Battery cell production line and battery production system

Abstract

The application relates to the technical field of battery production, and provides a battery cell production line and a battery production system. The battery cell production line comprises an upper conveying line and a lower conveying line, a mover jig for carrying a battery cell, and a plurality of processing assemblies. The upper conveying line and the lower conveying line are respectively provided with a first transfer part and a second transfer part at two ends, and the first transfer part and the second transfer part are used for conveying the mover jig between the upper conveying line and the lower conveying line. The plurality of processing assemblies are arranged on at least one side of the upper conveying line and / or the lower conveying line. The battery cell production line can make the mover jig carrying the battery cell move circularly between the upper conveying line and the lower conveying line through the arrangement of the upper conveying line, the lower conveying line and the first transfer part and the second transfer part, so that the conveying path of the battery cell is stacked in the height direction, and the floor area of the battery cell production line is effectively reduced.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing technology, and in particular to a cell production line and battery manufacturing system. Background Technology

[0002] With the explosive growth of the new energy vehicle and energy storage equipment markets, the demand for power battery production capacity continues to rise, making the efficient and intensive design of battery cell production lines a key issue. Currently, battery cell production lines increase production capacity by stacking more workstations and processing equipment at each workstation. This makes the transfer and transportation of batteries between workstations a bottleneck in the battery cell production line. In traditional battery cell production lines, the production line has a single-layer ring structure, with each workstation and processing equipment arranged sequentially along the ring to facilitate the flow of batteries between the processing equipment. However, traditional battery cell production lines still suffer from the problem of excessive floor space requirements. Utility Model Content

[0003] In view of this, this application aims to propose a battery cell production line that reduces its own floor space and facilitates the improvement of battery cell processing efficiency.

[0004] To achieve the above objectives, the technical solution of this application is implemented as follows: A battery cell production line includes an upper conveyor line and a lower conveyor line spaced apart in the height direction, a moving jig for carrying battery cells, and multiple processing components; The moving fixture is capable of moving on the upper conveyor line and the lower conveyor line; A first transfer section is provided between the first end of the upper conveyor line and the first end of the lower conveyor line. The first transfer section is used to transport the moving fixture from the lower conveyor line to the upper conveyor line. A second transfer section is provided between the second end of the upper conveyor line and the second end of the lower conveyor line. The second transfer section is used to transport the moving fixture from the upper conveyor line to the lower conveyor line. The electrode tabs of the battery cell are located at both ends perpendicular to the conveying direction, and the plurality of processing components are respectively located on at least one side of the upper conveying line and / or the lower conveying line.

[0005] Furthermore, both the upper conveyor line and the lower conveyor line include multiple first conveyor sections connected end-to-end for the movement of the moving fixture; both the first transfer unit and the second transfer unit include a lifting mechanism and a second conveyor section driven to rise and fall by the lifting mechanism; the second conveyor section reciprocates between the upper conveyor line and the lower conveyor line and can dock with one end of the corresponding first conveyor section; the moving fixture can move from the first conveyor section to the second conveyor section.

[0006] Furthermore, maintenance stations are provided on the upper conveyor line and / or the lower conveyor line; The maintenance station is provided with a first lateral moving part, the driving end of the first lateral moving part is connected to the corresponding first conveying section, and the first lateral moving part can drive the first conveying section to move outward perpendicular to the conveying direction.

[0007] Furthermore, the upper conveyor line has a loading station and a unloading station; the plurality of processing components include a welding component, a cutting component, and an adhesive application component arranged sequentially between the loading station and the unloading station along the conveying direction; the welding component is used to weld and fix the tabs on the battery cell; the cutting component is used to cut the welded tabs; and the adhesive application component is used to apply adhesive to the cut tabs.

[0008] Furthermore, the loading station is equipped with a loading device that can place the battery cell on the moving jig; the unloading station is equipped with an unloading device that can transfer the battery cell on the moving jig to the outside, and both the loading device and the unloading device are robotic arms capable of gripping the battery cell.

[0009] Furthermore, the loading station is equipped with a testing device and a first conveyor belt, which are located on opposite sides of the upper conveyor line. The testing device is used to perform withstand voltage testing and thickness detection on the battery cells. Battery cells that pass the test in the testing device can be transferred to the moving jig via the loading device. Battery cells that fail the test in the testing device can be transferred to the first conveyor belt via the loading device.

