CN105172009A - Making method and forming die for hydrogen cell carbon fiber flow field board - Google Patents
Making method and forming die for hydrogen cell carbon fiber flow field board Download PDFInfo
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- CN105172009A CN105172009A CN201510691215.7A CN201510691215A CN105172009A CN 105172009 A CN105172009 A CN 105172009A CN 201510691215 A CN201510691215 A CN 201510691215A CN 105172009 A CN105172009 A CN 105172009A
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Abstract
The invention relates to a making method of a hydrogen cell carbon fiber flow field board. The method comprises the following steps: preparing carbon fiber material for making the cell carbon fiber flow field board, and carrying out impurity clearing and purification treatment; quantitatively weighing the carbon fiber subjected to impurity clearing and purification treatment according to the weight of the carbon fiber flow field board, and separately putting into each containing box; respectively filling the concave die of a forming die with the carbon fiber in each containing box; starting a vibrating part on the forming die, striking off the carbon fiber in the forming die by using a flat plate and closing the vibrating part; starting a hydraulic pressing machine, and pressing the carbon fiber to be a carbon fiber flow field board by die assembly of the forming die, and keeping pressure for 4-5 minutes; opening the forming die, taking down the formed carbon fiber flow field board from the forming die and putting into a packaging slot box for packaging. According to the making method, carbon fiber is adopted to make the carbon fiber flow field board, the making is convenient and quick, the production efficiency is high, the cost is low, and the whole weight of a hydrogen cell is lightened.
Description
Technical field:
The present invention relates to the technical field of hydrogen fuel cell, more specifically to a kind of manufacture method and mould of hydrogen fuel cell carbon fiber flow-field plate.
Background technology:
Hydrogen fuel cell uses this chemical element of hydrogen, manufactures the battery of storage power.Its general principle is the back reaction of brine electrolysis, and hydrogen and oxygen are supplied negative electrode and anode respectively, and after hydrogen is reacted to external diffusion and electrolyte by negative electrode, ejected electron arrives anode by outside load.Flow-field plate is the important component part in current hydrogen fuel cell, its structure as shown in Figure 1, it is the carbon plate of rectangle, carbon plate needs form some roads conduit 11, and the conduit 11 on the contour shape of its carbon plate and carbon plate is general all shaping by carving, not only cost is high for it, also consuming time longer, efficiency is low, and what carbon plate adopted simultaneously is graphite material, the heavier-weight of itself, indirectly the weight of its hydrogen fuel cell is also heavier.
Summary of the invention:
Object of the present invention is exactly the deficiency for prior art, and a kind of manufacture method and mould of hydrogen fuel cell carbon fiber flow-field plate are provided, it adopts carbon fiber to make carbon fiber flow-field plate, fast easy to make, production efficiency is high and cost is low, alleviates the overall weight of hydrogen fuel cell simultaneously.
A manufacture method for hydrogen fuel cell carbon fiber flow-field plate, the method following steps:
Prepare the carbon fibre material of the battery carbon fiber flow-field plate manufactured, and carry out cleaning impurity purification processes;
The carbon fiber of cleaning being purified, according to the weight quantitative weighing of carbon fiber flow-field plate, is separated and is loaded in each charge box;
Carbon fiber in each charge box is filled in the die of mould respectively, starts the vibrating mass on mould, adopt flat board struck off by the carbon fiber in mould and close vibrating mass;
Start hydraulic pressure press, by mould matched moulds, carbon fiber is pressed into carbon fiber flow-field plate, and pressurize 4 ~ 5min;
Mould is opened, and takes off shaping carbon fiber flow-field plate from mould, and puts into packaging groove box and carry out packing and process.
