CN220073621U

CN220073621U - Aluminum palladium compacting structure for laser welding

Info

Publication number: CN220073621U
Application number: CN202321538924.8U
Authority: CN
Inventors: 何泽川
Original assignee: Hengchuan Laser Technology Xiangyang Co ltd
Current assignee: Hengchuan Laser Technology Xiangyang Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-11-24
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to an aluminum palladium compacting structure for laser welding, which comprises: a bracket; the pressing assembly comprises a driving piece, an elastic supporting plate and a first pressing head, wherein the driving piece is arranged on the bracket, the driving piece is connected with the elastic supporting plate, and the first pressing head is arranged at the bottom of the elastic supporting plate; the elastic supporting plate comprises a supporting plate, two groups of inserting rods, a mounting plate and two groups of springs, wherein the supporting plate is connected with a driving piece, two groups of slots are formed in the supporting plate, the inserting rods are inserted into the corresponding slots, and the supporting plate is arranged between the bottoms of the two groups of inserting rods.

Description

Aluminum palladium compacting structure for laser welding

Technical Field

The utility model relates to the technical field of lithium battery welding, in particular to an aluminum palladium compacting structure for laser welding.

Background

The laser welding utilizes high-energy laser pulse to locally heat the material in a micro-area, and the energy of laser radiation is guided to the internal diffusion of the material through heat transfer to form a specific molten pool after the material is melted, so that the laser welding has the advantages of high positioning precision and easiness in realizing automation.

In the prior art, aluminum-palladium welding is performed on a lithium battery pole by using a laser welding machine, the lithium battery pole is usually pressed and fixed during welding, and when in actual use, the position of a laser welding head is required to be finely adjusted by using a distance measuring device so as to accurately position a welding point, so that the welding efficiency is improved, but the conventional pressing device is used for hard pressing of the lithium battery pole, damage is caused to the pole surface in the clamping process, and meanwhile, the laser distance measuring head is finely adjusted, so that the lithium battery pole is possibly scratched in the process of accurately welding the welding point.

In view of the above problems, an aluminum palladium compacting structure for laser welding is now designed.

Disclosure of Invention

The embodiment of the utility model provides an aluminum palladium compacting structure for laser welding, which aims to solve the problems that in the prior art, compacting equipment generally presses a pole of a lithium battery hard, the surface of the pole is damaged in the clamping process, and meanwhile, the pole of the lithium battery is scratched in the process of fine adjustment of a laser ranging head and accurate welding.

In a first aspect, there is provided an aluminum palladium compacting structure for laser welding, comprising:

a bracket;

the pressing assembly comprises a driving piece, an elastic supporting plate and a first pressing head, wherein the driving piece is arranged on the bracket, the driving piece is connected with the elastic supporting plate and is used for driving the elastic supporting plate to lift, and the first pressing head is arranged at the bottom of the elastic supporting plate;

the elastic support plate comprises a support plate, two groups of inserted bars, a mounting plate and two groups of springs, wherein the support plate is connected with a driving piece, two groups of slots are formed in the support plate, the inserted bars are inserted into the corresponding slots, the support plate is arranged between the bottoms of the two groups of inserted bars, the springs are arranged inside the slots, and the bottom ends of the springs are connected with the inserted bars.

In some embodiments, the bottom of mounting panel is equipped with the holding tank, has seted up first screw hole on the lateral wall of mounting panel, and first press the head and be located the holding tank inside, and first press the head and pass through bolted connection with the mounting panel.

In some embodiments, the first pressing head includes a first frame plate and a fixing block that are connected to each other, the first frame plate is inserted into the accommodating groove, first through holes that are mutually communicated are formed in the first frame plate and the fixing block, and four first clamping grooves that are distributed in a rectangular shape are formed in the bottom of the fixing block;

the first frame plate is provided with a second threaded hole matched with the first threaded hole.

In some embodiments, the driving piece comprises a fixed plate, an air cylinder and a lifting bedplate, the fixed plate is arranged on the bracket, the air cylinder is arranged on the fixed plate, the bottom end of a piston rod of the air cylinder is connected with the lifting bedplate, and the lifting bedplate is shaped;

the bottom of the lifting bedplate is connected with the top of the supporting plate.

