Winding device of high-temperature-resistant polyimide film insulating layer

By designing a high-temperature resistant polyimide film insulation layer winding device, and utilizing a rectangular mounting frame and a hydraulic cylinder-driven pressing mechanism, the problem of loose film winding was solved, achieving tight and uniform film winding, thus improving product quality and service life.

CN224118376UActive Publication Date: 2026-04-14JIANGYIN YUNDA ELECTRONICS NEW MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

During the polyimide film winding process, air can easily get trapped between the film layers, resulting in loose winding, which affects the appearance quality and service life. In addition, traditional winding devices lack an effective pressure mechanism, which makes the film loose, easily deformed or damaged.

Method used

A high-temperature resistant polyimide film insulation layer winding device was designed. It adopts a rectangular mounting frame and a rotatable transverse rotating shaft, combined with a hydraulic cylinder and a drive motor. By adjusting the movement of the rectangular lower pressure plate and the transverse pressure roller, uniform contact and real-time pressure adjustment of the film are achieved, ensuring tight winding.

Benefits of technology

It effectively reduces air residue between film layers, avoids bubbles and delamination problems, ensures tight and uniform film winding, and improves product reliability and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a winding device for a high-temperature-resistant polyimide film insulating layer, which belongs to the technical field of polyimide films and comprises a rectangular mounting rack, a rotatable transverse rotating shaft is arranged in the rectangular mounting rack, and a winding device is arranged in the rectangular mounting rack. The outer side of the transverse rotating shaft is sleeved with a winding roller, a first driving motor is arranged on one side of the rectangular mounting frame, the output end of the first driving motor is fixedly connected with the transverse rotating shaft, movable transverse pressing rollers are arranged at the top and the bottom of the outer side of the winding roller correspondingly, and the transverse pressing rollers can make uniform contact with the surface of a film through rotating adjustment of a rectangular lower pressing plate; air residues between thin film layers are effectively reduced, the problems of bubbles and layering are avoided, the pressure can be adjusted in real time according to tension changes in the winding process through movement adjustment of the transverse pressing roller, and it is ensured that the thin film is wound tightly and evenly.
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Description

Technical Field

[0001] This utility model belongs to the field of polyimide film technology, specifically relating to a winding device for a high-temperature resistant polyimide film insulation layer. Background Technology

[0002] In the fields of electronics, aerospace, and new energy, high-temperature resistant polyimide films are widely used in key components such as insulating layers, flexible circuit substrates, and battery separators due to their excellent insulation properties, high temperature resistance, mechanical strength, and chemical stability. However, polyimide films need to be wound up by a winding device during the production process, and the winding quality directly affects the performance and use effect of the film.

[0003] During the winding process, air can easily get trapped between film layers, resulting in loose winding. This not only affects the appearance quality of the film, but also causes problems such as bubbles and delamination during subsequent processing or use, reducing the reliability and service life of the product. Traditional winding devices lack an effective pressure mechanism, which makes the wound film easy to loosen. Loose rolls are easily affected by external forces during storage and transportation, causing film deformation or damage and increasing the scrap rate. To address this, we have designed a high-temperature resistant polyimide film insulation layer winding device to provide an alternative technical solution to the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a winding device for a high-temperature resistant polyimide film insulation layer, so as to solve the problems in the use of the existing technology mentioned in the background.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a winding device for a high-temperature resistant polyimide film insulation layer, comprising a rectangular mounting frame, a rotatable transverse rotating shaft disposed inside the rectangular mounting frame, a winding roller sleeved on the outer side of the transverse rotating shaft, a first drive motor disposed on one side of the rectangular mounting frame, the output end of the first drive motor being fixedly connected to the transverse rotating shaft, movable transverse pressing rollers disposed at the top and bottom of the outer side of the winding roller, and a moving mechanism for moving the transverse pressing roller disposed on the other side of the rectangular mounting frame;

[0006] The rectangular mounting bracket has a rotatable rectangular lower pressure plate inside, and a rotating mechanism for rotating the rectangular lower pressure plate is provided on one side of the rectangular mounting bracket.

