CN202224840U - Welding device for tab and cover plate of lithium ion battery - Google Patents
Welding device for tab and cover plate of lithium ion battery Download PDFInfo
- Publication number
- CN202224840U CN202224840U CN2011203371522U CN201120337152U CN202224840U CN 202224840 U CN202224840 U CN 202224840U CN 2011203371522 U CN2011203371522 U CN 2011203371522U CN 201120337152 U CN201120337152 U CN 201120337152U CN 202224840 U CN202224840 U CN 202224840U
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- bed die
- cover plate
- base
- lithium ion
- die
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Abstract
The utility model relates to a welding device for a tab and a cover plate of a lithium ion battery, which belongs to the technical field of manufacturing equipment of lithium ion batteries and comprises an ultrasonic welder. A base is disposed below a welding head of the ultrasonic welder, a base groove is arranged on the upper end face of the base, a bottom die is fixedly disposed in the groove and corresponds to the welding head of the welder, the upper end face of the bottom die is not higher than the upper end face of the base, a positioning die is arranged on the upper end face of the base die and inside the bottom die, and the positioning die is fixed to the bottom die through fastening screws. The positioning die of the welding device is optionally adjustable, adaptable to cover plates of different widths, accurate in positioning during welding and high in universality. The welding device is simple in structure, low in cost and simple in operation, and the efficiency of welding the tab and the cover plate for the lithium ion battery is high.
Description
Technical field
The utility model relates to the welder of a kind of lithium ion cell polar ear and cover plate, belongs to lithium ion battery manufacturing technology field.
Background technology
Rectangular lithium ion battery comprises housing, is contained in battery roll core and electrolyte in the housing and the cover plate that is used for seal casinghousing; Battery roll core wherein is around forming by the membrane coil between positive plate, negative plate and the positive/negative plate; Be respectively equipped with the anode ear, the negative electrode lug that are used to draw electric current on positive plate, the negative plate; Battery roll core is packed into behind the housing, needs to be welded on the cover plate from the lug that positive plate and negative plate are drawn.The welding of anode ear and cover plate is welded through bonding machine; At present, the general anode ear and the welding manner of cover plate are earlier lug and cover plate to be placed on the weld mold; Manual location through artificial is connected together lug and bridge welding with ultrasonic welding machine then.This kind welding manner, lug and cover plate all need artificial manual location, get up to waste time and energy in the location; And locate inaccurate; Lug on the cover board welds when long or too short, behind the dress lid, and the easy perk in aluminium pole ears position or cut off by the aluminum hull edge; Cause after the laser weld battery gas leakage or short circuit and battery is scrapped, production cost raises significantly.The minority device is arranged through improving, cover plate and lug are carried out spacing, but there is certain problem in the improvement of this device, and the production operation difficulty of getting up is bigger, and production cost rises, the efficient reduction.
Chinese patent CN 2936531Y has announced a kind of ultrasonic brazing unit that is used to weld lithium ion cell polar ear and cap assemblies.This welder comprises ultrasonic bonding machine, jig, and jig is arranged on the below of ultrasonic welding machine soldering tip, and on jig, has groove, and in groove, is provided with boss.Though this device can play positioning action; But the following shortcoming that exists at first, has groove in order to the location cover plate on this jig; The specification of battery is a lot of in the lithium ion battery industry now; The width that is battery cover board has nothing in common with each other, and this mould can only be located a kind of cover plate of specification battery, and versatility is relatively poor; Secondly, the jig of general manufacturer production all is a flat-die, and has groove on this novel jig, need carry out die sinking to positioning module, and this kind mould needs customization, so cost is higher; In addition, during owing to welded cover plate and lug, need cover plate accurately be placed on the boss in the groove, manipulate, speed is slow, and production efficiency is low.
Summary of the invention
Deficiency to prior art; The utility model provides the welder of a kind of battery pole ear and cover plate; It is applicable to the cover plate of different in width, and can accurately locate during welding, and it has, and highly versatile, cost are low, the characteristics such as efficient height of welding battery pole ear and cover plate.
Explanation of nouns:
Machine is inboard: be meant the side of bed die near bonding machine.
The machine outside: be meant the side of bed die away from bonding machine.
The technical scheme of the utility model is following:
The welder of a kind of lithium ion cell polar ear and cover plate comprises ultrasonic welding machine, below the soldering tip of ultrasonic welding machine, is provided with base; The upper surface of base is provided with base groove, is set with bed die in the base groove, and the soldering tip of bed die and bonding machine is relative; It is characterized in that: the upper surface height of bed die is not higher than the upper surface of base; On the upper surface of bed die, be provided with positioning module, positioning module is positioned at the machine inboard of bed die, and positioning module is fixed through fixed screw and bed die.
Preferably, described positioning module comprises a crossbeam and dual-side, and crossbeam is positioned on the upper surface of bed die, and dual-side is positioned on the relative side of bed die two.
Described bed die is the square bodily form.The advantage of this kind design: the long-term use, a face of bed die has wearing and tearing, and bed die is replaceable other faces of the square bodily form to be used.
One sidewall of said base groove is provided with fixed screw, and fixed screw is fixed on bed die in the base groove.
