CN206366772U - A kind of spot welding tool for being applicable lithium battery module - Google Patents
A kind of spot welding tool for being applicable lithium battery module Download PDFInfo
- Publication number
- CN206366772U CN206366772U CN201621449799.3U CN201621449799U CN206366772U CN 206366772 U CN206366772 U CN 206366772U CN 201621449799 U CN201621449799 U CN 201621449799U CN 206366772 U CN206366772 U CN 206366772U
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- spot welding
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- welding tool
- battery core
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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
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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
- 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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Abstract
The utility model discloses a kind of spot welding tool for being applicable lithium battery module, belong to lithium cell for electric bicycle manufacturing technology field.The spot welding tool include spot welding when and support assorted location-plate, the location-plate be provided with and the one-to-one through hole of bond pad locations, the location-plate be provided with adhesive battery core connection sheet magnet.The utility model is set and the one-to-one through hole of battery core solder joint by setting the location-plate coordinated with lithium battery module, and on location-plate, and the point capillary of electric resistance welding machine, which only needs guiding through through hole effect, can complete accurate spot welding；By setting the opening of positioning battery core connection sheet at stopper slot edge, spacing preiection is set in spacing groove bottom, the uniformity that battery core connection sheet is put is improved, product quality is lifted；The utility model is simple in construction, easy to operate, the technique for dispensing pre- spot welding, saves human cost.
Description
Technical field
The utility model is related to lithium cell for electric bicycle manufacturing technology field, and in particular to a kind of applicable lithium battery module
Spot welding tool.
Background technology
With the continuous maturation of lithium ion battery technology, every field is increasingly being applied to, wherein, cylindrical lithium
Ion battery application is especially extensive.Single branch lithium ion battery battery is forced down, capacity is small, such as wants to obtain high voltage, the battery of capacity,
Need to combine multiple single branch battery cores.What it is using nickel sheet spot welding is a kind of the more commonly used basic combination.Nickel sheet
Spot welding typically uses mash welder, and because battery applications field is different, battery structure is also varied, and manual small-sized spot-welding machine is still
Spot-welding equipment widely used at present.
In practical operation, nickel sheet is placed in bonding row's battery core by spot welding workman, spot welding position is estimated, by nickel sheet
Spot weld at the positive pole and negative pole of lithium battery.In operation, spot welding personnel needs are continual observes spot welding point, it is to avoid weldering
There is deviation in point, and causes the rosin joint or fried fire of nickel sheet.Prolonged observation can cause eye fatigue, and spot welding personnel bend over to see
Back fatigue can be caused by examining, so that cause work efficiency drop, product quality reduction.It is therefore desirable to which one kind can be helped preferably
The device of spot welding personnel positioning spot welding point is helped, to alleviate the working strength of operating personnel, while also improving the quality of spot welding.
As the U of patent document CN 204818532 disclose a kind of lithium ion battery spot welding device, including battery clamp and fixed
The battery case that battery erects placement side by side is provided with the middle part of position module, the battery clamp, the positioning module is determined including parallel
Position module one and locating module two, locating module one and locating module two are fixed on spot welding machine worktable, the He of locating module one
It is an electricity that the medial surface of locating module two, which sets the spacing between two locating slots on one-to-one multigroup locating slot, same locating module,
The diameter of core, battery clamp lateral surface sets uniform multiple positioning convex, and locating slot is engaged with positioning convex, locating module
Lateral surface is provided with baffle plate, and spring is set between locating module one and baffle plate, and the both ends of the surface of locating module one and baffle plate are connected with connecting plate, even
One of fishplate bar and locating module one or baffle plate, which are slided, to be connected.The utility model is positioned by the cooperation of locating slot and positioning convex
Battery, realizes spot welding auxiliary positioning, but in cell process is promoted, nickel sheet to be connected easily comes off.
