CN108963272B - Rapid additive forming manufacturing device for direct methanol fuel cell metal polar plate - Google Patents
Rapid additive forming manufacturing device for direct methanol fuel cell metal polar plate Download PDFInfo
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- CN108963272B CN108963272B CN201810622641.9A CN201810622641A CN108963272B CN 108963272 B CN108963272 B CN 108963272B CN 201810622641 A CN201810622641 A CN 201810622641A CN 108963272 B CN108963272 B CN 108963272B
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- printing device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8875—Methods for shaping the electrode into free-standing bodies, like sheets, films or grids, e.g. moulding, hot-pressing, casting without support, extrusion without support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a quick vibration material disk of direct methyl alcohol fuel cell metal polar plate takes shape manufacturing installation, including airtight studio, metal 3D printing device, plastics 3D printing device, metal 3D printing device and plastics 3D printing device are fixed mounting respectively on the wall of airtight studio left and right sides, bottom fixed mounting vertical axis in the airtight studio, vertical axis top bearing installation carousel, first through-hole is seted up to the left and right sides symmetry of carousel top surface, all install vertical back shaft in the first through-hole, back shaft upper end upper portion all is equipped with square frame, all through support fixed connection between square frame and the back shaft that corresponds. The invention can realize the layered alternate rapid additive forming manufacturing of the multilayer metal polar plate, has simple structure and convenient use, and can effectively improve the manufacturing efficiency of the metal polar plate.
Description
Technical Field
The invention belongs to the technical field of additive manufacturing devices, and particularly relates to a rapid additive forming manufacturing device for a direct methanol fuel cell metal polar plate.
Background
Direct methanol fuel cells belong to one class of proton exchange membrane fuel cells, and directly use methanol aqueous solution or steam methanol as a fuel supply source without hydrogen production through reforming of methanol, gasoline and natural gas for power generation. Compared with proton exchange membrane fuel cells, direct methanol fuel cells have the characteristics of low-temperature quick start, clean and environment-friendly fuel, simple cell structure and the like. This makes the direct methanol fuel cell probably become the mainstream of the future portable electronic product application, however, at present, most of the metal electrode plates in the direct methanol fuel cell are manufactured by a material reduction method, which is difficult to avoid the waste of materials, for example, the patent numbers are: the multi-layer electrode plate disclosed in CN100413128C, which is composed of multiple layers of copper layers, dry film photoresist and the like, the dry film photoresist is made of PET plastic, and if the electrode plate is manufactured by using an additive manufacturing method, layered printing is necessary, the melting point of metal copper is higher than the melting temperature of plastic, so that temperature control is required, and it is difficult for a conventional 3D printing device to perform additive manufacturing of different types of materials in layers.
Disclosure of Invention
The invention provides a rapid additive forming manufacturing device for a direct methanol fuel cell metal polar plate, which is used for solving the defects in the prior art.
The invention is realized by the following technical scheme:
a rapid material increase forming manufacturing device for a direct methanol fuel cell metal polar plate comprises a closed working chamber, a metal 3D printing device and a plastic 3D printing device, wherein the metal 3D printing device and the plastic 3D printing device are respectively and fixedly arranged on the left side wall and the right side wall in the closed working chamber, a vertical shaft is fixedly arranged at the bottom in the closed working chamber, a turntable is arranged at the top end of the vertical shaft through a bearing, first through holes are symmetrically formed in the left side and the right side of the top surface of the turntable, vertical support shafts are respectively arranged in the first through holes, square frames are respectively arranged at the upper parts of the upper ends of the support shafts, the square frames are respectively and fixedly connected with the corresponding support shafts through a support, vertical electric telescopic rods are respectively arranged at the middle parts in the square frames, transverse rails are respectively and fixedly arranged on the four inner side surfaces of the square frames, sliders with power are respectively arranged on, the equal fixed mounting work platform board in upper end of electric telescopic handle's movable rod, work platform board upper portion fixed mounting metal polar plate, two second through-holes are seted up at airtight studio top, one of them second through-hole outer end fixed mounting vacuum pump, the one end of the outer end fixed connection inert gas input tube of another second through-hole, the carousel is driven by drive arrangement, metal polar plate includes the base plate, cover in the first copper layer of base plate upper surface and lower surface, cover the photoresistance dry film of the first copper layer upper surface of upside and the first copper layer lower surface of downside, cover the combination piece of the photoresistance dry film upper surface of upside and the photoresistance dry film lower surface of downside, cover the second copper layer of the combination piece upper surface of upside and the combination piece lower surface of downside.
