CN213483780U - Continuous rolling forming device for manufacturing graphite bipolar plate - Google Patents
Continuous rolling forming device for manufacturing graphite bipolar plate Download PDFInfo
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- CN213483780U CN213483780U CN202022050895.3U CN202022050895U CN213483780U CN 213483780 U CN213483780 U CN 213483780U CN 202022050895 U CN202022050895 U CN 202022050895U CN 213483780 U CN213483780 U CN 213483780U
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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
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Abstract
The utility model relates to the technical field of fuel cell equipment, and discloses a continuous rolling forming device for manufacturing a graphite bipolar plate, which comprises a first conveying belt, a second conveying belt and a bonding mechanism, wherein the first conveying belt is sequentially provided with a first mixing mechanism for uniformly mixing raw materials and conveying the raw materials to the first conveying belt, a first rolling mechanism for pressing the raw materials on the first conveying belt into a first graphite unipolar plate and a first tunnel type heating furnace for curing the first graphite unipolar plate along the conveying direction of the first conveying belt; the second conveying belt is sequentially provided with a second material mixing mechanism for uniformly mixing the raw materials and conveying the raw materials to the second conveying belt, a second rolling mechanism for pressing the raw materials on the second conveying belt into a second graphite unipolar plate and a second tunnel type heating furnace for curing the second graphite unipolar plate along the conveying direction of the second conveying belt; the first graphite unipolar plate and the second graphite unipolar plate are identical in structure and size. The utility model has the advantages of high finished product quality and high production efficiency.
Description
Technical Field
The utility model relates to a fuel cell equipment technical field especially relates to a continuous roll-in forming device for making graphite bipolar plate.
Background
A proton exchange membrane fuel cell, a novel fuel cell using the principle of electrolytic water reverse reaction, use renewable energy hydrogen as reducing agent, use oxygen in the air as oxidant, turn chemical energy into the generating set of the electric energy, it is different from ordinary battery to seal up chemical reactant in the battery inside, ordinary battery treats that reactant is exhausted and can't continue the output electric energy, and fuel cell only needs to provide fuel gas and oxidant continuously and can continue the output electric energy, so utilize the locomotive of fuel cell as power, have fill-in time short and have apparent advantages such as the mileage is high, and the generating stack of fuel cell has advantages such as small, energy density is high, zero release and air-purifying, the hydrogen-rich water that the fuel cell reaction produces has the oxidation resistance, do benefit to effects such as organism recovery.
The fuel cell stack is formed by stacking a plurality of single cells in series, the bipolar plates and the membrane electrode are alternately stacked and sealed, and the bipolar plates and the membrane electrode are compressed and fixed by the front end plate, the rear end plate and the compensating device to form the proton exchange membrane fuel cell stack. The core of the electric pile is a bipolar plate and an MEA, and the bipolar plate is made of graphite materials. Compared with metal bipolar plates, the graphite bipolar plate has the characteristics of higher conductivity, corrosion resistance, light weight, long service life, good compatibility with electrodes and the like.
In the existing molding process of the graphite bipolar plate, a flow field is formed by mechanically carving the surface of hard graphite, but the method has low efficiency, high machining difficulty and high cost, and the molded polar plate is thicker, is brittle and is not easy to assemble; secondly, a flow field is formed by mould pressing of a forming mould, the method can be formed in one step, the efficiency is higher than that of a mechanical carving method, but because the flexible graphite plate is soft and forms a micro-vacuum state after mould pressing, the forming polar plate is adsorbed on the surface of the mould, the waste edges must be manually removed and the forming polar plate is taken out of the mould, the taken forming polar plate needs to be manually removed from a public channel, a reducing agent and an oxidant inlet distribution inlet waste material again, the damage and the waste material omission of a polar plate sealing area are easily caused, the later stage cannot pass the test and the lower process is influenced, the polar plate is easily polluted by organic matters, the surface hydrophilicity and hydrophobicity are influenced, the quality stability depends on operators, and the quality of the polar plate.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provides a continuous rolling forming device for manufacturing the graphite bipolar plate, which has high finished product quality and high production efficiency.
