Conveying mechanism and battery cell detection device

Abstract

The utility model belongs to the technical field of battery cell production equipment, and discloses a conveying mechanism and a battery cell detection device. The conveying mechanism comprises a frame body, a circulating conveying belt, a plurality of carriers and a detection assembly. The middle part of the battery cell is supported by the carrier, and a to-be-detected part on the lower side of the battery cell can be exposed, so that a plurality of detection mechanisms for detecting a plurality of parts of the battery cell can be distributed on the peripheral side of the conveying mechanism, and the battery cell can be detected in all directions in the process of conveying the battery cell by the conveying mechanism; therefore, the battery cell does not need to be moved away from the conveying mechanism in the detection process, the steps are simple, and the production efficiency can be improved. And in addition, the problems of smudginess, wrinkling, damage and the like of the battery cells in the battery cell carrying process can be avoided, so that the qualification rate of the battery cells can be improved. Comprising the conveying mechanism, the battery cell does not need to be moved away from the conveying mechanism in the detection process, the steps are simple, and the production efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of battery cell production equipment technology, and in particular to a conveying mechanism and a battery cell testing device. Background Technology

[0002] During the manufacturing process of battery cells, comprehensive testing is required to improve the pass rate. Traditional conveyor systems often obstruct the underside of the cells intended for testing, necessitating the cumbersome process of manually transferring the cells from the conveyor to a specific testing station during the testing process. This reduces efficiency and reduces productivity. Furthermore, the handling of cells can lead to contamination, wrinkles, and damage, further impacting the pass rate.

[0003] Therefore, the above problems urgently need to be solved. Utility Model Content

[0004] The purpose of this invention is to provide a conveying mechanism and a battery cell testing device to improve production efficiency and the pass rate of battery cells.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A conveying mechanism for conveying battery cells, the conveying mechanism comprising:

[0007] Frame;

[0008] A circulating conveyor belt is installed on the frame, and the circulating conveyor belt includes a circulating carrier belt;

[0009] Several carriers are spaced apart on the carrier belt along the circumference, and each carrier includes a support station that supports and limits the middle part of the battery cell;

[0010] The detection component is configured to detect the position of all the battery cells supported by the plurality of said carriers to determine whether all the battery cells being transported are aligned in the transport direction.

[0011] Preferably, the vehicle includes:

[0012] Support members are provided on the bearing belt;

[0013] The first positioning element and the second positioning element are respectively disposed on opposite sides of the support element, and the first positioning element, the second positioning element and the support element enclose the support station.

[0014] A first adjustment component is disposed between the first positioning member and the carrier belt, and the first adjustment component is configured to adjust the position of the first positioning member;

[0015] A second adjustment component is disposed between the second positioning member and the carrier belt, and the second adjustment component is configured to adjust the position of the second positioning member.

[0016] Preferably, the first adjustment component includes:

[0017] The first fastener is disposed on the bearing belt;

[0018] The first adapter is slidably disposed on the first fixing member along the conveying direction and has a first adjustment stroke; the first positioning member is disposed on the first adapter.

[0019] The first locking element is configured to lock the first adapter in any position within the first adjustment stroke.

[0020] Preferably, the second adjustment component includes:

[0021] The second fastener is disposed on the bearing belt;

[0022] The second adapter is slidably disposed on the second fixing member along the conveying direction and has a second adjustment stroke; the second positioning member is disposed on the second adapter.

[0023] The second locking element is configured to lock the second adapter in any position within the second adjustment stroke.

[0024] Preferably, the first positioning member is slidably disposed on the first adapter in a preset direction and can stop at any position;

[0025] The second positioning member is slidably disposed on the second adapter member along a preset direction and can stop at any position;

[0026] Wherein, the preset direction is perpendicular to the conveying direction;

[0027] Both the first positioning element and the second positioning element are provided in multiples, and they correspond one-to-one.

[0028] Preferably, the first adapter includes a first marking scale and a second marking scale, wherein the first marking scale is set along the conveying direction and the second marking scale is set along the preset direction.

