Tool for square battery cell flexible connection welding
By designing square battery cell soft connection welding tool, the simulated battery mold and limit block are used to achieve stable limits between the soft connection sheet and the top cover of the lithium-ion battery, solving the problem of complex traditional welding operations and improving the production and processing of lithium batteries efficiency.
Patent Information
- Application Number
- CN202323439837.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-18
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-18
AI Technical Summary
The welding tooling of traditional lithium-ion battery cell soft connection sheet and top cover is complicated, which affects the production and processing efficiency of lithium batteries.
A square battery cell soft connection welding tool is designed, including fixed base, side plate support plate, steel plate, height-adjustment support column, tool base, wooden base plate, tool handle, manual quick clamp, compaction assembly, fixing The block, simulation cover groove and other components can achieve stable limiting and welding of the soft connection sheet and the battery ceiling through simulation battery molds and limit blocks.
It simplifies the operation process, improves the processing efficiency of lithium-ion batteries, ensures stable connection between the soft connection sheet and the battery cover, and facilitates welding.
Smart Images
Figure CN222199382U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium ion battery processing, in particular to a tool for square battery core soft connection welding. Background Art
[0002] Lithium-ion batteries can be divided into three types in terms of shape: cylindrical, soft-pack, and square. Among the existing lithium-ion batteries used in electric vehicles, square lithium-ion batteries account for the largest proportion, about 60%-80%. In the production process, the series or parallel connection between energy storage lithium battery modules is completed by the circuit board and the connecting piece. One end of the connecting piece is connected to the positive or negative electrode of the lithium battery, and the other end is connected to the conductive circuit board to transmit current. When assembling the square lithium-ion battery cell, the soft connecting piece needs to be installed on the top cover. Its main purpose is to form an ion channel to ensure that there are enough lithium ions in the battery to migrate between the positive and negative pole pieces during the charging and discharging process, thereby realizing a reversible cycle process.
[0003] The traditional tooling for welding the soft connector and the top cover of lithium-ion batteries is very complicated to operate when fixing the soft connector and the top cover, which affects the production and processing efficiency of lithium batteries. Utility Model Content
[0004] The utility model aims to provide a tool for square battery core soft connection welding to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tool for square battery cell soft connection welding, comprising a fixed base, side panel support plates are fixed on both sides of the top of the fixed base, a steel plate is installed on the top of the side panel support plate, a plurality of groups of height adjustment support columns are installed on the top of the steel plate, the top of the height adjustment support column is bolted with a tool base, a wooden base is clamped on the top of the tool base, tool handles are installed on both sides of the top of the wooden base through mounting seats, manual quick clamps are installed on the front and rear ends of the top of the wooden base through fixed seats, a clamping assembly is movably provided on the top of the wooden base, fixed blocks are fixed on both sides of the top of the wooden base, the top of the fixed block is hinged with a wooden battery cover through a hinge, and a simulated cover groove is provided on the top of the wooden base.
[0006] Preferably, the clamping assembly comprises a clamping plate, a clamping support column is installed at the bottom of the clamping plate, and a copper clamping nozzle is fixed at the bottom of the clamping support column.
[0007] Preferably, a limiting column is fixed on the top of the tooling base, and a limiting groove which is engaged with the limiting column is formed at the bottom of the wooden block bottom plate.
[0008] Preferably, a positioning column is fixed on the top of the wood pad bottom plate, a positioning hole is opened on the surface of the pressure plate, and the top of the positioning column passes through the positioning hole and extends upward.
[0009] Preferably, a support block is fixed on the top of the pad bottom plate, and the support block is located below the pad battery cover plate to support the pad battery cover plate.
