Liquid metal battery electrode and current collector assembly welding tool

Abstract

The invention provides a liquid metal battery electrode and current collector assembly welding tool, and relates to the technical field of battery welding tools. The liquid metal battery electrode and current collector assembly welding tool comprises a mounting base, an adjusting structure is arranged in the upper end of the mounting base, the lower end of the adjusting structure is fixedly connected to the lower inner wall of the mounting base, and the upper end of the adjusting structure is connected with a clamping structure. By arranging the adjusting structure, during use, the rotating wheel is controlled to drive the two-way ball screw to rotate forwards and backwards so as to drive the two clamping jaw bases to move in opposite or opposite directions, and meanwhile, the guide rail sliding block and the linear guide rail are arranged on the two sides correspondingly, so that a good anti-shaking effect can be achieved; and the precision and the stability in the machining process are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery welding tooling, in particular to a liquid metal battery electrode and current collector assembly welding tooling. BACKGROUND

[0002] As a new type of high energy density energy storage device, liquid metal battery has received extensive attention in the field of grid-level energy storage in recent years. Its core advantages are high energy density, long cycle life and high safety. These characteristics make it have great potential in renewable energy storage, grid peak shaving and large-scale energy storage applications. In the manufacturing process of liquid metal battery, the welding of the electrode and the current collector assembly is a key process step, and the welding quality directly affects the performance, reliability and life of the battery.

[0003] Among them, the liquid metal battery belongs to a new type of technical industry, and the installation and cooperation between the negative electrode and the current collector are extremely important. Conventional installation and welding will cause deformation between the negative electrode and the current collector. In the process of battery operation, there is a risk of short circuit and capacity reduction. Therefore, the liquid metal battery electrode and current collector assembly welding tooling is provided by the person skilled in the art to solve the problems raised in the above background art. SUMMARY

[0004] (I) Technical problems to be solved In view of the shortcomings of the prior art, the present application provides a liquid metal battery electrode and current collector assembly welding tooling, which solves the problem of deformation between the negative electrode and the current collector in conventional welding.

[0005] (II) Technical solutions In order to achieve the above purpose, the present application is implemented by the following technical solutions: a liquid metal battery electrode and current collector assembly welding tooling, comprising a mounting base, an adjusting structure is arranged inside the upper end of the mounting base, the lower end of the adjusting structure is fixedly connected to the lower inner wall of the mounting base, and the upper end of the adjusting structure is connected with a clamping structure; The adjusting structure comprises two bearing seats, the lower ends of the two bearing seats are fixedly connected to the lower inner wall center of the mounting base on the front and rear sides, a recess is arranged at the center of the front side wall of the mounting base, a bidirectional ball screw is arranged at the center of the front side wall of the bearing seat near the recess, the rear ends of the bidirectional ball screws respectively penetrate the side walls of the two bearing seats and extend to the rear side, straight linear guides are fixedly connected to the lower inner walls of the mounting base on the upper ends of the bidirectional ball screws on both sides, guide rail sliders are symmetrically connected to the upper ends of the two straight linear guides, jaw bases are symmetrically connected to the upper ends of the bidirectional ball screws in the mounting base, the lower ends of the two jaw bases are connected to the upper end faces of the two guide rail sliders, and jaws are connected to the center of the upper end faces of the two jaw bases.

[0006] Preferably, the clamping structure includes four side claws, the four side claws are respectively connected at the upper end edges of the center of the two side walls of the two clamping jaws, the movable sliding blocks are respectively arranged at the four side claws at the upper end of the two clamping jaws, the face cover is arranged at the upper end of the two movable sliding blocks, the negative electrode piece is arranged at the center of the upper end face of the face cover, the lower end of the negative electrode piece penetrates the upper end face of the face cover and reaches the lower end, and the end is connected with the current collector adapter, and the lower end of the current collector adapter is connected with the current collector.

[0007] Preferably, the lower end of the mounting base is fixedly connected with a plurality of foot screws at the center of the two side edges.

[0008] Preferably, the front end of the bidirectional ball screw penetrates the groove and reaches the front end, and the end is fixedly connected with a rotating wheel.

[0009] Preferably, the bidirectional ball screw and the two bearing seats are rotatably connected.

[0010] Preferably, the lower end of the clamping jaw and the upper end face of the clamping jaw base are detachably connected.

