Winding device for thin film capacitor
By introducing a guide system driven by a geared motor and a servo motor into the film capacitor winding device, combined with a CCD camera and a weighing sensor, the shortcomings of the film capacitor winding machine in terms of precise positioning and detection are solved, realizing precise winding and self-weighing of the film, and improving production efficiency and automation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-03-06
AI Technical Summary
Existing film capacitor winding machines are inadequate in terms of precise film feeding and inspection, and lack self-weighing functionality.
The upper and lower guide rollers driven by a geared motor guide the film, and the film winding head driven by a servo motor achieves precise film feeding; CCD camera and supplementary light are used to quickly detect defects on the film surface; and a weighing sensor and LCD screen are used to achieve automatic weighing of the discharged material.
It enables precise film feeding and rapid detection, improving the accuracy and efficiency of film winding. It also has the function of self-weighing the discharged material, enhancing the automation level of the production process.
Smart Images

Figure CN223977809U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of winding equipment technology, specifically a winding device for thin film capacitors. Background Technology
[0002] Film capacitors are made by overlapping and winding aluminum or other metal foils as electrodes with a plastic film. Winding equipment is required when winding the film.
[0003] Currently, the winding machines used for winding capacitor films on the market are relatively complex in overall structure. They require multiple sets of rollers to work together to adhere the film to the winding head. The winding head is driven by a motor to rotate continuously and wind the film into a roll. In actual use, there are some functional deficiencies and room for improvement. For example, it is difficult to adhere the film to the winding head, the film is not easy to enter the winding position accurately, and it does not have the function of guiding the film to a precise position.
[0004] Now, a novel winding device for thin-film capacitors is proposed to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a winding device for thin-film capacitors to solve the problem mentioned in the background art of not having the function of guiding the precise positioning of the thin film.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a winding device for a thin film capacitor, comprising a bottom support platform, a fixed plate fixedly connected to the middle position of the top of the bottom support platform, four sets of geared motors installed at the rear end of the fixed plate, an upper guide roller fixedly connected to the output end of the geared motors, a lower guide roller disposed below the upper guide roller, a thin film preform roll movably connected to the top of the left side of the front end of the fixed plate, two sets of preform guide rollers disposed below the thin film preform roll, and a winding assembly for guiding the film to be wound at the front end of the top of the bottom support platform.
[0007] The winding assembly includes a fixed base, which is fixedly connected to the front end of the top of the bottom support platform. A second electric cylinder is fixedly connected to the front end of the fixed base. A film guide clamp is fixedly connected to the output end of the second electric cylinder. A film storage groove is provided inside the rear end of the film guide clamp. Circular film inlets are provided on the left and right sides of the film storage groove. A concave frame is fixedly connected to the rear end of the top of the bottom support platform. Two sets of sliding rods are longitudinally welded between the front and rear ends inside the concave frame. A slider is sleeved on the outside of the sliding rod. A first electric cylinder is installed at the rear end of the concave frame. A servo motor is installed at the top of the slider. A film winding head is fixedly connected to the output end of the servo motor. A film slot is opened at the front end of the film winding head. A winding head guide tube is fixedly connected at the middle position of the rear end of the fixed plate.
[0008] Preferably, the circular inlet and the film storage tank are internally connected, and the film slot and the film storage tank have the same height.
[0009] Preferably, the outer diameter of the film winding head is the same as the inner diameter of the winding head guide tube, and the film winding head can slide back and forth along the inside of the winding head guide tube.
[0010] Preferably, the front end of the first electric cylinder is connected to the rear end of the slider, and the slider can slide back and forth along the outside of the slide rod.
[0011] Preferably, a camera mounting bracket is provided on the right side of the film preform roll, an alarm light is fixedly connected to the top of the camera mounting bracket, a CCD camera is installed at the bottom of the camera mounting bracket, and a CCD fill light is provided below the CCD camera.
[0012] Preferably, the alarm light, CCD camera, and CCD fill light are electrically connected, and the rear end of the camera mount is connected to the front end of the mounting plate.
[0013] Preferably, a conveyor belt is installed on the right side of the top of the bottom support platform, and a housing is fixedly connected to the right side of the conveyor belt. A reserved groove is provided on the left side of the top of the housing. Weighing sensors are installed at the four corners of the bottom of the reserved groove. A weighing plate is fixedly connected to the top of the weighing sensors. An LCD screen is installed at the rear end of the top right side of the housing, and a speaker is installed at the front end of the top right side of the housing.
[0014] Preferably, the shape and size of the weighing plate are adapted to the shape and size of the reserved groove, the weighing plate can move up and down along the inside of the reserved groove, and the weighing sensor, LCD screen and speaker are electrically connected.
