A winding device for polypropylene diaphragm production
The motor-driven winding device, combined with a threaded rod and slider structure, enables the lifting and lowering of the tension roller. The hinge and clamp arm design allows for quick loading and unloading of the winding shaft, and integrates a cutting function. This solves the problems of inconvenient tension adjustment, poor transmission stability, and low cutting efficiency in existing polypropylene diaphragm winding devices, thereby improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN TIANGONG MEMBRANE NEW ENERGY TECH CO LTD
- Filing Date
- 2025-07-24
- Publication Date
- 2026-07-10
AI Technical Summary
Existing polypropylene diaphragm winding devices suffer from problems such as inconvenient tension adjustment, poor transmission stability, low cutting efficiency, and cumbersome disassembly and assembly of the winding shaft, which affect product quality and production efficiency.
The motor-driven winding device, combined with a threaded rod and slider structure, enables the lifting and lowering of the tension roller. The hinge and clamp arm design allows for quick loading and unloading of the winding shaft, and integrates a cutting function to ensure precise adjustment and stable transmission of diaphragm tension.
It enables precise adjustment of diaphragm tension, ensuring the stability and efficiency of the winding process, reducing labor costs, and improving product quality and production continuity.
Smart Images

Figure CN224477671U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of polypropylene diaphragm production equipment, and in particular to a winding device for polypropylene diaphragm production. Background Technology
[0002] Polypropylene separators, as a polymer material with excellent chemical stability, mechanical strength and air permeability, are widely used in batteries, water treatment, filtration and other fields. In the production process of polypropylene separators, the winding process is one of the key processes to ensure product quality, which directly affects the flatness, tension uniformity and convenience of subsequent processing of the separator.
[0003] Currently, existing polypropylene diaphragm winding devices on the market have many shortcomings in practical applications. On the one hand, the tension adjustment mechanism of traditional winding devices is mostly fixed or has low adjustment accuracy, making it difficult to adjust the tension in real time according to diaphragms of different thicknesses and widths. This can easily lead to problems such as wrinkles, overstretching, or loosening of the diaphragm during the winding process, affecting product quality. On the other hand, there is a lack of effective guarantee for the stable transmission of the diaphragm during the winding process. Some devices only use a single roller shaft for guidance, which makes the diaphragm prone to deviation during transmission, thus affecting the neatness of the winding.
[0004] In addition, after winding, the cutting operation of the diaphragm often requires additional manual labor or equipment, which not only increases the complexity of the process and labor costs, but may also cause the diaphragm ends to be uneven due to improper cutting time, affecting subsequent use. At the same time, the installation and disassembly of the winding shaft is relatively cumbersome, which reduces the efficiency of changing rolls and is not conducive to the continuous and stable operation of the production line.
[0005] Therefore, in view of the problems of inconvenient tension adjustment, poor transmission stability, low cutting efficiency and cumbersome disassembly and assembly of the winding shaft in existing polypropylene diaphragm winding devices, there is an urgent need for a winding device that can achieve precise tension adjustment, ensure stable transmission, integrate cutting function and facilitate roll changing, so as to meet the needs of efficient and high-quality production of polypropylene diaphragms. Utility Model Content
[0006] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a winding device for polypropylene diaphragm production that can solve the above-mentioned problems.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a winding device for producing polypropylene diaphragm, comprising a motor, a frame, and a production device, characterized in that: the motor is located on one side of the frame, the frame is located in the direction of the discharge port of the production device, and a support column is fixedly connected below the motor;
[0008] A conveyor table is fixedly connected between the frames. A slide groove is provided on the frame. A slider is slidably connected in the slide groove. A tension roller is rotatably connected between the sliders. Two rotating shafts are rotatably connected between the frames, and the two rotating shafts are located on both sides of the tension roller.
[0009] A fixed block is fixedly connected to one side of the frame, and a threaded rod is rotatably connected to the fixed block. The threaded rod is threadedly connected to the slider, and a turntable is fixedly connected to the top of the threaded rod.
[0010] A mounting frame is fixedly connected to one end of the frame away from the production device. A hinge is fixedly connected to the mounting frame. A clamping arm is rotatably connected to the hinge. A semi-circular groove is provided at the top of the mounting frame. The clamping arm has the same semi-circular groove on the downward side.
[0011] A cutting blade is fixedly connected to the clamping arm; a fixing frame is fixedly connected to the frame near the mounting frame, and a stabilizing roller is rotatably connected between the fixing frames;
[0012] The clamping arm is rotatably connected to the closed area at the top of the mounting frame by a take-up shaft. A first transmission roller is fixedly connected to one side of the motor by the take-up shaft, and a second transmission roller is fixedly connected to the output end of the motor.
