Laser welding tool for soft package battery cell

Abstract

A laser welding tool for a soft package battery cell comprises a base, a carrier plate, a pressing claw mechanism and a pressing plate mechanism, a guide rail is arranged at one end of the top of the base, a sliding block is arranged on the guide rail in a matched mode, and a containing cabin is arranged at the other end of the top of the base; the carrier plate is fixed to the sliding block, one end of the carrier plate is in a comb shape, a plurality of strip-shaped rods are arranged at the end of the carrier plate, and a limiting seam is formed between every two adjacent strip-shaped rods; the two pressing claw mechanisms are arranged on the two sides of the base correspondingly. The pressing claw mechanism comprises a toggle clamp assembly, a pressing claw is arranged on the toggle clamp assembly, and a screw is arranged on the pressing claw; the pressing plate mechanism comprises a supporting plate, a plurality of guide pipes are arranged on the supporting plate in a penetrating mode, movable rods capable of moving are arranged in the guide pipes, pressing plates are arranged at the bottoms of the movable rods, and the movable rods are provided with springs in the guide pipes. According to the utility model, the pressure of the spring on the pressing plate is adjusted by adjusting the height of the screw, so that the pressure of the pressing plate on the tabs can be adjusted, and different pressures can be conveniently applied to different tabs as required.

Description

TECHNICAL FIELD

[0001] The utility model relates to soft package battery cell technical field especially a laser welding frock of soft package battery cell. BACKGROUND

[0002] Soft package battery cell is a common lithium ion battery cell packaging form, the shape and size of soft package battery cell can be customized according to specific application requirements, unlike traditional cylindrical or square cell is limited by fixed mold. This makes soft package battery cell has great advantages in some high space requirements equipment, for example, can be designed into thin, curved or special-shaped shape, to better adapt to the internal structure of equipment.

[0003] The type of the tab material, hardness, width in the soft package battery cell module is complex, the position of the tab bend is not fixed, which leads to low yield, false welding, false welding, etc. When laser welding.

[0004] Therefore, we propose a laser welding frock of soft package battery cell. UTILITY MODEL CONTENTS

[0005] The applicant provides a laser welding frock of soft package battery cell to adjust the pressure of the spring on the pressure plate by adjusting the height of the screw, and then the pressure of the pressure plate on the tab can be adjusted, which is convenient for applying different pressures to different tabs as needed.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A laser welding frock of soft package battery cell, comprising:

[0008] A base is provided with a guide rail at one end of the top, a sliding block is matched on the guide rail, and a placement cabin is provided at the other end of the top of the base for placing the battery cell;

[0009] A carrier plate is fixed on the sliding block, one end of the carrier plate is comb-shaped, and a plurality of strip rods are arranged on the end of the carrier plate, a limiting slot is arranged between adjacent two strip rods for limiting the tab of the battery cell; the carrier plate is used for supporting the adapter plate;

[0010] A pressure jaw mechanism is provided with two, and the two pressure jaw mechanisms are arranged on the two sides of the base; the pressure jaw mechanism comprises an elbow clamp assembly, a pressure jaw is arranged on the elbow clamp assembly, and a screw is arranged on the pressure jaw;

[0011] A pressure plate mechanism can be placed on the adapter plate, the pressure plate mechanism comprises a support plate, a plurality of guide pipes are arranged on the support plate, a movable rod is arranged in the guide pipe, a pressure plate is arranged at the bottom of the movable rod, a spring is arranged in the guide pipe, and the pressure plate moves downward by the elastic force of the spring.

[0012] It is further characterized in that:

[0013] The placing cabin is provided with a baffle on the side away from the guide rail, and one end of the baffle is rotationally connected with the placing cabin.

[0014] The pressing plate is provided with a first welding hole, and the supporting plate is provided with a second welding hole above the first welding hole, and the size of the second welding hole is larger than that of the first welding hole.

[0015] The two movable rods are connected with the same pressing plate.

[0016] The spring top is fixedly connected with the catheter, and the spring is in a compressed state.

[0017] The movable rod is provided with a limiting block at both ends.

