Spot welding machine for lithium battery production

By designing an automated spot welding machine for lithium battery production, the problem of deviation in manual spot welding operations was solved, and the accuracy and efficiency of lithium battery spot welding were improved.

CN223301117UActive Publication Date: 2025-09-05FUJIAN HAOJINPENG NEW MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422546379.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-09-05
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

In existing lithium battery production, manual spot welding operations are prone to deviations, resulting in poor lithium battery performance, operator fatigue, and low work efficiency.

Method used

A spot welding machine for lithium battery production is designed. It adopts an automatic electric welding machine. The load plate and positioning plate on the workbench are driven by a motor to realize automated spot welding operation, ensuring accuracy and efficiency.

Benefits of technology

It improves the accuracy and work efficiency of lithium battery spot welding, reduces the burden of manual operation, and improves production results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223301117U_ABST
    Figure CN223301117U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of equipment, and particularly relates to a spot welding machine for lithium battery production, which comprises a workbench, an outer protective ring is fixedly mounted at the upper end of the workbench, a bearing plate is movably mounted on the inner side of the outer protective ring, a positioning plate is movably mounted at the upper end of the bearing plate, and a plurality of through positioning holes are formed in the upper end of the positioning plate. According to the automatic electric welding machine, when the automatic electric welding machine is used, a battery body is placed on the bearing plate at the upper end of the workbench, the positioning plate is movably installed at the upper end of the bearing plate, the spot welding machine can conveniently and accurately conduct spot welding operation, the spot welding effect is improved, one end of the bearing plate is fixedly connected with the movable rod, and the motor drives the movable rod at the upper end to rotate; and a spot welder is fixedly installed on the side face of the workbench, the bearing plate rotates to the lower end of the spot welder, the spot welder is driven by a screw at the upper end to move, spot welding is conducted on the lithium battery, the burden of manual operation is saved, spot welding can be better conducted, and the working efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production equipment, in particular to a spot welding machine for lithium battery production. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloys as the positive / negative electrode materials and a non-aqueous electrolyte solution. Due to the highly reactive chemical properties of lithium metal, its processing, storage, and use place very high demands on the environment. With the advancement of science and technology, lithium batteries have become mainstream. Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, were introduced in 1996 and offer superior safety, specific capacity, self-discharge rate, and price-performance compared to lithium-ion batteries. However, due to their inherently high technical requirements, these lithium metal batteries are only produced by companies in a few countries.

[0003] In the production of lithium batteries, spot welding is required for lithium batteries. Traditional spot welding machines need to be manually operated, which is prone to deviations during manual operation, affecting the use effect of lithium batteries. In addition, long-term spot welding work will cause operators to gradually become fatigued, resulting in a continuous decrease in the effect of spot welding. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a spot welding machine for lithium battery production, which solves the problem that deviations are prone to occur in manual spot welding operations.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a spot welding machine for lithium battery production, comprising a workbench, an outer protective ring fixedly mounted on the upper end of the workbench, a supporting plate movably mounted on the inner side of the outer protective ring, a positioning plate movably mounted on the upper end of the supporting plate, a plurality of through positioning holes are provided on the upper end of the positioning plate, a support plate fixedly mounted on the side of the workbench, a spot welding rod movably mounted on the upper end of the support plate, a lifting rod fixedly connected to the upper end of the spot welding rod, a screw movably mounted on the upper end of the support plate, and a second motor fixedly connected to one end of the screw.

[0006] Preferably, an inner ring groove is fixedly installed on the inner side of the outer protective ring, and the lower end of the bearing plate is movably embedded in the inner ring groove.

[0007] Preferably, a connecting block is symmetrically fixedly installed on the lower end of the positioning plate, the connecting block is movably connected to the bearing plate, and a movable shaft is movably installed between the two.

[0008] Preferably, one end of the supporting plate is fixedly connected to a movable rod, and one end of the movable rod is fixedly connected to a swivel.

[0009] Preferably, a clamping block is symmetrically mounted on the lower end of the positioning plate, and clamping rods are fixedly mounted on both sides of the upper end of the supporting plate, and the clamping block is embedded in the outside of the clamping rod.

