CN210359818U

CN210359818U - Laser welding jig

Info

Publication number: CN210359818U
Application number: CN201921278986.3U
Authority: CN
Inventors: 唐罗伟; 刘好玉; 曹德定; 宁威; 韦世华; 谢小燕
Original assignee: Shenzhen Grenergy Technology Co ltd
Current assignee: Shenzhen Grenergy Technology Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-21
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a laser welding jig, which comprises a battery fixing plate and a nickel plate, wherein the battery fixing plate is used for enclosing a battery and arranging the battery in sequence, the battery fixing plate is provided with a through limiting groove, an upper nickel plate fixing cover plate and a lower nickel plate fixing cover plate are detachably fixed on the upper end surface and the lower end surface of the battery fixing plate respectively, and welded junctions for exposing the welding surface of the battery are arranged on the upper nickel plate fixing cover plate and the lower nickel plate fixing cover plate; the utility model aims at providing a laser welding tool aims at designing a special laser tool, makes the welding more high-efficient.

Description

Laser welding jig

Technical Field

The utility model belongs to the technical field of laser welding, especially carry out laser welding to the multiunit battery, specifically relate to a laser welding tool.

Background

At present, when a plurality of groups of batteries are connected in series or in parallel into a whole, laser welding is generally adopted, the specific operation method is to fix a nickel sheet on the welding plane of the anode and the cathode of the battery by hand and then weld the nickel sheet, and the existing welding method has the following defects: 1. and only 1 battery can be welded; 2. the operator's hand is very close to the laser welding position and is easy to hurt the hand; 3. the welding work efficiency of a single battery is low; 4. the manual positioning nickel sheet welding easily causes dislocation.

Therefore, a laser welding jig is needed to solve the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, provide a laser welding tool, aim at designing a special laser tool, make the welding more high-efficient.

For the purpose of realizing above, the utility model discloses a technical scheme be, it includes encloses the battery and closes and with battery fixed plate and the nickel piece of battery according to the range in proper order, the battery fixed plate has a spacing groove that link up, and upper and lower terminal surface at the battery fixed plate is detachable respectively and is fixed with fixed apron of last nickel piece and the fixed apron of lower nickel piece, go up the fixed apron of nickel piece and all offer the weld that shows the battery face of weld on the fixed apron of lower nickel piece.

Furthermore, a metal buffer sleeve for compressing the nickel sheet is embedded on the welding opening, and when the metal buffer sleeve is not in a compressed state, the end face of the compressed nickel sheet exceeds the end face of the nickel sheet fixing cover plate.

Further, the metal buffer sleeve comprises an elastic snap ring, a spring and a metal sleeve, wherein the metal sleeve is provided with a snap ring groove for installing the elastic snap ring and a bearing table, so that the spring is sleeved in the middle of the elastic snap ring and the bearing table.

Furthermore, a plurality of first cover plate fixing buckles for connecting the upper nickel sheet fixing cover plate and the lower nickel sheet fixing cover plate are arranged on the battery fixing plate.

Furthermore, the battery fixing plate is formed by fixedly buckling and surrounding and splicing a left side fixing frame a and a right side fixing frame b through a second cover plate, wherein the left side fixing frame a and the right side fixing frame b are connected through a connecting column by two fixing plates.

Furthermore, handles are respectively arranged on the upper nickel sheet fixing cover plate and the lower nickel sheet fixing cover plate.

Compared with the prior art, the utility model, the beneficial effects are that:

1. the battery can be rapidly arranged in the nickel plate and placed in the limiting groove, the battery can be effectively limited and fixed, the laser welding efficiency is high, the welding position is accurate, and poor welding caused by placement displacement is reduced;

2. the metal buffer sleeves are arranged at the pressing positions of the cover plates on the two sides of the laser welding jig, the metal buffer sleeves can effectively flatten the welding surfaces of the nickel sheet and the battery, and the problem that the welding is poor due to the fact that the nickel sheet is penetrated by laser because of a gap between the nickel sheet and the welding surfaces is solved;

3. the crater of tool trompil is according to the design of electric core diameter, effectively solves the dislocation phenomenon. Other advantages of the present invention will be further explained in the detailed description of the invention.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a connection diagram of a constituent structure of a battery fixing plate.

Fig. 4 is an exploded view of the metal buffer sleeve.

Fig. 5 is a schematic perspective view of a metal buffer sleeve.

Fig. 6 is a schematic perspective view of the first cover plate fastener.

Fig. 7 is a schematic perspective view of the second cover plate fastener.

The text labels in the figures are represented as: 10. a battery fixing plate; 10a, a left side fixing frame; 10b, a right side fixing frame; 101. a limiting groove; 102. a notch; 20. fixing a cover plate by an upper nickel sheet; 201. welding a welding opening; 30. a cover plate is fixed by a lower nickel sheet; 40. a battery; 50. a metal buffer sleeve; 51. an elastic snap ring; 52. a spring; 53. a metal sheath; 530. a snap ring groove; 531. a bearing table; 60. a nickel sheet; 70. connecting columns; 80. a first cover plate fixing buckle; 90. a second cover plate fixing buckle; 100. a connecting plate; 110. and (4) a handle.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Embodiment 1, please refer to fig. 1, the utility model provides a laser welding jig, it includes encloses battery 40 and closes, and with battery 40 according to battery fixed plate 10 and nickel piece 60 of range in proper order, this nickel piece 60 is installed the back at battery 40, lays the upper and lower surface at battery 40, battery fixed plate 10 has a spacing groove 101 that link up, and detachable is fixed with last nickel piece fixed cover plate 20 and lower nickel piece fixed cover plate 30 respectively at the upper and lower terminal surface of battery fixed plate 10, all set up on last nickel piece fixed cover plate 20 and the lower nickel piece fixed cover plate 30 and show the weld opening 201 of battery 40 face of weld.