The beneficial effect of the utility model is:
The lithium ion cell polar ear of the utility model and the welder of cover plate, positioning module can free adjustment, can be applicable to the cover plate of different in width.This use new structure is simple, highly versatile, and cost is low, can accurately the locating of easy to operate and when welding, the utility model can be enhanced productivity, and the battery consistency of producing is high.
Description of drawings
Fig. 1 is the side structure sketch map of the utility model;
Fig. 2 is the Facad structure sketch map of the utility model;
Wherein, 1, base; 2, base groove; 3, bed die; 4, fixed screw a; 5, positioning module; 6, fixed screw b; 7, the soldering tip of bonding machine.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done to further describe, but the utility model protection domain is not limited thereto.
Embodiment:
The welder of a kind of lithium ion cell polar ear and cover plate; Structure such as Fig. 1, shown in Figure 2 comprise ultrasonic welding machine, below the soldering tip 7 of ultrasonic welding machine, are provided with base; The upper surface of base 1 is provided with base groove 2; One sidewall of base groove 2 is provided with fixed screw a4, is provided with bed die 3 in the base groove 2, and fixed screw a4 is fixed on bed die 3 in the base groove 2.The upper surface height of bed die 3 is not higher than the upper surface of base 1, and the utility model is preferred, and the upper surface of bed die 3 is concordant with the upper surface of base 1.The soldering tip 7 of bonding machine is relative with bed die 3.
On the upper surface of bed die 3, be provided with positioning module 5, positioning module 5 is positioned at the machine inboard of bed die 3, and structure is as shown in Figure 1.Positioning module 5 comprises a crossbeam and dual-side, and crossbeam is positioned on the upper surface of bed die 3, and dual-side is positioned on 3 liang of relative sides of bed die, and structure is shown in positioning module among Fig. 25.Positioning module 5 can move front and back on bed die 3, can after the position of positioning module 5 is definite, positioning module 5 be fixed on the upper surface of bed die 3 with fixed screw b6 according to the cover plate adjustment positioning module of different in width before using.
Bed die 3 is the square bodily form.The long-term use, face of bed die has wearing and tearing, and bed die is replaceable other faces of the square bodily form to be used.
Before the use; Adjustment positioning module 5 also is fixed: earlier cover plate is placed on the upper surface of bed die 3, and be positioned at bonding machine soldering tip 7 under, the soldering tip 7 of bonding machine is depressed pushed down cover plate then; Running fix mould 5 abut against cover; Be fixed with fixed screw b6 then, after adjustment is accomplished, can unclamp the soldering tip 7 of bonding machine.During use, cover plate and lug are adjacent to positioning module 5, step on ultrasonic bonding machine soldering tip 7 then and weld.
Claims (4)
1. the welder of lithium ion cell polar ear and cover plate comprises ultrasonic welding machine, below the soldering tip of ultrasonic welding machine, is provided with base; The upper surface of base is provided with base groove, is set with bed die in the base groove, and the soldering tip of bed die and bonding machine is relative; It is characterized in that: the upper surface height of bed die is not higher than the upper surface of base; On the upper surface of bed die, be provided with positioning module, positioning module is positioned at the machine inboard of bed die, and positioning module is fixed through fixed screw and bed die.
2. the welder of lithium ion cell polar ear according to claim 1 and cover plate is characterized in that: described positioning module comprises a crossbeam and dual-side, and crossbeam is positioned on the upper surface of bed die, and dual-side is positioned on the relative side of bed die two.
3. the welder of lithium ion cell polar ear according to claim 1 and cover plate is characterized in that: described bed die is the square bodily form.
4. the welder of lithium ion cell polar ear according to claim 1 and cover plate is characterized in that: a sidewall of said base groove is provided with fixed screw, and fixed screw is fixed on bed die in the base groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203371522U CN202224840U (en) | 2011-09-08 | 2011-09-08 | Welding device for tab and cover plate of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203371522U CN202224840U (en) | 2011-09-08 | 2011-09-08 | Welding device for tab and cover plate of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224840U true CN202224840U (en) | 2012-05-23 |
Family
ID=46075447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203371522U Expired - Fee Related CN202224840U (en) | 2011-09-08 | 2011-09-08 | Welding device for tab and cover plate of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202224840U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231042A (en) * | 2013-04-25 | 2013-08-07 | 吴江市董鑫塑料包装厂 | Stripping device |
| CN103928652A (en) * | 2014-04-30 | 2014-07-16 | 广州市新栋力超声电子设备有限公司 | Optimized layout of power battery electrode, as well as ultrasonic welding method and device |
| CN105436690A (en) * | 2015-12-31 | 2016-03-30 | 苏州润昇精密机械有限公司 | Ultrasonic welding head |
| CN110640293A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | Welding base capable of quickly changing surface and welding device |
-
2011
- 2011-09-08 CN CN2011203371522U patent/CN202224840U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231042A (en) * | 2013-04-25 | 2013-08-07 | 吴江市董鑫塑料包装厂 | Stripping device |
| CN103928652A (en) * | 2014-04-30 | 2014-07-16 | 广州市新栋力超声电子设备有限公司 | Optimized layout of power battery electrode, as well as ultrasonic welding method and device |
| CN105436690A (en) * | 2015-12-31 | 2016-03-30 | 苏州润昇精密机械有限公司 | Ultrasonic welding head |
| CN110640293A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | Welding base capable of quickly changing surface and welding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20200908 |