CN215747509U - Novel pass through quick-witted lithium ion battery utmost point ear spot welding anchor clamps - Google Patents
Novel pass through quick-witted lithium ion battery utmost point ear spot welding anchor clamps Download PDFInfo
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- CN215747509U CN215747509U CN202122375912.5U CN202122375912U CN215747509U CN 215747509 U CN215747509 U CN 215747509U CN 202122375912 U CN202122375912 U CN 202122375912U CN 215747509 U CN215747509 U CN 215747509U
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Abstract
The utility model provides a novel penetrating machine lithium ion battery electrode lug spot welding clamp which is used for solving the technical problems that the electrode lug welding height and the welding spot position are difficult to control, the error caused by manual and visual deviation is large and the consistency of the welding spot of the electrode lug of a battery core is poor in the existing lithium ion battery electrode lug spot welding process. The utility model designs a circulation clamp and a spot welding clamp, and the circulation clamp is used for limiting and fixing the packaged lithium ion battery, so that the movement and dislocation in the spot welding process are prevented, the position of a welding spot is ensured, and the error is reduced; the spot welding fixture is mounted on the spot welding fixture, the spot welding fixture is fixed to the spot welding fixture in a limiting mode, the spot welding fixture cannot shake when spot welding is guaranteed, spot welding quality is guaranteed, the lug of the lithium ion battery is located on the spot welding fixture, the spot welding fixture limits the lug of the lithium ion battery, welding height of the lug is kept consistent, spot welding positions are conveniently controlled, consistency of welding spots of the lug of the battery core is guaranteed, and spot welding errors are reduced.
Description
Technical Field
The utility model relates to the technical field of lithium ion battery production, in particular to a novel penetrating machine lithium ion battery electrode lug spot welding clamp.
Background
The flexible package lithium ion battery has flexible design and good safety performance. The flexible package battery in the multi-tab structure lamination form has small internal resistance, can present better conductivity, higher rate performance and good cycle performance, can be used for manufacturing a high-capacity power battery, and is applied to the field of power automobiles. In the manufacturing process of the soft-package laminated lithium ion battery, an ultrasonic welding machine is needed to pre-weld a plurality of layers of lugs, redundant lugs exposed at one end of a welding spot are cut, and then the lugs with lug glue are connected for welding.
At present, after the pre-welding of multiple tabs is completed, the tabs are generally hand-held in the process of being connected, and the tabs are placed on the pre-welding point of the battery core for secondary welding. The process is dependent on manual operation, and the conditions of inconsistent heights of positive and negative electrode tabs of the battery core, uneven tab glue positions and the like can occur due to visual errors; further influencing the sealing effect of the top of the battery core, and causing the subsequent unsafety phenomena of liquid leakage and the like of the battery; and it may be difficult to achieve a consistent appearance in size for the same batch of cells due to the difference in solder joint heights.
Therefore, a novel through machine lithium ion battery electrode lug spot welding clamp with accurate height positioning, accurate welding spot position, small welding error and high welding spot consistency is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel penetrating machine lithium ion battery tab spot welding fixture, which aims to solve the technical problems that the tab welding height and the welding spot position are difficult to control, the error caused by manual and visual deviation is large, and the consistency of the welding spot of the tab of a battery cell is poor in the existing lithium ion battery tab spot welding process; secondly, install the circulation anchor clamps on spot welding anchor clamps, spot welding anchor clamps are fixed spacingly to the circulation anchor clamps, and circulation anchor clamps can not take place to rock when guaranteeing the spot welding, guarantee spot welding quality, and lithium ion battery's utmost point ear is located spot welding anchor clamps, and spot welding anchor clamps carry on spacingly to lithium ion battery utmost point ear for the welding height of utmost point ear keeps unanimous, conveniently controls spot welding position, guarantees the uniformity of electric core utmost point ear solder joint, reduces the spot welding error.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
a novel spot welding clamp for a lug of a lithium ion battery of a traversing machine comprises a transfer clamp and a spot welding clamp, wherein the transfer clamp is movably arranged on the spot welding clamp; the circulation clamp comprises a supporting plate and a fixing plate, a placing groove is formed in the upper portion of the supporting plate and matched with the lithium ion battery, the supporting plate is installed on the spot welding clamp, and the fixing plate is connected with the supporting plate through a connecting assembly; the spot welding fixture comprises a spot welding supporting plate, a first placing groove and a second placing groove are formed in the upper portion of the spot welding supporting plate, the supporting plate is installed in the first placing groove, and the second placing groove is matched with a lug of the lithium ion battery.
