CN116253006A - Cutting and transferring device for fuel cell membrane electrode protective film - Google Patents

Abstract

The invention relates to a fuel cell membrane electrode protection film cutting and transferring device, wherein a substrate feeding component comprises a substrate feeding roller and a substrate winding roller, the substrate is led out by the substrate feeding roller, the substrate comprises an upper substrate protection film and a lower cutting substrate, the substrate protection film is wound and wound on the substrate protection film winding roller after bypassing one substrate protection film guiding roller, the membrane electrode protection film is led out by the membrane electrode protection film feeding roller and is pressed and stuck on the cutting substrate separated from the substrate protection film after bypassing one membrane electrode protection film guiding roller to form a composite film section, the composite film section is cut into a protection film finished product through a cutting die, the protection film finished product is adsorbed and removed through a sucker, a protection film waste section is formed after the composite film section is cut, and the protection film waste section is wound and wound on the substrate winding roller. The invention can realize automatic cutting and transferring of the fuel cell membrane electrode protective film, thereby not only improving the production efficiency, but also ensuring the cutting quality.

Description

Cutting and transferring device for fuel cell membrane electrode protective film

technical field

The invention relates to the technical field of fuel cells, in particular to a cutting and transferring device for a fuel cell membrane electrode protective film.

Background technique

A fuel cell is an energy conversion device that can directly convert chemical energy stored in H ₂ and O ₂ into electrical energy. The conversion process is not limited by the Carnot cycle process, so it has high energy conversion efficiency. In addition, the fuel cell also has the characteristics of no noise, no vibration, clean emission, environmental friendliness, and modular arrangement, which makes fuel cell technology have broad application prospects in the fields of new energy vehicles and distributed power stations. The fuel cell membrane electrode is one of the core areas where the electrochemical reaction occurs. It is mainly composed of three parts: the gas diffusion electrode, the proton exchange membrane and the protective membrane. The protective membrane plays the role of insulation, sealing, and protection of the proton exchange membrane.

At present, the protective film processing method is mainly manual cutting and transfer. When cutting by hand, there is a large margin at the edge, and the waste of the protective film is large. Moreover, when the protective film is spread by hand, the edge is easy to wrinkle and cause the membrane electrode to be uneven, which leads to the sealing of the membrane electrode. Ineffective, at the same time, the efficiency of manual cutting and transfer is low, and the automatic assembly of membrane electrodes cannot be realized, which directly affects the industrialization process of fuel cells. As for the efficient cutting and transferring method and device, no similar research has been carried out so far.

Contents of the invention

The purpose of the present invention is to provide a fuel cell membrane electrode protective film cutting and transferring device, which can realize automatic cutting and transferring of the fuel cell membrane electrode protective film, not only improves the production efficiency, but also ensures the cutting quality.

The purpose of the present invention is achieved through the following technical solutions:

A cutting and transferring device for a fuel cell membrane electrode protection film, comprising a base material feeding assembly and a base material protection film take-up roller and a membrane electrode protection film feeding roller arranged sequentially on the upper side of the base material feeding assembly along the conveying direction , a knife die and a transfer suction cup, the substrate feeding assembly includes a substrate feeding roller and a substrate winding roller, and the substrate is drawn out by the substrate feeding roller, and the substrate includes an upper substrate protective film and The base material of the lower layer is cut, and the base material protection film is wound and wound on the base material protection film take-up roll after winding around a base material protection film guide roller, and the membrane electrode protection film is formed by the membrane electrode protection film The feeding roller leads out and bypasses a membrane electrode protective film guide roller, and then presses and sticks it on the cut substrate separated from the substrate protective film to form a composite film segment, and the composite film segment is cut into a protective film by the knife die Finished product, the finished protective film is absorbed and removed by the transfer suction cup, the composite film section is cut to form a protective film waste section, and the protective film waste section is wound and wound on the base material winding roller .

The knife mold includes an inner knife and an outer knife, both of which are closed, and the inner knife is arranged in the outer knife, the lower edge of the inner knife and the lower edge of the outer knife are on the same plane, A knife mold driving device is arranged above the knife mold, and the knife mold is driven up and down by the knife mold driving device.

Both the inner knife and the outer knife have a closed rectangular structure, and the inner knife is arranged in the outer knife to form a "back"-shaped structure.

The shape of the transfer suction cup matches the shape of the finished protective film, the interior of the transfer suction cup is hollow and a plurality of adsorption air holes are provided on the lower side, and an air suction port connected to a vacuum pump is provided on the upper side of the transfer suction cup.

The transfer suction cup is driven to move by a suction cup driving mechanism.

The suction cup driving mechanism includes a lifting component, a translation component, a mounting frame, a rotation drive motor and a moving arm, wherein the translation component is driven to lift through the lifting component, the mounting frame is driven to translate through the translation component, and the rotation drive motor is arranged on the mounting frame. And the moving arm is driven to rotate by the rotation driving motor, and the moving arm is connected with the transfer suction cup.

The substrate feeding assembly is provided with a first guide roller and a second guide roller, wherein the substrate is drawn out by the substrate feeding roller and bypasses the first guide roller, and the waste section of the protective film bypasses the second guide roller. The post-roll winding is wound up on the substrate take-up roll.

Advantage of the present invention and positive effect are:

1. The present invention uses the substrate feeding assembly to drive the substrate to move through each station in sequence, which can not only realize the automatic detachment of the substrate protection film and the automatic pasting and compounding of the membrane electrode protection film, but also realize the automatic cutting of the membrane electrode protection film And transfer, greatly improving production efficiency.

2. The cutting die of the present invention can ensure that the cutting cut of the protective film is smooth, and the use of suction cups to absorb and transfer can reduce the wrinkles that occur when the protective film is spread, ensuring the cutting quality.

Description of drawings

Fig. 1 is a structural representation of the present invention,

Figure 2 is a schematic diagram of the finished protective film after cutting.

Fig. 3 is a sectional view of the finished protective film in Fig. 2,

Fig. 4 is a schematic diagram of the transfer suction cup in Fig. 1,

Fig. 5 is a schematic structural diagram of the sucker driving mechanism for driving the transfer sucker in Fig. 1 .

Among them, 1 is the substrate feeding roller; 2 is the first guide roller; 3 is the substrate; 4 is the substrate protection film guide roller; 5 is the substrate protection film; 6 is the substrate protection film winding roller; 7 is the film Electrode protection film; 8 is the feeding roller of the membrane electrode protection film; 9 is the guide roller of the membrane electrode protection film; 10 is the driving device of the knife die; 11 is the knife die; 123 is a mounting frame; 124 is a rotating drive motor; 125 is a moving arm; 13 is a finished protective film, 131 is an inner edge; 132 is an outer edge; 14 is a second guide roller; 15 is a waste section of protective film; 16 is a base material Winding roller, 17 is the cutting base material, and 18 is the composite film section.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 5, the present invention includes a substrate feeding assembly and a substrate protection film take-up roller 6, a membrane electrode protection film feeding roller 8, and a knife that are sequentially arranged on the upper side of the substrate feeding assembly along the conveying direction. Die 11 and transfer suction cup 12, the substrate feeding assembly includes a substrate feeding roller 1 and a substrate winding roller 16, and the substrate 3 is drawn out from the substrate feeding roller 1, and the substrate 3 includes the upper The base material protection film 5 and the cutting base material 17 of the lower layer, and the base material protection film 5 is wound and wound on the base material protection film take-up roll 6 after winding around a base material protection film guide roller 4, so When the base material protection film 5 walks around the base material protection film guide roller 4, it realizes separation from the cutting base material 17 of the lower layer of the base material 3, and the membrane electrode protection film 7 is drawn out by the membrane electrode protection film feeding roller 8. And after bypassing a membrane electrode protective film guide roller 9, paste it on the cutting substrate 17 that has broken away from the substrate protective film 5 to form a composite membrane segment 18, and the composite membrane segment 18 is cut into The finished protective film 13 of a specified shape, the finished protective film 13 is absorbed and transferred to the membrane electrode assembly station by the transfer suction cup 12, the composite film segment 18 is cut to form a protective film waste segment 15, and the The waste protective film segment 15 is wound and wound on the substrate winding roller 16 .

The die 11 includes an inner knife and an outer knife, the inner knife and the outer knife are closed, and the inner knife is arranged in the outer knife, and the lower edge of the inner knife and the lower edge of the outer knife are on the same plane , the die cutter 11 is provided with a die cutter driving device 10, and the die cutter 11 is driven up and down by the die cutter drive device 10 to move up and down reciprocatingly, and realizes cutting of the composite film section 18. In this embodiment, both the inner knife and the outer knife have a closed rectangular structure, and the inner knife is set in the outer knife to form a "back"-shaped structure, as shown in Figures 2 to 3, after the composite film section 18 is cut Form the finished protective film 13 in the shape of "back", wherein the inner edge 131 of the finished protective film 13 is realized by cutting with the inner knife, and the outer edge 132 is realized by cutting with the outer knife. The die-cutting drive device 10 can adopt a linear motion output device such as a hydraulic cylinder, an air cylinder, and a linear electric push rod.

As shown in Figure 4, the shape of the transfer suction cup 12 matches the shape of the finished protective film 13. In this embodiment, the transfer suction cup 12 is also in the shape of a "back", and the interior of the transfer suction cup 12 is hollow. And the lower side is provided with a plurality of adsorption air holes, and the upper side of the transfer suction cup 12 is provided with a suction port connected with a vacuum pump. The transfer suction cup 12 and the finished product 13 of the protective film are compressed and adsorbed, and at the same time, the wrinkles that occur when the protective film is spread can be effectively reduced.

The transfer suction cup 12 is driven and moved by a suction cup driving mechanism to send the finished protective film 13 to the membrane electrode assembly station, as shown in FIG. 5 , in this embodiment, the suction cup driving mechanism includes a lifting assembly 121, a translation assembly 122. Mounting frame 123, rotating drive motor 124 and moving arm 125, wherein the lifting assembly 121 includes a first lead screw, a first screw nut, a first motor and a lifting seat, the first lead screw is vertically arranged on a base, and passes through The first motor installed on the base is driven to rotate, the first screw nut is set in the lifting seat and fitted on the first lead screw, and the rotation of the first lead screw drives the first screw nut to drive the lifting seat up and down , the translation assembly 122 includes a second lead screw, a second screw nut and a second motor, wherein the second lead screw is horizontally arranged and one end is rotatably connected with the lift base, and passes through the second lead screw set in the lift base. The motor drives the rotation, the second screw nut is set on the second lead screw, the mounting frame 123 is fixed with the second screw nut, and the rotation of the second screw screw drives the second screw nut to drive the mounting frame 123 to move horizontally, and the rotation drives the motor 124 Installed on the mounting frame 123, one end of the moving arm 125 is installed on the output shaft of the rotating drive motor 124, and the other end is connected with the transfer suction cup 12, and the rotating arm 124 drives the moving arm 125 to rotate , and then drive the transplanting suction cup 12 to rotate. The suction cup drive mechanism can also use other devices as required, such as a six-axis robot.

As shown in Figure 1, the substrate feeding assembly is provided with a first guide roller 2 and a second guide roller 14, wherein the substrate 3 is drawn out from the substrate feeding roller 1 and then bypasses the first guide roller 2, The protective film waste section 15 is wrapped around the second guide roller 14 and wound on the substrate winding roller 16. The first guide roller 2 and the second guide roller 14 keep the material flat and assist the material to be tensioned. .

The substrate feeding roller 1, the substrate winding roller 16, the substrate protective film winding roller 6, and the membrane electrode protective film feeding roller 8 are respectively driven and rotated by corresponding motors, and each motor controls the speed and start-stop through the equipment system .

Working principle of the present invention is:

In this embodiment, the cut base material 17 of the lower layer of the base material 3 is made of PET material with a thickness of 0.3-0.5 mm, and the upper base material protection film 5 can avoid the influence of dust and impurities. When the present invention works, the equipment system controls the rotation of the substrate feeding roller 1 and the substrate winding roller 16 to move the substrate 3, wherein the substrate protective film 5 on the upper layer of the substrate 3 bypasses the substrate protective film guide roller 4 and then winds and collects Rolled on the base material protection film winding roller 6, the base material 3 only keeps the lower cut base material 17 to continue to move, and when the cut base material 17 passes the membrane electrode protection film guide roller 6, it is fed by the membrane electrode protection film feeding roller 8. The membrane electrode protection film 7 drawn out bypasses the membrane electrode protection film guide roller 6 and then is pressed onto the cut substrate 17 to form a composite membrane section 18, and the composite membrane section 18 continues to move to the bottom of the die 11 , the knife mold 11 descends to cut the composite film section 18, wherein the equipment system controls the cutting depth of the knife mold 11 by controlling the descending distance of the knife mold driving device 10, so that the finished product 13 of the protective film is just cut flat, The die cutter 11 includes an inner cutter and an outer cutter whose blades are on the same plane, and the finished protective film 13 of the required shape can be obtained by one cutting, which improves the cutting efficiency. After the cutting is completed, the die cutter 11 rises and falls repeatedly The cutting operation is continuously completed, and the finished product 13 of the protective film continues to move to the bottom of the transfer suction cup 12 along with the composite membrane section 18, and is absorbed and detached from the composite membrane section 18 by the transfer suction cup 12 and transferred to the membrane electrode assembly station. The film segment 18 becomes a waste protective film segment 15 , and the waste protective film segment 15 bypasses the second guide roller 14 and is wound up on the substrate winding roller 16 . The equipment system of the present invention can realize the automatic cutting and transfer of the membrane electrode protective film through logic control such as PLC.

Claims (7)

1. A fuel cell membrane electrode protection film cutting and transferring device is characterized in that: it comprises a base material feed assembly and a base material protection film winding roller ( 6), membrane electrode protection film feeding roller (8), knife die (11) and transfer suction cup (12), the substrate feeding assembly includes substrate feeding roller (1) and substrate winding roller (16), And the substrate (3) is drawn out by the substrate feeding roller (1), the substrate (3) includes the substrate protection film (5) of the upper layer and the cutting substrate (17) of the lower layer, and the substrate The material protection film (5) is wound on the base material protection film take-up roll (6) after bypassing a base material protection film guide roller (4), and the membrane electrode protection film (7) is protected by the membrane electrode The film feeding roller (8) leads out and walks around a membrane electrode protective film guide roller (9) and then presses and sticks on the cutting substrate (17) that has broken away from the substrate protective film (5) to form a composite film segment (18), And the composite film segment (18) is cut into a protective film finished product (13) by the knife die (11), and the protective film finished product (13) is adsorbed and removed by the transfer suction cup (12), and the The composite film segment (18) is cut to form a protective film waste segment (15), and the protective film waste segment (15) is wound and wound on the base material winding roller (16). 2. The fuel cell membrane electrode protection film cutting and transferring device according to claim 1, characterized in that: the die cutter (11) includes an inner knife and an outer knife, and the inner knife and the outer knife are both closed , and the inner knife is arranged in the outer knife, the lower edge of the inner knife and the lower edge of the outer knife are on the same plane, the knife mold driving device (10) is arranged above the knife mold (11), and the knife mold The mold (11) is driven up and down by the knife mold driving device (10). 3. The fuel cell membrane electrode protective film cutting and transferring device according to claim 2, characterized in that: both the inner knife and the outer knife are in a closed rectangular structure, and the inner knife is arranged in the outer knife to form a "back". "Characteristic structure. 4. The fuel cell membrane electrode protective film cutting and transferring device according to claim 1, characterized in that: the shape of the transfer suction cup (12) matches the shape of the finished protective film (13), and the transfer The inside of the suction cup (12) is hollow and the lower side is provided with a plurality of adsorption air holes, and the upper side of the transfer suction cup (12) is provided with an air suction port connected with a vacuum pump. 5 . The device for cutting and transferring the protective film of fuel cell membrane and electrode according to claim 1 , characterized in that the transfer suction cup ( 12 ) is driven and moved by a suction cup driving mechanism. 6 . 6. The fuel cell membrane electrode protective film cutting and transferring device according to claim 5, characterized in that: the suction cup drive mechanism includes a lifting assembly (121), a translation assembly (122), a mounting frame (123), a rotating drive motor (124) and moving arm (125), wherein the translation component (122) is driven up and down through the lifting component (121), the installation frame (123) is driven in translation through the translation component (122), and the rotation drive motor (124) is located at the on the mounting frame (123), and the moving arm (125) is driven to rotate by the rotation driving motor (124), and the moving arm (125) is connected with the transfer suction cup (12). 7. The fuel cell membrane electrode protective film cutting and transferring device according to claim 1, characterized in that: the substrate feeding assembly is provided with a first guide roller (2) and a second guide roller (14), wherein The substrate (3) is drawn out by the substrate feed roller (1) and then bypasses the first guide roller (2), and the protective film waste section (15) is wound around the second guide roller (14) Received on the base material winding roller (16).

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