In order to solve the technical problem, an aspect of the present invention provides a continuous rolling forming device for manufacturing a graphite bipolar plate, including a first conveying belt and a second conveying belt, wherein the first conveying belt is sequentially provided with a first mixing mechanism for uniformly mixing and conveying raw materials to the first conveying belt, a first rolling mechanism for pressing the raw materials on the first conveying belt into a first graphite unipolar plate, and a first tunnel type heating furnace for curing the first graphite unipolar plate along a conveying direction of the first conveying belt; the second conveying belt is sequentially provided with a second material mixing mechanism for uniformly mixing the raw materials and conveying the raw materials to the second conveying belt, a second rolling mechanism for pressing the raw materials on the second conveying belt into a second graphite unipolar plate and a second tunnel type heating furnace for curing the second graphite unipolar plate along the conveying direction of the second conveying belt; the first graphite unipolar plate and the second graphite unipolar plate are identical in structure and size, and the continuous rolling forming device further comprises a bonding mechanism for bonding the first graphite unipolar plate and the second graphite unipolar plate to form the graphite bipolar plate.
As a preferred scheme of the present invention, the first material mixing mechanism includes a hopper, a material mixing screw, a material mixing pipe and a motor, wherein a discharge port of the hopper is communicated with a material inlet of the material mixing pipe, the material mixing screw is disposed in the material mixing pipe, a fixed end of the motor is connected to the hopper, an output end of the motor is connected to the material mixing screw, and a discharge valve is disposed at the discharge port of the material mixing pipe;
the first material mixing mechanism and the second material mixing mechanism are identical in structure, the first material mixing mechanism is located above the first conveying belt, and the second material mixing mechanism is located above the second conveying belt.
As a preferred scheme of the present invention, the first rolling mechanism includes a first upper pressing roller and a first lower pressing roller which rotate relatively, and both the first upper pressing roller and the first lower pressing roller are tangent to the first conveyor belt; the second rolling mechanism comprises a second upper pressing roller and a second lower pressing roller which rotate relatively, and the second upper pressing roller and the second lower pressing roller are tangent to the second conveying belt.
As the utility model discloses preferred scheme, first last pressure running roller includes that pressure roller axle and a plurality of equipartition are in the mould of pressure roller axle circumference, the structure homogeneous phase of pressure running roller and second is pushed down on first last pressure running roller, first pressure running roller, the second.
As the utility model discloses preferred scheme, bonding mechanism including be used for first graphite unipolar board or gummed viscose machine on the second graphite unipolar board with be used for with first graphite unipolar board with second graphite unipolar board takes extremely bond the manipulator on the platform and make both bond, the viscose machine is equipped with one at least.
As the utility model discloses preferred scheme, bonding mechanism is including bonding platform, be used for first graphite unipolar board or gummed viscose machine is with being used for with on the second graphite unipolar board first graphite unipolar board with second graphite unipolar board takes extremely bond the manipulator that makes both bond on the platform, the viscose machine is equipped with one at least.
As the utility model discloses preferred scheme, the manipulator is located the end of first conveyer belt with the end of second conveyer belt, the viscose machine is equipped with one, the viscose machine passes through the rotating electrical machines setting and is in on the bonding platform.
As the utility model discloses preferred scheme, the manipulator includes revolving cylinder, lift cylinder, arm, vacuum chuck, frame, vacuum pump and controller, revolving cylinder's stiff end sets firmly in the frame, revolving cylinder's output pass through the carousel with lift cylinder's stiff end is connected, lift cylinder's output with the one end of arm is connected, and the drive the arm reciprocates, the other end of arm with vacuum chuck connects, vacuum chuck with vacuum pump connection, the vacuum pump sets up on the carousel, the end of first conveyer belt and the end of second conveyer belt all are equipped with photoelectric sensor, the controller respectively with revolving cylinder, lift cylinder, vacuum pump and photoelectric sensor electricity are connected.
As the utility model discloses preferred scheme, the bonding platform includes fixing base and spacing groove, the spacing groove with first graphite unipolar board with second graphite unipolar board shape matches.
