Positive pole lug of safety protection device of cylindrical lithium ion battery module spot welding machine

Abstract

The utility model discloses a cylindrical lithium ion battery module spot welder safety protection device positive pole lug, including processing table, material placing mechanism and wire feeding mechanism, the upper end of the processing table outer wall is equipped with the fixed mount, and the fixed mount outer wall is equipped with the welding machine, the material placing mechanism is installed on the processing table outer wall, the wire feeding mechanism is installed on the welding machine outer wall, and the material placing mechanism is installed on the processing table outer wall. According to the safety protection device for the cylindrical lithium ion battery module spot welding machine, through the arrangement of the wire feeding mechanism, lead wires needing to be subjected to spot welding can be clamped one by one through an electric clamping hand, and then under the driving of a control push rod, the lead wires can be subjected to spot welding, so that the safety protection device for the cylindrical lithium ion battery module spot welding machine is obtained. The lead is guided to the welding point of the battery body, then the welding machine is started, and the lead is welded on the battery body under the spot welding work of the welding machine, so that the subsequent assembly is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium batteries, in particular to a positive electrode tab of a safety protection device for a spot welding machine of a cylindrical lithium-ion battery module. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and a non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream. Among them, small cylindrical lithium battery cells and assembly modules are small in size, and manual welding is labor-intensive and inefficient. At the same time, the welding appearance and firmness are poor. Therefore, it is necessary to propose a positive electrode tab safety protection device for a cylindrical lithium-ion battery module spot welding machine.

[0003] The safety protection devices of the cylindrical lithium-ion battery module spot welding machines currently used all have positive pole ears, which makes it difficult to adaptively lock and fix the battery body, and the leads cannot be accurately matched and adjusted manually. Utility Model Content

[0004] The purpose of the utility model is to provide a positive electrode tab of a safety protection device for a spot welding machine of a cylindrical lithium-ion battery module, so as to solve the problem raised in the above background technology that the positive electrode tabs of the safety protection device for a spot welding machine of a cylindrical lithium-ion battery module currently used all exist, which makes it inconvenient to adaptively lock and fix the battery body, and the lead cannot be accurately matched and adjusted manually.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a positive electrode tab of a safety protection device for a cylindrical lithium-ion battery module spot welding machine, comprising a processing table, a material placement mechanism and a wire feeding mechanism, a fixing frame being installed on the upper end of the outer wall of the processing table, and a welding machine being installed on the outer wall of the fixing frame, the material placement mechanism being installed on the outer wall of the processing table, and the wire feeding mechanism being installed on the inner side wall of the fixing frame.

[0006] Preferably, the material placement mechanism includes a fixed seat, a spring, a control frame and a locking block. The fixed seat is installed on the outer wall of the processing table, and springs are welded on both sides of the inner wall of the fixed seat. The outer wall of the spring is connected to the control frame, and the bottom end of the control frame is connected to the locking block.

[0007] Preferably, the locking block forms a telescopic structure with the fixing seat through a spring, and the spring is symmetrically arranged with the central axis of the fixing seat.

[0008] Preferably, the wire feeding mechanism includes a sliding rod, a sliding seat, an electric clamp, a connecting rod and a control push rod. The sliding rod is installed on the inner wall of the fixed frame, and the sliding seat is provided on the outer wall of the sliding rod. The electric clamp is installed on the bottom end of the inner wall of the sliding seat, and the outer wall of the sliding seat is connected to the connecting rod. The control push rod is provided on the upper end of the outer wall of the connecting rod.

[0009] Preferably, the electric gripper forms a movable structure through a slide seat and a slide rod, and the inner wall of the slide seat is tightly fitted with the outer wall of the slide rod.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The positive electrode tab of the safety protection device for a cylindrical lithium-ion battery module spot welding machine is provided with a material placement mechanism. Such a setting can, when the battery needs to be wired, pull the control frame to pull the locking block to both sides under the elastic telescopic structure composed of the locking block, spring, and fixing seat, and then place the battery body into the fixing seat. Then release the control frame, and the battery body of different sizes can be squeezed and fixed, effectively improving the adaptability and convenience of the device.

[0012] 2. The positive electrode ear of the cylindrical lithium-ion battery module spot welding machine safety protection device is set up through the setting of the wire feeding mechanism. Such a setting can clamp the leads that need to be spot welded one by one through the electric clamp, and then guide the leads to the welding points of the battery body under the drive of the control push rod. Then, the welding machine is started, and the leads are welded to the battery body through the spot welding work of the welding machine, which is convenient for subsequent assembly, effectively improving the precise control ability and ease of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure of the material placing mechanism of the present invention;

[0015] Figure 3 This is a schematic diagram of the connection structure of the wire feeding mechanism of the present utility model.