And for example the U of patent document CN 205021074 disclose a kind of spot welding tool for lithium battery group, including cuboid
The lithium battery group for treating spot welding is placed in the tool housing of shape, the cavity of tool housing, the both sides of tool housing, which are equipped with, to be used for
Two go to upper and lower air vent of the distribution for radiating, and the side of tool housing upper surface is hinged with spot welding cover plate, spot welding cover plate
Upper surface is provided with rectangular through-hole, and rectangular through-hole clamping is placed with location-plate, and location-plate is first-class to be intervally distributed with for positioning lithium electricity
The locating slot of each lithium battery monomer positive pole in the group of pond, fixed card adapter plate is additionally provided between the front end of spot welding cover plate and tool housing.
The utility model is used for the spot welding tool of lithium battery group, can position the lithium battery that the lithium battery monomer of fixed varying number is constituted
Group, is easy to the spot welding of conductive copper sheet, simple in construction, easily realizes, has a good application prospect.
The lithium battery module that existing electric bicycle is used is miscellaneous because of pattern wide in variety, in order to control manufacturing cost, generally
The copper bar of connection nickel sheet is not used, therefore needs pre- spot welding manually, otherwise nickel sheet loosens, it is impossible to carry out electric resistance welding, and the pre- spot welding of multiple tracks
Technique, undoubtedly increases cost of labor.
Utility model content
The utility model provides a kind of spot welding tool for being applicable lithium battery module, solves electric bicycle in the prior art
Lithium battery module assembling needs pre- spot welding manually, then carries out electric resistance welding machine spot welding, causes cost of labor high, and spot welding is not unified precisely
The problems such as.
A kind of spot welding tool for being applicable lithium battery module, the lithium battery module includes the branch of battery core and fixed battery core
Frame, it is characterised in that when the spot welding tool includes spot welding and support assorted location-plate, the location-plate is provided with and solder joint
The one-to-one through hole in position, the location-plate is provided with the magnet of adhesive battery core connection sheet.
Described lithium battery module is the cylindrical lithium battery module of electric bicycle 18650.
Spot welding tool of the present utility model coordinates with electric resistance welding machine, completes integral type spot welding.Concrete operations flow is：Will
Battery core connection sheet is pull-in on location-plate, and now battery core connection sheet covers all the through hole on location-plate, then overturns positioning
Plate, the support assorted with lithium battery module, due to the through hole on location-plate and solder joint one-to-one corresponding, the point capillary of electric resistance welding machine
Battery core connection sheet can be welded on through through hole on the solder joint of battery core, realize accurate spot welding.The diameter of the through hole is with resistance
The point capillary diameter of welding machine device is adapted.
Preferably, the material of the location-plate is bakelite or nylon, the magnet is strong magnets, specifically can select neodymium
Iron boron.Inside the magnet insertion location-plate, battery core connection sheet (such as nickel sheet) is pull-in on location-plate, it is to avoid location-plate is overturn
When, nickel sheet comes off from location-plate.
The location-plate is a flat board, and its shape, size are corresponding with support, preferably, the location-plate is provided with
With the stopper slot of support assorted.The bracket clamp realizes positioning in stopper slot, prevents that relative displacement occurs between the two.
In actual production, according to the difference of battery size, the both positive and negative polarity arrangement of the battery core inside lithium battery module is not
With, the different of the connection sheet that connect same polarity battery core is thus be accordingly used in, operating personnel arrange connection sheet for convenience, can
Locating part is set on location-plate, preferably, opening of the edge of the stopper slot provided with positioning battery core connection sheet.Due to lithium
The connection sheet of same polarity needs further series connection on battery module, therefore the end of connection sheet generally has lead division, this reality
With new in stopper slot edge designed openings, one can accommodate described lead division, it is to avoid lead division rides over stopper slot edge
Above influence the adhesive on location-plate；Two play position-limiting action.
More preferably, the opening is flushed with spacing groove bottom.It so ensure that whole connection sheet is pull-in on limit completely
The bottom surface of position groove.
Preferably, spacing preiection of the bottom surface of the stopper slot provided with several positioning battery core connection sheets.According to connection
Plate shape designs the position of spacing preiection, the connection sheet is stuck in the framework that spacing preiection is surrounded, and one facilitates staff to grasp
Make, two are accurately positioned to realize.
