CN210200877U

CN210200877U - Hydrogen fuel cell CCM membrane electrode combination or CCM membrane electrode assembly automatic assembly system

Info

Publication number: CN210200877U
Application number: CN201921158405.2U
Authority: CN
Inventors: Zhiming Yang; 杨志明; Lianhe Cai; 蔡连贺
Original assignee: Shenzhen Xinyuren Polytron Technologies Inc
Current assignee: Shenzhen Xinyuren Polytron Technologies Inc; Shenzhen Xinyuren Technology Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-03-27
Anticipated expiration: 2029-07-22

Abstract

An automatic assembly system of a hydrogen fuel cell CCM membrane electrode assembly or a CCM membrane electrode assembly comprises a sheet production and supply system, a PET membrane sheet production and supply system, a positioning and circulating clamp system and a hot pressing system; the PET film manufacturing and feeding system is used for arranging the first PET film which is subjected to die cutting on the vacuum suction plate; the sheet-making and feeding system stacks the die-cut layers at the preset position of the first PET film sheet; the positioning circulating clamp system transfers the vacuum suction plate with the first PET membrane and the vacuum suction plate to a second station of the positioning circulating clamp system opposite to the PET membrane production and feeding system, and the PET membrane production and feeding system arranges a second PET membrane with a downward adhesive surface on the second station; and the positioning circulating clamp system continuously moves to send the combined body formed by the first PET membrane and the second PET membrane into the hot pressing system for hot pressing. The utility model has the advantages of good laminating consistency, high positioning and aligning precision, low cost and high efficiency.

Description

Hydrogen fuel cell CCM membrane electrode combination or CCM membrane electrode assembly automatic assembly system

Technical Field

The utility model belongs to the technical field of hydrogen fuel cell and specifically relates to a hydrogen fuel cell CCM membrane electrode assembly or automatic equipment system of CCM membrane electrode assembly.

Background

A hydrogen fuel cell is a chemical device that directly converts chemical energy possessed by hydrogen fuel into electrical energy. The hydrogen fuel cell converts the Gibbs free energy in the chemical energy of the hydrogen fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, hydrogen fuel cells use hydrogen fuel and oxygen as raw materials; meanwhile, no mechanical transmission part is arranged, so that no noise pollution is caused, and the discharged water has no pollution to the environment. From the viewpoint of ecological protection, hydrogen fuel cells are the most promising power generation technology.

The membrane Electrode assembly, namely mea (membrane Electrode assemblies), is the core assembly of the hydrogen fuel cell, and is formed by combining a CCM membrane Electrode of the hydrogen fuel cell and gas diffusion layers positioned at two sides of the CCM membrane Electrode. The membrane electrode assembly is prepared by two methods, one is that after the CCM membrane electrode is subjected to die cutting, the CCM membrane electrode is compounded with a PET membrane to prepare a CCM membrane electrode combination body, and then the CCM membrane electrode combination body is compounded with a Gas Diffusion Layer (GDL) to prepare the CCM membrane electrode assembly; another method is to directly combine the CCM membrane electrode with a Gas Diffusion Layer (GDL) to form a CCM membrane electrode assembly.

In the prior art, methods for preparing a CCM membrane electrode assembly are divided into two categories, one category is manual manufacturing, manual sheet cutting is mostly adopted, the method comprises the steps of cutting the CCM membrane electrode, a PET membrane and a Gas Diffusion Layer (GDL), positioning is assisted by a clamp, the CCM membrane electrode and/or the PET membrane and the Gas Diffusion Layer (GDL) are positioned by using a special clamp, and then, shaping is carried out by adopting a hot-pressing mode, so that the problems of poor operation and production consistency, low positioning and alignment precision, high cost, low efficiency and low yield caused by bubbles in the CCM membrane electrode assembly exist.

According to the Chinese patent literature, the Chinese patent literature CN 109713343A is found to disclose a membrane electrode continuous preparation device and method, and the roll-to-roll laminating hot pressing mode has the defects of low laminating positioning alignment precision, easy generation of bubble wrinkles during lamination and the like.

Disclosure of Invention

In order to solve the problems, the utility model discloses provide a good, the alignment accuracy height of location, with low costs and efficient hydrogen fuel cell CCM membrane electrode assembly or the automatic equipment system of CCM membrane electrode assembly of uniformity to the society.

Another object of the present invention is to provide a CCM membrane electrode assembly or an automated assembly system for a CCM membrane electrode assembly of a hydrogen fuel cell, which is laminated without generating bubbles and wrinkles.

The technical scheme of the utility model is that: the automatic assembly system for the CCM membrane electrode combination of the hydrogen fuel cell comprises a CCM membrane electrode sheet production and supply system, a PET membrane sheet production and supply system, a positioning circulating clamp system and a hot pressing system; the CCM membrane electrode sheet production and supply system and the PET membrane sheet production and supply system are arranged on one side of the positioning circulating clamp system;

the PET film manufacturing and feeding system is used for arranging a first PET film with a die-cut adhesive face upward on a vacuum suction plate of a first station of the positioning circulating clamp system, and the first PET film is adsorbed and positioned by the vacuum suction plate;

the positioning circulating clamp system moves the vacuum suction plate with the first PET membrane to a station of the CCM membrane electrode production and feeding system; laminating the die-cut CCM membrane electrode at the preset position of the first PET membrane by a CCM membrane electrode sheet feeding system;

the positioning circulating clamp system moves the vacuum suction plate with the first PET membrane and the CCM membrane electrode back to a second station of the positioning circulating clamp system opposite to the PET membrane production feeding system, and the PET membrane production feeding system arranges a second PET membrane with a downward adhesive surface on the CCM membrane electrode;

and the positioning circulating clamp system continuously moves to send a CCM membrane electrode combination body formed by the first PET membrane, the CCM membrane electrode and the second PET membrane into a hot-pressing system for hot pressing.

As an improvement of the utility model, the CCM membrane electrode sheet-making and feeding system comprises a CCM membrane electrode unreeling mechanism, a CCM base membrane reeling mechanism, a base membrane separation roller and a CCM membrane electrode cutting mechanism; under the control of the control circuit, the CCM membrane electrode unwinding mechanism and the CCM membrane winding mechanism drive the CCM membrane electrode of the membrane to move towards one direction at the same speed or at a winding speed which is slightly higher than that of the CCM membrane winding mechanism;

the base film separating roller is arranged between the CCM membrane electrode unreeling mechanism and the CCM base film reeling mechanism and used for separating the base films on the CCM membrane electrode;

the CCM membrane electrode cutting mechanism is positioned behind the basement membrane separating roller and is used for cutting the separated CCM membrane electrode without basement membrane.

As an improvement to the present invention, the CCM membrane electrode cutting mechanism includes a CCM membrane electrode fixing and adsorbing plate, a CCM membrane electrode adsorbing and transferring mechanism, a CCM membrane electrode cutting mechanism and a CCM membrane electrode adsorbing and receiving mechanism, the CCM membrane electrode fixing and adsorbing plate, the CCM membrane electrode cutting mechanism and the CCM membrane electrode adsorbing and receiving mechanism are sequentially adjacent, and the CCM membrane electrode adsorbing and transferring mechanism is movably disposed above the CCM membrane electrode fixing and adsorbing plate; the separated CCM membrane electrode without the bottom membrane is firstly absorbed by a CCM membrane electrode fixing and adsorbing plate, the CCM membrane electrode adsorbing and transferring mechanism descends, the CCM membrane electrode fixing and adsorbing plate transfers the absorbed CCM membrane electrode without the bottom membrane to the CCM membrane electrode adsorbing and transferring mechanism, and the CCM membrane electrode adsorbing and transferring mechanism leaves the CCM membrane electrode fixing and adsorbing plate; the CCM membrane electrode adsorption material moving mechanism drives the CCM membrane electrode without the base membrane to move towards the upper part of the CCM membrane electrode adsorption material receiving mechanism in a forward mode at the same winding speed as the CCM base membrane winding mechanism or slightly less than the winding speed of the CCM base membrane winding mechanism; after the CCM membrane electrode adsorption material moving mechanism carries the CCM membrane electrode without the base membrane to reach a preset position above the CCM membrane electrode adsorption material receiving mechanism, the CCM membrane electrode adsorption material moving mechanism descends, the CCM membrane electrode without the base membrane is pressed on the CCM membrane electrode adsorption material receiving mechanism, and the positioning piece on the CCM membrane electrode adsorption material moving mechanism presses the front end of the CCM membrane electrode without the base membrane; and the CCM membrane electrode cutting mechanism positioned between the CCM membrane electrode adsorption receiving mechanism and the CCM membrane electrode fixed adsorption plate moves upwards, and the CCM membrane electrode without the base membrane is cut into CCM membrane electrode units and transferred to the CCM membrane electrode adsorption receiving mechanism.

As right the utility model discloses an it is right the improvement, the utility model discloses still include die-cutting mechanism, CCM membrane electrode adsorbs receiving mechanism under linear drive mechanism's drive, removes CCM membrane electrode unit to die-cutting mechanism's below, die-cutting mechanism cuts CCM membrane electrode unit mould into littleer CCM membrane electrode elementary cell.

As a right improvement of the utility model, a correction mechanism is arranged behind the die cutting mechanism, the correction mechanism comprises a CCM membrane electrode unloading carrying mechanism, a UVW deviation correction platform and a deviation correction detection digital camera, the CCM membrane electrode adsorption receiving mechanism drives a CCM membrane electrode basic unit to pass through the die cutting mechanism, the CCM membrane electrode unloading carrying mechanism adsorbs the CCM membrane electrode basic unit positioned on the CCM membrane electrode adsorption receiving mechanism, the CCM membrane electrode basic unit is moved to the UVW deviation correction platform, the deviation correction detection digital camera positioned above the UVW deviation correction platform photographs the CCM membrane electrode basic unit, after the deviation correction detection digital camera processes the photograph, the deviation amount of the standard position is calculated, the deviation amount is fed back to the control circuit, and the control circuit controls the UVW deviation correction platform to move or not move according to the value of the; or the deviation rectifying detection digital camera feeds the picture back to the control circuit, the control circuit processes the picture, the deviation amount of the picture from the standard position is calculated, and the control circuit controls the UVW deviation rectifying platform to act or not act according to the value of the deviation amount.

As right the utility model discloses an improve, CCM membrane electrode unloading transport mechanism includes CCM membrane electrode unloading transport linear driving mechanism and CCM membrane electrode unloading transport adsorption apparatus structure, CCM membrane electrode unloading transport adsorption apparatus structure is in reciprocating motion is made under CCM membrane electrode unloading transport linear driving mechanism's the drive.

As right the utility model discloses an improvement, CCM membrane electrode adsorbs moves material mechanism and includes that CCM membrane electrode adsorbs to move material sharp actuating mechanism and CCM membrane electrode removal adsorption equipment, CCM membrane electrode removal adsorption equipment is in CCM membrane electrode adsorbs to move and makes reciprocating motion under the drive of material sharp actuating mechanism.

As an improvement of the utility model, the PET film production and feeding system comprises a PET film unreeling mechanism, a PET film cutting mechanism, a PET film die cutting mechanism and a first overturning and moving mechanism which are arranged in sequence; the PET film unwinding mechanism is matched with the PET film cutting mechanism to pull the PET film forwards and cut the PET film into PET film pieces; the PET film drawing and cutting mechanism further conveys the PET film to the position below the PET film die cutting mechanism, the PET film die cutting mechanism die-cuts the PET film into a preset shape, the PET film drawing and cutting mechanism further conveys the die-cut PET film to the first overturning and conveying mechanism, and the first overturning and conveying mechanism adsorbs the die-cut PET film to be conveyed to the first station.

As right the utility model discloses an it is right the improvement, the utility model discloses still include the second upset and move the mechanism, the first adsorption plate of mechanism is moved in first upset anticlockwise will be by the rotatory 90 degrees of PET diaphragm after the cross cutting, the second upset is moved the second adsorption plate of mechanism and is rotated 90 degrees clockwise, will be transferred to the second adsorption plate by the PET diaphragm after the cross cutting on the first adsorption plate, and the second adsorption plate gyration 90 degrees will be moved to the second station by the PET diaphragm after the cross cutting.

