CN101740781B - Lead-acid battery grid, polar plate and manufacturing method of grid - Google Patents
Lead-acid battery grid, polar plate and manufacturing method of grid Download PDFInfo
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- CN101740781B CN101740781B CN2008101621719A CN200810162171A CN101740781B CN 101740781 B CN101740781 B CN 101740781B CN 2008101621719 A CN2008101621719 A CN 2008101621719A CN 200810162171 A CN200810162171 A CN 200810162171A CN 101740781 B CN101740781 B CN 101740781B
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Abstract
The invention provides a lead-acid battery grid, comprising a grid main body, bulges which are arranged in arrays are formed on one side of the grid main body, and side-open type through holes are formed between the bulges and the grid main body. The invention also provides a lead-acid battery polar plate which comprises a grid and lead plaster coated on the surface of the grid. The invention also provides a method for preparing the above polar plate grid, comprising the steps of manufacturing a lead belt, rolling belt on the lead belt, punching and deep drawing. The invention can greatly save the use amount of lead, improve the charging receptivity, discharging platform, specific energy and specific power of the polar plate; the method provided in the invention is simple, and the manufactured polar plate grid has high quality, thus being capable of realizing continuous and high-yield production of the polar plate grid, reducing bit material remelting consumption of lead, and lowering production energy consumption and material oxidation.
Description
Technical field
The present invention relates to the storage battery manufacture method of grid, pole plate and grid.
Background technology
In the nervous situation of the supply and demand of world energy sources, lead acid accumulator is used as the power of certain fields and traction, and to substitute amount increasing, the industry such as automobile, reserve UPS simultaneously greatly develop the demand that also greatly increases lead acid accumulator.Plumbous to wait nonferrous metal resource more and more to come nervous, and plumbous valency skyrockets in recent years, is a principal element wherein as the consumption increase of the main application lead acid accumulator of lead.But this traditional product of lead-acid battery, at plumbous approximately 40% the conducting matrix grain of whole product consumption of lead that accounts for of consumption---in the making of grid, major part is still being continued to use gravity this traditional handicraft of casting, the defectives such as this technique has determined the grid Heavy Weight, and energy consumption is large, and rotproofness is poor.Although have to use on the start type battery and draw in the net grid, application on negative pole is more ripe, but there are some problems in the application on positive pole, someone studies and plane punching press grid is applied to positive pole has made some progress in recent years, all promote to some extent on material saving and production efficiency, but there is limitation in the making at thick pole plate, generally can only make the pole plate of 1mm left and right, this more difficult application for the battery beyond first actuated type automobile batteries.Its secondary flat pressed sheet grid have the lead more than 80% to be washed out in manufacturing process and again melt down fusing, are all very high for the energy consumption of producing and the oxidation of material.
Summary of the invention
The present invention's technical problem at first to be solved is to provide a kind of consumption, the reduction energy consumption that can save lead, can improve or not reduce again the lead acid accumulator plate grid of battery performance.For this reason, the present invention by the following technical solutions: it comprises the grid main body, and a side of described grid main body is formed with the projection that array is arranged, and forms " laterally opened " open-work between described projection and grid main body.
For solving the problems of the technologies described above, the present invention also can be simultaneously by the following technical solutions: the upper and lower sides of described grid main body all is formed with the projection that array is arranged, formation " laterally opened " open-work between described projection and grid main body.
Another technical problem to be solved by this invention is to provide a kind of consumption, the reduction energy consumption that can save lead, can improve or not reduce again the polar plate of lead acid storage battery of battery performance.For this reason, the present invention by the following technical solutions: described pole plate comprises grid and is applied to the lead plaster on grid surface, and described grid is grid as above.
Owing to adopting technical scheme of the present invention, the present invention has the following advantages:
1). at the pole plate of the same capacity of preparation, adopt the present invention can greatly save consumption of lead as grid.
2). greatly improve the reaction table area, can greatly reduce the pole plate internal resistance, improve charge acceptance and discharge platform, specific energy and the specific power of pole plate.
