CN223476581U

CN223476581U - Lithium battery laser welding equipment

Info

Publication number: CN223476581U
Application number: CN202422507398.XU
Authority: CN
Inventors: 娄中宗; 张洋; 丁杰; 杨燕洁
Original assignee: Xinde Shenzhen Laser Equipment Co ltd
Current assignee: Xinde Shenzhen Laser Equipment Co ltd
Priority date: 2024-10-17
Filing date: 2024-10-17
Publication date: 2025-10-28
Anticipated expiration: 2034-10-17

Abstract

The utility model provides lithium battery laser welding equipment, which relates to the field of lithium battery production technology. The lithium battery laser welding equipment includes a welding table, wherein a lithium battery pack is provided at the upper end of the welding table, an XYZ three-axis module is fixed at the upper end of the welding table, and a laser welding instrument is provided at the output end of the XYZ three-axis module; a slide groove is provided in the middle of the welding table, and a connecting structure is provided in the middle of the welding table, and two limit frames are provided on the connecting structure; the connecting structure can move in the opposite direction of the slide groove with the two limit frames to flexibly clamp the lithium battery pack placed on the welding table. The lithium battery laser welding equipment can achieve a flexible limit effect by manually turning the handle to perform a rotation operation, thereby improving the protectiveness of the welding equipment during use. The rotation operation is performed by manually turning the handle to achieve a stable suppression effect, thereby improving the use effect of the welding equipment.

Description

Lithium battery laser welding equipment

Technical Field

The utility model relates to lithium battery laser welding equipment, and belongs to the technical field of lithium battery production.

Background

The lithium battery has the characteristics of high energy, low self-discharge rate, good high-low temperature performance, long charge-discharge life, no memory effect and the like, is widely applied to products such as mobile phones, notebook computers, digital cameras, electric vehicles, electric tools, new energy automobiles and the like at present, and is required to be welded with a tab and a cover plate above a metal ejector rod of the lithium battery in the production process of the lithium battery, and is generally operated on laser welding equipment.

Although current welding equipment can carry out daily laser welding operation to the lithium cell, but in the in-service use, just place the lithium cell group on the welding bench simply, then rely on the anchor clamps to place at the lithium cell group and carry out the rigidity spacing, the rigid connection of anchor clamps makes the lithium cell group by the extrusion lead to damaging, and then make welding equipment's use protectiveness not enough, and the heat and the welding power that produce in welding process make the connection piece of lithium cell produce the offset in position, lead to the welding offset, thereby influence welded quality, and then make welding equipment's result of use not enough.

Disclosure of utility model

(One) solving the technical problems

The utility model provides lithium battery laser welding equipment, which aims to solve the problems that the use protection of the welding equipment is insufficient and the use effect of the welding equipment is not good enough in the prior art.

(II) technical scheme

The lithium battery laser welding equipment comprises a welding table, wherein a lithium battery pack is arranged at the upper end of the welding table, an XYZ three-axis module is fixed at the upper end of the welding table, and a laser welding instrument is arranged at the output end of the XYZ three-axis module;

The connecting structure can carry the two limiting frames to move reversely in the length direction of the sliding chute so as to flexibly clamp the lithium battery pack placed on the welding table.

Preferably, the connection structure includes the reciprocating screw, reciprocating screw both ends all are fixed with the handle, the equal threaded connection of reciprocating screw both sides surface has the thread bush, two thread bush upper end is all through bolt demountable installation has the locating part, two the circular slot has all been seted up to the locating part both sides, every circular slot inner wall all sliding connection has the slide, four the slide all is fixed with the spring from the end, every the slide middle part all is fixed with the connecting rod, four the close end of connecting rod is fixed with two rubber pads.

Preferably, the outer surface of the reciprocating screw rod is rotationally connected to the middle part of the welding table, two middle threads of the threaded sleeve are connected to the outer surfaces of two sides of the reciprocating screw rod, two outer surfaces of the threaded sleeve are slidably connected to the inner walls of two sides of the sliding groove, two limiting frames are oppositely arranged, each limiting frame is in a U-shaped cross section, and the outer surface of the lithium battery pack is in contact with the inner walls of the two limiting frames.