As an improvement of the utility model, the PET film cutting mechanism comprises a PET film fixing and adsorbing plate, a PET film adsorbing and transferring mechanism, a PET film cutting mechanism and a PET film adsorbing and receiving mechanism, the PET film fixing and adsorbing plate, the PET film cutting mechanism and the PET film adsorbing and receiving mechanism are sequentially adjacent, and the PET film adsorbing and transferring mechanism is movably arranged above the PET film fixing and adsorbing plate; the PET film is firstly absorbed by the PET film fixing and absorbing plate, the PET film absorbing and transferring mechanism descends, the PET film fixing and absorbing plate transfers the PET film to the PET film absorbing and transferring mechanism, and the PET film absorbing and transferring mechanism leaves the PET film fixing and absorbing plate; the PET film adsorption material moving mechanism drives the PET film to move forwards to the upper part of the PET film adsorption material receiving mechanism; after the PET film adsorption material moving mechanism drives the PET film to reach a preset position above the PET film adsorption material receiving mechanism, the PET film adsorption material moving mechanism moves downwards and presses the PET film on the PET film adsorption material receiving mechanism, and a positioning piece on the PET film adsorption material moving mechanism presses the front end of the PET film; and the PET film cutting mechanism positioned between the PET film adsorption receiving mechanism and the PET film fixed adsorption plate moves upwards, cuts the PET film into PET film pieces, and transfers the PET film pieces to the PET film adsorption receiving mechanism.

As an improvement to the present invention, the first turnover handling mechanism includes a first PET film unloading and carrying linear driving mechanism and a first PET film unloading and carrying adsorption mechanism, the first PET film unloading and carrying linear driving mechanism includes a first linear guide rail, a first rack and a first linear driving motor, and a first gear on an output shaft of the first linear driving motor is engaged with the first rack; the first PET film material carrying and adsorbing mechanism comprises a first mounting plate, a first lifting cylinder is arranged on the first mounting plate, the lower end of a first ejector rod of the first lifting cylinder is connected with a first connecting plate, the first connecting plate is connected with the first adsorbing plate, and the first adsorbing plate can rotate back and forth by 90 degrees under the driving of a first rotary driving mechanism; the first mounting plate is fixedly connected with the first linear driving motor.

As an improvement of the present invention, the second turnover handling mechanism includes a second PET film material handling linear driving mechanism and a second PET film material handling adsorption mechanism, the second PET film material handling linear driving mechanism includes a second linear guide rail, a first rack and a second linear driving motor, and a second gear on an output shaft of the second linear driving motor is engaged with the first rack; the second PET film material carrying and adsorbing mechanism comprises a second mounting plate, a second lifting cylinder is arranged on the second mounting plate, the lower end of a second ejector rod of the second lifting cylinder is connected with a second connecting plate, the second connecting plate is connected with the second adsorbing plate, and the second adsorbing plate can rotate back and forth for 90 degrees under the driving of a second rotation driving mechanism; the second mounting plate is fixedly connected with the second linear driving motor.

As right the utility model discloses an it is right that the location circulation anchor clamps system includes two kinds of X that are parallel to each other to moving the track X respectively is equipped with a Y to moving the orbital both ends and constitutes the location circulation anchor clamps system of a font of returning to moving the track.

As right the utility model discloses an improvement, hot pressing system is flat pressing device, flat pressing device includes frame, sharp driving source and hot pressboard system, the frame includes pillar and mounting panel, sharp driving source sets up on the mounting panel, the lower extreme at the drive shaft of sharp driving source is established to the hot pressboard system, and it arrives to inhale the board when the vacuum during the below of hot pressboard system, the membrane electrode bonding body on the vacuum board is inhaled the hot pressboard system.

As right the utility model discloses an it is right that the hot pressboard system includes first clamp plate and second clamp plate, first clamp plate with the lower extreme of the drive shaft of sharp driving source is connected, connect through the elastic component between first clamp plate and the second clamp plate, be equipped with the hot plate on the second clamp plate.

As right the utility model discloses an improve, the utility model discloses still include airtight cloth or membrane, airtight cloth or membrane hang through the vacuum chuck who is connected with the negative pressure source on the second clamp plate.

As to the utility model discloses an improvement, hot pressing system is hot rolling device, hot rolling device includes membrane electrode assembly transfer mechanism, and last hot pressing roller and the lower hot pressing roller that set up in pairs, last smooth surface girdle and smooth surface girdle all pass the clearance between last hot pressing roller and the lower hot pressing roller, and the membrane electrode assembly that is transferred and come is rolled in between last smooth surface girdle and the smooth surface girdle down.

As right the utility model discloses an it is right the improvement, the utility model discloses still include shaping membrane electrode assembly unloader, shaping membrane electrode assembly unloader removes adsorption equipment including shaping membrane electrode assembly unloading straight line actuating mechanism and shaping membrane electrode assembly, shaping membrane electrode assembly removes adsorption equipment and is in make reciprocating motion under shaping membrane electrode assembly unloading straight line actuating mechanism's the drive.

The utility model also provides a hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automatic assembly system, which comprises a CCM membrane electrode sheet-making feeding system, a diffusion layer sheet-making feeding system, a positioning circulating clamp system, a glue dispensing system and a hot-pressing system; the CCM membrane electrode sheet-making and feeding system and the diffusion layer sheet-making and feeding system are arranged on one side of the positioning circulating clamp system;

the diffusion layer sheet manufacturing and feeding system is used for arranging a first diffusion layer subjected to die cutting on a vacuum suction plate of a first station of a positioning circulating clamp system, and the first diffusion layer is adsorbed and positioned by the vacuum suction plate;

the positioning circulating clamp system moves the vacuum suction plate with the first diffusion layer to a first station of a dispensing system, and the dispensing system dispenses at a preset position of the first diffusion layer;

the positioning circulating clamp system continuously moves the vacuum suction plate with the first diffusion layer to a station of the CCM membrane electrode production and feeding system; laminating the die-cut CCM membrane electrode at the preset position of the first diffusion layer by a CCM membrane electrode sheet feeding system;

the positioning circulating clamp system moves the vacuum suction plate with the first diffusion layer and the CCM membrane electrode to a second station of the dispensing system in a rotating manner, and the dispensing system dispenses at a preset position of the CCM membrane electrode;

the positioning circulating clamp system enables a vacuum suction plate 31 with a first diffusion layer and a CCM membrane electrode to face a second station of the positioning circulating clamp system of the diffusion layer sheet manufacturing and feeding system, and the diffusion layer sheet manufacturing and feeding system enables the second diffusion layer to be arranged on the CCM membrane electrode;

and the positioning circulating clamp system continuously moves to send the CCM membrane electrode assembly consisting of the first diffusion layer, the CCM membrane electrode and the second diffusion layer into a hot-pressing system for hot pressing.

As an improvement of the utility model, the diffusion layer sheet-making and feeding system comprises a diffusion layer unreeling mechanism, a diffusion layer cutting mechanism, a diffusion layer die-cutting mechanism and a first turning and moving mechanism which are arranged in sequence; the diffusion layer unwinding mechanism is matched with the diffusion layer cutting mechanism to pull the diffusion layer forwards and cut the diffusion layer into diffusion layer sheets; the diffusion layer drawing and cutting mechanism further sends the diffusion layer sheet to the position below the diffusion layer die cutting mechanism, the diffusion layer die cutting mechanism die cuts the diffusion layer sheet into a preset shape, the diffusion layer drawing and cutting mechanism further sends the die-cut diffusion layer sheet to the first overturning and conveying mechanism, and the first overturning and conveying mechanism adsorbs the die-cut diffusion layer sheet to be sent to the first station.

As right the utility model discloses an it is right the improvement, the utility model discloses still include the second upset and move the mechanism, the first adsorption plate of mechanism is moved in first upset anticlockwise will be by the diffusion lamina rotation 90 degrees after the cross cutting, the second upset is moved the second adsorption plate of mechanism and is rotated 90 degrees clockwise, will be by the diffusion lamina transfer to the second adsorption plate after the cross cutting on the first adsorption plate, and the second adsorption plate gyration 90 degrees will be moved to the second station by the diffusion lamina after the cross cutting.

As an improvement of the utility model, the diffusion layer cutting mechanism comprises a diffusion layer fixed adsorption plate, a diffusion layer adsorption material moving mechanism, a diffusion layer cutting mechanism and a diffusion layer adsorption material receiving mechanism, the diffusion layer fixed adsorption plate, the diffusion layer cutting mechanism and the diffusion layer adsorption material receiving mechanism are sequentially adjacent, and the diffusion layer adsorption material moving mechanism is movably arranged above the diffusion layer fixed adsorption plate; the diffusion layer is firstly absorbed by a diffusion layer fixing and adsorbing plate, a diffusion layer absorbing and transferring mechanism descends, the diffusion layer fixing and adsorbing plate transfers the diffusion layer to the diffusion layer absorbing and transferring mechanism, and the diffusion layer absorbing and transferring mechanism leaves the diffusion layer fixing and adsorbing plate; the diffusion layer adsorption material moving mechanism drives the diffusion layer front to move towards the upper part of the diffusion layer adsorption material receiving mechanism; after the diffusion layer adsorption material moving mechanism drives the diffusion layer to reach a preset position above the diffusion layer adsorption material receiving mechanism, the diffusion layer adsorption material moving mechanism moves downwards and presses the diffusion layer on the diffusion layer adsorption material receiving mechanism, and a positioning piece on the diffusion layer adsorption material moving mechanism presses the front end of the diffusion layer; and the diffusion layer cutting mechanism positioned between the diffusion layer adsorption material receiving mechanism and the diffusion layer fixed adsorption plate moves upwards, cuts the diffusion layer into diffusion layer sheets and transfers the diffusion layer sheets to the diffusion layer adsorption material receiving mechanism.

As an improvement to the present invention, the first turning and carrying mechanism includes a first diffusion layer blanking and carrying linear driving mechanism and a first diffusion layer blanking and carrying adsorption mechanism, the first diffusion layer blanking and carrying linear driving mechanism includes a first linear guide rail, a first rack and a first linear driving motor, and a first gear on an output shaft of the first linear driving motor is engaged with the first rack; the first diffusion layer blanking, carrying and adsorbing mechanism comprises a first mounting plate, a first lifting cylinder is arranged on the first mounting plate, the lower end of a first ejector rod of the first lifting cylinder is connected with a first connecting plate, the first connecting plate is connected with the first adsorbing plate, and the first adsorbing plate can rotate back and forth by 90 degrees under the driving of a first rotary driving mechanism; the first mounting plate is fixedly connected with the first linear driving motor.

As an improvement of the present invention, the second turning and carrying mechanism includes a second diffusion layer blanking and carrying linear driving mechanism and a second diffusion layer blanking and carrying adsorption mechanism, the second diffusion layer blanking and carrying linear driving mechanism includes a second linear guide rail, a first rack and a second linear driving motor, and a second gear on an output shaft of the second linear driving motor is engaged with the first rack; the second diffusion layer blanking, carrying and adsorbing mechanism comprises a second mounting plate, a second lifting cylinder is arranged on the second mounting plate, the lower end of a second ejector rod of the second lifting cylinder is connected with a second connecting plate, the second connecting plate is connected with the second adsorbing plate, and the second adsorbing plate can rotate back and forth for 90 degrees under the driving of a second rotation driving mechanism; the second mounting plate is fixedly connected with the second linear driving motor.

As right the utility model discloses an improvement, hot pressing system is flat pressing device, flat pressing device includes frame, sharp driving source and hot pressboard system, the frame includes pillar and mounting panel, sharp driving source sets up on the mounting panel, the lower extreme at the drive shaft of sharp driving source is established to the hot pressboard system, and it arrives to inhale the board when the vacuum during the below of hot pressboard system, membrane electrode assembly on the vacuum board is inhaled the hot pressboard system.