A kind of mould of hydrogen fuel cell carbon fiber flow-field plate, comprise upper die and lower die, counterdie comprises die shoe, the both sides of die shoe bottom surface are fixedly connected with support column, the lower end of support column is fixed on infrabasal plate, the upper surface of die shoe forms the die groove of several carbon fiber flow-field plate outer contour shapes, the bottom surface of die groove forms the slotted eye running through die shoe bottom surface, in the die groove of die shoe, grafting is fixed with concave template, the lower surface of concave template is resisted against on the bottom surface of die groove, the upper surface of concave template forms some roads groove, the lower surface of concave template is fixedly connected with vibrating motor, vibrating motor is plugged in slotted eye, the both sides of vibrating motor are provided with oil cylinder, oil cylinder is fixed on infrabasal plate, the piston rod of oil cylinder is fixed on concave template through slotted eye,
Described patrix comprises pressing plate, and pressing plate is positioned at directly over concave template, and pressing plate is fixed on pillar, and the upper end of pillar is fixed on upper substrate.
The outer contour shape of described pressing plate is identical with the outer contour shape of carbon fiber flow-field plate, on the downside of pressing plate die shoe die groove side on form the guiding of circular arc.
The thickness of described concave template is less than the degree of depth of die shoe fovea superior die cavity, and the degree of depth of die groove is less than the stroke of oil cylinder.
Described infrabasal plate forms the installing hole of several waist-shaped hole shapes.
Described groove is evenly distributed on concave template.
Beneficial effect of the present invention is:
1, which propose the flow-field plate that a kind of new preparation method makes hydrogen fuel cell, adopt carbon fiber to make flow-field plate, compare graphite and carve shaping flow-field plate, the weight of flow-field plate can be significantly reduced, thus alleviate the overall weight of hydrogen fuel cell.
2, it adopts the compressing flow-field plate of carbon fiber, and realize one-step shaping, compare engraving technology not only fast easy to make, production efficiency is high, reduces manufacturing cost simultaneously.
3, it is compared graphite and carves shaping carbon fiber flow-field plate, in its manufacturing process, there will not be the scrap of cutting, thus adopts this manufacture method to improve the utilization rate of resource.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of carbon fiber flow-field plate.
Fig. 2 is the flow chart of invention manufacture method;
The structural representation of mould of Fig. 3 for adopting in invention;
Fig. 4 is the schematic top plan view of the counterdie of mould of the present invention;
In figure: 1, carbon fiber flow-field plate; 11, conduit; 2, mould; 21, patrix; 211, pressing plate; 212, pillar; 213, upper substrate; 22, counterdie; 221, die shoe; 2211, die groove; 2212, slotted eye; 2213, lead; 222, concave template; 2221, groove; 223, support column; 224, infrabasal plate; 2241, installing hole; 225, vibrating motor; 226, oil cylinder.
Detailed description of the invention:
Embodiment: see shown in Fig. 2 to 4, a kind of manufacture method of hydrogen fuel cell carbon fiber flow-field plate, the method following steps:
Prepare the carbon fibre material of the battery carbon fiber flow-field plate manufactured, and carry out cleaning impurity purification processes;
The carbon fiber of cleaning being purified, according to the weight quantitative weighing of carbon fiber flow-field plate, is separated and is loaded in each charge box;
Carbon fiber in each charge box is filled in the die of mould respectively, starts the vibrating mass on mould, adopt flat board struck off by the carbon fiber in mould and close vibrating mass;
Start hydraulic pressure press, by mould matched moulds, carbon fiber is pressed into carbon fiber flow-field plate, and pressurize 4 ~ 5min;
Mould is opened, and takes off shaping carbon fiber flow-field plate from mould, and puts into packaging groove box and carry out packing and process.
