CN203254054U - Power battery welding head - Google Patents
Power battery welding head Download PDFInfo
- Publication number
- CN203254054U CN203254054U CN 201320161745 CN201320161745U CN203254054U CN 203254054 U CN203254054 U CN 203254054U CN 201320161745 CN201320161745 CN 201320161745 CN 201320161745 U CN201320161745 U CN 201320161745U CN 203254054 U CN203254054 U CN 203254054U
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- welding head
- cylinder
- electrokinetic cell
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Abstract
The utility model relates to a power battery welding head. The welding head comprises a support, an air cylinder conveying unit and welding pressurization units. The air cylinder conveying unit comprises a pneumatic cylinder and a guide device, wherein the pneumatic cylinder and the guide device are arranged on the support and connected. The number of the welding pressurization units is two, and the welding pressurization units are respectively arranged on the guide device. Each welding pressurization unit comprises an electrode rotation air cylinder, an electrode rotation shaft, an electrode clamping block, an electrode and an optoelectronic switch. The electrode rotation air cylinders are connected with the electrode clamping blocks through the electrode rotation shafts, the electrodes are fixed on the electrode clamping blocks, and the optoelectronic switches are connected with the electrodes and transmit currents for the electrodes. Compared with the prior art, the power battery welding head has the advantages of being wide in use range, safe, reliable, good in sealing performance, convenient to maintain, and the like.
Description
Technical field
The utility model relates to the electrokinetic cell field, especially relates to a kind of electrokinetic cell welding head.
Background technology
At present, electrokinetic cell has become the required Power supply pattern of increasing industry field, and along with the develop rapidly of battery manufacture industry, security, the reliability requirement of product are also more and more higher.In the lead-out tablet for battery welding process, because material to be welded is generally the material of nickel strap or nickel plating, so easy and welding electrode generation adhesion phenomenon in the welding process, the damage face of weld affects welding quality.Simultaneously, the welding of at present general middle and high end battery component all adopts direct current transistor type resistance welded control system to weld, and when 2 kinds of different metals of welding, by changing the polarity of welding current, the weld strength of welded part has significant difference.This phenomenon that when welding occurs between unlike material is referred to as " polar effect ".Namely the welding unlike material situation under, when electric current flows into, the difference of workpiece material self-resistance rate, thereby the upper electrode heat is more than lower electrode.
Related documents also discloses the structure of relevant electrokinetic cell welding head, its utilization chases after from mechanism and solves relevant issues, but there is certain limitation in quality and the life-span of welding, and nugget forms on every side angle during welding, the tensile strength of joint and fatigue strength are all lower, and maintenance cost is also higher.And the shortcoming such as welding head has complex structure in the document, and range of application is little.
The utility model content
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of scope of application wide, safe and reliable, overhaul easily electrokinetic cell welding head.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of electrokinetic cell welding head, this head comprise support, cylinder supply unit and welding presser unit,
Described cylinder supply unit comprises pneumatic cylinder and guider, and described pneumatic cylinder is connected with guider and is located on the support,
Described welding presser unit is provided with two, all is located on the guider,
Described welding presser unit comprises electrode rotary cylinder, electrode rotary shaft, electrode fixture block, electrode and optoelectronic switch, described electrode rotary cylinder is connected with the electrode fixture block by electrode rotary shaft, described electrode is fixed on the electrode fixture block, described optoelectronic switch is connected with electrode, for electrode is carried electric current.
Described electrode rotary cylinder is provided with pressure adjustment knob.
Described pressure adjustment knob is the automatic fitration pressure-reducing valve.
Described pneumatic cylinder is provided with communication interface.
Be connected extension spring between the top of described guider and support.After welding is finished, by extension spring so that electrode reset.