[0010] Furthermore, the unloading station is equipped with a second conveyor belt, and the upper conveyor line is equipped with a detection device; the unloading device can transfer the battery cells that have passed the detection device to the outside, and transfer the battery cells that have not passed the detection device to the second conveyor belt.

[0011] Furthermore, the adhesive application assembly includes multiple adhesive application devices, which are arranged in pairs on both sides of the upper conveyor line, with at least one pair of adhesive application devices serving as backup adhesive application devices.

[0012] Furthermore, it also includes a dust removal component, which is disposed between the cutting component and the adhesive application component, and is used to remove dust from the battery cell tabs.

[0013] Compared with related technologies, this application has the following advantages: (1) The battery cell production line described in this application, through the arrangement of upper and lower conveyor lines and the first and second transfer units, enables the moving jig carrying the battery cell to circulate between the upper and lower conveyor lines, thereby superimposing the battery cell conveying path in the height direction and effectively reducing the floor space of the battery cell production line. Furthermore, the processing components are located on the sides of the upper and lower conveyor lines, which can make full use of the space around the upper and lower conveyor lines. While reducing the floor space, it can also reduce the flow time of the battery cell between the processing components, which is conducive to the rapid entry of the battery cell into the processing process, thereby improving the battery cell processing efficiency.

[0014] (2) The upper and lower conveyor lines are composed of multiple first conveyor sections, which have modular characteristics to facilitate the adjustment of the length of the upper and lower conveyor lines. With the setting of the lifting mechanism and the second conveyor section, the lifting mechanism can drive the second conveyor section to align with the first conveyor section in the upper and lower conveyor lines, so that the moving fixture can move from the first conveyor section to the second conveyor section by its own drive or the power of the conveyor section. No additional gripping mechanism is needed to grip the moving fixture from one conveyor line to another. While realizing the transfer of the moving fixture, the risk of the moving fixture jamming or positioning failure is reduced, and the transfer speed and reliability of the moving fixture are improved.

[0015] (3) By setting up the maintenance station and the first lateral moving part therein, when the faulty moving jig moves to the first conveying section connected to the lateral moving part, the first lateral moving part can drive the first lateral moving part carrying the faulty moving jig to move outward, so as to separate from the conveying line and move to a position that is convenient for maintenance personnel to operate, thereby avoiding the surrounding processing components from affecting the maintenance operation, which is conducive to the maintenance operation of the moving jig, shortening the maintenance time and reducing the maintenance cost.

[0016] (4) By setting multiple processing components and loading and unloading stations on the upper conveyor line, each processing component can be set above the lower conveyor line. Compared with the arrangement of setting the processing components on the lower conveyor line, the interference between the processing components and the conveyor line can be avoided. At the same time, setting the processing components on the upper conveyor line also provides sufficient operating space for the installation and maintenance of the processing components.

[0017] (5) By setting up loading and unloading stations and their loading and unloading devices, external battery cells can be placed on the moving jig and the battery cells on the moving jig can be transferred to the outside in a timely manner, ensuring the continuity of the production process. By setting up the robot arm, the accuracy of battery cell loading can be ensured, while having a large working range and flexibility.

[0018] (6) By setting up the testing device, the battery cells can be tested before entering the main processing stage, preventing defective battery cells from entering the subsequent processing stage, thereby saving processing costs and reducing the time occupied by the fixtures, which is conducive to improving the processing efficiency of the battery cells. At the same time, the coordinated setting of the first conveyor belt and the feeding device facilitates the discharge of unqualified battery cells from the upper conveyor line.

[0019] (7) The testing device can detect whether the processed battery cells are qualified, ensuring the processing quality of the battery cells. At the same time, the coordinated setting of the second conveyor belt and the unloading device facilitates the discharge of unqualified battery cells from the upper conveyor line.

[0020] (8) By setting up multiple adhesive bonding devices in pairs, the positive and negative tabs of the battery cells can be bonded simultaneously, thereby improving bonding efficiency. Furthermore, by setting up backup adhesive bonding devices, when other adhesive bonding devices malfunction or require bonding replacement, the backup devices can replace the disabled devices, achieving the effect of uninterrupted operation during maintenance and bonding replacement. This ensures the continuity of the bonding process, reduces the risk of production stoppage due to equipment problems, and improves the stability and reliability of the battery cell production line.

[0021] (9) By setting a dust removal component between the cutting component and the adhesive component, the dust on the battery cell tabs can be removed, avoiding the dust from affecting the accuracy and firmness of the subsequent adhesive application process, so as to ensure the adhesive application quality and improve the yield of battery cell production.

