Coining cylinder of printing machine

Abstract

The utility model relates to the technical field of printing press coining, and provides a printing press coining roller which comprises a base, a fixed body, a movable body, a connecting block, a limiting groove and a movable groove, the fixed body is fixedly connected to the upper wall of the base, a sliding groove is formed in the base, and the movable body is connected to the inner wall of the sliding groove in a sliding mode; limiting grooves are formed in the fixed body and the movable body, and connecting blocks are slidably connected to the inner walls of the limiting grooves; and compression roller assemblies are arranged on the inner walls of the fixing body and the connecting block. Through the arrangement of a connecting block and a hydraulic rod, when an upper pressing roller and a lower pressing roller work, the extrusion force can be adjusted to adapt to different paper shapes, the compatibility of the device is wider, through a pressing piece device, when the device carries out different pattern pressing, operation of different patterns can be carried out by replacing a pressing piece, and through the arrangement of a fixing rod, the device is more convenient to use. And the position of the pressing sheet can be fixed, and the knurling enables the lines not to deviate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the printing press printing pressure technical field, concretely relates to a printing press printing pressure cylinder. BACKGROUND

[0002] A machine for printing characters and images. A modern printing press generally consists of a plate mounting, ink application, impression, paper conveying and other mechanisms. Its working principle is to first make the characters and images to be printed into printing plates, which are mounted on the printing press, then the ink is applied to the places with characters and images on the printing plate by manual or printing press, and then transferred to paper or other printing materials directly or indirectly, thereby copying the same printing plate to copy the same printing plate.

[0003] The authorized patent with application number 202321583089.X discloses a printing press impression cylinder structure: a fixed frame is internally fixedly installed with an auxiliary mechanism, one end of the fixed frame is internally fixedly installed with a fixed mechanism, the inside of the fixed mechanism is clamped and installed with a fixed shaft, and the outside of the fixed shaft is slidably installed with an impression cylinder body. The utility model discloses a fixed frame internally fixedly installed with an auxiliary mechanism, when foreign matter adheres to the outside of the impression cylinder body, the electric push rod works, the telescopic end of the electric push rod drives the connecting plate to move, then the connecting plate drives the cleaning brush to approach the outside of the impression cylinder body, at this time, the motor works to drive the impression cylinder body to rotate, so that the cleaning brush can clean the outside of the impression cylinder body, thereby avoiding the adhesion of foreign matter on the outside of the impression cylinder body, affecting the impression effect of the impression cylinder body on the material, and further affecting the use of personnel.

[0004] However, in the implementation of the related technology, the above technical scheme has the following problems: in use, the device cannot output different extrusion forces, and different forces are required for different paper and different lines for impression, and if it cannot be adjusted in time, only the whole device can be replaced, therefore, a printing press impression cylinder is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a printing press impression cylinder, solves the problem that in the related art, the device cannot output different extrusion forces in use, and different forces are required for different paper and different lines for impression, and if it cannot be adjusted in time, only the whole device can be replaced, therefore, a printing press impression cylinder is proposed to solve the above problems.

[0006] The technical solution of this utility model is as follows: A printing roller for a printing machine includes: a base, a fixed body, a movable body, a connecting block, a limiting groove and a moving groove. The fixed body is fixedly connected to the upper wall of the base, and a sliding groove is provided inside the base. The movable body is slidably connected to the inner wall of the sliding groove.

[0007] Both the fixed body and the movable body have limit grooves inside, and the inner wall of the limit groove is slidably connected to a connecting block.

[0008] The inner walls of both the fixing body and the connecting block are equipped with pressure roller assemblies;

[0009] A hydraulic rod is fixedly connected inside the limiting groove, and the output end of the hydraulic rod is fixedly connected to the lower wall of the connecting block.

[0010] Preferably, the pressure roller assembly includes an upper pressure roller and a lower pressure roller. A fixed cover is threaded to the inner wall of one end of the upper pressure roller, and a fixed cover is threaded to the inner wall of one end of the lower pressure roller. Pressure plates are sleeved on the outer walls of both the upper and lower pressure rollers. One end of the upper pressure roller is rotatably connected to the inner wall of the fixed body, and one end of the lower pressure roller is rotatably connected to the inner wall of the connecting block.

[0011] Preferably, a motor is fixedly connected to the outer wall of the fixing body, and the output end of the motor is fixedly connected to one end of the upper pressure roller.

[0012] Preferably, the inner wall of the fixed body is rotatably connected to a screw, and the screw is threadedly connected to the movable body.

