CN110323474B - Membrane electrode production equipment - Google Patents
Membrane electrode production equipment Download PDFInfo
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- CN110323474B CN110323474B CN201910637587.XA CN201910637587A CN110323474B CN 110323474 B CN110323474 B CN 110323474B CN 201910637587 A CN201910637587 A CN 201910637587A CN 110323474 B CN110323474 B CN 110323474B
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- 239000012528 membrane Substances 0.000 title claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 167
- 238000005098 hot rolling Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 57
- 239000000428 dust Substances 0.000 claims description 48
- 238000003825 pressing Methods 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 11
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
Classifications
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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
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
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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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The application discloses production equipment which is used for producing a membrane electrode and comprises two frame membrane unreeling mechanisms, a CCM membrane unreeling mechanism and a heat pair roller mechanism. The two frame film unreeling mechanisms are used for providing frame films, and the output frame films are arranged at preset stations at parallel intervals. The CCM film unreeling mechanism is used for providing the CCM film and pulling the CCM film between the two groups of frame films. The hot roller mechanism comprises two groups of hot rollers which are oppositely arranged and is used for carrying out hot rolling on the two groups of frame films and the CCM film positioned between the two groups of frame films so as to form a first film electrode. Through the mode, the production rate of the membrane electrode can be accelerated.
Description
Technical Field
The invention relates to the field of battery production, in particular to membrane electrode production equipment.
Background
The membrane electrode assembly, namely MEA, is a combination of proton exchange membrane (CCM, catalyst coated membrane), frame and gas diffusion layer (GDL, gas diffusion layer) after coating of fuel cell, the CCM membrane is clamped between two layers of frame membranes to form five layers of membrane electrodes, the five layers of membrane electrodes are clamped between two layers of GDL to finally form seven layers of membrane electrodes, the existing MEA forming method comprises the working procedures of cutting coiled materials into pieces, grabbing materials by a manipulator to align and stacking materials, pressing by a flat plate hot press, cutting and forming single sheets and the like, and the working procedures are relatively independent, for example, the materials cut into pieces need to be transported to a hot pressing mechanism by the manipulator, and repeated grabbing of the materials occurs, so that the working efficiency is low.
Disclosure of Invention
The invention mainly provides membrane electrode production equipment to solve the problem of low membrane electrode production efficiency in the prior art.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a production apparatus for producing a membrane electrode, the production apparatus comprising: the frame film unreeling mechanisms comprise cutting mechanisms, and the cutting mechanisms output the frame films after cutting, so that the frame films respectively output from the two frame film unreeling mechanisms are arranged at preset stations at parallel intervals; the CCM film unreeling mechanism comprises an inserting sheet mechanism, wherein the inserting sheet mechanism is used for pulling the CCM film between two groups of frame films; and the hot roller pair mechanism comprises two groups of hot rollers which are oppositely arranged and is used for carrying out hot rolling on the two groups of frame films and the CCM film positioned between the two groups of frame films so as to form a first film electrode.
According to an embodiment of the present invention, the production apparatus further includes a dust removing mechanism, and the two groups of dust removing mechanisms are respectively located upstream of the frame film unreeling mechanism and the inserting sheet mechanism, so as to respectively remove dust from the frame film and the CCM film, and the dust removing mechanism includes: a housing; the dust removal component is arranged in the shell and is used for removing dust from the CCM membrane; the dust extraction assembly is arranged on the shell and is used for extracting dust from the accommodating space of the shell.
According to one embodiment of the present invention, the tab mechanism includes: a fixing plate; the inserted sheet subassembly with the fixed plate slides and sets up, can follow the length direction of fixed plate is in slide on the fixed plate to with CCM membrane traction to two sets of between the frame membrane, the inserted sheet subassembly includes: the pressing plate assembly is used for pressing the CCM membrane and comprises a first pressing plate, a second pressing plate and a pressing plate driving assembly which are oppositely arranged, wherein the pressing plate driving assembly is used for driving the first pressing plate or/and the second pressing plate to press the CCM; the cutter assembly comprises a cutter and a cutter driving assembly, and the cutter driving assembly is connected with the cutter to drive the cutter to cut the CCM membrane.