[0022] This application also proposes a battery production system having a cell production line as described above.

[0023] The battery production system and / or cell production line described in this application have the same technical effects as related technologies, and will not be described in detail here. Attached Figure Description

[0024] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a front view of the battery cell production line described in the embodiments of this application; Figure 2 This is a top view of the battery cell production line described in the embodiments of this application; Figure 3 This is a schematic diagram of the maintenance station described in the embodiments of this application; Figure 4 This is a schematic diagram of the side where the second transfer unit is located, as described in the embodiments of this application; Figure 5 for Figure 4 An enlarged view of the location shown in Figure A; Figure 6 This is a schematic diagram of the side where the first transfer unit is located, as described in the embodiments of this application; Explanation of reference numerals in the attached figures: 1a. Upper conveyor line; 1b. Lower conveyor line; 101. First conveyor section; 102. Mounting platform; 103. Moving jig; 2a. First transfer section; 2b. Second transfer section; 201. Lifting mechanism; 202. Second conveying section; 3. Maintenance station; 301. First transverse moving part; 4. Loading station; 401. Testing device; 402. First conveyor belt; 403. Electrode flipping detection device; 5. Unloading station; 501. Second conveyor belt; 502. Cutting inspection device; 503. Adhesive application inspection device; 6. Welding components; 601. Positive electrode tab welding device; 602. Negative electrode tab welding device; 7. Cutting components; 8. Adhesive application assembly; 801. Flat adhesive application device; 802. Z-adhesive application device; 9. Dust removal components; 10. Battery cells. Detailed Implementation

[0025] To make the technical solution and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0027] Furthermore, it should be noted that in the description of this application, if terms such as "upper," "lower," "inner," or "outer" appear, indicating orientation or positional relationship, these are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation on this application. In addition, if terms such as "first" or "second" appear, they are also used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] Furthermore, in the description of this application, unless otherwise expressly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application in light of the specific circumstances.

[0029] In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The present application will now be described in detail through exemplary embodiments. However, it should be understood that, without further description, elements, structures, and features in one embodiment may be advantageously incorporated into other embodiments.

[0031] An embodiment of the first aspect of this application provides a battery cell production line.

[0032] In related technologies, traditional battery cell production lines are arranged in a circular structure, with each workstation and processing equipment arranged sequentially along the circular production line to facilitate the flow of battery cells 10 between the processing equipment. However, traditional battery cell production lines still suffer from the problem of excessive floor space requirements.

[0033] In view of this, in order to overcome the shortcomings of related technologies, the battery cell production line in this embodiment combines... Figure 1 , Figure 2 As shown, the overall design includes an upper conveyor line 1a and a lower conveyor line 1b spaced apart in the height direction, a moving jig 103 for carrying the battery cell 10, and multiple processing components.

[0034] Among them, the moving jig 103 can move on the upper conveyor line and the lower conveyor line. Figure 1The middle arrow indicates the direction of movement of the battery cell 10. The upper conveyor line 1a and the lower conveyor line 1b have opposite conveying directions. A first transfer section 2a is provided between the first end of the upper conveyor line 1a and the first end of the lower conveyor line 1b. The first transfer section 2a is used to transport the moving jig 103 from the lower conveyor line 1b to the upper conveyor line 1a. A second transfer section 2b is provided between the second end of the upper conveyor line 1a and the second end of the lower conveyor line 1b. The second transfer section 2b is used to transport the moving jig 103 from the upper conveyor line 1a to the lower conveyor line 1b.

[0035] The electrode tabs of the battery cell 10 are located at both ends in the vertical conveying direction, and multiple processing components are located on at least one side of the upper conveying line 1a or the lower conveying line 1b, or multiple processing components are located on the sides of both the upper conveying line 1a and the lower conveying line 1b.

[0036] Therefore, by setting up the upper and lower conveyor lines 1b and the first and second transfer units 2b, the moving jig carrying the battery cell 10 can circulate between the upper and lower conveyor lines 1b, thereby superimposing the conveying path of the battery cell 10 in the height direction and effectively reducing the floor space occupied by the battery cell production line. Furthermore, the processing components are distributed on the sides of the upper and lower conveyor lines 1b, making full use of the space around the upper and lower conveyor lines 1b. This reduces the floor space occupied and the transit time of the battery cell 10 between the processing components, facilitating the rapid entry of the battery cell 10 into the processing flow and thus improving the processing efficiency of the battery cell 10.

