Battery box body manufacturing device

Abstract

The utility model relates to the technical field of battery box body manufacturing, and discloses a battery box body manufacturing device which comprises a working table and a positioning mold, a battery box outer frame is arranged outside the positioning mold in a clamping mode, and a battery box bottom plate is arranged at the upper end of the battery box outer frame. A positioning assembly is arranged between the working table and the battery box outer frame and between the working table and the battery box bottom plate, a mounting seat is fixedly connected to the middle of the upper end of the working table, a dismounting and replacing assembly is arranged between the mounting seat and the positioning mold, and the positioning assembly comprises a first bidirectional threaded rod and a second bidirectional threaded rod; a first moving groove and a second moving groove are formed in the upper end of the workbench. According to the battery box bottom plate positioning device, transverse centering alignment and longitudinal centering alignment can be carried out on the battery box bottom plate through the positioning assembly, so that the battery box bottom plate can be automatically and accurately positioned on the battery box outer frame, and the positioning mold can be rapidly replaced through the replacement assembly, so that the battery box bottom plate positioning device is conveniently suitable for battery box bodies of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of battery box manufacturing, in particular to a battery box manufacturing device. Background Art

[0002] With the rapid development of electric vehicles and energy storage devices, the battery case, a key component of the battery module, faces increasing pressure. The precision and efficiency of its production process have a significant impact on battery safety and service life. The battery case is typically constructed from multiple metal components, with welding the outer frame and bottom plate being a key process. In existing technology, this is typically achieved by using a pressure plate to press the bottom plate against the outer frame, securing the outer frame and bottom plate in place. The pressure plate applies a certain amount of pressure to secure the outer frame and bottom plate in place.

[0003] However, existing related devices are usually not equipped with a positioning function, and when using a pressing plate for pressing, the operator still needs to manually adjust the position of the outer frame and the bottom plate of the box to ensure that the two fit precisely. The labor intensity is high, and long-term repetitive operations may cause worker fatigue, thereby affecting work efficiency and quality. It is not convenient enough. Therefore, those skilled in the art provide a battery box manufacturing device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present utility model is to solve the shortcomings existing in the prior art, and a battery box manufacturing device is proposed. By providing a positioning component, the battery box bottom plate can be laterally and longitudinally aligned to the center by controlling the movement of multiple positioning plates, so that the battery box bottom plate can be automatically and accurately positioned on the battery box outer frame, effectively reducing the labor intensity of the operator and improving work efficiency and quality.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a battery box manufacturing device, comprising a workbench and a positioning mold, wherein the outer portion of the positioning mold is engaged with a battery box outer frame, the upper end of the battery box outer frame is provided with a battery box bottom plate, a positioning assembly is provided between the workbench and the battery box outer frame and the battery box bottom plate, a mounting seat is fixedly connected to the middle portion of the upper end of the workbench, and a disassembly assembly is provided between the mounting seat and the positioning mold;

[0006] The positioning assembly includes a first bidirectional threaded rod and a second bidirectional threaded rod, the upper end of the workbench is provided with a first moving groove and a second moving groove, the first bidirectional threaded rod and the second bidirectional threaded rod are both rotatably connected to the corresponding first moving groove and the second moving groove, the outer wall of the first bidirectional threaded rod is threadedly sleeved with two first moving sliders, the outer wall of the second bidirectional threaded rod is threadedly sleeved with two second moving sliders, the upper ends of the two first moving sliders and the two second moving sliders are fixedly connected to the moving plate, the middle parts of the upper ends of the two moving plates are fixedly provided with an electric telescopic rod, the upper ends of the multiple electric telescopic rods are fixedly connected to the connecting plate, and the ends of the multiple connecting plates close to the outer frame of the battery box are fixedly connected to the positioning plate;

