Turnover mechanism of printing machine

Abstract

The utility model provides a printing machine turnover mechanism, which relates to the technical field of printing auxiliary equipment and comprises an adjusting box, a gear is arranged on one side of the inner wall of the adjusting box through a central rotating shaft column, two racks are meshed and connected with the peripheral side of the outer surface wall of the gear, and two first guide rails are symmetrically arranged on one side of the inner wall of the adjusting box. The two first guide rails are slidably connected with the two racks, connecting blocks are fixedly connected to one sides of the top walls of the two racks, sliding blocks are fixedly connected to one sides of the top walls of the connecting blocks, two movable grooves are formed in one side of the top wall of the adjusting box, the movable grooves are movably connected with the connecting blocks, and the first support is driven to adjust the distance under the action of the output end of the air cylinder; and the printed matters with different thicknesses are clamped under the action of the belt motor, so that the adaptive capacity of the printing machine turnover mechanism is improved, the replacement frequency of the clamp is reduced, and the working efficiency of the printing machine turnover mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing auxiliary equipment, in particular to a turning mechanism of a printing press. Background Art

[0002] The printing press flipper is mainly used to achieve double-sided printing and printing with color positioning requirements. In double-sided printing, the flipper can flip the workpiece upside down so that the front and back sides can be printed separately. In printing with color positioning requirements, the flipper can achieve color flipping with high accuracy by precisely controlling the workpiece position and rotation angle. The application of flippers in printing also includes shortening the production cycle and improving printing efficiency. Through the flipper, the printing press can complete multiple processes in the same printing process, improve production efficiency and reduce production costs. The printing press flipper is a mechanical system that can realize workpiece flipping. Common flipping mechanisms are curved rod connecting rod mechanisms and shear slider mechanisms.

[0003] However, the existing printing press flipping mechanism has the problem of insufficient clamping force for the printed matter, which causes the printed matter to fall during the flipping process, and the clamp used in the flipping mechanism cannot be adjusted according to the size of the printed matter, and the clamp needs to be replaced, which reduces the work efficiency of the printed matter printing operation. Therefore, it is necessary to propose a new printing press flipping mechanism. Utility Model Content

[0004] The utility model aims to solve the problem that the flipping mechanism has insufficient clamping force on printed products, resulting in the printed products falling during flipping, and the clamps need to be replaced according to the size of the printed products, and proposes a flipping mechanism for a printing press.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a printing press turning mechanism comprises an adjusting box, a gear is installed on one side of the inner wall of the adjusting box through a central rotating shaft column, and two racks are meshed and connected to the circumferential side of the outer wall of the gear, two first guide rails are symmetrically installed on one side of the inner wall of the adjusting box, the two first guide rails are slidably connected to the two racks, one side of the top wall of the two racks is fastened with a connecting block, one side of the top wall of the connecting block is fastened with a sliding block, two movable grooves are provided on one side of the top wall of the adjusting box, the movable groove and the connecting block are movably connected, a second guide rail is installed on one side of the top wall of the adjusting box, the second guide rail and the sliding block are slidably connected, one side of the top wall of the sliding block is fastened with a first bracket, and one side of the surface wall of the first bracket is installed with a cylinder.

[0006] Preferably, a flip plate is installed on one side of the surface wall of the first bracket, and a motor box is fastened to one side of the bottom wall of the flip plate.

[0007] Preferably, a belt motor is installed on one side of the inner wall of the motor box, and two forward and reverse threaded screws are installed on the output end of the belt motor.

[0008] Preferably, the surface wall of the forward and reverse threaded screw rod is threadedly connected with two clamping plates, and the two clamping plates are slidably connected to the flip plate.

[0009] Preferably, a working box is fastened to one side of the surface wall of the first bracket, and a turning motor is installed on one side of the inner wall of the working box.

[0010] Preferably, a worm is installed at the output end of the flip motor, and a worm wheel is meshingly connected to one side of the surface wall of the worm.

[0011] Preferably, a second bracket is fastened to one side of the inner wall of the working box, the second bracket is rotatably connected to the worm, and the worm wheel is fastened to the flip plate.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the first bracket is driven to adjust the distance under the action of the cylinder output end, thereby installing printed materials of different widths, clamping printed materials of different thicknesses under the action of the belt motor, thereby improving the adaptability of the printing press turning mechanism, thereby reducing the replacement frequency of the clamp and improving the working efficiency of the printing press turning mechanism.

