A PET film pre-coating device for film processing

Abstract

The utility model discloses a PET film pre-coating device for film processing, comprising a frame, the inner wall of the frame is rotatably connected with a glue coating roller, a pressing roller is arranged above the glue coating roller, telescopic components are arranged at both ends of the pressing roller, a penetration plate is penetrated through one side of the frame, a driving component for driving the penetration plate to move is installed on the side wall of the frame, and a moving tube is fixedly connected to one end of the penetration plate. According to the utility model, the first motor is started, and the output shaft of the first motor rotates with the rotating disk, so that the connecting rod moves back and forth horizontally with the moving tube through the penetration plate, so that multiple nozzles swing horizontally continuously, and the second motor is started at the same time, and the output shaft of the second motor rotates with the glue coating roller, so that the glue is evenly sprayed on the surface of the glue coating roller, which can avoid a large amount of glue adhering to the glue coating roller and reduce the waste of glue.

Description

Technical Field

[0001] The utility model relates to the technical field of PET film pre-coating, in particular to a PET film pre-coating device for film processing. Background Art

[0002] PET film is widely used in printing medical imaging reports or company-related logos, trademarks, advertisements or technical information due to its high temperature resistance, difficulty in melting, easy peeling, and no residue after peeling from the surface of the exposed product.

[0003] During the film processing, the PET film needs to be coated with glue. Generally, the glue coating device immerses the glue coating roller in the glue tank and coats the glue on the PET film by rotating the glue coating roller. However, when the glue coating roller rotates, more glue will be brought out from the glue tank, resulting in a waste of glue. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a PET film pre-coating device for film processing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a PET film pre-coating device for film processing, comprising a frame, an inner wall of the frame is rotatably connected to a glue coating roller, a pressing roller is arranged above the glue coating roller, telescopic components are arranged at both ends of the pressing roller, a penetration plate is penetrated through one side of the frame, a driving component for driving the penetration plate to move is installed on the side wall of the frame, a moving tube is fixedly connected to one end of the penetration plate, a plurality of nozzles are fixedly connected to the upper surface of the moving tube, a glue supply component is installed inside the frame, a fixed plate is fixedly connected to the inner wall of the frame, and a glue scraping component is installed on the side wall of the fixed plate.

[0006] As a further description of the above technical solution:

[0007] The telescopic assembly includes a mounting block fixedly connected to the inner wall of the frame, a telescopic rod fixedly connected to the lower surface of the mounting block, a mounting ring fixedly connected to the end of the telescopic rod, an end of the clamping roller rotatably connected to the inside of the mounting ring, a connecting spring sleeved on the outer surface of the telescopic rod, one end of the connecting spring fixedly connected to the lower surface of the mounting block, and the other end of the connecting spring fixedly connected to the mounting ring.

[0008] As a further description of the above technical solution:

[0009] The driving assembly includes a mounting seat fixedly connected to the side wall of the frame, a first motor is fixedly connected to the lower surface of the mounting seat, a rotating disk is fixedly connected to the output shaft of the first motor, a connecting rod is rotatably connected to the eccentric portion of the outer surface of the rotating disk, and the other end of the connecting rod is rotatably connected to the surface of the through-plate.

[0010] As a further description of the above technical solution:

[0011] The glue supply assembly includes a glue box and a pump body fixedly connected to the bottom of the frame, the inlet of the pump body is fixedly connected to a first mounting pipe, the end of the first mounting pipe is connected to the glue box, the outlet of the pump body is fixedly connected to a second mounting pipe, the end of the second mounting pipe is fixedly connected to a hose, and the end of the hose is fixedly connected to the moving pipe.

[0012] As a further description of the above technical solution:

[0013] The scraper assembly comprises a driving cylinder fixedly connected to the side wall of the fixed plate, and the piston end of the driving cylinder is fixedly connected to the scraper plate.

[0014] As a further description of the above technical solution:

[0015] A second motor is fixedly connected to the side wall of the frame, an output shaft of the second motor is fixedly connected to a first pulley, one end of the glue coating roller is fixedly connected to a second pulley, and the first pulley and the second pulley are connected via a belt transmission.

[0016] As a further description of the above technical solution:

[0017] The inner wall of the frame is rotatably connected with a tensioning roller.

[0018] The utility model has the following beneficial effects:

[0019] 1. Compared with the prior art, the PET film pre-coating device for film processing starts the first motor, and the output shaft of the first motor rotates the rotating disk, so that the connecting rod moves back and forth horizontally with the moving tube through the through plate, so that the multiple nozzles swing horizontally continuously, and at the same time, the second motor is started, and the output shaft of the second motor rotates the glue coating roller, so that the glue is evenly sprayed onto the surface of the glue coating roller, which can avoid a large amount of glue adhering to the glue coating roller and reduce the waste of glue.

