Electric vehicle power battery assembling tool
By designing a fixed frame assembly and a fixed plate assembly that combines magnetic blocks and connecting strips, the problems of single tooling structure and cumbersome welding process of existing electric vehicle power battery assembly are solved, and the rapid fixation and stable connection of battery components are achieved, simplifying the The assembly and welding process improves assembly efficiency and safety.
Patent Information
- Application Number
- CN202411295782.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2024-12-27
AI Technical Summary
The existing electric vehicle power battery assembly tooling structure is single, and multiple battery modules cannot be fixed at the same time, and the welding process is cumbersome and inconvenient for use.
An electric vehicle power battery assembly tool including a fixing frame assembly and a fixing plate assembly is designed. Through the combination of magnetic suction blocks and connecting strips, stable fixation and quick connection of battery components are achieved, and through flip slots and sliding grooves. design, simplifying welding and disassembly processes.
It realizes rapid fixing and stable connection of battery components, simplifies the assembly and welding process, improves assembly efficiency and safety, and facilitates battery installation and removal.
Smart Images

Figure CN119208929A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of battery assembly equipment, and in particular to an electric vehicle power battery assembly tool. Background Art
[0002] Assembly tooling refers to a type of tool used in the manufacturing industry to help workers assemble parts. These tools are usually used to ensure the precise alignment, positioning and fixing of parts during the assembly process to achieve the dimensional accuracy and quality standards required by the product design. Assembly tooling can greatly improve production efficiency, reduce human errors, and ensure product quality and consistency. Electric vehicle power battery assembly tooling refers to tooling designed specifically for the assembly process of electric vehicle battery packs. Electric vehicle power battery packs are composed of multiple battery modules, each of which contains multiple cells. In order to ensure the quality and safety of the battery pack, the assembly process requires the use of special tooling to ensure the precise installation of battery cells and the overall structural stability of the battery pack.
[0003] The existing power battery assembly tooling has a relatively simple structure and can only perform fixed processing on one power battery module. It is usually a frame-type structure. The assembly tooling needs to be flipped when welding the bottom, and needs to be flipped again after welding to remove the internal power battery. The process is relatively cumbersome and inconvenient to use. Summary of the invention
[0004] In order to solve the problems raised in the above-mentioned background technology, the present application provides an electric vehicle power battery assembly tool.
[0005] The above technical objectives of this application are achieved through the following technical solutions: An electric vehicle power battery assembly tool comprises a fixed frame assembly, a fixed plate assembly is provided at the top and bottom of the fixed frame assembly, connecting bar assemblies are fixedly installed at both ends of the fixed plate assembly, the fixed plate assembly comprises a plate body, connecting hook grooves are provided at both ends of the plate body, a first magnetic block is fixedly installed inside the connecting hook groove, the connecting bar assembly comprises a connecting bar body, a connecting hook bar is fixedly installed on one side of the connecting bar body, a second magnetic block is fixedly installed on the side of the connecting hook bar away from the fixed frame assembly, the connecting hook bar is engaged and connected with the connecting hook groove, the first magnetic block is magnetically connected to the second magnetic block, and a connecting hole is provided in the middle of the connecting bar body.
[0006] As a preferred technical solution of the present invention, both ends of the connecting hook groove and the connecting hook strip are provided with notches, and both ends of the connecting strip body away from the fixing frame assembly are provided with positioning holes.
[0007] As a preferred technical solution of the present invention, spot welding holes are provided on the surface of the plate body, and a nickel sheet groove is provided on the side of the plate body facing the fixed frame assembly.
[0008] As a preferred technical solution of the present invention, end fixing blocks are fixedly installed at both ends of the plate body facing the fixed frame assembly, two middle fixing blocks are fixedly installed between the two end fixing blocks, and side fixing blocks are provided at both ends of the middle fixing blocks.
[0009] As a preferred technical solution of the present invention, the end fixing block, the middle fixing block and the side fixing block are all provided with a bottom shell fixing groove at the bottom, and the side fixing block is provided with an outer shell fixing groove at the top.
