Battery cell pairing test equipment

Abstract

The utility model relates to a battery cell pairing test device, comprising a feeding mechanism comprising at least two conveying devices which are arranged in parallel; the pairing mechanism comprises a pairing driving module and a clamping assembly installed on the pairing driving module, and the clamping assembly is provided with a plurality of clamping units; the positioning mechanism comprises a detection camera and a positioning device, the positioning device comprises a positioning driving part and a positioning seat connected with the positioning driving part, the positioning seat comprises two ejection blocks, the two ejection blocks are oppositely arranged on the two sides of the conveying device, and the detection camera is located above the positioning seat; the testing mechanism comprises a turnover device and a testing jig connected with the turnover device, and the testing jig comprises a plurality of material suction units; the material receiving mechanism comprises a transfer manipulator and a material receiving driving module, and a material receiving jig is arranged on the material receiving driving module; the device can realize automation of battery cell pairing and testing work, and has the advantages of high efficiency, strong reliability and the like.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, and more specifically, to a cell pairing test device. Background Technology

[0002] OCV testing, also known as open circuit voltage testing, refers to measuring the voltage difference between the positive and negative terminals of a battery cell when the cell is not connected to any load. This testing method is mainly used to evaluate the performance and condition of the battery cell and is an important part of the battery cell manufacturing, testing and maintenance process.

[0003] Currently, when conducting OCV testing on battery cells, it is sometimes necessary to combine multiple cells in a certain way and then test them together. The traditional method is to manually pair and combine the cells or pair them on a dedicated pairing device before sending them to the testing equipment for testing. This method is slow and takes a lot of time during the transfer process, which affects production efficiency. Utility Model Content

[0004] In view of this, the present invention provides a battery cell pairing test device.

[0005] A battery cell pairing testing device includes: a feeding mechanism comprising at least two conveying devices arranged in parallel; a pairing mechanism comprising a pairing drive module and a clamping assembly mounted on the pairing drive module, the clamping assembly having multiple clamping units for clamping battery cells on the conveying devices; a positioning mechanism comprising a detection camera and a positioning device, the positioning device comprising a positioning drive component and a positioning seat connected to the positioning drive component, the positioning seat comprising two top blocks disposed opposite to each other on both sides of the conveying device, the detection camera being located above the positioning seat; a testing mechanism comprising a flipping device and a testing fixture connected to the flipping device, the flipping device being used to drive the testing fixture to flip, the testing fixture comprising multiple suction units; and a receiving mechanism comprising a transfer robot and a receiving drive module, the receiving drive module having a receiving fixture; wherein the pairing mechanism, the visual inspection mechanism, and the testing mechanism are arranged sequentially according to the conveying direction of the conveying devices, and the receiving mechanism is located at one end of the feeding mechanism near the testing mechanism.

[0006] In the above technical solution, a conveying device is used to transport battery cells. Multiple conveying devices are arranged in parallel. Each conveying device has a pairing mechanism, a positioning mechanism, and a testing mechanism sequentially arranged along its conveying path to achieve multi-channel testing and improve testing efficiency. A receiving mechanism passes through the end of each conveying device closest to the testing mechanism, and is used to pick up the battery cells that have completed testing from each conveying device and transport them to other sections. When the equipment is working, the battery cells to be tested are transported by the conveying device. The battery cells first arrive at the pairing mechanism. The clamping assembly moves under the drive of the pairing drive module and uses clamping units to grab the dispersed battery cells on the conveying device for combination and pairing. Each clamping unit in the clamping assembly can grab one battery cell. After the clamping assembly is full of a group of battery cells, the group of battery cells is placed back on the conveying device. The group of battery cells then travels with the conveying device to the positioning mechanism, where the positioning seat is positioned by the positioning drive. Driven by the mechanism, the battery cell can move in a direction perpendicular to the conveying path of the conveying device. The top blocks on both sides of the positioning seat can adjust the position of the battery cell by pushing the two end faces of the battery cell. When the positioning seat is in position, the detection camera above the positioning seat detects the position of the battery cell in real time to ensure the accuracy of the positioning. After the battery cell is in position, the battery cell moves to the testing mechanism under the action of the conveying device. The flipping device drives the testing fixture to flip. At this time, the suction unit on the testing fixture contacts the battery cell on the conveying device. Each suction unit picks up one battery cell. Then the flipping device drives the testing fixture to flip again to keep the battery cell in a vertical state, which is convenient for subsequent testing of the battery cell with the test fixture. After the battery cell is tested, the transfer robot directly takes out the battery cell from the testing fixture and places it into the receiving fixture. The receiving drive module transports the receiving fixture to other sections, thus completing the pairing test of a set of battery cells.

