Coating and transfer printing all-in-one machine and using method thereof

Abstract

The invention relates to the technical field of fuel cell production, and provides a coating and transfer printing all-in-one machine which comprises a coating mechanism and a transfer printing mechanism, the coating mechanism comprises a feeding roller, a coating roller and a coating structure, the feeding roller is used for feeding a to-be-processed film, the to-be-processed film is wound on the coating roller, and the coating structure is arranged on one side of the coating roller and used for coating the to-be-processed film with slurry; the transfer printing mechanism is located at the lower station of the coating mechanism and comprises an upper pressing roller and a lower pressing roller which are arranged up and down, the upper pressing roller can move up and down relative to the lower pressing roller, and a transfer printing gap allowing the film to be machined to penetrate through is formed between the upper pressing roller and the lower pressing roller. The gap transfer printing device solves the problem that the gap transfer printing speed is low, and has the advantages of being simple in structure, low in production cost and high in transfer printing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of fuel cell production, and in particular to a coating and transfer all-in-one machine and a method for using the same. Background Art

[0002] Proton exchange membrane fuel cells, or hydrogen fuel cells, as a new type of clean energy, have attracted widespread attention due to their low pollution or even zero pollution. The core component of PEMFC, the membrane electrode, provides a continuous channel for protons, electrons, reaction gases and water for the electrochemical reaction of PEMFC, and is the focus of researchers, especially the research on its manufacturing process. In the production of fuel cells, the cathode transfer membrane, proton membrane + base membrane and anode transfer membrane need to be pressed together through a thermal transfer process and then rolled up.

[0003] The roll-to-roll thermal transfer equipment currently on the market can transfer catalysts on both sides of the cathode and anode at the same time, or transfer only the cathode or anode catalysts, or can achieve continuous or intermittent thermal transfer of the continuous catalyst coating on both sides of the transfer base film roll material according to the actual needs of their own products. However, in the intermittent transfer, the existing technology has the problem of slow transfer speed and low production efficiency. Summary of the invention

[0004] Based on this, in order to solve the problem of slow transfer speed of intermittent transfer, the present invention provides a coating transfer integrated machine and a method of using the same, and the specific technical solution is as follows:

[0005] A coating and transfer machine comprises a coating mechanism and a transfer mechanism; the coating mechanism comprises a feeding roller, a coating roller and a coating structure, the feeding roller is used to feed a film to be processed, the film to be processed is wound on the coating roller, the coating structure is arranged on one side of the coating roller and is used to coat slurry on the film to be processed; the transfer mechanism is located at the lower station of the coating mechanism, the transfer mechanism comprises an upper pressing roller and a lower pressing roller arranged up and down, the upper pressing roller can move up and down relative to the lower pressing roller, and a transfer gap is formed between the upper pressing roller and the lower pressing roller for the film to be processed to pass through.

[0006] The above-mentioned coating and transfer integrated machine, by being provided with a coating structure, is used to coat the film to be processed on the coating roller with slurry, thereby facilitating the coating operation on the film to be processed; by being provided with an upper pressure head, the lifting and lowering movement of the upper pressure head enables it to reciprocate away from the lower pressure head, thereby achieving the function of intermittent transfer, solving the problem of slow transfer speed of intermittent transfer in the prior art; by being provided with a transfer gap, when the transfer operation is not required, the transfer gap can also allow the film to be processed to pass through, and play a role of hot pressing or traction, which is conducive to increasing the use scenarios of the transfer mechanism, improving utilization rate and reducing cost.

[0007] Furthermore, a drying oven is arranged between the coating mechanism and the transfer mechanism, and the drying oven is provided with a feed port and a discharge port, and a film stripping device is arranged at the discharge port, and the film stripping device includes a release film winding roller. When the membrane to be processed is a proton exchange membrane, the release film winding roller is used to wind up the release film peeled off from the proton exchange membrane.