[0016] In the figure: 1. Processing table; 2. Fixed frame; 3. Welding machine; 4. Material placement mechanism; 401. Fixed seat; 402. Spring; 403. Control frame; 404. Locking block; 5. Wire feeding mechanism; 501. Slide rod; 502. Slide seat; 503. Electric gripper; 504. Connecting rod; 505. Control push rod. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 The utility model provides a technical solution: a positive electrode ear safety protection device for a cylindrical lithium-ion battery module spot welding machine, comprising a processing table 1, a feeding mechanism 4 and a wire feeding mechanism 5. A fixing frame 2 is installed on the upper end of the outer wall of the processing table 1, and a welding machine 3 is installed on the outer wall of the fixing frame 2. The feeding mechanism 4 is installed on the outer wall of the processing table 1. The feeding mechanism 4 includes a fixing seat 401, a spring 402, a control frame 403 and a locking block 404. The fixing seat 401 is installed on the outer wall of the processing table 1, and springs 402 are welded on both sides of the inner wall of the fixing seat 401. The outer wall of the spring 402 is connected to the control frame 403, and the control frame 40 The bottom end is connected to a locking block 404, which forms a telescopic structure with the fixing seat 401 through a spring 402. The spring 402 is symmetrically arranged with the central axis of the fixing seat 401. This arrangement allows the locking block 404 to be pulled apart to the sides by pulling the control frame 403 under the elastic telescopic structure formed by the locking block 404 and the spring 402 and the fixing seat 401 when the battery needs to be wired. The battery body is then placed into the fixing seat 401, and the control frame 403 is released. Battery bodies of different sizes can be squeezed and fixed, effectively improving the adaptability and convenience of the device.

[0019] The wire feeding mechanism 5 is installed on the inner wall of the fixed frame 2. The wire feeding mechanism 5 includes a slide bar 501, a slide seat 502, an electric clamp 503, a connecting rod 504 and a control push rod 505. The slide bar 501 is installed on the inner wall of the fixed frame 2, and the outer wall of the slide bar 501 is provided with a slide seat 502. The electric clamp 503 is installed at the bottom end of the inner wall of the slide seat 502, and the outer wall of the slide seat 502 is connected to the connecting rod 504. The upper end of the outer wall of the connecting rod 504 is provided with a control push rod 505. The electric clamp 503 is connected to the outer wall of the slide seat 502. 02 and the slide bar 501 form a movable structure, and the inner wall of the slide seat 502 fits tightly with the outer wall of the slide bar 501. This arrangement can clamp the leads that need to be spot-welded one by one through the electric clamp 503, and then guide the leads to the welding points of the battery body under the control of the push rod 505, and then start the welding machine 3. Through the spot welding work of the welding machine 3, the leads are welded to the battery body, which is convenient for subsequent assembly, effectively improving the precise control ability and ease of use of the device.

[0020] Working principle: When it is necessary to use the positive pole ear of the safety protection device for the cylindrical lithium-ion battery module spot welding machine, first, when it is necessary to process the battery wiring, the locking block 404 can be pulled to the sides by pulling the control frame 403 under the elastic telescopic structure composed of the spring 402 and the fixing seat 401, and the battery body can be placed in the fixing seat 401, and then the control frame 403 can be released. The battery bodies of different sizes can be squeezed and fixed by the locking block 404. Secondly, the leads that need to be spot welded are clamped one by one by the electric clamp 503, and then the leads are guided to the welding points of the battery body under the drive of the control push rod 505, and then the welding machine 3 is started. The leads are welded to the battery body through the spot welding work of the welding machine 3, which is convenient for subsequent assembly, effectively improving the precise control ability and ease of use of the device. In this way, the instructions for use of the positive pole ear of the safety protection device for the cylindrical lithium-ion battery module spot welding machine are completed.

[0021] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positive electrode tab of a safety protection device for a spot welding machine of a cylindrical lithium-ion battery module, characterized by: The invention comprises a processing table (1), a material placement mechanism (4) and a wire feeding mechanism (5); a fixing frame (2) is installed on the upper end of the outer wall of the processing table (1), and a welding machine (3) is installed on the outer wall of the fixing frame (2); the material placement mechanism (4) is installed on the outer wall of the processing table (1), and the wire feeding mechanism (5) is installed on the inner wall of the fixing frame (2).

2. The positive electrode tab of a cylindrical lithium-ion battery module spot welding machine safety protection device according to claim 1, characterized in that: The material placement mechanism (4) comprises a fixed seat (401), a spring (402), a control frame (403) and a locking block (404); the fixed seat (401) is mounted on the outer wall of the processing table (1), and springs (402) are welded on both sides of the inner wall of the fixed seat (401); the outer wall of the spring (402) is connected to the control frame (403), and the bottom end of the control frame (403) is connected to the locking block (404).

3. The positive electrode tab of a cylindrical lithium-ion battery module spot welding machine safety protection device according to claim 2, characterized in that: The locking block (404) forms a telescopic structure with the fixing seat (401) through the spring (402), and the spring (402) is symmetrically arranged with the central axis of the fixing seat (401).

4. The positive electrode tab of a cylindrical lithium-ion battery module spot welding machine safety protection device according to claim 1, characterized in that: The wire feeding mechanism (5) comprises a slide bar (501), a slide seat (502), an electric gripper (503), a connecting rod (504) and a control push rod (505); the slide bar (501) is mounted on the inner side wall of the fixed frame (2); the slide seat (502) is sleeved on the outer wall of the slide bar (501); the electric gripper (503) is mounted on the bottom end of the inner wall of the slide seat (502); the outer wall of the slide seat (502) is connected to the connecting rod (504); and the upper end of the outer wall of the connecting rod (504) is provided with a control push rod (505).

5. The positive electrode tab of a cylindrical lithium-ion battery module spot welding machine safety protection device according to claim 4, characterized in that: The electric gripper (503) forms a movable structure through the sliding seat (502) and the sliding rod (501), and the inner wall of the sliding seat (502) and the outer wall of the sliding rod (501) are tightly fitted.

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