Winding machine with adjustable winding width for battery cell production

Abstract

The invention discloses a winding-width-adjustable winding machine for battery cell production, which comprises a winding machine, a winding assembly, a traction assembly and a traction rope, the winding assembly is arranged on one side of the winding machine and is used for winding a diaphragm and a battery cell, and relates to the technical field of battery cell winding. The winding assembly is arranged on one side of the winding machine and is used for winding the diaphragm and the battery cell, and the extrusion head which is adjusted and matched with the width of the battery cell and the fixing head which is obliquely arranged and is used for moving the extrusion head are arranged in the winding assembly; one end of the traction rope is dragged with the extrusion head, and the traction assembly is arranged at one end of the winding machine and dragged with one end, far away from the extrusion head, of the traction rope, so that the battery cell can be clamped through the inclined extrusion head, and then the traction rope is tensioned through the control of the traction assembly and the winding assembly, so that the battery cell can be wrapped without being extruded; therefore, the battery cell is well clamped and utilized in the winding process of the battery cell and the diaphragm, and the problem of clamping damage of the battery cell is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of battery core winding, in particular to a winding machine for battery core production with adjustable winding width. Background Art

[0002] The cell winder is a device used to produce battery cells. It mainly forms the core part of the battery by winding electrode materials (such as positive and negative electrode materials) and separators together. It can accurately control the tension and thickness of the winding to ensure the quality and performance of the battery cell. The cell winder is widely used in the production process of various batteries such as lithium-ion batteries and nickel-metal hydride batteries.

[0003] Existing telecommunication winding machines need to precisely control the winding width when winding battery cells. However, during the winding process, the battery cells are in contact with the diaphragm, and the diaphragm may break or not exist, resulting in unsuccessful cell winding. There is room for improvement. Summary of the invention

[0004] The object of the present invention is to provide a winding machine for producing battery cells with adjustable winding width, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a winding machine for producing battery cells with adjustable winding width, comprising a winding machine, a winding assembly, a winding assembly, a traction assembly and a traction rope, wherein the winding assembly is arranged on one side of the winding machine and is used for winding the diaphragm and the battery cell, and an extrusion head that is adjusted to match the width of the battery cell and a fixed head that is inclined and for moving the extrusion head are arranged inside the winding assembly, one end of the traction rope is pulled by the extrusion head, and the traction assembly is arranged at one end of the winding machine and is pulled by the end of the traction rope away from the extrusion head.

[0006] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, further comprising a guide roller, wherein the guide roller is arranged on one side of the winding machine and is rotatably connected to the winding machine, and the guide roller is used for conveying the diaphragm.

[0007] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, also including a pressure plate and a pressure roller, the pressure roller is arranged on one side of the winder and is rotatably connected to the winder, the pressure plate is fixedly installed on one side of the winder, and the pressure plate and pressure roller cooperate to check the presence and tension of diaphragm transmission.

[0008] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, the winding assembly includes a rotating frame, a movable rod, an extrusion head and a fixed head, the rotating frame is rotatably connected to the winding machine, one end of the movable rod is fixedly connected to the rotating frame, and the other end is fixedly connected to the fixed head, the extrusion head is movably connected to the movable rod, and the extrusion head and the rotating frame cooperate to clamp the battery cell.

[0009] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, the winding assembly includes a winding seat, a rotating wheel and a motor, the winding seat is fixedly connected to the extrusion head, the motor is fixedly installed inside the winding seat, the output end of the motor is fixedly connected to the rotating wheel, and one end of the traction rope is wound and fixed on the outer circumference of the rotating wheel.

[0010] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, the traction assembly includes a traction seat, a traction roller and a servo motor, the traction seat is fixedly connected to the winding machine, the servo motor is fixedly installed on one side of the traction seat, the output end of the servo motor passes through the traction seat and is fixedly connected to the traction roller, and the other end of the traction rope is wound and fixed on the outer periphery of the traction roller.