When using electrokinetic cell welding head of the present utility model to weld, at first drive the welding presser unit that is located on the guider by pneumatic cylinder and be transported to the position that the workpiece welding needs, then pass through electrode rotary air cylinder driven electrode rotary behind correct position, electrode provides required pressure for workpiece, thereby make and form a stable contact resistance between the workpiece, then open optoelectronic switch, so that welding machine electric power is electrifying electrodes, the electric current of welding machine electric power output is transported to contact surface between the welded piece by electrode, make workpiece produce heat, temperature raises, the local melting contact point, thus reach the purpose that metal works is welded together.During the welding beginning, begin to fail bleeding off pressure power, judge by pressure detecting instrument whether workpiece contacts well; Secondly, under the control of the source of welding current, the operation of switching on makes welding head electrode place be split into nugget; Then the forging and pressing of cutting off the power supply make nugget crystallisation by cooling under pressure continuation effect, and formative tissue is fine and close, without the solder joint of shrinkage cavity, crackle.Weldment is pressed between two electrodes, the energising heating, fusing forms nugget in the contact position to make weldment, then outage, and in the Under Pressure Solidification crystallization, the solder joint of formative tissue densification.
According to the different requirements of welding procedure, can dispose different welding presser unit.Can only change the welding presser unit when tackling different welding work pieces or needing different plus-pressure gets final product.This kind structure is conducive to the exploitation of subsequent product, is beneficial to commercialization production.
Compared with prior art, the utlity model has following advantage:
One, the scope of application is wide: pneumatic cylinder is provided with communication interface, and the welding current actuating unit has the I/O interface, and the scope of application of head is more extensive like this.
Two, safe and reliable: welding head is that vertical cylinder drives, and this kind mechanism structure is comparatively stable, can satisfy the automotive electronics component to strong, the flexible high characteristics of welding equipment requirement integration capability.For the most important index pressure of welding head control section, adopt the automatic fitration pressure-reducing valve to adjust, reliable and stable.
Three, airtight performance is good: this invention air pressure when the parts damages such as air supply pipe does not leak.
Four, maintenance is convenient: owing to adopt modular designs, and convenient reliable during maintenance.
Five, the function that has prevent adhesion and polar effect.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model;
Fig. 3 is the Facad structure schematic diagram of welding presser unit;
Fig. 4 is the structure schematic diagram of welding presser unit.
Among the figure, 1 is support, and 2 are the welding presser unit, 3 is pneumatic cylinder, and 4 is guider, and 5 is left pressure adjustment knob, 6 is right pressure adjustment knob, and 7 is left electrode rotary cylinder, and 8 is right electrode rotary cylinder, 9 is left electrode rotary shaft, 10 is right electrode rotary shaft, and 11 is left electrode fixture block, and 12 is right electrode fixture block, 13 is left electrode, and 14 is right electrode.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
A kind of electrokinetic cell welding head, as shown in Figure 1 and Figure 2, this head comprises support 1, cylinder supply unit and welding presser unit 2, and the cylinder supply unit comprises pneumatic cylinder 3 and guider 4, and pneumatic cylinder 3 is connected with guider 4 and is located on the support 1.Welding presser unit 2 is provided with two, two welding presser unit 2 all are located at the left and right sides of guider 4, welding presser unit 2 is such as Fig. 3, shown in Figure 4, the welding presser unit 2 in left side comprises left pressure adjustment knob 5, left electrode rotary cylinder 7, left electrode rotary shaft 9, left electrode fixture block 11 and left electrode 13, wherein, left pressure adjustment knob 5 is the automatic fitration pressure-reducing valve, left pressure adjustment knob 5 is located on the left electrode rotary cylinder 7, left electrode rotary cylinder 7 is connected with left electrode fixture block 11 by left electrode rotary shaft 9, and left electrode 13 is fixed on the left electrode fixture block 11.The welding presser unit 2 on right side comprises right pressure adjustment knob 6, right electrode rotary cylinder 8, right electrode rotary shaft 10, right electrode fixture block 12 and right electrode 14, wherein, right pressure adjustment knob 6 is the automatic fitration pressure-reducing valve, right pressure adjustment knob 6 is located on the right electrode rotary cylinder 8, right electrode rotary cylinder 8 is connected with right electrode fixture block 12 by right electrode rotary shaft 1O, and right electrode 14 is fixed on the right electrode fixture block 12.Wherein, welding presser unit 2 also comprises optoelectronic switch, and optoelectronic switch is connected with left electrode 13 and right electrode 14 respectively, is left electrode 13 and right electrode 14 conveying electric currents.Pneumatic cylinder 3 is provided with communication interface.Be connected extension spring between the top of guider 4 and support 1.After welding is finished, by extension spring so that electrode reset.