[0010] As a preferred technical solution of the present invention, the fixing frame assembly includes a fixing frame body, the middle of both sides of the fixing frame body are provided with cover opening grooves, and the outer sides of both ends of the fixing frame body are provided with flip slots.
[0011] As a preferred technical solution of the present invention, a slide groove is provided in the middle of both ends of the fixing frame body, and a fixed sliding block is slidably connected inside the slide groove.
[0012] As a preferred technical solution of the present invention, a push spring is fixedly installed on one end of the fixed sliding block, and the other end of the push spring is fixedly connected to the fixed frame body.
[0013] As a preferred technical solution of the present invention, a locking tongue is fixedly installed on one side of the fixed sliding block, and the locking tongue is engaged with the connecting hole.
[0014] As a preferred technical solution of the present invention, guide blocks are provided on both sides of the lock tongue, guide grooves are provided on both sides of the slide groove, and the guide blocks are slidably connected to the guide grooves.
[0015] In another aspect, the present invention provides a method for assembling a power battery for an electric vehicle, comprising the following steps: Step 1: Select a fixing plate assembly that matches the power battery, and then fix the connecting bar assembly on both ends of the fixing plate assembly. Fix the fixing plate assembly with the connecting bar assembly fixedly installed on the bottom of the fixing frame assembly by engaging the locking tongue with the connecting hole; Step 2: The bottom nickel sheet, the module bottom shell, the battery cell, the battery shell, the module top shell and the top nickel sheet are fixedly installed in the fixed frame assembly in sequence, and then a fixed plate assembly with connecting bar assemblies fixedly connected at both ends is fixedly installed on the top of the fixed frame assembly; Step 3: Weld the top nickel sheet and the battery cell through the spot welding holes, insert the flip mechanism execution end into the flip slot to flip the device, and facilitate the welding mechanism to weld the ground nickel sheet and the battery cell through the spot welding holes. After welding and fixing, insert the cover opening mechanism into the slide slot to push the fixed slider to loosen the lock tongue and the connecting hole, disassemble the fixed plate assembly from the top of the fixed frame assembly, and then take the power battery out of the device.
[0016] In summary, this application has the following technical effects: A fixing plate assembly is provided at the top and bottom of the fixing frame assembly, and connecting bar assemblies are fixedly installed at both ends of the fixing plate assembly, which is convenient for the connecting bar assembly to fix the fixing plate assembly and the fixing frame assembly, thereby fixing the internal power battery components and facilitating the assembly of the power battery. The first magnetic block is magnetically connected to the second magnetic block, which is convenient for quickly and easily fixing the connecting bar assembly and the fixing plate assembly. The snap connection between the connecting hook bar and the connecting hook groove can further improve the stability of the fixed connection between the fixing plate assembly and the connecting bar assembly, so that the device can select the fixing plate assembly corresponding to the power battery according to needs for use. A connecting hole is opened in the middle of the connecting bar body, which is convenient for fixing the connecting bar assembly and the fixing frame assembly, thereby facilitating the fixed connection between the fixing plate assembly and the fixing frame assembly, and the fixing plate assembly can form both the bottom of the fixing frame assembly and the cover of the fixing frame assembly. After flipping, the bottom can also be opened as a cover, which is convenient for taking out the power battery installed inside. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is the appearance structure diagram of this application; Figure 2 is an exploded view of this application; Figure 3 This application Figure 2 A magnified view of the structure in Figure 4 is a cutaway view of the connecting strip assembly of the present application; Figure 5 It is a three-dimensional structural schematic diagram of the fixed plate assembly of the present application; Figure 6 It is a cutaway view of the fixed frame assembly of the present application.
