A register adjustment device for a printing press

Abstract

The utility model relates to a kind of register adjusting device for printing machine, it is related to the technical field of register adjusting, it includes rack, adjusting seat is slidably arranged on the rack, adjusting piston cylinder is fixedly arranged on the adjusting seat, the output shaft of adjusting piston cylinder is fixedly connected with rack, drive motor is fixedly arranged at the bottom of adjusting seat, mounting seat is slidably arranged at the bottom of adjusting seat, mounting shaft is rotatably arranged on the mounting seat, the output shaft of drive motor is coaxially arranged with mounting shaft, drive roll is detachably arranged between the output shaft of drive motor and mounting shaft, pattern plate is arranged on the surface of drive roll. The present application has the effect of facilitating the adjustment of printing machine register, reducing the decline in pattern plate rotation stability.

Description

Technical Field

[0001] This utility model relates to the field of registration adjustment technology, and in particular to a registration adjustment device for a printing press. Background Technology

[0002] In the packaging printing process, registration is the primary condition for ensuring print quality. Printing registration is achieved by changing the relative position of the material and the printing roller.

[0003] A related technology, Chinese Patent No. CN217145282U, provides a registration adjustment device for a trademark printing machine. It includes a base plate with two opposing support blocks fixedly connected to it. Threaded strips are threaded onto the support blocks, and a rotating column is fixedly positioned between the threaded strips. A fixed column is rotatably connected to the rotating column, and a pattern printing plate and a set of first geared discs are fixedly connected to the fixed column. A rotating shaft is rotatably connected to the support blocks, and a second geared disc is fitted onto the outer surface of the rotating shaft. The second geared disc meshes with the first geared disc, and a spring abuts against the second geared disc and the support blocks. The second geared disc remains engaged with the first geared disc under the abutment of the spring. When the rotating shaft drives the second geared disc to rotate, the second geared disc drives the first geared disc to rotate, which in turn drives the fixed column to rotate, which in turn drives the pattern printing plate to rotate. When adjusting the pattern printing plate, the threaded strips are driven to rotate, causing relative movement between the threaded strips and the support blocks, thereby moving the pattern printing plate.

[0004] In the process of developing this application, the inventors discovered that the technology has at least the following problems: the spring will gradually fatigue when it is in a compressed state for a long time, which will cause the spring force to gradually decrease, which will easily affect the meshing effect between the second toothed disc and the first toothed disc, resulting in a decrease in the rotational stability of the pattern printing plate. Utility Model Content

[0005] In order to facilitate the adjustment of printing press registration and reduce the decrease in the stability of the printing plate rotation, this application provides a registration adjustment device for printing press.

[0006] The registration adjustment device for a printing press provided in this application adopts the following technical solution: A registration adjustment device for a printing press includes a frame, an adjustment seat slidably disposed on the frame, an adjustment piston cylinder fixedly disposed on the adjustment seat, an output shaft of the adjustment piston cylinder fixedly connected to the frame, a drive motor fixedly disposed at the bottom of the adjustment seat, a mounting seat slidably disposed at the bottom of the adjustment seat, a mounting shaft rotatably disposed on the mounting seat, the mounting shaft being coaxially disposed with the output shaft of the drive motor, a drive roller detachably disposed between the mounting shaft and the output shaft of the drive motor, and a pattern printing plate being disposed on the surface of the drive roller.

[0007] By adopting the above technical solution, the drive roller is installed between the output shaft of the drive motor and the mounting shaft. When the pattern printing plate is adjusted, the output shaft of the adjusting piston cylinder extends and retracts, causing the adjusting seat to move. The movement of the adjusting seat causes the drive motor and the mounting shaft to move synchronously, thereby moving the pattern printing plate and achieving the effect of facilitating the registration of the printing press. When the drive motor is working, the output shaft of the drive motor directly drives the drive roller to rotate, reducing the decrease in the rotational stability of the pattern printing plate.

