CN115832338B - Membrane electrode integrated thermal transfer slitting equipment and thermal transfer slitting process thereof - Google Patents
Membrane electrode integrated thermal transfer slitting equipment and thermal transfer slitting process thereof Download PDFInfo
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- CN115832338B CN115832338B CN202310125990.0A CN202310125990A CN115832338B CN 115832338 B CN115832338 B CN 115832338B CN 202310125990 A CN202310125990 A CN 202310125990A CN 115832338 B CN115832338 B CN 115832338B
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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
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- 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
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Abstract
The invention provides membrane electrode integrated thermal transfer slitting equipment and a thermal transfer slitting process thereof, and relates to the technical field of membrane electrode production equipment.
Description
Technical Field
The invention relates to the technical field of membrane electrode production equipment, in particular to membrane electrode integrated thermal transfer slitting equipment and a thermal transfer slitting process thereof.
Background
The membrane electrode mainly comprises three parts, namely a proton exchange membrane, a catalyst layer and a gas diffusion layer, wherein the specific arrangement structure comprises the gas diffusion layer, an anode catalyst layer, the proton exchange membrane, a cathode catalyst layer and the gas diffusion layer, the proton exchange membrane has the main effects of realizing rapid conduction of protons and blocking permeation of hydrogen, oxygen and nitrogen between a cathode and an anode, the anode catalyst layer is used for promoting oxidation reaction of the hydrogen, the cathode catalyst layer is used for promoting reduction reaction of the oxygen, and the gas diffusion layer is mainly used for supporting the anode catalyst layer and the cathode catalyst layer, collecting current, conducting gas and discharging water generated by the reaction.
In the existing CCM membrane electrode production, the coating process of the catalyst layer mainly has the following problems: the catalyst layer is coated on the proton exchange membrane in a spraying mode, but the spraying amount is difficult to control, so that swelling of the proton exchange membrane or unstable coating of the catalyst layer is very easy to occur, and the yield of the membrane electrode is low.
Therefore, there is a need for a membrane electrode integrated thermal transfer slitting apparatus and a thermal transfer slitting process thereof that can solve the above-mentioned problems.
Disclosure of Invention
The invention provides a membrane electrode integrated heat transfer slitting device and a heat transfer slitting process thereof, which realize heat transfer work on an anode catalyst layer, effectively reduce swelling phenomenon after a proton exchange membrane is sprayed with the catalyst layer, ensure the composite effect of the anode catalyst layer and the proton exchange membrane, and improve the production efficiency of a membrane electrode and the yield of a membrane electrode finished product.
One of the technical schemes of the invention is realized as follows:
the membrane electrode integrated heat transfer slitting equipment comprises a rack, wherein a discharging device, a heat radiation reinforcing device, a heat transfer device, a slitting device and a receiving device are arranged on the rack;
the discharging device comprises a first material belt discharging shaft, a second material belt discharging shaft, an upper layer high-temperature discharging shaft, a lower layer high-temperature discharging shaft and a protective film discharging shaft, wherein the first material belt discharging shaft, the second material belt discharging shaft, the upper layer high-temperature discharging shaft, the lower layer high-temperature discharging shaft and the protective film discharging shaft are all rotatably arranged on the frame;
the thermal transfer device comprises a thermal transfer tool apron, an upper electromagnetic heating roller and a lower electromagnetic heating roller are rotatably arranged on the thermal transfer tool apron, and the upper electromagnetic heating roller is connected with a transfer pressure adjusting mechanism;
the slitting device is used for slitting the thermal transfer finished film formed after the thermal transfer;
the material collecting device comprises a first material strip lining film collecting shaft, an upper layer high-temperature cloth collecting shaft, a second material strip lining film collecting shaft, a first product collecting shaft, a second product collecting shaft, a protective film collecting shaft and a lower layer high-temperature cloth collecting shaft, wherein the first material strip lining film collecting shaft, the upper layer high-temperature cloth collecting shaft, the second material strip lining film collecting shaft, the first product collecting shaft, the second product collecting shaft, the protective film collecting shaft and the lower layer high-temperature cloth collecting shaft are all rotatably arranged on the frame.
As a preferred technical scheme, heat radiation reinforcing apparatus includes two heating ovens, one of them heating oven set up in the upper reaches of heat transfer device, another heating oven set up in heat transfer device's low reaches is followed to first flitch, every be equipped with feed opening on heating oven's the preceding wallboard, be equipped with ejection of compact opening on heating oven's the back wallboard, feed opening with ejection of compact opening sets up relatively, heating oven's top is equipped with a top uncovered, top uncovered department articulates there is a roof, fixed mounting has the hot plate on the inner wall of roof, the roof with jointly articulated between the heating oven has a pneumatic rod, install radiator fan and temperature sensor on heating oven's the side wallboard, be equipped with the lateral part uncovered on heating oven's the another lateral wall, lateral part uncovered department articulates there is a lateral wall door plant.
As a preferable technical scheme, the slitting device comprises a slitting knife holder, wherein a rotating roller and a slitting knife roller are rotatably arranged on the slitting knife holder, and the rotating roller is arranged above the slitting knife roller.
As a preferable technical scheme, the first material belt discharging shaft and the second material belt discharging shaft are connected with an axial deviation correcting mechanism, each axial deviation correcting mechanism comprises a fixed plate fixed on the frame, each fixed plate is provided with a through opening, the first material belt discharging shaft and the second material belt discharging shaft respectively pass through the corresponding through openings, a fixed seat is fixed on the outer wall of each fixed plate, a material shaft mounting seat is slidably mounted on each fixed seat, each material shaft mounting seat slides along the axial direction of the first material belt discharging shaft, each material shaft mounting seat is driven by a deviation correcting electric cylinder to slide, the first material belt discharging shaft and the second material belt discharging shaft are respectively rotatably mounted on the corresponding material shaft mounting seat, each material shaft mounting seat is fixedly provided with a discharging driving motor, and the first material belt discharging shaft and the second material belt discharging shaft respectively correspond to the motor to be in driving connection with the discharging motor;
One side of the first material belt discharging shaft and one side of the second material belt discharging shaft are respectively provided with a material belt tensioning mechanism.
