CN207358443U - A kind of prewelding welding fixture of rectangular cell cover board and shell - Google Patents
A kind of prewelding welding fixture of rectangular cell cover board and shell Download PDFInfo
- Publication number
- CN207358443U CN207358443U CN201721239466.2U CN201721239466U CN207358443U CN 207358443 U CN207358443 U CN 207358443U CN 201721239466 U CN201721239466 U CN 201721239466U CN 207358443 U CN207358443 U CN 207358443U
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- cover board
- rectangular cell
- shell
- briquetting
- welding fixture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of prewelding welding fixture of rectangular cell cover board and shell, the welding fixture includes cover board briquetting and the firm banking for fixing rectangular cell shell, the cover board briquetting is hingedly arranged at the top of firm banking with firm banking, and four conical through-holes corresponding with the four edges of rectangular cell cover board respectively are at least offered on the cover board briquetting；The utility model is when square shaped battery cover board and shell carry out pre-welding, pressed by cover board briquetting in the upper surface of rectangular cell cover board, laser is penetrated other side pond battery cover board by the through hole on cover board briquetting and carry out pre-welding with shell, first respectively burn-on a bit in the surrounding junction of rectangular cell cover board and shell, then remove after cover board briquetting that the surrounding junction of square shaped battery cover board and shell carries out integral solder again, since rectangular cell cover board and shell are in press fitting state in pre-welding, so as to reduce the dislocation between cover board and shell, improve the flatness and welding quality of battery.
Description
Technical field
It the utility model is related to welding battery technical field, and in particular to a kind of pre-welding of rectangular cell cover board and shell
Fixture.
Background technology
Lithium ion battery is a kind of secondary cell (rechargeable battery), it relies primarily on lithium ion and moves between a positive electrode and a negative electrode
Move and carry out work.In charge and discharge process, Li+ embedded and deintercalations back and forth between two electrodes：During charging, Li+ from cathode deintercalation,
Anode is embedded in by electrolyte, anode is in rich lithium state；It is then opposite during electric discharge.
Lithium ion battery is extensive due to having the advantages that light-weight, small, capacitance is larger, charging rate is very fast
Applied on all kinds of digital, communication products such as notebook, computer.And the lithium ion battery that these occasions use at present, it is usually
Rectangular lithium ion battery, the rectangular lithium ion battery generally comprise housing and be contained in housing positive and negative anodes pole piece, membrane and
Electrolyte, pole piece is equipped with lug, shell one end opening, and is covered and be open by cover board, passes through laser welding between shell cover and housing
Form sealing structure；But the prior art is in the laser beam welding of rectangular lithium ion battery, due between cover board and shell
Dislocation is easily produced, and it is bigger than normal to misplace, and makes flatness poor, influences welding quality.
Utility model content
In order to overcome the above-mentioned problems of the prior art, the main purpose of the utility model is that providing one kind can subtract
Dislocation between small rectangular cell cover board and shell, so as to improve rectangular cell cover board and the pre-welding folder of shell welding quality
Tool.
To achieve these goals, the utility model specifically uses following technical scheme：
The utility model provides the prewelding welding fixture of a kind of rectangular cell cover board and shell, including cover board briquetting and for solid
Determine the firm banking of rectangular cell shell, the cover board briquetting is arranged at the top of the firm banking, and the cover board pressure
Four through holes are at least offered on block, when square shaped battery cover board and shell carry out pre-welding, the cover board briquetting press in
The upper surface of the rectangular cell cover board, the through hole correspond respectively to the four edges of the rectangular cell cover board.
Preferably, the side of the cover board briquetting is hinged by articulated shaft and the firm banking.
Preferably, electric turnover mechanism is further included, the electric turnover mechanism is fixedly arranged on the firm banking, for driving
The cover board briquetting is overturn around the articulated shaft.
Preferably, the electric turnover mechanism includes electric rotating machine, and the electric rotating machine is fixed on the firm banking, uses
Rotated in driving the articulated shaft so as to drive the cover board briquetting to be overturn around the articulated shaft.
Preferably, the electric turnover mechanism further includes first gear and second gear, and the first gear is fixed on institute
One end of articulated shaft is stated, the second gear is fixed on the shaft of the electric rotating machine, the first gear and second tooth
Wheel engagement.
Preferably, the electric turnover mechanism includes linear electric machine and push rod, and the linear electric machine is arranged at the fixation
Base, one end of the push rod are connected with the linear electric machine, and the other end of the push rod is hinged with the cover board briquetting.
Preferably, the through hole is arranged to bellmouth, and the top aperture of the bellmouth is more than lower part aperture.
Preferably, the through hole is provided with four, and is symmetric.