[0008] Preferably, a guide hole is formed through the adjusting seat, a guide rod is inserted through the guide hole, the guide rod is fixedly connected to the frame, a guide rail is fixedly installed on the side wall of the guide rod, and a plurality of guide wheels are rolled in the guide rail, the guide wheels are rotatably connected to the inner wall of the guide hole.

[0009] By adopting the above technical solution, the guide wheel rolls along the guide rail, allowing the adjusting seat to slide on the frame, reducing the friction between the adjusting seat and the guide rod, and improving the stability of the adjusting seat's movement.

[0010] Preferably, a plurality of first guide holes are formed through the frame, and a first guide rod is disposed through the first guide hole. The first guide rod is slidably connected to the first guide hole. A plurality of first spheres are rotatably disposed within the first guide hole. The first spheres abut against the side wall of the first guide rod. A first bracket is disposed on the first guide rod. The first bracket is fixedly connected to the first guide rod, fixedly connected to the adjustment seat, and fixedly connected to the drive motor.

[0011] By adopting the above technical solution, the drive motor is fixedly installed on the adjustment seat through the first bracket. When the adjustment seat moves laterally, the adjustment seat drives the first bracket to move, and the first bracket drives the drive motor to move. During the movement of the first bracket, the first bracket drives the first guide rod to move, so that the first ball rolls along the first guide rod, reducing the friction between the first guide rod and the first guide hole and improving the stability of the movement of the first bracket.

[0012] Preferably, the frame has several second guide holes, and a second guide rod is inserted through the second guide hole. The second guide rod is slidably connected to the second guide hole. Several second spheres are rotatably arranged in the second guide hole. The second spheres abut against the side wall of the second guide rod. A second bracket is provided on the second guide rod. The second bracket is fixedly connected to the second guide rod. The second bracket is slidably connected to the adjustment seat. The second bracket is fixedly connected to the mounting seat.

[0013] By adopting the above technical solution, the mounting base is fixedly installed on the adjusting base by the second bracket. When the adjusting base moves laterally, the adjusting base drives the second bracket to move, and the second bracket drives the mounting base and the mounting shaft to move. During the movement of the second bracket, the second bracket drives the second guide rod to move, so that the second ball rolls along the second guide rod, reducing the friction between the second guide rod and the second guide hole and improving the stability of the movement of the second bracket.

[0014] Preferably, the bottom of the adjusting seat has a dovetail groove, and a dovetail block is slidably arranged in the dovetail groove. The outer wall of the dovetail block and the inner wall of the dovetail groove are in contact with each other. The mounting seat is fixedly connected to the dovetail block. An adjusting screw is rotatably arranged in the dovetail groove. The adjusting screw is threadedly connected to the dovetail block. One end of the adjusting screw passes through the end wall of the adjusting seat, and a knob is fixedly arranged at the outer end of the adjusting screw.

[0015] By adopting the above technical solution, when adjusting the distance between the output shaft of the drive motor and the mounting shaft, rotating the knob causes the adjusting screw to rotate, which in turn moves the dovetail block along the dovetail groove. This causes the dovetail block to move the mounting base synchronously, thereby achieving the effect of adjusting the distance between the output shaft of the drive motor and the mounting shaft.

[0016] Preferably, a snap-fit ​​plate is fixedly installed on both the mounting shaft and the output shaft of the drive motor. The opposite surfaces of the snap-fit ​​plate are used to abut against the end wall of the drive roller. The diameter of the snap-fit ​​plate is smaller than the diameter of the drive roller. An insertion shaft is fixedly installed on the opposite surfaces of the snap-fit ​​plate. Several positioning blocks are fixedly installed on the side wall of the insertion shaft. An insertion groove is opened on the end wall of the drive roller. The insertion groove is used for the insertion shaft to be inserted. Several positioning grooves are opened on the inner wall of the insertion groove. The positioning grooves penetrate the end wall of the drive roller and are used for the positioning blocks to be inserted.

