A new energy battery core module polarity detection and pre-weld addressing device
By employing a cell module polarity detection and pre-welding addressing device in lithium battery module production, and utilizing a ring light source and a high-precision camera module to identify polarity marks and calculate the coordinates of the welding center point, the polarity detection and pre-welding addressing of the cell module are automated and precise. This solves the problems of low efficiency and insufficient accuracy in existing technologies and improves welding quality.
Patent Information
- Application Number
- CN202510833527.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2045-06-20
AI Technical Summary
In the production of lithium battery modules, existing technologies suffer from low efficiency and high error rate in cell polarity detection, making it difficult to balance detection speed and positioning accuracy on high-speed production lines. Furthermore, welding efficiency is low, and connectors are prone to misalignment, leading to inaccurate welding.
A polarity detection and pre-welding addressing device for a new energy battery cell module is adopted, including a battery cell processing table, an addressing mechanism, a fixing mechanism, an adjustment mechanism, a placement mechanism, and an addressing mechanism. The device illuminates the battery cell tabs with a ring light source, identifies the polarity mark using a high-precision camera module, calculates the coordinates of the welding center point, and automatically and accurately installs the connecting piece using a laser welding machine.
This improved the efficiency and welding accuracy of battery cell module polarity detection, ensured the automatic and accurate installation of connectors, and increased the welding qualification rate.
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Figure CN120662943B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of battery core welding, and more particularly to a new energy battery core module polarity detection and pre-welding addressing device. BACKGROUND
[0002] In the production process of a lithium battery module, the correctness of the polarity of a battery core directly affects the performance and safety of the battery pack. The traditional production method mainly relies on manual visual inspection or simple sensor detection, and has the problems of low efficiency and high misjudgment rate. With the rapid development of the new energy industry, the demand for power battery production capacity has increased rapidly, and automatic detection technology has become an urgent need in the industry.
[0003] At present, a detection scheme based on machine vision has appeared in the industry, but there are still obvious bottlenecks in detection accuracy, system integration and data interaction real-time performance. In particular, on a high-tact production line, the existing technology is difficult to balance detection speed and positioning accuracy, resulting in a decrease in the qualification rate of the subsequent welding process. At the same time, manual placement of the connecting sheet on the positive and negative electrode sheets of the two battery cores is required, and then laser welding is performed, but this method is low in efficiency and the connecting sheet is easy to be placed askew, resulting in the connecting sheet being unable to be accurately welded on the positive and negative electrode sheets.
[0004] Therefore, a new energy battery core module polarity detection and pre-welding addressing device is proposed to solve the above problems. SUMMARY
[0005] The purpose of the application is to provide a new energy battery core module polarity detection and pre-welding addressing device.
[0006] The new energy battery core module polarity detection and pre-welding addressing device provided by the application adopts the following technical scheme:
[0007] A new energy battery core module polarity detection and pre-welding addressing device, comprising a battery core processing table and an addressing mechanism, the surface of the battery core processing table is fixedly connected with a first fixing frame, the surface of the first fixing frame is connected with a second fixing frame through a linear slide rail, the surface of the second fixing frame is connected with a connecting frame through a linear slide rail, the surface of the battery core processing table is placed with a plurality of battery cores, the surface of the battery core is placed with a connecting sheet, the surface of the battery core processing table is provided with a fixing mechanism for clamping the plurality of battery cores, the inside of the fixing mechanism is provided with an adjusting mechanism for correcting the plurality of battery cores, the surface of the connecting frame is provided with a placing mechanism for automatically placing the connecting sheet on the battery core, and the surface of the connecting frame is provided with an addressing mechanism for calculating the welding position.
[0008] Preferably, the fixing mechanism comprises a fixing groove, a first driving motor, a first threaded rod, a bearing, a fixing block, a connecting plate, a limiting groove and a limiting block, the surface of the battery core machining table is provided with the fixing groove, one end of the fixing groove is fixedly connected with the first driving motor, one end of the first driving motor is fixedly connected with the first threaded rod, one end of the first threaded rod is fixedly connected with the bearing, one end of the bearing is rotatably connected with the battery core machining table, the surface of the first threaded rod is threadedly connected with two groups of fixing blocks, the inner wall of the fixing groove is matched with the fixing blocks, the surfaces of the two groups of fixing blocks are fixedly connected with the connecting plates, one end of the battery core machining table is provided with the limiting groove, one end of the connecting plate is fixedly connected with the limiting block, and the inner wall of the limiting groove is matched with the limiting block.
