CN220217150U

CN220217150U - Welding assembly

Info

Publication number: CN220217150U
Application number: CN202320573519.3U
Authority: CN
Inventors: 韩金强; 胡冬彬; 胡志浩; 刘静; 赖麒至
Original assignee: Guangdong Hui Innovative Energy Co ltd
Current assignee: Guangdong Hui Innovative Energy Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-12-22
Anticipated expiration: 2033-03-22

Abstract

The utility model belongs to the technical field of welding of power batteries, and particularly relates to a welding assembly, which comprises a first mounting plate and an elastic piece, wherein a pressing part is arranged on one side of the first mounting plate, the pressing part comprises a second mounting plate, a plurality of through holes are formed in the second mounting plate, guide posts are slidably arranged in the through holes, a plurality of pressing blocks are fixedly connected to the lower ends of the guide posts, the pressing blocks can slide up and down in a circulating and reciprocating mode through the elastic piece and the guide posts, meanwhile, the pressing blocks are controlled through the single guide posts and the elastic piece, and the bonding degree of pole lugs and bonding pads can be automatically adjusted along with the deformation radian of the bonding pads when the bonding pads with uneven heights are pressed down.

Description

Welding assembly

Technical Field

The utility model belongs to the technical field of welding of power batteries, and particularly relates to a welding assembly.

Background

In the welding process of the lithium battery, the electrode tab and the positive and negative electrode plates of the battery are welded together in a laser welding mode, and in the laser welding process, or a pressing part is arranged to press the electrode plate and the electrode tab together first, then the laser still works.

In the prior art, a whole square middle hollowed-out pressing block is generally adopted to press the pole piece and the pole lug, but the structure is only suitable for being used when a welding plane is a convex surface or a concave surface, the structure can not well press the welding surface when the welding surface is a convex surface or a concave surface, the bonding degree with the welding surface is poor, and the welding quality is affected.

Disclosure of Invention

The utility model aims at: aiming at the defects of the prior art, a welding assembly is provided to solve the problems of complex procedure and long time consumption in the process of calculating the charging speed of the lithium ion laminated battery in the prior art.

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

the utility model provides a welding assembly, includes first mounting panel and elastic component, and one side of first mounting panel is provided with presses the part, presses the part including the second mounting panel, is provided with a plurality of through-hole on the second mounting panel, and slidable is provided with the guide pillar in the through-hole, guide pillar lower extreme fixedly connected with a plurality of briquetting.

As a preferred embodiment of the present utility model, the second mounting plate is fixed to one side of the first mounting plate by a fastener.

As a preferred embodiment of the utility model, the guide post comprises a guide sleeve and a guide rod, the guide rod is sleeved in the guide sleeve, and the guide sleeve is fixedly arranged in the through hole.

As a preferred embodiment of the utility model, the uppermost part of the guide rod is clamped with a clamp spring.

As a preferred embodiment of the utility model, the elastic piece is sleeved at the lower end of the guide post and is positioned between the second mounting plate and the pressing block.

As a preferred embodiment of the present utility model, the pressing block includes a pressing head provided at a front end of the pressing block and a connection part provided at a rear end thereof, the connection part being provided with a connection hole, and a lower end of the guide rod being provided in the connection hole.

As a preferred embodiment of the present utility model, the elastic member includes a pressure spring, an upper end of which abuts against a lower end surface of the guide sleeve, and a lower end of which abuts against an upper plane of the connecting portion.

As a preferred embodiment of the present utility model, the pressing block is provided with at least one connection hole.

As a preferred embodiment of the present utility model, one end of the connection part is further provided with a bump.

As a preferred embodiment of the present utility model, a sliding groove is provided on the first mounting plate at a position corresponding to the bump, and the bump is slidably provided in the sliding groove.

The welding assembly has the beneficial effects that the welding assembly comprises the first mounting plate and the elastic piece, one side of the first mounting plate is provided with the pressing part, the pressing part comprises the second mounting plate, the second mounting plate is provided with the plurality of through holes, the guide posts are slidably arranged in the through holes, the lower ends of the guide posts are fixedly connected with the plurality of pressing blocks, the pressing blocks can slide up and down in a circulating mode through the elastic piece and the guide posts, meanwhile, the pressing blocks are controlled through the single guide posts and the elastic piece, and the bonding degree of the tab and the bonding pad is automatically adjusted along with the deformation radian of the bonding pad when the bonding pad with uneven height is pressed down.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present utility model will be described below with reference to fig. 1 to 2.

FIG. 1 is a schematic view of the overall structure of a welding assembly of the present utility model;

FIG. 2 is an exploded view of the overall structure of the welded assembly of the present utility model.

In the figure: 1. a first mounting plate; 11. a sliding groove;

2. a second mounting plate; 21. a guide post; 22. an elastic member; 23. briquetting;

211. guide sleeve; 212 guide rods; 213. clamping springs;

231. a connection part; 232. a pressure head; 233. a bump; 234. and a connection hole.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a alone, both a and B, and a plurality of cases alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in further detail with reference to fig. 1 to 2, but the present utility model is not limited thereto.

In the implementation of the utility model, the welding component comprises a first mounting plate 1 and an elastic piece 22, wherein a pressing component is arranged on one side of the first mounting plate 1 and comprises a second mounting plate 2, a plurality of through holes are formed in the second mounting plate 2, guide posts 21 are slidably arranged in the through holes, the lower ends of the guide posts 21 are fixedly connected with a plurality of pressing blocks 23, the pressing blocks 23 can slide up and down in a circulating and reciprocating mode through the elastic piece 22 and the guide posts 21, meanwhile, the pressing blocks 23 are controlled through the single guide posts 21 and the elastic piece 22, and the bonding degree between the lug and the bonding pad is automatically adjusted along with the deformation radian of the bonding pad when the bonding pad with uneven height is pressed down.

