Loading and unloading positioning device

Abstract

The utility model belongs to the technical field of battery packaging, and discloses a feeding and discharging positioning device which comprises a rotating assembly, four mounting plates, a plurality of first connecting plates, a plurality of tab jigs, a plurality of second connecting plates and a plurality of film coating jigs. The rotating assembly comprises a divider and a rotating disc, and the mounting plate is in lap joint with the rotating disc. The first connecting plates are located between the two mounting plates, and the second connecting plate is connected with the two first connecting plates. When the tab jig and the first connecting plate are in a detached state, the distance from the tab jig to the mounting plate can be adjusted, and when the tab jig and the first connecting plate are in a fixed state, the tab of the battery cell can be erected on the adjusted tab jig. And each film coating jig comprises an adjustable part and a positioning part, the adjustable part is located between the mounting plate and the second connecting plate, and when the adjustable part and the second connecting plate are in a detached state, the distance between the adjustable part and the mounting plate can be adjusted. The feeding and discharging positioning device is simple in battery cell positioning and mounting, good in positioning effect and high in universality.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packaging, in particular to a loading and unloading positioning device. Background Art

[0002] Soft-pack lithium-ion batteries are widely used because of their small size, high energy density, high safety, and the fact that they can be designed into any shape according to different needs. In the processing of soft-pack lithium-ion batteries, it is necessary to wrap aluminum-plastic film around the battery cell to provide the battery with a certain molding ability and strength. In the process of aluminum-plastic film packaging, in order to ensure the integrity and sealing of the aluminum-plastic film, a packaging machine is required for top-low-side packaging. Usually, in order to increase work efficiency and enable packaging of other battery cells while loading and unloading the battery cells, multiple fixtures for clamping the battery cells are set on a rotating disk, and then the corresponding packaging stations are separated by a divider. For example, they correspond to the loading station, top and bottom packaging station, side packaging station, and unloading station, respectively. While the top and bottom packaging station and the side packaging station perform top and bottom packaging and side packaging on the two battery cells respectively, the loading station can be loaded and the unloading station can be unloaded.

[0003] Usually, the fixture for clamping the battery cell can fix the tabs at both ends of the battery cell and the outer film edge of the battery cell. However, due to welding errors, the lengths of the tabs at both ends of different battery cells may be different; similarly, due to wrapping operation errors, the widths of the outer film edge remaining on both sides of the battery cell are different, resulting in difficulties in loading and unloading the battery cell and poor positioning effect of the fixture for clamping the battery cell. Therefore, it is urgent to propose a loading and unloading positioning device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a loading and unloading positioning device, which is simple to position and install the battery core, has a good positioning effect and is highly universal.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A loading and unloading positioning device, used for positioning and clamping a battery cell with an outer film, comprises a rotating assembly and four mounting plates, the rotating assembly comprises a divider and a rotating disk, the divider is a four-equally divided divider located at the bottom of the rotating disk, so that the four sides of the rotating disk correspond to the loading station, the first packaging station, the second packaging station and the unloading station respectively, the four mounting plates correspond to the loading station, the first packaging station, the second packaging station and the unloading station respectively, one end of the four mounting plates is respectively overlapped with the four sides of the rotating disk, and the other end extends outward in a direction away from the rotating disk to form a cross shape, the battery cell can be placed in the mounting groove on the top surface of the mounting plate, and the loading and unloading positioning device also includes:

[0007] A plurality of first connecting plates, each of which is located between two adjacent mounting plates along the circumferential direction of the rotating disk, and each of which has one end connected to four corners of the rotating disk and the other end extending away from the rotating disk;

[0008] A plurality of tab jigs are respectively located between two adjacent mounting plates and the first connecting plate along the circumferential direction of the rotating disk, one end of the tab jig is connected to the first connecting plate, and the other end extends toward the mounting plate. When the tab jig and the first connecting plate are in a disassembled state, the tab jig can adjust the distance from the tab jig to the mounting plate. When the tab jig and the first connecting plate are in a fixed state, the tab of the battery cell can be placed on the adjusted tab jig.

[0009] A plurality of second connecting plates, respectively connecting two adjacent first connecting plates along the circumference of the rotating disk, and located at one end of the mounting plate away from the rotating disk;

[0010] Multiple film wrapping jigs, each of the film wrapping jigs includes an adjustable part and a positioning part, the adjustable part is located between the adjacent mounting plate and the second connecting plate, one end of the adjustable part is connected to the second connecting plate, and the other end extends toward the mounting plate, when the adjustable part and the second connecting plate are in a disassembled state, the adjustable part can adjust the distance from the adjustable part to the mounting plate, when the adjustable part and the second connecting plate are in a fixed state, the other end of the adjustable part can abut and fix the film edge on one side of the battery cell, and the positioning part is located on the mounting plate, and connects and positions the film edge on the other side of the battery cell.

