Fixing tool for assisting welding of battery pack bracket

Abstract

The utility model relates to the technical field of battery pack bracket welding, and discloses a fixing tool for assisting in battery pack bracket welding, which comprises an operating platform, a plurality of supporting frames are arranged on the left side of the operating platform, cylinders are arranged on the upper portions of the supporting frames, an adjusting mechanism is arranged on the right side of the operating platform, and a plurality of cylinders are arranged on the upper portion of the adjusting mechanism. And an extrusion mechanism is arranged at the output end of the air cylinder. According to the fixing tool assisting in welding of the battery pack bracket, the piston is ejected out through hydraulic oil through the conveying pump, the ends of the ejector pins are attached to the surface of the battery pack bracket, and therefore the clamping plate box can stably clamp the battery pack bracket, the welding quality is improved, the corresponding servo motors are driven to operate, and the welding efficiency is improved. The positions of the moving seats are adjusted, the positions corresponding to the air cylinders on the moving seats are adjusted, the air cylinders on the moving seats are staggered from holes and other parts in the battery pack bracket, and therefore the battery pack bracket is better clamped and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack bracket welding technical field, especially in auxiliary battery pack bracket welding's fixed frock. BACKGROUND

[0002] Before welding, the battery pack bracket is placed on the positioning component of the fixed frock, and the bracket reaches the predetermined welding position through the cooperation of the positioning pin and the positioning block. Then, the clamping component is started, and the clamping force acts on the bracket to firmly fix it on the support component of the frock. During the welding process, no matter what vibration or external force interference the welding equipment produces, the bracket can be kept in the accurate position due to the fixing effect of the fixed frock, the position accuracy of the welding point is guaranteed, and the welded battery pack bracket meets the quality requirements.

[0003] However, most of the battery pack brackets are not flat blocks, and there are ridges on them for strengthening the structure, and there are holes for connecting the outside. These ridges or holes make it difficult for the traditional clamps to be clamped smoothly on the surface of the battery pack bracket, which is not conducive to welding. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a fixed frock for assisting battery pack bracket welding, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a fixed frock for assisting battery pack bracket welding, comprising an operation table, a plurality of support frames are arranged on the left side of the operation table, a gas cylinder is arranged on the upper part of the support frame, an adjusting mechanism is arranged on the right side of the operation table, a plurality of gas cylinders are arranged on the upper part of the adjusting mechanism, and an extrusion mechanism is arranged on the output end of the gas cylinder.

[0006] The extrusion mechanism comprises a liquid storage tank, a shunt pipe, a flexible hose, a clamping plate assembly and a delivery pump, one end of the shunt pipe penetrates the upper wall of the liquid storage tank and is installed on the output end of the delivery pump, the liquid storage tank is installed on the inner bottom wall of the liquid storage tank, one end of the shunt pipe away from the liquid storage tank penetrates the side wall of the support frame and is connected to the clamping plate assembly through the flexible hose, and hydraulic oil is arranged in the liquid storage tank.

[0007] Preferably, the clamping plate assembly comprises a clamping plate box, a plurality of sleeves, a plurality of pistons and a plurality of jacks, one side of the clamping plate box is installed on the output end of the gas cylinder, a plurality of sleeves are installed on the inner side wall of the clamping plate box, the pistons are slidably connected to the inside of the sleeves, one end of the jacks is fixedly connected to the middle part of the pistons, and the other end of the jacks penetrates the side wall of the clamping plate box.

[0008] Preferably, the jacks are wrapped with rubber.

[0009] Preferably, the adjustment mechanism includes a connecting box, multiple servo motors, multiple threaded rods, and multiple movable seats. The front and rear ends of the multiple threaded rods are rotatably connected to the inner walls of the front and rear sides of the connecting box. The multiple servo motors are installed at the front of the connecting box, and the output ends of the servo motors pass through the front side wall of the connecting box and are fixedly connected to the front of the threaded rods. The multiple movable seats are arranged on the outer periphery of the multiple threaded rods.

[0010] Preferably, an accordion cover is provided on the upper part of two adjacent movable seats, and the accordion cover is located on the upper part of the connecting box.

[0011] Preferably, the lower four corners of the operating table are provided with support legs.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The clamping plate assembly is pushed to the appropriate position by the cylinder, and then the delivery pump is driven so that the hydraulic oil inside the reservoir enters the clamping plate box through the diverter pipe and telescopic hose. The hydraulic oil then pushes the piston out, so that the ends of multiple ejector pins are in contact with the surface of the battery pack bracket, thereby enabling the clamping plate box to be stably clamped on the battery pack bracket and improving the welding quality.