The device for manufacturing the direct methanol fuel cell metal polar plate through rapid additive forming comprises a stepping motor, a first ring gear and a first gear, wherein the stepping motor is fixedly arranged on one side of the upper end of a vertical shaft, the first ring gear is fixedly arranged at the bottom of a turntable, the first ring gear is coaxial with the vertical shaft, the first gear is fixedly arranged on an output shaft of the stepping motor, and the first gear is meshed with the first ring gear.
According to the rapid material increase forming manufacturing device for the direct methanol fuel cell metal polar plate, the vertical shaft is fixedly provided with the large gear, the lower end of the supporting shaft is fixedly provided with the small gear, the small gear is meshed and matched with the large gear, and the supporting shaft is movably connected with the corresponding first through hole bearing.
According to the rapid material increase forming manufacturing device for the metal polar plate of the direct methanol fuel cell, the third through holes are formed in the inner sides, close to the center of the rotary plate, of the top surface of the rotary plate, the fan blade shafts are movably installed in the third through holes through bearings, the second gear is fixedly installed at the lower ends of the fan blade shafts, the second ring gear is fixedly installed on the upper portion of the large gear and is coaxial with the large gear, the teeth of the second ring gear face outwards, the second gear is meshed and matched with the second ring gear, and a plurality of fan blades are fixedly installed on the periphery of the upper end of each fan blade shaft.
According to the device for manufacturing the direct methanol fuel cell metal polar plate by the rapid additive forming, the supporting shaft is fixedly provided with the limiting ring, and the limiting ring is positioned at the upper end of the corresponding first through hole.
The invention has the advantages that: the invention can realize the layered alternate rapid additive forming manufacturing of the multilayer metal polar plate, has simple structure and convenient use, and can effectively improve the manufacturing efficiency of the metal polar plate. The metal 3D printing device and the plastic 3D printing device in the invention are authorized prior art, and are not described herein any more, when the invention works, firstly, the sealed working chamber is vacuumized by the vacuum pump, then the sealed working chamber is filled with inert gas to normal pressure state through the inert gas input pipe, firstly, the working platform plate provided with the metal polar plate substrate is moved to the lower side of the metal 3D printing device, the additive manufacturing of the first copper layer on the upper side is carried out, the working platform plate can be moved to the lower side of the plastic 3D printing device through the rotation of the turntable after the manufacturing of the first copper layer on the upper side is finished, the gas flow rate on the surface of the first copper layer which is just processed in the moving process of the working platform plate is accelerated, the cooling of the first copper layer can be improved, and when the temperature is reduced to the melting temperature of the optical precursor dry film, the additive manufacturing of the optical resistance dry film, then combine the vibration material disk of piece to make, then remove this work platform board and carry out the vibration material disk of second copper layer to metal 3D printing device department and make, mode through alternative processing can the effectual temperature of control processing, the efficiency of processing is improved, cooperation work through four sliders and electric telescopic handle in the square frame can carry out X, Y, Z three direction's accurate mobility control to the work platform board, four sliders and electric telescopic handle's work all has the procedure of compiling in advance to control, cooperation fixed mounting's 3D printing device can carry out the vibration material disk's of different shapes vibration material disk shaping manufacturing, high in manufacturing efficiency and avoided the waste of traditional material that subtracts to make the material that causes, the energy saving, avoid extravagant.