Furthermore, the coupling assembling includes first magnet and second magnet, and first magnet setting is on the upper portion of backup pad, and the second magnet is located the upper portion of fixed plate, and the position of first magnet matches with the position of second magnet.
Furthermore, the connecting assembly comprises a bolt which passes through a through hole on the fixing plate and is connected with a threaded hole on the supporting plate.
Furthermore, the second placing groove is of an inverted pi-shaped structure, two vertical sections of the second placing groove are matched with two tabs of the lithium ion battery, and a horizontal section of the second placing groove is matched with tab glue of the tabs of the lithium ion battery.
Furthermore, a supporting groove is formed in the lower portion of the spot welding supporting plate, and the position of the supporting groove is matched with the position of the second placing groove.
The utility model has the beneficial effects that:
1. the utility model designs a circulation clamp and a spot welding clamp, and the circulation clamp is used for limiting and fixing the packaged lithium ion battery, so that the movement and dislocation in the spot welding process are prevented, the position of a welding spot is ensured, and the error is reduced; the spot welding fixture is mounted on the spot welding fixture, the spot welding fixture is fixed to the spot welding fixture in a limiting mode, the spot welding fixture cannot shake when spot welding is guaranteed, spot welding quality is guaranteed, the lug of the lithium ion battery is located on the spot welding fixture, the spot welding fixture limits the lug of the lithium ion battery, welding height of the lug is kept consistent, spot welding positions are conveniently controlled, consistency of welding spots of the lug of the battery core is guaranteed, and spot welding errors are reduced.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a support plate according to the present invention.
Fig. 2 is a schematic structural view of the fixing plate of the present invention.
Fig. 3 is a schematic view showing the connection between the supporting plate and the fixing plate according to the present invention.
Fig. 4 is a schematic structural view of a spot welding support plate according to the present invention.
Fig. 5 is a schematic view of the connection of the circulation clamp and the spot welding support plate according to the present invention.
In the figure, 1-support plate, 101-placement groove, 102-first magnet, 2-fixing plate, 201-second magnet, 3-spot welding support plate, 301-first placement groove, 302-second placement groove, 303-support groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
A novel through machine lithium ion battery tab spot welding clamp comprises a transfer clamp and a spot welding clamp, wherein the transfer clamp is movably mounted on the spot welding clamp, and when spot welding of a lithium ion battery tab is carried out, the packaged lithium ion battery is firstly limited and fixed by using the transfer clamp, so that moving and dislocation in the spot welding process are prevented, the position of a welding spot is ensured, and errors are reduced; secondly, install the circulation anchor clamps on spot welding anchor clamps, spot welding anchor clamps are fixed spacingly to the circulation anchor clamps, and circulation anchor clamps can not take place to rock when guaranteeing the spot welding, guarantee spot welding quality, and lithium ion battery's utmost point ear is located spot welding anchor clamps, and spot welding anchor clamps carry on spacingly to lithium ion battery utmost point ear for the welding height of utmost point ear keeps unanimous, conveniently controls spot welding position, guarantees the uniformity of electric core utmost point ear solder joint, reduces the spot welding error.
