CN210908526U - Battery pack welding device - Google Patents
Battery pack welding device Download PDFInfo
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- CN210908526U CN210908526U CN201921938237.9U CN201921938237U CN210908526U CN 210908526 U CN210908526 U CN 210908526U CN 201921938237 U CN201921938237 U CN 201921938237U CN 210908526 U CN210908526 U CN 210908526U
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- battery pack
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- bottom plate
- pressing plate
- guide post
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- 238000003466 welding Methods 0.000 title claims abstract description 54
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses group battery welding set relates to group battery and makes technical field. The battery pack welding device comprises a laser welder, a driving device, a pressing plate, a limiting block, a base, a bottom plate, a supporting plate, an elastic device and a guide pillar; the guide post is arranged on the supporting plate, the bottom plate is provided with a guide hole, the guide post penetrates through the guide hole, and the bottom plate can move up and down along the guide post; the elastic device is sleeved on the guide post and is positioned below the bottom plate; the base is arranged on the bottom plate and used for placing the battery pack; the driving device is connected with the pressing plate, the pressing plate is positioned above the pole lug of the battery pack, and the limiting block is positioned below the pressing plate; thereby can realize when welding the utmost point ear position of the different utmost point ear of same group battery or the utmost point ear of different group batteries, all can drive all mechanisms by drive arrangement pushes down and pushes down to the fixed limiting position of stopper and weld again to guarantee to treat the stability of welding plane, also stabilized the laser welding focus exactly, stabilized the laser welding effect.
Description
Technical Field
The utility model relates to a technical field is made to the group battery, especially relates to a group battery welding set.
Background
The common soft package battery pack is assembled in a superposition combination mode, a fixed clamp base is placed after the assembly, and then the tabs and the connecting sheets are welded together by using a laser welding technology so as to realize the parallel connection and the series connection between the batteries to form the battery pack.
The distance of the laser head from the welding plane is called the welding focal length. The stable laser welding focal length state is a main factor influencing the laser welding effect. However, when the cells are stacked and assembled, the cells may have a deviation of 1 to 2mm in the alignment direction and in the height and width directions after the assembly. Among the prior art, the anchor clamps base is fixed, leads to different group battery to be in different laser welding focus states when laser welding to influence the stability of laser welding effect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve is how to ensure to carry out the stability of laser welding's effect to each utmost point ear of group battery.
In order to solve the above problems, an embodiment of the present invention provides a battery pack welding device, which includes a laser welder, a driving device, a pressing plate, a limiting block, a base, a bottom plate, a supporting plate, an elastic device, and a guide pillar; the guide post is arranged on the supporting plate, the bottom plate is provided with a guide hole, the guide post penetrates through the guide hole, and the bottom plate can move up and down along the guide post; the elastic device is sleeved on the guide post and is positioned below the bottom plate; the base is arranged on the bottom plate and used for placing a battery pack; the driving device is connected with the pressing plate, the pressing plate is positioned above a pole lug of the battery pack, and the limiting block is positioned below the pressing plate; the driving device is used for driving the pressing plate to press the pole lugs of the battery pack downwards so as to compress the elastic device; and when the pressing plate reaches the position of the limiting block, the laser welder performs laser welding on the pole lug of the battery pack.
The further technical proposal is that the guide post is vertical to the supporting plate.
The further technical proposal is that the bottom plate is parallel to the supporting plate.
The further technical scheme is that the driving device is an air cylinder.
The further technical scheme is that the driving device comprises a motor and a screw rod connected with the motor, and the screw rod is connected with the pressing plate.
The further technical scheme is that the driving device comprises a motor and a cam connected with the motor, and the cam is connected with the pressing plate.
The further technical scheme is that the elastic device is a spring.
The further technical scheme is that the elastic device is a rubber mat.
The battery pack welding device further comprises a workbench, and the support plate is arranged on the workbench.
The further technical scheme is that the number of the guide posts is 4.
