Processing equipment for hydrogen fuel cell membrane electrode
By combining the design of the moving plate assembly, spraying device, gripping assembly, and flipping assembly, the shortcomings of existing equipment in terms of coating uniformity and adaptability are solved, enabling precise spraying and efficient production of different base films.
Patent Information
- Application Number
- CN202510970045.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-15
- Publication Date
- 2025-11-18
AI Technical Summary
Existing membrane electrode processing equipment has shortcomings in terms of coating uniformity and adaptability, making it difficult to accurately control the amount and distribution of catalyst slurry sprayed, and difficult to quickly switch production specifications, which affects the electrochemical performance and production efficiency of membrane electrodes.
The design incorporates a combination of a moving plate assembly, a spraying device, a gripping assembly, a disassembly assembly, and a flipping assembly, enabling flexible adaptation and precise spraying of base films of different sizes and materials.
It improves the flexibility and precision of the equipment, enabling it to adapt to the spraying requirements of base films of different sizes, ensuring uniform distribution of catalyst slurry, and enhancing production efficiency and the equipment's flexible production capabilities.
Smart Images
Figure CN120961336A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application and the processing equipment of the membrane electrode are more particularly related to a processing equipment for hydrogen fuel cell membrane electrode. BACKGROUND
[0002] In the wave of global energy structure transformation to clean energy, hydrogen fuel cell has become an important development direction in the field of new energy due to its high efficiency and zero emission. The uniformity, adhesion and thickness precision of the catalyst coating of the membrane electrode as the core component of the hydrogen fuel cell directly determine the power generation efficiency and service life of the cell, and the spraying process is the key link to realize the preparation of high-quality catalyst coating. The corresponding spraying equipment technology level is concerned, and with the rapid expansion of the hydrogen fuel cell industry, the demand for mass production capacity of the membrane electrode is increasingly urgent. As a core step in the manufacturing of the membrane electrode, the catalyst slurry needs to be uniformly and accurately coated on the surface of the proton exchange membrane or the gas diffusion layer. This process requires high stability and controllability of the equipment. At present, the progress of material science promotes the optimization of catalyst slurry formula, and new types of slurry show new characteristics in liquidity, solid content and other characteristics, which requires the spraying equipment to have stronger adaptability to match the spraying needs of different types of slurry. At the same time, the large-scale development of the new energy industry promotes the production enterprises to pursue higher production efficiency, and puts forward new requirements for the continuous operation ability and capacity improvement space of the spraying equipment.
[0003] The existing membrane electrode processing equipment has many shortcomings. Firstly, it is difficult to accurately control the spraying amount and distribution of the catalyst slurry, which easily causes local over-thickness or under-thickness, affecting the electrochemical performance of the membrane electrode. Secondly, the equipment has poor adaptability, and it takes a long time to adjust the parameters when facing different sizes and materials of the base film, which restricts flexible production. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the present application provides a processing equipment for hydrogen fuel cell membrane electrode, which is provided with a moving plate assembly, a moving plate movable assembly, a spraying device, a grabbing assembly, a dismounting assembly and a turnover assembly to solve the problems in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a processing device for a membrane electrode assembly of a hydrogen fuel cell, comprising a movable plate assembly, wherein the movable plate assembly includes a movable plate housing, a movable plate assembly, and a movable plate; the movable plate assembly is fixedly connected to the side of the movable plate housing; the movable plate assembly includes a movable plate motor, a first support column, a first belt, a first gear, a second gear, a screw rod, a third gear, and a second belt; the first support column is fixedly connected to the side of the movable plate motor; the first gear is movably sleeved on the side of the movable plate housing; and the first belt is movably sleeved on the side of the first gear. A second gear is movably sleeved on the side of the movable plate housing. The first gear is movably sleeved with the first belt. The second gear is movably sleeved with the first belt. A spiral rod is movably sleeved on the side of the movable plate housing. A third gear is movably sleeved on the side of the movable plate housing. A movable plate is movably connected to the side of the movable plate housing. A spraying device is fixedly connected to the top of the movable plate housing. A second support column is fixedly connected to the top of the movable plate housing. A gripping assembly is movably sleeved on the side of the movable plate housing. A flipping assembly is movably sleeved on the side of the movable plate housing.