[0037] Based on the above general introduction, specifically, in this embodiment, the moving jig 103 is configured as a plurality of jigs.

[0038] In some of the exemplary implementations, combined with Figure 5 As shown, both the upper conveyor line 1a and the lower conveyor line 1b include multiple first conveyor sections 101 connected end-to-end for the movement of the moving fixture 103. Furthermore, both the first transfer unit 2a and the second transfer unit 2b include a lifting mechanism 201 and a second conveyor section 202 driven to rise and fall by the lifting mechanism 201. The second conveyor section 202 reciprocates between the upper conveyor line 1a and the lower conveyor line 1b and can engage with one end of a corresponding first conveyor section 101, allowing the moving fixture 103 to move from the first conveyor section 101 to the second conveyor section 202.

[0039] It is understandable that the upper and lower conveyor lines 1b are composed of multiple first conveyor sections 101, exhibiting modular characteristics to facilitate the adjustment of their lengths. Through the lifting mechanism 201 and the second conveyor section 202, the lifting mechanism 201 can drive the second conveyor section 202 to align with the first conveyor section 101 in the upper and lower conveyor lines 1b. This allows the moving fixture 103 to move from the first conveyor section 101 to the second conveyor section 202 using its own drive or the power of the conveyor section, eliminating the need for an additional gripping mechanism to transfer the moving fixture 103 from one conveyor line to another. This achieves the transfer of the moving fixture 103 while reducing the risk of jamming or positioning failure, thus improving the transfer speed and reliability of the moving fixture 103.

[0040] In specific implementation, both the upper and lower conveyor lines 1b in this embodiment are magnetic levitation conveyor lines, and both the first conveyor section 101 and the second conveyor section 202 are magnetic levitation tracks. The moving jig 103 in this embodiment includes a skid movably mounted on the magnetic levitation track and driven by the track, and a clamp on top for mounting the battery cell 10. The clamp includes a support platform, a corner cylinder mounted on the support platform, and a gripper on the drive end of the corner cylinder. The corner cylinder can drive the gripper to press the battery cell 10 on the support platform. The magnetic levitation track and skid in this embodiment are conventional technologies well-known to those skilled in the art, and their working principles and specific structures will not be described in detail here. Of course, other conveying devices can also be used for the upper conveyor line 1a and lower conveyor line 1b in this embodiment, as long as they enable the moving jig 103 to move along the conveying direction. Additionally, the lifting mechanism 201 in this embodiment can also be a conventional lifting mechanism well-known to those skilled in the art, and will not be described in detail here.

[0041] In some of the exemplary implementations, such as Figure 3 As shown, maintenance stations 3 are provided on either the upper conveyor line 1a or the lower conveyor line 1b, or on both of them. Each maintenance station 3 has a first lateral moving part 301. The driving end of the first lateral moving part 301 is connected to the corresponding first conveying section 101, and the first lateral moving part 301 can drive the first conveying section 101 to move outward perpendicular to the conveying direction.

[0042] With the maintenance station 3 and its first lateral moving part 301, when the faulty moving jig 103 moves to the first conveyor section 101 connected to the lateral moving part, the first lateral moving part 301 can drive the first lateral moving part 301 carrying the faulty moving jig 103 to move outward, thereby separating it from the conveyor line and moving it to a position convenient for maintenance personnel to operate, so as to realize the maintenance and repair of the faulty moving jig 103. By moving the first conveyor section 101 carrying the faulty moving jig 103 outward, sufficient operating space can be provided for maintenance personnel, avoiding the influence of surrounding processing components on maintenance operations, which is conducive to the maintenance operation of the moving jig 103, shortens maintenance time, and reduces maintenance costs.

[0043] At the same time, the first conveying section 101, which is loaded with the faulty moving jig 103, is separated from the conveying line. The moving jig 103 can slide along the first conveying section 101 and detach from the first conveying section 101, thereby facilitating the installation and replacement of the moving jig 103 on the first conveying section 101.

[0044] In specific implementation, the first lateral moving part 301 of this embodiment can adopt a conventional moving component known to those skilled in the art, such as a linear module, whose driving end can be connected to the first conveying section 101 and drive the first conveying section 101 to move.

[0045] In some of the exemplary implementations, combined with Figures 2 to 6 As shown, a loading station 4 and a unloading station 5 are formed on the upper conveyor line 1a, and multiple processing components include a welding component 6, a cutting component 7 and an adhesive application component 8 arranged sequentially between the loading station 4 and the unloading station 5 along the conveying direction.