[0007] Through the above technical solution, by providing a positioning component, before using the pressure plate to press the battery box bottom plate, the first two-way threaded rod can be controlled to rotate, and the corresponding movable plate can be moved with the positioning plate toward the battery box outer frame and the battery box bottom plate through the first movable slider, so that the battery box bottom plate can be laterally centered. Similarly, by controlling the rotation of the second two-way threaded rod, the battery box bottom plate can be longitudinally centered, so that the battery box bottom plate can be automatically and accurately positioned on the battery box outer frame, effectively reducing the labor intensity of the operator, improving work efficiency and quality, and after using the positioning component and the pressure plate to position and fix the battery box bottom plate for spot welding, the positioning plate can be controlled to move downward by starting the electric telescopic rod, so that the entire welding area between the battery box bottom plate and the battery box outer frame can be directly exposed, which is convenient for the operator to perform overall comprehensive welding.

[0008] Furthermore, the disassembly and replacement assembly includes a mounting block, the mounting block is fixedly connected to the positioning mold, the upper end of the mounting seat is provided with a mounting groove, the mounting block is clamped and arranged in the mounting groove, the inner walls on both sides of the mounting groove are provided with movable grooves, the inner walls on the opposite sides of the two movable grooves are rotatably connected to threaded screws, the outer walls of the two threaded screws are threadedly sleeved with threaded sleeves, the opposite ends of the two threaded sleeves are fixedly connected to fixed clamping blocks, fixed clamping grooves are provided on both sides of the mounting block, and the two fixed clamping blocks are clamped and arranged in the corresponding fixed clamping grooves;

[0009] Through the above technical solution, by providing a disassembly and replacement component, the positioning mold can be replaced in order to ensure the positioning effect of the battery box outer frame when manufacturing battery boxes of different specifications. When replacing, it is only necessary to control the rotation of the threaded screw to move the fixed block, so that it is disengaged or stuck in the fixed slot, and the fixation between the positioning mold and the mounting seat can be unlocked or restricted, so that the positioning mold can be disassembled and replaced. The overall operation is simple and fast, effectively saving operation time and convenient to use.

[0010] Furthermore, the upper end of the workbench is fixedly connected to a fixed plate through a plurality of support rods, and hydraulic cylinders are fixedly provided on both sides of the upper end of the fixed plate, and the output ends of the two hydraulic cylinders pass through the fixed plate and are fixedly connected to a pressure plate;

[0011] Through the above technical solution, the pressure plate can be raised and lowered by activating the hydraulic cylinder, thereby realizing the compression and decompression operations on the battery box bottom plate.

[0012] Furthermore, a first motor is fixedly provided on one side of the workbench, an output end of the first motor passes through the workbench and is fixedly connected to a first bidirectional threaded rod, a second motor is fixedly provided on the front end of the workbench, an output end of the second motor passes through the workbench and is fixedly connected to a second bidirectional threaded rod;

[0013] Through the above technical solution, the first bidirectional threaded rod can be rotated by controlling and starting the first motor, and the second bidirectional threaded rod can be rotated by controlling and starting the second motor.

[0014] Furthermore, the lower inner walls of the first movable groove and the second movable groove are each provided with two guide grooves, and guide blocks are slidably provided inside the plurality of guide grooves, and the plurality of guide blocks are fixedly connected to the corresponding first movable slider and the second movable slider;

[0015] With the above technical solution, by providing the guide groove and the guide block, the first movable slider and the second movable slider can be stably moved in the corresponding grooves.

[0016] Furthermore, the inner walls of the upper and lower ends of the two movable grooves are provided with limit grooves, and the inner parts of the plurality of limit grooves are slidably provided with limit blocks, and the plurality of limit blocks are fixedly connected to the corresponding threaded sleeves;

[0017] Through the above technical solution, by providing the limiting groove and the limiting block, the corresponding threaded sleeve can be moved stably.