[0006] Furthermore, the spraying device includes a first limiting groove, a second limiting groove, a crossbar, a nozzle assembly, and a second support column. The top of the second support column is fixedly connected to the second limiting groove, and the top of the second support column is fixedly connected to the first limiting groove. The top of the second limiting groove is movably connected to a second slider. The bottom of the second slider has a T-slot, and the top of the second slider is fixedly connected to a second motor. The side of the first limiting groove has a T-slot, and the side of the first limiting groove is movably connected to a first slider. The side of the second slider is fixedly connected to a crossbar, and the side of the crossbar is movably connected to a third slider. The inner wall of the third slider has a groove, and the side of the third slider is movably connected to a nozzle assembly. The bottom of the nozzle assembly is fixedly connected to a nozzle housing, and the bottom of the nozzle housing is fixedly connected to a nozzle.
[0007] Furthermore, the gripping assembly includes a rotating device, a robotic arm assembly, a disassembly assembly, and a gripping device. A third motor is fixedly connected to the side of the rotating device. The robotic arm assembly includes a first robotic arm, a second robotic arm, and a third robotic arm. The first robotic arm is movably sleeved on the inner wall of the rotating device. The second robotic arm is movably sleeved on the side of the first robotic arm. A fourth motor is movably sleeved on the side of the second robotic arm. A fifth motor is fixedly connected to the side of the second robotic arm. The third robotic arm is movably sleeved on the side of the second robotic arm. The disassembly assembly is movably sleeved on the side of the third robotic arm. The gripping device is movably sleeved on the bottom of the disassembly assembly. A first suction cup is fixedly connected to the bottom of the gripping device.
[0008] Furthermore, the disassembly assembly includes a power shaft, an upper disassembly block, and a lower disassembly block. The upper disassembly block is fixedly connected to the bottom of the power shaft. A disassembly switch is movably sleeved on the side of the upper disassembly block. A spring is fixedly connected to the side of the disassembly switch. A movable pin is fixedly connected to the side of the spring. The lower disassembly block is movably sleeved on the inner wall of the disassembly assembly. A limit groove is formed on the inner wall of the lower disassembly block.
[0009] Furthermore, the flipping assembly includes a sixth motor, a flipping rod, and a flipping device. The flipping rod is movably sleeved on the side of the sixth motor. A flipping plate is fixedly connected to the side of the flipping rod. A connecting rod is fixedly connected to the side of the flipping plate. A flipping device is fixedly connected to the side of the connecting rod. A second suction cup is fixedly connected to the top of the flipping device.
[0010] Furthermore, a second belt is movably sleeved on the top of the screw rod, a third gear is movably sleeved on the inner wall of the second belt, and a movable plate is movably sleeved on the inner wall of the second belt.
[0011] The technical effects and advantages of this invention are as follows: This invention features a spraying device. A second limiting groove is fixedly connected to the top of a second support column, and a first limiting groove is also fixedly connected to the top of the second support column. A second slider is movably connected to the top of the second limiting groove. A T-slot is formed at the bottom of the second slider, and a second motor is fixedly connected to the top of the second slider. A T-slot is formed on the side of the first limiting groove, and a first slider is movably connected to the side of the first limiting groove. A crossbar is fixedly connected to the side of the second slider, and a third slider is movably connected to the side of the crossbar. A groove is formed on the inner wall of the third slider, and a spray head assembly is movably connected to the side of the third slider. A nozzle is fixedly connected to the bottom of the spray head assembly. The bottom of the spray head housing is also fixedly connected to a nozzle. This significantly improves the flexibility of the equipment, enabling it to adapt to base films of different sizes, and also facilitates precise and uniform control of the catalyst slurry spraying distribution.
[0012] The present invention includes a gripping assembly comprising a rotating device, a robotic arm assembly, a disassembly assembly, and a gripping device. The cooperation between the robotic arm and the gripping device facilitates the gripping and handling of base films of different sizes and materials. The movement of the flipping assembly assists the spraying device in spraying, resulting in the uniform spraying of catalyst slurry onto the surface of the base film.