According to an embodiment of the present invention, the cutting mechanism includes: a bottom plate; the fixing frame is arranged on the bottom plate in a sliding manner and comprises a first supporting plate, a second supporting plate and a first side plate, wherein the first supporting plate and the second supporting plate are arranged in parallel at intervals, and the first side plate is propped against the first supporting plate and the second supporting plate; the cutting assembly comprises a fixing piece and a cutting piece, wherein the cutting piece is arranged on the first supporting plate through the fixing piece and can move back and forth between the first supporting plate and the second supporting plate.
According to an embodiment of the present invention, the cutting mechanism further includes: the power piece, the power piece is fixed in the first backup pad, the output of mounting with cut the piece and be connected, be used for the drive cut the piece and be in first backup pad with make a round trip to remove between the second backup pad.
According to an embodiment of the present invention, the cutting mechanism further includes a detecting component for detecting the number of times of cutting by the cutting mechanism.
According to an embodiment of the invention, the detection assembly comprises a photoelectric baffle and a photoelectric sensor, wherein the photoelectric baffle is positioned at the end part of the output end of the power piece, the photoelectric baffle is provided with a notch, and when the power piece drives the photoelectric baffle to rotate once, the photoelectric sensor detects the notch once, so that the rotation times of the power piece are detected.
According to an embodiment of the present invention, the production apparatus further includes a tension adjusting mechanism, and the two sets of tension adjusting mechanisms are respectively used for adjusting the tension of the frame film and the CCM film.
According to an embodiment of the present invention, the production apparatus further includes a first deviation rectifying mechanism and a second deviation rectifying mechanism; the first deviation rectifying mechanism is arranged at the upstream of the cutting mechanism and is used for rectifying the position of the frame film to be fed into the cutting mechanism, so that the frame film can be fed into the cutting mechanism accurately; the second deviation correcting mechanism is arranged at the upstream of the inserting sheet mechanism and is used for correcting the position of the CCM membrane to be entered into the inserting sheet mechanism, so that the CCM membrane accurately enters the inserting sheet mechanism.
According to an embodiment of the present invention, the production apparatus further includes two GDL film unreeling mechanisms and a thermo-compression roller mechanism; the two GDL film unreeling mechanisms are used for outputting GDL films, and the GDL films output from the two GDL film unreeling mechanisms are respectively positioned outside the first film electrode; the hot-press roller mechanism is used for hot-rolling two groups of GDL films and a first membrane electrode positioned between the two groups of GDL films to form a second membrane electrode.
The beneficial effects of the invention are as follows: compared with the prior art, the invention combines various mechanisms, realizes automatic continuous production through automatic unreeling, online cutting and the like, and reduces the grabbing times of CMM films, frame films and the like. Thereby realizing continuous forming of the membrane electrode, reducing grabbing damage to materials and greatly improving production efficiency.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a construction of an embodiment of a production facility provided by the present invention;
FIG. 2 is a schematic diagram of an embodiment of the second dust suction mechanism in FIG. 1;
FIG. 3 is a schematic view of an embodiment of the tab mechanism of FIG. 1;
FIG. 4 is a schematic side view of an embodiment of the cutting mechanism of FIG. 1;
FIG. 5 is a schematic elevational view of one embodiment of the cutting mechanism of FIG. 1;
FIG. 6 is a schematic view of another embodiment of the production facility provided by the present invention;
FIG. 7 is a schematic diagram of an embodiment of a three-layer membrane electrode;
FIG. 8 is a schematic structural view of one embodiment of a five-layer membrane electrode;
fig. 9 is a schematic structural view of an embodiment of a seven-layer membrane electrode.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1-6, the present invention provides a production apparatus 10, the production apparatus 10 being used for producing a membrane electrode. The production facility 10 includes a CCM film unwind mechanism 100, a frame film unwind mechanism 200, and a thermal pair roller mechanism.