As a preferred technical scheme, the material belt tensioning mechanism comprises a rotating shaft rotatably mounted on the fixed plate, the rotating shaft extends along the axial direction of the first material belt discharging shaft, two crank arms are fixedly mounted at two ends of the rotating shaft respectively, a guide pressing shaft is hinged between the two crank arms together, the guide pressing shaft extends along the axial direction of the rotating shaft, a rotating arm is fixedly mounted on the rotating shaft, and a swinging cylinder is hinged between the free end of the rotating arm and the fixed plate together.
As a preferred technical scheme, transfer printing pressure adjustment mechanism includes two servo electric cylinders of vertical setting, each servo electric cylinder's cylinder body is all fixed in on the thermal transfer printing blade holder, be equipped with a vertical spout on two risers of thermal transfer printing blade holder respectively, go up electromagnetic heating roller's both ends respectively through square slider constraint install in corresponding in the vertical spout, each square slider all with correspond servo electric cylinder's push rod fixed connection.
As a preferable technical scheme, a first traction device is arranged between the thermal transfer device and the heating oven located at the upstream, a second traction device is arranged between the thermal transfer device and the heating oven located at the downstream, and a third traction device is arranged between the heating oven located at the downstream and the slitting device.
As a preferable technical scheme, the first traction device, the second traction device and the third traction device comprise traction tool holders, and each traction tool holder is rotatably provided with two traction rollers.
As a preferable technical scheme, two ends of the upper electromagnetic heating roller are respectively and rotatably arranged on the corresponding square sliding blocks, two ends of the lower electromagnetic heating roller are respectively and rotatably arranged on two vertical plates of the heat transfer tool apron, the lower electromagnetic heating roller is connected with a heating roller driving servo motor in a transmission manner, a driving gear is fixedly arranged on the lower electromagnetic heating roller, a driven gear is fixedly arranged on the upper electromagnetic heating roller, and the driven gear is meshed with the driving gear.
The other technical scheme of the invention is realized as follows:
the thermal transfer slitting process using the membrane electrode integrated thermal transfer slitting equipment specifically comprises the following steps of:
s1, a first material belt roll is placed on a first material belt discharging shaft, a second material belt roll is placed on a second material belt discharging shaft, and axial position adjustment is carried out on the first material belt discharging shaft and the second material belt discharging shaft by utilizing an axial deviation correcting mechanism, so that position deviation correction of the first material belt and the second material belt is realized;
S2, a first material belt unreeling shaft rotates to drive a first material belt roll to unreel, a second material belt unreeling shaft rotates to drive a second material belt roll to unreel, the unreeled first material belt enters a heating oven positioned at the upstream for preheating under the traction and transportation of a first traction device, then a first material belt lining film on the first material belt is reeled through a first material belt lining film reeling shaft, the first material belt lining film is peeled off from the upper surface of the first material belt, and then the unreeled second material belt is attached to the upper surface of the first material belt;
s3, rotating an upper high-temperature cloth discharging shaft, a lower high-temperature cloth discharging shaft and a protective film discharging shaft to discharge the upper high-temperature cloth, the lower high-temperature cloth and the protective film, and before entering a thermal transfer printing device, enabling the upper high-temperature cloth to be positioned above a second material belt, the protective film to be positioned below a first material belt and the lower high-temperature cloth to be positioned below the protective film to form five-layer materials sequentially provided with the upper high-temperature cloth, the second material belt, the first material belt, the protective film and the lower high-temperature cloth;
s4, under the traction and transportation of the second traction device, the five layers of materials are laminated together when entering the thermal transfer device, then the five layers of laminated materials pass through a roll gap between an upper electromagnetic heating roll and a lower electromagnetic heating roll, and in the process, the five layers of laminated materials are heated and rolled by the upper electromagnetic heating roll and the lower electromagnetic heating roll in rotation, so that an anode catalyst layer on the second material belt is thermally transferred onto a proton exchange membrane of the first material belt;
S5, under the traction and conveying of a third traction device, the five-layer laminated material passes through a heating oven positioned at the downstream, the five-layer laminated material is subjected to heat radiation heating reinforcement by using the heating oven, and before the five-layer laminated material leaving the heating oven enters a slitting device, a lower-layer high-temperature cloth in the five-layer laminated material is subjected to material collection by using a lower-layer high-temperature cloth collecting shaft to form a four-layer laminated material sequentially provided with an upper-layer high-temperature cloth, a second material belt lining film, a thermal transfer finished film and a protective film;
s6, slitting the four-layer laminated material by utilizing a slitting device, slitting a second material strip lining film, a heat transfer finished film and a protective film in the four-layer laminated material from the middle, then utilizing a protective film winding shaft to collect materials for the two split protective films, utilizing an upper high-temperature cloth winding shaft to collect materials for the upper high-temperature cloth, utilizing the second material strip lining film winding shaft to collect materials for the two split second material strip lining films, and utilizing a first product winding shaft and a second product winding shaft to collect materials for the two split heat transfer finished films respectively, namely, the heat transfer finished films are in the structures of an anode catalyst layer, a proton exchange film and a cathode catalyst layer.
By adopting the technical scheme, the invention has the beneficial effects that:
because the membrane electrode integrated thermal transfer slitting equipment comprises the discharging device, the thermal radiation reinforcing device, the thermal transfer device, the slitting device and the receiving device, the discharging device is used for discharging the first material belt, the second material belt, the upper layer high-temperature cloth, the protective film and the lower layer high-temperature cloth used in the thermal transfer work one by one, so that the smooth performance of the thermal transfer work is ensured; the heat radiation reinforcing device comprises two heating ovens, one heating oven is used for preheating a first material belt which is not subjected to transfer printing, the other heating oven is used for carrying out heat radiation heating reinforcing on five layers of laminated materials after the heat transfer printing is finished, the temperature reduction speed of the five layers of laminated materials is slowed down, so that the anode catalyst layer can be more firmly compounded on the proton exchange membrane, and the heat transfer printing effect of the anode catalyst layer is improved.