[0013] This invention features a disassembly assembly. An upper disassembly block is fixedly connected to the bottom of the power shaft. A disassembly switch is movably sleeved on the side of the second robotic arm. A spring is fixedly connected to the side of the disassembly switch, and a movable pin is fixedly connected to the side of the spring. A lower disassembly block is movably sleeved on the inner wall of the disassembly assembly. A limit groove is provided on the inner wall of the lower disassembly block to facilitate quick disassembly of the gripping device, clean the disassembly device, and facilitate replacement of the gripping device. It can adapt to base films of different materials and sizes.
[0014] This invention features a flipping assembly. A flipping rod is movably sleeved on the side of a sixth motor. A flipping plate is fixedly connected to the side of the flipping rod. A connecting rod is fixedly connected to the side of the flipping plate. A flipping device is fixedly connected to the side of the connecting rod. A second suction cup is fixedly connected to the top of the flipping device. The motor drives the flipping device to move, which is beneficial for flipping the base film and enables double-sided spraying, so that the catalyst slurry can be sprayed evenly and accurately onto the base film. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall side structure of the present invention; Figure 3 This is a schematic diagram of the spraying assembly structure of the present invention; Figure 4 This is a schematic diagram of the gripping structure of the present invention; Figure 5 This is a schematic diagram of the disassembly device of the present invention; Figure 6 This is a schematic diagram of the flip assembly structure of the present invention.
[0016] The attached figures are labeled as follows: 1. Moving plate assembly; 11. Moving plate housing; 12. Moving plate movable assembly; 121. Moving plate motor; 122. First support column; 123. First belt; 124. First gear; 125. Second gear; 126. Helical rod; 127. Third gear; 128. Second belt; 13. Moving plate; 2. Spraying device; 21. First limiting groove; 211. First slider; 22. Second limiting groove; 221. Second motor; 222. Second slider; 23. Crossbar; 231. Third slider; 24. Spray head assembly; 25. Second support column; 241. Spray head housing; 242. Nozzle; 3. 31. Gripping assembly; 32. Rotating device; 33. Third motor; 34. Robotic arm assembly; 35. First robotic arm; 36. Second robotic arm; 37. Fourth motor; 38. Fifth motor; 39. Third robotic arm; 30. Disassembly assembly; 31. Power shaft; 32. Upper disassembly block; 33. Disassembly switch; 33. Spring; 34. Movable pin; 35. Lower disassembly block; 36. Gripping device; 37. First suction cup; 48. Tilting assembly; 41. Sixth motor; 42. Tilting rod; 42. Tilting plate; 42. Connecting rod; 43. Tilting device; 44. Second suction cup. Detailed Implementation
[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The processing equipment for membrane electrode assembly of hydrogen fuel cells involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0018] Reference Figures 1 to 6 This invention provides a processing apparatus for a membrane electrode assembly (MEA) of a hydrogen fuel cell, comprising a movable plate assembly 1, which includes a movable plate housing 11, a movable plate assembly 12, and a movable plate 13. The movable plate assembly 12 is fixedly connected to the side of the movable plate housing 11. The movable plate assembly 12 includes a movable plate motor 121, a first support column 122, a first belt 123, a first gear 124, a second gear 125, a screw rod 126, a third gear 127, and a second belt 128. The first support column 122 is fixedly connected to the side of the movable plate motor 121. The first gear 124 is movably sleeved on the side of the movable plate housing 11, and the first belt 128 is movably sleeved on the side of the first gear 124. 3. A second gear 125 is movably sleeved on the side of the movable plate housing 11. A first gear 124 is movably sleeved with a first belt 123. A second gear 125 is movably sleeved with a first belt 123. A spiral rod 126 is movably sleeved on the side of the movable plate housing 11. A third gear 127 is movably sleeved on the side of the movable plate housing 11. A 1228 is movably sleeved on the side of the third gear 127. A movable plate 13 is movably connected to the side of the movable plate housing 11. A spraying device 2 is fixedly connected to the top of the movable plate housing 11. A second support column 25 is fixedly connected to the top of the movable plate housing 11. A gripping assembly 3 is movably sleeved on the side of the movable plate housing 11. A flipping assembly 4 is movably sleeved on the side of the movable plate housing 11.