[0029] Preferably, the conveying mechanism includes a plurality of support components spaced circumferentially along the carrier belt, wherein the plurality of support components are capable of abutting against the frame when rotated to face downward, so as to support the carrier belt.

[0030] Preferably, the support assembly includes a mounting member and a guide wheel, the mounting member being disposed on the bearing belt and the guide wheel being disposed at the end of the mounting member;

[0031] A guide rail is provided on the frame along the conveying direction. The guide rail is located below the carrying belt and is used to guide the guide wheel to roll along it.

[0032] Preferably, the circulating conveyor belt further includes:

[0033] The drive wheel is mounted on the frame via a drive shaft;

[0034] The driven wheel is mounted on the frame via a driven shaft, and the bearing belt is wound around the driving wheel and the driven wheel;

[0035] A drive unit is disposed on the frame, and the drive unit is configured to drive the drive shaft to rotate.

[0036] An adjustment component is disposed between the driven shaft and the frame, and the adjustment component is configured to adjust the position of the driven shaft in the conveying direction.

[0037] A battery cell testing device includes several testing mechanisms and the aforementioned conveying mechanism;

[0038] Several detection mechanisms are distributed around the periphery of the conveying mechanism so that the detection mechanisms can detect the corresponding parts of the battery cells conveyed by the conveying mechanism.

[0039] The conveying mechanism is used to convey the battery cell and can connect the upstream and downstream equipment of the battery cell testing device to receive the battery cell output from the upstream equipment and supply the tested battery cell to the downstream equipment.

[0040] The beneficial effects of this utility model are:

[0041] 1. By supporting the center of the battery cell with a carrier, the area to be inspected on the underside of the cell is exposed. This allows multiple inspection mechanisms, each targeting different parts of the cell, to be distributed around the perimeter of the conveyor mechanism. This enables comprehensive inspection of the cell during transport, eliminating the need to remove the cell from the conveyor during inspection. This simplified process improves production efficiency. Furthermore, it avoids issues such as dirt, wrinkles, and damage to the cells during handling, thus increasing the pass rate. Additionally, by monitoring the position of all cells during transport, the inspection components ensure that each cell's position meets the requirements of the cell inspection device, guaranteeing accurate test results.

[0042] 2. The battery cell testing device, including the above-mentioned conveying mechanism, does not require the battery cells to be removed from the conveying mechanism during the testing process. The procedure is simple and helps to improve production efficiency. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the conveying mechanism provided by this utility model. Figure 1 ;

[0044] Figure 2 This is a schematic diagram of the conveying mechanism provided by this utility model. Figure 2 ;

[0045] Figure 3 This is a structural schematic diagram of the vehicle provided by this utility model;

[0046] Figure 4 This is a structural schematic diagram of the first adapter provided by this utility model;

[0047] Figure 5 This is a schematic diagram of the structure of the circulating conveyor belt provided by this utility model;

[0048] Figure 6 yes Figure 2 Enlarged view of point A in the middle.

[0049] In the picture:

[0050] 100. Battery cells;

[0051] 1. Frame; 11. Guide rails;

[0052] 2. Circulating conveyor belt; 21. Carrying belt; 22. Driving wheel; 23. Driven wheel; 24. Driving component; 25. Adjusting assembly; 251. Adjusting frame; 252. Screw structure;

[0053] 3. Carrier; 31. Support component; 32. First positioning component; 33. Second positioning component; 34. First adjustment component; 341. First adapter component; 3411. First marking scale; 3412. Second marking scale; 35. Second adjustment component; 351. Second fixing component; 352. Second adapter component;

[0054] 4. Detection components; 41. First sensor; 42. Second sensor;

[0055] 5. Support components; 51. Mounting parts; 52. Guide wheels. Detailed Implementation

[0056] Before explaining any implementation of this application in detail, it should be understood that this application is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.