A kind of mould of hydrogen fuel cell carbon fiber flow-field plate, comprise patrix 21 and counterdie 22, counterdie 22 comprises die shoe 221, the both sides of die shoe 221 bottom surface are fixedly connected with support column 223, the lower end of support column 223 is fixed on infrabasal plate 224, the upper surface of die shoe 221 forms the die groove 2211 of several carbon fiber flow-field plate outer contour shapes, the bottom surface of die groove 2211 forms the slotted eye 2212 running through die shoe 221 bottom surface, in the die groove 2211 of die shoe 221, grafting is fixed with concave template 222, the lower surface of concave template 222 is resisted against on the bottom surface of die groove 2211, the upper surface of concave template 222 forms some roads groove 2221, the lower surface of concave template 222 is fixedly connected with vibrating motor 225, vibrating motor 225 is plugged in slotted eye 2212, the both sides of vibrating motor 225 are provided with oil cylinder 226, oil cylinder 226 is fixed on infrabasal plate 224, the piston rod of oil cylinder 226 is fixed on concave template 222 through slotted eye 2212,
Described patrix 21 comprises pressing plate 211, and pressing plate 211 is positioned at directly over concave template 222, and pressing plate 211 is fixed on pillar 212, and the upper end of pillar 212 is fixed on upper substrate 213.
The outer contour shape of described pressing plate 211 is identical with the outer contour shape of carbon fiber flow-field plate, on the downside of pressing plate 211 die shoe 221 die groove 2211 side on form the guiding 2213 of circular arc.
The thickness of described concave template 222 is less than the degree of depth of die shoe 221 fovea superior die cavity 2211, and the degree of depth of die groove 2211 is less than the stroke of oil cylinder 226.
Described infrabasal plate 224 forms the installing hole 2241 of several waist-shaped hole shapes.
Described groove 2221 is evenly distributed on concave template 222.
Operation principle: the present invention is a kind of manufacture method of new hydrogen fuel cell carbon fiber flow-field plate, original flow-field plate adopts the conduit 11 carried out on the plate of graphite material in carve graphite flow field plates 1 and graphite flow field plates 1, it carves length consuming time, cost is high, production efficiency is lower, and this manufacture method adopts carbon fiber to enter specifically, and mould 2 is compressing, thus realize one-step shaping, improve production efficiency, and before compressing carbon fiber flow-field plate, control the thickness of carbon fiber flow-field plate by weighing;
In pressing process, first Vibration on Start-up parts (i.e. vibrating motor 225), vibrating motor 225 drives concave template 222 to vibrate, in the groove 2221 that carbon fiber is evenly fallen on concave template 222, and struck off by flat board, then the pressing plate 211 on patrix 21 moves down and falls in the die groove 2211 of die socket 221, extruded carbon fiber is shaping carbon fiber flow-field plate together with concave template 222, during feeding, patrix 21 resets, concave template 222 is ejected die socket 221 by oil cylinder 226, conveniently gets carbon fiber flow-field plate.
Claims (6)
1. a manufacture method for hydrogen fuel cell carbon fiber flow-field plate, the method following steps:
Prepare the carbon fibre material of the battery carbon fiber flow-field plate manufactured, and carry out cleaning impurity purification processes;
The carbon fiber of cleaning being purified, according to the weight quantitative weighing of carbon fiber flow-field plate, is separated and is loaded in each charge box;
Carbon fiber in each charge box is filled in the die of mould respectively, starts the vibrating mass on mould, adopt flat board struck off by the carbon fiber in mould and close vibrating mass;
Start hydraulic pressure press, by mould matched moulds, carbon fiber is pressed into carbon fiber flow-field plate, and pressurize 4 ~ 5min;
Mould is opened, and takes off shaping carbon fiber flow-field plate from mould, and puts into packaging groove box and carry out packing and process.
