CN103264154B - Tank formation manufacturing technology for storage batteries - Google Patents
Tank formation manufacturing technology for storage batteries Download PDFInfo
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- CN103264154B CN103264154B CN201310180132.2A CN201310180132A CN103264154B CN 103264154 B CN103264154 B CN 103264154B CN 201310180132 A CN201310180132 A CN 201310180132A CN 103264154 B CN103264154 B CN 103264154B
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Abstract
The invention discloses a tank formation manufacturing technology for storage batteries,relates to the field of lead-acid storage battery production and solves the problem of the poor welding quality between bus-bars and electrode tabs. The manufacturing technology comprises the technological processes of feeding of plate packs in an assembly box, electrode tab arrangement, cutting and brushing of electrode tabs, dipping of flux, cast-welding, inspection and discharging after qualification. The cast-welding process is performed through a cast-welding machine and comprises the following steps: 1) heating of a lead pan; 2) preheating of a lower die; 3) scrapping of molten lead; 4) electrode tab cast-welding; 5) water cooling; 6) water vapor mixing cooling; 7) gas cooling; 8) secondary preheating of the lower die; and 9) feeding of the electrode tabs in battery containers. The manufacturing technology is used for cast-welding of lead-acid storage battery grids.
Description
Technical field
The present invention relates to lead-acid accumulator field, particularly a kind of tank formation battery manufacture craft.
Background technology
Traditional lead-acid accumulator welding procedure is welded for craft oxygen-acetylene, the pole group wrapped normally first is loaded pole group's box by traditional manual welding, then lug is snapped in pecten, press with card article shaping again, then the part of having cast is placed at bus-bar part position, freeze with oxygen-acetylene welding gun, at pecten of decorporating, the pole group welded is loaded battery case.Welding quality affects comparatively large by personnel's experience technical ability, easily occur that dividing plate is burnt, bus-bar surface irregularity, have lead skim, burr; The thickness at lug rosin joint, dry joint, tab welding place is difficult to reach bus-bar thickness.In use, due to welding quality defects, bus-bar corrosion resistance is poor for battery, and after some circulating batteries tens circulation, lug and bus-bar weld occur that corrosion comes off, and battery is scrapped.Traditional manual welding technique process is various, and welding quality can not get effective guarantee, and inefficiency is time-consuming.Also have and adopt semi-automatic cast welding, its production procedure is, first the pole group wrapped is entered to assemble box, brush lug is cut after lug shaping, then artificial being placed in plumbous stove by cast welding bottom die is heated, again cast welding bottom die is taken out rapidly, fast assembling box is inverted on cast welding bottom die, and make lug be positioned at busbar channel.This semi-automatic cast welding mode labour intensity is comparatively large, and time, the temperature of cast welding are wayward, easily occurs the quality problems such as the false weldering of lug.Also had in recent years and adopted cast welding machine automatic cast welding, but often occurred cast welding low qualified, the quality problems such as bus-bar is rough even has hole, the false weldering of lug.
Summary of the invention
The object that the present invention will reach just is to provide a kind of tank formation battery manufacture craft, improves the welding quality of bus-bar and lug, improves the corrosion resistance of bus-bar.
In order to achieve the above object, the present invention adopts following technical scheme: a kind of tank formation battery manufacture craft, flow process includes that pole group enters to assemble box, arranges lug, cuts brush lug, dips in scaling powder, cast welding, inspection, qualified lower turn, wherein cast welding flow process adopts cast welding machine to carry out cast welding, it is characterized in that: described cast welding flow process comprises the following steps:
1) lead pan heating: by the heating temperatures of cast welding machine lead pan, make the metal of cast welding be fused into plumbous liquid;
2) counterdie preheating: the counterdie of cast welding machine is carried out preheating with plumbous liquid in cast welding machine lead pan;
3) scrape deleading liquid: after counterdie preheating, the unnecessary plumbous liquid on counterdie surface is scraped off;
4) pole group cast welding: carry out cast welding in busbar channel pole group's lug being embedded into counterdie and form pole group's foundry goods, cast-weld time is 1.5 ~ 7 seconds;
5) water cooling: in the water-cooling channel of cast welding machine, counterdie cools by water flowing, the pole group's foundry goods cooling simultaneously will formed after cast welding, cool time is 2 ~ 5 seconds;
6) gas-vapor mix cooling: the pole group's foundry goods formed after ventilation makes cast welding in water flowing in the water-cooling channel of cast welding machine, air cooling passage cools further, and cool time is 3 ~ 9 seconds;
7) air cooling but: the pole group's foundry goods formed after ventilation makes cast welding in air cooling passage further cools, and cool time is 3 ~ 5 seconds, is drained by the water in water-cooling channel simultaneously;
8) counterdie preheating again: postponed by counterdie motionless, then decline, progresses in cast welding machine lead pan, again carries out preheating;
9) pole group enters groove: the pole group's foundry goods cooled loads in battery case by the Pneumatic component starting cast welding machine.
