CN218775912U

CN218775912U - Nickel sheet laser welding fixture

Info

Publication number: CN218775912U
Application number: CN202123337120.5U
Authority: CN
Inventors: 吴建平; 周开礼; 吴文龙; 王俊文; 王雁斌
Original assignee: Zhangzhou Wanbao Energy Technology Co ltd
Current assignee: Zhangzhou Wanbao Energy Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-03-31
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to the technical field of laser welding, in particular to a nickel sheet laser welding fixture, which comprises a fixture body, wherein the fixture body comprises a first clamping plate and a second clamping plate, the first clamping plate is made of hard metal material, the second clamping plate is made of hard insulating material, first splint are established second splint upper portion and with second splint fixed connection, be equipped with the through-hole on the first splint, the second splint be equipped with the communicating recess of through-hole, the recess area is greater than the area of through-hole, be equipped with the suction opening that is used for producing the negative pressure on the through-hole. The utility model discloses when welding the nickel piece on the utmost point ear of battery, can the position of accurate location laser and nickel piece, improve welded success rate.

Description

Nickel sheet laser welding fixture

Technical Field

The utility model belongs to the technical field of the laser welding technique and specifically relates to a nickel piece laser welding anchor clamps are related to.

Background

The lithium battery is a power supply for providing a power source for a power tool, is a storage battery for providing power for electric automobiles, electric bicycles and other electronic equipment, and has the advantages of long service life, practicability, safety, large capacity, small volume, light weight and the like, and is widely applied to various fields. The lithium battery is provided with two positive electrode lugs and two negative electrode lugs, the top cover is provided with positive and negative conductive columns, the conductive columns are positioned on two sides of the lithium battery, the two positive and negative electrode lugs of the lithium battery are respectively positioned on two sides of the conductive columns, and the conductive columns are electrically connected with the lugs of the lithium battery. In the lithium battery assembling process, the battery and the electrode lug are welded firstly, then the nickel sheet is welded, and when the nickel sheet is welded, the nickel sheet is small, so that the welding failure is easily caused by inaccurate positioning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nickel piece laser welding anchor clamps, when welding the nickel piece on the utmost point ear of battery, can the position of accurate location laser and nickel piece, improve welded success rate.

The utility model provides a nickel piece laser welding anchor clamps, the fixture comprises a fixture body, the anchor clamps body includes first splint and second splint, first splint are made by the hard metal material, the second splint are made by stereoplasm insulating material, first splint are established second splint upper portion and with second splint fixed connection, be equipped with the through-hole on the first splint, the second splint be equipped with the communicating recess of through-hole, the recess area is greater than the area of through-hole, be equipped with the suction hole that is used for producing the negative pressure on the through-hole.

Further, the first splint is made of a copper material.

Further, the second splint is made of PVC material.

Further, the first splint is the same size as the second splint.

Further, the through holes are provided in three numbers.

Further, the aperture of the through hole is 3.18-3.22mm.

Further, the aperture of the through hole is 3.20mm.

Further, the first clamping plate and the second clamping plate are fixedly connected through bolts.

Further, still include around the axis of rotation pivoted base, the anchor clamps body with base fixed connection.

Furthermore, four fixture bodies are uniformly distributed on the base.

Has the advantages that:

the utility model discloses a set up the first splint of making by the hard metal material and the second splint of making by insulating material, with first splint and second splint fixed connection, through-hole on the first splint and the recess phase-match on the second splint, then under the effect of the negative pressure that the suction hole produced, adsorb the groove part with the nickel piece, the through-hole, the recess is with three sharp-point one-tenth straight lines by the nickel piece that adsorbs, laser passes through the through-hole on the first splint in proper order and the communicating recess of through-hole on the second splint, it welds to reach nickel piece department, the effect of accurate location has been realized, the welded success rate has been improved, and simultaneously, hard metal has high temperature resistant effect, laser is when through the through-hole, can not produce the effect of shrinkage cavity because of being heated, insulating material's area is greater than the area of through-hole, the edge of recess will be far away from laser, the reduction receives the influence that high temperature produced the shrinkage cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 shows the present application a novel overall schematic diagram;

fig. 2 is an enlarged schematic view of fig. 1 at a according to the present invention;

FIG. 3 is a schematic view of the present invention showing the position of the air suction holes;

fig. 4 is a schematic view of the position relationship between the clamp body and the base of the present invention.

