Surface oiling device for PET sheet production

Abstract

The application discloses a surface oiling device for PET sheet production, which comprises an oiling tank, a support is arranged at the bottom of the oiling tank, an oiling roller and an oil pressing roller are rotationally connected in the oiling tank, the oil pressing roller is arranged on one side of the oiling roller, one end of the oiling roller penetrates through the oiling tank and is connected with a power output shaft of a driving motor, the driving motor is fixed on the oiling tank through a motor mounting seat, a material pressing group is arranged on one side of the oiling roller, and an oil scraping roller group is arranged on the side, away from the oil pressing roller, of the oiling roller; the PET sheet is subjected to oiling treatment in a mode that the upper end is sprayed and the lower end is roller coated, so that the PET sheet can be uniformly oiled after passing through the oiling tank, the excessive oil on the oiling roller can be squeezed off through the arrangement of the oil pressing roller, the lower end of the PET sheet is prevented from being excessively smeared, the PET sheet can be pressed through the arrangement of the material pressing group and the oil scraping roller group, the uniformity of smearing of the lower end of the PET sheet by the oiling roller is ensured, and the use amount of silicone oil can be reduced through the arrangement of the oil guide block, and the utilization rate of the silicone oil is improved.

Description

Technical Field

[0001] This application relates to the field of PET sheet production technology, specifically to a surface oiling device for PET sheet production. Background Technology

[0002] PET sheet is a thermoplastic material mainly composed of polyethylene terephthalate (PET) and polybutylene terephthalate (PBT). It is a plastic with excellent transparency, mechanical properties, and chemical resistance, and is widely used in textiles, papermaking, food machinery, transportation, docks, medical, coal mining, chemical, and other industries. It is also used in bearings, guides for food processing machine heads, pistons, screw coils, and other food jigs and parts; bearings for precision machinery; and electrical insulation materials.

[0003] The utility model patent with authorization announcement number CN222695038U discloses a PET sheet oiling device, including a worktable, in which PET sheets are arranged... The clamping and flipping mechanism can be used to fix the PET sheets and drive them to flip.

[0004] Regarding the above solutions, although they can coat both sides of PET sheets with oil, the efficiency is low and it affects the production cycle. Therefore, this application proposes a surface oiling device for PET sheet production to solve this problem. Summary of the Invention

[0005] The technical problem to be solved by this application is to overcome the existing defects and provide a surface oiling device for PET sheet production, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution: a surface oiling device for PET sheet production, comprising an oiling tank, a support at the bottom of the oiling tank, an oiling roller and an oil pressing roller rotatably connected inside the oiling tank, the oil pressing roller being disposed on one side of the oiling roller, one end of the oiling roller passing through the oiling tank and connected to the power output shaft of a drive motor, the drive motor being fixed to the oiling tank via a motor mounting bracket, a pressing material assembly being disposed on one side of the oil pressing roller, an oil scraping roller assembly being disposed on the side of the oiling roller away from the oil pressing roller, an oil spreading plate being disposed between the pressing material assembly and the oil pressing roller, the oil spreading plate being fixed to the top surface inside the oiling tank, at least two nozzles being disposed at the bottom of the oil spreading plate, support and limiting assemblies being disposed on both sides of the oiling tank, and two oil guiding blocks being disposed on the bottom surface inside the oiling tank.

[0007] Furthermore, the support limiting assembly includes a support roller, a mounting plate, and a limiting structure. The support roller is rotatably connected to the mounting plate at both ends. The mounting plate is fixed on the oiling tank, and a limiting structure is provided between the two mounting plates.

[0008] Furthermore, the limiting structure includes a bidirectional lead screw, a handwheel, a slide rod, a movable seat, and a limiting roller. The slide rod is disposed between two mounting plates. A bidirectional lead screw is disposed on one side of the slide rod. One end of the bidirectional lead screw is rotatably connected to the mounting plate, and the other end of the bidirectional lead screw is connected to the handwheel mounted on the mounting plate. The handwheel is rotatably connected to the mounting plate. The outer side of the bidirectional lead screw is connected to the movable seat through a lead screw nut. The movable seat is slidably connected to the slide rod. A limiting roller is vertically disposed on the upper surface of the movable seat, and the limiting roller is rotatably connected to the movable seat.

