Claims
- 1. A device for positioning a transfer roller, the device comprising:
- a frame;
- a first stationary roller mounted on said frame;
- a second stationary roller mounted on said frame;
- a roller lock having means for mounting said roller lock displaceably on said frame in a first direction substantially tangential to the first stationary roller;
- a first adjustment means for moving said roller lock in said first direction;
- a roller lock position means for measuring position of said roller lock with respect to said frame;
- a trunnion rotatably mounted to, and along the axis of, the transfer roller and having means for mounting said trunnion displaceably on said roller lock in a second direction substantially tangential to the second stationary roller and independent of said first direction;
- a second adjustment means on said roller lock for moving said trunnion in said second direction independent of said first adjustment means moving said roller lock;
- trunnion position sensing means for measuring position of said trunnion with respect to said roller lock; and
- programmable control means for independently moving the transfer roller in said first and second direction by independently controlling said first and second adjustment means and for receiving predetermined position information from external sources, and actual position information from said roller lock and trunnion position sensing means, said programmable control means using said position information to control said first and second adjustment means.
- 2. A device in accordance with claim 1, further comprising:
- a rocking lever attached to the roller lock on one end and rotatably attached, about the axis of the first stationary roller, to said frame;
- a guide lever being attached on one end to said frame and on another end to said first adjustment means.
- 3. A device in accordance with claim 1, further comprising:
- pressure sensor means for measuring pressure between said transfer roller and one of said first and second stationary rollers; and
- said programmable control means also receiving pressure information from said pressure sensor means and using said pressure information to control said first and second adjustment means.
- 4. A device for adjusting the position of a roller, the device comprising:
- a frame;
- a trunnion rotatably mounted to, and along an axis of, the roller;
- a roller lock having means for mounting said roller lock displaceably on said frame in a first direction relative to said frame, said trunnion having means for mounting said trunnion displaceably on said roller lock in a second direction independent of said first direction;
- a first adjustment means on said roller lock for moving said roller lock in said first direction;
- a second adjustment means on said roller lock for moving said trunnion in said second direction independent of said first adjusting means moving said roller lock; and
- programmable control means for independently moving the roller in said first and second directions by independently controlling said first and second adjustment means.
- 5. A device in accordance with claim 4, further comprising: an additional trunnion rotatably mounted on and along the axis of the roller opposite said trunnion;
- an additional roller lock having means for mounting said additional roller lock displaceably in said first direction to said frame, said additional roller lock also having means for mounting said additional roller lock displaceably in said second direction to said additional trunnion;
- an additional first adjustment means for moving said additional roller lock in said first direction;
- an additional roller lock position means for measuring position of said additional roller lock with respect to said frame;
- an additional second adjustment means on said additional roller lock for moving said additional trunnion in said second direction;
- an additional trunnion sensing means for measuring position of said additional trunnion with respect to said additional roller lock; and
- said programmable control means also receiving additional position information from said additional roller lock and trunnion position sensing means, and using said position information with said additional position information to also control said additional first and second adjustment means.
- 6. A device in accordance with claim 4, wherein:
- one of said first and second adjustment means uses pneumatics to cause said movement.
- 7. A device in accordance with claim 4, wherein:
- one of said first and second adjustment means uses an electric motor to cause said movement.
- 8. A device in accordance with claim 7, wherein:
- said trunnion defines a first threaded bore in said second direction;
- a first threaded shaft is rotatably mounted in said roller lock and threadally engages said first threaded bore; and
- said electric motor rotates said first threaded shaft under said control of said programmable control means.
- 9. A device in accordance with claim 8, wherein:
- said frame defines a second threaded bore in said first direction;
- a second threaded shaft is rotatably mounted in said roller lock and threadally engages said second threaded bore; and an
- additional electric motor rotates said second threaded shaft under said control of said programmable control means.
- 10. A device in accordance with claim 9, further comprising:
- a first guide bolt;
- said trunnion defining a first guide bore for receiving said first guide bolt;
- a second guide bolt mounted substantially parallel to said second threaded shaft; and
- said frame defining a second guide bore for receiving said second guide bolt.