Description of the reference numerals: 1-a first splint, 2-a second splint, 3-through holes, 4-grooves, 5-suction holes, 6-a base, 7-a rotating shaft and 8-nickel sheets.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In this way, the features defined as "first", "second" may explicitly or implicitly include one or more of the features described. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically limited. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A nickel sheet laser welding fixture is shown in figures 1-4 and comprises a fixture body, the fixture body comprises a first clamping plate 1 and a second clamping plate 2 which are the same in size, the first clamping plate 1 is made of a copper material, the second clamping plate 2 is made of a PVC material, the first clamping plate 1 is arranged on the upper portion of the second clamping plate 2 and fixedly connected with the second clamping plate 2 through bolts, three through holes 3 are arranged on the first clamping plate 1, the aperture of each through hole 3 is 3.20mm, the second clamping plate 2 is provided with a groove 4 communicated with the through holes 3, the area of each groove 4 is larger than that of each through hole 3, and the through holes 3 are provided with air suction holes 5 used for generating negative pressure. Still include around axis of rotation 7 pivoted base 6, anchor clamps body and base 6 fixed connection, evenly distributed is equipped with four anchor clamps bodies on the base 6.

The working and using processes are as follows:

in operation, first splint 1 is last, second splint 2 is in first splint 1 lower part and closely links to each other with first splint 1 through the bolt, place nickel piece 8 in recess 4 department, because the negative pressure effect that suction hole 5 produced, nickel piece 8 is adsorbed in recess 4 department, through-hole 3, recess 4 and the nickel piece 8 three-point that is adsorbed become the straight line, start laser welding equipment this moment, the laser that laser welding equipment launches passes through communicating recess 4 with the through-hole on through-hole 3 on the first splint 1 and the second splint 2 in proper order, reach nickel piece 8 department, weld nickel piece 8, the effect of accurate location has been realized, the welded success rate has been improved, and simultaneously, the carbide has high temperature resistant effect, laser when passing through the through-hole, can not produce the effect of shrinkage cavity because of being heated, insulating material's area is greater than the area of through-hole, the edge of recess will be far away from laser, reduce the influence that receives high temperature and produce the shrinkage cavity. Meanwhile, the base 6 can rotate around the rotating shaft 7, after the welding of the nickel sheets on the first group of fixture bodies is completed, the second group of fixture bodies are in the laser welding position under the rotation of the base 6, the welding of the nickel sheets is completed, and the welding is always performed, so that the welding efficiency of the nickel sheets is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a nickel piece laser welding anchor clamps, its characterized in that, includes the anchor clamps body, the anchor clamps body includes first splint and second splint, first splint are made by hard metal material, the second splint are made by stereoplasm insulating material, first splint are established second splint upper portion and with second splint fixed connection, be equipped with the through-hole on the first splint, the second splint be equipped with the communicating recess of through-hole, the recess area is greater than the area of through-hole, be equipped with the suction opening that is used for producing the negative pressure on the through-hole.

2. The nickel sheet laser welding jig of claim 1, wherein the first clamping plate is made of a copper material.

3. The nickel sheet laser welding jig of claim 2, wherein the second clamping plate is made of a PVC material.

4. The nickel sheet laser welding jig of claim 3, wherein the first clamping plate is the same size as the second clamping plate.

5. The nickel sheet laser welding jig of claim 1, wherein the through-holes are provided in three.

6. The nickel sheet laser welding jig of claim 5, wherein the aperture of the through-hole is 3.18-3.22mm.

7. The nickel plate laser welding jig of claim 6, wherein the aperture of the through hole is 3.20mm.

8. The nickel sheet laser welding jig of claim 1, wherein the first clamping plate and the second clamping plate are fixedly connected by a bolt.

9. The nickel sheet laser welding jig of claim 1, further comprising a base that rotates about a rotation axis, the jig body being fixedly connected to the base.

10. The nickel plate laser welding fixture according to claim 9, wherein four fixture bodies are uniformly distributed on the base.