The heat transfer device is used for heating and rolling the five-layer laminated material, so that the anode catalyst layer on the second material belt is heat-transferred onto the proton exchange membrane of the first material belt, compared with a coating process of spraying the catalyst layer onto the proton exchange membrane, the process method for heat-transferring the anode catalyst layer onto the proton exchange membrane not only greatly quickens the coating speed of the catalyst layer, but also accurately controls the quantity of the catalyst layer, effectively reduces the swelling phenomenon after the catalyst layer is sprayed onto the proton exchange membrane, and further effectively improves the production efficiency of the membrane electrode and the yield of finished membrane electrode products.
The slitting device is used for slitting the thermal transfer finished product film formed after the thermal transfer work is finished, dividing the thermal transfer finished product film with overlarge width formed after the thermal transfer into two thermal transfer finished product films with narrower width, enabling the width of the thermal transfer finished product film to meet the use requirement of the next procedure, and the thermal transfer finished product film is not required to be divided by using other equipment, so that the processing flow of the thermal transfer finished product film is simplified, and the production efficiency of the membrane electrode is improved.
The material collecting device comprises a first material belt lining film collecting shaft, an upper layer high-temperature cloth collecting shaft, a second material belt lining film collecting shaft, a first finished product collecting shaft, a second finished product collecting shaft, a protective film collecting shaft and a lower layer high-temperature cloth collecting shaft, and before the heat transfer printing work is carried out, the first material belt lining film collecting shaft is utilized to automatically collect the first material belt lining film, so that the proton exchange film on the first material belt and the anode catalyst layer on the second material belt can be smoothly attached together, and the smooth follow-up heat transfer printing work is ensured; after the heat transfer printing work is finished, the lower-layer high-temperature cloth is automatically collected by utilizing a lower-layer high-temperature cloth collecting shaft, so that the situation that the lower-layer high-temperature cloth is damaged by a slitting device is avoided, and the lower-layer high-temperature cloth is repeatedly utilized for a plurality of times; similarly, the protection film winding shaft is utilized to automatically collect the protection film, the second material film winding shaft is utilized to automatically collect the second material film, and the upper high-temperature cloth winding shaft is utilized to automatically collect the upper high-temperature cloth, so that the purposes of automatically removing the first material film, the lower high-temperature cloth, the protection film, the second material film and the upper high-temperature cloth are achieved, and further the automatic winding of the first product winding shaft and the second product winding shaft on the heat transfer finished film is facilitated.
Because the upper high-temperature cloth discharging shaft, the lower high-temperature cloth discharging shaft and the protective film discharging roller are all rotatably arranged on the frame, in the invention, the upper high-temperature cloth discharging shaft is used for placing the upper high-temperature cloth roll and discharging the upper high-temperature cloth roll, the lower high-temperature cloth discharging shaft is used for placing the lower high-temperature cloth roll and discharging the lower high-temperature cloth roll, and the upper high-temperature cloth and the lower high-temperature cloth are used for carrying out high-temperature protection on the first material belt and the second material belt, so that the anode catalyst layer, the proton exchange film and the cathode catalyst layer on the first material belt and the second material belt are prevented from being scalded; the protective film discharging shaft is used for placing the protective film material roll and discharging the protective film material roll, and the protective film is arranged to avoid the contact of the cathode catalyst layer and the slitting device, so that the support and the protection of the thermal transfer finished film are realized.
Because the thermal transfer device comprises the thermal transfer tool apron, the upper electromagnetic heating roller, the lower electromagnetic heating roller and the transfer pressure regulating mechanism, the transfer pressure regulating mechanism drives the upper electromagnetic heating roller to vertically move so as to realize the accurate regulation of the roller gap and the rolling pressure between the upper electromagnetic heating roller and the lower electromagnetic heating roller, so that the anode catalyst layer on the second material belt is quickly and firmly thermally transferred onto the proton exchange membrane on the first material belt, the thermal transfer effect of the thermal transfer device on the anode catalyst layer is further ensured, and the production efficiency of the membrane electrode and the yield of the finished membrane electrode are improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of a thermal transfer device according to the present invention;
FIG. 5 is a schematic view of a heating oven according to the present invention;
FIG. 6 is a schematic diagram of a material correcting mechanism according to the present invention;
FIG. 7 is a schematic front view of FIG. 6;
FIG. 8 is a schematic top view of FIG. 7;
FIG. 9 is a schematic rear view of FIG. 7;
fig. 10 is a schematic view of a thermal transfer process of an anode catalyst layer according to the present invention.
Wherein: 100. a frame; 101. a first material belt; 102. a second material belt; 103. a first web liner film; 104. a second material strip liner film; 105. a first roll of material tape; 106. a second roll of material tape; 107. upper level Wen Bujuan; 108. a lower level Wen Bujuan; 109. a protective film roll; 110. upper layer high temperature cloth; 111. a lower layer of high-temperature cloth; 112. a protective film; 113. thermally transferring the finished film; 114. five layers of laminated material; 115. four layers of laminate; 116. a traction tool apron; 117. a traction roller; 200. a discharging device; 201. a first material belt discharging shaft; 202. a second material belt discharging shaft; 203. the upper layer high temperature cloth discharging shaft; 204. a lower layer high temperature cloth discharging shaft; 205. a protective film discharging shaft; 206. a fixing plate; 207. a through opening; 208. a fixing seat; 209. a material shaft mounting seat; 210. a deviation rectifying electric cylinder; 211. a discharging driving motor; 212. a rotation shaft; 213. a crank arm; 214. guiding the pressing shaft; 215. a rotating arm; 216. a swing cylinder; 300. heating the oven; 301. a feed opening; 302. a discharge opening; 303. the top is open; 304. a top plate; 305. a heating plate; 306. a pneumatic lever; 307. a heat radiation fan; 308. a temperature sensor; 309. a side portion is open; 310. a sidewall door panel; 400. a thermal transfer device; 401. a thermal transfer tool apron; 402. an electromagnetic heating roller is arranged; 403. a lower electromagnetic heating roller; 404. a conductive slip ring; 405. a servo electric cylinder; 406. a vertical chute; 407. square slide block; 408. the heating roller drives a servo motor; 409. a drive gear; 410. a driven gear; 500. a slitting device; 501. cutting tool apron; 502. a rotating roller; 503. a cutter roll; 600. a material receiving device; 601. a first web liner film take-up spool; 602. an upper layer high temperature cloth winding shaft; 603. a second web liner film take-up spool; 604. a first finished product winding shaft; 605. a second product take-up shaft; 606. a protective film winding shaft; 607. the lower layer high temperature cloth winding shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Example 1
As shown in fig. 1 to 10 together, the membrane electrode integrated thermal transfer slitting device comprises a frame 100, wherein a discharging device 200, a thermal radiation reinforcing device, a thermal transfer device 400, a slitting device 500 and a receiving device 600 are arranged on the frame 100.
