Capacitor automatic film winder

Abstract

The utility model belongs to the field of capacitor film winding, particularly relates to an automatic film winder for a capacitor, and aims to solve the problem that a film and a metal foil can be laminated through a semi-sphere pair between two rectangular plates in the prior art. However, when the distance between the two rectangular plates needs to be adjusted when the films and the metal foils with different thicknesses are pressed, bolts on the rectangular plates need to be detached, the distance between the two rectangular plates can be adjusted only after the rectangular plates are reinstalled, the operation is troublesome, and the distance between the semi-spheres on the two rectangular plates is inconvenient to adjust. According to the technical scheme, the device comprises a base, the top of the base is fixedly provided with a first support used for containing a thin film roll, a second support used for containing a metal foil roll and a third support, the distance between a second rectangular plate and a first rectangular plate can be adjusted through an adjusting mechanism, bolts do not need to be disassembled for reinstallation, and the cost is reduced. And through the cutting mechanism, the thin film metal foil roll can be cut off.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitor film winding, in particular to an automatic capacitor film winder. Background Art

[0002] Film capacitor is a type of capacitor with superior performance. Due to its small size and large capacity, it has a wide range of uses. There are two main structural forms of film capacitors. One of the structural forms uses metal foil as electrode, and the metal foil and plastic film are overlapped and wound together. During the winding process, an automatic film winder is required.

[0003] After searching, the patent with announcement number CN209895926U discloses an automatic film winder for capacitor processing, including a bottom plate, the top outer wall of the bottom plate is welded with two first vertical plates, two second vertical plates and two third vertical plates, and the top outer walls of the first vertical plates, the second vertical plates and the third vertical plates are all provided with U-shaped grooves, and the six U-shaped grooves are all provided with fixing mechanisms, and the structures of the fixing mechanisms are the same, the top outer wall of the bottom plate is welded with two strip plates, and the outer walls on the opposite sides of the two strip plates are fixed with two rectangular plates by bolts, and the outer walls on the opposite sides of the two rectangular plates are welded with three rows of hemispherical heads distributed at equal distances, and the top outer wall of the bottom plate is fixed with a control box by bolts. The utility model is a film winder used in the capacitor processing process, which is convenient for the staff to install film rolls, metal foil rolls and reels, and is easy to operate, which improves the convenience of using the winder.

[0004] The technical solution has the following problems:

[0005] Although the film and the metal foil can be pressed together by the semicircular balls between the two rectangular plates during use, when the distance between the two rectangular plates needs to be adjusted for pressing films and metal foils of different thicknesses, the bolts on the rectangular plates need to be removed and the rectangular plates need to be reinstalled to adjust the distance between the two rectangular plates, which is rather troublesome and inconvenient to adjust the distance between the semicircular balls on the two rectangular plates. Utility Model Content

[0006] The utility model aims to solve the problem in the prior art that although the film and the metal foil can be pressed together by the semicircular ball pair between the two rectangular plates during use, when the spacing between the two rectangular plates needs to be adjusted for pressing films and metal foils of different thicknesses, the bolts on the rectangular plates need to be removed and the rectangular plates need to be reinstalled to adjust the spacing between the two rectangular plates, which is troublesome and inconvenient to adjust the spacing between the semicircular balls on the two rectangular plates. An automatic film winder for capacitors is proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A capacitor automatic film winder comprises a base, a first bracket for placing a film roll, a second bracket and a third bracket for placing a metal foil roll are fixedly arranged on the top of the base, a cavity is opened on the first bracket, a plurality of rotating rods for reducing friction are rotatably connected to the inner wall of the cavity, a reel for winding a film and a metal foil is placed on the third bracket, a frame is fixedly arranged on the top of the base, a first rectangular plate is fixedly arranged on the inner walls of both sides of the frame, a second rectangular plate is slidably connected to the inner walls of both sides of the frame, and a plurality of rotating rods for pressing the film and the metal foil are rotatably connected to the first rectangular plate and the second rectangular plate;

[0009] An adjustment mechanism, the adjustment mechanism is arranged on the frame and is used to adjust the distance between the first rectangular plate and the second rectangular plate;

[0010] The cutting mechanism is arranged on the base and is used for cutting the film and the metal foil.

