Patent Application
20150273714
Conventional trimmers may be configured to perform one or more trimming operations on bound books or magazines during a production run. For example, a trimmer may be configured to trim a margin from the edge of the magazine opposite the spine (i.e., perform a “face trim”), while a three-knife trimmer may be configured to perform both a face trim and one or more side trims on the magazine, whereby respective margins are trimmed from the top and bottom edges (i.e., the “head trim” and “foot trim,” respectively) of the magazine. During set-up for a production run using a conventional trimmer or a three-knife trimmer, the respective blades that perform the face trim, the head trim, and the foot trim on the magazines are manually adjusted to the desired size specifications of a particular production run of magazines. As a result, only a single size of magazines may be achieved during any particular uninterrupted production run utilizing the conventional trimmer or three-knife trimmer.
One exemplary embodiment provides an adjustable trimming assembly configured to receive printed media along a path in a downstream direction. The printed media includes a first dimension oriented perpendicular to the path and a second dimension oriented substantially perpendicular to the first dimension. The adjustable trimming assembly includes a trimming device adapted to trim a margin from the second dimension of the printed media. The adjustable trimming device further includes a conveyor adapted to receive the printed media along the path, with the conveyor positioned adjacent the trimming device. Further, the adjustable trimming device includes an actuator coupled to the conveyor and a controller operably coupled to the actuator to adjust the distance traveled by the printed media along the path before the margin is trimmed from the second dimension of the printed media.
Another exemplary embodiment provides a method of trimming printed media, comprising selecting printed media to be positioned on a conveyor based on predetermined delivery sequence data, positioning the printed media on the conveyor, receiving size data representative of at least one dimension of the printed media to be trimmed, and electronically controlling a trimmer based on the received size data to adjust a location at which the printed media is to be trimmed.
Another exemplary embodiment provides an adjustable trimming assembly configured to receive printed media along a path. The printed media comprises a first dimension, a first edge parallel to the direction the first dimension, and a second dimension substantially perpendicular to the first dimension. The adjustable trimming assembly comprises a stop configured to position the first edge of the printed media at a location along the path, a trimming device adapted to trim a margin from the second dimension of the printed media, an actuator coupled to one of the stop and the trimming device to adjust a distance between the stop and the trimming device in a direction substantially parallel with the path, and a controller operably coupled to the actuator for controlling adjustment of the distance between the stop and the trimming device.
Another exemplary embodiment provides an adjustable trimming assembly configured to receive printed media along a path in a downstream direction. The printed media comprises a first dimension oriented perpendicular to the path and a second dimension substantially perpendicular to the first dimension. The adjustable trimming assembly comprises a trimming device adapted to trim a margin from the second dimension of the printed media, a conveyor adapted to receive printed media along the path, the conveyor being positioned adjacent the trimming device, an actuator coupled to the conveyor, and a controller operably coupled to the actuator to adjust the distance traveled by the printed media along the path before the margin is trimmed from the second dimension of the printed media.
Another exemplary embodiment provides an adjustable trimming assembly comprising a conveyor adapted to transport printed media comprising a first dimension and a second dimension substantially perpendicular to the first dimension, the printed media lying flat along a path defined by the conveyor. The adjustable trimming assembly comprises a trimming device adapted to trim a margin from the first dimension of the printed media, an actuator coupled to the trimming device to adjust the trimming device along the first dimension of the printed media, and a controller operably coupled to the actuator for controlling adjustment of the trimming device.
Another exemplary embodiment provides a method of trimming printed media having a first dimension, a first edge parallel to the direction of the first dimension, and a second dimension substantially perpendicular to the first dimension. The method comprises conveying printed media along a path, positioning the first edge of a first piece of printed media adjacent a stop, trimming a first margin from the second dimension of the first piece of printed media with a trimming device, adjusting at least one of the stop and the trimming device in a direction substantially parallel with the path to change the spacing between the stop and the trimming device, positioning the first edge of a second piece of printed media adjacent the stop after adjustment, and trimming a second margin from the second dimension of the second piece of printed media with the trimming device after adjustment.
Another exemplary embodiment provides a method of trimming printed media having a first dimension, a first edge parallel to the direction of the first dimension, and a second dimension substantially perpendicular to the first dimension. The method comprises conveying printed media, lying flat, along a path, positioning a first edge of the first piece of printed media along the path a first distance from a trimming device, trimming a first margin from the second dimension of the first piece of printed media with the trimming device, positioning the first edge of a second piece of printed media along the path a second distance from the trimming device, and trimming a second margin from the second dimension of the second piece of printed media with the trimming device after the first edge of the second piece of printed media is positioned the second distance from the trimming device. Optionally, the method further comprises detecting the first piece of printed media, and detecting the second piece of printed media after the first piece of printed media is trimmed. Optionally, the method further comprises positioning the first and second pieces of printed material relative to the trimming device according to predetermined delivery sequence data. Optionally, the method further comprises receiving printed media from a binding line, which does not stop during the trimming operation, while the printed media is being trimmed. Optionally, the method further comprises receiving untrimmed printed media from a binding line at an operational speed of at least about 150 pieces of printed media per minute.
Another exemplary embodiment provides a method of trimming printed media comprising a first dimension and a second dimension substantially perpendicular to the first dimension. The method comprises providing untrimmed printed media to a trimmer at an operational speed of at least about 150 pieces of printed media per minute, trimming a first margin from the second dimension from a first piece of printed media, trimming a second margin from the second dimension from a second piece of printed media, and adjusting the trimmer, while operating at the operational speed, between trimming the first and second pieces of printed media to provide a trimmed length, along the second dimension, of the second piece of printed media different than the trimmed length, along the second dimension, of the first piece of printed media.