In the above scheme, the battery module is placed in the limiting groove 101 of the battery fixing plate 10, so that the battery module can be completely positioned, then the nickel sheets 60 are respectively placed on the upper surface and the lower surface of the battery 40, then the upper nickel sheet fixing cover plate 20 and the lower nickel sheet fixing cover plate 30 are aligned and fixed, the welding surface of the battery 40 is exposed, and finally laser welding is performed.

In embodiment 2, referring to fig. 1, fig. 2, fig. 4, and fig. 5, a metal buffer sleeve 50 for compressing a nickel sheet 60 is embedded in a crater 201, and when the metal buffer sleeve 50 is in an uncompressed state, an end surface of the compressed nickel sheet 60 exceeds an end surface of a nickel sheet fixing cover plate; specifically, the metal buffer sleeve 50 includes an elastic snap ring 51, a spring 52 and a metal sleeve 53, wherein the metal sleeve 53 is provided with a snap ring groove 530 for mounting the elastic snap ring 51 and a bearing platform 531, so that the spring 52 is sleeved between the elastic snap ring 51 and the bearing platform 531.

By adopting the above technical scheme, the utility model, when closing fixedly with last fixed apron 20 of nickel piece and the fixed apron 30 alignment of lower nickel piece, the terminal surface of stretching out of the metal covering 53 of metal cushion sleeve 50 can compress tightly nickel piece 60, makes metal cushion sleeve 50 take place elastic deformation, lets nickel piece 60 paste tight battery 40 face of weld completely, prevents that laser welding from wearing nickel piece 60.

Preferably, as shown in fig. 3 and 6, a plurality of first cover plate fixing buckles 80 connected to the upper nickel plate fixing cover plate 20 and the lower nickel plate fixing cover plate 30 are arranged on the battery fixing plate 10, so that the nickel plate fixing cover plate can be quickly disassembled and assembled, and the first cover plate fixing buckles 80 clamp the cover plate, so that the nickel plate 60 completely clings to the welding surface of the battery 40.

Preferably, as shown in fig. 3 and 7, the battery fixing plate 10 is formed by surrounding and splicing a left fixing frame 10a and a right fixing frame 10b by a second cover plate fixing buckle 90, wherein the left fixing frame 10a and the right fixing frame 10b are both connected by two fixing plates through a connecting column 70; adopt such structure, can simplify the installation procedure, simultaneously after the welding finishes, through opening second apron fixed knot 90, make left side mount 10a and right side mount 10b part, let battery 40 can take out fast.

Preferably, the upper nickel plate fixing cover plate 20 and the lower nickel plate fixing cover plate 30 are respectively provided with a handle 110 for fixing and placing.

The above technical scheme is adopted in the utility model, pack into battery 40 the tool fixed back, once can weld 120 batteries, welding efficiency is high, and the location is accurate, of course the utility model discloses welded quantity is not limited to here.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides a laser welding tool, its characterized in that, it includes battery fixed plate (10) and nickel piece (60) that enclose battery (40) and close and arrange battery (40) according to order, battery fixed plate (10) have one spacing groove (101) that link up, upper and lower terminal surface at battery fixed plate (10) is detachable respectively and is fixed with fixed apron of last nickel piece (20) and lower fixed apron of nickel piece (30), all offer on fixed apron of last nickel piece (20) and lower fixed apron of nickel piece (30) and show weld opening (201) of battery (40) weld face.

2. The laser welding jig according to claim 1, characterized in that a metal buffer sleeve (50) for compressing the nickel sheet (60) is embedded in the weld opening (201), and when the metal buffer sleeve (50) is in an uncompressed state, the end face of the compressed nickel sheet (60) exceeds the end face of the nickel sheet fixing cover plate.

3. The laser welding jig of claim 2, wherein the metal buffer sleeve (50) comprises an elastic snap ring (51), a spring (52) and a metal sleeve (53), the metal sleeve (53) is provided with a snap ring groove (530) for mounting the elastic snap ring (51) and a bearing platform (531), and the spring (52) is sleeved between the elastic snap ring (51) and the bearing platform (531).

4. The laser welding jig according to any one of claims 1 to 3, wherein a plurality of first cover plate fixing buckles (80) which are connected with the upper nickel plate fixing cover plate (20) and the lower nickel plate fixing cover plate (30) are arranged on the battery fixing plate (10).

5. The laser welding jig of claim 4, wherein the battery fixing plate (10) is formed by annularly splicing a left side fixing frame (10a) and a right side fixing frame (10b) through a second cover plate fixing buckle (90), and the left side fixing frame (10a) and the right side fixing frame (10b) are connected through a connecting column (70) by two fixing plates.

6. The laser welding jig of claim 5, wherein the upper nickel sheet fixing cover plate (20) and the lower nickel sheet fixing cover plate (30) are respectively provided with a handle (110).