Lithium battery laser welding clamp

Abstract

The utility model relates to the field of lithium battery welding clamps, and discloses a lithium battery laser welding clamp which comprises a base, a fixing column is fixedly connected to the upper portion of the base, a mounting frame is fixedly connected to the right side of the fixing column, a driving assembly is arranged in the mounting frame, and a mounting column is slidably connected to the interior of the fixing column. A rack plate is fixedly connected to the rear side of the mounting column, a mounting plate is fixedly connected to the upper portion of the mounting column, fixing plates are fixedly connected to the left side and the right side of the upper portion of the mounting plate, reset assemblies are arranged on the sides, close to each other, of the fixing plates, and connecting rods are slidably connected to the middles of the fixing plates. The ends, close to each other, of the connecting rods are fixedly connected with clamping plates. According to the lithium battery laser welding clamp, through cooperation of the fixing column, the mounting frame, the mounting column, the rack plate, the motor, the rotating shaft, the gear and other structures, the height of a welded lithium battery can be adjusted through the lithium battery laser welding clamp.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery welding fixtures, in particular to a lithium battery laser welding fixture. Background Art

[0002] Laser welding is a high-precision, non-contact welding technology that is often used to connect lithium batteries to ensure efficient battery assembly. When manufacturing lithium batteries, a lithium battery laser welding fixture is often required to assist in laser welding.

[0003] A Chinese patent document with the search announcement number CN219561966U discloses a lithium battery laser welding fixture, comprising a fixing seat, both sides of the top of the fixing seat are movably connected with movable plates, a card slot is provided on the side where the two movable plates are close to each other, and the number of the card slots is three, and a connection box is fixedly connected to the front of the fixing seat; the utility model can achieve the effect of positioning and clamping three lithium batteries at the same time by setting three card slots, improves the efficiency of later welding, and reduces the tediousness of frequent battery replacement, through the movable plate, the card slot, the pulley, the threaded rod, The cooperation of the threaded sleeve, connecting plate, connecting rod and transmission rod can make the movable plate move to one side of the lithium battery, and then the movable plate can make the slot stuck on the surface of the lithium battery, realizing the clamping operation of the lithium battery, and effectively preventing only one battery from being positioned and fixed at a time, so that the battery needs to be frequently replaced and positioned during the later welding process, thereby reducing the efficiency of laser welding. However, in the laser welding process, due to the different height positions required for welding, the height of the laser welding needs to be adjusted. This patent does not take into account the problem that the height of the lithium battery laser welding fixture cannot be adjusted. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a lithium battery laser welding fixture, which aims to improve the problem that the lithium battery laser welding fixture in the prior art is often highly fixed and cannot be adjusted.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lithium battery laser welding fixture, including a base, a fixed column fixedly connected to the upper part of the base, a mounting frame fixedly connected to the right side of the fixed column, a driving assembly is arranged inside the mounting frame, a mounting column is slidably connected inside the fixed column, a rack plate is fixedly connected to the rear side of the mounting column, a mounting plate is fixedly connected to the upper part of the mounting column, fixed plates are fixedly connected to the left and right sides of the upper part of the mounting plate, a reset assembly is arranged on the side where the fixed plates are close to each other, a connecting rod is slidably connected to the middle part of the fixed plate, a splint is fixedly connected to the close end of the connecting rod, and fixing assemblies are arranged on the upper and lower sides of the splint.

[0006] Through the above technical solution, the height of the welding fixture can be adjusted.

[0007] As a further description of the above technical solution:

[0008] The driving assembly includes a motor, a rotating shaft and a gear. The motor is fixedly connected to the inner side of the mounting frame, the rotating shaft is fixedly connected to the output end of the motor, and the gear is fixedly connected to the outer side of the rotating shaft.

[0009] Through the above technical solution, the rack plate can be driven.

[0010] As a further description of the above technical solution:

[0011] The reset assembly comprises a telescopic rod and a reset spring. The telescopic rod is fixedly connected to one side close to the fixing plate. The other end of the telescopic rod is fixed to the clamping plate. The reset spring is arranged on the outside of the telescopic rod.

[0012] Through the above technical solution, the lithium battery can be clamped.

[0013] As a further description of the above technical solution:

[0014] The fixing assembly comprises a connecting block and bolts. The connecting block is fixedly connected to the upper and lower sides of the clamping plate, and the bolts are inserted into the inner side of the connecting block.

[0015] Through the above technical solution, the splint can be fixed.

[0016] As a further description of the above technical solution:

[0017] The end of the connecting rod that is away from the other end is fixedly connected with a handle.

[0018] Through the above technical solution, the effect of facilitating pulling the connecting rod is achieved.