[0009] By adopting the above technical scheme, starting the first driving motor can drive the first threaded rod to rotate, and when the first threaded rod rotates, the fixing block can drive the connecting plate to move left and right, and by simultaneously moving the two groups of connecting plates inward, a plurality of battery cores can be fixed on the battery core machining table.
[0010] Preferably, the fixing groove is provided with a guide cavity matched with the contour of the fixing block, the inner surface of the guide cavity and the outer surface of the fixing block are matched with a cooperation gap of 0.05-0.2 mm, and the size of the cooperation gap is configured to allow the fixing block to reciprocate linearly along the fixing groove without jamming.
[0011] Preferably, the adjusting mechanism comprises a first connecting groove, a second connecting groove, a second driving motor, a second threaded rod and a clamping plate, the surface of one group of fixing blocks is provided with the first connecting groove, the surface of the other group is provided with the second connecting groove, one end of the first connecting groove is provided with the second driving motor, one end of the second driving motor is fixedly connected with the second threaded rod, one end of the second threaded rod is rotatably connected with the fixing block, and the surface of the second threaded rod is threadedly connected with two groups of clamping plates.
[0012] By adopting the above technical scheme, starting the second driving motor drives the second threaded rod to rotate, and the clamping plate moves left and right, and by simultaneously moving the two groups of clamping plates inward, a plurality of battery cores can be corrected, so that the plurality of battery cores are on the same horizontal line, and the connecting piece is subsequently installed on the battery core.
[0013] Preferably, the placing mechanism comprises a first electric push rod, a fixed plate, a connecting sleeve, a groove, a first sliding groove, a second electric push rod, an adjusting plate, a second sliding groove, a spring, a sliding plate, a third electric push rod and a pressing plate, one side of the surface of the connecting frame is fixedly connected with the first electric push rod, one end of the first electric push rod is fixedly connected with the fixed plate, the surface of the fixed plate is fixedly connected with the connecting sleeve, the top of the connecting sleeve is provided with the groove, one side of the bottom of the connecting sleeve is provided with the first sliding groove, the groove and the first sliding groove are matched with the connecting piece, and the inside of the connecting sleeve is fixedly connected with the second electric push rod.
[0014] By adopting the above technical scheme, the second electric push rod can drive the connecting piece to move forward through the adjusting plate, so that the connecting piece can move to the position of the first sliding groove.
[0015] Preferably, the inner wall of the first sliding groove is provided with the second sliding groove on both sides, the inner wall of the second sliding groove is provided with the spring, one end of the spring is fixedly connected with the second sliding groove, the other end of the spring is fixedly connected with the sliding plate, the inner wall of the second sliding groove is slidably connected with the sliding plate, the inside of the connecting sleeve is fixedly connected with the two groups of third electric push rods, and one end of the third electric push rod is fixedly connected with the pressing plate.
[0016] By adopting the above technical scheme, when the connecting piece moves forward, the connecting piece extrudes the sliding plate and the spring, and the two groups of sliding plates are extruded to the connecting piece through the reciprocating pushing of the spring, so that the connecting piece is clamped between the two groups of sliding plates and is above the first sliding groove.
[0017] Preferably, the addressing mechanism comprises a fourth electric push rod, a connecting block, a laser welding head, a camera module, a positioning plate, a positioning frame and a positioning groove, one side of the surface of the connecting frame is fixedly connected with the fourth electric push rod, the surface of the fourth electric push rod is fixedly connected with the connecting block, the bottom of the connecting block is provided with the laser welding head and the camera module, one end of the fourth electric push rod is fixedly connected with the positioning plate, one end of the positioning plate is fixedly connected with the positioning frame, and the surface of the positioning frame is provided with the positioning groove.
[0018] Preferably, the inside of the connecting block is provided with a ring-shaped light source module, an industrial computer and a data interaction system, and the camera module is composed of a 2000-megapixel industrial camera and a telecentric lens.
[0019] Preferably, the surface of the battery core is fixedly connected with the two groups of clamping blocks, the surface of the connecting piece is provided with the two groups of clamping grooves, and the inner wall of the clamping groove is matched with the clamping block.
[0020] Preferably, one side of the surface of the battery core is provided with a positive plate, and the other side of the surface of the battery core is provided with a negative plate.
