CN211416293U

CN211416293U - Hot rolling mechanism of hydrogen fuel cell chip

Info

Publication number: CN211416293U
Application number: CN201921763748.1U
Authority: CN
Inventors: 刘家洪; 蔡奇志
Original assignee: Shenzhen Second Intelligent Equipment Co Ltd
Current assignee: Shenzhen Second Intelligent Equipment Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-04
Anticipated expiration: 2029-10-18

Abstract

The utility model provides a hydrogen fuel cell chip's hot rolling mechanism, it includes hot rolling device, some pre-fixing device and place the platform. The CCM and the film are flatly laid on the placing platform, the starting point pre-fixing device can automatically fix the edge of the film to prevent the film from bulging or creasing during subsequent rolling, after pre-fixing, the hot rolling device is started, the roller rod can roll on the film and the CCM in a reciprocating mode, and the roller rod has certain heat, so that the film can be pressed on the CCM. It is visible, the utility model discloses a hot-rolling mechanism has realized the automation mechanized operation that CCM crossed the moulding, has improved production efficiency.

Description

Hot rolling mechanism of hydrogen fuel cell chip

Technical Field

The utility model belongs to hydrogen fuel cell production facility field especially relates to a hot rolling mechanism of hydrogen fuel cell chip.

Background

The fuel cell is a new power supply with development prospect, and generally takes hydrogen, carbon, methanol, borohydride, coal gas or natural gas as fuel, as a cathode, and takes oxygen in the air as an anode. It is mainly different from a general battery in that an active material of the general battery is previously put inside the battery, and thus the battery capacity depends on the amount of the active material stored; the active materials (fuel and oxidant) of the fuel cell are continuously supplied while reacting, and therefore, such a cell is actually only an energy conversion device. The battery has the advantages of high conversion efficiency, large capacity, high specific energy, wide power range, no need of charging and the like.

The Membrane Electrode Assembly (MEA) is one of the most important components of a hydrogen fuel cell, and is composed of a fuel Cell Chip (CCM), a Gas Diffusion Layer (GDL), and the like, and the MEA operates on the principle that hydrogen and oxygen on both sides of an electrode are electrochemically reacted by electrocatalysis of a cathode and an anode and proton conductivity of a proton exchange membrane to generate electric energy.

Wherein CCM is a catalyst/proton exchange membrane module prepared by coating fuel cell catalysts on both sides of a proton exchange membrane. The CCM needs to be subjected to plastic coating before being attached to the GDL, namely a layer of film (such as a PET film) needs to be attached to the front side and the back side of the CCM, and in order to realize the automatic plastic coating operation of the CCM, an automatic plastic coating device is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a hot rolling mechanism of hydrogen fuel cell chip is provided aims at realizing the automatic plastic operation of crossing of CCM, improves production efficiency.

The utility model discloses a realize like this, a hydrogen fuel cell chip's hot rolling mechanism, it includes hot rolling device, some pre-fixing device and place the platform, hot rolling device has the roller stick that is used for the hot pressing, the roller stick transversely sets up above place the platform, the roller stick can pass through the drive of power supply, and the reciprocating roll is on place the platform, rolls and puts hydrogen fuel cell chip and film on the platform; the point pre-fixing device is arranged above the placing platform and can be driven by a power source to dispense glue on the edge of the film on the placing platform.

Further, the placing platform comprises a vacuum chuck and a nanometer chuck, the nanometer chuck is located in the central area of the vacuum chuck, and a plurality of miniature vacuum suction holes are formed in the vacuum chuck.

Furthermore, hot rolling device still includes the mounting bracket, the mounting bracket has a driving plate and two connecting plates, two connecting plates are the vertical fixation respectively in the both ends of driving plate, the both ends of roller are installed respectively two connecting plates on.

Furthermore, a hollow area is formed in the connecting plate in the vertical direction, the end part of the roller rod is connected with a movable block, and the movable block is embedded in the hollow area and can vertically move in the hollow area; and a buffer spring is clamped between the movable block and the top wall of the hollow area.

Further, the hot rolling device also comprises a plurality of weights, shaft sleeves and vertical shafts; the bottom of vertical axle with movable block fixed connection, a plurality of weights and axle sleeve cover are established at vertical epaxially, and, a plurality of weights are located on the top surface of axle sleeve, the axle sleeve is pressed on buffer spring's top.

Further, the point pre-fixing device is installed on the installation frame.

Compared with the prior art, the utility model, beneficial effect lies in:

the utility model discloses a hot rolling mechanism has hot rolling device, some pre-fixing device and place the platform, CCM and film tiling on place the platform, start the edge that some pre-fixing device can the automatic point firm film, bulge or pincher trees when preventing follow-up roll-in, after solid in advance, start hot rolling device, the roller stick can reciprocate to roll on film and CCM, because the roller stick has certain heat, so, can be with the film pressfitting on CCM. It is visible, the utility model discloses a hot-rolling mechanism has realized the automation mechanized operation that CCM crossed the moulding, has improved production efficiency.

Drawings

Fig. 1 is a schematic perspective view of a thermal rolling mechanism of a hydrogen fuel cell chip according to an embodiment of the present invention;

FIG. 2 is an exploded view of the thermal rolling device in the mechanism shown in FIG. 1;

FIG. 3 is another exploded view of the thermal rolling device in the mechanism shown in FIG. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, a thermal rolling mechanism for a hydrogen fuel cell chip according to an embodiment of the present invention is shown, which includes a thermal rolling device 1, a point pre-fixing device 2, and a placing platform 3.