[0011] In a possible design, the adjustment mechanism includes a threaded rod and a handwheel for facilitating the rotation of the threaded rod, a threaded hole is opened on the frame, the threaded rod is threadedly connected to the threaded hole of the frame, the bottom end of the threaded rod is rotatably connected to the top center position of the second rectangular plate, and the bottom of the handwheel is fixedly connected to the top of the threaded rod.

[0012] In a possible design, the cutting mechanism includes a support frame, an electric push rod, a lifting plate, a knife seat and a blade. The two ends of the bottom of the support frame are respectively fixedly connected to the two sides of the top of the frame, the fixed part of the electric push rod is fixedly connected to the top inner wall of the support frame, the top of the lifting plate is fixedly connected to the telescopic part of the electric push rod, the top of the knife seat is fixedly connected to the bottom of the lifting plate, the knife seat is in an inverted concave shape, the top of the blade is inserted into the knife seat, and a knife groove frame matched with the blade is fixedly provided on the top of the base, and a knife groove is opened on the top of the knife groove frame.

[0013] In a possible design, two first bolts are threadedly connected to one side of the blade seat, two insertion holes are provided on one side of the blade, and one end of the first bolt is inserted into the insertion hole of the blade.

[0014] In a possible design, the inner walls on both sides of the frame are provided with sliding grooves for reducing the friction generated by the movement of the second rectangular plate, and sliders are fixedly provided on both sides of the second rectangular plate, and one side of the slider is slidably connected to the inner wall of the sliding groove.

[0015] In one possible design, a support plate is fixedly provided on the top of the base, a motor for driving the reel to rotate is fixedly provided on one side of the support plate, a rotating frame is rotatably connected to one side of the support plate, and an output end of the motor passes through one side of the support plate and is fixedly connected to one side of the rotating frame.

[0016] In a possible design, a plug block is fixedly provided at one end of the reel, and the plug block is inserted into a rotating frame. A second bolt for fixing the plug block is threadedly connected to the rotating frame, and an insertion hole is provided on the plug block, and one end of the second bolt is inserted into the insertion hole of the plug block.

[0017] In the present application, when in use, the film roll is placed on the first bracket, the metal foil roll is placed on the second bracket, the reel for winding is placed on the third bracket, and the plug block at one end of the reel is inserted into the rotating frame, and the second bolt is rotated to insert one end of the second bolt into the insertion hole of the plug block, thereby fixing the plug block of the reel in the rotating frame, and then according to the thickness of the film and the metal foil, the adjustment mechanism is used to adjust the spacing between the first rectangular plate and the second rectangular plate, and the threaded rod is rotated in the threaded hole of the frame by turning the hand wheel. The rotation of the threaded rod drives the second rectangular plate and the rotating rod on the second rectangular plate to move, so that the spacing between the second rectangular plate and the first rectangular plate can be adjusted, and there is no need to disassemble the bolts and reinstall them, which is more convenient. When the spacing between the first rectangular plate and the second rectangular plate is adjusted, then the film One end of the film and one end of the metal foil pass through between the first rectangular plate and the second rectangular plate, and then one end of the film and one end of the metal foil are wound around the reel for several turns. The design of the rotating rod can reduce the friction of the film and the metal foil during transmission, ensuring that they can smoothly enter the pressing area. The film and the metal foil can be pressed together by the first rectangular plate, the second rectangular plate and multiple rotating rods, which makes it easier to subsequently wind the film and the metal foil around the reel. The motor is turned on, and the motor drives the rotating frame and the reel to rotate. The film and metal foil passing through the pressing area will be wound up by the reel. When the film and metal foil roll reaches a preset length, the electric push rod is started. The telescopic part of the electric push rod pushes the lifting plate down, driving the blade to press down the film and the metal foil, and the knife groove of the knife groove frame cooperates to cut the film and metal foil.

