Clamping device of printing machine

Abstract

The utility model discloses a clamping device of a printing machine, and belongs to the field of printing machines, the clamping device comprises a rack, a positioning rod is fixedly assembled at the top of the rack, a motor is fixedly assembled at the top of the positioning rod, a lead screw is fixedly assembled on a power output shaft of the motor, and a sliding block is in threaded connection with the outer edge of the lead screw; a limiting block is fixedly assembled on the outer side of the sliding block, a connecting rod is fixedly connected to the side wall of the limiting block, and two moving blocks are slidably connected to the outer edge of the connecting rod; the pulling plate is pulled to drive the inserting rod to move, then the inserting block can be taken out from the inner wall position of the inserting hole, the pressing wheel is disassembled, then the inserting block is inserted into the inner wall position of the inserting hole by a new pressing wheel, the pulling plate can be loosened, and at the moment, the inserting rod is reset to the inner wall position of the inserting block by means of the acting force of the spring. Therefore, the inserting block is stably installed on the inner wall of the inserting hole, replacement and installation of the pressing wheel are completed, and the problem that the cost consumption of a user is too high due to the fact that a large number of power devices are used is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing machines, in particular to a clamping device of a printing machine. BACKGROUND

[0002] A printing machine is a machine for printing characters and images, and its invention and development have played an important role in the spread of human civilization and culture. The printing machine needs to use a clamping device when it is running.

[0003] In the published patent with the authorization announcement number CN211441500U, the clamping device of the folding forming printing machine belongs to the technical field of clamping devices, and its technical solution points include: a rack, a conveying belt installed on the rack, a lifting assembly installed on both sides of the rack along the conveying belt for conveying printed parts, an installation beam arranged between the lifting assemblies and driven by the lifting assemblies to lift, an installation block arranged on the installation beam, a locking assembly arranged on the installation block, a connecting beam arranged below the locking assembly and locked by the locking assembly, an installation cavity opened on one side of the connecting beam close to the conveying belt, a connecting block installed in the installation cavity, a lock catch assembly arranged in the installation cavity for locking the connecting block, and a pressure roller installed on one side of the connecting block close to the conveying belt. The purpose of the present application is to provide a clamping device of a folding forming printing machine, which can not only quickly replace the worn pressure roller, but also save manpower and improve efficiency.

[0004] The above device needs to use a motor when replacing the worn pressure roller. Since there are many pressure rollers, all of them need to be installed with corresponding motors, which leads to the use of more motor equipment by the user, resulting in higher cost consumption of the user, and is not conducive to popularization and use. CONTENT OF THE UTILITY MODEL

[0005] In view of the shortcomings of the prior art, the present application provides a clamping device of a printing machine, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.

[0006] In order to achieve the above object, the technical scheme adopted by the present application is as follows: A clamping device of a printing machine, comprising a rack, a positioning rod fixedly arranged on the top of the rack, a motor fixedly arranged on the top of the positioning rod, a power output shaft of the motor, a lead screw fixedly arranged on the power output shaft, a sliding block threadedly connected to the outer edge of the lead screw, a limiting block fixedly arranged on the outer side of the sliding block, a connecting rod fixedly connected to the side wall of the limiting block, two moving blocks slidingly connected to the outer edge of the connecting rod, a connecting beam fixedly connected to the bottom of the moving block, a insertion hole formed in the bottom of the connecting beam, an insertion block inserted into the inner wall of the insertion hole, a pressure roller fixedly arranged on the bottom of the insertion block, a protective cover fixedly arranged on the side wall of the connecting beam, an insertion rod slidingly connected to the inner wall of the protective cover, a gasket one fixedly arranged on the outer edge of the insertion rod, a spring movably sleeved on the outer edge of the insertion rod, and a gasket two slidingly connected to the outer edge of the insertion rod.

[0007] As a preferred embodiment, the spring is arranged at the intermediate position between the gasket two and the gasket one, one end of the insertion rod close to the gasket two is fixedly connected with a pull plate, a through hole is formed in the outer side of the protective cover and penetrates through the protective cover and the insertion block to the inner wall position of the connecting beam, the insertion rod is slidingly connected to the inner wall position of the through hole, and the diameter of the outer edge of the insertion rod is matched with the diameter of the inner wall of the through hole.