[0007] Preferably, the rotating mechanism includes a hydraulic cylinder, which is fixed to one side of the rectangular mounting frame. A transverse connecting rod is fixed to the output end of the hydraulic cylinder. A rectangular moving block is fixed to one side of the transverse connecting rod. A rectangular transmission column is rotatably connected to the outer side of the transverse connecting rod via a bearing. One end of the rectangular transmission column is rotatably connected to a rectangular rotating column via a pin. A transverse transmission shaft is fixed inside the top of the rectangular rotating column. The transverse transmission shaft is located near the rectangular lower pressure plate and is fixedly connected to the rectangular lower pressure plate. The transverse transmission shaft passes through the interior of the rectangular mounting frame and is rotatably connected to the rectangular mounting frame via a bearing.

[0008] Preferably, the rectangular mounting bracket has a longitudinal groove inside, and the rectangular moving block is located inside the longitudinal groove and is slidably connected to the rectangular mounting bracket through the longitudinal groove.

[0009] Preferably, the moving mechanism includes a transverse support shaft, the transverse pressing roller is rotatably connected to the transverse support shaft via a bearing, a rectangular sliding block is fixed to one side of the transverse support shaft, a vertical sliding tube is rotatably connected to one side of the rectangular sliding block via a bearing, a vertical smooth rod is slidably connected inside the vertical sliding tube, and an L-shaped rectangular support column is slidably connected inside the rectangular sliding block. The L-shaped rectangular support column is located near the rectangular mounting frame and is fixedly connected to the rectangular mounting frame. The L-shaped rectangular support column is designed to be angled.

[0010] Preferably, the moving mechanism further includes a U-shaped support frame, which is located near the rectangular mounting frame and is fixedly connected to it. A second drive motor is bolted to one end of the U-shaped support frame, and a longitudinal threaded rod is fixed to the output end of the second drive motor. A longitudinal sliding frame is threaded to the outer side of the longitudinal threaded rod, and the vertical light rod is located inside the longitudinal sliding frame and is fixedly connected to it.

[0011] Preferably, longitudinal light rods are fixed at the top and bottom inside the U-shaped support frame, and the longitudinal light rods pass through the interior of the longitudinal sliding frame and are slidably connected to the longitudinal sliding frame.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention achieves uniform contact with the film surface through the rotation adjustment of the rectangular lower pressure plate, effectively reducing air residue between film layers and avoiding bubble and delamination problems. Through the movement adjustment of the transverse pressure roller, the pressure can be adjusted in real time according to the tension changes during the winding process, ensuring that the film is tightly and uniformly wound. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the rectangular mounting bracket of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the first drive motor and the rectangular mounting bracket of this utility model;

[0017] Figure 4 This is a schematic diagram of the rectangular lower pressure plate and the transverse transmission shaft of this utility model;

[0018] Figure 5 This is a schematic diagram of the transverse pressing roller and transverse support shaft of this utility model;

[0019] Figure 6 This is a schematic diagram of the structure of the U-shaped support frame and the second drive motor of this utility model;

[0020] Figure 7 This is a schematic diagram of the rectangular sliding block and the L-shaped rectangular support column of this utility model;

[0021] Figure 8 This is a schematic diagram of the longitudinal threaded rod and the longitudinal smooth rod of this utility model.