[0013] Preferably, the upper wall of the base is provided with a movable groove, the inner wall of the movable groove is rotatably connected with a bidirectional screw, the inner wall of the movable groove is slidably connected with a movable column, and the bidirectional screw is threadedly connected to the movable column.

[0014] Preferably, a slider is slidably connected to the inner wall of the movable column, a rotating column is fixedly connected to one side of the outer wall of the slider, a guide block is fixedly connected to the other end of the rotating column, a fixing bolt is threaded to the inner wall of the slider, the fixing bolt passes through the movable column, and the fixing bolt and the slider together clamp the movable column.

[0015] The working principle and beneficial effects of this utility model are as follows:

[0016] By using connecting blocks and hydraulic rods, the pressure of the upper and lower pressure rollers can be adjusted during operation to adapt to different paper shapes, making the device more compatible. The pressing device allows the device to perform different embossing patterns by changing the pressing plates. The fixing rods ensure that the position of the pressing plates is fixed, preventing the embossing pattern from shifting. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a front view structural diagram of the present utility model;

[0020] Figure 3 This is a cross-sectional perspective view of the fixing cover of this utility model;

[0021] Figure 4 This is a schematic cross-sectional view of the upper pressure roller of this utility model.

[0022] In the diagram: 1. Base; 2. Fixing body; 3. Pressure roller assembly; 301. Upper pressure roller; 302. Lower pressure roller; 303. Pressure plate; 304. Fixing cover; 4. Moving body; 5. Slide groove; 6. Hydraulic rod; 7. Connecting block; 8. Limiting groove; 9. Screw; 10. Moving groove; 11. Moving column; 12. Bidirectional screw; 13. Slider; 14. Fixing bolt; 15. Rotating column; 16. Guide block; 17. Motor. Detailed Implementation

[0023] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0024] Implementation

[0025] Please see Figure 1 -4, an printing press roller for a printing press, comprising: a base 1, a fixed body 2, a movable body 4, a connecting block 7, a limiting groove 8 and a moving groove 10, wherein the fixed body 2 is fixedly connected to the upper wall of the base 1, and a sliding groove 5 is provided inside the base 1, and the movable body 4 is slidably connected to the inner wall of the sliding groove 5.

[0026] Both the fixed body 2 and the movable body 4 have limit grooves 8 inside, and the inner wall of the limit groove 8 is slidably connected to a connecting block 7.

[0027] The inner walls of both the fixing body 2 and the connecting block 7 are equipped with pressure roller assemblies 3;

[0028] A hydraulic rod 6 is fixedly connected inside the limiting groove 8, and the output end of the hydraulic rod 6 is fixedly connected to the lower wall of the connecting block 7.

[0029] The technical solution provided in this embodiment is as follows: First, adjust the length of the hydraulic rod 6 to lower the lower pressure roller 302. Then, introduce the paper between the upper and lower pressure rollers and pass it through. Next, raise the hydraulic rod 6. After the upper and lower pressure rollers contact the paper, make the force output by the hydraulic rod 6 reach the preset value. Then, adjust the bidirectional screw 12 and the height of the guide block 16. Then, adjust the angle of the guide block 16 by rotating the column 15. After the two guide blocks 16 hold the paper, fix the height of the guide block 16 by fixing bolt 14. Next, start the motor 17. The start of the motor 20 drives the upper pressure roller 3 to rotate, so that the upper and lower pressure rollers press the paper. Adjust different imprint patterns. First, rotate the screw 9 to output the moving body 4 backward. Then, rotate the fixing cover 304, take out the fixing cover 304, take out the pressure plate 303, and replace the new pressure plate 303. Then, reinstall the fixing cover 304. Then, rotate the screw 9 to move the moving body 4 forward and reinsert the other end of the fixing cover 304 into the moving body 4.

[0030] Furthermore, the pressure roller assembly 3 includes an upper pressure roller 301 and a lower pressure roller 302. A fixing cover 304 is threadedly connected to the inner wall of one end of the upper pressure roller 301, and a fixing cover 304 is threadedly connected to the inner wall of one end of the lower pressure roller 302. Pressure plates 303 are sleeved on the outer walls of both the upper pressure roller 301 and the lower pressure roller 302. One end of the upper pressure roller 301 is rotatably connected to the inner wall of the fixing body 2, and one end of the lower pressure roller 302 is rotatably connected to the inner wall of the connecting block 7.

[0031] Specifically, by setting the fixing cover 304, when the tablet 303 is replaced, the fixing cover 034 can be removed to replace the tablet 303 and fix it after installation.

