Turnover device and battery production equipment

Abstract

The utility model belongs to the technical field of laser processing, and particularly relates to a turnover device and battery production equipment, the turnover device comprises a lifting mechanism, a first clamping turnover mechanism and a second clamping turnover mechanism, the lifting mechanism is used for bearing a workpiece, and the first clamping turnover mechanism is used for clamping the workpiece; the first clamping and overturning mechanism and the second clamping and overturning mechanism are arranged on the two sides of the lifting mechanism correspondingly, the first clamping and overturning mechanism comprises a first overturning assembly and a first clamping assembly, the first clamping assembly is used for clamping one side of a workpiece, and the first overturning assembly is connected with the first clamping assembly; the second clamping and overturning mechanism comprises a moving assembly, a second overturning assembly and a second clamping assembly, the moving assembly is connected with the second overturning assembly, the second overturning assembly is connected with the second clamping assembly, and the second clamping assembly is used for clamping the other side of the workpiece. Bending and rolling procedures can be conveniently carried out on the tabs on the two sides of the battery module, and the working efficiency is improved.

Description

Technical Field

[0001] The present application belongs to the field of laser processing technology, and more specifically, relates to a flipping device and battery production equipment. Background Art

[0002] Due to the rapid development of new energy batteries, the power source they rely on, namely the on-board power battery pack, has also been continuously updated. Soft-pack batteries have become the first choice for on-board power battery packs due to their advantages in size and energy release speed. Among them, double-ended tab soft-pack batteries are more in line with the needs of on-board power battery packs. After the double-ended tab soft-pack batteries form a battery module, the tabs on both sides of the battery module need to be bent and rolled. However, the bending and rolling of the tabs on both sides of the flat battery module is difficult and the efficiency of the process is low. Utility Model Content

[0003] The embodiment of the present application provides a flipping device and a battery production equipment, which facilitates the bending and rolling process of the tabs on both sides of the battery module by standing up and flipping the battery module, thereby improving work efficiency.

[0004] The technical solution adopted in the embodiment of the present application is: to provide a flipping device, comprising:

[0005] A lifting mechanism for supporting the workpiece;

[0006] A first clamping and flipping mechanism is arranged at one side of the lifting mechanism, and comprises a first flipping assembly and a first clamping assembly, wherein the first clamping assembly is used to clamp one side of the workpiece, and the first flipping assembly is connected to the first clamping assembly to drive the first clamping assembly to flip the workpiece;

[0007] The second clamping and flipping mechanism is arranged on the other side of the lifting mechanism, and includes a moving component, a second flipping component and a second clamping component. The moving component is connected to the second flipping component to drive the second flipping component and the second clamping component to move toward or away from the first clamping and flipping mechanism. The second flipping component is connected to the second clamping component to drive the second clamping component to flip the workpiece. The second clamping component is used to clamp the other side of the workpiece.

[0008] Optionally, the mobile component includes a mobile platform, a mobile driving component and a positioning component. The second flipping component and the second clamping component are arranged on the mobile platform. The mobile driving component is transmission-connected to the mobile platform to drive the mobile platform to move toward or away from the first clamping and flipping mechanism. The positioning component is arranged under the mobile platform, and the positioning component is used to prevent the mobile platform from moving.

[0009] Optionally, the positioning member includes a lifting drive unit and a positioning unit, the lifting drive unit is transmission-connected to the positioning unit to drive the positioning unit to move toward or away from the mobile platform, a positioning hole is provided on the mobile platform, and the positioning unit can be clamped in the positioning hole.

[0010] Optionally, the second flipping assembly includes a second bracket, a second rotating member, a second turntable and a limit member, the second bracket is mounted on the moving assembly, the second rotating member is rotatably mounted on the second bracket, the second rotating member is connected to the second turntable, the second clamping assembly is mounted on the second turntable, the limit member is mounted on the second bracket, and the limit member is used to clamp with the second turntable to prevent the second turntable from rotating.