[0022] In the diagram: 1. Rectangular mounting frame; 2. First drive motor; 3. Rectangular lower pressure plate; 4. Winding roller; 5. Transverse rotating shaft; 6. Transverse pressing roller; 7. Transverse support shaft; 8. Hydraulic cylinder; 9. Rectangular transmission column; 10. Rectangular rotating column; 11. Transverse transmission shaft; 12. Transverse connecting rod; 13. Rectangular moving block; 14. U-shaped support frame; 15. Second drive motor; 16. Longitudinal sliding frame; 17. Vertical smooth rod; 18. Vertical sliding tube; 19. Rectangular sliding block; 20. L-shaped rectangular support column; 21. Longitudinal threaded rod; 22. Longitudinal smooth rod. Detailed Implementation

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

[0024] Reference Figure 1-8A high-temperature resistant polyimide film insulation layer winding device includes a rectangular mounting frame 1, a rotatable transverse rotating shaft 5 is provided inside the rectangular mounting frame 1, a winding roller 4 is sleeved on the outside of the transverse rotating shaft 5, a first drive motor 2 is provided on one side of the rectangular mounting frame 1, the output end of the first drive motor 2 is fixedly connected to the transverse rotating shaft 5, movable transverse pressing rollers 6 are provided at the top and bottom of the outer side of the winding roller 4, and a moving mechanism for moving the transverse pressing roller 6 is provided on the other side of the rectangular mounting frame 1.

[0025] The rectangular mounting bracket 1 has a rotatable rectangular lower pressure plate 3 inside, and a rotating mechanism for rotating the rectangular lower pressure plate 3 is provided on one side of the rectangular mounting bracket 1.

[0026] The rotating mechanism includes a hydraulic cylinder 8, which is fixed to one side of the rectangular mounting frame 1. A transverse connecting rod 12 is fixed to the output end of the hydraulic cylinder 8. A rectangular moving block 13 is fixed to one side of the transverse connecting rod 12. A rectangular transmission column 9 is rotatably connected to the outer side of the transverse connecting rod 12 via a bearing. A rectangular rotating column 10 is rotatably connected to one end of the rectangular transmission column 9 via a pin. A transverse transmission shaft 11 is fixed inside the top of the rectangular rotating column 10. The transverse transmission shaft 11 is close to the side of the rectangular lower pressure plate 3 and is fixedly connected to the rectangular lower pressure plate 3. The transverse transmission shaft 11 passes through the interior of the rectangular mounting frame 1 and is rotatably connected to the rectangular mounting frame 1 via a bearing.

[0027] The rectangular mounting bracket 1 has a longitudinal sliding groove inside. The rectangular moving block 13 is located inside the longitudinal sliding groove and is slidably connected to the rectangular mounting bracket 1 through the longitudinal sliding groove. The longitudinal sliding groove allows the rectangular moving block 13 to move inside the rectangular mounting bracket 1.

[0028] Here, the operation of the hydraulic cylinder 8 enables the transverse connecting rod 12 to drive the rectangular moving block 13 to move longitudinally inside the rectangular mounting frame 1. The longitudinal movement of the rectangular moving block 13, through the rectangular transmission column 9, enables the rectangular rotating column 10 to drive the transverse transmission shaft 11 to rotate inside the rectangular mounting frame 1, thereby enabling the rectangular lower pressure plate 3 to rotate toward the winding roller 4, thereby squeezing the air between the film and the winding roller 4. The rectangular lower pressure plate 3 adopts an adjustable design, which can be precisely adjusted according to the film thickness and tension to ensure uniform contact with the film surface and further reduce air residue.

[0029] The moving mechanism includes a transverse support shaft 7. The transverse pressing roller 6 is rotatably connected to the transverse support shaft 7 via a bearing. A rectangular sliding block 19 is fixed on one side of the transverse support shaft 7. A vertical sliding tube 18 is rotatably connected to one side of the rectangular sliding block 19 via a bearing. A vertical smooth rod 17 is slidably connected inside the vertical sliding tube 18. An L-shaped rectangular support column 20 is slidably connected inside the rectangular sliding block 19. The L-shaped rectangular support column 20 is located near the rectangular mounting frame 1 and is fixedly connected to the rectangular mounting frame 1. The L-shaped rectangular support column 20 is designed to be angled. When the vertical smooth rod 17 moves, the rectangular sliding block 19 can slide on the outside of the L-shaped rectangular support column 20, and at this time, the vertical sliding tube 18 can slide vertically on the outside of the vertical smooth rod 17.