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of the view from the direction A of FIG. 1; fig. 3 is a schematic structural view of a metal plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A rapid material increase forming manufacturing device for a direct methanol fuel cell metal polar plate comprises a closed working chamber 1, a metal 3D printing device 2, a plastic 3D printing device 3, wherein the metal 3D printing device 2 and the plastic 3D printing device 3 are respectively and fixedly arranged on the left side wall and the right side wall in the closed working chamber 1, a vertical shaft 4 is fixedly arranged at the bottom in the closed working chamber 1, a turntable 5 is arranged at the top end of the vertical shaft 4 through a bearing, first through holes 6 are symmetrically arranged on the left side and the right side of the top surface of the turntable 5, vertical support shafts 7 are respectively arranged in the first through holes 6, square frames 8 are respectively arranged at the upper parts of the upper ends of the support shafts 7, the square frames 8 are respectively and fixedly connected with the corresponding support shafts 7 through brackets 9, vertical electric telescopic rods 10 are respectively arranged at the middle parts in the square frames 8, transverse rails 11 are respectively and fixedly arranged on the four inner side surfaces of the, the sliding blocks 12 are fixedly connected with the corresponding side parts of the fixed rods of the electric telescopic rods 10 through telescopic rods 13, the upper ends of the movable rods of the electric telescopic rods 10 are fixedly provided with working platform plates 14, the upper parts of the working platform plates 14 are fixedly provided with metal polar plates 15, the top of the closed working chamber 1 is provided with two second through holes 16, the outer end of one of the second through holes 16 is fixedly provided with a vacuum pump 17, the outer end of the other second through hole 16 is fixedly connected with one end of an inert gas input pipe 18, the turntable 5 is driven by a driving device 19, the metal polar plate 15 comprises a substrate 151, a first copper layer 152 coated on the upper surface and the lower surface of the substrate 151, a photoresist dry film 153 coated on the upper surface of the first copper layer 152 on the upper side and the lower surface of the first copper layer 152 on the lower side, a bonding sheet 154 coated on the upper surface of the photoresist dry film 153 on the upper side and the lower surface of the photoresist dry film 153 on the lower side, and a second copper layer 155 coated on the upper surface of the bonding sheet 154 on the upper. The invention can realize the layered alternate rapid additive forming manufacturing of the multilayer metal polar plate 15, has simple structure and convenient use, and can effectively improve the manufacturing efficiency of the metal polar plate 15. In the invention, when the metal 3D printing device 2, part of the parts are not shown, the plastic 3D printing device 3 and part of the parts are not shown, and are authorized prior art, and are not described herein again, the invention firstly vacuums the closed working chamber 1 through the vacuum pump 17, then fills the inert gas into the closed working chamber 1 through the inert gas input pipe 18 to the normal pressure state, firstly moves the working platform plate 14 provided with the metal polar plate 15 substrate 151 to the lower side of the metal 3D printing device 2, performs material increase manufacturing of the first copper layer 152 on the upper side, after the manufacturing of the first copper layer 152 on the upper side is completed, the working platform plate 14 can be moved to the lower side of the plastic 3D printing device 3 through the rotation of the turntable 5, the gas flow rate on the surface of the first copper layer 152 which is just processed is accelerated in the moving process of the working platform plate 14, and the temperature reduction of the first copper layer 152 can be improved, when the temperature is reduced to the melting temperature of the photoprogenitor dry film 153 and the PET plastic, the additive manufacturing of the photoresist dry film 153 is carried out through the plastic 3D printing device 3, then the bonding sheet 154 is carried out, the bonding sheet is made of resin film, the additive manufacturing is carried out, then the working platform plate 14 is moved to the metal 3D printing device 2 to carry out the additive manufacturing of the second copper layer 155, the processing temperature can be effectively controlled through the alternate processing mode, the processing efficiency is improved, the accurate movement control in three directions of X, Y, Z can be carried out on the working platform plate 14 through the matching work of the four sliding blocks 12 in the square frame 8 and the electric telescopic rod 10, the work of the four sliding blocks 12 and the electric telescopic rod 10 is controlled by the pre-programmed program, and the additive molding manufacturing of the metal pole plates 15 with different shapes can be carried out through the matching with the fixedly installed 3D printing device, the manufacturing efficiency is high, the material waste caused by the traditional material reducing manufacturing is avoided, the energy is saved, and the waste is avoided.