[0011] (Three) beneficial effects The application provides a liquid metal battery electrode and current collector assembly welding tool. The application has the following beneficial effects: 1. In the application, the adjusting structure is arranged, the rotating wheel drives the bidirectional ball screw to reverse during use, thereby driving the two clamping jaw bases to move in opposite directions, and the guide rail sliding block and the linear guide rail arranged on the two sides can play a good anti-shake role, and the precision and stability during processing are provided.

[0012] 2. In the application, the clamping structure is arranged, the movable sliding block on the clamping jaw fixes the negative electrode piece, the relative perpendicularity of the negative electrode piece and the current collector is realized, welding operation is facilitated during processing, and the two clamping jaws and the clamping jaw base are detachably connected, so that the clamping jaws can be disassembled and replaced according to the size change of the current collector. DETAILED DESCRIPTION

[0013] Figure 1 It is an isometric view of the clamping process of the overall structure of the application; Figure 2 It is an isometric view of the overall structure of the application; Figure 3 It is an isometric view of the application from another angle; Figure 4 It is an isometric view of the application from another angle; Figure 5 It is a top view of the application; Figure 6 This is a front view of the present invention.

[0014] The components include: 1. Mounting base; 2. Adjustment structure; 201. Bearing seat; 202. Claw; 203. Guide rail slider; 204. Linear guide rail; 205. Bidirectional ball screw; 206. Claw base; 207. Rotary wheel; 3. Clamping structure; 301. Current collector adapter; 302. Negative electrode component; 303. Face cover; 304. Current collector; 305. Movable slider; 306. Side claw; 4. Foot; 5. Groove. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] Example 1 like Figures 1-6 As shown, this embodiment of the invention provides a welding fixture for liquid metal battery electrodes and current collector components, including a mounting base 1. An adjustment structure 2 is provided inside the upper end of the mounting base 1. The lower end of the adjustment structure 2 is fixedly connected to the lower inner wall of the mounting base 1. A clamping structure 3 is connected to the upper end of the adjustment structure 2. The adjusting structure 2 includes two bearing seats 201. The lower ends of the two bearing seats 201 are fixedly connected to the center of the lower inner wall of the mounting base 1 near the front and rear edges. A groove 5 is provided at the center of the front side wall of the mounting base 1. A bidirectional ball screw 205 is provided at the center of the front side wall of the bearing seat 201 near the groove 5. The rear ends of the bidirectional ball screw 205 pass through the side walls of the two bearing seats 201 and extend to the rear side. Linear guide rails 204 are fixedly connected to the lower inner walls of the mounting base 1 on both sides of the bidirectional ball screw 205. Guide rail sliders 203 are symmetrically slidably connected to the upper ends of the two linear guide rails 204. Inside the seat 1, the upper end of the bidirectional ball screw 205 is symmetrically connected to the jaw base 206. The lower ends of the two jaw bases 206 are respectively connected to the upper end surfaces of the two guide rail sliders 203. The jaws 202 are respectively connected to the center of the upper end surfaces of the two jaw bases 206. By setting the adjustment structure 2, during use, the control wheel 207 drives the bidirectional ball screw 205 to rotate forward and backward, thereby driving the two jaw bases 206 to move in opposite or opposite directions. At the same time, the guide rail sliders 203 and linear guide rails 204 set on both sides can play a good anti-vibration role, providing accuracy and stability during the processing.

[0017] The clamping structure 3 comprises four side claws 306 connected at the upper end edges of the two side walls of the two clamping claws 202, and a movable sliding block 305 is arranged between the four side claws 306 at the upper end of the two clamping claws 202, a face cover 303 is arranged at the upper end of the two movable sliding blocks 305, a negative electrode 302 is arranged at the center of the upper end surface of the face cover 303, the lower end of the negative electrode 302 penetrates the upper end surface of the face cover 303 and extends to the lower end, and a current collector adapter 301 is connected at the end, the lower end of the current collector adapter 301 is connected with a current collector 304, the current collector 304 is clamped in the inner groove of the clamping claw 202, the movable sliding block 305 on the clamping claw 202 fixes the negative electrode 302, the relative verticality of the negative electrode 302 and the current collector 304 is realized, the welding operation in the processing process is facilitated, and the detachable connection is formed between the two clamping claws 202 and the clamping claw base 206, and the disassembly and replacement treatment can be performed according to the size change of the current collector 304.

