JPH0418852Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a device for finely adjusting the horizontal position of printing sheets stacked on a paper stack in an offset printing machine or the like.

(Prior art) When adjusting the left and right misalignment of the printing paper placed on the paper feeder during operation in a conventional printing machine, it is necessary to stop the machine operation and make the adjustment, and the amount of fine left and right adjustment is required. There was no other way to judge it based on one's own quantity.

(Problem to be solved by the invention) This invention is capable of printing during printing when the printing paper placed on the paper feeder is fed one by one into the blanket cylinder using a paper feed claw that moves back and forth in conjunction with the plate cylinder. It is an object of the present invention to provide a printing press that finely adjusts the horizontal position of paper, immediately detects the amount of adjustment, and accurately performs horizontal adjustment.

(Means for Solving the Problems) The present invention consists of a paper feeder 9 provided in a frame, a press plate 30 for aligning the front edge and back edge of the printing paper 29 placed on the paper feeder 9, and the printing paper. A control board 33;
Left and right fine adjustment plate 1 that adjusts both sides of printing paper 29
2 and the horizontal movement fixing plate 23, insert the guide rods 13, 14 and the horizontal fine movement adjustment rod 17 protruding from the horizontal fine movement adjustment plate 12 into the support stand 10 provided on the paper feed table 9, The sleeve 19 is loosely inserted into the left-right fine adjustment rod 17, and the left-right fine adjustment screw 18 screwed to the support base 10 is inserted into the outer periphery of the sleeve 19, and the sleeve 19 is fixed to the left-right fine adjustment screw 18 with a machine screw 21. The dial gauge 39 is attached to the guide rod 14, and the measuring rod 4 of the dial gauge 39
This is a device for adjusting left and right fine movement of printing paper in a printing press, in which the leading edge of a paper sheet is brought into contact with a measuring leg 41 of a paper holder 9.

(Function) The present invention corrects the horizontal misalignment of the printing paper during printing work by screwing the left and right fine adjustment screw 18 that is covered with the sleeve 19 that is covered with the guide rod 13 fixed to the left and right fine adjustment plate 12. Fix the fine adjustment screw 18 and the sleeve 19 with the machine screw 21, and rotate the left and right fine adjustment screw 18 left or right to adjust the guide rod 1.
3, 14 and the left/right fine adjustment plate 12 to finely adjust the left/right position of the printing paper, the left/right movement fixing plate 2
3 is fixed, the machine screw 21 is loosened or left unloosed, and the amount of fine movement of the left/right fine movement adjusting plate 12 is magnified with a dial gauge 39 and directly read.

(Embodiment) Reference numeral 1 denotes a frame, and a blanket cylinder A, a rubber cylinder B, and an impression cylinder (not shown) are pivoted to both side plates of the frame so as to rotate in conjunction with each other. Reference numeral 2 denotes a paper feeding claw stand, which is mounted on the guide frame 3 of the frame 1 together with a cam plate 4 so as to move forward and backward.
is rotated by a roller 8a of a crank arm 8 of a camshaft 7 of a gear 6 which is interlocked and rotated by a gear 5 attached to the blanket cylinder A-axis via an idle gear group 5a. 9 is a paper holder removably fitted into the upper surface of the frame 1;
Support stands 10 and 11 are protruded from the left and right sides of the upper surface, respectively, and the support stand 10 has a left and right fine adjustment plate 1.
2 guide rods 13 and 14 are inserted, and these guide rods 13 and 14 are connected to screws 15 screwed into the support base 10.
It is designed to be fixed at 16. 17 is a left/right fine adjustment plate 1 between the guide rods 13 and 14.
2 is a protruding left and right fine adjustment rod, 18 is a support stand 10
The sleeve 1 of the left/right fine adjustment rod 17 is screwed into the
A machine screw 21 is screwed into the head 20 of this left-right fine adjustment screw 18, and its tip is positioned so as to press against the surface of the sleeve 19 of the left-right fine adjustment rod 17. are doing. The left/right fine adjustment rod 17 and the sleeve 19 are rotatable but do not move relative to each other in the longitudinal direction. A left/right movement fixing plate 23 provided opposite to the left/right fine movement adjustment plate 12 is fixed to guide rods 24, 25 inserted through the support base 11.
25 is fixed to the support base 11 with screws 26 and 27. Reference numeral 28 denotes a guide protrusion protruding from the center of the front of the paper feeder 9 between the left and right fine adjustment plate 12 and the left and right fixing plate 23 in order to adjust the rear part of the printing paper 29, and a hole made in this guide protrusion. A guide rod 31 protruding from the pressing plate 30 can be inserted therethrough and fixed with a screw 32. Reference numeral 33 denotes a front control plate for the printing paper 29 which is pivoted on the front side of the support stands 11 and 12 with shafts 10a and 11a. Adjustment is made using an adjustment screw 34 screwed onto the printing paper front control board 33. 3
Reference numeral 5 denotes a pressing spring plate provided at the tip of the printing paper control board 33, which prevents the printing paper pushed out by the claw 2a of the paper feeding claw base 2 from floating. Reference numeral 36 denotes a lateral register fine adjustment leaf spring attached to the front end of the left/right movement fixing plate 23. A notch 37 is provided in front of the rear end base, and the tip of the presser spring 38 is attached to the back of the lateral register fine adjustment leaf spring 36. are pressed together.