[0007] Furthermore, the clamping unit includes a clamping drive and a gripper connected to the clamping drive.

[0008] In the above technical solution, the gripper is connected to the output end of the clamping drive, and the clamping drive is used to drive the gripper to open and close in order to pick up and put in the battery cell.

[0009] Furthermore, the clamping assembly also includes a lifting drive and a mating seat connected to the lifting drive, the clamping drive being installed in the mating seat.

[0010] In the above technical solution, the clamping drive is installed in the mating seat according to the set spacing and arrangement. The gripper extends from the bottom of the mating seat. When mating, the lifting drive drives the mating seat to move up and down, so that the gripper is close to the battery cell on the conveying device, thereby gripping the battery cell.

[0011] Furthermore, the flipping device includes a mounting frame and a flipping drive component. The test fixture has protruding connecting parts on both sides. The connecting parts are rotatably mounted on the mounting frame. The output end of the flipping drive component is connected to the connecting parts.

[0012] In the above technical solution, the mounting bracket is used to provide a mounting position for the test fixture, and the connecting parts on both sides of the test fixture are rotatably connected to the mounting bracket, so that it can be flipped under the drive of the flipping drive component.

[0013] Furthermore, a gear is fitted onto the connecting part, and a rack is connected to the output end of the flipping drive, with the gear meshing with the rack.

[0014] In the above technical solution, the flipping drive component drives the rack to move back and forth, causing the gear to rotate, thereby driving the test fixture to flip.

[0015] Furthermore, the material suction unit includes a material suction block and a material suction component connected to the material suction block, and the material suction block is provided with a fixing groove for mounting the power supply core.

[0016] In the above technical solution, one end of the suction component is installed inside the suction block. The suction component is used to provide suction force to pick up the battery cell. The fixing groove on the suction block is used to improve the stability of the battery cell after it is picked up, which helps to complete the test smoothly.

[0017] Furthermore, a labeling mechanism is provided between the positioning mechanism and the testing mechanism. The labeling mechanism includes a feeder and a labeling device. The feeder is used to supply adhesive tape, and the labeling device is used to apply the adhesive tape to the battery cell.

[0018] In the above technical solution, in order to ensure the safety of the battery cell during testing, adhesive tape needs to be applied to the surface of the battery cell before testing. The feeder is located on one side of the labeling device. When a group of battery cells after positioning is sent to the labeling mechanism, the labeling device takes the adhesive tape from the feeder and applies the adhesive tape to the group of battery cells.

[0019] Furthermore, the labeling device includes a labeling drive module and a labeling component mounted on the labeling drive module. The labeling component is provided with multiple material picking drive components, and each material picking drive component is connected to a material picking block.

[0020] In the above technical solution, the material picking drive is used to drive the material picking block to move up and down so that the material picking block can pick up the adhesive paper. There are multiple material picking blocks, which can pick up multiple adhesive papers at the same time. The labeling drive module is used to drive the labeling component to move back and forth between the conveying device and the feeder to complete the material picking and adhesive paper application work.

[0021] Furthermore, the receiving mechanism also includes a receiving platform, which has at least two receiving stations. Each receiving station includes a support block and a plurality of push-driven components located around the support block. The output end of each push-driven component is connected to a push block.