Another technical scheme to be solved of the present invention is to provide a kind of electrode plate grid manufacture method for preparing above-mentioned electrode plate grid.For this reason, the present invention is by the following technical solutions: it comprises the following steps:
1). make plumbous band,
2). the lead band is rolled band, lead with on the thin district of corresponding grid, and form the webbing of corresponding lug in a side of lead band,
3). die-cut, in step 2) lead that forms is with forming the hole that array is arranged in thin district, simultaneously, to step 2) the lead band webbing that forms is die-cut into lug,
4). pull and stretch forms the projection that array is arranged, and form " laterally opened " open-work between described projection and grid main body on the grid main body.
Owing to adopting technical scheme of the present invention, the inventive method is simple, and the electrode plate grid quality of manufacturing is high, and, adopt technical scheme of the present invention can realize serialization, the high yield production of electrode plate grid; Simultaneously, in process of production, reduce zero plumbous material and melt down loss, the energy consumption that reduction is produced and the oxidation of material.
Description of drawings
Fig. 1 is for making the flow chart of pole plate.
Fig. 2 is in electrode plate grid manufacture method provided by the present invention, and plumbous band is by the front elevation after rolling.
Fig. 3 is the end view of plumbous band shown in Figure 2.
Fig. 4 is that in electrode plate grid manufacture method provided by the present invention, lead is with the front schematic view after punched.
The electrode plate grid schematic diagram of Fig. 5 for the formed lead after die-cut of Fig. 4 is formed after with unidirectional pull and stretch.
Fig. 6 is the A1-A1 cutaway view of Fig. 5.
Fig. 7 is the B1-B1 cutaway view of Fig. 5.
Fig. 8 is the X1 position enlarged drawing of Fig. 6.
Fig. 9 is the Y1 position enlarged drawing of Fig. 7.
The electrode plate grid schematic diagram of Figure 10 for the formed lead after die-cut of Fig. 4 is formed after with biaxial tension.
Figure 11 is the A2-A2 cutaway view of Figure 10.
Figure 12 is the left view of Figure 10.
Figure 13 is the X2 position enlarged drawing of Figure 11.
The electrode plate grid schematic diagram of Figure 14 for the formed lead after die-cut of Fig. 4 is formed after with two-way pull and stretch.
Figure 15 is the A3-A3 cutaway view of Figure 14.
Figure 16 is the left view of Figure 14.
Figure 17 is the X3 position enlarged drawing of Figure 15.
Figure 18 is the schematic diagram of tradition casting grid.
Figure 19 is the A4-A4 cutaway view Amplified image of Figure 18.
Figure 20 is the B4-B4 cutaway view Amplified image of Figure 18.
Figure 21 is the cutaway view of traditional face punching press grid.
Figure 22 is the end view of Figure 21.
Figure 23 cuts open figure for the office take the grid shown in Figure 10,11,12,13 as the basic polar plate of lead acid storage battery that further makes.
Figure 24 is the end view of Figure 23
Figure 25 is the partial sectional view of the A5-A5 direction of Figure 23.
Embodiment
Below press manufacturing step also by reference to the accompanying drawings, novel electrode plate grid provided by the present invention, manufacture method and effect are described in further detail.
Step 1). when making grid, at first we melt lead pig, cast the lead of definite shape, i.e. thicker lead band,
Step 2). to step 1) the thicker lead band that forms makes required lead band continuously by the mode such as profile rolled or extrude, i.e. lead band as shown in Fig. 2,3, lead with on form the webbing 1 of corresponding lug and the thin district 2 of corresponding grid, the thickness of webbing 1 is in the 2-3mm left and right, and the plumbous tape thickness of to be exactly active material coat in the thin district of corresponding grid part is as far as possible thin, generally in the 0.5-1mm left and right.