Further, in described arrangement lug flow process, correct pole group's lug and same row lug is positioned on a line.
Further, described in cut in brush lug flow process, adopt and cut brush lug machine and the upper end-grain cutting of pole group's lug is put down and the oxide layer on group's lug surface, pole and attachment are brushed off.
Further, described in dip in scaling powder flow process, scaling powder adopts water-based scaling powder, dip in scaling powder time≤2.5 seconds.
Further, in described lead pan heating steps, the temperature after the heating of cast welding machine lead pan remains on 490 ~ 530 DEG C.
Further, in described counterdie preheating step, preheating time is 20 ~ 28 seconds.
Further, described counterdie is again in preheating step, and the time that counterdie postpones is 1 ~ 2 second.
Further, described pole group enters in groove step, enters groove time controling at 1.3 ~ 3 seconds.
Further, the bleed pressure of the Pneumatic component of described cast welding machine controls within the scope of 0.45 ~ 0.7MPa.
After adopting technique scheme, tool of the present invention has the following advantages: bus-bar effective thickness increases, and effective thickness refers to the thinnest part thickness of bus-bar cross-sectional area, and mean value can reach 4.5mm, and corrosion resistance improves; The welding quality of bus-bar and lug is improved, and without rosin joint, dry joint, pore, without lead skim, burr, crackle etc., the welding of plate ear is firm, does not have drawing-die phenomenon, non-inductive windings scaling loss, and one time solder yield can reach 99.34%.
Detailed description of the invention
A kind of tank formation battery manufacture craft, technological process includes that pole group enters to assemble box, arranges lug, cuts brush lug, dips in scaling powder, cast welding, inspection, qualified lower turn, check that bleed pressure is within the scope of 0.45 ~ 0.7MPa, as 0.45MPa or 0.5MPa or 0.6MPa or 0.7MPa, make the Pneumatic component energy trouble-free operation of cast welding machine, specific as follows.
Pole group enters to assemble box: first check the pole group's quality test set-up pressure wrapped, pole group's quality and assembling pressure meet processing quality requirement, the pole group wrapped is loaded successively in the single cavities of assembling box, notice that consecutive roots group polarity meets series sequence between battery cell, can not antipole.
Arrange lug: the card article of high-ranking officers' anode ear is placed between the positive and negative lug of pole group; pole group's lug is corrected with lug reshaping clamp; same row lug is made to be positioned on a line; the pole plate dislocation avoiding lug to misplace causing; during guarantee cast welding, lug can enter in cast welding bottom die busbar channel smoothly, and the pole group pulling assembling box compresses spanner, and pole group is compressed; and lock pole group's box, take off card article.The Main Function of correction lug can allow lug enter smoothly in the busbar channel of cast welding bottom die when being cast welding.If lug is not point-blank, then, during cast welding, the lug that will have withstands on cast welding bottom die, can not enter in busbar channel smoothly.At this moment, after the lug withstood on outside busbar channel will first melt, the lug of whole pole group could embed in mould busbar channel.Due to this increased periods, whole pole group's lug embeds the time in busbar channel, and the plumbous liquid temp in busbar channel will decline, and cast welding energy provides by the plumbous liquid in busbar channel, and the plumbous liquid in busbar channel limits by mould.During cast welding, lug can not embed in busbar channel smoothly, and cast welding energy will lose, and will produce false weldering when cast welding energy can not satisfy the demands, lug can not fully fuse.
Cut brush lug: the assembling box that pole group is housed is inverted in the stainless steel mesh sheet location place of cutting on brush lug machine, start and cut brush lug machine, make the cutting knife of lug through over-rotation of pole group, lug top is cut sub-fraction by cutting knife, then the oxide layer on lug surface and attachment are brushed off by the wire brush rotated by the lug of pole group, and more than 1/3 of lug will polish metallic luster.The object of this step is exactly the lead plaster that the oxide layer of the lead removing tab welding place and lug adhere to, and the lead plaster of plumbous oxide layer and lug attachment is difficult to fusing, and when can make cast welding after removing, lug and strap fuses together well.