It is worth to be noted that, in this embodiment, the thickness of the lithium ion battery is relatively thick, after cutting the excessive tab exposed at one end of the welding point, the tab with the remaining length cannot be bent to reach the other side of the lithium ion battery and be spot-welded with the adapter tab, so that the tab with the tab glue can only be welded in a horizontal state, before spot welding, the fillet of the adapter tab is cut off, it is ensured that the tab does not puncture the packaging film in the post-process production process, which causes the occurrence of battery leakage or air expansion, and the production quality of the lithium ion battery is improved.
Specifically, as shown in fig. 1, the circulation clamp includes a support plate 1, a placing groove 101 is arranged on the upper portion of the support plate 1, the placing groove 101 is matched with the lithium ion battery, and the support plate 1 is mounted on the spot welding clamp; as shown in fig. 2, the circulation jig includes a fixing plate 2, and the fixing plate 2 is coupled with a support plate 1 by a coupling assembly. When spot welding of a lithium ion battery tab is carried out, a worker needs to hold the lithium ion battery and weld the tab with tab glue, at the moment, the worker cannot hold the lithium ion battery conveniently, welding errors are easy to generate, and welding consistency is poor; secondly, the fixing plate 2 is connected with the supporting plate 1 through a connecting assembly, and the fixing plate 2 limits the upper part and the lower part of the lithium ion battery, so that the stability of the lithium ion battery during spot welding is further ensured; and finally, installing the structure connecting the supporting plate 1 and the fixing plate 2 on a spot welding fixture for spot welding of the lug, reducing manual errors and ensuring spot welding quality.
It should be noted that, in this embodiment, as shown in fig. 1, the placing slot 101 is communicated with one side of the supporting plate 1, so as to ensure that when the lithium ion battery is placed in the placing slot 101, the lithium ion battery can extend out of the supporting plate 1, and the spot welding of the tab is facilitated.
Specifically, as shown in fig. 1, the connecting assembly includes a first magnet 102, the first magnet 102 being disposed at an upper portion of the support plate 1; as shown in fig. 2, the connecting assembly includes a second magnet 201, the second magnet 201 is located at the upper portion of the fixing plate 2, and the position of the first magnet 102 matches the position of the second magnet 201. As shown in fig. 3, when fixing the lithium ion battery, the fixing plate 2 is covered on the supporting plate 1, and the first magnet 102 and the second magnet 201 generate magnetic attraction, so that the fixing plate 2 is firmly connected with the supporting plate 1 to limit the lithium ion battery, and the lithium ion battery can extend out of one side of the placing groove 101.
It should be noted that in this embodiment, two first magnets 102 are provided on the upper portion of the support plate 1, that is, on both sides of the placement slot 101, the first magnets 102 are circular magnets, and two second magnets 201, which are also circular magnets, are provided at positions where the fixed plate 2 is opposed. In other embodiments of the present invention, the positions and shapes of the first magnet 102 and the second magnet 201 may be adjusted as needed as long as the object of the present invention is achieved.
It should be noted that in other embodiments of the present invention, a bolt or other structure may also be used as the connecting component, such as a through hole provided on the fixing plate 2 and a threaded hole provided on the supporting plate 1, and the bolt is used to pass through the through hole on the fixing plate 2 and connect with the threaded hole on the supporting plate 1.
Further, as shown in fig. 4, the spot welding jig includes a spot welding support plate 3, a first placing groove 301 and a second placing groove 302 are provided on an upper portion of the spot welding support plate 3, as shown in fig. 5, the support plate 1 is mounted in the first placing groove 301, and the second placing groove 302 is matched with the tab of the lithium ion battery. After the lithium ion battery is placed in the placing groove 101 of the supporting plate 1 and the fixing plate 2 is connected with the supporting plate 1, a worker needs to perform tab spot welding, firstly, the supporting plate 1 is placed in the first placing groove 301, so that the worker only needs to hold the spot welding supporting plate 3 by hand, and the manual error in spot welding is further reduced; secondly, the residual tab after cutting the redundant tab exposed at one end of the welding spot on the lithium ion battery is positioned between the first placing groove 301 and the second placing groove 302, and the tab with tab glue needing spot welding is placed in the second placing groove 302, so that the height of the tab with tab glue during spot welding and the consistency of spot welding are ensured.
