Negative electrode laminating device for fuel cell membrane electrode production and production process

Abstract

The application discloses a negative electrode attaching device for fuel cell membrane electrode production and a production process, and belongs to the technical field of fuel cell membrane electrode production. The negative electrode attaching device for fuel cell membrane electrode production comprises a rotating table device, wherein the rotating table device comprises a rotating disc, a plurality of guide plates are arranged on the rotating disc, a bearing plate is arranged on the top surface of each guide plate, a plurality of first through holes and a plurality of second through holes are formed in the bearing plate, a plurality of convex rings are arranged on the top surface of each guide plate and are in contact with the bottom surface of the bearing plate, the area surrounded by the convex rings forms a carbon paper bearing station on the corresponding area of the top surface of the bearing plate, a first air hole surrounded by the corresponding convex ring is formed in the top surface of each guide plate, and a plurality of second air holes are formed in the top surface of each guide plate; and an air path mechanism is arranged in each guide plate, so that the first air hole and the second air hole are respectively communicated with an air source, thereby realizing that only the first through holes in the corresponding area of the carbon paper are adsorbed by the negative pressure when the carbon paper is adsorbed, and the solidification of the glue after the carbon paper is glued is avoided due to the air flow generated by the excess first through holes around the carbon paper.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electrical elements, and particularly relates to a fuel cell, in particular to a negative electrode lamination device for fuel cell membrane electrode production and a production process. BACKGROUND

[0002] In the preparation process of the membrane electrode of the fuel cell, carbon paper and graphite plate need to be hot-pressed. Before hot-pressing, the carbon paper needs to be loaded. The fixing mode of the carbon paper after loading is to use a negative pressure adsorption mode. After the carbon paper is glued, the airflow generated by the air holes around the carbon paper for negative pressure adsorption can cause the glue on the carbon paper to solidify, which affects the connection quality of the carbon paper and the graphite plate during subsequent hot-pressing, and causes the carbon paper to wrinkle.

[0003] Therefore, due to the technical problem that the airflow generated by the air holes around the carbon paper for negative pressure adsorption can cause the glue on the carbon paper to solidify, specifically, since the hot-pressing time and temperature are preset, if the surface and the inside of the glue are not consistent in temperature due to the airflow generated by the air holes for negative pressure adsorption before hot-pressing, the surface of the glue solidifies, which affects the connection quality of the carbon paper and the graphite plate, and causes the carbon paper to wrinkle.

[0004] Therefore, in order to avoid the temperature difference of the glue before hot-pressing, a negative electrode lamination device for fuel cell membrane electrode production and a production process need to be designed.

[0005] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background of the present application, and therefore, the above description is not considered to constitute information of the prior art. SUMMARY

[0006] The present application at least provides a negative electrode lamination device for fuel cell membrane electrode production and a production process.

[0007] In a first aspect, the present application provides a negative electrode lamination device for fuel cell membrane electrode production, comprising:

[0008] A turntable device, comprising: a turntable;

[0009] A plurality of guide plates are arranged on the turntable, and the top surface of each guide plate is provided with a bearing plate;

[0010] A plurality of first through holes and a plurality of second through holes are arranged on the bearing plate;

[0011] The top surface of the guide plate is provided with a plurality of convex rings, the convex rings are in contact with the bottom surface of the bearing plate, and the area surrounded by the convex rings forms a carbon paper bearing station on the corresponding area of the top surface of the bearing plate;

[0012] The top surface of the guide plate is provided with a first air hole surrounded by the corresponding convex ring, and a plurality of second air holes are arranged.

[0013] The guide plate is provided with an air path mechanism to make the first air holes and the second air holes respectively communicate with the air source;

[0014] When the first air holes communicate with the air source through the air path mechanism, the air in the area surrounded by the convex ring is extracted through the air source to be adsorbed by the carbon paper through the corresponding first through holes in the carbon paper bearing station;

[0015] When the hot pressing device outside the rotating disc hot-presses the carbon paper and the graphite plate, the second air holes communicate with the air source through the air path mechanism to make the second through holes generate air flow.

[0016] In an alternative embodiment, the air path mechanism comprises a first flow channel, a second flow channel and a C-shaped slider;

[0017] The first flow channel and the second flow channel are both arranged in the guide plate, and the first flow channel communicates with each of the first air holes;

[0018] The second flow channel communicates with each of the second air holes;

[0019] One end of the second flow channel is arranged open at the bottom surface of the guide plate;

[0020] The sidewall of the guide plate is provided with a connecting air hole to connect the air source;

[0021] The bottom surface of the guide plate is provided with a groove, the connecting air hole communicates with the groove, and the first flow channel communicates with the groove;

[0022] One end of the C-shaped slider is slidingly arranged in the groove, and the other end is aligned with the opening of the second flow channel;

[0023] The C-shaped slider is provided with a recess on one side close to the connecting air hole, and a third flow channel is arranged inside, one end of the third flow channel communicates with the recess, and the other end is aligned with the opening of the second flow channel.

