CN107052118A - Fuel battery double plates are combined flexible die forming device and method - Google Patents

Fuel battery double plates are combined flexible die forming device and method Download PDF

Info

Publication number
CN107052118A
CN107052118A CN201710322094.8A CN201710322094A CN107052118A CN 107052118 A CN107052118 A CN 107052118A CN 201710322094 A CN201710322094 A CN 201710322094A CN 107052118 A CN107052118 A CN 107052118A
Authority
CN
China
Prior art keywords
soft mode
punch
pin
fuel battery
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710322094.8A
Other languages
Chinese (zh)
Inventor
王传杰
张鹏
陈刚
郭斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Institute of Technology Weihai
Original Assignee
Harbin Institute of Technology Weihai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Institute of Technology Weihai filed Critical Harbin Institute of Technology Weihai
Priority to CN201710322094.8A priority Critical patent/CN107052118A/en
Publication of CN107052118A publication Critical patent/CN107052118A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/10Stamping using yieldable or resilient pads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204Non-porous and characterised by the material
    • H01M8/0206Metals or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fuel Cell (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

Field is manufactured the present invention relates to fuel battery metal double polar plate precise structure, specifically related to a kind of fuel battery double plates are combined flexible die forming device and method, provided with the mould bases with guide pillar guide sleeve structure, one moving platen and a solid plate are installed on mould bases, moving platen produces relative motion under the guide effect of guide pillar guide pin bushing between solid plate, it is characterised in that:Installed on moving platen and soft mode is installed on punch-pin, solid plate holds frame, held inframe bottom and place polyurethane soft mode, polyurethane soft mode is placed above particle soft mode, the present invention is relative to prior art, with simple in construction, technological process is short, efficiency high, low cost and other advantages.