Preferably, the two outer surfaces of the rubber pads are slidably connected to the inner walls of the two limiting frames, two ends of the adjacent two connecting rods are fixed to two sides of the separated end of each rubber pad, the two rubber pads are oppositely arranged, the outer surfaces of the connecting rods are slidably connected to one side of each limiting frame, one end of each spring is fixed to one end of each sliding disc, and the other end of each spring is fixed to the inner wall of each circular groove.

Preferably, two the rubber pad is all fixed with the dead lever from end middle part, two the dead lever is all rotated from the end and is connected with the link mutually, two the link middle part has all been seted up and has been run through the groove, two run through the equal sliding connection of inslot wall and have the support frame, two the link is close the end all to be fixed with the suppression frame.

Preferably, the two outer surfaces of the fixing rods are slidably connected to the middle parts of the two limiting frames, the two separating ends of the connecting frames are rotatably connected to the separating ends of the two fixing rods, and the cross section of each fixing rod is T-shaped.

Preferably, the two support frame surface sliding connection is at two through groove inner walls, two the support frame lower extreme is fixed at two spacing upper end middle parts, two the suppression frame is fixed at two link near ends from the end mutually, two the suppression frame all is L type setting, two the suppression frame is relative distribution.

The utility model provides lithium battery laser welding equipment, which has the following beneficial effects:

1. This lithium cell laser welding equipment rotates the handle through the manpower and carries out rotatory operation for handle, reciprocating lead screw, thread bush, locating rack, circular slot, slide, spring, connecting rod, rubber pad mutually support the operation, realize the spacing effect of flexibility, carry out protection operation to it when spacing to the lithium cell group, avoid the direct atress of lithium cell to lead to damaging, and then reach the effect that improves welding equipment and use the protectiveness.

2. This lithium cell laser welding equipment rotates the handle through the manpower and carries out rotatory operation for spacing, rubber pad, dead lever, link, run through groove, support frame, the operation of pressing frame mutually support, realize pressing stable effect, avoid heat and the welding power that produce in the welding process to make the connection piece of lithium cell produce the position offset, prevent to influence welded quality, and then reach the effect that improves welding equipment result of use.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of a weld station of the present utility model;

FIG. 3 is a schematic view of a limiting frame according to the present utility model;

fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present utility model.

[ Main reference numerals Specification ]

1. The welding device comprises a welding table, a lithium battery pack, a 3 XYZ triaxial module, a 4 laser welding instrument, a 5 chute, a 6 reciprocating screw rod, a 7 handle, a 8 thread bush, a 9 limit frame, a 10 circular groove, a 11 sliding disc, a 12 spring, a 13 connecting rod, a 14 rubber pad, a 15 fixing rod, a 16 connecting frame, a 17 penetrating groove, a 18 supporting frame, a 19 pressing frame.