To ensure effective adhesive of battery core connection sheet, the utility model is distributed magnetic force point using many sites.Preferably, institute
Counterbore is installed in the bottom surface for stating stopper slot provided with magnet, and the magnet is embedded in magnet and installed in counterbore.More preferably, the magnet peace
Counterbore is filled to be located between adjacent through-holes.
During spot welding, the point capillary of electric resistance welding machine carries out spot welding successively along through hole distributing order, it is to avoid in conventional technique
The phenomenons such as the solder skip caused by range estimation, and effectively save the operation such as pre- spot-welding technology and in-plant stock handling storage.As
It is preferred that, the point capillary arrival end of the through hole is provided with circular arc chamfering.This design effectively mitigates point capillary because directly touching location-plate
The mechanical damage caused.
The beneficial effect that the utility model possesses：
(1) the utility model is set and electricity by setting the location-plate coordinated with lithium battery module, and on location-plate
The one-to-one through hole of core solder joint, the point capillary of electric resistance welding machine, which only needs guiding through through hole effect, can complete accurate spot welding.
(2) the utility model positions the opening of battery core connection sheet by being set at stopper slot edge, is set in spacing groove bottom
Spacing preiection is put, the uniformity that battery core connection sheet is put is improved, product quality is lifted.
(3) the utility model is simple in construction, easy to operate, the technique for dispensing pre- spot welding, saves human cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model spot welding tool.
Schematic diagram when Fig. 2 is the utility model spot welding tool adhesive nickel sheet.
Fig. 3 is the upward view of Fig. 1 spot welding jig structures.
Fig. 4 is the diagrammatic cross-section of Fig. 1 spot welding jig structures.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail.
The lithium battery module of the present embodiment is the rectangular module combined by multiple single battery cores, and single battery core is fixed on
On support, the battery core of same polarity is connected in series by battery core connection sheet (nickel sheet).Spot welding tool and support of the present utility model
Nickel sheet is positioned on the solder joint of battery core by cooperation, is easy to the spot welding of electric resistance welding machine.
As shown in figure 1, spot welding tool of the present utility model includes location-plate 1, the material of location-plate is bakelite.Location-plate 1
Provided with the stopper slot 2 with support assorted.The bracket clamp of lithium battery module realizes positioning in stopper slot 2, prevents between the two
Generation relative displacement.
Counterbore is installed in the bottom surface of stopper slot 2 provided with magnet, and magnet installs counterbore and is embedded with magnet 3, and magnet 3 is that neodymium iron boron is strong
Power magnet.For ensure nickel sheet effective adhesive, using many sites be distributed magnetic force point, magnet install counterbore located at adjacent through-holes it
Between.
As shown in Fig. 2 strong magnets can be by the adhesive location-plate of nickel sheet 4.Due to the nickel of same polarity on lithium battery module
Piece needs further series connection, therefore the end of nickel sheet has lead division 41, as shown in figure 3, the utility model is at the edge of stopper slot 2
Opening 21 is set, and one can accommodate lead division 41；Two play position-limiting action.Opening 21 is flushed with the bottom surface of stopper slot 2, it is ensured that
Whole nickel sheet is pull-in on the bottom surface of stopper slot 2 completely.
Offered on location-plate 1 with the one-to-one through hole of battery core bond pad locations 5, when nickel sheet is placed on location-plate,
Through hole 5 is just covered, the diameter of through hole 5 is adapted with the point capillary diameter of electric resistance welding machine.If the bottom surface of stopper slot 2 is provided with
The spacing preiection 6 of dry positioning nickel sheet, the position of spacing preiection 6 is designed according to nickel sheet concrete shape, and nickel sheet is placed in several
In the framework that spacing preiection is surrounded, one facilitates staff to operate, and two be accurately positioned to realize.
Spot welding tool of the present utility model coordinates with electric resistance welding machine, completes integral type spot welding.Concrete operations flow is：Will
Nickel sheet 4 is pull-in on the bottom surface of stopper slot 2 of location-plate, and now nickel sheet 4 covers all the through hole 5 and magnet 3 on location-plate,
Location-plate 1 is overturn again, the support assorted with lithium battery module, due to the through hole 5 on location-plate and solder joint one-to-one corresponding, electric resistance welding
The point capillary of machine sequentially passes through through hole 5 and completes spot welding, shows while being prevented effectively from the solder skip caused in conventional technique by range estimation
As.
As shown in figure 4, the point capillary arrival end of through hole is provided with circular arc chamfering.This design effectively mitigates point capillary because directly touching
Touch the mechanical damage that location-plate is caused.
Above-described embodiment only preferred embodiment of the present utility model, and not all.Based on the implementation in embodiment
Example, those skilled in the art can design battery core according to the both positive and negative polarity arrangement situation of the lithium battery module inside battery core of concrete model
The shape of connection sheet, so design the utility model spot welding tool location-plate on through hole, magnet install counterbore, spacing preiection with
And the specific distributing position of stopper slot edge opening.Therefore, those skilled in the art are not making the premise of creative work
Lower obtained other embodiments, belong to protection domain of the present utility model.
Claims (8)
1. a kind of spot welding tool for being applicable lithium battery module, the lithium battery module includes the support of battery core and fixed battery core,
Characterized in that, the spot welding tool include spot welding when and support assorted location-plate, the location-plate be provided with and solder joint position
One-to-one through hole is put, the location-plate is provided with the magnet of adhesive battery core connection sheet.
2. spot welding tool as claimed in claim 1, it is characterised in that the location-plate is provided with spacing with support assorted
Groove.
3. spot welding tool as claimed in claim 2, it is characterised in that the edge of the stopper slot is provided with positioning battery core connection sheet
Opening.
4. spot welding tool as claimed in claim 3, it is characterised in that the opening is flushed with spacing groove bottom.
5. spot welding tool as claimed in claim 2, it is characterised in that the bottom surface of the stopper slot is provided with several positioning battery cores
The spacing preiection of connection sheet.
6. spot welding tool as claimed in claim 1, it is characterised in that the magnet is embedded in inside the location-plate.
7. spot welding tool as claimed in claim 2, it is characterised in that counterbore is installed in the bottom surface of the stopper slot provided with magnet,
The magnet is embedded in magnet and installed in counterbore.
8. spot welding tool as claimed in claim 1, it is characterised in that the point capillary arrival end of the through hole falls provided with circular arc
Angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449799.3U CN206366772U (en) | 2016-12-27 | 2016-12-27 | A kind of spot welding tool for being applicable lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449799.3U CN206366772U (en) | 2016-12-27 | 2016-12-27 | A kind of spot welding tool for being applicable lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206366772U true CN206366772U (en) | 2017-08-01 |
Family
ID=59393994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621449799.3U Active CN206366772U (en) | 2016-12-27 | 2016-12-27 | A kind of spot welding tool for being applicable lithium battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206366772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127273A (en) * | 2017-12-22 | 2018-06-08 | 华霆（合肥）动力技术有限公司 | Cover board, welding system and welding method |
| CN111687578A (en) * | 2020-06-22 | 2020-09-22 | 张艳丽 | Automatic spot welding device for bottom of lithium battery |
-
2016
- 2016-12-27 CN CN201621449799.3U patent/CN206366772U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127273A (en) * | 2017-12-22 | 2018-06-08 | 华霆（合肥）动力技术有限公司 | Cover board, welding system and welding method |
| CN108127273B (en) * | 2017-12-22 | 2024-02-09 | 华霆（合肥）动力技术有限公司 | Cover plate, welding system and welding method |
| CN111687578A (en) * | 2020-06-22 | 2020-09-22 | 张艳丽 | Automatic spot welding device for bottom of lithium battery |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100, No. 18, Qiao Qiao Road, Changxing County painting industrial park, Zhejiang, Huzhou Patentee after: Tianneng Shuai Fude Energy Co., Ltd Address before: 313100, No. 18, Qiao Qiao Road, Changxing County painting industrial park, Zhejiang, Huzhou Patentee before: Zhejiang energy energy Polytron Technologies Inc |