[0008] Furthermore, the coating and transfer machine also includes a rewinding mechanism arranged between the drying oven and the transfer mechanism, and the rewinding mechanism includes a first rewinding roller and a second rewinding roller arranged up and down, the first rewinding roller is installed on one side of the upper pressure roller, and the second rewinding roller is installed on one side of the lower pressure roller.

[0009] Furthermore, the coating and transfer machine also includes a winding mechanism, which includes a first winding roller and a second winding roller arranged vertically, the first winding roller is installed on the other side of the upper pressure roller and is used to wind up the first coil unwound from the first unwinding roller, and the second unwinding roller is installed on the other side of the lower pressure roller and is used to wind up the second coil unwound from the second unwinding roller.

[0010] Furthermore, the coating and transfer machine also includes a discharge mechanism located at the lower workstation of the transfer mechanism, and the discharge mechanism includes a composite device and a composite unwinding roller for unwinding the composite roll. When the membrane to be processed is a proton exchange membrane, the composite device is used to composite the proton exchange membrane and the composite roll to form a finished membrane.

[0011] Furthermore, the discharging mechanism also includes a finished product winding roller, and the finished film is wound on the finished product winding roller.

[0012] Furthermore, the transfer mechanism also includes a mounting frame and a driving structure installed on the top of the mounting frame, the mounting frame is provided with a lifting guide rail, the upper pressure roller is slidably assembled on the lifting guide rail, and the driving structure is transmission-connected to the upper pressure roller and is used to control the lifting and lowering movement of the upper pressure roller.

[0013] Furthermore, the upper pressure roller is a steel roller or a rubber roller, the outer surface of the rubber roller is paved with a heat-resistant material, and the lower pressure roller is a steel roller.

[0014] Furthermore, the coating structure is a coating die head; and the driving structure is an electric cylinder.

[0015] A method for using a coating and transfer machine comprises the following steps:

[0016] The PTFE membrane roll is wound on the first unwinding roller, the proton exchange membrane roll is wound on the feeding roller, the anode transfer membrane roll is wound on the second unwinding roller, and the CCM protective membrane roll is wound on the composite unwinding roller, the belts are manually threaded, and the integrated machine is started;

[0017] After the integrated machine is started, the proton exchange membrane roll is unwound, and the proton exchange membrane enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination. At the same time, the unqualified mark recognition device is used to detect and mark the unqualified mark in real time. If the roll is found to be unqualified, the transfer is interrupted;

[0018] Subsequently, the proton exchange membrane is transferred from the feeding roller to the coating roller and is coated with the slurry through the coating die head. After the coating is completed, the proton exchange membrane enters the drying oven for drying. After the drying is completed, the proton exchange membrane is discharged and corrected again;

[0019] Then, the proton exchange membrane is peeled off the release film through the film stripping device and enters the transfer mechanism, where it is transferred with the anode transfer film below. At the same time, the PTFE membrane above is continuously unwound and rewound and enters the transfer mechanism together with the proton exchange membrane to protect the proton exchange membrane after the release film is peeled off during the transfer process.

[0020] After the transfer is completed, the proton exchange membrane is discharged from the transfer mechanism and the anode base membrane is peeled off. After the anode base membrane is peeled off, the proton exchange membrane forms a CCM and enters the next process. At this time, the CCM protective film roll is unwound, and after deviation correction, tension control and static elimination, it enters the composite device at the same time as the CCM to complete the composite to form a finished membrane;

[0021] Finally, the composite finished film is rolled up onto the finished product winding roller and waits for manual unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention can be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily drawn to scale, but the emphasis is placed on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0023] Figure 1 It is a schematic structural diagram of the coating and transfer integrated machine described in the first, third and fourth embodiments of the present invention;

[0024] Figure 2 is a schematic structural diagram of a coating and transfer integrated machine according to a second embodiment of the present invention;

[0025] Figure 3 It is a schematic structural diagram of a transfer mechanism in a coating and transfer integrated machine according to an embodiment of the present invention.