The membrane electrode generally comprises three layers of membrane electrodes, five layers of membrane electrodes and seven layers of membrane electrodes, as shown in fig. 7, wherein the three layers of membrane electrodes generally comprise a proton exchange membrane in the middle and two catalyst layers coated on the surface of the proton exchange membrane. As shown in fig. 8, the five-layer membrane electrode is provided with frame films on both sides of the three-layer membrane electrode, respectively. As shown in fig. 9, the seven-layer membrane electrode is formed by providing gas diffusion layers on both sides of the five-layer membrane electrode.
The frame film unreeling mechanism 200 is specifically two, the frame film unreeling mechanism 200 includes a cutting mechanism 220, and the frame films are output after being cut by the cutting mechanism 220, so that the frame films respectively output from the two frame film unreeling mechanisms 200 are arranged at a preset station in parallel and at intervals.
The CCM film unreeling mechanism 100 is used for providing CCM films, the inserting mechanism 120, and the inserting mechanism 120 pulls the CCM film, particularly the proton exchange film coated with the catalyst layer, between two sets of frame films, so that the CCM film and the frame films on both sides form a five-layer film structure.
The hot twin-roll mechanism is used for carrying out hot press rolls and specifically comprises two groups of hot rolls which are oppositely arranged and used for carrying out hot roll pressing on two groups of frame films and a CCM film which is positioned between the two groups of frame films so as to form a first film electrode. Specifically, two sets of hot rolls are oppositely arranged and form a rolling space, a five-layer membrane structure formed by two sets of frame membranes and CCM membranes is positioned in the rolling space, and the two sets of hot rolls are used for hot rolling so as to form a first membrane electrode.
In a specific embodiment, the production apparatus 10 further includes a dust removing mechanism, which is specifically two groups, and is used to remove dust from the frame membrane and the CCM membrane, respectively.
For convenience of description, the dust removing mechanism in the CCM film unreeling mechanism 100 is a second dust removing mechanism 110, where the second dust removing mechanism 110 is specifically located upstream of the inserting sheet mechanism 120, so as to remove dust from the CCM film and input the CCM film into the inserting sheet mechanism, and the first dust removing mechanism 210 is specifically located upstream of the cutting mechanism 220 in the frame film unreeling mechanism 200, so as to remove dust from the frame film and input the frame film into the cutting mechanism 220.
As shown in fig. 2, one of them is described herein, for example, the second dust removing mechanism 110:
The second dust removing mechanism 110 includes a housing 111, a dust removing assembly 112 and a dust extracting assembly 113, wherein a receiving space is formed inside the housing 111, the dust removing assembly 112 is disposed in the receiving space of the housing 111, the dust removing assembly 112 is used for removing dust from a CCM film, specifically, the dust removing assembly 112 includes two sets of oppositely disposed brush rollers 114, and a dust removing space is formed between the two sets of brush rollers 114, so as to remove dust from a material passing through the two sets of brush rollers 114, for example, the second dust removing mechanism 110 is used for removing dust from the CCM film, and the first dust removing mechanism 210 is used for removing dust from a frame film. The dust extraction assembly 113 is disposed on the housing 111, and has one end connected to the accommodating space of the housing 111 and the other end connectable to a dust suction device, so as to extract dust from the inner space of the housing 111. Dust present on the brush roller 114 and in the inner space of the housing is extracted in real time to prevent secondary pollution to the CCM membrane or contamination to the whole working space by drifting outside.
In other embodiments, the dedusting assembly 112 may also adopt other structures for dedusting CCM membranes, which are not limited herein.
In a specific embodiment, the second dust removing mechanism 110 may further include a guiding assembly, which may be disposed on the housing 111, for guiding the material so that the material can accurately enter into the dust removing space formed by the two sets of brush rollers 114.