[0011] Optionally, a plurality of limit holes are provided on the second turntable, and the limit member includes a limit driving part and a limit part, the limit driving part is installed on the second bracket, the limit driving part is transmission connected to the limit part to drive the limit part to move toward or away from the second turntable, and the limit part can be clamped in the limit hole to prevent the second turntable from rotating.

[0012] Optionally, the second flip assembly further includes a guide wheel member, which is rotatably mounted on the moving assembly, the guide wheel member abuts against the second turntable and rotates with the rotation of the second turntable, and the guide wheel member is used to support the second turntable.

[0013] Optionally, the lifting mechanism includes a lifting platform, on which a sliding platform and a rolling part are arranged, the rolling part is rotatably installed on the lifting platform, the sliding platform is slidably arranged on the rolling part, and the sliding platform is used to support the workpiece.

[0014] Optionally, the lifting platform is further provided with a guard edge, the length direction of the guard edge is parallel to the moving direction of the second clamping and flipping mechanism, and the guard edge is arranged on the side of the sliding platform to limit the sliding direction of the sliding platform.

[0015] Optionally, the lifting mechanism also includes a lifting drive and a fixed platform, the fixed platform is arranged below the lifting platform, a guide rod is inserted into the fixed platform, the guide rod is connected to the lifting platform, the lifting drive is passed through the fixed platform and is transmission-connected to the lifting platform, the lifting drive is used to drive the lifting platform to approach or move away from the fixed platform, and a buffer portion is provided on the fixed platform to prevent the lifting platform from overshooting.

[0016] An embodiment of the present application also provides a battery production device, including the above-mentioned flipping device.

[0017] The flipping device and battery production equipment provided by the embodiment of the present application have the following beneficial effects: the flipping device of the embodiment of the present application places the battery module on the lifting mechanism, the moving component of the second clamping and flipping mechanism moves the second flipping component and the second clamping component toward the first clamping and flipping mechanism, the first clamping component and the second clamping component clamp both sides of the battery module, the lifting mechanism descends to avoid the battery module, the first flipping component and the second flipping component jointly rotate the battery module 90°, so that one side of the pole ear of the battery module faces upward, so as to facilitate the bending and rolling process of the pole ear on one side of the battery module, the first flipping component and the second flipping component then flip the battery module 180°, so that the other side of the pole ear of the battery module faces upward, so as to facilitate the bending and rolling process of the other side of the pole ear of the battery module, thus realizing the bending and rolling process of the pole ears on both sides of the battery module, and improving the work efficiency;

[0018] Since the battery production equipment of the embodiment of the present application includes the above-mentioned turning device, it has the beneficial effects brought by the above-mentioned turning device, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 A schematic diagram of the three-dimensional structure of the flipping device provided in an embodiment of the present application;

[0021] Figure 2 A schematic diagram of the three-dimensional structure of a first clamping and flipping mechanism provided in an embodiment of the present application;

[0022] Figure 3 A schematic diagram of the three-dimensional structure of the first clamping and flipping mechanism provided in an embodiment of the present application after removing the outer cover and the first rotating disk;

[0023] Figure 4 A schematic diagram of a three-dimensional structure of a second clamping and flipping mechanism provided in an embodiment of the present application;

[0024] Figure 5 Another schematic diagram of the three-dimensional structure of the second clamping and flipping mechanism provided in an embodiment of the present application;

[0025] Figure 6 A schematic diagram of the three-dimensional structure of a positioning member provided in an embodiment of the present application;

[0026] Figure 7A schematic diagram of the three-dimensional structure of a position limiting member provided in an embodiment of the present application;

[0027] Figure 8 A schematic diagram of the three-dimensional structure of the lifting mechanism provided in an embodiment of the present application.