Step 3). with reference to Fig. 4, next the lead band is carried out die-cut, the cut diagram of part material, account for 30% left and right, thereby in step 2) lead that forms forms the hole 4 that array is arranged in thin district, simultaneously, to step 2) the lead band webbing that forms is die-cut into lug 3
Described hole 2 is rectangular opening, and the length direction of rectangular opening is identical with the Width of plumbous band, and the webbing of corresponding lug is in a side of plumbous bandwidth direction, and formed lug is in a side of plumbous bandwidth direction.Like this, the drawing sequence that carries out after facilitating makes that projection more easily is formed, shape is more even, thereby can improve the performance of pole plate.
Arrow in Fig. 4 represents, makes progress the party, and plumbous band extends continuously.For shape and the thickness that more clearly shows grid, therefore, having marked in the accompanying drawings size, its unit is millimeter.
Step 4). pull and stretch.
The punch die that pull and stretch can adopt forcing press is unidirectional drawing and forming once, and its formed electrode plate grid is as shown in Fig. 5,6,7,8,9.The not bossing in described thin district is grid main body 7A, one side of described grid main body is formed with the protruding 5A that array is arranged, and forms " laterally opened " open-work 6A, similar " venetian blind type " between described projection and grid main body, like this, the thickness of stretched rear grid reaches 2-5mm.And described pull and stretch makes the perforate direction of " laterally opened " open-work of shaping grid consistent, like this, can more easily carry out pull and stretch, and the performance of the pole plate of making is also higher.
Arrow in Fig. 5 represents, makes progress the party, and plumbous band extends continuously.This grid is with window formula punching press grid A mark, with this pole plate that makes with window formula pressed sheet A mark.
Pull and stretch can adopt the two-way drawing and forming of the punch die of forcing press, and its formed electrode plate grid is as shown in Figure 10,11,12,13.The not bossing in described thin district is grid main body 7B, the upper and lower sides of described grid main body all is formed with the projection that array is arranged, the projection of grid main body upside is the 5B1 that raises up, take the projection of grid main body downside as to lower convexity 5B2, describedly raise up between 5B1 and grid main body, to forming " laterally opened " open-work 6B between lower convexity 5B2 and grid main body, similar " venetian blind type ", like this, after the process pull and stretch, the thickness of grid reaches 2-5mm.And described pull and stretch makes the perforate direction of " laterally opened " open-work of shaping grid consistent, and the 5B1 and arranging to the lower convexity 5B2 interval, ground of embarking on journey of raising up like this, pull and stretch is more easily carried out, and the performance of the pole plate of making is also higher.
Arrow in Figure 10 represents, makes progress the party, and plumbous band extends continuously.This grid is with window formula punching press grid B mark, with this pole plate that makes with window formula pressed sheet B mark.
Pull and stretch also can adopt so two-way drawing and forming of forcing press punch die, and its formed electrode plate grid is as shown in Figure 14,15,16,17.The not bossing in described thin district is grid main body 7C, the upper and lower sides of described grid main body all is formed with the projection that array is arranged, the projection of grid main body upside is the 5C1 that raises up, take the projection of grid main body downside as to lower convexity 5C2, describedly raise up between 5C1 and grid main body, to forming " laterally opened " open-work 6C between lower convexity 5C2 and grid main body, similar " venetian blind type ", like this, after the process pull and stretch, the thickness of grid reaches 2-5mm.And described pull and stretch makes the perforate direction of " laterally opened " open-work of shaping grid consistent, and raise up 5C1 and arranging to lower convexity 5C2 interval makes the shaping grid
Arrow in Figure 14 represents, makes progress the party, and plumbous band extends continuously.This grid is with window formula punching press grid C mark, with this pole plate that makes with window formula pressed sheet C mark.
Above three kinds of die-cut and pull and stretch modes all adopt continuous processing, afterwards, again by shaping, heat treatment (annealing, recrystallization), be coated with to cut after cream and make pole plate, Figure 23,24,25 has shown take the cutaway view of the grid shown in Figure 10,11,12,13 as the basic polar plate of lead acid storage battery that further makes, the lead plaster that is coated with for the grid body surfaces of drawing reference numeral 8 wherein, in Figure 23,24,25, identical with label in Figure 10,11,12,13 represent identical implication.