[0014] 2. In the utility model, by starting the flip motor, the output end of the flip motor rotates to drive the worm to rotate, the rotation of the worm drives the worm wheel to rotate, and then drives the flip plate to rotate, the rotation of the clamping plate drives the printed matter to rotate, thereby improving the work efficiency of printing on both sides of the printed matter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a printing press turnover mechanism;

[0016] Figure 2 The utility model provides a schematic diagram of the internal cross-sectional structure of a printing press turnover mechanism;

[0017] Figure 3 The utility model provides a schematic diagram of the internal cross-sectional structure of a working box of a printing press turnover mechanism;

[0018] Figure 4 The utility model provides a schematic diagram of the internal cross-sectional structure of an adjustment box of a turnover mechanism of a printing press.

[0019] Legend: 1. Adjustment box; 2. Cylinder; 3. Rack; 4. First guide rail; 5. Gear; 6. Connecting block; 7. Slider; 8. Movable slot; 9. Second guide rail; 10. First bracket; 11. Working box; 12. Flip motor; 13. Worm gear; 14. Worm; 15. Second bracket; 16. Flip plate; 17. Forward and reverse threaded screw; 18. Clamp; 19. Motor box; 20. Belt motor. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Example 1

[0022] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a printing press turnover mechanism, including an adjustment box 1, a gear 5 is installed on one side of the inner wall of the adjustment box 1 through a central rotating shaft column, two racks 3 are meshed and connected to the outer wall circumference of the gear 5, two first guide rails 4 are symmetrically installed on one side of the inner wall of the adjustment box 1, the two first guide rails 4 and the two racks 3 are slidably connected, one side of the top wall of the two racks 3 is fastened with a connecting block 6, one side of the top wall of the connecting block 6 is fastened with a slider 7, one side of the top wall of the adjustment box 1 is provided with two movable grooves 8, the movable grooves 8 and the connecting block 6 are movably connected, and the top of the adjustment box 1 A second guide rail 9 is installed on one side of the wall, and the second guide rail 9 and the slider 7 are slidably connected. A first bracket 10 is fastened to one side of the top wall of the slider 7, and a cylinder 2 is installed on one side of the surface wall of the first bracket 10. A flip plate 16 is installed on one side of the surface wall of the first bracket 10, and a motor box 19 is fastened to one side of the bottom wall of the flip plate 16. A belt motor 20 is installed on one side of the inner wall of the motor box 19, and two forward and reverse threaded screw rods 17 are installed on the output end of the belt motor 20. The surface wall of the forward and reverse threaded screw rod 17 is threadedly connected to two clamping plates 18, and the two clamping plates 18 and the flip plate 16 are slidably connected.

[0023] In this embodiment, the user starts the cylinder 2 according to the size of the printed matter, and the output end of the cylinder 2 drives the first bracket 10 on one side to move. Under the action of the second guide rail 9, the first bracket 10 on one side moves to drive the slider 7 to move on the second guide rail 9. The movement of the slider 7 drives the connecting block 6 on the same side to move inside the movable groove 8. Under the action of the first guide rail 4, the connecting block 6 moves to drive the rack 3 on the same side to move on the first guide rail 4. The movement of the rack 3 drives the gear 5 to rotate, and then the rotation of the gear 5 drives the slider 7 and the first bracket 10 on the other side to move, so that Adjust the distance between the two first brackets 10, then the user starts the belt motor 20 installed inside the motor box 19, and the two forward and reverse threaded screws 17 are driven to rotate under the action of the belt motor 20, and the rotation of the two forward and reverse threaded screws 17 drives the two clamps 18 to move, and then the printed matter is clamped and tightened under the action of the two clamps 18 to prevent the printed matter from falling during the flipping process, thereby improving the adaptability of the flipping mechanism of the printing press, thereby reducing the replacement frequency of the clamp and improving the working efficiency of the flipping mechanism of the printing press. The adjustment box 1 supports the first bracket 10. Example 2

[0024] like Figure 1-Figure 4 As shown, a working box 11 is fastened to one side of the surface wall of the first bracket 10, a flip motor 12 is installed on one side of the inner wall of the working box 11, a worm 14 is installed on the output end of the flip motor 12, a worm wheel 13 is meshedly connected to one side of the surface wall of the worm 14, a second bracket 15 is fastened to one side of the inner wall of the working box 11, the second bracket 15 and the worm 14 are rotatably connected, and the worm wheel 13 and the flip plate 16 are fastened.

