CN206382736U - A kind of battery modules welder using full-automatic clamping - Google Patents

Abstract

The utility model discloses a battery module welding device adopting full-automatic clamping, which comprises a welding platform, on which a thrust cylinder, a battery core support plate and a pressing device are arranged in sequence in the horizontal direction; the thrust cylinder is fixed on the installation On the frame, the thrust cylinder rotates clockwise 90° relative to the mounting frame; one end of the cell support plate is the reference end of the cell, and the other end is the floating end of the cell, which also includes the servo motor I, the floating end of the cell and the servo motor I The ball screw rods are connected with each other, and there are linear guide rails on both sides of the cell support plate, and the floating end of the cell slides back and forth along the linear guide rail relative to the cell support plate; the pressing device includes a servo motor II and a pressing part that are connected to each other. , There is also a reducer between the output end of the servo motor II and the pressing part; there is also a side plate adsorption device on the welding platform, the side plate adsorption device is symmetrically arranged on both sides of the cell support plate, and the front end of the side plate adsorption device is set A suction cup is arranged, and a push cylinder is arranged behind the suction cup.

Description

A battery module welding device adopting automatic clamping

technical field

The utility model relates to a battery module welding device adopting automatic clamping.

Background technique

At present, battery modules are widely used, and there are many types of battery modules. When compressing the battery cells of a battery module, if each type of battery module (six, nine, twelve, etc.) A separate set of clamping tools not only increases the economic cost, but also consumes a lot of manpower and material resources; in addition, the problem of inaccurate welding alignment is prone to occur when welding the battery cell and the side plate.

Utility model content

Purpose of the utility model: The technical problem to be solved by this utility model is to provide a battery module welding device that adopts automatic clamping. It is also conducive to the loading and unloading of the welding robot; in addition, the side plate of the battery module is adsorbed by a suction cup, and after the battery cell is pressed, the push cylinder is used to push the side plate out and push it against the battery cell to ensure positioning accuracy and improve welding quality.

Utility model content: in order to solve the above technical problems, the technical means adopted in the utility model are:

A battery module welding device that adopts automatic clamping, including a steel support frame, a welding platform is arranged on the steel support frame, and a thrust cylinder, a battery cell support plate and a pressing plate are arranged horizontally on the welding platform in sequence. device; the thrust cylinder is located on the mounting frame fixed on the welding platform, and the thrust cylinder rotates clockwise 90° relative to the mounting frame; one end of the battery support plate is the battery reference end, and the other end is the battery The floating end of the cell also includes a servo motor 1 that controls the sliding of the floating end of the cell. There are linear guide rails on both sides of the core support plate, and the floating end of the cell slides back and forth relative to the cell support plate along the linear guide rail; The part is composed of a rocking arm and a pressing part, and a reducer is provided between the output end of the servo motor II and the rocking arm, and the pressing part and the cell support plate are arranged correspondingly; There is a side plate adsorption device, which is symmetrically arranged on both sides of the cell support plate, a suction cup is provided at the front end of the side plate adsorption device, and a push cylinder is provided behind the suction cup.

Wherein, the side plate adsorption device includes a side plate reference end and a side plate floating end, the front ends of the side plate reference end and the side plate floating end are provided with suction cups, behind the suction cups are provided a push cylinder, and the side plate reference ends are fixed on On the welding platform, the floating end of the side plate also includes a servo motor III to control its movement, the floating end of the side plate is connected with the ball screw of the servo motor III, and the floating end of the side plate is arranged along the welding platform The linear guide rail on the top moves horizontally relative to the welding platform forward and backward.

Wherein, four shafts parallel to each other and extending in the horizontal direction are arranged inside the cell support plate, and a plurality of sliders arranged side by side and capable of sliding horizontally along the shafts are sheathed on the outside of the shafts. are connected by springs.

Wherein, the contact portion between the pressing member and the cell support plate is a U-shaped groove, and the cavity enclosed by the pressing member and the cell support plate is used for placing the cell to be compressed.

Compared with the prior art, the beneficial effects of the technical solution of the utility model are as follows:

The pressing device of the welding device of the utility model adopts a swing arm structure, which not only helps to save space, but also facilitates the loading and unloading of welding robots; in addition, the side plate of the battery module is adsorbed by a suction cup, and the battery is pressed tightly. Finally, use the push cylinder to push the side plate out on the battery core to ensure the positioning accuracy and improve the welding quality; and the reference block and the pressing part in the device are made of copper material, which is conducive to heat dissipation and conduction during the welding process; finally, the battery mold The compression of the battery pack uses a servo press instead of the original manual tightening, which can ensure the accuracy of the pressing force and displacement of the battery module.

Description of drawings

Fig. 1 is the structural representation of the battery module welding device of the present invention;

Fig. 2 is a top view of the battery module welding device of the present invention;

Fig. 3 is a partially enlarged view of the battery module welding device of the present invention;

Fig. 4 is a structural schematic diagram of the cell support plate in the battery module welding device of the present invention.

detailed description

According to the following examples, the utility model can be better understood. However, those skilled in the art can easily understand that the content described in the embodiments is only for illustrating the utility model, and should not and will not limit the utility model described in the claims.

