Composite printing machine with back coating function

Abstract

The utility model relates to the technical field of printing, and discloses a composite printing machine with a back coating function, which comprises a base, the upper surface of the base is fixedly connected with a shell, the inner wall of the shell is fixedly connected with a hydraulic pump, the output end of the hydraulic pump is fixedly connected with a compression roller, and the compression roller is fixedly connected with the base. A connecting block is fixedly connected to the outer wall of the pressing roller, the other end of the pressing roller is slidably connected to the inner wall of the shell, a first rocker is rotatably connected to the outer wall of the connecting block, a first rotating shaft is rotatably connected to the inner wall of the first rocker, and a rotating disc is fixedly connected to the outer wall of the first rotating shaft. The hydraulic pump is started to drive the compression roller to move, the connecting block drives the rotating disc to rotate through the first rocker, the rotating disc drives the supporting roller to move left and right through the second rocker, the distance between the compression roller and the printing roller and the distance between the back coating roller and the supporting roller are adjusted and controlled at the same time, and the requirements for printing and back coating of paper with different thicknesses are met.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to a composite printing machine with a back coating function. Background Art

[0002] Printing technology is a broad field encompassing various methods for transferring text and images onto paper or other materials. A back-coating press is typically a press capable of performing a back-coating process. This equipment is primarily used to apply a coating to the back of paper or other materials to provide additional protection, enhance adhesion, or improve print quality.

[0003] However, the position of the embossing rollers of traditional back-coated printing machines is fixed, resulting in a fixed gap between them for inserting paper. Forced printing will result in unclear printing or paper deformation, and cannot meet the needs of printing on paper of different thicknesses. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a composite printing machine with a back coating function, which is intended to improve the printing requirements that cannot meet the different thicknesses of paper.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a composite printing machine with a back-coating function, comprising a base, the upper surface of the base is fixedly connected to a shell, the inner wall of the shell is fixedly connected to a hydraulic pump, the output end of the hydraulic pump is fixedly connected to a pressure roller, the outer wall of the pressure roller is fixedly connected to a connecting block, the other end of the pressure roller is slidably connected to the inner wall of the shell, the outer wall of the connecting block is rotatably connected to a first rocking arm, the inner wall of the first rocking arm is rotatably connected to a first rotating shaft, the outer wall of the first rotating shaft is fixedly connected to a turntable, the inner wall of the turntable is rotatably connected to a mandrel, the outer wall of the mandrel is fixedly connected to the inner wall of the shell, the outer wall of the turntable is fixedly connected to a second rotating shaft, the outer wall of the second rotating shaft is rotatably connected to a second rocking arm, the inner wall of the second rocking arm is rotatably connected to a supporting roller, the outer wall of the supporting roller is slidably connected to the inner wall of the shell, and a printing component is provided on the inner wall of the shell, and the printing component is used for printing.

[0006] Preferably, the printing assembly includes a first motor, an outer wall of the first motor is fixedly connected to the inner wall of the housing, an output end of the first motor is fixedly connected to a printing roller, and an outer wall of the printing roller is rotatably connected to the inner wall of the housing.

[0007] Preferably, the inner wall of the shell is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a back coating roller, the outer wall of the back coating roller is rotatably connected to the inner wall of the shell, and the inner wall of the shell is fixedly connected to a guide roller.

[0008] Preferably, the inner wall of the shell is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a fixing rod, the outer wall of the fixing rod is slidably connected to the inner wall of the shell, and the outer wall of the fixing rod is fixedly connected to a cleaning box.

[0009] Preferably, a water pump is fixedly connected to the inner wall of the cleaning box, and an output end of the water pump is fixedly connected to a drain pipe.

[0010] Preferably, a spray head is fixedly connected to the inner wall of the drain pipe, and an outer wall of the spray head is fixedly connected to the inner wall of the cleaning box.

