CN208596749U - A kind of fuel cell molding pairs of production system of bipolar plates - Google Patents
A kind of fuel cell molding pairs of production system of bipolar plates Download PDFInfo
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- CN208596749U CN208596749U CN201721902955.1U CN201721902955U CN208596749U CN 208596749 U CN208596749 U CN 208596749U CN 201721902955 U CN201721902955 U CN 201721902955U CN 208596749 U CN208596749 U CN 208596749U
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- flow field
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model relates to a kind of fuel cells to be molded the pairs of production system of bipolar plates, including front molding device and rear portion molding machine, wherein, front molding device includes: rolling feeding machine (1), cathode flow field roller printing machine (2), anode flow field roller printing machine (4) and wind-up roll (6)；Rear portion molding machine includes: let off roll a (7), let off roll b (8), glue spreader, guide reel (10), press bonding roller (11), high temperature oven (12), position checking device (13), Scissoring device (14) and circulation carrier (15).Compared with prior art, the utility model realizes the pairs of flow line production of bipolar plates, has many advantages, such as that high-efficient, precision is high.
Description
Technical field
The utility model belongs to the preparation field of fuel cell, and in particular to a kind of fuel cell molding bipolar plates are given birth in pairs
Production system.
Background technique
Fuel cell is usually made of multiple battery units, and each battery unit includes two electrodes (anode and cathode),
Two electrodes are separated by electrolyte element, and are assembled in series with each other, and fuel cell pack is formed.By being supplied to each electrode
To reactant appropriate, i.e. another supply oxidant to electrode supply fuel realizes electrochemical reaction, thus in electricity
Potential difference is formed between pole, and is therefore produced electricl energy.
In order to give each electrode supply response object, using commonly referred to as " bipolar plates " and each single battery is set
The specific interface element of two sides.These bipolar plates are usually the form for the discrete component that neighbouring anode or cathode supporter is placed.
Bipolar plates are the critical elements of fuel cell unit.In the process of running, bipolar plates execute following function to maintain to fuel cell pack
The optimum Working and service life of fuel cell pack: (1) battery conductive body, pole plate two sides are respectively formed cathode anode,
Will one by one battery cells in series to form fuel cell pack；(2) reaction gas (mass transfer) is provided to electrode by runner；(3) it assists
The management of water transfer and heat prevents cooling medium and reaction gas from leaking outside；(4) structural strength branch is provided to membrane electrode assembly (MEA)
It holds.
To complete above-mentioned function, the material of bipolar plates needs to have high conductivity, enough mechanical strengths, good heat
Lead, gas permeation rate is low, it is anticorrosive and can in cell operating conditions chemical stabilization for quite a long time.In addition, it is contemplated that setting
Meter and needs easy to manufacture, the material of bipolar plates should also have it is light-weight, it is small in size, it is low in cost, or even require
The features such as recoverable.
Existing molding board assembly line is that the unipolar plate of continuous batch production is obtained cathode and anode veneer by cutting,
It is completed again by the production method of traditional graphite bi-polar plate.Traditional bipolar plates manufacturing process is exactly that will have diversion trench
Two pieces of pole plates of cathode and anode are pasted by smearing binder by hand and bipolar plates are made together by unipolar plate.Whole process is all hand
Work operation, two graphite unipolar plates, which are especially adhesively-bonded together to form bipolar plates all, is pressed by manual alignment, gluing,
Low efficiency, large labor intensity, and also the requirement for operative employee is high, and the possible performance of bipolar plates made of different operators is complete
It is different.
Summary of the invention
The purpose of this utility model be exactly provide for overcome the deficiencies in the prior art it is a kind of realize bipolar plates at
To flow line production, there is good corrosion resistance, electrical and thermal conductivity, gas barrier property and mechanical strength, hair fuel cell mould low in cost
Press the pairs of production system of bipolar plates.
The utility model is achieved through the following technical solutions: a kind of fuel cell molding bipolar plates produce in pairs is
System, which is characterized in that including front molding device and rear portion molding machine, wherein front molding device includes: rolling feed
Machine, cathode flow field roller printing machine, anode flow field roller printing machine and wind-up roll, soft rock ink board raw material band are drawn from rolling feeding machine
After out, after being delivered to cathode flow field roller printing machine and the molding of anode flow field roller printing machine, wound in wind-up roll；
Rear portion molding machine includes: let off roll a, let off roll b, glue spreader, guide reel, press bonding roller, high temperature oven, position school
Nuclear device, Scissoring device and circulation carrier；The pole plate bands of volume two of wind-up roll winding are respectively wound around let off roll a and let off roll b, according to
It is secondary to be carried out after shearing in pairs by glue spreader, guide reel, press bonding roller, high temperature oven, position checking device and Scissoring device, point
It is not placed in circulation carrier.