[0018] Furthermore, two positioning telescopic rods are fixedly connected between the opposite ends of the plurality of connecting plates and the corresponding movable plates;

[0019] Through the above technical solution, by providing a positioning telescopic rod, the lifting and lowering movement of the connecting plate can be made more stable.

[0020] Furthermore, one end of each of the two threaded screws passes through the mounting seat and is fixedly connected to a knob;

[0021] Through the above technical solution, by providing a knob, it is convenient for the operator to rotate the corresponding threaded screw by turning the knob.

[0022] The utility model has the following beneficial effects:

[0023] 1. The battery box manufacturing device proposed by the utility model is provided with a positioning component, which can control the movement of multiple positioning plates to align the battery box bottom plate horizontally and vertically, so that the battery box bottom plate can be automatically and accurately positioned on the battery box outer frame, effectively reducing the labor intensity of the operator, improving work efficiency and quality, and after using the positioning component and the pressure plate to position and fix the battery box bottom plate for spot welding, the positioning plate can be controlled to move downward by starting the electric telescopic rod, thereby directly exposing the entire welding area between the battery box bottom plate and the battery box outer frame, making it convenient for the operator to perform overall comprehensive welding.

[0024] 2. The utility model proposes a battery case manufacturing device, which is provided with a disassembly and replacement component. When manufacturing battery cases of different specifications, in order to ensure the positioning effect of the battery case outer frame, the positioning mold can be replaced. When replacing, it is only necessary to control the rotation of the threaded screw to move the fixed block to disengage or engage in the fixed slot, thereby achieving the fixed unlocking or restricted fixation between the positioning mold and the mounting seat, so that the positioning mold can be disassembled and replaced. The overall operation is simple and fast, effectively saving operation time and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a partial axonometric diagram of a battery box manufacturing device proposed in the present invention;

[0026] Figure 2 This is a front cross-sectional schematic diagram of a battery box manufacturing device proposed in the present utility model;

[0027] Figure 3 This is a side sectional schematic diagram of a battery box manufacturing device proposed in the present invention;

[0028] Figure 4 This is a partial front cross-sectional diagram of a battery box manufacturing device proposed in the present invention;

[0029] Figure 5 for Figure 4 A magnified schematic diagram of the structure at point A.

[0030] Legend:

[0031] 1. Workbench; 2. Positioning mold; 3. Battery box frame; 4. Battery box bottom plate; 5. Positioning assembly; 6. Positioning plate; 7. First movable groove; 8. First bidirectional threaded rod; 9. First movable slider; 10. Second movable groove; 11. Second bidirectional threaded rod; 12. Second movable slider; 13. Moving plate; 14. Electric telescopic rod; 15. Connecting plate; 16. Positioning telescopic rod; 17. First motor; 18. Second motor; 19. Guide groove; 20. Guide block; 21. Mounting seat; 22. Removal and replacement assembly; 23. Mounting block; 24. Mounting groove; 25. Movable groove; 26. Threaded screw; 27. Threaded sleeve; 28. Fixed block; 29. ​​Fixed groove; 30. Knob; 31. Limit block; 32. Limit groove; 33. Support rod; 34. Fixed plate; 35. Hydraulic cylinder; 36. Press plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Reference Figure 1-3 , a specific embodiment of the present invention provides: a battery box manufacturing device, including a workbench 1 and a positioning mold 2, the outer part of the positioning mold 2 is engaged with a battery box outer frame 3, the upper end of the battery box outer frame 3 is provided with a battery box bottom plate 4, a positioning component 5 is provided between the workbench 1 and the battery box outer frame 3 and the battery box bottom plate 4, a mounting seat 21 is fixedly connected to the middle part of the upper end of the workbench 1, a disassembly component 22 is provided between the mounting seat 21 and the positioning mold 2, the upper end of the workbench 1 is fixedly connected to a fixing plate 34 through a plurality of support rods 33, hydraulic cylinders 35 are fixedly provided on both sides of the upper end of the fixing plate 34, the output ends of the two hydraulic cylinders 35 pass through the fixing plate 34 and are fixedly connected to a pressing plate 36, and the pressing plate 36 can be lifted and moved by starting the hydraulic cylinder 35, thereby realizing the compression and decompression operations of the battery box bottom plate 4;