[0020] 2. Compared with the prior art, the PET film pre-coating device for film processing starts the driving cylinder, and the piston end of the driving cylinder can move with the scraper, so that the scraper is close to the glue coating roller to scrape the glue on the surface of the glue coating roller, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a first-view stereoscopic diagram of a PET film pre-coating device for film processing proposed by the utility model;

[0022] Figure 2 This is a second perspective stereogram of a PET film pre-coating device for film processing proposed by the utility model;

[0023] Figure 3 This is a cross-sectional view of a PET film pre-coating device for film processing proposed by the utility model;

[0024] Figure 4 The utility model provides a PET film pre-coating device for film processing. Figure 1 A partial enlarged view of middle A.

[0025] Legend:

[0026] 1. Frame; 2. Glue coating roller; 3. Clamping roller; 4. Mounting block; 5. Telescopic rod; 6. Mounting ring; 7. Connecting spring; 8. Through plate; 9. Moving tube; 10. Spray nozzle; 11. Glue tank; 12. Pump body; 13. Mounting seat; 14. First motor; 15. Rotating disk; 16. Connecting rod; 17. Fixed plate; 18. Driving cylinder; 19. Glue scraper; 20. Second motor; 21. Tensioning roller. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figures 1 to 4 The utility model provides a PET film pre-coating device for film processing: comprising a frame 1, a glue coating roller 2 is rotatably connected to the inner wall of the frame 1, a pressing roller 3 is arranged above the glue coating roller 2, a second motor 20 is fixedly connected to the side wall of the frame 1, an output shaft of the second motor 20 is fixedly connected to a first pulley, one end of the glue coating roller 2 is fixedly connected to a second pulley, the first pulley and the second pulley are connected through a belt transmission, the second motor 20 is started, the output shaft of the second motor 20 drives the glue coating roller 2 to rotate, and the inner wall of the frame 1 is rotatably connected to a tensioning roller 21;

[0029] Reference Figure 1 and Figure 4In order to achieve the purpose of adjusting the position of the pressing roller 3, telescopic components are provided at both ends of the pressing roller 3, and the telescopic components include a mounting block 4 fixedly connected to the inner wall of the frame 1, a telescopic rod 5 is fixedly connected to the lower surface of the mounting block 4, and a mounting ring 6 is fixedly connected to the end of the telescopic rod 5. The end of the pressing roller 3 is rotatably connected to the inside of the mounting ring 6, and a connecting spring 7 is sleeved on the outer surface of the telescopic rod 5. One end of the connecting spring 7 is fixedly connected to the lower surface of the mounting block 4, and the other end of the connecting spring 7 is fixedly connected to the mounting ring 6. Since the telescopic components are provided at both ends of the pressing roller 3, the pressing roller 3 can be adjusted up and down by itself, which is suitable for PET films of different thicknesses;

[0030] Reference Figure 1 In order to achieve the purpose of stable movement of the through-plate 8, a through-plate 8 is provided on one side of the frame 1, and a driving assembly for driving the through-plate 8 to move is installed on the side wall of the frame 1, and the driving assembly includes a mounting seat 13 fixedly connected to the side wall of the frame 1, and a first motor 14 is fixedly connected to the lower surface of the mounting seat 13, and a rotating disk 15 is fixedly connected to the output shaft of the first motor 14, and a connecting rod 16 is rotatably connected to the eccentric portion of the outer surface of the rotating disk 15, and the other end of the connecting rod 16 is rotatably connected to the surface of the through-plate 8;

[0031] Reference Figure 2 and Figure 3 In order to achieve the purpose of spraying glue on the surface of the glue coating roller 2, a moving tube 9 is fixedly connected to one end of the penetration plate 8, and a plurality of nozzles 10 are fixedly connected to the upper surface of the moving tube 9. A glue supply assembly is installed inside the frame 1, and the glue supply assembly includes a glue tank 11 and a pump body 12 fixedly connected to the bottom of the frame 1. The inlet of the pump body 12 is fixedly connected to a first mounting tube, and the end of the first mounting tube is connected to the glue tank 11. The outlet of the pump body 12 is fixedly connected to a second mounting tube, and the end of the second mounting tube is fixedly connected to a hose, and the end of the hose is fixedly connected to the moving tube 9. The setting of the hose ensures that the moving tube 9 can move horizontally;

[0032] Reference Figure 1 and Figure 3 In order to achieve the purpose of scraping the glue on the surface of the glue coating roller 2, a fixed plate 17 is fixedly connected to the inner wall of the frame 1, and a scraper assembly is installed on the side wall of the fixed plate 17. The scraper assembly includes a driving cylinder 18 fixedly connected to the side wall of the fixed plate 17, and the piston end of the driving cylinder 18 is fixedly connected to a scraper board 19. When the driving cylinder 18 is started, the piston end of the driving cylinder 18 can move with the scraper board 19, so that the scraper board 19 is close to the glue coating roller 2 to scrape the glue on the surface of the glue coating roller 2.