In the present embodiment, the first material belt 101 and the second material belt 102 used in the thermal transfer process are respectively configured as follows: the first web 101 includes a first web liner 103 and a cathode catalyst layer, and the second web 102 includes a second web liner 104 and an anode catalyst layer.
The discharging device 200 includes a first discharging shaft 201, a second discharging shaft 202, an upper high temperature discharging shaft 203, a lower high temperature discharging shaft 204, and a protective film discharging shaft 205, where the first discharging shaft 201, the second discharging shaft 202, the upper high temperature discharging shaft 203, the lower high temperature discharging shaft 204, and the protective film discharging shaft 205 are rotatably mounted on the frame 100, in this embodiment, the upper high temperature discharging shaft 203 is driven by an upper high temperature discharging servo motor (not shown in the figure) for placing the upper high Wen Bujuan, the lower high temperature discharging shaft 204 is driven by a lower high temperature discharging servo motor (not shown in the figure) for placing the lower high temperature discharging 108, the protective film discharging shaft 205 is driven by a protective film discharging servo motor (not shown in the figure) for placing the protective film 109, and the upper high temperature discharging shaft 203, the lower high temperature discharging shaft 204, and the protective film discharging shaft 205 are respectively disposed on the upper high temperature layer 110, the lower high temperature discharging shaft 111, and the protective film discharging 112.
In the present invention, the upper layer high temperature cloth 110 and the lower layer high temperature cloth 111 sandwich the first material belt 101 and the second material belt 102 therebetween, and prevent the first material belt 101 and the second material belt 102 from being burnt down by directly contacting the thermal transfer device 400, thereby realizing high temperature protection of the first material belt 101 and the second material belt 102, and the protection film 112 is disposed under the thermal transfer product film 113 for supporting and protecting the cathode catalyst layer in the thermal transfer product film 113 in the slitting device 500.
As shown in fig. 1-4 together, the thermal transfer device 400 includes a thermal transfer blade holder 401, an upper electromagnetic heating roller 402 and a lower electromagnetic heating roller 403 are rotatably mounted on the thermal transfer blade holder 401, and a transfer pressure adjusting mechanism is connected to the upper electromagnetic heating roller 402, and in the present invention, conductive slip rings 404 are mounted on each of the upper electromagnetic heating roller 402 and the lower electromagnetic heating roller 403, and the upper electromagnetic heating roller 402 and the lower electromagnetic heating roller 403 are energized by the conductive slip rings 404, so that the upper electromagnetic heating roller 402 and the lower electromagnetic heating roller 403 generate heat, and thus, when the five-layer laminated material 114 passes through a roll gap between the upper electromagnetic heating roller 402 and the lower electromagnetic heating roller 403, the upper electromagnetic heating roller 402 and the lower electromagnetic heating roller 403 heat and apply pressure to the five-layer laminated material 114 synchronously, thereby thermally transferring the anode catalyst layer onto the proton exchange membrane.
The slitting device 500 is used for slitting the thermal transfer finished film 113 formed after thermal transfer.
The material collecting device 600 includes a first material film collecting shaft 601, an upper layer high temperature cloth collecting shaft 602, a second material film collecting shaft 603, a first material film collecting shaft 604, a second material film collecting shaft 605, a protective film collecting shaft 606, and a lower layer high temperature cloth collecting shaft 607, wherein the first material film collecting shaft 601, the upper layer high temperature cloth collecting shaft 602, the second material film collecting shaft 603, the first material film collecting shaft 604, the second material film collecting shaft 605, the protective film collecting shaft 606, and the lower layer high temperature cloth collecting shaft 607 are rotatably mounted on the frame 100, in this embodiment, the first material film collecting shaft 601 is driven by a first material film collecting servo motor (not shown in the figure), the upper layer high temperature cloth collecting shaft 602 is driven by an upper layer high temperature cloth collecting servo motor (not shown in the figure), the second material film collecting shaft 603 is driven by a second material film collecting servo motor (not shown in the figure), the first material film collecting shaft 604 and the second material film collecting shaft 605 are each rotatably mounted on the frame 100, in this embodiment, the first material film collecting shaft 601 is driven by a first material film collecting servo motor (not shown in the figure), the upper layer high temperature cloth collecting servo motor (not shown in the figure), and the protective film collecting shaft (not shown in the figure) is driven by a lower layer high temperature cloth servo motor (not shown in the drawing).
In the invention, the first material belt lining film winding shaft 601, the upper layer high temperature cloth winding shaft 602, the second material belt lining film winding shaft 603, the protective film winding shaft 606 and the lower layer high temperature cloth winding shaft 607 are arranged, so that the purpose of automatically removing the first material belt lining film 103, the upper layer high temperature cloth 110, the second material belt lining film 104, the protective film 112 and the lower layer high temperature cloth 111 is achieved, and the smooth winding of the thermal transfer finished film 113 formed after the completion of thermal transfer is ensured; the lower-layer high-temperature cloth 111 is peeled off before slitting, and the slitting device 500 does not cut the upper-layer high-temperature cloth 110, so that the upper-layer high-temperature cloth 110 and the lower-layer high-temperature cloth 111 can be reused, and waste of the lower-layer high-temperature cloth 111 and the upper-layer high-temperature cloth 110 is avoided.