Detailed Description

The embodiment of the utility model provides lithium battery laser welding equipment.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the lithium battery pack 2 is placed on the welding table 1, the lithium battery pack 2 is arranged at the upper end of the welding table 1, an XYZ triaxial module 3 is fixed at the upper end of the welding table 1, the XYZ triaxial module 3 is also called as a three-coordinate high-precision moving platform, the three-coordinate high-precision moving platform is a platform capable of realizing accurate movement in X, Y, Z directions, the two high-precision moving platform is fully disclosed, the output end of the XYZ triaxial module 3 is provided with a laser welding instrument 4, the laser welding instrument 4 is also commonly called as a laser welding machine and a laser welding machine, the machine is used for material processing laser welding, the laser welding instrument is fully disclosed, the laser welding instrument is not excessively disclosed, a sliding groove 5 is formed in the middle of the welding table 1, a connecting structure is arranged in the middle of the welding table 1, the connecting structure comprises a reciprocating screw 6, handles 7 are respectively fixed at two ends of the reciprocating screw 6, threaded sleeves 8 are respectively connected with the outer surfaces of two sides of the reciprocating screw 6, two limiting frames 9 are detachably mounted through bolts, the two limiting frames 9 can be replaced into corresponding dimensions according to actual needs, two limiting frames 9 are respectively provided with two circular sliding discs 13, two connecting discs 11 are respectively connected with two connecting discs 11, and each connecting discs 11 are respectively and each connecting discs 11 are fixedly connected with two connecting discs 11 in a round sliding disc 11.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 again, it should be specifically explained that the outer surface of the reciprocating screw rod 6 is rotationally connected to the middle part of the welding table 1, the middle threads of the two threaded sleeves 8 are connected to the outer surfaces of two sides of the reciprocating screw rod 6, the outer surfaces of the two threaded sleeves 8 are slidably connected to the inner walls of two sides of the sliding chute 5, the two limiting frames 9 are oppositely arranged, the cross section of each limiting frame 9 is U-shaped, the outer surface of the lithium battery pack 2 is contacted with the inner walls of the two limiting frames 9, the outer surfaces of the two rubber pads 14 are slidably connected to the inner walls of the two limiting frames 9, two opposite ends of each rubber pad 14 are fixed to one end of two adjacent connecting rods 13, the outer surface of each connecting rod 13 is slidably connected to one side of each limiting frame 9, one end of each spring 12 is fixed to one end of each sliding disc 11, and the other end of each spring 12 is fixed to the inner wall of each circular groove 10.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 again, it is worth specifically describing that the middle parts of the separated ends of the two rubber pads 14 are all fixed with fixing rods 15, the separated ends of the two fixing rods 15 are all rotationally connected with connecting frames 16, through slots 17 are all formed in the middle parts of the two connecting frames 16, the inner walls of the two through slots 17 are all slidably connected with supporting frames 18, pressing frames 19 are all fixed at the similar ends of the two connecting frames 16, the outer surfaces of the two fixing rods 15 are slidably connected with the middle parts of the two limiting frames 9, the separated ends of the two connecting frames 16 are all rotationally connected with the separated ends of the two fixing rods 15, the cross section of each fixing rod 15 is in a T-shaped arrangement, the outer surfaces of the two supporting frames 18 are slidably connected with the inner walls of the two through slots 17, the lower ends of the two supporting frames 18 are fixedly arranged at the middle parts of the upper ends of the two limiting frames 9, the separated ends of the two pressing frames 19 are fixedly arranged at the similar ends of the two connecting frames 16, the two pressing frames 19 are all in an L-shaped arrangement, and the two pressing frames 19 are in relative distribution.

The utility model is used when in use: firstly, the handle 7 is rotated by manpower to rotate the reciprocating screw rod 6 fixedly connected with the handle 7 under the stability of the welding table 1, the two thread sleeves 8 which are in threaded connection with the outer surfaces of the two sides of the reciprocating screw rod 6 are reversely moved under the limit of the sliding groove 5, the two reversely moved thread sleeves 8 drive the upper part to reversely move through the two limit brackets 9 which are detachably arranged by threads, the two reversely moved limit brackets 9 drive the two rubber pads 14 to reversely move through the connecting rod 13, the two reversely moved rubber pads 14 are firstly contacted with the lithium battery pack 2 placed on the welding table 1 and continuously approach along with the two limit brackets 9 to enable the lithium battery pack 2 to extrude the rubber pads 14, the extruded rubber pads 14 drive the sliding disc 11 to slide on the inner wall of the circular groove 10 through the connecting rod 13, the sliding slide plate 11 extrudes the fixedly connected spring 12, along with continuous extrusion of the spring 12, the elastic force generated by compression of the spring 12 is larger until the rubber pad 14 is propped against and stopped by the limiting frame 9, at the moment, the lithium battery pack 2 is limited at the middle part of the welding table 1, the flexible limiting effect is completed, the lithium battery pack 2 is limited and is protected, the lithium battery pack is prevented from being directly stressed to be damaged, the effect of improving the protection of welding equipment is further achieved, meanwhile, the handle 7 is rotated by manpower, the reciprocating screw 6 connected with the handle 7 drives the limiting frame 9 and the rubber pad 14 to move by the threaded sleeve 8, the rubber pad 14 which moves generates position movement when being extruded by the lithium battery pack, the fixed rod 15 is driven by the rubber pad 14 which moves, the movable fixing rod 15 performs inclined downward movement operation under the stable state of the support frame 18 with the fixed position through the connecting frame 16, the two connecting frames 16 with the inclined downward movement drive the two pressing frames 19 to press the two connecting sheets placed on the lithium battery 2, the effect of pressing stabilization is achieved, the connecting sheets of the lithium battery are prevented from generating position deviation due to heat and welding force generated in the welding process, the welding quality is prevented from being influenced, and the effect of improving the using effect of the welding equipment is further achieved.