[0011] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, one side of the pressure plate is fixedly connected to the winding machine, and the other side is fixedly connected to the elastic plate body, and the two groups of electromagnetic relays are adapted to each other at one end of the two groups of elastic plates that are close to each other.

[0012] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, a proximity switch is fixedly connected to one side of the elastic plate.

[0013] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, wherein the offset angle of the extrusion head is 3-5°.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Since the winding assembly is arranged at one side of the winding machine and is used for winding the diaphragm and the battery cell, an extrusion head adjusted to the width of the battery cell and an inclined fixed head for the extrusion head to move are arranged inside the winding assembly. One end of the traction rope is pulled by the extrusion head and the traction assembly is arranged at one end of the winding machine and is pulled by the end of the traction rope away from the extrusion head. Therefore, the battery cell can be clamped by the inclined extrusion head, and then the traction rope is tightened by controlling the traction assembly and the winding assembly, so that the battery cell is not squeezed and wrapped, so that the battery cell can be well clamped and utilized during the winding process of the battery cell and the diaphragm, avoiding the problem of clamping damage to the battery cell.

[0016] 2. Since the pressure roller is arranged on one side of the winder and is rotationally connected to the winder, the pressure plate is fixedly installed on one side of the winder and the pressure plate and the pressure roller cooperate to check the transmission existence and tension of the diaphragm, which can avoid the problem of battery cell breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a winding machine for producing battery cells with adjustable winding width according to the present invention;

[0018] Figure 2 It is a structural schematic diagram of a winding assembly and a pulling assembly in a winding machine for producing battery cells with adjustable winding width according to the present invention;

[0019] Figure 3 It is a structural schematic diagram of a winding assembly in a winding machine for producing battery cells with adjustable winding width according to the present invention;

[0020] Figure 4 The present invention is a winding machine for producing battery cores with adjustable winding width Figure 2 The enlarged view of point A in the middle;

[0021] Figure 5 This is one of the structural schematic diagrams of a pressure plate in a winding machine for producing battery cells with adjustable winding width according to the present invention;

[0022] Figure 6 This is a second structural schematic diagram of a pressure plate in a winding machine for producing battery cells with adjustable winding width according to the present invention;

[0023] In the figure: 1. Winding machine; 2. Winding assembly; 21. Rotating frame; 22. Movable rod; 23. Extrusion head; 24. Fixed head; 3. Winding assembly; 31. Winding seat; 32. Rotating wheel; 33. Motor; 4. Traction assembly; 41. Traction seat; 42. Traction roller; 43. Servo motor; 5. Traction rope; 6. Guide roller; 7. Pressure plate; 71. Elastic plate; 72. Proximity switch; 73. Electromagnetic relay; 8. Pressure roller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0026] In an embodiment of the present invention, a winding machine for producing battery cells with adjustable winding width includes a winding machine 1, a winding assembly 2, a winding assembly 3, a traction assembly 4 and a traction rope 5. The winding assembly 2 is arranged on one side of the winding machine 1 and is used for winding the diaphragm and the battery cell. The winding assembly 2 is provided with an extrusion head 23 adjusted to the width of the battery cell and a fixed head 24 which is inclined and for moving the extrusion head 23. One end of the traction rope 5 is pulled by the extrusion head 23. The traction assembly 4 is arranged at one end of the winding machine 1 and is pulled by the end of the traction rope 5 away from the extrusion head 23.

[0027] Since the winding assembly 2 is arranged at one side of the winding machine 1 and is used for winding the diaphragm and the battery cell, the interior of the winding assembly 2 is provided with an extrusion head 23 adjusted to match the width of the battery cell and an inclined fixed head 24 for moving the extrusion head 23. One end of the traction rope 5 is pulled by the extrusion head 23 and the traction assembly 4 is arranged at one end of the winding machine 1 and is pulled by the end of the traction rope 5 away from the extrusion head 23. Therefore, the battery cell can be clamped by the inclined extrusion head 23, and then the traction rope 5 is tightened by controlling the traction assembly 4 and the winding assembly 3, so that the battery cell is not squeezed and wrapped, so that the battery cell can be well clamped and utilized during the winding process of the battery cell and the diaphragm, avoiding the problem of clamping damage to the battery cell.

