CN217094234U - Gluing tool for cathode carbon paper and membrane electrode of fuel cell - Google Patents
Gluing tool for cathode carbon paper and membrane electrode of fuel cell Download PDFInfo
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- CN217094234U CN217094234U CN202220704770.4U CN202220704770U CN217094234U CN 217094234 U CN217094234 U CN 217094234U CN 202220704770 U CN202220704770 U CN 202220704770U CN 217094234 U CN217094234 U CN 217094234U
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- carbon paper
- cathode carbon
- membrane electrode
- fuel cell
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Abstract
The utility model belongs to the technical field of fuel cell, specifically disclose a rubber coating frock of fuel cell negative pole carbon paper and membrane electrode, including the rubber coating board, the four sides of rubber coating board are equipped with the fixed block respectively, and it is protruding that the inboard of fixed block is located the location that is used for going on fixing a position negative pole carbon paper, fixes a position bellied cross-section and is triangle-shaped. And the gluing tool is provided with a mounting hole for mounting the gluing machine. The glue coating plate is also provided with two groups of positioning holes, the positioning holes can correspond to the positions of the two air inlets on the cathode carbon paper, and specifically the two positioning holes can respectively correspond to the two air inlets at opposite angles on the cathode carbon paper. The automatic gluing of a plurality of two-in-one monomers is realized at one time by adopting a gluing machine, the mass production is carried out, the preparation speed is high, the purpose of improving the preparation efficiency of the two-in-one monomers of the cathode carbon paper and the membrane electrode can be achieved, and the automatic production is favorably realized; and the size of the membrane electrode is consistent with that of the cathode carbon paper, so that the redundant part does not need to be cut off, and the material is saved.
Description
Technical Field
The utility model belongs to the technical field of fuel cell, especially, relate to a rubber coating frock of fuel cell negative pole carbon paper and membrane electrode.
Background
A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, fuel and oxygen are used as raw materials for the fuel cell, and mechanical transmission parts are not arranged, so that the discharged harmful gas is extremely little, and the service life is long.
A proton exchange membrane fuel cell, which is one type of fuel cell, is mainly composed of an end plate, a collector, a control circuit, a single cell, a support member, a seal member, and the like. Wherein the single cell is one of the most important component parts of the proton exchange membrane fuel cell. The monocell consists of an anode plate, a cathode plate, an anode diffusion layer, a cathode diffusion layer and a membrane electrode (CCM).
The anode plate and the cathode plate of the monocell can be designed and processed and produced according to the functional requirements, the cathode carbon paper (cathode diffusion layer) and the membrane electrode (CCM) are combined into a whole and need to be prepared by gluing through a sealant, and the quality of the preparation effect is one of the key factors influencing the performance of the fuel cell. And coating the sealant on the processed single pieces of carbon paper one by one, then sequentially laminating and placing the surface coated with the sealant on a large-size membrane electrode, pressurizing the membrane electrode and the large-size membrane electrode, and curing at normal temperature. After curing, manually cutting according to the outline size of the cathode carbon paper attached to the membrane electrode, and dividing into single cathode carbon paper and membrane electrode assemblies to prepare for preparing single cells subsequently.
The above-mentioned gluing method is troublesome, and need to use the membrane electrode of bigger size, cut finally, cause the waste of raw materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rubber coating frock of fuel cell negative pole carbon paper and membrane electrode to the rubber coating mode that exists is complicated among the solution prior art, and cuts the extravagant problem of raw materials that causes to the membrane electrode of great size.
In order to achieve the above purpose, the technical scheme of the utility model is that: a gluing tool for cathode carbon paper and a membrane electrode of a fuel cell comprises a gluing plate, wherein four sides of the gluing plate are respectively provided with two groups of positioning bulges for positioning the cathode carbon paper; and the gluing tool is provided with a mounting hole for mounting the gluing machine.
Furthermore, two groups of positioning holes are further formed in the glue coating plate, and the positioning holes can correspond to the positions of the two air inlets in the cathode carbon paper.
Furthermore, the two positioning holes can respectively correspond to two air inlets at opposite angles on the cathode carbon paper.
Furthermore, the cross section of the positioning protrusion is triangular, and the tip of the triangle is used for positioning the cathode carbon paper.
Furthermore, four sides of the glue coating plate are respectively provided with a fixed block, and the positioning bulges are arranged on the fixed blocks.
Furthermore, the mounting hole is equipped with 2, and is located the diagonal position of rubber coating board respectively.
The working principle of the technical scheme is as follows: in the scheme, a plurality of exhaust holes are pre-processed on the cathode carbon paper, and each two exhaust holes correspond to one monomer. When the device is used, the mounting hole in the glue spreader is mounted with the glue spreader, the cathode carbon paper is placed in the glue spreader, the four sides of the cathode carbon paper are positioned by the positioning protrusions, the placement position of the cathode carbon paper is tested according to the positioning holes, and whether the positioning holes are aligned with the air inlet holes of the cathode carbon paper at the position is also checked. And then a gluing machine is used for gluing on the cathode carbon paper according to a preset track. And after the gluing is finished, the membrane electrode corresponding to the size of the cathode carbon paper is centrally attached to the glued cathode carbon paper, and pressure is applied for a period of time to realize reliable sealing of the sealant, so that a semi-finished product of the assembly is obtained. Taking out the semi-finished product of the assembly from the gluing tool, turning over the semi-finished product, installing an annular silica gel sealing ring in an air inlet on the back of the semi-finished product of the assembly to obtain a finished product of the assembly, and finally cutting the finished product of the assembly into two-in-one single bodies.
The beneficial effects of this technical scheme lie in: the automatic gluing of a plurality of two-in-one monomers is realized at one time by adopting a gluing machine, the mass production is carried out, the preparation speed is high, the purpose of improving the preparation efficiency of the two-in-one monomers of the cathode carbon paper and the membrane electrode can be achieved, and the automatic production is favorably realized; and the size of the membrane electrode is consistent with that of the cathode carbon paper, so that the redundant part does not need to be cut off, and the material is saved. And secondly, the eight positioning bulges are arranged to position the cathode carbon paper, so that the cathode carbon paper is accurately positioned to the corresponding position. And thirdly, because the cathode carbon paper has certain size deviation sometimes, if edge positioning or surface positioning is adopted, the situation that the cathode carbon paper cannot be placed in the gluing tool can occur, so that the technical scheme adopts a three-point-shaped tip to position the cathode carbon paper, and the situation that the cathode carbon paper cannot be placed in the gluing tool can be avoided. And fourthly, the two positioning holes are arranged to carry out accuracy inspection on the placing position of the cathode carbon paper.
Drawings
Fig. 1 is a top view of a gluing tool for a cathode carbon paper and a membrane electrode of a fuel cell according to the present invention;
FIG. 2 is a front view of the gluing tool;
FIG. 3 is a diagram of the preparation of a two-in-one monomer.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the glue spreader comprises a glue spreader 1, a positioning bulge 2, a mounting hole 3, a positioning hole 4 and a fixing block 5.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The examples are substantially as shown in figures 1 to 3: the utility model provides a rubber coating frock of fuel cell cathode carbon paper and membrane electrode, includes rubber coating plate 1, and the four sides of rubber coating plate 1 are equipped with fixed block 5 respectively, and the inboard of fixed block 5 is located and is used for carrying out the protruding 2 of location of fixing a position to cathode carbon paper, and every limit of rubber coating plate 1 corresponds 2 protruding 2 of location, and the protruding 2 cross-section of location is triangle-shaped, and the pointed end of triangle-shaped is used for fixing a position cathode carbon paper. The gluing tool is provided with 2 mounting holes 3 which are mounted with the gluing machine and are respectively positioned at the diagonal positions of the gluing plate 1. The glue spreading plate 1 is further provided with two groups of positioning holes 4, the positioning holes 4 can correspond to the positions of the two air inlets on the cathode carbon paper, and specifically the two positioning holes 4 can respectively correspond to the two air inlets on the cathode carbon paper.