2. the mould of a hydrogen fuel cell carbon fiber flow-field plate, comprise patrix (21) and counterdie (22), it is characterized in that: counterdie (22) comprises die shoe (221), the both sides of die shoe (221) bottom surface are fixedly connected with support column (223), the lower end of support column (223) is fixed on infrabasal plate (224), the upper surface of die shoe (221) forms the die groove (2211) of several carbon fiber flow-field plate outer contour shapes, the bottom surface of die groove (2211) forms the slotted eye (2212) running through die shoe (221) bottom surface, die groove (2211) the interior grafting of die shoe (221) is fixed with concave template (222), the lower surface of concave template (222) is resisted against on the bottom surface of die groove (2211), the upper surface of concave template (222) forms some roads groove (2221), the lower surface of concave template (222) is fixedly connected with vibrating motor (225), vibrating motor (225) is plugged in slotted eye (2212), the both sides of vibrating motor (225) are provided with oil cylinder (226), oil cylinder (226) is fixed on infrabasal plate (224), the piston rod of oil cylinder (226) is fixed on concave template (222) through slotted eye (2212),
Described patrix (21) comprises pressing plate (211), pressing plate (211) is positioned at directly over concave template (222), pressing plate (211) is fixed on pillar (212), and the upper end of pillar (212) is fixed on upper substrate (213).
3. the mould of a kind of hydrogen fuel cell carbon fiber flow-field plate according to claim 2, it is characterized in that: the outer contour shape of described pressing plate (211) is identical with the outer contour shape of carbon fiber flow-field plate, the side of pressing plate (211) downside die shoe (221) die groove (2211) forms the guiding (2213) of circular arc.
4. the mould of a kind of hydrogen fuel cell carbon fiber flow-field plate according to claim 2, it is characterized in that: the thickness of described concave template (222) is less than the degree of depth of die shoe (221) fovea superior die cavity (2211), the degree of depth of die groove (2211) is less than the stroke of oil cylinder (226).
5. the mould of a kind of hydrogen fuel cell carbon fiber flow-field plate according to claim 2, is characterized in that: the installing hole (2241) described infrabasal plate (224) forming several waist-shaped hole shapes.
6. the mould of a kind of hydrogen fuel cell carbon fiber flow-field plate according to claim 2, is characterized in that: described groove (2221) is evenly distributed on concave template (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691215.7A CN105172009A (en) | 2015-10-22 | 2015-10-22 | Making method and forming die for hydrogen cell carbon fiber flow field board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510691215.7A CN105172009A (en) | 2015-10-22 | 2015-10-22 | Making method and forming die for hydrogen cell carbon fiber flow field board |
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| CN105172009A true CN105172009A (en) | 2015-12-23 |
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| CN201510691215.7A Pending CN105172009A (en) | 2015-10-22 | 2015-10-22 | Making method and forming die for hydrogen cell carbon fiber flow field board |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2446704A1 (en) * | 1974-09-30 | 1976-04-08 | Vaw Ver Aluminium Werke Ag | Granular material continuously compacted by vibration - while travelling horizontally producing continuous band of compacted prod. |
| JPS63247013A (en) * | 1987-04-02 | 1988-10-13 | Agency Of Ind Science & Technol | Manufacture of short fiber reinforced composite material |
| US5021205A (en) * | 1989-11-01 | 1991-06-04 | Yoshio Niioka | Concrete manufacturing process |
| JPH08852A (en) * | 1994-06-22 | 1996-01-09 | Bridgestone Corp | Interior material for automobile |
| CN1964827A (en) * | 2004-06-11 | 2007-05-16 | Gpac科技私人有限公司 | Method for forming high strength mould |
-
2015
- 2015-10-22 CN CN201510691215.7A patent/CN105172009A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2446704A1 (en) * | 1974-09-30 | 1976-04-08 | Vaw Ver Aluminium Werke Ag | Granular material continuously compacted by vibration - while travelling horizontally producing continuous band of compacted prod. |
| JPS63247013A (en) * | 1987-04-02 | 1988-10-13 | Agency Of Ind Science & Technol | Manufacture of short fiber reinforced composite material |
| US5021205A (en) * | 1989-11-01 | 1991-06-04 | Yoshio Niioka | Concrete manufacturing process |
| JPH08852A (en) * | 1994-06-22 | 1996-01-09 | Bridgestone Corp | Interior material for automobile |
| CN1964827A (en) * | 2004-06-11 | 2007-05-16 | Gpac科技私人有限公司 | Method for forming high strength mould |
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Application publication date: 20151223 |
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