[0011] Preferably, the first connecting plate is a quarter-circle sector plate, the center of the sector plate is connected to the corner of the rotating disk, and the right-angled side of the sector plate is parallel to the length side of the adjacent mounting plate.

[0012] Preferably, the second connecting plate is an arc-shaped strip plate, and the arc angle and center position of the arc-shaped edge of the arc-shaped strip plate are the same as those of the arc-shaped edge of the fan-shaped plate.

[0013] Preferably, a first strip hole is provided on the tab jig, the dimension of the first strip hole along a direction perpendicular to the right-angled side of the fan-shaped plate is larger than the dimension along the right-angled side of the fan-shaped plate, a first positioning hole is provided on the fan-shaped plate, and a first connecting member passes through the first strip hole and the first positioning hole to connect the tab jig and the fan-shaped plate.

[0014] Preferably, a plurality of first positioning holes are provided on the fan-shaped plate at intervals along the right-angled side of the fan-shaped plate.

[0015] Preferably, the adjustable part is provided with a second strip hole, the dimension of the second strip hole along the right-angled side of the fan-shaped plate is larger than the dimension along the direction perpendicular to the right-angled side of the fan-shaped plate, and the arc strip is provided with a second positioning hole. The second connecting part passes through the second strip hole and the second positioning hole to connect the adjustable part and the arc strip.

[0016] Preferably, a plurality of second positioning holes are provided at intervals on the arc-shaped strip plate in a direction perpendicular to the right-angled side of the fan-shaped plate.

[0017] Preferably, the adjustable part includes a fixing seat and a Z-shaped plate, the fixing seat is fixed to the top surface of the arc-shaped strip, one end of the Z-shaped plate is connected to the top surface of the fixing seat, and a first positioning column is provided on the top surface of the other end, and the coating edge of the battery cell passes through the first positioning column to attach the Z-shaped plate.

[0018] Preferably, the loading and unloading positioning device also includes four pressure plates and four connecting rods. The pressure plate can be covered on the installation slot to press the battery cell. One end of the connecting rod is connected to the pressure plate, and the other end is hinged to the rotating disk. The rotation of the connecting rod can drive the pressure plate to open and close the installation slot.

[0019] Preferably, a through hole is provided at the center of the rotating disk, and the loading and unloading positioning device also includes a support member and a driving member, one end of the support member is connected to the divider, and the other end is connected to the driving member through the through hole, and the driving member can drive the connecting rods at the corresponding positions of the loading station and the unloading station to rotate.

[0020] Beneficial effects of the utility model: The loading and unloading positioning device provided by the utility model is used for positioning and clamping the battery cells with outer coatings, and includes a rotating assembly, four mounting plates, a plurality of first connecting plates, a plurality of tab fixtures, a plurality of second connecting plates and a plurality of coating fixtures. The rotating assembly includes a divider and a rotating disk, and the divider makes the four sides of the rotating disk correspond to the loading station, the first packaging station, the second packaging station and the unloading station respectively. The four mounting plates correspond to the loading station, the first packaging station, the second packaging station and the unloading station respectively, and one end of the four mounting plates overlaps the four sides of the rotating disk respectively. The battery cells can be placed in the mounting grooves on the top surface of the mounting plates, so that the loading and unloading stations can be loaded and unloaded while the first packaging station and the second packaging station can package other battery cells, thereby improving work efficiency. The plurality of first connecting plates are respectively located between the two mounting plates, and are respectively connected to the four corners of the rotating disk. A plurality of tab jigs are respectively located between two adjacent mounting plates and the first connecting plate. When the tab jig and the first connecting plate are in a disassembled state, the distance from the tab jig to the mounting plate can be adjusted. When the tab jig and the first connecting plate are in a fixed state, the tabs of the battery cell can be placed on the adjusted tab jig. The first connecting plate can fix the tab jig. The adjustable connection between the tab jig and the first connecting plate enables the tab jig to be suitable for different tab sizes on the battery cell, thereby improving the universality of the loading and unloading positioning device. A plurality of second connecting plates are respectively connected to two adjacent first connecting plates for fixing the coating jig. Each coating jig includes an adjustable part and a positioning part. The adjustable part is located between the mounting plate and the second connecting plate. The adjustable part is connected to the second connecting plate. When the adjustable part and the second connecting plate are in a disassembled state, the distance from the adjustable part to the mounting plate can be adjusted. When the adjustable part and the second connecting plate are in a fixed state, the other end of the adjustable part can abut against the coating edge of one side of the fixed battery cell. The adjustable part is connected to the second connecting plate in an adjustable manner to adapt to the film edges of the battery cells of different sizes. The positioning part is located on the mounting plate, connected to the film edge on the other side of the positioning battery cell, and the battery cell is positioned and installed together with the mounting plate and the adjustable part, which is simple to install and has a good positioning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a loading and unloading positioning device provided in an embodiment of the utility model;