[0030] The moving mechanism also includes a U-shaped support frame 14, which is close to the rectangular mounting frame 1 and fixedly connected to the rectangular mounting frame 1. A second drive motor 15 is bolted to one end of the U-shaped support frame 14. A longitudinal threaded rod 21 is fixed to the output end of the second drive motor 15. A longitudinal sliding frame 16 is threaded to the outer side of the longitudinal threaded rod 21. A vertical light rod 17 is located inside the longitudinal sliding frame 16 and is fixedly connected to the longitudinal sliding frame 16.

[0031] The top and bottom of the U-shaped support frame 14 are fixed with longitudinal light rods 22. The longitudinal light rods 22 pass through the interior of the longitudinal sliding frame 16 and are slidably connected to the longitudinal sliding frame 16. The longitudinal light rods 22 can guide the movement trajectory of the longitudinal sliding frame 16. The movement of the longitudinal sliding frame 16 allows the vertical light rods 17 to move.

[0032] Here, as the film on the outside of the winding roller 4 gradually increases, the operation of the second drive motor 15 causes the longitudinal threaded rod 21 to rotate. The rotation of the longitudinal threaded rod 21 causes the longitudinal sliding frame 16 to slide longitudinally on the outside of the longitudinal guide rod 22. The longitudinal sliding of the longitudinal sliding frame 16 causes the vertical guide rod 17 to slide longitudinally. The longitudinal sliding of the vertical guide rod 17, through the vertical sliding tube 18, causes the rectangular sliding block 19 to slide on the outside of the L-shaped rectangular support column 20, thereby allowing the two transverse support shafts 7 to move, which in turn allows the transverse pressing roller 6 to move. This allows the transverse pressing roller 6 to adjust its position according to the thickness of the film on the outside of the winding roller 4, ensuring that the transverse pressing roller 6 can always squeeze the film on the outside of the winding roller 4, thus ensuring that the film is tightly and evenly wound.

[0033] Working principle: The operation of hydraulic cylinder 8 enables the transverse connecting rod 12 to drive the rectangular moving block 13 to move longitudinally inside the rectangular mounting frame 1. The longitudinal movement of the rectangular moving block 13, through the rectangular transmission column 9, enables the rectangular rotating column 10 to drive the transverse transmission shaft 11 to rotate inside the rectangular mounting frame 1. This, in turn, allows the rectangular lower pressure plate 3 to rotate toward the winding roller 4, thereby squeezing the air between the film and the winding roller 4. The rectangular lower pressure plate 3 adopts an adjustable design, which can be precisely adjusted according to the film thickness and tension to ensure uniform contact with the film surface and further reduce air residue.

[0034] As the film on the outer side of the winding roller 4 gradually increases, the operation of the second drive motor 15 causes the longitudinal threaded rod 21 to rotate. The rotation of the longitudinal threaded rod 21 causes the longitudinal sliding frame 16 to slide longitudinally on the outer side of the longitudinal guide rod 22. The longitudinal sliding of the longitudinal sliding frame 16 causes the vertical guide rod 17 to slide longitudinally. The longitudinal sliding of the vertical guide rod 17, through the vertical sliding tube 18, causes the rectangular sliding block 19 to slide on the outer side of the L-shaped rectangular support column 20, thereby allowing the two transverse support shafts 7 to move. This, in turn, allows the transverse pressing roller 6 to move, enabling the transverse pressing roller 6 to adjust its position according to the thickness of the film on the outer side of the winding roller 4. This ensures that the transverse pressing roller 6 can always squeeze the film on the outer side of the winding roller 4, ensuring that the film is tightly and evenly wound.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A winding device for a high-temperature resistant polyimide film insulation layer, characterized in that: The rectangular mounting frame (1) includes a rotatable transverse rotating shaft (5) inside the rectangular mounting frame (1), a winding roller (4) is sleeved on the outside of the transverse rotating shaft (5), a first drive motor (2) is provided on one side of the rectangular mounting frame (1), the output end of the first drive motor (2) is fixedly connected to the transverse rotating shaft (5), and movable transverse pressing rollers (6) are provided on the top and bottom of the outer side of the winding roller (4). A moving mechanism for moving the transverse pressing roller (6) is provided on the other side of the rectangular mounting frame (1). The rectangular mounting bracket (1) has a rotatable rectangular lower pressure plate (3) inside, and a rotating mechanism for rotating the rectangular lower pressure plate (3) is provided on one side of the rectangular mounting bracket (1).