[0028] Among them, the reference numerals in the figure are:

[0029] 1. Lifting mechanism; 11. Lifting platform; 111. Sliding platform; 112. Rolling part; 113. Sidewall; 12. Lifting drive member; 13. Fixed platform; 131. Guide rod; 132. Buffer part;

[0030] 2. First clamping and flipping mechanism; 21. First flipping assembly; 22. First clamping assembly;

[0031] 3. Second clamping and flipping mechanism; 31. Moving assembly; 32. Second flipping assembly; 33. Second clamping assembly; 311. Moving platform; 312. Moving driving member; 313. Positioning member; 3131. Lifting driving unit; 3132. Positioning unit; 3111. Positioning hole; 321. Second bracket; 322. Second rotating member; 323. Second turntable; 324. Limiting member; 325. Guide wheel member; 3231. Limiting hole; 3241. Limiting driving unit; 3242. Limiting unit. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0034] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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 should not be understood as a limitation on the present application.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0036] See also Figures 1 to 5 , the flipping device provided by the embodiment of the present application is now described. The flipping device provided by the embodiment of the present application includes a lifting mechanism 1, a first clamping and flipping mechanism 2, and a second clamping and flipping mechanism 3. The lifting mechanism 1 is used to support the workpiece, the first clamping and flipping mechanism 2 is arranged on one side of the lifting mechanism 1, the first clamping and flipping mechanism 2 includes a first flipping component 21 and a first clamping component 22, the first clamping component 22 is used to clamp one side of the workpiece, the first flipping component 21 is connected to the first clamping component 22 to drive the first clamping component 22 to flip the workpiece, the second clamping and flipping mechanism 3 is arranged on the other side of the lifting mechanism 1, the second clamping and flipping mechanism 3 includes a moving component 31, a second flipping component 32 and a second clamping component 33, the moving component 31 is connected to the second flipping component 32 to drive the second flipping component 32 and the second clamping component 33 to move toward or away from the first clamping and flipping mechanism 2, the second flipping component 32 is connected to the second clamping component 33 to drive the second clamping component 33 to flip the workpiece, and the second clamping component 33 is used to clamp the other side of the workpiece.

[0037] The workpiece in the embodiment of the present application is a battery module composed of double-ended tab soft-pack cells. In addition, it can also be other workpieces or battery modules that need to be turned over for processing.

[0038] The lifting mechanism 1 can be a platform driven by a linear motor or a cylinder.

[0039] The first clamping and flipping mechanism 2 may include a first bracket, a first flipping assembly 21 and a first clamping assembly 22. The first flipping assembly 21 is mounted on the first bracket, and the first flipping assembly 21 is transmission-connected to the first clamping assembly 22. The first flipping assembly 21 may be a rotary motor or a rotary cylinder. Preferably, the first flipping assembly 21 includes a first rotating member, a driving gear, a driven gear and a first turntable, wherein the first rotating member may be a rotary motor connected to a reducer, the first rotating member is mounted on the bracket, the first rotating member is transmission-connected to the driving gear, the driving gear is meshed with the driven gear, the driven gear is connected to the first turntable, the first clamping assembly 22 is mounted on the first turntable, and the first rotating member drives the driving gear to rotate, thereby rotating the first clamping assembly 22 through the driven gear and the turntable.

[0040] The first clamping component 22 may be a clamping claw, or a contoured groove for clamping with one side of the workpiece.

[0041] The moving component 31 of the second clamping and flipping mechanism 3 can be a cylinder or a linear motor module. The second flipping component 32 can adopt the same structure as the first flipping component 21 , and the second clamping component 33 can adopt the same structure as the first clamping component 22 .

[0042] The battery module is placed on the lifting mechanism 1, and the moving component 31 of the second clamping and flipping mechanism 3 moves the second flipping component 32 and the second clamping component 33 towards the first clamping and flipping mechanism 2. The first clamping component 22 and the second clamping component 33 clamp both sides of the battery module. The lifting mechanism 1 descends to avoid the battery module. The first flipping component 21 and the second flipping component 32 jointly rotate the battery module 90° so that one side of the pole ear of the battery module faces upward, so as to facilitate bending and rolling of one side of the pole ear of the battery module. The first flipping component 21 and the second flipping component 32 flip the battery module 180° so that the other side of the pole ear of the battery module faces upward, so as to facilitate bending and rolling of the other side of the pole ear of the battery module. In this way, the bending and rolling of the pole ears on both sides of the battery module are achieved, thereby improving work efficiency.