[0017] By adopting the above technical solution, when the opposite surface of the snap-fit ​​plate abuts against the end wall of the drive roller, the snap-fit ​​shaft is inserted into the snap-fit ​​groove and the positioning block is inserted into the positioning groove, so that the drive roller is installed between the output shaft of the drive motor and the mounting shaft. When the output shaft of the drive motor drives the snap-fit ​​plate to rotate, the snap-fit ​​plate drives the drive roller to rotate synchronously through the snap-fit ​​shaft and the positioning block.

[0018] Preferably, the snap-fit ​​plate has several snap-fit ​​holes through it, and snap-fit ​​posts are inserted into the snap-fit ​​holes. The opposite faces of the snap-fit ​​posts are fixedly connected to the end wall of the drive roller. Snap-fit ​​grooves are formed on the side walls of the snap-fit ​​posts, and snap-fit ​​springs are fixedly installed in the snap-fit ​​grooves. Snap-fit ​​blocks are fixedly installed on the snap-fit ​​springs. The snap-fit ​​blocks are slidably connected to the snap-fit ​​grooves, and the end of the snap-fit ​​block near the drive roller is used to abut against the opposite side of the snap-fit ​​plate.

[0019] By adopting the above technical solution, when the opposite face of the snap-fit ​​plate abuts against the end wall of the drive roller, the snap-fit ​​post penetrates the snap-fit ​​hole, and the end of the snap-fit ​​block near the drive roller abuts against the opposite side of the snap-fit ​​plate, thereby achieving the snap-fit ​​effect between the snap-fit ​​plate and the drive roller and improving the stability of the connection between the snap-fit ​​plate and the drive roller.

[0020] Preferably, a limiting slide groove is provided in the snap-fit ​​groove, and a limiting slider is slidably provided in the limiting ring groove. The limiting slider is fixedly connected to the snap-fit ​​block. A contact surface is provided at the end of the snap-fit ​​block near the drive roller. The contact surface is used to contact and abut against the back of the snap-fit ​​plate. An inclined surface is provided at the end of the snap-fit ​​block away from the drive roller.

[0021] By adopting the above technical solution, the snap-fit ​​block is slidably connected to the snap-fit ​​groove by the limiting slider that slides in the limiting ring groove. The contact surface makes it easy for the snap-fit ​​block to be close to the drive roller end and abut against the snap-fit ​​plate. When the snap-fit ​​post is inserted into the snap-fit ​​hole, the inclined surface makes it easy for the snap-fit ​​block to be squeezed into the snap-fit ​​groove.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting up a frame, adjusting seat, adjusting piston cylinder, drive motor, mounting seat, mounting shaft, drive roller and pattern printing plate, it is easy to adjust the registration of the printing press. The output shaft of the drive motor directly drives the drive roller to rotate, reducing the decrease in the rotational stability of the pattern printing plate. 2. By setting guide holes, guide rods, guide rails, and guide wheels, the friction between the adjusting seat and the guide rod is reduced, thereby improving the stability of the adjusting seat's movement; 3. By setting dovetail grooves, dovetail blocks, adjusting screws, and knobs, the distance between the output shaft of the drive motor and the mounting shaft can be adjusted. Attached Figure Description

[0023] Figure 1 This is a cross-sectional view of a registration adjustment device for a printing press according to an embodiment of this application.

[0024] Figure 2 This is a cross-sectional view illustrating the connection relationship between the frame and the adjustment base in the embodiments of this application.

[0025] Figure 3 This is a cross-sectional view illustrating the connection relationship between the frame and the drive motor in the embodiments of this application.

[0026] Figure 4 yes Figure 3 Enlarged view of section A.

[0027] Figure 5 This is a cross-sectional view illustrating the connection relationship between the frame and the mounting shaft in the embodiments of this application.

[0028] Figure 6 yes Figure 5Enlarged view of section B.

