CN217140835U

CN217140835U - Spraying tool for producing fuel cell membrane electrode assembly

Info

Publication number: CN217140835U
Application number: CN202220232997.3U
Authority: CN
Inventors: 方蕾; 茹皓; 高璐璐; 沈新龙; 曹寅亮; 李伯球; 徐淳川; 张树国
Original assignee: Zhejiang Tianneng Hydrogen Energy Technology Co ltd
Current assignee: Zhejiang Tianneng Hydrogen Energy Technology Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-09
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a spraying frock of fuel cell membrane electrode assembly production usefulness, including anchor clamps, delivery track and absorption work platform. The adsorption working platform comprises a bottom plate and a spraying supporting platform which is convexly arranged on the top surface of the bottom plate, and the spraying supporting platform is made of microporous breathable materials; during spraying, the adsorption working platform is lifted to enable the spraying supporting platform to be attached to and cover the spraying avoiding hole of the lower clamping plate. The utility model discloses the spraying frock is through carrying the spraying station with anchor clamps cooperation delivery track, then adsorbs work platform to rise cooperation anchor clamps, adsorbs the back through the negative pressure, carries out the operation of spraying catalyst, adsorbs the decline of work platform and resets after the spraying, and anchor clamps continue to carry along delivery track, realize the continuity of production. The utilization rate of equipment is improved, the intermediate operation time is saved, the participation of personnel in production is reduced, and the labor cost is reduced.

Description

Spraying tool for producing fuel cell membrane electrode assembly

Technical Field

The utility model relates to a fuel cell produces technical field, especially relates to a spraying frock of fuel cell membrane electrode assembly production usefulness.

Background

A fuel cell is an electrochemical reaction device that directly converts chemical energy in fuel into electrical energy, and there are mainly 5 types depending on electrolytes and operating conditions. Among them, Proton Exchange Membrane Fuel Cells (PEMFCs) are known as the most likely ideal power source for electric vehicles to replace internal combustion engines and storage batteries with their unique advantages, such as no pollution, fast start, long battery life, high specific power, high specific energy, and low operating temperature, and can be developed as distributed independent power sources for various portable power sources, and the market is very wide.

The membrane electrode assembly is a core component of PEMFCs and is a decisive factor for the performance, lifetime and cost of PEMFCs. The membrane electrode is composed of a proton exchange membrane (proton membrane), a catalyst layer, and a gas diffusion layer, and CCM composed of a proton exchange membrane and catalyst layers of both anode and cathode electrodes is a main site where chemical reaction occurs. At present, ultrasonic spraying is one of the main ways for manufacturing CCM, and in the process of realizing industrialization of fuel cells, it is important to realize continuous production in ultrasonic spraying.

At present, when the ultrasonic spraying equipment is used for manufacturing products, the operation of film uncovering and film pasting needs to be carried out at the end of each batch due to the limitation of equipment and materials, and thus, the continuous production of the products is very unfavorable.

For example, the utility model discloses a fuel cell CCM catalyst spraying device is disclosed for CN 212041135U's utility model, including rack and spraying assembly, rack one side is equipped with the outside rectangle opening of intercommunication, the rack is inside to be close to the layer board that rectangle opening bottom position department was fixed with the level and sets up, the layer board top is provided with the module subassembly that realizes that spraying assembly moves on the horizontal plane, and spraying assembly includes the spray painting support of vertical setting, and spray painting support lateral wall both sides position department all is fixed with the spraying head of vertical setting, the layer board is close to spraying assembly bottom position department and is provided with adsorption platform.

SUMMERY OF THE UTILITY MODEL

The utility model provides a spraying frock of fuel cell membrane electrode assembly production usefulness to the above-mentioned not enough that exists among the prior art, can carry out the operation of continuity.