As the utility model discloses preferred scheme, bonding mechanism still makes including being used for exerting pressure first graphite unipolar board with the inseparable press of second graphite unipolar board bonding, the press setting is in on the bonding platform.
As the utility model discloses preferred scheme, the viscose machine is point gum machine or silk screen printing machine.
The embodiment of the utility model provides a continuous roll-in forming device for making graphite bipolar plate compares with prior art, and its beneficial effect lies in:
when the graphite bipolar plate is used, the raw materials are put into the first mixing mechanism to be mixed, the mixed raw materials are conveyed to a first conveying belt and are pressed into a first graphite unipolar plate through a first rolling mechanism, the first graphite unipolar plate is solidified through a first tunnel type heating furnace to obtain a first graphite unipolar plate, a second graphite unipolar plate is similarly manufactured, and then the first graphite unipolar plate and the second graphite unipolar plate are bonded through a bonding mechanism to form the graphite bipolar plate; therefore, the characteristics of the surface flow field, the common channel and the like of the graphite single-pole plate are formed at one time through the rolling mechanism, and then the graphite single-pole plate is cured and formed through the tunnel type heating furnace, so that the continuous uninterrupted automatic production of the graphite double-pole plate is realized, the production efficiency is high, workers are prevented from contacting the uncured pole plate, the pole plate is not polluted, and the quality of the pole plate is high; moreover, the hardness and toughness of the graphite plate can be changed by adjusting the proportion of the raw material components, and the operation is convenient.
Drawings
Fig. 1 is a schematic structural diagram of a continuous rolling forming device for manufacturing a graphite bipolar plate according to an embodiment of the present invention;
in the figure, 1, a first conveyor belt; 2. a second conveyor belt; 3. a first mixing mechanism; 31. a hopper; 32. a material mixing screw rod; 33. a mixing pipe; 34. a discharge valve; 4. a first rolling mechanism; 41. A first upper pressure roller; 42. a first lower pressure roller; 5. a first tunnel furnace; 6. a second mixing mechanism; 7. a second rolling mechanism; 71. a second upper pressure roller; 72. a second press-down roller; 8. a second tunnel furnace; 9. a mold; 10. gluing machine; 11. a manipulator; 12. And (4) bonding the platform.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the present invention provides a preferred embodiment of a continuous rolling forming device for manufacturing a graphite bipolar plate, which comprises a first conveying belt 1 and a second conveying belt, wherein the first conveying belt 1 is sequentially provided with a first mixing mechanism 3 for uniformly mixing and conveying raw materials to the first conveying belt 1, a first rolling mechanism 4 for pressing the raw materials on the first conveying belt 1 into a first graphite unipolar plate, and a first tunnel type heating furnace 5 for curing the first graphite unipolar plate along the conveying direction; the second conveying belt 2 is sequentially provided with a second mixing mechanism 6 for uniformly mixing the raw materials and conveying the raw materials to the second conveying belt 2, a second rolling mechanism 7 for pressing the raw materials on the second conveying belt 2 into a second graphite unipolar plate, and a second tunnel type heating furnace 8 for curing the second graphite unipolar plate along the conveying direction of the second conveying belt 2; the first graphite unipolar plate and the second graphite unipolar plate are identical in structure and size, and the continuous rolling forming device further comprises a bonding mechanism for bonding the first graphite unipolar plate and the second graphite unipolar plate to form a graphite bipolar plate; wherein, the gluing machine 10 is a dispenser or a screen printing machine.
When the graphite bipolar plate is used, the raw materials are put into the first mixing mechanism 3 to be mixed, the mixed raw materials are conveyed to the first conveying belt 1 and are pressed into a first graphite unipolar plate through the first rolling mechanism 4, the first graphite unipolar plate is solidified through the first tunnel type heating furnace 5, so that the first graphite unipolar plate is obtained, the second graphite unipolar plate is similarly manufactured, and then the first graphite unipolar plate and the second graphite unipolar plate are bonded through the bonding mechanism, so that the graphite bipolar plate is formed; therefore, the characteristics of the surface flow field, the common channel and the like of the graphite single-pole plate are formed at one time through the rolling mechanism, and then the graphite single-pole plate is cured and formed through the tunnel type heating furnace, so that the continuous uninterrupted automatic production of the graphite double-pole plate is realized, the production efficiency is high, the safety is high, workers are prevented from contacting the uncured pole plate, the pole plate is prevented from being polluted, and the quality of the pole plate is ensured; moreover, the hardness and toughness of the graphite plate can be changed by adjusting the proportion of the raw material components, and the operation is convenient.