[0028] Since the pressure roller 8 is arranged on one side of the winder 1 and is rotatably connected to the winder 1, the pressure plate 7 is fixedly installed on one side of the winder 1 and the pressure plate 7 and the pressure roller 8 cooperate to check the transmission existence and tension of the diaphragm, the problem of battery cell breaking can be avoided.

[0029] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, further comprising a guide roller 6, wherein the guide roller 6 is arranged on one side of the winding machine 1 and is rotatably connected to the winding machine 1, and the guide roller 6 is used for conveying the diaphragm.

[0030] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, also includes a pressure plate 7 and a pressure roller 8, the pressure roller 8 is arranged on one side of the winder 1 and is rotatably connected to the winder 1, the pressure plate 7 is fixedly installed on one side of the winder 1, and the pressure plate 7 and the pressure roller 8 cooperate to check the presence and tension of the diaphragm transmission.

[0031] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, the winding assembly 2 includes a rotating frame 21, a movable rod 22, an extrusion head 23 and a fixed head 24, the rotating frame 21 is rotatably connected to the winding machine 1, one end of the movable rod 22 is fixedly connected to the rotating frame 21, and the other end is fixedly connected to the fixed head 24, the extrusion head 23 is movably connected to the movable rod 22, and the extrusion head 23 and the rotating frame 21 cooperate to clamp the battery cell.

[0032] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, the winding assembly 3 includes a winding seat 31, a rotating wheel 32 and a motor 33, the winding seat 31 is fixedly connected to the extrusion head 23, the motor 33 is fixedly installed inside the winding seat 31, the output end of the motor 33 is fixedly connected to the rotating wheel 32, and one end of the traction rope 5 is wound and fixed on the outer periphery of the rotating wheel 32.

[0033] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, the traction assembly 4 includes a traction seat 41, a traction roller 42 and a servo motor 43, the traction seat 41 is fixedly connected to the winding machine 1, the servo motor 43 is fixedly installed on one side of the traction seat 41, the output end of the servo motor 43 passes through the traction seat 41 and is fixedly connected to the traction roller 42, and the other end of the traction rope 5 is wound and fixed on the outer periphery of the traction roller 42.

[0034] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, one side of the pressure plate 7 is fixedly connected to the winding machine 1, and the other side is fixedly connected to the elastic plate body 71, and the two groups of electromagnetic relays 73 are fixedly connected to the adjacent ends of the elastic plate bodies 71, and the two groups of electromagnetic relays 73 are adapted to each other.

[0035] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, a proximity switch 72 is fixedly connected to one side of the elastic plate 71.

[0036] As a further solution of the present invention: a winding machine for producing battery cells with adjustable winding width, the offset angle of the extrusion head 23 is 3-5°.

[0037] The working principle of the present invention is as follows: since the winding assembly 2 is arranged at one side of the winding machine 1 and is used for winding the diaphragm and the battery cell, an extrusion head 23 adjusted to the width of the battery cell and an inclined fixed head 24 for moving the extrusion head 23 are arranged inside the winding assembly 2, one end of the traction rope 5 is pulled by the extrusion head 23 and the traction assembly 4 is arranged at one end of the winding machine 1 and is pulled by the end of the traction rope 5 away from the extrusion head 23, so that the battery cell can be clamped by the inclined extrusion head 23, and then the traction rope 5 is tightened by controlling the traction assembly 4 and the winding assembly 3, so that the battery cell is not squeezed and wrapped, so that the battery cell can be well clamped and utilized during the winding process of the battery cell and the diaphragm, avoiding the problem of clamping damage to the battery cell.