[0029] Figure 7 yes Figure 5 Enlarged view of section C.

[0030] Figure 8 This is a cross-sectional view illustrating the connection between the drive roller and the snap-fit ​​plate in the embodiments of this application.

[0031] Figure 9 yes Figure 8 Enlarged view of section D.

[0032] Explanation of reference numerals in the attached drawings: 1. Frame; 11. First guide hole; 111. First guide rod; 112. First ball; 113. First bracket; 12. Second guide hole; 121. Second guide rod; 122. Second ball; 123. Second bracket; 2. Adjusting seat; 21. Adjusting piston cylinder; 22. Guide through hole; 221. Guide rod; 222. Guide rail; 223. Guide wheel; 3. Drive motor; 4. Mounting shaft; 41. Mounting 5. Pattern printing plate; 51. Drive roller; 6. Dovetail groove; 61. Dovetail block; 62. Adjusting screw; 63. Knob; 7. Snap-fit ​​plate; 71. Insert shaft; 711. Insert groove; 72. Positioning block; 721. Positioning groove; 73. Snap-fit ​​hole; 8. Snap-fit ​​post; 81. Snap-fit ​​groove; 811. Limiting slide groove; 812. Limiting slider; 82. Snap-fit ​​spring; 83. Snap-fit ​​block; 831. Adhesive surface; 832. Inclined surface. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1-9 This application will be described in further detail.

[0034] This application discloses a registration adjustment device for a printing press. (Refer to...) Figure 1 The system includes a frame 1, on which an adjusting seat 2 is slidably mounted. An adjusting piston cylinder 21 is mounted on the adjusting seat 2, and the output shaft of the adjusting piston cylinder 21 is fixedly mounted to the frame 1. A mounting base 41 is slidably mounted at the bottom of the adjusting seat 2, and a mounting shaft 4 is rotatably mounted on the mounting base 41. A drive motor 3 is mounted at the bottom of the adjusting seat 2, and the output shaft of the drive motor 3 is coaxial with the mounting shaft 4. A drive roller 51 is detachably mounted between the mounting shaft 4 and the output shaft of the drive motor 3, and a pattern printing plate 5 is mounted on the surface of the drive roller 51. When adjusting the pattern printing plate 5, the output shaft of the adjusting piston cylinder 21 extends and retracts, causing the adjusting seat 2 to move. The movement of the adjusting seat 2 causes the drive motor 3 and the mounting shaft 4 to move synchronously, thereby moving the pattern printing plate 5 and facilitating the adjustment of the printing press registration. When the drive motor 3 is working, its output shaft directly drives the drive roller 51 to rotate, reducing the possibility of decreased rotational stability of the pattern printing plate 5.

[0035] Reference Figure 1 and Figure 2 A guide hole 22 is formed through the adjusting seat 2, and a guide rod 221 is inserted through the guide hole 22. The end wall of the guide rod 221 is welded to the frame 1. Guide rails 222 are installed on the side walls of the guide rod 221, and several guide wheels 223 are rolled inside the guide rails 222. The guide wheels 223 are rotatably connected to the inner wall of the guide hole 22. The guide wheels 223 roll along the guide rails 222, allowing the adjusting seat 2 to slide on the frame 1. This reduces the friction between the adjusting seat 2 and the guide rod 221, improving the stability of the adjusting seat 2's movement.

[0036] Reference Figure 3 and Figure 4 A first bracket 113 is installed at the bottom of the adjusting seat 2. The first bracket 113 is welded to the drive motor 3, and the drive motor 3 is fixedly mounted on the adjusting seat 2 via the first bracket 113. When the adjusting seat 2 moves laterally, the adjusting seat 2 drives the first bracket 113 to move, and the first bracket 113 drives the drive motor 3 to move. Several first guide holes 11 are opened through the frame 1. First guide rods 111 are inserted through the first guide holes 11 and are slidably connected to the first guide holes 11. The first bracket 113 is welded to the first guide rods 111. Several first balls 112 are rotatably arranged in the first guide holes 11, and the first balls 112 abut against the side walls of the first guide rods 111. During the movement of the first bracket 113, the first bracket 113 drives the first guide rods 111 to move, causing the first balls 112 to roll along the first guide rods 111, reducing the friction between the first guide rods 111 and the first guide holes 11, and improving the stability of the movement of the first bracket 113.

