Frame production equipment and membrane electrode production equipment

Abstract

The invention relates to frame production equipment and membrane electrode production equipment, and belongs to the technical field of hydrogen fuel cells. The invention provides frame production equipment. The frame production equipment comprises a backing film unwinding mechanism; a mask cutting mechanism; the outer frame unwinding unit is used for providing an outer frame material belt; the laminating mechanism is used for forming a second middle material belt; and the outer frame cutting mechanism is used for cutting the outer frame material strip of the second middle material strip to form a first frame finished product material strip. The invention further provides membrane electrode production equipment which comprises an upper frame unwinding module and a lower frame unwinding module, a CCM cutting and transferring module; the first thermal compounding module is used for forming a first composite material belt; the lower frame transfer module is used for providing a lower frame transfer material belt; and the second thermal compounding module is used for forming a second composite material belt. According to the frame production equipment and the membrane electrode production equipment, the membrane electrode can be automatically produced, and the qualified rate of finished products and the quality control precision are high.

Description

Technical Field

[0001] The present application relates to the field of hydrogen fuel cell technology, and more specifically, to a frame production device and a membrane electrode production device. Background Art

[0002] Membrane electrode is the core component of hydrogen fuel cells. The manufacturing process and product quality of membrane electrode determine the upper limit of fuel cell performance, life and cost. High-performance, low-cost and long-life membrane electrode is of great significance to accelerating the commercialization process of hydrogen fuel cells.

[0003] For a five-layer membrane electrode, the upper frame, catalyst-coated proton membrane (CCM) and lower frame need to be stacked, bonded and hot-pressed to form a finished MEA strip. Common membrane electrode production equipment on the market can automatically output a five-layer membrane electrode after loading the raw material rolls. However, how to improve the qualification rate and quality control accuracy of finished membrane electrodes will significantly reduce the manufacturing cost of membrane electrodes and improve the performance of the stack, which has become a technical problem that needs to be solved urgently. Summary of the invention

[0004] To this end, the present application proposes a frame production device and a membrane electrode production device, which can realize the automated production of frames and membrane electrodes and have a high finished product qualification rate and quality control accuracy.

[0005] The frame production equipment of the first aspect embodiment of the present application includes: a bottom film unwinding mechanism for unwinding a bottom film coil material strip, the bottom film coil material strip includes a stacked bottom film tape and a mask tape; a mask cutting mechanism for cutting the mask tape of the bottom film coil material strip to form a first intermediate tape, the first intermediate tape includes a stacked bottom film tape and a mask tape covering an active area; an outer frame unwinding unit for providing an outer frame tape; a laminating mechanism for receiving the outer frame tape and the first intermediate tape to form a second intermediate tape; an outer frame cutting mechanism for cutting the outer frame tape of the second intermediate tape to form a first finished frame tape, the first finished frame tape includes a stacked bottom film tape, a mask tape covering the active area, and an outer frame tape with an opening for the active area.

[0006] The frame production equipment of the embodiment of the present application includes a bottom film unwinding mechanism and an outer frame unwinding unit. By loading the bottom film roll material strip and the outer frame roll material strip, a first frame finished product strip is formed after a series of cutting processes. It can be used for the preparation of the upper frame or lower frame strip of the membrane electrode, and has a good finished product qualification rate and quality control accuracy.

[0007] Optionally, the frame production equipment further includes: an outer frame waste discharge mechanism, located downstream of the outer frame cutting mechanism, for discharging waste from the outer frame material strip.

[0008] Optionally, the frame production equipment also includes: an inner frame unwinding mechanism for unwinding the inner frame material strip; a frame compounding mechanism for receiving the inner frame material strip and the first frame finished material strip, and hot pressing and compounding them to form a third intermediate material strip; an inner frame cutting mechanism for cutting the inner frame material strip of the third intermediate material strip to form a second frame finished material strip, wherein the second frame finished material strip includes a stacked bottom film material strip, a mask material strip covering the active area, an outer frame material strip with an active area opening, and an inner frame material strip with an active area opening.

[0009] Optionally, the frame production equipment further includes: an inner frame waste discharge mechanism, located downstream of the inner frame cutting mechanism, for discharging waste from the inner frame material strip.

[0010] Optionally, the frame production equipment further includes: a finished product winding mechanism for winding the second frame finished product strip.