[0022] Figure 2 yes Figure 1 A magnified view at point A;

[0023] Figure 3 yes Figure 1 Enlarged view at B.

[0024] In the figure:

[0025] 1. Loading station; 2. First packaging station; 3. Second packaging station; 4. Unloading station; 110. Rotating disk; 200. Mounting plate; 300. First connecting plate; 301. First positioning hole; 400. Tab fixture; 401. First strip hole; 500. Second connecting plate; 501. Second positioning hole; 600. Coating fixture; 610. Adjustable part; 611. Fixed seat; 612. Z-shaped plate; 620. Positioning part; 601. Second strip hole; 700. Pressing plate; 800. Connecting rod; 900. Driving part. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0027] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0029] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0030] The loading and unloading positioning device provided in this embodiment is simple in positioning and installing the battery cells, has a good positioning effect, and is highly universal.

[0031] Specific as Figure 1 , Figure 2 and Figure 3As shown, the loading and unloading positioning device is used to position and clamp the battery cell with an outer film, including a rotating assembly, four mounting plates 200, a plurality of first connecting plates 300, a plurality of tab fixtures 400, a plurality of second connecting plates 500 and a plurality of film fixtures 600. The rotating component includes a divider and a rotating disk 110. The divider is a four-equal-divided divider located at the bottom of the rotating disk 110, so that the four sides of the rotating disk 110 correspond to the loading station 1, the first packaging station 2, the second packaging station 3 and the unloading station 4 respectively. The four mounting plates 200 correspond to the loading station 1, the first packaging station 2, the second packaging station 3 and the unloading station 4 respectively. One end of the four mounting plates 200 is overlapped on the four sides of the rotating disk 110 respectively, and the other end extends outward in the direction away from the rotating disk 110 to form a cross shape. The battery cell can be placed in the mounting groove on the top surface of the mounting plate 200, so that the loading station 1 and the unloading station 4 can load and unload at the same time, while the first packaging station 2 and the second packaging station 3 can package other battery cells, thereby improving work efficiency. The plurality of first connecting plates 300 are respectively located between two mounting plates 200 adjacent to each other in the circumferential direction of the rotating disk 110, and one end of the first connecting plates 300 is respectively connected to the four corners of the rotating disk 110, and the other end extends in a direction away from the rotating disk 110. The plurality of tab fixtures 400 are respectively located between two mounting plates 200 adjacent to each other in the circumferential direction of the rotating disk 110 and the first connecting plate 300, and one end of the tab fixture 400 is connected to the first connecting plate 300, and the other end extends in a direction close to the mounting plate 200. When the tab fixture 400 and the first connecting plate 300 are in a disassembled state, the tab fixture 400 can adjust the distance from the tab fixture 400 to the mounting plate 200, and when the tab fixture 400 and the first connecting plate 300 are in a fixed state, the tab of the battery cell can be placed on the adjusted tab fixture 400. The first connecting plate 300 can fix the tab fixture 400. The tab fixture 400 is adjustably connected to the first connecting plate 300 so that the tab fixture 400 can be adapted to different tab sizes on the battery cell, thereby improving the universality of the loading and unloading positioning device. A plurality of second connecting plates 500 are respectively connected to two first connecting plates 300 adjacent to each other along the circumference of the rotating disk 110, and are located at the end of the mounting plate 200 away from the rotating disk 110. Each coating fixture 600 includes an adjustable part 610 and a positioning part 620. The adjustable part 610 is located between the adjacent mounting plate 200 and the second connecting plate 500. One end of the adjustable part 610 is connected to the second connecting plate 500, and the other end extends toward the mounting plate 200. When the adjustable member 610 and the second connecting plate 500 are in a disassembled state, the adjustable member 610 can adjust the distance between the adjustable member 610 and the mounting plate 200. When the adjustable member 610 and the second connecting plate 500 are in a fixed state, the other end of the adjustable member 610 can abut against the film edge of one side of the fixed battery cell. The adjustable connection between the adjustable member 610 and the second connecting plate 500 can adapt to the film edges of battery cells of different sizes.The positioning member 620 is located on the mounting plate 200, connected to the film edge on the other side of the positioning cell, and is used together with the mounting plate 200 and the adjustable member 610 to position and install the cell, which is easy to install and has a good positioning effect.