Preferably, limiting slot corresponding with the rectangular cell shell is offered on the firm banking.
Preferably, it is arranged with rubber pad in the limiting slot.
The prewelding welding fixture of the utility model includes cover board briquetting and the firm banking for fixing rectangular cell shell, institute
State the top that cover board briquetting is arranged at the firm banking, and at least offered on the cover board briquetting four respectively with it is square
The corresponding through hole of four edges of battery cover board；Compared with the prior art, the utility model square shaped battery cover board and shell into
During row pre-welding, pressed by cover board briquetting in the upper surface of the rectangular cell cover board, make laser by logical on cover board briquetting
Hole penetrates square shaped battery cover board and carries out pre-welding with shell, i.e., in the first each weldering of the surrounding junction of rectangular cell cover board and shell
On a bit, then remove after cover board briquetting that the surrounding junction of square shaped battery cover board and shell carries out integral solder again, due to
Rectangular cell cover board is in press fitting state in pre-welding with shell, so as to reduce the mistake between rectangular cell cover board and shell
Position, improves the flatness and welding quality of battery.
Brief description of the drawings
Fig. 1 is the pre-welding clamp structure schematic diagram of the utility model embodiment 1；
Fig. 2 is another angle schematic diagram of pre-welding clamp structure of the utility model embodiment 1；
Fig. 3 is the cover board briquetting sectional view of the utility model embodiment 1；
Fig. 4 is the pre-welding clamp structure schematic diagram of the utility model embodiment 2；
Fig. 5 is the pre-welding clamp structure schematic diagram of the utility model embodiment 3；
In figure：1st, firm banking；11st, limiting slot；2nd, cover board briquetting；21st, through hole；22nd, handle；3rd, connection component；31st, cut with scissors
Joint chair；311st, boss；32nd, side wall；33rd, articulated shaft；34th, linking arm；4th, rubber pad；5th, electric turnover mechanism；51st, electric rotating
Machine；52nd, second gear；53rd, first gear；54th, push rod；55th, linear electric machine.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, present embodiment discloses a kind of rectangular cell cover board and the prewelding welding fixture of shell, pre-welding folder
Tool includes firm banking 1 and cover board briquetting 2, and the side of firm banking 1 offers limiting slot 11, cover board briquetting 2 and firm banking 1
It is hinged and is arranged at the top of firm banking 1.And four four edges pair with battery cover board respectively are offered on cover board briquetting 2
The through hole 21 answered.
When square shaped battery cover board and shell carry out pre-welding, the rectangular cell shell and cover board that assemble are positioned over
In limiting slot 11, rectangular cell shell is fixed by limiting slot 11, then by cover board briquetting 2 to the direction of firm banking 1
Upset, makes cover board briquetting 2 press in the upper surface of the battery cover board on rectangular cell shell, makes laser by cover board briquetting 2
Through hole 21 penetrates square shaped battery cover board and carries out pre-welding with shell, i.e., first in the surrounding junction of rectangular cell cover board and shell
Respectively burn-on a bit.Treat that pre-welding is completed, cover board briquetting 2 is overturn to the direction away from firm banking 1, moves to cover board briquetting 2
Opposite side, then the surrounding junction of square shaped battery cover board and shell carries out integral solder again.
As shown in Fig. 2, the prewelding welding fixture further includes connection component 3, connection component 3 includes hinged seat 31, side wall 32, hinge
Spindle 33 and linking arm 34.Wherein, hinged seat 31 is fixedly installed on firm banking 1, and is located at the same side with limiting slot 11.Side wall
32 are provided with two, and are relatively fixed the upper surface for being arranged at hinged seat 31.One end of linking arm 34 is fixed with cover board briquetting 2
Connection, the other end of linking arm 34 is hinged between two side 32, and by articulated shaft 33 and two side 32, so that cover board
Briquetting 2 can be overturn around articulated shaft 33.
In the present embodiment, handle 22 is additionally provided with the upper surface of cover board briquetting 2, can be easily turned over by handle 22
Hub cap plate briquetting 2.
As shown in figure 3, through hole 21 is arranged to, top aperture is big, and the small conical through-hole in lower part aperture, so can both facilitate
When welding position is directed at during laser welding, facilitates spot welding, while also reducing laser welding caused heat to battery cover board its
Infringement caused by his non-solder position.
In addition, through hole 21 is provided with four, and it is symmetric, so when carrying out pre-welding, the position of spot welding is side
The four edges midpoint of shape cover board or four angles, fixed is better.