[0015] Compared with the prior art, the beneficial effects of this utility model are: the winding device for the thin film capacitor not only realizes the function of guiding the film to a precise position, but also realizes the function of quickly detecting the surface of the film, and also realizes the function of self-weighing of the discharged material;
[0016] (1) By setting up a concave frame, a first electric cylinder, a slide bar, a slider, a servo motor, a film winding head, a film slot, a fixed base, a second electric cylinder, a film guide clamp, a circular film inlet, a film storage slot, and a winding head guide tube, when in use, the film on the film blank roll enters between the film guide clamp and the film winding head under the guidance of the blank output roller, the upper guide roller, and the lower guide roller. The second electric cylinder extends forward, and the film guide clamp and the film winding head are in contact with each other. The film guide clamp is at the film outlet position of the upper guide roller and the lower guide roller. The film enters the film storage slot along the circular film inlet. Then the second electric cylinder retracts, the first electric cylinder extends forward, and pushes the slider to move forward along the slide bar. The film winding head at the front end of the servo motor moves forward along the winding head guide tube. During the forward movement, the film in the film storage slot enters the film slot. The servo motor drives the film winding head to rotate continuously, winding the film around the outside of the film winding head to form a film roll, thus realizing the function of guiding the film to a precise position.
[0017] (2) By setting up a camera mounting bracket, an alarm light, a CCD camera and a CCD fill light, when in use, the film is in a taut state under the guidance of the blank guide roller, the upper guide roller and the lower guide roller. The CCD camera at the bottom of the camera mounting bracket quickly collects the surface information of the film. When leaks or breaks are found, the alarm light flashes to remind the staff to pay attention in time. The CCD fill light illuminates the film to increase the exposure of details, thus realizing the function of quickly detecting the surface of the film.
[0018] (3) By setting up a conveyor belt, housing, reserved slot, weighing sensor, weighing plate, LCD screen and speaker, when in use, as the film is rolled up, the first electric cylinder retracts, and the film outside the film winding head is pushed off the film winding head by the fixed plate and falls onto the conveyor belt. The conveyor belt transports the film roll to the weighing plate, the weighing sensor senses the weight of the film roll, the weight value is displayed on the LCD screen, and the speaker broadcasts the weight value at the same time, realizing the function of self-weighing of the material after discharge. Attached Figure Description
[0019] Figure 1 This is a front view structural diagram of the present utility model;
[0020] Figure 2 This is a side view of the structure of this utility model;
[0021] Figure 3 This is a side enlarged structural diagram of the concave frame of this utility model;
[0022] Figure 4 This is a rear-view enlarged structural diagram of the thin-film guide clip of this utility model;
[0023] Figure 5 This is a top view of a partially enlarged cross-sectional structural diagram of the shell of this utility model.
[0024] In the diagram: 1. Bottom support platform; 2. Fixing plate; 3. Concave frame; 4. First electric cylinder; 5. Slide rod; 6. Slider; 7. Servo motor; 8. Film winding head; 9. Film slot; 10. Fixing base; 11. Second electric cylinder; 12. Film guide clamp; 13. Circular film inlet; 14. Film temporary storage groove; 15. Winding head guide tube; 16. Gear motor; 17. Upper guide roller; 18. Lower guide roller; 19. Camera mounting bracket; 20. Alarm light; 21. CCD camera; 22. CCD fill light; 23. Film preform roll; 24. Preform exit roller; 25. Conveyor belt; 26. Housing; 27. Reserved slot; 28. Weighing sensor; 29. Weighing plate; 30. LCD screen; 31. Speaker. Detailed Implementation
[0025] 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.
[0026] Example 1: Please refer to Figure 1-5 A winding device for a thin film capacitor includes a bottom support platform 1, a fixed plate 2 fixedly connected to the middle position of the top of the bottom support platform 1, four sets of geared motors 16 installed at the rear end of the fixed plate 2, an upper guide roller 17 fixedly connected to the output end of the geared motor 16, a lower guide roller 18 arranged below the upper guide roller 17, a thin film blank roll 23 movably connected to the top of the left side of the front end of the fixed plate 2, two sets of blank guide rollers 24 arranged below the thin film blank roll 23, and a winding assembly for guiding the film to be wound at the front end of the top of the bottom support platform 1.