Specifically, as shown in the figure, the driving device 19 according to the present embodiment includes a stepping motor 191, a first ring gear 192, and a first gear 193, the stepping motor 191 is fixedly installed at one side of the upper end of the vertical shaft 4, the first ring gear 192 is fixedly installed at the bottom of the turntable 5, the first ring gear 192 is coaxial with the vertical shaft 4, the first gear 193 is fixedly installed on the output shaft of the stepping motor 191, and the first gear 193 is engaged with the first ring gear 192. The operation of the rotary disc 5 can be accurately controlled through the design, and the rotary disc type rotary disc device is simple in structure and convenient to install.
Specifically, as shown in the figure, a large gear 20 is fixedly installed on the vertical shaft 4, a small gear 21 is fixedly installed at the lower end of the supporting shaft 7, the small gears 21 are all engaged with the large gear 20, and the supporting shaft 7 is movably connected with the corresponding first through hole 6 through a bearing. When the rotary table 5 rotates, the corresponding supporting shaft 7 can be driven to rotate under the meshing matching of the small gear 21 and the large gear 20, so that the corresponding working platform plate 14 is driven to rotate, the metal pole plate 15 revolves along with the vertical shaft 4 and conducts autobiography, the flowing speed of gas on the surface of the metal pole plate 15 can be effectively improved, and the metal pole plate 15 can be quickly cooled.
Further, as shown in the figure, in the embodiment, third through holes are formed in the inner side of the top surface of the turntable 5, which is located at the center of the turntable, of the first through hole 6, fan shafts 23 are movably installed in the third through holes through bearings, second gears 24 are fixedly installed at the lower ends of the fan shafts 23, second ring gears 25 are fixedly installed at the upper portions of the large gears 20, the second ring gears 25 are coaxial with the large gears 20, the teeth of the second ring gears 25 face outward, the second gears 24 are all meshed with the second ring gears 25, and a plurality of fan blades 26 are fixedly installed on the peripheries of the upper ends of the fan shafts 23. When the rotating disc 5 rotates, the second gear 24 and the second ring gear 25 are meshed and matched to drive the fan shaft 23 to rotate, the fan shaft 23 drives the fan 26 to rotate to blow air to the working platform plate 14, the flow speed of the gas on the surface of the metal polar plate 15 is increased, and the cooling process of the metal polar plate is accelerated.