A spraying tool for producing a fuel cell membrane electrode assembly comprises:

the clamp comprises an upper clamp plate and a lower clamp plate which are used in a matched mode and used for clamping the proton membrane, and the upper clamp plate and the lower clamp plate are correspondingly provided with spraying avoidance holes used for avoiding a spraying area on the proton membrane;

the conveying track is used for conveying a clamp for clamping the proton membrane and is provided with a spraying station;

the adsorption working platform is arranged below the conveying track at the spraying station and comprises a bottom plate and a spraying supporting platform which is convexly arranged on the top surface of the bottom plate, and the spraying supporting platform is made of microporous breathable materials; during spraying, the adsorption working platform is lifted to enable the spraying supporting platform to be attached to and cover the spraying avoiding hole of the lower clamping plate.

Preferably, the conveying track comprises two conveying chains respectively matched with two sides of the clamp, and a supporting rod used for supporting one side of the clamp is arranged on each conveying chain.

Preferably, a fixing mechanism is arranged between the upper clamping plate and the lower clamping plate and comprises a plurality of bolts penetrating through the upper clamping plate and the lower clamping plate and nuts matched with the bolts.

Preferably, the bottom surface of the upper plate is provided with a positioning column, the lower plate is provided with a positioning hole matched with the positioning column, or the top surface of the lower plate is provided with a positioning column, and the upper plate is provided with a positioning hole matched with the positioning column.

Preferably, the top surface of punch holder and the bottom surface of lower plate all are equipped with the effective spraying district of a piece indent formation, the hole is dodged in the spraying and effective spraying district is located. More preferably, the effective spray area is provided with a plurality of spray avoidance holes.

Preferably, the edges of the spraying support platform are designed to be round corners.

The utility model discloses the spraying frock of fuel cell membrane electrode assembly production usefulness is through carrying the spraying station with anchor clamps cooperation delivery track, then adsorbs work platform to rise cooperation anchor clamps, through the negative pressure adsorption back, carries out the operation of spraying catalyst, adsorbs work platform decline to reset after the spraying, and anchor clamps continue to carry along delivery track, realize continuity of production. The utilization rate of equipment is improved, the intermediate operation time is saved, the participation of personnel in production is reduced, and the labor cost is reduced.

Drawings

Fig. 1 is the utility model discloses the side view structure schematic diagram of spraying frock.

Fig. 2 is a schematic view of the top view structure of the spraying tool of the present invention.

Fig. 3 is a schematic perspective view of the clamp.

Fig. 4 is a schematic top view of the fixture.

Fig. 5 is a sectional view taken along a-a in fig. 4.

Fig. 6 is a partial enlarged view of B in fig. 5.

Fig. 7 is an exploded view of the clip.

FIG. 8 is a schematic perspective view of an adsorption work platform

Fig. 9 is a schematic structural view of the clamp and the adsorption working platform.

Description of the drawings: the spraying device comprises a clamp 1, an upper clamping plate 11, a lower clamping plate 12, an effective spraying area 13, a spraying avoidance hole 14, a bolt 15, a nut 16, a positioning column 17 and a positioning hole 18;

the conveying track 2, the conveying chain 21 and the supporting rod 22;

the adsorption working platform 3, the bottom plate 31 and the spraying support platform 32.

Detailed Description

As shown in fig. 1 and 2, a spraying tool for producing a fuel cell membrane electrode assembly comprises a clamp 1, a conveying rail 2 and an adsorption working platform 3. Anchor clamps 1 are used for centre gripping proton membrane, and transfer rail 2 is used for carrying the anchor clamps 1 that the centre gripping has proton membrane, and transfer rail 2 has the spraying station, and the below of transfer rail 2 is located to spraying station department to absorption work platform 3. When the clamp 1 is conveyed to the spraying station, the adsorption working platform 3 is lifted up to be matched with the clamp 1, and then spraying work is carried out. The adsorption working platform 3 can be fixed on a liftable operating platform, and the liftable operating platform can use a conventional structure in the prior art, so the structure is not repeated. The conveying track 2 comprises two conveying chains 21 respectively matched with two sides of the clamp 1, and a supporting rod 22 for supporting one side of the clamp 1 is arranged on one opposite side of the two conveying chains 21.