It should be noted that, in this embodiment, as shown in fig. 4, rounded corners are provided on both the first placing groove 301 and the second placing groove 302, so as to facilitate taking out of the lithium ion battery and the tab after spot welding.
Specifically, as shown in fig. 4, the second placing groove 302 is an inverted pi-shaped structure, two vertical sections of the second placing groove 302 are matched with two tabs of the lithium ion battery, and a horizontal section of the second placing groove 302 is matched with tab glue of the tabs of the lithium ion battery. Two vertical sections carry on spacingly to lithium ion battery's utmost point ear, prevent that it from taking place to remove when spot welding, need not the staff and carry out manual fixed, reduce the spot welding error, guarantee the spot welding quality, and a horizontal segment can carry on spacingly to lithium ion battery's utmost point ear glue, further guarantees the uniformity of spot welding, promotes the spot welding quality.
Further, as shown in fig. 5, the lower portion of the spot welding support plate 3 is provided with a support groove 303, and the position of the support groove 303 matches the position of the second placement groove 302. When the staff carries out spot welding work, handheld spot welding backup pad 3 uses the workstation to support spot welding backup pad 3 through supporting groove 303, stability when further guaranteeing the spot welding.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A novel cross machine lithium ion battery pole lug spot welding clamp is characterized by comprising a transfer clamp and a spot welding clamp, wherein the transfer clamp is movably mounted on the spot welding clamp; the circulation clamp comprises a supporting plate (1) and a fixing plate (2), a placing groove (101) is formed in the upper portion of the supporting plate (1), the placing groove (101) is matched with a lithium ion battery, the supporting plate (1) is installed on the spot welding clamp, and the fixing plate (2) is connected with the supporting plate (1) through a connecting assembly; the spot welding fixture comprises a spot welding supporting plate (3), wherein a first placing groove (301) and a second placing groove (302) are arranged on the upper portion of the spot welding supporting plate (3), the supporting plate (1) is installed in the first placing groove (301), and the second placing groove (302) is matched with a lug of a lithium ion battery.
2. The novel cross machine lithium ion battery pole ear spot welding clamp according to claim 1, characterized in that, the connecting assembly comprises a first magnet (102) and a second magnet (201), the first magnet (102) is arranged on the upper portion of the supporting plate (1), the second magnet (201) is arranged on the upper portion of the fixing plate (2), and the position of the first magnet (102) is matched with the position of the second magnet (201).
3. The novel cross machine lithium ion battery pole lug welding clamp according to claim 1, characterized in that the connecting component comprises a bolt which passes through a through hole on the fixing plate (2) to be connected with a threaded hole on the support plate (1).
4. The novel cross machine lithium ion battery pole lug spot welding clamp according to any one of claims 1 to 3, wherein the second placing groove (302) is of an inverted pi-shaped structure, two vertical sections of the second placing groove (302) are matched with two pole lugs of a lithium ion battery, and a horizontal section of the second placing groove (302) is matched with a pole lug glue of the pole lug of the lithium ion battery.
5. The novel cross machine lithium ion battery pole lug spot welding clamp according to claim 4, characterized in that the lower part of the spot welding support plate (3) is provided with a support groove (303), and the position of the support groove (303) is matched with the position of the second placing groove (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122375912.5U CN215747509U (en) | 2021-09-29 | 2021-09-29 | Novel pass through quick-witted lithium ion battery utmost point ear spot welding anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122375912.5U CN215747509U (en) | 2021-09-29 | 2021-09-29 | Novel pass through quick-witted lithium ion battery utmost point ear spot welding anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215747509U true CN215747509U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122375912.5U Active CN215747509U (en) | 2021-09-29 | 2021-09-29 | Novel pass through quick-witted lithium ion battery utmost point ear spot welding anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215747509U (en) |
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2021
- 2021-09-29 CN CN202122375912.5U patent/CN215747509U/en active Active
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