Another exemplary embodiment provides a method of trimming printed media comprising detecting information representative of finished trim size from a piece of printed media, transferring the finished trim size information to a trimmer, and trimming the piece of printed media according to the finished trim size information. Optionally, the method may comprise detecting the information by a sensor that detects the size of the untrimmed printed media. Optionally, the method may comprise detecting the information by sensing a machine-readable indicia on the printed media.
Another exemplary embodiment provides a system for variable trimming printed media comprising a conveyor adapted to transport printed media along a path. The printed media comprises a first dimension and a second dimension substantially perpendicular to the first dimension. The system also comprises a stop against which the printed media abuts, a trimming device adapted to trim a margin from the second dimension of the printed media, an actuator coupled to one of the stop and the trimming device to adjust a distance between the stop and the trimming device in a direction substantially parallel with the path, a controller operably coupled to the actuator for controlling adjustment of the distance between the stop and the trimming device, and a saddle stitching line providing printed media to the conveyor.
Another exemplary embodiment provides a system for variable trimming printed media comprising an adjustable trimming assembly configured to receive printed media along a path. The printed media comprises a first dimension oriented perpendicular to the path and a second dimension substantially perpendicular to the first dimension. The adjustable trimming assembly comprises a trimming device adapted to trim a margin from the second dimension of the printed media, a conveyor adapted to receive printed media along the path, the conveyor being positioned adjacent the trimming device, an actuator coupled to the conveyor, a controller operably coupled to the actuator to adjust the distance traveled by the printed media along the path before the margin is trimmed from the second dimension of the printed media, and a saddle stitching line providing printed media to the adjustable trimming assembly.
Another exemplary embodiment provides a method of trimming printed media, having a first dimension, a first edge parallel to the direction of the first dimension, and a second dimension substantially perpendicular to the first dimension. The method includes selecting printed media to be positioned on a conveyor based on predetermined delivery sequence data, positioning the printed media along a path on the conveyor, abutting the printed media with a stop to position the first edge of the printed media at a location along the path, receiving size data representative of the second dimension of the printed media to be trimmed, and electronically controlling at least one of the stop and a trimming device to adjust a distance between the stop and the trimming device, in a direction substantially parallel with the path, based on the received size data to adjust a location along the second dimension at which the printed media is to be trimmed.
Other features and aspects of the exemplary embodiments will become apparent by consideration of the following detailed description and accompanying drawings.
a is schematic top view of a portion of a trimmer incorporating a first construction of an adjustable trimming assembly, according to an exemplary embodiment.
b is a schematic top view of a portion of the trimmer and adjustable trimming assembly of
a is a schematic top view of a portion of a trimmer incorporating a second construction of the adjustable trimming assembly, according to an exemplary embodiment.
b is a schematic top view of a portion of the trimmer and adjustable trimming assembly of
a is a schematic top view of a portion of a trimmer incorporating a third construction of the adjustable trimming assembly, according to an exemplary embodiment.
b is a schematic top view of a portion of the trimmer and adjustable trimming assembly of
c is a schematic top view of a portion of a trimmer incorporating a fourth construction of the adjustable trimming assembly, according to an exemplary embodiment.
d is a schematic top view of a portion of the trimmer and adjustable trimming assembly of
Before any embodiments are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms “mounted,” “connected,” “supported,” and “coupled” and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Further, “connected” and “coupled” are not restricted to physical or mechanical connections or couplings.
a and 1b schematically illustrate a portion of a trimmer 10 comprising an input conveyor 14, and output conveyor 18, and an intermediate conveyor 22, the combination of which defines a path (indicated by arrow A) along which printed media 26 is conveyed. The printed media or printed products 26 illustrated herein are generally rectangularly-shaped, defining a major dimension or a first dimension along the length or height of the printed products 26, and a minor dimension or a second dimension, substantially transverse to the direction of the major dimension, along the width of the printed products 26. Also, as shown in
When the printed products 26 are assembled by conventional binding processes (e.g., saddle-stitch or perfect-binding processes), the leading edge 30 of the printed products 26 is often referred to as the spine of the assembled product 26. It should be noted that the various embodiments may be used in conjunction with saddle stitch, perfect binding, and other binding methods. Printed media or printed products 26, as used herein, may comprise a signature, an envelope, a single sheet, a bound book such as a magazine, a catalog, a book, a direct mail piece, and the like, newspapers, labels, flyers, brochures, directories, advertisements, or any other printed media. In alternative embodiments, the teachings herein may be applied to other products which are not printed media.
With continued reference to
Although schematically illustrated herein, the structure of the stops 50 and the blade 54 may be similar to that found in a conventional trimmer. Also, it should be noted that the schematic illustration of the input conveyor 14, output conveyor 18, and intermediate conveyor 22 in
The adjustable trimming assembly 46 can further comprise, in one embodiment, an actuator 62 coupled to each of the respective stops 50 to adjust the distance between the stops 50 and the blade 54, and a motion controller 66 operably coupled to the actuators 62 to control the adjustment of the distance between the stops 50 and the blade 54, or “controllably adjust,” or “selectively control” the distance between the stops 50 and the blade 54. As shown in
Controller 66 may comprise analog and/or digital electrical components, comprising one ore more microprocessors, microcontrollers, application-specific integrated circuits, input/output circuitry, signal processing circuits and software, user interface circuitry for receiving inputs from a user and providing outputs to a user (e.g., audible and/or visual), etc. Controller 66 is configured to operate according to software or an algorithm programmed on a computer-readable medium configured to carry out one or more of the functions described herein.