[0057] In this application, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0058] In this application, the term "and / or" describes a relationship between related objects, indicating that three relationships can exist. For example, a centrifugal vortex magnetic pump and / or a centrifugal vortex magnetic pump can represent: the existence of only one centrifugal vortex magnetic pump, the simultaneous existence of one centrifugal vortex magnetic pump and a centrifugal vortex magnetic pump, or the existence of only one centrifugal vortex magnetic pump. Additionally, the character " / " in this application generally indicates that the preceding and following related objects have an "and / or" relationship.

[0059] In this application, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.

[0060] In this application, those skilled in the art will understand that relative terms (e.g., “about,” “approximately,” “basically,” etc.) used in conjunction with quantities or conditions are to include the values ​​and have the meaning indicated by the context. For example, such relative terms include at least the degree of error associated with the measurement of a particular value, tolerances associated with the particular value due to manufacturing, assembly, use, etc. Such terms should also be considered as disclosing a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​not using relative terms should also be disclosed as specific values ​​with tolerances. Furthermore, “basically” when expressing relative angular relationships (e.g., substantially parallel, substantially perpendicular) may refer to a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) added to or subtracted from the indicated angle.

[0061] In this application, those skilled in the art will understand that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one component, or a combination of multiple parts.

[0062] In this application, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when an element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent positive orientation but can also be understood as lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.

[0063] Please see Figures 1 to 6 This embodiment provides a conveying mechanism for conveying battery cells 100, comprising a frame 1, a circulating conveyor belt 2, a plurality of carriers 3, and a detection component 4. Only a portion of the frame 1 for mounting the circulating conveyor belt 2 is shown in the accompanying drawings. The circulating conveyor belt 2 is mounted on the frame 1 and includes a circulating carrier belt 21. A plurality of carriers 3 are spaced circumferentially along the carrier belt 21, each carrier 3 including a support position that supports and limits the middle portion of the battery cell 100. The detection component 4 is configured to detect the position of all battery cells 100 supported by the carriers 3 to determine whether all conveyed battery cells 100 are aligned in the conveying direction.

[0064] This configuration, with the carrier 3 supporting the middle of the battery cell 100, exposes the area to be inspected on the underside of the battery cell 100. This allows multiple inspection mechanisms, each designed to inspect different parts of the battery cell 100, to be distributed around the conveyor mechanism. This enables comprehensive inspection of the battery cell 100 during transport, eliminating the need to remove it from the conveyor mechanism during inspection. The simplified process improves production efficiency. Furthermore, it avoids problems such as dirt, wrinkles, and damage to the battery cell 100 during handling, thereby increasing the pass rate of the battery cell 100.

[0065] Furthermore, if the battery cell 100 is not precisely placed in the designated position on the carrier 3, the carrier 3 may also obstruct part of the battery cell 100 to be tested, thus affecting the test results. Therefore, by detecting the position of all the battery cells 100 in transit through the detection component 4, the position of each battery cell 100 can be made to meet the detection requirements of the battery cell detection device, thus ensuring the accuracy of the test results.

[0066] It should be noted that the detection component 4 includes two first sensors 41, which are located on opposite sides of the carrier belt 21 to detect whether the two ends of all the battery cells 100 are aligned, that is, whether the two ends of all the battery cells 100 are on the same straight line. Furthermore, the first sensors 41 are preferably through-beam sensors. The structure and working principle of through-beam sensors are existing technology and will not be described in detail. It should also be noted that the detection component 4 includes several second sensors 42, which correspond one-to-one with the number of carriers 3. Each second sensor 42 is used to detect whether a battery cell 100 is supported on its corresponding carrier 3. Additionally, the type of the second sensors 42 can be selected according to the actual application scenario; this embodiment does not impose specific requirements or limitations on this.

[0067] To improve the applicability of the conveying mechanism so that it can convey battery cells 100 of different sizes, in this embodiment, the carrier 3 includes a support member 31, a first positioning member 32, a second positioning member 33, a first adjustment component 34, and a second adjustment component 35.