Description

Fuel battery double plates are combined flexible die forming device and method
Technical field
Field is manufactured the present invention relates to fuel battery metal double polar plate precise structure, and in particular to a kind of fuel cell bipolar Plate is combined flexible die forming device and method.
Background technology
Fuel cell have cleaning, efficiently, the features such as the energy is renewable, it is considered to be it is most strong competing instead of traditional energy The person of striving, the major impetus for being expected to replace conventional engine to turn into future automobile is originated, and may be used on electronic product, aviation boat My god, the multiple fields such as stationary electric power plant, market potential is huge.It is bipolar plates manufacture to hinder the topmost reason of commercializing fuel cells Cost is too high, accounts for the 30%~45% of totle drilling cost, and it is to reduce the master of cost to select suitable bipolar plate material and processing technology Want one of approach.
Conventional bipolar plate material mainly includes graphite, composite and metal.Metal has intensity height, processing characteristics Good, electrical and thermal conductivity is strong, low cost and other advantages.Metal double polar plates are to substitute currently manufactured cost height, the graphite pair of poor reliability Pole plate is preferably selected.Existing fuel battery metal double polar plate process technology includes electric spark, wire cutting, etching, casting, chemistry The firm die stamping of burn into, hydroforming etc., but there is the technical problems such as poor, the cost height of forming accuracy, surface quality.Elastomer is soft Stamping pressing formation haves the shortcomings that the filling of bipolar plates knuckle region is difficult, and solid particle has good fluidity, bearing capacity By force, can with non-homogeneous pressure transmission, the good characteristics such as larger active friction power can be generated, therefore other rigid moulds can be overcome and soft The various shortcomings of contour forming, have significant advantage in terms of shaping., will can be big if the advantage of the two can be combined The big forming property and forming quality for improving part.Therefore, carry out metal double polar plate structure and be combined soft mode process technology research, tool There is highly important economic implications.
Chinese patent literature CN101306448A (number of patent application 200810055020.3) discloses a kind of metal blank Rigid particles or compressible powder half-module shaping technique, punch-pin is replaced using particle, and the technology is conducive to complicated shape part Shape, the cost of reduction mould processing improves labor productivity, is conducive to the realization of automation.
Chinese patent literature CN101504984A (number of patent application 200910061252.4) discloses fuel battery metal Bi-polar plate forming mould and manufacturing process, disclosed by the invention is single rubber flexible die forming technology, and mould structure is simple, production Efficiency high, while flexible die forming part is without resilience and warping phenomenon.
The content of the invention
The present invention is for shortcoming and defect present in prior art, it is proposed that a kind of fuel battery metal double polar plate structure The problem of inexpensive, high-quality, mass is manufactured is simple there is provided a kind of mould structure, and die manufacturing cost is low, production efficiency Height, reduces the manufacturing cost of metal double polar plates, while compound flexible die forming stamping parts patch mould is good, is particularly advantageous for bipolar plates fillet The shaping of transitional region, no warpage and rebound phenomenon, the fuel battery double plates that formation of parts dimensional accuracy is high, surface quality is good Compound flexible die forming device and method.
The present invention is reached by following measures:
A kind of fuel battery double plates are combined flexible die forming device, provided with the mould bases with guide pillar guide sleeve structure, on mould bases One moving platen and a solid plate are installed, moving platen produces relative motion under the guide effect of guide pillar guide pin bushing between solid plate, It is characterized in that:Installed on moving platen and soft mode appearance frame is installed on punch-pin, solid plate, held inframe bottom and place polyurethane soft mode, gather Particle soft mode is placed above in urethane soft mode.
Cope plate of the present invention and lower template are made up of the framework of closing guide pin bushing and guide pillar, and remaining subsidiary body of mould is all On the framework of the closing, remaining subsidiary body of the mould include punch-pin, soft mode I, soft mode II, punch retainer, Soft mode holds frame;Its convex mould is fixed on cope plate by punch retainer, and punch retainer is consolidated through bolt and cope plate bottom Fixed connection;Soft mode holds frame and is bolted in lower template;Soft mode I and soft mode II are placed in soft mode and hold inframe, and soft mode I is placed in soft Above mould II, cope plate realizes and pumped that punch-pin is moved up and down with cope plate, and blank is placed in convex by guide pin bushing and guide pillar Between mould and soft mode I.