[0011] Optionally, the outer frame unwinding unit includes: an outer frame unwinding mechanism for unwinding an outer frame material strip, the outer frame material strip including a stacked outer frame material strip and a protective film material strip; and a protective film winding mechanism for winding the protective film material strip.

[0012] Optionally, the outer frame cutting mechanism half-cuts the outer frame material strip of the second intermediate material strip to form a first frame finished material strip, which includes a stacked bottom film material strip, a mask material strip covering the active area, and an outer frame sheet with an active area opening.

[0013] The membrane electrode production equipment of the second embodiment of the present application includes: an upper frame unwinding module for providing an upper frame material strip; a CCM cutting and transfer module for providing a CCM cutting and transfer material strip, wherein the CCM cutting and transfer material strip includes a stacked CCM transfer film material strip and a CCM sheet material;

[0014] The first thermal composite module is used to receive the upper frame material tape and the CCM cutting transfer material tape, and to roll up the CCM transfer film material tape after hot pressing and compounding to form a first composite material tape, the first composite material tape includes the stacked upper frame material tape and the CCM sheet material; the lower frame transfer module is used to provide the lower frame transfer material tape, the lower frame transfer material tape includes the stacked lower frame transfer film material tape and the lower frame material tape; the second thermal composite module is used to receive the first composite material tape and the lower frame transfer material tape, and to hot pressing and compound to form a second composite material tape, the second composite material tape includes the stacked lower frame transfer film material tape, the lower frame material tape, the CCM sheet material and the upper frame material tape.

[0015] The membrane electrode production equipment of the embodiment of the present application is used to prepare the finished membrane electrode material strip. The CCM and the lower frame are cut into sheets respectively. The upper frame material strip and the CCM sheet are first hot-pressed and composited to form a first composite material strip. Then the lower frame material strip and the first composite material strip are hot-pressed and composited to form a second composite material strip, which is rolled up for the next process. Since the CCM cutting process is included, both the upper frame and the lower frame use prefabricated material strips. The entire equipment needs to load the upper frame material strip, the CCM coil material strip, the lower frame coil material strip, the CCM transfer film material strip and the lower frame transfer film material strip. After a series of processing, the second composite material strip is output. Each material strip is controlled in sections, with a high finished product qualification rate and quality control accuracy.

[0016] Optionally, the CCM cutting and transfer module includes: a CCM unwinding mechanism for unwinding a CCM coil material tape, the CCM coil material tape including a stacked CCM bottom film tape and a CCM tape; a CCM cutting mechanism for half-cutting the CCM coil material tape to form a CCM half-cut tape, the CCM half-cut tape including a stacked CCM bottom film tape and a CCM sheet; a CCM bottom film peeling and winding mechanism for peeling the CCM half-cut tape, winding the CCM bottom film tape, and outputting the CCM sheet; a CCM transfer film unwinding mechanism for unwinding the CCM transfer film tape; a CCM sheet laminating mechanism for receiving the CCM sheet and laminating it with the CCM transfer film tape to form a CCM cutting and transfer tape.

[0017] Optionally, the lower frame transfer module includes: a lower frame unwinding mechanism, used to unwind the lower frame material strip, the lower frame material strip includes a stacked lower frame bottom film strip and a lower frame strip; a lower frame bottom film winding mechanism, used to wind up the lower frame bottom film strip and output the lower frame strip; a lower frame transfer film unwinding mechanism, used to unwind the lower frame transfer film strip; and a lower frame bonding mechanism, used to receive the lower frame strip and the lower frame transfer film strip to form a lower frame transfer strip.

[0018] Optionally, the lower frame transfer module further includes: a lower frame bottom film peeling mechanism, which is used to peel off the lower frame coil material strip, output the lower frame material strip, and remove waste from the lower frame material strip.

[0019] Optionally, the first thermal composite module includes: a first hot roller and a first pressure roller, the upper frame material strip and the CCM cutting transfer material strip are configured to pass between the first hot roller and the first pressure roller; a first guide roller, used to guide the upper frame material strip to fit with the first hot roller; and a CCM transfer film winding mechanism, used to wind up the CCM transfer film material strip.

[0020] Optionally, the CCM coil material strip includes a stacked bottom CCM supporting film material strip, a surface CCM supporting film material strip and a CCM material strip, the CCM cutting mechanism is used to half-cut the CCM coil material strip to form a CCM half-cut material strip, the CCM half-cut material strip includes a stacked bottom CCM supporting film material strip, a surface CCM supporting film sheet material and a CCM sheet material, the surface CCM supporting film sheet material follows the CCM transfer film material strip and is wound up by the CCM transfer film winding mechanism.