[0032] Furthermore, a motor 17 is fixedly connected to the outer wall of the fixed body 2, and the output end of the motor 17 is fixedly connected to one end of the upper pressure roller 301.

[0033] Specifically, motor 17 can provide power output to the upper pressure roller 3, so that the device can maintain continuous power output when printing.

[0034] Furthermore, the inner wall of the fixed body 2 is rotatably connected to a screw 9, which is threadedly connected to the movable body 4.

[0035] Specifically, the screw 9 is threadedly connected to the movable body 4, allowing the movable body 4 to move back and forth as the screw 9 rotates, making it more convenient to replace the upper and lower pressure rollers and the pressure plate 10.

[0036] Furthermore, the upper wall of the base 1 is provided with a movable groove 10, the inner wall of the movable groove 10 is rotatably connected with a bidirectional screw 12, the inner wall of the movable groove 10 is slidably connected with a movable column 11, and the bidirectional screw 12 is threadedly connected to the movable column 11.

[0037] Specifically, the bidirectional screw 12 allows the spacing between the two guide blocks 16 to be adjusted, enabling the guide block 19 to be limited when guiding paper of different heights.

[0038] Furthermore, a slider 13 is slidably connected to the inner wall of the movable column 11, a rotating column 15 is fixedly connected to one side of the outer wall of the slider 13, a guide block 16 is fixedly connected to the other end of the rotating column 15, and a fixing bolt 14 is threadedly connected to the inner wall of the slider 13. The fixing bolt 14 passes through the movable column 11, and the fixing bolt 14 and the slider 13 together clamp the movable column 11.

[0039] Specifically, by setting the rotating column 15, the tilt angle of the guide block 16 can be adjusted in a timely manner, effectively limiting the paper input at different angles, so that the paper will not deviate when inputting.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A platen of a printing press, comprising: The base (1), the fixed body (2), the moving body (4), the connecting block (7), the limiting groove (8) and the moving groove (10), characterized in that the fixed body (2) is fixedly connected to the upper wall of the base (1), the base (1) is internally provided with a sliding groove (5), and the moving body (4) is slidably connected to the inner wall of the sliding groove (5); The fixed body (2) and the moving body (4) are internally provided with limiting grooves (8), and the inner walls of the limiting grooves (8) are slidably connected with connecting blocks (7); The inner walls of the fixed body (2) and the connecting block (7) are provided with compression roller assemblies (3); The limiting groove (8) is internally fixedly connected with a hydraulic rod (6), and the output end of the hydraulic rod (6) is fixedly connected to the lower wall of the connecting block (7).

2. A platen cylinder for a printing press according to claim 1, wherein: The compression roller assembly (3) comprises an upper compression roller (301) and a lower compression roller (302), one end of the inner wall of the upper compression roller (301) is threadedly connected with a fixed cover (304), one end of the inner wall of the lower compression roller (302) is threadedly connected with a fixed cover (304), the outer walls of the upper compression roller (301) and the lower compression roller (302) are both sleeved with compression plates (303), one end of the upper compression roller (301) is rotatably connected to the inner wall of the fixed body (2), and one end of the lower compression roller (302) is rotatably connected to the inner wall of the connecting block (7).

3. A platen cylinder for a printing press as defined in claim 1, characterized in that: The outer wall of the fixed body (2) is fixedly connected with a motor (17), and the output end of the motor (17) is fixedly connected to one end of the upper compression roller (301).

4. A platen cylinder for a printing press as claimed in claim 1, characterized in that: The inner wall of the fixed body (2) is rotatably connected with a screw rod (9), and the screw rod (9) is threadedly connected with the moving body (4).

5. A platen cylinder for a printing press as defined in claim 1, wherein: The upper wall of the base (1) is provided with a moving groove (10), the inner wall of the moving groove (10) is rotatably connected with a bidirectional screw rod (12), the inner wall of the moving groove (10) is slidably connected with a moving column (11), the bidirectional screw rod (12) is threadedly connected with the moving column (11).

6. A platen cylinder for a printing press as claimed in claim 5 wherein: The inner wall of the moving column (11) is slidably connected with a sliding block (13), one side of the outer wall of the sliding block (13) is fixedly connected with a rotating column (15), the other end of the rotating column (15) is fixedly connected with a guide block (16), the inner wall of the sliding block (13) is threadedly connected with a fixed bolt (14), the fixed bolt (14) penetrates through the moving column (11), and the fixed bolt (14) and the sliding block (13) jointly clamp the moving column (11).

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