- 11. A device in accordance with claim 4, further comprising:
- a roller lock position means for measuring position of said roller lock with respect to said frame;
- trunnion position sensing means for measuring position of said trunnion with respect to said roller lock; and
- said programmable control means also receiving predetermined position information from external sources, and actual position information from said roller lock and trunnion position sensing means, said programmable control means using said position information in said controlling of said first and second adjustment means.
- 12. A device in accordance with claim 11, wherein:
- one of said roller lock position means and said trunnion position sensing means is a potentiometer.
- 13. A device in accordance with claim 4, wherein:
- said second direction is substantially perpendicular to both the axis of the roller and said first direction.
- 14. Device for engaging, disengaging, and adjusting a roller of a printing press, the device comprising:
- a frame;
- a first stationary cylinder mounted in said frame;
- trunnions rotatably mounted on each end of the roller;
- roller locks having means for mounting said roller locks displaceably on said trunnions, said roller locks also having means for mounting said roller locks displaceably on said frame;
- first adjusting means in said roller locks for adjustment of the roller relative to said first stationary cylinder;
- a second stationary cylinder mounted in said frame;
- a second adjusting means in said roller locks for adjustment of the roller relative to said second stationary cylinder, said adjustment being independent of, and in an independent direction from, said first adjusting means adjusting the roller;
- electrically controlled drives;
- said first and second adjusting means are arranged in the form of first and second spindles, respectively, in said roller locks, said first spindle threadally engaging one of said trunnions, said second spindle threadally engaging said frame, said first and second spindles actuated via said electrically controlled drives;
- programmable control means for independently moving the roller in independent directions by independently controlling said electrically controlled drives; and
- a potentiometer producing a signal dependent on the position of said electrically controlled drives and said signal being sent to said programmable control means.
- 15. Device in accordance with claim 14, wherein:
- one of said roller locks define a first recess for receiving one of said trunnions;
- one of said trunnions defines a threaded hole through which said first spindle is led;
- said first and second spindles mounted rotatably and secured against displacement in said roller locks;
- said second spindle rotatably mounted in one of said roller locks at an angle of substantially 90.degree. relative to said first spindle.
- 16. Device in accordance with claim 15, further comprising:
- first gears mounted nonrotatably on each of said first and second spindles;
- gear mechanisms engaging with each of said first gears, said gear mechanisms are driven by said electrically controlled drives; and
- said electrically controlled drives are designed as d.c. motors.
- 17. Device in accordance with claim 16, further comprising:
- second gears mounted nonrotatably to said potentiometer and engaging one of said first gears.
- 18. Device in accordance with claim 15, further comprising:
- a rocker lever fastened at one end to one of said roller locks and said rocker lever hinged at another end to an axis of one of said first and second stationary cylinders and pivotable around said axis.
- 19. Device in accordance with claim 14, further comprising:
- a guide lever hinged pivotably on one end to said press frame;
- a bolt fastened on another end of said guide lever, said bolt extending into one of said roller locks and, defining a threaded hole through which said second spindle is led.
- 20. Device in accordance with claim 14, further comprising:
- a frame bolt through which said second spindle is led and said frame bolt is rigidly connected to said press frame.
- 21. Device in accordance with claim 20, wherein:
- said second spindle is arranged in a substantially tangential direction relative to said second stationary cylinder and said first spindle is arranged at a substantially right angles to said second spindle.
- 22. Device in accordance with claim 14, further comprising:
- a pressure sensor means for measuring a pressure with which the roller is brought into contact with one of said stationary rollers, said pressure sensor means being used to regulate said first and second adjustment means.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3825517 |
Jul 1988 |
DEX |
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Parent Case Info
This is a file wrapper continuation application of application Ser. No. 07/385,238, filed Jul. 25, 1989, now abandoned.
Foreign Referenced Citations (2)
Number |
Date |
Country |
2024457 |
Jan 1980 |
DEX |
2942007 |
Apr 1981 |
DEX |
Continuations (1)
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Number |
Date |
Country |
Parent |
385238 |
Jul 1989 |
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