一种电芯包胶后焊接工装夹具和电芯包胶后焊接装置

Abstract

本实用新型提供一种电芯包胶后焊接工装夹具和电芯包胶后焊接装置，电芯包胶后焊接工装夹具包括：从上到下依次布置的真空吸附组件、夹爪组件、压胶组件和电芯顶升组件；真空吸附组件用于吸附集流盘；夹爪组件用于夹持电芯；压胶组件包括托杯固定座、连杆模组、压辊和拉紧弹性件，托杯固定座上形成有用于定位电芯托杯的定位空间。相对于现有技术，本实用新型的电芯包胶后焊接装置能够准确定位和对正电芯，在焊接前完成胶带的局部压胶，能够满足对应的生产步骤要求，压辊配有弹性的上下浮动以减少与胶带表面产生的摩擦，从而防止电芯受力发生位移，真空吸附组件、夹爪组件和电芯顶升组件都设计有弹性结构，从而利于防止对电芯的强硬压迫。

Claims

1. An electric cell post-potting welding fixture clamp, characterized in that, include: The vacuum adsorption assembly, gripper assembly, adhesive pressing assembly, and cell lifting assembly are arranged sequentially from top to bottom. The vacuum adsorption assembly is used to adsorb the collector plate, and the vacuum adsorption assembly is provided with a plurality of adsorption holes and a first lifting drive mating part. The gripper assembly is used to grip the battery cell, and the gripper assembly is provided with a gripping drive mating component; The pressing assembly includes a cup holder, a connecting rod module, a pressure roller, and a tensioning elastic element. The cup holder has a positioning space for positioning the battery cell cup. The connecting rod module is rotatably mounted on the cup holder, and the connecting rod module is provided with a pressure-adhesive driving engagement part. The connecting rod module can rotate relative to the cup holder to the initial position and the pressure-adhesive position. The pressure roller is rotatably mounted on the connecting rod module. When the connecting rod module rotates relative to the cup holder from the initial position to the pressing position, the pressure roller can move from one side of the positioning space to the other side of the positioning space. When the cup holder is in the initial position, a clearance space is formed between the pressure roller and the cup holder to avoid the lifting and lowering of the battery cell. The tensioning elastic element is connected to the connecting rod module. When the connecting rod module moves to the pressing position, the tensioning elastic element undergoes elastic deformation. The cell lifting assembly is provided with a second lifting drive mating part.

2. The cell post-gluing welding fixture of claim 1, wherein: The vacuum adsorption assembly includes a mounting base, an adsorption seat, and a lifting buffer elastic element. The adsorption seat is movably mounted on the mounting base. The lifting buffer elastic element is connected to both the mounting base and the adsorption seat. When the adsorption seat rises, the adsorption seat stretches or compresses the lifting buffer elastic element to cause it to undergo elastic deformation. The adsorption hole is located at the bottom of the adsorption seat, and the first lifting drive mating part is located on the mounting base.

3. The cell post-gluing welding fixture of claim 2, wherein: The bottom of the adsorption base is also provided with a protective gas outlet, which is located at the bottom of the adsorption base.

4. The cell post-gluing welding fixture of any one of claims 1 to 3, wherein: The gripper assembly includes a base, two gripping members, and a gripping elastic member. The gripping members are movably disposed on the base, and the two gripping members clamp and cooperate with each other. The gripping elastic member is connected to the two gripping members respectively. When the two gripping members move away from each other, the two gripping members stretch the gripping elastic member to cause the gripping elastic member to undergo elastic deformation. The gripping drive engagement member is disposed on the base.

5. The cell post-gluing welding fixture of claim 4, wherein: The clamping member includes a clamping seat, a clamping finger, and a lifting floating elastic element. The clamping seat is movably disposed on the base, and the clamping finger is movably disposed on the clamping seat. The lifting floating elastic element is connected to the clamping seat and the clamping finger respectively. When the clamping finger rises, the clamping finger squeezes or stretches the lifting floating elastic element to cause the lifting floating elastic element to undergo elastic deformation. The clamping elastic element is connected to two clamping seats respectively.

6. The cell post-gluing welding fixture of claim 4, wherein: The clamping drive matching piece comprises a swing rod rotating shaft, a clamping drive matching part and a drive swing rod, the swing rod rotating shaft is rotationally arranged on the base, the clamping piece is rotationally matched with the swing rod rotating shaft, the clamping drive matching part is arranged on one side of the base in a lifting manner, two ends of the drive swing rod are respectively rotationally matched with the swing rod rotating shaft and the clamping drive matching part, the clamping drive matching part drives the swing rod rotating shaft to rotate through the drive swing rod when being lifted, and the swing rod rotating shaft drives the two clamping pieces to approach and move away from each other when rotating.

7. The cell post-gluing welding fixture of any one of claims 1 to 3, wherein: The cell jacking assembly comprises a jacking base, a jacking elastic piece and a top rod, the top rod is arranged on the jacking base in a lifting manner, the jacking elastic piece is connected with the top rod and the jacking base respectively, and the second lifting drive matching part is arranged on one side of the jacking base.

8. The cell post-gluing welding fixture of claim 7, wherein: The jacking base is provided with a pressure sensor and an adjusting piece, the adjusting piece is arranged on the jacking base in a lifting manner, the pressure sensor is arranged on the adjusting piece, and the jacking elastic piece is connected with the top rod and the pressure sensor respectively.

9. The cell post-gluing welding fixture of any one of claims 1 to 3, wherein: The connecting rod module is provided with a movable frame and a glue pressing buffer elastic piece, the movable frame is movably connected with the connecting rod module and can move in the direction close to and away from the positioning space, the glue pressing buffer elastic piece is arranged between the movable frame and the glue pressing buffer elastic piece, and the glue pressing buffer elastic piece is elastically deformed when the movable frame moves in the direction away from the positioning space. The pressure roller is rotationally arranged on the movable frame.

10. A welding device for battery cells after coating, characterized in that, The application relates to a cell post-gluing welding tool clamp. The application relates to a cell post-gluing welding tool clamp.

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