[0011] Preferably, the outer wall of the cleaning box is fixedly connected to a telescopic rod, the telescopic rod is slidably connected to the inner wall of the shell, the outer wall of the telescopic rod is fixedly connected to a crank, and the outer wall of the crank is fixedly connected to a pin.

[0012] Preferably, bristles are fixed to the outer wall of the cleaning box.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the pressure roller is driven to move by starting the hydraulic pump, the connecting block drives the turntable to rotate through the first rocker, and the turntable drives the support roller to move left and right through the second rocker, so as to realize the simultaneous regulation of the distance between the pressure roller, the printing roller and the back coating roller and the support roller to meet the requirements of printing and back coating of paper of different thicknesses.

[0015] 2. In the utility model, the cleaning box is driven up and down by a hydraulic pump, and the crank is turned to drive the cleaning box to first spray the cleaning agent on the back coating roller through the water pump, and then the cleaning box is rotated to make the bristles face the back coating roller, and the motor is started to drive the back coating roller to rotate, thereby realizing self-cleaning of the back coating roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a composite printing machine with back coating function proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of a turntable of a composite printing machine with back coating function proposed by the present invention;

[0018] Figure 3 This is a schematic diagram of a cleaning box of a composite printing machine with back coating function proposed by the present invention;

[0019] Figure 4 This is a schematic diagram of a spray head of a composite printing machine with back coating function proposed by the present invention.

[0020] Legend:

[0021] 1. Base; 2. Housing; 3. Hydraulic pump; 4. Pressure roller; 5. Connecting block; 6. First rocker; 7. First rotating shaft; 8. Turntable; 9. Spindle; 10. Second rotating shaft; 11. Second rocker; 12. Support roller; 13. First motor; 14. Printing roller; 15. Second motor; 16. Back coating roller; 17. Guide roller; 18. Hydraulic cylinder; 19. Fixed rod; 20. Cleaning box; 21. Water pump; 22. Drain pipe; 23. Sprinkler head; 24. Bristles; 25. Telescopic rod; 26. Crank handle; 27. Latch. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Reference Figure 1-Figure 3 , the utility model provides an embodiment: a composite printing machine with a back coating function, including a base 1, the upper surface of the base 1 is fixedly connected to a shell 2, the inner wall of the shell 2 is fixedly connected to a hydraulic pump 3, the output end of the hydraulic pump 3 is fixedly connected to a pressure roller 4, the outer wall of the pressure roller 4 is fixedly connected to a connecting block 5, the other end of the pressure roller 4 is slidably connected to the inner wall of the shell 2, the outer wall of the connecting block 5 is rotatably connected to a first rocking arm 6, the inner wall of the first rocking arm 6 is rotatably connected to a first rotating shaft 7, the outer wall of the first rotating shaft 7 is fixedly connected to a turntable 8, the inner wall of the turntable 8 is rotatably connected to a spindle 9, the outer wall of the spindle 9 is fixedly connected to the inner wall of the shell 2, the outer wall of the turntable 8 is fixedly connected to a second rotating shaft 10, the second rotating shaft The outer wall of 10 is rotatably connected to a second rocking arm 11, the inner wall of the second rocking arm 11 is rotatably connected to a support roller 12, the outer wall of the support roller 12 is slidably connected to the inner wall of the shell 2, the inner wall of the shell 2 is provided with a printing assembly, the printing assembly is used for printing, the printing assembly includes a first motor 13, the outer wall of the first motor 13 is fixedly connected to the inner wall of the shell 2, the output end of the first motor 13 is fixedly connected to a printing roller 14, the outer wall of the printing roller 14 is rotatably connected to the inner wall of the shell 2, the inner wall of the shell 2 is fixedly connected to a second motor 15, the output end of the second motor 15 is fixedly connected to a back coating roller 16, the outer wall of the back coating roller 16 is rotatably connected to the inner wall of the shell 2, and the inner wall of the shell 2 is fixedly connected to a guide roller 17;

