Membrane coating device for hydrogen fuel cell

By designing a film coating device including a fixed seat, a movable seat and a servo motor, the problem that the prior art cannot adapt to multi-size film electrodes is solved, and flexible limit fixation and coating of film electrodes of different specifications is realized. Improve processing adaptability.

CN222287783UActive Publication Date: 2025-01-03苏州轩途信息技术有限公司
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Patent Information

Application Number
CN202420731442.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-01-03
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

The existing hydrogen fuel cell membrane electrode coating device cannot adapt to multi-size membrane electrodes, resulting in insufficient processing flexibility.

Method used

A film coating device including a fixed seat, a movable seat, a support rod, a servo motor and an adjusting handle is designed. The fixed coating of the membrane electrode is achieved through the coordination of the servo motor and a movable seat, and the adjustment screw and the limiting plate are adjusted. To adjust the spacing between the coating roller and the film electrode, adapt to film electrodes of different specifications and sizes.

Benefits of technology

It realizes flexible limit fixation and coating of multi-size film electrodes, improves processing adaptability, and facilitates the production and processing of film electrodes of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a membrane coating device aiming at a hydrogen fuel cell, which relates to the technical field of hydrogen fuel cells and comprises a fixing seat, a fixing unit is arranged on the upper surface of the fixing seat, two support rods are connected to the top surface of the fixing seat, a coating roller is arranged at the bottom of the fixing seat and positioned below the fixing unit, and the coating roller is connected with the fixing unit. According to the device, through cooperation of the servo motor, the movable seat, the fixed pressing block, the movable pressing block and the coating roller, the membrane electrode can be fixedly coated, through cooperation of the adjusting screw rod and the coating roller, the distance between the coating roller and the membrane electrode can be adjusted, the coating distance can be conveniently adjusted according to the machining requirement, the production machining requirement is met, and the production efficiency is improved. And through cooperation of an adjusting handle, a limiting piece, a limiting groove, a movable pressing block, a limiting rod and a clamping groove, the distance between the movable pressing block and the fixed pressing block can be conveniently adjusted, membrane electrodes of different specifications and sizes can be conveniently subjected to limiting machining, and the machining flexibility and adaptability of the device are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen fuel cells, in particular to a membrane coating device for hydrogen fuel cells. Background Art

[0002] During the production process of hydrogen fuel cells, liquid slurry needs to be applied to the surface of the membrane electrode so that the liquid slurry can perfectly adhere to the surface of the membrane electrode. For example, a Chinese patent discloses a hydrogen fuel cell CCM membrane electrode coating device (Announcement No. CN215744570U). Although this device can facilitate the fixation and coating of the membrane electrode, due to the different size specifications of hydrogen fuel cells, the size of the membrane electrode used is also different. This device can only limit and fix the membrane electrode of a fixed size, and cannot adapt to the production and processing of membrane electrodes of multiple sizes, which makes the device have certain limitations. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a membrane coating device for a hydrogen fuel cell, which solves the problem that membrane electrodes of various sizes cannot be limited and fixed.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a membrane coating device for a hydrogen fuel cell, comprising a fixed seat, a fixing unit is arranged on the upper surface of the fixed seat, two support rods are connected to the top surface of the fixed seat, and a coating roller is arranged at the bottom of the fixed seat and below the fixing unit;

[0005] The fixing unit comprises a movable seat, a side surface of which is provided with a plurality of fixed pressure blocks, one end of each of which is connected to a sliding rod, the end surfaces of the two middle groups of fixed pressure blocks are both connected to limiting rods, and the outer surfaces of one end of each of the sliding rod and the limiting rod are connected to movable pressure blocks.

[0006] As a further technical solution of the utility model, through holes are opened on the surface of the movable seat corresponding to the two support rods, the tops of the two support rods are connected to a lifting cylinder, the driving end of the lifting cylinder is connected to the upper surface of the movable seat, and the two ends of the coating roller are connected to connecting plates.

[0007] As a further technical solution of the utility model, a plurality of material placing grooves are provided on the upper surface of the fixed seat, and a supporting frame is provided on the inner side walls of the plurality of material placing grooves. A servo motor is connected to one side of the fixed seat, and a connecting screw is connected to the driving end of the servo motor. The outer surface of one end of the connecting screw passes through and is connected to the surface of the connecting plate.