Illustratively, the first mixing mechanism 3 comprises a hopper 31, a mixing screw 32, a mixing pipe 33 and a motor, wherein a discharge port of the hopper 31 is communicated with a feed port of the mixing pipe 33, the mixing screw 32 is arranged in the mixing pipe 33, a fixed end of the motor is connected with the hopper 31, an output end of the motor is connected with the mixing screw 32, and a discharge valve 34 is arranged at a discharge port of the mixing pipe 33; specifically, the discharge valve 34 is a pneumatic valve; the hopper 31 comprises a hopper body and a hopper cover covered on the hopper body, the motor is fixedly arranged on the hopper cover, the mixing screw 32 is connected with the motor through a rotating rod, and a stirring blade for stirring raw materials is arranged on the rotating rod; therefore, the raw materials are stirred for the first time through the stirring blades and then are stirred for the second time through the mixing screw 32, so that the raw materials can be uniformly mixed, meanwhile, the mixing screw 32 can also convey the raw materials, and the production efficiency is high; in addition, the discharge valve 34 is arranged, so that the raw materials can be discharged at intervals, interference between the adjacent first graphite unipolar plates in the subsequent pressing process is avoided, and the yield is ensured.
Illustratively, the first rolling mechanism 4 includes a first upper pressure roller 41 and a first lower pressure roller 42 which rotate relatively, and both the first upper pressure roller 41 and the first lower pressure roller 42 are tangent to the first conveying belt 1; the second rolling mechanism 7 comprises a second upper pressing roller 71 and a second lower pressing roller 72 which rotate relatively, and both the second upper pressing roller 71 and the second lower pressing roller 72 are tangent to the second conveyor belt 2; the first upper pressure roller 41 comprises a pressure roller shaft and a plurality of pressure rollers which are uniformly distributed in the circumferential direction of the pressure roller shaft, and the first upper pressure roller 41, the first lower pressure roller 42, the second upper pressure roller 71 and the second lower pressure roller 72 have the same structure; from this, the pressure running roller rotates a week and can suppress and become a plurality of graphite unipolar boards, and production efficiency is high, realizes uninterrupted production, and if one of them mould 9 damages the time, can continue to carry out graphite unipolar board production through the switch interval time of adjusting bleeder valve 34 before new mould 9 is taken, need not to stop whole production line, and production efficiency is high.
Illustratively, the bonding mechanism comprises a bonding platform 12, a gluing machine 10 for gluing the first graphite unipolar plate or the second graphite unipolar plate, and a manipulator 11 for taking the first graphite unipolar plate and the second graphite unipolar plate onto the bonding platform 12 and bonding the two, wherein at least one gluing machine 10 is provided; it should be further noted that the number of the gluing machines 10 is one, the manipulator 11 is located at the end of the first conveyer belt 1 and the end of the second conveyer belt 2, the gluing machines 10 are arranged on the bonding platform 12 through rotating motors, the manipulator 11 transports the graphite unipolar plates to the bonding platform, the manipulator 11 comprises a rotating cylinder, a lifting cylinder, a mechanical arm, a vacuum chuck, a frame, a vacuum pump and a controller, the fixed end of the rotating cylinder is fixedly arranged on the frame, the output end of the rotating cylinder is connected with the fixed end of the lifting cylinder through a turntable, the output end of the lifting cylinder is connected with one end of the mechanical arm and drives the mechanical arm to move up and down, the other end of the mechanical arm is connected with the vacuum chuck, the vacuum chuck is connected with the vacuum pump, and the vacuum pump is arranged on the turntable, the tail end of the first conveying belt 1 and the tail end of the second conveying belt 2 are respectively provided with a photoelectric sensor for sensing whether the graphite unipolar plate is conveyed to the tail end of the first conveying belt, and the controller is respectively electrically connected with the rotary cylinder, the lifting cylinder, the vacuum pump and the photoelectric sensor; the bonding platform 12 comprises a fixed seat and a limiting groove, a heating plate for heating and curing the graphite bipolar plate is arranged in the limiting groove, and the limiting groove is matched with the first graphite unipolar plate and the second graphite unipolar