[0022] In the above technical solution, each conveying device is equipped with a corresponding receiving station. After the receiving drive module transports the empty receiving fixture to the receiving station, the receiving fixture is placed on the support block. Then, the push drive component located on the periphery of the support block drives the push block to move toward the receiving fixture and fix the receiving fixture. Then, the transfer robot places the battery cell into the receiving fixture. After the receiving fixture is full, the push drive component drives the push block to move and release the receiving fixture. The receiving drive module then transports the receiving fixture away.

[0023] Furthermore, it also includes a feeding mechanism, which is located on one side of the receiving mechanism. The feeding mechanism includes a feeding drive module and a feeding component mounted on the feeding drive module. The feeding component is used to transport the receiving fixture.

[0024] In the above technical solution, the receiving drive module transports the receiving fixture filled with battery cells to the unloading mechanism. The unloading component grabs the receiving fixture and, driven by the unloading drive module, transports the receiving fixture to other sections. At the same time, while the unloading component is transporting the full receiving fixture away, it puts an empty receiving fixture back onto the receiving drive module of the receiving mechanism.

[0025] The beneficial effects of this application are as follows:

[0026] This application, through its feeding mechanism, pairing mechanism, positioning mechanism, and testing mechanism, enables automatic pairing, positioning, and testing of battery cells. It boasts a high degree of automation and strong reliability. Furthermore, the feeding mechanism includes multiple conveying devices, allowing for multi-channel operation and effectively improving production efficiency. A receiving mechanism is located on one side of the feeding mechanism, capable of picking up tested battery cells from multiple conveying devices and transporting them to other sections. The unloading process is automated, requiring no machine downtime and significantly enhancing overall production efficiency. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a perspective view of a cell pairing test device according to an embodiment.

[0029] Figure 2 for Figure 1 A magnified view of region A in the middle.

[0030] Figure 3 This is a three-dimensional view of the cell pairing test equipment from another perspective.

[0031] Figure 4 for Figure 3 A magnified view of region B in the middle.

[0032] Figure 5 for Figure 3 A magnified view of region C in the middle.

[0033] Figure 6 for Figure 3 A magnified view of region D in the middle.

[0034] Figure 7 for Figure 3 A magnified view of region E in the middle.

[0035] Figure 8 This is a 3D view of the cell pairing test equipment from the left side.

[0036] Figure 9 for Figure 8 A magnified view of region F in the middle.

[0037] Figure 10 This is a schematic diagram of the testing mechanism.

[0038] Explanation of the reference numerals in the figure:

[0039] 1-Feeding mechanism; 11-Conveying device;

[0040] 2-Matching mechanism; 21-Matching drive module; 22-Clamping assembly; 221-Clamping unit; 2211-Clamping drive component; 2212-Gripper; 222-Lifting drive component; 223-Matching seat;

[0041] 3-Positioning mechanism; 31-Detection camera; 32-Positioning seat; 321-Top block;

[0042] 4-Labeling mechanism; 41-Feeder; 411-Material roller; 412-Material picking platform; 42-Labeling device; 421-Labeling drive module; 422-Material picking drive component; 423-Material picking block;

[0043] 5-Testing mechanism; 51-Tilting device; 511-Mounting bracket; 512-Tilting drive component; 513-Rack; 52-Test fixture; 521-Feeding unit; 5211-Feeding component; 5212-Feeding block; 52121-Fixing groove; 522-Connecting part; 523-Gear;

[0044] 6-Receiving mechanism; 61-Transfer robot; 62-Receiving drive module; 621-Placement table; 63-Receiving platform; 631-Support block; 632-Push drive component; 633-Push block; 64-Receiving fixture;

[0045] 7- Feeding mechanism; 71- Feeding drive module; 72- Feeding assembly;