[0009] Furthermore, the pressing assembly includes a bottom roller, a pressing roller, a first fixed seat, a first guide rod, a first spring, and a first baffle. The bottom roller is rotatably connected inside the oiling tank. A pressing roller is arranged above the bottom roller and is located inside the first fixed seat. Two first guide rods are arranged above the first fixed seat. The first guide rods pass through the oiling tank and are connected to the first baffle. The first guide rods are slidably connected to the oiling tank. A first spring is arranged on the outside of the first guide rod and is located between the first fixed seat and the oiling tank.

[0010] Furthermore, the oil scraper assembly includes a lower scraper roller, an upper scraper roller, a second fixed seat, a second guide rod, a second spring, and a second baffle. The lower scraper roller is rotatably connected inside the oil coating box. The upper scraper roller is positioned above the lower scraper roller and is located inside the second fixed seat. Two second guide rods are positioned above the second fixed seat. The second guide rods pass through the oil coating box and are connected to the second baffle. The second guide rods are also slidably connected to the oil coating box. A second spring is positioned on the outside of the second guide rod and is located between the second fixed seat and the oil coating box.

[0011] Furthermore, a return pipe is provided at the bottom of the oiling tank, a control valve is provided on the outside of the return pipe, an oil tank is provided at the bottom of the return pipe, the oil tank is provided on the bracket, the front side of the oiling tank is connected to the oil tank through an overflow pipe, an oil pump is provided at the rear side of the oil tank, and the oil outlet of the oil pump is connected to the oil distribution plate through a connecting oil pipe.

[0012] Compared with the prior art, this application uses an upper spraying and lower roller coating method to coat PET sheets with oil, so that the PET sheets can be evenly coated with oil after passing through the oiling box. The pressure roller can squeeze out excess oil on the oiling roller, avoiding excessive coating on the lower end of the PET sheet. The pressure assembly and scraper roller assembly can press down on the PET sheet to ensure the uniformity of the coating on the lower end of the PET sheet. The oil guide block can reduce the amount of silicone oil used and improve the utilization rate of silicone oil. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this application; Figure 2 This is the front sectional view of this application.

[0014] In the diagram: 1. Oil coating tank; 2. Support; 3. Oil coating roller; 301. Drive motor; 4. Oil pressing roller; 5. Material pressing group; 6. Bottom roller; 7. Material pressing roller; 8. First fixed seat; 9. First guide rod; 10. First spring; 11. First baffle; 12. Scraping roller group; 13. Lower scraping roller; 14. Upper scraping roller; 15. Second fixed seat; 16. Second guide rod; 17. Second spring; 18. Second baffle; 19. Oil spreading plate; 20. Nozzle; 21. Support and limiting group; 22. Support roller; 23. Mounting plate; 24. Limiting structure; 25. Bidirectional lead screw; 26. Handwheel; 27. Slide rod; 28. Moving seat; 29. ​​Limiting roller; 30. Oil guide block; 31. Return pipe; 32. Oil tank; 33. Overflow pipe. Detailed Implementation

[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application (for ease of description and understanding, hereinafter referred to as...), Figure 2 (The above is described above). All other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0016] Please see Figure 1-2 This application provides a technical solution for a surface oiling device for PET sheet production: A surface oiling device for PET sheet production includes an oiling tank 1, a support 2 at the bottom of the oiling tank 1, an oiling roller 3 and an oil pressing roller 4 rotatably connected inside the oiling tank 1, and the oil pressing roller 4 is located on one side of the oiling roller 3. One end of the oiling roller 3 passes through the oiling tank 1 and is connected to the power output shaft of a drive motor 301. The drive motor 301 is fixed to the oiling tank 1 through a motor mounting seat. Two oil guiding blocks 30 are provided on the bottom surface of the oiling tank 1. An oil spreading plate 19 is fixed on the top surface of the oiling tank 1 and located on the side close to the oil pressing roller 4. At least two nozzles 20 are provided at the bottom of the oil spreading plate 19.