Dip in scaling powder: dip in water-based scaling powder, time≤2.5 seconds, dip in scaling powder and lug is better welded with bus-bar, but partially long if dip in the scaling powder time, scaling powder will be climb along lug, and scaling powder consumption is large, waste.If can not cast welding in time after dipping in scaling powder, then scaling powder volatility be stronger, and after scaling powder volatilization, effect is just poor.
Cast welding: adopt cast welding machine to carry out cast welding, concrete cast welding flow process comprises the following steps:
1) lead pan heating: by the heating temperatures of cast welding machine lead pan, the temperature after the heating of cast welding machine lead pan remains on 490 ~ 530 DEG C, such as 500 DEG C, makes the metal of cast welding be fused into plumbous liquid;
2) counterdie preheating: the counterdie of cast welding machine is carried out preheating with plumbous liquid in cast welding machine lead pan, preheating time is 20 ~ 28 seconds;
3) scrape deleading liquid: after counterdie preheating, the unnecessary plumbous liquid on counterdie surface is scraped off;
4) pole group cast welding: carry out cast welding in busbar channel pole group's lug being embedded into counterdie and form pole group's foundry goods, cast-weld time is 1.5 ~ 7 seconds;
5) water cooling: in the water-cooling channel of cast welding machine, counterdie cools by water flowing, the pole group's foundry goods cooling simultaneously will formed after cast welding, cool time is 2 ~ 5 seconds;
6) gas-vapor mix cooling: the pole group's foundry goods formed after ventilation makes cast welding in water flowing in the water-cooling channel of cast welding machine, air cooling passage cools further, and cool time is 3 ~ 9 seconds;
7) air cooling but: the pole group's foundry goods formed after ventilation makes cast welding in air cooling passage further cools, and cool time is 3 ~ 5 seconds, is drained by the water in water-cooling channel simultaneously;
8) counterdie preheating again: counterdie is postponed motionless, the time that counterdie postpones is 1 ~ 2 second, then declines, progresses in cast welding machine lead pan, again carry out preheating;
9) pole group enters groove: the pole group's foundry goods cooled loads in battery case by the Pneumatic component starting cast welding machine, enters groove time controling at 1.3 ~ 3 seconds.
Inspection: take out the battery that cast welding is good, inspection cast welding quality.
Qualified lower turn: up-to-standard latter lower turn of cast welding.
In above-described embodiment, through the battery that short-circuit test is qualified, buckle closure seal, put O type circle, welding end son, then terminal sealant sealing, after sealing glue solidifying is good, acid adding, change into discharge and recharge combo, battery performance detection.Illustrate, the design thickness of bus-bar is 4.5mm, adopts tank formation battery manufacture craft of the present invention, and effective throat thickness of the battery bus after cast welding and traditional manual welding and the semi-automatic cast welding data that compare are as follows:
One time solder yield correction data is as follows:
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make various change and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (9)
1. a tank formation battery manufacture craft, flow process includes that pole group enters to assemble box, arranges lug, cuts brush lug, dips in scaling powder, cast welding, inspection, qualified lower turn, wherein cast welding flow process adopts cast welding machine to carry out cast welding, it is characterized in that: described cast welding flow process comprises the following steps:
1) lead pan heating: by the heating temperatures of cast welding machine lead pan, make the metal of cast welding be fused into plumbous liquid;
2) counterdie preheating: the counterdie of cast welding machine is carried out preheating with plumbous liquid in cast welding machine lead pan;
3) scrape deleading liquid: after counterdie preheating, the unnecessary plumbous liquid on counterdie surface is scraped off;
4) pole group cast welding: carry out cast welding in busbar channel pole group's lug being embedded into counterdie and form pole group's foundry goods, cast-weld time is 1.5 ~ 7 seconds;
5) water cooling: in the water-cooling channel of cast welding machine, counterdie cools by water flowing, the pole group's foundry goods cooling simultaneously will formed after cast welding, cool time is 2 ~ 5 seconds;
6) gas-vapor mix cooling: the pole group's foundry goods formed after ventilation makes cast welding in water flowing in the water-cooling channel of cast welding machine, air cooling passage cools further, and cool time is 3 ~ 9 seconds;
7) air cooling but: the pole group's foundry goods formed after ventilation makes cast welding in air cooling passage further cools, and cool time is 3 ~ 5 seconds, is drained by the water in water-cooling channel simultaneously;
8) counterdie preheating again: postponed by counterdie motionless, then decline, progresses in cast welding machine lead pan, again carries out preheating;
9) pole group enters groove: the pole group's foundry goods cooled loads in battery case by the Pneumatic component starting cast welding machine.