[0043] The flipping device of the embodiment of the present application can be applicable to battery modules of different models and has strong compatibility with processed products.

[0044] See also Figure 4 and Figure 5 Preferably, the moving component 31 includes a moving platform 311, a moving driving component 312 and a positioning component 313. The second flipping component 32 and the second clamping component 33 are arranged on the moving platform 311. The moving driving component 312 is transmission-connected to the moving platform 311 to drive the moving platform 311 to move toward or away from the first clamping and flipping mechanism 2. The positioning component 313 is arranged below the moving platform 311, and the positioning component 313 is used to prevent the moving platform 311.

[0045] The moving driving member 312 may be a cylinder or a linear motor module. The positioning member 313 may include a lifting cylinder, an abutment portion, and an adsorption portion. The lifting cylinder is in transmission connection with the abutment portion to drive the abutment portion to move toward or away from the moving platform 311. The adsorption portion may be a suction cup connected to an external vacuum device. The adsorption portion is disposed on the abutment portion and is used to adsorb the moving platform 311 to prevent the moving platform 311 from moving.

[0046] When the tabs of the battery module are bent and rolled, the mobile platform 311 may be displaced, which may affect the bending and rolling effects of the tabs. The positioning member 313 fixes the mobile platform 311 to prevent the mobile platform 311 from moving during the bending and rolling tabs process.

[0047] See also Figure 6 Preferably, the positioning member 313 includes a lifting drive unit 3131 and a positioning unit 3132. The lifting drive unit 3131 is transmission-connected with the positioning unit 3132 to drive the positioning unit 3132 to move toward or away from the mobile platform 311. A positioning hole 3111 is provided on the mobile platform 311, and the positioning unit 3132 can be clamped in the positioning hole 3111.

[0048] The positioning portion 3132 may be configured as an insertion rod, or as a lifting platform, on which a protrusion for engaging with the positioning hole 3111 is provided.

[0049] When the mobile driving member 312 drives the mobile platform 311 to move toward the first clamping and flipping mechanism 2, and the first clamping component 22 and the second clamping component 33 jointly clamp the two sides of the battery module, the lifting driving part 3131 drives the positioning part 3132 to move toward the mobile platform 311 so that the positioning part 3132 is clamped in the positioning hole 3111 on the mobile platform 311 to prevent the mobile platform 311 from moving; when the pole ear of the battery module is bent and rolled, the lifting driving part 3131 drives the positioning part 3132 to move away from the mobile platform 311, and the mobile driving member 312 drives the mobile platform 311 to move away from the first clamping and flipping mechanism 2, and the first clamping component 22 and the second clamping component 33 release the battery module.

[0050] Preferably, the second flipping assembly 32 includes a second bracket 321, a second rotating member 322, a second turntable 323 and a limit member 324, the second bracket 321 is mounted on the moving assembly 31, the second rotating member 322 is rotatably mounted on the second bracket 321, the second rotating member 322 is connected to the second turntable 323, the second clamping assembly 33 is mounted on the second turntable 323, the limit member 324 is mounted on the second bracket 321, and the limit member 324 is used to engage with the second turntable 323 to prevent the second turntable 323 from rotating.

[0051] The second bracket 321 is installed on the moving platform 311 of the moving component 31. When the first flip component 21 includes a first rotating member, a driving gear, a driven gear and a first turntable, wherein the first rotating member is a rotating motor connected to the reducer, the first rotating member is installed on the bracket, the first rotating member is transmission-connected to the driving gear, the driving gear is meshed with the driven gear, the driven gear is connected to the first turntable, and the first clamping component 22 is installed on the first turntable, the second rotating member 322 can be a rotating shaft installed on the second bracket 321, and the first rotating member drives the driving gear to rotate, so that when the first clamping component 22 is rotated by the driven gear and the turntable, the second clamping component 33, the second turntable 323 and the second rotating member 322 can be driven to rotate through the battery module.

[0052] The stopper 324 can prevent the second turntable 323 from rotating when the tabs of the battery module are bent and rolled, and the stopper 324 improves the stability of the second turntable 323. The stopper 324 can adopt the same structure as the positioning member 313.

