CN220073716U

CN220073716U - Welding positioning device

Info

Publication number: CN220073716U
Application number: CN202321404639.7U
Authority: CN
Inventors: 童珊; 杨震; 陈韩; 陈豫川; 陈月座; 林凯新; 李搌龙; 谢飞翔; 叶义洲; 陈锐群
Original assignee: Huizhou Desay Battery Co Ltd
Current assignee: Huizhou Desay Battery Co Ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-11-24
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to the technical field of battery processing and discloses a welding positioning device which comprises a welding positioning platform and at least two positioning components, wherein different positioning components are provided with pressing claws matched with different lugs. When the lug is subjected to mold changing, the welding positioning device moves the matched positioning assembly to the station, so that the mold changing is completed. The process does not need to disassemble the positioning assembly, greatly shortens the time cost and the economic cost, and has universality when welding and positioning with different lugs.

Description

Welding positioning device

Technical Field

The embodiment of the utility model relates to the technical field of battery processing, in particular to a welding positioning device.

Background

In recent years, with the improvement of the living standard of people, batteries have been widely used in various fields such as electric bicycles, electric motorcycles, portable mobile power sources, smart phones, notebook computers, and the like. The battery specifications required by products in different fields and different models are also different, so that in the process of battery production, equipment often relates to the problem of model change.

In the tab tack welding process, there are often only fixed types of positioning components. Therefore, the positioning assembly often needs to be subjected to a mold change when facing the non-tabs, and the mold change process needs to consume time and money, so that the mold change cost is increased.

In summary, it is necessary to provide a welding positioning device applicable to different lugs.

Disclosure of Invention

In order to solve the problems, the embodiment of the utility model provides a welding positioning device, which slides a corresponding positioning component to a station according to the model of a tab to realize the positioning function of the welding positioning device and the tabs with different models.

Specifically, a welding positioning device includes: the positioning mechanism and the welding platform mechanism are arranged on the welding platform,

the positioning mechanism comprises a sliding base and at least two positioning components, wherein the positioning components are connected to the sliding base in a sliding manner, the positioning components are provided with pressing claws for positioning the lugs, and the pressing claws of different positioning components are matched with different lugs;

the welding platform mechanism comprises a compression block, and a lug clamping position is formed between the compression block and the compression claw.

Optionally, the pressing claw includes a pressing claw body and a pressing part, and the pressing part is arranged on the pressing claw body.

Optionally, at least two compressing parts are arranged on the compressing claw, a space exists between the compressing parts, and the spaces in the compressing claws of different positioning assemblies are different.

Optionally, the compressing part is provided with a first avoidance structure at one end close to the compressing block.

Optionally, the positioning assembly further comprises an adjusting sliding table for adjusting the position of the positioning assembly, and the adjusting sliding table is movably connected with the sliding base.

Optionally, the positioning assembly further comprises a first blowing assembly, the first blowing assembly comprises a blowing pipe, and a blowing port of the blowing pipe is close to the tab clamping position.

Optionally, the first blowing assembly further comprises an adjusting part for adjusting the position of the blowing pipe in the horizontal direction.

Optionally, the positioning assembly further comprises a second blowing assembly, the pressing claw is provided with a blowing hole, and the second blowing assembly is connected with the blowing hole.

Optionally, the positioning assembly further comprises a buffer member, and the buffer member is connected with the pressing claw.

Optionally, the compressing block is provided with at least two compressing surfaces for forming the tab clamping position with the compressing claw.

The welding positioning device provided by the utility model has the following technical effects:

the method has universality and reduces the time cost and the economic cost of the model change. The welding positioning device provided by the utility model is provided with at least two positioning components, and different positioning components are provided with pressing claws matched with different polar lugs. When the lug is subjected to mold changing, the welding positioning device moves the matched positioning assembly to the station, so that the mold changing is completed. The process does not need to disassemble the positioning assembly, greatly shortens the time cost and the economic cost, and has universality when welding and positioning with different lugs.

Drawings

Fig. 1 is a schematic structural diagram of a welding positioning device provided in embodiment 1 of the present utility model;

fig. 2 is a schematic structural diagram of a positioning assembly according to embodiment 1 of the present utility model;

fig. 3 is a schematic view of a partial structure of a pressing claw according to embodiment 1 of the present utility model;

fig. 4 is a partial schematic view of a welding positioning device according to embodiment 1 of the present utility model.