plate in shape; in another embodiment, two gluing machines 10 are provided and are respectively located at the end of the first conveyor belt 1 and the end of the second conveyor belt 2, and the gluing opening of the gluing machine 10 is located above the conveyor belts; therefore, when a first graphite unipolar plate finished product is conveyed to the tail end of the first conveying belt 1 or a second graphite unipolar plate finished product is conveyed to the tail end of the second conveying belt 2, the photoelectric sensor detects the graphite unipolar plate and transmits a signal to the controller, the controller controls the rotary cylinder to work, the manipulator 11 is driven to rotate until the vacuum chuck is positioned above the graphite unipolar plate, then the vacuum chuck is controlled to suck the first graphite unipolar plate, the rotary cylinder is controlled to work, the mechanical arm is driven to rotate until the graphite unipolar plate is positioned above the limiting groove, the push rod of the lifting cylinder is controlled to contract until the first graphite unipolar plate is placed in the limiting groove, the vacuum chuck is controlled to loosen, then the controller controls the rotary motor to rotate to enable the adhesive machine 10 to perform point coating and watering on the upper surface of the first graphite unipolar plate, and after the coating is completed, the controller controls the rotary motor to rotate to enable the adhesive machine 10 to perform principle limiting groove, avoiding the interference between the mechanical arm and the gluing machine 10, then absorbing the second graphite unipolar plate through the mechanical arm and placing the second graphite unipolar plate in the limiting groove, and controlling the push rod of the lifting cylinder to contract by the controller so as to bond the second graphite unipolar plate with the first graphite unipolar plate, thereby forming the graphite bipolar plate; in addition, a second graphite unipolar plate can be placed in the limiting groove, and then the first graphite unipolar plate can be placed in the limiting groove; therefore, the graphite bipolar plate is formed by automatically bonding the graphite unipolar plates, and the graphite bipolar plate is high in safety and production efficiency.
It should be further noted that the bonding mechanism further includes a press machine for applying pressure to bond the first graphite unipolar plate and the second graphite unipolar plate tightly, and the press machine is disposed on the bonding platform 12; therefore, the first graphite unipolar plate and the second graphite unipolar plate are bonded through the press machine, the graphite bipolar plate is bonded more stably, and the finished product quality is high.
The utility model discloses based on above-mentioned continuous roll-in forming device for making graphite bipolar plate, still provide a continuous roll-in forming method for making graphite bipolar plate, include following step: step one, mixing raw materials, namely respectively putting flexible graphite powder, carbon fibers and resin powder into a first mixing mechanism 3 for mixing, and conveying the uniformly mixed raw materials to a first conveying belt 1; meanwhile, respectively putting the flexible graphite powder, the carbon fibers and the resin powder into a second mixing mechanism 6 for mixing, and conveying the uniformly mixed raw materials to a second conveying belt 2; pressing raw materials into a graphite unipolar plate, conveying the raw materials to a first rolling mechanism 4 by a first conveying belt 1, and pressing the raw materials into a first graphite unipolar plate by the first rolling mechanism 4; meanwhile, the raw materials are conveyed to a second rolling mechanism 7 by the second conveying belt 2, and the raw materials are pressed into a second graphite unipolar plate by the second rolling mechanism 7; step three, solidifying the graphite unipolar plate, wherein the first conveying belt 1 conveys the first graphite unipolar plate to a first tunnel type heating furnace 5, and the first tunnel type heating furnace 5 solidifies the first graphite unipolar plate; meanwhile, the first conveying belt 1 conveys the first graphite unipolar plate to the first tunnel-type heating furnace 5, and the first tunnel-type heating furnace 5 solidifies the first graphite unipolar plate; and step four, bonding the two graphite unipolar plates to form the graphite bipolar plate, coating glue on the first graphite unipolar plate or the second graphite unipolar plate by using the bonding mechanism, stacking the first graphite unipolar plate and the second graphite unipolar plate, and bonding the first graphite unipolar plate and the second graphite unipolar plate to form the graphite bipolar plate.
