CN216177738U

CN216177738U - Electric core module clamping device for lithium battery assembly

Info

Publication number: CN216177738U
Application number: CN202122734745.9U
Authority: CN
Inventors: 王征; 李晓飞; 马志刚; 耿安
Original assignee: Anhui Heding Electromechanical Equipment Co ltd
Current assignee: Anhui Heding Electromechanical Equipment Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-05
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to the technical field of auxiliary equipment for lithium battery production and assembly, in particular to a cell module clamping device for lithium battery assembly, which comprises a movable platform, a pole piece support and an electromagnetic power mechanism, wherein the movable platform can freely move on a horizontal plane through a translation mechanism, the pole piece support is provided with a pole piece placing groove corresponding to a pole piece welding position, the electromagnetic power mechanism is arranged between a telescopic cylinder and the movable platform and used for driving the telescopic cylinder to rotate on the horizontal plane, a plurality of branch supporting rods are fixedly connected to two sides of a main supporting rod along the length direction of the main supporting rod, a pneumatic suction nozzle is fixedly connected to the bottom end of each branch supporting rod, the pneumatic suction nozzle is connected with a suction pump, and the main supporting rod is located between two electrode ends of the same cell and the pneumatic suction nozzle is located between the electrode ends of two adjacent cells during welding. The welding efficiency of the battery core pole piece can be accelerated through the device, and the labor intensity of workers is reduced.

Description

Electric core module clamping device for lithium battery assembly

Technical Field

The utility model relates to the technical field of auxiliary equipment for lithium battery production and assembly, in particular to a battery module clamping device for lithium battery assembly.

Background

Referring to fig. 1, in the production process of a lithium battery, in order to enable a lithium battery pack to reach different voltages or currents, electrode ends of a plurality of battery cores need to be connected in series, when the battery cores are electrically connected, a conductive polar plate is generally welded at the electrode end of the battery core through a welding machine, the polar plate is generally manually pressed at the electrode end of the battery core in the existing welding process, and then the polar plate is fixed at the electrode end through a laser welding machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect of low welding efficiency of a polar plate of a battery cell in the prior art, and provides a battery cell module clamping device for lithium battery assembly.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a lithium cell assembly is with electric core module clamping device, includes movable platform, movable platform passes through translation mechanism and realizes the free movement at the horizontal plane, still includes the pole piece support, the pole piece standing groove corresponding with pole piece welding position is seted up to the pole piece support, the last rigid coupling of movable platform has a supporting seat, it is connected with the telescoping cylinder of vertical setting to rotate on the supporting seat, be equipped with electromagnetic power unit between telescoping cylinder and the movable platform, electromagnetic power unit is used for driving the telescoping cylinder rotates at the horizontal plane, the flexible end rigid coupling of telescoping cylinder has the main tributary vaulting pole of horizontal setting, main tributary vaulting pole both sides have a plurality of branch poles along its length direction rigid coupling, every branch pole bottom all rigid coupling has pneumatic suction nozzle, pneumatic suction nozzle is connected with the aspiration pump, during the welding the main tributary vaulting pole is located between two electrode terminals of same electric core, The pneumatic suction nozzle is positioned between the electrode ends of two adjacent electric cores.

Translation mechanism is including the first ball screw subassembly, the second ball screw subassembly of perpendicular setting, first ball screw subassembly, second ball screw subassembly form the rectangle region, but movable platform bottom sliding connection has two slide bars that are the cross setting, one the slide bar is fixed with the screw of first ball screw subassembly, another the slide bar is fixed with the screw of second ball screw subassembly.

And the movable platform is provided with a battery cell placing groove.

The electromagnetic power mechanism comprises a first electromagnet, a second electromagnet and ferromagnetic metal, the ferromagnetic metal is fixedly connected to the outer wall of the cylinder barrel of the telescopic cylinder, and the first electromagnet and the second electromagnet are located on two sides of the ferromagnetic metal.

A first telescopic rod is arranged on the first electromagnet, and a second telescopic rod is arranged on the second electromagnet; the first telescopic rod comprises a first piston rod and a first outer cylinder which are hermetically inserted together, a first air cavity is formed between the first piston rod and the first outer cylinder, the first outer cylinder is fixedly connected to one side of the first electromagnet far away from the ferromagnetic metal, and the first piston rod penetrates through the first electromagnet; the second telescopic rod comprises a second outer cylinder and a second piston rod which are hermetically inserted together, a second air cavity is formed between the second outer cylinder and the second piston rod, the second outer cylinder is fixedly connected to one side, away from the ferromagnetic metal, of the second electromagnet, the second piston rod penetrates through the second electromagnet, the first air cavity is communicated with the second air cavity through a connecting pipe, and the telescopic state of the first piston rod is opposite to the telescopic state of the second piston rod.