[0019] As a further description of the above technical solution:

[0020] The front side of the gear is meshed with the rack plate, the rear side of the fixed column is provided with a sliding groove, and the rack plate is slidably connected inside the sliding groove.

[0021] Through the above technical solution, the rack plate can be limited.

[0022] As a further description of the above technical solution:

[0023] The sides of the two left and right return springs that are close to each other are fixedly connected to the clamping plate, and the sides of the two left and right return springs that are far away from each other are fixedly connected to the fixing plate.

[0024] The above technical solution can facilitate the resetting of the splint.

[0025] The utility model has the following beneficial effects:

[0026] 1. In the utility model, the lithium battery laser welding fixture can adjust the height of the welded lithium battery through the coordination among the fixed column, the mounting frame, the mounting column, the rack plate, the motor, the rotating shaft and the gear.

[0027] 2. In the utility model, through the coordination among structures such as the fixing plate, the connecting rod, the telescopic rod, the reset spring, the connecting block and the bolt, the lithium battery laser welding fixture can clamp and fix lithium batteries of different models, thereby improving the practicality of the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A three-dimensional diagram of a lithium battery laser welding fixture proposed by the utility model;

[0029] Figure 2 This is a rear view of a lithium battery laser welding fixture proposed by the utility model;

[0030] Figure 3 for Figure 2 Enlarged view of point A in .

[0031] Legend:

[0032] 1. Base; 2. Fixed column; 3. Mounting frame; 4. Motor; 5. Rotating shaft; 6. Gear; 7. Mounting column; 8. Rack plate; 9. Mounting plate; 10. Fixed plate; 11. Connecting rod; 12. Clamp; 13. Handle; 14. Connecting block; 15. Bolt; 16. Telescopic rod; 17. Reset spring. DETAILED DESCRIPTION

[0033] 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.

[0034] Reference Figure 1-3The utility model provides an embodiment: a lithium battery laser welding fixture, including a base 1, a fixed column 2 is fixedly connected to the upper part of the base 1, a mounting frame 3 is fixedly connected to the right side of the fixed column 2, a driving component is arranged inside the mounting frame 3, a mounting column 7 is slidably connected to the inside of the fixed column 2, a rack plate 8 is fixedly connected to the rear side of the mounting column 7, a mounting plate 9 is fixedly connected to the upper part of the mounting column 7, a fixed plate 10 is fixedly connected to the left and right sides of the upper part of the mounting plate 9, a reset component is arranged on the side close to the fixed plate 10, and a connecting rod is slidably connected to the middle part of the fixed plate 10 Rod 11, the end of the connecting rod 11 that is close to it is fixedly connected with a clamping plate 12, and fixing components are arranged on the upper and lower sides of the clamping plate 12. The end of the connecting rod 11 that is away from it is fixedly connected with a handle 13. The driving component includes a motor 4, a rotating shaft 5 and a gear 6. The motor 4 is fixedly connected to the inner side of the mounting frame 3, the rotating shaft 5 is fixedly connected to the output end of the motor 4, the gear 6 is fixedly connected to the outer side of the rotating shaft 5, the front side of the gear 6 is meshed with the rack plate 8, and a sliding groove is opened on the rear side of the fixed column 2. The rack plate 8 is slidably connected inside the sliding groove, and the rack plate 8 is limited by the sliding groove.

[0035] By starting the motor 4 and making the motor 4 run, the rotating shaft 5 is driven to rotate, the rotating shaft 5 drives the gear 6 to rotate, the rotation of the gear 6 drives the rack plate 8 to slide inside the sliding groove, the rack plate 8 drives the mounting column 7 to move, and the movement of the mounting column 7 drives the mounting plate 9 to move, thereby realizing that the lithium battery laser welding fixture can adjust the height of the welded lithium battery.

[0036] Reference Figure 1-2 The reset assembly includes a telescopic rod 16 and a reset spring 17. The telescopic rod 16 is fixedly connected to the side close to the fixed plate 10. The other end of the telescopic rod 16 is fixed to the clamping plate 12. The reset spring 17 is arranged on the outside of the telescopic rod 16. The reset spring 17 is limited by the telescopic rod 16. The fixing assembly includes a connecting block 14 and a bolt 15. The connecting block 14 is fixedly connected to the upper and lower sides of the clamping plate 12. The bolt 15 is inserted into the inner side of the connecting block 14. The bolt 15 is used in conjunction with a nut. The side of the left and right reset springs 17 close to each other is fixedly connected to the clamping plate 12, and the side of the left and right reset springs 17 away from each other is fixedly connected to the fixed plate 10.

