CN103264154A - Tank formation manufacturing technology for storage batteries - Google Patents
Tank formation manufacturing technology for storage batteries Download PDFInfo
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- CN103264154A CN103264154A CN2013101801322A CN201310180132A CN103264154A CN 103264154 A CN103264154 A CN 103264154A CN 2013101801322 A CN2013101801322 A CN 2013101801322A CN 201310180132 A CN201310180132 A CN 201310180132A CN 103264154 A CN103264154 A CN 103264154A
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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 the lead-acid accumulator field, particularly a kind of outer battery manufacture craft that changes into.
Background technology
Traditional lead-acid accumulator welding procedure is welded with oxygen-acetylene for manual, the utmost point group that traditional manual welding normally will be wrapped the earlier utmost point group box of packing into, then lug is snapped in pecten, again with the card article shaping and press, then place the good part of casting at the bus-bar part position, freeze with the oxygen-acetylene welding gun, at the pecten of decorporating, the utmost point group that welding is the good battery case of packing into.It is bigger that welding quality is influenced by personnel's experience technical ability, occurs dividing plate easily by scaling loss, and the bus-bar surface irregularity has lead skim, burr; The thickness of lug rosin joint, dry joint, lug weld is difficult to reach bus-bar thickness.Battery in use because welding quality defects, the bus-bar corrosion resistance is relatively poor, lug occurs corroding with the bus-bar weld and comes off after tens circulations of battery circulation that have, battery is scrapped.Traditional manual welding technique process is various, and welding quality can not get effective assurance, and inefficiency is time-consuming.Also have and adopt semi-automatic cast welding, its production procedure is, the utmost point group that will wrap earlier goes into to assemble box, cut the brush lug after the lug shaping, manually the cast welding bed die is placed in the plumbous stove then and heat, again the cast welding bed die is taken out rapidly, will assemble box fast and be inverted on the cast welding bed die, and make lug be positioned at busbar channel.This semi-automatic cast welding mode labour intensity is bigger, and time, the temperature of cast welding are wayward, occurs quality problems such as the false weldering of lug easily.Also had in recent years and adopt the automatic cast welding of cast welding machine, but it is on the low side the cast welding qualification rate often to occur, bus-bar is rough even quality problems such as hole, the false weldering of lug are arranged.
Summary of the invention
The purpose that the present invention will reach just provides a kind of outer battery manufacture craft that changes into, and 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 outer battery manufacture craft that changes into, flow process includes utmost point group and goes into to assemble box, arrangement lug, cuts the brush lug, dips in scaling powder, cast welding, check, qualifiedly changes down, wherein cast welding flow process adopts the cast welding machine to carry out cast welding, and it is characterized in that: described cast welding flow process may further comprise the steps:
1) lead pan heating: with the temperature heating of cast welding machine lead pan, the metal that cast welding is used is 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 the counterdie preheating, the unnecessary plumbous liquid on counterdie surface is scraped off;
4) utmost point group cast welding: utmost point group lug is embedded into carries out cast welding in the busbar channel of counterdie and form utmost point group foundry goods, the cast welding time is 1.5～7 seconds;
5) water cooling: counterdie is cooled off in water flowing in the water-cooling channel of cast welding machine, and with the utmost point group foundry goods cooling that forms after the cast welding, be 2～5 seconds cool time simultaneously;
6) gas-vapor mix cooling: ventilation is further cooled off the utmost point group foundry goods that forms after the cast welding in water flowing in the water-cooling channel of cast welding machine, the air cooling passage, and be 3～9 seconds cool time;
7) air cooling but: ventilation is further cooled off the utmost point group foundry goods that forms after the cast welding in the air cooling passage, and be 3～5 seconds cool time, simultaneously the water in the water-cooling channel drained;
8) counterdie preheating again: counterdie is postponed motionless, descend then, progress in the cast welding machine lead pan, carry out preheating again;
9) utmost point group goes into groove: the Pneumatic component that starts the cast welding machine will cool off the utmost point group foundry goods of getting well and pack in the battery case.
Further, in the described arrangement lug flow process, proofread and correct utmost point group lug same row lug is positioned on the line.
Further, described cutting in the brush lug flow process, employing is cut brush lug machine the last end-grain cutting of utmost point group lug is put down and oxide layer and the attachment on utmost point group lug surface are brushed.
Further, described dipping in the scaling powder flow process, scaling powder adopts the water-based scaling powder, dips in time≤2.5 second of scaling powder.
Further, in the described lead pan heating steps, cast welding machine lead pan heated temperatures remains on 490～530 ℃.