[0008] By adopting the above technical scheme, the gasket one and the gasket two can abut against both ends of the spring, thereby preventing the spring from rubbing against the inner wall of the protective cover, and the insertion rod can stably position the insertion block in the inner wall position of the insertion hole, thereby quickly installing and dismounting the pressure roller, and the pull plate increases the convenience of pulling the insertion rod.

[0009] As a preferred embodiment, a threaded hole is formed in the inner wall of the sliding block, the lead screw is threadedly connected to the inner wall position of the threaded hole, the sliding block is slidingly connected to the inner wall position of the positioning rod, and the limiting block is slidingly connected to the side wall position of the positioning rod.

[0010] By adopting the above technical scheme, the height of the sliding block can be adjusted by the threaded hole when the lead screw rotates, and the limiting block can limit the sliding block, thereby preventing the sliding block from rotating with the rotating force of the lead screw.

[0011] As a preferred embodiment, a positioning ring is fixedly arranged on the inner wall bottom of the positioning rod, and the bottom end of the lead screw is rotationally connected to the inner wall position of the positioning ring.

[0012] By adopting the above technical scheme, the position of the lead screw can be prevented from deviating when the lead screw rotates, thereby preventing the lead screw from rubbing against the inner wall of the positioning rod.

[0013] As a preferred implementation form, the number of positioning rods, motors, lead screws, sliding blocks and limit blocks is two, and the two positioning rods, motors, lead screws, sliding blocks and limit blocks are symmetrically arranged at the top of the rack, and the two ends of the connecting rod are fixedly connected between the two limit blocks.

[0014] By adopting the above technical scheme, the two sliding blocks can drive the connecting rod to move up and down in cooperation with the two limit blocks, so that the height of the pressing wheel can be adjusted.

[0015] As a preferred implementation form, the inner wall of the moving block is provided with a sliding hole, the connecting rod is arranged at the inner wall position of the sliding hole, the inner wall of the moving block is provided with an electromagnetic block, and the connecting rod is made of magnetic material.

[0016] By adopting the above technical scheme, the moving block can slide at the outer edge position of the connecting rod, so that the connecting beam and the pressing wheel can be adjusted to different positions, the electromagnetic block and the connecting rod are stably adsorbed, and the moving block is positioned, so that the connecting beam is positioned.

[0017] The beneficial effects of the present application are as follows:

[0018] 1. The clamping device of the printing machine can move the inserting rod by pulling the pull plate, so that the inserting block is taken out from the inner wall position of the insertion hole, so that the pressing wheel can be disassembled, then the new pressing wheel is inserted into the inner wall position of the insertion hole, and the pull plate is released, at this time the inserting rod is reset to the inner wall position of the inserting block by the action force of the spring, so that the inserting block is stably installed in the inner wall position of the insertion hole, the replacement and installation of the pressing wheel are completed, and the problem of high cost consumption of users caused by using a large number of power equipment is avoided.

[0019] 2. The clamping device of the printing machine can drive the lead screw to rotate by starting the motor, so that the lead screw can drive the connecting rod to move up and down in cooperation with the two sliding blocks and the two limit blocks, so that the height of the pressing wheel can be adjusted, so that the paper of different thicknesses can be positioned, and the distance between the two connecting beams can be adjusted by cooperation of the connecting rod and the moving block, so that the paper of different widths can be positioned. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the three-dimensional structure of the present application;

[0021] Figure 2 It is a schematic view of the sectional structure of the positioning rod of the present application;

[0022] Figure 3 It is a schematic view of the local structure of the present application;

[0023] Figure 4 It is a schematic view of theFigure 3 Enlarged structural schematic view at A in the middle;

[0024] Figure 5 Expatiation structural schematic view of the present application.