[0010] Preferably, an operating compartment is opened inside the workbench, a first motor is fixedly installed inside the operating compartment, a fixing frame is fixedly installed at one end of the first motor, and one end of the fixing frame is fixedly connected to the workbench.

[0011] Preferably, an auxiliary rod is symmetrically installed on the upper end of the support plate, a slider is movably installed on the outside of the screw, the slider is fixedly connected to the lifting rod, a controller is fixedly installed on the upper end of the support plate, and a connecting line is fixedly installed between the controller and the spot welding rod.

[0012] Compared with the prior art, the present invention provides a spot welding machine for lithium battery production, which has the following beneficial effects:

[0013] The utility model sets an automatic electric welding machine. When in use, the battery body is placed on the supporting plate at the upper end of the workbench. The upper end of the supporting plate is movably installed with a positioning plate, which is convenient for the spot welding machine to perform spot welding operations accurately and improve the spot welding effect. One end of the supporting plate is fixedly connected to the movable rod, and the motor drives the movable rod at the upper end to rotate, thereby driving the supporting plate to rotate. A spot welder is fixedly installed on the side of the workbench, and the supporting plate is rotated to the lower end of the spot welder. The spot welder is moved under the drive of the upper end screw to spot weld the lithium battery, which saves the burden of manual operation, can better perform spot welding, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the workbench of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the spot welding mechanism of the utility model.

[0018] In the figure: 1. Workbench; 2. Outer protective ring; 3. Controller; 4. Connecting wire; 5. Support plate; 6. Operating chamber; 7. Positioning plate; 8. First motor; 9. Fixing frame; 10. Inner ring groove; 11. Load-bearing plate; 12. Rotating ring; 13. Movable rod; 14. Movable shaft; 15. Connecting block; 16. Positioning hole; 17. Clamping block; 18. Clamping rod; 19. Second motor; 20. Screw; 21. Auxiliary rod; 22. Slider; 23. Lifting rod; 24. Spot welding rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-4 In this embodiment: a spot welding machine for lithium battery production comprises a workbench 1, an outer protective ring 2 is fixedly mounted on the upper end of the workbench 1 to increase stability during use, a carrying plate 11 is movably mounted on the inner side of the outer protective ring 2, which can stably place the lithium battery, and a positioning plate 7 is movably mounted on the upper end of the carrying plate 11 to facilitate accurate spot welding operations, and a plurality of through positioning holes 16 are provided on the upper end of the positioning plate 7, which can accurately perform spot welding operations on positions requiring spot welding, and a supporting plate 5 is fixedly mounted on the side of the workbench 1 to increase stability during use, and a spot welding rod 24 is movably mounted on the upper end of the supporting plate 5, and a lifting rod 23 is fixedly connected to the upper end of the spot welding rod 24, which is convenient for operation according to actual spot welding needs, and a screw 20 is movably mounted on the upper end of the support plate 5 to facilitate movable operation, and one end of the screw 20 is fixedly connected to a second motor 19 for power output.

[0021] In this embodiment, an inner ring groove 10 is fixedly installed on the inner side of the outer protective ring 2 to increase stability during use. The lower end of the supporting plate 11 is movably embedded in the inner ring groove 10 to increase stability during use. A connecting block 15 is symmetrically fixedly installed on the lower end of the positioning plate 7. The connecting block 15 is movably connected to the supporting plate 11 and a movable shaft 14 is movably installed between the two for flexible operation. One end of the supporting plate 11 is fixedly connected to a movable rod 13, and one end of the movable rod 13 is fixedly connected to a swivel 12 for flexible rotation.

[0022] In this embodiment, a clamping block 17 is symmetrically installed at the lower end of the positioning plate 7, and a clamping rod 18 is fixedly installed on both sides of the upper end of the supporting plate 11. The clamping block 17 is embedded in the outside of the clamping rod 18 for matching connection, which is convenient for fixing the battery. An operating compartment 6 is opened inside the workbench 1, and a first motor 8 is fixedly installed inside the operating compartment 6 for power output. A fixing frame 9 is fixedly installed at one end of the first motor 8, and one end of the fixing frame 9 is fixedly connected to the workbench 1 to increase the stability of the first motor 8 during use. An auxiliary rod 21 is symmetrically installed on the upper end of the support plate 5 to improve the stability during use. A slider 22 is movably installed on the outside of the screw rod 20, and the slider 22 is fixedly connected to the lifting rod 23 to facilitate up and down adjustment of spot welding. A controller 3 is fixedly installed on the upper end of the support plate 5, and a connecting line 4 is fixedly installed between the controller 3 and the spot welding rod 24 to increase the effect during spot welding and improve work efficiency.