[0034] The positioning assembly 5 includes a first bidirectional threaded rod 8 and a second bidirectional threaded rod 11. The upper end of the workbench 1 is provided with a first moving groove 7 and a second moving groove 10. The first bidirectional threaded rod 8 and the second bidirectional threaded rod 11 are both rotatably connected in the corresponding first moving groove 7 and the second moving groove 10. A first motor 17 is fixedly provided on one side of the workbench 1. The output end of the first motor 17 passes through the workbench 1 and is fixedly connected to the first bidirectional threaded rod 8. A second motor 18 is fixedly provided at the front end of the workbench 1. The output end of the second motor 18 passes through the workbench 1 and is fixedly connected to the second bidirectional threaded rod 11. By controlling and starting the first motor 17, the first bidirectional threaded rod 8 can be rotated, and by controlling and starting the second motor 18, the first bidirectional threaded rod 8 can be rotated. The second motor 18 can make the second bidirectional threaded rod 11 rotate. The outer wall of the first bidirectional threaded rod 8 is threadedly sleeved with two first movable sliders 9, and the outer wall of the second bidirectional threaded rod 11 is threadedly sleeved with two second movable sliders 12. The lower inner walls of the first movable groove 7 and the second movable groove 10 are each provided with two guide grooves 19. The interiors of the multiple guide grooves 19 are all slidably provided with guide blocks 20. The multiple guide blocks 20 are all fixedly connected to the corresponding first movable sliders 9 and the second movable sliders 12. By providing the guide grooves 19 and the guide blocks 20, the first movable sliders 9 and the second movable sliders 12 can be stably moved in the corresponding grooves. The two first movable sliders 9 and the two second movable sliders 12 The upper ends of the two movable plates 13 are fixedly connected to the movable plate 13, and the middle parts of the upper ends of the two movable plates 13 are fixedly provided with an electric telescopic rod 14. The upper ends of the multiple electric telescopic rods 14 are fixedly connected to the connecting plates 15. Two positioning telescopic rods 16 are fixedly connected between the multiple connecting plates 15 and the opposite ends of the corresponding movable plates 13. By providing the positioning telescopic rod 16, the lifting and lowering movement of the connecting plates 15 can be made more stable. The ends of the multiple connecting plates 15 close to the battery box outer frame 3 are fixedly connected to the positioning plate 6. By providing a positioning assembly 5, before using the pressing plate 36 to press the battery box bottom plate 4, the first two-way threaded rod 8 can be controlled to rotate, and the corresponding movable plate 1 can be made to move via the first movable slider 9. 3 brings the positioning plate 6 closer to the battery box outer frame 3 and the battery box bottom plate 4, thereby aligning the battery box bottom plate 4 laterally in the center. Similarly, by controlling the rotation of the second bidirectional threaded rod 11, the battery box bottom plate 4 can be aligned longitudinally in the center, so that the battery box bottom plate 4 can be automatically and accurately positioned on the battery box outer frame 3, effectively reducing the labor intensity of the operator and improving work efficiency and quality. After the battery box bottom plate 4 is positioned and fixed using the positioning assembly 5 and the pressing plate 36 for spot welding, the positioning plate 6 can be controlled to move downward by starting the electric telescopic rod 14, thereby directly exposing the entire welding area between the battery box bottom plate 4 and the battery box outer frame 3, making it convenient for the operator to perform overall and comprehensive welding.