Further, two insertions are designed on the cathode flow field roller printing machine and anode flow field roller printing machine
Formula aluminium-making mould, the mold of cathode flow field roller printing machine are equipped with the cathode flow field of the coolant flow field containing half, anode flow field rolling
Cylinder printing machine is equipped with the anode flow field of the coolant flow field containing half, is located at producing line arranged on left and right sides or cathode flow field roller print
Flower machine and at least one mold of anode flow field roller printing machine are equipped with coolant flow field.
Further, the cathode flow field roller printing machine includes the upper drum die a being correspondingly arranged up and down and lower rolling
Cylinder mould has a, wherein the upper surface drum die a is equipped with cathode flow field and is molded slot, and the bottom roll surface mold a is equipped with coolant flow field mould
Indent, soft rock ink board raw material band enters to be molded between upper drum die a and bottom roll mold a, makes soft rock ink board raw material mould
Extrude the cathode veneer with coolant flow field；The anode flow field roller printing machine includes the upper drum die being correspondingly arranged up and down
B and bottom roll mold b, wherein the upper surface drum die b is equipped with anode flow field and is molded slot, and bottom roll b die surface is equipped with cooling
Flow field is molded slot, and soft rock ink board raw material band enters to be molded between upper drum die b and bottom roll mold b, makes soft graphite plate
Raw material is molded out the anode veneer with coolant flow field.
Wherein, cathode flow field roller printing machine and anode flow field roller printing machine can front and back setting, and on each printing machine
Roller be respectively set at left and right sides of soft rock ink strip, spacing between the two is to make in soft rock ink strip except first piece of cathode diversion
Outside slot or anode diversion trench, remaining cathode diversion slot and anode diversion trench are symmetricly set in pairs at left and right sides of soft rock ink ribbon.
The cathode flow field roller printing machine and anode flow field roller printing machine also can be set in same rack,
Middle cathode flow field roller and anode flow field roller symmetrically arranged side by side make same at left and right sides of soft rock ink strip at left and right sides of rack
When be molded out arranged symmetrically cathode diversion slot and anode diversion trench in pairs.
In above two scheme, pressure adjustment is equipped on cathode flow field roller printing machine and anode flow field roller printing machine
Device；The soft rock ink board raw material two sides are equipped with stamp location hole, provide accurate position reference for subsequent operation step.Pass through
The pressure of the adjustment of pressure regulation device real-time linkage and the compacting of monitoring cathode flow field and anode flow field compacting of two printing machines.
The drive system of the rolling feeding machine and cathode flow field roller printing machine and anode flow field roller printing machine
The networking of pressing speed control system synchronizes.Setting before and after the cathode flow field roller printing machine and anode flow field roller printing machine
When, an adjustment roller is set therebetween, is adjusted into the soft rock ink board raw material band of latter printing machine；The volume of the wind-up roll
Tracking roller equipped with a change position before core, effect are leaned against flexible graphite polar plate crimped in winding core, are carried out
Smooth flexible graphite polar plate volume is gone in core rapidly, realizes the mesh of smooth winding by contact winding or small―gap suture winding
's.
Compared with prior art, the beneficial effects of the utility model are embodied in following several respects:
(1) all yin, yang unipolar plates are all completed by Tthe utility model system, and production in pairs, and cathode and anode will not occur
Plate bonds quantity mismatch problem.
(2) the yin, yang unipolar plate of the utility model passes through the alignment of guide reel, can greatly improve the bonding of yin, yang pole plate
Matching precision.Also guarantee the consistency of bipolar plates quality produced simultaneously.
(3) the utility model realizes fuel cell molding yin, yang unipolar plate and produces in batches in pairs, molding bipolar plates stream
The bonding in pairs of the machinery of waterline, it is high-efficient, human cost is greatly reduced, and by the production of serialization, what is obtained is bipolar
Plate consistency is good, superior in quality, can be used for large batch of bipolar plates production.