The utility model provides a battery cell module clamping device for lithium battery assembly, which has the beneficial effects that: the welding efficiency of the battery core pole piece can be accelerated through the device, and the labor intensity of workers is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a battery cell module according to the present invention after welding;

FIG. 2 is a schematic view of a clamping device according to the present invention;

FIG. 3 is a schematic top view of the electrode holder of the present invention;

FIG. 4 is a schematic view of the connection structure of the electromagnetic actuating mechanism according to the present invention;

fig. 5 is a schematic structural diagram of the translation mechanism of the present invention.

In the figure: the device comprises a movable platform 1, a battery cell placing groove 2, a branch rod 3, a pneumatic suction nozzle 4, a main support rod 5, a telescopic cylinder 6, a first electromagnet 7, a first telescopic rod 8, ferromagnetic metal 9, a support seat 10, a second electromagnet 11, a second telescopic rod 12, a pole piece placing groove 13, a pole piece support 14, a first piston rod 15, a first outer cylinder 16, a first air cavity 17, a connecting pipe 18, a second air cavity 19, a second outer cylinder 20, a second piston rod 21, a first ball screw assembly 22 and a second ball screw assembly 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a core module clamping device for lithium battery assembly, comprising a movable platform 1, a core placing groove 2 is provided on the movable platform 1 for facilitating the accurate placement of a core into a required station, the movable platform 1 can move freely on a horizontal plane through a translation mechanism, a pole piece support 14 is also provided, the pole piece support 14 is provided with a pole piece placing groove 13 corresponding to the welding position of a pole piece, a large number of pole pieces can be stacked in the groove, each row of pole pieces is moved upwards one station for next absorption through a pushing mechanism, a support seat 10 is fixedly connected on the movable platform 1, a vertically arranged telescopic cylinder 6 is rotatably connected on the support seat 10, an electromagnetic power mechanism is provided between the telescopic cylinder 6 and the movable platform 1, the electromagnetic power mechanism is used for driving the telescopic cylinder 6 to rotate on the horizontal plane, a horizontally arranged main support rod 5 is fixedly connected at the telescopic end of the telescopic cylinder 6, the two sides of the main support rod 5 are fixedly connected with a plurality of branch rods 3 along the length direction of the main support rod, the bottom end of each branch rod 3 is fixedly connected with a pneumatic suction nozzle 4, the pneumatic suction nozzles 4 are connected with a suction pump, the main support rod 5 is positioned between two electrode ends of the same electric core during welding, and the pneumatic suction nozzles 4 are positioned between the electrode ends of two adjacent electric cores, so that the pole pieces can be pressed at the electrode ends without influencing welding.

Arrange the electric core module on movable platform 1, put conductive pole piece in pole piece standing groove 13 of pole piece support 14, during the welding, drive telescoping cylinder 6 through electromagnetic power mechanism and rotate, make pneumatic suction nozzle 4 remove the station of pole piece support 14, then through the pole piece suction of pneumatic suction nozzle 4 in with pole piece standing groove 13, then make telescoping cylinder 6 rotate to electric core module top and press the pole piece at the electrode end of electric core, then weld through laser welding equipment, adjust the welding station through translation mechanism, make every pole piece can both obtain effectual welding, the welding of the electric core module of assembly line formula is accomplished to the above step of repetition. Can accelerate the welding efficiency of electric core pole piece through this device, in order to further reduce workman intensity of labour, also can arrange electric core module on portable platform through the manipulator.

The translation mechanism comprises a first ball screw assembly 22 and a second ball screw assembly 23 which are vertically arranged, the first ball screw assembly 22 and the second ball screw assembly 23 form a rectangular area, two sliding rods which are arranged in a cross shape are connected to the bottom of the movable platform 1 in a sliding mode, one sliding rod is fixed with a nut of the first ball screw assembly 22, the other sliding rod is fixed with a nut of the second ball screw assembly 23, and the movable platform 1 can be adjusted at any position of a horizontal plane through the two groups of ball screw assemblies.

The electromagnetic power mechanism can adopt the following structure, the electromagnetic power mechanism comprises a first electromagnet 7, a second electromagnet 11 and ferromagnetic metal 9, the ferromagnetic metal 9 is fixedly connected with the outer wall of the cylinder barrel of the telescopic cylinder 6, and the first electromagnet 7 and the second electromagnet 11 are positioned at two sides of the ferromagnetic metal 9; a first telescopic rod 8 is arranged on the first electromagnet 7, and a second telescopic rod 12 is arranged on the second electromagnet 11; the first telescopic rod 8 comprises a first piston rod 15 and a first outer cylinder 16 which are hermetically inserted together, a first air cavity 17 is formed between the first piston rod 15 and the first outer cylinder 16, the first outer cylinder 16 is fixedly connected to one side of the first electromagnet 7 far away from the ferromagnetic metal 9, and the first piston rod 15 penetrates through the first electromagnet 7; the second telescopic rod 12 comprises a second outer cylinder 20 and a second piston rod 21 which are hermetically inserted together, a second air cavity 19 is formed between the second outer cylinder 20 and the second piston rod 21, the second outer cylinder 20 is fixedly connected to one side, away from the ferromagnetic metal 9, of the second electromagnet 11, the second piston rod 21 penetrates through the second electromagnet 11, the first air cavity 17 is communicated with the second air cavity 19 through a connecting pipe 18, and the telescopic state of the first piston rod 15 is opposite to the telescopic state of the second piston rod 21.

