Novel coiling type winding mechanism for polytetrafluoroethylene film
By designing a novel winding mechanism that includes a chassis, a crossbeam swing arm, and a motor, problems such as slippage, displacement, and bubble formation during the winding of polytetrafluoroethylene film in existing technologies have been solved. This enables efficient and precise tension control and winding, improving the pace of the production process and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU SAINT-DEERE ELECTRICAL & MECHANICAL TECH CO LTD
- Filing Date
- 2025-05-16
- Publication Date
- 2026-05-08
AI Technical Summary
Existing winding mechanisms are complex in structure, inconvenient to operate, and have high maintenance costs. For smooth PTFE film materials, slippage, winding displacement, and bubble formation are prone to occur during winding. Furthermore, they are not flexible and precise enough in terms of tension control and winding speed adjustment.
A novel winding mechanism was designed, comprising a chassis, a crossbeam swing arm, a floating guide roller, a cylinder, a motor, and a cooling roller. The cylinder controls the lifting and lowering of the connecting frame and the crossbeam swing arm, while the motor controls the movement of the cylinder and the side swing arm, thereby achieving precise control of the winding speed and tension. The cooling roller is used to shape and transfer the film.
It improves winding speed and efficiency, ensures neat and tight material winding, reduces human error, enhances product consistency and quality, reduces labor intensity, and reduces maintenance costs.
Smart Images

Figure CN224212108U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of winding mechanism technology, specifically to a novel winding mechanism for polytetrafluoroethylene film. Background Technology
[0002] Surface winding refers to the process of winding film using a surface winding machine. During the winding process, winding is achieved by the friction and pressure tension between the power roller and the winding roll. It is suitable for occasions with large thickness variations, high tension, and large roll diameter.
[0003] Existing winding mechanisms are complex in structure, inconvenient to operate, and have high maintenance costs. For smooth polytetrafluoroethylene film materials, slippage, winding displacement, and bubble formation are prone to occur during the winding process. They are also not flexible and precise enough in terms of tension control and winding speed adjustment. Utility Model Content
[0004] Therefore, this utility model provides a novel winding mechanism for polytetrafluoroethylene (PTFE) film to solve the problems of complex structure, inconvenient operation, high maintenance cost, slippage, winding displacement and bubble formation during winding of smooth PTFE film materials, and lack of flexibility and precision in tension control and winding speed adjustment.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel winding mechanism for polytetrafluoroethylene film, comprising a housing, wherein two crossbeam swing arms are connected inside the housing via bearings, a second connecting shaft is fixedly provided between the two crossbeam swing arms, a floating guide roller is connected between the two crossbeam swing arms via bearings, a first cylinder is installed inside the housing, the tail end of the first cylinder is movably connected to the housing via a rotating shaft, a connecting frame is installed at the output end of the first cylinder, and the second connecting shaft passes through the connecting frame and is connected to the connecting frame via bearings.
[0006] Preferably, the housing has a drive shaft inside, and the drive shaft is connected to the housing via a bearing. Two second motors are installed inside the housing, and the tail ends of the second motors are movably connected to the housing via a rotating shaft. The output ends of the second motors are connected to a second cylinder. Two side swing arms are fixedly sleeved on the outside of the drive shaft, and a first connecting shaft is fixed between the two side swing arms. The first connecting shaft passes through the second cylinder and is connected to the second cylinder via a bearing. A take-up roller is installed between the two side swing arms.
[0007] Preferably, a first cooling roller and a second cooling roller are installed inside the chassis, and a first motor is installed inside the chassis.
[0008] Preferably, a bending roller is installed on the top of the chassis.
[0009] Preferably, the bottom of the chassis is equipped with multiple support feet.
[0010] The present invention has the following advantages:
[0011] It significantly improves winding speed and efficiency, enabling the winding of the same amount of material to be completed in a shorter time, thereby improving the rhythm of the entire production process. The winding quality is greatly improved, with materials wound neatly and tightly without wrinkles, looseness, or deviation, ensuring product consistency and excellent quality. Precise tension control prevents the material from being overstretched or understretched during the winding process, protecting the physical properties and quality of the material.
[0012] Increased automation reduces human error, decreases reliance on operator experience and skills, and also reduces labor intensity. Attached Figure Description
[0013] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0014] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.
[0015] Figure 1 A schematic diagram of the overall structure of this utility model.
[0016] In the diagram: 1. Chassis; 2. First cylinder; 3. Connecting frame; 4. Crossbeam swing arm; 5. Floating guide roller; 6. Bending roller; 7. First motor; 8. First cooling roller; 9. Second cooling roller; 10. Second motor; 11. Drive shaft; 12. Side swing arm; 13. First connecting shaft; 14. Second cylinder; 15. Take-up roller; 16. Support foot; 17. Second connecting shaft. Detailed Implementation
[0017] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0018] See attached document Figure 1 This utility model provides a novel winding mechanism for polytetrafluoroethylene film, comprising a housing 1, inside which two crossbeam swing arms 4 are connected by bearings, a second connecting shaft 17 is fixed between the two crossbeam swing arms 4, and a floating guide roller 5 is connected between the two crossbeam swing arms 4 by bearings. A first cylinder 2 is installed inside the housing 1, the tail end of the first cylinder 2 is movably connected to the housing 1 by a rotating shaft, a connecting frame 3 is installed at the output end of the first cylinder 2, and the second connecting shaft 17 passes through the connecting frame 3 and is connected to the connecting frame 3 by bearings.