As a preferred embodiment of the present utility model, the second mounting plate 2 is fixed to one side of the first mounting plate 1 by a fastener, specifically, a threaded hole, a through hole, a countersunk hole or other types of through holes are formed in the first mounting plate 1, a threaded hole is formed in one side of the second mounting plate 2, the threaded hole on the first mounting plate 1 is opposite to the threaded hole on the second mounting plate 2, and then the first mounting plate 1 and the second mounting plate 2 are fixed together by means of screw fastening.

As a preferred embodiment of the present utility model, the guide post 21 includes a guide sleeve 211 and a guide rod 212, the guide rod 212 is sleeved in the guide sleeve 211, the guide sleeve 211 is fixedly arranged in the through hole, and the guide rod 212 is sleeved in the guide sleeve 211 in a vertically movable manner.

As a preferred embodiment of the present utility model, the uppermost portion of the guide rod 212 is clamped with a clamp spring 213, and the clamp spring 213 disposed at the uppermost end of the guide rod 212 plays a role of limiting, so as to prevent the guide rod 212 from falling out of the guide sleeve 211 during the sliding process.

As a preferred embodiment of the present utility model, the elastic member 22 is sleeved on the lower end of the guide post 21 and is located between the second mounting plate 2 and the pressing block 23, and the elastic member 22 is disposed between the second mounting plate 2 and the pressing block 23 to reset the pressing block 23 to an initial position, that is, the farthest end of the guide post 21 sliding downward when the pressing block 23 moves to the uppermost position.

As a preferred embodiment of the present utility model, the pressing block 23 includes a pressing head 232 disposed at a front end of the pressing block 23 and a connection part 231 disposed at a rear end thereof, the connection part 231 is provided with a connection hole 234, a lower end of the guide bar 212 is disposed in the connection hole 234, the connection hole 234 having the same number as the guide posts 21 is disposed in the connection part 231, a lowermost end of the guide bar 212 is disposed in the connection hole 234 to be fixedly connected with the pressing block 23, and a welding groove is formed on the pressing head 232 disposed at the front end of the pressing block 23, the welding groove being disposed for convenience of laser welding.

As a preferred embodiment of the present utility model, the elastic member 22 includes a pressure spring, the upper end of which abuts against the lower end surface of the guide sleeve 211, and the lower end of which abuts against the upper plane of the connection portion 231, and in this embodiment, the elastic member 22 is a pressure spring which has a very good elasticity and is characterized in that it is easy to deform, has a large elasticity, has a good fatigue resistance, and has a strong impact toughness.

As a preferred embodiment of the present utility model, at least one connecting hole 234 is formed in the pressing block 23, specifically, in the present utility model, two holes are formed in the connecting portion 231 of the pressing block 23, that is, two guide posts 21 are connected to the pressing block 23 through the connecting hole 234, and the two guide posts 21 are disposed to fix the direction of the pressing block 23, so that the pressing block 23 always faces one direction.

As a preferred embodiment of the present utility model, one end of the connection part 231 is further provided with a bump 233. As a preferred embodiment of the present utility model, the first mounting plate 1 is provided with the sliding groove 11 at a position corresponding to the bump 233, the bump 233 is slidably disposed in the sliding groove 11, the bump 233 is provided to better fix the orientation of the bump 23, and since the guide rod 212 is movably connected with the guide sleeve 211, there is always some gap, and there is slight deviation in the working process, the bump 233 is provided to effectively prevent the deviation of the bump 233 in working and accurately press to the welding position.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.

Variations and modifications of the above embodiments will occur to those skilled in the art to which the utility model pertains from the foregoing disclosure and teachings. Therefore, the present utility model is not limited to the above-described embodiments, but is intended to be capable of modification, substitution or variation in light thereof, which will be apparent to those skilled in the art in light of the present teachings. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims

1. A welding assembly, characterized in that: including first mounting panel and elastic component, one side of first mounting panel is provided with presses the part, press the part to include the second mounting panel, be provided with a plurality of through-hole on the second mounting panel, slidable is provided with the guide pillar in the through-hole, guide pillar lower extreme fixedly connected with a plurality of briquetting.

2. A welding assembly as defined in claim 1, wherein: the second mounting plate is fixed on one side of the first mounting plate through a fastener.

3. A welding assembly as defined in claim 1, wherein: the guide post comprises a guide sleeve and a guide rod, the guide rod is sleeved in the guide sleeve, and the guide sleeve is fixedly arranged in the through hole.

4. A welding assembly as defined in claim 3, wherein: and the uppermost part of the guide rod is clamped with a clamp spring.

5. A welding assembly as defined in claim 3, wherein: the elastic piece is sleeved at the lower end of the guide post and is positioned between the second mounting plate and the pressing block.

6. A welding assembly as defined in claim 5, wherein: the pressing block comprises a pressing head arranged at the front end of the pressing block and a connecting part arranged at the rear end of the pressing block, wherein the connecting part is provided with a connecting hole, and the lower end of the guide rod is arranged in the connecting hole.

7. A welding assembly as defined in claim 6, wherein: the elastic piece comprises a pressure spring, the upper end of the pressure spring is abutted with the lower end face of the guide sleeve, and the lower end of the pressure spring is abutted with the upper plane of the connecting portion.

8. A welding assembly as defined in claim 6, wherein: at least one connecting hole is formed in the pressing block.

9. A welding assembly as defined in claim 6, wherein: one end of the connecting part is also provided with a bump.

10. A welding assembly as defined in claim 9, wherein: the first mounting plate is provided with a sliding groove at a position corresponding to the lug, and the lug is slidably arranged in the sliding groove.