The adjustable trimming assembly 46 may be configured to interface with a higher level controller 67 (see
During operation of the trimmer 10 incorporating one embodiment of the adjustable trimming assembly 46, a first untrimmed printed product 26a is conveyed to a location on the intermediate conveyor 22 in which the leading edge 30 of the product 26a abuts the stops 50. Before the leading edge 30 of the untrimmed printed product 26a abuts the stops 50, the finishing control system 67 associates the incoming untrimmed printed product 26a with a particular size specification or custom trim size, and outputs a signal to the controller 66 which, in turn, triggers the actuators 62 to adjust the distance between the stops 50 and the blade 54 according to that particular custom trim size. In this manner, the controller 66 prompts the actuators 62 to move the stops 50 (either backwards or forwards along the path) to a first distance D1 from the stationary blade 54 to yield the custom trim size (see
The same process is repeated for the subsequent printed product 26b on the input conveyor 14. In one instance, the product 26b may have a specified width greater than the width of the preceding product 26a. To accommodate this custom trim size, the controller 66 prompts the actuators 62 to move the stops 50 (again, either backwards or forwards along the path) to a second distance D2 from the stationary blade 54 before the leading edge 30 of the product 26b abuts the stops 50 (see
With reference to
a and 2b are similar to
With reference to
The trimmer 78 may be configured as a three-knife trimmer, only a portion of which is shown, which includes a first knife or blade (not shown) for making face trims on printed products 90, a second knife or blade 94 for making head trims on printed products 90, and a third knife or blade 98 for making foot trims on printed products 90. Three-knife trimmers are typically configured to perform the face trims before the head and the foot trims, which are typically performed at the same time; however, the three-knife trimmer may be configured to perform the head and foot trims before the face trim or simultaneously with the face trim. It should be noted that the schematic illustration of the trimmer 78 in
With continued reference to
During operation of the trimmer 78 incorporating the adjustable trimming assembly 74, a first untrimmed printed product 90a is conveyed to a location between the blades 94, 98. Before the untrimmed printed product 90a comes into position between the blades 94, 98, the higher level controller 67 associates the incoming untrimmed printed product 90b with a particular size specification or custom trim size, and outputs a signal to the controller 106 which, in turn, triggers the actuators 102 to adjust the distance between the blades 94, 98 according to that particular custom trim size. In this manner, the controller 106 prompts the actuators 102 to move the blades 94, 98 (either inwards or outwards, in a direction substantially transverse to the path) to a first distance D3 to yield the custom trim size (see
With reference to
With reference to
With continued reference to
The adjustable trimming assembly 300 also includes a side-jogging device or a tamping device 312 configured to bias the bottom edge 42 of the printed products 308 against a guide surface 316 that extends in a direction substantially parallel with the path (see
The tamping device 312 includes another guide surface 320 extending in a direction substantially parallel with the path, in facing relationship with the guide surface 316. An actuator 324 is coupled to the guide surface 320 to adjust the distance between the guide surface 320 with respect to the guide surface 316 along the first dimension of the printed products 308, or in a direction substantially transverse to the path. The actuator 324, like the actuator 102, is operably coupled to the controller 106. As shown in
During operation of the trimmer 304 incorporating the adjustable trimming assembly 300, a first untrimmed printed product 308a is conveyed to a location between the blade 94 and the guide surface 316. Before the untrimmed printed product 308a comes into position between the blade 94 and guide surface 316, the higher level controller 67 associates the incoming untrimmed printed product 308a with a particular size specification or custom trim size, and outputs a signal to the controller 106 which, in turn, triggers the actuator 102 to adjust the distance between the blade 94 and the guide surface 316, according to that particular custom trim size. In this manner, the controller 106 prompts the actuator 102 to move the blade 94 (either inwards or outwards, in a direction substantially transverse to the path) to a first distance D9 to yield the custom trim size (see
While the blade 94 is being adjusted with respect to the guide surface 316 in anticipation of trimming the printed product 308a, or while the printed product 308a is being trimmed, the controller 106 may prompt the actuator 324 to move the guide surface 320 to push the subsequent product 308b toward the guide surface 316 and bias the bottom edge 42 of the printed product 308b against the guide surface 316. The same trimming process described above for the printed product 308a may then be repeated for the subsequent printed product 308b, with the controller 106 prompting the actuator 102 to move the blade 94 to a second distance D10 to yield a different custom trim size for the printed product 308b (see
Features of the embodiments in
With reference to
With reference to
With reference to
With reference to
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With reference to
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With reference to
With continued reference to
During operation of the trimmer incorporating the adjustable trimming assembly 182, a first untrimmed printed product 26a is conveyed from the input conveyor 190, beneath the blade 198, and to the output conveyor 194 (see
The adjustable trimming assembly 182 is configured to provide a book-to-book trim variability of about 25 mm. In other words, the maximum difference in custom trim sizes that the assembly 182 is configured to accommodate, from one printed product to another, is 25 mm. An adjustment spanning the entire range of variability (i.e., 25 mm) by the adjustable trimming assembly 182 may take about 20 ms, and such variability may be accomplished at an operational speed of the adjustable trimming assembly 182 of about 340 books or printed products per minute. Alternatively, the assembly 182 may be configured to provide a book-to-book trim variability more (e.g., about 40 mm) or less (e.g., about 20 mm) than about 25 mm. If configured to provide a book-to-book trim variability more than about 25 mm, the adjustable trimming assembly 182 may require more time to make such an adjustment between consecutive printed products 26. However, if configured to provide a book-to-book trim variability less than about 25 mm, the adjustable trimming assembly 182 may function at higher operational speeds (e.g., up to 700 books or printed products per minute).
When the leading edge 30 of the first untrimmed printed product 26a is positioned the distance D5 from the line-of-sight of the sensor 210, the controller 206 signals the actuator 202 to stop the output conveyor 194 to allow the blade 198 to trim the margin 58 from the minor dimension of the printed product 26a according to the particular desired custom trim size. After the margin 58 is trimmed from the minor dimension of the printed product 26a, the controller 206 signals the actuator 202 to resume driving the output conveyor 194 to carry away the now trimmed product 26a.