39 is a dial gauge fixed to the tip of the guide rod 14, and the measuring rod 4 of this dial gauge
Measuring leg 4 with the tip of 0 protruding from the top surface of paper holder 9
Stop at 1.

Reference numeral 42 denotes a spring tensioned between a pin 43 set on the paper stack 9 and a pin 44 protruding from the side plate of the printing paper control board 33, and the printing paper control board 33 is shaken by vibration during operation. I'll make sure this doesn't happen. Reference numeral 45 denotes a handle provided on the paper stack 9, and the paper stack 9 can be placed on or removed from the frame 1 by holding this handle.

Operation: Stack the printing paper 29 on the paper stack 9, bring the front edge of the paper into contact with the printing paper control board 33 tilted around the shafts 10a and 11a, contact the rear edge with the press plate 30, and press the printing paper 29. A left/right fine movement adjustment plate 12 and a left/right movement fixing plate 23 are brought into contact with both side edges, respectively.
The printing papers 29 are stacked at basic positions on the left and right sides of the printing papers 29. Next, press the back side of the printing paper 29 with the press plate 30 and tighten the guide rod 31 with the alignment screw 32.
stop. Next, the left-right movement fixing plate 23 is placed in a predetermined position, and the guide rods 24 and 25 are tightened with screws 26 and 27. Next, the left/right fine adjustment plate 12 is brought into contact with the side edge of the printing paper 29 to adjust the dial gauge to the 0 position, and then the dial gauge is fixed to the guide rod 14. Assuming that the printing paper 29 is now shifted to the left, loosen the screws 26 and 27, rotate the left/right fine adjustment screw 18 to the right, move the left/right fine adjustment rod 17 slightly to the right, and move the left/right fine adjustment plate 12 to the right. It moves slightly to push out the printing paper 29 to the right. and screw 2
Tighten 6 and 27. This amount of movement is displayed in plus millimeters on the dial gauge 39. In order to slightly move the printing paper 29 to the left, contrary to the above, rotate the left and right fine adjustment screw 18 to the left, move the left and right fine adjustment rod 17 slightly to the left, and then move the left and right fine adjustment plate 12.
Move slightly to the left. The amount of minute movement is displayed as a minus number of mm on the dial gauge 39. screw 2
Loosen screws 6 and 27 to push left/right movement fixing plate 23 to the left, bring printing paper 29 into contact with left/right fine adjustment plate 12, and then tighten screws 26, 27.

(Effects) As described above, the present invention includes the paper feeder 9 provided on the frame, the press plate 30 and the printing paper control plate 33 for aligning the front and back edges of the printing paper 29 placed on the paper feeder 9. , in a printing machine equipped with a left-right fine movement adjustment plate 12 and a left-right movement fixing plate 23 for adjusting both sides of the printing paper 29, a guide rod protruding from the left-right fine movement adjustment plate 12 is provided on a support stand 10 provided on a paper stack 9. 13, 14 and the left/right fine adjustment rod 17, and the sleeve 19 is loosely inserted into the left and right fine adjustment rod.
is inserted, the sleeve 19 is fixed to the left/right fine adjustment screw 18 with the small screw 21, the dial gauge 39 is attached to the guide rod 14, and the tip of the measuring rod 40 of the dial gauge 39 is connected to the measuring leg 41 of the paper holder 9. Therefore, when the printing paper 29 placed on the paper holder 9 moves slightly to the left or right, the left and right fine movement can be adjusted by rotating the left and right fine adjustment screw 18 to the right or left. The plate 12 can be finely moved, and the amount of fine movement can be directly read by magnifying it on a dial gauge 39, the horizontal register can be easily finely adjusted even during printing, and the mechanism is simple and easy to operate.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway perspective view of the printing press;
FIG. 2 is a plan view of the present invention, FIG. 3 is an enlarged vertical cross-sectional view of a portion of the right-left fine adjustment rod, and FIG. 4 is an enlarged side view of the cam plate.

Claims (1)

[Scope of utility model registration request] A paper feeder 9 provided on the frame, a press plate 30 and a printing paper control board 33 that adjust the front and back edges of the printing paper 29 placed on the paper feeder 9, and the printing paper 29.
In a printing machine equipped with a left-right fine adjustment plate 12 and a left-right movement fixing plate 23 for adjusting both sides of the paper feeder 9,
The guide rods 13 and 14 protruding from the left-right fine adjustment plate 12 and the left-right fine adjustment rod 17 are inserted into the support stand 10 provided on the side, and the sleeve 19 is loosely inserted into the left-right fine adjustment rod 17. 10 is inserted, the sleeve 19 is fixed to the left and right fine adjustment screw 18 with a small screw 21, the dial gauge 39 is attached to the guide rod 14, and the tip of the measuring rod 40 of the dial gauge 39 is inserted. A device for adjusting horizontal fine movement of printing paper in a printing machine, in which a measuring leg 41 of a paper feed table 9 impinges on the measuring leg 41 of a paper feed table 9.