[0046] 8-Battery cell; 9-Adhesive tape. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0048] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0049] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0050] Please refer to Figures 1 to 10This embodiment provides a cell pairing testing device for pairing and OCV testing of cylindrical cells. It includes a feeding mechanism 1, a pairing mechanism 2, a positioning mechanism 3, a labeling mechanism 4, a testing mechanism 5, and a receiving mechanism 6. The feeding mechanism 1 includes two parallel conveying devices 11. Each conveying device 11 has the pairing mechanism 2, positioning mechanism 3, labeling mechanism 4, and testing mechanism 5 sequentially arranged on one side. The receiving mechanism 6 is located on one side of the two conveying devices 11 and passes through the end points of the two conveying devices 11 (i.e., the end closest to the testing mechanism 5). The pairing mechanism 2 includes a pairing drive module 21 and a clamping assembly 22 mounted on the pairing drive module 21. The clamping assembly 22 has multiple clamping units 221 for clamping the cells on the conveying devices 11. The positioning mechanism... 3 includes a detection camera 31 and a positioning device. The positioning device includes a positioning drive (not specifically shown in the figure) and a positioning seat 32 connected to the positioning drive. The positioning seat 32 includes two top blocks 321, which are disposed opposite to each other on both sides of the conveying device 11. The detection camera 31 is located above the positioning seat 32. The labeling mechanism 4 includes a feeder 41 and a labeling device 42. The feeder 41 is used to supply adhesive tape, and the labeling device 42 is used to apply the adhesive tape to the battery cell. The testing mechanism 5 includes a flipping device 51 and a testing fixture 52 connected to the flipping device 51. The flipping device 51 is used to drive the testing fixture 52 to flip. The testing fixture 52 includes multiple suction units 521 for picking up battery cells. The receiving mechanism 6 includes a transfer robot 61 and a receiving drive module 62. The receiving drive module 62 is provided with a receiving fixture 64.

[0051] It is worth mentioning that the conveying device 11 is provided with multiple protruding structures, and the areas between each protruding structure are formed for placing the battery cells. Since there is a certain gap between each battery cell when it is transported by the conveying device 11, a pairing mechanism 2 is set up to grab and pair the dispersed battery cells so that they are kept adjacent on the conveying device 11, which facilitates subsequent testing work in groups.

[0052] In this embodiment, a pairing mechanism 2, a positioning mechanism 3, and a testing mechanism 5 are sequentially arranged on the conveying paths of both conveying devices 11 to achieve multi-channel testing and improve testing efficiency. After the battery cells have completed testing through the testing mechanism 5, they are uniformly conveyed to other sections through the receiving mechanism 6. Specifically, when this equipment is working, the battery cells to be tested are transported by the conveying device 11. The battery cells first arrive at the pairing mechanism 2. The clamping assembly 22 moves under the drive of the pairing drive module 21 and uses the clamping unit 221 to grab the dispersed battery cells on the conveying device 11 for combination and pairing. Each clamping unit 221 in the clamping assembly 22 can clamp one battery cell. After the clamping assembly 22 is full of a group of battery cells, the group of battery cells is placed back on the conveying device 11. The group of battery cells arrives at the positioning mechanism 3 along with the conveying device 11. The positioning seat 32 can move in a direction perpendicular to the conveying path of the conveying device 11 under the drive of the positioning drive (according to...). Figure 1 As shown in the direction, the positioning seat 32 can move back and forth. The top blocks 321 on both sides of the positioning seat 32 can adjust the position of the battery cell by pushing the two end faces of the battery cell. When the positioning seat 32 is positioning, the detection camera 31 above the positioning seat 32 detects the position of the battery cell in real time to ensure the accuracy of the positioning. After the battery cell of this group is in position, under the action of the conveying device 11, the battery cell moves to the labeling mechanism 4. The labeling device 42 takes the adhesive tape from the feeder 41 and applies the adhesive tape to the battery cell. After all the battery cells in this group are covered with adhesive tape, the battery cell moves with the conveying device 11 to the labeling mechanism 4. At test mechanism 5, the flipping device 51 drives the test fixture 52 to flip, so that the suction unit 521 on the test fixture 52 comes into contact with the battery cell on the conveying device 11. At this time, each suction unit 521 picks up one battery cell. Then the flipping device 51 drives the test fixture 52 to flip again, so that the battery cell is kept in a vertical state, which is convenient for subsequent testing of the battery cell using a test probe (not shown in the figure). After the battery cell test is completed, the transfer robot 61 takes out the battery cell from the test fixture 52 and places it into the receiving fixture 64. Then the receiving drive module 62 moves the receiving fixture 64 away.

