CN113497309B - Lithium battery electrode series or parallel assembling and welding device - Google Patents
Lithium battery electrode series or parallel assembling and welding device Download PDFInfo
- Publication number
- CN113497309B CN113497309B CN202110878558.XA CN202110878558A CN113497309B CN 113497309 B CN113497309 B CN 113497309B CN 202110878558 A CN202110878558 A CN 202110878558A CN 113497309 B CN113497309 B CN 113497309B
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- supporting seat
- ferromagnetic metal
- magnet
- welding device
- outer end
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
- H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/51—Connection only in series
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/512—Connection only in parallel
-
- 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
Abstract
The invention relates to the technical field of electrode welding auxiliary equipment, in particular to a lithium battery electrode series or parallel assembling and welding device which comprises at least one auxiliary device, wherein the auxiliary device comprises a supporting seat, ferromagnetic metal plates are symmetrically arranged at two ends of the bottom surface of the supporting seat, one end, close to the outer end of the supporting seat, of each ferromagnetic metal plate is rotatably connected to the bottom surface of the supporting seat through a hinge, a clamping groove for placing an electrode plate is reserved between the free ends of the two ferromagnetic metal plates and the supporting seat, and a magnet for enabling the ferromagnetic metal plates to be attached to the bottom surface of the supporting seat is arranged on the supporting seat. Whether welding between electrode slice and the electric core is connected firmly, simple structure, convenient to use can be judged through this device.
Description
Technical Field
The invention relates to the technical field of electrode welding auxiliary equipment, in particular to a lithium battery electrode series or parallel assembling and welding device.
Background
Generally, the lithium battery module is formed by connecting a plurality of battery cells in series or in parallel, the battery cells are welded together in series or in parallel through metal electrode plates, after welding, a cold joint can be generated between the electrode plates and the battery cells, the cold joint can lead to serious consequences, for example, BMS (battery management system) alarm or the whole vehicle can not run in the running process of the whole vehicle, so after-welding inspection must be carried out after welding is completed, the current commonly-used module after-welding detection method is manual upwarp inspection, even if welded pole pieces are upwarped by using a tool, the operation is a destructive verification method, the welding strength of the module can be influenced, and the pole pieces can be possibly damaged, and the detection time is long.
Disclosure of Invention
The invention aims to solve the defect that the electrode plate insufficient welding detection method in the prior art is troublesome, and provides a welding device for assembling electrodes of lithium batteries in series or in parallel.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a lithium cell electrode series connection or parallelly connected assembly welding set, includes at least one auxiliary device, auxiliary device includes the supporting seat, supporting seat bottom surface both ends symmetry is equipped with the ferromagnetism metal sheet, the one end that the ferromagnetism metal sheet is close to the supporting seat outer end is passed through the hinge and is rotated and connect in the supporting seat bottom surface, two it is equipped with the draw-in groove that is used for placing the electrode slice to leave between ferromagnetism metal sheet free end and the supporting seat, the supporting seat is installed and is used for making the ferromagnetism metal sheet paste to lean on the magnet in the supporting seat bottom surface.
Open first installation cavity in outer end is seted up at both ends about the supporting seat, first installation cavity with paste the ferromagnetic metal sheet parallel arrangement who leans on in the supporting seat bottom surface, magnet is arranged in the first installation cavity, just the size of the upper and lower coincidence face of magnet and ferromagnetic metal sheet can be adjusted.
A supporting plate is arranged in the first mounting cavity, the magnet is supported on the supporting plate, and a pressure sensor is arranged between the bottom of the supporting plate and the supporting seat.
And the supporting seat is provided with an adjusting component for adjusting the size of the upper and lower coincident surfaces of the magnet and the ferromagnetic metal plate.
The adjusting part comprises a push plate and a threaded rod, the threaded rod is connected with the supporting seat in a rotating mode, the axis of the threaded rod is arranged along the adjusting direction of the magnet, the push plate is in threaded connection with the threaded rod, and the push plate abuts against the outer end of the magnet.
The push plate is connected with the outer end of the magnet in a sliding mode, and the sliding direction of the push plate is vertical to the sliding direction of the magnet.
The supporting plate is at least partially a ferromagnetic metal plate.
Open second installation cavity in outer end is seted up to ferromagnetic metal sheet free end, sliding connection has the dop that can stretch out and draw back in the second installation cavity, be connected with compression spring between dop and the second installation cavity diapire, it establishes to reserve between dop outer end top and the supporting seat the draw-in groove, the dop outer end is equipped with the wedge sliding surface.