Further, as shown in the drawings, the supporting shaft 7 of the present embodiment is fixedly installed with a limiting ring 27, and the limiting ring 27 is located at the upper end of the corresponding first through hole 6. The bearing capacity of the supporting shaft 7 can be improved through the limiting ring 27, and the influence of the vertical movement on the processing precision of the invention is avoided.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A rapid additive forming manufacturing device for a direct methanol fuel cell metal polar plate is characterized in that: comprises a closed working chamber (1), a metal 3D printing device (2), a plastic 3D printing device (3), the metal 3D printing device (2) is fixedly arranged on the left side wall in the closed working chamber (1), the plastic 3D printing device (3) is fixedly arranged on the right side wall in the closed working chamber (1), a vertical shaft (4) is fixedly arranged at the bottom in the closed working chamber (1), a turntable (5) is arranged on the top end of the vertical shaft (4) through a bearing, first through holes (6) are symmetrically formed in the left side and the right side of the top surface of the turntable (5), vertical support shafts (7) are arranged in the first through holes (6), square frames (8) are arranged on the upper ends of the support shafts (7), the square frames (8) are fixedly connected with the corresponding support shafts (7) through supports (9), vertical electric telescopic rods (10) are arranged in the middles in the square frames (8), and transverse rails (11) are fixedly arranged on four inner side surfaces of the square frames (8, all install slider (12) from taking power on cross rail (11), all through telescopic link (13) fixed connection between slider (12) and the dead lever lateral part of electric telescopic handle (10) that corresponds, equal fixed mounting work platform board (14) in the upper end of the movable rod of electric telescopic handle (10), work platform board (14) upper portion fixed mounting metal polar plate (15), two second through-holes (16) are seted up at airtight studio (1) top, one of them second through-hole (16) outer end fixed mounting vacuum pump (17), the outer end fixed connection inert gas input tube's of another second through-hole (16) one end (18), carousel (5) are driven by drive arrangement (19), metal polar plate (15) include base plate (151), cover in first copper layer (152) upper surface and lower surface of base plate (151), cover in photoresistance (153) of first copper layer (152) upper surface of upside and the first copper layer (152) lower surface of downside, A bonding sheet (154) coated on the upper surface of the upper side dry film (153) and the lower surface of the lower side dry film (153), and a second copper layer (155) coated on the upper surface of the upper side bonding sheet (154) and the lower surface of the lower side bonding sheet (154).
2. The rapid additive forming manufacturing device for the metal plate of the direct methanol fuel cell as claimed in claim 1, wherein: drive arrangement (19) include step motor (191), first ring gear (192), first gear (193), step motor (191) fixed mounting is in vertical axis (4) upper end one side, first ring gear (192) fixed mounting is in carousel (5) bottom, first ring gear (192) are coaxial with vertical axis (4), first gear (193) fixed mounting is on step motor (191)'s output shaft, first gear (193) and first ring gear (192) meshing cooperation.
3. The rapid additive forming manufacturing device for the metal plate of the direct methanol fuel cell as claimed in claim 1, wherein: the vertical shaft (4) is fixedly provided with a large gear (20), the lower end of the supporting shaft (7) is fixedly provided with a small gear (21), the small gear (21) is meshed with the large gear (20) in a matched mode, and the supporting shaft (7) is movably connected with a corresponding first through hole (6) through a bearing.
4. The apparatus of claim 3, wherein the apparatus comprises: carousel (5) top surface be located first through-hole (6) and all set up the third through-hole near the inboard department at carousel center, all install fan blade axle (23) through the bearing activity in the third through-hole, lower extreme fixed mounting second gear (24) of fan blade axle (23), gear wheel (20) upper portion fixed mounting second ring gear (25), second ring gear (25) are coaxial with gear wheel (20), the tooth of second ring gear (25) is outwards, second gear (24) all cooperate with second ring gear (25) meshing, the upper end periphery fixed mounting several fan blade (26) of fan blade axle (23).
5. The rapid additive forming manufacturing device for the metal plate of the direct methanol fuel cell as claimed in claim 1, wherein: the supporting shaft (7) is fixedly provided with a limiting ring (27), and the limiting ring (27) is positioned at the upper end of the corresponding first through hole (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810622641.9A CN108963272B (en) | 2018-06-15 | 2018-06-15 | Rapid additive forming manufacturing device for direct methanol fuel cell metal polar plate |
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| CN201810622641.9A CN108963272B (en) | 2018-06-15 | 2018-06-15 | Rapid additive forming manufacturing device for direct methanol fuel cell metal polar plate |
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| CN108963272A CN108963272A (en) | 2018-12-07 |
| CN108963272B true CN108963272B (en) | 2021-04-06 |
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|---|---|
| CN108963272A (en) | 2018-12-07 |
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