Detailed description of the invention
Fig. 1 is the roll-in of the pairs of monopole coiled sheet of the utility model, coiled production line schematic diagram；
Fig. 2 is the bonding of the pairs of bipolar plates of the utility model, cuts production line schematic diagram；
Fig. 3 is the arrangement schematic diagram of the utility model cathode drum printing machine and anode roller printing machine；
Fig. 4 is the pairs of unipolar plate front enlarged drawing of the utility model production；
Fig. 5 is the pairs of unipolar plate reverse side enlarged drawing of the utility model production；
Fig. 6 is the positive and negative schematic diagram before the bipolar plates after the utility model bonds in pairs are not cut.
Wherein, 1, rolling feeding machine, 2, cathode flow field roller printing machine, 21, upper drum die a, 22, bottom roll mold a,
3, roller, 4, anode flow field roller printing machine, 41, upper drum die b, 42, bottom roll mold b, 5, resin spray machine, 6, receipts are adjusted
Winding up roller, 7, let off roll a, 8, let off roll b, 9, glue stations, 10, guide reel, 11, press bonding roller, 12, high temperature oven, 13, position
Capacity checking device, 14, Scissoring device, 15, circulation carrier, 16, pressure regulation device, 17, stamp location hole.
Specific embodiment
The utility model is illustrated with reference to the drawings and specific embodiments:
Embodiment 1
Fuel cell is molded the pairs of production system of bipolar plates, including front molding device and rear portion molding machine, in which:
Front molding device includes: rolling feeding machine 1, cathode flow field roller printing machine 2, anode flow field roller printing machine 4
With wind-up roll 6, soft rock ink board raw material band is delivered to cathode flow field roller printing machine 2 and anode stream after the pull-out of rolling feeding machine 1
After field roller printing machine 4 is molded, wound in wind-up roll 6；
Rear portion molding machine includes: let off roll a7, let off roll b8, glue spreader, guide reel 10, press bonding roller 11, high temperature oven
12, position checking device 13, Scissoring device 14 and circulation carrier 15；The pole plate bands of volume two that wind-up roll 6 is wound, which are respectively wound around, to be put
Winding up roller a7 and let off roll b8 successively passes through glue spreader, guide reel 10, press bonding roller 11, high temperature oven 12, position checking device 13
With Scissoring device 14, carries out after shearing in pairs, be respectively placed in circulation carrier 15.
Using above system generate method the following steps are included:
Pressing plate: as shown in figure 1, soft rock ink board raw material band is delivered to 2 He of cathode flow field roller printing machine by rolling feeding machine 1
Anode flow field roller printing machine 4 carries out cathode diversion slot respectively in front the right and left of soft rock ink board raw material band and anode is led
The coining of chute, soft rock ink board raw material band reverse side the right and left simultaneously or unilateral coining coolant flow field, obtain the right and left
The pole plate band of respectively pairs of cathode plate and anode plate flow field sprays resin figure layer by resin spray machine 5 on pole plate band,
Hereafter, which is wound by wind-up roll 6；Tracking roller equipped with a change position before the core of wind-up roll 6, effect
It is to lean against flexible graphite polar plate crimped in winding core, contact winding or small―gap suture winding is carried out, by smooth flexible stone
Black pole plate volume is gone in core rapidly, realizes the purpose of smooth winding.
Such as Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the specific structure of 2 anode flow field roller printing machine 4 of cathode flow field roller printing machine and
Implementation carry out it is as follows: be designed on cathode flow field roller printing machine 2 and anode flow field roller printing machine 4 two it is embedded
Aluminium-making mould, cathode flow field roller printing machine 2 include the upper drum die a 21 and bottom roll mold a 22 being correspondingly arranged up and down,
Wherein, upper 21 surface drum die a is equipped with cathode flow field and is molded slot, and soft rock ink board raw material band enters upper 21 He of drum die a
It is molded between bottom roll mold a 22, soft rock ink board raw material is made to be molded out cathode flow field on one side；Anode flow field roller printing
Machine 4 includes the upper drum die b 41 and bottom roll mold b 42 being correspondingly arranged up and down, wherein upper 41 surface drum die b is set
There is anode flow field to be molded slot, 42 surface of bottom roll b mold is equipped with coolant flow field and is molded slot, and soft rock ink board raw material band enters upper roller
It is molded between mold b 41 and bottom roll mold b 42, soft rock ink board raw material is made to be molded out anode flow field on one side.Cathode stream
Field roller printing machine 2 and at least one mold of anode flow field roller printing machine 4 are equipped with coolant flow field.