[0068] The support member 31 is disposed on the support belt 21. A first positioning member 32 and a second positioning member 33 are respectively disposed on opposite sides of the support member 31, forming a support station together with the support member 31. A first adjustment component 34 is disposed between the first positioning member 32 and the support belt 21, and is configured to adjust the position of the first positioning member 32. A second adjustment component 35 is disposed between the second positioning member 33 and the support belt 21, and is configured to adjust the position of the second positioning member 33.

[0069] It is understandable that the support station, constructed by the first positioning component 32, the second positioning component 33, and the support component 31, has a simple structure and low operating cost. It is also understandable that by adjusting the position of the first positioning component 32 using the first adjustment component 34 and the position of the second positioning component 33 using the second adjustment component 35, the size of the support station can be adjusted. This allows for adjustments to the size of the support station to accommodate different sizes of battery cells 100, thus meeting the conveying requirements of different sized battery cells 100 and improving the applicability of the conveying mechanism.

[0070] Specifically, the first adjustment assembly 34 includes a first fixing member, a first adapter 341, and a first locking member. The first fixing member is disposed on the carrier belt 21. The first adapter 341 is slidably disposed on the first fixing member along the conveying direction and has a first adjustment stroke, and a first positioning member 32 is disposed on the first adapter 341. The first locking member is configured to lock the first adapter 341 at any position within the first adjustment stroke.

[0071] With this configuration, after releasing the first locking member, the first adapter 341 can be slid along the conveying direction to adjust its position, which in turn allows adjustment of the position of the first positioning member 32. This facilitates operation and has a simple structure. It should be noted that the first locking member is preferably a bolt. The bolt passes through the first adapter 341 and is screwed onto the first fixing member, thus locking the first adapter 341 onto the first fixing member for easy operation.

[0072] Correspondingly, the second adjustment assembly 35 includes a second fixing member 351, a second adapter 352, and a second locking member. The second fixing member 351 is disposed on the carrier belt 21. The second adapter 352 is slidably disposed on the second fixing member 351 along the conveying direction and has a second adjustment stroke, and a second positioning member 33 is disposed on the second adapter 352. The second locking member is configured to lock the second adapter 352 at any position within the second adjustment stroke.

[0073] During adjustment, first, the size of the battery cell 100 in the conveying direction is detected. Then, the first locking member and the second locking member are released. Next, the first adapter 341 and the second adapter 352 are slid so that the distance between the first adapter 341 and the second adapter 352 is equal to the size of the battery cell 100 in the conveying direction. Finally, the first adapter 341 is locked by the first locking member and the second adapter 352 is locked by the second locking member.

[0074] Generally, when the carrier 3 supports a larger-sized battery cell 100, the support position needs to be increased accordingly to achieve better support stability. Therefore, the first positioning member 32 is slidably mounted on the first adapter 341 along a preset direction and can stop at any position. The second positioning member 33 is slidably mounted on the second adapter 352 along a preset direction and can stop at any position. The preset direction is perpendicular to the conveying direction. Multiple first positioning members 32 and second positioning members 33 are provided, and they correspond one-to-one.

[0075] In this embodiment, two of each of the first positioning member 32 and the second positioning member 33 are provided. During adjustment, moving the two first positioning members 32 away from each other and the two second positioning members 33 away from each other will increase the support position, and conversely, moving them together will decrease the support position to accommodate battery cells 100 of different sizes.

[0076] To improve the ease of sliding the first adapter 341 and the first positioning member 32, the first adapter 341 includes a first marking scale 3411 and a second marking scale 3412. The first marking scale 3411 is set along the conveying direction, and the second marking scale 3412 is set along a preset direction. This configuration allows for precise determination of the sliding distance of the first adapter 341 by referring to the first marking scale 3411, and precise determination of the sliding distance of the first positioning member 32 by referring to the second marking scale 3412. Similarly, the second adapter 352 includes a first marking scale 3411 and a second marking scale 3412, with the first marking scale 3411 set along the conveying direction and the second marking scale 3412 set along a preset direction, which will not be described in detail here.