[0024] In an alternative embodiment, when the recess completely extends out of the groove, the connecting air hole communicates with the first flow channel through the groove to make the air source communicate with the first through hole;

[0025] When the recess completely extends into the groove, the other end of the C-shaped slider extends into the second flow channel, and at this time the connecting air hole communicates with the second flow channel through the third flow channel to make the air source communicate with the second through hole.

[0026] In an alternative embodiment, a column is vertically arranged on the C-shaped slider, and the bottom surface of the column is a spherical surface;

[0027] The C-shaped slider is connected to the top surface in the groove through a first spring.

[0028] In an alternative embodiment, the guide plate is arranged on the mounting plate, and the rotating disc is provided with a lifting hole corresponding to the mounting plate;

[0029] The bottom surface of the mounting plate is provided with a protrusion, the protrusion passes through the corresponding lifting hole, and the column passes through the rotating disc and extends downward from the bottom surface of the rotating disc;

[0030] The bottom surface of the mounting plate is provided with a pair of mounting strips, and the mounting strips are connected with the top surface of the rotating disc through a second spring;

[0031] The bottom surface of the mounting strip is provided with a plurality of first guide columns, and the first guide columns pass through the rotating disc.

[0032] In an alternative embodiment, a decompression device is arranged below the rotating disc, and the decompression device comprises a support plate;

[0033] The support plate is located below the rotating disc, and the bottom surface of the support plate is provided with a plurality of support columns;

[0034] The top surface of the support plate is provided with a decompression plate, and the bottom surface of the decompression plate is provided with a plurality of second guide columns, and the second guide columns pass through the support plate;

[0035] The bottom end of the guide column is provided with a mounting ring, and a third spring is arranged between the mounting ring and the bottom surface of the support plate, and the third spring is sleeved on the second guide column;

[0036] The side wall of the decompression plate is provided with a protrusion;

[0037] When the rotating disc rotates to move one of the mounting plates towards the decompression plate, the column contacts the protrusion to drive the C-shaped slider to move upward.

[0038] In an alternative embodiment, a hot pressing device is arranged outside the rotating disc, and the hot pressing device comprises a bracket, a gas cylinder and a hot pressing plate;

[0039] The gas cylinder is arranged on the bracket;

[0040] The hot pressing plate is arranged on the telescopic end of the gas cylinder;

[0041] The hot pressing plate is located above the decompression plate;

[0042] The gas cylinder is adapted to drive the hot pressing plate to move up and down.

[0043] In an alternative embodiment, a first feeding device, a dispensing device and a second feeding device are arranged outside the rotating disc;

[0044] The first feeding device is adapted to place the carbon paper on the carbon paper carrying station;

[0045] The dispensing device is suitable for dispensing on the carbon paper;

[0046] The second feeding device is suitable for placing the graphite plate on the carbon paper after dispensing;

[0047] The hot pressing device is suitable for hot pressing the carbon paper and the graphite plate.

[0048] In an optional embodiment, the first feeding device, the dispensing device, the second feeding device and the hot pressing device are electrically connected with the control module;

[0049] The bottom surface of the turntable is provided with a driving motor electrically connected with the control module, so as to control the driving motor to drive the turntable to rotate through the control module, so that the carrier plate sequentially passes through the first feeding device, the dispensing device, the second feeding device and the hot pressing device.

[0050] In a second aspect, the embodiments of the present disclosure also provide a production process of a negative lamination device for producing a fuel cell membrane electrode, comprising:

[0051] The first feeding device places the carbon paper on the carbon paper carrying station;

[0052] The dispensing device dispenses on the carbon paper;

[0053] The second feeding device places the graphite plate on the carbon paper after dispensing;

[0054] The hot pressing device hot presses the carbon paper and the graphite plate;

[0055] After the carbon paper is placed on the carbon paper carrying station, the first air hole is communicated with the gas source through the gas path mechanism, and the gas in the area surrounded by the convex ring is extracted through the gas source, so as to be negatively adsorbed by the carbon paper through the corresponding first through hole in the carbon paper carrying station;

[0056] When the hot pressing device outside the turntable hot presses the carbon paper and the graphite plate, the second air hole is communicated with the gas source through the gas path mechanism, so as to generate air flow at the second through hole.