[0013] Preferably, the bottom of the support column is provided with a shock-absorbing pad.
[0014] Preferably, the surface of the tension roller is provided with an elastic rubber layer.
[0015] Preferably, both ends of the rotating shaft are rotatably connected to the frame via bearings.
[0016] Preferably, the surface of the turntable is provided with a rotating handle.
[0017] Preferably, when the clamping arm is closed with the mounting bracket, a sealing gasket is provided between the clamping arm and the mounting bracket.
[0018] Compared with the prior art, the beneficial effects of this utility model are:
[0019] This polypropylene diaphragm production winding device uses a motor for winding power. After the motor starts, the second transmission roller at its output end transmits rotational kinetic energy through friction with the first transmission roller on the winding shaft, driving the winding shaft to rotate and thus winding the diaphragm. The winding shaft is installed in the circular hole formed by the mounting frame and the clamping arm. By rotating the clamping arm through a hinge, the winding shaft can be quickly loaded and unloaded. When the clamping arm is opened, the wound winding shaft can be removed and replaced with a new one. When the clamping arm is closed, the clamping arm and the semi-circular groove at the top of the mounting frame form a complete circular hole, firmly clamping the winding shaft and ensuring stable rotation of the winding shaft during the winding process.
[0020] In this polypropylene diaphragm production winding device, tension adjustment is a crucial step during diaphragm conveying. By rotating the turntable, the threaded rod rotates. Since the threaded rod is threadedly connected to the slider, and the slider is slidably connected in the groove of the frame, the slider moves up and down along the groove, thereby driving the tension roller shaft connected to it to rise and fall. The change in the position of the tension roller shaft changes the winding angle and tension of the diaphragm, thus achieving precise adjustment of the diaphragm tension. This ensures that the diaphragm maintains appropriate tension during conveying and winding, avoiding diaphragm stretching and deformation due to excessive tension, or loosening and wrinkling due to insufficient tension. Two rotating shafts are located on both sides of the tension roller shaft, playing a role in auxiliary support and guiding the direction of the diaphragm, allowing the diaphragm to pass stably through the tension adjustment area. Attached Figure Description
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0022] Figure 1 This is a schematic diagram of a winding device for producing polypropylene diaphragms according to the present invention;
[0023] Figure 2 This is a schematic diagram of a winding device for producing polypropylene diaphragm according to the present invention;
[0024] Figure 3 This is a schematic diagram of a winding device for producing polypropylene diaphragms according to the present invention;
[0025] Figure 4 This is a bottom view schematic diagram of a winding device for producing polypropylene diaphragm according to the present invention.
[0026] Reference numerals: 1. Motor; 2. Frame; 3. Production device; 4. Tension roller; 5. Rotating shaft; 6. Slider; 7. Threaded rod; 8. Fixing block; 9. Stabilizing frame; 10. Stabilizing roller; 11. Second transmission roller; 12. Mounting frame; 13. Hinge; 14. Clamping arm; 15. Rewinding shaft; 16. First transmission roller; 17. Support column; 18. Cutting knife; 19. Conveyor table; 20. Turntable. Detailed Implementation
[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.
[0029] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.
[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0031] Please see Figure 1-4 This utility model provides a technical solution: a winding device for producing polypropylene diaphragm, including a motor 1, a frame 2 and a production device 3. The motor 1 is located on one side of the frame 2, the frame 2 is located in the direction of the discharge port of the production device 3, and a support column 17 is fixedly connected below the motor 1.
[0032] A conveyor table 19 is fixedly connected between the frames 2. A slide groove is provided on the frame 2, and a slider 6 is slidably connected in the slide groove. A tension roller 4 is rotatably connected between the sliders 6. Two rotating shafts 5 are rotatably connected between the frames 2, and the two rotating shafts 5 are located on both sides of the tension roller 4.
[0033] A fixed block 8 is fixedly connected to one side of the frame 2. A threaded rod 7 is rotatably connected to the fixed block 8. The threaded rod 7 is threadedly connected to the slider 6. A turntable 20 is fixedly connected to the top of the threaded rod 7.
[0034] Tension adjustment is a crucial step in the diaphragm conveying process. By rotating the turntable 20, the threaded rod 7 is driven to rotate. Since the threaded rod 7 is threadedly connected to the slider 6, and the slider 6 is slidably connected in the groove of the frame 2, the slider 6 will move up and down along the groove, thereby driving the tension roller 4, which is rotatably connected to it, to rise and fall. The change in the position of the tension roller 4 changes the winding angle and tension of the diaphragm, thereby achieving precise adjustment of the diaphragm tension.