As right the utility model discloses an improvement, hot pressing system is hot rolling device, hot rolling device includes membrane electrode assembly transfer mechanism, and last hot pressing roller and the lower hot pressing roller that set up in pairs, last smooth surface girdle and smooth surface girdle all pass the clearance between last hot pressing roller and the lower hot pressing roller down, and the membrane electrode assembly who is transferred and come is rolled in between last smooth surface girdle and the smooth surface girdle down.

As right the utility model discloses an it is right the improvement, the utility model discloses still include shaping membrane electrode subassembly unloader, shaping membrane electrode subassembly unloader includes shaping membrane electrode subassembly unloading linear driving mechanism and shaping membrane electrode subassembly removal adsorption equipment, shaping membrane electrode subassembly removes adsorption equipment and is in make reciprocating motion under shaping membrane electrode subassembly unloading linear driving mechanism's the drive.

The utility model discloses owing to adopted CCM membrane electrode film-making feeding system, PET membrane or diffusion layer film-making feeding system, location circular fixture system and hot pressing system, make CCM membrane electrode assembly or CCM membrane electrode assembly in coordination, can reach that the uniformity is good, the location aligns the advantage that the precision is high, with low costs and efficient, in addition, the utility model discloses still have the problem that can not produce bubble and fold when laminating.

Drawings

FIG. 1 is a schematic perspective view of a CCM membrane electrode assembly manufacturing system of the present invention.

Fig. 2 is a schematic top plan view of the structure of fig. 1.

Fig. 3 is a schematic diagram of the CCM membrane feeding principle structure of the present invention.

Fig. 4 is a schematic diagram of the physical structure of the embodiment shown in fig. 3.

Fig. 5 is a schematic structural diagram of another view angle of the embodiment shown in fig. 4.

Fig. 6 is a schematic diagram of the feeding structure of the PET film/GDL diffusion layer of the present invention.

Fig. 7 is a schematic view of the structure of fig. 6 from another perspective.

Fig. 8 is a schematic view of the turnover mechanism of fig. 6.

Fig. 9 is a schematic perspective view of the positioning circulating jig system of the present invention.

Fig. 10 is a schematic plan view of a vacuum plate of the system of the present invention.

Figure 11 is a schematic plan view of the membrane electrode assembly of figure 10 after assembly.

Fig. 12 is a schematic plan view of fig. 11 with the air impermeable cloth or membrane applied.

Fig. 13 is a schematic view (exploded) of the sectional structure a-a of fig. 12.

Fig. 14 is a schematic perspective view of the platen press of the present invention.

Fig. 15 is a schematic perspective view of the rolling device of the present invention.

Fig. 16 is a schematic perspective view of a CCM membrane electrode assembly manufacturing system according to the present invention.

Fig. 17 is a top plan view of the structure of fig. 16.

Fig. 18 is a schematic perspective view of the dispensing system in fig. 16.

Detailed Description

Referring to fig. 1 and 2, fig. 1 and 2 disclose an automatic assembly system for CCM membrane electrode assembly of hydrogen fuel cell, which comprises a CCM membrane electrode assembly feeding system 1, a PET membrane assembly feeding system 2, a positioning circulating clamp system 3 and a hot pressing system 4; the CCM membrane electrode sheet production and supply system 1 and the PET membrane sheet production and supply system 2 are arranged on one side of the positioning circulating clamp system 3;

the PET film production and feeding system 2 is used for arranging a first PET film with a die-cut adhesive face upward on a vacuum suction plate 31 of a first station of the positioning circulating clamp system 3, and the first PET film is adsorbed and positioned by the vacuum suction plate 31;

the positioning circulating clamp system 3 moves the vacuum suction plate 31 with the first PET membrane to a station 110 of the CCM membrane electrode production and supply system 1; laminating the die-cut CCM membrane electrode at the preset position of the first PET membrane by the CCM membrane electrode sheet feeding system 1; in this embodiment, the first PET membrane is designed to have a rectangular hole in its center, the area of the rectangular hole is slightly smaller than that of the CCM membrane electrode, the CCM membrane electrode overlaps with the first PET membrane electrode by virtue of the margins around the CCM membrane electrode, the portion of the CCM membrane electrode with the catalyst layer faces the rectangular hole on the first PET membrane, and the CCM membrane electrode is sucked by the independently controlled adsorption hole in the center of the vacuum adsorption plate 31, which faces the position of the rectangular hole on the first PET membrane;

the positioning circulating clamp system 3 rotationally moves the vacuum suction plate 31 with the first PET membrane and the CCM membrane electrode to a second station 300 of the positioning circulating clamp system 3 opposite to the PET membrane production and supply system 2, and the PET membrane production and supply system 2 arranges a second PET membrane with a downward adhesive surface on the CCM membrane electrode; the structure of the second PET membrane is the same as that of the first PET membrane;

and the positioning circulating clamp system 3 continuously moves to send a CCM membrane electrode combination body formed by the first PET membrane, the CCM membrane electrode and the second PET membrane into the hot-pressing system 4 for hot pressing.

Referring to fig. 3 to 5, the sheet-making and feeding system 1 of the CCM membrane electrode includes a CCM membrane electrode unwinding mechanism 11, a CCM base membrane winding mechanism 12, a base membrane separation roller 13, and a CCM membrane electrode slitting mechanism 14; under the control of the control circuit 17, the CCM membrane electrode unwinding mechanism 11 and the CCM membrane electrode winding mechanism 12 drive the CCM membrane electrode 111 of the membrane electrode to move in one direction at the same uniform speed, so as to ensure that the tension of the CCM membrane electrode moves in the condition of approaching 0; a tension roller 121 is arranged between the CCM membrane electrode unwinding mechanism 11 and the membrane electrode separating roller 13, and a roller 111 and a correcting mechanism 114 are arranged between the CCM membrane electrode unwinding mechanism 12 and the membrane electrode separating roller 13;

the basement membrane separation roller 13 is arranged between the CCM membrane electrode unreeling mechanism 11 and the CCM basement membrane reeling mechanism 12 and used for separating the basement membrane 113 on the CCM membrane electrode;

the CCM membrane electrode slitting mechanism 14 is located behind the basement membrane separating roller 13 and is used for slitting the separated bottomless CCM membrane electrodes 112.

Preferably, the CCM membrane electrode slitting mechanism 14 includes a CCM membrane electrode fixing and adsorbing plate 141, a CCM membrane electrode adsorbing and transferring mechanism 142, a CCM membrane electrode cutting mechanism 143, and a CCM membrane electrode adsorbing and receiving mechanism 144, the CCM membrane electrode fixing and adsorbing plate 141, the CCM membrane electrode cutting mechanism 143, and the CCM membrane electrode adsorbing and receiving mechanism 144 are adjacent in sequence, and the CCM membrane electrode adsorbing and transferring mechanism 142 is movably disposed above the CCM membrane electrode fixing and adsorbing plate 141; the separated bottom-membrane-free CCM membrane electrode 112 is firstly absorbed by the CCM membrane electrode fixing and adsorbing plate 141, the CCM membrane electrode adsorbing and transferring mechanism 142 moves downward, the CCM membrane electrode fixing and adsorbing plate 141 transfers the absorbed bottom-membrane-free CCM membrane electrode 112 to the CCM membrane electrode adsorbing and transferring mechanism 142 (specifically, the negative pressure source of the CCM membrane electrode fixing and adsorbing plate 141 is closed, the CCM membrane electrode fixing and adsorbing plate 141 is changed to normal pressure, the negative pressure source of the CCM membrane electrode adsorbing and transferring mechanism 142 is opened, the CCM membrane electrode adsorbing and transferring mechanism 142 absorbs the CCM membrane electrode 112), and the CCM membrane electrode adsorbing and transferring mechanism 142 moves upward and leaves the CCM membrane electrode fixing and adsorbing plate 141; the CCM membrane electrode adsorption material moving mechanism 142 moves forward with the CCM membrane electrode 112 without the membrane film at the same winding speed as the CCM membrane film winding mechanism 12 or slightly less than the winding speed of the CCM membrane film winding mechanism 12, and moves to the position above the CCM membrane electrode adsorption material receiving mechanism 144; after the CCM membrane electrode adsorption material moving mechanism 142 carries the CCM membrane electrode 112 without the base membrane to a predetermined position above the CCM membrane electrode adsorption material receiving mechanism 144 (the position of the dotted line in fig. 1), the CCM membrane electrode adsorption material moving mechanism 142 moves downward, and presses the CCM membrane electrode 112 without the base membrane onto the CCM membrane electrode adsorption material receiving mechanism 144, and meanwhile, the positioning part 1421 on the CCM membrane electrode adsorption material moving mechanism 142 presses the front end of the CCM membrane electrode 112 without the base membrane; the CCM membrane electrode cutting mechanism 143 (in this embodiment, a cutter is used in the CCM membrane electrode cutting mechanism 143) located between the CCM membrane electrode adsorption receiving mechanism 144 and the CCM membrane electrode fixed adsorption plate 141 moves upward, and the CCM membrane electrode 112 without a membrane is cut into CCM membrane electrode units and transferred onto the CCM membrane electrode adsorption receiving mechanism 144.

Preferably, the utility model discloses still include CCM membrane electrode die-cutting mechanism 15, CCM membrane electrode adsorbs receiving mechanism 144 under the drive of CCM membrane electrode linear drive mechanism, moves CCM membrane electrode unit to the below of CCM membrane electrode die-cutting mechanism 15, CCM membrane electrode die-cutting mechanism 15 cuts the CCM membrane electrode unit mould into littleer CCM membrane electrode elementary cell, so-called CCM membrane electrode elementary cell is exactly by the smaller CCM membrane electrode elementary cell more than two that a slice of big CCM membrane electrode unit was cut out, in this embodiment, is once to cut out three CCM membrane electrode elementary cells. The CCM membrane electrode die cutting mechanism 15 in this embodiment is the same as the knife die cutting mechanism in the prior art, and is not described herein again for the prior art.

Preferably, a CCM membrane electrode correction mechanism 16 is arranged behind the CCM membrane electrode die cutting mechanism 15, the CCM membrane electrode correction mechanism 16 includes a CCM membrane electrode blanking carrying mechanism 161, a CCM membrane electrode UVW deviation rectifying platform 162 and a CCM membrane electrode deviation rectifying detection digital camera 163, the CCM membrane electrode adsorption receiving mechanism 144 carries the CCM membrane electrode basic unit to pass through the CCM membrane electrode die cutting mechanism 15, the CCM membrane electrode blanking carrying mechanism 161 adsorbs the CCM membrane electrode basic unit on the CCM membrane electrode adsorption receiving mechanism 144, the CCM membrane electrode basic unit is moved to the CCM membrane electrode UVW deviation rectifying platform 162, the CCM membrane electrode deviation rectifying detection digital camera 163 above the CCM membrane electrode UVW deviation rectifying platform 162 photographs the CCM membrane electrode basic unit, the CCM membrane electrode deviation rectifying detection digital camera 163 processes the photographs, calculates the deviation from the standard position, and feeds the deviation, the control circuit 17 controls the action or non-action of the UVW deviation rectifying platform 162 of the CCM membrane electrode according to the value of the offset; or the CCM membrane electrode deviation rectifying detection digital camera 163 feeds the picture back to the control circuit 17, the control circuit 17 processes the picture, and calculates the deviation amount from the standard position, and the control circuit 17 controls the operation or non-operation of the CCM membrane electrode UVW deviation rectifying platform 162 according to the value of the deviation amount (the control circuit in this embodiment may be a PLC). If the basic unit of the CCM membrane electrode does not need to be corrected, the UVW correction platform 162 of the CCM membrane electrode does not act, otherwise, the UVW correction platform 162 of the CCM membrane electrode acts or moves in an xy plane or rotates by an angle according to the condition; or the rotation angle can be changed in the xy plane, so as to achieve the purpose of correcting the CCM membrane electrode basic unit.