The embodiment of the utility model provides a battery pack welding device, which comprises a laser welding device, a driving device, a pressing plate, a limiting block, a base, a bottom plate, a supporting plate, an elastic device and a guide pillar; the guide post is arranged on the supporting plate, the bottom plate is provided with a guide hole, the guide post penetrates through the guide hole, and the bottom plate can move up and down along the guide post; the elastic device is sleeved on the guide post and is positioned below the bottom plate; the base is arranged on the bottom plate and used for placing a battery pack; the driving device is connected with the pressing plate, the pressing plate is positioned above a pole lug of the battery pack, and the limiting block is positioned below the pressing plate; thereby can realize when welding the utmost point ear position of the different utmost point ear of same group battery or the utmost point ear of different group batteries, all can drive all mechanisms by drive arrangement pushes down and pushes down to the fixed limiting position of stopper and weld again to guarantee to treat the stability of welding plane, also stabilized the laser welding focus exactly, stabilized the laser welding effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced 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 any creative effort.
Fig. 1 is a schematic structural diagram of a battery pack welding device according to an embodiment of the present invention.
Reference numerals
The device comprises a laser welding device 1, a driving device 2, a pressure plate 3, a limiting block 4, a base 5, a bottom plate 6, a supporting plate 7, an elastic device 8, a guide pillar 9, a battery pack 10, a tab 11, a tab support 12, a shell 13 and a workbench 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like component numbers represent like components. It is obvious that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Referring to fig. 1, an embodiment of the present invention provides a battery pack welding apparatus, which includes a laser welder 1, a driving device 2, a pressing plate 3, a limiting block 4, a base 5, a bottom plate 6, a supporting plate 7, an elastic device 8, and a guide pillar 9.
The guide post 9 is arranged on the support plate 7, the bottom plate 6 is provided with a guide hole (not shown), the guide post 9 passes through the guide hole, and the bottom plate 6 can move up and down along the guide post 9; the elastic device 8 is sleeved on the guide post 9 and is positioned below the bottom plate 6; the base 5 is arranged on the bottom plate 6, and the base 5 is used for placing a battery pack 10; the driving device 2 is connected with the pressing plate 3, the pressing plate 3 is located above the tab 11 of the battery pack 10, and the limiting block 4 is located below the pressing plate 3. Wherein, the driving device 2 is used for driving the pressing plate 3 to press the tab 11 of the battery pack 10 downwards to compress the elastic device 8; when the pressing plate 3 reaches the position of the limiting block 4, the laser welder 1 performs laser welding on the tabs 11 of the battery pack 10, so that the welding focal length of each tab 11 of the battery pack 10 is ensured to be the same, and the laser welding effect is stabilized.
The working process is explained as follows: before welding, the battery pack 10 (with the shell 13) is placed in the base 5, the driving device 2 presses down to drive the pressing plate 3 to compress the tabs 11 of the battery pack 10, the downward pressure is transmitted to the base 5 through the tabs 11, the tab supports 12, the battery body and the shell 13, and then transmitted to the bottom plate 6 to press down along the direction of the guide pillar 9 and compress the elastic device 8 until the pressing plate 3 is limited by the limiting block 4. At the moment, all mechanisms are pressed down in place, the laser welding device 1 starts to perform laser welding, and the driving device 2 drives the lower pressing plate 3 to ascend after the welding is completed. At this time, the elastic device 8 releases the compression force to drive the bottom plate 6, the base 5 and the battery pack 10 to jack up in the direction of the guide posts 9, so that the base 5 and the battery pack 10 return to the original positions. Like this, all repeat this action before welding at every turn, when welding to 11 positions of the different utmost point ear of same group battery 10 or the utmost point ear 11 of different group battery 10, all can drive all mechanisms by drive arrangement 2 pushes down and push down to the fixed spacing position of stopper 4 and weld again to guarantee to treat the planar stability of welding, also stabilized the laser welding focus, stabilized the laser welding effect.
Further, the guide posts 9 are perpendicular to the support plate 7. The guide posts 9 are perpendicular to the support plate 7 for better force transmission. Further, the bottom plate 6 is parallel to the support plate 7.
Further, the battery pack welding device further comprises a workbench 14, and the support plate 7 is arranged on the workbench 14.