The placing platform 3 includes a vacuum chuck 31 and a nano-chuck 32, the nano-chuck 32 is located in a central region of the vacuum chuck 31, and the vacuum chuck 31 is provided with a plurality of micro vacuum suction holes 311. The film can be sucked flat through the vacuum suction disc 31, so that the film is prevented from bulging or wrinkling; and the nano-sucker 32 can suck the CCM flat, so that the CCM is prevented from bulging or wrinkling.

Referring to fig. 2 and 3, the hot rolling apparatus 1 has a roller 11 for hot pressing, a mounting frame 12, weights 13, a shaft housing 14, and a vertical shaft 15. Roller 11 transversely sets up in place flat bed 3 top, and roller 11 can pass through the drive of power supply, and reciprocal roll on place flat bed 3, and then film and CCM on place flat bed 3 are placed in the roll extrusion.

The mounting frame 12 has a driving plate 121 and two connecting plates 122, the two connecting plates 122 are respectively and vertically fixed at two ends of the driving plate 121, and two ends of the roller bar 11 are respectively mounted on the two connecting plates 122. The connecting plate 122 is provided with a hollow area 1221 along the vertical direction, the end part of the roller rod 11 is connected with a movable block 16, and the movable block 16 is embedded in the hollow area 1221 and can vertically move in the hollow area 1221; the buffer spring 17 is clamped between the movable block 16 and the top wall of the hollow area 1221, so that hard contact with a product is avoided in the rolling process of the roller rod 11, and the product can be prevented from being crushed by the roller rod 11. The bottom end of the vertical shaft 15 is fixedly connected with the movable block 16, the weights 13 and the shaft sleeve are sleeved on the vertical shaft 15, the weights 13 are located on the top surface of the shaft sleeve 14, and the shaft sleeve 14 is pressed on the top end of the buffer spring 17. The contact pressure of the roller rod 11 and the product can be adjusted by adding or subtracting the number of the weights 13.

The point pre-fixing device 2 is arranged above the placing platform 3, and the point pre-fixing device 2 can dispense glue on the edge of the film on the placing platform 3 through the driving of a power source. The dispensing positions are distributed at intervals along the edge of the film and are used for pre-fixing the film, so that the phenomena of bulging, wrinkling and the like in the hot rolling process are avoided.

In the present embodiment, the point pre-fixing device 2 is mounted on the mounting frame 12 so as to share the same moving mechanism with the hot rolling device 1.

It will be readily understood that the power source mentioned above may or may not be a component of the thermal rolling mechanism.

The operation process of the hot rolling mechanism of the embodiment for performing the plasticizing on the CCM is as follows:

the CCM is first placed right side up on the nanopipette 32 and then the membrane is laid down, wherein the edge area of the membrane corresponds to the vacuum chuck 31. And the starting point pre-fixing device 2 is used for dispensing at intervals along the edge position of the film to pre-fix the film. The hot rolling device 1 is started and the roll bar 11 presses the film and the CCM downward and rolls simultaneously, thereby adhering the film to the front surface of the CCM. And turning over the CCM and the film to enable the back surface of the CCM to face upwards, paving the film again, and then performing point fixing and hot-pressing roller operation again to adhere the film on the back surface of the CCM.

The hot rolling mechanism of the embodiment is provided with a hot rolling device 1, a point pre-fixing device 2 and a placing platform 3, a CCM and a film are flatly laid on the placing platform 3, the starting point pre-fixing device 1 can automatically fix the edge of the film, the film is prevented from bulging or wrinkling during subsequent rolling, after pre-fixing, the hot rolling device 1 is started, a roller rod 11 can roll on the film and the CCM in a reciprocating mode, and the roller rod 11 has certain heat, so that the film can be laminated on the CCM.

Therefore, the hot rolling mechanism of the embodiment realizes the automatic operation of CCM plastic coating, and improves the production efficiency.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The hot rolling mechanism for the hydrogen fuel cell chip is characterized by comprising a hot rolling device, a point pre-fixing device and a placing platform, wherein the hot rolling device is provided with a roller rod for hot pressing, the roller rod is transversely arranged above the placing platform, and the roller rod can be driven by a power source to roll on the placing platform in a reciprocating manner to roll the hydrogen fuel cell chip and a film on the placing platform; the point pre-fixing device is arranged above the placing platform and can be driven by a power source to dispense glue on the edge of the film on the placing platform.

2. The thermal rolling mechanism for hydrogen fuel cell chips as defined in claim 1, wherein said platform comprises a vacuum chuck and a nano-chuck, said nano-chuck is located in the central region of said vacuum chuck, said vacuum chuck is provided with a plurality of micro vacuum suction holes.

3. The thermal rolling mechanism for a hydrogen fuel cell chip as claimed in claim 1, wherein the thermal rolling mechanism further comprises a mounting frame having a driving plate and two connecting plates, the two connecting plates being vertically fixed to two ends of the driving plate, respectively, and two ends of the roll rod being mounted on the two connecting plates, respectively.

4. The hot rolling mechanism for a hydrogen fuel cell chip as claimed in claim 3, wherein the connecting plate is opened with a hollow region along a vertical direction, and a movable block is connected to an end of the roller rod, and the movable block is embedded in the hollow region and can move vertically in the hollow region; and a buffer spring is clamped between the movable block and the top wall of the hollow area.

5. The thermal rolling mechanism for a hydrogen fuel cell chip as claimed in claim 4, wherein the thermal rolling mechanism further comprises weights, a shaft sleeve and a vertical shaft; the bottom of vertical axle with movable block fixed connection, a plurality of weights and axle sleeve cover are established at vertical epaxially, and, a plurality of weights are located on the top surface of axle sleeve, the axle sleeve is pressed on buffer spring's top.

6. The thermal rolling mechanism for a hydrogen fuel cell chip as claimed in claim 3, wherein said spot-affixing means is mounted on said mounting frame.