Illustratively, the first mixing mechanism 3 comprises a hopper 31, a mixing screw 32, a mixing pipe 33 and a motor, wherein a discharge port of the hopper 31 is communicated with a feed port of the mixing pipe 33, the mixing screw 32 is arranged in the mixing pipe 33, a fixed end of the motor is connected with the hopper 31, an output end of the motor is connected with the mixing screw 32, and a discharge valve 34 is arranged at a discharge port of the mixing pipe 33; specifically, the discharge valve 34 is a pneumatic valve; the hopper 31 comprises a hopper body and a hopper cover covered on the hopper body, the motor is fixedly arranged on the hopper cover, the mixing screw 32 is connected with the motor through a rotating rod, and a stirring blade for stirring raw materials is arranged on the rotating rod; therefore, the raw materials are stirred for the first time through the stirring blades and then are stirred for the second time through the mixing screw 32, so that the raw materials can be uniformly mixed, meanwhile, the mixing screw 32 can also convey the raw materials, and the production efficiency is high; in addition, the discharge valve 34 is arranged, so that the raw materials can be discharged at intervals, interference between the adjacent first graphite unipolar plates in the subsequent pressing process is avoided, and the yield is ensured.
Illustratively, the first rolling mechanism 4 includes a first upper pressure roller 41 and a first lower pressure roller 42 which rotate relatively, and both the first upper pressure roller 41 and the first lower pressure roller 42 are tangent to the first conveying belt 1; the second rolling mechanism 7 comprises a second upper pressing roller 71 and a second lower pressing roller 72 which rotate relatively, and both the second upper pressing roller 71 and the second lower pressing roller 72 are tangent to the second conveyor belt 2; the first upper pressure roller 41 comprises a pressure roller shaft and a plurality of dies 9 uniformly distributed in the circumferential direction of the pressure roller shaft, and the first upper pressure roller 41, the first lower pressure roller 42, the second upper pressure roller 71 and the second lower pressure roller 72 have the same structure; from this, the pressure running roller rotates a week and can suppress and become a plurality of graphite unipolar boards, and production efficiency is high, realizes uninterrupted production, and if one of them mould 9 damages the time, can continue to carry out graphite unipolar board production through the switch interval time of adjusting bleeder valve 34 before new mould 9 is taken, need not to stop whole production line, and production efficiency is high.
Illustratively, the bonding mechanism comprises an adhesive machine 10 for coating adhesive on the first graphite unipolar plate or the second graphite unipolar plate, and a manipulator 11 for taking the first graphite unipolar plate and the second graphite unipolar plate onto the bonding platform 12 and bonding the first graphite unipolar plate and the second graphite unipolar plate, wherein at least one adhesive machine 10 is provided; in this embodiment, the gluing machine 10 is provided with one, the manipulator 11 is located the terminal of the first conveyer belt 1 and the terminal of the second conveyer belt 2, the bonding mechanism further includes a bonding platform 12, the gluing machine 10 is arranged on the bonding platform 12 through a rotating motor, and the manipulator 11 transports the graphite unipolar plate to the bonding platform. In other embodiments, two gluing machines 10 are provided and are respectively located at the end of the first conveyor belt 1 and the end of the second conveyor belt 2, and the gluing opening of the gluing machine 10 is located above the conveyor belts.