[0077] During operation, the lower portion of the carrier belt 21 sags due to its own weight. To address this, the conveying mechanism includes several support components 5 spaced circumferentially along the carrier belt 21. These support components 5 abut against the frame 1 when the belt rotates downwards, thus supporting the carrier belt 21. This arrangement ensures that multiple support components 5 always move downwards with the carrier belt 21, supporting the lower portion of the carrier belt 21 and preventing it from saging, thereby guaranteeing the normal operation of the circulating conveyor belt 2.

[0078] Specifically, the support component 5 includes a mounting member 51 and a guide wheel 52. The mounting member 51 is disposed on the carrier belt 21, and the guide wheel 52 is disposed at the end of the mounting member 51. A guide rail 11 is disposed on the frame 1 along the conveying direction. The guide rail 11 is located below the carrier belt 21 and is used to guide the guide wheel 52 to roll along it, thereby ensuring that the guide wheel 52 rolls stably along the conveying direction and further ensuring the normal operation of the circulating conveyor belt 2.

[0079] In actual use, the tension of the carrier belt 21 needs to be adjusted periodically according to specific working conditions and usage frequency. To improve the convenience of adjusting the tension of the carrier belt 21, the circulating conveyor belt 2 also includes a drive wheel 22, a driven wheel 23, a drive component 24, and an adjustment assembly 25. The drive wheel 22 is mounted on the frame 1 via a drive shaft. The driven wheel 23 is mounted on the frame 1 via a driven shaft, and the carrier belt 21 is wound around the drive wheel 22 and the driven wheel 23. The drive component 24 is mounted on the frame 1 and is configured to drive the drive shaft to rotate. The adjustment assembly 25 is located between the driven shaft and the frame 1 and is configured to adjust the position of the driven shaft in the conveying direction.

[0080] It is understood that by adjusting the position of the driven shaft in the conveying direction through the adjusting component 25, the tension of the carrying belt 21 wound around the driving wheel 22 and the driven wheel 23 can be adjusted, facilitating operation. It should be noted that in this embodiment, the adjusting component 25 includes an adjusting frame 251 and a lead screw structure 252. The adjusting frame 251 is slidably mounted on the frame 1 along the conveying direction, the driven shaft is mounted on the adjusting frame 251, and the lead screw structure 252 is mounted on the frame 1 and connected to the adjusting frame 251. The lead screw mechanism is used to drive the adjusting frame 251 to slide, thereby adjusting its position. It should also be noted that the driving component 24 is preferably a driving structure composed of a servo motor, a reducer, etc. Furthermore, the lead screw structure 252 is prior art and will not be described in detail.

[0081] This embodiment also provides a battery cell testing device, which includes a plurality of testing mechanisms and the aforementioned conveying mechanism. The plurality of testing mechanisms are distributed around the periphery of the conveying mechanism, enabling them to test corresponding portions of the battery cells 100 conveyed by the conveying mechanism. The conveying mechanism is used to convey the battery cells 100 and can connect upstream and downstream equipment of the battery cell testing device, receiving battery cells 100 output from upstream equipment and supplying tested battery cells 100 to downstream equipment. It is understood that the battery cell testing device including the aforementioned conveying mechanism eliminates the need to remove the battery cells 100 from the conveying mechanism during the testing process, simplifying the procedure and contributing to improved production efficiency.

[0082] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A conveying mechanism for conveying battery cells (100), characterized in that, The conveying mechanism includes: Frame (1); A circulating conveyor belt (2) is installed on the frame (1), and the circulating conveyor belt (2) includes a circulating carrier belt (21); Several carriers (3) are arranged circumferentially on the carrier belt (21), and each carrier (3) includes a support station that supports and limits the middle part of the battery cell (100); The detection component (4) is configured to detect the position of all the battery cells (100) supported by the plurality of carriers (3) to determine whether all the battery cells (100) in transit are aligned in the transit direction.