[0019] The spraying device 2 includes a first limiting groove 21, a second limiting groove 22, a crossbar 23, a nozzle assembly 24, and a second support column 25. The top of the second support column 25 is fixedly connected to the second limiting groove 22, and the top of the second support column 25 is fixedly connected to the first limiting groove 21. The top of the second limiting groove 22 is movably connected to a second slider 222. The bottom of the second slider 222 has a T-slot, and the top of the second slider 222 is fixedly connected to a second motor 221. The second motor 221 drives the second slider 222 to move inside the second limiting groove 22. The side of the first limiting groove 21 has a T-slot, and the side of the first limiting groove 21 is movably connected to a first slider 211. The second motor 221 drives the first slider 211 to move inside the second limiting groove 22. The nozzle assembly 24 moves on a limiting groove 21. The first limiting groove 21 has a T-shaped structure. The first limiting groove 21 and the second limiting groove 22 can make the nozzle assembly 24 more stable during movement and spraying. A crossbar 23 is fixedly connected to the side of the second slider 222. The first slider 211 and the second slider 222 drive the crossbar 23 to move together. A third slider 231 is movably connected to the side of the crossbar 23. The inner wall of the third slider 231 has a groove. The nozzle assembly 24 is movably connected to the side of the third slider 231. The third slider 231 moves the nozzle assembly 24 up and down, which can control the position of the nozzle 242 from the base film and can adapt to base films of different sizes. The bottom of the nozzle assembly 24 is fixedly connected to the nozzle 242. The bottom of the nozzle housing 241 is fixedly connected to the nozzle 242.
[0020] The gripping assembly 3 includes a rotating device 31, a robotic arm assembly 32, a disassembly assembly 33, and a gripping device 34. A third motor 311 is fixedly connected to the side of the rotating device 31, and the third motor 311 can drive the rotating device 31 to rotate 360 degrees. The robotic arm assembly 32 includes a first robotic arm 321, a second robotic arm 322, and a third robotic arm 323. The first robotic arm 321 is movably sleeved on the inner wall of the rotating device 31, and the second robotic arm 322 is movably sleeved on the side of the first robotic arm 321. The side of the second robotic arm 322 is movably sleeved. A fourth motor 3221 is fitted onto the second robotic arm 322, which can drive the second robotic arm 322 to move 180 degrees. A fifth motor 3222 is fixedly connected to the side of the second robotic arm 322, which can drive the third robotic arm 323 to rotate 180 degrees. The third robotic arm 323 is movably fitted onto the side of the second robotic arm 322. A disassembly assembly 33 is movably fitted onto the side of the third robotic arm 323. A gripping device 34 is movably fitted onto the bottom of the disassembly assembly 33. A first suction cup 341 is fixedly connected to the bottom of the gripping device 34.
[0021] The disassembly assembly 33 includes a power shaft 331, an upper disassembly block 332, and a lower disassembly block 333. The upper disassembly block 332 is fixedly connected to the bottom of the power shaft 331. A disassembly switch 3321 is movably sleeved on the side of the upper disassembly block 332. A spring 3322 is fixedly connected to the side of the disassembly switch 3321. A movable pin 3323 is fixedly connected to the side of the spring 3322. The lower disassembly block 333 is movably sleeved on the inner wall of the disassembly assembly 33. A limit groove is provided on the inner wall of the lower disassembly block 333. When it is necessary to replace the gripping device 34, the disassembly switch 3321 is pressed down at the same time. The disassembly switch 3321 drives the spring 3322, and the spring 3322 drives the movable pin 3323 to retract inward, separating the lower disassembly block 333 and the gripping device 34, which facilitates the replacement and cleaning of the disassembly assembly 33.