Preferably, the CCM membrane electrode blanking carrying mechanism 161 includes a CCM membrane electrode blanking carrying linear driving mechanism 1611 and a CCM membrane electrode blanking carrying adsorption mechanism 1612, the CCM membrane electrode blanking carrying adsorption mechanism 1612 reciprocates under the driving of the CCM membrane electrode blanking carrying linear driving mechanism 1611, the CCM membrane electrode linear driving mechanism 1611 in this embodiment may be composed of a first screw-nut structure and a first linear guide rail pair 16111, the first screw-nut structure drives the CCM membrane electrode blanking carrying adsorption mechanism 1612 to reciprocate on the first linear guide rail 16111, the CCM membrane electrode blanking carrying adsorption mechanism 1612 includes a first mounting plate 16121, the first mounting plate 16121 is connected with the first linear guide rail pair 16111 through a first slider, a first adsorption driving cylinder 16122 is arranged on the first mounting plate 16121, a first adsorption plate 16123 is arranged at the lower end of a mandril of the first adsorption driving cylinder 16122, the first adsorption plate 16123 is connected with a negative pressure source and used for adsorbing the CCM membrane electrode basic units, one CCM membrane electrode basic unit is adsorbed at a time and sent to the UVW deviation rectifying platform 162 of the CCM membrane electrode for correction, and then the absorption is returned to the original position to prepare for adsorbing the next CCM membrane electrode basic unit.

Preferably, the CCM membrane electrode adsorption material moving mechanism 142 includes a CCM membrane electrode adsorption material moving linear driving mechanism 1423 and a CCM membrane electrode moving adsorption device 1422, and the CCM membrane electrode moving adsorption device 1422 reciprocates under the driving of the CCM membrane electrode adsorption material moving linear driving mechanism 1423; the CCM membrane electrode adsorption material moving linear driving mechanism 1423 includes a second linear guide rail pair 14231 and a second screw nut structure, the CCM membrane electrode moving adsorption device 1422 includes a second mounting plate 14221, a second cylinder 14222 is arranged on the second mounting plate 14221, a second adsorption plate 14223 is arranged at the lower end of a top rod of the second cylinder 14222, the CCM membrane electrode moving adsorption device 1422 is connected with the linear guide rail of the second linear guide rail pair 14231 through a second slider, the second screw nut drives the moving adsorption device 1422 to reciprocate on the second linear guide rail pair 14231, the CCM membrane electrode 142112 is moved to the CCM membrane electrode adsorption material receiving mechanism 144, and when a CCM membrane electrode unit is cut, the moving adsorption device 1422 returns to the original position to prepare for the next cycle action.

Referring to fig. 6 to 8, the PET film producing and feeding system 2 includes a PET film unwinding mechanism 21, a PET film cutting mechanism 24, a PET film cutting mechanism 25, and a first turning and conveying mechanism 26, which are sequentially arranged; the PET film unwinding mechanism 21 is matched with the PET film cutting mechanism to pull the PET film forwards and cut the PET film into PET film pieces; the PET film drawing and cutting mechanism further sends the PET film sheet to the position below the PET film die cutting mechanism 25, the PET film die cutting mechanism 25 die-cuts the PET film sheet into a predetermined shape (in this embodiment, the PET film sheet is a structure with a rectangular hole in the center), the PET film drawing and cutting mechanism further sends the die-cut PET film sheet to the first overturning and moving mechanism 26, and the first overturning and moving mechanism 26 sucks the die-cut PET film sheet to the first station 120 (see fig. 2).

Preferably, the utility model discloses still include the second upset and move mechanism 27, the first adsorption plate 261 of first upset is moved mechanism 26 and is anticlockwise rotated 90 degrees by the PET diaphragm after the cross cutting, the second adsorption plate 271 of second upset is moved mechanism 27 and is clockwise rotated 90 degrees, from first adsorption plate 261 on will be transferred to the second adsorption plate 271 by the PET diaphragm after the cross cutting, the second adsorption plate 271 gyration 90 degrees will be moved to the second station 300 by the PET diaphragm after the cross cutting.

Preferably, the PET film stretch-cutting mechanism 24 includes a PET film fixing and adsorbing plate 241, a PET film adsorbing and transferring mechanism 242, a PET film cutting mechanism 243 and a PET film adsorbing and receiving mechanism 244, the PET film fixing and adsorbing plate 241, the PET film cutting mechanism 243 and the PET film adsorbing and receiving mechanism 244 are adjacent in sequence, and the PET film adsorbing and transferring mechanism 242 is movably disposed above the PET film fixing and adsorbing plate 241; the PET film 212 is firstly absorbed by the PET film fixing and absorbing plate 241, the PET film absorbing and transferring mechanism 242 moves downwards, the PET film fixing and absorbing plate 241 transfers the PET film 212 to the PET film absorbing and transferring mechanism 242, and the PET film absorbing and transferring mechanism 242 leaves the PET film fixing and absorbing plate 241; the PET film adsorption material moving mechanism 242 drives the PET film 212 to move forwards to the position above the PET film adsorption material receiving mechanism 244; after the PET film adsorbing and transferring mechanism 242 carries the PET film 212 to reach a predetermined position above the PET film adsorbing and receiving mechanism 244, the PET film adsorbing and transferring mechanism 242 moves downwards, the PET film 212 is pressed on the PET film adsorbing and receiving mechanism 244, and the positioning part 2421 on the PET film adsorbing and transferring mechanism 242 presses the front end of the PET film 212; the PET film cutting mechanism 243 located between the PET film adsorbing and receiving mechanism 244 and the PET film fixing and adsorbing plate 241 moves upward to cut the PET film 212 into PET film pieces, and the PET film pieces are transferred to the PET film adsorbing and receiving mechanism 244 (the structure of the PET film cutting mechanism 24 is the same as that of the CCM film electrode cutting mechanism 14 shown in fig. 3, and the structure of the PET film cutting mechanism 24 can be understood with reference to fig. 3).

Referring to fig. 8, the first flipping and carrying mechanism 26 includes a first PET film feeding and carrying linear driving mechanism and a first PET film feeding and carrying suction mechanism 262, the first PET film feeding and carrying linear driving mechanism includes a first linear guide 2611, a first rack 2612 and a first linear driving motor 2613, and a first gear (not visible in the figure) on an output shaft of the first linear driving motor 2613 is engaged with the first rack 2612; the first PET film material conveying adsorption mechanism 262 comprises a first mounting plate 2621, a first lifting cylinder 2622 is arranged on the first mounting plate 2621, the lower end of a first ejector rod of the first lifting cylinder 2622 is connected with a first connecting plate 2623, the first connecting plate 2623 is connected with the first adsorption plate 261, and the first adsorption plate 261 can rotate back and forth by 90 degrees under the driving of a first rotation driving mechanism 2625; the first mounting plate 2621 is fixedly connected to the first linear driving motor 2613.

In this embodiment, the first rotary driving mechanism 2625 includes a first rotary cylinder 26251, a first rotary driving rack 26252 and a first rotary driving gear 26253, the first rotary driving gear 26253 is engaged with the first rotary driving rack 26252, the first rotary driving gear 26253 is fixedly connected to the first adsorption plate 261, and the top rod of the first rotary cylinder 26251 drives the first rotary driving rack 26252 to move up and down, so as to drive the first adsorption plate 261 to turn over by 90 degrees; of course, the first rotation driving mechanism 2625 in the present embodiment may directly drive the first adsorption plate 261 by a servo motor, which is equally effective, but is costly.

Referring also to fig. 8, the second flipping mechanism 27 is identical in structure to the first flipping mechanism 26 except for its different position. The second overturning and carrying mechanism 27 comprises a second PET film feeding and linear driving mechanism 271 (shared with the first PET film feeding and linear driving mechanism) and a second PET film feeding and adsorbing mechanism 272, the second PET film feeding and linear driving mechanism 271 comprises a second linear guide rail 2711 (shared with the first PET film feeding and linear driving mechanism), a first rack 2612 and a second linear driving motor 2713, and a second gear (not visible) on an output shaft of the second linear driving motor 2713 is meshed with the first rack 2612; the second PET film material conveying and adsorbing mechanism 272 comprises a second mounting plate 2721, wherein a second lifting cylinder 2722 is arranged on the second mounting plate 2721, the lower end of a second ejector rod of the second lifting cylinder 2722 is connected with a second connecting plate 2723, the second connecting plate 2723 is connected with the second adsorbing plate 271 (in this embodiment, the second adsorbing plate 271 is not in a turnover state), and the second adsorbing plate 271 can rotate back and forth by 90 degrees under the driving of a second rotation driving mechanism 2725; the second mounting plate 2721 is fixedly connected with the second linear driving motor 2713.

In this embodiment, the second rotation driving mechanism 2725 includes a second rotation cylinder 27251, a second rotation driving rack, and a second rotation driving gear (not visible in the figure), the second rotation driving gear is engaged with the second rotation driving rack, and the second rotation driving gear is fixedly connected to the second adsorption plate, and a top rod of the second rotation cylinder drives the second rotation driving rack to move up and down, so as to drive the second adsorption plate 271 to turn over by 90 degrees; of course, the second rotation driving mechanism 2725 of the present embodiment may directly drive the second suction plate 271 by a servo motor, which is equally effective, but is expensive.

The first PET film material conveying linear driving mechanism and the second PET film material conveying linear driving mechanism 271 in the above embodiments may be replaced by other linear driving mechanisms, such as a screw nut structure.

Referring to fig. 9, the positioning and circulating clamp system 3 includes two X-direction moving rails 32 parallel to each other, and two Y-direction moving rails 33 are respectively disposed at two ends of the X-direction moving rails 32 to form a zigzag positioning and circulating clamp system.

In this embodiment, the X-direction moving rail 32 is composed of a plurality of lifting moving mechanisms 321 connected in series, the step length of each lifting moving mechanism 321 is exactly equal to the distance that the vacuum suction plate 31 moves from one station to another, the lifting moving mechanism 321 close to the moving rail 33 of the CCM membrane electrode piece feeding system 1 can move the CCM membrane electrode assembly semi-finished product 333 to the first carrier 331 on the Y-direction moving rail 33, then the first Y-direction lead screw nut structure 332, together with the first carrier 331 and the CCM membrane electrode assembly semi-finished product 333, moves to the X-direction moving rail 32 corresponding to the other side (the first carrier 331 only moves back and forth in the Y-direction moving rail 33), the lifting moving mechanism 321 on the CCM side takes off the membrane electrode assembly semi-finished product 333, and returns back continuously, when reaching the second station 300, the second PET membrane is arranged on the membrane electrode assembly semi-finished product 333, and returning continuously, after the CCM membrane electrode assembly is subjected to pre-hot pressing by the flat pressing device 43, the CCM membrane electrode assembly is conveyed to a second carrier 334 away from the moving track 33 of the CCM membrane electrode production and supply system 1 by the jacking and moving mechanism 321, the CCM membrane electrode assembly 335 is transferred to the hot rolling device 41 for further hot pressing, and the empty vacuum suction plate 31 rotates for subsequent work.

Referring to fig. 10 to 14, the thermocompression system 4 is a thermocompression device 43, the thermocompression device 43 comprises a frame 431, a linear driving source 432 and a thermocompression plate system 433, the frame 431 comprises a support column 4311 and a mounting plate 4312, the linear driving source 432 is arranged on the mounting plate 4312, the thermocompression plate system 433 is arranged at the lower end of a driving shaft of the linear driving source 432, and when the vacuum suction plate 31 runs below the thermocompression plate system 433, the membrane electrode bonding body on the vacuum suction plate 31 is pressed by the thermocompression plate system 433.

Preferably, a plurality of suction holes 4111 are formed in the vacuum suction plate 31 relative to the membrane electrode assembly fixing area 411, and the suction holes 4111 are communicated with the negative pressure source and are independently controlled to be on or off; the negative pressure of the membrane electrode assembly fixing area 411 is turned on to adsorb the first diffusion layer 421 on the vacuum suction plate 31 (see fig. 11 to 13).