2. The conveying mechanism according to claim 1, characterized in that, The vehicle (3) includes: A support member (31) is disposed on the bearing belt (21); The first positioning element (32) and the second positioning element (33) are respectively disposed on opposite sides of the support element (31), and the first positioning element (32), the second positioning element (33) and the support element (31) together form the support station; A first adjustment component (34) is disposed between the first positioning member (32) and the carrier belt (21), and the first adjustment component (34) is configured to adjust the position of the first positioning member (32); A second adjustment component (35) is disposed between the second positioning member (33) and the carrier belt (21), and the second adjustment component (35) is configured to adjust the position of the second positioning member (33).

3. A conveying mechanism according to claim 2, characterized in that, The first adjustment component (34) includes: The first fastener is disposed on the bearing belt (21); The first adapter (341) is slidably disposed on the first fixing member along the conveying direction and has a first adjustment stroke, and the first positioning member (32) is disposed on the first adapter (341); The first locking element is configured to lock the first adapter (341) in any position within the first adjustment stroke.

4. A conveying mechanism according to claim 3, characterized in that, The second adjustment component (35) includes: The second fastener (351) is disposed on the bearing belt (21); The second adapter (352) is slidably disposed on the second fixing member (351) along the conveying direction and has a second adjustment stroke; the second positioning member (33) is disposed on the second adapter (352); The second locking element is configured to lock the second adapter (352) in any position within the second adjustment stroke.

5. A conveying mechanism according to claim 4, characterized in that, The first positioning member (32) is slidably disposed on the first adapter (341) along a preset direction and can stop at any position; The second positioning member (33) is slidably disposed on the second adapter (352) along a preset direction and can stop at any position; Wherein, the preset direction is perpendicular to the conveying direction; Multiple first positioning elements (32) and multiple second positioning elements (33) are provided, and they correspond one-to-one.

6. A conveying mechanism according to claim 5, characterized in that, The first adapter (341) includes a first marking scale (3411) and a second marking scale (3412), the first marking scale (3411) being set along the conveying direction and the second marking scale (3412) being set along the preset direction.

7. A conveying mechanism according to claim 1, characterized in that, The conveying mechanism includes a plurality of support components (5) arranged circumferentially on the carrier belt (21), the plurality of support components (5) being able to abut against the frame (1) when rotated to face downward, so as to support the carrier belt (21).

8. A conveying mechanism according to claim 7, characterized in that, The support assembly (5) includes a mounting component (51) and a guide wheel (52). The mounting component (51) is disposed on the bearing belt (21), and the guide wheel (52) is disposed at the end of the mounting component (51). A guide rail (11) is provided on the frame (1) along the conveying direction. The guide rail (11) is located below the carrying belt (21) and is used to guide the guide wheel (52) to roll along it.

9. A conveying mechanism according to claim 1, characterized in that, The circulating conveyor belt (2) also includes: The drive wheel (22) is mounted on the frame (1) via a drive shaft; The driven wheel (23) is mounted on the frame (1) via a driven shaft, and the carrying belt (21) is wound around the driving wheel (22) and the driven wheel (23); A drive element (24) is disposed on the frame (1), and the drive element (24) is configured to drive the active rotating shaft to rotate; An adjustment component (25) is disposed between the driven shaft and the frame (1), and the adjustment component (25) is configured to adjust the position of the driven shaft in the conveying direction.

10. A battery cell testing device, characterized in that, It includes several testing institutions and a conveying mechanism as described in any one of claims 1-9; Several detection mechanisms are distributed around the periphery of the conveying mechanism so that the several detection mechanisms can detect the corresponding parts of the battery cell (100) conveyed by the conveying mechanism; The conveying mechanism is used to convey the battery cell (100) and can connect the upstream and downstream equipment of the battery cell testing device to receive the battery cell (100) output by the upstream equipment and supply the tested battery cell (100) to the downstream equipment.

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