[0018] The beneficial effects of the utility model are as follows:

[0019] The utility model discloses compact structure, reasonable, convenient operation, removes the load plate, and the load plate moves along the guide rail, and the comb type one end of the load plate moves above the placing cabin, opens the baffle, and places the electric core in the placing cabin, and the tab of the electric core is in the limiting seam of the load plate, and in turn, places the electric core in the load plate, then the tab of the electric core is bent, and the tab of the electric core is in contact with the nickel sheet of the adapter plate, and the adapter plate is placed above the pressing plate mechanism, and the pressing plate is in contact with the tab of the electric core, and the pressing claw is in contact with the supporting plate, and the elbow clamp assembly is closed, and the pressing claw is fixed, and the height of the adjusting screw is adjusted to adjust the pressure of the spring to the pressing plate, and then the height of the adjusting screw can be adjusted to adjust the pressure of the pressing plate to the tab, and different pressure can be applied to different tabs according to the needs.

[0020] Meanwhile, the utility model still has following advantages:

[0021] (1) through the second welding hole and the first welding hole and carry out welding, make the welding area determine, prevent the welding point and deviate, when laser hits on the electric core, cause the damage, and the risk of fire.

[0022] (2) through the load plate and support the adapter plate, and the pressing plate mechanism and the pressing claw mechanism cooperate and make the pressing plate tightly press the tab of each electric core on the nickel sheet of the adapter plate, guarantee the tab of the electric core and the nickel sheet on the adapter plate and the degree of fit, improve the yield of soft package battery laser welding, and the spring has elasticity, can prevent the tab of the electric core and be damaged by too large pressure. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of the utility model.

[0024] Figure 2 It is the base and load plate schematic diagram of the utility model.

[0025] Figure 3 is a top view. Figure 2 is a top view.

[0026] Figure 4 is a schematic view of the clamping jaw mechanism of the utility model.

[0027] Figure 5 is a schematic view of the pressing plate mechanism of the utility model.

[0028] Figure 6 is a top view. Figure 5 is a top view.

[0029] Figure 7 is a schematic view of the cross section of the guide pipe and the movable rod of the utility model.

[0030] Wherein: 1, base; 101, guide rail; 102, sliding block; 103, placement cabin; 104, baffle; 2, carrier plate; 201, strip-shaped rod; 202, limiting slot; 3, adapter plate; 4, pressing plate mechanism; 401, support plate; 402, guide pipe; 403, movable rod; 404, pressing plate; 405, first welding hole; 406, second welding hole; 407, spring; 5, clamping jaw mechanism; 501, elbow clamp assembly; 502, clamping jaw; 503, screw; 6, electric core. DETAILED DESCRIPTION

[0031] The specific implementation of the utility model will be described below in combination with the drawings.

[0032] As shown in Figures 1-7 , a laser welding tool for soft-packet electric core comprises a base 1, a carrier plate 2, a pressing plate mechanism 4 and a clamping jaw mechanism 5.

[0033] The base 1 is provided with a guide rail 101 on one side of the top, and a sliding block 102 is matched and arranged on the guide rail 101; the base 1 is provided with a placement cabin 103 on the other side of the top, for placing an electric core 6; the placement cabin 103 is provided with a baffle 104 on the side away from the guide rail 101; and one end of the baffle 104 is rotationally connected with the placement cabin 103.

[0034] In one embodiment, the other side of the baffle 104 can be connected through the placement cabin 103 in the form of buckling, etc.; and the baffle 104 can be opened and closed.

[0035] The carrier plate 2 is fixed on the sliding block 102; the carrier plate 2 can slide along the guide rail 101 through the sliding block 102; one end of the carrier plate 2 is comb-shaped, and the carrier plate 2 is provided with a plurality of strip-shaped rods 201 at the comb-shaped end; and a limiting slot 202 is arranged between two adjacent strip-shaped rods 201, for limiting the tab of the electric core 6.

[0036] The comb-shaped end of the carrier plate 2 can move above the placement cabin 103.

[0037] The pressing plate mechanism 4 comprises a support plate 401, a plurality of guide pipes 402 are arranged on the support plate 401, a movable movable rod 403 is arranged in the guide pipe 402, limit blocks are arranged at both ends of the movable rod 403, a spring 407 is arranged in the guide pipe 402, the top of the spring 407 is fixedly connected with the guide pipe 402, and the spring 407 is in a compressed state, and a pressing plate 404 is arranged at the bottom of the movable rod 403.