[0026] Description of reference numerals:

[0027] 1. Feeding roller; 2. Coating roller; 3. Coating structure; 4. Transfer mechanism; 41. Upper pressure roller; 42. Lower pressure roller; 43. Mounting frame; 44. Driving structure; 45. Lifting guide rail; 5. Drying oven; 6. Release film winding roller; 7. Unwinding mechanism; 71. First unwinding roller; 72. Second unwinding roller; 8. Winding mechanism; 81. First winding roller; 82. Second winding roller; 9. Discharging mechanism; 91. Composite device; 92. Composite unwinding roller; 93. Finished product winding roller. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with its embodiments. It should be understood that the specific implementation methods described herein are only used to explain the present invention and do not limit the protection scope of the present invention.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0031] The “first” and “second” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0032] like Figure 1-Figure 3 As shown, a coating and transfer machine in one embodiment of the present invention includes a coating mechanism and a transfer mechanism 4; the coating mechanism includes a feeding roller 1, a coating roller 2 and a coating structure 3, the feeding roller 1 is used to feed the film to be processed, the film to be processed is wound on the coating roller 2, the coating structure 3 is arranged on one side of the coating roller 2 and is used to coat the slurry on the film to be processed; the transfer mechanism 4 is located at the lower station of the coating mechanism, the transfer mechanism 4 includes an upper pressing roller 41 and a lower pressing roller 42 arranged in an upper and lower manner, the upper pressing roller 41 can move up and down relative to the lower pressing roller 42, and a transfer gap is formed between the upper pressing roller 41 and the lower pressing roller 42 for the film to be processed to pass through.

[0033] The above-mentioned coating and transfer integrated machine, by being provided with a coating structure 3, carries out slurry coating on the film to be processed on the coating roller 2, thereby facilitating the coating operation on the film to be processed; by being provided with an upper pressure head, the lifting and lowering movement of the upper pressure head enables it to reciprocate away from the lower pressure head, thereby achieving the function of intermittent transfer, solving the problem of slow transfer speed of intermittent transfer in the prior art; by being provided with a transfer gap, when the transfer operation is not required, the transfer gap can also allow the film to be processed to pass through, and play a role of hot pressing or traction, which is conducive to increasing the use scenarios of the transfer mechanism 4, improving utilization rate and reducing cost.

[0034] Specifically, the upper pressing roller 41 and the lower pressing roller 42 are both electromagnetic heating rollers. Compared with the traditional thermal oil heating rollers and electric heating rollers, the electromagnetic heating rollers have the advantages of high temperature, good temperature uniformity, easy maintenance, low energy consumption, and no pollution.

[0035] like Figure 1 and Figure 2 As shown, in one embodiment, a drying oven 5 is provided between the coating mechanism and the transfer mechanism 4, and a feed port and a discharge port are provided on the drying oven 5, and a film stripping device is provided at the discharge port, and the film stripping device includes a release film winding roller 6. When the membrane to be processed is a proton exchange membrane, the release film winding roller 6 is used to wind up the release film peeled off from the proton exchange membrane. By providing a film stripping device, the release film on the proton exchange membrane is easier to tear off, and using the film stripping device to peel off the release film can reduce the risk of damage to the proton exchange membrane, which is conducive to improving the production yield.

[0036] like Figure 1 and Figure 2 As shown, in one embodiment, the coating and transfer machine also includes a reeling mechanism 7 arranged between the drying oven 5 and the transfer mechanism 4, and the reeling mechanism 7 includes a first reeling roller 71 and a second reeling roller 72 arranged up and down, the first reeling roller 71 is installed on one side of the upper pressure roller 41, and the second reeling roller 72 is installed on one side of the lower pressure roller 42.