[0024] Specifically, first start the hydraulic pump 3 to drive the pressure roller 4 to slide up and down in the slide groove of the shell 2, adjust the distance between the pressure roller 4 and the printing roller 14, and the pressure roller 4 drives the first rocker 6 to rotate through the connecting block 5 fixed on the outer wall. The first rocker 6 drives the first rotating shaft 7 fixed on the turntable 8 to rotate, thereby driving the turntable 8 to rotate. The second rotating shaft 10 on the turntable 8 drives the rotation of the second rocker 11. The second rocker 11 pulls the support roller 12 to slide left and right in the slide groove of the shell 2. The support roller 12 slides left and right to change the distance between it and the back coating roller 16. Start the first motor 13 and the second motor 15. The paper is first printed by the pressure roller 4 and the rotating printing roller 14, and then back-coated by the support roller 12 and the rotating back coating roller 16. Finally, it is guided out by the lower guide roller 17 to complete printing and back coating.

[0025] Reference Figure 1 、 Figure 3 and Figure 4 The inner wall of the shell 2 is fixedly connected to a hydraulic cylinder 18, the output end of the hydraulic cylinder 18 is fixedly connected to a fixed rod 19, the outer wall of the fixed rod 19 is slidably connected to the inner wall of the shell 2, the outer wall of the fixed rod 19 is fixedly connected to a cleaning box 20, the inner wall of the cleaning box 20 is fixedly connected to a water pump 21, the output end of the water pump 21 is fixedly connected to a drain pipe 22, the inner wall of the drain pipe 22 is fixedly connected to a spray head 23, the outer wall of the spray head 23 is fixedly connected to the inner wall of the cleaning box 20, the outer wall of the cleaning box 20 is fixedly connected to a telescopic rod 25, the telescopic rod 25 is slidably connected to the inner wall of the shell 2, the outer wall of the telescopic rod 25 is fixedly connected to a crank 26, the outer wall of the crank 26 is fixedly connected to a latch 27, and the outer wall of the cleaning box 20 is fixed with bristles 24.

[0026] The cleaning box 20 is rotated so that the bristles 24 on the other side are aligned with the back coating roller 16, and the pin 27 is inserted into the hole reserved in the shell 2 by pushing the crank 26 to fix the cleaning box 20, thereby fixing the position of the bristles 24. Due to the rotation of the back coating roller 16, the bristles 24 provided in the upper cleaning box 20 clean the entire back coating roller 16. A water collection trough and a water flow hole are opened on the upper surface of the base 1 to facilitate the outflow of the cleaning agent and prevent contamination of the printing press.

[0027] Working principle: When using this device, first start the hydraulic pump 3 to drive the pressure roller 4 at the output end to move up and down, so that the gap between the pressure roller 4 and the printing roller 14 changes, and at the same time the pressure roller 4 drives the connecting block 5 to move up and down, and the connecting block 5 drives one end of the first rocker 6 to rotate, and the first rocker 6 drives the turntable 8 to rotate on the spindle 9, and the turntable 8 drives the second rocker 11 to rotate through the second rotating shaft 10 on the outer wall, and the second rocker 11 drives the support roller 12 to move left and right, so that the size of the gap between the back coating roller 16 and the support roller 12 changes to adapt to paper of different thicknesses, and put paper between the pressure roller 4 and the printing roller 14, start the first motor 13 to drive the printing roller 14 at the output end to rotate for printing, and start the second motor 15 to drive the back coating roller 16 at the output end to rotate. The coating roller 16 rotates for back coating. After printing is completed, the hydraulic cylinder 18 is started to drive the fixed rod 19 at the output end to move up and down to drive the cleaning box 20 to move up and down. When the cleaning box 20 drops to a suitable height, the second motor 15 is started to rotate the back coating roller 16. First, the crank 26 is turned to drive the cleaning box 20 to rotate, and the water pump 21 is started to spray the detergent. Then the crank 26 is turned to make the bristles 24 contact with the back coating roller 16, and the crank 26 is pushed to make the pin 27 on the crank 26 insert into the hole of the shell 2 to fix the cleaning box 20. When the back coating roller 16 rotates, the back coating roller 16 will be automatically cleaned. This device can not only meet the printing and back coating needs of papers of different thicknesses, but also can self-clean the back coating roller 16.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A composite printing machine with back coating function, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a housing (2), the inner wall of the housing (2) is fixedly connected to a hydraulic pump (3), the output end of the hydraulic pump (3) is fixedly connected to a pressure roller (4), the outer wall of the pressure roller (4) is fixedly connected to a connecting block (5), the other end of the pressure roller (4) is slidably connected to the inner wall of the housing (2), the outer wall of the connecting block (5) is rotatably connected to a first rocking arm (6), the inner wall of the first rocking arm (6) is rotatably connected to a first rotating shaft (7), the outer wall of the first rotating shaft (7) is fixedly connected to a rotating shaft (7), and the outer wall of the first rotating shaft (7) is fixedly connected to a rotating shaft (7). The turntable (8) is provided with a rotating disk, the inner wall of the turntable (8) is rotatably connected to a spindle (9), the outer wall of the spindle (9) is fixedly connected to the inner wall of the outer shell (2), the outer wall of the turntable (8) is fixedly connected to a second rotating shaft (10), the outer wall of the second rotating shaft (10) is rotatably connected to a second rocker (11), the inner wall of the second rocker (11) is rotatably connected to a support roller (12), the outer wall of the support roller (12) is slidably connected to the inner wall of the outer shell (2), and the inner wall of the outer shell (2) is provided with a printing component, and the printing component is used for printing.

2. The composite printing machine with back coating function according to claim 1, characterized in that: The printing assembly comprises a first motor (13), the outer wall of the first motor (13) is fixedly connected to the inner wall of the housing (2), the output end of the first motor (13) is fixedly connected to a printing roller (14), and the outer wall of the printing roller (14) is rotatably connected to the inner wall of the housing (2).

3. The composite printing machine with back coating function according to claim 1, characterized in that: The inner wall of the housing (2) is fixedly connected to a second motor (15), the output end of the second motor (15) is fixedly connected to a back coating roller (16), the outer wall of the back coating roller (16) is rotatably connected to the inner wall of the housing (2), and the inner wall of the housing (2) is fixedly connected to a guide roller (17).

4. The composite printing machine with back coating function according to claim 1, characterized in that: The inner wall of the housing (2) is fixedly connected to a hydraulic cylinder (18), the output end of the hydraulic cylinder (18) is fixedly connected to a fixed rod (19), the outer wall of the fixed rod (19) is slidably connected to the inner wall of the housing (2), and the outer wall of the fixed rod (19) is fixedly connected to a cleaning box (20).

5. The composite printing machine with back coating function according to claim 4, characterized in that: The inner wall of the cleaning box (20) is fixedly connected to a water pump (21), and the output end of the water pump (21) is fixedly connected to a drain pipe (22).

6. The composite printing machine with back coating function according to claim 5, characterized in that: The inner wall of the drainage pipe (22) is fixedly connected to a spray head (23), and the outer wall of the spray head (23) is fixedly connected to the inner wall of the cleaning box (20).

7. The composite printing machine with back coating function according to claim 4, characterized in that: The outer wall of the cleaning box (20) is fixedly connected to a telescopic rod (25), the telescopic rod (25) is slidably connected to the inner wall of the shell (2), the outer wall of the telescopic rod (25) is fixedly connected to a crank (26), and the outer wall of the crank (26) is fixedly connected to a latch (27).

8. The composite printing machine with back coating function according to claim 4, characterized in that: Brush bristles (24) are fixed to the outer wall of the cleaning box (20).

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