Device for manufacturing membrane-electrode gasket assembly
View Patent ↗Disclosed is a device for manufacturing a membrane-electrode gasket assembly, the device including a first sub-assembly configured to manufacture a membrane-electrode body having a membrane and an electrode catalyst being joined to each other, a second sub-assembly provided downstream from the first sub-assembly and being configured to receive the membrane-electrode body from the first sub-assembly, and a third sub-assembly provided downstream from the second sub-assembly, the third sub-assembly being configured to receive the membrane-electrode body from the second sub-assembly and to manufacture an assembly by joining a gasket to the membrane-electrode joined body, wherein the membrane is disposed continuously over the first to third sub-assembly.
1 . A device for manufacturing a membrane-electrode gasket assembly, the device comprising:
a first sub-assembly configured to manufacture a membrane-electrode body having a membrane and an electrode catalyst being joined to each other;
a second sub-assembly provided downstream from the first sub-assembly and being configured to receive the membrane-electrode body from the first sub-assembly, the second sub-assembly comprising a second moving roller capable of moving in an up-down direction; and
a third sub-assembly provided downstream from the second sub-assembly, the third sub-assembly being configured to receive the membrane-electrode body from the second sub-assembly and to manufacture an assembly by joining a gasket to the membrane-electrode joined body,
wherein the membrane is disposed continuously over the first to third sub-assemblies,
wherein the third sub-assembly comprises a heat-pressing part configured to heat or press the membrane-electrode body,
wherein the heat-pressing part comprises:
a first pressing roller facing one surface of the membrane-electrode body;
a second pressing roller facing the first pressing roller with the membrane-electrode body therebetween;
a third pressing roller facing the second pressing roller with the membrane-electrode body therebetween,
wherein the second pressing roller is disposed above the first pressing roller, and the third pressing roller is disposed above the second pressing roller,
wherein the heat-pressing part further comprises:
a fourth pressing roller that faces the third pressing roller;
a fifth pressing roller that faces the second pressing roller; and
a sixth pressing roller that faces the first pressing roller,
wherein the fourth pressing roller is provided on a right side of the third pressing roller,
wherein the fifth pressing roller is provided on a right side of the second pressing roller,
wherein the sixth pressing roller is provided on a right side of the first pressing roller,
wherein the first sub-assembly comprises:
a first slot die being configured to apply a first electrode catalyst to a surface of the membrane;
a first dryer configured to dry the membrane and the first electrode catalyst; and
a second slot die being configured to apply a second electrode catalyst to the other surface of the membrane,
wherein the first dryer comprises:
a drying body:
a first drying space formed in the drying body, wherein the membrane and the first electrode catalyst are configured to flow into the first drying space; and
a second drying space formed in the drying body, wherein the membrane, the first electrode catalyst, and the second electrode catalyst are configured to flow into the second drying space,
wherein the first drying space and the second drying space are spaced apart from each other in the up-down direction inside the drying body, and
wherein the first drying space and the second drying space are configured to be in an overlapping state when the first dryer is viewed from the above,
wherein the third sub-assembly comprises an assembler provided downstream from the heat-pressing part, the assembler being configured to press and join the membrane-electrode body and the gasket,
wherein the assembler comprises:
a first joining member configured to press the membrane-electrode body and the gasket to form a first joined region in the membrane-electrode gasket assembly; and
a second joining member configured to press the membrane-electrode body and the gasket so as to form a second joined region in the membrane-electrode gasket assembly, wherein the first joined region is different from the second joined region,
wherein a direction in which the membrane-electrode gasket assembly is conveyed is referred to as a front-rear direction, the first joining member presses a front region or a rear region of the gasket, and
wherein the second joining member presses a left region or a right region of the gasket.
2 . The device of claim 1 , wherein the first sub-assembly comprises:
a membrane unwinder configured to supply a film to which the membrane is attached;
a first film rewinder provided downstream from the membrane unwinder and being configured to collect the film from the membrane; and
a first adsorption roller facing the first slot die and being configured to cause adsorption in the membrane,
wherein the first slot die is provided downstream from the first film rewinder.
3 . The device of claim 2 , wherein the first drying space is provided downstream from the first adsorption roller.
4 . The device of claim 3 , wherein the first sub-assembly further comprises:
a first moving roller provided downstream from the first drying space and movable along a predetermined trajectory; and
a first controller configured to control movement of the first moving roller.
5 . The device of claim 4 , wherein the first sub-assembly further comprises:
a second adsorption roller facing the second slot die and being configured to cause adsorption in the membrane, and
wherein the second slot die is provided downstream from the first moving roller.
6 . The device of claim 5 , wherein the second drying space is provided downstream from the second adsorption roller.
7 . The device of claim 4 , wherein the first moving roller is movable in a left-right direction.
8 . The device of claim 1 , wherein the second sub-assembly further comprises:
a second controller configured to control movement of the second moving roller.
9 . The device of claim 8 , wherein a plurality of second moving rollers are provided along a direction in which the membrane moves.
10 . The device of claim 8 , wherein the second sub-assembly further comprises a second dryer configured to spray air for drying.
11 . The device of claim 1 , wherein the third sub-assembly further comprises:
a gasket unwinder configured to supply a film on which the gasket is attached;
a third film rewinder configured to collect the film from the gasket; and
a gasket cutter provided between the gasket unwinder and the third film rewinder and configured to cut the gasket.
12 . The device of claim 1 , wherein the heat-pressing part comprises a press member configured to move in an up-down direction and to press the membrane-electrode body.