Described " laterally opened " open-work refers to that this hole penetrates grid in the present invention, take Figure 11,13 as example, " laterally opened " open-work 6B comprises following part: because the part in this hole is to form because of the projection on the grid main body, and there is the part of aspect-oriented in the aperture that makes this hole 6B, i.e. the part of drawing reference numeral K1 indication; Simultaneously, the aperture of being somebody's turn to do " laterally opened " open-work 6B is different with the direction of projection, and have simultaneously towards above or below part, as shown in figure 13, this bore portions of " laterally opened " open-work 6B comprises the bore portions K2 that is in projection below or top and the bore portions K3 that is not kept off by projection, perhaps, described towards above or below bore portions only comprise the bore portions K2 that is in projection below or top and do not have the bore portions K3 that is not kept off by projection.
Below the prepared pole plate of grid of the present invention and the prepared pole plate of traditional grid be coated with the cream amount in weight, unit compare aspect more several than lead alloy weight and surface area, surface area ratio unit's lead alloy.
With reference to Figure 18,19,20, it is traditional casting grid, and its dimensional parameters is called moulding plate with this pole plate that makes as shown in the figure in invention.With reference to Figure 21, it is traditional plane punching press grid, and its dimensional parameters is called the plane pressed sheet with this pole plate that makes as shown in the figure in invention.
Comparative result is as shown in table 1 below.Paste density is by anodal cream 4.2g/cm
3Calculate, lead alloy density is pressed 11.3g/cm
3Calculate.
Table 1
| Title | Grid specification (the thick mm of the wide * of long *) | A-grid weight (g) | Positive plate thickness (mm) | Every positive plate cream amount of B-(g) | B/A | C-surface area (mm 2) | C/A(mm 2/g) |
| Window formula punching press grid A | 197*110*3.5 | 80-120 | 3.7 | 295 | 2.68 | 9.7*10 4 | 880 |
| Window formula punching press grid B | 197*110*4.5 | 80-120 | 4.7 | 380 | 4.55 | 9.7*10 4 | 880 |
| Window formula punching press grid C | 197*110*4.5 | 80-120 | 4.7 | 380 | 4.55 | 9.7*10 4 | 880 |
| The casting grid | 197*110*3.5 | 130-160 | 3.7 | 275 | 1.77 | 2.5*10 4 | 160 |
| Plane punching press grid | 197*110*1.0 | 70-90 | 2.24 | 161 | 1.96 | 2.5*10 4 | 305 |
As can be seen from Table 1, electrode plate grid provided by the present invention can be identical with moulding plate on thickness, can be thicker than plane punching press grid.On weight, electrode plate grid provided by the present invention is lighter by 30% than the casting grid on monolithic weight, slightly heavier than plane punching press grid, but can coat more cream than plane punching press grid, so unit is coated with the cream amount than lead alloy gravimetric value, window formula punching press grid B and C are maximum, Duo 157% than the casting grid, Duo 132% than plane punching press grid, the pole plate of the same capacity of this presentation of results adopts the plumbous minimum of window formula punching press grid use, saves approximately more than 100%.
Simultaneously, " electrode plate grid provided by the present invention is maximum on per surface area, be casting grid peace face punching press grid 3.8 times.The surface area of unit lead alloy is respectively 5.5 times of casting grid, is 2.8 times of plane punching press grid.This shows, the reaction table area of electrode plate grid provided by the present invention improves greatly, will greatly reduce the pole plate internal resistance, improves charge acceptance and discharge platform, specific energy and the specific power of pole plate.
As can also be seen from Table 1, anodal plumbous consumption descends more than 30%, and anodal integrated cost descends more than 20%.
Adopt battery parameter such as the following table 2 of window formula pressed sheet, moulding plate and the assembling of plane pressed sheet of size in table 1.