[0032] Furthermore, the loading and unloading positioning device also includes four pressing plates 700 and four connecting rods 800. The pressing plates 700 can be covered on the installation slots to press the battery cells. One end of the connecting rod 800 is connected to the pressing plates 700, and the other end is hinged to the rotating disk 110. The rotation of the connecting rod 800 can drive the pressing plates 700 to open and close the installation slots. The pressing plates 700 can fix the battery cells in the installation slots, and the connecting rods 800 at the hinged ends are pressed down, and the other end of the connecting rods 800 is tilted, driving the pressing plates 700 to move up to open the installation slots, so that the battery cells can be loaded and unloaded.

[0033] In this embodiment, springs are provided on both sides of the connecting rod 800 to facilitate the return of the connecting rod 800.

[0034] Furthermore, in order to improve the automation degree of the loading and unloading positioning device, a through hole is provided at the center of the rotating disk 110, and the loading and unloading positioning device further comprises a support member and a driving member 900, one end of the support member is connected to the divider, and the other end passes through the through hole to connect the driving member 900, and the driving member 900 can drive the connecting rod 800 at the corresponding positions of the loading station 1 and the unloading station 4 to rotate. The connecting rod 800 is pressed down by the driving member 900, and the automation degree is high.

[0035] In this embodiment, the driving member 900 is two cylinders, and the two cylinders are fixed on an L-shaped plate, and the apex of the L-shaped plate is connected to the supporting member.

[0036] Continue as Figure 1 As shown, in order to achieve aesthetic symmetry and simplify the structure of the loading and unloading positioning device to facilitate the installation of the tab fixture 400, the first connecting plate 300 is a quarter-circle fan-shaped plate, the center of the fan-shaped plate is connected to the corner of the rotating disk 110, and the right-angled side of the fan-shaped plate is parallel to the length side of the adjacent mounting plate 200.

[0037] Similarly, in order to make the loading and unloading positioning device beautiful and symmetrical and simplify the structure to facilitate the positioning and installation of the battery cell, the second connecting plate 500 is an arc-shaped strip plate, and the arc edge of the arc-shaped strip plate and the arc edge of the fan-shaped plate have the same arc and center position. The rotating disk 110, the installation disk, the first connecting plate 300 and the second connecting plate 500 form a circular disk that is connected to each other.

[0038] The tab fixture 400 is provided with a first strip hole 401, the dimension of the first strip hole 401 along the direction perpendicular to the right angle side of the fan-shaped plate is larger than the dimension along the right angle side of the fan-shaped plate, the fan-shaped plate is provided with a first positioning hole 301, and the first connecting member penetrates the first strip hole 401 and the first positioning hole 301 to connect the tab fixture 400 and the fan-shaped plate. The adjustable connection of the tab fixture 400 and the first connecting plate 300 is connected through the first strip hole 401 and the first positioning hole 301, and the connection method is simple and convenient to operate.

[0039] Furthermore, in order to adjust the connection position between the tab fixture 400 and the first connecting plate 300 in a direction parallel to the right-angle side of the fan-shaped plate, a plurality of first positioning holes 301 are provided on the fan-shaped plate along the right-angle side of the fan-shaped plate to accommodate the tabs welded at different positions in the width direction of the battery.

[0040] Similarly, the adjustable member 610 is provided with a second strip hole 601, the dimension of the second strip hole 601 along the right angle side of the fan plate is greater than the dimension along the direction perpendicular to the right angle side of the fan plate, the arc strip is provided with a second positioning hole 501, and the second connecting member penetrates the second strip hole 601 and the second positioning hole 501 to connect the adjustable member 610 and the arc strip. The adjustable connection of the adjustable member 610 and the second connecting plate 500 is connected through the second strip hole 601 and the second positioning hole 501, and the connection method is simple and convenient to operate.

