CN101905268B - Small hydrogen fuel battery metal bi-polar plate forming mould - Google Patents
Small hydrogen fuel battery metal bi-polar plate forming mould Download PDFInfo
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- CN101905268B CN101905268B CN2010102420625A CN201010242062A CN101905268B CN 101905268 B CN101905268 B CN 101905268B CN 2010102420625 A CN2010102420625 A CN 2010102420625A CN 201010242062 A CN201010242062 A CN 201010242062A CN 101905268 B CN101905268 B CN 101905268B
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Abstract
The invention discloses a small hydrogen fuel battery metal bi-polar plate forming mould, belonging to the technical field of metal sheet punching forming moulds. In the forming mould, notches, punching, pressing stretching anti-deformation ribs, forming, shaping, blanking and the like are arranged on different work positions of the same mould and total of ten work positions are arranged; sheet materials sequentially pass through every work position to be continuously punched and formed in the punching process until the blanking at the final work position is carried out to form a bi-polar plate. In order to meet different function requirements, a discharging plate is divided into a discharging plate I and a discharging plate II, each discharging plate is respectively guided by using four guide pillars. A concave mould adopts a combined form of multiple embedded lumps, and the processing of a fixed plate of the concave mould is simplified through reasonable arrangements of each embedded lump, and metal bi-polar plates with different slot shapes can be produced through replacing the embedded lumps at the work positions 6, 7 and 8 so that the mould has certain flexibility and generality. The hydrogen fuel battery metal bi-polar plate formed by the mould has the advantages of simple process, low production cost, high precision and high consistency, and can greatly promote commercialization of fuel batteries.
Description
Technical field
The invention belongs to sheet metal press forming die technical field, relate to a kind of small hydrogen fuel battery metal bi-polar plate forming mould.
Technical background
Fuel cell technology is a fast-developing in recent years new and high technology, and it is for the change of energy source and power and set up the infant industry civilization and bring opportunity.Hydrogen fuel cell can be used as the desirable energy of electric automobile, also can become military, civilian compact power, has very wide application prospect.According to statistics, China's present stage thermal power generation accounts for more than 70% of total amount of generating, so traditional mixing power vehicle, electric motor car can not be realized real low-carbon (LC).And hydrogen fuel cell is as clean energy resource, and its mass production is imperative.
Bipolar plates is one of core component of hydrogen fuel cell, and forming technology is complicated, manufacturing cost is high, accounts for 40%～60% of battery pile cost, accounts for more than 80% of battery pile gross weight.The material of production bipolar plates mainly contains graphite, composite and metal etc. at present; But the persistence of the manufacturability of preceding two kinds of materials, osmotic-pressure-tolerant, impact shock is all not as metal; And process time is long; Be not easy to produce in enormous quantities, also limited the slimming and the miniaturization of battery, thereby the commercialization that has hindered hydrogen fuel cell is used.
Make bipolar plates with metal and both be easy to produce in batches, can use again thin plate (0.1～0.3mm) and directly drawing, can significantly improve the specific energy and the specific power of fuel cell, reduce the battery cost.The material of making hydrogen fuel battery metal bi-polar plate mainly is stainless steel, titanium and aluminium alloy etc., and along with the development of electroplating technology, the stability of metal double polar plates and corrosion resistance will have bigger raising, therefore has vast potential for future development.Metal double polar plates is as the core component of hydrogen fuel cell, and its manufacturing technology is the problem of domestic and international fuel cell manufacturers emphasis research and development.Than technologies such as rubber blanket shaping, hydroforming and electrochemical etchings, with high efficiency, low consumption, high uniformity, high accuracy and high complexity that drawing showed be other machining manufacture can not compare.
Summary of the invention
The object of the present invention is to provide a kind of multi-station progressive die that metal double polar plates is shaped that is used for, use a mold, high efficiency, low consumption, high uniformity, the high-precision hydrogen fuel battery metal bi-polar plate that meets the demands that continuously produces automatically.