[0053] Not limited to, in this embodiment, there are 8 clamping units 221, and the battery cells are paired in groups of 8. Correspondingly, there are also 8 suction units 521 in the test fixture 52, and the test mechanism 5 performs OCV test on 8 battery cells each time.

[0054] Preferably, two transfer robots 61 are provided, each of which is responsible for the unloading work of one conveying device 11, making the division of labor clearer and the efficiency higher.

[0055] Please refer to Figure 4In this embodiment, the clamping unit 221 includes a clamping drive 2211 and a gripper 2212 connected to the clamping drive 2211. The clamping drive 2211 is used to drive the gripper 2212 to open and close, so as to pick up and put down the battery cell. The clamping assembly 22 also includes a lifting drive 222 and a mating seat 223 connected to the lifting drive 222. The clamping drive 2211 is installed in the mating seat 223 according to a set interval. The gripper 2212 extends out from the bottom of the mating seat 223. When mating, the lifting drive 222 drives the mating seat 223 to move up and down, so that the gripper 2212 at the bottom approaches the battery cell 8 on the conveying device 11, thereby gripping the battery cell 8.

[0056] Please refer to Figure 3 and Figure 5 In this embodiment, the labeling device 42 includes a labeling drive module 421 and a labeling component mounted on the labeling drive module 421. The labeling component is provided with a plurality of material picking drive members 422. The material picking drive members 422 are connected to material picking blocks 423. The material picking drive members 422 are used to drive the material picking blocks 423 to move up and down so that the material picking blocks 423 can pick up the adhesive paper 9. The labeling drive module 421 is used to drive the labeling component to move back and forth between the conveying device 11 and the feeder 41 to complete the material picking and adhesive paper application work.

[0057] Specifically, there are four material handling drive units 422. Each time, the labeling component takes four sheets of adhesive tape 9 from the feeder 41 and applies the adhesive tape 9 to a group of battery cells in two batches.

[0058] Preferably, refer to Figure 3 and Figure 5 The feeder 41 is equipped with a feed roller 411 and a feeding platform 412. The feed roller 411 is used to install the tape of adhesive paper. After feeding, the tape passes through the feeding platform 412 and is laid flat on the feeding platform 412 to facilitate the labeling component to pick up the tape 9.

[0059] Please refer to Figure 6 and Figure 10 In this embodiment, the flipping device 51 includes a mounting frame 511 and a flipping drive 512. The test fixture 52 has protruding connecting portions 522 on both sides. The connecting portions 522 are rotatably mounted on the mounting frame 511. The flipping drive 512 is located on one side of the mounting frame 511 and is connected to a rack 513. A gear 523 is sleeved on the connecting portion 522 of the test fixture 52 near the flipping drive 512. The rack 513 meshes with the gear 523. The flipping drive 512 drives the rack 513 to move back and forth, causing the gear 523 to rotate, thereby driving the test fixture 52 to perform a flipping action.

[0060] Please refer to Figure 10In this embodiment, the suction unit 521 includes a suction block 5212 and a suction component 5211 connected to the suction block 5212. The suction block 5212 is provided with a fixing groove 52121 for mounting the battery cell. The output end of the suction component 5211 is installed inside the suction block 5212. The suction component 5211 is connected to an external air source to generate suction, so that the suction block 5212 can pick up the battery cell. The fixing groove 52121 on the suction block 5212 is used to accommodate and limit the battery cell after it has been picked up, thereby enhancing the stability of the battery cell and helping to complete the test smoothly.