Embodiment 2
The prewelding welding fixture of the present embodiment and the pre-welding clamp structure of embodiment 1 are essentially identical, and difference lies in this reality for it
The prewelding welding fixture for applying example further includes electric turnover mechanism 5, which is fixedly installed on hinged seat 31, for driving
Dynamic cover board briquetting 2 is overturn around articulated shaft 33, and the upper surface of cover board briquetting 2 is not provided with handle 22.
As shown in figure 4, electric turnover mechanism 5 includes electric rotating machine 51, first gear 53 and second gear 52.Hinged seat 31
Upper surface be provided with boss 311, electric rotating machine 51 is fixedly installed on boss 311, and first gear 53 be fixedly installed on it is hinged
One end of axis 33, second gear 52 is fixedly installed on the shaft of electric rotating machine 51, and first gear 53 and second gear 52 are nibbled
Close.
When square shaped battery cover board and shell carry out pre-welding, the rectangular cell shell and cover board that assemble are positioned over
In limiting slot 11, rectangular cell shell is fixed by limiting slot 11, then by electric rotating machine 51 drive cover board briquetting 2 to
The direction upset of firm banking 1, makes cover board briquetting 2 press the battery cover board above rectangular cell shell, makes laser by cover board
Through hole 21 on briquetting 2 penetrates square shaped battery cover board and shell and carries out pre-welding, i.e. four in rectangular cell cover board and shell
First respectively burn-on a bit all junctions.Treat that pre-welding is completed, cover board briquetting 2 is driven to away from firm banking 1 by electric rotating machine 51
Direction upset, cover board briquetting 2 is moved to opposite side, then again the surrounding junction of square shaped battery cover board and shell carry out it is whole
Body welds.
And in other embodiments, electric turnover mechanism 5 can also include electric rotating machine, belt, driving wheel and driven wheel.
Wherein, electric rotating machine is fixedly installed on boss 311, and driving wheel is arranged at the shaft of electric rotating machine, and driven wheel is arranged at articulated shaft
33 one end, and driving wheel is connected with driven wheel by belt transmission, so as to drive driving wheel, driven wheel by electric rotating machine
Rotation is so as to drive cover board briquetting 2 to be overturn around articulated shaft 33.
In the present embodiment, rubber pad 4 is additionally provided with, rubber pad 4 is sheathed on the inner wall of limiting slot 11 by bonding, prevented
The inner wall scratch rectangular cell shell of limiting slot 11, while folder can be formed with square shaped battery case by the elasticity of rubber pad 4
The effect of holding, makes rectangular cell shell be fixed more steady, in addition when rubber pad 4 is worn, only needs to change rubber pad 4,
Make fixture more robust.
Embodiment 3
The prewelding welding fixture of the present embodiment and the pre-welding clamp structure of embodiment 1 are essentially identical, and difference lies in this reality for it
The prewelding welding fixture for applying example further includes electric turnover mechanism 5, which is fixedly installed on hinged seat 31, for driving
Dynamic cover board briquetting 2 is overturn around articulated shaft 33, and the upper surface of cover board briquetting 2 is not provided with handle 22.
As shown in figure 5, electric turnover mechanism 5 includes push rod 54 and the linear electric machine for 54 stretching motion of driving push rod
55, linear electric machine 55 is arranged at hinged seat 31, and one end of push rod 54 is connected with linear electric machine 55, the other end of push rod 54 and connection
Arm 34 is hinged.
When the cover board of square shaped battery carries out pre-welding with shell, the rectangular cell shell assembled and cover board are placed
In in limiting slot 11, be retracted by 55 driving push rod 54 of linear electric machine to the direction of firm banking 1, make cover board briquetting 2 press in
The upper surface of rectangular cell cover board, make laser by the 21 square shaped battery case of through hole that is opened up on cover board briquetting 2 and cover board into
Row pre-welding.Treat that pre-welding is completed, stretched out by 55 driving push rod 54 of linear electric machine to the direction away from firm banking 1, make lid
Plate briquetting 2 to away from firm banking 1 direction overturn, cover board briquetting 2 is moved to opposite side, then again square shaped battery cover board with
The surrounding of shell carries out overall welding.
In the present embodiment, rubber pad 4 is additionally provided with, rubber pad 4 is sheathed on the inner wall of limiting slot 11 by bonding, prevented
The inner wall scratch rectangular cell shell of limiting slot 11, while folder can be formed with square shaped battery case by the elasticity of rubber pad 4
The effect of holding, makes rectangular cell shell be fixed more steady, in addition when rubber pad 4 is worn, only needs to change rubber pad 4,
Make fixture more robust.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to scope of the claims.