[0046] The welding assembly 6 is used to weld and fix the tabs on the battery cell 10. Multiple electrode sheets in the battery cell 10 have stacked tabs extending outwards in the height direction, and the welding assembly 6 can weld these tabs together. The cutting assembly 7 is used to cut the welded tabs into a specified shape, maintaining neat edges. The adhesive applicator 8 is used to apply adhesive to the cut tabs, attaching insulating tape to the tabs and between the tabs and the battery cell 10 to ensure the insulation performance of the tabs.

[0047] By placing multiple processing components and loading / unloading stations 5 on the upper conveyor line 1a, each processing component can be placed above the lower conveyor line 1b. Since each processing component is larger in the height direction, compared with the arrangement of placing the processing components on the lower conveyor line 1b, interference between the processing components and the conveyor line can be avoided. At the same time, placing the processing components on the upper conveyor line 1a also provides sufficient operating space for the installation and maintenance of the processing components.

[0048] In a specific implementation, the battery cell production line of this embodiment also includes a mounting platform 102, an upper conveyor line 1a, and various processing components and a first lateral moving part 301, all of which are mounted on the mounting platform 102. The mounting platform 102 has two through holes at each end along the conveying direction. The first and second transfer parts 2b are located at the through holes, and the lower conveyor line 1b is located below the mounting platform 102. The lifting mechanism 201 can drive the second conveyor section 202 through the through holes to connect with the first conveyor section 101 of the upper conveyor line 1a.

[0049] Specifically, the welding assembly 6 in this embodiment includes a plurality of positive electrode welding devices 601 arranged sequentially along the conveying direction on one side of the upper conveyor line 1a, and a plurality of negative electrode welding devices 602 arranged on the other side, to weld the positive and negative electrodes of the battery cell 10 respectively. All welding devices are ultrasonic welding devices, having welding heads and welding seats for clamping the upper and lower sides of the electrodes.

[0050] Furthermore, the cutting assembly 7 in this embodiment includes a pair of cutting devices arranged on both sides of the upper conveyor line 1a. The cutting devices are configured in pairs and have cutting sections for cutting the tabs. These cutting sections can be driven to move along the height direction to cut the tabs, thereby simultaneously cutting the positive and negative tabs of two battery cells 10. Also, since the battery cell 10 has multiple tabs, during tab welding, some tabs need to be bent to bring the welding areas of each tab closer together to ensure welding quality. Therefore, in this embodiment, a tab flipping detection device 403 is provided between the loading station 4 and the positive tab welding device 601 of the welding assembly 6.

[0051] In some exemplary embodiments, the loading station 4 is equipped with a loading device that can place the battery cell 10 on the moving jig 103. The unloading station 5 is equipped with an unloading device that can transfer the battery cell 10 on the moving jig 103 to the outside, and both the loading device and the unloading device are robotic arms capable of gripping the battery cell 10.

[0052] By setting up loading and unloading stations 5 and their loading and unloading devices, external battery cells 10 can be placed on moving jigs 103, and the battery cells 10 on the moving jigs 103 can be transferred to the outside in a timely manner, ensuring the continuity of the production process. By setting up a robotic arm, the accuracy of loading battery cells 10 can be ensured, while also having a large working range and flexibility.

[0053] In specific implementation, the robotic arm in this embodiment is a conventional robotic arm well-known to those skilled in the art for grasping and transferring the battery cell 10. Its specific structure will not be described in detail here, and the robotic arm in this embodiment is not shown in the accompanying drawings. Of course, the loading and unloading device in this embodiment can also adopt other structures, or the battery cell 10 can be installed on the moving jig 103 by manual operation in the loading and unloading station 5.

[0054] In some exemplary embodiments, the loading station 4 is equipped with a testing device 401 and a first conveyor belt 402, which are located on opposite sides of the upper conveyor line 1a. The testing device 401 is used to perform withstand voltage testing and thickness detection on the battery cells 10. Battery cells 10 that pass the test in the testing device 401 can be transferred to the moving jig 103 via the loading device. Battery cells 10 that fail the test in the testing device 401 can be transferred to the first conveyor belt 402 via the loading device.

[0055] It is understandable that although the battery cell 10 will eventually undergo thickness and withstand voltage tests after processing, the unqualified battery cell 10 that has not undergone thickness and withstand voltage tests will still be processed by various processing components as the moving jig 103 moves. This will occupy part of the moving jig 103 and affect the production efficiency of the battery cell 10.