The same process is repeated for the subsequent printed product 26b on the input conveyor 190. In one instance, the product 26b might have a specified width greater than the width of the preceding product 26a (see
In other embodiments of the adjustable trimming assembly 182, another sensor 212 may be positioned upstream of the blade 198 to detect the leading edge 30 of the printed products 26 on the input conveyor 190. Like the sensor 210, the sensor 212 may be operably coupled to the controller 206. The sensor 212, optionally in combination with a master encoder 213 (see
In other embodiments, an encoder could be used in addition to the sensor 210 to reference components of the trimmer other than the leading edge 30 of the printed products 26. For example, the sensor 210 could sense pusher lugs, infeed chains, and timing positions of the trimmer.
With reference to
With continued reference to
During operation of the trimmer incorporating the adjustable trimming assembly 400, a first untrimmed printed product 26a is conveyed from the input conveyor 404 to the intermediate conveyor 432, which provides a “coarse” adjustment of the custom trim size for each printed product 26. The feed rate of printed products 26 from the input conveyor 404 to the intermediate conveyor 432 is configured to operate at a synchronous 1:1 position with a master encoder 444 (see
As previously mentioned, the intermediate conveyor 432 is operable to provide a coarse adjustment of the custom trim size for each printed product 26. The largest-width printed product 26 in a particular production or binding run is passed through the intermediate conveyor 432, without slowing or adjusting the position or phasing of the printed product 26 relative to the input conveyor 404. The intermediate conveyor 432 is also configured to operate at a synchronous 1:1 position with the master encoder 444. Such a “base” motion may be achieved utilizing a gearing arrangement or a continuously-running cam (not shown). However, printed products 26 having a width less than that of the largest-width printed product 26 in the production or binding run may have an index or cam cycle layered on the base motion to slow or adjust the position or phasing of the printed product 26 relative to the input conveyor 404. Before a particular printed product 26 is transferred to the intermediate conveyor 432, the distance or amount of the layered motion associated with that particular printed product 26 is transferred from the higher level controller 67 (see
From the intermediate conveyor 432, the printed product 26 to be trimmed passes beneath a blade 452, and is transferred to the output conveyor 408 (see
The adjustable trimming assembly 400 is configured to provide a book-to-book trim variability of about 25 mm. In other words, the maximum difference in custom trim sizes that the assembly 400 is configured to accommodate, from one printed product to another, is 25 mm. An adjustment spanning the entire range of variability (i.e., 25 mm) by the adjustable trimming assembly 400 may take about 20 ms, and such variability may be accomplished at an operational speed of the adjustable trimming assembly 400 of about 340 books or printed products per minute. Alternatively, the assembly 400 may be configured to provide a book-to-book trim variability more (e.g., about 40 mm) or less (e.g., about 20 mm) than about 25 mm. If configured to provide a book-to-book trim variability more than about 25 mm, the adjustable trimming assembly 400 may require more time to make such an adjustment between consecutive printed products 26. However, if configured to provide a book-to-book trim variability less than about 25 mm, the adjustable trimming assembly 400 may function at higher operational speeds (e.g., up to 700 books or printed products per minute).
After the margin 58 is trimmed from the minor dimension of the printed product 26a, the controller 428 signals the actuator 424 to resume driving the output conveyor 408 to transfer the now trimmed product 26a to a location corresponding with a head and foot trim assembly 460 (similar to the adjustable trimming assembly 74 schematically illustrated in
The same process is repeated for the subsequent printed product 26b on the input conveyor 404. In one instance, the product 26b might have a specified width greater than the width of the preceding product 26a (see
This process may be repeated for all of the printed products 26 in a particular production run, thereby allowing each printed product 26 trimmed during the production run to receive a custom trim size. As discussed above, conventional trimmers may only be manually adjusted between production runs, such that differently-sized printed products may only be made during separate production runs. The adjustable trimming assembly 400 allows “on the fly” adjustment of the trim size of the printed products 26 during the same production run.
In addition to the functionality of the higher level controller 67, the actuator 424, the controller 428, and the output conveyor 408 described above, the adjustable trimming assembly 400 may include dual sensors 426, spaced along the length of the leading edge 30 of the untrimmed printed products 26, to detect the leading edge 30 of the untrimmed printed products 26 near the head and the foot of each printed product 26 to determine the skew of the printed product 26 on the conveyor 408. Using this “skew” data, the higher level controller 67 may determine whether the printed product 26 should be accepted or rejected. The skew value is calculated as the difference in position from the head to the foot of the printed product 26 as the printed product 26 is detected by the sensors 426. The current skew value is compared to a tolerance setting to determine whether the product 26 should be accepted or rejected. A bit corresponding with the acceptance or rejection of the product 26 is transmitted to an existing higher-level controller (e.g., controller 464; see
The adjustable trimming assembly 400 may also determine skew tendency of the printed products 26. In one embodiment, skew tendency may be determined by taking a rolling average of the printed products 26 entering the assembly 400. The value can be calculated in the controller 464 from a value transmitted from the controller 428. Alternatively, the skew tendency may be determined by other methods known in the art.
The adjustable trimming assembly 400 may also determine a correction amount of the printed products 26. The correction amount, also referred to position deviation, is the calculated correction amount needed to be applied to a particular printed product 26 for proper face-cut trimming. As the leading edge 30 of each of the printed products 26 passes the dual sensors 426, the measurements of the sensors 426 are averaged, and a value is calculated reflecting the difference between the actual position of the printed product 26 and the desired position of the product 26. The correction amount can be compared to a tolerance setting to determine whether a correction should or should not be supplied. The correction amount value can also be transmitted to the controller 464 for data collection.
The adjustable trimming assembly 400 may also determine a correction tendency of the printed products. In one embodiment, correction tendency may be determined by taking a rolling average of the printed products entering the assembly 400. This value can be calculated in the controller 464 from a value transmitted from the controller 428. Alternatively, the correction tendency may be determined by other methods known in the art.