[0018] In the figure, 1. fixed frame assembly; 11. fixed frame body; 12. fixed slider; 13. lock tongue; 14. flip slot; 15. cover opening slot; 16. slide slot; 17. guide slot; 18. push spring; 19. guide block; 2. fixed plate assembly; 21. plate body; 22. spot welding hole; 23. nickel sheet slot; 24. end fixing block; 25. middle fixing block; 26. side fixing block; 27. bottom shell fixing slot; 28. shell fixing slot; 29. connecting hook slot; 210. first magnetic block; 3. connecting strip assembly; 31. connecting strip body; 32. connecting hook strip; 33. second magnetic block; 34. connecting hole; 35. positioning hole. DETAILED DESCRIPTION
[0019] The present application is further described in detail below with reference to the accompanying drawings.
[0020] As attached Figure 1 To Attachment Figure 6 As shown: The present invention provides an electric vehicle power battery assembly tool, referring to Figure 1 The assembly tool includes a fixed frame assembly 1, a fixed plate assembly 2 is provided at the top and bottom of the fixed frame assembly 1, and connecting bar assemblies 3 are fixedly installed at both ends of the fixed plate assembly 2. The fixed frame assembly 1 is provided with a fixed plate assembly 2 at the top and bottom, and the connecting bar assemblies 3 are fixedly installed at both ends of the fixed plate assembly 2, so that the connecting bar assembly 3 can fix the fixed plate assembly 2 and the fixed frame assembly 1, thereby fixing the internal power battery components and facilitating the assembly of the power battery.
[0021] Combination Figures 2 to 4 The fixed plate assembly 2 includes a plate body 21, and connecting hook grooves 29 are provided at both ends of the plate body 21. A first magnetic block 210 is fixedly installed inside the connecting hook groove 29. The connecting bar assembly 3 includes a connecting bar body 31, and a connecting hook bar 32 is fixedly installed on one side of the connecting bar body 31. A second magnetic block 33 is fixedly installed on the side of the connecting hook bar 32 away from the fixed frame assembly 1. The connecting hook bar 32 is snap-connected with the connecting hook groove 29, and the first magnetic block 210 is magnetically connected with the second magnetic block 33. Through the magnetic connection between the first magnetic block 210 and the second magnetic block 33, it is convenient to quickly and easily fix the connecting bar assembly 3 with the fixed plate assembly 2. The snap-connection between the connecting hook bar 32 and the connecting hook groove 29 can further improve the stability of the fixed connection between the fixed plate assembly 2 and the connecting bar assembly 3, so that the device can select the fixed plate assembly 2 corresponding to the power battery for use according to needs.
[0022] Combination Figure 2 and Figure 4 A connection hole 34 is opened in the middle of the connecting bar body 31. The connection hole 34 is opened in the middle of the connecting bar body 31, which facilitates the fixed connection between the connecting bar assembly 3 and the fixed frame assembly 1, thereby facilitating the fixed connection between the fixed plate assembly 2 and the fixed frame assembly 1. The fixed plate assembly 2 can form both the bottom and the cover of the fixed frame assembly 1. After flipping, the bottom can also be opened as a cover, which facilitates the removal of the power battery installed inside.
[0023] Combination Figure 2 and Figure 4 Notches are provided at both ends of the connecting hook groove 29 and the connecting hook strip 32. The notches make it easy to insert a tool into the gap of the notches to pry open the connection between the connecting strip assembly 3 and the fixing plate assembly 2, thereby facilitating the disassembly and replacement of the fixing plate assembly 2. Positioning holes 35 are provided at both ends of the connecting strip body 31 away from the fixing frame assembly 1. The positioning holes 35 are provided to facilitate positioning of the device and facilitate the welding mechanism to weld the nickel sheet and the battery cell.
[0024] Reference Figure 5A spot welding hole 22 is provided on the surface of the plate body 21, and a nickel sheet groove 23 is provided on the side of the plate body 21 facing the fixed frame assembly 1. The arrangement of the spot welding hole 22 and the nickel sheet groove 23 facilitates the positioning of the top nickel sheet and the bottom nickel sheet, and facilitates the welding mechanism to weld the nickel sheet and the battery cell through the spot welding hole 22.