The auxiliary device is more than two, and a plurality of the supporting seats of the auxiliary device are fixed together through the mounting frame.
The magnet is a permanent magnet or an electromagnet.
The lithium battery electrode series or parallel assembling and welding device provided by the invention has the beneficial effects that: whether welding between electrode slice and the electric core is connected firmly, simple structure, convenient to use can be judged through this device.
Drawings
FIG. 1 is a schematic view of an auxiliary device according to the present invention;
FIG. 2 is a schematic view of a plurality of auxiliary devices of the present invention secured together.
In the figure: the device comprises a supporting seat 1, a first installation cavity 2, a magnet 3, a supporting plate 4, a threaded rod 5, a push plate 6, a pressure sensor 7, a hinge 8, a ferromagnetic metal plate 9, a compression spring 10, a second installation cavity 11, a clamping head 12, a wedge-shaped sliding surface 13 and an electrode plate 14.
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.
Referring to fig. 1-2, a lithium battery electrode series or parallel assembly welding device comprises at least one auxiliary device, the auxiliary device comprises a supporting seat 1, ferromagnetic metal plates 9 are symmetrically arranged at two ends of the bottom surface of the supporting seat 1, one end, close to the outer end of the supporting seat 1, of each ferromagnetic metal plate 9 is rotatably connected to the bottom surface of the supporting seat 1 through a hinge 8, a clamping groove for placing an electrode plate 14 is reserved between the free end of each ferromagnetic metal plate 9 and the supporting seat 1, a magnet 3 for enabling the ferromagnetic metal plates 9 to be attached to the bottom surface of the supporting seat 1 is installed on the supporting seat 1, and the magnet 3 is a permanent magnet or an electromagnet.
The ferromagnetic metal plate 9 is tightly attached to the bottom of the supporting seat 1 through magnetic attraction of the magnet 3, the electrode plate 14 is placed between the ferromagnetic metal plate 9 and the supporting seat 1, the electrode plate 14 is pressed at the electrode end of the battery cell through the supporting seat 1 and then welded, after welding is completed, the supporting seat 1 is lifted upwards, the connection between the welded electrode plate and the battery cell is firm, when the supporting seat is lifted upwards, the welding connection force is larger than the suction force of the magnet to the ferromagnetic metal plate 9, at the moment, the ferromagnetic metal plate 9 rotates around the hinge 8, the electrode plate 14 is released, automatic separation of the auxiliary device from the welded electrode plate 14 is realized, if the electrode plate and the battery cell are in false welding, the welding connection force between the electrode plate and the battery cell is small, when the supporting seat 1 is lifted upwards, the suction force of the magnet to the ferromagnetic metal plate 9 is larger than the welding connection force of the electrode plate and the battery cell, when the supporting seat is lifted upwards, the auxiliary device pulls the electrode plate 14 off from the battery cell, whether the welding connection between the electrode plate and the battery cell is firm can be judged through the device, the structure is simple and the use is convenient.
Refer to fig. 1, open first installation cavity 2 in outer end has been seted up at both ends about supporting seat 1, first installation cavity 2 with paste the ferromagnetic metal sheet 9 parallel arrangement who leans on in supporting seat 1 bottom surface, magnet 3 is arranged in first installation cavity 2, and the size of the upper and lower coincidence face of magnet 3 and ferromagnetic metal sheet 9 can be adjusted, magnet 3 is big more with ferromagnetic metal sheet 9's coincidence face, the two suction is stronger more, through adjusting the two coincidence face size, realize the regulation of ferromagnetic metal sheet 9 turning force threshold value size.
Be equipped with backup pad 4 in the first installation cavity 2, magnet 3 supports in backup pad 4, installs pressure sensor 7 between 4 bottoms of backup pad and the supporting seat 1, and the coincidence face is big more, and the numerical value that pressure sensor 7 obtained is big more, directly judges through pressure sensor 7 numerical value or through the more audio-visual acquisition ferromagnetic metal sheet 9 turning force threshold value size of mode of calculating conversion.
An adjusting component for adjusting the size of the upper and lower coincident surfaces of the magnet 3 and the ferromagnetic metal plate 9 is arranged on the supporting seat 1; the adjusting component comprises a push plate 6 and a threaded rod 5, the threaded rod 5 is rotatably connected with the supporting seat 1, the axis of the threaded rod 5 is arranged along the adjusting direction of the magnet 3, the push plate 6 is in threaded connection with the threaded rod 5, the push plate 6 abuts against the outer end of the magnet 3, and the push plate 6 is controlled to move back and forth by rotating the threaded rod 5, so that the overlapped surface of the magnet 3 and the ferromagnetic metal plate 9 is adjusted; preferably, the push plate 6 is in sliding connection with the outer end of the magnet 3 and is arranged vertically in the sliding direction.