[0037] Reference Figure 5 and Figure 6 A second bracket 123 is slidably mounted on the bottom of the adjusting seat 2. The second bracket 123 is welded to the mounting seat 41, and the mounting seat 41 is fixedly mounted on the adjusting seat 2 via the second bracket 123. When the adjusting seat 2 moves laterally, the adjusting seat 2 drives the second bracket 123 to move, and the second bracket 123 drives the mounting seat 41 and the mounting shaft 4 to move. Several second guide holes 12 are opened on the frame 1. A second guide rod 121 is inserted through the second guide holes 12 and is slidably connected to the second guide holes 12. The second bracket 123 is welded to the second guide rod 121. Several second balls 122 are rotatably arranged in the second guide holes 12, and the second balls 122 abut against the side wall of the second guide rod 121. During the movement of the second bracket 123, the second bracket 123 drives the second guide rod 121 to move, causing the second balls 122 to roll along the second guide rod 121, reducing the friction between the second guide rod 121 and the second guide hole 12, and improving the stability of the movement of the second bracket 123.

[0038] Reference Figure 5 and Figure 7A dovetail groove 6 is formed at the bottom of the adjusting seat 2. A dovetail block 61 is slidably disposed within the dovetail groove 6, with the outer wall of the dovetail block 61 fitting against the inner wall of the dovetail groove 6. The mounting seat 41 is welded to the dovetail block 61. An adjusting screw 62 is rotatably disposed within the dovetail groove 6, and the adjusting screw 62 is threadedly connected to the dovetail block 61. One end of the adjusting screw 62 passes through the end wall of the adjusting seat 2, and a knob 63 is installed at the other end of the adjusting screw 62 located outside the adjusting seat 2. When the mounting seat 41 is moved, the knob 63 is rotated, which drives the adjusting screw 62 to rotate, causing the dovetail block 61 to move along the dovetail groove 6, thereby causing the mounting seat 41 to move synchronously.

[0039] Reference Figure 1 and Figure 8 A snap-fit ​​plate 7 is installed on both the mounting shaft 4 and the output shaft of the drive motor 3. The opposite surfaces of the snap-fit ​​plate 7 are used to abut against the end wall of the drive roller 51, and the diameter of the snap-fit ​​plate 7 is smaller than the diameter of the drive roller 51. An insertion shaft 71 is installed on the opposite surfaces of the snap-fit ​​plate 7, and several positioning blocks 72 are installed on the side wall of the insertion shaft 71. An insertion groove 711 is opened on the end wall of the drive roller 51 for the insertion shaft 71 to be inserted. Several positioning grooves 721 are opened on the inner wall of the insertion groove 711, and the positioning grooves 721 penetrate the end wall of the drive roller 51 for the positioning blocks 72 to be inserted. When the opposite surfaces of the snap-fit ​​plate 7 abut against the end wall of the drive roller 51, the insertion shaft 71 is inserted into the insertion groove 711, and the positioning blocks 72 are inserted into the positioning grooves 721, thereby installing the drive roller 51 between the output shaft of the drive motor 3 and the mounting shaft 4. When the output shaft of the drive motor 3 drives the snap-fit ​​plate 7 to rotate, the snap-fit ​​plate 7 drives the drive roller 51 to rotate synchronously through the insertion shaft 71 and the positioning block 72.