Technical scheme of the present invention is a kind of metal double polar plates shaping multi-station progressive die; It is made up of 10 stations; Plate through each station, is a continuous metal forming successively in punching course, and extremely last station blank-forming is a bipolar plates; And this mould has higher production efficiency, for the batch process of bipolar plates lays the foundation.For achieving the above object, 1. this progressive die station is to dash 4 semi-circular cut-out a, and dashes 2 correcting pin-and-holes; 2. station is die-cut mouthful of b and c; 1., 2. punch out the reasonable technology otch through station, the sheet metal deformation at blocking-up correcting pin-and-hole place makes guide accurate in punching course.3. station is idle station; 4. station is to press to draw the anti-deformation muscle, wrinkling in order to prevent in the forming process, and the needed pressure-pad-force that reduces to be shaped; 5. station is idle station; 6. station is the shaping parallel groove; 7. station is that the parallel groove that 6. station is shaped is carried out shaping; 8. station is to the parallel groove secondary reshaping; 9. station is towards irregularly-shaped hole; 10. station is blanking.The setting of two idle stations is in order to improve the intensity of die plate insert, stripper and fixed head, to guarantee that each formation of parts installation site does not interfere.Stripper is divided into stripper I (2) and stripper II (6), and stripper I (2) has the binder effect, and to station 1. with station 2. the otch station play the discharging effect; Blank holder (5) is fixed on the stripper II (6), to station 8. 7. 6. pressure-pad-force is provided, and 10. stripper II (6) 9. plays the discharging effect with station to station again; Two strippers respectively lead with 4 guide pillars (8).
The present invention is rational in infrastructure, and employing progressive die manufacturing hydrogen fuel battery metal bi-polar plate technology is simple, production cost is low, precision is high, high conformity; Mould adopts the method for the combination of inserting more simultaneously, and the method that can insert through replacing as requested changes the metal double polar plates groove shape of shaping, has increased the life-span and the adaptability of mould.
Description of drawings
Fig. 1 (A) is hydrogen fuel battery metal bi-polar plate product figure.
Fig. 1 (B) is a hydrogen fuel battery metal bi-polar plate product partial enlarged drawing.
Fig. 2 (A) is a small hydrogen fuel battery metal bi-polar plate progressive die front view of the present invention.
Fig. 2 (B) is a small hydrogen fuel battery metal bi-polar plate progressive die vertical view of the present invention (part).
Fig. 3 is shaping, the shaping process sketch map of metal double polar plates parallel groove.
Fig. 4 is the die block vertical view.
Among the figure: 1 upper bolster; 2 stripper I; 3 backing plates; 4 punch retainers; 5 blank holders; 6 stripper II; 7 die shoes; 8 guide pillars; 9 backing plates; 10 die blocks; 11 otch, punching are inserted; 12 press bead to insert; 13 square guide holes; 14 are shaped inserts; The 15 shapings I that inserts; The 16 shapings II that inserts; 17 insert towards irregularly-shaped hole; 18 blankings are inserted.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.
Progressive die of the present invention is mainly used in the parallel groove bipolar plates product shown in shaping Fig. 1 (A) and Fig. 1 (B), and plate is thick to be 0.1mm, and 8 little parallel grooves are arranged on the product, and little trench cross section is shaped as trapezoidal, and the degree of depth is 0.5mm.
Shown in Fig. 2 (A) and Fig. 2 (B), the present invention makes the progressive die of small hydrogen fuel battery metal bi-polar plate, and punch is fixed on punch retainer (4) and the backing plate (3), and punch retainer (4) and backing plate (3) are fixed on the upper bolster (1).Equally, die plate insert and die block (10), backing plate (9), the relation of die shoe (7) also is like this.This mould has 10 stations, and concrete process is following: 1. station is to dash 4 semi-circular cut-out a, and dashes 2 correcting pin-and-holes; 2. station is die-cut mouthful of b and c; 1., 2. punch out the reasonable technology otch through station, the sheet metal deformation at blocking-up correcting pin-and-hole place makes guide accurate in punching course.3. station is idle station; 4. station is to press to draw the anti-deformation muscle, wrinkling in order to prevent in the forming process, and the needed pressure-pad-force that reduces to be shaped; 5. station is idle station; 6. station is the shaping parallel groove; 7. station is that the parallel groove that 6. station is shaped is carried out shaping, adopts the method shaping bipolar plates parallel groove of the shaping again that is shaped earlier, can effectively reduce the attenuation rate of groove place plate, reduces the resilience problem in the once-forming, improves the precision that groove is shaped; 8. station is to the parallel groove secondary reshaping; 9. station is towards irregularly-shaped hole; 10. station is blanking.The setting of two idle stations is in order to improve the intensity of die plate insert, stripper and fixed head, to guarantee that each formation of parts installation site does not interfere.Stripper is divided into stripper I (2) and stripper II (6), and stripper I (2) has the binder effect, and to station 1. with station 2. the otch station play the discharging effect; Blank holder (5) is fixed on the stripper II (6), to station 8. 7. 6. pressure-pad-force is provided, and 10. stripper II (6) 9. plays the discharging effect with station to station again; Two strippers respectively lead with 4 guide pillars (8).