[0056] By setting up the testing device 401, the battery cell 10 can be tested before entering the main processing stage, preventing defective battery cells 10 from entering subsequent processing stages, thereby saving processing costs, reducing the time occupied by fixtures, and thus improving the processing efficiency of the battery cell 10. At the same time, the coordinated setting of the first conveyor belt 402 and the feeding device facilitates the discharge of unqualified battery cells 10 from the upper conveyor line 1a.

[0057] In specific implementation, the testing device 401 of this embodiment is a conventional battery cell 10 withstand voltage and thickness testing device well known to those skilled in the art, which has a testing mechanism capable of clamping the battery cell 10 in the height direction. Furthermore, two testing devices 401 are configured in this embodiment to improve the testing speed of the battery cell 10.

[0058] In some exemplary embodiments, the unloading station 5 is provided with a second conveyor belt 501, and an inspection device is provided on the upper conveyor line 1a. The unloading device is capable of transferring the battery cells 10 that have passed the inspection by the inspection device to the outside, and transferring the battery cells 10 that have not passed the inspection by the inspection device to the second conveyor belt 501.

[0059] The testing device can detect whether the processed battery cell 10 is qualified, ensuring the processing quality of the battery cell 10. At the same time, the coordinated setting of the second conveyor belt 501 and the unloading device facilitates the discharge of unqualified battery cells 10 from the upper conveyor line 1a.

[0060] In a specific implementation, the detection device of this embodiment includes a cutting detection device 502 disposed between the cutting assembly 7 and the adhesive application assembly 8, and an adhesive application detection device 503 disposed between the unloading station 5 and the adhesive application assembly 8. This detection device can employ X-ray detection equipment, which has an X-ray emission source and a target plate. The aforementioned battery cell 10 tabs can be moved between the X-ray emission source and the target plate.

[0061] In some exemplary embodiments, the adhesive application assembly 8 includes a plurality of adhesive devices arranged in pairs on both sides of the upper conveyor line 1a, with at least one pair of adhesive devices serving as backup adhesive devices.

[0062] By pairing multiple adhesive bonding units, simultaneous adhesive application to the positive and negative tabs of the battery cells can be achieved, improving bonding efficiency. Furthermore, the presence of backup adhesive bonding units allows for uninterrupted operation during maintenance and adhesive replacement when other units malfunction or require replacement. This ensures the continuity of the adhesive bonding process, reduces the risk of production stoppages due to equipment problems, and improves the stability and reliability of the battery cell production line.

[0063] In specific implementation, the adhesive applicator of this embodiment includes a flat adhesive applicator 801 and a Z-shaped adhesive applicator 802 arranged sequentially along the conveying direction. The flat adhesive applicator 801 can apply insulating tape to the area where the electrode tabs are welded, while the Z-shaped adhesive applicator 802 can apply Z-shaped insulating tape to the area where the electrode tabs are connected to the battery cell 10. The flat adhesive applicator 801 and the Z-shaped adhesive applicator 802 are arranged in pairs on both sides of the upper conveyor line 1a, and each has a pair of flat adhesive applicators 801 and a pair of Z-shaped adhesive applicators 802 for use as backup adhesive applicators.

[0064] In some exemplary embodiments, the battery cell production line of this embodiment further includes a dust removal component 9, which is disposed between the cutting component 7 and the adhesive application component 8, and is used to remove dust from the tabs of the battery cell 10. By providing the dust removal component 9 between the cutting component 7 and the adhesive application component 8, dust on the tabs of the battery cell 10 can be removed, preventing dust from affecting the accuracy and adhesion of subsequent adhesive application processes, thereby ensuring adhesive application quality and improving the yield rate of battery cell 10 production.

[0065] In specific implementation, the dust removal components 9 of this embodiment are respectively arranged on both sides of the upper conveyor line 1a. The dust removal components 9 can adopt conventional negative pressure dust removal equipment to absorb the dust on the electrode tabs, or adopt material dust removal devices such as roller brush devices. Of course, other dust removal devices known to those skilled in the art can also be used, as long as they can effectively remove the dust on the electrode tabs.

[0066] It is worth noting that, regarding the battery cell production line of this embodiment, based on the above exemplary implementations, in specific implementations, as an effective implementation, it is still provided by... Figures 1 to 3 As shown.

[0067] The battery cell production line of this embodiment includes an upper conveyor line 1a and a lower conveyor line 1b spaced apart in the height direction, a plurality of moving jigs 103 for carrying battery cells 10, and a plurality of processing components.

[0068] Both the upper conveyor line 1a and the lower conveyor line 1b include multiple first conveyor sections 101 connected end-to-end for the movement of the moving jig 103. Furthermore, both the first transfer section 2a and the second transfer section 2b include a lifting mechanism 201 and a second conveyor section 202 driven to rise and fall by the lifting mechanism 201. The second conveyor section 202 reciprocates between the upper conveyor line 1a and the lower conveyor line 1b, and can engage with one end of a corresponding first conveyor section 101, allowing the moving jig 103 to move from the first conveyor section 101 to the second conveyor section 202. Both the upper and lower conveyor lines 1b are magnetically levitated conveyor lines, and both the first conveyor section 101 and the second conveyor section 202 are magnetically levitated tracks. The moving jig 103 includes a skid movably mounted on and driven by the magnetically levitated track, and a clamp on top for mounting the battery cell 10. The fixture includes a support platform, a corner cylinder on the support platform, and a gripper on the drive end of the corner cylinder. The corner cylinder can drive the gripper to press the battery cell 10 on the support platform.

[0069] In addition, the battery cell production line of this embodiment also includes an installation platform 102, an upper conveyor line 1a, and each processing component and the first lateral moving part 301 are all disposed on the installation platform 102. The upper conveyor line 1a has a loading station 4 and a unloading station 5. Furthermore, the multiple processing components include a welding component 6, a cutting component 7, and an adhesive application component 8 arranged sequentially between the loading station 4 and the unloading station 5 along the conveying direction.

[0070] Specifically, the welding assembly 6 includes multiple positive electrode welding devices 601 arranged sequentially along the conveying direction on one side of the upper conveyor line 1a, and multiple negative electrode welding devices 602 arranged on the other side. All welding devices are ultrasonic welding devices. The cutting assembly 7 includes pairs of cutting devices arranged on both sides of the upper conveyor line 1a. An electrode flipping detection device 403 is provided between the loading station 4 and the positive electrode welding devices 601 of the welding assembly 6.

[0071] Furthermore, the adhesive application device includes a flat adhesive application device 801 and a Z-shaped adhesive application device 802 arranged sequentially along the conveying direction. The flat adhesive application device 801 can apply insulating tape to the area where the electrode tabs are welded, while the Z-shaped adhesive application device 802 can apply Z-shaped insulating tape to the area where the electrode tabs are connected to the battery cell 10. The flat adhesive application device 801 and the Z-shaped adhesive application device 802 are arranged in pairs on both sides of the upper conveyor line 1a, and each has a pair of flat adhesive application devices 801 and a pair of Z-shaped adhesive application devices 802 for use as backup adhesive application devices.

[0072] In addition, the loading station 4 is equipped with a loading device that can place the battery cell 10 on the moving jig 103. The unloading station 5 is equipped with an unloading device that can transfer the battery cell 10 on the moving jig 103 to the outside. Both the loading and unloading devices are robotic arms capable of gripping the battery cell 10. The loading station 4 is equipped with a testing device 401 and a first conveyor belt 402, which are located on opposite sides of the upper conveyor line 1a. The unloading station 5 is equipped with a second conveyor belt 501, and a detection device is installed on the upper conveyor line 1a.

[0073] Furthermore, the inspection device includes a cutting inspection device 502 disposed between the cutting assembly 7 and the adhesive application assembly 8, and an adhesive application inspection section disposed between the unloading station 5 and the adhesive application assembly 8. This inspection device can employ X-ray inspection equipment, having an X-ray emission source and a target plate, allowing the aforementioned battery cell 10 tabs to be moved between the X-ray emission source and the target plate. The battery cell production line in this embodiment also includes a dust removal assembly 9, disposed between the cutting assembly 7 and the adhesive application assembly 8.

[0074] Finally, maintenance stations 3 are provided on either the upper conveyor line 1a or the lower conveyor line 1b, or both of them. Each maintenance station 3 has a first lateral moving part 301, the drive end of which is connected to the corresponding first conveying section 101, and the first lateral moving part 301 can drive the first conveying section 101 to move outward perpendicular to the conveying direction.