As shown in fig. 1, 2 and 5 together, the heat radiation reinforcing apparatus includes two heating ovens 300, wherein one heating oven 300 is disposed at the upstream of the heat transfer apparatus 400, the other heating oven 300 is disposed at the downstream of the heat transfer apparatus 400, a feeding opening 301 is disposed on a front wall plate of each heating oven 300 along the advancing direction of the first material belt 101, a discharging opening 302 is disposed on a rear wall plate of the heating oven 300, the feeding opening 301 is disposed opposite to the discharging opening 302, a top opening 303 is disposed at the top of the heating oven 300, a top plate 304 is hinged at the top opening 303, a heating plate 305 is fixedly mounted on an inner wall of the top plate 304, a pneumatic rod 306 is commonly hinged between the top plate 304 and the heating oven 300, a cooling fan 307 and a temperature sensor 308 are mounted on a side wall plate of the heating oven 300, a side wall plate 310 is hinged at the side wall plate 309, and in this embodiment, the heating plate 305 is a ceramic heating plate.
In the invention, the upstream heating oven 300 plays a role in preheating the first material belt 101, the first material belt 101 enters the heating oven 300 from the feeding opening 301 and leaves the heating oven 300 through the discharging opening 302, the heating plate 305 heats the first material belt 101 by heat radiation, and the temperature sensor 308 is used for monitoring the heating temperature of the upper surface of the first material belt 101 in real time; the downstream heating oven 300 plays a role in carrying out heat radiation heating reinforcement on the heat transfer effect of the anode catalyst layer and the proton exchange membrane, five-layer laminated material 114 enters the heating oven 300 from the feeding opening 301, and leaves the heating oven 300 through the discharging opening 302, and the heating plate 305 carries out heat radiation heating on the five-layer laminated material 114, so that the temperature reduction speed of the five-layer laminated material 114 is slowed down, the anode catalyst layer can be firmly compounded on the proton exchange membrane, the heat transfer effect of the anode catalyst layer is improved, and the quality of a finished membrane electrode product and the yield of the membrane electrode are improved.
As shown in fig. 2 and 10 together, the slitting device 500 includes a slitting blade holder 501, a rotating roller 502 and a slitting blade roller 503 are rotatably mounted on the slitting blade holder 501, the rotating roller 502 is disposed above the slitting blade roller 503, in this embodiment, the rotating roller 502 and the slitting blade roller 503 are driven by a slitting driving servo motor (not shown in the drawing) through gear transmission, and the slitting blade roller 503 is slit into two strips through the protective film 112, the thermal transfer finished film 113 and the second material strip liner film 104 of the slitting device 500 in the rotating process, so that the width of the thermal transfer finished film 113 meets the use requirement of the next process, and therefore, no additional slitting equipment is needed to slit the thermal transfer finished film 113, thereby simplifying the processing flow of the thermal transfer finished film 113 and improving the production efficiency of the film electrode.
As shown in fig. 1, fig. 2, fig. 6-fig. 9 together, the first material belt discharging shaft 201 and the second material belt discharging shaft 202 are connected with an axial deviation rectifying mechanism, each axial deviation rectifying mechanism comprises a fixed plate 206 fixed on the frame 100, each fixed plate 206 is provided with a through opening 207, the first material belt discharging shaft 201 and the second material belt discharging shaft 202 respectively pass through the corresponding through openings 207, a fixed seat 208 is fixed on the outer wall of each fixed plate 206, a first material shaft mounting seat 209 is slidably mounted on each fixed seat 208, each material shaft mounting seat 209 slides along the axial direction of the first material belt discharging shaft 201, each material shaft mounting seat 209 is driven by a deviation rectifying electric cylinder 210 to slide, the first material belt discharging shaft 201 and the second material belt discharging shaft 202 are respectively rotatably mounted on the corresponding material shaft mounting seats 209, a discharging driving motor 211 is fixedly mounted on each material shaft mounting seat 209, the first material belt discharging shaft 201 and the second material belt discharging shaft 202 respectively correspond to the first material belt discharging shaft 101 or the second material belt discharging shaft 202, and the first material belt 101 and the second material belt 101 can be accurately and axially discharged by the first material belt discharging shaft 101 or the second material belt discharging shaft 202.
Furthermore, one side of the first and second tape discharging shafts 201 and 202 is provided with a tape tensioning mechanism.
The material belt tensioning mechanism comprises a rotating shaft 212 rotatably arranged on a fixed plate 206, wherein the rotating shaft 212 extends along the axial direction of a first material belt discharging shaft 201, two ends of the rotating shaft 212 are respectively fixedly provided with a crank arm 213, a guide pressing shaft 214 is hinged between the two crank arms 213 together, the guide pressing shaft 214 extends along the axial direction of the rotating shaft 212, a rotating arm 215 is fixedly arranged on the rotating shaft 212, a swinging cylinder 216 is hinged between the free end of the rotating arm 215 and the fixed plate 206 together, and the swinging cylinder 216 drives the guide pressing shaft 214 to swing around the rotating shaft 212 through the expansion and contraction of a piston rod, so that the guide pressing shaft 214 always abuts against the first material belt 101 or the second material belt 102, damage to the first material belt 101 and the second material belt 102 due to random tension change is avoided, the material discharging stability of the first material belt 101 and the second material belt 102 is improved, and the quality of a membrane electrode finished product is ensured.
As shown in fig. 1-4 together, the transfer printing pressure adjusting mechanism comprises two vertically arranged servo electric cylinders 405, the cylinder body of each servo electric cylinder 405 is fixed on a thermal transfer printing tool apron 401, two vertical plates of the thermal transfer printing tool apron 401 are respectively provided with a vertical sliding groove 406, two ends of an upper electromagnetic heating roller 402 are respectively restrained and installed in the corresponding vertical sliding grooves 406 through a square sliding block 407, each square sliding block 407 is fixedly connected with a push rod of the corresponding servo electric cylinder 405, in the invention, the servo electric cylinders 405 can drive the upper electromagnetic heating roller 402 to adjust the position in the vertical direction, so that a worker can adjust the size of a roll gap between the upper electromagnetic heating roller 402 and the lower electromagnetic heating roller 403 and the rolling force of the upper electromagnetic heating roller 402 on the five-layer laminated material 114 according to actual needs, thereby meeting the requirements of different working conditions, ensuring that an anode catalyst layer is smoothly thermally transferred onto a proton exchange film, and further improving the efficiency of thermal transfer printing work and the thermal transfer printing effect; meanwhile, a built-in position sensor is arranged in the servo electric cylinder 405, so that the position adjustment of the upper electromagnetic heating roller 402 in the vertical direction can be accurately detected.