Shown in Fig. 2 (A) and Fig. 2 (B), 1. and 2. station accomplishes that same otch punching inserts on (11), has simplified mould structure; Shaping is inserted (14), shaping is inserted I (15), shaping insert II (16), towards irregularly-shaped hole insert (17) and blanking insert (18) separate; Shaping is inserted (14) and shaping is inserted I (15) and towards irregularly-shaped hole insert (17) and blanking insert (18) combine respectively; Shaping II (16) contour dimension of inserting is inserted less than other; Avoid forming long through hole, increase the intensity of die block (10) at die block (10); According to the width of plate, 18 square guide pins are set, the square guide hole (13) of square guide pin is by die block (10) and the corresponding common formation of inserting; Square guide pin prevents that near pilot pin patrix from lifting the sheet metal deformation that causes because of pilot pin band material in the process.
With reference to Fig. 2 (B), Fig. 3 and shown in Figure 4, can insert (14) through change being shaped, the type of I (15) is inserted in shaping, shaping is inserted II (16) changes bipolar plates groove; The method of shaping prevented that the local attenuation of product is serious, as shown in Figure 3 after employing was shaped earlier, in the shaping process of d → e, made d bigger by about 5% than the shaping volume of e, and the resilience after the minimizing shaping guarantees plastic precision.If a shaping can be satisfied required precision, then can omit the shaping II (16) that inserts.
Claims (4)
1. a small hydrogen fuel battery metal bi-polar plate forming mould comprises the progressive die that 10 stations are formed, and it is characterized in that: 1. station is to dash 4 semi-circular cut-out (a), and dashes 2 correcting pin-and-holes; 2. station is die-cut mouthful of I (b) and otch II (c); 3. station is idle station; 4. station is to press to draw the anti-deformation muscle; 5. station is idle station; 6. station is the shaping parallel groove; 7. station is to the parallel groove shaping; 8. station is to the parallel groove secondary reshaping; 9. station is towards irregularly-shaped hole; 10. station is blanking; Stripper is divided into stripper I (2) and stripper II (6), and stripper I (2) has the binder effect, and to station 1. with station 2. the otch station play the discharging effect; Blank holder (5) is fixed on the stripper II (6), to station 8. 7. 6. pressure-pad-force is provided, and 10. stripper II (6) 9. plays the discharging effect with station to station again; Two strippers respectively lead with 4 guide pillars (8).
2. a kind of small hydrogen fuel battery metal bi-polar plate forming mould according to claim 1 is characterized in that, 1. and 2. station is arranged in same otch punching and inserts on (11); Shaping is inserted (14), shaping is inserted I (15), shaping insert II (16), towards irregularly-shaped hole insert (17) and blanking insert (18) separate; Shaping is inserted (14) and shaping is inserted I (15) and towards irregularly-shaped hole insert (17) and blanking insert (18) combine respectively; Shaping II (16) contour dimension of inserting is inserted less than other; Avoid forming long through hole, increase the intensity of die block (10) at die block (10).
3. a kind of small hydrogen fuel battery metal bi-polar plate forming mould according to claim 1; Its characteristic also is: according to the width of plate; 18 square guide pins are set, and the square guide hole (13) of square guide pin is by die block (10) and the corresponding common formation of inserting; Square guide pin prevents that near pilot pin patrix from lifting the sheet metal deformation that causes because of pilot pin band material in the process.