Further, in the described counterdie preheating step, be 20～28 seconds preheating time.
Further, in the preheating step, the time that counterdie postpones is 1～2 second to described counterdie again.
Further, described utmost point group goes in the groove step, goes into the control of groove time at 1.3～3 seconds.
Further, the control of the bleed pressure of the Pneumatic component of described cast welding machine is in 0.45～0.7MPa scope.
After adopting technique scheme, the present invention has following advantage: the 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, no rosin joint, dry joint, pore, and no lead skim, burr, crackle etc., the welding of plate ear is firm, does not have the drawing-die phenomenon, no dividing plate scaling loss, one time solder yield can reach 99.34%.
The specific embodiment
A kind of outer battery manufacture craft that changes into, technological process includes utmost point group and goes into to assemble box, arrangement lug, cuts the brush lug, dips in scaling powder, cast welding, check, qualifiedly changes down, check that bleed pressure is in 0.45～0.7MPa scope, all can 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.
Utmost point group goes into to assemble box: check utmost point group quality and the test set-up pressure of wrapping earlier, utmost point group quality and assembling pressure meet the processing quality requirement, the utmost point group who wraps is packed in the monomer cavity that assembles box successively, notice that consecutive roots group polarity meets series sequence between battery cell, can not antipole.
The arrangement lug: the card article of high-ranking officers' anode ear places between the positive and negative lug of utmost point group; proofread and correct utmost point group lug with the lug reshaping clamp; same row lug is positioned on the line; the pole plate dislocation of avoiding the lug dislocation to cause; lug can be gone in the cast welding bed die busbar channel smoothly when guaranteeing cast welding, and the utmost point group who pulls the assembling box compresses spanner, and utmost point group is compressed; and locking utmost point group box, take off card article.The main effect of correction lug can allow lug enter smoothly in the busbar channel of cast welding bed die when being cast welding.If lug is not point-blank, then during cast welding, the lug that will have withstands on the cast welding bed die, can not enter in the busbar channel smoothly.At this moment withstand on after the outer lug of busbar channel will melt earlier, whole utmost point group's lug could embed in the mould busbar channel.Embed the interior time of busbar channel because this process has prolonged whole utmost point group lug, the plumbous liquid temp in the busbar channel will descend, and the cast welding energy provides by the plumbous liquid in the busbar channel, and the plumbous liquid in the busbar channel is limited by mould.Lug can not embed in the busbar channel smoothly during cast welding, and the cast welding energy will lose, and will produce false weldering when the cast welding energy can not satisfy the demands, and lug can not fully fuse.
Cut the brush lug: the assembling box that utmost point group will be housed is inverted in the place, stainless (steel) wire sheet location of cutting on the brush lug machine, start the brush lug machine of cutting, make utmost point group's lug through the cutting knife of rotation, cutting knife cuts sub-fraction with lug top, then utmost point group's lug by the rotation wire brush oxide layer and the attachment on lug surface are brushed, lug to polish metallic luster more than 1/3.The purpose of this step is exactly to remove the lead plaster that adheres on the oxide layer of lead of lug weld and the lug, and the lead plaster that plumbous oxide layer and lug adhere to is difficult to fusing, and lug and bus-bar fuse together well in the time of making cast welding after removing.
Dip in scaling powder: dip in the water-based scaling powder, time≤2.5 second are dipped in scaling powder lug and bus-bar are better welded, if long partially but dip in the scaling powder time, scaling powder will be climb along lug, and the scaling powder consumption is big, waste.If dip in cast welding in time behind the scaling powder, then the scaling powder volatility is more intense, and scaling powder volatilization back effect is just poor.
Cast welding: adopt the cast welding machine to carry out cast welding, concrete cast welding flow process may further comprise the steps:
1) lead pan heating: with the temperature heating of cast welding machine lead pan, cast welding machine lead pan heated temperatures remains on 490～530 ℃, and for example 500 ℃, the metal that cast welding is used is 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, be 20～28 seconds preheating time;
3) scrape deleading liquid: after the counterdie preheating, the unnecessary plumbous liquid on counterdie surface is scraped off;
4) utmost point group cast welding: utmost point group lug is embedded into carries out cast welding in the busbar channel of counterdie and form utmost point group foundry goods, the cast welding time is 1.5～7 seconds;
5) water cooling: counterdie is cooled off in water flowing in the water-cooling channel of cast welding machine, and with the utmost point group foundry goods cooling that forms after the cast welding, be 2～5 seconds cool time simultaneously;
6) gas-vapor mix cooling: ventilation is further cooled off the utmost point group foundry goods that forms after the cast welding in water flowing in the water-cooling channel of cast welding machine, the air cooling passage, and be 3～9 seconds cool time;
7) air cooling but: ventilation is further cooled off the utmost point group foundry goods that forms after the cast welding in the air cooling passage, and be 3～5 seconds cool time, simultaneously the water in the water-cooling channel drained;
8) counterdie preheating again: counterdie is postponed motionless, the time that counterdie postpones is 1～2 second, descends then, progresses in the cast welding machine lead pan, carries out preheating again;
9) utmost point group goes into groove: the Pneumatic component that starts the cast welding machine will cool off good utmost point group foundry goods packs in the battery case, goes into the groove time and controls at 1.3～3 seconds.