Specifically, the guide assembly includes a guide plate and a guide roller. The guide roller is preferably a driven roller to reduce wear on the material.
As shown in fig. 3, the tab mechanism 120 is used for pulling and cutting CCM membrane, and includes a fixing plate 121 and a tab assembly 122. The insert assembly 122 is slidably disposed with the fixing plate 121, and can slide on the fixing plate 121 along the length direction of the fixing plate 121, so as to pull the CCM membrane between the two sets of frame membranes. Specifically, the slider may cooperate with the slide rail and the motor to achieve automated sliding of the tab assembly 122.
The insert assembly 122 includes a platen assembly 123 and a cutter assembly 124, the platen assembly 123 is used for compressing CCM film, and the platen assembly 123 includes a first platen 125, a second platen 126 and a platen driving assembly. The first platen 125 is disposed opposite the second platen 126 to form a compression space to accommodate the CCM membrane, and then the platen drive assembly drives the first platen 125 and/or the second platen 126 toward each other to compress the CCM membrane. The platen drive assembly may be, in particular, an air cylinder and is coupled to the first platen 125 and/or the second platen 126. The cutter assembly 124 includes a cutter 128 and a cutter drive assembly 129, the cutter drive assembly 129 being coupled to the cutter 128 to drive the cutter 128 to cut the CCM film. Specifically, after the platen assembly 123 compresses the CCM film, the CCM film is pulled between the two sets of frame films, and then the cutter assembly 124 cuts the CCM film once to cut the CCM film with a preset size, at this time, since the end of the cut CCM film is clamped between the two sets of frame films, the CCM film can gradually enter between the two sets of frame films under the driving of the two sets of driven rollers.
In particular embodiments, the tab mechanism 120 may also include a guide plate for guiding the CCM film into the compression space formed by the first platen 125 and the second platen 126. Specifically, the two guide plates may be disposed opposite to each other, and the opposite sides of one ends of the two guide plates are provided with guide inclined planes, so that a larger entry space is provided for the CCM membrane to go between the two guide plates, and further, to enter the compression space formed by the first pressure plate 125 and the second pressure plate 126.
As shown in fig. 4 and 5, the cutting mechanism 220 includes a base 230, a fixing frame 240, and a cutting assembly 250. The fixing frame 240 is slidably disposed on the bottom plate 230.
The fixing frame 240 includes a first support plate 241 and a second support plate 242 disposed at parallel intervals, and a first side plate 243 propped between the first support plate 241 and the second support plate 242. The first side plate 243 may be two or four, and is disposed perpendicular to the first support plate 241 and the second support plate 242.
In a specific embodiment, a first sliding member may be disposed on the bottom plate 230, and a second sliding member matched with the first sliding member may be disposed on a bottom surface of the second supporting plate 242, so that the fixing frame 240 may be slidably disposed on the bottom plate 230, and specifically, the first sliding member and the second sliding member may be a sliding block and a sliding rail, respectively.
The cutting assembly 250 includes a fixing member 251 and a cutting member 252, and the cutting member 252 is disposed on the first support plate 241 through the fixing member 251 and can move back and forth between the first support plate 241 and the second support plate 242, so as to cooperate with the second support plate 242 to cut the frame film.
As shown in fig. 4, the fixing member 251 includes a third support plate 253 and a second side plate 254 vertically disposed at the bottom of the third support plate 253, and the second side plate 254 may be specifically two and vertically fixed on the first support plate 241.
The cutting mechanism 200 further includes a power member 255. The power member 255 is coupled to the cutting member 252 for driving the cutting member 252 back and forth between the first support plate 241 and the second support plate 242.
Specifically, the cutting member 252 includes a connecting rod 256, a fixed block 257 and a connecting assembly 258. The power member 255 is fixed to the fixing member 251, specifically, may be fixed to the second side plate 254, and one end of the connecting rod 256 is connected to the output end of the power member 255, and the other end is connected to the fixing block 257. The connection assembly 25 is connected to the fixing block 257, specifically, may be connected through a connection post 259. Specifically, the connection post 259 may be provided with a spring to provide cushioning protection for the connection assembly 258.