[0035] Reference Figure 4 and Figure 5The replacement component 22 includes a mounting block 23, which is fixedly connected to the positioning mold 2. A mounting groove 24 is provided at the upper end of the mounting seat 21. The mounting block 23 is snap-fitted into the mounting groove 24. The inner walls on both sides of the mounting groove 24 are provided with movable grooves 25. The inner walls of the opposite sides of the two movable grooves 25 are rotatably connected with threaded screws 26. One end of the two threaded screws 26 passes through the mounting seat 21 and is fixedly connected with a knob 30. By providing a knob 30, it is convenient for the operator to rotate the corresponding threaded screw 26 by turning the knob 30. The outer walls of the two threaded screws 26 are threadedly sleeved with a threaded sleeve 27. The inner walls of the upper and lower ends of the two movable grooves 25 are provided with limiting grooves 32. The interiors of the multiple limiting grooves 32 are slidably provided with limiting blocks 31, and the multiple limiting blocks 31 are fixedly connected to the corresponding threaded sleeves 27. A limit groove 32 and a limit block 31 are provided, so that the corresponding threaded sleeve 27 can move stably. The opposite ends of the two threaded sleeves 27 are fixedly connected with a fixed block 28. Fixed slots 29 are provided on both sides of the mounting block 23. The two fixed blocks 28 are both engaged and set in the corresponding fixed slots 29. By providing a disassembly and replacement component 22, when manufacturing battery boxes of different specifications, in order to ensure the positioning effect of the battery box outer frame 3, the positioning mold 2 can be replaced. When replacing, it is only necessary to control the rotation of the threaded screw 26 to move the fixed block 28 so that it is disengaged from or stuck in the fixed slot 29, so as to achieve the fixed unlocking or restricted fixation between the positioning mold 2 and the mounting seat 21, so that the positioning mold 2 can be disassembled and replaced. The overall operation is simple and fast, effectively saving operation time and convenient to use.

[0036] Working principle: When in use, first clamp the battery box outer frame 3 on the corresponding positioning mold 2, then place the battery box bottom plate 4, and start the first motor 17 to rotate the first bidirectional threaded rod 8. Through the provided first movable slider 9, the corresponding movable plate 13 brings the positioning plate 6 to move closer to the battery box outer frame 3 and the battery box bottom plate 4, so that the battery box bottom plate 4 can be horizontally centered. Similarly, by starting the second motor 18 to rotate the second bidirectional threaded rod 11, the battery box bottom plate 4 can be longitudinally centered, so that the battery box bottom plate 4 can be automatically and accurately positioned on the battery box outer frame 3, and then the hydraulic cylinder 35 is started to control the pressing plate 36 to press down, thereby pressing the battery box bottom plate 4 onto the battery box outer frame 3. At this time, the battery box outer frame 3 and The battery box bottom plates 4 are spot-welded and fixed. After spot welding, the positioning plate 6 can be controlled to move downward by starting the electric telescopic rod 14, so that the entire welding area between the battery box bottom plate 4 and the battery box outer frame 3 can be directly exposed, which is convenient for the operator to perform overall comprehensive welding. When manufacturing battery boxes of different specifications, in order to ensure the positioning effect of the battery box outer frame 3, the positioning mold 2 can be replaced. When replacing, the corresponding threaded screw 26 is rotated by turning the knob 30, and the fixed block 28 is moved through the provided threaded sleeve 27, the limit groove 32 and the limit block 31 to disengage or engage in the fixed groove 29, so as to achieve unlocking or limiting the fixation between the positioning mold 2 and the mounting seat 21, so that the positioning mold 2 can be disassembled and replaced.