Claims (10)
1. the prewelding welding fixture of a kind of rectangular cell cover board and shell, it is characterised in that including cover board briquetting and for fixation side
The firm banking of shape battery case, the cover board briquetting are arranged at the top of the firm banking, and on the cover board briquetting
Four through holes are at least offered, when square shaped battery cover board and shell carry out pre-welding, the cover board briquetting presses in described
The upper surface of rectangular cell cover board, the through hole correspond respectively to the four edges of the rectangular cell cover board.
A kind of 2. prewelding welding fixture of rectangular cell cover board and shell according to claim 1, it is characterised in that the cover board
The side of briquetting is hinged by articulated shaft and the firm banking.
3. a kind of prewelding welding fixture of rectangular cell cover board and shell according to claim 2, it is characterised in that further include electricity
Dynamic switching mechanism, the electric turnover mechanism is fixedly arranged on the firm banking, for driving the cover board briquetting around described hinged
Axis is overturn.
4. a kind of prewelding welding fixture of rectangular cell cover board and shell according to claim 3, it is characterised in that described electronic
Switching mechanism includes electric rotating machine, and the electric rotating machine is fixed on the firm banking, for drive articulated shaft rotation from
And the cover board briquetting is driven to be overturn around the articulated shaft.
5. a kind of prewelding welding fixture of rectangular cell cover board and shell according to claim 4, it is characterised in that described electronic
Switching mechanism further includes first gear and second gear, and the first gear is fixed on one end of the articulated shaft, and described second
Gear is fixed on the shaft of the electric rotating machine, the first gear and second gear engagement.
6. a kind of prewelding welding fixture of rectangular cell cover board and shell according to claim 3, it is characterised in that described electronic
Switching mechanism includes linear electric machine and push rod, and the linear electric machine is arranged at the firm banking, one end of the push rod and institute
Linear electric machine connection is stated, the other end of the push rod is hinged with the cover board briquetting.
A kind of 7. prewelding welding fixture of rectangular cell cover board and shell according to claim 1, it is characterised in that the through hole
Bellmouth is arranged to, the top aperture of the bellmouth is more than lower part aperture.
A kind of 8. prewelding welding fixture of rectangular cell cover board and shell according to claim 1, it is characterised in that the through hole
Four are provided with, and is symmetric.
9. according to a kind of claim 1 to 8 any of which item rectangular cell cover board and the prewelding welding fixture of shell, its feature
It is, limiting slot corresponding with the rectangular cell shell is offered on the firm banking.
A kind of 10. prewelding welding fixture of rectangular cell cover board and shell according to claim 9, it is characterised in that the limit
Rubber pad is arranged with the groove of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239466.2U CN207358443U (en) | 2017-09-25 | 2017-09-25 | A kind of prewelding welding fixture of rectangular cell cover board and shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239466.2U CN207358443U (en) | 2017-09-25 | 2017-09-25 | A kind of prewelding welding fixture of rectangular cell cover board and shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207358443U true CN207358443U (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721239466.2U Active CN207358443U (en) | 2017-09-25 | 2017-09-25 | A kind of prewelding welding fixture of rectangular cell cover board and shell |
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|---|---|
| CN (1) | CN207358443U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551146A (en) * | 2017-09-25 | 2019-04-02 | 河北银隆新能源有限公司 | A kind of prewelding welding fixture of rectangular cell cover board and shell |
| CN109570756A (en) * | 2018-12-26 | 2019-04-05 | 江苏省宜兴电子器件总厂有限公司 | A kind of thin type solder sheet and metalwork pre-fix method |
| CN109822247A (en) * | 2019-02-22 | 2019-05-31 | 株洲联诚集团控股股份有限公司 | Electrical cubicle cover board spot-welding technology |
| DE102022115246A1 (en) | 2022-06-20 | 2023-12-21 | Volkswagen Aktiengesellschaft | Mounting device for a battery |
-
2017
- 2017-09-25 CN CN201721239466.2U patent/CN207358443U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551146A (en) * | 2017-09-25 | 2019-04-02 | 河北银隆新能源有限公司 | A kind of prewelding welding fixture of rectangular cell cover board and shell |
| CN109570756A (en) * | 2018-12-26 | 2019-04-05 | 江苏省宜兴电子器件总厂有限公司 | A kind of thin type solder sheet and metalwork pre-fix method |
| CN109570756B (en) * | 2018-12-26 | 2021-06-11 | 江苏省宜兴电子器件总厂有限公司 | Method for pre-fixing thin solder sheet and metal piece |
| CN109822247A (en) * | 2019-02-22 | 2019-05-31 | 株洲联诚集团控股股份有限公司 | Electrical cubicle cover board spot-welding technology |
| DE102022115246A1 (en) | 2022-06-20 | 2023-12-21 | Volkswagen Aktiengesellschaft | Mounting device for a battery |
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