[0038] In one embodiment, the pressing plate 404 is provided with a first welding hole 405, and the support plate 401 is provided with a second welding hole 406 above the first welding hole 405, and the size of the second welding hole 406 is greater than that of the first welding hole 405.

[0039] In one embodiment, the two movable rods 403 are connected with the same pressing plate 404.

[0040] The pressing jaw mechanism 5 comprises an elbow clamp assembly 501, a pressing jaw 502 is arranged on the elbow clamp assembly 501, and a screw 503 is arranged on the pressing jaw 502.

[0041] The pressing jaw mechanism 5 is provided with two, which are arranged on the two sides of the base 1 respectively, and the two pressing jaw mechanisms 5 cooperate to press the support plate 401 downward.

[0042] In one embodiment, the elbow clamp assembly 501 is arranged on the base 1.

[0043] In specific use, the carrier plate 2 is moved, the carrier plate 2 is moved along the guide rail 101, the comb-shaped one end of the carrier plate 2 is moved above the placement cabin 103, the baffle 104 is opened, the battery cell 6 is placed in the placement cabin 103, the tab of the battery cell 6 is in the limiting slot 202 of the carrier plate 2, a plurality of battery cells 6 are sequentially placed, the adapter plate 3 is placed on the carrier plate 2, then the tab of the battery cell 6 is bent and flattened, the tab of the battery cell 6 is in contact with the nickel sheet of the adapter plate 3, the pressing plate mechanism 4 is placed above the adapter plate 3, the pressing plate 404 is in contact with the tab of the battery cell 6, the pressing jaw 502 is placed in the screw 503 and in contact with the support plate 401, the elbow clamp assembly 501 is closed, the pressing jaw 502 is fixed, the height of the screw 503 is adjusted to adjust the pressure of the spring 407 on the pressing plate 404, and then the height of the screw 503 is adjusted to adjust the pressure of the pressing plate 404 on the tab, so as to facilitate the application of different pressures on different tabs according to needs.

[0044] Welding is performed through the second welding hole 406 and the first welding hole 405, so that the welding area is determined, and the welding point is prevented from deviating, and the risk of damage and fire caused by laser striking on the battery cell 6 is avoided.

[0045] The adapter plate 3 is supported by the carrier plate 2, the pressing plate mechanism 4 and the pressing jaw mechanism 5 cooperate to make the pressing plate 404 tightly press the tab of each battery cell 6 on the nickel sheet of the adapter plate 3, so as to ensure the adhesion of the tab of the battery cell 6 and the nickel sheet of the adapter plate 3, improve the yield of the soft package battery laser welding, and the spring 407 is elastic, so that the tab of the battery cell 6 is prevented from being damaged due to excessive pressure.

[0046] The above description is an explanation of the utility model, not a limitation of the utility model, the range defined by the utility model is seen from the claims, and any form of modification can be made within the protection range of the utility model.

Claims

1. A laser welding tool for a pouch cell, characterized by, The utility model relates to a battery cell welding device, including: The base (1) top one end is provided with guide rail (101), is provided with slider (102) on guide rail (101) match, and the other end of base (1) top is provided with the placement cabin (103) for placing electric core (6); The carrier plate (2) is fixed on slider (102), and one end of carrier plate (2) is comb type, and a plurality of strip poles (201) are arranged on the end of carrier plate (2), and limiting slit (202) is arranged between adjacent two strip poles (201) for limiting the pole ear of electric core (6);The carrier plate (2) is used for supporting adapter plate (3); The clamp mechanism (5) is provided with two, and two clamp mechanisms (5) are arranged on the both sides of base (1) respectively;The clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) includes elbow clamp component (501), and the clamp mechanism (5) 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The laser welding tooling for a pouch cell of claim 1, wherein: ​ 3. The laser welding tooling for a pouch cell of claim 2, wherein: ​ 4. The laser welding tooling for a pouch cell of claim 3, wherein: ​ 5. The laser welding tooling for a pouch cell of claim 1, wherein: ​ 6. The laser welding tooling for a pouch cell of claim 5, wherein: ​

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