[0010] Preferably, limiting blocks are fixed on both sides of the top of the wooden cushion bottom plate, and the limiting blocks, the fixing blocks and the supporting blocks form a simulated battery mold.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model places the battery top cover into the groove of the simulation cover plate, and then places a pair of pre-welded battery cells in the simulation battery molds on both sides respectively, and places the soft connecting piece on the pole corresponding to the wooden battery cover plate. The soft connecting piece and the battery top cover are pressed by a pressing assembly, and then the pressing plate is squeezed by a manual quick clamp, and then it is observed whether the copper pressing nozzle is aligned with the short connecting piece of the battery cell, so as to quickly limit the short connecting piece and the battery top cover, facilitate welding, have a simple structure and are easy to operate, and are easy to improve the processing efficiency of lithium-ion batteries.
[0013] 2. The utility model facilitates the positioning of the battery cell by setting a limit block, ensures that the battery cell is placed inside the simulated battery mold, ensures that the soft connecting piece is stably connected to the battery top cover, and facilitates welding. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the wooden bottom plate of the utility model when viewed from above;
[0017] Figure 4 This is a top view of the three-dimensional structure of the wooden bottom plate of the utility model;
[0018] Figure 5 It is a three-dimensional structural schematic diagram of the clamping assembly of the utility model.
[0019] Numbers in the figure: 1. Fixed base; 2. Side panel support plate; 3. Steel plate; 4. Wooden bottom plate; 5. Tool handle; 6. Fixed seat; 7. Manual quick clamp; 8. Clamping assembly; 81. Pressing plate; 82. Clamping support column; 83. Copper pressing nozzle; 9. Fixed block; 10. Wooden battery cover; 11. Simulation cover groove; 12. Limit column; 13. Limit groove; 14. Positioning column; 15. Positioning hole; 16. Support block; 17. Limit block; 18. Simulation battery mold; 19. Heightening support column; 20. Tool base. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] The utility model provides Figures 1 to 5 A square battery cell soft connection welding tool shown in the figure comprises a fixed base 1, side panel support plates 2 are fixed on both sides of the top of the fixed base 1, a steel plate 3 is installed on the top of the side panel support plate 2, a plurality of groups of height adjustment support columns 19 are installed on the top of the steel plate 3, a tool base 20 is bolted to the top of the height adjustment support column 19, a wooden bottom plate 4 is clamped on the top of the tool base 20, tool handles 5 are installed on both sides of the top of the wooden bottom plate 4 through a mounting seat, a manual quick clamp 7 is installed at the front and rear ends of the top of the wooden bottom plate 4 through a fixing seat 6, a clamping assembly 8 is movably provided on the top of the wooden bottom plate 4, a fixing block 9 is fixed on both sides of the top of the wooden bottom plate 4, a wooden battery cover plate 10 is hinged on the top of the fixing block 9 through a hinge, and a simulated cover plate groove 11 is provided on the top of the wooden bottom plate 4;
[0022] By placing the battery top cover into the simulated cover groove 11, and then placing a pair of pre-welded battery cells in the simulated battery molds 18 on both sides, the soft connecting piece is placed on the pole corresponding to the wooden battery cover 10, and the soft connecting piece and the battery top cover are pressed by the clamping assembly 8, and then the pressing plate 81 is squeezed by the manual quick clamp 7, and then the copper pressing nozzle 83 is observed to be aligned with the short connecting piece of the battery cell, so as to quickly limit the short connecting piece and the battery top cover and facilitate welding. The structure is simple and easy to operate, and the processing efficiency of lithium-ion batteries is easy to improve.
[0023] The clamping assembly 8 includes a pressing plate 81, a clamping support column 82 is installed at the bottom of the pressing plate 81, and a copper pressing nozzle 83 is fixed at the bottom of the clamping support column 82. The pressing plate 81 and the copper pressing nozzle 83 can be connected through the clamping support column 82 to ensure that the manual quick clamp 7 is pressed by the copper pressing nozzle 83 through the pressing plate 81.
[0024] A limiting column 12 is fixed on the top of the tooling base 20, and a limiting groove 13 is provided at the bottom of the wood base plate 4 to be clamped with the limiting column 12. Through the clamping connection between the limiting column 12 and the limiting groove 13, the wood base can be conveniently clamped on the top of the tooling base 20 while ensuring the stability between the wood base and the tooling base 20.