[0037] The bolt 15 is disengaged from the connecting block 14 by rotating the bolt 15, and then the handle 13 is pulled so that the handle 13 drives the connecting rod 11 to slide, and the connecting rod 11 slides and drives the clamping plate 12 to move, and the clamping plate 12 moves to squeeze the telescopic rod 16 and the reset spring 17, and then the lithium battery is placed on the side close to the clamping plate 12, and then the handle 13 is released so that the reset spring 17 is reset and drives the clamping plate 12 to move to clamp the lithium battery, and finally the bolt 15 is rotated so that the bolt 15 connects the left and right connecting blocks 14, thereby realizing that the lithium battery laser welding fixture can clamp and fix lithium batteries of different models, thereby improving the practicality of the fixture.

[0038] Working principle: When the lithium battery needs to be laser welded, the bolt 15 is turned to disengage the bolt 15 from the connecting block 14, and then the handle 13 is pulled to make the handle 13 drive the connecting rod 11 to slide, and the connecting rod 11 slides to drive the clamping plate 12 to move, and the clamping plate 12 moves to squeeze the telescopic rod 16 and the reset spring 17, and then the lithium battery is placed on the side close to the clamping plate 12, and then the handle 13 is loosened to reset the reset spring 17 to drive the clamping plate 12 to move to clamp the lithium battery, and finally the bolt 15 is turned to make the bolt 15 cooperate with the nut to connect the left and right connecting rods. The connecting block 14 realizes that the lithium battery laser welding fixture can clamp and fix lithium batteries of different models, thereby improving the practicality of the fixture. When the height of the welded lithium battery needs to be adjusted, the motor 4 is started to drive the rotating shaft 5 to rotate, and the rotating shaft 5 drives the gear 6 to rotate. The rotation of the gear 6 drives the rack plate 8 to slide inside the sliding groove, and the rack plate 8 drives the mounting column 7 to move. The movement of the mounting column 7 drives the mounting plate 9 to move, thereby realizing that the lithium battery laser welding fixture can adjust the height of the welded lithium battery.

[0039] Finally, it should be noted that the above is only a preferred embodiment 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 embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery laser welding fixture, comprising a base (1), characterized in that: The upper part of the base (1) is fixedly connected to a fixing column (2), the right side of the fixing column (2) is fixedly connected to a mounting frame (3), a driving component is arranged inside the mounting frame (3), the fixing column (2) is slidably connected to a mounting column (7), the rear side of the mounting column (7) is fixedly connected to a rack plate (8), the upper part of the mounting column (7) is fixedly connected to a mounting plate (9), the upper left and right sides of the mounting plate (9) are fixedly connected to fixing plates (10), the side close to the fixing plate (10) is provided with a reset component, the middle part of the fixing plate (10) is slidably connected to a connecting rod (11), the close end of the connecting rod (11) is fixedly connected to a clamping plate (12), and the clamping plate (12) is provided with fixing components on both the upper and lower sides.

2. A lithium battery laser welding fixture according to claim 1, characterized in that: The driving assembly comprises a motor (4), a rotating shaft (5) and a gear (6); the motor (4) is fixedly connected to the inner side of the mounting frame (3); the rotating shaft (5) is fixedly connected to the output end of the motor (4); and the gear (6) is fixedly connected to the outer side of the rotating shaft (5).

3. A lithium battery laser welding fixture according to claim 1, characterized in that: The reset assembly comprises a telescopic rod (16) and a reset spring (17); the telescopic rod (16) is fixedly connected to a side close to the fixed plate (10); the other end of the telescopic rod (16) is fixed to the clamping plate (12); and the reset spring (17) is arranged on the outside of the telescopic rod (16).

4. A lithium battery laser welding fixture according to claim 1, characterized in that: The fixing assembly comprises a connecting block (14) and a bolt (15); the connecting block (14) is fixedly connected to the upper and lower sides of the clamping plate (12); and the bolt (15) is inserted into the inner side of the connecting block (14).

5. The lithium battery laser welding fixture according to claim 1, characterized in that: The end of the connecting rod (11) that is away from the other end is fixedly connected to a handle (13).

6. A lithium battery laser welding fixture according to claim 2, characterized in that: The front side of the gear (6) is meshed with the rack plate (8), the rear side of the fixed column (2) is provided with a sliding groove, and the rack plate (8) is slidably connected inside the sliding groove.

7. A lithium battery laser welding fixture according to claim 3, characterized in that: The sides of the two left and right return springs (17) that are close to each other are fixedly connected to the clamping plate (12), and the sides of the two left and right return springs (17) that are far away from each other are fixedly connected to the fixing plate (10).

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