Reference numerals:

a 100 rack;

200 positioning mechanism, 210 sliding base, 220 positioning component, 221 positioning bracket, 222 adjusting sliding table, 223 first cylinder, 224 fixed block, 225 sliding groove, 230 pressing jaw component, 231 adjusting seat, 240 pressing jaw, 241 pressing jaw body, 242 pressing part, 2421 first avoiding structure, 2422 second avoiding structure, 243 air hole, 250 buffer piece, 260 first air blowing component, 261 air blowing pipe, 262 adjusting part, 270 second air blowing component;

300 welding a platform mechanism, 310 compacting blocks, 311 compacting surfaces and 320 second cylinders;

400 tab.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments of the present utility model and the technical features of the embodiments may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the gist of the present utility model and should not be construed as unduly limiting the present utility model.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the specific technical solutions of the present utility model will be described in further detail below with reference to the accompanying drawings in the embodiments of the present utility model. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In embodiments of the present utility model, the terms "first," "second," and the like 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. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, in the embodiments of the present utility model, the terms "upper," "lower," "left," and "right," etc., are defined with respect to the orientation in which the components in the drawings are schematically disposed, and it should be understood that these directional terms are relative terms, which are used for descriptive and clarity with respect to each other, and which may vary accordingly with respect to the orientation in which the components in the drawings are disposed.

In embodiments of the present utility model, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral unit; can be directly connected or indirectly connected through an intermediate medium.

In embodiments of the present utility model, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In embodiments of the utility model, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment of the present utility model is not to be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

Example 1

Fig. 1 shows a schematic structural diagram of a welding positioning apparatus according to this embodiment. As shown in fig. 1, a welding positioning apparatus includes a frame 100, and a positioning mechanism 200 and a welding platform mechanism 300 provided on the frame 100. And a lug clamping position is arranged between the positioning mechanism 200 and the welding platform mechanism 300 and used for clamping the lug 400, so that the lug 400 is positioned, and the lug 400 is convenient to weld.

Specifically, the positioning mechanism 200 includes a slide base 210 and at least two positioning assemblies 220. The sliding base 210 extends in a strip shape, and the positioning assembly 220 is movably connected to the sliding base 210 and can move along the sliding base 210. In this embodiment, the weld fixture is provided with two locating assemblies 220.

Fig. 2 shows a schematic structure of the positioning assembly 220. Referring to fig. 1 and 2 in combination, the positioning assembly 220 includes a positioning bracket 221 and a pressing jaw assembly 230, an adjusting sliding table 222 is provided at a lower end of the positioning bracket 221, and the adjusting sliding table 222 is movably connected with the sliding base 210. The positioning assembly 220 can move left and right along the sliding base 210 as a whole or can move back and forth along a direction extending perpendicular to the sliding base 210 under the adjusting action of the adjusting sliding table 222. Further, the positioning bracket 221 is further provided with a first air cylinder 223, and the first air cylinder 223 is connected with the pressing jaw assembly 230. The presser foot assembly 230 is movable up and down in the vertical direction by the driving of the first air cylinder 223.

The pressing jaw assembly 230 includes a fixed block 224 connected to the first cylinder 223, and a sliding groove 225 is formed in the fixed block 224, and the extending direction of the sliding groove 225 is the same as that of the sliding base 210. Two adjusting seats 231 are symmetrically arranged on the sliding groove 225, and the adjusting seats 231 are respectively connected with a pressing claw 240. The adjusting seat 231 can move left and right along the sliding groove 225 in the horizontal direction, so as to adjust the relative positions of different pressing claws 240 in the same positioning assembly 220, and meet the requirements of different lugs 400.

Further, fig. 3 shows a partial schematic structure of the pressing claw 240. As shown in fig. 3, the pressing jaw 240 includes a pressing jaw body 241 and a pressing portion 242. In this embodiment, the pressing parts 242 are symmetrically disposed at the left and right sides of the pressing claw body 241 for positioning the tab 400. The lower end of the pressing portion 242 is provided with a first avoidance structure 2421, the first avoidance structure 2421 is recessed from the lower end of the pressing portion 242 to the upper side, and when the pressing portion 242 of the pressing claw 240 and the welding platform mechanism 300 clamp the tab 400, the first avoidance structure 2421 enables the pressing claw 240 to clamp only the edge of the tab 400, so as to avoid damage to other parts of the tab 400. Similarly, the space between the pressing parts 242 ensures that the pressing parts 242 position the tabs 400 and reduces damage to the tabs 400. Further, a second avoidance structure 2422 is further provided on a side surface of the pressing portion 242, and the second avoidance structure 2422 is a chamfer structure. The second avoidance structure 2422 has an inclined surface near the end of the clamping surface, when the pressing portion 242 and the welding platform mechanism 300 clamp the tab 400, the inclined surface is far away from the clamping surface, and the chamfered corner is also far away from the clamping surface, so that the possible scratch or other damage to the tab 400 and the component connected with the tab 400, such as the battery cell body, caused by the pressing portion 242 is further avoided.