[0025] Reference signs in the drawing: 1, rack; 2, positioning rod; 3, motor; 4, screw rod; 5, sliding block; 6, limiting block; 7, connecting rod; 8, moving block; 9, connecting beam; 10, insertion hole; 11, insertion block; 12, pressing wheel; 13, protective cover; 14, insertion rod; 15, gasket I; 16, spring; 17, gasket II; 18, pull plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0027] With reference to Figures 1-5 A clamping device of a printing machine, comprising a rack 1, a positioning rod 2 fixedly arranged on the top of the rack 1, a motor 3 fixedly arranged on the top of the positioning rod 2, a screw rod 4 fixedly arranged on the power output shaft of the motor 3, a sliding block 5 threadedly connected to the outer edge of the screw rod 4, a limiting block 6 fixedly arranged on the outer side of the sliding block 5, a connecting rod 7 fixedly connected to the side wall of the limiting block 6, two moving blocks 8 slidingly connected to the outer edge of the connecting rod 7, a connecting beam 9 fixedly connected to the bottom of the moving block 8, an insertion hole 10 formed in the bottom of the connecting beam 9, an insertion block 11 inserted into the inner wall of the insertion hole 10, a pressing wheel 12 fixedly arranged on the bottom of the insertion block 11, a protective cover 13 fixedly arranged on the side wall of the connecting beam 9, an insertion rod 14 slidingly connected to the inner wall of the protective cover 13, a gasket I 15 fixedly arranged on the outer edge of the insertion rod 14, a spring 16 movably sleeved on the outer edge of the insertion rod 14, and a gasket II 17 slidingly connected to the outer edge of the insertion rod 14.

[0028] With reference to Figure 4 and Figure 5 The spring 16 is arranged at the intermediate position between the gasket II 17 and the gasket I 15, the pull plate 18 is fixedly connected to one end of the insertion rod 14 close to the gasket II 17, the outer side of the protective cover 13 is provided with a through hole, the through hole penetrates through the inner wall positions of the protective cover 13 and the insertion block 11 to the connecting beam 9, the insertion rod 14 is slidingly connected to the inner wall position of the through hole, and the outer edge diameter of the insertion rod 14 is matched with the inner wall diameter of the through hole, so that the gasket I 15 and the gasket II 17 can abut against both ends of the spring 16, thereby ensuring that the spring 16 cannot rub against the inner wall of the protective cover 13, and meanwhile, the insertion rod 14 can be used to stably position the insertion block 11 at the inner wall position of the insertion hole 10, thereby achieving the installation and dismounting of the pressing wheel 12 quickly, and the pull plate 18 can increase the convenience of pulling the insertion rod 14.

[0029] With reference to Figure 2The inner wall of the sliding block 5 is provided with a threaded hole, the screw rod 4 is threadedly connected to the inner wall position of the threaded hole, the sliding block 5 is slidingly connected to the inner wall position of the positioning rod 2, and the limiting block 6 is slidingly connected to the side wall position of the positioning rod 2, so that the height of the sliding block 5 can be adjusted by the threaded hole when the screw rod 4 rotates, and the limiting block 6 can limit the sliding block 5, so that the sliding block 5 cannot rotate with the rotating force of the screw rod 4.

[0030] Referring to Figure 2 The bottom of the inner wall of the positioning rod 2 is fixedly provided with a positioning ring, and the bottom end of the screw rod 4 is rotatably connected to the inner wall position of the positioning ring, so that the position of the screw rod 4 cannot be randomly deviated when rotating, and the screw rod 4 cannot be rubbed with the inner wall of the positioning rod 2.

[0031] Referring to Figure 1 and Figure 2 The number of the positioning rod 2, the motor 3, the screw rod 4, the sliding block 5 and the limiting block 6 is two, and the two positioning rods 2, the motor 3, the screw rod 4, the sliding block 5 and the limiting block 6 are symmetrically arranged at the top position of the rack 1. The two ends of the connecting rod 7 are fixedly connected between the two limiting blocks 6, so that the two sliding blocks 5 can drive the connecting rod 7 to move up and down in cooperation with the two limiting blocks 6, and the height of the pressing wheel 12 can be adjusted.

[0032] Referring to Figure 1 and Figure 2 The inner wall of the moving block 8 is provided with a sliding hole, and the connecting rod 7 is arranged at the inner wall position of the sliding hole. The inner wall of the moving block 8 is provided with an electromagnetic block, and the connecting rod 7 is made of magnetic material. The moving block 8 can slide at the outer edge position of the connecting rod 7, and the connecting beam 9 and the pressing wheel 12 can be adjusted to different positions. The electromagnetic block is started to stably adsorb the connecting rod 7, so as to position the moving block 8 and prevent it from sliding, and then the connecting beam 9 is positioned.