The adjustable trimming assembly 400 may also determine the measured or actual length of the leading edge 30 of each of the printed products 26. As the leading edge 30 or spine of the printed product 26 passes the sensors 426, the sensors record two length values, averages them, and stores the averaged value as the lead-sensor position. After a trimmed product 26 is moved away from the face knife or blade 452, the trailing edge 34 of the product 452 passes the sensors 426. The two values are averaged, and the average value is stored as the trail-sensor position. The difference between the trail and lead sensor positions is the measured or actual length. This value is transmitted to the controller 464 for data collection.
The adjustable trimming assembly 400 may also determine a measured length tendency of the printed products 26. In one embodiment, measured length tendency may be determined by taking a rolling average of the printed products 26 entering the assembly 400. This value can be calculated in the controller 464 from a value transmitted from the controller 428. Alternatively, the measured length tendency may be determined by other methods known in the art.
The adjustable trimming assembly 400 may also determine a product width deviation of the printed products 26. The product width deviation is the calculated difference between the measured length and the desired product length. This value can be compared to a tolerance setting to determine whether the product 26 is acceptable or should be rejected. This value also can be transmitted to the controller 464 for data collection.
The adjustable trimming assembly 400 may also determine a product width deviation tendency. In one embodiment, width deviation tendency may be determined by taking a rolling average of the printed products 26 entering the assembly 400. This value can be calculated in the controller 464 from a value transmitted from the controller 428. Alternatively, the product width deviation tendency may be determined by other methods known in the art.
The adjustable trimming assembly 400 may also be capable of allowing an operator to enable or disable trim correction on the fly as the assembly 400 is running.
The adjustable trimming assembly 400 may also be operable such that the book-to-book stopping motion of the output conveyor 408 converts to continuous motion after any number of empty chain slots. The output conveyor 408 may revert to book-to-book stopping when the next book or printed product is detected by the sensors 426, or when it is known (e.g., by the higher level controller 67) that a book or printed product is positioned in a particular chain slot.
The adjustable trimming assembly 400 may also be capable of allowing an operator to modify the entered product size and the tolerance settings on the fly using an operator interface during production.
With reference to
The adjustable trimming assembly 214 of
With reference to
As shown in
During operation of the trimmer incorporating the adjustable trimming assembly 214, a first untrimmed printed product 26a is pushed from the input conveyor 222 by a pusher 278 such that the leading edge 30 of the product 26a abuts the stops 246. Before the leading edge 30 of the untrimmed printed product 26a abuts the stops 246, the higher level controller 67 associates the incoming untrimmed printed product 26a with a particular custom trim size, and outputs a signal to the controller 234 which, in turn, triggers the second actuator 258 to adjust the distance between the stops 246 and the blade 226 according to that particular custom trim size. In this manner, the controller 234 prompts the second actuator 258 to move the stops 246 (either backwards or forwards along the path) to a first distance D7 from the blade 226 to yield the custom trim size (see
The adjustable trimming assembly 214 is configured to provide a book-to-book trim variability of about 25 mm. In other words, the maximum difference in custom trim sizes that the assembly 214 is configured to accommodate, from one printed product to another, is 25 mm. An adjustment spanning the entire range of variability (i.e., 25 mm) by the adjustable trimming assembly 214 may take about 20 ms, and such variability may be accomplished at an operational speed of the adjustable trimming assembly 214 of about 340 books or printed products per minute. Alternatively, the assembly 214 may be configured to provide a book-to-book trim variability more (e.g., about 40 mm) or less (e.g., about 20 mm) than about 25 mm. If configured to provide a book-to-book trim variability more than about 25 mm, the adjustable trimming assembly 214 may require more time to make such an adjustment between consecutive printed products 26. However, if configured to provide a book-to-book trim variability less than about 25 mm, the adjustable trimming assembly 214 may function at higher operational speeds (e.g., up to 700 books or printed products per minute).
Although not shown in
As described above, the process for trimming the margin 58 from the product 26a occurs while the blade housing 238, the stops 246, the retractable clamp, and the product 26a move in unison as they reciprocate in the direction of arrow C. After the product 26a is trimmed (e.g., as in
The same process is repeated for the subsequent printed product 26b on the input conveyor 222. In one instance, the product 26b might have a specified width greater than the width of the preceding product 26a. To accommodate this custom trim size, the controller 234 prompts the actuator 250 to move the stops 246 (again, either backwards or forwards along the path) to a second distance D8 from the blade 226 before the leading edge 30 of the product 26b abuts the stops 246 (see
In other embodiments, the adjustable stop assembly 230 may be coupled with the blade housing 238 such that the adjustable stop assembly 230 moves with the blade housing 238 and is adjustable to vary the distance between the blade 226 and the stops 246 utilizing any of the actuators 62 shown in
With reference to
Like the assembly 214 of
With reference to
During operation of the trimmer incorporating the adjustable trimming assembly 500, a first untrimmed printed product 26a is pushed from the input conveyor 504 by a pusher 544 such that the leading edge 30 of the product 26a abuts the stops 526. Before the leading edge 30 of the untrimmed printed product 26a abuts the stops 526, the higher level controller 67 associates the incoming untrimmed printed product 26a with a particular custom trim size, and outputs a signal to the controller 516 which, in turn, triggers the actuator 528 to adjust the distance between the stops 526 and the blade 508 according to that particular custom trim size. In this manner, the controller 516 prompts the actuator 528 to move the stops 526 (either backwards or forwards along the path) to a first distance D7 from the blade 508 to yield the custom trim size (see
The adjustable trimming assembly 500 is configured to provide a book-to-book trim variability of about 25 mm. In other words, the maximum difference in custom trim sizes that the assembly 500 is configured to accommodate, from one printed product to another, is 25 mm. An adjustment spanning the entire range of variability (i.e., 25 mm) by the adjustable trimming assembly 500 may take about 20 ms, and such variability may be accomplished at an operational speed of the adjustable trimming assembly 500 of about 340 books or printed products per minute. Alternatively, the assembly 500 may be configured to provide a book-to-book trim variability more (e.g., about 40 mm) or less (e.g., about 20 mm) than about 25 mm. If configured to provide a book-to-book trim variability more than about 25 mm, the adjustable trimming assembly 500 may require more time to make such an adjustment between consecutive printed products 26. However, if configured to provide a book-to-book trim variability less than about 25 mm, the adjustable trimming assembly 500 may function at higher operational speeds (e.g., up to 700 books or printed products per minute).