[0025] In this embodiment, after the user clamps and tightens the printed matter, he starts the flip motor 12 installed inside the working box 11. The output end of the flip motor 12 rotates to drive the worm 14 to rotate. The rotation of the worm 14 drives the worm wheel 13 to rotate. The rotation of the worm wheel 13 drives the flip plate 16 to rotate. The rotation of the flip plate 16 drives the clamping plate 18 to rotate, thereby driving the printed matter to flip, thereby improving the work efficiency of printing on both sides of the printed matter. The second bracket 15 supports the worm 14.

[0026] The working principle of this embodiment is as follows: when in use, first connect the power supply, and the user starts the cylinder 2 according to the size of the printed matter. Under the action of the output end of the cylinder 2, the first bracket 10 on one side is driven to move, and the first bracket 10 on one side moves to drive the slider 7 to move on the second guide rail 9. The movement of the slider 7 drives the connecting block 6 on the same side to move inside the movable groove 8. The movement of the connecting block 6 drives the rack 3 on the same side to move on the first guide rail 4. The movement of the rack 3 drives the gear 5 to rotate, and then the rotation of the gear 5 drives the slider 7 and the first bracket 10 on the other side to move, thereby adjusting the distance between the two first brackets 10. Then, The user starts the belt motor 20, and the two forward and reverse threaded screws 17 are driven to rotate under the action of the belt motor 20. The rotation of the two forward and reverse threaded screws 17 drives the two clamping plates 18 to move, and then the printed matter is clamped and tightened under the action of the two clamping plates 18. Then, the flip motor 12 installed inside the working box 11 is started, and the output end of the flip motor 12 rotates to drive the worm 14 to rotate, and the rotation of the worm 14 drives the worm wheel 13 to rotate, and the rotation of the worm wheel 13 drives the flip plate 16 to rotate, and the rotation of the flip plate 16 drives the clamping plate 18 to rotate, thereby driving the printed matter to flip, thereby improving the work efficiency of printing on both sides of the printed matter.

[0027] The wiring diagrams of the cylinder 2, flip motor 12 and belt motor 20 in the present invention are common knowledge in the art, and their working principles are already known technologies. Appropriate models are selected according to actual use, so the control method and wiring layout of the cylinder 2, flip motor 12 and belt motor 20 are no longer explained in detail.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A printing press turnover mechanism, characterized in that: The invention comprises an adjusting box (1), wherein a gear (5) is installed on one side of the inner wall of the adjusting box (1) via a central rotating shaft column, and two racks (3) are meshedly connected to the circumference of the outer wall of the gear (5), and two first guide rails (4) are symmetrically installed on one side of the inner wall of the adjusting box (1), and the two first guide rails (4) and the two racks (3) are slidably connected, and a connecting block (6) is fastened to one side of the top wall of the two racks (3), and a slider (7) is fastened to one side of the top wall of the connecting block (6), and two movable grooves (8) are provided on one side of the top wall of the adjusting box (1), and the movable grooves (8) and the connecting block (6) are movably connected, and a second guide rail (9) is installed on one side of the top wall of the adjusting box (1), and the second guide rail (9) and the slider (7) are slidably connected, and a first bracket (10) is fastened to one side of the top wall of the slider (7), and a cylinder (2) is installed on one side of the surface wall of the first bracket (10).

2. The printing press turnover mechanism according to claim 1, characterized in that: A flip plate (16) is installed on one side of the surface wall of the first bracket (10), and a motor box (19) is fastened to one side of the bottom wall of the flip plate (16).

3. The printing press turnover mechanism according to claim 2, characterized in that: A belt motor (20) is installed on one side of the inner wall of the motor box (19), and two forward and reverse threaded screw rods (17) are installed on the output end of the belt motor (20).

4. The printing press turnover mechanism according to claim 3, characterized in that: The surface wall of the forward and reverse threaded screw rod (17) is threadedly connected to two clamping plates (18), and the two clamping plates (18) are slidably connected to the flip plate (16).

5. The printing press turnover mechanism according to claim 4, characterized in that: A working box (11) is fastened to one side of the surface wall of the first bracket (10), and a turning motor (12) is installed on one side of the inner wall of the working box (11).

6. The printing press turnover mechanism according to claim 5, characterized in that: A worm (14) is installed at the output end of the tilting motor (12), and a worm wheel (13) is meshingly connected to one side of the surface wall of the worm (14).

7. The printing press turnover mechanism according to claim 6, characterized in that: A second bracket (15) is fastened to one side of the inner wall of the working box (11); the second bracket (15) is rotatably connected to the worm (14); and the worm wheel (13) is fastened to the flip plate (16).

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