The bottom surface of punch-pin of the present invention is made up of a series of miniature muscle, and miniature muscle width is that 0.1-1.0mm, depth are 0.05-1.0mm, adjacent miniature muscle spacing range is 0.1-2.0mm, for reaching the mesh for shaping bipolar plates micro-channel structure 's.
Guiding in the present invention between cope plate, lower template ensures by guide pin bushing and guide pillar, is shaped to ensure Cheng Zhong, punch-pin is not deformed or destroyed, and improves punch-pin wearability, and mold materials select mould steel Cr12MoV, and are quenched Fire processing.
Soft mode in the present invention holds frame to ensure in forming process, and cavity plate, which holds frame, not to be deformed or destroy, mould material Material selects mould steel Cr12MoV, and carries out Quenching Treatment, holds mount structure and is dimensioned to round outside but spuare inside formula knot according to design of part Structure, the fillet that internal square structure was designed reduces stress concentration.
Flexible die forming is combined using above-mentioned die device fuel battery double plates present invention also offers one kind, including it is as follows Step:Sheet metal is positioned over into soft mode appearance inframe to be placed in above particle soft mode, transported downwards by forcing press moved cross beam Dynamic, driving moving platen, which is moved, is simultaneously applied to punch-pin pressure on sheet metal, punch-pin contacted with blank after in the case where forcing press is acted on Continue traveling downwardly and extrusion billet and compound soft mode, make the full punch-pin die cavity of blank filling, obtain metal bipolar board member, its specific step Suddenly it is:
Step one:Cope plate drives punch-pin up together under the driving of forcing press, goes upward to punch-pin away from die block Stop during upper surface 2-5mm position;
Step 2:Hold soft mode is positioned over by the sheet bar cut in the die cavity that frame is constituted with soft mode I;
Step 3:Driving punch-pin is run downwards with 10mm/min speed by forcing press quickly to move downwards, treats punch-pin Forcing press downstream rate is adjusted to 0.5-1mm/min after being contacted with blank;
Step 4:Punch-pin, which continues to move downward and starts extruding, is placed in soft mode appearance inframe soft mode I and soft mode II, and soft mode II is produced Raw buffer brake simultaneously supports soft mode I, due to the good fluidity of soft mode I, is gradually filled with blank under the action of compressive stress of soft mode II Punch-pin die cavity;
Step 5:When forcing press runs to displacement set in advance or load, then pressurize 1-3 minutes sheds punch-pin load Lotus, now fuel battery metal double polar plate component forming finish;
Step 6:Punch-pin is moved upwards under the driving of forcing press, and calm inframe takes out part, so as to obtain up-to-standard Metal bipolar board member.
Heretofore described sheet metal thickness is in 0.05-0.5mm scopes.
Heretofore described sheet metal can be single-layer metal thin plate or plied timber thin plate, including same Plant Metal coating and dissimilar metal cladding.
Heretofore described metal double polar plates micro-channel structure width is that 0.1-1.0mm, depth are 0.05-1.0mm, stream Road spacing 0.1-2.0mm.
Heretofore described metal double polar plates micro-channel structure longitudinal section shape can be circular arc, rectangle, trapezoidal Or stepped construction.
Heretofore described metal double polar plates flow field form can be straight channel flow field, serpentine flow or friendship Finger-type flow field, biomimetic type flow field, point-like flow field or mesh flow field.
Heretofore described metallic sheet stock can be stainless steel, nickel, aluminium, the single metallic sheet stock of titanium, also may be used To be the cladding thin plate of above-mentioned any two kinds of materials, including it is stainless steel-titanium plied timber, stainless steel-aluminium plied timber, stainless Steel-nickel plied timber, titanium-aluminium plied timber, nickel-aluminum plied timber, Ni-Ti plied timber material.
Soft mode material main one is elastomer soft mode in the present invention, including polyurethane, silica gel;Two be particle soft mode, including Fine sand, polymeric particles, micro- steel ball and metal dust.