Although not shown in
As described above, the process for trimming the margin 58 from the product 26a occurs while the blade housing 520, the retractable clamp, and the product 26a move in unison as they reciprocate in the direction of arrow E. After the product 26a is trimmed (e.g., as in
The same process is repeated for the subsequent printed product 26b on the input conveyor 504. In one instance, the product 26b might have a specified width greater than the width of the preceding product 26a. To accommodate this custom trim size, the controller 516 prompts the actuator 528 to move the stops 526 (again, either backwards or forwards along the path) to a second distance D8 from the blade 508 before the leading edge 30 of the product 26b abuts the stops 526 (see
The adjustable trimming assemblies 46, 74, 214, 500 of
Likewise, the adjustable trimming assembly 182 of
The adjustable trimming assembly 400 of
Any of the trimmers incorporating the adjustable trimming assemblies 46, 74, 300, 182, 214, 400, 500 illustrated in
Referring now to
According to one exemplary embodiment, system 300 is configured to trim a plurality of printed media of different sizes, which can be part of a co-mailing method or other method to bundle printed media to improve postage expense. Co-mailing may collate different printed media titles into a single mailstream to achieve finer presort levels and to build pallets of printed media that qualify for deeper delivery into the postal system based on postal class (e.g., which may range from carrier route rate to 5 digit zip code rate to 3 digit zip code rate, or other ranges of geographical or postal rate distinctions). The result may be lower per-piece postage rates. Co-mailing may comprise multi-mailing (e.g., collating a plurality of different titles or versions of printed media from a one or more publishers for shipping to a postal or delivery service), blended mailing (e.g., collating a plurality of different titles or versions of printed media from one or more publishers for shipping to a postal or delivery service), multi-wrap (e.g., collating a plurality of different titles or versions of printed media from one or more publishers, collating various enclosures, including onserts, bound and unbound printed media, on one or more of the various titles or versions of printed media, and wrapping the titles or versions, together with the various enclosures where applicable, for shipping to a postal or delivery service), multi-binding (e.g., binding in-line a plurality of different titles or versions of printed media from one or more publishers for shipping to a postal or delivery service), or other printed media collating methods and/or co-mailing methods. In a illustrative embodiment, at least two differently sized printed media may be assembled and/or bound on the same line. This can be done without having to manually adjust the trimmer, or remove the printed media from the line before trimming, or stop the assembly of the printed media.
Referring again to
Controller 318 may be configured to select the order or sequence based on the postal class data of each database entry.
Controller 318 may be configured to control adjustable trimming device 310 to trim or cut the printed media at any of a plurality of adjustable locations, as described in the exemplary embodiments herein. Controller 318 electronically controls trimming device 310 by receiving size data representative of at least one dimension of the printed media to be trimmed and sending control signals over a wired or wireless communication wire, bus or network to device 310 to control at least one actuator on device 310. Device 310 may have a dedicated controller configured to communicate with controller 318, or controller 318 may directly control the actuators. Controller 318 may be configured to control trimming device 310 to locate and/or adjust one, two, three or more blades or knives based on the size data, which may be controlled to cut serially or simultaneously.
Controller 318 may receive the size data in any of a plurality of methods. For example, controller 318 may communicate via a wired or wireless communication link with sensor 320. Sensor 320 may be configured to scan or sense information 320, for example code or other readable indicia, tags, electronic or magnetic devices, resonators, etc., that are printed on, applied to, or made a part of at least one of the printed media on conveyor 308. Sensor 320 may transmit the information to controller 318. Controller 318 may then generate or determine the size data based on the information, or based on a look-up table (e.g., the mailing list data or other table of data) stored in memory 322. Alternatively, controller 318 may be configured to generate the size data based on the order or sequence stored in memory 322, and a preprogrammed known distance or time between controller 318 causing the release of the printed media from sources 302, 304, or 306 and arrival of the printed media at trimming device 310. Another alternative embodiment is to have the sensor transmit the size information directly to the trimmer, which will then trim the printed media to size. Other method of controller 318 receiving or generating size data to use to control trimming device 310 are contemplated.
Referring now to
Referring now to
According to one exemplary embodiment, controller 318 may be configured based on arranged data stored in memory 322 to assemble, select, or provide at least two printed media of different size in a predetermined order (e.g., demographic, regional, zip code, etc.) and to control trimming device 310 to trim each of the printed media to its proper size.
According to another exemplary embodiment, a method comprises creating a single mailstream of at least two differently sized pieces of printed media, and, optionally, for delivery in a predetermined order, by (a) combining mailing lists for each of at least two differently sized printed media, (b) adding size data to the mail lists, either before or after combination of the at least two different mailing lists, (c) assembling the printed media, and optionally, assembling the printed media in a predetermined order (e.g., geographic, postal, demographic, book, etc.), (d) conveying to an adjustable trimmer the size data about each printed media, (e) selectively adjusting the trimmer based upon the size data received, and (f) optionally, bundling the printed media in the predetermined order. For example, coded data may be used to assemble the at least two different sized books of a different title, version, or postal class on a finishing line in a zip-code order (e.g., 1 8×11, 1 9×11, 4 8×11, 3 9×11) and the controller may be configured to track each printed media and convey the code to the trimmer so the trimmer automatically adjusts to cut the printed media to the proper size.