[0035] A mounting frame 12 is fixedly connected to one end of the frame 2 away from the production device 3. A hinge 13 is fixedly connected to the mounting frame 12. A clamping arm 14 is rotatably connected to the hinge 13. A semi-circular groove is opened at the top of the mounting frame 12. The same semi-circular groove is opened on the downward side of the clamping arm 14. The clamping arm 14 and the top of the mounting frame 12 close to form a complete circular hole.
[0036] The take-up shaft 15 is installed in the circular hole formed by the closing of the mounting bracket 12 and the clamping arm 14. The take-up shaft 15 can be quickly loaded and unloaded by rotating the clamping arm 14 through the hinge 13.
[0037] A cutter 18 is fixedly connected to the clamping arm 14. The cutting edge of the cutter 18 is oriented towards the position of the production device 3. When the diaphragm on the winding shaft 15 is wound to a preset length, it needs to be cut. The cutter 18 is horizontally positioned above the clamping arm 14 and is not in contact with the diaphragm under normal conditions. When the clamping arm 14 is opened, the cutter 18 will move synchronously as the clamping arm 14 rotates around the hinge 13. The cutter 18 changes from a horizontal state to a vertical state, and the vertical cutter 18 cuts the diaphragm.
[0038] A stabilizing frame 9 is fixedly connected to the frame 2 near the mounting frame 12, and two stabilizing rollers 10 are rotatably connected between the stabilizing frames 9.
[0039] The clamping arm 14 is rotatably connected to the top closed area of the mounting bracket 12 with a take-up shaft 15. The take-up shaft 15 is fixedly connected to a first transmission roller 16 on one side of the motor 1. The output end of the motor 1 is fixedly connected to a second transmission roller 11. The second transmission roller 11 is in contact with the first transmission roller 16 and transmits rotational kinetic energy through friction.
[0040] After the motor 1 is started, the second transmission roller 11 at its output end transmits rotational kinetic energy through friction with the first transmission roller 16 on the take-up shaft 15, thereby driving the take-up shaft 15 to rotate and thus perform a take-up operation on the diaphragm.
[0041] Working principle: First, the polypropylene diaphragm is output from the discharge port of the production device 3 and enters the conveying path on the frame 2. The diaphragm passes through the rotating shaft 5, the tension roller shaft 4, another rotating shaft 5 in sequence, and then passes through the two stabilizing roller shafts 10 between the stabilizing frame 9, and finally winds onto the take-up shaft 15.
[0042] Tension adjustment is a crucial step in the diaphragm conveying process. By rotating the turntable 20, the threaded rod 7 is driven to rotate. Since the threaded rod 7 is threadedly connected to the slider 6, and the slider 6 is slidably connected in the groove of the frame 2, the slider 6 will move up and down along the groove, thereby driving the tension roller 4, which is rotatably connected to it, to rise and fall. The change in the position of the tension roller 4 changes the winding angle and tension of the diaphragm, thereby achieving precise adjustment of the diaphragm tension. This ensures that the diaphragm maintains appropriate tension during conveying and winding, avoiding diaphragm stretching and deformation due to excessive tension, or loosening and wrinkling due to insufficient tension. The two rotating shafts 5 are located on both sides of the tension roller 4, playing a role in auxiliary support and guiding the direction of the diaphragm, so that the diaphragm passes through the tension adjustment area stably.
[0043] The winding power is provided by motor 1. After motor 1 starts, the second transmission roller 11 at its output end transmits rotational kinetic energy through friction with the first transmission roller 16 on the winding shaft 15, driving the winding shaft 15 to rotate, thereby winding the diaphragm. The winding shaft 15 is installed in the circular hole formed by the mounting bracket 12 and the clamping arm 14. By rotating the clamping arm 14 through the hinge 13, the winding shaft 15 can be quickly loaded and unloaded. When the clamping arm 14 is opened, the wound winding shaft 15 can be taken out and a new winding shaft 15 can be replaced. When the clamping arm 14 is closed, the clamping arm 14 and the semi-circular groove at the top of the mounting bracket 12 form a complete circular hole, which firmly clamps the winding shaft 15 and ensures the stable rotation of the winding shaft 15 during the winding process.
[0044] When the diaphragm on the winding shaft 15 is wound to a preset length, it needs to be cut. The cutter 18 is horizontally positioned above the clamping arm 14 and is not in contact with the diaphragm under normal conditions. When the clamping arm 14 is opened, the cutter 18 will move synchronously as the clamping arm 14 rotates around the hinge 13. The cutter 18 changes from a horizontal state to a vertical state, with the blade facing the position of the production device 3. During this movement, the vertical cutter 18 cooperates with the stabilizing roller shaft 10 to cut the diaphragm, completing the cutting step of one winding operation.