[0017] Specifically, by setting the oil guide block 30, the oil sprayed from the nozzle 20 and the oil scraped off by the oil scraper group 12 can be guided to the bottom of the oil coating roller 3, so that the oil coating roller 3 can be immersed in silicone oil solution. By setting the oil pressure roller 4, excess oil on the oil coating roller 3 can be squeezed out, avoiding excessive coating on the bottom of the PET sheet.

[0018] More specifically, there are five nozzles 20. The oiling plate 19 transfers silicone oil to the nozzles 20, which spray it onto the upper part of the PET sheet. Excess oil flows into the coating tank 1 and is guided by the oil guide block 30 to the middle of the coating tank 1. The coating roller 3 is then dipped in silicone oil and coated onto the lower part of the PET sheet.

[0019] Furthermore, a return pipe 31 is provided at the bottom of the oiling tank 1, and a control valve is provided on the outside of the return pipe 31. An oil tank 32 is provided at the bottom of the return pipe 31 and is mounted on the bracket 2. The front side of the oiling tank 1 is connected to the oil tank 32 through an overflow pipe 33, and an oil pump is provided at the rear side of the oil tank 32. The oil outlet of the oil pump is connected to the oil distribution plate 19 through a connecting oil pipe. Specifically, the return pipe 31 can completely drain the silicone oil in the oiling tank 1, and the overflow pipe 33 can keep the liquid level in the oiling tank 1 below the pressure roller 4 and ensure that the oiling roller 3 can be immersed in the oil.

[0020] With this setup, the silicone oil in the oil tank 32 is extracted by the oil pump and transported to the oil distribution plate 19 through the connecting oil pipe, and then sprayed out from the nozzle 20 to coat the PET sheet with oil.

[0021] A pressing assembly 5 is provided on one side of the pressing roller 4. The pressing assembly 5 includes a bottom roller 6, a pressing roller 7, a first fixed seat 8, a first guide rod 9, a first spring 10, and a first baffle 11. The bottom roller 6 is rotatably connected inside the oil coating box 1. The pressing roller 7 is provided above the bottom roller 6 and is located inside the first fixed seat 8. Two first guide rods 9 are provided above the first fixed seat 8. The first guide rods 9 pass through the oil coating box 1 and are connected to the first baffle 11. The first guide rods 9 are slidably connected to the oil coating box 1. A first spring 10 is provided on the outside of the first guide rod 9 and is located between the first fixed seat 8 and the oil coating box 1.

[0022] Specifically, the bottom roller 6 can support the PET sheet, and the first spring 10 can drive the pressure roller 7 to move up and down, thereby pressing PET sheets of different thicknesses and maintaining downward pressure on the PET sheet, so as to ensure that the oiling roller 3 can contact the lower surface of the PET sheet and ensure the uniformity of oiling.

[0023] More specifically, by setting the first guide rod 9, the stability of the up-and-down movement of the pressure roller 7 can be improved.

[0024] An oil scraper assembly 12 is provided on the side of the oiling roller 3 away from the pressure roller 4. The oil scraper assembly 12 includes a lower scraper roller 13, an upper scraper roller 14, a second fixed seat 15, a second guide rod 16, a second spring 17, and a second baffle 18. The lower scraper roller 13 is rotatably connected inside the oiling box 1. The upper scraper roller 14 is provided above the lower scraper roller 13. The upper scraper roller 14 is located inside the second fixed seat 15. Two second guide rods 16 are provided above the second fixed seat 15. The second guide rods 16 pass through the oiling box 1 and are connected to the second baffle 18. The second guide rods 16 are slidably connected to the oiling box 1. A second spring 17 is provided on the outside of the second guide rod 16. The second spring 17 is located between the second fixed seat 15 and the oiling box 1.

[0025] Specifically, the distance between the upper scraper roller 14 and the lower scraper roller 13 can be adjusted by setting the second spring 17, so as to scrape oil from PET sheets of different thicknesses and avoid waste of silicone oil. The second guide rod 16 can ensure the stability of the movement of the upper scraper roller 14.