The supporting plate 4 is at least partially a ferromagnetic metal plate, so that the magnet can be adsorbed on the supporting plate 4, and the position of the magnet on the supporting plate 4 is preliminarily fixed under the action of friction force.
A free end of the ferromagnetic metal plate 9 is provided with a second mounting chamber 11 with an open outer end, a telescopic chuck 12 is slidably connected in the second mounting chamber 11, a compression spring 10 is connected between the chuck 12 and the bottom wall of the second mounting chamber 11, a clamping groove is reserved between the top of the outer end of the chuck 12 and the supporting seat 1, and the outer end of the chuck 12 is provided with a wedge-shaped sliding surface 13; the electrode plate 14 is clamped into the clamping groove by overcoming the elastic force of the compression spring 10 in a pressing mode under the action of the wedge-shaped sliding surface 13, so that the electrode plate and the auxiliary device are convenient to install.
Referring to fig. 2, the auxiliary device is more than two, supporting seat 1 of a plurality of auxiliary devices passes through the mounting bracket to be fixed together, electrode slice structure on the same production line is fixed, electrode slice welding position is also definite, consequently, put the electrode slice position well, then set up the auxiliary device position, once only go into a plurality of electrode slices card in corresponding auxiliary device's the draw-in groove, once only press a plurality of electrode slices and weld on corresponding electric core, accomplish the operation of a plurality of electrode slices of disposable welding, simultaneously can once only judge whether rosin joint of a plurality of electrode slices.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solutions, concepts and designs obtained by equivalent or modified equivalents of the technical solutions and the inventive concepts thereof by those skilled in the art within the technical scope of the present invention are all covered by the present invention.
Claims (9)
1. The utility model provides a lithium battery electrode establishes ties or parallelly connected assembly welding set, includes at least one auxiliary device, a serial communication port, auxiliary device includes supporting seat (1), supporting seat (1) bottom surface both ends symmetry is equipped with ferromagnetic metal sheet (9), the one end that ferromagnetic metal sheet (9) are close to supporting seat (1) outer end is passed through hinge (8) and is rotated and connect in supporting seat (1) bottom surface, two stay between ferromagnetic metal sheet (9) free end and supporting seat (1) and be equipped with the draw-in groove that is used for placing electrode slice (14), supporting seat (1) is installed and is used for making ferromagnetic metal sheet (9) paste magnet (3) of leaning on in supporting seat (1) bottom surface, open first installation cavity (2) in outer end are seted up to both ends about supporting seat (1), first installation cavity (2) with paste ferromagnetic metal sheet (9) parallel arrangement in supporting seat (1) bottom surface, magnet (3) are arranged in first installation cavity (2), just the size of magnet (3) and ferromagnetic metal sheet (9) the upper and lower coincidence face can be adjusted.
2. The welding device for the serial or parallel assembly of the electrodes of the lithium batteries according to claim 1, wherein a support plate (4) is arranged in the first installation chamber (2), the magnet (3) is supported on the support plate (4), and a pressure sensor (7) is arranged between the bottom of the support plate (4) and the support base (1).
3. The welding device for assembling the electrodes of the lithium batteries in series or in parallel according to the claim 1 or 2, characterized in that the supporting seat (1) is provided with an adjusting component for adjusting the size of the upper and lower coincident surfaces of the magnet (3) and the ferromagnetic metal plate (9).
4. The welding device for the serial or parallel assembly of the electrodes of the lithium battery as claimed in claim 3, wherein the adjusting component comprises a push plate (6) and a threaded rod (5), the threaded rod (5) is rotatably connected with the supporting seat (1), the axis of the threaded rod (5) is arranged along the adjusting direction of the magnet (3), the push plate (6) is in threaded connection with the threaded rod (5), and the push plate (6) abuts against the outer end of the magnet (3).
5. The welding device for the serial or parallel assembly of the electrodes of the lithium battery as claimed in claim 4, wherein the push plate (6) is connected with the outer end of the magnet (3) in a sliding manner, and the sliding direction is vertical.
6. A welding device for the serial or parallel assembly of the electrodes of lithium batteries according to claim 2, characterized in that said support plate (4) is at least partially a ferromagnetic metal plate.