It is arranged before and after cathode flow field roller printing machine 2 and anode flow field roller printing machine 4, an adjustment is set therebetween
Roller 3, is adjusted into the soft rock ink board raw material band of anode flow field roller printing machine 4, and soft rock is respectively set in the roller on each printing machine
At left and right sides of black strip, spacing between the two is to make in soft rock ink strip in addition to first piece of cathode diversion slot or anode diversion trench,
Remaining cathode diversion slot and anode diversion trench are symmetricly set in pairs at left and right sides of soft rock ink ribbon.The soft rock ink board raw material
Two sides are equipped with stamp location hole 17, as shown in Figure 4.It is adjusted by stamp location hole 17, adjustment roller 3 etc. and is molded in soft rock ink strip
The position of each cathode diversion slot and anode diversion trench.
The drive system of rolling feeding machine 1 and the pressure of cathode flow field roller printing machine 2 and anode flow field roller printing machine 4
Speed control system networking is closed to synchronize.In Fig. 3, it is all provided on cathode flow field roller printing machine 2 and anode flow field roller printing machine 4
There is pressure regulation device 16, pressure is controlled in 1.0-2.0MPa, and the speed that roll-in goes out pole plate is 2-5min/ pairs.
Gluing: as shown in Fig. 2, the pole plate bands of volume two are respectively wound around let off roll a7 and let off roll b8, make the pole plate bands of volume two
Reverse side is corresponding, by a pair of of glue spreader after drawing respectively, in coolant flow field side gluing；
Bonding: it is pressed as shown in Fig. 2, being guided the pairs of pole plate band after gluing by guide reel 10 to press bonding roller 11, so
Pass through the bonding drying of high temperature oven 12 afterwards；
It cuts: as shown in Fig. 2, the bipolar plates that bonding obtains are subjected to cutting pre-determined bit by position checking device 13, it
It is sheared, is respectively placed in circulation carrier 15 stand-by in pairs by Scissoring device 14 afterwards.
Embodiment 2
In sheeting process step, by cathode flow field roller printing machine 2 shown in Fig. 3 and anode flow field roller printing machine
4 are arranged in same rack, and wherein cathode flow field roller and anode flow field roller symmetrically arranged side by side make at left and right sides of rack
Cathode diversion slot and anode diversion trench arranged symmetrically in pairs are molded out at left and right sides of soft rock ink strip simultaneously.Remaining is the same as embodiment 1.
Embodiment 3
In conjunction with Fig. 1, Fig. 3, Fig. 5 and Fig. 6, cathode flow field roller printing machine 2 and anode flow field roller printing machine 4 are replaced with
Two insertions are designed on cathode flow field flat clamp and anode flow field flat clamp, cathode flow field flat clamp and anode flow field flat clamp
Formula aluminium-making mould, the mold of cathode flow field flat clamp are equipped with the cathode flow field with coolant flow field, set on anode flow field flat clamp
There is the anode flow field with coolant flow field, is located at producing line arranged on left and right sides, cathode flow field flat clamp and anode flow field flat clamp are extremely
A few mold is equipped with coolant flow field.Cathode flow field flat clamp includes the upper plate mold a being correspondingly arranged up and down and lower board mold
A, wherein upper plate die surface is equipped with cathode flow field and is molded slot, and lower plate die surface is equipped with coolant flow field and is molded slot, soft graphite plate
Raw band, which enters between upper plate mold a and lower board mold a, to be molded, and soft rock ink board raw material is made to be molded out the yin with coolant flow field
Pole veneer；The anode flow field flat clamp includes the upper plate mold b being correspondingly arranged up and down and lower board mold b, wherein upper-plate mold
Have the surface b and be equipped with anode flow field molding slot, lower board mold b die surface is equipped with coolant flow field and is molded slot, soft rock ink board raw material band
It is molded between upper plate mold b and lower board mold b, soft rock ink board raw material is made to be molded out the anode list with coolant flow field
Plate.Remaining is the same as embodiment 1.