[0026] An oil distribution plate 19 is provided between the pressing group 5 and the oil pressing roller 4. The oil distribution plate 19 is fixed to the top surface inside the oil coating box 1. Support and limiting groups 21 are provided on both sides of the oil coating box 1.

[0027] Furthermore, the support and limiting assembly 21 includes a support roller 22, a mounting plate 23, and a limiting structure 24. The two ends of the support roller 22 are rotatably connected to the mounting plate 23, the mounting plate 23 is fixed on the oiling box 1, and the limiting structure 24 is provided between the two mounting plates 23.

[0028] Specifically, the support roller 22 can support the PET sheet, and the limiting structure 24 can limit the front and rear ends of the PET sheet.

[0029] Furthermore, the limiting structure 24 includes a bidirectional lead screw 25, a handwheel 26, a slide bar 27, a movable seat 28, and a limiting roller 29. The slide bar 27 is disposed between two mounting plates 23. A bidirectional lead screw 25 is disposed on one side of the slide bar 27. One end of the bidirectional lead screw 25 is rotatably connected to the mounting plate 23, and the other end of the bidirectional lead screw 25 is connected to the handwheel 26 mounted on the mounting plate 23. The handwheel 26 is rotatably connected to the mounting plate 23. The outer side of the bidirectional lead screw 25 is connected to the movable seat 28 through a lead screw nut. The movable seat 28 is slidably connected to the slide bar 27. A limiting roller 29 is vertically disposed on the upper surface of the movable seat 28. The limiting roller 29 is rotatably connected to the movable seat 28.

[0030] Specifically, the distance between the two moving seats 28 can be adjusted by the bidirectional lead screw 25, so that the PET sheet can be limited by the limiting roller 29 on the moving seat 28, and the stability of the moving seat 28 can be ensured by the sliding rod 27.

[0031] With this setup, by rotating the handwheel 26, the bidirectional lead screw 25 is rotated, which in turn moves the two movable seats 28 to the appropriate position, thereby limiting the PET sheet.

[0032] When in use: Adjust the position of the two limiting rollers 29 according to the width of the PET sheet. First, turn the handwheel 26, which will drive the bidirectional screw 25 to rotate and move the two moving seats 28 to the appropriate position. The limiting rollers 29 will then limit the PET sheet.

[0033] Pull the first baffle 11, causing the first guide rod 9 to drive the first fixed seat 8 and the pressure roller 7 to move upward. After the PET sheet passes through the bottom roller 6, release the first baffle 11, and under the action of the first spring 10, drive the pressure roller 7 to press the PET sheet onto the bottom roller 6.

[0034] The silicone oil in the oil tank 32 is extracted by the oil pump and transported to the oiling plate 19 through the connecting oil pipe. It is then sprayed from the nozzle 20 to coat the PET sheet. Excess oil flows into the coating tank 1 and is guided to the middle of the coating tank 1 by the oil guide block 30. After the coating roller 3 is dipped in silicone oil, the drive motor 301 drives the coating roller 3 to rotate. The oil pressure roller 4 squeezes out the excess oil on the coating roller 3. Then the coating roller 3 coats the lower surface of the PET sheet.

[0035] Pulling the second baffle 18 causes the second guide rod 16 to move the second fixed seat 15 and the upper scraper roller 14 upward. After the PET sheet passes through the lower scraper roller 13, the second baffle 18 is released. Under the action of the second spring 17, the upper scraper roller 14 presses the PET sheet onto the lower scraper roller 13. After the PET sheet passes through the upper scraper roller 14 and the lower scraper roller 13, the oil on the PET sheet is scraped off by the upper scraper roller 14 and the lower scraper roller 13.