As shown in fig. 1, 2 and 10 together, a first traction device is arranged between the thermal transfer device 400 and the heating oven 300 positioned at the upstream, a second traction device is arranged between the thermal transfer device 400 and the heating oven 300 positioned at the downstream, and a third traction device is arranged between the heating oven 300 positioned at the downstream and the slitting device 500.
The first traction device, the second traction device and the third traction device comprise a traction tool apron 116, and each traction tool apron 116 is rotatably provided with two traction rollers 117, and in the invention, each traction roller 117 is driven by a traction driving servo motor (not shown) through gear transmission.
As shown in fig. 4, two ends of the upper electromagnetic heating roller 402 are respectively rotatably mounted on the corresponding square sliding blocks 407, two ends of the lower electromagnetic heating roller 403 are respectively rotatably mounted on two vertical plates of the thermal transfer tool apron 401, the lower electromagnetic heating roller 403 is in transmission connection with a heating roller driving servo motor 408, a driving gear 409 is fixedly mounted on the lower electromagnetic heating roller 403, a driven gear 410 is fixedly mounted on the upper electromagnetic heating roller 402, and the driven gear 410 is meshed with the driving gear 409.
Example two
As shown in fig. 10, a thermal transfer slitting process using the above-mentioned membrane electrode integrated thermal transfer slitting device specifically includes the following steps:
S1, a first material belt roll 105 is placed on a first material belt discharging shaft 201, a second material belt roll 106 is placed on a second material belt discharging shaft 202, axial position adjustment is carried out on the first material belt discharging shaft 201 and the second material belt discharging shaft 202 by utilizing an axial deviation correcting mechanism, so that position deviation correction of the first material belt 101 and the second material belt 102 is realized, in the invention, a piston rod of a deviation correcting cylinder 210 stretches to drive the first material belt discharging shaft 201 and the second material belt discharging shaft 202 to carry out axial position adjustment, and therefore position deviation correction is carried out on the first material belt 101 and the second material belt 102, so that the first material belt 101 and the second material belt 102 are aligned with a thermal transfer device 400 positioned at the downstream.
S2, the first material belt discharging shaft 201 rotates to drive the first material belt roll 105 to perform unreeling, the second material belt discharging shaft 202 rotates to drive the second material belt roll 106 to perform unreeling, the unreeled first material belt 101 enters the heating oven 300 positioned at the upstream to be preheated under the traction and transportation of the first traction device, then the first material belt lining film 103 on the first material belt 101 is collected through the first material belt lining film collecting shaft 601, the first material belt lining film 103 is peeled off from the upper surface of the first material belt 101, and then the unreeled second material belt 102 is attached to the upper surface of the first material belt 101.
In the invention, two discharging driving motors 211 are started simultaneously to respectively drive a first material belt discharging shaft 201 and a second material belt discharging shaft 202 to rotate, the first material belt 101 and the second material belt 102 are discharged, the discharged first material belt 101 firstly passes through a heating oven 300 positioned at the upstream, the heating oven 300 is utilized to preheat the first material belt 101, a traction driving servo motor drives a traction roller 117 to rotate, the preheated first material belt 101 passes through the space between the two traction rollers 117 and moves forward under the traction of the traction roller 117, the first material belt 101 is peeled off from the first material belt 101 after leaving the first traction device, the first material belt lining film 103 is automatically collected by utilizing a rotating first material belt lining film collecting shaft 601, and then the discharged second material belt 102 is attached to the upper surface of the first material belt 101, so that an anode catalyst layer on the second material belt 102 is attached to a proton exchange film on the first material belt 101.
S3, the upper high-temperature cloth discharging shaft 203, the lower high-temperature cloth discharging shaft 204 and the protective film discharging shaft 205 rotate to discharge the upper high-temperature cloth 110, the lower high-temperature cloth 111 and the protective film 112, before entering the thermal transfer device 400, the upper high-temperature cloth 110 is positioned above the second material belt 102, the protective film 112 is positioned below the first material belt 101, and the lower high-temperature cloth 111 is positioned below the protective film 112, five layers of materials which sequentially comprise the upper high-temperature cloth 110, the second material belt 102, the first material belt 101, the protective film 112 and the lower high-temperature cloth 111 are formed, and deviation correcting components can be arranged on one sides of the upper high-temperature cloth discharging shaft 203 and the lower high-temperature cloth discharging shaft 204 to correct the positions of the upper high-temperature cloth 110 and the lower high-temperature cloth 111, so that the upper high-temperature cloth 110 and the lower high-temperature cloth 111 are completely aligned with the second material belt 102 and the first material belt 101, and the first material belt 101 can be ensured.
In the present invention, the upper high temperature cloth 110 is unwound by the rotating upper high temperature cloth unwinding shaft 203, the unwound upper high temperature cloth 110 is attached to the upper surface of the second material belt 102 under the guide of the turning guide roller, the protective film 112 is unwound by the rotating protective film unwinding shaft 205, the unwound protective film 112 is attached to the lower surface of the first material belt 101 under the guide of the turning guide roller, the lower high temperature cloth 111 is unwound by the rotating lower high temperature cloth unwinding shaft 204, and the unwound lower high temperature cloth 111 is attached to the lower surface of the protective film 112 under the guide of the turning guide roller, thereby forming five layers of materials in which the upper high temperature cloth 110, the second material belt 102, the first material belt 101, the protective film 112 and the lower high temperature cloth 111 are sequentially arranged.