Other processing devices 312 may comprise wrappers (e.g., paper, poly, etc.), wrapped product feeders, envelope feeders, accumulators, buffers, mail tables, shuttle hoppers, ink jet or printing machines (which may be configured for personalized printing based on a database of personalized data), etc., configured to apply further processes to printed media. Other devices 312 may be disposed anywhere within system 300, before or after trimming device 310, and may further include stitchers, binders, etc. Thus, system 300 may be integrated with one or more components disclosed in U.S. Pat. Nos. 6,167,326, 6,347,260, 7,096,088, 7,102,095, and/or U.S. Patent Application No. 2006/0071407, all of which are incorporated by reference herein. Stacker 316 may be configured to stack finished printed media for placement on pallets for shipping.
According to one exemplary embodiment, a method of trimming printed media having a first dimension, a first edge parallel to the direction of the first dimension, and a second dimension substantially perpendicular to the first dimension comprises: conveying printed media along a path; abutting the first edge of a first piece of printed media against a stop; trimming a first margin from the second dimension of the first piece of printed media with a blade defining a first distance between the stop and the blade; adjusting one of the stop and the blade in a direction substantially parallel with the path to define a second distance between the stop and the blade after adjustment; abutting the first edge of a second piece of printed media against the stop after adjustment; and trimming a second margin from the second dimension of the second piece of printed media with the blade after adjustment. The method may further comprise: (1) adjusting the stop in a direction substantially parallel with the path when adjusting one of the stop and the blade; and/or (2) displacing the stop from the path of the printed media before abutting the first edge of the second piece of printed media against the stop; and/or (3) conveying the printed media, lying flat, along the path when conveying the printed media; and/or (4) controllably adjusting the one of the stop and the blade when adjusting one of the stop and the blade; and/or (5) measuring the second dimension of the first piece of printed media after the first margin is trimmed from the second dimension of the first piece of printed media.
According to another exemplary embodiment, a method of trimming printed media having a first dimension and a second dimension substantially perpendicular to the first dimension comprises conveying printed media, optionally lying flat, along a path; trimming a margin from the first dimension of the printed media with a blade; and adjusting the blade along the first dimension of the printed media. The method may further comprise: (1) trimming a first margin from the first dimension of the printed media with a first blade when trimming a margin from the first dimension of the printed media with a blade, and/or (2) wherein the method further comprises trimming a second margin from the first dimension of the printed media with a second blade, and/or (3) adjusting the distance between the second blade and the first blade along the first dimension of the printed media when adjusting the blade; and/or (4) controllably adjusting the distance between the second blade and the first blade along the first dimension of the printed media when adjusting the distance between the second blade and the first blade; and/or (5) biasing an edge of the printed media opposite an edge from which the margin was trimmed against a guide surface.
According to another exemplary embodiment, an adjustable trimming assembly comprises a conveyor adapted to transport printed media, optionally lying flat, along a path, the printed media having a first dimension, a first edge parallel to the direction of the first dimension, and a second dimension substantially perpendicular to the first dimension; a stop movable to abut the first edge of the printed media moving along the path; a blade adapted to trim a margin from one of the first and second dimensions of the printed media; an actuator coupled to one of the blade and the stop to adjust the distance between the blade and the stop in at least one of a first direction substantially parallel with the first dimension of the printed media, and a second direction substantially parallel with the second dimension of the printed media; and a controller operably coupled to the actuator for controlling adjustment of the distance between the blade and the stop. The assembly may further comprise: (1) the blade is adapted to trim the margin from the second dimension of the printed media, and/or (2) the actuator is coupled to the stop to adjust the distance between the stop and the blade in the second direction, the second direction being substantially parallel with the path; and/or (3) the stop is movable between a first position to abut the first edge of the printed media moving along the path, and a second position displaced from the path of the printed media; and/or (4) the actuator includes a rack coupled to the stop, a pinion configured to drivably engage the rack, and a motor operably coupled to the pinion to drive the pinion; and/or (5) the actuator further comprises a shaft coupling the motor and the pinion; and/or (6) the shaft comprises a flexible shaft; and/or (7) the actuator includes a linear motor operably coupled to the stop to adjust the stop; and/or (8) the actuator comprises a cylinder having an extensible rod, and wherein the cylinder is operably coupled to the stop to adjust the stop; and/or (8) the cylinder comprises a pneumatic cylinder; and/or (9) the actuator includes at least two pulleys, a belt having the stop coupled thereto, the belt extending between the at least two pulleys, and a motor operably coupled to one of the at least two pulleys to drive the one of the at least two pulleys; and/or (10) the actuator further comprises a shaft coupling the motor and the one of the at least two pulleys, wherein the shaft may comprises a flexible shaft; and/or (11) the blade is adapted to trim the margin from the first dimension of the printed media, and wherein the actuator is coupled to the blade to adjust the distance between the stop and the blade in the first direction, the first direction being substantially transverse to the path; and/or (12) the actuator comprises a linear motor operably coupled to the blade to adjust the blade.
According to another exemplary embodiment, an adjustable trimming assembly comprises a first conveyor adapted to transport printed media along a path in a downstream direction, the printed media having a first dimension oriented perpendicular to the path and a second dimension substantially perpendicular to the first dimension; a blade adapted to cut a margin from the second dimension of the printed media, the blade positioned downstream of the first conveyor; a second conveyor adapted to receive printed media from the first conveyor along the path, the second conveyor positioned downstream of the blade; an actuator coupled to the second conveyor; and a controller operably coupled to the actuator to adjust the distance traveled by the printed media along the path before the margin is cut from the second dimension of the printed media. The adjustable trimming assembly may further comprise: (1) the printed media has a first edge parallel to the direction of the first dimension, and wherein the adjustable trimming assembly further comprises a sensor configured to detect the first edge of the printed media before the blade cuts the margin from the second dimension of the printed media; and/or (2) the sensor is operably coupled to the controller; and/or (3) the actuator comprises a servo motor.