[0025] A positioning column 14 is fixed to the top of the wooden base plate 4, and a positioning hole 15 is opened on the surface of the pressure plate 81. The top of the positioning column 14 passes through the positioning hole 15 and extends upward. Through the cooperation between the positioning column 14 and the positioning hole 15, the pressure plate 81 can be positioned conveniently to ensure the stability of the position of the pressure plate 81 and the copper pressure nozzle 83, and avoid displacement of the copper pressure nozzle 83.
[0026] A support block 16 is fixed on the top of the pad bottom plate 4, and the support block 16 is located below the pad battery cover plate 10 to support the pad battery cover plate 10. Through the setting of the support block 16, it is convenient to cooperate with the fixing block 9 to support the pad battery cover plate 10 to ensure the stability of the pad battery cover plate 10.
[0027] Limiting blocks 17 are fixed on both sides of the top of the wooden base plate 4. The limiting blocks 17, the fixing blocks 9 and the supporting blocks 16 form a simulated battery mold 18. The setting of the limiting blocks 17 facilitates the positioning of the battery cells and ensures that the pre-welded battery cells remain stable.
[0028] During specific use, place the battery top cover into the simulated cover groove 11, and then place the welded pair of battery cells in the simulated battery molds 18 on both sides respectively, use the limit block 17 to limit and fix the battery cells, and then place the soft connecting piece on the corresponding pole of the wooden battery cover 10, and place the pressing plate 81 of the clamping assembly 8 on the fixed seat 6, buckle the manual quick clamp 7, and observe whether the copper pressure nozzle 83 is aligned with the soft connecting piece of the battery cell. After alignment, place the wooden base on top of the tooling base 20, and use the limit column 12 and the limit groove 13 to clamp the wooden base and the tooling base 20 to connect, and then laser welding can be performed.
[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A tool for welding square battery core soft connections, comprising a fixed base (1), Features: Side panel support plates (2) are fixed on both sides of the top of the fixed base (1), a steel plate (3) is installed on the top of the side panel support plate (2), a plurality of groups of height adjustment support columns (19) are installed on the top of the steel plate (3), a tooling base (20) is bolted to the top of the height adjustment support column (19), a wooden base plate (4) is clamped on the top of the tooling base (20), tooling handles (5) are installed on both sides of the top of the wooden base plate (4) through a mounting seat, a manual quick clamp (7) is installed at the front and rear ends of the top of the wooden base plate (4) through a fixing seat (6), a clamping assembly (8) is movably arranged on the top of the wooden base plate (4), a fixing block (9) is fixed on both sides of the top of the wooden base plate (4), a wooden battery cover plate (10) is hinged on the top of the fixing block (9) through a hinge, and a simulated cover plate groove (11) is provided on the top of the wooden base plate (4).
2. A square battery core soft connection welding tool according to claim 1, Features: The pressing assembly (8) comprises a pressing plate (81), a pressing support column (82) is installed at the bottom of the pressing plate (81), and a copper pressing nozzle (83) is fixed at the bottom of the pressing support column (82).
3. A square battery core soft connection welding tool according to claim 1, Features: A limiting column (12) is fixed on the top of the tooling base (20), and a limiting groove (13) is provided at the bottom of the pad bottom plate (4) for clamping with the limiting column (12).
4. A square battery core soft connection welding tool according to claim 2, Features: A positioning column (14) is fixed on the top of the wooden cushion bottom plate (4), a positioning hole (15) is opened on the surface of the pressing plate (81), and the top of the positioning column (14) passes through the positioning hole (15) and extends upward.
5. A square battery core soft connection welding tool according to claim 1, Features: A support block (16) is fixed on the top of the cushion bottom plate (4), and the support block (16) is located below the cushion battery cover plate (10) to support the cushion battery cover plate (10).
6. A square battery core soft connection welding tool according to claim 1, Features: Limiting blocks (17) are fixed on both sides of the top of the wooden cushion bottom plate (4), and the limiting blocks (17), the fixing blocks (9) and the supporting blocks (16) form a simulated battery mold (18).