S4, under the traction conveying of a second traction device, five layers of materials are laminated together when entering a thermal transfer device 400, then the five layers of laminated materials 114 pass through a roll gap between an upper electromagnetic heating roll 402 and a lower electromagnetic heating roll 403, in the process, the five layers of laminated materials 114 are heated and rolled by the rotating upper electromagnetic heating roll 402 and lower electromagnetic heating roll 403, so that an anode catalyst layer on a second material belt 102 is thermally transferred onto a proton exchange membrane of a first material belt 101.
And S5, under the traction and transportation of a third traction device, the five-layer laminated material 114 passes through a heating oven 300 positioned at the downstream, the five-layer laminated material 114 is heated and reinforced by heat radiation by the heating oven 300, the five-layer laminated material 114 leaving the heating oven 300 receives the lower-layer high-temperature cloth 111 in the five-layer laminated material 114 by a lower-layer high-temperature cloth receiving shaft 607 before entering the slitting device 500, and a four-layer laminated material 115 sequentially comprising an upper-layer high-temperature cloth 110, a second material tape lining film 104, a heat transfer finished film 113 and a protective film 112 is formed.
S6, slitting the four-layer laminated material 115 by using a slitting device 500, slitting the second material tape lining film 104, the heat transfer finished film 113 and the protective film 112 in the four-layer laminated material 115 from the middle, then collecting the two split protective films 112 by using a protective film winding shaft 606, collecting the upper layer high-temperature cloth 110 by using an upper layer high-temperature cloth winding shaft 602, collecting the two split second material tape lining films 104 by using a second material tape lining film winding shaft 603, and collecting the two split heat transfer finished films 113 by using a first product winding shaft 604 and a second product winding shaft 605 respectively, wherein the structures of the heat transfer finished film 113 are an anode catalyst layer, a proton exchange film and a cathode catalyst layer.
In the invention, a slitting driving servo motor drives a rotating roller 502 and a slitting knife roller 503 to rotate, four layers of laminated materials 115 pass through between the rotating roller 502 and the slitting knife roller 503, the rotating slitting knife roller 503 continuously slits the protective film 112, the thermal transfer finished film 113 and the second material tape backing film 104, after four layers of laminated materials 115 leave the slitting device 500, the upper layer high-temperature cloth 110 is automatically rolled by a rotating upper layer high-temperature cloth rolling shaft 602, the upper layer high-temperature cloth 110 is peeled off from the top of the second material tape backing film 104, the second material tape backing film 104 which is divided into two strips by the rotating second material tape backing film rolling shaft 603 is automatically rolled, the second material tape backing film 104 is peeled off from the top of the thermal transfer finished film 113, the two thermal transfer finished films 113 are respectively rolled by a rotating first product rolling shaft 604 and a second product rolling shaft 605, the thermal transfer finished film 113 is peeled off from the protective film 112, and the two protective films 112 are automatically rolled by a rotating protective film rolling shaft 606.
In conclusion, the membrane electrode integrated thermal transfer slitting equipment and the thermal transfer slitting process thereof realize the thermal transfer printing work of the anode catalyst layer, effectively reduce the swelling phenomenon after the proton exchange membrane is sprayed with the catalyst layer, ensure the composite effect of the anode catalyst layer and the proton exchange membrane, and improve the production efficiency and the yield of the membrane electrode.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The integrated heat transfer slitting process for the membrane electrode of the fuel cell is characterized by using integrated heat transfer slitting equipment for the membrane electrode, wherein the equipment comprises a frame, and a discharging device, a heat radiation reinforcing device, a heat transfer device, a slitting device and a receiving device are arranged on the frame;
the discharging device comprises a first material belt discharging shaft, a second material belt discharging shaft, an upper layer high-temperature discharging shaft, a lower layer high-temperature discharging shaft and a protective film discharging shaft, wherein the first material belt discharging shaft, the second material belt discharging shaft, the upper layer high-temperature discharging shaft, the lower layer high-temperature discharging shaft and the protective film discharging shaft are all rotatably arranged on the frame;
the heat radiation reinforcing device comprises two heating ovens, one of the heating ovens is arranged at the upstream of the heat transfer printing device, the other heating oven is arranged at the downstream of the heat transfer printing device, a feeding opening is formed in the front wall plate of each heating oven along the advancing direction of a first material belt, a discharging opening is formed in the rear wall plate of each heating oven, the feeding opening and the discharging opening are oppositely arranged, a top opening is formed in the top of each heating oven, a top plate is hinged to the top opening, a heating plate is fixedly arranged on the inner wall of each top plate, a pneumatic rod is hinged between each top plate and each heating oven, a cooling fan and a temperature sensor are arranged on one side wall plate of each heating oven, a side opening is formed in the other side wall of each heating oven, and a side wall door plate is hinged to the side opening;
The thermal transfer device comprises a thermal transfer tool apron, an upper electromagnetic heating roller and a lower electromagnetic heating roller are rotatably arranged on the thermal transfer tool apron, and the upper electromagnetic heating roller is connected with a transfer pressure adjusting mechanism;
a first traction device is arranged between the thermal transfer device and the heating oven positioned at the upstream, a second traction device is arranged between the thermal transfer device and the heating oven positioned at the downstream, and a third traction device is arranged between the heating oven positioned at the downstream and the slitting device;
the slitting device is used for slitting the thermal transfer finished film formed after the thermal transfer;
the material collecting device comprises a first material belt lining film collecting shaft, an upper layer high-temperature cloth collecting shaft, a second material belt lining film collecting shaft, a first finished product collecting shaft, a second finished product collecting shaft, a protective film collecting shaft and a lower layer high-temperature cloth collecting shaft, wherein the first material belt lining film collecting shaft, the upper layer high-temperature cloth collecting shaft, the second material belt lining film collecting shaft, the first finished product collecting shaft, the second finished product collecting shaft, the protective film collecting shaft and the lower layer high-temperature cloth collecting shaft are all rotatably arranged on the frame;
the thermal transfer slitting process specifically comprises the following steps:
S1, a first material belt roll is placed on a first material belt discharging shaft, a second material belt roll is placed on a second material belt discharging shaft, and axial position adjustment is carried out on the first material belt discharging shaft and the second material belt discharging shaft by using an axial deviation correcting mechanism, so that deviation correction on the positions of the first material belt and the second material belt is realized;