[0057] The beneficial effects of the present application are that the negative electrode lamination equipment for fuel cell membrane electrode production comprises: a rotary table device, which comprises: a rotating disc; a plurality of guide plates are arranged on the rotating disc, and a bearing plate is arranged on the top surface of the guide plate; a plurality of first through holes and a plurality of second through holes are formed in the bearing plate; a plurality of convex rings are arranged on the top surface of the guide plate, the convex rings are in contact with the bottom surface of the bearing plate, and the area surrounded by the convex rings forms a carbon paper bearing station on the corresponding area of the top surface of the bearing plate; a first air hole surrounded by the corresponding convex ring is formed in the top surface of the guide plate, and a plurality of second air holes are formed; a gas path mechanism is arranged in the guide plate, so that the first air hole and the second air hole are respectively communicated with the gas source; when the first air hole is communicated with the gas source through the gas path mechanism, the gas in the area surrounded by the convex ring is extracted through the gas source, so as to be negatively adsorbed through the corresponding first through hole in the carbon paper bearing station; when the hot pressing device outside the rotating disc hot-presses the carbon paper and the graphite plate, the second air hole is communicated with the gas source through the gas path mechanism, so that the second through hole generates airflow, thereby realizing the negative pressure adsorption of only the first through hole of the corresponding area of the carbon paper before the carbon paper is adsorbed, avoiding the solidification of the glue caused by the airflow generated by the first through hole around the carbon paper after the carbon paper is glued, and ensuring the temperature of the glue before hot pressing.

[0058] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application will be realized and achieved by the structure particularly pointed out in the description and the appended drawings.

[0059] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0060] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0061] Figure 1 A structural schematic diagram of a rotary table device provided by the embodiment of the present disclosure is shown in the figure;

[0062] Figure 2 A structural schematic diagram of a negative electrode lamination equipment for fuel cell membrane electrode production provided by the embodiment of the present disclosure is shown in the figure;

[0063] Figure 3 A structural schematic diagram of a bearing plate provided by the embodiment of the present disclosure is shown in the figure;

[0064] Figure 4 A structural schematic diagram of a guide plate provided for an embodiment of the present disclosure;

[0065] Figure 5 A sectional view of a guide plate provided for an embodiment of the present disclosure;

[0066] Figure 6 A structural schematic diagram of a rotary table provided for an embodiment of the present disclosure;

[0067] Figure 7 A structural schematic diagram of a decompression device provided for an embodiment of the present disclosure;

[0068] Figure 8 A structural schematic diagram of a mounting plate provided for an embodiment of the present disclosure.

[0069] In the figure:

[0070] 1 rotary table device, 11 rotary table, 111 lifting hole, 12 guide plate, 121 convex ring, 122 first air hole, 123 second air hole, 124 groove, 125 connecting air hole, 13 bearing plate, 131 first through hole, 132 second through hole, 14 air path mechanism, 141 first flow channel, 142 second flow channel, 143 C-shaped slider, 144 recess, 145 first spring, 146 column body, 147 third flow channel, 15 mounting plate, 151 protrusion, 152 mounting strip, 153 second spring, 154 first guide column, 155 driving motor, 156 carbon paper bearing station;

[0071] 2 decompression device, 21 support plate, 22 support column, 23 decompression plate, 24 second guide column, 25 mounting ring, 26 third spring, 27 convex block;

[0072] 3 hot pressing device, 31 support, 32 air cylinder, 33 hot pressing plate;

[0073] 4 first feeding device;

[0074] 5 dispensing device;

[0075] 6 second feeding device. DETAILED DESCRIPTION

[0076] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0077] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” and the like generally mean the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the present disclosure. Thus, appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment. As used herein, the terms “example,” “exemplary,” and the like are used as example, instance, or illustration. Any implementation, aspect or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or advantageous over other implementations, aspects or designs. Rather, the use of the terms “example,” “exemplary,” and the like are intended to present concepts in a concrete manner.

[0078] The membrane electrode of the fuel cell needs to heat press the carbon paper and the graphite plate in the preparation process, and the carbon paper needs to be loaded before heat pressing. The fixing method of the carbon paper after loading is to use negative pressure adsorption. The air flow generated by the air holes around the carbon paper for negative pressure adsorption after the carbon paper is glued will cause the glue on the carbon paper to solidify. Specifically, since the heat pressing time and temperature are pre-set, if the temperature before heat pressing is inconsistent, the subsequent connection quality of the carbon paper and the graphite plate will be affected, causing the carbon paper to wrinkle.