[0037] like Figure 1 and Figure 2 As shown, in one embodiment, the coating and transfer machine also includes a winding mechanism 8, which includes a first winding roller 81 and a second winding roller 82 which are arranged vertically. The first winding roller 81 is installed on the other side of the upper pressure roller 41 and is used to wind up the first coil unwound from the first unwinding roller 71, and the second unwinding roller 72 is installed on the other side of the lower pressure roller 42 and is used to wind up the second coil unwound from the second unwinding roller 72.

[0038] like Figure 1 and Figure 2As shown, in one embodiment, the coating and transfer machine also includes a discharge mechanism 9 located at the lower station of the transfer mechanism 4, and the discharge mechanism 9 includes a composite device 91 and a composite unwinding roller 92 for unwinding the composite coil. When the membrane to be processed is a proton exchange membrane, the composite device 91 is used to composite the proton exchange membrane and the composite coil to form a finished membrane.

[0039] like Figure 1 and Figure 2 As shown, in one embodiment, the discharging mechanism 9 further includes a finished product winding roller 93 , and the finished film is wound on the finished product winding roller 93 .

[0040] like Figure 3 As shown, in one embodiment, the transfer mechanism 4 also includes a mounting frame 43 and a driving structure 44 installed on the top of the mounting frame 43, a lifting guide rail 45 is provided on the mounting frame 43, the upper pressure roller 41 is slidably assembled on the lifting guide rail 45, and the driving structure 44 is transmission-connected to the upper pressure roller 41 and is used to control the lifting and lowering movement of the upper pressure roller 41.

[0041] Specifically, the lifting guide rail 45 is arranged in a vertical direction.

[0042] In one embodiment, the upper pressure roller 41 is a steel roller or a rubber roller, the outer surface of the rubber roller is paved with a heat-resistant material, and the lower pressure roller 42 is a steel roller.

[0043] Specifically, the heat-resistant material is heat-resistant silicone, PTFE or PEEK or the like.

[0044] In one embodiment, the coating structure 3 is a coating die head; the driving structure 44 is an electric cylinder.

[0045] A method for using a coating transfer machine, such as Figure 1 As shown, in the first embodiment, when the membrane to be processed is a proton exchange membrane and coating and thermal transfer operations need to be performed simultaneously, the following steps are included:

[0046] S1, respectively winding the PTFE membrane roll on the first unwinding roller 71, the proton exchange membrane roll on the feeding roller 1, the anode transfer membrane roll on the second unwinding roller, and the CCM protective membrane roll on the composite unwinding roller 92, manually threading the tape, and starting the all-in-one machine;

[0047] S2. After the integrated machine is started, the proton exchange membrane roll is unwound, and the proton exchange membrane enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination. At the same time, the unqualified mark recognition device is used to detect and mark the unqualified mark in real time. If the roll is found to be unqualified, the transfer is interrupted;

[0048] S3, then, the proton exchange membrane is transferred from the feeding roller 1 to the coating roller 2 and slurry coated via the coating die head. After the coating is completed, the proton exchange membrane enters the drying oven 5 for drying. After the drying is completed, the proton exchange membrane is discharged and corrected again;

[0049] S4, then, the proton exchange membrane is peeled off the release film through the film stripping device and enters the transfer mechanism 4, and is thermally transferred with the anode transfer film below in the transfer mechanism 4. At the same time, the upper PTFE membrane is continuously unwound and reeled and enters the transfer mechanism 4 together with the proton exchange membrane, and is used to protect the proton exchange membrane after the release film is peeled off during the thermal transfer process;

[0050] S5, the proton exchange membrane after transfer is discharged from the transfer mechanism 4 and the anode base membrane is peeled off. The proton exchange membrane after peeling off the anode base membrane forms a CCM and enters the next process. At this time, the CCM protective film roll is unwound, and after deviation correction, tension control and static elimination, it enters the composite device 91 with the CCM to complete the composite to form a finished film;

[0051] S6. Finally, the composite finished film is rolled up onto the finished product roll 93 and waits for manual unloading.