Exemplarily, the manipulator 11 includes a rotary cylinder, a lifting cylinder, a mechanical arm, a vacuum chuck, a frame, a vacuum pump and a controller, wherein a fixed end of the rotary cylinder is fixedly disposed on the frame, an output end of the rotary cylinder is connected to the fixed end of the lifting cylinder through a turntable, an output end of the lifting cylinder is connected to one end of the mechanical arm and drives the mechanical arm to move up and down, another end of the mechanical arm is connected to the vacuum chuck, the vacuum chuck is connected to the vacuum pump, the vacuum pump is disposed on the turntable, photoelectric sensors for sensing whether the graphite unipolar plate is transported to the end of the first conveyor belt 1 and the end of the second conveyor belt 2 are disposed at the end of the first conveyor belt 1, and the controller is electrically connected to the rotary cylinder, the lifting cylinder, the vacuum pump and the photoelectric sensors respectively; therefore, the graphite unipolar plate is automatically bonded to form the graphite bipolar plate.
Illustratively, the bonding platform 12 includes a fixing seat and a limiting groove, and the limiting groove matches with the first graphite unipolar plate and the second graphite unipolar plate in shape; therefore, the relative movement of the two graphite unipolar plates during bonding is prevented, and the quality of the graphite bipolar plate is improved.
Illustratively, the bonding mechanism further comprises a press for applying pressure to bond the first graphite unipolar plate and the second graphite unipolar plate tightly, wherein the press is arranged on the bonding platform 12; therefore, the first graphite unipolar plate and the second graphite unipolar plate are bonded through the press machine, the graphite bipolar plate is bonded more stably, and the finished product quality is high.
When a first graphite unipolar plate product is conveyed to the end of the first conveying belt 1 or a second graphite unipolar plate product is conveyed to the end of the second conveying belt 2, the photoelectric sensor detects the graphite unipolar plate and transmits a signal to the controller, the controller controls the rotary cylinder to work, the manipulator 11 is driven to rotate until the vacuum chuck is positioned above the graphite unipolar plate, then the vacuum chuck is controlled to suck the first graphite unipolar plate, the rotary cylinder is controlled to work, the mechanical arm is driven to rotate until the graphite unipolar plate is positioned above the limiting groove, the push rod of the lifting cylinder is controlled to contract until the first graphite unipolar plate is placed in the limiting groove, the vacuum chuck is controlled to loosen, then the controller controls the rotary motor to rotate to enable the adhesive machine 10 to perform point coating and watering on the upper surface of the first graphite unipolar plate, and after the point coating is completed, the controller controls the rotary motor to rotate to enable the adhesive machine 10 to perform principle limiting groove, so that the manipulator is prevented from interfering with the adhesive, then, the second graphite unipolar plate is absorbed by the mechanical arm and placed in the limiting groove, and the controller controls the push rod of the lifting cylinder to contract so that the second graphite unipolar plate is bonded with the first graphite unipolar plate, thereby forming a graphite bipolar plate; in addition, a second graphite unipolar plate can be placed in the limiting groove, and then the first graphite unipolar plate can be placed in the limiting groove; therefore, the graphite bipolar plate is formed by automatically bonding the graphite unipolar plates, and the graphite bipolar plate is high in safety and production efficiency.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A continuous rolling forming device for manufacturing a graphite bipolar plate is characterized by comprising a first conveying belt and a second conveying belt, wherein the first conveying belt is sequentially provided with a first mixing mechanism, a first rolling mechanism and a first tunnel type heating furnace, the first mixing mechanism is used for uniformly mixing raw materials and conveying the raw materials to the first conveying belt, the first rolling mechanism is used for pressing the raw materials on the first conveying belt into a first graphite unipolar plate, and the first tunnel type heating furnace is used for curing the first graphite unipolar plate; the second conveying belt is sequentially provided with a second material mixing mechanism for uniformly mixing the raw materials and conveying the raw materials to the second conveying belt, a second rolling mechanism for pressing the raw materials on the second conveying belt into a second graphite unipolar plate and a second tunnel type heating furnace for curing the second graphite unipolar plate along the conveying direction of the second conveying belt; the first graphite unipolar plate and the second graphite unipolar plate are identical in structure and size, and the continuous rolling forming device further comprises a bonding mechanism for bonding the first graphite unipolar plate and the second graphite unipolar plate to form the graphite bipolar plate.