[0021] The technical effects and advantages of the present application are as follows:
[0022] Compared with the prior art, the new energy battery core module polarity detection and pre-weld addressing device irradiates the core tab with 650nm red light through the annular light source, then uses the camera module to collect the tab area image, makes the industrial computer recognize the polarity mark through the gray scale gradient algorithm, and then synchronously calculates the center point coordinates of the welding area, and transmits the coordinate data to the laser welding machine in real time through the ModbusTCP protocol, so that the moving placement mechanism can automatically and accurately install the connecting sheet on the battery core, thereby improving the installation efficiency of the connecting sheet, and at the same time, the positioning frame can be moved above the connecting sheet in the subsequent process, thereby improving the subsequent welding accuracy. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0024] Figure 2 It is a schematic diagram of the cooperation structure of the limiting groove and the limiting block of the present application;
[0025] Figure 3 It is a schematic diagram of the adjusting mechanism of the present application;
[0026] Figure 4 It is a schematic diagram of the fixing mechanism of the present application;
[0027] Figure 5 It is a schematic diagram of the cooperation structure of the battery core and the positive sheet of the present application;
[0028] Figure 6 It is a schematic diagram of the cooperation structure of the fixing plate and the connecting sleeve of the present application;
[0029] Figure 7 It is a schematic diagram of the placement mechanism of the present application;
[0030] Figure 8 It is a schematic diagram of the cooperation structure of the second electric push rod and the adjusting plate of the present application;
[0031] Figure 9 It is a schematic diagram of the cooperation structure of the groove and the connecting sheet of the present application;
[0032] Figure 10 It is a schematic diagram of the cooperation structure of the third electric push rod and the pressing plate of the present application;
[0033] Figure 11 It is a schematic diagram of the cooperation structure of the clamping block and the clamping groove of the present application;
[0034] Figure 12 It is a schematic diagram of the cooperation structure of the clamping block and the connecting sheet of the present application;
[0035] Figure 13 It is a schematic diagram of the cooperation structure of the fourth electric push rod and the connecting block of the present application;
[0036] Figure 14 Figure 4 is a schematic view of the fourth electric push rod and the positioning plate cooperation structure of the present application;
[0037] Figure 15 Figure 5 is a schematic view of the addressing mechanism of the present application;
[0038] Figure 16 Figure 6 is a schematic view of the positioning mechanism of the present application; Figure 9 Figure 7 is an enlarged schematic view of A in Figure 6.
[0039] The figure is as follows: 1, battery core processing table; 2, first fixed frame; 3, second fixed frame; 4, connecting frame; 5, battery core; 6, fixing mechanism; 601, fixed groove; 602, first drive motor; 603, first threaded rod; 604, bearing; 605, fixed block; 606, connecting plate; 607, limiting groove; 608, limiting block; 7, adjusting mechanism; 701, first connecting groove; 702, second connecting groove; 703, second drive motor; 704, second threaded rod; 705, clamping plate; 8, placing mechanism; 801, first electric push rod; 802, fixed plate; 803, connecting sleeve; 804, recess; 805, first sliding groove; 806, second electric push rod; 807, adjusting plate; 808, second sliding groove; 809, spring; 810, sliding plate; 811, third electric push rod; 812, pressing plate; 9, addressing mechanism; 901, fourth electric push rod; 902, connecting block; 903, laser welding head; 904, camera module; 905, positioning plate; 906, positioning frame; 907, positioning groove; 10, clamping block; 11, positive plate; 12, negative plate; 13, connecting plate; 14, clamping groove. DETAILED DESCRIPTION
[0040] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0041] Embodiment:
[0042] As Figures 1 to 16The shown one kind is new energy battery core module polarity detection and before welding addressing device, including battery core processing platform 1 and addressing mechanism 9, the surface of battery core processing platform 1 is fixedly connected with first fixed frame 2, the surface of first fixed frame 2 is connected with second fixed frame 3 through linear slide rail, so that second fixed frame 3 can move on first fixed frame 2, the surface of second fixed frame 3 is connected with connecting frame 4 through linear slide rail, so that connecting frame 4 can move on second fixed frame 3, the surface of battery core processing platform 1 is placed with multiple battery cores 5, the surface of battery core 5 is placed with connecting piece 13, the surface of battery core processing platform 1 is equipped with fixed mechanism 6 for clamping multiple battery cores 5, so that multiple battery cores 5 are fixed on battery core processing platform 1, the inside of fixed mechanism 6 is equipped with adjusting mechanism 7 for the correction of multiple battery cores 5, for the correction of multiple battery cores 5, so as to place connecting piece 13 on battery core 5, the surface of connecting frame 4 is equipped with placing mechanism 8 for automatically placing connecting piece 13 on battery core 5, which can accurately place connecting piece 13 on battery core 5, the surface of connecting frame 4 is equipped with addressing mechanism 9 for calculating welding position, which can improve the subsequent welding accuracy, so that connecting piece 13 is accurately welded on battery core 5.