The specific implementation process is as follows:
in the scheme, a plurality of exhaust holes are pre-processed on the cathode carbon paper, and each two exhaust holes correspond to one monomer. During the use, with mounting hole 3 and the spreading machine installation on the spreading plate 1, put negative pole carbon paper in spreading plate 1, location arch 2 fixes a position the four sides of negative pole carbon paper, comes to carry out the accuracy inspection to the position of placing of negative pole carbon paper according to locating hole 4, namely sees that locating hole 4 aligns with the air inlet of negative pole carbon paper at this position. And then, gluing on the cathode carbon paper by a gluing machine according to a preset track. And after the gluing is finished, the membrane electrode corresponding to the size of the cathode carbon paper is centrally attached to the glued cathode carbon paper, and pressure is applied for a period of time to realize reliable sealing of the sealant, so that a semi-finished product of the assembly is obtained. Taking out the semi-finished product of the assembly from the gluing tool, turning over the semi-finished product, installing an annular silica gel sealing ring in an air inlet on the back of the semi-finished product of the assembly to obtain a finished product of the assembly, and finally cutting the finished product of the assembly into two-in-one single bodies.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, so that those skilled in the art can know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the capability of applying the conventional experimental means before this date, and those skilled in the art can complete and implement the schemes in combination with their own capability, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides a rubber coating frock of fuel cell negative pole carbon paper and membrane electrode which characterized in that: the carbon paper pasting device comprises a pasting plate (1), wherein two groups of positioning bulges (2) for positioning cathode carbon paper are respectively arranged on four sides of the pasting plate (1); and the gluing tool is provided with a mounting hole (3) for mounting the gluing machine.
2. The gluing tool for the cathode carbon paper and the membrane electrode of the fuel cell according to claim 1, which is characterized in that: the glue coating plate (1) is further provided with two groups of positioning holes (4), and the positioning holes (4) can correspond to the positions of the two air inlets in the cathode carbon paper.
3. The gluing tool for the cathode carbon paper and the membrane electrode of the fuel cell as claimed in claim 2, which is characterized in that: the two positioning holes (4) can respectively correspond to two air inlets at opposite angles on the cathode carbon paper.
4. The gluing tool for the cathode carbon paper and the membrane electrode of the fuel cell according to claim 1, which is characterized in that: the cross section of the positioning protrusion (2) is triangular, and the tip of the triangle is used for positioning the cathode carbon paper.
5. The gluing tool for the cathode carbon paper and the membrane electrode of the fuel cell according to claim 1, which is characterized in that: four sides of the glue coating plate (1) are respectively provided with a fixed block (5), and the positioning protrusions (2) are arranged on the fixed blocks (5).
6. The gluing tool for the cathode carbon paper and the membrane electrode of the fuel cell according to claim 1, which is characterized in that: the number of the mounting holes (3) is 2, and the mounting holes are respectively positioned at the diagonal positions of the glue spreading plates (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220704770.4U CN217094234U (en) | 2022-03-29 | 2022-03-29 | Gluing tool for cathode carbon paper and membrane electrode of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220704770.4U CN217094234U (en) | 2022-03-29 | 2022-03-29 | Gluing tool for cathode carbon paper and membrane electrode of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217094234U true CN217094234U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220704770.4U Active CN217094234U (en) | 2022-03-29 | 2022-03-29 | Gluing tool for cathode carbon paper and membrane electrode of fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217094234U (en) |
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2022
- 2022-03-29 CN CN202220704770.4U patent/CN217094234U/en active Active
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