In particular, the pressing claws 240 of different positioning assemblies 220 have different structures for accommodating different types of tabs 400. In this embodiment, the pressing portions 242 of the same pressing claw 240 have a space therebetween, and the spaces between the pressing portions 242 of different positioning assemblies 220 are different to adapt to different types of the lugs 400. The welding positioning device provided in this embodiment includes a first positioning assembly 220 and a second positioning assembly 220, where the spacing between the pressing portions 242 of the pressing claws 240 in the second positioning assembly 220 is greater than the spacing between the pressing portions 242 of the pressing claws 240 in the first positioning assembly 220. Of course, the differences in the configuration of the press jaw 240 between the different positioning assemblies 220 are not limited thereto. In some embodiments, the number of the pressing claws 240 in the positioning assembly 220 may be different, the structural configuration of the pressing portion 242 may be different, or the distribution positions of the pressing portion 242 may be different, which is not illustrated herein, and the relevant modifications of the pressing claw assembly 230 according to the different tabs 400 by the person skilled in the relevant arts are consistent with the scope of the "different pressing claws 240" described in this embodiment.

Fig. 4 shows a partial schematic view of the weld fixture. Referring to fig. 1 and 4 in combination, below the presser foot assembly 230 of the positioning mechanism 200 is a weld platform mechanism 300. In the present embodiment, the welding platform mechanism 300 includes a pressing block 310 and a second cylinder 320, and the second cylinder 320 is connected to the pressing block 310 and drives the pressing block 310 to move up and down in the vertical direction. The compression block 310 is provided with a compression surface 311, a product such as a battery cell abuts against the compression block 310, and the tab 400 connected with the battery cell is placed on the compression surface 311. In operation, as the first cylinder 223 and the second cylinder 320 are driven, the pressing jaw assembly 230 and the pressing block 310 are close to each other, and a tab clamping position is formed between the pressing surface 311 and the pressing jaw 240, so as to clamp and position the tab 400. After the positioning mechanism 200 and the welding platform mechanism 300 complete positioning of the tab 400, the laser device (not labeled in the figure) emits laser toward the tab 400, so as to connect the tab 400 with the bonding pad.

Further, when the tab 400 to be welded and positioned is changed, the adaptive positioning assembly 220 is moved according to the structure of the tab 400, and the positioning assembly 220 is moved to the working position corresponding to the welding platform mechanism 300 along the sliding base 210, so that the welding and positioning device can be changed. The mode of changing the mold obviously saves time and economic cost required by changing the mold and improves production efficiency.

It should be noted that, in order to further avoid the tab 400 from being damaged during the tab 400 clamping process, the pressing claw assembly 230 further includes a buffer member 250, and the buffer member 250 is connected to the pressing claw 240. Referring back to fig. 1, in this embodiment, the buffer member 250 is a spring, and the buffer member 250 can adjust the pressure of the pressing claw 240 when moving in the vertical direction, so as to avoid the pressing claw 240 from damaging the tab 400 due to excessive pressure. The buffer member 250 effectively reduces the rejection rate of the tab 400 in the process of positioning welding.

In particular, in this embodiment, the compression block 310 is provided with four compression surfaces 311, the compression surfaces 311 are disposed along the circumferential side of the compression block 310, the compression surfaces 311 are provided with tapers, and the tapers of different compression surfaces 311 may be different, so as to further satisfy the requirements of different types of tabs 400.

In addition, in some embodiments, the welding positioning device may be further provided with a CCD camera, a laser positioning device, or other structures for detecting the position of the tab 400, so as to improve the accuracy of positioning the tab 400 on the pressing block 310. Or when the position of the detection lug 400 at the compression block 310 is accurate, the first air cylinder 223 and the second air cylinder 320 are automatically driven, so that clamping and positioning are realized, and the automation degree of the welding and positioning device is improved. It will be appreciated that those skilled in the relevant art will recognize that alternatives and modifications may be made to the welding positioning apparatus as described herein.

In summary, the present embodiment provides a welding positioning device, which is provided with at least two positioning assemblies 220, wherein different positioning assemblies 220 are provided with pressing claws 240 adapted to different lugs 400. When the lug 400 is subjected to the mold change, the welding positioning device moves the matched positioning assembly 220 to the station, so that the mold change is completed. The process does not require disassembly of the positioning assembly 220, greatly shortens time and economic costs, and has versatility in welding with different lugs 400.

Example 2

Referring to fig. 1 to 4, the welding positioning apparatus of the present embodiment is the same as that of embodiment 1 as a whole, and the structure of the presser finger assembly 230 is further optimized on the basis of embodiment 1. This embodiment is the same as embodiment 1, and reference is made to embodiment 1, and the improvement will be further described below.