[0037] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions described in the aforementioned specific implementation methods or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A battery box manufacturing device, comprising a workbench (1) and a positioning mold (2), characterized in that: The outer portion of the positioning mold (2) is engaged with a battery box outer frame (3), the upper end of the battery box outer frame (3) is provided with a battery box bottom plate (4), a positioning assembly (5) is provided between the workbench (1), the battery box outer frame (3) and the battery box bottom plate (4), a mounting seat (21) is fixedly connected to the middle portion of the upper end of the workbench (1), and a disassembly assembly (22) is provided between the mounting seat (21) and the positioning mold (2); The positioning assembly (5) comprises a first bidirectional threaded rod (8) and a second bidirectional threaded rod (11); a first movable groove (7) and a second movable groove (10) are provided at the upper end of the workbench (1); the first bidirectional threaded rod (8) and the second bidirectional threaded rod (11) are both rotatably connected in the corresponding first movable groove (7) and the second movable groove (10); the outer wall of the first bidirectional threaded rod (8) is threadedly sleeved with two first movable sliders (9); the outer wall of the second bidirectional threaded rod (11) is threadedly sleeved with two second movable sliders (12); the upper ends of the two first movable sliders (9) and the two second movable sliders (12) are both fixedly connected to a movable plate (13); the middle parts of the upper ends of the two movable plates (13) are both fixedly provided with an electric telescopic rod (14); the upper ends of the plurality of electric telescopic rods (14) are all fixedly connected to a connecting plate (15); and the ends of the plurality of connecting plates (15) close to the battery box outer frame (3) are all fixedly connected to a positioning plate (6).

2. The battery case manufacturing device according to claim 1, characterized in that: The disassembly and replacement assembly (22) includes a mounting block (23), the mounting block (23) is fixedly connected to the positioning mold (2), the upper end of the mounting seat (21) is provided with a mounting groove (24), the mounting block (23) is clamped and arranged in the mounting groove (24), the inner walls on both sides of the mounting groove (24) are provided with movable grooves (25), the inner walls on the opposite sides of the two movable grooves (25) are rotatably connected with threaded screw rods (26), the outer walls of the two threaded screw rods (26) are threadedly sleeved with threaded sleeves (27), the opposite ends of the two threaded sleeves (27) are fixedly connected with fixed clamping blocks (28), the two sides of the mounting block (23) are provided with fixed clamping grooves (29), and the two fixed clamping blocks (28) are clamped and arranged in the corresponding fixed clamping grooves (29).

3. The battery case manufacturing device according to claim 1, characterized in that: The upper end of the workbench (1) is fixedly connected to a fixed plate (34) via a plurality of support rods (33), and hydraulic cylinders (35) are fixedly provided on both sides of the upper end of the fixed plate (34), and the output ends of the two hydraulic cylinders (35) pass through the fixed plate (34) and are fixedly connected to a pressure plate (36).

4. The battery case manufacturing device according to claim 1, characterized in that: A first motor (17) is fixedly provided on one side of the workbench (1), an output end of the first motor (17) passes through the workbench (1) and is fixedly connected to a first bidirectional threaded rod (8), and a second motor (18) is fixedly provided on the front end of the workbench (1), an output end of the second motor (18) passes through the workbench (1) and is fixedly connected to a second bidirectional threaded rod (11).

5. The battery case manufacturing device according to claim 1, characterized in that: The lower inner walls of the first movable groove (7) and the second movable groove (10) are each provided with two guide grooves (19), and guide blocks (20) are slidably provided inside the plurality of guide grooves (19), and the plurality of guide blocks (20) are fixedly connected to the corresponding first movable slider (9) and the second movable slider (12).

6. The battery case manufacturing device according to claim 2, characterized in that: The inner walls of the upper and lower ends of the two movable grooves (25) are both provided with limiting grooves (32), and limiting blocks (31) are slidably arranged inside the plurality of limiting grooves (32), and the plurality of limiting blocks (31) are fixedly connected to the corresponding threaded sleeves (27).

7. The battery case manufacturing device according to claim 1, characterized in that: Two positioning telescopic rods (16) are fixedly connected between the opposite ends of the plurality of connecting plates (15) and the corresponding movable plates (13).

8. The battery case manufacturing device according to claim 2, characterized in that: One end of each of the two threaded screw rods (26) passes through the mounting seat (21) and is fixedly connected to a knob (30).

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