Referring to fig. 14, the hot pressing plate system 433 includes a first pressing plate 4331 and a second pressing plate 4332, the first pressing plate 4331 is connected to a lower end of a driving shaft of the linear driving source 432, the first pressing plate 4331 and the second pressing plate 4332 are connected through an elastic member 4333 (the elastic member 4333 in this embodiment is a spring, and the spring may be replaced by another elastic member), a heating plate 4335 is disposed on the second pressing plate 4332, and the heating plate 4335 may be an electric heating plate or an oil heating plate, and a structure in which the first pressing plate 4331 and the second pressing plate 4332 are connected through the elastic member 4333 is adopted, so that the second pressing plate 4332 is pressed on the membrane electrode assembly relatively flatly when pressing down.

Preferably, the utility model discloses still include airtight cloth or membrane 424, airtight cloth or membrane 424 hangs through the vacuum chuck who is connected with the negative pressure source on the second clamp plate 4332, when needs put airtight cloth or membrane 424 on the membrane electrode assembly, can communicate with each other vacuum chuck and atmosphere, it can to relieve the negative pressure.

Preferably, the hot platen system 433 includes a first platen 4331 and a heating plate 4335, and the heating plate 4335 is disposed on the first platen 4331 (in the case where a second platen is not required, not shown). Preferably, a soft gasket is disposed on the lower bottom surface of the heating plate 4335.

Preferably, the vacuum suction plate 31 is movably disposed below the hot pressing plate system 433, and after the vacuum suction plate 31 reaches a predetermined position below the hot pressing plate system 433, a negative pressure quick-connection mechanism (which is prior art and is not described herein) connects the vacuum suction plate 31 with a negative pressure source.

Preferably, the linear driving source 432 includes a driving motor 4321 and a lead screw nut structure 4322, and the driving motor 4321 drives the hot platen system 433 through the lead screw nut structure 4322. Of course, the linear driving source 432 may be implemented by a cylinder.

Referring to fig. 15, the hot press system 4 is a hot press apparatus 41, the hot press apparatus 41 includes a membrane-electrode combination transfer mechanism 411, an upper hot press roll 412 and a lower hot press roll 413 which are provided in pair, an upper smooth surface endless belt 414 and a lower smooth surface endless belt 415 both pass through a gap between the upper hot press roll 412 and the lower hot press roll 413, and the transferred membrane-electrode combination is rolled between the upper smooth surface endless belt 414 and the lower smooth surface endless belt 415.

Preferably, the utility model discloses still include shaping membrane electrode assembly unloader 416, shaping membrane electrode assembly unloader 416 includes shaping membrane electrode assembly unloading straight line actuating mechanism 4161 and shaping membrane electrode assembly and removes adsorption equipment 4162, shaping membrane electrode assembly removes adsorption equipment 4162 and makes reciprocating motion under the drive of shaping membrane electrode assembly unloading straight line actuating mechanism 4161.

Preferably, the membrane electrode combination body transfer mechanism 411 comprises a transfer mounting plate 4111 and a transfer linear movement mechanism 4112, the transfer mounting plate 4111 is arranged on the transfer linear movement mechanism 4112, the transfer mounting plate 4111 is provided with a lifting cylinder 4113, the lower end of a top rod of the lifting cylinder 4113 is provided with a connecting plate 4114, the lower bottom surface of the connecting plate 4114 is provided with a rotating cylinder 4115, and the lower end of a top rod of the rotating cylinder 4115 is provided with a rotary adsorption plate 4116; the transfer linear moving mechanism 4112 comprises two parallel guide rails 41121, a rack 41122 is arranged in parallel to one of the guide rails 41121, a translation motor 4117 is engaged with the rack 41122 through a gear, and the translation motor 4117 is fixedly connected with the transfer mounting plate 4111. The translation motor 4117 is started to drive the transfer mounting plate 4111 to move back and forth in the transfer linear moving mechanism 4112.

Referring to fig. 16 and 17, the present invention further provides an automatic assembly system for a CCM membrane electrode assembly or a CCM membrane electrode assembly of a hydrogen fuel cell, which includes a CCM membrane electrode sheet-making and feeding system 1, a diffusion layer sheet-making and feeding system 6, a positioning and circulating clamp system 3, a dispensing system 5 and a hot-pressing system 4; the CCM membrane electrode sheet-making and feeding system 1 and the diffusion layer sheet-making and feeding system 6 are arranged on one side of the positioning circulating clamp system 3;

the diffusion layer sheet manufacturing and feeding system 6 is used for arranging the die-cut first diffusion layer on a vacuum suction plate 31 of a first station of the positioning circulating clamp system 3, and the first diffusion layer is adsorbed and positioned by the vacuum suction plate 31;

the positioning circulating clamp system 3 moves the vacuum suction plate 31 with the first diffusion layer to a first station of the dispensing system 5, and the dispensing system 5 dispenses at a preset position of the first diffusion layer;

the positioning circulating clamp system 3 continuously moves the vacuum suction plate 31 with the first diffusion layer to a station of the CCM membrane electrode production and feeding system 1; laminating the die-cut CCM membrane electrode at the preset position of the first diffusion layer by the CCM membrane electrode sheet feeding system 1;

the positioning circulating clamp system 3 moves the vacuum suction plate 31 with the first diffusion layer and the CCM membrane electrode to a second station of the dispensing system 5 in a rotating manner, and the dispensing system 5 dispenses at a preset position of the CCM membrane electrode;

the positioning and circulating clamp system 3 enables a vacuum suction plate 31 with a first diffusion layer and a CCM membrane electrode to face a second station of the positioning and circulating clamp system 3 of the diffusion layer sheet making and feeding system 6, and the diffusion layer sheet making and feeding system 6 enables a second diffusion layer to be arranged on the CCM membrane electrode;

and the positioning circulating clamp system 3 continues to move to send the CCM membrane electrode assembly consisting of the first diffusion layer, the CCM membrane electrode and the second diffusion layer into the hot-pressing system 4 for hot pressing.

Referring to fig. 3 to fig. 5, the CCM membrane electrode production and feeding system 1 includes a CCM membrane electrode unwinding mechanism 11, a CCM base membrane winding mechanism 12, a base membrane separation roller 13, and a CCM membrane electrode cutting mechanism 14; under the control of the control circuit, the CCM membrane electrode unwinding mechanism 11 and the CCM membrane film winding mechanism 12 drive the CCM membrane electrode 111 of the membrane film to move in one direction at the same speed or at a winding speed of the CCM membrane film winding mechanism 12 which is slightly greater than the unwinding speed of the CCM roll unwinding mechanism 11;

the basement membrane separation roller 13 is arranged between the CCM membrane electrode unreeling mechanism 11 and the CCM basement membrane reeling mechanism 12 and used for separating the basement membrane on the CCM membrane electrode;

the CCM membrane electrode cutting mechanism 14 is located behind the basement membrane separation roller 13, and is used for cutting the separated bottomless CCM membrane electrode 112.

Preferably, the CCM membrane electrode cutting mechanism 14 includes a CCM membrane electrode fixing and adsorbing plate 141, a CCM membrane electrode adsorbing and transferring mechanism 142, a CCM membrane electrode cutting mechanism 143, and a CCM membrane electrode adsorbing and receiving mechanism 144, the CCM membrane electrode fixing and adsorbing plate 141, the CCM membrane electrode cutting mechanism 143, and the CCM membrane electrode adsorbing and receiving mechanism 144 are adjacent in sequence, and the CCM membrane electrode adsorbing and transferring mechanism 142 is movably disposed above the CCM membrane electrode fixing and adsorbing plate 141; the separated bottom-membrane-free CCM membrane electrode 112 is firstly absorbed by the CCM membrane electrode fixing and adsorbing plate 141, the CCM membrane electrode absorbing and transferring mechanism 142 moves downwards, the CCM membrane electrode fixing and adsorbing plate 141 transfers the absorbed bottom-membrane-free CCM membrane electrode 112 to the CCM membrane electrode absorbing and transferring mechanism 142, and the CCM membrane electrode absorbing and transferring mechanism 142 leaves the CCM membrane electrode fixing and adsorbing plate 141; the CCM membrane electrode adsorption material moving mechanism 142 moves the CCM membrane electrode 112 without the membrane to the upper part of the CCM membrane electrode adsorption material receiving mechanism 144 in a forward direction at the same winding speed as the CCM membrane film winding mechanism 12 or slightly less than the winding speed of the CCM membrane film winding mechanism 12; after the CCM membrane electrode adsorption material moving mechanism 142 carries the CCM membrane electrode 112 without the base membrane to reach a predetermined position above the CCM membrane electrode adsorption material receiving mechanism 144, the CCM membrane electrode adsorption material moving mechanism 142 moves downwards, and presses the CCM membrane electrode 112 without the base membrane onto the CCM membrane electrode adsorption material receiving mechanism 144, and the positioning part 1421 on the CCM membrane electrode adsorption material moving mechanism 142 presses the front end of the CCM membrane electrode 112 without the base membrane; the CCM membrane cutting mechanism 143 located between the CCM membrane electrode adsorption receiving mechanism 144 and the CCM membrane electrode fixed adsorption plate 141 moves upward, and the CCM membrane electrode 112 without a carrier film is cut into CCM membrane electrode units and transferred onto the CCM membrane electrode adsorption receiving mechanism 144.

Preferably, the utility model discloses still include die-cutting mechanism 15, CCM membrane electrode adsorbs receiving mechanism 144 under sharp actuating mechanism's drive, moves CCM membrane electrode unit to die-cutting mechanism 15's below, die-cutting mechanism 15 cuts CCM membrane electrode unit mould into littleer CCM membrane electrode elementary cell.

Preferably, a correcting mechanism 16 is arranged behind the die cutting mechanism 15, the correcting mechanism 16 includes a CCM membrane electrode blanking conveying mechanism 161, a UVW deviation rectifying platform 162 and a deviation rectifying detection digital camera 163, the CCM membrane electrode adsorption receiving mechanism 144 drives the CCM membrane electrode basic unit to pass through the die cutting mechanism 15, the CCM membrane electrode blanking conveying mechanism 161 adsorbs the CCM membrane electrode basic unit on the CCM membrane electrode adsorption receiving mechanism 144, the CCM membrane electrode basic unit moves to the UVW deviation rectifying platform 162, the deviation rectifying detection digital camera 163 above the UVW deviation rectifying platform 162 photographs the CCM membrane electrode basic unit, after processing the photograph, the deviation amount from the standard position is calculated, the deviation amount is fed back to the control circuit, and the control circuit controls the UVW deviation rectifying platform 162 to operate or not operate according to the deviation amount; or the deviation rectifying detection digital camera 163 feeds the picture back to the control circuit, the control circuit processes the picture, and then calculates the deviation amount from the standard position, and the control circuit controls the UVW deviation rectifying platform 162 to act or not act according to the value of the deviation amount.

Preferably, the CCM membrane electrode blanking conveying mechanism 161 includes a CCM membrane electrode blanking conveying linear driving mechanism 1611 and a CCM membrane electrode blanking conveying adsorption mechanism 1612, and the CCM membrane electrode blanking conveying adsorption mechanism 1612 reciprocates under the driving of the CCM membrane electrode blanking conveying linear driving mechanism 1611.

Preferably, the CCM membrane electrode adsorption material moving mechanism 142 includes a CCM membrane electrode adsorption material moving linear driving mechanism 1423 and a CCM membrane electrode moving adsorption device 1422, and the CCM membrane electrode moving adsorption device 1422 reciprocates under the driving of the CCM membrane electrode adsorption material moving linear driving mechanism 1423.

Referring to fig. 6 to 8, the diffusion layer sheet supply system 6 has the same structure as the PET film sheet supply system 2, and corresponding reference numerals of the diffusion layer sheet supply system 6 are not shown in fig. 6 to 8 for clarity of illustration, and the diffusion layer sheet supply system 6 can be easily understood in conjunction with the understanding of the PET film sheet supply system 2.