Specifically, the power member 255 is disposed above the first support plate 241, the connecting assembly 258 is disposed between the first support plate 241 and the second support plate 242, and the first support plate 241 is provided with a through hole for placing the connecting rod 256 and the fixing block 257.
The output end of the power member 255 may be an eccentric shaft, and the connecting rod 256 may be sleeved at an eccentric position of the eccentric shaft, and when the eccentric shaft rotates, the eccentric position drives the connecting rod 256 to move up and down, so that the rotational displacement is changed into linear displacement, and the connecting assembly 258 may be driven to move between the first support plate 241 and the second support plate 242.
In a specific embodiment, the power member 255 may also be an air cylinder, and is fixed on the second support plate 253, so as to drive the connection assembly 258 to move up and down.
As shown in fig. 5, the connecting assembly 258 includes a first connecting plate 2581 and a second connecting plate 2582 that are disposed at intervals, and a pull pin 2583 connecting the first connecting plate 2581 and the second connecting plate 2582. A cutter may be provided on the second connection plate 2582 to cut the frame film.
Specifically, the first support plate 241 is provided with a through hole, and the second connection plate 2582 is smaller than the through hole so that the second connection plate 2582 can pass through the through hole. Thereby cutting the frame film.
As shown in fig. 4, the cutting mechanism 220 further includes a detecting component 260, and the detecting component 260 is configured to detect the number of times the cutting mechanism 220 is cut.
In a specific embodiment, the detecting assembly 260 may specifically include a photoelectric blocking piece 261 and a photoelectric sensor 262, where the photoelectric blocking piece 261 is disposed at an end portion of the output end of the power piece 255, and a notch is disposed on the photoelectric blocking piece 261, and when the output end rotates, the photoelectric blocking piece 261 is driven to rotate, so that the notch on the photoelectric blocking piece 261 can be detected by the photoelectric sensor 262, and when the output end rotates once, the photoelectric sensor 262 detects once, so that the rotation number of the output end of the power piece 255 can be obtained, and then the cutting number of the cutting mechanism 220 is detected.
As shown in fig. 1, the production apparatus 10 further includes a tension adjusting mechanism, which may be specifically two groups, for respectively adjusting the tension of the frame film and the CCM film.
Specifically, one group may be disposed between the first dust removing mechanism 210 and the cutting mechanism 220, and the other group may be disposed between the second dust removing mechanism 110 and the tab mechanism 120.
As shown in fig. 1, the production apparatus 10 further includes a first deviation rectifying mechanism 280 and a second deviation rectifying mechanism 140. The first deviation rectifying mechanism 280 may be disposed between the tension adjusting mechanism and the cutting mechanism 220, and may be used for rectifying the position of the frame film, so that the frame film accurately enters the cutting mechanism 220.
The second deviation correcting mechanism 140 is disposed upstream of the inserting mechanism 120, and may specifically be disposed between the tension adjusting mechanism and the inserting mechanism 120, so as to correct the position of the CCM membrane, so that the CCM membrane can accurately enter the inserting mechanism 120.
As shown in fig. 6, the production apparatus 10 further includes a GDL film unreeling mechanism 400 and a heat and pressure roller mechanism 500.
The GDL film unwinding mechanism 400 is used for outputting GDL films, and specifically, the number of the GDL film unwinding mechanisms 400 may be two, and the GDL films output from the two GDL film unwinding mechanisms 400 are respectively located outside the first film electrode.
Specifically, the GDL film unwinding mechanism 400 may have a structure similar to that of the CCM film unwinding mechanism 100, and includes a dust removing mechanism, a tension adjusting mechanism, a deviation correcting mechanism, and an inserting mechanism. And these mechanisms are the same as the corresponding mechanisms of the CCM film unreeling mechanism 100 described above, and will not be described here again.