2. tank formation battery manufacture craft according to claim 1, is characterized in that: in described arrangement lug flow process, corrects pole group's lug and same row lug is positioned on a line.
3. tank formation battery manufacture craft according to claim 1, is characterized in that: described in cut in brush lug flow process, adopt and cut brush lug machine and the upper end-grain cutting of pole group's lug is put down and the oxide layer on group's lug surface, pole and attachment are brushed off.
4. tank formation battery manufacture craft according to claim 1, is characterized in that: described in dip in scaling powder flow process, scaling powder adopts water-based scaling powder, dip in scaling powder time≤2.5 seconds.
5. according to the arbitrary described tank formation battery manufacture craft of claim 1-4, it is characterized in that: in described lead pan heating steps, the temperature after the heating of cast welding machine lead pan remains on 490 ~ 530 DEG C.
6., according to the arbitrary described tank formation battery manufacture craft of claim 1-4, it is characterized in that: in described counterdie preheating step, preheating time is 20 ~ 28 seconds.
7. according to the arbitrary described tank formation battery manufacture craft of claim 1-4, it is characterized in that: described counterdie is again in preheating step, and the time that counterdie postpones is 1 ~ 2 second.
8., according to the arbitrary described tank formation battery manufacture craft of claim 1-4, it is characterized in that: described pole group enters in groove step, enter groove time controling at 1.3 ~ 3 seconds.
9. tank formation battery manufacture craft according to claim 8, is characterized in that: the bleed pressure of the Pneumatic component of described cast welding machine controls within the scope of 0.45 ~ 0.7MPa.
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| CN201310180132.2A CN103264154B (en) | 2013-05-14 | 2013-05-14 | Tank formation manufacturing technology for storage batteries |
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| CN201310180132.2A CN103264154B (en) | 2013-05-14 | 2013-05-14 | Tank formation manufacturing technology for storage batteries |
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| CN103264154A CN103264154A (en) | 2013-08-28 |
| CN103264154B true CN103264154B (en) | 2015-01-07 |
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| CN110899668A (en) * | 2019-12-16 | 2020-03-24 | 天能电池(芜湖)有限公司 | Cast-weld production process of storage battery without soldering flux |
| CN112687885A (en) * | 2020-11-17 | 2021-04-20 | 江苏夕川科技有限公司 | Cast-welding method for lead pole with copper core |
| CN114388900A (en) * | 2021-12-10 | 2022-04-22 | 淄博火炬能源有限责任公司 | Large power lead-acid storage battery pole group manufacturing method and lead-acid storage battery pole group |
| CN114406242A (en) * | 2021-12-13 | 2022-04-29 | 安徽力普拉斯电源技术有限公司 | Cast welding method for power battery for electric road vehicle |
| CN114260531A (en) * | 2022-01-05 | 2022-04-01 | 江苏夕川科技有限公司 | Welding method for lead-acid storage battery |
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| CA2071791A1 (en) * | 1991-09-03 | 1993-03-04 | Renard E. Mix | Battery construction and method of connecting terminals to electrodes |
| JP3438246B2 (en) * | 1993-01-25 | 2003-08-18 | 新神戸電機株式会社 | Lead storage battery electrode group welding method and apparatus |
| JP3507299B2 (en) * | 1997-09-05 | 2004-03-15 | 松下電器産業株式会社 | Method and apparatus for manufacturing lead storage battery |
| JP2001185206A (en) * | 1999-12-24 | 2001-07-06 | Shin Kobe Electric Mach Co Ltd | Lead-acid battery and manufacturing method therefor |
| CN1279636C (en) * | 2004-06-21 | 2006-10-11 | 陈刚 | A method of temperature controlled minitype lead-acid cell electrode group flow welding and cementing |
| CN100578842C (en) * | 2008-05-06 | 2010-01-06 | 江苏超威电源有限公司 | Connecting process of polar plate of lead acid batteries |
| CN102157748B (en) * | 2011-03-16 | 2013-07-31 | 安徽理士电池技术有限公司 | Equipment and method for assembling storage battery |
| CN102891278A (en) * | 2012-10-18 | 2013-01-23 | 双登集团股份有限公司 | Casting and welding method of lead-acid storage battery busbar |
| CN102909350A (en) * | 2012-10-19 | 2013-02-06 | 林川 | Trans-bridge-free cast-weld manufacturing process of storage battery |
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