[0052] like Figure 2 As shown, in the second embodiment, when the membrane to be processed is a proton exchange membrane and only a coating operation is required, the following steps are included:

[0053] S1, respectively winding the proton exchange membrane coil on the feeding roller 1 and the support membrane coil on the composite unwinding roller 92, manually threading the tape, and starting the all-in-one machine;

[0054] S2. After the integrated machine is started, the proton exchange membrane roll is unwound, and the proton exchange membrane enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination. At the same time, the unqualified mark recognition device is used to detect and mark the unqualified mark in real time. If the roll is found to be unqualified, the transfer is interrupted;

[0055] S3, then, the proton exchange membrane is transferred from the feeding roller 1 to the coating roller 2 and slurry coated via the coating die head. After the coating is completed, the proton exchange membrane enters the drying oven 5 for drying. After the drying is completed, the proton exchange membrane is discharged and corrected again;

[0056] S4, then, the proton exchange membrane is stripped of the release film by the film stripping device, at which time, the support membrane roll is unwound, and after deviation correction, tension control and static elimination, it enters the composite device 91 together with the proton exchange membrane to complete the composite formation of the finished membrane;

[0057] S5. Finally, the composite finished film is rolled up onto the finished product roll 93 and waits for manual unloading.

[0058] like Figure 2As shown, in the second embodiment, when the film to be processed is a transfer film and only a coating operation is required, the unwinding mechanism 7 and the winding mechanism 8 at the rear end are not used, and the upper pressure roller 41 is opened and away from the lower pressure roller 42, and the following steps are included:

[0059] S1, winding the transfer film roll on the feeding roller 1, manually threading the tape, and starting the all-in-one machine;

[0060] S2. After the integrated machine is started, the transfer film roll is unwound, and the transfer film enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination treatment;

[0061] S3, then, the transfer film is transferred from the feeding roller 1 to the coating roller 2 and slurry is coated through the coating die head. After the coating is completed, the transfer film enters the drying oven 5 for drying. After the drying is completed, the transfer film is discharged and corrected again;

[0062] S4. Finally, the transfer film is rolled up onto the finished product roll 93 and waits for manual unloading.

[0063] like Figure 1 As shown, in the third embodiment, when the membrane to be processed is a proton exchange membrane and needs to be coated and hot-pressed, the transfer mechanism 4 plays the role of hot pressing and traction, including the following steps:

[0064] S1, respectively winding the proton exchange membrane coil on the feeding roller 1 and the support membrane coil on the composite unwinding roller 92, manually threading the tape, and starting the all-in-one machine;

[0065] S2. After the integrated machine is started, the proton exchange membrane roll is unwound, and the proton exchange membrane enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination. At the same time, the unqualified mark recognition device is used to detect and mark the unqualified mark in real time. If the roll is found to be unqualified, the transfer is interrupted;

[0066] S3, then, the proton exchange membrane is transferred from the feeding roller 1 to the coating roller 2 and slurry coated via the coating die head. After the coating is completed, the proton exchange membrane enters the drying oven 5 for drying. After the drying is completed, the proton exchange membrane is discharged and corrected again;

[0067] S4, then, the proton exchange membrane is peeled off from the release film by the film stripping device, and enters the transfer mechanism 4 for hot pressing operation. At the same time, the PTFE membranes above and below the transfer mechanism 4 are continuously unwound and reeled and enter the transfer mechanism 4 together with the proton exchange membrane, and are used to protect the proton exchange membrane after the release film is peeled off during the hot pressing process;

[0068] S5, the proton exchange membrane after hot pressing is discharged from the transfer mechanism 4 and enters the next process. At this time, the support membrane roll is unwound, and after deviation correction, tension control and static elimination, it enters the composite device 91 together with the proton exchange membrane to complete the composite to form a finished membrane;

[0069] S6. Finally, the composite finished film is rolled up onto the finished product roll 93 and waits for manual unloading.