[0025] Reference Figure 5 End fixing blocks 24 are fixedly installed at both ends of the plate body 21 facing the fixed frame assembly 1, two middle fixing blocks 25 are fixedly installed between the two end fixing blocks 24, and side fixing blocks 26 are provided at both ends of the middle fixing blocks 25. Through the arrangement of the end fixing blocks 24, the middle fixing blocks 25 and the side fixing blocks 26, it is convenient to position and fix the bottom shell, top shell and outer shell of the power battery.
[0026] Reference Figure 5 A bottom shell fixing groove 27 is provided at the bottom of one side of the end fixing block 24, the middle fixing block 25 and the side fixing block 26. The bottom shell fixing groove 27 is provided to facilitate positioning and fixing of the bottom shell and the top shell of the power battery. A shell fixing groove 28 is provided at the top of one side of the side fixing block 26. The shell fixing groove 28 is provided to facilitate positioning and fixing of the shell of the power battery in cooperation with the fixing frame body 11, thereby facilitating the assembly of the power battery.
[0027] Reference Figure 6 The fixed frame assembly 1 includes a fixed frame body 11, and a cover opening groove 15 is opened in the middle of both sides of the fixed frame body 11. Flip slots 14 are opened on the outer sides of both ends of the fixed frame body 11. Through the arrangement of the cover opening grooves 15 and the flip slots 14, it is convenient to insert the execution end of the flip mechanism into the flip slots 14 to flip the device, which is convenient for welding the nickel sheet at the bottom. After completing the assembly of the power battery, the fixed plate assembly 2 can be conveniently disassembled through the cover opening grooves 15.
[0028] Reference Figure 6 A slide groove 16 is opened in the middle of both ends of the fixed frame body 11, and a fixed slider 12 is slidably connected inside the slide groove 16. The fixed slider 12 is slidably connected inside the slide groove 16, so that when the fixed plate assembly 2 is removed from the top of the fixed frame assembly 1, a tool is inserted into the slide groove 16 to push the fixed slider 12 to unlock the lock tongue 13 and the connecting hole 34.
[0029] Reference Figure 6 A push spring 18 is fixedly installed at one end of the fixed slider 12, and the other end of the push spring 18 is fixedly connected to the fixed frame body 11. Through the setting of the push spring 18, the push spring 18 provides elastic force to push the fixed slider 12, making it convenient for the lock tongue 13 to engage with the connecting hole 34, thereby fixedly connecting the connecting strip assembly 3 and the fixed frame assembly 1.
[0030] Reference Figure 6A locking tongue 13 is fixedly installed on one side of the fixed slider 12, and the locking tongue 13 is engaged with the connecting hole 34. The locking tongue 13 is engaged with the connecting hole 34, so that the connecting bar assembly 3 and the fixed frame assembly 1 can be fixedly connected. Guide blocks 19 are provided on both sides of the locking tongue 13, and guide grooves 17 are provided on both sides of the inner side of the slide groove 16. The guide blocks 19 are slidably connected with the guide grooves 17. The guide blocks 19 are slidably connected with the guide grooves 17, so that the sliding of the locking tongue 13 is guided, and the stability and accuracy of the sliding of the locking tongue 13 are improved, so that the connecting bar assembly 3 and the fixed frame assembly 1 can be conveniently fixedly connected.
[0031] The present invention provides a method for assembling a tool for a power battery of an electric vehicle, comprising the following steps: Step 1: Select a fixing plate assembly that matches the power battery, and then fix the connecting bar assembly 3 on both ends of the fixing plate assembly 2. Through the engagement of the locking tongue 13 with the connecting hole 34, fix the fixing plate assembly 2 with the connecting bar assembly 3 fixedly installed on the bottom of the fixing frame assembly 1; Step 2: The bottom nickel sheet, the module bottom shell, the battery cell, the battery shell, the module top shell and the top nickel sheet are fixedly installed in the fixed frame assembly 1 in sequence, and then a fixed plate assembly 3 with connecting bar assemblies 3 fixedly connected at both ends is fixedly installed on the top of the fixed frame assembly 1; Step three: Weld the top nickel sheet and the battery cell through the spot welding hole 22, insert the flip mechanism execution end into the flip slot 14 to flip the device, so that the welding mechanism can weld the ground nickel sheet and the battery cell through the spot welding hole 22. After welding and fixing, the cover opening mechanism inserts the slide slot 16 to push the fixed slider 12 to loosen the lock tongue 13 and the connecting hole 34, disassemble the fixed plate assembly 2 from the top of the fixed frame assembly 1, and then take the power battery out of the device.
