Battery cell rotating and winding device

Abstract

The utility model discloses a battery cell rotating and winding device, which comprises a clamping unit, a winding unit and a winding unit, the rotating unit comprises a first rotating part and a second rotating part, the first rotating part can drive the first clamping part to rotate, and the second rotating part can drive the second clamping part to rotate; the translation unit comprises a first translation part and a second translation part, the first translation part can drive the first rotating part to translate left and right, and the second translation part can drive the second rotating part to translate left and right; and the lifting unit can drive the translation unit to lift up and down. According to the utility model, after the clamping unit is used for clamping the battery cell monomers formed by stacking, the rotating unit is used for rotating the battery cell monomers so that the battery cell monomers can be wrapped by the isolating membrane, and the translation unit and the lifting unit can adjust the positions of the battery cell monomers wrapped by the isolating membrane; and then the single battery cells are released through the clamping unit, so that the device is suitable for the battery cells with different specifications and is beneficial to improving the working efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece processing, in particular to a battery core rotary winding device. Background Art

[0002] After the positive and negative electrode sheets are stacked to form a battery cell, an isolation film needs to be wrapped on the surface of the battery cell. When wrapping the isolation film, the battery cell needs to be rotated so that the isolation film wraps the battery cell. The battery cell rotation winding device in the prior art has low versatility, and multiple devices need to be used for winding different battery cells, resulting in low work efficiency. Utility Model Content

[0003] The utility model aims to provide a battery core rotating winding device to solve the problems in the prior art, improve the applicability of the battery core rotating winding device, and further improve the working efficiency.

[0004] The utility model provides a battery core rotating winding device, comprising:

[0005] A clamping unit, which can clamp or release the battery cell, wherein the clamping unit comprises a first clamping portion and a second clamping portion, wherein the first clamping portion and the second clamping portion are arranged at two ends of the battery cell along the length direction of the battery cell, and the first clamping portion and the second clamping portion have the same structure;

[0006] The rotating unit comprises a first rotating part and a second rotating part, wherein the first rotating part and the second rotating part have the same structure, the first rotating part can drive the first clamping part to rotate, and the second rotating part can drive the second clamping part to rotate;

[0007] The translation unit comprises a first translation part and a second translation part, wherein the first translation part and the second translation part have the same structure, the first translation part can drive the first rotating part to translate left and right, and the second translation part can drive the second rotating part to translate left and right;

[0008] The lifting unit can drive the translation unit to move up and down.

[0009] In the battery cell rotating winding device as described above, preferably, both the first clamping portion and the second clamping portion include a clamping member and a first driving member, and the first driving member can drive the clamping member to clamp or release the battery cell.

[0010] A battery cell rotating winding device as described above, wherein preferably, the clamping member includes a first clamp and a second clamp, the first clamp and the second clamp are arranged along the thickness direction of the battery cell, and the first driving member can drive the first clamp and the second clamp to rise and fall.

[0011] In the battery core rotating winding device as described above, preferably, the first rotating part and the second rotating part both include a rotating motor, a first gear, a second gear and a first conveyor belt, wherein:

[0012] The output shaft end of the rotating motor is connected to the first gear, the first gear is connected to the second gear through the first conveyor belt, and the second gear is connected to the first driving member.

[0013] In the above-mentioned battery core rotating winding device, preferably, the translation unit further includes a first fixed plate, the first translation part and the second translation part are both arranged on the first fixed plate, and the first translation part and the second translation part both include a translation motor, a translation plate, a third gear, a fourth gear, a second conveyor belt, a first screw rod, and a first screw rod nut, wherein:

[0014] The first rotating part is connected to the translation plate of the first translation part, and the second rotating part is connected to the translation plate of the second translation part;

[0015] The output shaft end of the translation motor is connected to the third gear, the third gear is connected to the fourth gear through the second conveyor belt, one end of the first screw rod is connected to the fourth gear, and the first screw rod nut is fixed to the translation plate;

[0016] The first fixed plate is provided with a first guide rail, and the translation plate is provided with a first sliding block matched with the first guide rail.

[0017] In the above-mentioned battery core rotating winding device, preferably, the lifting unit includes a second fixed plate, a third fixed plate, a lifting motor, a second screw rod, a second screw rod nut, a second guide rail and a second slider matched with the second guide rail, wherein:

[0018] The second fixing plate is connected to the first fixing plate, the output shaft end of the lifting motor is connected to the second screw rod, the second screw rod nut is fixed on the second fixing plate, the second guide rail is arranged on the third fixing plate, and the second slider is arranged on the second fixing plate.