Check: take out the good battery of cast welding, check cast welding quality.
Qualified commentaries on classics down: change down the up-to-standard back of cast welding.
In above-described embodiment, through the qualified battery of short-circuit test, O type circle is put in buckle closure sealing, the weldering terminal, and terminal seals with fluid sealant then, after sealing glue solidifying is good, adds acid, changes into and discharge and recharge combo, battery performance detection.Illustrate, the design thickness of bus-bar is 4.5mm, adopts the outer battery manufacture craft that changes into of the present invention, and effective throat thickness of the battery bus-bar after the cast welding and traditional manual welding and the semi-automatic cast welding data that compare are as follows:
One time the 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 changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (9)
1. one kind changes into the battery manufacture craft outward, flow process includes utmost point group and goes into to assemble box, arrangement lug, cuts the brush lug, dips in scaling powder, cast welding, check, qualifiedly changes down, wherein cast welding flow process adopts the cast welding machine to carry out cast welding, and it is characterized in that: described cast welding flow process may further comprise the steps:
1) lead pan heating: with the temperature heating of cast welding machine lead pan, the metal that cast welding is used is 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 the counterdie preheating, the unnecessary plumbous liquid on counterdie surface is scraped off;
4) utmost point group cast welding: utmost point group lug is embedded into carries out cast welding in the busbar channel of counterdie and form utmost point group foundry goods, the cast welding time is 1.5～7 seconds;
5) water cooling: counterdie is cooled off in water flowing in the water-cooling channel of cast welding machine, and with the utmost point group foundry goods cooling that forms after the cast welding, be 2～5 seconds cool time simultaneously;
6) gas-vapor mix cooling: ventilation is further cooled off the utmost point group foundry goods that forms after the cast welding in water flowing in the water-cooling channel of cast welding machine, the air cooling passage, and be 3～9 seconds cool time;
7) air cooling but: ventilation is further cooled off the utmost point group foundry goods that forms after the cast welding in the air cooling passage, and be 3～5 seconds cool time, simultaneously the water in the water-cooling channel drained;
8) counterdie preheating again: counterdie is postponed motionless, descend then, progress in the cast welding machine lead pan, carry out preheating again;
9) utmost point group goes into groove: the Pneumatic component that starts the cast welding machine will cool off the utmost point group foundry goods of getting well and pack in the battery case.
2. according to claim 1ly outer change into the battery manufacture craft, it is characterized in that: in the described arrangement lug flow process, proofread and correct utmost point group lug same row lug is positioned on the line.
3. according to claim 1ly outer change into the battery manufacture craft, it is characterized in that: described cutting in the brush lug flow process, adopt and cut brush lug machine the last end-grain cutting of utmost point group lug is put down and oxide layer and the attachment on utmost point group lug surface are brushed.
4. according to claim 1ly outer change into the battery manufacture craft, it is characterized in that: described dipping in the scaling powder flow process, scaling powder adopts the water-based scaling powder, dips in time≤2.5 second of scaling powder.
5. describedly outer change into the battery manufacture craft according to claim 1-4 is arbitrary, it is characterized in that: in the described lead pan heating steps, cast welding machine lead pan heated temperatures remains on 490～530 ℃.
6. describedly outer change into the battery manufacture craft according to claim 1-4 is arbitrary, it is characterized in that: in the described counterdie preheating step, be 20～28 seconds preheating time.
7. describedly outer change into the battery manufacture craft according to claim 1-4 is arbitrary, it is characterized in that: in the preheating step, the time that counterdie postpones is 1～2 second to described counterdie again.
8. describedly outer change into the battery manufacture craft according to claim 1-4 is arbitrary, it is characterized in that: described utmost point group goes in the groove step, goes into the control of groove time at 1.3～3 seconds.
9. according to claim 8ly outer change into the battery manufacture craft, it is characterized in that: the bleed pressure control of the Pneumatic component of described cast welding machine is in 0.45～0.7MPa scope.
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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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| 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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