[0019] In this implementation scheme, the first cylinder 2 is started, the first cylinder 2 controls the lifting and lowering of the connecting frame 3, the connecting frame 3 controls the swing arm 4 of the crossbeam to swing, and the swing arm 4 of the crossbeam drives the floating guide roller 5 to swing up and down to achieve control of the winding speed of the whole machine.
[0020] To achieve the winding purpose, this device employs the following technical solution: A drive shaft 11 is installed inside the housing 1. The drive shaft 11 is connected to the housing 1 via bearings. Two second motors 10 are installed inside the housing 1. The tail ends of the second motors 10 are movably connected to the housing 1 via rotating shafts. A second cylinder 14 is connected to the output end of the second motors 10. Two side swing arms 12 are fixedly sleeved on the outside of the drive shaft 11. A first connecting shaft 13 is fixed between the two side swing arms 12. The first connecting shaft 13 passes through the second cylinder 14 and is connected to the second cylinder 14 via bearings. A winding roller 15 is installed between the two side swing arms 12. When the second motors 10 are started, they control the movement of the second cylinder 14. The second cylinder 14, through the first connecting shaft 13, controls the side swing arms 12 and the winding roller 15 to swing around the drive shaft 11, achieving the purpose of close winding.
[0021] To achieve the cooling purpose, the device adopts the following technical solution: a first cooling roller 8 and a second cooling roller 9 are respectively installed inside the housing 1. A first motor 7 is installed inside the housing 1. By starting the first motor 7, the first motor 7 and the first cooling roller 8 are driven by gear meshing. The second cooling roller 9 and the first motor 7 are driven by a chain and sprocket, so that the first motor 7 and the first cooling roller 8 continuously cool, shape and convey the surface of the polytetrafluoroethylene film.
[0022] In order to facilitate the transmission, the device adopts the following technical solution: a bending roller 6 is installed on the top of the chassis 1, which facilitates the transmission of polytetrafluoroethylene film.
[0023] To achieve the purpose of support, the device adopts the following technical solution: multiple support feet 16 are installed at the bottom of the chassis 1, and the support feet 16 support the chassis 1.
[0024] The usage process of this utility model is as follows: When using this utility model, the first cylinder 2 is started, the first cylinder 2 controls the lifting and lowering of the connecting frame 3, the connecting frame 3 controls the swing arm 4 of the crossbeam to swing, and the swing arm 4 drives the floating guide roller 5 to swing up and down to achieve control of the winding speed of the whole machine. After passing through the bending roller 6, the polytetrafluoroethylene film comes into contact with the first cooling roller 8 and the second cooling roller 9 respectively. By starting the first motor 7, the first motor 7 and the first cooling roller 8 are driven by gear meshing, and the second cooling roller 9 and the first motor 7 are driven by chain and sprocket, so that the first motor 7 and the first cooling roller 8 continuously cool and shape the surface of the polytetrafluoroethylene film and convey it. The second motor 10 is started, the second motor 10 controls the movement of the second cylinder 14, and the second cylinder 14 controls the side swing arm 12 and the winding roller 15 to swing around the transmission shaft 11 through the first connecting shaft 13 to achieve the purpose of bonding and winding.
[0025] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.
Claims
1. A novel winding mechanism for polytetrafluoroethylene (PTFE) film, comprising a housing (1), characterized in that: The machine housing (1) has two crossbeam swing arms (4) connected by bearings inside. A second connecting shaft (17) is fixed between the two crossbeam swing arms (4). A floating guide roller (5) is connected between the two crossbeam swing arms (4) by bearings. A first cylinder (2) is installed inside the machine housing (1). The tail end of the first cylinder (2) is movably connected to the machine housing (1) by a rotating shaft. A connecting frame (3) is installed at the output end of the first cylinder (2). The second connecting shaft (17) passes through the connecting frame (3) and is connected to the connecting frame (3) by bearings.
2. The novel winding mechanism for polytetrafluoroethylene film according to claim 1, characterized in that: The housing (1) is equipped with a drive shaft (11). The drive shaft (11) is connected to the housing (1) by a bearing. The housing (1) is equipped with two second motors (10). The tail end of the second motor (10) is movably connected to the housing (1) by a rotating shaft. The output end of the second motor (10) is connected to a second cylinder (14). The drive shaft (11) is fixedly fitted with two side swing arms (12). A first connecting shaft (13) is fixedly provided between the two side swing arms (12). The first connecting shaft (13) passes through the second cylinder (14) and is connected to the second cylinder (14) by a bearing. A take-up roller (15) is installed between the two side swing arms (12).
3. A novel winding mechanism for polytetrafluoroethylene film according to claim 1, characterized in that: The first cooling roller (8) and the second cooling roller (9) are respectively installed inside the chassis (1), and the first motor (7) is installed inside the chassis (1).
4. A novel winding mechanism for polytetrafluoroethylene film according to claim 1, characterized in that: A bending roller (6) is installed on the top of the chassis (1).
5. A novel winding mechanism for polytetrafluoroethylene film according to claim 1, characterized in that: The bottom of the chassis (1) is equipped with multiple support feet (16).