[0041] Furthermore, a plurality of second positioning holes 501 are provided at intervals along the upper edge of the arc strip perpendicular to the right angle side of the fan-shaped plate, which can change the connection position of the adjustable part 610 and the coating edge of the battery cell perpendicular to the right angle side of the fan-shaped plate, and the connection flexibility is stronger.

[0042] In this embodiment, the adjustable member 610 includes a fixing seat 611 and a Z-shaped plate 612. The fixing seat 611 is fixed to the top surface of the arc-shaped strip plate. One end of the Z-shaped plate 612 is connected to the top surface of the fixing seat 611, and a first positioning column is provided on the top surface of the other end. The coating edge of the battery cell passes through the first positioning column and is attached to the Z-shaped plate 612. When installing the battery cell, the coating edge of the battery cell is passed through the first positioning column from above the first positioning column, and positioning and installing the battery cell is simple and convenient.

[0043] The loading and unloading positioning device also includes a second positioning column. When installing the battery cell, the other side of the battery cell is passed through the second positioning column from above the second positioning column, so that the positioning and installation of the battery cell is simple and convenient.

[0044] In the specific working process, the loading and unloading positioning device provided in this embodiment can be loaded and unloaded manually or automatically by a manipulator. When the processing starts, the cylinder corresponding to the loading station 1 starts to drive and presses down the connecting rod 800 at the loading station 1. The connecting rod 800 rotates to drive the pressing plate 700 to tilt up and open the mounting groove on the mounting plate 200. The staff adjusts the position of the adjusting piece according to the size of the battery cell film edge, and adjusts the position of the tab fixture 400 according to the position of the battery cell tab, and then respectively penetrates the first positioning column and the second positioning column on both sides of the battery cell film edge, puts the battery cell into the mounting groove, and at the same time, the tab of the battery cell is attached to the tab fixture 400. The cylinder retracts, the spring pulls the connecting rod 800 back to its position, and the pressing plate 700 is pressed on the top of the battery cell, and the loading process is completed. The rotating disk 110 rotates, and the battery cell rotates to the first packaging station 2, and the top and bottom packaging machine performs top and bottom packaging on the battery cell; at the same time, the cylinder at the loading station 1 presses down the connecting rod 800 again to drive the pressing plate 700 to tilt up and open the vacant installation slot, and put the battery cell to be processed again, and repeat the aforementioned loading process. Then the rotating disk 110 continues to rotate, and the battery cell that has completed the top and bottom sealing is moved to the second packaging station 3, and the battery cell is side-packaged at the second packaging station 3. The first packaging station 2 also performs top and bottom packaging on the battery cell that is placed later; at this time, the loading process can be repeated at the loading station 1. After the side packaging is completed, the rotating disk 110 rotates again, and the battery cell that has completed the side packaging moves to the unloading station. The cylinder at the unloading station is started, and the connecting rod 800 is pressed down to drive the pressing plate 700 to tilt up and open the installation slot of the installation plate 200. The staff or the robot takes out the packaged battery cell, and the packaging process of one battery cell is completed. Similarly, the battery cells that have completed top and bottom packaging are side packaged at the second packaging station 3, and the last battery cells are top and bottom packaged at the first packaging station 2, and the loading process is repeated at the loading station 1.

[0045] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A loading and unloading positioning device for positioning and clamping an electric core with an outer film, comprising a rotating component and four mounting plates (200), wherein the rotating component comprises a divider and a rotating disk (110), wherein the divider is a four-equally divided divider located at the bottom of the rotating disk (110), so that the four sides of the rotating disk (110) correspond to the loading station (1), the first packaging station (2), the second packaging station (3) and the unloading station (4) in sequence, respectively, and the four mounting plates (200) correspond to the loading station (1), the first packaging station (2), the second packaging station (3) and the unloading station (4) respectively, one end of the four mounting plates (200) is respectively overlapped with the four sides of the rotating disk (110), and the other end extends outward in a direction away from the rotating disk (110) to form a cross shape, and the electric core can be placed in the mounting groove on the top surface of the mounting plate (200), characterized in that The loading and unloading positioning device also includes: A plurality of first connecting plates (300), each of which is located between two adjacent mounting plates (200) along the circumferential direction of the rotating disk (110), and each of which has one end connected to four corners of the rotating disk (110) and the other end extending in a direction away from the rotating disk (110); A plurality of tab jigs (400), respectively located between two of the mounting plates (200) and the first connecting plate (300) adjacent to each other in the circumferential direction of the rotating disk (110); one end of the tab jig (400) is connected to the first connecting plate (300), and the other end extends toward the mounting plate (200); when the tab jig (400) and the first connecting plate (300) are in a disassembled state, the tab jig (400) can adjust the distance between the tab jig (400) and the mounting plate (200); when the tab jig (400) and the first connecting plate (300) are in a fixed state, the tab of the battery cell can be placed on the adjusted tab jig (400); A plurality of second connecting plates (500), respectively connecting two adjacent first connecting plates (300) along the circumferential direction of the rotating disk (110), and located at an end of the mounting plate (200) away from the rotating disk (110); A plurality of film-wrapping jigs (600), each of the film-wrapping jigs (600) comprising an adjustable part (610) and a positioning part (620), the adjustable part (610) being located between the adjacent mounting plate (200) and the second connecting plate (500), one end of the adjustable part (610) being connected to the second connecting plate (500), and the other end extending in a direction close to the mounting plate (200), when the adjustable part (610) and the second connecting plate (500) are in a disassembled state, the adjustable part (610) can adjust the distance between the adjustable part (610) and the mounting plate (200), and when the adjustable part (610) and the second connecting plate (500) are in a fixed state, the other end of the adjustable part (610) can abut against and fix the film edge on one side of the battery cell, and the positioning part (620) is located on the mounting plate (200) and connected to and positioned the film edge on the other side of the battery cell.