When using electrokinetic cell welding head of the present utility model to weld, at first drive the welding presser unit 2 that is located on the guider 4 by pneumatic cylinder 3 and be transported to the position that the workpiece welding needs, then pass through electrode rotary air cylinder driven electrode rotary behind correct position, electrode provides required pressure for workpiece, thereby make and form a stable contact resistance between the workpiece, then open optoelectronic switch, so that welding machine electric power is electrifying electrodes, the electric current of welding machine electric power output is transported to contact surface between the welded piece by electrode, make workpiece produce heat, temperature raises, the local melting contact point, thus reach the purpose that metal works is welded together.During the welding beginning, begin to fail bleeding off pressure power, judge by pressure detecting instrument whether workpiece contacts well; Secondly, under the control of the source of welding current, the operation of switching on makes welding head electrode place be split into nugget; Then the forging and pressing of cutting off the power supply make nugget crystallisation by cooling under pressure continuation effect, and formative tissue is fine and close, without the solder joint of shrinkage cavity, crackle.Weldment is pressed between two electrodes, the energising heating, fusing forms nugget in the contact position to make weldment, then outage, and in the Under Pressure Solidification crystallization, the solder joint of formative tissue densification.
According to the different requirements of welding procedure, can dispose different welding presser unit 2.Can only change welding presser unit 2 when tackling different welding work pieces or needing different plus-pressure gets final product.This kind structure is conducive to the exploitation of subsequent product, is beneficial to commercialization production.
Claims (5)
1. an electrokinetic cell welding head is characterized in that, this head comprises support, cylinder supply unit and welding presser unit,
Described cylinder supply unit comprises pneumatic cylinder and guider, and described pneumatic cylinder is connected with guider and is located on the support,
Described welding presser unit is provided with two, all is located on the guider,
Described welding presser unit comprises electrode rotary cylinder, electrode rotary shaft, electrode fixture block, electrode and optoelectronic switch, described electrode rotary cylinder is connected with the electrode fixture block by electrode rotary shaft, described electrode is fixed on the electrode fixture block, described optoelectronic switch is connected with electrode, for electrode is carried electric current.
2. a kind of electrokinetic cell welding head according to claim 1 is characterized in that, described electrode rotary cylinder is provided with pressure adjustment knob.
3. a kind of electrokinetic cell welding head according to claim 2 is characterized in that, described pressure adjustment knob is the automatic fitration pressure-reducing valve.
4. a kind of electrokinetic cell welding head according to claim 1 is characterized in that described pneumatic cylinder is provided with communication interface.
5. a kind of electrokinetic cell welding head according to claim 1 is characterized in that, is connected extension spring between the top of described guider and support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161745 CN203254054U (en) | 2013-04-02 | 2013-04-02 | Power battery welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161745 CN203254054U (en) | 2013-04-02 | 2013-04-02 | Power battery welding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203254054U true CN203254054U (en) | 2013-10-30 |
Family
ID=49466660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320161745 Expired - Fee Related CN203254054U (en) | 2013-04-02 | 2013-04-02 | Power battery welding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203254054U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735810A (en) * | 2016-12-25 | 2017-05-31 | 无锡塔尔基热交换器科技有限公司 | Automatic butt-welding device |
| CN108145296A (en) * | 2016-12-05 | 2018-06-12 | 苏州新世得机电设备有限公司 | Battery group welding executive device, robot and battery pack welding production work station |
| CN111889865A (en) * | 2020-08-19 | 2020-11-06 | 南京莱迪新能源科技有限公司 | Automatic butt-welding equipment for lithium battery production line |
-
2013
- 2013-04-02 CN CN 201320161745 patent/CN203254054U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145296A (en) * | 2016-12-05 | 2018-06-12 | 苏州新世得机电设备有限公司 | Battery group welding executive device, robot and battery pack welding production work station |
| CN106735810A (en) * | 2016-12-25 | 2017-05-31 | 无锡塔尔基热交换器科技有限公司 | Automatic butt-welding device |
| CN111889865A (en) * | 2020-08-19 | 2020-11-06 | 南京莱迪新能源科技有限公司 | Automatic butt-welding equipment for lithium battery production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140402 |