In some embodiments, the guide block is fixedly mounted on the top of the support plate, the support plate is positioned between the two sets of inserted bars, a guide hole is formed in the support plate, and the top of the guide block is positioned in the guide hole.

In some embodiments, a laser welding head is also included, the laser welding head being disposed on the bracket.

In some embodiments, the device further comprises a second pressing head, wherein the second pressing head comprises a connecting block and a rectangular block which are connected with each other, second through holes which are communicated with each other are formed in the connecting block and the rectangular block, and four second clamping grooves which are distributed in a rectangular mode are formed in the bottom of the rectangular block;

and a third threaded hole matched with the first threaded hole is formed in the connecting block.

The embodiment of the utility model provides an aluminum palladium compacting structure for laser welding, which is characterized in that an elastic supporting plate and a first pressing head are driven to lift by a driving piece, so that a pole of a lithium battery is pressed and fixed, when a laser welding head performs ranging accurate welding point downward fine adjustment, an inserting rod and the mounting plate are driven to extrude upwards, so that the inserting rod compresses a spring, the mounting plate is elastically contacted with the first pressing head and the pole of the lithium battery, when the laser welding head upward fine adjustment, the inserting rod and the mounting plate lose pressure, the spring is restored to a natural state, the mounting plate and the first pressing head still keep compacting the pole of the lithium battery, the pole of the lithium battery can be kept compacted in the ranging process, the accurate welding operation of the pole of the lithium battery is realized, the damage of the first pressing head to the pole of the lithium battery is avoided, and the welding effect of the lithium battery is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a three-dimensional structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a three-dimensional structure according to an embodiment of the present utility model;

FIG. 3 is a schematic three-dimensional view of an elastic support plate according to an embodiment of the present utility model;

fig. 4 is a three-dimensional schematic diagram of a first pressing head according to an embodiment of the present utility model;

fig. 5 is a three-dimensional schematic diagram of a second pressing head according to an embodiment of the present utility model;

FIG. 6 is a three-dimensional schematic of a mounting plate according to an embodiment of the present utility model;

fig. 7 is a front cross-sectional view of an elastic support plate according to an embodiment of the present utility model.

In the figure: 1. a bracket; 2. a pressing assembly; 21. a driving member; 211. a fixing plate; 212. a cylinder; 213. lifting the bedplate; 22. an elastic support plate; 22a, a slot; 221. a support plate; 222. a rod; 223. a mounting plate; 223a, a receiving groove; 224. a spring; 23. a first pressing head; 231. a first frame plate; 232. a fixed block; 233. a first clamping groove; 4. a guide block; 4a, guide holes; 5. a laser welding head; 6. a second pressing head; 61. a connecting block; 62. rectangular blocks; 63. and a second clamping groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides an aluminum palladium compacting structure for laser welding, which can solve the problems that in the prior art, compacting equipment generally presses a pole of a lithium battery hard, the surface of the pole is damaged in the clamping process, and meanwhile, the pole of the lithium battery is scratched in the process of fine adjustment of a laser ranging head and accurate welding.

Referring to fig. 1-3, an aluminum palladium compacting structure for laser welding includes; the device comprises a bracket 1 and a pressing component 2, wherein the pressing component 2 comprises a driving piece 21, an elastic supporting plate 22 and a first pressing head 23, the driving piece 21 is arranged on the bracket 1, the driving piece 21 is connected with the elastic supporting plate 22 and is used for driving the elastic supporting plate 22 to lift, and the first pressing head 23 is arranged at the bottom of the elastic supporting plate 22; the elastic supporting plate 22 comprises a supporting plate 221, two groups of inserting rods 222, a mounting plate 223 and two groups of springs 224, wherein the supporting plate 221 is connected with the driving piece 21, two groups of inserting grooves 22a are formed in the supporting plate 221, the inserting rods 222 are inserted into the corresponding inserting grooves 22a, the supporting plate 221 is arranged between the bottoms of the two groups of inserting rods 222, the springs 224 are arranged in the inserting grooves 22a, the springs 224 are located above the inserting rods 222, and the bottoms of the springs 224 are connected with the inserting rods 222.

The laser welding head 5 is also included, and the laser welding head 5 is disposed on the bracket 1.