[0008] As a further technical solution of the utility model, a connecting spring is arranged on the outer surface of the plurality of sliding rods and between the fixed pressure block and the movable pressure block, a guide groove is provided on the bottom surface of the movable pressure block corresponding to the plurality of material loading grooves, the top surface of the movable pressure block is connected to a fixed column, an adjusting handle is connected to the outer surface of the fixed column, and sliding holes are provided on the surface of the adjusting handle corresponding to the fixed column.

[0009] As a further technical solution of the utility model, four limit plates are connected to the bottom surface of the adjustment handle, and limit grooves are provided on the bottom surfaces of the four limit plates. A positioning pin is provided on the inner side wall of the sliding hole, and two positioning holes are provided on the outer surface of the fixed column corresponding to the positioning pin, an adjustment groove is provided between the two positioning holes, and a plurality of engaging grooves are provided on the outer surface of the limit rod corresponding to the limit groove.

[0010] As a further technical solution of the utility model, both end outer surfaces of the coating roller and both end surfaces of the connecting plate are connected with adjusting screws, and both ends of the connecting plate are provided with slots with the sliding path of the coating roller.

[0011] As a further technical solution of the utility model, a through groove is provided on the top surface of the movable pressure block corresponding to the limiting plate, the inner diameter size of the positioning hole is adapted to the outer diameter size of the positioning pin, the inner diameter size of the adjustment groove is adapted to the sliding path of the positioning pin, the sliding paths of the fixed pressure block and the movable pressure block are adapted to the inner diameter size of the material placing groove, and the inner diameter size of the engaging groove is adapted to the inner diameter size of the limiting groove.

[0012] Beneficial Effects

[0013] The utility model provides a membrane coating device for hydrogen fuel cells. Compared with the prior art, it has the following beneficial effects:

[0014] A membrane coating device for hydrogen fuel cells can perform fixed coating on membrane electrodes through the cooperation of a servo motor, a movable seat, a fixed pressure block, a movable pressure block and a coating roller, and the cooperation of an adjusting screw and a coating roller can adjust the distance between the coating roller and the membrane electrode, making it convenient to adjust the coating distance according to processing requirements and adapt to production and processing requirements.

[0015] A membrane coating device for hydrogen fuel cells can conveniently adjust the spacing between a movable pressure block and a fixed pressure block by adjusting the cooperation between a handle, a limit plate, a limit groove, a movable pressure block, a limit rod, and a snap groove, thereby flexibly adjusting the limit fixing size according to the size of the membrane electrode, facilitating the limit processing of membrane electrodes of different specifications and sizes, and improving the processing flexibility and adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a structural schematic diagram of a membrane coating device for hydrogen fuel cells;

[0017] Figure 2 It is a left side view of a membrane coating device for a hydrogen fuel cell;

[0018] Figure 3 It is a schematic diagram of the exploded structure of a membrane coating device for a hydrogen fuel cell;

[0019] Figure 4 A membrane coating device for hydrogen fuel cells Figure 3 A magnified view of A in FIG.

[0020] Figure 5 This is a schematic diagram of the structure of an adjustment handle of a membrane coating device for a hydrogen fuel cell.

[0021] In the figure: 1. fixed seat; 11. material trough; 12. supporting frame; 13. servo motor; 14. connecting screw; 2. fixed unit; 21. movable seat; 22. fixed pressure block; 23. sliding rod; 24. limiting rod; 25. movable pressure block; 26. guide groove; 27. connecting spring; 28. fixed column; 29. ​​adjusting handle; 201. sliding hole; 202. limiting plate; 203. limiting groove; 204. positioning pin; 205. positioning hole; 206. adjusting groove; 207. engaging groove; 3. supporting rod; 31. lifting cylinder; 4. coating roller; 41. connecting plate; 42. adjusting screw. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution for a membrane coating device for a hydrogen fuel cell: a membrane coating device for a hydrogen fuel cell, comprising a fixed seat 1, a fixed unit 2 is arranged on the upper surface of the fixed seat 1, two support rods 3 are connected to the top surface of the fixed seat 1, a coating roller 4 is arranged at the bottom of the fixed seat 1 and below the fixed unit 2, the fixed unit 2 comprises a movable seat 21, a plurality of fixed pressing blocks 22 are arranged on one side of the movable seat 21, one end of the fixed pressing block 22 is connected to a sliding rod 23, the end surfaces of the two groups of fixed pressing blocks 22 in the middle are connected to a limiting rod 24, and the outer surfaces of one end of the sliding rod 23 and the limiting rod 24 are connected to movable pressing blocks 25.

