An antistatic film take-up roller

By setting conductive rings, cross-shaped conductive frames, wires, and connecting lines on the film winding roller to externally induce static electricity, and using an anti-reverse assembly composed of ratchet, pawl, inclined plate, and spring to prevent the roller from reversing, the problems of static electricity and looseness are solved, and the stability and quality of film winding are improved.

CN224279390UActive Publication Date: 2026-05-26FOSHAN BAOCHENG PACKAGING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-11
Publication Date
2026-05-26

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Abstract

This utility model relates to the field of take-up roller technology and discloses an antistatic film take-up roller, including a roller body, with rotating shafts on both sides of the roller body, and the rotating shafts on both sides are rotatably connected to an external frame. It also includes: conductive rings; a plurality of conductive rings are equidistantly embedded on the surface of the roller body; the roller body has a hollow internal structure, and a plurality of cross-shaped conductive frames corresponding one-to-one with the conductive rings are provided inside the roller body, with wires passing through the cross-shaped conductive frames in sequence; and an anti-reverse rotation component; the anti-reverse rotation component is disposed on one side of the rotating shaft to prevent the rotating shaft from reversing and to avoid film loosening. The advantages of this utility model compared with the prior art are: it provides an antistatic film take-up roller, greatly improving the antistatic effect, preventing reversal, avoiding film loosening, and resulting in high product quality.
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Description

Technical Field

[0001] This utility model relates to the field of winding roller technology, specifically to an antistatic film winding roller. Background Technology

[0002] Take-up rollers are core components in film production, processing, and packaging equipment. They are used to uniformly and stably wind continuous film materials (such as plastic film, metal foil, paper, etc.) into a cylindrical shape for subsequent transportation, storage, or further processing.

[0003] Traditional film take-up rollers are prone to generating static electricity due to friction during high-speed operation, which causes the film to attract dust, wrinkle, or even stick together, affecting product yield. Current technologies often deal with static electricity by coating the outside of the take-up roller with an anti-static coating, but the effect is limited. Moreover, when the motor is suddenly powered off, the take-up roller reverses due to inertia, causing the film to loosen and affecting product quality. Utility Model Content

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by this utility model is to overcome the above-mentioned technical difficulties and provide an antistatic film winding roller that greatly improves the antistatic effect, prevents reverse rotation, avoids film loosening, and results in high product quality.

[0006] II. Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: an antistatic film winding roller, including a roller body, with rotating shafts on both sides of the roller body, the rotating shafts on both sides being rotatably connected to an external frame, and further including:

[0008] Conductive rings; several conductive rings are equidistantly embedded on the surface of the roller body. The inside of the roller body is a hollow structure. Several cross-shaped conductive frames, each corresponding to a conductive ring, are provided inside the roller body. Wires pass through the cross-shaped conductive frames in sequence.

[0009] Anti-reverse component; The anti-reverse component is disposed on one side of the rotating shaft to prevent the rotating shaft from reversing and to avoid the film from loosening.

[0010] As an improvement, both sides of the rotating shaft are provided with connecting lines that connect to the external baseline, and the two ends of the conductor are respectively connected to the connecting lines on both sides. The conductive ring, the cross-shaped conductive frame and the conductor are all made of copper alloy.

[0011] As an improvement, the anti-reverse assembly includes a ratchet and a pawl; the ratchet is disposed on one side of the rotating shaft, and a fixed shaft is provided on one side of the frame; the pawl is rotatably connected to the fixed shaft, and the pawl is embedded in the tooth groove of the ratchet; the anti-reverse assembly also includes a ramp and a spring; the ramp is disposed on one side of the frame and located diagonally below the fixed shaft; the spring is fixedly connected to one side of the ramp, and the other end of the spring is fixedly connected to the pawl.

[0012] As an improvement, the outer wall of the roller is coated with an antistatic coating.

[0013] III. Beneficial Effects

[0014] The advantages of this utility model compared with the prior art are as follows:

[0015] 1. Through several conductive rings, cross-shaped conductive frames, wires and connecting wires, the static electricity generated during winding can be led outward, and with the assistance of the antistatic coating, the overall antistatic effect is good.

[0016] 2. The roller body can be prevented from turning backward by means of ratchet, fixed shaft, pawl, inclined plate and spring, so as to avoid the film being rolled up on the roller body loose and the product quality is high. Attached Figure Description

[0017] Figure 1 This is a schematic diagram illustrating the use of an antistatic film take-up roller according to this utility model. Figure 1 .

[0018] Figure 2 This is a schematic diagram illustrating the use of an antistatic film take-up roller according to this utility model. Figure 2 .

[0019] Figure 3 This is a schematic diagram of the roller structure of an antistatic film take-up roller according to this utility model.

[0020] Figure 4 This is a schematic cross-sectional view of the roller body of an antistatic film take-up roller according to this utility model.

[0021] Figure 5 This utility model relates to an antistatic film take-up roller. Figure 1 Enlarged detail of part A.