[0043] As a preferred embodiment, the fixed mechanism 6 includes a fixed groove 601, a first drive motor 602, a first threaded rod 603, a bearing 604, a fixed block 605, a connecting plate 606, a limiting groove 607, and a limiting block 608. The surface of the battery core processing platform 1 is provided with a fixed groove 601, one end of which is fixedly connected with a first drive motor 602. One end of the first drive motor 602 is fixedly connected with a first threaded rod 603. One end of the first threaded rod 603 is fixedly connected with a bearing 604. One end of the bearing 604 is rotatably connected with the battery core processing platform 1. The surface of the first threaded rod 603 is threadedly connected with two fixed blocks 605. The inner wall of the fixed groove 601 cooperates with the fixed blocks 605. The surface of the two fixed blocks 605 is fixedly connected with a connecting plate 606. One end of the battery core processing platform 1 is provided with a limiting groove 607. One end of the connecting plate 606 is fixedly connected with a limiting block 608. The inner wall of the limiting groove 607 cooperates with the limiting block 608. When the connecting plate 606 moves, the limiting groove 607 and the limiting block 608 can limit the movement of the connecting plate 606, preventing it from sliding when moving. Multiple battery cores 5 are placed on the battery core processing platform 1 by a clamp, and the multiple battery cores 5 are placed in a cross shape. Starting the first drive motor 602 can drive the first threaded rod 603 to rotate. When the first threaded rod 603 rotates, the fixed blocks 605 can drive the connecting plate 606 to move left and right. By moving the two connecting plates 606 inward simultaneously, the multiple battery cores 5 can be fixed on the battery core processing platform 1.
[0044] As a preferred implementation, the fixing groove 601 is provided with a guide cavity matched with the outer contour of the fixing block 605, the inner surface of the guide cavity and the outer surface of the fixing block 605 are kept a matching gap of 0.05-0.2mm, and the size of the matching gap is configured to allow the fixing block 605 to make a non-stuck reciprocating linear motion along the fixing groove 601, and when the fixing block 605 slides inside the fixing groove 601, the fixing groove 601 can limit the sliding of the fixing block 605 to prevent the fixing block 605 from shaking inside the fixing groove 601.
[0045] As a preferred implementation, the adjusting mechanism 7 includes a first connecting groove 701, a second connecting groove 702, a second drive motor 703, a second threaded rod 704, and a clamping plate 705, one group of the fixing blocks 605 is provided with the first connecting groove 701, and the other group is provided with the second connecting groove 702, one end of the first connecting groove 701 is provided with the second drive motor 703, one end of the second drive motor 703 is fixedly connected with the second threaded rod 704, one end of the second threaded rod 704 is rotatably connected with the fixing block 605, and the surface of the second threaded rod 704 is threadedly connected with two groups of the clamping plates 705, the inner walls of the first connecting groove 701 and the second connecting groove 702 cooperate with the clamping plates 705, after the multiple groups of battery cores 5 are fixed on the battery core machining table 1, the second drive motor 703 is started to drive the second threaded rod 704 to rotate, so that the clamping plates 705 move left and right, and the multiple groups of battery cores 5 can be corrected by moving the two groups of clamping plates 705 inward at the same time, so that the multiple groups of battery cores 5 are on the same horizontal line, to facilitate the subsequent installation of the connecting piece 13 on the battery core 5.