[0036] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surface oiling device for PET sheet production, characterized in that: The system includes an oiling tank (1), with a support (2) at the bottom. An oiling roller (3) and a pressure roller (4) are rotatably connected inside the oiling tank (1), with the pressure roller (4) positioned on one side of the oiling roller (3). One end of the oiling roller (3) passes through the oiling tank (1) and is connected to the power output shaft of a drive motor (301). The drive motor (301) is fixed to the oiling tank (1) via a motor mounting base. A pressure roller (4) is positioned on one side of the pressure roller (4). The material group (5) and the oiling roller (3) are provided with an oil scraping roller group (12) on the side away from the oil pressing roller (4). An oil spreading plate (19) is provided between the material pressing group (5) and the oil pressing roller (4). The oil spreading plate (19) is fixed on the top surface inside the oiling box (1). There are no less than two nozzles (20) at the bottom of the oil spreading plate (19). Support limiting groups (21) are provided on both sides of the oiling box (1). There are two oil guiding blocks (30) on the bottom surface inside the oiling box (1).

2. The surface oiling device for PET sheet production according to claim 1, characterized in that: The support limiting group (21) includes a support roller (22), a mounting plate (23) and a limiting structure (24). The support roller (22) is rotatably connected to the mounting plate (23) at both ends. The mounting plate (23) is fixed on the oiling box (1). A limiting structure (24) is provided between the two mounting plates (23).

3. The surface oiling device for PET sheet production according to claim 2, characterized in that: The limiting structure (24) includes a bidirectional lead screw (25), a handwheel (26), a slide rod (27), a movable seat (28), and a limiting roller (29). The slide rod (27) is disposed between two mounting plates (23). A bidirectional lead screw (25) is disposed on one side of the slide rod (27). One end of the bidirectional lead screw (25) is rotatably connected to the mounting plate (23), and the other end of the bidirectional lead screw (25) is connected to the handwheel (26) mounted on the mounting plate (23). The handwheel (26) is rotatably connected to the mounting plate (23). The outer side of the bidirectional lead screw (25) is connected to the movable seat (28) through a lead screw nut. The movable seat (28) is slidably connected to the slide rod (27). A limiting roller (29) is vertically disposed on the upper surface of the movable seat (28), and the limiting roller (29) is rotatably connected to the movable seat (28).

4. The surface oiling device for PET sheet production according to claim 1, characterized in that: The pressing assembly (5) includes a bottom roller (6), a pressing roller (7), a first fixed seat (8), a first guide rod (9), a first spring (10), and a first baffle (11). The bottom roller (6) is rotatably connected inside the oiling box (1). The pressing roller (7) is arranged above the bottom roller (6). The pressing roller (7) is arranged inside the first fixed seat (8). Two first guide rods (9) are arranged above the first fixed seat (8). The first guide rods (9) pass through the oiling box (1) and are connected to the first baffle (11). The first guide rods (9) are slidably connected to the oiling box (1). The first spring (10) is arranged on the outside of the first guide rods (9). The first spring (10) is arranged between the first fixed seat (8) and the oiling box (1).

5. The surface oiling device for PET sheet production according to claim 1, characterized in that: The scraper roller assembly (12) includes a lower scraper roller (13), an upper scraper roller (14), a second fixed seat (15), a second guide rod (16), a second spring (17), and a second baffle (18). The lower scraper roller (13) is rotatably connected inside the oiling box (1). The upper scraper roller (14) is provided above the lower scraper roller (13). The upper scraper roller (14) is provided inside the second fixed seat (15). Two second guide rods (16) are provided above the second fixed seat (15). The second guide rods (16) pass through the oiling box (1) and are connected to the second baffle (18). The second guide rods (16) are slidably connected to the oiling box (1). A second spring (17) is provided on the outside of the second guide rods (16). The second spring (17) is provided between the second fixed seat (15) and the oiling box (1).

6. The surface oiling device for PET sheet production according to claim 1, characterized in that: The bottom of the oiling tank (1) is provided with a return pipe (31), and a control valve is provided on the outside of the return pipe (31). The bottom of the return pipe (31) is provided with an oil tank (32), which is mounted on the bracket (2). The front side of the oiling tank (1) is connected to the oil tank (32) through an overflow pipe (33). The rear side of the oil tank (32) is provided with an oil pump, and the oil outlet of the oil pump is connected to the oil distribution plate (19) through a connecting oil pipe.

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