The present invention is replaced using compound flexible die forming, cavity plate with compound soft mode, the advantage of this structure:1) using compound soft Mould replaces cavity plate, need to only process rigid punch-pin, and punch and matrix fit precision requires low, and mould structure is simple, the repeatable profit of soft mode With manufacturing cost is low;2) using compound flexible die forming, it is to avoid the surface tear that occurs during using firm mould, impression defect, simultaneously Avoid using bipolar board member radius area forming quality difference during single polyurethane soft mode and using during single particle soft mode because Elastic properties of materials is not enough and causes the small shortcoming of pressure, and compound soft mode is integrated with the advantage of elastomer soft mode and particle soft mode, shaping Bipolar board member have the advantages that patch mould it is good, dimensional accuracy is high and surface quality is good;3) die device is simple to operate, production Efficiency high, technology stability is good, and die wear is small, can realize the production in enormous quantities of metal double polar plates.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is die device partial enlarged drawing in the present invention.
Reference:1. cope plate;2. lower template;3. guide pin bushing;4. guide pillar;5. punch-pin;6. blank;7. soft mode I;8. soft mode Ⅱ;9. punch retainer;10. soft mode holds frame;11. bolt.
Embodiment
1 and 2 details and working condition for describing technical schemes proposed by the present invention in detail below in conjunction with the accompanying drawings.
Fig. 1 carries out fuel cell bipolar plate structure forming die device structural representation for the present invention.Cope plate (1) and under Template (2) is made up of the framework of closing guide pin bushing (3) and guide pillar (4), and all accessory structures of mould are all arranged on the frame of the closing On frame.Punch-pin (5) is fixed on cope plate (1) by the bolt (11) through punch retainer (9).Soft mode holds frame (10) and passed through Bolt (11) is fixed in lower template (2).Soft mode I (7) and soft mode II (8), which are placed in soft mode, to be held in frame (10).Soft mode I (7) is placed in Soft mode II (8) is above.Cope plate (1) can be achieved to pump by guide pin bushing (3) and guide pillar (4).Punch-pin (5) can be with upper mould Plate (1) is moved up and down.Blank (7) is placed between punch-pin (5) and soft mode I (7).
Guiding between the cope plate (1) of present embodiment, lower template (2) is ensured by guide pin bushing (3) and guide pillar (4) 's.
The punch-pin (5) and soft mode of present embodiment hold frame (10) fit precision and ensured by the accuracy of manufacture.
The punch-pin (5) and soft mode of present embodiment hold frame (10) respectively by bolt (11) be fixed on cope plate (1) and under In template (2).
The design of the punch-pin (5) of present embodiment:In order to ensure in forming process, punch-pin is not deformed or destroyed, and Punch-pin wearability is improved, mold materials select mould steel Cr12MoV, and carry out Quenching Treatment.
The soft mode of present embodiment holds the design of frame (10):In order to ensure in forming process, cavity plate holds frame and not deformed Or destruction, mold materials select mould steel Cr12MoV, and carry out Quenching Treatment, hold mount structure according to design of part size design Into round outside but spuare inside formula structure, the fillet that internal square structure was designed reduces stress concentration.
Embodiment one:Illustrate present embodiment, the manufacture fuel battery metal of present embodiment with reference to Fig. 1 and 2 The method of bipolar plate structure, is concretely comprised the following steps:
Step one:Cope plate (1) drives punch-pin (5) up together under the driving of forcing press, goes upward to punch-pin (5) away from recessed Stop during mould fixed plate (9) upper surface 2-5mm position.
Step 2:Hold soft mode is positioned over by the sheet bar cut in the die cavity that frame (10) is constituted with soft mode I (7);
Step 3:Driving punch-pin (5) quick motion downwards is run downwards with 10mm/min speed by forcing press, treats convex Forcing press downstream rate is adjusted to 0.5-1mm/min by mould (5) after being contacted with blank (6);
Step 4:Punch-pin (5), which continues to move downward and starts extruding, is placed in soft mode appearance frame (10) interior soft mode I (7) and soft mode II (8), soft mode II (8) produces buffer brake and supports soft mode I (7).Due to soft mode I (7) good fluidity, in soft mode II (8) pressure Under stress punch-pin (5) die cavity is gradually filled with blank (6).
Step 5:When forcing press runs to displacement set in advance or load, then pressurize 1-3 minutes sheds punch-pin (5) Load, now fuel battery metal double polar plate component forming finish;
Step 6:Punch-pin (5) is moved upwards under the driving of forcing press, part is taken out in calm frame (10), so as to obtain Up-to-standard metal bipolar board member;
According to above-mentioned embodiment, scope described in present invention can be implemented, and the present invention is not limited solely to above-mentioned reality Apply mode.
The present invention is relative to prior art, with simple in construction, technological process is short, efficiency high, low cost and other advantages.