[0038] Since the pressure roller 8 is arranged on one side of the winder 1 and is rotatably connected to the winder 1, the pressure plate 7 is fixedly installed on one side of the winder 1 and the pressure plate 7 and the pressure roller 8 cooperate to check the transmission existence and tension of the diaphragm, the problem of battery cell breaking can be avoided.

[0039] What is described above 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A winding machine for producing battery cells with adjustable winding width, characterized in that: The invention comprises a winding machine (1), a winding assembly (2), a winding assembly (3), a traction assembly (4) and a traction rope (5); the winding assembly (2) is arranged at one side of the winding machine (1) and is used for winding a diaphragm and a battery cell; an extrusion head (23) adjusted to match the width of the battery cell and a fixed head (24) which is inclined and allows the extrusion head (23) to move are arranged inside the winding assembly (2); one end of the traction rope (5) is pulled by the extrusion head (23); the traction assembly (4) is arranged at one end of the winding machine (1) and is pulled by one end of the traction rope (5) away from the extrusion head (23).

2. A winding machine for producing battery cells with adjustable winding width according to claim 1, characterized in that: It also comprises a guide roller (6), which is arranged on one side of the winder (1) and is rotationally connected to the winder (1), and the guide roller (6) is used for conveying the diaphragm.

3. A winding machine for producing battery cells with adjustable winding width according to claim 2, characterized in that: It also includes a pressure plate (7) and a pressure roller (8), wherein the pressure roller (8) is arranged on one side of the winder (1) and is rotatably connected to the winder (1), and the pressure plate (7) is fixedly installed on one side of the winder (1), and the pressure plate (7) and the pressure roller (8) cooperate to check the presence and tension of the diaphragm transmission.

4. A winding machine for producing battery cells with adjustable winding width according to claim 3, characterized in that: The winding assembly (2) comprises a rotating frame (21), a movable rod (22), an extrusion head (23) and a fixed head (24); the rotating frame (21) is rotatably connected to the winding machine (1); one end of the movable rod (22) is fixedly connected to the rotating frame (21) and the other end is fixedly connected to the fixed head (24); the extrusion head (23) is movably connected to the movable rod (22); and the extrusion head (23) and the rotating frame (21) cooperate to clamp the power supply core.

5. The winding machine for producing battery cells with adjustable winding width according to claim 4, characterized in that: The winding assembly (3) comprises a winding seat (31), a rotating wheel (32) and a motor (33); the winding seat (31) is fixedly connected to the extrusion head (23); the motor (33) is fixedly installed inside the winding seat (31); the output end of the motor (33) is fixedly connected to the rotating wheel (32); and one end of the traction rope (5) is wound and fixed on the outer circumference of the rotating wheel (32).

6. A winding machine for producing battery cells with adjustable winding width according to claim 5, characterized in that: The traction assembly (4) comprises a traction seat (41), a traction roller (42) and a servo motor (43); the traction seat (41) is fixedly connected to the winding machine (1); the servo motor (43) is fixedly mounted on one side of the traction seat (41); the output end of the servo motor (43) passes through the traction seat (41) and is fixedly connected to the traction roller (42); the other end of the traction rope (5) is wound and fixedly attached to the outer periphery of the traction roller (42).

7. A winding machine for producing battery cells with adjustable winding width according to claim 6, characterized in that: One side of the pressure plate (7) is fixedly connected to the winding machine (1), and the other side is fixedly connected to the elastic plate body (71); the adjacent ends of the two groups of elastic plate bodies (71) are fixedly connected with electromagnetic relays (73); the two groups of electromagnetic relays (73) are compatible with each other.

8. The winding machine for producing battery cells with adjustable winding width according to claim 7, characterized in that: A proximity switch (72) is fixedly connected to one side of the elastic plate body (71).

9. A winding machine for producing battery cells with adjustable winding width according to claim 8, characterized in that: The offset angle of the extrusion head (23) is 3-5°.

Images