2. The loading and unloading positioning device according to claim 1, characterized in that: The first connecting plate (300) is a quarter-circle sector plate, the center of the sector plate is connected to the corner of the rotating disk (110), and the right-angle side of the sector plate is parallel to the length side of the adjacent mounting plate (200).

3. The loading and unloading positioning device according to claim 2, characterized in that: The second connecting plate (500) is an arc-shaped strip plate, and the arc angle and center position of the arc-shaped edge of the arc-shaped strip plate are the same as those of the arc-shaped edge of the fan-shaped plate.

4. The loading and unloading positioning device according to claim 3 is characterized in that: The tab fixture (400) is provided with a first strip hole (401), the dimension of the first strip hole (401) along a direction perpendicular to the right-angled side of the fan-shaped plate is larger than the dimension along the right-angled side of the fan-shaped plate, the fan-shaped plate is provided with a first positioning hole (301), and a first connecting member passes through the first strip hole (401) and the first positioning hole (301) to connect the tab fixture (400) and the fan-shaped plate.

5. The loading and unloading positioning device according to claim 4, characterized in that: The fan-shaped plate is provided with a plurality of first positioning holes (301) spaced apart along the right-angled side of the fan-shaped plate.

6. The loading and unloading positioning device according to claim 3, characterized in that: The adjustable member (610) is provided with a second strip hole (601), the dimension of the second strip hole (601) along the right-angled side of the fan-shaped plate is larger than the dimension along the direction perpendicular to the right-angled side of the fan-shaped plate, the arc strip is provided with a second positioning hole (501), and the second connecting member penetrates the second strip hole (601) and the second positioning hole (501) to connect the adjustable member (610) and the arc strip.

7. The loading and unloading positioning device according to claim 6, characterized in that: A plurality of second positioning holes (501) are arranged at intervals on the arc-shaped strip plate in a direction perpendicular to the right-angled side of the fan-shaped plate.

8. The loading and unloading positioning device according to claim 3, characterized in that: The adjustable component (610) comprises a fixing seat (611) and a Z-shaped plate (612); the fixing seat (611) is fixed to the top surface of the arc-shaped strip plate; one end of the Z-shaped plate (612) is connected to the top surface of the fixing seat (611); a first positioning column is provided on the top surface of the other end; the coating edge of the battery cell passes through the first positioning column and is attached to the Z-shaped plate (612).

9. The loading and unloading positioning device according to claim 1, characterized in that: The loading and unloading positioning device also includes four pressing plates (700) and four connecting rods (800). The pressing plates (700) can be covered on the installation slots to press the battery cells. One end of the connecting rod (800) is connected to the pressing plates (700), and the other end is hinged to the rotating disk (110). The rotation of the connecting rod (800) can drive the pressing plates (700) to open and close the installation slots.

10. The loading and unloading positioning device according to claim 9, characterized in that: A through hole is provided at the center of the rotating disk (110), and the loading and unloading positioning device also includes a support member and a driving member (900), one end of the support member is connected to the divider, and the other end passes through the through hole to connect to the driving member (900), and the driving member (900) can drive the connecting rod (800) at the corresponding positions of the loading station (1) and the unloading station (4) to rotate.

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