Claims (9)
1. a kind of fuel cell is molded the pairs of production system of bipolar plates, which is characterized in that including front molding device and rear portion at
Type device, wherein front molding device includes: rolling feeding machine (1), cathode flow field roller printing machine (2), anode flow field roller
Printing machine (4) and wind-up roll (6) after soft rock ink board raw material band is pulled out from rolling feeding machine (1), are delivered to cathode flow field roller print
After flower machine (2) and anode flow field roller printing machine (4) molding, wound in wind-up roll (6)；
Rear portion molding machine includes: let off roll a (7), let off roll b (8), glue spreader, guide reel (10), press bonding roller (11), high temperature
Baking oven (12), position checking device (13), Scissoring device (14) and circulation carrier (15)；The pole plates of volume two of wind-up roll (6) winding
Band is respectively wound around let off roll a (7) and let off roll b (8), successively passes through glue spreader, guide reel (10), press bonding roller (11), high temperature
Baking oven (12), position checking device (13) and Scissoring device (14) carry out after shearing in pairs, are respectively placed in circulation carrier (15)
In.
2. a kind of fuel cell according to claim 1 is molded the pairs of production system of bipolar plates, which is characterized in that described
Two embedded type aluminum molding jigs, cathode stream are designed on cathode flow field roller printing machine (2) and anode flow field roller printing machine (4)
The mold of roller printing machine (2) is equipped with the coolant flow field to cathode flow field and half, on anode flow field roller printing machine (4)
Coolant flow field equipped with anode flow field and half, so that coolant flow field is half-and-half set to the back side of cathode flow field and anode flow field,
And this is located at producing line arranged on left and right sides or cathode flow field roller printing machine (2) and anode flow field roller to roller printing machine
Printing machine (4) at least one mold is equipped with coolant flow field.
3. a kind of fuel cell according to claim 2 is molded the pairs of production system of bipolar plates, which is characterized in that described
Cathode flow field roller printing machine (2) includes the upper drum die a (21) being correspondingly arranged up and down and bottom roll mold a (22), wherein
Upper (21) surface drum die a is equipped with cathode flow field and is molded slot, and (22) surface bottom roll mold a is equipped with the coolant flow field mould of half
Indent；The anode flow field roller printing machine (4) includes the upper drum die b (41) being correspondingly arranged up and down and bottom roll mold
B (42), wherein upper (41) surface drum die b is equipped with anode flow field and is molded slot, and (42) surface bottom roll mold b is equipped with half
Coolant flow field be molded slot.
4. a kind of fuel cell according to claim 1 is molded the pairs of production system of bipolar plates, which is characterized in that described
Cathode flow field roller printing machine (2) and anode flow field roller printing machine (4) use cathode flow field flat clamp and anode flow field concora crush
Plate is replaced.
5. a kind of fuel cell according to claim 1 is molded the pairs of production system of bipolar plates, which is characterized in that described
Setting before and after cathode flow field roller printing machine (2) and anode flow field roller printing machine (4), and the roller on each printing machine is set respectively
It is placed at left and right sides of soft rock ink strip.
6. a kind of fuel cell according to claim 1 is molded the pairs of production system of bipolar plates, which is characterized in that described
Cathode flow field roller printing machine (2) and anode flow field roller printing machine (4) are arranged in same rack, wherein cathode flow field roller
With anode flow field roller symmetrically arranged side by side at left and right sides of rack.
7. a kind of fuel cell according to claim 1 is molded the pairs of production system of bipolar plates, which is characterized in that described
Pressure regulation device (16) are equipped on cathode flow field roller printing machine (2) and anode flow field roller printing machine (4)；Described is soft
Graphite board raw material two sides are equipped with stamp location hole (17).
8. a kind of fuel cell according to claim 1 is molded the pairs of production system of bipolar plates, which is characterized in that described
The pressing speed of the drive system of rolling feeding machine (1) and cathode flow field roller printing machine (2) and anode flow field roller printing machine (4)
Degree is connect with control system.
9. a kind of fuel cell according to claim 1 is molded the pairs of production system of bipolar plates, which is characterized in that described
Before and after cathode flow field roller printing machine (2) and anode flow field roller printing machine (4) when setting, an adjustment roller is set therebetween
(3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902955.1U CN208596749U (en) | 2017-12-29 | 2017-12-29 | A kind of fuel cell molding pairs of production system of bipolar plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902955.1U CN208596749U (en) | 2017-12-29 | 2017-12-29 | A kind of fuel cell molding pairs of production system of bipolar plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596749U true CN208596749U (en) | 2019-03-12 |
Family
ID=65599336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721902955.1U Active CN208596749U (en) | 2017-12-29 | 2017-12-29 | A kind of fuel cell molding pairs of production system of bipolar plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596749U (en) |
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2017
- 2017-12-29 CN CN201721902955.1U patent/CN208596749U/en active Active
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