[0021] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 An overall equipment diagram of the frame production equipment provided in the embodiment of the present application;

[0024] Figure 2 An overall equipment diagram of a membrane electrode production equipment provided in an embodiment of the present application;

[0025] Figure 3 A structural diagram of an upper frame unwinding module of a membrane electrode production device provided in an embodiment of the present application;

[0026] Figure 4 A structural diagram of a CCM cutting and transfer module of a membrane electrode production equipment provided in an embodiment of the present application;

[0027] Figure 5 A structural diagram of a first thermal composite module of a membrane electrode production device provided in an embodiment of the present application;

[0028] Figure 6 A structural diagram of a lower frame transfer module and a second thermal composite module of a membrane electrode production device provided in an embodiment of the present application;

[0029] Figure 7 A product processing flow chart corresponding to the frame production equipment provided in the embodiment of the present application;

[0030] Figure 8 This is a product processing flow chart corresponding to the membrane electrode production equipment provided in the embodiment of the present application.

[0031] Icons: 100-frame production equipment; 111-bottom film unwinding mechanism; 112-mask film cutting mechanism; 113-outer frame unwinding unit; 1131-outer frame unwinding mechanism; 1132-protective film winding mechanism; 114-laminating mechanism; 115-outer frame cutting mechanism; 1151-upper frame cutting mechanism; 1152-lower frame cutting mechanism; 116-mask film waste discharge mechanism; 117-outer frame waste discharge mechanism; 121-inner frame unwinding mechanism; 122-inner frame cutting mechanism; 123-inner frame waste discharge mechanism; 130-frame composite mechanism; 131-main roller; 132-pressing roller; 133-guide roller; 140-finished product winding mechanism; 200-first frame finished product strip; 210-bottom film roll material Belt; 211-bottom film strip; 212-mask strip; 213-mask waste; 220-first intermediate strip; 230-outer frame coil strip; 231-outer frame strip; 232-protective film strip; 240-second intermediate strip; 250-active area; 300-second frame finished strip; 310-inner frame strip; 320-third intermediate strip; 400-membrane electrode production equipment; 410-upper frame unwinding module; 411-upper frame unwinding mechanism; 412-upper frame visual positioning mechanism; 420-CCM cutting transfer module; 421-CCM unwinding mechanism; 422-CCM traction mechanism; 423-CCM cutting mechanism; 4231-cutting assembly; 4232-cutting waste discharge and rewinding mechanism ;4233-cutting visual positioning mechanism;424-CCM bottom film peeling and winding mechanism;4241-CCM peeling mechanism;4242-asynchronous conveyor belt;4243-CCM defective product rejection mechanism;4244-CCM bottom film winding mechanism;425-CCM transfer film unwinding mechanism;426-CCM insert laminating mechanism;427-CCM visual positioning mechanism;430-first thermal composite module;431-first hot roller;432-first pressure roller;433-first guide roller;434-CCM transfer film winding mechanism;435-first finished product visual positioning mechanism;440-lower frame transfer module;441-lower frame unwinding mechanism;442-lower frame bottom film peeling mechanism;443-lower frame bottom Film winding mechanism; 444-lower frame transfer film unwinding mechanism; 445-lower frame laminating mechanism; 446-lower frame visual positioning mechanism; 450-second thermal composite module; 451-second hot roller; 452-second finished product visual positioning mechanism; 460-membrane electrode winding mechanism; 510-upper frame material strip; 520-CCM cutting transfer material strip; 521-CCM transfer film material strip; 522-CCM sheet material; 523-CCM coil material strip; 524-CCM half-cut material strip; 525-CCM bottom film material strip; 5251-bottom CCM bottom film material strip; 5252-surface CCM bottom film material strip; 5253-surface CCM bottom film sheet material; 526-CCM material strip; 530-first composite material strip;540-lower frame transfer tape; 541-lower frame bottom film tape; 542-lower frame tape; 543-lower frame transfer film tape; 544-lower frame coil tape; 550-second composite tape. ; DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0034] like Figure 1 and Figure 7 As shown, the frame production equipment 100 of some embodiments of the present application includes a bottom film unwinding mechanism 111, a mask cutting mechanism 112, an outer frame unwinding unit 113, a laminating mechanism 114 and an outer frame cutting mechanism 115. The bottom film unwinding mechanism 111 is used to unwind the bottom film roll material strip 210, and the bottom film roll material strip 210 includes a stacked bottom film strip 211 and a mask strip 212; the mask cutting mechanism 112 is used to cut the mask strip 212 of the bottom film roll material strip 210 to form a first intermediate strip 220, and the first intermediate strip 220 includes a stacked bottom film strip 211 and a mask strip 212 with an opening of an active area 250; the outer frame unwinding unit 113 is used to provide an outer frame. The frame material strip 231; the bonding mechanism 114 is used to receive the outer frame material strip 231 and the first intermediate material strip 220 to form a second intermediate material strip 240; the outer frame cutting mechanism 115 is used to cut the outer frame material strip 231 of the second intermediate material strip 240 to form a first frame finished material strip 200, and the first frame finished material strip 200 includes a stacked bottom film material strip 211, a mask material strip 212 covering the active area 250 and an outer frame material strip 231 with an opening for the active area 250.

