The subject matter herein generally relates to spray gun adjusting devices.
In a sand blasting process, multiple factors such as a type of sand, spray pressure, a height and spray angle of the spray gun, can influence the effect of sand blasting. Usually, the height and the spray angle of spray gun can be adjusted manually.
Implementations of the present technology will now be described, by way of example only, with reference to the attached figures.
It will be appreciated that for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. In addition, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein can be practiced without these specific details. In other instances, methods, procedures and components have not been described in detail so as not to obscure the related relevant feature being described. Also, the description is not to be considered as limiting the scope of the embodiments described herein. The drawings are not necessarily to scale and the proportions of certain parts may be exaggerated to better illustrate details and features of the present disclosure.
Several definitions that apply throughout this disclosure will now be presented.
The term “substantially” is defined to be essentially conforming to the particular dimension, shape or other word that substantially modifies, such that the component need not be exact. For example, substantially cylindrical means that the object resembles a cylinder, but can have one or more deviations from a true cylinder. The term “comprising,” when utilized, means “including, but not necessarily limited to”; it specifically indicates notch-ended inclusion or membership in the so-described combination, group, series and the like.
The present disclosure is described in relation to a spray gun adjusting device and an adjusting method thereof
The spray gun adjusting device 100 can include a fastening assembly 110, a laser 120 positioned on the fastening assembly 110, and a scale plate 130. The fastening assembly 110 can include a main body 111, a location pin 112 positioned on the main body 111, a plurality of latching members 113 positioned around the location pin 112, and a fastening member 114 opposite to the location pin 112. The location pin 112 can be inserted into a nozzle (not labeled) of the spray gun 210, and the latching member 113 can be engaged to the nozzle (not labeled) to connect the laser 120 to the spray gun 210.
The laser 120 can be positioned on the fastening member 114 of the fastening assembly 110. The laser 120 can have a set emergence angle. A plurality of emitting light of the laser 120 can form a rectangular spot (not shown) with a cross cursor (not shown).
When the cross cursor (not labeled) is overlapping a center O of the scale plate 130, the spot and the scale plate can form a plurality of intersection scales, such as A and B. A labeling scale principle of the angle scale plate 131 and the height scale plate 132 is as follows.
A distance L between the center O and the intersection scale A located on the scale plate 130 can be calculated by a relationship of L=H*tan α. Wherein, the α can be the set emergence angle of the laser 120. The H can be a height of the spray gun 210 that is a distance between the laser 120 and the center O of the scale plate 130. A plurality of values of H can be measured by a tool (not shown). A value of L the can be calculated according to a value of the H, that is a value of scale of the height scale plate 132 can be determined according the value of L. As described above method, a plurality of values of scale of the height scale plate 132 can be labeled according to other values of H. On the contrary, a height of the spray gun 210 can be determined according to a scale value of the height scale plate 132.
A distance X between the center O and the intersection scale B located on the scale plate 130 can be calculated by a relationship of X=H/sin(β−α)*sin α. Wherein, the relationship of X=H/sin(β−α)*sin α can be determined from a relationship of X/sin α=H/sin[180°−(180°−β+α)]. The β can be an angle between the laser 120 and the scale plate 130, that is the β can be a spray angle of the spray gun 210. A plurality of different values of β can be measured by a tool (not shown). A value of X can be calculated according to a value of H and a value of β. Thus, a plurality of values of X on one radial line 1311 can be calculated according to the values of β and a set value of H1 or H2 and so on. As described above method, a plurality of value of scale of each radial line 1311 can be labeled according to the different values of β in a condition of different set heights of the spray gun 210. On the contrary, an angle of the spray gun 210 can be determined according to a scale value of the angle scale plate 131.
Referring to
At block 101, the scale plate 130 can be placed on a center of the fixture 240 of the sand blasting apparatus 200, and the laser 120 can be fastened to the spray gun 210 by the fastening assembly 110.
At block 102, the cross cursor (not labeled) of the laser 120 can be overlapping the center O of the scale plate 130, and a height of the spray gun 210 can be adjusted to a determined value according to an intersection scale of the spot (not labeled) and the height scale plate 132.
At block 103, one radial line 1311 with a plurality of angle scale values (not labeled) can be rotated into the notch 1321 of the height scale plate 132 according to the determined height value of the spray gun 210, and a spray angle of the spray gun 210 can be adjusted to a determined value according to an intersection scale of the spot (not labeled) and the angle scale plate 131.
At block 104, as described above, a spray angle and a height of other spray guns 210 of the sand blasting apparatus 200 can be adjusted.
As described above, the laser 120 can be positioned on the spray gun 210. The spray angle and the height of the spray gun 210 can be adjusted according to the intersection scales of the spot and the height scale plate 132, and the angle scale plate 131 respectively. Therefore, the spray gun 210 can be accurately positioned to improve accuracy and efficiency of the sand blasting apparatus 200.
The embodiments shown and described above are only examples. Many details are often found in the art such as the other features of a spray gun adjusting device and an adjusting method thereof. Therefore, many such details are neither shown nor described. Even though numerous characteristics and advantages of the present technology have been set forth in the foregoing description, together with details of the structure and function of the present disclosure, the disclosure is illustrative only, and changes may be made in the details, including matters of shape, size and arrangement of the parts within the principles of the present disclosure, up to and including the full extent established by the broad general meaning of the terms used in the claims. It will therefore be appreciated that the embodiments described above may be modified within the scope of the claims.
Number | Date | Country | Kind |
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201410799709.2 | Dec 2014 | CN | national |