[0023] The working principle and use process of the utility model are as follows: the operator places the battery on the upper end of the carrier plate 11, and then installs the positioning plate 7 on the outside of the battery. The upper end of the positioning plate 7 is penetrated by a positioning hole 16, and the lower end is fixedly installed with a connecting block 15 and a clamping block 17. After the battery is placed, the positioning plate 7 is pressed downward to make the clamping block 17 embedded in the outside of the clamping rod 18, so that the battery is stably placed. The first motor 8 drives the top rotating ring 12 to rotate. The movable rod 13 is fixedly installed around the rotating ring 12. The movable rod 13 is connected to the carrier plate 11. Fixedly connected, the first motor 8 drives the carrying plate 11 to rotate, the side of the workbench 1 is fixedly installed with a support plate 5, the upper end of the support plate 5 is movably installed with a screw 20, one end of the screw 20 is fixedly connected to the second motor 19, the outside of the screw 20 is movably installed with a slider 22, the lower end of the slider 22 is fixedly installed with a lifting rod 23, and the lower end of the lifting rod 23 is installed with a spot welding rod 24, which drives the spot welding rod 24 to move up and down, and the screw 20 drives the spot welding rod 24 to reciprocate back and forth to perform spot welding operations on the battery, which is more convenient to use.

[0024] The above description is merely 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 will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A spot welding machine for lithium battery production, comprising a workbench (1), characterized in that: An outer protective ring (2) is fixedly mounted on the upper end of the workbench (1), a bearing plate (11) is movably mounted on the inner side of the outer protective ring (2), a positioning plate (7) is movably mounted on the upper end of the supporting plate (11), a plurality of through positioning holes (16) are provided on the upper end of the positioning plate (7), a support plate (5) is fixedly mounted on the side of the workbench (1), a spot welding rod (24) is movably mounted on the upper end of the support plate (5), a lifting rod (23) is fixedly connected to the upper end of the spot welding rod (24), a screw rod (20) is movably mounted on the upper end of the support plate (5), and one end of the screw rod (20) is fixedly connected to the second motor (19).

2. A spot welding machine for lithium battery production according to claim 1, characterized in that: An inner ring groove (10) is fixedly mounted on the inner side of the outer protective ring (2), and the lower end of the bearing plate (11) is movably embedded in the inner ring groove (10).

3. A spot welding machine for lithium battery production according to claim 1, characterized in that: A connecting block (15) is symmetrically fixedly installed at the lower end of the positioning plate (7), and the connecting block (15) is movably connected to the bearing plate (11), and a movable shaft (14) is movably installed between the two.

4. A spot welding machine for lithium battery production according to claim 1, characterized in that: One end of the supporting plate (11) is fixedly connected to a movable rod (13), and one end of the movable rod (13) is fixedly connected to a rotating ring (12).

5. The spot welding machine for lithium battery production according to claim 1, characterized in that: A clamping block (17) is symmetrically mounted on the lower end of the positioning plate (7), and clamping rods (18) are fixedly mounted on both sides of the upper end of the supporting plate (11), and the clamping block (17) is embedded in the outside of the clamping rod (18).

6. A spot welding machine for lithium battery production according to claim 1, characterized in that: An operating compartment (6) is provided inside the workbench (1), a first motor (8) is fixedly installed inside the operating compartment (6), a fixing frame (9) is fixedly installed at one end of the first motor (8), and one end of the fixing frame (9) is fixedly connected to the workbench (1).

7. A spot welding machine for lithium battery production according to claim 1, characterized in that: An auxiliary rod (21) is symmetrically mounted on the upper end of the support plate (5); a slider (22) is movably mounted on the outside of the screw rod (20); the slider (22) is fixedly connected to the lifting rod (23); a controller (3) is fixedly mounted on the upper end of the support plate (5); and a connecting line (4) is fixedly mounted between the controller (3) and the spot welding rod (24).