2. The winding device for a high-temperature resistant polyimide film insulation layer according to claim 1, characterized in that: The rotating mechanism includes a hydraulic cylinder (8), which is fixed to one side of the rectangular mounting frame (1). A transverse connecting rod (12) is fixed to the output end of the hydraulic cylinder (8). A rectangular moving block (13) is fixed to one side of the transverse connecting rod (12). A rectangular transmission column (9) is rotatably connected to the outer side of the transverse connecting rod (12) via a bearing. A rectangular rotating column (10) is rotatably connected to one end of the rectangular transmission column (9) via a pin. A transverse transmission shaft (11) is fixed inside the top of the rectangular rotating column (10). The transverse transmission shaft (11) is close to the side of the rectangular lower pressure plate (3) and is fixedly connected to the rectangular lower pressure plate (3). The transverse transmission shaft (11) passes through the interior of the rectangular mounting frame (1) and is rotatably connected to the rectangular mounting frame (1) via a bearing.

3. The winding device for a high-temperature resistant polyimide film insulation layer according to claim 2, characterized in that: The rectangular mounting bracket (1) has a longitudinal sliding groove inside, and the rectangular moving block (13) is located inside the longitudinal sliding groove and is slidably connected to the rectangular mounting bracket (1) through the longitudinal sliding groove.

4. The winding device for a high-temperature resistant polyimide film insulation layer according to claim 1, characterized in that: The moving mechanism includes a transverse support shaft (7), and the transverse pressing roller (6) is rotatably connected to the transverse support shaft (7) through a bearing. A rectangular sliding block (19) is fixed on one side of the transverse support shaft (7), and a vertical sliding tube (18) is rotatably connected to one side of the rectangular sliding block (19) through a bearing. A vertical light rod (17) is slidably connected inside the vertical sliding tube (18), and an L-shaped rectangular support column (20) is slidably connected inside the rectangular sliding block (19). The L-shaped rectangular support column (20) is close to the rectangular mounting frame (1) and is fixedly connected to the rectangular mounting frame (1). The L-shaped rectangular support column (20) is designed to be angled.

5. The high-temperature resistant polyimide film insulation layer winding device according to claim 4, characterized in that: The moving mechanism also includes a U-shaped support frame (14), which is located near the rectangular mounting frame (1) and is fixedly connected to the rectangular mounting frame (1). A second drive motor (15) is bolted to one end of the U-shaped support frame (14), and a longitudinal threaded rod (21) is fixed to the output end of the second drive motor (15). A longitudinal sliding frame (16) is threaded to the outer side of the longitudinal threaded rod (21), and the vertical light rod (17) is located inside the longitudinal sliding frame (16) and is fixedly connected to the longitudinal sliding frame (16).

6. The winding device for a high-temperature resistant polyimide film insulation layer according to claim 5, characterized in that: The top and bottom of the U-shaped support frame (14) are fixed with longitudinal light rods (22), which penetrate the interior of the longitudinal sliding frame (16) and are slidably connected to the longitudinal sliding frame (16).