[0046] As a preferred implementation, the placing mechanism 8 includes a first electric push rod 801, a fixed plate 802, a connecting sleeve 803, a groove 804, a first sliding groove 805, a second electric push rod 806, an adjusting plate 807, a second sliding groove 808, a spring 809, a sliding plate 810, a third electric push rod 811, and a pressing plate 812, one side of the surface of the connecting frame 4 is fixedly connected with the first electric push rod 801, one end of the first electric push rod 801 is fixedly connected with the fixed plate 802, the surface of the fixed plate 802 is fixedly connected with the connecting sleeve 803, the top of the connecting sleeve 803 is provided with the groove 804, so that the multiple groups of connecting pieces 13 can be placed in the connecting sleeve 803 through the groove 804, and the bottom side is provided with the first sliding groove 805, so that the connecting piece 13 can be moved out of the first sliding groove 805, the groove 804 and the first sliding groove 805 cooperate with the connecting piece 13, the inside of the connecting sleeve 803 is fixedly connected with the second electric push rod 806, one end of the second electric push rod 806 is fixedly connected with the adjusting plate 807, and the second electric push rod 806 can drive the connecting piece 13 to move forward through the adjusting plate 807, so that the connecting piece 13 can be moved to the position of the first sliding groove 805.
[0047] As a preferred implementation, the inner wall of the first sliding groove 805 is provided with a second sliding groove 808 on both sides, the inner wall of the second sliding groove 808 is provided with a spring 809, one end of the spring 809 is fixedly connected with the second sliding groove 808, the other end is fixedly connected with a sliding plate 810, the inner wall of the second sliding groove 808 is slidingly connected with the sliding plate 810, the inside of the connecting sleeve 803 is fixedly connected with two groups of third electric push rods 811, one end of the third electric push rod 811 is fixedly connected with a pressing plate 812, when the connecting piece 13 moves forward, the connecting piece 13 extrudes the sliding plate 810 and the spring 809, and the spring 809 reciprocally pushes the two groups of sliding plates 810 to extrude the connecting piece 13, so that the connecting piece 13 is clamped between the two groups of sliding plates 810 and is above the first sliding groove 805.
[0048] As a preferred implementation, the addressing mechanism 9 includes a fourth electric push rod 901, a connecting block 902, a laser welding head 903, a camera module 904, a positioning plate 905, a positioning frame 906 and a positioning groove 907, the surface of the connecting frame 4 is fixedly connected with the fourth electric push rod 901, the surface of the fourth electric push rod 901 is fixedly connected with the connecting block 902, the bottom of the connecting block 902 is provided with the laser welding head 903 and the camera module 904, one end of the fourth electric push rod 901 is fixedly connected with the positioning plate 905, one end of the positioning plate 905 is fixedly connected with the positioning frame 906, and the surface of the positioning frame 906 is provided with the positioning groove 907.
[0049] As a preferred implementation, the inside of the connecting block 902 is provided with a ring-shaped light source module, an industrial computer and a data interaction system, the camera module 904 is composed of a 2000-megapixel industrial camera and a telecentric lens, the ring-shaped light source is used to irradiate the tab of the battery cell with 650nm red light, and then the camera module 904 is used to collect the image of the tab area, so that the industrial computer identifies the polarity mark through the gray scale gradient algorithm, and then synchronously calculates the center point coordinates of the welding area, and the coordinates data are transmitted in real time to the laser welding machine through the ModbusTCP protocol, so as to move the positioning frame 906 to the upper side of the connecting piece 13.
[0050] As a preferred implementation, the surface of the battery cell 5 is fixedly connected with two groups of clamping blocks 10, the surface of the connecting piece 13 is provided with two groups of clamping grooves 14, the inner wall of the clamping groove 14 is matched with the clamping block 10, so that the connecting piece 13 can be clamped on the clamping block 10 through the clamping groove 14, and the connecting piece 13 will not shake on the battery cell 5 during welding, avoiding affecting the qualified rate of welding.
[0051] As a preferred implementation, the surface of the battery cell 5 is provided with a positive electrode piece 11 on one side and a negative electrode piece 12 on the other side.