[0014] 2. The number of movable seats and threaded rods are consistent and correspond one-to-one. Only one movable seat is threaded on the outer circumference of each threaded rod and it is slidably connected to the other movable seats. Therefore, driving the corresponding servo motor to run causes the threaded rod connected to it to rotate. Through the restriction of the other threaded rods, the movable seat threaded to the threaded rod moves back and forth, thereby adjusting the position of the movable seat. In turn, the position of the cylinder on each movable seat is adjusted, so that the cylinder on the movable seat is misaligned with the holes and other parts on the battery pack bracket, thereby better clamping and fixing the battery pack bracket. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a fixing fixture for assisting in the welding of a battery pack bracket according to the present invention.

[0016] Figure 2 This is a schematic diagram of the extrusion mechanism of a fixing fixture for assisting in the welding of a battery pack bracket according to this utility model.

[0017] Figure 3 This is a schematic diagram of the clamping plate assembly structure of a fixing fixture for assisting in the welding of a battery pack bracket according to this utility model.

[0018] Figure 4 This is a schematic diagram of the adjustment mechanism of a fixing fixture for assisting in the welding of a battery pack bracket according to this utility model.

[0019] In the figure: 1, operating table; 2, support frame; 3, air cylinder; 4, extrusion mechanism; 401, liquid storage tank; 402, shunt pipe; 403, flexible hose; 404, clamp assembly; 4041, clamp box; 4042, sleeve; 4043, piston; 4044, thimble; 5, adjusting mechanism; 501, connecting box; 502, servo motor; 503, threaded rod; 504, moving seat. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] As shown in Figures 1-4 A kind of fixed tooling for assisting battery pack bracket welding, including operating table 1, operating table 1 left side is provided with multiple support frames 2, support frame 2 upper portion is provided with air cylinder 3, operating table 1 right side is provided with adjusting mechanism 5, adjusting mechanism 5 upper portion is provided with multiple air cylinder 3, air cylinder 3 output end is provided with extrusion mechanism 4;

[0022] Extrusion mechanism 4 includes liquid storage tank 401, shunt pipe 402, flexible hose 403, clamp assembly 404 and delivery pump, shunt pipe 402 one end penetrates the upper wall shell of liquid storage tank 401 and is installed at the output end of delivery pump, liquid storage tank 401 is installed in the inner bottom wall of liquid storage tank 401, the end of shunt pipe 402 away from liquid storage tank 401 penetrates the side wall of support frame 2 and is connected with clamp assembly 404 by flexible hose 403, hydraulic oil is arranged in liquid storage tank 401, first, clamp assembly 404 is topped to appropriate position by air cylinder 3, then delivery pump is driven, so that hydraulic oil in liquid storage tank 401 enters the inside of clamp box 4041 by shunt pipe 402 and flexible hose 403, then hydraulic oil will eject piston 4043, so that multiple thimble 4044 end portions are attached to the surface of battery pack bracket, so that clamp box 4041 can be smoothly clamped in battery pack bracket, improve the quality of welding.

[0023] The clamp assembly 404 comprises a clamp box 4041, a plurality of sleeves 4042, a plurality of pistons 4043 and a plurality of jacks 4044, the clamp box 4041 is installed in the middle of one side of the output end of the cylinder 3, the plurality of sleeves 4042 are installed on the inner side wall of the clamp box 4041, the piston 4043 is slidably connected to the inside of the sleeve 4042, the jack 4044 is fixedly connected to the middle of the piston 4043, and the other end of the jack 4044 penetrates the side wall of the clamp box 4041. First, the clamp assembly 404 is pushed to the appropriate position by the cylinder 3, then the delivery pump is driven, so that the hydraulic oil in the liquid tank 401 enters the inside of the clamp box 4041 through the shunt pipe 402 and the flexible hose 403, then the hydraulic oil pushes the piston 4043 out, so that the end of the plurality of jacks 4044 is attached to the surface of the battery pack bracket, thereby enabling the clamp box 4041 to be clamped on the battery pack bracket stably, and improving the welding quality.

[0024] The jack 4044 is wrapped with rubber, which protects the end of the jack 4044 from scratching the surface of the battery pack bracket.