[0019] Compared with the prior art, the utility model can utilize a clamping unit to clamp the stacked battery cell monomers, and then rotate the battery cell monomers through a rotating unit so that the isolation film can wrap the battery cell monomers. The translation unit and the lifting unit can adjust the position of the battery cell monomers wrapped with the isolation film. When entering the next process, the battery cell monomers can be released through the clamping unit. This utility model is suitable for battery cells of different specifications and is beneficial to improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an axonometric diagram of the battery core rotary winding device provided by an embodiment of the utility model;

[0021] Figure 2 This is a front view of the battery core rotating winding device provided by an embodiment of the utility model;

[0022] Figure 3 It is an axonometric diagram of the first clamping part and the second clamping part provided in the embodiment of the utility model;

[0023] Figure 4 It is an axonometric diagram of the first rotating part and the second rotating part provided by the embodiment of the utility model;

[0024] Figure 5 It is an axonometric diagram of the first translation part and the second translation part provided in the embodiment of the utility model;

[0025] Figure 6 It is an axonometric diagram of the lifting unit provided in the embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 100-clamping unit, 101-first clamping portion, 102-second clamping portion, 103-clamping member, 104-first clamping piece, 105-second clamping piece, 106-first driving member;

[0028] 200-rotating unit, 201-first rotating part, 202-second rotating part, 203-rotating motor, 204-first gear, 205-second gear, 206-first conveyor belt;

[0029] 300-translation unit, 301-first translation part, 302-second translation part, 303-first fixing plate, 304-translation motor, 305-translation plate, 306-third gear, 307-fourth gear, 308-second conveyor belt, 309-first screw rod, 310-first screw rod nut, 311-first guide rail, 312-first slider;

[0030] 400-lifting unit, 401-second fixed plate, 402-third fixed plate, 403-lifting motor, 404-second screw rod, 405-second screw rod nut, 406-second guide rail, 407-second slider. DETAILED DESCRIPTION

[0031] The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] After the pole piece and the separator are formed into a cell unit on the stacking device, the angle and position of the cell can be adjusted by the cell rotating winding device so as to smoothly enter the next process. Figure 1 as well as Figure 2 As shown, the utility model provides a battery core rotating winding device, including a clamping unit 100, a rotating unit 200, a translation unit 300 and a lifting unit 400, wherein:

[0033] The clamping unit 100 can clamp or release the battery cell. The clamping unit 100 includes a first clamping portion 101 and a second clamping portion 102. The first clamping portion 101 and the second clamping portion 102 are arranged at both ends of the battery cell along the length direction of the battery cell. The first clamping portion 101 and the second clamping portion 102 have the same structure. In the embodiment provided in the present application, after the battery cell is formed, the first clamping portion 101 and the second clamping portion 102 can clamp both ends of the battery cell. Before winding the isolation film, the first clamping portion 101 and the second clamping portion 102 will clamp the isolation film at the same time, and then the isolation film will be wound. After the winding is completed, when the position of the battery cell is adjusted to the correct posture to enter the next process, the first clamping portion 101 and the second clamping portion 102 can release the battery cell at the same time.

[0034] The rotating unit 200 includes a first rotating part 201 and a second rotating part 202. The first rotating part 201 and the second rotating part 202 have the same structure. The first rotating part 201 can drive the first clamping part 101 to rotate, and the second rotating part 202 can drive the second clamping part 102 to rotate. In the embodiment provided in the present application, after the battery cell is clamped by the clamping unit 100, the first rotating part 201 and the second rotating part 202 are started at the same time, respectively driving the first clamping part 101 and the second clamping part 102 to rotate, and the battery cell rotates accordingly. During the rotation of the battery cell, the isolation film is wound onto the surface of the battery cell, thereby achieving the isolation film wrapping the battery cell.

[0035] The translation unit 300 includes a first translation part 301 and a second translation part 302. The first translation part 301 and the second translation part 302 have the same structure. The first translation part 301 can drive the first rotating part 201 to translate left and right, and the second translation part 302 can drive the second rotating part 202 to translate left and right. In the embodiment provided in the present application, when the size of the battery cell is different, it is necessary to adjust the position of the first clamping part 101 and the second clamping part 102. The first translation part 301 and the second translation part 302 can be used to drive the first rotating part 201 and the second rotating part 202 to move towards each other, so that the first clamping part 101 and the second clamping part 102 are close to each other or away from each other, so as to adapt to the clamping of battery cells of different lengths.