[0033] Working principle: when the damaged pressing wheel 12 needs to be replaced, the pulling plate 18 can be pulled first to drive the insertion rod 14 to move until the end of the insertion rod 14 away from the pulling plate 18 is separated from the inner wall position of the insertion block 11, and then the insertion block 11 can be taken out from the inner wall position of the insertion hole 10, so as to realize the disassembly of the pressing wheel 12. Then a new pressing wheel 12 is taken to insert the insertion block 11 into the inner wall position of the insertion hole 10, and the pulling plate 18 can be released. At this time, the end of the insertion rod 14 away from the pulling plate 18 is reset to the inner wall position of the insertion block 11 by the action force of the spring 16, so as to stably install the insertion block 11 in the inner wall position of the insertion hole 10, complete the replacement and installation of the pressing wheel 12, and start the motor 3 to drive the screw rod 4 to rotate. Then the connecting rod 7 can be driven to move up and down by the screw rod 4 in cooperation with the two sliding blocks 5 and the two limiting blocks 6, so as to adjust the height of the pressing wheel 12.

[0034] The above merely provides the preferred embodiments of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical scheme and the utility model concept of the present application, makes equivalent replacement or change within the technical scope disclosed by the present application, should be covered within the protection scope of the present application.

Claims

1. A gripper device of a printing press, comprising a frame (1), characterized in that, The top of the rack (1) is fixedly provided with a positioning rod (2), the top of the positioning rod (2) is fixedly provided with a motor (3), the power output shaft of the motor (3) is fixedly provided with a lead screw (4), the outer edge of the lead screw (4) is threadedly connected with a sliding block (5), the outer side of the sliding block (5) is fixedly provided with a limiting block (6), the side wall of the limiting block (6) is fixedly connected with a connecting rod (7), the outer edge of the connecting rod (7) is slidingly connected with two moving blocks (8), the bottom of the moving block (8) is fixedly connected with a connecting beam (9), the bottom of the connecting beam (9) is provided with a jack (10), the inner wall of the jack (10) is inserted with a plug (11), the bottom of the plug (11) is fixedly provided with a pressing wheel (12), the side wall of the connecting beam (9) is fixedly provided with a protective cover (13), the inner wall of the protective cover (13) is slidingly connected with a plug rod (14), the outer edge of the plug rod (14) is fixedly provided with a gasket one (15), the outer edge of the plug rod (14) is movably sleeved with a spring (16), and the outer edge of the plug rod (14) is slidingly connected with a gasket two (17).

2. A gripper device for a printing press according to claim 1, characterized in that The spring (16) is arranged at the intermediate position between the gasket two (17) and the gasket one (15), one end of the plug rod (14) close to the gasket two (17) is fixedly connected with a pull plate (18), the outer side of the protective cover (13) is provided with a through hole, and the through hole penetrates the protective cover (13) and the plug (11) to the inner wall position of the connecting beam (9), the plug rod (14) is slidingly connected to the inner wall position of the through hole, and the outer edge diameter of the plug rod (14) is matched with the inner wall diameter of the through hole.

3. A gripper device for a printing press according to claim 1, characterized in that The inner wall of the sliding block (5) is provided with a threaded hole, the lead screw (4) is threadedly connected to the inner wall position of the threaded hole, and the sliding block (5) is slidingly connected to the inner wall position of the positioning rod (2).

4. A gripper device for a printing press according to claim 1, characterized in that The inner wall bottom of the positioning rod (2) is fixedly provided with a positioning ring, and the bottom end of the lead screw (4) is rotatably connected to the inner wall position of the positioning ring.

5. A gripper device for a printing press according to claim 1, characterized in that The number of the positioning rod (2), the motor (3), the lead screw (4), the sliding block (5) and the limiting block (6) is two, and the two positioning rods (2), the motors (3), the lead screws (4), the sliding blocks (5) and the limiting blocks (6) are symmetrically arranged at the top position of the rack (1), and the two ends of the connecting rod (7) are fixedly connected with the two limiting blocks (6).

6. A gripper device for a printing press according to claim 1, characterized in that The inner wall of the moving block (8) is provided with a sliding hole, the connecting rod (7) is arranged at the inner wall position of the sliding hole, the inner wall of the moving block (8) is provided with an electromagnetic block, and the connecting rod (7) is made of magnetic material.

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