The structure of the utility model is shown in Figures 1 to 4. A battery module welding device that adopts automatic clamping includes a steel support frame 1. A welding platform 111 is arranged on the steel support frame 1. There is a thrust cylinder 13, a cell support plate 3 and a pressing device 9; the thrust cylinder 13 is located on the mounting frame 131 fixed on the welding platform 111, and the thrust cylinder 13 rotates 90° clockwise relative to the mounting frame 131; One end of the core support plate 3 is the cell reference end 2, the other end is the cell floating end 6, and also includes a servo motor I8 that controls the sliding of the cell floating end 6, the cell reference end 2 is fixed on the welding platform 111, and the cell floats The end 6 is connected with the ball screw of the servo motor I8, the servo motor I8 rotates to drive the ball screw to rotate, and the floating end 6 of the battery cell is fixedly connected to the nut set on the ball screw, so that the floating end 6 of the battery cell For forward or backward movement, linear guide rails 10 are provided on both sides of the cell support plate 3, and the floating end of the cell 6 slides back and forth along the linear guide rails 10 relative to the cell support plate 3; the pressing device includes servo motors that are connected to each other II93 and the pressing part 9, the pressing part 9 is composed of a rocking arm 92 and a pressing part 91, a reducer 95 is also arranged between the output end of the servo motor II93 and the rocking arm 92, and the pressing part 91 and the cell support plate 3 are arranged corresponding to each other, the contact part between the pressing part 91 and the cell support plate 3 is a U-shaped groove, and the cavity enclosed by the pressing part 91 and the cell support plate 3 is used to place the cell to be compressed; the welding platform 111 There is also a side plate adsorption device 110 on the top, and the side plate adsorption device 110 is symmetrically arranged on both sides of the cell support plate 3. The front end of the side plate adsorption device 110 is provided with a suction cup 112, and a push cylinder 113 is provided behind the suction cup 112.

The side plate adsorption device 110 comprises a side plate reference end 4 and a side plate floating end 5, the front ends of the side plate reference end 4 and the side plate floating end 5 are provided with a suction cup 112, the side plate reference end 4 is fixed on the welding platform 111, and the side plate The floating end 5 also includes a servo motor III7 to control its movement. The side plate floating end 5 is connected with the ball screw of the servo motor III7. The rotation of the servo motor III7 drives the ball screw to rotate. The side plate floating end 5 is connected to the The nut outside the ball screw is fixedly connected, so that the side floating end 5 and the ball screw are connected with each other, and the side plate floating end 5 moves forward and backward horizontally relative to the welding platform 111 along the linear guide rail arranged on the welding platform 111 .

The utility model adopts the fully automatic clamping battery module welding device. The cell support plate 3 is provided with four shafts 31 parallel to each other and extending along the horizontal direction. The sliders 32 that slide horizontally are connected by springs 33 between adjacent sliders 32 . The cell support plate 3 is a retractable structure, which can move along with the cell in the pressing direction of the press when the cell is compressed, avoiding damage to the battery module during sliding friction.

Place multiple cells to be compressed on the cell support plate 3, one end of the cell is positioned by the cell reference end 2, the other end moves the floating reference end 6 according to the length required by the cell, and the side plate is placed on the side plate adsorption device 110 front end, one end of the side plate is positioned by the reference end 4 of the side plate, the other end of the side plate moves the floating end 5 of the side plate according to its length, and the servo motor II93 is rotated, the rocking arm 92 drives the pressing part 91 to rotate, and the pressing part 91 Press the U-shaped groove on the multiple cells to be compressed, turn the thrust cylinder 13, the thrust cylinder 13 rotates 90° clockwise, the compression rod ejected from the thrust cylinder 13 presses on the top of the compression piece 91, and start the servo motor I8, the rotation of servo motor I8 drives the floating reference end 6 to move forward, so as to realize the compression of multiple cells. After the cells are compressed, use the push cylinder 113 to push the side plate out on the cell, and finally connect the side plate to the cell. The aluminum plate on the side of the cell can be welded.

Claims (4)

1. A battery module welding device with fully automatic clamping, characterized in that: it includes a steel support frame, a welding platform is arranged on the steel support frame, and a thrust cylinder, electric Core support plate and pressing device; the thrust cylinder is located on the mounting frame fixed on the welding platform, and the thrust cylinder rotates clockwise 90° relative to the mounting frame; one end of the cell support plate is the cell reference end, the other end is the floating end of the electric core, and also includes a servo motor 1 that controls the sliding of the floating end of the electric core. Cooperate with the connection, the two sides of the cell support plate are provided with linear guide rails, and the floating end of the cell slides back and forth relative to the cell support plate along the linear guide rails; the pressing device includes a servo motor II and a pressing The pressing part is composed of a rocking arm and a pressing part, and a reducer is also provided between the output end of the servo motor II and the rocking arm, and the pressing part and the cell support plate are arranged correspondingly; The welding platform is also equipped with a side plate adsorption device, which is symmetrically arranged on both sides of the cell support plate, with a suction cup at the front end of the side plate adsorption device, and a push cylinder behind the suction cup. 2. The battery module welding device adopting automatic clamping according to claim 1, characterized in that: the side plate adsorption device includes a side plate reference end and a side plate floating end, and the side plate reference end and side plate A suction cup is provided at the front end of the floating end of the plate, and a push cylinder is provided behind the suction cup. The reference end of the side plate is fixed on the welding platform, and the floating end of the side plate also includes a servo motor III for controlling its movement. The ball screws of the servo motor III are connected with each other, and the floating end of the side plate moves forward and backward horizontally relative to the welding platform along the linear guide rail arranged on the welding platform. 3. The battery module welding device adopting automatic clamping according to claim 1, characterized in that: four shafts parallel to each other and extending in the horizontal direction are arranged inside the cell support plate, and the outside of the shafts A plurality of sliding blocks arranged side by side and capable of sliding horizontally along the axis are sheathed, and adjacent sliding blocks are connected by springs. 4. The battery module welding device adopting automatic clamping according to claim 1, characterized in that: the contact part between the pressing part and the cell support plate is a U-shaped groove, and the pressing part and the The cavity enclosed by the cell support plate is used to place the cell to be compressed.