[0024] like Figure 1-3As shown, through holes are provided on the surface of the movable seat 21 corresponding to the two support rods 3, the tops of the two support rods 3 are connected to the lifting cylinders 31, the driving ends of the lifting cylinders 31 are connected to the upper surface of the movable seat 21, the two ends of the coating roller 4 are connected to the connecting plates 41, the upper surface of the fixed seat 1 is provided with a plurality of material placing grooves 11, the inner side walls of the plurality of material placing grooves 11 are all provided with supporting frames 12, a servo motor 13 is connected to one side of the fixed seat 1, the driving end of the servo motor 13 is connected to the connecting screw 14, and the connecting The outer surface of one end of the screw rod 14 passes through the surface of the connecting plate 41, and the outer surfaces of both ends of the coating roller 4 and the two end surfaces of the connecting plate 41 are connected with adjusting screws 42. Both ends of the connecting plate 41 are provided with slots in the sliding path of the coating roller 4. It should be noted that the lifting cylinder 31 can drive the movable seat 21 and the movable pressure block 25 to limit and fix the film inside the material trough 11 to prevent the film from warping, and the adjusting screw 42 can adjust the distance between the coating roller 4 and the film, thereby adjusting the coating tightness.

[0025] like Figure 3-5 As shown, a connecting spring 27 is arranged on the outer surface of the plurality of slide rods 23 and is located between the fixed pressure block 22 and the movable pressure block 25. A guide groove 26 is provided at the bottom surface of the movable pressure block 25 and at the corresponding position of the plurality of material placing grooves 11. A fixed column 28 is connected to the top surface of the movable pressure block 25. An adjusting handle 29 is connected to the outer surface of the fixed column 28. A sliding hole 201 is provided on the surface of the adjusting handle 29 and corresponding to the fixed column 28. Four limiting plates 202 are connected to the bottom surface of the adjusting handle 29. Limiting grooves 203 are provided on the bottom surfaces of the four limiting plates 202. A positioning pin 204 is provided on the inner side wall of the sliding hole 201. Two positioning holes 205 are provided on the outer surface of the fixed column 28 and corresponding to the positioning pin 204. An adjusting groove 206 is provided between the two positioning holes 205. The outer surface of the limiting rod 24 and the limiting pin 204 are provided with two positioning holes 205. An adjusting groove 206 is provided between the two positioning holes 205. A plurality of engaging grooves 207 are provided corresponding to the groove 203, and a through groove is provided corresponding to the top surface of the movable pressing block 25 and the limiting plate 202. The inner diameter of the positioning hole 205 is matched with the outer diameter of the positioning pin 204, and the inner diameter of the adjusting groove 206 is matched with the sliding path of the positioning pin 204. The sliding path of the fixed pressing block 22 and the movable pressing block 25 is matched with the inner diameter of the feeding groove 11, and the inner diameter of the engaging groove 207 is matched with the inner diameter of the limiting groove 203. It should be noted that the adjusting handle 29 can adjust the engagement between the limiting plate 202 and different engaging grooves 207 through the cooperation of the positioning pin 204 and the two positioning holes 205, so as to facilitate the adjustment of the downward fixed position of the movable pressing block 25 according to the size of the film, and is convenient for use in the processing of films of multiple sizes.

[0026] Working principle of the utility model: when in use, according to the size of the membrane electrode, the adjusting handle 29 is pulled upward along the outer surface of the fixed column 28, so that the positioning pin 204 on the inner wall of the sliding hole 201 is separated from the positioning hole 205 at the bottom, and slides into the positioning hole 205 at the top along the adjusting groove 206, and the limiting piece 202 and the limiting groove 203 are separated from the engaging groove 207 of the limiting rod 24, and the connecting spring 27 drives the movable pressing block 25 to slide in the direction of the fixed pressing block 22. After sliding to the appropriate position, the adjusting handle 29 is reset, so that the limiting piece 202 and the limiting groove 203 are engaged with the corresponding engaging groove 207, and the position adjustment of the movable pressing block 25 can be completed;

[0027] Place the membrane electrode into the upper surface of the supporting frame 12 of the material trough 11, start the lifting cylinder 31, drive the movable seat 21 and the fixed pressure block 22 and the movable pressure block 25 to fix the membrane electrode, and then according to the processing requirements, turn the adjusting screw 42 to make the distance between the coating roller 4 and the membrane electrode appropriate, start the servo motor 13 to drive the coating roller 4 to move back and forth on the ground of the membrane electrode to carry out the coating process.