[0027] Please see Figure 1-5A winding device for a thin film capacitor also includes a winding assembly. The winding assembly includes a fixed base 10, which is fixedly connected to the front end of the top of the bottom support platform 1. A second electric cylinder 11 is fixedly connected to the front end of the fixed base 10. A thin film guide clamp 12 is fixedly connected to the output end of the second electric cylinder 11. A thin film storage groove 14 is provided inside the rear end of the thin film guide clamp 12. Circular film inlets 13 are provided on the left and right sides of the thin film storage groove 14. A concave frame 3 is fixedly connected to the rear end of the top of the bottom support platform 1. Two sets of sliding rods 5 are longitudinally welded between the front and rear ends inside the concave frame 3. A slider 6 is sleeved on the outside of the sliding rods 5. A first electric cylinder 4 is installed at the rear end of the concave frame 3. A servo motor 7 is installed at the top end of the slider 6. A thin film winding head 8 is fixedly connected to the output end of the servo motor 7. A thin film slot 9 is opened at the front end of the thin film winding head 8. A winding head guide tube 15 is fixedly connected at the middle position of the rear end of the fixed plate 2.
[0028] The circular inlet 13 and the film storage tank 14 are internally connected. The film slot 9 and the film storage tank 14 have the same height. The outer diameter of the film winding head 8 is consistent with the inner diameter of the winding head guide tube 15. The film winding head 8 can slide back and forth along the inside of the winding head guide tube 15. The front end of the first electric cylinder 4 is connected to the rear end of the slider 6. The slider 6 can slide back and forth along the outside of the slide rod 5 to facilitate the guidance of the film into position.
[0029] Specifically, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the second electric cylinder 11 extends forward, the film guide clamp 12 and the film winding head 8 are in contact with each other, the film guide clamp 12 is at the film exit position of the upper guide roller 17 and the lower guide roller 18, the film enters the film storage tank 14 along the circular film inlet 13, then the second electric cylinder 11 retracts, the first electric cylinder 4 extends forward, pushes the slider 6 to move forward along the slide bar 5, the film winding head 8 at the front end of the servo motor 7 moves forward along the winding head guide tube 15, during the forward movement, the film in the film storage tank 14 enters the film slot 9, the servo motor 7 drives the film winding head 8 to rotate continuously, winding the film around the outside of the film winding head 8 to form a film roll.
[0030] Example 2: A camera mounting bracket 19 is provided on the right side of the film preform roll 23. An alarm light 20 is fixedly connected to the top of the camera mounting bracket 19, and a CCD camera 21 is installed at the bottom of the camera mounting bracket 19. A CCD fill light 22 is provided below the CCD camera 21. The alarm light 20, CCD camera 21, and CCD fill light 22 are electrically connected. The rear end of the camera mounting bracket 19 is connected to the front end of the fixing plate 2, which can detect film defects in time.
[0031] Specifically, such as Figure 1 and Figure 2As shown, the CCD camera 21 at the bottom of the camera mount 19 quickly collects information about the film surface. When leaks or breaks are detected, the alarm light 20 flashes to alert the staff and prompt them to pay attention. The CCD fill light 22 illuminates the film to increase the visibility of details.
[0032] Example 3: A conveyor belt 25 is installed on the right side of the top of the bottom support platform 1. A housing 26 is fixedly connected to the right side of the conveyor belt 25. A reserved groove 27 is provided on the left side of the top of the housing 26. Weighing sensors 28 are installed at the four corners of the bottom of the reserved groove 27. A weighing plate 29 is fixedly connected to the top of the weighing sensor 28. An LCD screen 30 is installed at the rear end of the top right side of the housing 26. A speaker 31 is installed at the front end of the top right side of the housing 26. The shape and size of the weighing plate 29 are adapted to the shape and size of the reserved groove 27. The weighing plate 29 can move up and down along the inside of the reserved groove 27. The weighing sensor 28, LCD screen 30 and speaker 31 are electrically connected to weigh the output material.
[0033] Specifically, such as Figure 1 and Figure 5 As shown, after the film is rolled up, it falls onto the conveyor belt 25. The conveyor belt 25 transports the film roll to the weighing plate 29. The weighing sensor 28 senses the weight of the film roll, and the weight value is displayed on the LCD screen 30. The speaker 31 announces the weight value at the same time.
[0034] Working principle: When using this utility model, firstly, the film on the film preform roll 23, guided by the preform output roller 24, the upper guide roller 17, and the lower guide roller 18, enters between the film guide clamp 12 and the film winding head 8. The second electric cylinder 11 extends forward, and the film guide clamp 12 and the film winding head 8 are in contact with each other. The film guide clamp 12 is at the film exit position of the upper guide roller 17 and the lower guide roller 18. The film enters the film storage groove 14 along the circular film inlet 13. Then, the second electric cylinder 11 retracts, the first electric cylinder 4 extends forward, and pushes the slider 6 to move forward along the slide rod 5. The film winding head 8 at the front end of the servo motor 7 moves forward along the winding head guide tube 15. During the forward movement, the film in the film storage groove 14 enters the film slot 9. The servo motor 7 drives the film winding head 8 to rotate continuously, winding the film around the outside of the film winding head 8 to form a film roll. Guided by the blank guide roller 24, upper guide roller 17, and lower guide roller 18, the film is taut. The CCD camera 21 at the bottom of the camera mount 19 quickly collects information about the film surface. When leaks or breaks are detected, the alarm light 20 flashes to alert the staff. The CCD supplement light 22 illuminates the film to enhance the visibility of details. As the film is rolled up, the first electric cylinder 4 retracts. The film outside the film winding head 8 is pushed off by the fixing plate 2 and falls onto the conveyor belt 25. The conveyor belt 25 transports the film roll to the weighing plate 29. The weighing sensor 28 senses the weight of the film roll, and the weight value is displayed on the LCD screen 30. The speaker 31 simultaneously announces the weight value.