[0018] The beneficial effects of the present invention are:

[0019] In the utility model, the automatic capacitor film winder, through the adjustment mechanism, by turning the hand wheel, makes the threaded rod rotate in the threaded hole of the frame, the rotation of the threaded rod drives the movement of the second rectangular plate and the rotating rod on the second rectangular plate, so that the spacing between the second rectangular plate and the first rectangular plate can be adjusted, and there is no need to disassemble the bolts and reinstall them, which is more convenient;

[0020] In the utility model, the automatic capacitor film winder, through the cutting mechanism, the telescopic part of the electric push rod pushes the lifting plate down, drives the blade to press down the film and metal foil, and cooperates with the knife groove of the knife groove frame, so that the film and metal foil can be cut;

[0021] In the utility model, the spacing between the second rectangular plate and the first rectangular plate can be adjusted by the adjusting mechanism, so there is no need to dismantle the bolts and reinstall them, which is more convenient. The thin film metal foil roll can be cut by the cutting mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of the state of placing film rolls and metal foil rolls of an automatic film winder for capacitors proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the film and metal foil winding state structure of an automatic film winder for capacitors proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the cutting mechanism and adjusting mechanism structure of an automatic capacitor film winder proposed by the utility model;

[0025] Figure 4 The present invention is a schematic diagram of the partial structure of an automatic capacitor film winder proposed by the utility model.

[0026] In the figure: 1, base; 2, first bracket; 3, second bracket; 4, frame; 5, support frame; 6, third bracket; 7, support plate; 8, motor; 9, reel; 10, rotating rod; 11, knife groove frame; 12, lifting plate; 13, blade; 14, electric push rod; 15, knife seat; 16, first bolt; 17, first rectangular plate; 18, rotating rod; 19, second rectangular plate; 20, threaded rod; 21, hand wheel; 22, plug block; 23, rotating frame. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Embodiment 1

[0029] Reference Figure 1-4An automatic film winder comprises: a base 1, on the top of which a first bracket 2, a second bracket 3 and a third bracket 6 are fixedly arranged, and the three brackets are used to place a film roll, a metal foil roll and a reel 9 respectively, and each bracket is designed with a cavity, and the inner wall of the cavity is rotatably connected with a plurality of rotating rods 10 to reduce the friction generated during the winding process.

[0030] Next, a frame 4 is fixedly provided on the top of the base 1, and a first rectangular plate 17 is fixed to the inner walls on both sides of the frame 4, and a second rectangular plate 19 is slidably connected. On these two rectangular plates, multiple rotating rods 18 are rotatably connected, and these rotating rods 18 are used to press the film and metal foil during the winding process.

[0031] In order to adjust the spacing between the first rectangular plate 17 and the second rectangular plate 19, the adjustment mechanism includes a threaded rod 20 and a hand wheel 21. The threaded rod 20 is threadedly connected to the threaded hole of the frame 4, and its bottom end is rotatably connected to the top center position of the second rectangular plate 19. The hand wheel 21 is fixed to the top of the threaded rod 20. By rotating the hand wheel 21, the position of the second rectangular plate 19 can be easily adjusted, thereby realizing the adjustment of the spacing.

[0032] In order to cut the film and metal foil, the cutting mechanism includes a support frame 5, an electric push rod 14, a lifting plate 12, a knife seat 15 and a blade 13. The support frame 5 is fixed to the top of the frame 4, the fixed part of the electric push rod 14 is connected to the support frame 5, and the lifting plate 12 is fixedly connected to the telescopic part of the electric push rod 14, the knife seat 15 is fixed to the bottom of the lifting plate 12, and the blade 13 is inserted into the knife seat 15. In addition, a knife groove frame 11 adapted to the blade 13 is fixed to the top of the base 1. When the blade 13 descends, it can accurately cut into the knife groove of the knife groove frame 11 to complete the cutting action.

[0033] The present application is used in the field of capacitor film winding, and can also be used in other fields applicable to the present application.

[0034] refer to Figure 1-4 , based on the improvement of the first embodiment: an automatic capacitor film winder, which is used in the field of capacitor film winding,

[0035] In order to fix the blade 13, two first bolts 16 are threadedly connected on one side of the blade seat 15. Two insertion holes are opened on one side of the blade 13. When the blade 13 is inserted into the blade seat 15, the first bolts 16 can be tightened to insert them into the insertion holes of the blade 13 to achieve fixation.

[0036] In addition, in order to reduce the friction force generated by the second rectangular plate 19 when moving, sliding grooves are opened on the inner walls of both sides of the frame 4, and sliders are fixed on both sides of the second rectangular plate 19, and the sliders are slidably connected to the inner walls of the sliding grooves.