In addition, the number of the set of the plungers 222 and the set of the springs 224 is two.

In the actual use process, the driving piece 21 is started, the driving piece 21 drives the elastic supporting plate 22 and the first pressing head 23 to lift, so that the pole of the lithium battery is pressed and fixed, when the laser welding head 5 performs the downward fine adjustment of the ranging accurate welding point, the external adjusting mechanism drives the laser welding head 5 and the bracket 1 to perform the downward fine adjustment simultaneously, so that the inserting rod 222 and the mounting plate 223 are extruded upwards, the inserting rod 222 is driven to compress the spring 224, the mounting plate 223 and the first pressing head 23 move upwards, and the mounting plate 223 and the first pressing head 23 can elastically contact with the pole of the lithium battery;

when the laser welding head 5 carries out the accurate welding point of range finding and carries out the fine setting upwards, outside adjustment mechanism drives laser welding head 5 and support 1 and carries out the fine setting upwards simultaneously, inserted bar 222 and mounting panel 223 lose pressure, spring 224 resumes natural state, mounting panel 223 and with first press head 23 downwardly moving for first press head 23 still keeps compressing tightly the lithium cell utmost point post, thereby can keep compressing tightly the lithium cell utmost point post at the range finding in-process, avoid first press head to cause the damage to the lithium cell utmost point post.

Specifically, as shown in fig. 6, in this embodiment, the bottom of the mounting plate 223 is provided with a receiving groove 223a, and a side wall of the mounting plate 223 is provided with a first threaded hole, the first pressing head 23 is located inside the receiving groove 223a, and the first pressing head 23 is connected with the mounting plate 223 through a bolt.

In the actual use process, in order to facilitate the replacement of the first pressing head 23, when in use, the first pressing head 23 can be taken out from the inside of the accommodating groove 223a by removing the bolts, and then the welding work can be completed.

Specifically, as shown in fig. 4, the first pressing head 23 in this embodiment includes a first frame plate 231 and a fixing block 232 that are connected to each other, the first frame plate 231 is inserted into the accommodating groove 223a, first through holes that are mutually communicated are formed in the first frame plate 231 and the fixing block 232, and four first clamping grooves 233 that are rectangular in distribution are formed at the bottom of the fixing block 232; the first frame plate 231 is provided with a second threaded hole matched with the first threaded hole.

In the in-service use, contact through fixed block 232 and lithium cell utmost point post, improve the effect of compressing tightly through first draw-in groove 233, first through-hole that communicates each other has been seted up through first frame plate 231 and fixed block 232 are inside can let laser welding head 5's laser beam pass through, carry out aluminium palladium welding to the utmost point post to it is fixed to utilize the bolt to fix first press head 23 to make things convenient for through first frame plate 231, first screw hole and second screw hole.

Acting as a preferred embodiment, the device further comprises a second pressing head 6 which comprises a connecting block 61 and a rectangular block 62 which are connected with each other, wherein second through holes which are communicated with each other are formed in the connecting block 61 and the rectangular block 62, and four second clamping grooves which are distributed in a rectangular manner are formed in the bottom of the rectangular block 62; the connecting block 61 is provided with a third threaded hole which is matched with the first threaded hole.

In actual use, different lithium battery poles can be adapted by replacing the first pressing head 23 and the second pressing head 6 in order to press against different lithium battery poles.

It will be appreciated that the rectangular block 62 and the fixed block 232 in this embodiment are cylindrical, further enhancing the fit range of the first pressing head 23 and the second pressing head 6.

As shown in fig. 2, in the present embodiment, the driving member 21 includes a fixing plate 211, an air cylinder 212, and a lifting platen 213, the fixing plate 211 is disposed on the bracket 1, the air cylinder 212 is disposed on the fixing plate 211, a bottom end of a piston rod of the air cylinder 212 is connected to the lifting platen 213, and the lifting platen 213 has an L shape; the bottom of the elevating platen 213 is connected to the top of the support plate 221.

In actual use, the cylinder 212 drives the lifting platen 213 to move up and down by starting the cylinder 212, so that the supporting plate 221, the mounting plate 223 and the first pressing head 23 can be driven to move up and down, and the pole of the lithium battery is pressed by the first pressing head 23.