When first electro-magnet 7 circular telegram produced the electromagnetic force, in the time of second electro-magnet 11 outage, ferromagnetic metal 9 can adsorb on first electro-magnet 7, in the time of the adsorption, first piston rod 15 can contract, gas gets into second air cavity 19 gradually and makes second piston rod 21 stretch out, when needing telescoping cylinder 6 reverse rotation, first electro-magnet 7 outage, second electro-magnet 11 circular telegram makes ferromagnetic metal 9 adsorb on second electro-magnet 11, can guarantee the rotatory accurate angle of telescoping cylinder 6 like this, can play fine cushioning effect again, reduce the inertia of telescoping cylinder motion, the noise that produces when the electromagnetism adsorbs the striking can be reduced simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solutions, concepts and designs obtained by equivalent substitutions or changes of the technical solutions and the utility model concepts of the present invention by those skilled in the art within the technical scope of the present invention shall be covered by the scope of the present invention.

Claims

1. A core module clamping device for lithium battery assembly comprises a movable platform (1), wherein the movable platform (1) can freely move on the horizontal plane through a translation mechanism, and the core module clamping device is characterized by further comprising a pole piece support (14), a pole piece placing groove (13) corresponding to the welding position of a pole piece is formed in the pole piece support (14), a support seat (10) is fixedly connected onto the movable platform (1), a vertically-arranged telescopic cylinder (6) is rotatably connected onto the support seat (10), an electromagnetic power mechanism is arranged between the telescopic cylinder (6) and the movable platform (1) and is used for driving the telescopic cylinder (6) to rotate on the horizontal plane, a horizontally-arranged main support rod (5) is fixedly connected onto the telescopic end of the telescopic cylinder (6), and a plurality of branch rods (3) are fixedly connected to two sides of the main support rod (5) along the length direction, every divide the equal rigid coupling in branch (3) bottom to have pneumatic suction nozzle (4), pneumatic suction nozzle (4) are connected with the aspirator pump, during the welding main tributary vaulting pole (5) are located between two electrode tips of same electric core, pneumatic suction nozzle (4) are located between the electrode tip of two adjacent electric cores.

2. The battery module clamping device for assembling the lithium battery, according to claim 1, wherein the translation mechanism comprises a first ball screw assembly (22) and a second ball screw assembly (23) which are vertically arranged, the first ball screw assembly (22) and the second ball screw assembly (23) form a rectangular area, two sliding rods which are arranged in a cross shape are slidably connected to the bottom of the movable platform (1), one sliding rod is fixed with a nut of the first ball screw assembly (22), and the other sliding rod is fixed with a nut of the second ball screw assembly (23).

3. The battery module clamping device for assembling the lithium battery as claimed in claim 1, wherein the movable platform (1) is provided with a battery cell placing groove (2).

4. The electric core module clamping device for assembling the lithium battery as claimed in claim 1, wherein the electromagnetic power mechanism comprises a first electromagnet (7), a second electromagnet (11) and a ferromagnetic metal (9), the ferromagnetic metal (9) is fixedly connected to the outer wall of the cylinder barrel of the telescopic cylinder (6), and the first electromagnet (7) and the second electromagnet (11) are located on two sides of the ferromagnetic metal (9).

5. The battery module clamping device for assembling the lithium battery as claimed in claim 4, wherein the first electromagnet (7) is provided with a first telescopic rod (8), and the second electromagnet (11) is provided with a second telescopic rod (12); the first telescopic rod (8) comprises a first piston rod (15) and a first outer cylinder (16) which are hermetically inserted together, a first air cavity (17) is formed between the first piston rod (15) and the first outer cylinder (16), the first outer cylinder (16) is fixedly connected to one side, away from the ferromagnetic metal (9), of the first electromagnet (7), and the first piston rod (15) penetrates through the first electromagnet (7); the second telescopic rod (12) comprises a second outer cylinder (20) and a second piston rod (21) which are hermetically inserted together, a second air cavity (19) is formed between the second outer cylinder (20) and the second piston rod (21), the second outer cylinder (20) is fixedly connected to one side, away from the ferromagnetic metal (9), of the second electromagnet (11), the second piston rod (21) penetrates through the second electromagnet (11), the first air cavity (17) is communicated with the second air cavity (19) through a connecting pipe (18), and the telescopic state of the first piston rod (15) is opposite to that of the second piston rod (21).