As shown in fig. 4, the press jaw assembly 230 further includes a first air blowing assembly 260. The first air blowing component 260 is connected with an air source (not labeled in the figure), and the first air blowing component 260 comprises an air blowing pipe 261, and an air blowing port of the air blowing pipe 261 is close to the lug clamping position. In this embodiment, the air source of the first air blowing component 260 is nitrogen, and the nitrogen is used as a protective gas, which can be used to isolate oxygen in air, prevent oxidation of metal in the welding process, improve weldability, and ensure stability of the welded structure. Therefore, when the tab 400 is positioned by the positioning mechanism 200 and the welding platform mechanism 300 and welding is required, the first blowing assembly 260 delivers nitrogen through the blowing pipe 261 to optimize welding quality. Of course, the gas output from the first blowing unit 260 is not limited to nitrogen, and other gases having a protective effect may be used.

In addition, the first blowing unit 260 further includes an adjusting portion 262, and the position of the first blowing unit 260 with respect to the pressing jaw 240 is adjusted by the knob adjusting portion 262. In the present embodiment, the adjusting part 262 may adjust the first blowing assembly 260 to move left and right in the horizontal direction.

Example 3

Referring to fig. 1 to 4, the welding fixture of the present embodiment is the same as that of embodiment 1 as a whole, and the structure of the presser finger assembly 230 is further optimized on the basis of embodiment 2. The same points as embodiment 1 or embodiment 2 refer to embodiment 1 and embodiment 2, and modifications will be further described below.

Referring to fig. 3 and 4, in the present embodiment, the positioning assembly 220 further includes a second air blowing assembly 270. The second blowing unit 270 is disposed in parallel with the first blowing unit 260, and the second blowing unit 270 is provided with a blowing pipe 261 (not shown) connected with the presser finger 240. The pressing jaw 240 is provided with a blowing hole 243 on the pressing jaw body 241, and the gas supplied from the second blowing unit 270 is outputted from the blowing hole 243. The blow holes 243 are located between the pressing portions 242.

Before or after the welding of the tab 400, the second blowing assembly 270 is started, and gas is output through the blowing hole 243 to blow away impurities on the tab 400, so that the effects of dust removal and impurity removal are achieved, the welding quality and the cleanliness of the tab 400 are ensured, and the tab 400 and related products after the welding are facilitated to enter the next procedure. The kind of gas outputted from the second blowing unit 270 is not particularly limited herein.

Of course, in some embodiments, a dust recycling device may be further disposed below the welding platform, so as to further optimize the cleanliness of the station where the welding positioning device is located, which is not described herein.

The foregoing embodiment numbers of the present utility model are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. A welding positioning device, comprising: a positioning mechanism (200) and a welding platform mechanism (300),

the positioning mechanism (200) comprises a sliding base (210) and at least two positioning assemblies (220), wherein the positioning assemblies (220) are connected to the sliding base (210) in a sliding manner, the positioning assemblies (220) are provided with pressing claws (240) for positioning lugs (400), and the pressing claws (240) of different positioning assemblies (220) are matched with different lugs (400);

the welding platform mechanism (300) comprises a pressing block (310), and a lug clamping position is formed between the pressing block (310) and the pressing claw (240).

2. The welding positioning device according to claim 1, wherein the pressing claw (240) includes a pressing claw body (241) and a pressing portion (242), the pressing portion (242) being provided on the pressing claw body (241).

3. Welding positioning device according to claim 2, characterized in that the press jaw (240) is provided with at least two press portions (242), wherein a distance exists between the press portions (242), and wherein the distance between the press jaws (240) of different positioning assemblies (220) is different.

4. Welding positioning device according to claim 2, characterized in that the pressing part (242) is provided with a first clearance structure (2421) at the end near the pressing block (310).

5. The welding positioning device according to claim 1, wherein the positioning assembly (220) further comprises an adjustment slide (222) for adjusting the position of the positioning assembly (220), the adjustment slide (222) being movably connected to the slide base (210).

6. The welding positioning device according to claim 1, wherein the positioning assembly (220) further comprises a first air blowing assembly (260), the first air blowing assembly (260) comprising an air blowing pipe (261), an air blowing port of the air blowing pipe (261) being close to the tab (400) clamping position.

7. The welding positioning device according to claim 6, wherein the first blowing assembly (260) further comprises an adjusting portion (262) for adjusting the horizontal position of the blowing pipe (261).

8. The welding positioning device according to claim 1, characterized in that the positioning assembly (220) further comprises a second blowing assembly (270), the pressing jaw (240) being provided with a blowing aperture (243), the second blowing assembly (270) being connected with the blowing aperture (243).

9. The welding positioning device according to claim 1, wherein the positioning assembly (220) further comprises a buffer (250), the buffer (250) being connected with the press jaw (240).

10. Welding positioning device according to claim 1, characterized in that the pressure block (310) is provided with at least two pressure surfaces (311) for forming the tab holding position with the pressure claw (240).