2. The continuous roll forming device for manufacturing a graphite bipolar plate according to claim 1, wherein the first mixing mechanism comprises a hopper, a mixing screw, a mixing pipe and a motor, a discharge port of the hopper is communicated with a feed port of the mixing pipe, the mixing screw is arranged in the mixing pipe, a fixed end of the motor is connected with the hopper, an output end of the motor is connected with the mixing screw, and a discharge valve is arranged at the discharge port of the mixing pipe;
the first material mixing mechanism and the second material mixing mechanism are identical in structure, the first material mixing mechanism is located above the first conveying belt, and the second material mixing mechanism is located above the second conveying belt.
3. The continuous roll forming apparatus for manufacturing a graphite bipolar plate according to claim 1, wherein the first rolling mechanism comprises a first upper pressure roll and a first lower pressure roll which rotate relatively, and the first upper pressure roll and the first lower pressure roll are tangent to the first conveyor belt; the second rolling mechanism comprises a second upper pressing roller and a second lower pressing roller which rotate relatively, and the second upper pressing roller and the second lower pressing roller are tangent to the second conveying belt.
4. The continuous roll forming apparatus for manufacturing a graphite bipolar plate according to claim 3, wherein the first upper press roll comprises a press roll shaft and a plurality of molds uniformly distributed in a circumferential direction of the press roll shaft, and the first upper press roll, the first lower press roll, the second upper press roll and the second lower press roll have the same structure.
5. The continuous roll forming apparatus for manufacturing a graphite bipolar plate according to claim 1, wherein the bonding mechanism comprises a bonding stage, a bonding machine for applying glue to the first graphite unipolar plate or the second graphite unipolar plate, and a robot for picking up and bonding the first graphite unipolar plate and the second graphite unipolar plate to the bonding stage, wherein at least one of the bonding machines is provided.
6. The continuous roll forming apparatus for fabricating a graphite bipolar plate according to claim 5, wherein the robot is located at an end of the first conveyor and an end of the second conveyor, and the bonding machine is provided with one, and the bonding machine is provided on the bonding stage by a rotating motor.
7. The continuous roll forming apparatus for fabricating a graphite bipolar plate according to claim 5, the manipulator comprises a rotary cylinder, a lifting cylinder, a mechanical arm, a vacuum chuck, a frame, a vacuum pump and a controller, the fixed end of the rotary cylinder is fixedly arranged on the frame, the output end of the rotary cylinder is connected with the fixed end of the lifting cylinder through a turntable, the output end of the lifting cylinder is connected with one end of the mechanical arm, and drives the mechanical arm to move up and down, the other end of the mechanical arm is connected with the vacuum chuck, the vacuum sucker is connected with the vacuum pump, the vacuum pump is arranged on the turntable, the tail ends of the first conveying belt and the second conveying belt are respectively provided with a photoelectric sensor, the controller is respectively electrically connected with the rotary cylinder, the lifting cylinder, the vacuum pump and the photoelectric sensor.
8. The continuous roll forming apparatus for fabricating a graphite bipolar plate according to claim 5, wherein the bonding stage comprises a fixing base and a limiting groove, and the limiting groove is matched with the first graphite unipolar plate and the second graphite unipolar plate in shape.
9. The continuous roll forming apparatus for fabricating a graphite bipolar plate according to claim 5, wherein the bonding mechanism further comprises a press for applying pressure to bond the first graphite unipolar plate and the second graphite unipolar plate tightly, the press being disposed on the bonding stage.
10. The continuous roll forming device for manufacturing a graphite bipolar plate according to claim 5, wherein the gluing machine is a dispenser or a screen printer.
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| CN202022050895.3U CN213483780U (en) | 2020-09-17 | 2020-09-17 | Continuous rolling forming device for manufacturing graphite bipolar plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112103516A (en) * | 2020-09-17 | 2020-12-18 | 广东国鸿氢能科技有限公司 | Continuous rolling forming device and method for manufacturing graphite bipolar plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112103516A (en) * | 2020-09-17 | 2020-12-18 | 广东国鸿氢能科技有限公司 | Continuous rolling forming device and method for manufacturing graphite bipolar plate |
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