[0079] The above-mentioned defects are the results of the inventors after careful research and practice, and therefore, the discovery process of the above-mentioned problems and the solutions proposed by the present disclosure to solve the above-mentioned problems should be the contributions of the inventors to the present disclosure.

[0080] It should be noted that similar reference numerals and letters refer to similar items throughout the accompanying drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0081] Some embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. The following embodiments and features in the embodiments can be combined with each other without conflict.

[0082] As Figure 1 , Figure 3 and Figure 4As shown, at least one disclosed embodiment provides a negative electrode lamination device for fuel cell membrane electrode production, comprising: a turntable device 1, comprising: a turntable 11; a plurality of guide plates 12 are arranged on the turntable 11, and a bearing plate 13 is arranged on the top surface of the guide plate 12; a plurality of first through holes 131 and a plurality of second through holes 132 are arranged on the bearing plate 13; a plurality of convex rings 121 are arranged on the top surface of the guide plate 12, the convex ring 121 is in contact with the bottom surface of the bearing plate 13, and the area surrounded by the convex ring 121 forms a carbon paper bearing station 156 on the corresponding area of the top surface of the bearing plate 13; a first gas hole 122 surrounded by the corresponding convex ring 121 is arranged on the top surface of the guide plate 12, and a plurality of second gas holes 123 are arranged; a gas path mechanism 14 is arranged in the guide plate 12 to make the first gas hole 122 and the second gas hole 123 respectively communicate with the gas source; when the first gas hole 122 communicates with the gas source through the gas path mechanism 14, the gas in the area surrounded by the convex ring 121 is extracted through the gas source, so as to be negatively adsorbed by the carbon paper through the corresponding first through hole 131 in the carbon paper bearing station 156; when the hot pressing device 3 outside the turntable 11 hot-presses the carbon paper and the graphite plate, the second gas hole 123 communicates with the gas source through the gas path mechanism 14, so as to generate airflow at the second through hole 132, thereby realizing the adsorption of the carbon paper only through the first through hole 131 in the corresponding area of the carbon paper by negative pressure, avoiding the solidification of the glue on the carbon paper caused by the airflow generated by the excess first through hole 131 around the carbon paper after dispensing.

[0083] In the embodiment, the second through hole 132 can be arranged around the first through hole 131, and the second through hole 132 is closer to the edge of the bearing plate 13.

[0084] In the embodiment, the convex ring 121 can avoid affecting the second through hole 132 around the convex ring 121 when the first gas hole 122 extracts gas, ensuring that only the gas inside the first through hole 131 is extracted to adsorb the carbon paper.

[0085] In the embodiment, after the first feeding device 4 places the carbon paper in the carbon paper bearing station 156, the first through hole 131 in the carbon paper bearing station 156 adsorbs and fixes the carbon paper, avoiding displacement of the carbon paper during rotation of the turntable 11. At this time, the second through hole 132 on the bearing plate 13 is not communicated with the gas source, and only the first through hole 131 at the carbon paper bearing station 156 adsorbs the carbon paper, and other positions will not generate airflow due to the gas source, avoiding the solidification of the glue on the carbon paper caused by the airflow of the gas source after dispensing.

[0086] As Figure 5As shown, in an alternative embodiment, the air path mechanism 14 comprises: a first flow channel 141, a second flow channel 142 and a C-shaped slider 143; the first flow channel 141 and the second flow channel 142 are both arranged in the guide plate 12, the first flow channel 141 is in communication with each of the first air holes 122; the second flow channel 142 is in communication with each of the second air holes 123; one end of the second flow channel 142 is arranged in an open manner on the bottom surface of the guide plate 12; the sidewall of the guide plate 12 is provided with a connecting air hole 125 to connect the air source; the bottom surface of the guide plate 12 is provided with a groove 124, the connecting air hole 125 is in communication with the groove 124, and the first flow channel 141 is in communication with the groove 124; one end of the C-shaped slider 143 is arranged in a sliding manner in the groove 124, and the other end is aligned with the opening of the second flow channel 142; a recess 144 is arranged on the side of the C-shaped slider 143 close to the connecting air hole 125, and a third flow channel 147 is arranged in the recess 144, one end of the third flow channel 147 is in communication with the recess 144, and the other end is aligned with the opening of the second flow channel 142.

[0087] In this embodiment, the second flow channel 142 can be arranged around the first flow channel 141, and there can be a gap between the top surface area of the guide plate 12 at the second air hole 123 and the bottom surface of the bearing plate 13, so that when one second air hole 123 is pumped, the gas in the surrounding second air holes 123 can also be pumped out, and the gas at the plurality of second through holes 132 flows towards the connecting air hole 125, so as to quickly reduce the temperature of the hot-pressed graphite plate.