[0061] Please refer to Figures 7 to 9 In this embodiment, the receiving mechanism 6 further includes a receiving platform 63, which has two receiving stations located on one side of the end points of the two conveying devices 11. Each receiving station includes a support block 631 and several push-drive components 632 located around the support block 631. The output end of each push-drive component 632 is connected to a push block 633. After the receiving drive module 62 transports the empty receiving fixture 64 to the receiving station, it moves the receiving fixture 64... The battery cell is placed on the support block 631. Then, the push drive 632 located on the periphery of the support block 631 drives the push block 633 to move toward the receiving fixture 64 and fix the receiving fixture 64. Then, the transfer robot 61 picks up the battery cell that has completed the test in the test fixture 52 and places it in the receiving fixture 64. After the receiving fixture 64 is full, the push drive 632 drives the push block 633 to move and release the receiving fixture 64. The receiving drive module 62 then transports the receiving fixture 64 away.

[0062] Specifically, the output end of the receiving drive module 62 is provided with a placement platform 621, the receiving fixture 64 is placed on the placement platform 621, and the receiving drive module 62 drives the placement platform 621 to move to realize the transfer of the receiving fixture 64. The receiving platform 63 has a long slot for the output end of the receiving drive module 62 to connect with the placement platform 621.

[0063] Please refer to Figure 1 and Figure 3 In this embodiment, a feeding mechanism 7 is provided on one side of the receiving mechanism 6. The feeding mechanism 7 includes a feeding drive module 71 and a feeding component 72 installed on the feeding drive module 71. When the receiving drive module 62 transports the receiving fixture 64 filled with battery cells to the feeding mechanism 7, the feeding component 72 grabs the receiving fixture 64 and, driven by the feeding drive module 71, transports the receiving fixture 64 to other sections to complete the feeding of the receiving fixture 64.

[0064] It should be noted that a storage area (such as a trolley, not specifically shown in the figure) for storing receiving fixtures 64 is provided on one side of the unloading mechanism 7. While the unloading component 72 transports the full receiving fixture 64 to the storage area, it also moves an empty receiving fixture 64 from the storage area and places it on the placement table 621, so as to realize the automatic replenishment of receiving fixtures 64 without manual loading.

[0065] The unloading component 72 can be a cylinder-driven clamping block holding the receiving fixture 64, or it can be a vacuum suction receiving fixture 64. Its specific structure can be set according to actual needs, and will not be described in detail here.

[0066] Specifically, the drive module described in this embodiment can be a linear motor, a linear module, etc., and the drive component can be a cylinder or a motor, etc. These are all common drive devices in the prior art. Their specific structure and selection are set according to actual needs, and will not be elaborated here.

[0067] Please refer to Figures 1 to 10 Taking the pairing test process of a group of battery cells as an example, the specific working process and principle of this equipment are as follows:

[0068] The battery cells to be tested are conveyed by the conveying device 11 and first arrive at the pairing mechanism 2. Multiple clamping units 221 respectively clamp the dispersed battery cells on the conveying device 11. After a set of battery cells is clamped (hereinafter referred to as the battery cell group), the battery cell group is placed back on the conveying device 11. The battery cell group moves with the conveying device 11 to the positioning mechanism 3. The positioning seat 32 adjusts the position of the battery cell group. The detection camera 31 detects the positioning of the battery cell group. After the detection is in place, the battery cell group moves with the conveying device 11 to the labeling mechanism 4. The labeling device 42 takes adhesive tape 9 from the feeder 41 and applies the adhesive tape to each battery cell in the battery cell group. After the adhesive tape is applied, the battery cell assembly moves to the testing mechanism 5 along with the conveying device 11. The testing fixture 52 flips over, and the suction unit 521 on the testing fixture 52 contacts the battery cell assembly and holds the battery cells in the assembly. Then, the testing fixture 52 flips over again, keeping the battery cells 8 in the battery cell assembly in a vertical position. The test needle (not shown in the figure) performs an OCV test on the battery cell assembly. After the test is completed, the transfer robot 61 transfers the battery cell assembly in the testing fixture 52 to the receiving fixture 64. The receiving drive module 62 sends the receiving fixture 64 to the unloading mechanism 7, and the unloading component 72 transports the receiving fixture 64 to other sections.

[0069] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0070] In the description of this utility model, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0071] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0072] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A cell pair testing apparatus, characterized by, The application relates to a battery cell testing device, which comprises a feeding mechanism, a matching mechanism, a positioning mechanism, a testing mechanism and a receiving mechanism. The feeding mechanism comprises at least two conveying devices arranged in parallel. The matching mechanism comprises a matching driving module and a clamping assembly mounted on the matching driving module, wherein the clamping assembly is provided with a plurality of clamping units for clamping battery cells on the conveying devices. The positioning mechanism comprises a detection camera and a positioning device, wherein the positioning device comprises a positioning driving element and a positioning seat connected with the positioning driving element, the positioning seat comprises two top blocks oppositely arranged on two sides of the conveying device, and the detection camera is arranged above the positioning seat. The testing mechanism comprises a turnover device and a testing fixture connected with the turnover device, wherein the turnover device is used for driving the testing fixture to turn over, and the testing fixture comprises a plurality of material suction units. The receiving mechanism comprises a transfer manipulator and a receiving driving module, and a receiving fixture is arranged on the receiving driving module. The matching mechanism, the visual detection mechanism and the testing mechanism are sequentially arranged according to the conveying direction of the conveying device, and the receiving mechanism is arranged at one end of the feeding mechanism close to the testing mechanism.

2. The cell pair testing apparatus of claim 1, wherein, The clamping unit comprises a clamping driving element and a clamping jaw connected with the clamping driving element.

3. The cell pair testing apparatus of claim 2, wherein, The clamping assembly further comprises a lifting driving element and a matching seat connected with the lifting driving element, and the clamping driving element is mounted in the matching seat.

4. The cell pair testing apparatus of claim 1, wherein, The turnover device comprises a mounting frame and a turnover driving element, two sides of the testing fixture are provided with protruding connecting parts, the connecting parts are rotationally mounted on the mounting frame, and the output end of the turnover driving element is connected with the connecting parts.

5. The cell pair testing apparatus of claim 4, wherein, A gear is sleeved on the connecting part, a rack is connected with the output end of the turnover driving element, and the gear is engaged with the rack.

6. The cell pair testing apparatus of claim 5, wherein, The material suction unit comprises a material suction block and a material suction element connected with the material suction block, and a fixing groove for mounting the battery cell is arranged on the material suction block.

7. The cell pair testing apparatus of claim 1, wherein, A labeling mechanism is arranged between the positioning mechanism and the testing mechanism, the labeling mechanism comprises a feeder and a labeling device, the feeder is used for supplying adhesive paper, and the labeling device is used for labeling the adhesive paper on the battery cell.

8. The cell pair testing apparatus of claim 7, wherein, The labeling device comprises a labeling driving module and a labeling assembly mounted on the labeling driving module, the labeling assembly is provided with a plurality of material taking driving elements, and the material taking driving elements are connected with material taking blocks.

9. The cell pair testing apparatus of claim 1, wherein, The receiving mechanism further comprises a receiving platform, at least two receiving stations are arranged on the receiving platform, each receiving station comprises a supporting block and a plurality of pushing driving elements arranged on the periphery of the supporting block, and the output end of the pushing driving elements is connected with a pushing block.

10. The cell pair testing apparatus of claim 1, wherein, The application further relates to a discharging mechanism, the discharging mechanism is arranged on one side of the receiving mechanism, and the discharging mechanism comprises a discharging driving module and a discharging assembly mounted on the discharging driving module, wherein the discharging assembly is used for carrying the receiving fixture.

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