[0022] The flipping assembly 4 includes a sixth motor 41, a flipping rod 42, and a flipping device 43. The flipping rod 42 is movably sleeved on the side of the sixth motor 41. A flipping plate 421 is fixedly connected to the side of the flipping rod 42. A connecting rod 422 is fixedly connected to the side of the flipping plate 421. The flipping device 43 is fixedly connected to the side of the connecting rod 422. A second suction cup 431 is fixedly connected to the top of the flipping device 43. After the second suction cup 431 adsorbs the base film, the sixth motor 41 drives the flipping rod 42 to move. The flipping rod 42 drives the flipping plate 421 to move. The flipping plate 421 drives the connecting rod 422 to move. The connecting rod 422 drives the flipping device 43 to move, flipping the base film and placing it on the moving plate 13.
[0023] The top of the screw rod 126 is movably sleeved with a second belt 128, the inner wall of the second belt 128 is movably sleeved with a third gear 127, and the inner wall of the second belt 128 is movably sleeved with a movable plate 13. The movable plate 13 moves on the inner wall of the second belt 128. When the movable plate motor 121 rotates forward, the movable plate 13 moves forward and when it rotates in reverse, it moves backward.
[0024] The working principle of this invention is as follows: When the base film is conveyed onto the moving plate, the first motor drives the first gear to rotate, the first gear drives the first belt to rotate, the first belt drives the second gear to rotate, the first gear and the second gear drive the wheel rod to rotate, the spiral rod drives the second belt to rotate, the second belt drives the third gear to rotate, and the second belt drives the moving plate to move, moving the base film below the spraying device. The second motor drives the first slider to move in the first limiting groove, and simultaneously drives the second slider to move in the second limiting groove. The first slider and the second slider drive the crossbar to move, moving the nozzle assembly above the base film. The third slider drives the nozzle housing to move downwards, reaching a suitable position above the base film, and the nozzle begins to spray the upper part of the base film. After the upper part of the base film is sprayed, the moving plate continues to move, moving the base film in front of the gripping assembly. The third motor drives the first robotic arm to move, the fourth motor drives the second robotic arm to move, and the fifth motor drives the... The three robotic arms move to move the gripping device above the base film. The base film is then adsorbed onto the gripping device by the first suction cup. The rotating device drives the robotic arm assembly to move, placing the base film on the flipping device. After the second suction cup holds the base film, the sixth motor drives the flipping rod to move. The flipping rod drives the flipping plate to move. The flipping plate drives the connecting rod to move. The connecting rod drives the flipping device to move, flipping the base film and placing it on the moving plate. The first motor flips, causing the moving plate to move downwards towards the spraying assembly. The second motor drives the first slider to move in the first limiting groove, and simultaneously drives the second slider to move in the second limiting groove. The first and second sliders drive the crossbar to move, moving the spray head assembly above the base film for spraying the reverse side of the base film. When spraying is complete, the gripping device can be replaced and cleaned by disassembling the assembly. Simultaneously, pressing the disassembly switch causes the movable pin to retract inward via a spring, separating the lower disassembly block along with the gripping device.
[0025] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A processing apparatus for membrane electrode assemblies of hydrogen fuel cells, comprising a moving plate assembly (1), characterized in that: The movable plate assembly (1) includes a movable plate housing (11), a movable plate moving assembly (12), and a movable plate (13). The movable plate moving assembly (12) is fixedly connected to the side of the movable plate housing (11). The movable plate moving assembly (12) includes a movable plate motor (121), a first support column (122), a first belt (123), a first gear (124), a second gear (125), a screw rod (126), a third gear (127), and a second belt (128). The first support column (122) is fixedly connected to the side of the movable plate motor (121). The first gear (124) is movably sleeved on the side of the movable plate housing (11). The first belt (123) is movably sleeved on the side of the first gear (124). The second belt (125) is movably sleeved on the side of the movable plate housing (11). Gear (125), first gear (124) is movably sleeved with first belt (123), second gear (125) is movably sleeved with first belt (123), a spiral rod (126) is movably sleeved on the side of the movable plate housing (11), a third gear (127) is movably sleeved on the side of the movable plate housing (11), (1228) is movably sleeved on the side of the third gear (127), a movable plate (13) is movably connected to the side of the movable plate housing (11), a spraying device (2) is fixedly connected to the top of the movable plate housing (11), a second support column (25) is fixedly connected to the top of the movable plate housing (11), a gripping assembly (3) is movably sleeved on the side of the movable plate housing (11), and a flipping assembly (4) is movably sleeved on the side of the movable plate housing (11).