[0022] As shown in the figure: 1. Roller body; 2. Rotating shaft; 3. Frame; 4. Antistatic coating; 5. Conductive ring; 6. Cross conductive frame; 7. Wire; 8. Connecting wire; 9. Ratchet; 10. Fixed shaft; 11. Pawl; 12. Inclined plate; 13. Spring. Detailed Implementation

[0023] In the description of this utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] To improve the overall antistatic effect, combined with the attached Figure 2 Appendix Figure 3 and attached Figure 4 An antistatic film winding roller includes a roller body 1, with rotating shafts 2 on both sides of the roller body 1, each rotating shaft 2 rotatably connected to an external frame 3. It also includes conductive rings 5; a plurality of conductive rings 5 ​​are equidistantly embedded on the surface of the roller body 1; the roller body 1 has a hollow internal structure, and a plurality of cross-shaped conductive frames 6 corresponding one-to-one with the conductive rings 5 ​​are provided inside the roller body 1; wires 7 pass through the cross-shaped conductive frames 6 sequentially; connecting lines 8 are provided on both sides of the rotating shafts 2, connecting to an external base line; the two ends of the wires 7 are respectively connected to the connecting lines 8 on both sides; the conductive rings 5, cross-shaped conductive frames 6, and wires 7 are all made of copper alloy; and the outer wall of the roller body 1 is coated with an antistatic coating 4. During the winding process, the conductive rings 5, cross-shaped conductive frames 6, wires 7, and connecting lines 8 can directly conduct static electricity outwards, resulting in good overall antistatic effect.

[0026] To facilitate the reversal of roller 1, which affects the winding effect, combined with the attached... Figure 1 and attached Figure 5An anti-reverse component is provided; the anti-reverse component is disposed on one side of the rotating shaft 2 to prevent the rotating shaft 2 from reversing and avoid the film from loosening. The anti-reverse component includes a ratchet 9 and a pawl 11; the ratchet 9 is disposed on one side of the rotating shaft 2, and a fixed shaft 10 is provided on one side of the frame 3. The pawl 11 is rotatably connected to the fixed shaft 10, and the pawl 11 is embedded in the tooth groove of the ratchet 9; the anti-reverse component also includes a ramp 12 and a spring 13; the ramp 12 is disposed on one side of the frame 3 and located diagonally below the fixed shaft 10. The spring 13 is fixedly connected to one side of the ramp 12, and the other end of the spring 13 is fixedly connected to the pawl 11. When the roller 1 rotates clockwise to rewind, the pawl 11 moves continuously in the tooth groove of the ratchet 9. When the motor that drives the roller 1 suddenly stops, the pawl 11 is embedded in the tooth groove of the ratchet 9 and, under the force of the spring 13, tightly abuts against the ratchet 9, effectively preventing the roller 1 from reversing and preventing the film wound on the roller from becoming loose, resulting in high product quality.

[0027] In specific implementation of this utility model:

[0028] First, the roller 1 is driven to rotate by an external motor (using a combination of pulleys and belts or gear transmission to drive the rotating shaft 2 and the roller 1). As the roller 1 rotates clockwise, the film can be directly wound onto the roller 1.

[0029] As the roller 1 rotates clockwise, the pawl 11 moves continuously within the tooth groove of the ratchet 9. When the motor that drives the roller 1 suddenly stops, the pawl 11 is embedded in the tooth groove of the ratchet 9 and, under the force of the spring 13, tightly presses against the ratchet 9, effectively preventing the roller 1 from reversing and preventing the film wound on the roller from becoming loose, resulting in high product quality.

[0030] Static electricity is easily generated during the high-speed winding rotation of roller 1. At this time, the static electricity passes through the conductive ring 5, the cross conductive frame 6, the wire 7 and the connecting wire 8 in sequence, and the static electricity can be directly led out, resulting in a good overall anti-static effect.

[0031] 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.

[0032] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An antistatic film take-up roller, comprising a roller body (1), wherein rotating shafts (2) are provided on both sides of the roller body (1), and the rotating shafts (2) on both sides are rotatably connected to an external frame (3), characterized in that, Also includes: Conductive ring (5); Several conductive rings (5) are equidistantly embedded on the surface of the roller body (1). The roller body (1) has a hollow structure inside. Several cross-shaped conductive frames (6) are provided inside the roller body (1) and correspond one-to-one with the conductive rings (5). The wires (7) pass through the cross-shaped conductive frames (6) in sequence. Anti-reverse component; The anti-reverse component is disposed on one side of the rotating shaft (2) to prevent the rotating shaft (2) from reversing and to avoid the film from loosening.

2. The antistatic film take-up roller according to claim 1, characterized in that: Both sides of the rotating shaft (2) are provided with connecting lines (8) that connect to the external baseline. The two ends of the conductor (7) are respectively connected to the connecting lines (8) on both sides. The conductive ring (5), the cross conductive frame (6) and the conductor (7) are all made of copper alloy.

3. The antistatic film take-up roller according to claim 1, characterized in that: The anti-reverse assembly includes a ratchet (9) and a pawl (11); the ratchet (9) is mounted on the rotating shaft (2) on one side, and a fixed shaft (10) is provided on one side of the frame (3). The pawl (11) is rotatably connected to the fixed shaft (10), and the pawl (11) is embedded in the tooth groove of the ratchet (9). The anti-reverse assembly also includes a ramp (12) and a spring (13); the ramp (12) is disposed on one side of the frame (3) and located diagonally below the fixed shaft (10), the spring (13) is fixedly connected to one side of the ramp (12), and the other end of the spring (13) is fixedly connected to the pawl (11).

4. The antistatic film take-up roller according to claim 1, characterized in that: The outer wall of the roller (1) is coated with an antistatic coating (4).