The diffusion layer sheet manufacturing and feeding system 6 comprises a diffusion layer unwinding mechanism, a diffusion layer drawing and cutting mechanism, a diffusion layer die cutting mechanism and a first overturning and moving mechanism which are sequentially arranged; the diffusion layer unwinding mechanism is matched with the diffusion layer cutting mechanism to pull the diffusion layer forwards and cut the diffusion layer into diffusion layer sheets; the diffusion layer drawing and cutting mechanism further sends the diffusion layer sheet to the position below the diffusion layer die cutting mechanism, the diffusion layer die cutting mechanism die cuts the diffusion layer sheet into a preset shape, the diffusion layer drawing and cutting mechanism further sends the die-cut diffusion layer sheet to the first overturning and conveying mechanism, and the first overturning and conveying mechanism adsorbs the die-cut diffusion layer sheet to be sent to the first station.

Preferably, the utility model discloses still include the second upset and move the mechanism, the first adsorption plate of first upset is moved the mechanism and is anticlockwise rotated 90 degrees by the diffusion lamina after the cross cutting, the second upset is moved the second adsorption plate of mechanism and is clockwise rotated 90 degrees, from the first adsorption plate on will be shifted to the second adsorption plate by the diffusion lamina after the cross cutting, the second adsorption plate gyration 90 degrees, will be moved to the second station by the diffusion lamina after the cross cutting.

Preferably, the diffusion layer cutting mechanism comprises a diffusion layer fixing adsorption plate, a diffusion layer adsorption material transferring mechanism, a diffusion layer cutting mechanism and a diffusion layer adsorption material receiving mechanism, the diffusion layer fixing adsorption plate, the diffusion layer cutting mechanism and the diffusion layer adsorption material receiving mechanism are sequentially abutted, and the diffusion layer adsorption material transferring mechanism is movably arranged above the diffusion layer fixing adsorption plate; the diffusion layer is firstly absorbed by a diffusion layer fixing and adsorbing plate, a diffusion layer absorbing and transferring mechanism descends, the diffusion layer fixing and adsorbing plate transfers the diffusion layer to the diffusion layer absorbing and transferring mechanism, and the diffusion layer absorbing and transferring mechanism leaves the diffusion layer fixing and adsorbing plate; the diffusion layer adsorption material moving mechanism drives the diffusion layer front to move towards the upper part of the diffusion layer adsorption material receiving mechanism; after the diffusion layer adsorption material moving mechanism drives the diffusion layer to reach a preset position above the diffusion layer adsorption material receiving mechanism, the diffusion layer adsorption material moving mechanism moves downwards and presses the diffusion layer on the diffusion layer adsorption material receiving mechanism, and a positioning piece on the diffusion layer adsorption material moving mechanism presses the front end of the diffusion layer; and the diffusion layer cutting mechanism positioned between the diffusion layer adsorption material receiving mechanism and the diffusion layer fixed adsorption plate moves upwards, cuts the diffusion layer into diffusion layer sheets and transfers the diffusion layer sheets to the diffusion layer adsorption material receiving mechanism.

Preferably, the first overturning and carrying mechanism comprises a first diffusion layer blanking and carrying linear driving mechanism and a first diffusion layer blanking, carrying and adsorbing mechanism, the first diffusion layer blanking and carrying linear driving mechanism comprises a first linear guide rail, a first rack and a first linear driving motor, and a first gear on an output shaft of the first linear driving motor is meshed with the first rack; the first diffusion layer blanking, carrying and adsorbing mechanism comprises a first mounting plate, a first lifting cylinder is arranged on the first mounting plate, the lower end of a first ejector rod of the first lifting cylinder is connected with a first connecting plate, the first connecting plate is connected with the first adsorbing plate, and the first adsorbing plate can rotate back and forth by 90 degrees under the driving of a first rotary driving mechanism; the first mounting plate is fixedly connected with the first linear driving motor.

Preferably, the second overturning and carrying mechanism comprises a second diffusion layer blanking and carrying linear driving mechanism and a second diffusion layer blanking, carrying and adsorbing mechanism, the second diffusion layer blanking and carrying linear driving mechanism comprises a second linear guide rail, a first rack and a second linear driving motor, and a second gear on an output shaft of the second linear driving motor is meshed with the first rack; the second diffusion layer blanking, carrying and adsorbing mechanism comprises a second mounting plate, a second lifting cylinder is arranged on the second mounting plate, the lower end of a second ejector rod of the second lifting cylinder is connected with a second connecting plate, the second connecting plate is connected with the second adsorbing plate, and the second adsorbing plate can rotate back and forth for 90 degrees under the driving of a second rotation driving mechanism; the second mounting plate is fixedly connected with the second linear driving motor.

In this embodiment, the X-direction moving rail 32 is composed of a plurality of lifting moving mechanisms 321 connected in series, the step length of each lifting moving mechanism 321 is exactly equal to the distance that the vacuum suction plate 31 moves from one station to another, the lifting moving mechanism 321 close to the moving rail 33 of the CCM membrane electrode production feeding system 1 can move the CCM membrane electrode assembly semi-finished product 333 to the first carrier 331 on the Y-direction moving rail 33, then the first Y-direction lead screw nut structure 332, together with the first carrier 331 and the CCM membrane electrode assembly semi-finished product 336, moves to the X-direction moving rail 32 corresponding to the other side (the first carrier 331 only moves back and forth on the Y-direction moving rail 33), the lifting moving mechanism 321 on the CCM side takes down the membrane electrode assembly semi-finished product 336, and returns back continuously, when reaching the second station 300, the second PET membrane is arranged on the membrane electrode assembly semi-finished product 336, and (3) returning continuously, after the CCM membrane electrode assembly is subjected to pre-hot pressing by the flat pressing device 43, the CCM membrane electrode assembly is conveyed to a second carrier 334 of the moving track 33 far away from the CCM membrane electrode production and supply system 1 by the jacking and moving mechanism 321, the CCM membrane electrode assembly 335 is transferred to the hot rolling device 41 for further hot pressing, and the empty vacuum suction plate 31 rotates for subsequent work.

Referring to fig. 18, the dispensing system 5 includes an X-axis moving module 51, a Y-axis moving module 52 and a Z-axis moving module 53, wherein the Z-axis moving module 53 is provided with a glue storage cylinder 54, and the glue storage cylinder 54 is provided with a dispensing head 55.

The utility model has the advantages that the CCM membrane electrode component of two different varieties can be produced only by the minimum change of the equipment.

Claims

1. An automatic assembly system for a hydrogen fuel cell CCM membrane electrode assembly is characterized by comprising a CCM membrane electrode sheet feeding system (1), a PET membrane sheet feeding system (2), a positioning circulating clamp system (3) and a hot pressing system (4); the CCM membrane electrode sheet production and supply system (1) and the PET membrane film sheet production and supply system (2) are arranged on one side of the positioning circulating clamp system (3);

the PET film production and feeding system (2) is used for arranging a first PET film with a die-cut adhesive face upward on a vacuum suction plate (31) of a first station of the positioning circulating clamp system (3) and adsorbing and positioning the first PET film by the vacuum suction plate (31);

the positioning circulating clamp system (3) moves the vacuum suction plate (31) with the first PET membrane to a station of the CCM membrane electrode production and feeding system (1); laminating the die-cut CCM membrane electrode at the preset position of the first PET membrane by a CCM membrane electrode sheet feeding system (1);

the positioning circulating clamp system (3) rotationally moves a vacuum suction plate (31) with a first PET membrane and a CCM membrane electrode to a second station of the positioning circulating clamp system (3) opposite to the PET membrane production and supply system (2), and the PET membrane production and supply system (2) arranges a second PET membrane with a downward adhesive surface on the CCM membrane electrode;

and the positioning circulating clamp system (3) continuously moves to send a CCM membrane electrode combination body formed by the first PET membrane, the CCM membrane electrode and the second PET membrane into the hot-pressing system (4) for hot pressing.

2. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 1, wherein: the CCM membrane electrode sheet feeding system (1) comprises a CCM membrane electrode unreeling mechanism (11), a CCM base membrane reeling mechanism (12), a base membrane separating roller (13) and a CCM membrane electrode cutting mechanism (14); under the control of a control circuit, the CCM membrane electrode unwinding mechanism (11) and the CCM base film winding mechanism (12) drive the CCM membrane electrode (111) of the belt base film to move towards one direction at the same speed or at a winding speed of the CCM base film winding mechanism (12) which is slightly greater than the unwinding speed of the CCM coil unwinding mechanism (11);

the basement membrane separation roller (13) is arranged between the CCM membrane electrode unreeling mechanism (11) and the CCM basement membrane reeling mechanism (12) and used for separating the basement membrane on the CCM membrane electrode;

the CCM membrane electrode cutting mechanism (14) is positioned behind the basement membrane separating roller (13) and is used for cutting the separated CCM membrane electrode (112) without basement membrane.

3. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 2, wherein: the CCM membrane electrode cutting mechanism (14) comprises a CCM membrane electrode fixing adsorption plate (141), a CCM membrane electrode adsorption material moving mechanism (142), a CCM membrane electrode cutting mechanism (143) and a CCM membrane electrode adsorption material receiving mechanism (144), wherein the CCM membrane electrode fixing adsorption plate (141), the CCM membrane electrode cutting mechanism (143) and the CCM membrane electrode adsorption material receiving mechanism (144) are sequentially abutted, and the CCM membrane electrode adsorption material moving mechanism (142) can be movably arranged above the CCM membrane electrode fixing adsorption plate (141); the separated CCM membrane electrode (112) without the base membrane is firstly absorbed by a CCM membrane electrode fixed absorption plate (141), a CCM membrane electrode absorption material moving mechanism (142) descends, the CCM membrane electrode fixed absorption plate (141) transfers the absorbed CCM membrane electrode (112) without the base membrane to the CCM membrane electrode absorption material moving mechanism (142), and the CCM membrane electrode absorption material moving mechanism (142) leaves the CCM membrane electrode fixed absorption plate (141); the CCM membrane electrode adsorption material moving mechanism (142) carries the CCM membrane electrode (112) without the base membrane to move to the upper part of the CCM membrane electrode adsorption material receiving mechanism (144) at the same rolling speed as the CCM base membrane rolling mechanism (12) or slightly less than the rolling speed of the CCM base membrane rolling mechanism (12); after the CCM membrane electrode adsorption material moving mechanism (142) carries the CCM membrane electrode (112) without the base membrane to reach a preset position above the CCM membrane electrode adsorption material receiving mechanism (144), the CCM membrane electrode adsorption material moving mechanism (142) descends, the CCM membrane electrode (112) without the base membrane is pressed on the CCM membrane electrode adsorption material receiving mechanism (144), and a positioning piece (1421) on the CCM membrane electrode adsorption material moving mechanism (142) presses the front end of the CCM membrane electrode (112) without the base membrane; and a CCM membrane electrode cutting mechanism (143) positioned between the CCM membrane electrode adsorption material receiving mechanism (144) and the CCM membrane electrode fixed adsorption plate (141) ascends, and the CCM membrane electrode (112) without the base membrane is cut into CCM membrane electrode units and transferred to the CCM membrane electrode adsorption material receiving mechanism (144).

4. The hydrogen fuel cell CCM membrane electrode assembly automatic assembly system according to claim 2 or 3, characterized in that: the CCM membrane electrode adsorption and receiving mechanism (144) is driven by the linear driving mechanism to move the CCM membrane electrode unit to the position below the die-cutting mechanism (15), and the die-cutting mechanism (15) is used for die-cutting the CCM membrane electrode unit into smaller CCM membrane electrode basic units.

5. The automatic assembly system for hydrogen fuel cell CCM membrane electrode assembly according to claim 4, wherein: a correcting mechanism (16) is arranged behind the die cutting mechanism (15), the correcting mechanism (16) comprises a CCM membrane electrode blanking conveying mechanism (161), a UVW deviation rectifying platform (162) and a deviation rectifying detection digital camera (163), the CCM membrane electrode adsorption material receiving mechanism (144) drives the CCM membrane electrode basic unit to pass through the die cutting mechanism (15), the CCM membrane electrode blanking carrying mechanism (161) adsorbs the CCM membrane electrode basic unit positioned on the CCM membrane electrode adsorption receiving mechanism (144), the CCM membrane electrode basic unit moves to the UVW deviation rectifying platform (162), a deviation rectifying detection digital camera (163) positioned above the UVW deviation rectifying platform (162) photographs the CCM membrane electrode basic unit, after the photo is processed by the deviation rectifying detection digital camera (163), the deviation amount from the standard position is calculated, the deviation amount is fed back to the control circuit, and the control circuit controls the UVW deviation rectifying platform (162) to act or not act according to the value of the deviation amount; or the deviation rectifying detection digital camera (163) feeds the picture back to the control circuit, the control circuit processes the picture, the deviation amount of the picture from the standard position is calculated, and the control circuit controls the UVW deviation rectifying platform (162) to act or not act according to the value of the deviation amount.