[0053] See also Figure 7 Preferably, a plurality of limiting holes 3231 are provided on the second turntable 323, the limiting member 324 includes a limiting driving portion 3241 and a limiting portion 3242, the limiting driving portion is installed on the second bracket, the limiting driving portion 3241 is transmission-connected with the limiting portion 3242 to drive the limiting portion 3242 to move toward or away from the second turntable 323, and the limiting portion 3242 can be clamped in the limiting hole 3231 to prevent the second turntable 323 from rotating.

[0054] When the first clamping assembly 22 and the second clamping assembly 33 clamp the two sides of the battery module, the lifting mechanism 1 descends to avoid the battery module, and after the first flip assembly 21 and the second flip assembly 32 rotate the battery module together, the limit driving part 3241 drives the limit part 3242 to move toward the second turntable 323 so that the limit part 3242 is stuck in the limit hole 3231; after the tabs on the battery module are bent and rolled, the limit driving part 3241 drives the limit part 3242 to move away from the second turntable 323 so that the limit part 3242 escapes from the limit hole 3231, and the first flip assembly 21 and the second flip assembly 32 rotate the battery module again.

[0055] The limiting driving part 3241 can be a pneumatic cylinder, an electric cylinder or a linear motor.

[0056] The first turntable or the second turntable 323 may also be provided with a position sensing element to sense the rotation angle of the first turntable or the second turntable 323 through a photoelectric sensor and a sensing sheet.

[0057] The second flip assembly 32 further includes a guide wheel 325 rotatably mounted on the moving assembly 31 , the guide wheel 325 abuts against the second turntable 323 and rotates with the rotation of the second turntable 323 , and the guide wheel 325 is used to support the second turntable 323 .

[0058] The second turning assembly 32 may be provided with two guide wheel members 325, which are respectively provided on both sides of the second rotating disk 323 to support the rotating disk. The guide wheel member 325 may include a mounting portion, a rotating shaft, and a guide wheel. The mounting portion is mounted on the mobile platform 311, and the guide wheel is rotatably mounted on the mounting portion through the rotating shaft. A limiting groove is provided on the contact surface between the guide wheel and the second rotating disk 323, and the edge of the second rotating disk 323 can be clamped in the limiting groove to improve the stability of the second rotating disk 323 when rotating.

[0059] See also Figure 8 The lifting mechanism 1 includes a lifting platform 11, on which a sliding platform 111 and a rolling portion 112 are provided. The rolling portion 112 is rollably installed on the lifting platform 11, and the sliding platform 111 is slidably arranged on the rolling portion 112. The sliding platform 111 is used to support a workpiece.

[0060] The rolling portion 112 may be a roller, a ball bearing or a universal wheel rollingly disposed on the lifting platform 11 . The rolling portion 112 may facilitate the sliding platform 111 to move on the lifting platform 11 .

[0061] The lifting platform 11 is also provided with a retaining edge 113 , the length direction of which is parallel to the moving direction of the second clamping and flipping mechanism 3 . The retaining edge 113 is provided on the side of the sliding platform 111 to limit the sliding direction of the sliding platform 111 .

[0062] The lifting mechanism 1 also includes a lifting drive 12 and a fixed platform 13. The fixed platform 13 is arranged below the lifting platform 11. A guide rod 131 is inserted into the fixed platform 13. The guide rod 131 is connected to the lifting platform 11. The lifting drive 12 is penetrated by the fixed platform 13 and is transmission-connected to the lifting platform 11. The lifting drive 12 is used to drive the lifting platform 11 to approach or move away from the fixed platform 13. A buffer portion 132 is provided on the fixed platform 13 to prevent the lifting platform 11 from overshooting.

[0063] The buffer portion 132 may be configured as an elastic member such as a spring or elastic silica gel to prevent the lifting platform 11 from overshooting when approaching the fixed platform 13 .

[0064] The flipping device may include a safety control component, which includes a safety grating and a control button. The staff can control the operation of the device through the control button. The safety grating can prevent safety accidents caused by the flipping device during operation by the staff, so as to improve production safety.