[0037] Finally, a support plate 7 is fixed to the top of the base 1, and a motor 8 is fixed on the support plate 7. The output end of the motor 8 is fixedly connected to one side of the rotating frame 23. An insert block 22 is fixed to one end of the reel 9. The insert block 22 is inserted into the rotating frame 23 and fixed by a second bolt. This design allows the reel 9 to be easily replaced.

[0038] However, as is well known to those skilled in the art, the working principles and wiring methods of the motor 8 and the electric push rod 14 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic capacitor film winder, comprising a base (1), characterized in that: A first bracket (2) for placing a film roll, a second bracket (3) for placing a metal foil roll and a third bracket (6) are fixedly arranged on the top of the base (1); a cavity is opened on the first bracket (2), the second bracket (3) and the third bracket (6); a plurality of rotating rods (10) for reducing friction are rotatably connected to the inner wall of the cavity; a reel (9) for winding the film and the metal foil is placed on the third bracket (6); a frame (4) is fixedly arranged on the top of the base (1); a first rectangular plate (17) is fixedly arranged on the inner walls of both sides of the frame (4); a second rectangular plate (19) is slidably connected to the inner walls of both sides of the frame (4); a plurality of rotating rods (18) for pressing the film and the metal foil are rotatably connected to the first rectangular plate (17) and the second rectangular plate (19); An adjustment mechanism, the adjustment mechanism being arranged on the frame (4) and used for adjusting the distance between the first rectangular plate (17) and the second rectangular plate (19); A cutting mechanism is arranged on the base (1) and is used for cutting thin films and metal foils.

2. The automatic capacitor film winder according to claim 1, characterized in that: The adjusting mechanism comprises a threaded rod (20) and a hand wheel (21) for facilitating the rotation of the threaded rod (20); a threaded hole is provided on the frame (4); the threaded rod (20) is threadedly connected to the threaded hole of the frame (4); the bottom end of the threaded rod (20) is rotatably connected to the top center position of the second rectangular plate (19); and the bottom of the hand wheel (21) is fixedly connected to the top end of the threaded rod (20).

3. The automatic capacitor film winder according to claim 1, characterized in that: The cutting mechanism comprises a support frame (5), an electric push rod (14), a lifting plate (12), a knife seat (15) and a blade (13); the two ends of the bottom of the support frame (5) are respectively fixedly connected to the two sides of the top of the frame (4); the fixed part of the electric push rod (14) is fixedly connected to the inner wall of the top of the support frame (5); the top of the lifting plate (12) is fixedly connected to the telescopic part of the electric push rod (14); the top of the knife seat (15) is fixedly connected to the bottom of the lifting plate (12); the knife seat (15) is in an inverted concave shape; the top of the blade (13) is inserted into the knife seat (15); the top of the base (1) is fixedly provided with a knife groove frame (11) adapted to the blade (13); the top of the knife groove frame (11) is provided with a knife groove.

4. The automatic capacitor film winder according to claim 3, characterized in that: One side of the blade seat (15) is threadedly connected with two first bolts (16), one side of the blade (13) is provided with two insertion holes, and one end of the first bolt (16) is inserted into the insertion hole of the blade (13).

5. The automatic capacitor film winder according to claim 1, characterized in that: The inner walls on both sides of the frame (4) are provided with sliding grooves for reducing the friction generated by the movement of the second rectangular plate (19), and sliding blocks are fixedly arranged on both sides of the second rectangular plate (19), one side of the sliding block is slidably connected to the inner wall of the sliding groove.

6. The automatic capacitor film winder according to claim 1, characterized in that: A support plate (7) is fixedly arranged on the top of the base (1); a motor (8) for driving the reel (9) to rotate is fixedly arranged on one side of the support plate (7); a rotating frame (23) is rotatably connected to one side of the support plate (7); an output end of the motor (8) passes through one side of the support plate (7) and is fixedly connected to one side of the rotating frame (23).

7. The automatic capacitor film winder according to claim 6, characterized in that: An insert block (22) is fixedly provided at one end of the reel (9), the insert block (22) is inserted into a rotating frame (23), a second bolt for fixing the insert block (22) is threadedly connected to the rotating frame (23), an insertion hole is provided on the insert block (22), and one end of the second bolt is inserted into the insertion hole of the insert block (22).

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