[0040] Reference Figures 1 to 9A plurality of snap-fit ​​holes 73 are formed through the snap-fit ​​plate 7, and snap-fit ​​posts 8 are inserted into the snap-fit ​​holes 73. The opposite faces of the snap-fit ​​posts 8 are welded to the end wall of the drive roller 51. A snap-fit ​​groove 81 is formed on the side wall of the snap-fit ​​post 8, and a snap-fit ​​spring 82 is installed in the snap-fit ​​groove 81. A snap-fit ​​block 83 is installed on the snap-fit ​​spring 82. A limiting slide groove 811 is formed in the snap-fit ​​groove 81, and a limiting slider 812 is slidably set in the limiting ring groove. The limiting slider 812 is welded to the snap-fit ​​block 83, and the snap-fit ​​block 83 is slidably connected to the snap-fit ​​groove 81 by the limiting slider 812 sliding in the limiting ring groove. A contact surface 831 is provided at the end of the snap-fit ​​block 83 near the drive roller 51, and the contact surface 831 facilitates the contact of the snap-fit ​​block 83 to the snap-fit ​​plate 7 with the back side. The snap-fit ​​block 83 has an inclined surface 832 at the end away from the drive roller 51, which facilitates the snap-fit ​​block 83 being squeezed into the snap-fit ​​groove 81. When the opposite face of the snap-fit ​​plate 7 abuts against the end wall of the drive roller 51, the snap-fit ​​post 8 passes through the snap-fit ​​hole 73, and the end of the snap-fit ​​block 83 near the drive roller 51 abuts against the back of the snap-fit ​​plate 7, thereby achieving the snap-fit ​​effect between the snap-fit ​​plate 7 and the drive roller 51 and improving the stability of the connection between the snap-fit ​​plate 7 and the drive roller 51. When the drive roller 51 is installed between the drive motor 3 and the mounting shaft 4, first snap one end of the drive roller 51 with the snap-fit ​​plate 7 on the drive motor 3, and then rotate the knob 63 to bring the mounting base 41 closer to the drive motor 3, so that the snap-fit ​​plate 7 on the mounting shaft 4 snaps with the other end of the drive roller 51. When disassembling the drive roller 51 between the drive motor 3 and the mounting shaft 4, compress the locking block 83 near the mounting shaft 4 into the locking groove 81, and then rotate the knob 63 to move the mounting base 41 away from the drive motor 3. After the locking post 8 near the mounting shaft 4 separates from the locking plate 7 on the mounting shaft 4, compress the locking block 83 near the drive motor 3 into the locking groove 81 again, and then move the drive roller 51 away from the drive motor 3. After the drive roller 51 separates from the locking plate 7 on the drive motor 3, the drive roller 51 is disassembled from between the mounting shaft 4 and the drive motor 3.

[0041] The implementation principle of the registration adjustment device for a printing press according to an embodiment of this application is as follows: When adjusting the pattern printing plate 5, the output shaft of the adjusting piston cylinder 21 extends and retracts, causing the adjusting seat 2 to move. The movement of the adjusting seat 2 causes the drive motor 3 and the mounting shaft 4 to move synchronously, thereby moving the pattern printing plate 5 and achieving the effect of facilitating the registration adjustment of the printing press. When the drive motor 3 is working, the output shaft of the drive motor 3 directly drives the drive roller 51 to rotate, reducing the possibility of decreased rotational stability of the pattern printing plate 5.

[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A registration adjustment device for a printing press, comprising a frame, characterized in that: An adjusting seat is slidably mounted on the frame, and an adjusting piston cylinder is fixedly mounted on the adjusting seat. The output shaft of the adjusting piston cylinder is fixedly connected to the frame. A drive motor is fixedly mounted at the bottom of the adjusting seat, and a mounting seat is slidably mounted at the bottom of the adjusting seat. A mounting shaft is rotatably mounted on the mounting seat. The mounting shaft is coaxial with the output shaft of the drive motor. A drive roller is detachably mounted between the mounting shaft and the output shaft of the drive motor. A pattern printing plate is mounted on the surface of the drive roller.