[0052] The working process of the present application is as follows: a plurality of battery core groups 5 are placed on the battery core processing table 1 by the clamp, the plurality of battery core groups 5 are placed in cross, the first driving motor 602 is started to drive the first threaded rod 603 to rotate, when the first threaded rod 603 rotates, the fixed block 605 can drive the connecting plate 606 to move left and right, by moving the two connecting plates 606 inward at the same time, the plurality of battery core groups 5 are fixed on the battery core processing table 1, then the second driving motor 703 is started to drive the second threaded rod 704 to rotate, the clamping plate 705 moves left and right, by moving the two clamping plates 705 inward at the same time, the plurality of battery core groups 5 can be corrected, so that the plurality of battery core groups 5 are on the same horizontal line, the annular light source irradiates the core tab with 650nm red light, then the camera module 904 collects the tab area image, the industrial computer identifies the polarity mark through the gray scale gradient algorithm, and then synchronously calculates the center point coordinates of the welding area, the coordinate data is transmitted to the laser welding machine in real time through the ModbusTCP protocol, the second fixed frame 3 and the connecting frame 4 are moved, the first sliding groove 805 at the bottom of the connecting sleeve 803 is moved above the positive plate 11 of one of the plurality of battery core groups 5 and the negative plate 12 of another of the plurality of battery core groups 5, the first electric push rod 801 is started to drive the connecting sleeve 803 to move downward, the connecting sleeve 803 covers the positive plate 11 and the negative plate 12 through the first sliding groove 805, the plurality of connecting plates 13 are placed in the connecting sleeve 803 through the groove 804, the second electric push rod 806 is started to drive the connecting plate 13 to move forward through the adjusting plate 807, when the connecting plate 13 moves forward, the connecting plate 13 extrudes the sliding plate 810 and the spring 809, the two sliding plates 810 extrude the connecting plate 13 through the reciprocating pushing of the spring 809, the connecting plate 13 is clamped between the two sliding plates 810, and the connecting plate 13 is above the first sliding groove 805 and moves to the position of the first sliding groove 805, then the third electric push rod 811 is started to push the connecting plate 13 through the pressing plate 812, the clamping block 10 is inserted into the clamping groove 14, so as to place the connecting plate 13 on the surface of the positive plate 11 of one of the plurality of battery core groups 5 and the negative plate 12 of another of the plurality of battery core groups 5, and so on, the surfaces of the plurality of battery core groups 5 are installed with the connecting plate 13, then the second fixed frame 3 and the connecting frame 4 are moved, the positioning frame 906 is above the welding position of the surface of the connecting plate 13, the fourth electric push rod 901 is started to drive the positioning frame 906 to move downward through the positioning plate 905, so as to weld the connecting plate 13 through the positioning frame 906 and the positioning groove 907 by the laser welding head 903, and the connecting plate 13 is fixed on the positive plate 11 and the negative plate 12. The above is the working principle of the new energy battery core module polarity detection and pre-welding addressing device.
Claims
1. A polarity detection and pre-welding addressing device for a new energy battery cell module, comprising a battery cell processing table (1) and an addressing mechanism (9), wherein a first fixing frame (2) is fixedly connected to the surface of the battery cell processing table (1), a second fixing frame (3) is connected to the surface of the first fixing frame (2) via a linear slide rail, a connecting frame (4) is connected to the surface of the second fixing frame (3) via a linear slide rail, a plurality of battery cells (5) are placed on the surface of the battery cell processing table (1), and a connecting piece (13) is placed on the surface of the battery cell (5), characterized in that: The surface of the battery core processing platform (1) is provided with a fixing mechanism (6) for clamping multiple groups of battery cores (5), the inside of the fixing mechanism (6) is provided with an adjusting mechanism (7) for correcting multiple groups of battery cores (5), the surface of the connecting frame (4) is provided with a placing mechanism (8) for automatically placing the connecting piece (13) on the battery core (5), and the surface of the connecting frame (4) is provided with an addressing mechanism (9) for calculating the welding position. The placing mechanism (8) comprises a first electric push rod (801), a fixed plate (802), a connecting sleeve (803), a groove (804), a first sliding groove (805), a second electric push rod (806), an adjusting plate (807), a second sliding groove (808), a spring (809), a sliding plate (810), a third electric push rod (811) and a pressing plate (812), one side of the surface of the connecting frame (4) is fixedly connected with the first electric push rod (801), one end of the first electric push rod (801) is fixedly connected with the fixed plate (802), the surface of the fixed plate (802) is fixedly connected with the connecting sleeve (803), the top of the connecting sleeve (803) is provided with the groove (804), and the bottom side is provided with the first sliding groove (805); the groove (804) and the first sliding groove (805) are matched with the connecting piece (13); the inside of the connecting sleeve (803) is fixedly connected with the second electric push rod (806); one end of the second electric push rod (806) is fixedly connected with the adjusting plate (807); The inner walls of the first sliding groove (805) are provided with the second sliding groove (808) on both sides, the inner wall of the second sliding groove (808) is provided with the spring (809), one end of the spring (809) is fixedly connected with the second sliding groove (808), the other end is fixedly connected with the sliding plate (810), the inner wall of the second sliding groove (808) is slidably connected with the sliding plate (810), and the inside of the connecting sleeve (803) is fixedly connected with two groups of third electric push rods (811); one end of the third electric push rod (811) is fixedly connected with the pressing plate (812); The addressing mechanism (9) comprises a fourth electric push rod (901), a connecting block (902), a laser welding head (903), a camera module (904), a positioning plate (905), a positioning frame (906) and a positioning groove (907), one side of the surface of the connecting frame (4) is fixedly connected with the fourth electric push rod (901), the surface of the fourth electric push rod (901) is fixedly connected with the connecting block (902), the bottom of the connecting block (902) is provided with the laser welding head (903) and the camera module (904), one end of the fourth electric push rod (901) is fixedly connected with the positioning plate (905), one end of the positioning plate (905) is fixedly connected with the positioning frame (906), and the surface of the positioning frame (906) is provided with the positioning groove (907).