4. a kind of small hydrogen fuel battery metal bi-polar plate forming mould according to claim 1, its characteristic also is: insert (14) through change being shaped, the type of I (15) is inserted in shaping, shaping is inserted II (16) changes bipolar plates groove; If a shaping can be satisfied required precision, then omit the shaping II (16) that inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102420625A CN101905268B (en) | 2010-07-24 | 2010-07-24 | Small hydrogen fuel battery metal bi-polar plate forming mould |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102420625A CN101905268B (en) | 2010-07-24 | 2010-07-24 | Small hydrogen fuel battery metal bi-polar plate forming mould |
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| CN101905268A CN101905268A (en) | 2010-12-08 |
| CN101905268B true CN101905268B (en) | 2012-05-23 |
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| CN2010102420625A Expired - Fee Related CN101905268B (en) | 2010-07-24 | 2010-07-24 | Small hydrogen fuel battery metal bi-polar plate forming mould |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191983B (en) * | 2013-02-17 | 2015-05-20 | 上海交通大学 | Continuous stamping forming die for large-area metal bipolar plate of fuel battery |
| CN103406443A (en) * | 2013-07-18 | 2013-11-27 | 苏州旭创精密模具有限公司 | Mobile phone battery connecting elastic piece mold |
| JP6629510B2 (en) * | 2015-02-20 | 2020-01-15 | 株式会社三井ハイテック | Mold apparatus and method for manufacturing metal product using the same |
| CN105921613B (en) * | 2016-06-22 | 2017-08-15 | 苏州金鸿顺汽车部件股份有限公司 | A kind of U-shaped part progressive stamping mould |
| US10369613B2 (en) * | 2017-02-06 | 2019-08-06 | GM Global Technology Operations LLC | Die assembly for a stamping press |
| CN109465336B (en) * | 2017-09-08 | 2021-05-04 | 徐煜 | Combined stamping die for metal flow field plate of proton exchange membrane fuel cell |
| CN109590380A (en) * | 2017-09-30 | 2019-04-09 | 浙江舜仕汽车技术有限公司 | The moulding process of sheet metal component with boss |
| CN109848296A (en) * | 2019-01-10 | 2019-06-07 | 安徽明天氢能科技股份有限公司 | A kind of monopole board production technology for fuel cell |
| CN114843541A (en) * | 2021-02-02 | 2022-08-02 | 北京亿华通科技股份有限公司 | Bipolar plate processing method, control method, bipolar plate, fuel cell and vehicle |
| CN112893631A (en) * | 2021-03-16 | 2021-06-04 | 北京亿华通科技股份有限公司 | Progressive stamping die and stamping method for processing fuel cell bipolar plate |
| CN113905835A (en) * | 2021-09-06 | 2022-01-07 | 无锡微研股份有限公司 | Extension die |
| CN113967691B (en) * | 2021-10-21 | 2022-11-15 | 无锡微研股份有限公司 | Production process of metal plate of hydrogen energy battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547279A (en) * | 2003-12-12 | 2004-11-17 | 卢建强 | Stamping die for accumulator grid |
| CN1889294A (en) * | 2006-07-27 | 2007-01-03 | 上海交通大学 | Combined integrated bipole plate for proton exchange membrane fuel battery |
| CN201157867Y (en) * | 2007-12-04 | 2008-12-03 | 比亚迪股份有限公司 | Battery cover plate forming mould |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005349463A (en) * | 2004-06-14 | 2005-12-22 | Toyota Auto Body Co Ltd | Method for forming stripe-shaped convex and concave, and metal separator for fuel cell manufactured in the same method |
| JP5169480B2 (en) * | 2008-05-21 | 2013-03-27 | 新日鐵住金株式会社 | Separator manufacturing equipment for polymer electrolyte fuel cells |
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2010
- 2010-07-24 CN CN2010102420625A patent/CN101905268B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547279A (en) * | 2003-12-12 | 2004-11-17 | 卢建强 | Stamping die for accumulator grid |
| CN1889294A (en) * | 2006-07-27 | 2007-01-03 | 上海交通大学 | Combined integrated bipole plate for proton exchange membrane fuel battery |
| CN201157867Y (en) * | 2007-12-04 | 2008-12-03 | 比亚迪股份有限公司 | Battery cover plate forming mould |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2005-349463A 2005.12.22 |
| JP特开2009-283251A 2009.12.03 |
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