[0018] A plurality of footings 4 are fixedly connected at the center of the lower end surface of the mounting base 1 and near the two side edges, so that the stability in the working process is ensured, the front end of the bidirectional ball screw 205 penetrates the groove 5 and extends to the front end, and the rotating wheel 207 is fixedly connected at the end, the bidirectional ball screw 205 is rotationally connected between the two bearing seats 201, and the detachable connection is formed between the lower end of the clamping claw 202 and the upper end surface of the clamping claw base 206.

[0019] Working principle: the application is a liquid metal battery electrode and current collector assembly welding tool, when in use, the rotating wheel 207 drives the bidirectional ball screw 205 to perform forward and reverse rotation, so as to drive the two clamping claw bases 206 to move in opposite or opposite directions, at the same time, the good anti-shake effect is achieved by arranging the guide rail sliding blocks 203 and the linear guide rails 204 on the two sides, the precision and stability in the processing process are provided, the current collector 304 is clamped in the inner groove of the clamping claw 202, the movable sliding block 305 on the clamping claw 202 fixes the negative electrode 302, the relative verticality of the negative electrode 302 and the current collector 304 is realized, the welding operation in the processing process is facilitated, and the detachable connection is formed between the two clamping claws 202 and the clamping claw base 206, and the disassembly and replacement treatment can be performed according to the size change of the current collector 304.

[0020] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for liquid metal battery electrodes and current collector components, including a mounting base (1), characterized in that: An adjustment structure (2) is provided inside the upper end of the mounting base (1). The lower end of the adjustment structure (2) is fixedly connected to the lower inner wall of the mounting base (1). A clamping structure (3) is connected to the upper end of the adjustment structure (2). The adjustment structure (2) includes two bearing seats (201). The lower ends of the two bearing seats (201) are respectively fixedly connected to the lower inner wall center of the mounting base (1) near the front and rear edges. A groove (5) is provided at the center of the front side wall of the mounting base (1). A bidirectional ball screw (205) is provided at the center of the front side wall of the bearing seat (201) near the groove (5). The rear end of the bidirectional ball screw (205) passes through the side walls of the two bearing seats (201) and extends to the rear side. 205) Linear guide rails (204) are fixedly connected to the lower inner walls of the mounting bases (1) on both sides. Guide rail sliders (203) are symmetrically slidably connected to the upper ends of the two linear guide rails (204). Claw bases (206) are symmetrically connected to the upper ends of the bidirectional ball screws (205) located inside the mounting bases (1). The lower ends of the two claw bases (206) are respectively connected to the upper end surfaces of the two guide rail sliders (203). Claws (202) are respectively connected to the center of the upper end surfaces of the two claw bases (206).

2. The welding fixture for the liquid metal battery electrode and current collector assembly according to claim 1, characterized in that: The clamping structure (3) includes four side claws (306). The four side claws (306) are respectively connected to the upper edge of the center of the two side walls of the two claws (202). Movable sliders (305) are respectively provided in the middle of the four side claws (306) at the upper end of the two claws (202). A face cover (303) is provided at the upper end of the two movable sliders (305). A negative electrode (302) is provided at the center of the upper surface of the face cover (303). The lower end of the negative electrode (302) penetrates the upper surface of the face cover (303) and extends to the lower end. The end is connected to a current collector adapter (301). The lower end of the current collector adapter (301) is connected to a current collector (304).

3. The welding fixture for the liquid metal battery electrode and current collector assembly according to claim 1, characterized in that: Multiple feet (4) are fixedly connected to the center of the lower end face of the mounting base (1) near the two side edges.

4. The welding fixture for the liquid metal battery electrode and current collector assembly according to claim 1, characterized in that: The front end of the bidirectional ball screw (205) passes through the groove (5) and extends to the front end, and the end is fixedly connected to a wheel (207).

5. The welding fixture for the liquid metal battery electrode and current collector assembly according to claim 1, characterized in that: The bidirectional ball screw (205) is rotatably connected to the two bearing seats (201).

6. The welding fixture for liquid metal battery electrodes and current collectors according to claim 1, characterized in that: The lower end of the claw (202) is detachably connected to the upper end of the claw base (206).

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