[0025] The adjusting mechanism 5 comprises a connecting box 501, a plurality of servo motors 502, a plurality of threaded rods 503 and a plurality of moving bases 504, the threaded rods 503 are rotatably connected to the inner walls of the front and rear sides of the connecting box 501, the servo motors 502 are installed on the front of the connecting box 501, the output end of the servo motor 502 penetrates the front side wall of the connecting box 501 and is fixedly connected to the front of the threaded rod 503, and the moving bases 504 are arranged on the outer periphery of the threaded rods 503. The number of moving bases 504 and threaded rods 503 is consistent and corresponds one-to-one, and only one moving base 504 is threaded on the outer periphery of one threaded rod 503 and is in sliding connection with the remaining moving bases 504. Therefore, the corresponding servo motor 502 is driven to rotate, the threaded rod 503 connected thereto rotates, the remaining threaded rods 503 are limited, the moving base 504 threaded with the threaded rod 503 moves forward and backward, thereby adjusting the position of the moving base 504, and further adjusting the position of the cylinder 3 corresponding to each moving base 504, so as to better clamp and fix the battery pack bracket.

[0026] The upper parts of the adjacent two moving bases 504 are provided with an organ case, which is arranged on the upper part of the connecting box 501. The upper part of the connecting box 501 is shielded by the organ case to prevent impurities such as welding slag from entering the inside of the connecting box 501.

[0027] The lower part of the operation table 1 is provided with support legs at four corners.

[0028] Working principle:

[0029] The number of the mobile seats 504 and the threaded rods 503 is consistent and one-to-one correspondence, the outer periphery of one threaded rod 503 is threaded with only one mobile seat 504 and is in sliding connection with the remaining mobile seats 504, therefore, driving the corresponding servo motor 502 to operate, so that the threaded rod 503 connected therewith rotates, through the restriction of the remaining threaded rods 503, so that the mobile seat 504 threaded with the threaded rod 503 moves forward and backward, thereby adjusting the position of the mobile seat 504, and further adjusting the position corresponding to the cylinder 3 on each mobile seat 504, so as to better clamp and fix the battery pack bracket, through the cylinder 3, the clamp plate assembly 404 is topped to the appropriate position, then the conveying pump is driven, so that the hydraulic oil in the liquid tank 401 enters the inside of the clamp plate box 4041 through the shunt pipe 402 and the flexible hose 403, then the hydraulic oil will push out the piston 4043, so that the end of the plurality of jacks 4044 is attached to the surface of the battery pack bracket, so that the clamp plate box 4041 can stably clamp the battery pack bracket, and the quality of welding is improved.

[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixing tool for assisting welding of a battery pack carrier, comprising an operation table (1), characterized in that: The operating table (1) is provided with a plurality of support frames (2) on the left side, a plurality of air cylinders (3) are arranged on the upper part of the support frame (2), an adjusting mechanism (5) is arranged on the right side of the operating table (1), a plurality of air cylinders (3) are arranged on the upper part of the adjusting mechanism (5), and an extrusion mechanism (4) is arranged at the output end of the air cylinder (3); The extrusion mechanism (4) comprises a liquid storage tank (401), a shunt pipe (402), a flexible hose (403), a clamp plate assembly (404) and a delivery pump, one end of the shunt pipe (402) penetrates through the upper wall of the liquid storage tank (401) and is installed at the output end of the delivery pump, the liquid storage tank (401) is installed on the inner bottom wall of the liquid storage tank (401), one end of the shunt pipe (402) away from the liquid storage tank (401) penetrates through the side wall of the support frame (2) and is connected with the clamp plate assembly (404) through the flexible hose (403), and the liquid storage tank (401) is internally provided with hydraulic oil.

2. The fixture of claim 1, wherein: The clamp plate assembly (404) comprises a clamp plate box (4041), a plurality of sleeves (4042), a plurality of pistons (4043) and a plurality of thimbles (4044), one side of the clamp plate box (4041) is installed at the output end of the air cylinder (3), a plurality of sleeves (4042) are installed on the inner side wall of the clamp plate box (4041), the piston (4043) is slidably connected to the inside of the sleeve (4042), one end of the thimble (4044) is fixedly connected to the middle part of the piston (4043), and the other end of the thimble (4044) penetrates through the side wall of the clamp plate box (4041).

3. The fixture of claim 2, wherein: The thimble (4044) is wrapped with rubber.

4. The fixture of claim 1, wherein: The adjusting mechanism (5) comprises a connecting box (501), a plurality of servo motors (502), a plurality of threaded rods (503) and a plurality of moving bases (504), the threaded rods (503) are rotatably connected to the inner walls on the front and rear sides of the connecting box (501), the servo motors (502) are installed on the front part of the connecting box (501), the output end of the servo motor (502) penetrates through the front side wall of the connecting box (501) and is fixedly connected to the front part of the threaded rod (503), and the moving bases (504) are arranged on the outer periphery of the threaded rods (503).

5. The fixture of claim 4, wherein: The upper parts of adjacent two moving bases (504) are provided with an organ case, and the organ case is arranged on the upper part of the connecting box (501).

6. The fixture of claim 1, wherein: The lower part of the operating table (1) is provided with support legs at four corners.

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