As shown in fig. 3 to 7, the fixture 1 includes an upper clamp plate 11 and a lower clamp plate 12 used cooperatively for clamping the proton membrane, and the upper clamp plate 11 and the lower clamp plate 12 are correspondingly provided with a spraying avoidance hole 14 for avoiding a spraying area on the proton membrane. The top surface of the upper clamping plate 11 and the bottom surface of the lower clamping plate 12 are both provided with an effective spraying area 13 formed by the inner concave of the block, and the spraying avoidance hole 14 is arranged in the effective spraying area 13. A plurality of spray avoidance holes 14 are provided in the active spray area 13. In the embodiment shown in the figures, three spray relief holes 14 are provided in the active spray area 13.

A fixing mechanism is arranged between the upper clamping plate 11 and the lower clamping plate 12, and the fixing mechanism comprises a plurality of bolts 15 penetrating through the upper clamping plate 11 and the lower clamping plate 12 and nuts 16 matched with the bolts 15. The bottom surface of the upper clamp plate 11 is provided with a positioning column 17, the lower clamp plate 12 is provided with a positioning hole 18 matched with the positioning column 17, or the top surface of the lower clamp plate 12 is provided with the positioning column 17, and the upper clamp plate 11 is provided with a positioning hole 18 matched with the positioning column 17. Between upper plate 11 and the lower plate 12 through mutually supporting the location between reference column 17 and the locating hole 18 to be convenient for make up between upper plate 11 and the lower plate 12 and align, as for reference column 17 and locating hole 18 are located upper plate 11 or lower plate 12 on, all can realize the purpose.

As shown in fig. 8 and 9, the adsorption working platform 3 includes a bottom plate 31 and a spraying support platform 32 protruding from the top surface of the bottom plate 31, and the spraying support platform 32 is made of a microporous air permeable material, so as to have an air permeable function and be used for negative pressure suction. The edges of the spraying support platform 32 are designed to be rounded corners, so that the proton membrane can be prevented from being damaged by sharp edges and corners.

During the spraying, the utility model discloses the spraying frock of fuel cell membrane electrode assembly production usefulness is through carrying the spraying station with 1 cooperation delivery track 2 of anchor clamps, the cooperation of 3 absorption work platforms is fixed on the operation platform of a lift, absorption work platform 3 rises, make spraying supporting platform 32 paste and lean on and cover the spraying of lower plate 12 and dodge hole 14, after adsorbing through the negative pressure, carry out the operation of spraying catalyst, absorption work platform 3 descends to reset after the spraying, anchor clamps 1 continues to carry along delivery track 2, realize continuity of production.

Claims

1. A spraying frock of fuel cell membrane electrode assembly production usefulness which characterized in that includes:

the clamp comprises an upper clamp plate and a lower clamp plate which are used in a matched manner and used for clamping the proton membrane, wherein the upper clamp plate and the lower clamp plate are correspondingly provided with spraying avoidance holes for avoiding a spraying area on the proton membrane;

2. The spraying tool according to claim 1, wherein the conveying track comprises two conveying chains respectively matched with two sides of the clamp, and a supporting rod used for supporting one side of the clamp is arranged on each conveying chain.

3. The spraying tool according to claim 1, wherein a fixing mechanism is arranged between the upper clamping plate and the lower clamping plate, and the fixing mechanism comprises a plurality of bolts penetrating through the upper clamping plate and the lower clamping plate and nuts matched with the bolts.

4. The spraying tool according to claim 1, wherein a positioning column is arranged on the bottom surface of the upper clamping plate, a positioning hole matched with the positioning column is arranged on the lower clamping plate, or the positioning column is arranged on the top surface of the lower clamping plate, and a positioning hole matched with the positioning column is arranged on the upper clamping plate.

5. The spraying tool according to claim 1, wherein the top surface of the upper clamping plate and the bottom surface of the lower clamping plate are respectively provided with an effective spraying area formed by an inner concave block, and the spraying avoiding hole is formed in the effective spraying area.

6. The spray coating tool of claim 5 wherein the active spray coating area is provided with a plurality of spray coating relief holes.

7. The spraying tool of claim 1, wherein edges of the spraying support platform are all designed to be rounded.