[0035] It is understandable that the first frame finished material strip 200 is one of the raw materials for the membrane electrode. The first frame finished material strip 200 can be an upper frame material strip or a lower frame material strip, which is used as the raw material for preparing the membrane electrode in the next process. The active area 250 corresponds to the catalyst coating area of ​​the CCM sheet in the membrane electrode, and the outer frame material strip 231 needs to be cut out to expose the active area 250.

[0036] The frame production equipment 100 of the embodiment of the present application includes a bottom film unwinding mechanism 111 and an outer frame unwinding unit 113. By loading the bottom film roll material strip 210 and the outer frame roll material strip 230, a first frame finished product strip 200 is formed after a series of cutting processes. It can be used for the preparation of the upper frame or lower frame strip of the membrane electrode, and has a good finished product qualification rate and quality control accuracy.

[0037] The specific structure of the frame production equipment 100 is explained in detail below.

[0038] The mask cutting mechanism 112 is used to cut the mask material strip 212 of the base film roll material strip 210 to form a first intermediate material strip 220 .

[0039] The surface of the bottom film strip 211 has an adhesive layer to bond with the outer frame strip 231 of the next process. The mask strip 212 needs to cover the active area 250, exposing the frame structure at the edge for bonding with the outer frame strip 231. The shape of the mask strip 212 after cutting matches the shape of the active area 250. The waste formed after the mask is cut is the part corresponding to the frame structure, and the part corresponding to the active area 250 maintains the adhesive layer covering the bottom film strip 211.

[0040] Furthermore, the frame production device 100 further includes a mask waste discharge mechanism 116 for collecting waste masks that need to be peeled off after cutting. For example, the waste masks are continuous strips, and a winding mechanism is used to wind up the waste.

[0041] In some embodiments of the present application, the outer frame unwinding unit 113 includes an outer frame unwinding mechanism 1131 and a protective film winding mechanism 1132. The outer frame unwinding mechanism 1131 is used to unwind the outer frame roll material tape 230. The outer frame roll material tape 230 includes a stacked outer frame material tape 231 and a protective film material tape 232. The protective film winding mechanism 1132 is used to wind up the protective film material tape 232.

[0042] Through this arrangement, the protective film tape 232 of the outer frame coil material tape 230 can be rolled up to provide the outer frame material tape 231 .

[0043] In some embodiments of the present application, the outer frame unwinding mechanism 1131 is located upstream of the laminating mechanism 114, the protective film rewinding mechanism 1132 is located downstream of the outer frame cutting mechanism 115, and the protective film strip 232 is rewound after the outer frame cutting is completed. With this arrangement, the outer frame strip 231 can be protected from being scratched during the outer frame cutting process, and when passing through the subsequent outer frame waste discharge mechanism 117, the protective film waste is discharged together with the outer frame waste.

[0044] In other embodiments, the outer frame unwinding mechanism 1131 and the protective film winding mechanism 1132 may also be located upstream of the laminating mechanism 114 , and only the outer frame material strip 231 enters the laminating mechanism 114 , while the protective film material strip 232 has been wound before entering the laminating mechanism 114 .

[0045] The outer frame cutting mechanism 115 is located downstream of the laminating mechanism 114. The outer frame cutting mechanism 115 includes an upper frame cutting mechanism 1151 and a lower frame cutting mechanism 1152. Depending on whether the upper frame or the lower frame needs to be processed, the corresponding cutting mechanism is used for cutting.