[0045] In addition, the two stabilizing rollers 10 between the stabilizing frames 9 re-sort and support the diaphragm before it enters the winding shaft 15, ensuring that the diaphragm enters the winding stage in a flat state, further improving the winding quality. The support column 17 provides stable support for the motor 1, ensuring the stability of the motor 1 during operation, thereby stabilizing the output power.
[0046] Effectively ensures diaphragm quality. Through the cooperative structure of the threaded rod 7, slider 6 and tension roller shaft 4, the operator can easily adjust the height of the tension roller shaft 4 by rotating the turntable 20, thereby precisely controlling the tension of the diaphragm during the conveying and winding process. This design avoids problems such as diaphragm stretching deformation, loosening and wrinkling caused by improper tension, ensuring that the produced polypropylene diaphragm maintains good physical properties and appearance quality, and is especially suitable for tension-sensitive diaphragm production scenarios;
[0047] To improve winding efficiency and consistency, the rotating shaft 5 and stabilizing roller 10 in the device provide multi-directional support and guidance for the diaphragm, ensuring that the diaphragm runs smoothly on the conveying path and reducing deviation and shaking. At the same time, the winding shaft 15 achieves stable clamping through the closed structure of the clamping arm 14 and the mounting frame 12. Combined with the stable power transmitted by the motor 1 through the transmission roller, the winding process is uniform and orderly, and the diaphragm roll after winding is of consistent tightness and uniform specifications, which reduces the difficulty of subsequent processing.
[0048] Reduce labor costs and labor intensity. The loading and unloading of the take-up shaft 15 can be completed by rotating the clamping arm 14, without complicated disassembly steps, which greatly shortens the roll change time and improves production continuity. The linkage design between the cutter 18 and the clamping arm 14 organically combines the diaphragm cutting operation with the take-up shaft 15 replacement action. The operator can complete the cutting simultaneously while opening the clamping arm 14, which simplifies the operation process, reduces the number of manual intervention links, improves work efficiency, and reduces the risk of errors caused by improper manual operation.
[0049] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A winding device for producing polypropylene diaphragm, comprising a motor (1), a frame (2), and a production device (3), characterized in that: The motor (1) is located on one side of the frame (2), the frame (2) is located in the direction of the discharge port of the production device (3), and a support column (17) is fixedly connected below the motor (1). A conveyor table (19) is fixedly connected between the frames (2). A slide groove is provided on the frame (2). A slider (6) is slidably connected in the slide groove. A tension roller shaft (4) is rotatably connected between the sliders (6). Two rotating shafts (5) are rotatably connected between the frames (2). The two rotating shafts (5) are located on both sides of the tension roller shaft (4). A fixed block (8) is fixedly connected to one side of the frame (2), and a threaded rod (7) is rotatably connected to the fixed block (8). The threaded rod (7) is threadedly connected to the slider (6), and a turntable (20) is fixedly connected to the top of the threaded rod (7). The frame (2) is fixedly connected to a mounting bracket (12) at one end away from the production device (3). A hinge (13) is fixedly connected to the mounting bracket (12). A clamping arm (14) is rotatably connected to the hinge (13). A semi-circular groove is provided at the top of the mounting bracket (12). The same semi-circular groove is provided on the downward side of the clamping arm (14). A cutter (18) is fixedly connected to the clamping arm (14); a fixing frame (9) is fixedly connected to the frame (2) near the mounting frame (12), and a stabilizing roller (10) is rotatably connected between the fixing frames (9). The clamping arm (14) is rotatably connected to the top closed area of the mounting frame (12) by a winding shaft (15). The winding shaft (15) is fixedly connected to a first transmission roller (16) on one side of the motor (1). The output end of the motor (1) is fixedly connected to a second transmission roller (11).
2. The winding device for producing polypropylene diaphragm according to claim 1, characterized in that: The bottom of the support column (17) is provided with a shock-absorbing pad.
3. The winding device for polypropylene diaphragm production according to claim 2, characterized in that: The surface of the tension roller (4) is provided with an elastic rubber layer.
4. A winding device for producing polypropylene diaphragm according to claim 3, characterized in that: The two ends of the rotating shaft (5) are rotatably connected to the frame (2) through bearings.
5. A winding device for producing polypropylene diaphragm according to claim 4, characterized in that: The surface of the turntable (20) is provided with a rotating handle.
6. A winding device for producing polypropylene diaphragm according to claim 5, characterized in that: When the clamping arm (14) is closed with the mounting bracket (12), a sealing gasket is provided between the clamping arm (14) and the mounting bracket (12).