[0088] In this embodiment, through the movement of the C-shaped slider 143, the recess 144 can be located in the groove 124 to make the connecting air hole 125 in communication with the third flow channel 147, so as to communicate the second flow channel 142 through the third flow channel 147, so as to make the second air hole 123 in communication with the air source, or the recess 144 can be completely extended out of the groove 124, at this time, the end of the C-shaped slider 143 can also have part of it extended into the groove 124 to block the opening of the groove 124, at this time, the connecting air hole 125 is in communication with the first flow channel 141.

[0089] In this embodiment, when the first flow channel 141 is in communication with the connecting air hole 125, the air source is pumped, so that the gas in the area surrounded by the convex ring 121 is pumped out, and the gas at the first through hole 131 flows towards the connecting air hole 125, so that the carbon paper can be adsorbed.

[0090] In this embodiment, when the second flow channel 142 is in communication with the connecting air hole 125, the air source is pumped, so that the gas at the second through hole 132 flows towards the connecting air hole 125.

[0091] In the embodiment, after the carbon paper is placed at the carbon paper carrying station 156, the carbon paper is adsorbed through the first through hole 131, at this time, the rotating disc 11 rotates, so that the carrying plate 13 passes through the glue dispensing device 5, the second feeding device 6 and the hot pressing device 3 in turn, before the carrying plate 13 moves to the hot pressing device 3, the connecting air holes 125 are all communicated with the first air holes 122 to adsorb the carbon paper, when the carrying plate 13 moves to the hot pressing device 3, the connecting air holes 125 are communicated with the second air holes 123 to make the carbon paper after hot pressing quickly cool down through the air flow at the second through hole 132.

[0092] In an alternative embodiment, when the recess 144 completely extends out of the groove 124, the connecting air holes 125 are communicated with the first flow channel 141 through the groove 124 to make the air source communicated with the first through hole 131; when the recess 144 completely extends into the groove 124, the other end of the C-shaped slider 143 extends into the second flow channel 142, at this time, the connecting air holes 125 are communicated with the second flow channel 142 through the third flow channel 147 to make the air source communicated with the second through hole 132.

[0093] In an alternative embodiment, the C-shaped slider 143 is vertically provided with a column 146, the bottom surface of the column 146 is a spherical surface. The C-shaped slider 143 and the top surface of the groove 124 are connected through the first spring 145.

[0094] In the embodiment, when the rotating disc 11 rotates to make the column 146 contact the protrusion 27, the protrusion 27 pushes against the column 146 to make the column 146 move upward, so that the recess 144 originally outside the groove 124 extends into the groove 124, when the carrying plate 13 completely moves below the hot pressing plate 33, the recess 144 completely extends into the groove 124 and is aligned with the connecting air holes 125, so that the second flow channel 142 is communicated with the air source.

[0095] In the embodiment, the first spring 145 can facilitate the reset of the C-shaped slider 143, when the column 146 does not contact other structures, the recess 144 is completely outside the groove 124, at this time, the first flow channel 141 is communicated with the connecting air holes 125, when the rotating disc 11 continues to rotate after the hot pressing is completed, the protrusion 27 no longer contacts the column 146, the first spring 145 resets to make the groove 124 extend out of the groove 124 again.

[0096] As Figure 6 and Figure 8As shown, in an optional embodiment, the guide plate 12 is arranged on the mounting plate 15, and the turntable 11 is provided with a lifting hole 111 corresponding to the mounting plate 15; the bottom surface of the mounting plate 15 is provided with a protrusion 151, and the protrusion 151 passes through the corresponding lifting hole 111, and the column 146 passes through the turntable 11 and extends downward from the bottom surface of the turntable 11, and the column 146 is not fixed to the turntable 11 so that the column 146 can move up and down; the bottom surface of the mounting plate 15 is provided with a pair of mounting bars 152, and the mounting bars 152 are connected to the top surface of the turntable 11 by a second spring 153; the bottom surface of the mounting bar 152 is provided with a plurality of first guide columns 154, and the first guide columns 154 pass through the turntable 11.

[0097] In this embodiment, when the hot press plate 33 presses down the carrier plate 13 , the second spring 153 reduces the pressure on the turntable 11 , and the second spring 153 can reset the carrier plate 13 when the hot press plate 33 no longer presses down the carrier plate 13 .