[0070] like Figure 1 As shown, in the third embodiment, when the film to be processed is a transfer film and needs to be coated and hot-pressed, the transfer mechanism 4 plays the role of hot pressing and traction, including the following steps:

[0071] S1, winding the transfer film roll on the feeding roller 1, manually threading the tape, and starting the all-in-one machine;

[0072] S2. After the integrated machine is started, the transfer film roll is unwound, and the transfer film enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination treatment;

[0073] S3, then, the transfer film is transferred from the feeding roller 1 to the coating roller 2 and slurry is coated through the coating die head. After the coating is completed, the transfer film enters the drying oven 5 for drying. After the drying is completed, the transfer film is discharged and corrected again;

[0074] S4, then, the transfer film enters the transfer mechanism 4 for hot pressing operation, and at the same time, the PTFE films above and below the transfer mechanism 4 are continuously unwound and reeled and enter the transfer mechanism 4 together with the transfer film, and are used to protect the coating on the transfer film after the coating operation during the hot pressing process;

[0075] S5. Finally, the transfer film is rolled up onto the finished product roll 93 and waits for manual unloading.

[0076] like Figure 1 As shown, in the fourth embodiment, when the membrane to be processed is a proton exchange membrane and only needs to be subjected to a thermal transfer operation, wherein the coating die head and the drying oven 5 do not work, the following steps are included:

[0077] S1, respectively winding the cathode coating coil on the first unwinding roller 71, the proton exchange membrane coil on the feeding roller 1, the anode coating coil on the second unwinding roller, and the CCM protective membrane coil on the composite unwinding roller 92, manually threading the tape, and starting the all-in-one machine;

[0078] S2. After the integrated machine is started, the proton exchange membrane roll is unwound, and the proton exchange membrane enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination. At the same time, the unqualified mark recognition device is used to detect and mark the unqualified mark in real time. If the roll is found to be unqualified, the transfer is interrupted;

[0079] S3, then, the proton exchange membrane is peeled off the release film by the membrane stripping device, and enters the transfer mechanism 4, and is thermally transferred with the cathode coating above and the anode coating below at the same time in the transfer mechanism 4;

[0080] S4, after the transfer is completed, the proton exchange membrane is discharged from the transfer mechanism 4 and the cathode base membrane and the anode base membrane are peeled off respectively, and the CCM is formed and then enters the next process. At this time, the CCM protective film roll is unwound, and after deviation correction, tension control and static elimination, it enters the composite device 91 at the same time as the CCM to complete the composite to form a finished film;

[0081] S5. Finally, the composite finished film is rolled up onto the finished product roll 93 and waits for manual unloading.

[0082] Specifically, in the above embodiments, each roll of material needs to undergo pre-processing operations such as deviation correction, tension control, and static elimination.

[0083] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0084] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A coating and transfer integrated machine, characterized in that: include: A coating mechanism, the coating mechanism comprising a feeding roller, a coating roller and a coating structure, the feeding roller is used to feed the film to be processed, the film to be processed is wound on the coating roller, and the coating structure is arranged on one side of the coating roller and is used to coat the slurry on the film to be processed; The transfer mechanism is located at the lower station of the coating mechanism, and the transfer mechanism includes an upper pressing roller and a lower pressing roller which are arranged vertically. The upper pressing roller can move up and down relative to the lower pressing roller, and a transfer gap is formed between the upper pressing roller and the lower pressing roller for the film to be processed to pass through.

2. The coating and transfer integrated machine and the method of using the same according to claim 1, characterized in that: A drying oven is arranged between the coating mechanism and the transfer mechanism, and the drying oven is provided with a feed port and a discharge port. A film stripping device is arranged at the discharge port, and the film stripping device includes a release film winding roller. When the membrane to be processed is a proton exchange membrane, the release film winding roller is used to wind up the release film peeled off from the proton exchange membrane.