[0032] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.
Claims
1. An electric vehicle power battery assembly tool, characterized in that: The invention comprises a fixed frame assembly (1), wherein a fixed plate assembly (2) is provided at the top and the bottom of the fixed frame assembly (1), and connecting strip assemblies (3) are fixedly installed at both ends of the fixed plate assembly (2), wherein the fixed plate assembly (2) comprises a plate body (21), and connecting hook grooves (29) are provided at both ends of the plate body (21), and a first magnetic block (210) is fixedly installed inside the connecting hook groove (29), and the connecting strip assembly (3) comprises a connecting strip body (31), and a connecting hook strip (32) is fixedly installed on one side of the connecting strip body (31), and a second magnetic block (33) is fixedly installed on the side of the connecting hook strip (32) away from the fixed frame assembly (1), and the connecting hook strip (32) is snap-connected with the connecting hook groove (29), and the first magnetic block (210) is magnetically connected to the second magnetic block (33), and a connecting hole (34) is provided in the middle of the connecting strip body (31).
2. The electric vehicle power battery assembly tool according to claim 1, characterized in that: Notches are provided at both ends of the connecting hook groove (29) and the connecting hook strip (32), and positioning holes (35) are provided at both ends of the connecting strip body (31) on the side away from the fixed frame assembly (1).
3. The electric vehicle power battery assembly tool according to claim 1, characterized in that: A spot welding hole (22) is provided on the surface of the plate body (21), and a nickel sheet groove (23) is provided on the side of the plate body (21) facing the fixed frame assembly (1).
4. The electric vehicle power battery assembly tool according to claim 3, characterized in that: End fixing blocks (24) are fixedly mounted on both ends of the plate body (21) facing the fixing frame assembly (1), two middle fixing blocks (25) are fixedly mounted between the two end fixing blocks (24), and side fixing blocks (26) are provided at both ends of the middle fixing blocks (25).
5. The electric vehicle power battery assembly tool according to claim 4, characterized in that: The end fixing block (24), the middle fixing block (25) and the side fixing block (26) are all provided with a bottom shell fixing groove (27) at the bottom of one side, and the side fixing block (26) is provided with an outer shell fixing groove (28) at the top of one side.
6. The electric vehicle power battery assembly tool according to claim 1, characterized in that: The fixing frame assembly (1) comprises a fixing frame body (11), the fixing frame body (11) has cover opening slots (15) in the middle of two sides, and the fixing frame body (11) has flip slots (114) on the outer sides of two ends.
7. The electric vehicle power battery assembly tool according to claim 6, characterized in that: Slide grooves (16) are provided in the middle of both ends of the fixed frame body (11), and a fixed sliding block (12) is slidably connected inside the slide groove (16).
8. The electric vehicle power battery assembly tool according to claim 7, characterized in that: A push spring (18) is fixedly mounted on one end of the fixed sliding block (12), and the other end of the push spring (18) is fixedly connected to the fixed frame body (11).
9. The electric vehicle power battery assembly tool according to claim 8, characterized in that: A locking tongue (13) is fixedly mounted on one side of the fixed slide block (12), and the locking tongue (13) is snap-connected to the connecting hole (34).
10. The electric vehicle power battery assembly tool according to claim 9, characterized in that: Guide blocks (19) are provided on both sides of the locking tongue (13), guide grooves (17) are provided on both sides of the interior of the sliding groove (16), and the guide blocks (19) are slidably connected to the guide grooves (17).