2. The registration adjustment device for a printing press according to claim 1, characterized in that: A guide hole is formed through the adjusting seat, and a guide rod is inserted through the guide hole. The guide rod is fixedly connected to the frame. Guide rails are fixedly installed on the side walls of the guide rod. Several guide wheels are rolled inside the guide rails, and the guide wheels are rotatably connected to the inner wall of the guide hole.

3. The registration adjustment device for a printing press according to claim 1, characterized in that: A plurality of first guide holes are formed through the frame, and a first guide rod is inserted through the first guide hole. The first guide rod is slidably connected to the first guide hole. A plurality of first spheres are rotatably arranged in the first guide hole. The first spheres abut against the side wall of the first guide rod. A first bracket is provided on the first guide rod. The first bracket is fixedly connected to the first guide rod, fixedly connected to the adjustment seat, and fixedly connected to the drive motor.

4. The registration adjustment device for a printing press according to claim 1, characterized in that: The frame has several second guide holes, and a second guide rod is inserted through the second guide hole. The second guide rod is slidably connected to the second guide hole. Several second spheres are rotatably arranged in the second guide hole. The second spheres abut against the side wall of the second guide rod. A second bracket is provided on the second guide rod. The second bracket is fixedly connected to the second guide rod. The second bracket is slidably connected to the adjustment seat. The second bracket is fixedly connected to the mounting seat.

5. A registration adjustment device for a printing press according to claim 1, characterized in that: The bottom of the adjusting seat has a dovetail groove, and a dovetail block is slidably arranged in the dovetail groove. The outer wall of the dovetail block is in contact with the inner wall of the dovetail groove. The mounting seat is fixedly connected to the dovetail block. An adjusting screw is rotatably arranged in the dovetail groove. The adjusting screw is threadedly connected to the dovetail block. One end of the adjusting screw passes through the end wall of the adjusting seat. A knob is fixedly arranged at the outer end of the adjusting screw.

6. The registration adjustment device for a printing press according to claim 1, characterized in that: Both the mounting shaft and the output shaft of the drive motor are fixedly equipped with snap-fit ​​plates. The opposite surfaces of the snap-fit ​​plates are used to abut against the end wall of the drive roller. The diameter of the snap-fit ​​plates is smaller than the diameter of the drive roller. An insertion shaft is fixedly installed on the opposite surfaces of the snap-fit ​​plates. Several positioning blocks are fixedly installed on the side wall of the insertion shaft. Insertion grooves are opened on the end wall of the drive roller for the insertion shaft to be inserted. Several positioning grooves are opened on the inner wall of the insertion grooves. The positioning grooves penetrate the end wall of the drive roller and are used for the positioning blocks to be inserted.

7. A registration adjustment device for a printing press according to claim 6, characterized in that: The snap-fit ​​plate has several snap-fit ​​holes through it, and snap-fit ​​posts are inserted into the snap-fit ​​holes. The opposite faces of the snap-fit ​​posts are fixedly connected to the end wall of the drive roller. Snap-fit ​​grooves are formed on the side walls of the snap-fit ​​posts, and snap-fit ​​springs are fixedly installed in the snap-fit ​​grooves. Snap-fit ​​blocks are fixedly installed on the snap-fit ​​springs. The snap-fit ​​blocks are slidably connected to the snap-fit ​​grooves, and the end of the snap-fit ​​block near the drive roller is used to abut against the opposite side of the snap-fit ​​plate.

8. A registration adjustment device for a printing press according to claim 7, characterized in that: A limiting slide groove is provided in the snap-fit ​​groove, and a limiting slider is slidably arranged in the limiting slide groove. The limiting slider is fixedly connected to the snap-fit ​​block. A contact surface is provided at the end of the snap-fit ​​block near the drive roller. The contact surface is used to contact and abut against the back of the snap-fit ​​plate. An inclined surface is provided at the end of the snap-fit ​​block away from the drive roller.

Images