2. The new energy battery cell module polarity detection and pre-weld addressing device according to claim 1, characterized in that: The fixing mechanism (6) comprises a fixing groove (601), a first driving motor (602), a first threaded rod (603), a bearing (604), a fixing block (605), a connecting plate (606), a limiting groove (607) and a limiting block (608), the surface of the battery core machining table (1) is provided with the fixing groove (601), one end of the fixing groove (601) is fixedly connected with the first driving motor (602), one end of the first driving motor (602) is fixedly connected with the first threaded rod (603), one end of the first threaded rod (603) is fixedly connected with the bearing (604), one end of the bearing (604) is rotatably connected with the battery core machining table (1), the surface of the first threaded rod (603) is threadedly connected with two groups of fixing blocks (605), the inner wall of the fixing groove (601) is matched with the fixing blocks (605), the surfaces of the two groups of fixing blocks (605) are fixedly connected with the connecting plate (606), one end of the battery core machining table (1) is provided with the limiting groove (607), one end of the connecting plate (606) is fixedly connected with the limiting block (608), and the inner wall of the limiting groove (607) is matched with the limiting block (608). 3.The new energy battery cell module polarity detection and pre-weld addressing device according to claim 2, characterized in that: The fixing groove (601) is provided with a guide cavity matched with the contour of the fixing block (605), the inner surface of the guide cavity is matched with the outer surface of the fixing block (605) with a matching gap of 0.05-0.2mm, and the size of the matching gap is configured to allow the fixing block (605) to make a non-stuck reciprocating linear motion along the fixing groove (601) in the axial direction.
4. The new energy battery cell module polarity detection and pre-weld addressing device according to claim 2, characterized in that: The adjusting mechanism (7) comprises a first connecting groove (701), a second connecting groove (702), a second driving motor (703), a second threaded rod (704) and a clamping plate (705), one surface of one group of the fixing blocks (605) is provided with the first connecting groove (701), the other group is provided with the second connecting groove (702), one end of the first connecting groove (701) is provided with the second driving motor (703), one end of the second driving motor (703) is fixedly connected with the second threaded rod (704), one end of the second threaded rod (704) is rotatably connected with the fixing block (605), and the surface of the second threaded rod (704) is threadedly connected with two groups of clamping plates (705), and the inner walls of the first connecting groove (701) and the second connecting groove (702) are matched with the clamping plates (705).
5. The new energy battery cell module polarity detection and pre-weld addressing device according to claim 1, characterized in that: The inside of the connecting block (902) is provided with a ring-shaped light source module, an industrial computer and a data interaction system, and the camera module (904) is composed of a 20 million pixel industrial camera and a telecentric lens.
6. The new energy battery cell module polarity detection and pre-weld addressing device according to claim 1, characterized in that: The surface of the battery core (5) is fixedly connected with two groups of clamping blocks (10), and the surface of the connecting piece (13) is provided with two groups of clamping grooves (14), and the inner wall of the clamping groove (14) is matched with the clamping block (10).
7. The new energy battery cell module polarity detection and pre-weld addressing device according to claim 1, characterized in that: The surface of the battery core (5) is provided with a positive plate (11) on one side and a negative plate (12) on the other side.
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