The hot-press roller mechanism 500 is used for hot-rolling the two groups of GDL films and the first membrane electrode between the two groups of GDL films to form the second membrane electrode.
The flow is now described with respect to the above configuration:
The two frame film unreeling mechanisms 200 provide two groups of frame films, specifically include that after dedusting the frame films through the first dedusting mechanism 210, tension adjustment is performed through the tension adjustment mechanism in sequence, position deviation correction is performed through the first deviation correction mechanism 280, then the frame films are input into the cutting mechanism 220 for cutting, then the two groups of frame films are output, and the two groups of frame films are oppositely arranged on a preset station.
Subsequently, the CCM film unreeling mechanism 100 provides CCM films, specifically includes dedusting the CCM films by the second dedusting mechanism 110, sequentially performing tension adjustment by the tension adjustment mechanism and position correction by the second correcting mechanism 140, and then inputting the CCM films into the inserting sheet mechanism 120, wherein the inserting sheet mechanism 120 pulls the CCM films to enter between two groups of frame films, then the cutter assembly 124 cuts the CCM films so that CCM films with preset sizes are positioned between the two groups of frame films, the inserting sheet mechanism 120 returns to the original station, and the two groups of frame films and CCM films are thermally rolled by the hot pair roller mechanism to form a first film electrode.
The two GDL film unreeling mechanisms 400 provide two sets of GDL films on both sides of the first film electrode, and further hot roll-press the two sets of GDL films with the first film electrode by the hot roll mechanism 500 to form the second film electrode.
In summary, the present application provides a production device, which includes a CCM film unreeling mechanism and two independent frame film unreeling mechanisms. Therefore, a frame membrane-CCM membrane-frame membrane structure can be formed at a preset station, automatic unreeling, online cutting and real-time tension adjustment and deviation correction are performed on the frame membrane and the CCM membrane, online compounding is realized, continuous production is realized, repeated manipulator transportation and the like are not needed, and the carrying damage to materials is reduced. And further provides two independent GDL film unreeling mechanisms, so that the GDL film is provided and output to two sides of the first membrane electrode, thereby realizing continuous membrane electrode production and greatly improving the production efficiency.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. A production apparatus for producing a membrane electrode, the production apparatus comprising:
the frame film unreeling mechanisms comprise cutting mechanisms, and the cutting mechanisms output the frame films after cutting, so that the frame films respectively output from the two frame film unreeling mechanisms are arranged at preset stations at parallel intervals;
The CCM film unreeling mechanism comprises an inserting sheet mechanism, wherein the inserting sheet mechanism is used for pulling the CCM film between two groups of frame films;
The heat roller mechanism comprises two groups of heat rollers which are oppositely arranged and is used for carrying out hot rolling on the two groups of frame films and the CCM film positioned between the two groups of frame films so as to form a first film electrode;
The tab mechanism includes:
the pressing plate assembly comprises a first pressing plate and a second pressing plate;
And the guide plate is used for guiding the CCM membrane to enter between the first pressing plate and the second pressing plate.
2. The production facility of claim 1, further comprising a dust removal mechanism, two sets of dust removal mechanisms respectively located upstream of the frame film unwind mechanism and the tab mechanism for removing dust from the frame film and the CCM film, respectively, the dust removal mechanism comprising:
A housing;
the dust removal component is arranged in the shell and is used for removing dust from the CCM membrane;
the dust extraction assembly is arranged on the shell and is used for extracting dust from the accommodating space of the shell.
3. The manufacturing apparatus of claim 1, wherein the tab mechanism comprises:
A fixing plate;
The inserted sheet subassembly with the fixed plate slides and sets up, can follow the length direction of fixed plate is in slide on the fixed plate to with CCM membrane traction to two sets of between the frame membrane, the inserted sheet subassembly includes:
the pressing plate assembly is used for pressing the CCM membrane and comprises a first pressing plate, a second pressing plate and a pressing plate driving assembly which are oppositely arranged, wherein the pressing plate driving assembly is used for driving the first pressing plate or/and the second pressing plate to press the CCM membrane;
The cutter assembly comprises a cutter and a cutter driving assembly, and the cutter driving assembly is connected with the cutter to drive the cutter to cut the CCM membrane.