[0098] like Figure 7 As shown, in an optional embodiment, a decompression device 2 is provided under the turntable 11, which includes: a support plate 21; the support plate 21 is located under the turntable 11, and a plurality of support columns 22 are provided on the bottom surface of the support plate 21; a decompression plate 23 is provided above the top surface of the support plate 21, and a plurality of second guide columns 24 are provided on the bottom surface of the decompression plate 23, and the second guide columns 24 pass through the support plate 21, and the second guide columns 24 are not fixed to the support plate 21 so that the second guide columns 24 can move up and down; a mounting ring 25 is provided at the bottom end of the guide column, and a third spring 26 is provided between the mounting ring 25 and the bottom surface of the support plate 21, and the third spring 26 is sleeved on the second guide column 24; a protrusion 27 is provided on the side wall of the decompression plate 23; when the turntable 11 rotates and drives one of the mounting plates 15 to move toward the decompression plate 23, the column 146 contacts the protrusion 27 to drive the C-shaped slider 143 to move upward.

[0099] In this embodiment, when the supporting plate 13 is pressed down by the hot pressure plate 33, the protrusion 151 moves downward to contact the pressure relief plate 23, and the pressure relief plate 23 moves downward. At this time, the third spring 26 is stretched. When the supporting plate 13 is no longer under the pressure of the hot pressure plate 33, the third spring 26 resets and drives the pressure relief plate 23 to reset.

[0100] like Figure 1As shown in an optional embodiment, the rotary disc 11 is provided with a hot pressing device 3 outside, which comprises a support 31, a cylinder 32 and a hot pressing plate 33; the cylinder 32 is arranged on the support 31; the hot pressing plate 33 is arranged on the telescopic end of the cylinder 32; the hot pressing plate 33 is located above the pressure relief plate 23; the cylinder 32 is suitable for driving the hot pressing plate 33 to move up and down.

[0101] In this embodiment, when the carrier plate 13 carrying the carbon paper and the graphite plate moves below the hot pressing plate 33, the control module controls the cylinder 32 to drive the hot pressing plate 33 to press down the graphite plate to complete the hot pressing.

[0102] As shown in an optional embodiment, the rotary disc 11 is provided with a first feeding device 4, a dispensing device 5 and a second feeding device 6 outside; the first feeding device 4 is suitable for placing the carbon paper on the carbon paper carrying station 156; the dispensing device 5 is suitable for dispensing on the carbon paper; the second feeding device 6 is suitable for placing the graphite plate on the carbon paper after dispensing; the hot pressing device 3 is suitable for hot pressing the carbon paper and the graphite plate. Figure 2

[0103] In an optional embodiment, the first feeding device 4, the dispensing device 5, the second feeding device 6 and the hot pressing device 3 are electrically connected with the control module; the bottom surface of the rotary disc 11 is provided with a driving motor 155 electrically connected with the control module, so as to control the driving motor 155 to drive the rotary disc 11 to rotate through the control module, so that the carrier plate 13 passes through the first feeding device 4, the dispensing device 5, the second feeding device 6 and the hot pressing device 3 in turn.

[0104] At least one other disclosed embodiment also provides a production process of the negative adhesion equipment for the fuel cell membrane electrode production, which comprises: the first feeding device 4 places the carbon paper on the carbon paper carrying station 156; the dispensing device 5 dispenses on the carbon paper; the second feeding device 6 places the graphite plate on the carbon paper after dispensing; the hot pressing device 3 hot presses the carbon paper and the graphite plate; after the carbon paper is placed on the carbon paper carrying station 156, the first air hole 122 is communicated with the air source through the air path mechanism 14, and the gas in the area surrounded by the convex ring 121 is extracted through the air source, so as to adsorb the carbon paper through the negative pressure of the corresponding first through hole 131 in the carbon paper carrying station 156; when the hot pressing device 3 outside the rotary disc 11 hot presses the carbon paper and the graphite plate, the second air hole 123 is communicated with the air source through the air path mechanism 14, so as to generate airflow at the second through hole 132.