Table 2
| The battery sequence number | The pole plate title | Every positive grid weight (g) | Every positive plate cream amount (g) | Monolithic capacity (C10) Ah | Monolithic 15min power | Charge acceptance | The grid consumption (g/Ah) of unit capacity | The specific energy amount | Specific power |
| 1 | Window formula pressed sheet A | 80-120 | 295 | 20 | 87W | ***** | 5.25 | **** | ***** |
| 2 | Window formula pressed sheet B | 80-120 | 380 | 25 | 92W | **** | 4.2 | ***** | **** |
| 3 | Window formula pressed sheet C | 80-120 | 380 | 25 | 92W | **** | 4.2 | ***** | **** |
| 4 | Moulding plate | 130-160 | 275 | 18 | 58W | ** | 7.8 | ** | ** |
| 5 | The plane pressed sheet | 70-90 | 160 | 11 | 41W | *** | 7.2 | *** | *** |
(annotate: 1, charge acceptance is from 1
*To 5
*Expression is from poor to excellent level; 2, specific energy, specific power are from 1
*To 5
*Expression level from low to high.)
As can be seen from Table 2, improve respectively nearly more than 35%-100% with the monolithic capacity of the prepared pole plate of grid provided by the invention than moulding plate and plane pressed sheet, also can illustrate from another point of view in the situation that the monolithic capacity is identical, still less consumption of lead will be needed with the prepared pole plate of grid provided by the invention, the effect of saving cost can be reached.Due to larger with the contact area of the lead plaster of the prepared pole plate of grid provided by the invention and grid, cause internal resistance to reduce, corresponding monolithic discharge power is more common plate hight also, so also more common grid is high for specific energy and specific power.The increase greatly of surface area effectively improved rotproofness and discharged and recharged internal resistance, improves charge acceptance and discharge platform due to the raising of the rotproofness of grid alloy while.
Claims (10)
1. a lead acid accumulator plate grid, is characterized in that it comprises the grid main body, and a side of described grid main body is formed with the projection that is formed by die-cut and pull and stretch of arranging by array, formation " laterally opened " open-work between described projection and grid main body;
Described " laterally opened " open-work refers to that this hole penetrates grid, and comprises following part: because the part in this hole is because the projection on the grid main body forms, and make the aperture in this hole that the part of aspect-oriented be arranged; Simultaneously, the aperture of being somebody's turn to do " laterally opened " open-work is different with the direction of projection, and have simultaneously towards above or below part, this bore portions comprises the bore portions that is in projection below or top and the bore portions of not kept off by projection, perhaps, described towards above or below bore portions only comprise the bore portions (K2) that is in projection below or top and do not have the bore portions of not kept off by projection.
2. a kind of lead acid accumulator plate grid as claimed in claim 1, is characterized in that the perforate direction of described " laterally opened " open-work is consistent.
3. a lead acid accumulator plate grid, is characterized in that the upper and lower sides of grid main body all is formed with the projection that array is arranged, and forms " laterally opened " open-work between described projection and grid main body;
Described " laterally opened " open-work refers to that this hole penetrates grid, and comprises following part: because the part in this hole is because the projection on the grid main body forms, and make the aperture in this hole that the part of aspect-oriented be arranged; Simultaneously, the aperture of being somebody's turn to do " laterally opened " open-work is different with the direction of projection, and have simultaneously towards above or below part, this bore portions comprises the bore portions that is in projection below or top and the bore portions of not kept off by projection, perhaps, described towards above or below bore portions only comprise the bore portions (K2) that is in projection below or top and do not have the bore portions of not kept off by projection.
4. a kind of lead acid accumulator plate grid as claimed in claim 3, is characterized in that the perforate direction of described " laterally opened " open-work is consistent.
5. a kind of lead acid accumulator plate grid as claimed in claim 3 is characterized in that with the projection of grid main body upside for raising up, take the projection of grid main body downside as to lower convexity, raise up and downwards the projection interval, ground of embarking on journey arrange.