3. The coating and transfer integrated machine according to claim 2, characterized in that: It also includes an unwinding mechanism arranged between the drying oven and the transfer mechanism, the unwinding mechanism includes a first unwinding roller and a second unwinding roller arranged up and down, the first unwinding roller is installed on one side of the upper pressure roller, and the second unwinding roller is installed on one side of the lower pressure roller.

4. The coating and transfer integrated machine according to claim 3, characterized in that: It also includes a winding mechanism, which includes a first winding roller and a second winding roller arranged up and down, the first winding roller is installed on the other side of the upper pressure roller and is used to wind up the first coil unwound from the first unwinding roller, and the second unwinding roller is installed on the other side of the lower pressure roller and is used to wind up the second coil unwound from the second unwinding roller.

5. The coating and transfer integrated machine according to claim 1, characterized in that: It also includes a discharge mechanism located at the lower station of the transfer mechanism, the discharge mechanism includes a composite device and a composite unwinding roller for unwinding the composite coil. When the membrane to be processed is a proton exchange membrane, the composite device is used to composite the proton exchange membrane and the composite coil to form a finished membrane.

6. The coating and transfer integrated machine according to claim 5, characterized in that: The discharging mechanism further comprises a finished product winding roller, and the finished product film is wound on the finished product winding roller.

7. The coating and transfer integrated machine according to claim 1, characterized in that: The transfer mechanism also includes a mounting frame and a driving structure installed on the top of the mounting frame. The mounting frame is provided with a lifting guide rail, and the upper pressure roller is slidably assembled on the lifting guide rail. The driving structure is transmission-connected to the upper pressure roller and is used to control the lifting movement of the upper pressure roller.

8. The coating and transfer integrated machine according to claim 1, characterized in that: The upper pressure roller is a steel roller or a rubber roller, the outer surface of the rubber roller is paved with a heat-resistant material, and the lower pressure roller is a steel roller.

9. The coating and transfer integrated machine according to claim 7, characterized in that: The coating structure is a coating die head; the driving structure is an electric cylinder.

10. A method for using a coating and transfer machine, characterized in that: The following steps are involved: The PTFE membrane roll is wound on the first unwinding roller, the proton exchange membrane roll is wound on the feeding roller, the anode transfer membrane roll is wound on the second unwinding roller, and the CCM protective membrane roll is wound on the composite unwinding roller, the belts are manually threaded, and the integrated machine is started; After the integrated machine is started, the proton exchange membrane roll is unwound, and the proton exchange membrane enters the deviation correction device for tension control and deviation correction, and the static elimination device is used for static elimination. At the same time, the unqualified mark recognition device is used to detect and mark the unqualified mark in real time. If the roll is found to be unqualified, the transfer is interrupted; Subsequently, the proton exchange membrane is transferred from the feeding roller to the coating roller and is coated with the slurry through the coating die head. After the coating is completed, the proton exchange membrane enters the drying oven for drying. After the drying is completed, the proton exchange membrane is discharged and corrected again; Then, the proton exchange membrane is peeled off the release film through the film stripping device and enters the transfer mechanism, where it is transferred with the anode transfer film below. At the same time, the PTFE membrane above is continuously unwound and rewound and enters the transfer mechanism together with the proton exchange membrane to protect the proton exchange membrane after the release film is peeled off during the transfer process. After the transfer is completed, the proton exchange membrane is discharged from the transfer mechanism and the anode base membrane is peeled off. After the anode base membrane is peeled off, the proton exchange membrane forms a CCM and enters the next process. At this time, the CCM protective film roll is unwound, and after deviation correction, tension control and static elimination, it enters the composite device at the same time as the CCM to complete the composite to form a finished membrane; Finally, the composite finished film is rolled up onto the finished product winding roller and waits for manual unloading.

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