According to another exemplary embodiment, a method of trimming printed media having a first dimension, a first edge parallel to the direction of the first dimension, and a second dimension substantially perpendicular to the first dimension comprises conveying printed media along a path; detecting the first edge of a first piece of printed media; positioning the first edge of the first piece of printed media along the path a first distance from a blade; trimming a first margin from the second dimension of the first piece of printed media with the blade; detecting the first edge of a second piece of printed media after the first piece of printed media is trimmed; positioning the first edge of the second piece of printed media along the path a second distance from the blade after detecting the first edge of the second piece of printed media; and trimming a second margin from the second dimension of the second piece of printed media with the blade after the first edge of the second piece of printed media is positioned the second distance from the blade. The method may further comprise: (1) conveying the printed media, lying flat, along the path when conveying the printed media.
According to another exemplary embodiment, products having different trim sizes can be generated and conveyed in a single “in-line” process and ultimately be co-mailed together. For example, co-mailing can be achieved without having to blend in pre-finished books of a different size after trimming. This can be done without having to stop or manually adjust the trimmer between products of different size or diverting one or more streams to a different trimmer.
According to another exemplary embodiment, the sequence for trimming at least two products of different size with same trimmer can be pre-determined and, in some examples, the pre-determined order can be based upon demographic, geographic, postal, or book information. This order can be determined by the system as the product is delivered to the trimmer.
According to another exemplary embodiment, the system can identify by some information (e.g., identifier, taggent, code, etc.) that can be read visually, electronically, or by any other means, what size a piece should be (in an in-line setting) and convey that information to the trimmer which adjusts to trim the piece to its coded size. For example, using an “eye” to read a code on the book that tells the trimmer the location of the book and what size to cut the book. Another option is to use a vision system that can tell what size the product is supposed to be.
According to another exemplary embodiment, a method for arranging data comprises assembling at least two printed products of different size in a pre-determined order (e.g., based upon demographic, geographic, postal, or book information), including at least trim size in such data, and trimming each of the pieces to its proper size.
According to another exemplary embodiment, a method for creating a single mailstream of at least two differently sized pieces for delivery in a pre-determined order comprises (a) combining mail lists, (b) adding size information to the mail lists, (c) assembling the printed pieces in a pre-determined order (e.g., zip-code order), (d) conveying to a trimmer the size information about each produced book, (e) selectively adjusting the trimmer based upon the size information received, (f) bundling the printed pieces in the pre-determined order. For example, the coded information could be used to assemble the two different sized books of a different title or mailing class on the finishing line in a zip-code order (e.g., 1 8×11, 1 9×11, 4 8×11, 3 9×11), and the system would track each book and convey this information to the trimmer so the trimmer automatically adjusts to cut the book to the proper size.
According to another exemplary embodiment, a variable trimmer may be used in combination with a printing line. The printing line may feed printed materials directly into a binding process. For example, a digital printer or pre-printed roll or sheets may be used or configured to provide printed materials (e.g., sheets or signatures) to a binding line, such as a perfect binder or saddle stitcher. The printed materials optionally may be provided having a different trim size from one another. The variable trimmer may also be used in other lines where, for example, different titles are printed, assembled, and finished in the same line. In other words, variable trimming is accomplished directly off of the press lines.
According to another exemplary embodiment, multiple streams of different product may be trimmed by the same variable trimmer. In such an embodiment, a single trimmer may be configured and/or used to perform the variable trimming, without having to divert printed media of different trim size or thickness to a different trimmer. In such embodiments, the trimmer may accept a single stream of untrimmed printed materials (some of which may be of different sizes) and output a single stream of printed products having varying trim sizes. In yet another embodiment, the trimmer may accept multiple streams of untrimmed printed materials, each stream having a plurality of printed materials to be trimmed in the same or different trim sizes, and output a single merged stream of printed products having varying or custom trim sizes, or multiple streams of printed products, with each stream having a single trim size or a plurality of trim sizes.
According to another exemplary embodiment, variable trim can also be used in the packaging industry, the cardboard industry, the copier industry, the paperboard industry, and the paper manufacturing industry.
In another exemplary embodiment, catalog or other book size may be customized in-line based upon coded information.
The higher level controller 67 may interface with each of the components listed above in the binding line (e.g., a saddle-stitch binding line or a perfect-bound binding line) to adjust the components based upon the custom trim sizes of the printed products moving through the lines.
While the detailed drawings, specific examples and particular formulations given describe preferred and exemplary embodiments, they serve the purpose of illustration only. The embodiments disclosed are not limited to the specific forms shown. For example, the methods may be performed in any of a variety of sequence of steps. The hardware and software configurations shown and described may differ depending on the chosen performance characteristics and physical characteristics of the computing devices. For example, the type of computing device, communications bus, or processor used may differ. The systems and methods depicted and described are not limited to the precise details and conditions disclosed. Furthermore, other substitutions, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the invention as expressed in the appended claims.
This application is a continuation of co-pending U.S. patent application Ser. No. 12/831,480 filed on Jul. 7, 2010, which is a continuation of U.S. patent application Ser. No. 12/163,664 filed on Jun. 27, 2008, now U.S. Pat. No. 8,291,799, which claims priority to U.S. Provisional Patent Application No. 60/947,160 filed on Jun. 29, 2007, the entire contents of all of which are incorporated herein by reference.
| Number | Date | Country | |
|---|---|---|---|
| 60947160 | Jun 2007 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 12831480 | Jul 2010 | US |
| Child | 14739687 | US | |
| Parent | 12163664 | Jun 2008 | US |
| Child | 12831480 | US |