The working principle is that the handle 7 is rotated manually to enable the reciprocating screw rod 6 fixedly connected with the handle 7 to drive the limiting frame 9 and the rubber pad 14 to move, the effect of flexible limiting is achieved, the lithium battery pack 2 is limited and protected, damage caused by direct stress of the lithium battery is avoided, the effect of improving the use protection of welding equipment is achieved, meanwhile, the handle 7 is rotated manually to enable the reciprocating screw rod 6 fixedly connected with the handle 7 to drive the rubber pad 14 and the fixing rod 15 to move, the effect of pressing stability is achieved, the heat and welding force generated in the welding process are avoided to enable the connecting piece of the lithium battery to generate position offset, the welding quality is prevented from being influenced, and the effect of improving the use effect of the welding equipment is achieved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The lithium battery laser welding equipment comprises a welding table (1), wherein a lithium battery pack (2) is arranged at the upper end of the welding table (1), and is characterized in that an XYZ three-axis module (3) is fixed at the upper end of the welding table (1), and a laser welding instrument (4) is arranged at the output end of the XYZ three-axis module (3);

The welding bench is characterized in that a sliding groove (5) is formed in the middle of the welding bench (1), a connecting structure is arranged in the middle of the welding bench (1), two limiting frames (9) are arranged on the connecting structure, the connecting structure can carry the two limiting frames (9) to move reversely in the length direction of the sliding groove (5) so as to flexibly clamp a lithium battery pack (2) placed on the welding bench (1), the connecting structure comprises a reciprocating screw rod (6), handles (7) are fixed at two ends of the reciprocating screw rod (6), threaded sleeves (8) are connected to the outer surfaces of two sides of the reciprocating screw rod (6) in a threaded mode, round grooves (10) are formed in the two sides of the threaded sleeves (8) in a detachable mode through bolts, sliding discs (11) are connected to the inner walls of the round grooves (10) in a sliding mode, springs (12) are fixed at the separating ends of the four sliding discs (11), connecting rods (13) are fixed in the middle of the sliding discs (11), and two rubber pads (14) are fixed at the two similar ends of the connecting rods (13).

2. The lithium battery laser welding device according to claim 1, wherein the outer surface of the reciprocating screw rod (6) is rotationally connected to the middle of the welding table (1), the middle of the two threaded sleeves (8) are in threaded connection with the outer surfaces of two sides of the reciprocating screw rod (6), the outer surfaces of the two threaded sleeves (8) are in sliding connection with the inner walls of two sides of the sliding groove (5), the two limiting frames (9) are oppositely arranged, the cross section of each limiting frame (9) is U-shaped, and the outer surface of the lithium battery pack (2) is in contact with the inner walls of the two limiting frames (9).

3. The lithium battery laser welding device according to claim 2, wherein the outer surfaces of the two rubber pads (14) are slidably connected to the inner walls of the two limiting brackets (9), two sides of the separated ends of each rubber pad (14) are fixed to one ends of two adjacent connecting rods (13), the two rubber pads (14) are oppositely arranged, the outer surfaces of the connecting rods (13) are slidably connected to one side of each limiting bracket (9), one end of each spring (12) is fixed to one end of each sliding disc (11), and the other end of each spring (12) is fixed to the inner wall of each circular groove (10).

4. The lithium battery laser welding device according to claim 2, wherein fixing rods (15) are fixed at the middle parts of the separated ends of the two rubber pads (14), connecting frames (16) are rotatably connected to the separated ends of the two fixing rods (15), penetrating grooves (17) are formed in the middle parts of the two connecting frames (16), supporting frames (18) are slidably connected to the inner walls of the two penetrating grooves (17), and pressing frames (19) are fixed to the similar ends of the two connecting frames (16).

5. The lithium battery laser welding device according to claim 4, wherein the outer surfaces of the two fixing rods (15) are slidably connected to the middle parts of the two limiting frames (9), the separation ends of the two connecting frames (16) are rotatably connected to the separation ends of the two fixing rods (15), and the cross section of each fixing rod (15) is in a T-shaped arrangement.

6. The lithium battery laser welding device according to claim 5, wherein the outer surfaces of the two supporting frames (18) are slidably connected to the inner walls of the two through grooves (17), the lower ends of the two supporting frames (18) are fixed to the middle parts of the upper ends of the two limiting frames (9), the opposite ends of the two pressing frames (19) are fixed to the near ends of the two connecting frames (16), the two pressing frames (19) are arranged in an L shape, and the two pressing frames (19) are distributed relatively.