6. The automated assembly system for hydrogen fuel cell CCM membrane electrode assembly according to claim 5, wherein: the CCM membrane electrode blanking conveying mechanism (161) comprises a CCM membrane electrode blanking conveying linear driving mechanism (1611) and a CCM membrane electrode blanking conveying adsorption mechanism (1612), and the CCM membrane electrode blanking conveying adsorption mechanism (1612) reciprocates under the driving of the CCM membrane electrode blanking conveying linear driving mechanism (1611).

7. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 2, wherein: the CCM membrane electrode adsorption material moving mechanism (142) comprises a CCM membrane electrode adsorption material moving linear driving mechanism (1423) and a CCM membrane electrode moving adsorption device (1422), and the CCM membrane electrode moving adsorption device (1422) reciprocates under the driving of the CCM membrane electrode adsorption material moving linear driving mechanism (1423).

8. The hydrogen fuel cell CCM membrane electrode assembly automatic assembly system according to claim 1, 2, 3, 5, 6 or 7, characterized in that: the PET film production and feeding system (2) comprises a PET film unreeling mechanism (21), a PET film drawing and cutting mechanism (24), a PET film die cutting mechanism (25) and a first overturning and moving mechanism (26) which are sequentially arranged; the PET film unwinding mechanism (21) is matched with the PET film cutting mechanism to pull the PET film forwards and cut the PET film into PET film pieces; the PET film drawing and cutting mechanism further conveys the PET film to the position below the PET film die cutting mechanism (25), the PET film die cutting mechanism (25) die-cuts the PET film into a preset shape, the PET film drawing and cutting mechanism further conveys the die-cut PET film to the first overturning and conveying mechanism (26), and the first overturning and conveying mechanism (26) adsorbs the die-cut PET film to be conveyed to the first station.

9. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 8, wherein: the PET film die-cut device is characterized by further comprising a second overturning and carrying mechanism (27), wherein the first adsorption plate (261) of the first overturning and carrying mechanism (26) rotates the die-cut PET film by 90 degrees anticlockwise, the second adsorption plate (271) of the second overturning and carrying mechanism (27) rotates by 90 degrees clockwise, the die-cut PET film is transferred to the second adsorption plate (271) from the first adsorption plate (261), the second adsorption plate (271) rotates by 90 degrees, and the die-cut PET film is transferred to a second station.

10. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 8, wherein: the PET film stretch-cutting mechanism (24) comprises a PET film fixing adsorption plate (241), a PET film adsorption material moving mechanism (242), a PET film cutting mechanism (243) and a PET film adsorption material receiving mechanism (244), wherein the PET film fixing adsorption plate (241), the PET film cutting mechanism (243) and the PET film adsorption material receiving mechanism (244) are sequentially abutted, and the PET film adsorption material moving mechanism (242) is movably arranged above the PET film fixing adsorption plate (241); the PET film (212) is firstly absorbed by the PET film fixing and absorbing plate (241), the PET film absorbing and transferring mechanism (242) moves downwards, the PET film fixing and absorbing plate (241) transfers the PET film (212) to the PET film absorbing and transferring mechanism (242), and the PET film absorbing and transferring mechanism (242) leaves the PET film fixing and absorbing plate (241); the PET film adsorption material moving mechanism (242) drives the PET film (212) to move forwards above the PET film adsorption material receiving mechanism (244); after the PET film adsorption and material transfer mechanism (242) drives the PET film (212) to reach a preset position above the PET film adsorption and material receiving mechanism (244), the PET film adsorption and material transfer mechanism (242) moves downwards, the PET film (212) is pressed on the PET film adsorption and material receiving mechanism (244), and a positioning piece (2421) on the PET film adsorption and material transfer mechanism (242) presses the front end of the PET film (212); and the PET film cutting mechanism (243) positioned between the PET film adsorption receiving mechanism (244) and the PET film fixing adsorption plate (241) moves upwards, cuts the PET film (212) into PET film pieces, and transfers the PET film pieces to the PET film adsorption receiving mechanism (244).

11. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 8, wherein: the first overturning and carrying mechanism (26) comprises a first PET film material carrying linear driving mechanism and a first PET film material carrying adsorption mechanism (262), the first PET film material carrying linear driving mechanism comprises a first linear guide rail (2611), a first rack (2612) and a first linear driving motor (2613), and a first gear on an output shaft of the first linear driving motor (2613) is meshed with the first rack (2612); the first PET film material carrying adsorption mechanism (262) comprises a first mounting plate (2621), a first lifting cylinder (2622) is arranged on the first mounting plate (2621), the lower end of a first ejector rod of the first lifting cylinder (2622) is connected with a first connecting plate (2623), the first connecting plate (2623) is connected with the first adsorption plate (261), and the first adsorption plate (261) can rotate back and forth by 90 degrees under the driving of a first rotary driving mechanism (2625); the first mounting plate (2621) is fixedly connected with the first linear driving motor (2613).

12. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 9, wherein: the second overturning and carrying mechanism (27) comprises a second PET film feeding and conveying linear driving mechanism and a second PET film feeding and conveying adsorption mechanism (272), the second PET film feeding and conveying linear driving mechanism comprises a second linear guide rail (2711), a first rack (2612) and a second linear driving motor (2713), and a second gear on an output shaft of the second linear driving motor (2713) is meshed with the first rack (2612); the second PET film material conveying and adsorbing mechanism (272) comprises a second mounting plate (2721), a second lifting cylinder (2722) is arranged on the second mounting plate (2721), the lower end of a second ejector rod of the second lifting cylinder (2722) is connected with a second connecting plate (2723), the second connecting plate (2723) is connected with the second adsorbing plate (271), and the second adsorbing plate (271) can rotate 90 degrees back and forth under the driving of a second rotation driving mechanism (2725); the second mounting plate (2721) is fixedly connected with the second linear driving motor (2713).

13. The hydrogen fuel cell CCM membrane electrode assembly automatic assembly system according to claim 1, 2, 3, 5, 6 or 7, characterized in that: the positioning circulating clamp system (3) comprises two X-direction moving rails (32) which are parallel to each other, and two Y-direction moving rails (33) are respectively arranged at two ends of each X-direction moving rail (32) to form a square-shaped positioning circulating clamp system.

14. The hydrogen fuel cell CCM membrane electrode assembly automatic assembly system according to claim 1, 2, 3, 5, 6 or 7, characterized in that: the hot pressing system (4) is a flat pressing device (43), the flat pressing device (43) comprises a rack (431), a linear driving source (432) and a hot pressing plate system (433), the rack (431) comprises a support column (4311) and a mounting plate (4312), the linear driving source (432) is arranged on the mounting plate (4312), the hot pressing plate system (433) is arranged at the lower end of a driving shaft of the linear driving source (432), and when a vacuum suction plate (31) runs to the position below the hot pressing plate system (433), a membrane electrode bonding body on the vacuum suction plate (31) is pressed by the hot pressing plate system (433).

15. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 14, wherein: the hot pressing plate system (433) comprises a first pressing plate (4331) and a second pressing plate (4332), wherein the first pressing plate (4331) is connected with the lower end of a driving shaft of the linear driving source (432), the first pressing plate (4331) is connected with the second pressing plate (4332) through an elastic piece (4333), and a heating plate (4334) is arranged on the second pressing plate (4332).

16. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 15, wherein: further comprising a gas impermeable cloth or membrane (424), said gas impermeable cloth or membrane (424) being suspended from said second platen (4332) by vacuum cups connected to a source of negative pressure.

17. The hydrogen fuel cell CCM membrane electrode assembly automatic assembly system according to claim 1, 2, 3, 5, 6 or 7, characterized in that: the hot-pressing system (4) is a hot-pressing device (41), the hot-pressing device (41) comprises a membrane electrode combination transfer mechanism (411), an upper hot-pressing roller (412) and a lower hot-pressing roller (413) which are arranged in pairs, the upper smooth surface annular belt (414) and the lower smooth surface annular belt (415) penetrate through a gap between the upper hot-pressing roller (412) and the lower hot-pressing roller (413), and the transferred membrane electrode combination is rolled between the upper smooth surface annular belt (414) and the lower smooth surface annular belt (415).

18. The automated assembly system for hydrogen fuel cell CCM membrane electrode assemblies according to claim 17, wherein: the blanking device (416) for the formed membrane electrode combination comprises a forming membrane electrode combination blanking linear driving mechanism (4161) and a forming membrane electrode combination moving and adsorbing device (4162), and the forming membrane electrode combination moving and adsorbing device (4162) reciprocates under the driving of the forming membrane electrode combination blanking linear driving mechanism (4161).

19. An automatic assembly system of hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly is characterized in that: the device comprises a CCM membrane electrode sheet-making and feeding system (1), a diffusion layer sheet-making and feeding system (6), a positioning circulating clamp system (3), a dispensing system (5) and a hot-pressing system (4); the CCM membrane electrode sheet-making and feeding system (1) and the diffusion layer sheet-making and feeding system (6) are arranged on one side of the positioning circulating clamp system (3);

the diffusion layer sheet-making and feeding system (6) is used for arranging the die-cut first diffusion layer on a vacuum suction plate (31) of a first station of the positioning circulating clamp system (3) and positioning the die-cut first diffusion layer by the vacuum suction plate (31) in an adsorption manner;

the positioning circulating clamp system (3) moves the vacuum suction plate (31) with the first diffusion layer to a first station of the dispensing system (5), and the dispensing system (5) dispenses at a preset position of the first diffusion layer;

the positioning circulating clamp system (3) continuously moves the vacuum suction plate (31) with the first diffusion layer to a station of the CCM membrane electrode production and feeding system (1); laminating the die-cut CCM membrane electrode at the preset position of the first diffusion layer by a CCM membrane electrode sheet feeding system (1);

the positioning circulating clamp system (3) rotationally moves the vacuum suction plate (31) with the first diffusion layer and the CCM membrane electrode to a second station of the dispensing system (5), and the dispensing system (5) dispenses at a preset position of the CCM membrane electrode;

the positioning circulating clamp system (3) enables a vacuum suction plate (31) with a first diffusion layer and a CCM membrane electrode to face a second station of the positioning circulating clamp system (3) of the diffusion layer flaking feeding system (6), and the diffusion layer flaking feeding system (6) enables a second diffusion layer to be arranged on the CCM membrane electrode;

and the positioning circulating clamp system (3) continuously moves to send the CCM membrane electrode assembly consisting of the first diffusion layer, the CCM membrane electrode and the second diffusion layer into a hot-pressing system (4) for hot pressing.