2. The processing equipment for a membrane electrode assembly in a hydrogen fuel cell according to claim 1, characterized in that: The spraying device (2) includes a first limiting groove (21), a second limiting groove (22), a crossbar (23), a nozzle assembly (24), and a second support column (25). The top of the second support column (25) is fixedly connected to the second limiting groove (22), and the top of the second support column (25) is fixedly connected to the first limiting groove (21). The top of the second limiting groove (22) is movably connected to the second slider (222). The bottom of the second slider (222) is provided with a T-slot, and the top of the second slider (222) is fixedly connected to the second motor (221). The first limiting groove (21) has a T-shaped groove on its side. The first limiting groove (21) is movably connected to the side of the first limiting groove (21). The second slider (222) is fixedly connected to the side of the crossbar (23). The crossbar (23) is movably connected to the side of the third slider (231). The inner wall of the third slider (231) has a groove. The side of the third slider (231) is movably connected to the nozzle assembly (24). The bottom of the nozzle assembly (24) is fixedly connected to the nozzle housing (241). The bottom of the nozzle housing (241) is fixedly connected to the nozzle (242).
3. The processing equipment for a membrane electrode assembly in a hydrogen fuel cell according to claim 1, characterized in that: The gripping assembly (3) includes a rotating device (31), a robotic arm assembly (32), a disassembly assembly (33), and a gripping device (34). A third motor (311) is fixedly connected to the side of the rotating device (31). The robotic arm assembly (32) includes a first robotic arm (321), a second robotic arm (322), and a third robotic arm (323). The first robotic arm (321) is movably sleeved on the inner wall of the rotating device (31), and the second robotic arm (322) is movably sleeved on the side of the first robotic arm (321). 2) A fourth motor (3221) is movably sleeved on the side of the second robotic arm (322), a fifth motor (3222) is fixedly connected to the side of the second robotic arm (322), a third robotic arm (323) is movably sleeved on the side of the second robotic arm (322), a disassembly assembly (33) is movably sleeved on the side of the third robotic arm (323), a gripping device (34) is movably sleeved on the bottom of the disassembly assembly (33), and a first suction cup (341) is fixedly connected to the bottom of the gripping device (34).
4. The processing equipment for a membrane electrode assembly in a hydrogen fuel cell according to claim 1, characterized in that: The disassembly assembly (33) includes a power shaft (331), an upper disassembly block (332), and a lower disassembly block (333). The upper disassembly block (332) is fixedly connected to the bottom of the power shaft (331). A disassembly switch (3321) is movably sleeved on the side of the upper disassembly block (332). A spring (3322) is fixedly connected to the side of the disassembly switch (3321). A movable pin (3323) is fixedly connected to the side of the spring (3322). The lower disassembly block (333) is movably sleeved on the inner wall of the disassembly assembly (33). A limit groove is formed on the inner wall of the lower disassembly block (333).
5. The processing equipment for a membrane electrode assembly in a hydrogen fuel cell according to claim 1, characterized in that: The flipping assembly (4) includes a sixth motor (41), a flipping rod (42), and a flipping device (43). The flipping rod (42) is movably sleeved on the side of the sixth motor (41). A flipping plate (421) is fixedly connected to the side of the flipping rod (42). A connecting rod (422) is fixedly connected to the side of the flipping plate (421). A flipping device (43) is fixedly connected to the side of the connecting rod (422). A second suction cup (431) is fixedly connected to the top of the flipping device (43).
6. The processing equipment for a membrane electrode assembly in a hydrogen fuel cell according to claim 1, characterized in that: The top of the screw rod (126) is movably sleeved with a second belt (128), the inner wall of the second belt (128) is movably sleeved with a third gear (127), and the inner wall of the second belt (128) is movably sleeved with a movable plate (13).