[0036] The lifting unit 400 can drive the translation unit 300 to move up and down. In the embodiment provided in the present application, the lifting unit 400 drives the translation unit 300 to move up and down, which can drive the rotation unit 200 and the clamping unit 100 to move up and down, thereby achieving the lifting and lowering of the battery cell, so as to adjust the battery cell to a position convenient for entering the next process.

[0037] Reference Figure 3 As shown, the first clamping part 101 and the second clamping part 102 both include a clamping member 103 and a first driving member 106, and the first driving member 106 can drive the clamping member 103 to clamp or release the battery cell. The clamping member 103 includes a first clip 104 and a second clip 105, and the first clip 104 and the second clip 105 are arranged along the thickness direction of the battery cell, and the first driving member 106 can drive the first clip 104 and the second clip 105 to rise and fall.

[0038] In the embodiment provided in the present application, the first driving member 106 is a cylinder module. When clamping the battery cell, the cylinder module drives the first clamp 104 to move up and the second clamp 105 to move down respectively to adapt to the thickness of the battery cell. When the battery cell is between the first clamp 104 and the second clamp 105, the cylinder module drives the first clamp 104 and the second clamp 105 to approach the battery cell again until the battery cell is clamped. When the battery cell needs to be released, the cylinder module drives the first clamp 104 and the second clamp 105 away from the battery cell to release the clamping of the battery cell.

[0039] Reference Figure 4 As shown, the first rotating part 201 and the second rotating part 202 both include a rotating motor 203, a first gear 204, a second gear 205 and a first conveyor belt 206, wherein: the output shaft end of the rotating motor 203 is connected to the first gear 204, the first gear 204 and the second gear 205 are connected through the first conveyor belt 206, and the second gear 205 is connected to the first driving member 106.

[0040] In the embodiment provided in the present application, when the isolation film is being wound, the rotating motors 203 of the first rotating part 201 and the second rotating part 202 are started at the same time, driving the first gear 204 to rotate. Under the action of the first conveyor belt 206, the second gear 205 rotates accordingly, and then drives the first clamping part 101 and the second clamping part 102 to rotate at the same time. After the isolation film is wrapped around the battery cell, the battery cell can continue to be rotated to the correct position for entering the next process and then stop rotating.

[0041] Reference Figure 5As shown, the translation unit 300 also includes a first fixed plate 303, the first translation part 301 and the second translation part 302 are both arranged on the first fixed plate 303, the first translation part 301 and the second translation part 302 both include a translation motor 304, a translation plate 305, a third gear 306, a fourth gear 307, a second conveyor belt 308, a first screw rod 309, and a first screw rod nut 310, wherein: the first rotating part 201 is connected to the translation plate 305 of the first translation part 301, and the second The rotating part 202 is connected to the translation plate 305 of the second translation part 302; the output shaft end of the translation motor 304 is connected to the third gear 306, the third gear 306 and the fourth gear 307 are connected through the second conveyor belt 308, one end of the first screw rod 309 is connected to the fourth gear 307, and the first screw rod nut 310 is fixed on the translation plate 305; the first fixed plate 303 is provided with a first guide rail 311, and the translation plate 305 is provided with a first slider 312 that cooperates with the first guide rail 311.

[0042] In order to adapt to the rotation of batteries of different sizes, in the embodiment provided in the present application, the first translation part 301 and the second translation part 302 can drive the first rotating part 201 and the second rotating part 202 to translate left and right, thereby making the first clamping part 101 and the second clamping part 102 approach each other or move away from each other, so as to adjust the distance between the first clamping part 101 and the second clamping part 102. During adjustment, the translation motor 304 starts to drive the third gear 306 to rotate, and through the action of the second conveyor belt 308, the fourth gear 307 rotates accordingly, thereby causing the first screw 309 to rotate, and with the cooperation of the first screw nut 310, the first slider 312 slides left and right along the first guide rail 311, thereby realizing the left and right translation of the first rotating part 201 and the second rotating part 202. In order to ensure the smooth movement of the first translation part 301 and the second translation part 302, two parallel first guide rails 311 are provided on the first fixed plate 303 in the horizontal direction, and four first sliders 312 are provided on each translation plate 305. Each first guide rail 311 is correspondingly provided with two first sliders 312 to cooperate with it.