[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A winding device for thin-film capacitors comprising a bottom support table (1), characterized in that: The middle position of the top of the bottom support table (1) is fixedly connected with a fixed plate (2), the rear end of the fixed plate (2) is installed with four groups of speed reducer motors (16), the output end of the speed reducer motor (16) is fixedly connected with an upper guide roller (17), the lower side of the upper guide roller (17) is provided with a lower guide roller (18), the top of the left side of the front end of the fixed plate (2) is movably connected with a film blank roll (23), the lower side of the film blank roll (23) is provided with two groups of blank lead-out rollers (24), and the front end of the top of the bottom support table (1) is provided with a winding assembly for guiding the film into the winding assembly. The winding assembly comprises a fixed seat (10) fixedly connected to the front end of the top of the bottom support table (1), a second electric cylinder (11) fixedly connected to the front end of the fixed seat (10), a film guide clamp (12) fixedly connected to the output end of the second electric cylinder (11), a film temporary storage groove (14) provided in the rear end of the film guide clamp (12), a circular film inlet (13) provided on the left and right sides of the film temporary storage groove (14), a concave frame (3) fixedly connected to the rear end of the top of the bottom support table (1), two groups of slide rods (5) longitudinally welded between the front and rear ends of the inside of the concave frame (3), a slide block (6) sleeved on the outside of the slide rod (5), a first electric cylinder (4) installed on the rear end of the concave frame (3), a servo motor (7) installed on the top end of the slide block (6), a film winding head (8) fixedly connected to the output end of the servo motor (7), and a film clamping groove (9) formed in the front end of the film winding head (8). The rear end of the fixed plate (2) is fixedly connected with a winding head guide pipe (15).
2. A winding device for a thin film capacitor according to claim 1, characterized in that: The inside of the circular film inlet (13) and the film temporary storage groove (14) are in communication, and the film clamping groove (9) and the film temporary storage groove (14) have the same height.
3. The winding apparatus for a thin film capacitor according to claim 1, wherein: The outer diameter of the film winding head (8) is consistent with the inner diameter of the winding head guide pipe (15), and the film winding head (8) can slide and displace forward and backward along the inside of the winding head guide pipe (15).
4. The winding apparatus for a thin film capacitor according to claim 1, wherein: The front end of the first electric cylinder (4) is connected with the rear end of the slide block (6), and the slide block (6) can slide and displace forward and backward along the outside of the slide rod (5).
5. The winding apparatus for a thin film capacitor according to claim 1, wherein: A camera fixing frame (19) is arranged on the right side of the film blank roll (23), a warning light (20) is fixedly connected to the top end of the camera fixing frame (19), a CCD camera (21) is installed on the bottom end of the camera fixing frame (19), and a CCD light supplementing lamp (22) is arranged below the CCD camera (21).
6. A winding device for a thin film capacitor according to claim 5, wherein: The warning light (20), the CCD camera (21) and the CCD light supplementing lamp (22) are electrically connected, and the rear end of the camera fixing frame (19) is connected with the front end of the fixed plate (2).
7. The winding apparatus for a thin film capacitor according to claim 1, wherein: The right side of the top of the bottom support platform (1) is provided with a conveyor belt (25), the right side of the conveyor belt (25) is fixedly connected with a shell (26), the left side of the top of the shell (26) is provided with a reserved slot (27), four corners of the inside bottom end of the reserved slot (27) are respectively provided with a weighing sensor (28), the top end of the weighing sensor (28) is fixedly connected with a weighing plate (29), the rear end of the top right side of the shell (26) is provided with a liquid crystal display (30), the front end of the top right side of the shell (26) is provided with a loudspeaker (31).
8. A winding device for a thin film capacitor according to claim 7, wherein: The shape and size of the outside of the weighing plate (29) are matched with the shape and size of the inside of the reserved slot (27), the weighing plate (29) can be displaced up and down along the inside of the reserved slot (27), the weighing sensor (28), the liquid crystal display (30) and the loudspeaker (31) are electrically connected.