20. The hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automated assembly system of claim 19, wherein: the CCM membrane electrode sheet feeding system (1) comprises a CCM membrane electrode unreeling mechanism (11), a CCM base membrane reeling mechanism (12), a base membrane separating roller (13) and a CCM membrane electrode cutting mechanism (14); under the control of a control circuit, the CCM membrane electrode unwinding mechanism (11) and the CCM base film winding mechanism (12) drive the CCM membrane electrode (111) of the belt base film to move towards one direction at the same speed or at a winding speed of the CCM base film winding mechanism (12) which is slightly greater than the unwinding speed of the CCM coil unwinding mechanism (11);

21. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 20, wherein: the CCM membrane electrode cutting mechanism (14) comprises a CCM membrane electrode fixing adsorption plate (141), a CCM membrane electrode adsorption material moving mechanism (142), a CCM membrane electrode cutting mechanism (143) and a CCM membrane electrode adsorption material receiving mechanism (144), wherein the CCM membrane electrode fixing adsorption plate (141), the CCM membrane electrode cutting mechanism (143) and the CCM membrane electrode adsorption material receiving mechanism (144) are sequentially abutted, and the CCM membrane electrode adsorption material moving mechanism (142) can be movably arranged above the CCM membrane electrode fixing adsorption plate (141); the separated CCM membrane electrode (112) without the base membrane is firstly absorbed by a CCM membrane electrode fixed absorption plate (141), a CCM membrane electrode absorption material moving mechanism (142) descends, the CCM membrane electrode fixed absorption plate (141) transfers the absorbed CCM membrane electrode (112) without the base membrane to the CCM membrane electrode absorption material moving mechanism (142), and the CCM membrane electrode absorption material moving mechanism (142) leaves the CCM membrane electrode fixed absorption plate (141); the CCM membrane electrode adsorption material moving mechanism (142) carries the CCM membrane electrode (112) without the base membrane to move to the upper part of the CCM membrane electrode adsorption material receiving mechanism (144) at the same rolling speed as the CCM base membrane rolling mechanism (12) or slightly less than the rolling speed of the CCM base membrane rolling mechanism (12); after the CCM membrane electrode adsorption material moving mechanism (142) carries the CCM membrane electrode (112) without the base membrane to reach a preset position above the CCM membrane electrode adsorption material receiving mechanism (144), the CCM membrane electrode adsorption material moving mechanism (142) descends, the CCM membrane electrode (112) without the base membrane is pressed on the CCM membrane electrode adsorption material receiving mechanism (144), and a positioning piece (1421) on the CCM membrane electrode adsorption material moving mechanism (142) presses the front end of the CCM membrane electrode (112) without the base membrane; and a CCM membrane electrode cutting mechanism (143) positioned between the CCM membrane electrode adsorption material receiving mechanism (144) and the CCM membrane electrode fixed adsorption plate (141) ascends, and the CCM membrane electrode (112) without the base membrane is cut into CCM membrane electrode units and transferred to the CCM membrane electrode adsorption material receiving mechanism (144).

22. The hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automated assembly system of claim 19 or 20, wherein: the CCM membrane electrode adsorption and receiving mechanism (144) is driven by the linear driving mechanism to move the CCM membrane electrode unit to the position below the die-cutting mechanism (15), and the die-cutting mechanism (15) is used for die-cutting the CCM membrane electrode unit into smaller CCM membrane electrode basic units.

23. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 22 wherein: a correcting mechanism (16) is arranged behind the die cutting mechanism (15), the correcting mechanism (16) comprises a CCM membrane electrode blanking conveying mechanism (161), a UVW deviation rectifying platform (162) and a deviation rectifying detection digital camera (163), the CCM membrane electrode adsorption material receiving mechanism (144) drives the CCM membrane electrode basic unit to pass through the die cutting mechanism (15), the CCM membrane electrode blanking carrying mechanism (161) adsorbs the CCM membrane electrode basic unit positioned on the CCM membrane electrode adsorption receiving mechanism (144), the CCM membrane electrode basic unit moves to the UVW deviation rectifying platform (162), a deviation rectifying detection digital camera (163) positioned above the UVW deviation rectifying platform (162) photographs the CCM membrane electrode basic unit, after the photo is processed by the deviation rectifying detection digital camera (163), the deviation amount from the standard position is calculated, the deviation amount is fed back to the control circuit, and the control circuit controls the UVW deviation rectifying platform (162) to act or not act according to the value of the deviation amount; or the deviation rectifying detection digital camera (163) feeds the picture back to the control circuit, the control circuit processes the picture, the deviation amount of the picture from the standard position is calculated, and the control circuit controls the UVW deviation rectifying platform (162) to act or not act according to the value of the deviation amount.

24. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 23, wherein: the CCM membrane electrode blanking conveying mechanism (161) comprises a CCM membrane electrode blanking conveying linear driving mechanism (1611) and a CCM membrane electrode blanking conveying adsorption mechanism (1612), and the CCM membrane electrode blanking conveying adsorption mechanism (1612) reciprocates under the driving of the CCM membrane electrode blanking conveying linear driving mechanism (1611).

25. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 22 wherein: the CCM membrane electrode adsorption material moving mechanism (142) comprises a CCM membrane electrode adsorption material moving linear driving mechanism (1423) and a CCM membrane electrode moving adsorption device (1422), and the CCM membrane electrode moving adsorption device (1422) reciprocates under the driving of the CCM membrane electrode adsorption material moving linear driving mechanism (1423).

26. The hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automated assembly system of claim 19 or 20 or 21 or 23 or 24 or 25, wherein: the diffusion layer sheet-making and feeding system (6) comprises a diffusion layer unreeling mechanism, a diffusion layer drawing and cutting mechanism, a diffusion layer die-cutting mechanism and a first overturning and moving mechanism which are sequentially arranged; the diffusion layer unwinding mechanism is matched with the diffusion layer cutting mechanism to pull the diffusion layer forwards and cut the diffusion layer into diffusion layer sheets; the diffusion layer drawing and cutting mechanism further sends the diffusion layer sheet to the position below the diffusion layer die cutting mechanism, the diffusion layer die cutting mechanism die cuts the diffusion layer sheet into a preset shape, the diffusion layer drawing and cutting mechanism further sends the die-cut diffusion layer sheet to the first overturning and conveying mechanism, and the first overturning and conveying mechanism adsorbs the die-cut diffusion layer sheet to be sent to the first station.

27. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 26 wherein: the first adsorption plate of the first overturning and carrying mechanism rotates the diffusion layer sheet subjected to die cutting by 90 degrees anticlockwise, the second adsorption plate of the second overturning and carrying mechanism rotates by 90 degrees clockwise, the diffusion layer sheet subjected to die cutting is transferred to the second adsorption plate from the first adsorption plate, and the second adsorption plate rotates by 90 degrees and transfers the diffusion layer sheet subjected to die cutting to a second station.

28. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 27 wherein: the diffusion layer cutting mechanism comprises a diffusion layer fixing adsorption plate, a diffusion layer adsorption material moving mechanism, a diffusion layer cutting mechanism and a diffusion layer adsorption material receiving mechanism, the diffusion layer fixing adsorption plate, the diffusion layer cutting mechanism and the diffusion layer adsorption material receiving mechanism are sequentially abutted, and the diffusion layer adsorption material moving mechanism is movably arranged above the diffusion layer fixing adsorption plate; the diffusion layer is firstly absorbed by a diffusion layer fixing and adsorbing plate, a diffusion layer absorbing and transferring mechanism descends, the diffusion layer fixing and adsorbing plate transfers the diffusion layer to the diffusion layer absorbing and transferring mechanism, and the diffusion layer absorbing and transferring mechanism leaves the diffusion layer fixing and adsorbing plate; the diffusion layer adsorption material moving mechanism drives the diffusion layer front to move towards the upper part of the diffusion layer adsorption material receiving mechanism; after the diffusion layer adsorption material moving mechanism drives the diffusion layer to reach a preset position above the diffusion layer adsorption material receiving mechanism, the diffusion layer adsorption material moving mechanism moves downwards and presses the diffusion layer on the diffusion layer adsorption material receiving mechanism, and a positioning piece on the diffusion layer adsorption material moving mechanism presses the front end of the diffusion layer; and the diffusion layer cutting mechanism positioned between the diffusion layer adsorption material receiving mechanism and the diffusion layer fixed adsorption plate moves upwards, cuts the diffusion layer into diffusion layer sheets and transfers the diffusion layer sheets to the diffusion layer adsorption material receiving mechanism.

29. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 27 wherein: the first overturning and moving mechanism comprises a first diffusion layer blanking and carrying linear driving mechanism and a first diffusion layer blanking and carrying adsorption mechanism, the first diffusion layer blanking and carrying linear driving mechanism comprises a first linear guide rail, a first rack and a first linear driving motor, and a first gear on an output shaft of the first linear driving motor is meshed with the first rack; the first diffusion layer blanking, carrying and adsorbing mechanism comprises a first mounting plate, a first lifting cylinder is arranged on the first mounting plate, the lower end of a first ejector rod of the first lifting cylinder is connected with a first connecting plate, the first connecting plate is connected with the first adsorbing plate, and the first adsorbing plate can rotate back and forth by 90 degrees under the driving of a first rotary driving mechanism; the first mounting plate is fixedly connected with the first linear driving motor.

30. The hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automated assembly system of claim 27 or 29, wherein: the second overturning and carrying mechanism comprises a second diffusion layer blanking and carrying linear driving mechanism and a second diffusion layer blanking and carrying adsorption mechanism, the second diffusion layer blanking and carrying linear driving mechanism comprises a second linear guide rail, a first rack and a second linear driving motor, and a second gear on an output shaft of the second linear driving motor is meshed with the first rack; the second diffusion layer blanking, carrying and adsorbing mechanism comprises a second mounting plate, a second lifting cylinder is arranged on the second mounting plate, the lower end of a second ejector rod of the second lifting cylinder is connected with a second connecting plate, the second connecting plate is connected with the second adsorbing plate, and the second adsorbing plate can rotate back and forth for 90 degrees under the driving of a second rotation driving mechanism; the second mounting plate is fixedly connected with the second linear driving motor.

31. The hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automated assembly system of claim 19 or 20 or 21 or 23 or 24 or 25, wherein: the positioning circulating clamp system (3) comprises two X-direction moving rails (32) which are parallel to each other, and two Y-direction moving rails (33) are respectively arranged at two ends of each X-direction moving rail (32) to form a square-shaped positioning circulating clamp system.

32. The hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automated assembly system of claim 19 or 20 or 21 or 23 or 24 or 25, wherein: the hot pressing system (4) is a flat pressing device (43), the flat pressing device (43) comprises a rack (431), a linear driving source (432) and a hot pressing plate system (433), the rack (431) comprises a support column (4311) and a mounting plate (4312), the linear driving source (432) is arranged on the mounting plate (4312), the hot pressing plate system (433) is arranged at the lower end of a driving shaft of the linear driving source (432), and when a vacuum suction plate (31) runs to the lower part of the hot pressing plate system (433), a membrane electrode assembly on the vacuum suction plate (31) is driven by the hot pressing plate system (433).

33. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 32 wherein: the hot pressing plate system (433) comprises a first pressing plate (4331) and a second pressing plate (4332), wherein the first pressing plate (4331) is connected with the lower end of a driving shaft of the linear driving source (432), the first pressing plate (4331) is connected with the second pressing plate (4332) through an elastic piece (4333), and a heating plate (4334) is arranged on the second pressing plate (4332).

34. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 33 wherein: further comprising a gas impermeable cloth or membrane (424), said gas impermeable cloth or membrane (424) being suspended from said second platen (4332) by vacuum cups connected to a source of negative pressure.

35. The hydrogen fuel cell CCM membrane electrode assembly or CCM membrane electrode assembly automated assembly system of claim 19 or 20 or 21 or 23 or 24 or 25, wherein: the hot pressing system (4) is a hot pressing device (41), the hot pressing device (41) comprises a membrane electrode assembly transfer mechanism (7411), an upper hot pressing roller (412) and a lower hot pressing roller (413) which are arranged in pairs, the upper smooth surface annular belt (414) and the lower smooth surface annular belt (415) penetrate through a gap between the upper hot pressing roller (412) and the lower hot pressing roller (413), and the transferred membrane electrode assembly is rolled between the upper smooth surface annular belt (414) and the lower smooth surface annular belt (415).

36. A hydrogen fuel cell CCM membrane electrode assembly or an automated CCM membrane electrode assembly system as claimed in claim 35 wherein: still include shaping membrane electrode subassembly unloader (7416), shaping membrane electrode subassembly unloader (7416) removes adsorption equipment (74162) including shaping membrane electrode subassembly unloading linear driving mechanism (74161) and shaping membrane electrode subassembly, shaping membrane electrode subassembly removes adsorption equipment (74162) and is in make reciprocating motion under the drive of shaping membrane electrode subassembly unloading linear driving mechanism (74161).