Claims (6)

1. a kind of fuel battery double plates are combined flexible die forming device, provided with the mould bases with guide pillar guide sleeve structure, pacify on mould bases A moving platen and a solid plate are filled, moving platen produces relative motion under the guide effect of guide pillar guide pin bushing between solid plate, its It is characterised by:Installed on moving platen and soft mode appearance frame is installed on punch-pin, solid plate, held inframe bottom and place polyurethane soft mode, poly- ammonia Particle soft mode is placed above in ester soft mode.
2. a kind of fuel battery double plates according to claim 1 are combined flexible die forming device, it is characterised in that cope plate The framework of closing is made up of guide pin bushing and guide pillar with lower template, remaining subsidiary body of mould is all arranged on the framework of the closing On, remaining subsidiary body of the mould includes punch-pin, soft mode I, soft mode II, punch retainer, soft mode and holds frame;Its convex mould leads to Cross punch retainer to be fixed on cope plate, punch retainer is fixedly connected through bolt with cope plate bottom;Soft mode holds frame and passed through It is bolted in lower template;Soft mode I and soft mode II are placed in soft mode and hold inframe, and soft mode I is placed in above soft mode II, and cope plate passes through Guide pin bushing and guide pillar, which are realized, to be pumped, and punch-pin is moved up and down with cope plate, and blank is placed between punch-pin and soft mode I.
3. a kind of fuel battery double plates according to claim 1 are combined flexible die forming device, it is characterised in that punch-pin Bottom surface is made up of a series of miniature muscle, and miniature muscle width is that 0.1-1.0mm, depth are 0.05-1.0mm, adjacent miniature muscle Spacing range is 0.1-2.0mm, for reaching the purpose for shaping bipolar plates micro-channel structure.
4. a kind of fuel battery double plates using the die device as described in any one in claim 1-3 are combined flexible die forming Method, it is characterised in that comprise the following steps:Sheet metal is positioned over into soft mode appearance inframe to be placed in above particle soft mode, led to Excess pressure machine moved cross beam is moved downward, and driving moving platen is moved and punch-pin pressure is applied on sheet metal, punch-pin and base Continued traveling downwardly and extrusion billet and compound soft mode under forcing press effect after material contact, make the full punch-pin die cavity of blank filling, obtain Metal bipolar board member, it is concretely comprised the following steps:
Step one:Cope plate drives punch-pin up together under the driving of forcing press, goes upward to punch-pin away from die block upper table Stop during face 2-5mm position;
Step 2:Hold soft mode is positioned over by the sheet bar cut in the die cavity that frame is constituted with soft mode I;
Step 3:Driving punch-pin is run downwards with 10mm/min speed by forcing press quickly to move downwards, treats punch-pin and base Forcing press downstream rate is adjusted to 0.5-1mm/min after material contact;
Step 4:Punch-pin, which continues to move downward and starts extruding, is placed in soft mode appearance inframe soft mode I and soft mode II, and soft mode II is produced instead To pressure and soft mode I is supported, due to the good fluidity of soft mode I, punch-pin is gradually filled with blank under the action of compressive stress of soft mode II Die cavity;
Step 5:When forcing press runs to displacement set in advance or load, then pressurize 1-3 minutes sheds punch-pin load, this When fuel battery metal double polar plate component forming finish;
Step 6:Punch-pin is moved upwards under the driving of forcing press, and calm inframe takes out part, so as to obtain up-to-standard gold Belong to bipolar board member.
5. a kind of fuel battery double plates according to claim 4 are combined flexible die forming method, it is characterised in that described Sheet metal thickness is in 0.05-0.5mm scopes;Sheet metal is single-layer metal thin plate, or plied timber thin plate, including same Plant Metal coating and dissimilar metal cladding.
6. a kind of fuel battery double plates according to claim 4 are combined flexible die forming method, it is characterised in that described Metal double polar plates micro-channel structure width is that 0.1-1.0mm, depth are 0.05-1.0mm, runner spacing 0.1-2.0mm;Metal is double Pole plate micro-channel structure longitudinal section shape is circular arc or rectangle or trapezoidal or stepped construction.
CN201710322094.8A 2017-05-09 2017-05-09 Fuel battery double plates are combined flexible die forming device and method Pending CN107052118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710322094.8A CN107052118A (en) 2017-05-09 2017-05-09 Fuel battery double plates are combined flexible die forming device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710322094.8A CN107052118A (en) 2017-05-09 2017-05-09 Fuel battery double plates are combined flexible die forming device and method

Publications (1)

Publication Number Publication Date
CN107052118A true CN107052118A (en) 2017-08-18

Family

ID=59596627

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710322094.8A Pending CN107052118A (en) 2017-05-09 2017-05-09 Fuel battery double plates are combined flexible die forming device and method

Country Status (1)