[0105] ​In summary, the negative electrode laminating device for producing a fuel cell membrane electrode, comprising: a rotary table device 1, comprising: a rotary table 11; a plurality of guide plates 12 are arranged on the rotary table 11, and a bearing plate 13 is arranged on the top surface of the guide plate 12; a plurality of first through holes 131 and a plurality of second through holes 132 are formed in the bearing plate 13; a plurality of convex rings 121 are arranged on the top surface of the guide plate 12, and the convex ring 121 is in contact with the bottom surface of the bearing plate 13, and the area surrounded by the convex ring 121 forms a carbon paper bearing station 156 on the corresponding area of the top surface of the bearing plate 13; a first gas hole 122 surrounded by the corresponding convex ring 121 is formed on the top surface of the guide plate 12, and a plurality of second gas holes 123 are formed; a gas path mechanism 14 is arranged in the guide plate 12, so that the first gas hole 122 and the second gas hole 123 are respectively communicated with the gas source; when the first gas hole 122 is communicated with the gas source through the gas path mechanism 14, the gas in the area surrounded by the convex ring 121 is extracted through the gas source, so that the carbon paper is negatively adsorbed through the corresponding first through hole 131 in the carbon paper bearing station 156; when the hot pressing device 3 outside the rotary table 11 hot-presses the carbon paper and the graphite plate, the second gas hole 123 is communicated with the gas source through the gas path mechanism 14, so that the gas flow is generated at the second through hole 132, thereby realizing that only the first through hole 131 corresponding to the area of the carbon paper is adsorbed by negative pressure when the carbon paper is adsorbed, and the solidification caused by the gas flow generated by the excess first through hole 131 around the carbon paper after the carbon paper is glued is avoided.

[0106] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0107] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, terms such as "first", "second" and other numerical terms are used herein and do not imply sequence or order. Therefore, the first element, component, region, layer or section discussed above can be referred to as the second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0108] Spatially relative terms, such as "inner," "outer," "beneath," "below," "lower," "above," "upper," and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Spatially relative terms can be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0109] In the above discussion, unless otherwise stated, the terms "about," "approximately," "substantially" and the like mean a + / - 10% variation from the value being discussed.

[0110] With the above ideal embodiments according to the present application as the inspiration, through the above description, relevant personnel can certainly make various changes and modifications within the scope of not deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. A negative electrode bonding device for fuel cell membrane electrode production, characterized in that: include: A turntable device (1) comprising: a turntable (11); A plurality of guide plates (12) are provided on the turntable (11), and a bearing plate (13) is provided on the top surface of the guide plate (12); The supporting plate (13) is provided with a plurality of first through holes (131) and a plurality of second through holes (132); The top surface of the guide plate (12) is provided with a plurality of convex rings (121), the convex rings (121) are in contact with the bottom surface of the carrier plate (13), and the area enclosed by the convex rings (121) forms a carbon paper carrying station (156) in the area corresponding to the top surface of the carrier plate (13); The top surface of the guide plate (12) is provided with a first air hole (122) surrounded by a corresponding convex ring (121), and is also provided with a plurality of second air holes (123); An air path mechanism (14) is provided in the guide plate (12) so that the first air hole (122) and the second air hole (123) are respectively connected to an air source; When the first air hole (122) is connected to the air source through the air path mechanism (14), the air in the area enclosed by the convex ring (121) is extracted through the air source, so as to negatively adsorb the carbon paper through the corresponding first through hole (131) in the carbon paper supporting station (156); When the hot pressing device (3) outside the turntable (11) hot presses the carbon paper and the graphite plate, the second air hole (123) is connected to the air source through the air path mechanism (14), so that air flow is generated at the second through hole (132); The air path mechanism (14) comprises: a first flow channel (141), a second flow channel (142) and a C-shaped slider (143); The first flow channel (141) and the second flow channel (142) are both arranged in the guide plate (12), and the first flow channel (141) is in communication with each of the first air holes (122); The second flow channel (142) is in communication with each of the second air holes (123); One end of the second flow channel (142) is open and arranged on the bottom surface of the guide plate (12); The side wall of the guide plate (12) is provided with a connecting air hole (125) for connecting to an air source; The bottom surface of the guide plate (12) is provided with a groove (124), the connecting air hole (125) is in communication with the groove (124), and the first flow channel (141) is in communication with the groove (124); One end of the C-shaped slider (143) is slidably disposed in the groove (124), and the other end is aligned with the opening of the second flow channel (142); A recess (144) is provided on one surface of the C-shaped slider (143) near the connecting air hole (125), and a third flow channel (147) is provided inside the slider. One end of the third flow channel (147) is connected to the recess (144), and the other end is aligned with the opening of the second flow channel (142).

2. The negative electrode bonding equipment for fuel cell membrane electrode production according to claim 1, characterized in that: When the concave portion (144) completely extends out of the groove (124), the connecting air hole (125) is communicated with the first flow channel (141) through the groove (124), so that the air source is communicated with the first through hole (131); When the recess (144) is fully inserted into the groove (124), the other end of the C-shaped slider (143) is inserted into the second flow channel (142). At this time, the connecting air hole (125) is connected to the second flow channel (142) through the third flow channel (147), so that the air source is connected to the second through hole (132).