Further, the number of the guide posts 9 is 4. Correspondingly, the number of elastic means 8 is also 4.
In one embodiment, the driving device 2 is a cylinder. The cylinder is connected with the pressure plate 3.
In one embodiment, the driving device 2 includes a motor and a screw connected to the motor, and the screw is connected to the pressing plate 3.
In one embodiment, the driving device 2 includes a motor and a cam connected to the motor, and the cam is connected to the pressing plate 3.
In one embodiment, the elastic means 8 is a spring.
In one embodiment, the elastic device 8 is a rubber pad.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
The above description is for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A battery pack welding device is characterized by comprising a laser welder, a driving device, a pressing plate, a limiting block, a base, a bottom plate, a supporting plate, an elastic device and a guide pillar; the guide post is arranged on the supporting plate, the bottom plate is provided with a guide hole, the guide post penetrates through the guide hole, and the bottom plate can move up and down along the guide post; the elastic device is sleeved on the guide post and is positioned below the bottom plate; the base is arranged on the bottom plate and used for placing a battery pack; the driving device is connected with the pressing plate, the pressing plate is positioned above a pole lug of the battery pack, and the limiting block is positioned below the pressing plate; the driving device is used for driving the pressing plate to press the pole lugs of the battery pack downwards so as to compress the elastic device; and when the pressing plate reaches the position of the limiting block, the laser welder performs laser welding on the pole lug of the battery pack.
2. The battery pack welding apparatus of claim 1, wherein the guide post is perpendicular to the support plate.
3. The battery pack welding apparatus of claim 2, wherein the base plate is parallel to the support plate.
4. The battery pack welding apparatus of claim 1, wherein the drive means is a gas cylinder.
5. The battery pack welding apparatus of claim 1, wherein the drive means comprises a motor and a screw connected to the motor, the screw being connected to the pressure plate.
6. The battery pack welding apparatus of claim 1, wherein the drive means comprises a motor and a cam coupled to the motor, the cam being coupled to the pressure plate.
7. The battery pack welding apparatus of claim 1, wherein the resilient means is a spring.
8. The battery welding apparatus of claim 1, wherein the resilient means is a rubber mat.
9. The battery pack welding apparatus of claim 1, further comprising a table on which the support plate is disposed.
10. The battery pack welding apparatus of claim 1, wherein the number of guide posts is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938237.9U CN210908526U (en) | 2019-11-08 | 2019-11-08 | Battery pack welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938237.9U CN210908526U (en) | 2019-11-08 | 2019-11-08 | Battery pack welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210908526U true CN210908526U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921938237.9U Active CN210908526U (en) | 2019-11-08 | 2019-11-08 | Battery pack welding device |
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| Country | Link |
|---|---|
| CN (1) | CN210908526U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077485A (en) * | 2020-08-10 | 2020-12-15 | 欧海华 | Automatic welding equipment for pole pieces of parallel battery pack |
| CN112404725A (en) * | 2020-12-01 | 2021-02-26 | 武汉逸飞激光股份有限公司 | Tab welding device and method |
-
2019
- 2019-11-08 CN CN201921938237.9U patent/CN210908526U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077485A (en) * | 2020-08-10 | 2020-12-15 | 欧海华 | Automatic welding equipment for pole pieces of parallel battery pack |
| CN112077485B (en) * | 2020-08-10 | 2022-07-29 | 德清泰鑫金属制品有限公司 | Automatic welding equipment for pole pieces of parallel battery pack |
| CN112404725A (en) * | 2020-12-01 | 2021-02-26 | 武汉逸飞激光股份有限公司 | Tab welding device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 628000 Shipan Industrial Park, Guangyuan Economic and Technological Development Zone, Sichuan Province Patentee after: Sichuan Zhongke Ruineng Industrial Co.,Ltd. Country or region after: China Address before: 518000 A9 808, Tian Liao Industrial Zone, Xue Yuan Avenue, Taoyuan street, Shenzhen, Guangdong, China. 808 Patentee before: REAL POWER INDUSTRIAL Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |