CN203091972U - Welding device for cylindrical lithium ion battery pack - Google Patents
Welding device for cylindrical lithium ion battery pack Download PDFInfo
- Publication number
- CN203091972U CN203091972U CN 201220698971 CN201220698971U CN203091972U CN 203091972 U CN203091972 U CN 203091972U CN 201220698971 CN201220698971 CN 201220698971 CN 201220698971 U CN201220698971 U CN 201220698971U CN 203091972 U CN203091972 U CN 203091972U
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- China
- Prior art keywords
- lithium ion
- cylindrical lithium
- ion battery
- connecting band
- battery pack
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a welding device for a cylindrical lithium ion battery pack. The battery pack comprises a plurality of cylindrical lithium ion batteries (5). A connecting belt (4) is arranged at the tops of the cylindrical lithium ion batteries (5). A compact cover plate (2) is arranged right above the connecting belt (4), and a laser welding machine is arranged right above the compact cover plate (2). With the welding device, a connecting piece between each two cylindrical lithium ion batteries in the cylindrical lithium ion battery pack can be easily and efficiently welded on a battery shell, so that welding production efficiency and welding quality of the cylindrical lithium ion battery pack can be remarkably improved, the cylindrical lithium ion battery pack is guaranteed to be used safely, production cost thereof is reduced, marketing competitiveness thereof is greatly improved, wide application thereof in production is facilitated, and the cylindrical lithium ion battery pack has practical significance in production.
Description
Technical field
The utility model relates to the battery technology field, particularly relates to a kind of welder of cylindrical lithium ion battery bag.
Background technology
At present, advantages such as lithium ion battery has the specific energy height, recycles often, memory time is long, not only on portable electric appts, be used widely, and be widely used in big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool as mobile phone, DV and laptop computer.
For present cylindrical lithium ion battery, it forms power brick together by a plurality of lithium ion batteries usually, is applied to then on various electronic products, electric tool or the electric automobile.
In view of the shell of the cylindrical lithium ion battery shell of steel nickel plating normally, and the brace between two cylindrical lithium ion batteries is nickel strap, copper nickel plating band or aluminium strip, so when assembling cylindrical lithium ion battery bag, brace being welded on the shell of battery becomes critical process.
But, present battery production producer is the form that adopts electric resistance welding basically, brace between two cylindrical lithium ion batteries in the power brick is welded on the battery case, there are many problems such as welding difficulty, unstable, the regular reconditioning soldering tip of weld strength, efficient are low, have a strong impact on the welding production efficiency and the welding quality of cylindrical lithium ion battery bag, increased the production cost of lithium ion battery bag greatly.
Therefore, press at present and develop a kind of device, it can make things convenient for, efficiently the brace between two cylindrical lithium ion batteries in the cylindrical lithium ion battery bag is welded on the battery case, can significantly improve the welding production efficiency and the welding quality of cylindrical lithium ion battery bag, guarantee the safe handling of lithium ion battery bag, reduce the production cost of lithium ion battery bag.
The utility model content
In view of this, the purpose of this utility model provides a kind of welder of cylindrical lithium ion battery bag, it can make things convenient for, efficiently the brace between two cylindrical lithium ion batteries in the cylindrical lithium ion battery bag is welded on the battery case, can significantly improve the welding production efficiency and the welding quality of cylindrical lithium ion battery bag, guarantee the safe handling of cylindrical lithium ion battery bag, reduce the production cost of cylindrical lithium ion battery bag, effectively improved the market competitiveness of cylindrical lithium ion battery bag, help using aborning widely, be of great practical significance.
For this reason, the utility model provides a kind of welder of cylindrical lithium ion battery bag, and described power brick comprises a plurality of cylindrical lithium ion batteries, and the top of described a plurality of cylindrical lithium ion batteries is provided with a connecting band;
Be provided with a holddown plate directly over the described connecting band, be provided with laser-beam welding machine directly over the described holddown plate.
Wherein, spaced apartly between described connecting band and the holddown plate be provided with a plurality of probes, the two ends up and down of described probe are connected with the end face of described connecting band and the bottom surface of described holddown plate respectively.
Wherein, the lateral separation is distributed with a plurality of laser via on the described holddown plate, described laser via be positioned at corresponding position, described cylindrical lithium ion battery top on.
Wherein, described laser via directly over be provided with described laser-beam welding machine.
Wherein, described connecting band is in the same place with the cylindrical lithium ion battery laser weld.
Wherein, described connecting band and the cylindrical lithium ion battery mode that adopts resistance welded and laser weld to combine is fixed and welded together.
The technical scheme that is provided by above the utility model as seen, compared with prior art, the utility model provides a kind of welder of cylindrical lithium ion battery bag, it can make things convenient for, efficiently the brace between two cylindrical lithium ion batteries in the cylindrical lithium ion battery bag is welded on the battery case, can significantly improve the welding production efficiency and the welding quality of cylindrical lithium ion battery bag, guarantee the safe handling of cylindrical lithium ion battery bag, reduce the production cost of cylindrical lithium ion battery bag, effectively improved the market competitiveness of cylindrical lithium ion battery bag, help using aborning widely, be of great practical significance.
Description of drawings
The structural representation of the welder of a kind of cylindrical lithium ion battery bag that Fig. 1 provides for the utility model;
Among the figure: 1 is laser beam; 2 is holddown plate, and 20 is laser via, and 3 is probe, and 4 is connecting band, and 5 is cylindrical lithium ion battery.
The specific embodiment
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
Referring to Fig. 1, the utility model provides a kind of welder of cylindrical lithium ion battery bag, described power brick comprises a plurality of cylindrical lithium ion batteries of laterally vertically placing 5, arbitrarily the positive pole of adjacent two cylindrical lithium ion batteries 5 and negative pole towards opposite (be one of them be anodal up, negative pole upright state down, another one be positive pole down, negative pole handstand state up).
Referring to Fig. 1, in the utility model, the top of described a plurality of cylindrical lithium ion battery 5 is provided with a connecting band 4, be provided with a holddown plate 2 directly over the described connecting band 4, by described holddown plate 2, described connecting band 4 can be pressed to described a plurality of cylindrical lithium ion battery 5 tops.
In the utility model, on the specific implementation, the top of described a plurality of cylindrical lithium ion battery 5 and described connecting band 4 are in the same plane, and described connecting band 4 laser weld are at the top of described a plurality of cylindrical lithium ion batteries 5, therefore, mode by laser weld, the utility model need not the battery production workman and goes for pad again, can significantly improve welding job efficient, can strengthen the fastness of welding effectively, guarantee the quality of welding, improved the product percent of pass of power brick.
Referring to Fig. 1, on the specific implementation, spaced apartly between described connecting band 4 and the holddown plate 2 be provided with a plurality of probes 3, the two ends up and down of described probe 3 are connected with the end face of described connecting band 4 and the bottom surface of described holddown plate 2 respectively, can be by a contact action, increase local pressure, further strengthen the effect that compresses of 2 pairs of connecting band 4 end faces of holddown plate, strengthened the operability of laser weld.
In the utility model, the lateral separation is distributed with a plurality of laser via 20 on the described holddown plate 2, described laser via 20 be positioned at corresponding position, described cylindrical lithium ion battery 5 tops on, be provided with laser-beam welding machine directly over the described laser via 20, described laser-beam welding machine emitted laser bundle 1 runs through by described laser via 20 and shines on the connecting band 4 at described cylindrical lithium ion battery 5 tops, thereby connecting band 4 and described cylindrical lithium ion battery 5 top lasers are welded together.
In the utility model, on the specific implementation, described connecting band 4 can be nickel strap or aluminium strip.
Need to prove,, its objective is by laser-beam welding machine emitted laser bundle 1 connecting band 4 is welded on the cylindrical lithium ion battery 5 for the utility model.Consider that laser weld requires closely contact of welding assembly, therefore, the utility model adopts holddown plate 2, and by probe 3 connecting band 4 is pressed on the cylindrical lithium ion battery 5 securely, and this just provides convenience for laser weld.Then, laser beam 1 can be welded to connecting band 4 on the cylindrical lithium ion battery 5 by the laser via 20 that compresses on the frock 2.
On the specific implementation, for the utility model, for the battery production producer of working ability deficiency or the power brick model that is not enough to make holddown plate 2 for a short time in batches, battery production producer also can use the several points of resistance welded, earlier connecting band 4 is fixed on the cylindrical lithium ion battery 5, the mode that re-uses laser weld is welded, and final same the realization firmly is welded to described connecting band 4 on the cylindrical lithium ion battery 5.That is to say that the mode that the utility model can adopt resistance welded and laser weld to combine firmly is fixed and welded together described connecting band 4 and cylindrical lithium ion battery 5, under the effect of dual welding, thus the firm intensity of assurance welding.
Therefore, the welder of a kind of cylindrical lithium ion battery bag that provides for the utility model, it is when producing the cylindrical lithium ion battery bag, owing to use the laser weld mode, need not manually to go for pad, therefore not only can significantly improve the welding quality of cylindrical lithium ion battery bag, can also improve the production efficiency of cylindrical lithium ion battery bag greatly, reduce the production cost that reduces of cylindrical lithium ion battery bag, significantly reduce the battery production working strength of workers simultaneously.In addition, the employed welding procedure of welder of a kind of cylindrical lithium ion battery bag that the utility model provides, reliable and stable, maintainability is strong.
In sum, compared with prior art, the welder of a kind of cylindrical lithium ion battery bag that the utility model provides, it can make things convenient for, efficiently the brace between two cylindrical lithium ion batteries in the cylindrical lithium ion battery bag is welded on the battery case, can significantly improve the welding production efficiency and the welding quality of cylindrical lithium ion battery bag, guarantee the safe handling of cylindrical lithium ion battery bag, reduce the production cost of cylindrical lithium ion battery bag, effectively improved the market competitiveness of cylindrical lithium ion battery bag, help using aborning widely, be of great practical significance.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the welder of a cylindrical lithium ion battery bag is characterized in that, described power brick comprises a plurality of cylindrical lithium ion batteries (5), and the top of described a plurality of cylindrical lithium ion batteries (5) is provided with a connecting band (4);
Be provided with a holddown plate (2) directly over the described connecting band (4), be provided with laser-beam welding machine directly over the described holddown plate (2).
2. welder as claimed in claim 1, it is characterized in that, the a plurality of probes (3) that are provided with spaced apart between described connecting band (4) and the holddown plate (2), the two ends up and down of described probe (3) are connected with the end face of described connecting band (4) and the bottom surface of described holddown plate (2) respectively.
3. welder as claimed in claim 1 or 2, it is characterized in that, described holddown plate (2) is gone up the lateral separation and is distributed with a plurality of laser via (20), described laser via (20) be positioned at corresponding position, described cylindrical lithium ion battery (5) top on.
4. welder as claimed in claim 3 is characterized in that, is provided with described laser-beam welding machine directly over the described laser via (20).
5. welder as claimed in claim 1 is characterized in that, described connecting band (4) and cylindrical lithium ion battery (5) laser weld are together.
6. welder as claimed in claim 1 is characterized in that, the mode that described connecting band (4) and cylindrical lithium ion battery (5) adopt resistance welded and laser weld to combine is fixed and welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698971 CN203091972U (en) | 2012-12-18 | 2012-12-18 | Welding device for cylindrical lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698971 CN203091972U (en) | 2012-12-18 | 2012-12-18 | Welding device for cylindrical lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203091972U true CN203091972U (en) | 2013-07-31 |
Family
ID=48843416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220698971 Expired - Lifetime CN203091972U (en) | 2012-12-18 | 2012-12-18 | Welding device for cylindrical lithium ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203091972U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042309A (en) * | 2012-12-18 | 2013-04-17 | 天津力神电池股份有限公司 | Cylindrical lithium ion battery pack welding device |
| WO2016055133A1 (en) * | 2014-10-07 | 2016-04-14 | Audi Ag | Energy storage arrangement, a motor vehicle comprising such an energy storage arrangement, and a method for producing same |
| CN112276437A (en) * | 2019-07-25 | 2021-01-29 | 上海微电子装备（集团）股份有限公司 | Compressing head and compressing device |
-
2012
- 2012-12-18 CN CN 201220698971 patent/CN203091972U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042309A (en) * | 2012-12-18 | 2013-04-17 | 天津力神电池股份有限公司 | Cylindrical lithium ion battery pack welding device |
| WO2016055133A1 (en) * | 2014-10-07 | 2016-04-14 | Audi Ag | Energy storage arrangement, a motor vehicle comprising such an energy storage arrangement, and a method for producing same |
| US10217978B2 (en) | 2014-10-07 | 2019-02-26 | Audi Ag | Energy storage device arrangement including receiving parts having through openings for laser energy |
| CN112276437A (en) * | 2019-07-25 | 2021-01-29 | 上海微电子装备（集团）股份有限公司 | Compressing head and compressing device |
| CN112276437B (en) * | 2019-07-25 | 2022-02-18 | 上海微电子装备（集团）股份有限公司 | Compressing head and compressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |