Production line body of hydrogen fuel cell

Abstract

The invention discloses a hydrogen fuel cell production line body which comprises a cutting unit, a hot pressing unit arranged on the rear portion of the cutting unit, a dispensing unit arranged on the rear portion of the hot pressing unit, a flaw detection unit arranged on the rear portion of the dispensing unit, and an adhesive tape pasting unit arranged on the rear portion of the flaw detection unit. An air tightness detection unit is arranged at the rear part of the adhesive tape sticking unit, a stacking air tightness detection unit is arranged at the rear part of the air tightness detection unit, and a roll material is cut into a product on a cutting unit; hot-pressing the proton exchange membrane and the upper and lower plastic package membrane frames together by using a hot-pressing unit to prepare a semi-finished membrane electrode; and the semi-finished product membrane electrode and the upper and lower gas diffusion layers are glued together by using a glue dispensing unit. The production line body of the hydrogen fuel cell is simple to operate, complete in function, high in precision and high in efficiency, and solves the problems of low equipment precision, low production efficiency, poor compatibility, low yield and the like in the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen fuel cell production, and in particular to a production line of hydrogen fuel cells. Background Art

[0002] A fuel cell stack is composed of multiple fuel cell cells stacked in series. The bipolar plates and membrane electrode MEA are alternately stacked, and seals are embedded between the cells. After the front and rear plates are pressed together, they are fastened with screws to form a fuel cell stack. The fuel cell stack is the place where electrochemical reactions occur and is the core part of the fuel cell system. When the stack is working, hydrogen and oxygen are distributed to the bipolar plates of each single cell through the main gas channel of the stack, and are evenly distributed to the electrodes through the bipolar plate guide, and the electrochemical reaction is carried out through the electrode support and contact with the catalyst.

[0003] The existing production line of hydrogen fuel cells has low equipment precision, low production efficiency, poor compatibility and low yield rate. Therefore, we propose a production line of hydrogen fuel cells. Summary of the invention

[0004] The main purpose of the present invention is to provide a production line of a hydrogen fuel cell, which can effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A production line of a hydrogen fuel cell comprises a cutting unit, a hot pressing unit is arranged at the rear of the cutting unit, a gluing unit is arranged at the rear of the hot pressing unit, a defect detection unit is arranged at the rear of the gluing unit, a glue stripping unit is arranged at the rear of the defect detection unit, an air tightness detection unit is arranged at the rear of the glue stripping unit, and a stacking air tightness detection unit is arranged at the rear of the air tightness detection unit.

[0007] As a further improvement of the above scheme, the airtightness detection unit includes an airtightness detection machine frame, an airtightness detection pressing component is installed on the lower inner wall of the airtightness detection machine frame, and an airtightness detection conveying component is installed on the right part of the lower inner wall of the airtightness detection machine frame.

[0008] As a further improvement of the above scheme, the stack air tightness detection unit includes a stack air tightness detection machine frame, a membrane electrode material bin is installed at the front of the lower inner wall of the stack air tightness detection machine frame, a bipolar plate material bin is installed at the rear of the lower inner wall of the stack air tightness detection machine frame, a stack conveying assembly is movably connected to the middle of the lower inner wall of the stack air tightness detection machine frame through a slide rail, and a stack air tightness detection assembly is installed on the upper inner wall of the stack air tightness detection machine frame.

[0009] As a further improvement of the above scheme, the defect detection unit includes a defect detection machine frame, a No. 1 detection and conveying component is installed on the upper right end of the defect detection machine frame, and a defect detection component is installed on the left part of the lower inner wall of the defect detection machine frame.

[0010] As a further improvement of the above scheme, the adhesive stripping machine unit includes a adhesive stripping machine frame, a adhesive strip pressing assembly is installed on the left part of the lower inner wall of the adhesive stripping machine frame, and a adhesive strip conveying assembly is installed on the upper right end of the adhesive stripping machine frame.

[0011] As a further improvement of the above scheme, the hot pressing unit includes a hot pressing machine frame, a vacuum chamber is installed on the left part of the lower inner wall of the hot pressing machine frame, a hot pressing assembly is fixedly connected to the upper end of the vacuum chamber, and a hot pressing conveying assembly is installed on the upper right end of the hot pressing machine frame.

[0012] As a further improvement of the above scheme, the cutting unit includes a material discharge component, a material discharge conveyor line is arranged at the rear of the material discharge component, a cutting component is installed at the front of the upper end of the material discharge conveyor line, and a material receiving component is installed at the middle of the upper end of the material discharge conveyor line.

[0013] As a further improvement of the above scheme, the dispensing machine unit includes a dispensing machine frame, a dispensing three-axis is installed on the left inner wall of the dispensing machine frame, and a European dispensing fixture is installed on the lower inner wall of the dispensing machine frame, and the dispensing fixture is located below the dispensing three-axis.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the present invention, the coil is cut into products on a cutting unit; a hot pressing unit is used to hot-press the proton exchange membrane and the upper and lower plastic film frames together to make a semi-finished membrane electrode; a gluing unit is used to glue the semi-finished membrane electrode and the upper and lower gas diffusion layers together to make a finished membrane electrode; a defect detection unit is used to perform defect detection on the finished membrane electrode to ensure that the finished membrane electrode is qualified; a glue stripping unit is used to stick glue strips on the cathode / anode bipolar plates to make finished bipolar plates; an airtightness detection unit is used to perform airtightness detection on the finished membrane electrode and the finished bipolar plate that pass the defect detection to ensure that the finished membrane electrode and the finished bipolar plate are qualified; a stacking airtightness detection unit is used to perform airtightness detection on the stack assembled from a number of finished membrane electrodes and finished bipolar plates to ensure that the stack is qualified. The entire production line is simple to operate, fully functional, high-precision, and high-efficiency, and solves the problems of low precision, low production efficiency, poor compatibility, and low yield rate of previous equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 This is a front view of the overall structure of a production line of a hydrogen fuel cell according to the present invention;

[0018] Figure 2 It is a structural schematic diagram of an air tightness detection unit of a production line of a hydrogen fuel cell according to the present invention;

[0019] Figure 3 It is a structural schematic diagram of a stack airtightness detection unit of a production line of a hydrogen fuel cell according to the present invention;

[0020] Figure 4 It is a structural schematic diagram of a defect detection unit of a production line of a hydrogen fuel cell according to the present invention;

[0021] Figure 5 It is a structural schematic diagram of a rubber stripping unit of a production line of a hydrogen fuel cell according to the present invention;

[0022] Figure 6 It is a structural schematic diagram of a hot pressing unit of a production line of a hydrogen fuel cell according to the present invention;

[0023] Figure 7 It is a structural schematic diagram of a cutting unit of a production line of a hydrogen fuel cell according to the present invention;

[0024] Figure 8 It is a structural schematic diagram of a dispensing unit of a hydrogen fuel cell production line of the present invention;

[0025] Fig. 9 This is a front view of a production line of a hydrogen fuel cell according to the present invention;

[0026] Fig.10 The figure is a top view of a production line of a hydrogen fuel cell according to the present invention.

[0027] In the figure: 1. Cutting unit; 2. Hot pressing unit; 3. Glue dispensing unit; 4. Defect detection unit; 5. Glue stripping unit; 6. Air tightness detection unit; 7. Stacking air tightness detection unit; 11. Unloading assembly; 12. Cutting assembly; 13. Receiving assembly; 14. Unloading conveyor line; 21. Hot pressing machine frame; 22. Hot pressing conveying assembly; 23. Hot pressing assembly; 24. Vacuum chamber; 31. Glue dispensing machine frame; 32. Glue dispensing three axes; 33. Glue dispensing fixture ; 41. Defect detection machine rack; 42. No. 1 detection and conveying assembly; 43. Defect detection assembly; 51. Glue strip machine rack; 52. Glue strip conveying assembly; 53. Glue strip pressing assembly; 61. Air tightness detection machine rack; 62. Air tightness detection and conveying assembly; 63. Air tightness detection pressing assembly; 71. Stacking air tightness detection machine rack; 72. Stacking air tightness detection assembly; 73. Membrane electrode silo; 74. Bipolar plate silo; 75. Stack conveying assembly. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0029] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be installed, detachably connected, or integrally connected; can be mechanically connected or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The technical solution of the present invention is further described below in conjunction with the accompanying drawings.

[0032] Example

[0033] A production line of a hydrogen fuel cell, such as Figure 1-10As shown, it includes a cutting unit 1, a hot pressing unit 2 is arranged at the rear of the cutting unit 1, a gluing unit 3 is arranged at the rear of the hot pressing unit 2, a defect detection unit 4 is arranged at the rear of the gluing unit 3, a glue stripping unit 5 is arranged at the rear of the defect detection unit 4, an air tightness detection unit 6 is arranged at the rear of the glue stripping unit 5, and a stacking air tightness detection unit 7 is arranged at the rear of the air tightness detection unit 6.

[0034] In this embodiment, the airtightness detection unit 6 includes an airtightness detection machine frame 61 , an airtightness detection pressing assembly 63 is installed on the lower inner wall of the airtightness detection machine frame 61 , and an airtightness detection conveying assembly 62 is installed on the right part of the lower inner wall of the airtightness detection machine frame 61 .

[0035] In this embodiment, the stack air tightness detection unit 7 includes a stack air tightness detection machine frame 71, a membrane electrode material bin 73 is installed on the front of the lower inner wall of the stack air tightness detection machine frame 71, a bipolar plate material bin 74 is installed on the rear of the lower inner wall of the stack air tightness detection machine frame 71, a stack conveying assembly 75 is movably connected to the middle of the lower inner wall of the stack air tightness detection machine frame 71 through a slide rail, and a stack air tightness detection assembly 72 is installed on the upper inner wall of the stack air tightness detection machine frame 71; the defect detection unit 4 includes a defect detection machine frame 41, a No. 1 detection and conveying assembly 42 is installed on the upper right end of the defect detection machine frame 41, and a defect detection assembly 43 is installed on the left part of the lower inner wall of the defect detection machine frame 41; the rubber strip sticking unit 5 includes a rubber strip sticking machine frame 51, a rubber strip pressing assembly 53 is installed on the left part of the lower inner wall of the rubber strip sticking machine frame 51, and a rubber strip conveying assembly 52 is installed on the upper right end of the rubber strip sticking machine frame 51.

[0036] In this embodiment, the hot pressing unit 2 includes a hot pressing machine frame 21, a vacuum chamber 24 is installed on the left part of the lower inner wall of the hot pressing machine frame 21, a hot pressing component 23 is fixedly connected to the upper end of the vacuum chamber 24, and a hot pressing conveying component 22 is installed on the upper right end of the hot pressing machine frame 21; the cutting unit 1 includes a discharging component 11, a discharging conveying line 14 is arranged at the rear of the discharging component 11, a cutting component 12 is installed at the front part of the upper end of the discharging conveying line 14, and a receiving component 13 is installed at the middle part of the upper end of the discharging conveying line 14; the glue dispensing unit 3 includes a glue dispensing machine frame 31, a glue dispensing three-axis 32 is installed on the left inner wall of the glue dispensing machine frame 31, a European glue dispensing fixture 33 is installed on the lower inner wall of the glue dispensing machine frame 31, and the glue dispensing fixture 33 is located at the lower part of the glue dispensing three-axis 32.

[0037] In the specific use process of this embodiment, the coil is firstly cut into product proton exchange membrane, gas diffusion layer and plastic film frame on the cutting unit 1; then the proton exchange membrane and the upper and lower plastic film frames are hot pressed together by the hot pressing unit 2 to make a semi-finished membrane electrode; then the semi-finished membrane electrode and the upper and lower gas diffusion layers are glued together by the glue dispensing unit 3 to make a finished membrane electrode; then the defect detection unit 4 is used to detect the defects of the finished membrane electrode to ensure that the finished membrane electrode is qualified; then the adhesive strip unit 5 is used to glue the yin / yang The bipolar plates are taped to make finished bipolar plates; the airtightness detection unit 6 is used to perform airtightness detection on the finished membrane electrodes and finished bipolar plates that have passed the defect detection to ensure that the finished membrane electrodes and finished bipolar plates are qualified; the stacking airtightness detection unit 7 is used to perform airtightness detection on the stack assembled from several finished membrane electrodes and finished bipolar plates to ensure that the stack is qualified. The entire production line is simple to operate, fully functional, high-precision and efficient, which solves the problems of low equipment precision, low production efficiency, poor compatibility and low yield rate in the past.

[0038] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A production line of a hydrogen fuel cell, comprising a cutting unit (1), characterized in that: The cutting unit (1) is provided with a hot pressing unit (2) at the rear, the hot pressing unit (2) is provided with a glue dispensing unit (3) at the rear, the glue dispensing unit (3) is provided with a defect detection unit (4) at the rear, the defect detection unit (4) is provided with a glue strip sticking unit (5) at the rear, the glue strip sticking unit (5) is provided with an air tightness detection unit (6) at the rear, and the air tightness detection unit (6) is provided with a stacking air tightness detection unit (7) at the rear.

2. A hydrogen fuel cell production line according to claim 1, characterized in that: The airtightness detection unit (6) comprises an airtightness detection machine frame (61), an airtightness detection pressing assembly (63) is installed on the lower inner wall of the airtightness detection machine frame (61), and an airtightness detection conveying assembly (62) is installed on the right part of the lower inner wall of the airtightness detection machine frame (61).

3. The production line of a hydrogen fuel cell according to claim 1, characterized in that: The stack pressure gas tightness detection unit (7) comprises a stack pressure gas tightness detection machine frame (71), a membrane electrode material bin (73) is installed at the front of the lower inner wall of the stack pressure gas tightness detection machine frame (71), a bipolar plate material bin (74) is installed at the rear of the lower inner wall of the stack pressure gas tightness detection machine frame (71), a stack conveying assembly (75) is movably connected to the middle of the lower inner wall of the stack pressure gas tightness detection machine frame (71) via a slide rail, and a stack pressure gas tightness detection assembly (72) is installed on the upper inner wall of the stack pressure gas tightness detection machine frame (71).

4. The production line of a hydrogen fuel cell according to claim 1, characterized in that: The defect detection unit (4) comprises a defect detection machine frame (41), a first detection conveying assembly (42) is installed at the upper right end of the defect detection machine frame (41), and a defect detection assembly (43) is installed at the left part of the lower inner wall of the defect detection machine frame (41).

5. The production line of a hydrogen fuel cell according to claim 1, characterized in that: The adhesive strip applying machine unit (5) comprises an adhesive strip applying machine frame (51), a adhesive strip pressing assembly (53) is installed on the left part of the lower inner wall of the adhesive strip applying machine frame (51), and a adhesive strip conveying assembly (52) is installed on the upper right end of the adhesive strip applying machine frame (51).

6. The production line of a hydrogen fuel cell according to claim 1, characterized in that: The hot press unit (2) comprises a hot press frame (21), a vacuum chamber (24) is installed on the left part of the lower inner wall of the hot press frame (21), a hot press assembly (23) is fixedly connected to the upper end of the vacuum chamber (24), and a hot press conveying assembly (22) is installed on the upper right end of the hot press frame (21).

7. The production line of a hydrogen fuel cell according to claim 1, characterized in that: The cutting machine unit (1) comprises a material discharge component (11), a material discharge conveyor line (14) is arranged at the rear of the material discharge component (11), a cutting component (12) is installed at the front of the upper end of the material discharge conveyor line (14), and a material receiving component (13) is installed at the middle of the upper end of the material discharge conveyor line (14).

8. The production line of a hydrogen fuel cell according to claim 1, characterized in that: The glue dispensing machine group (3) comprises a glue dispensing machine frame (31), a glue dispensing triaxial shaft (32) is installed on the left inner wall of the glue dispensing machine frame (31), a glue dispensing jig (33) is installed on the lower inner wall of the glue dispensing machine frame (31), and the glue dispensing jig (33) is located at the lower part of the glue dispensing triaxial shaft (32).

Images