[0065] An embodiment of the present application also provides a battery production device, including the above-mentioned flipping device.

[0066] Since the battery production equipment of the embodiment of the present application includes the flipping device in any of the above embodiments, it has the beneficial effects brought by the flipping device in any of the above embodiments, which will not be described in detail here.

[0067] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A turning device, characterized in that: include: A lifting mechanism for supporting the workpiece; A first clamping and flipping mechanism is arranged at one side of the lifting mechanism, and comprises a first flipping assembly and a first clamping assembly, wherein the first clamping assembly is used to clamp one side of the workpiece, and the first flipping assembly is connected to the first clamping assembly to drive the first clamping assembly to flip the workpiece; The second clamping and flipping mechanism is arranged on the other side of the lifting mechanism, and includes a moving component, a second flipping component and a second clamping component. The moving component is connected to the second flipping component to drive the second flipping component and the second clamping component to move toward or away from the first clamping and flipping mechanism. The second flipping component is connected to the second clamping component to drive the second clamping component to flip the workpiece. The second clamping component is used to clamp the other side of the workpiece.

2. The turning device according to claim 1, characterized in that: The mobile component includes a mobile platform, a mobile driving component and a positioning component. The second flipping component and the second clamping component are arranged on the mobile platform. The mobile driving component is transmission-connected to the mobile platform to drive the mobile platform to move toward or away from the first clamping and flipping mechanism. The positioning component is arranged under the mobile platform, and the positioning component is used to prevent the mobile platform from moving.

3. The turning device according to claim 2, characterized in that: The positioning member includes a lifting drive part and a positioning part. The lifting drive part is transmission-connected with the positioning part to drive the positioning part to move toward or away from the mobile platform. A positioning hole is provided on the mobile platform, and the positioning part can be clamped in the positioning hole.

4. The turning device according to claim 1, characterized in that: The second flipping assembly includes a second bracket, a second rotating member, a second turntable and a limiting member. The second bracket is mounted on the moving assembly. The second rotating member is rotatably mounted on the second bracket. The second rotating member is connected to the second turntable. The second clamping assembly is mounted on the second turntable. The limiting member is mounted on the second bracket. The limiting member is used to clamp with the second turntable to prevent the second turntable from rotating.

5. The turning device according to claim 4, characterized in that: A plurality of limiting holes are provided on the second turntable, and the limiting member includes a limiting driving part and a limiting part. The limiting driving part is installed on the second bracket, and the limiting driving part is transmission-connected with the limiting part to drive the limiting part to move toward or away from the second turntable. The limiting part can be clamped in the limiting hole to prevent the second turntable from rotating.

6. The turning device according to claim 4, characterized in that: The second flip assembly further includes a guide wheel component, which is rotatably mounted on the moving assembly, abuts against the second turntable and rotates with the rotation of the second turntable, and is used to support the second turntable.

7. The turning device according to any one of claims 1 to 6, characterized in that: The lifting mechanism comprises a lifting platform, on which a sliding platform and a rolling part are arranged. The rolling part is rotatably mounted on the lifting platform, and the sliding platform is slidably arranged on the rolling part. The sliding platform is used to support a workpiece.

8. The turning device according to claim 7, characterized in that: The lifting platform is also provided with a rib, the length direction of which is parallel to the moving direction of the second clamping and flipping mechanism, and the rib is provided on the side of the sliding platform to limit the sliding direction of the sliding platform.

9. The turning device according to claim 8, characterized in that: The lifting mechanism also includes a lifting drive and a fixed platform. The fixed platform is arranged below the lifting platform. A guide rod is inserted on the fixed platform, and the guide rod is connected to the lifting platform. The lifting drive passes through the fixed platform and is transmission-connected to the lifting platform. The lifting drive is used to drive the lifting platform to approach or move away from the fixed platform. A buffer is arranged on the fixed platform to prevent the lifting platform from overshooting.

10. A battery production device, characterized in that: The invention comprises the turning device according to any one of claims 1 to 9.

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