7. The welding device for the serial or parallel assembly of the lithium battery electrodes as claimed in claim 1, 2, 4, 5 or 6, wherein a second mounting chamber (11) with an open outer end is formed at the free end of the ferromagnetic metal plate (9), a retractable chuck (12) is slidably connected in the second mounting chamber (11), a compression spring (10) is connected between the chuck (12) and the bottom wall of the second mounting chamber (11), the clamping groove is reserved between the top of the outer end of the chuck (12) and the supporting seat (1), and a wedge-shaped sliding surface (13) is formed at the outer end of the chuck (12).
8. The welding device for the serial or parallel assembly of the electrodes of the lithium batteries according to claim 7, wherein the number of the auxiliary devices is two or more, and the supporting seats (1) of the plurality of the auxiliary devices are fixed together through a mounting frame.
9. The welding device for the serial or parallel assembly of the electrodes of lithium batteries according to claim 1, characterized in that the magnets (3) are permanent magnets or electromagnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878558.XA CN113497309B (en) | 2021-08-02 | 2021-08-02 | Lithium battery electrode series or parallel assembling and welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878558.XA CN113497309B (en) | 2021-08-02 | 2021-08-02 | Lithium battery electrode series or parallel assembling and welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113497309A CN113497309A (en) | 2021-10-12 |
| CN113497309B true CN113497309B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110878558.XA Active CN113497309B (en) | 2021-08-02 | 2021-08-02 | Lithium battery electrode series or parallel assembling and welding device |
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| CN (1) | CN113497309B (en) |
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| CN108971738A (en) * | 2018-06-14 | 2018-12-11 | 惠州市隆合科技有限公司 | A kind of lithium battery pole ear metal foil welding mechanism and welding method |
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| JP2006134599A (en) * | 2004-11-02 | 2006-05-25 | Sanyo Electric Co Ltd | Battery module and inspection method thereof |
| JP5456405B2 (en) * | 2009-07-30 | 2014-03-26 | 古河電池株式会社 | Inspection device |
| CN204118166U (en) * | 2014-10-14 | 2015-01-21 | 深圳市同昌自动化科技有限公司 | Full-automatic linear block welding machine |
| CN105047849B (en) * | 2015-08-31 | 2018-08-17 | 河南顺之航能源科技有限公司 | Folding device and its application method for lithium ion cell polar ear |
| CN206074787U (en) * | 2016-08-30 | 2017-04-05 | 常州普莱德新能源电池科技有限公司 | A kind of device for detecting solder design quality between lithium battery busbar and battery core pole |
| CN206339634U (en) * | 2016-12-28 | 2017-07-18 | 深圳市豪鹏科技有限公司 | A kind of battery pole piece dry joint detection device |
| KR102005401B1 (en) * | 2017-06-19 | 2019-10-01 | 주식회사 엘지화학 | Improvement Jig of adhesion between battery cell and metal plate of a battery pack and a laser welding method using the same |
| CN108489813A (en) * | 2018-05-09 | 2018-09-04 | 华霆（合肥）动力技术有限公司 | Welding detection device and welding system |
| CN110247021A (en) * | 2019-05-24 | 2019-09-17 | 陈金汀 | A kind of lithium battery polar plate production equipment using mobile steering principle |
| CN110369903A (en) * | 2019-07-05 | 2019-10-25 | 联动天翼新能源有限公司 | Laser welding tension intensity on-line measuring device |
| CN211150702U (en) * | 2019-09-20 | 2020-07-31 | 东莞市宏先自动化设备有限公司 | Full-automatic assembly line body of lithium cell |
| CN211401946U (en) * | 2019-12-20 | 2020-09-01 | 东莞市创明电池技术有限公司 | Lithium battery detection device |
| CN112985984A (en) * | 2020-12-14 | 2021-06-18 | 系统电子科技（镇江）有限公司 | Many electric core solder joints quality detection device |
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2021
- 2021-08-02 CN CN202110878558.XA patent/CN113497309B/en active Active
Patent Citations (2)
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| JP2005116434A (en) * | 2003-10-10 | 2005-04-28 | Nissan Motor Co Ltd | Welding method of battery electrode and battery pack |
| CN108971738A (en) * | 2018-06-14 | 2018-12-11 | 惠州市隆合科技有限公司 | A kind of lithium battery pole ear metal foil welding mechanism and welding method |
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| CN113497309A (en) | 2021-10-12 |
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