4. The production apparatus according to claim 1, wherein the cutting mechanism comprises:
A bottom plate;
the fixing frame is arranged on the bottom plate in a sliding manner and comprises a first supporting plate, a second supporting plate and a first side plate, wherein the first supporting plate and the second supporting plate are arranged in parallel at intervals, and the first side plate is propped against the first supporting plate and the second supporting plate;
The cutting assembly comprises a fixing piece and a cutting piece, wherein the cutting piece is arranged on the first supporting plate through the fixing piece and can move back and forth between the first supporting plate and the second supporting plate.
5. The production facility of claim 4, wherein the cutting mechanism further comprises:
The power piece, the power piece is fixed in the first backup pad, the output of mounting with cut the piece and be connected, be used for the drive cut the piece and be in first backup pad with make a round trip to remove between the second backup pad.
6. The manufacturing apparatus of claim 5 wherein the cutting mechanism further comprises a detection assembly for detecting the number of cuts of the cutting mechanism.
7. The apparatus according to claim 6, wherein the detecting assembly comprises a photoelectric blocking piece and a photoelectric sensor, the photoelectric blocking piece is located at an end of the output end of the power piece, the photoelectric blocking piece is provided with a notch, and when the power piece drives the photoelectric blocking piece to rotate once, the photoelectric sensor detects the notch once, and further detects the rotation times of the power piece.
8. The production facility of claim 1, further comprising a tension adjustment mechanism, wherein two sets of tension adjustment mechanisms are used to tension adjust the frame membrane and the CCM membrane, respectively.
9. The production facility of claim 8, further comprising a first deviation rectifying mechanism and a second deviation rectifying mechanism;
The first deviation rectifying mechanism is arranged at the upstream of the cutting mechanism and is used for rectifying the position of the frame film to be fed into the cutting mechanism, so that the frame film can be fed into the cutting mechanism accurately;
the second deviation correcting mechanism is arranged at the upstream of the inserting sheet mechanism and is used for correcting the position of the CCM membrane to be entered into the inserting sheet mechanism, so that the CCM membrane accurately enters the inserting sheet mechanism.
10. The production apparatus according to any one of claims 1 to 9, further comprising two GDL film unreeling mechanisms and a thermo roll mechanism;
The two GDL film unreeling mechanisms are used for outputting GDL films, and the GDL films output from the two GDL film unreeling mechanisms are respectively positioned outside the first film electrode;
The hot-press roller mechanism is used for hot-rolling two groups of GDL films and a first membrane electrode positioned between the two groups of GDL films to form a second membrane electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111755723B (en) * | 2020-06-01 | 2023-02-17 | 江苏氢导智能装备有限公司 | Device for preparing membrane electrode frame of fuel cell |
| WO2022120557A1 (en) * | 2020-12-08 | 2022-06-16 | 无锡先导智能装备股份有限公司 | Method for manufacturing membrane electrode |
| CN113113616B (en) * | 2021-04-09 | 2024-08-23 | 湖南隆深氢能科技有限公司 | Packaging and detecting production line for membrane electrode of proton exchange membrane fuel cell |
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| WO2011146094A1 (en) * | 2009-12-22 | 2011-11-24 | 3M Innovative Properties Company | Fuel cell subassemblies incorporating subgasketed thrifted membranes |
| JP2013182682A (en) * | 2012-02-29 | 2013-09-12 | Toyota Motor Corp | Method and apparatus for manufacturing membrane electrode assembly |
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| CN104617310B (en) * | 2015-02-13 | 2017-01-04 | 昆山桑莱特新能源科技有限公司 | A kind of preparation method of the fuel cell membrane electrode of band sealed frame |
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