Country Link
CN (1) CN107052118A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108015145A (en) * 2018-02-07 2018-05-11 南昌航空大学 A kind of multiple location local loading rubber pad forming method and apparatus
CN110600761A (en) * 2019-10-16 2019-12-20 嘉兴职业技术学院 Processing device and processing method for fuel cell metal bipolar plate with high depth-to-width ratio
CN111468605A (en) * 2020-04-17 2020-07-31 苏州大学 Compound bulging school shape integral type device of ultra-thin plate microstructure
CN111702056A (en) * 2020-07-27 2020-09-25 北京新研创能科技有限公司 Polar plate processing device
CN111745052A (en) * 2020-06-15 2020-10-09 珠海格力精密模具有限公司 Forming die with guarantee shaping quality effect
CN112974642A (en) * 2021-02-09 2021-06-18 上海交通大学 Electrically-assisted forming device and process for metal polar plate of fuel cell
CN113547012A (en) * 2021-07-21 2021-10-26 哈尔滨工业大学(威海) Composite metal sheet micro-array functional structural member and forming method and device thereof
CN114130883A (en) * 2021-11-16 2022-03-04 武汉理工大学 Stainless steel metal bipolar plate hydraulic forming method for pulse loading auxiliary hydrogen fuel cell
DE102022203004A1 (en) 2022-03-28 2023-09-28 Robert Bosch Gesellschaft mit beschränkter Haftung Device, in particular punching press, for forming a metal sheet and method for producing a monopolar and/or bipolar plate
CN116984467A (en) * 2023-09-26 2023-11-03 合肥工业大学 Ultrasonic-assisted precise forming method for ultrathin metal polar plate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101504984A (en) * 2009-03-24 2009-08-12 武汉理工大学 Metallic bipolar plate forming mold for fuel cell and forming method
CN201693080U (en) * 2010-06-30 2011-01-05 重庆理工大学 Sheet forming die with non-uniform back pressure
CN102854741A (en) * 2012-09-29 2013-01-02 青岛理工大学 Composite soft mold for wafer-level nanoimprint of non-flat substrate and manufacturing method
CN103909132A (en) * 2014-04-04 2014-07-09 燕山大学 Reverse drawing method for soft die with peripheral auxiliary thrust
CN104607489A (en) * 2015-01-26 2015-05-13 上海理工大学 Micro-forward-extrusion forming device and process for conical head rod piece
CN105290229A (en) * 2013-06-28 2016-02-03 吴红平 Work method of composite die
CN205650651U (en) * 2016-04-28 2016-10-19 山东科技大学 Utilize polyurethane rubber and solid particle to replace panel shaper of die

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101504984A (en) * 2009-03-24 2009-08-12 武汉理工大学 Metallic bipolar plate forming mold for fuel cell and forming method
CN201693080U (en) * 2010-06-30 2011-01-05 重庆理工大学 Sheet forming die with non-uniform back pressure
CN102854741A (en) * 2012-09-29 2013-01-02 青岛理工大学 Composite soft mold for wafer-level nanoimprint of non-flat substrate and manufacturing method
CN105290229A (en) * 2013-06-28 2016-02-03 吴红平 Work method of composite die
CN103909132A (en) * 2014-04-04 2014-07-09 燕山大学 Reverse drawing method for soft die with peripheral auxiliary thrust
CN104607489A (en) * 2015-01-26 2015-05-13 上海理工大学 Micro-forward-extrusion forming device and process for conical head rod piece
CN205650651U (en) * 2016-04-28 2016-10-19 山东科技大学 Utilize polyurethane rubber and solid particle to replace panel shaper of die