6. a kind of lead acid accumulator plate grid as claimed in claim 3 is characterized in that with the projection of grid main body one side for raising up, take the projection of grid main body opposite side as to lower convexity, and described raising up and bulge clearance setting downwards.
7. polar plate of lead acid storage battery is characterized in that described pole plate comprises grid and is applied to the lead plaster on grid surface, and described grid is claim 1,2,3,4,5 or 6 described grids.
8. the manufacture method of a claim 1,2,3,4,5 or 6 described lead acid accumulator plate grids is characterized in that it comprises the following steps:
1). make plumbous band,
2). the lead band is rolled band, lead with on the corresponding thin district that forms grid, and form the webbing of corresponding lug in a side of lead band,
3). die-cut, in step 2) lead that forms is with forming the hole that array is arranged in thin district, simultaneously, to step 2) the lead band webbing that forms is die-cut into lug,
4). pull and stretch forms the projection that array is arranged, and form " laterally opened " open-work between described projection and grid main body on the grid main body.
9. the manufacture method of lead acid accumulator plate grid as claimed in claim 8, it is characterized in that described hole is rectangular opening, the length direction of rectangular opening is identical with the Width of plumbous band, and the webbing of corresponding lug is in a side of plumbous bandwidth direction, and formed lug is in a side of plumbous bandwidth direction.
10. the manufacture method of lead acid accumulator plate grid as claimed in claim 8, is characterized in that described pull and stretch is one direction pull and stretch or twocouese pull and stretch on the above-below direction of lead band.
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| CN2008101621719A CN101740781B (en) | 2008-11-27 | 2008-11-27 | Lead-acid battery grid, polar plate and manufacturing method of grid |
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| CN2008101621719A CN101740781B (en) | 2008-11-27 | 2008-11-27 | Lead-acid battery grid, polar plate and manufacturing method of grid |
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| CN101740781B true CN101740781B (en) | 2013-06-05 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490011B (en) * | 2011-12-29 | 2014-01-29 | 江苏三环实业股份有限公司 | Cutting device for lead-acid storage battery grid |
| CN102903968A (en) * | 2012-10-18 | 2013-01-30 | 双登集团股份有限公司 | Manufacturing method of 12V flat gel battery |
| CN104821402B (en) * | 2014-08-15 | 2017-10-24 | 骆驼集团襄阳蓄电池有限公司 | A kind of lead acid accumulator plate grid and its molded surface processing method |
| CN104466193A (en) * | 2014-11-24 | 2015-03-25 | 天能电池集团（安徽）有限公司 | Novel arranged small grid |
| CN110170530B (en) * | 2019-05-29 | 2020-06-16 | 巨江电源科技有限公司 | Polar plate production process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527422A (en) * | 2003-09-23 | 2004-09-08 | 刘振升 | Wound expanded slab lattice for lead acid accumulator plate and its making process |
| CN101159330A (en) * | 2007-11-02 | 2008-04-09 | 深圳市今星光实业有限公司 | Lead acid batteries electrode plate grid preparation method |
-
2008
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527422A (en) * | 2003-09-23 | 2004-09-08 | 刘振升 | Wound expanded slab lattice for lead acid accumulator plate and its making process |
| CN101159330A (en) * | 2007-11-02 | 2008-04-09 | 深圳市今星光实业有限公司 | Lead acid batteries electrode plate grid preparation method |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平6-333570A 1994.12.02 |
| JP特开平9-134726A 1997.05.20 |
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Effective date of registration: 20160526 Address after: 311100, No. 3, Zhenxing West Road, Yuhang, Zhejiang, Hangzhou, Linping Patentee after: Nandu Electric Power Co., Ltd., Zhejiang Patentee after: HANGZHOU NANDU POWER TECHNOLOGY CO., LTD. Address before: 310013 No. 459, Wensanlu Road, Zhejiang, Hangzhou Patentee before: Nandu Electric Power Co., Ltd., Zhejiang Patentee before: Hangzhou Nandu Energy Technology Co., Ltd. Patentee before: Hangzhou Narada Battery Co., Ltd |