[0033] Working principle:

[0034] When in use, the staff first passes the PET film around the tension roller 21 and between the glue coating roller 2 and the pressing roller 3. Since both ends of the pressing roller 3 are provided with telescopic components, the pressing roller 3 can be adjusted up and down by itself, which is suitable for PET films of different thicknesses.

[0035] Start the pump body 12, which draws glue from the glue box 11, allowing the glue to enter the inside of the moving tube 9 and finally be sprayed onto the surface of the glue roller 2 through the multiple nozzles 10. Start the first motor 14, and the output shaft of the first motor 14 rotates the rotating disk 15, so that the connecting rod 16 moves horizontally back and forth with the moving tube 9 through the through plate 8, so that the multiple nozzles 10 swing horizontally continuously. At the same time, start the second motor 20, and the output shaft of the second motor 20 rotates the glue roller 2, so that the glue is evenly sprayed onto the surface of the glue roller 2. Start the driving cylinder 18, and the piston end of the driving cylinder 18 can move with the scraper 19, so that the scraper 19 is close to the glue roller 2 to scrape the glue on the surface of the glue roller 2.

[0036] 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 substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PET film pre-coating device for film processing, comprising a frame (1), characterized in that: The inner wall of the frame (1) is rotatably connected to a glue coating roller (2), a pressing roller (3) is arranged above the glue coating roller (2), and telescopic components are arranged at both ends of the pressing roller (3). A penetration plate (8) is penetrated through one side of the frame (1), and a driving component for driving the penetration plate (8) to move is installed on the side wall of the frame (1). A moving tube (9) is fixedly connected to one end of the penetration plate (8), and a plurality of nozzles (10) are fixedly connected to the upper surface of the moving tube (9). A glue supply component is installed inside the frame (1), and a fixing plate (17) is fixedly connected to the inner wall of the frame (1), and a glue scraping component is installed on the side wall of the fixing plate (17).

2. The PET film pre-coating device for film processing according to claim 1, characterized in that: The telescopic assembly comprises a mounting block (4) fixedly connected to the inner wall of the frame (1); a telescopic rod (5) is fixedly connected to the lower surface of the mounting block (4); the end of the telescopic rod (5) is fixedly connected to a mounting ring (6); the end of the abutting roller (3) is rotatably connected to the inside of the mounting ring (6); a connecting spring (7) is sleeved on the outer surface of the telescopic rod (5); one end of the connecting spring (7) is fixedly connected to the lower surface of the mounting block (4); and the other end of the connecting spring (7) is fixedly connected to the mounting ring (6).

3. The PET film pre-coating device for film processing according to claim 1, characterized in that: The driving assembly comprises a mounting seat (13) fixedly connected to the side wall of the frame (1); a first motor (14) is fixedly connected to the lower surface of the mounting seat (13); an output shaft of the first motor (14) is fixedly connected to a rotating disk (15); a connecting rod (16) is rotatably connected to an eccentric portion of the outer surface of the rotating disk (15); and the other end of the connecting rod (16) is rotatably connected to the surface of the through-plate (8).

4. The PET film pre-coating device for film processing according to claim 1, characterized in that: The glue supply assembly comprises a glue box (11) and a pump body (12) fixedly connected to the bottom of the frame (1); the inlet of the pump body (12) is fixedly connected to a first mounting pipe, the end of the first mounting pipe is connected to the glue box (11); the outlet of the pump body (12) is fixedly connected to a second mounting pipe, the end of the second mounting pipe is fixedly connected to a hose, and the end of the hose is fixedly connected to the moving pipe (9).

5. The PET film pre-coating device for film processing according to claim 1, characterized in that: The scraper assembly comprises a driving cylinder (18) fixedly connected to the side wall of a fixed plate (17), and a scraper plate (19) is fixedly connected to the piston end of the driving cylinder (18).

6. The PET film pre-coating device for film processing according to claim 1, characterized in that: A second motor (20) is fixedly connected to the side wall of the frame (1), an output shaft of the second motor (20) is fixedly connected to a first pulley, one end of the glue coating roller (2) is fixedly connected to a second pulley, and the first pulley and the second pulley are connected via a belt drive.

7. The PET film pre-coating device for film processing according to claim 1, characterized in that: The inner wall of the frame (1) is rotatably connected to a tensioning roller (21).

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