Claims

1. A membrane coating device for a hydrogen fuel cell, comprising a fixing seat (1), characterized in that: A fixing unit (2) is arranged on the upper surface of the fixing seat (1), two support rods (3) are connected to the top surface of the fixing seat (1), and a coating roller (4) is arranged at the bottom of the fixing seat (1) and below the fixing unit (2); The fixing unit (2) comprises a movable seat (21), a side surface of which is provided with a plurality of fixed pressure blocks (22), one end of each of the fixed pressure blocks (22) being connected to a sliding rod (23), the end surfaces of the two middle groups of the fixed pressure blocks (22) being connected to a limiting rod (24), and the outer surfaces of one end of each of the sliding rod (23) and the limiting rod (24) being connected to a movable pressure block (25).

2. A membrane coating device for a hydrogen fuel cell according to claim 1, characterized in that: Through holes are provided on the surface of the movable seat (21) corresponding to the two support rods (3); the tops of the two support rods (3) are connected to lifting cylinders (31); the driving ends of the lifting cylinders (31) are connected to the upper surface of the movable seat (21); and connecting plates (41) are connected to both ends of the coating roller (4).

3. A membrane coating device for a hydrogen fuel cell according to claim 2, characterized in that: The upper surface of the fixing seat (1) is provided with a plurality of material placement grooves (11), the inner side walls of the plurality of material placement grooves (11) are all provided with a supporting frame (12), a servo motor (13) is connected to one side of the fixing seat (1), a connecting screw (14) is connected to the driving end of the servo motor (13), and the outer surface of one end of the connecting screw (14) penetrates and is connected to the surface of the connecting plate (41).

4. A membrane coating device for a hydrogen fuel cell according to claim 3, characterized in that: A connecting spring (27) is provided on the outer surface of the plurality of slide bars (23) and between the fixed pressure block (22) and the movable pressure block (25); a guide groove (26) is provided on the bottom surface of the movable pressure block (25) at positions corresponding to the plurality of material placement grooves (11); a fixed column (28) is connected to the top surface of the movable pressure block (25); an adjustment handle (29) is connected to the outer surface of the fixed column (28); and a sliding hole (201) is provided on the surface of the adjustment handle (29) corresponding to the fixed column (28).

5. A membrane coating device for a hydrogen fuel cell according to claim 4, characterized in that: The bottom surface of the adjustment handle (29) is connected to four limiting plates (202), and the bottom surfaces of the four limiting plates (202) are all provided with limiting grooves (203). The inner side wall of the sliding hole (201) is provided with a positioning pin (204). The outer surface of the fixing column (28) is provided with two positioning holes (205) corresponding to the positioning pin (204), and an adjustment groove (206) is provided between the two positioning holes (205). The outer surface of the limiting rod (24) is provided with a plurality of engaging grooves (207) corresponding to the limiting grooves (203).

6. A membrane coating device for a hydrogen fuel cell according to claim 2, characterized in that: Adjustment screws (42) are connected to the outer surfaces of both ends of the coating roller (4) and to both end surfaces of the connecting plate (41), and slots are formed at both ends of the connecting plate (41) and in the sliding path of the coating roller (4).

7. A membrane coating device for a hydrogen fuel cell according to claim 5, characterized in that: A through groove is formed on the top surface of the movable pressing block (25) corresponding to the limiting plate (202); the inner diameter of the positioning hole (205) matches the outer diameter of the positioning pin (204); the inner diameter of the adjusting groove (206) matches the sliding path of the positioning pin (204); the sliding paths of the fixed pressing block (22) and the movable pressing block (25) match the inner diameter of the material placement groove (11); and the inner diameter of the engaging groove (207) matches the inner diameter of the limiting groove (203).