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《五莲年鉴》编委会: "《五莲年鉴 1989-1997》", 31 May 1998, 山东人民出版社 *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108015145A (en) * 2018-02-07 2018-05-11 南昌航空大学 A kind of multiple location local loading rubber pad forming method and apparatus
CN110600761A (en) * 2019-10-16 2019-12-20 嘉兴职业技术学院 Processing device and processing method for fuel cell metal bipolar plate with high depth-to-width ratio
CN110600761B (en) * 2019-10-16 2024-04-26 嘉兴职业技术学院 Processing device and processing method for fuel cell metal bipolar plate with high aspect ratio
CN111468605A (en) * 2020-04-17 2020-07-31 苏州大学 Compound bulging school shape integral type device of ultra-thin plate microstructure
CN111745052A (en) * 2020-06-15 2020-10-09 珠海格力精密模具有限公司 Forming die with guarantee shaping quality effect
CN111702056A (en) * 2020-07-27 2020-09-25 北京新研创能科技有限公司 Polar plate processing device
CN112974642B (en) * 2021-02-09 2022-10-11 上海交通大学 Electrically-assisted forming device and process for metal polar plate of fuel cell
CN112974642A (en) * 2021-02-09 2021-06-18 上海交通大学 Electrically-assisted forming device and process for metal polar plate of fuel cell
CN113547012B (en) * 2021-07-21 2022-04-12 哈尔滨工业大学(威海) Composite metal sheet micro-array functional structural member and forming method and device thereof
CN113547012A (en) * 2021-07-21 2021-10-26 哈尔滨工业大学(威海) Composite metal sheet micro-array functional structural member and forming method and device thereof
CN114130883A (en) * 2021-11-16 2022-03-04 武汉理工大学 Stainless steel metal bipolar plate hydraulic forming method for pulse loading auxiliary hydrogen fuel cell
CN114130883B (en) * 2021-11-16 2024-01-09 武汉理工大学 Hydraulic forming method for stainless steel metal bipolar plate of pulse loading auxiliary hydrogen fuel cell
DE102022203004A1 (en) 2022-03-28 2023-09-28 Robert Bosch Gesellschaft mit beschränkter Haftung Device, in particular punching press, for forming a metal sheet and method for producing a monopolar and/or bipolar plate
CN116984467A (en) * 2023-09-26 2023-11-03 合肥工业大学 Ultrasonic-assisted precise forming method for ultrathin metal polar plate
CN116984467B (en) * 2023-09-26 2023-12-15 合肥工业大学 Ultrasonic-assisted precise forming method for ultrathin metal polar plate

Similar Documents

Publication Publication Date Title
CN107052118A (en) Fuel battery double plates are combined flexible die forming device and method
CN102000825A (en) Method for manufacturing driving gear of motorcycle clutch
CN201201030Y (en) Nitrogen compacting mould for hot trimming and punching forgings
CN103639227A (en) Die and method for manufacturing ultrathin-wall small cylinder part
CN201565524U (en) Continuous stamping mold for metal stamping
CN204953630U (en) Ejecting formula blanking die
CN111906189A (en) Plate incremental forming point contact processing method without circumferential friction
CN202123158U (en) Special die for shaping lower supporting seat orifices of automobile shock absorber
CN201625727U (en) Various-shape terrace-die forming mold with controllable draw bead added with radial pushing force
CN102601195B (en) Pier thickness stamping process of separated pull ring and pier thickness stamping die
CN202185551U (en) Finish forging stock die for producing track spikes
CN106077382A (en) A kind of high intensity 20CrMoNi duplex spur gear precise forming process and mould
CN105665534A (en) Drawing die
CN101954759A (en) Lightweight dot-matrix coreboard and method for manufacturing same by electrospark perforation
CN202045281U (en) Blanking forming and punching die
CN201702254U (en) Slender bolt head chipless forming die
CN208288906U (en) A kind of mold for cold forging flake ring
CN204338727U (en) Stainless steel coated precise punching die
CN2855571Y (en) Shape-formation mould device for plate-material with cutting function together with reparing function
CN1817503A (en) Precisioning forging method of crawler belt plate
CN201969876U (en) Combined step hole bead tool bit die for wire saw
CN203936261U (en) A kind of diel
CN207642099U (en) A kind of molding blanking die of compartment crossbeam
CN207806383U (en) A kind of sheet metal multiple-grooved automobile belt wheel spinning mold
CN201625678U (en) Cold extruding die for hexagon nut

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170818