s2, the first material belt discharging shaft rotates to drive the first material belt to be unwound, the second material belt discharging shaft rotates to drive the second material belt to be unwound, the unwound first material belt firstly enters the heating oven positioned at the upstream to be preheated under the traction and transportation of the first traction device, then the first material belt lining film on the first material belt is collected through the first material belt lining film collecting shaft, the first material belt lining film is peeled off from the upper surface of the first material belt, and then the unwound second material belt is attached to the upper surface of the first material belt;
s3, rotating the upper high-temperature cloth discharging shaft, the lower high-temperature cloth discharging shaft and the protective film discharging shaft to discharge the upper high-temperature cloth, the lower high-temperature cloth and the protective film, and before entering the thermal transfer printing device, enabling the upper layer height Wen Buwei to be above the second material belt, the protective film to be positioned below the first material belt and the lower layer height Wen Buwei to be positioned below the protective film, so as to form a five-layer material sequentially provided with the upper high-temperature cloth, the second material belt, the first material belt, the protective film and the lower high-temperature cloth;
S4, under the traction and transportation of the second traction device, the five layers of materials are laminated together when entering the thermal transfer device, then the five layers of laminated materials pass through a roll gap between the upper electromagnetic heating roll and the lower electromagnetic heating roll, and in the process, the five layers of laminated materials are heated and rolled by the upper electromagnetic heating roll and the lower electromagnetic heating roll in rotation, so that the anode catalyst layer on the second material belt is thermally transferred onto the proton exchange membrane of the first material belt;
s5, under the traction and transportation of the third traction device, the five-layer laminated material passes through the heating oven positioned at the downstream, the five-layer laminated material is heated and reinforced by heat radiation through the heating oven, the five-layer laminated material leaving the heating oven is subjected to material collection through the lower-layer high-temperature cloth collecting shaft before entering the slitting device, and a four-layer laminated material sequentially provided with the upper-layer high-temperature cloth, the second material lining film, the heat transfer finished film and the protective film is formed;
s6, slitting the four-layer laminated material by utilizing the slitting device, slitting the second material strip lining film, the thermal transfer finished film and the protective film in the four-layer laminated material from the middle, then utilizing the protective film winding shaft to collect the protective film which is split into two strips, utilizing the upper high-temperature cloth winding shaft to collect the upper high-temperature cloth, utilizing the second material strip lining film winding shaft to collect the second material strip lining film which is split into two strips, and utilizing the first product winding shaft and the second product winding shaft to collect the two thermal transfer finished films formed after slitting respectively, wherein the structure of the thermal transfer finished film is an anode catalyst layer, a proton exchange film and a cathode catalyst layer.
2. The integrated thermal transfer slitting process for a fuel cell membrane electrode according to claim 1 wherein the slitting device comprises a slitting blade holder, a rotating roller and a slitting blade roller are rotatably mounted on the slitting blade holder, and the rotating roller is disposed above the slitting blade roller.
3. The integrated thermal transfer slitting process of a fuel cell membrane electrode according to claim 1, wherein the first material belt discharging shaft and the second material belt discharging shaft are connected with an axial deviation correcting mechanism, each axial deviation correcting mechanism comprises a fixed plate fixed on the frame, each fixed plate is provided with a through opening, the first material belt discharging shaft and the second material belt discharging shaft respectively pass through the corresponding through openings, a fixed seat is fixed on the outer wall of each fixed plate, each fixed seat is provided with a material shaft mounting seat in a sliding manner, each material shaft mounting seat slides along the axial direction of the first material belt discharging shaft, each material shaft mounting seat is driven by a deviation correcting electric cylinder, the first material belt discharging shaft and the second material belt discharging shaft are respectively rotatably mounted on the corresponding material shaft mounting seat, each material shaft mounting seat is fixedly provided with a material belt discharging driving motor, and the first material belt discharging shaft and the second material belt discharging shaft are respectively connected with the driving motor;
One side of the first material belt discharging shaft and one side of the second material belt discharging shaft are respectively provided with a material belt tensioning mechanism.
4. The integrated thermal transfer slitting process of a fuel cell membrane electrode according to claim 3 wherein the material belt tensioning mechanism comprises a rotating shaft rotatably mounted on the fixed plate, the rotating shaft extends along the axial direction of the first material belt discharging shaft, two ends of the rotating shaft are respectively fixedly provided with a crank arm, a guide pressing shaft is hinged between the two crank arms, the guide pressing shaft extends along the axial direction of the rotating shaft, a rotating arm is fixedly mounted on the rotating shaft, and a swinging cylinder is hinged between the free end of the rotating arm and the fixed plate.
5. The integrated thermal transfer slitting process of a fuel cell membrane electrode according to claim 1, wherein the transfer pressure adjusting mechanism comprises two vertically arranged servo electric cylinders, a cylinder body of each servo electric cylinder is fixed on the thermal transfer knife holder, two vertical plates of the thermal transfer knife holder are respectively provided with a vertical sliding groove, two ends of the upper electromagnetic heating roller are respectively restrained and installed in the corresponding vertical sliding grooves through square sliding blocks, and each square sliding block is fixedly connected with a push rod corresponding to the servo electric cylinder.
6. The integrated thermal transfer slitting process for a fuel cell membrane electrode according to claim 1 wherein the first traction device, the second traction device and the third traction device each comprise a traction blade holder, and two traction rollers are rotatably mounted on each traction blade holder.
7. The integrated thermal transfer slitting process for fuel cell membrane electrodes according to claim 5 wherein two ends of the upper electromagnetic heating roller are respectively rotatably mounted on the square slide block, two ends of the lower electromagnetic heating roller are respectively rotatably mounted on two vertical plates of the thermal transfer knife holder, the lower electromagnetic heating roller is in transmission connection with a heating roller driving servo motor, a driving gear is fixedly mounted on the lower electromagnetic heating roller, a driven gear is fixedly mounted on the upper electromagnetic heating roller, and the driven gear is meshed with the driving gear.
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| CN117594812B (en) * | 2024-01-19 | 2024-03-29 | 山东华滋自动化技术股份有限公司 | Membrane electrode catalyst waste recovery device |
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