3. The negative electrode bonding equipment for fuel cell membrane electrode production according to claim 1, characterized in that: A column (146) is vertically provided on the C-shaped slider (143), and the bottom surface of the column (146) is a spherical surface; The C-shaped slider (143) is connected to the inner top surface of the groove (124) via a first spring (145).

4. The negative electrode bonding equipment for fuel cell membrane electrode production according to claim 3, characterized in that: The guide plate (12) is arranged on the mounting plate (15), and the turntable (11) is provided with a lifting hole (111) corresponding to the mounting plate (15); The bottom surface of the mounting plate (15) is provided with a protrusion (151), the protrusion (151) passes through the corresponding lifting hole (111), and the column (146) passes through the turntable (11) and extends downward from the bottom surface of the turntable (11); A pair of mounting bars (152) are provided on the bottom surface of the mounting plate (15), and the mounting bars (152) are connected to the top surface of the turntable (11) via a second spring (153); A plurality of first guide columns (154) are provided on the bottom surface of the mounting bar (152), and the first guide columns (154) pass through the turntable (11).

5. The negative electrode bonding equipment for fuel cell membrane electrode production according to claim 4, characterized in that: A decompression device (2) is provided below the turntable (11), comprising: a support plate (21); The support plate (21) is located below the turntable (11), and a plurality of support columns (22) are provided on the bottom surface of the support plate (21); A pressure reducing plate (23) is provided above the top surface of the support plate (21), and a plurality of second guide columns (24) are provided on the bottom surface of the pressure reducing plate (23), wherein the second guide columns (24) pass through the support plate (21); A mounting ring (25) is provided at the bottom end of the guide column, a third spring (26) is provided between the mounting ring (25) and the bottom surface of the support plate (21), and the third spring (26) is sleeved on the second guide column (24); A protrusion (27) is provided on the side wall of the pressure reducing plate (23); When the turntable (11) rotates to drive one of the mounting plates (15) to move toward the pressure reducing plate (23), the column (146) contacts the protrusion (27) to drive the C-shaped slider (143) to move upward.

6. The negative electrode bonding equipment for fuel cell membrane electrode production according to claim 5, characterized in that: A hot pressing device (3) is provided on the outside of the turntable (11), comprising: a bracket (31), a cylinder (32) and a hot pressing plate (33); The cylinder (32) is arranged on the bracket (31); The hot pressing plate (33) is arranged on the telescopic end of the cylinder (32); The hot pressing plate (33) is located above the pressure reducing plate (23); The cylinder (32) is suitable for driving the hot pressing plate (33) to move up and down.

7. The negative electrode bonding equipment for fuel cell membrane electrode production according to claim 5, characterized in that: A first loading device (4), a glue dispensing device (5) and a second loading device (6) are arranged around the outer side of the turntable (11); The first loading device (4) is suitable for placing carbon paper on the carbon paper carrying station (156); The glue dispensing device (5) is suitable for dispensing glue on carbon paper; The second loading device (6) is suitable for placing the graphite plate on the carbon paper after the glue is applied; The hot pressing device (3) is suitable for hot pressing the carbon paper and the graphite plate.

8. The negative electrode bonding equipment for fuel cell membrane electrode production according to claim 7, characterized in that: The first feeding device (4), the dispensing device (5), the second feeding device (6) and the hot pressing device (3) are all electrically connected to the control module; The bottom surface of the turntable (11) is provided with a driving motor (155) electrically connected to the control module, so that the control module controls the driving motor (155) to drive the turntable (11) to rotate, so that the carrier plate (13) passes through the first feeding device (4), the dispensing device (5), the second feeding device (6) and the hot pressing device (3) in sequence.

9. A production process using the negative electrode bonding equipment for fuel cell membrane electrode production as claimed in claim 8, characterized in that: include: The first loading device (4) places the carbon paper on the carbon paper carrying station (156); The glue dispensing device (5) dispenses glue on the carbon paper; The second loading device (6) places the graphite plate on the carbon paper after the glue is applied; The hot pressing device (3) hot presses the carbon paper and the graphite plate; After the carbon paper is placed on the carbon paper supporting station (156), the first air hole (122) is connected to the air source through the air path mechanism (14), and the air in the area enclosed by the convex ring (121) is extracted through the air source to negatively adsorb the carbon paper through the corresponding first through hole (131) in the carbon paper supporting station (156); When the hot pressing device (3) outside the turntable (11) hot presses the carbon paper and the graphite plate, the second air hole (123) is connected to the air source through the air path mechanism (14), so that air flow is generated at the second through hole (132).

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