Preferably, as shown in fig. 3 and 7, the present embodiment further includes a guide block 4, the guide block 4 is fixedly mounted on top of the support 221, and the support 221 is located between the two sets of inserting rods 222, a guide hole 4a is started in the support 221, and the top of the guide block 4 is located in the guide hole 4a, where the guide block 4 is matched with the guide hole 4 a.

When the laser welding head 5 carries out the accurate welding point of range finding, the inserted link 222 and the mounting plate 223 go up and down, drive the guide block 4 to slide up and down in the guide hole 4a simultaneously, thereby avoid the condition that the inserted link 222 and the mounting plate 223 deviate in the up and down moving process, limit the moving track of the inserted link 222 and the mounting plate 223, thereby avoid the first pressing head 23 to move up and down in the process, because the deviation causes the surface scratch of the pole post of the lithium battery.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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. 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.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An aluminum palladium compacting structure for laser welding, comprising:

a bracket (1);

the pressing assembly (2) comprises a driving piece (21), an elastic supporting plate (22) and a first pressing head (23), wherein the driving piece (21) is arranged on the bracket (1), the driving piece (21) is connected with the elastic supporting plate (22) and is used for driving the elastic supporting plate (22) to lift, and the first pressing head (23) is arranged at the bottom of the elastic supporting plate (22);

the elastic supporting plate (22) comprises a supporting plate (221), two groups of inserting rods (222), a mounting plate (223) and two groups of springs (224), wherein the supporting plate (221) is connected with a driving piece (21), two groups of inserting grooves (22 a) are formed in the supporting plate (221), the inserting rods (222) are inserted into the corresponding inserting grooves (22 a), the supporting plate (221) is arranged between the bottoms of the two groups of inserting rods (222), the springs (224) are arranged inside the inserting grooves (22 a), and the bottoms of the springs (224) are connected with the inserting rods (222).

2. An aluminum palladium compacting structure for laser welding as recited in claim 1, wherein:

the bottom of mounting panel (223) is equipped with holding tank (223 a), has seted up first screw hole on the lateral wall of mounting panel (223), and first press head (23) are located inside holding tank (223 a), and first press head (23) and mounting panel (223) pass through bolted connection.

3. An aluminum palladium compacting structure for laser welding as recited in claim 2, wherein:

the first pressing head (23) comprises a first frame plate (231) and a fixed block (232) which are connected with each other, the first frame plate (231) is inserted into the accommodating groove (223 a), first through holes which are communicated with each other are formed in the first frame plate (231) and the fixed block (232), and four first clamping grooves (233) which are distributed in a rectangular shape are formed in the bottom of the fixed block (232);

a second threaded hole matched with the first threaded hole is formed in the first frame plate (231).

4. An aluminum palladium compacting structure for laser welding as recited in claim 1, wherein:

the driving piece (21) comprises a fixed plate (211), an air cylinder (212) and a lifting bedplate (213), wherein the fixed plate (211) is arranged on the bracket (1), the air cylinder (212) is arranged on the fixed plate (211), the bottom end of a piston rod of the air cylinder (212) is connected with the lifting bedplate (213), and the lifting bedplate (213) is L-shaped;

the bottom of the lifting bedplate (213) is connected with the top of the supporting plate (221).

5. An aluminum palladium compacting structure for laser welding as recited in claim 1, wherein:

the guide block (4) is fixedly mounted at the top of the support plate (221), the support plate (221) is located between the two groups of inserting rods (222), a guide hole (4 a) is formed in the support plate (221), and the top of the guide block (4) is located in the guide hole (4 a).

6. An aluminum palladium compacting structure for laser welding as recited in claim 1, wherein:

the laser welding device further comprises a laser welding head (5), and the laser welding head (5) is arranged on the bracket (1).

7. An aluminum palladium compacting structure for laser welding as recited in claim 1, wherein:

the second pressing head (6) comprises a connecting block (61) and a rectangular block (62) which are connected with each other, second through holes which are communicated with each other are formed in the connecting block (61) and the rectangular block (62), and four second clamping grooves which are distributed in a rectangular mode are formed in the bottom of the rectangular block (62);

and a third threaded hole matched with the first threaded hole is formed in the connecting block (61).