[0075] The battery cell production line of this embodiment adopts the above design. Through the arrangement of upper and lower conveyor lines 1b and the first and second transfer units 2b, the moving fixture carrying the battery cell 10 can circulate between the upper and lower conveyor lines 1b, thereby superimposing the conveying path of the battery cell 10 in the vertical direction and effectively reducing the floor space occupied by the battery cell production line. Furthermore, the processing components are distributed on the sides of the upper and lower conveyor lines 1b, making full use of the space around the upper and lower conveyor lines 1b. While reducing the floor space, this also reduces the transit time of the battery cell 10 between the processing components, facilitating the rapid entry of the battery cell 10 into the processing flow and thus improving the processing efficiency of the battery cell 10.

[0076] An embodiment of the second aspect of this application provides a battery production system having a cell production line as described above.

[0077] The battery production system of this embodiment, through the setup of the aforementioned cell production line, can reduce the floor space occupied by the battery production system. The above descriptions are merely some embodiments of this application and are not intended to limit this application. The technical features or structures in the foregoing different embodiments can be arbitrarily combined to form other specific technical solutions as needed. For those skilled in the art, this application can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the protection scope of the claims of this application.

Claims

1. A battery cell production line, characterized in that: It includes an upper and lower conveyor line spaced apart in the height direction, a moving jig for carrying battery cells, and multiple processing components; The moving fixture is capable of moving on the upper conveyor line and the lower conveyor line; A first transfer section is provided between the first end of the upper conveyor line and the first end of the lower conveyor line. The first transfer section is used to transport the moving fixture from the lower conveyor line to the upper conveyor line. A second transfer section is provided between the second end of the upper conveyor line and the second end of the lower conveyor line. The second transfer section is used to transport the moving fixture from the upper conveyor line to the lower conveyor line. The electrode tabs of the battery cell are located at both ends in the vertical conveying direction, and the plurality of processing components are respectively located on at least one side of the upper conveying line and / or the lower conveying line.

2. The battery cell production line according to claim 1, characterized in that: Both the upper conveyor line and the lower conveyor line include multiple first conveyor sections that allow the moving jig to move and are connected end to end; Both the first transfer unit and the second transfer unit include a lifting mechanism and a second conveying section that is driven to rise and fall by the lifting mechanism; The second conveying section reciprocates between the upper conveying line and the lower conveying line, and can be docked at one end corresponding to the first conveying section; The moving fixture can be moved from the first conveying section to the second conveying section.

3. The battery cell production line according to claim 2, characterized in that: The upper conveyor line and / or the lower conveyor line are equipped with maintenance stations; The maintenance station is provided with a first lateral moving part, the driving end of the first lateral moving part is connected to the corresponding first conveying section, and the first lateral moving part can drive the first conveying section to move outward perpendicular to the conveying direction.

4. The battery cell production line according to any one of claims 1 to 3, characterized in that: The upper conveyor line has a loading station and a unloading station; The plurality of processing components include a welding component, a cutting component, and an adhesive application component arranged sequentially between the loading station and the unloading station along the conveying direction; The welding assembly is used to weld and fix the tabs on the battery cell; The cutting component is used to cut the welded electrode tabs; The adhesive application assembly is used to apply adhesive to the cut electrode tabs.

5. The battery cell production line according to claim 4, characterized in that: The loading station is equipped with a loading device, which can place the battery cell on the moving jig; The unloading station is equipped with an unloading device, which can transfer the battery cell on the moving jig to the outside. Both the loading device and the unloading device are robotic arms capable of gripping the battery cell.

6. The battery cell production line according to claim 5, characterized in that: The loading station is equipped with a testing device and a first conveyor belt, which are located on opposite sides of the upper conveyor line. The testing device is used to perform withstand voltage testing and thickness detection on the battery cell; The battery cells that pass the test in the testing device can be transferred to the moving jig by the feeding device; The battery cells that fail the test in the testing device can be transferred to the first conveyor belt by the feeding device.

7. The battery cell production line according to claim 5, characterized in that: The unloading station is equipped with a second conveyor belt, and the upper conveyor line is equipped with a detection device; The unloading device can transfer the battery cells that have passed the detection device to the outside, and transfer the battery cells that have not passed the detection device to the second conveyor belt.

8. The battery cell production line according to claim 4, characterized in that: The adhesive assembly includes multiple adhesive devices; Multiple adhesive bonding devices are arranged in pairs on both sides of the upper conveyor line, with at least one pair of adhesive bonding devices serving as backup adhesive bonding devices.

9. The battery cell production line according to claim 4, characterized in that: It also includes a dust removal component, which is disposed between the cutting component and the adhesive application component, and is used to remove dust from the battery cell tabs.

10. A battery production system, characterized in that: The battery production system has a cell production line as described in any one of claims 1 to 9.

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