Auxiliary packaging device for membrane electrode

Abstract

The utility model discloses a membrane electrode auxiliary packaging device, comprising a bearing platform, a plurality of hollow cavities are formed in the bearing platform, and a plurality of air holes communicated with the hollow cavities are arranged on the surface of the bearing platform; the air extracting pump is connected to the plurality of cavities through a first pipeline; the humidifier is connected to the plurality of cavities through a second pipeline; the at least two mould pressing plates are used for laying a frame film of a film electrode, the mould pressing plates are detachably laid on the table top, a plurality of through holes are formed in the mould pressing plates, and the plurality of through holes are aligned to the plurality of air holes of the cavity; and the hot-pressing roller is rotatably erected on the bearing platform, and a hot-pressing space allowing the two mold pressing plates stacked together to penetrate through is formed between the hot-pressing roller and the bearing platform. According to the utility model, the problems that the surface is uneven, wrinkles are easy to generate and the yield is low in the conventional membrane electrode packaging method are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of membrane electrode packaging, and particularly relates to a membrane electrode auxiliary packaging device. Background Art

[0002] In the prior art, most of the membrane electrode packaging is carried out in the following two ways:

[0003] 1. Vacuumize to vacuum-adsorb the membrane electrode so as to fix the membrane electrode;

[0004] 2. Set positioning posts and positioning holes to fix the membrane electrode.

[0005] However, the membrane electrode may shrink, curl or deform due to environmental influences, thereby affecting the performance and product consistency of the membrane electrode.

[0006] When packaging the membrane electrode, problems such as uneven thickness, uneven surface, easy generation of wrinkles, and low yield often occur. Content of the Utility Model

[0007] In order to overcome the defects existing in the prior art, a membrane electrode auxiliary packaging device is provided at present to solve the problems of uneven surface, easy generation of wrinkles, and low yield existing in the existing membrane electrode packaging method.

[0008] To achieve the above object, a membrane electrode auxiliary packaging device is provided, including:

[0009] A base platform, in which a plurality of cavities are formed, and a plurality of air-permeable holes communicating with the cavities are opened on the tabletop of the base platform;

[0010] An air extraction pump, which is connected to the plurality of cavities through a first pipeline;

[0011] A humidifier, which is connected to the plurality of cavities through a second pipeline;

[0012] At least two die plates for laying the frame film of the membrane electrode, which are detachably laid on the tabletop, and a plurality of through holes are opened on the die plates, and the plurality of through holes are aligned with the plurality of air-permeable holes of the cavities;

[0013] A hot pressing roller, which is rotatably mounted on the base platform, and a hot pressing space for two stacked die plates to pass through is formed between the hot pressing roller and the base platform.

[0014] Further, the air extraction pump is a vacuum electric pump.

[0015] Further, the die pressing plate has an opposite front side and a back side, the front side is provided with receiving sockets, and positioning posts are detachably inserted into the receiving sockets. The border film is provided with positioning holes for the positioning posts to pass through.

[0016] Further, the die pressing plate is a metal plate.

[0017] Further, a driving motor is installed on the platform, and the driving motor is drivingly connected to the hot pressing roller.

[0018] The beneficial effects of the present utility model are that the membrane electrode auxiliary encapsulation device of the present utility model changes the traditional operation mode of the sub-machine, realizes the three-in-one effect of humidification, assembly and edge sealing, and improves the equipment utilization rate.

[0019] The membrane electrode auxiliary encapsulation device of the present utility model combines vacuum adsorption and humidification treatment, making the membrane electrode more flat and compliant, and effectively improving the product yield.

[0020] The overall structure of the membrane electrode auxiliary encapsulation device of the present utility model is simple, and the prices of spare parts are relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, objects and advantages of the present application will become more apparent:

[0022] Figure 1 It is a schematic structural diagram of the membrane electrode auxiliary encapsulation device according to an embodiment of the present utility model.

[0023] Figure 2 It is a schematic structural diagram of the hot pressing roller according to an embodiment of the present utility model.

[0024] Figure 3 It is a schematic diagram of the superposition state of the die pressing plates according to an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further describes the present application in detail with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than limiting the utility model. Additionally, it should be noted that for the sake of description, only parts related to the utility model are shown in the drawings.

[0026] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and embodiments.

[0027] Refer to Figures 1 to 3As shown in the figure, the utility model provides a membrane electrode auxiliary encapsulation device, including: a bearing platform 1, an air extraction pump 2, a humidifier 3, a die pressing plate 4, and a hot pressing roller 5.

[0028] In this embodiment, the bearing platform 1 is rectangular. A plurality of cavities are formed inside the bearing platform 1. A plurality of air permeable holes 10 communicating with the cavities are opened on the tabletop of the bearing platform.

[0029] The air extraction pump 2 is connected to the plurality of cavities through a first pipeline.

[0030] As a preferred embodiment, the air extraction pump 2 is a vacuum electric pump.

[0031] The humidifier 3 is connected to the plurality of cavities through a second pipeline.

[0032] The number of the two die pressing plates 4 is at least two. The die pressing plates are used for laying the border film of the membrane electrode. The die pressing plates are detachably laid on the tabletop. A plurality of through holes are opened on the die pressing plate 4. The plurality of through holes are aligned with the plurality of air permeable holes 10 of the cavity.

[0033] Specifically, the die pressing plate 4 has a front surface and a back surface opposite to each other. The border film of the membrane electrode is laid on the front surface of the die pressing plate. The back surface of the die pressing plate faces the tabletop of the bearing platform. A socket is opened on the front surface of the die pressing plate 4. A positioning post is detachably inserted into the socket. A positioning hole for the positioning post to pass through is opened on the border film.

[0034] As a preferred embodiment, the die pressing plate 4 is a metal plate. The metal plate has better rigidity and heat conduction performance.

[0035] The hot pressing roller 5 is rotatably mounted on the bearing platform. The hot pressing roller is arranged in the horizontal direction. The hot pressing roller is an electrothermal hot pressing roller. A hot pressing space is formed between the hot pressing roller 5 and the bearing platform. The hot pressing space is for the two die pressing plates 4 stacked together to pass through.

[0036] Specifically, referring to Figure 2 As shown in the figure, ear plates are vertically arranged on the opposite sides of the bearing platform respectively. Shaft rods are connected to both ends of the hot pressing roller. Shaft holes are opened on the ear plates. The shaft rods are rotatably inserted into the shaft holes of the ear plates.

[0037] A driving motor 6 is installed on the bearing platform 1. The driving motor 6 is in transmission connection with the hot pressing roller 5. In this embodiment, the output end of the driving motor is coaxially connected to the shaft rod of the hot pressing roller.

[0038] The construction method of the membrane electrode auxiliary encapsulation device of the utility model includes the following steps:

[0039] S1. Place the proton membrane and the cathode hot melt adhesive border film with the release film peeled off on the front surface of a die pressing plate, and fix the cathode hot melt adhesive border film with positioning posts.

[0040] S2. Turn on the air pump to form a negative pressure adsorption border film in a cavity of the bearing platform that aligns with the die pressing plate.

[0041] S3. Turn on the humidifier, and the humidifier generates humidified gas that flows into another cavity of the bearing platform corresponding to the proton membrane.

[0042] S4. Place the humidified proton membrane on the fixed cathode hot melt adhesive border film, and then place the anode border film with the release film peeled off on it.

[0043] S5. Align with the positioning posts, cover another die pressing plate of the same size, so that as Figure 3 shown, the front sides of the two die pressing plates are stacked together facing each other, and thus the membrane electrodes are assembled together.

[0044] S6. Turn off the humidifier and the air pump, and remove the positioning posts.

[0045] S7. Turn on the hot pressing roller. After reaching the set temperature, pass the assembled membrane electrode through the hot pressing space between the hot pressing roller and the bearing platform to complete the hot pressing encapsulation of the membrane electrode, thereby obtaining a flat and compliant membrane electrode.

[0046] In this embodiment, the bearing platform bears the die pressing plate of the membrane electrode and is connected to the air pump and the humidifier.

[0047] In this embodiment, the air pump adsorbs and fixes the membrane electrode on the bearing platform.

[0048] In this embodiment, the die pressing plate is used to load the assembled membrane electrode to prevent displacement.

[0049] In this embodiment, the humidifier wets the proton membrane.

[0050] In this embodiment, the positioning posts are used to fix the encapsulation position of the membrane electrode.

[0051] In this embodiment, the hot pressing roller hot presses the assembled membrane electrode.

[0052] The membrane electrode auxiliary encapsulation device of the present utility model changes the traditional operation mode of separate machines, realizes the three-in-one effect of humidification, assembly and edge sealing, and improves the equipment utilization rate.

[0053] The membrane electrode auxiliary encapsulation device of the present utility model combines vacuum adsorption and humidification treatment, makes the membrane electrode more flat and compliant, and effectively improves the product yield.

[0054] The overall structure of the membrane electrode auxiliary encapsulation device of the present utility model is simple, and the prices of spare parts are relatively low.

[0055] The above description is only a preferred embodiment of the present application and an explanation of the technical principles applied. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept of the utility model. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) disclosed in the present application that have similar functions.

Claims

1. A membrane electrode assisted encapsulation device, characterized in that, include: A support platform, wherein a plurality of cavities are formed in the support platform, and a surface of the support platform is provided with a plurality of air holes connected to the cavities; An air pump connected to the plurality of cavities via a first pipeline; a humidifier, the humidifier being connected to the plurality of cavities via a second pipeline; At least two molded plates for laying the frame membrane of the membrane electrode are detachably laid on the table top, the molded plates are provided with a plurality of through holes, and the plurality of through holes are aligned with the plurality of air holes of the cavity; The hot pressing roller is rotatably mounted on the support platform, and a hot pressing space for two superimposed molding plates to pass through is formed between the hot pressing roller and the support platform.

2. The membrane electrode assisted encapsulation device according to claim 1, wherein, The air pump is a vacuum electric pump.

3. The membrane electrode auxiliary encapsulation device according to claim 1, wherein, The molded plate has a front side and a back side opposite to each other. The front side is provided with a socket hole, in which a positioning column is detachably inserted. The frame film is provided with a positioning hole for the positioning column to pass through.

4. The membrane electrode assisted encapsulation device according to claim 3, wherein, The die-pressed plate is a metal plate.

5. The membrane electrode auxiliary encapsulation device according to claim 1, characterized in that A driving motor is installed on the support platform, and the driving motor is drivingly connected to the hot pressing roller.

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