[0043] Reference Figure 6 As shown, the lifting unit 400 includes a second fixed plate 401, a third fixed plate 402, a lifting motor 403, a second screw rod 404, a second screw rod nut 405, a second guide rail 406 and a second slider 407 matched with the second guide rail 406, wherein: the second fixed plate 401 is connected to the first fixed plate 303, the output shaft end of the lifting motor 403 is connected to the second screw rod 404, the second screw rod nut 405 is fixed on the second fixed plate 401, the second guide rail 406 is arranged on the third fixed plate 402, and the second slider 407 is arranged on the second fixed plate 401.

[0044] In the embodiment provided in the present application, when adjusting the height of the battery cell, the lifting motor 403 is started, driving the second screw 404 to rotate, and the second slider 407 can move along the second guide rail 406 by cooperating with the second screw nut 405, and the second fixed plate 401 moves up and down accordingly, thereby driving the translation unit 300, the rotation unit 200 and the clamping unit 100 to rise and fall at the same time, thereby realizing the lifting and lowering of the battery cell. In order to ensure the stability of the lifting and lowering of the battery cell, two second guide rails 406 are provided, which are arranged parallel to the direction of gravity on the opposite sides of the third fixed plate 402, and four second sliders 407 are provided, and each second guide rail 406 is provided with two second sliders 407 to cooperate with it.

[0045] The above describes in detail the structure, features and effects of the utility model based on the embodiments shown in the drawings. The above is only a preferred embodiment of the utility model, but the utility model is not limited to the scope of implementation shown in the drawings. Any changes made in accordance with the concept of the utility model, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and the drawings, should be within the protection scope of the utility model.

Claims

1. A battery core rotating winding device, characterized in that: include: A clamping unit, which can clamp or release the battery cell, wherein the clamping unit comprises a first clamping portion and a second clamping portion, wherein the first clamping portion and the second clamping portion are arranged at two ends of the battery cell along the length direction of the battery cell, and the first clamping portion and the second clamping portion have the same structure; The rotating unit comprises a first rotating part and a second rotating part, wherein the first rotating part and the second rotating part have the same structure, the first rotating part can drive the first clamping part to rotate, and the second rotating part can drive the second clamping part to rotate; The translation unit comprises a first translation part and a second translation part, wherein the first translation part and the second translation part have the same structure, the first translation part can drive the first rotating part to translate left and right, and the second translation part can drive the second rotating part to translate left and right; The lifting unit can drive the translation unit to move up and down.

2. The battery core rotating winding device according to claim 1, characterized in that: The first clamping portion and the second clamping portion both include a clamping member and a first driving member, and the first driving member can drive the clamping member to clamp or release the battery core.

3. The battery core rotation winding device according to claim 2, characterized in that: The clamping member includes a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arranged along the thickness direction of the battery core, and the first driving member can drive the first clamping piece and the second clamping piece to rise and fall.

4. The battery core rotation winding device according to claim 2, characterized in that: The first rotating part and the second rotating part each include a rotating motor, a first gear, a second gear and a first conveyor belt, wherein: The output shaft end of the rotating motor is connected to the first gear, the first gear is connected to the second gear through the first conveyor belt, and the second gear is connected to the first driving member.

5. The battery core rotation winding device according to claim 4, characterized in that: The translation unit further includes a first fixed plate, the first translation part and the second translation part are both arranged on the first fixed plate, the first translation part and the second translation part both include a translation motor, a translation plate, a third gear, a fourth gear, a second conveyor belt, a first screw rod, and a first screw rod nut, wherein: The first rotating part is connected to the translation plate of the first translation part, and the second rotating part is connected to the translation plate of the second translation part; The output shaft end of the translation motor is connected to the third gear, the third gear is connected to the fourth gear through the second conveyor belt, one end of the first screw rod is connected to the fourth gear, and the first screw rod nut is fixed to the translation plate; The first fixed plate is provided with a first guide rail, and the translation plate is provided with a first sliding block matched with the first guide rail.

6. The battery core rotation winding device according to claim 5, characterized in that: The lifting unit includes a second fixing plate, a third fixing plate, a lifting motor, a second lead screw, a second lead screw nut, a second guide rail, and a second slider matched with the second guide rail, wherein: The second fixing plate is connected to the first fixing plate, the output shaft end of the lifting motor is connected to the second screw rod, the second screw rod nut is fixed on the second fixing plate, the second guide rail is arranged on the third fixing plate, and the second slider is arranged on the second fixing plate.

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