[0046] In some embodiments of the present application, the outer frame cutting mechanism 115 is only used to cut the opening corresponding to the active area 250 to facilitate subsequent bonding with the CCM.

[0047] In other embodiments, the outer frame cutting mechanism 115 half-cuts the outer frame material strip 231 of the second intermediate material strip 240 to form a first frame finished material strip 200, and the first frame finished material strip 200 includes a stacked bottom film material strip 211, a mask material strip 212 covering the active area, and an outer frame sheet with an active area opening.

[0048] That is to say, the outer frame cutting mechanism 115 can also perform a half-cutting process, that is, the frame material strip is cut into sheets on the basis of keeping the bottom film continuous, so as to facilitate the subsequent frame peeling and transfer.

[0049] In some embodiments of the present application, the frame production equipment 100 further includes an outer frame waste discharge mechanism 117 , which is located downstream of the outer frame cutting mechanism 115 and is used to discharge waste from the outer frame material strip 231 .

[0050] Through this arrangement, waste materials formed by cutting can be discharged.

[0051] As a preferred implementation form, the outer frame waste discharge mechanism 117 adopts a suction cup rotating waste discharge method to remove the waste from the outer frame material belt 231. Compared with the conventional tape winding waste discharge method, on the one hand, it can reduce the interference of tape winding on the tension of the main tape path, and on the other hand, it can reduce auxiliary materials and reduce the cost of equipment use.

[0052] In some embodiments of the present application, the frame production equipment 100 further includes a finished product winding mechanism 140 for winding the first frame finished product strip 200 .

[0053] Through this arrangement, the first frame finished material strip 200 can be rolled up for use in the next process.

[0054] The frame production equipment 100 also includes a tape connection platform, a deviation correction mechanism, a tension swing roller, a visual recognition mechanism and other devices to assist in quality control management and precision control, which will not be further elaborated here.

[0055] In actual production, depending on the specific structural requirements of the finished frame material strip, in the case where a second finished frame material strip 300 needs to be prepared, further inner frame heat compounding and inner frame cutting processes are required, and then the second finished frame material strip 300 is rolled up by the finished product winding mechanism 140.

[0056] In some embodiments of the present application, the frame production device 100 further includes an inner frame unwinding mechanism 121, a frame compounding mechanism 130, and an inner frame cutting mechanism 122. The inner frame unwinding mechanism 121 is used to unwind the inner frame material strip 310; the frame compounding mechanism 130 is used to receive the inner frame material strip 310 and the first frame finished material strip 200, and hot press and compound to form a third intermediate material strip 320; the inner frame cutting mechanism 122 is used to cut the inner frame material strip 310 of the third intermediate material strip 320 to form a second frame finished material strip 300, and the second frame finished material strip 300 includes a stacked bottom film material strip 211, a mask film material strip 212 covering the active area 250, an outer frame material strip 231 with an opening for the active area 250, and an inner frame material strip 310 with an opening for the active area 250.

[0057] With this arrangement, the inner frame material strip 310 and the first frame finished material strip 200 can be hot-pressed and composited, and then the inner frame material strip 310 can be cut to expose the active area 250 to form a second frame finished material strip 300 with a double-layer frame.

[0058] In some embodiments of the present application, the frame production equipment 100 further includes an inner frame waste discharge mechanism 123 , which is located downstream of the inner frame cutting mechanism 122 and is used to discharge waste from the inner frame material strip 310 .

[0059] The inner frame cutting mechanism 122 has the same structure as the outer frame cutting mechanism 115, and the inner frame waste discharge mechanism 123 has the same structure as the outer frame waste discharge mechanism 117, which will not be further described here. The cutting contour of the inner frame and the cutting contour of the outer frame may overlap or may not overlap, which is related to the specific product design requirements and will not be further described here.

[0060] This arrangement can eliminate waste of the inner frame material strip 310 produced after cutting.

[0061] Based on the preparation process of the second frame finished product strip 300 , the finished product winding mechanism 140 is located downstream of the inner frame waste discharge mechanism 123 and is used to wind up the second frame finished product strip 300 .

[0062] The frame composite mechanism 130 includes a main roller 131, a pressure roller 132 and a guide roller 133. The pressure roller 132 and the guide roller 133 are both arranged around the main roller 131. The guide roller 133 is used to guide the first frame finished material strip 200 into the main roller 131, and the inner frame material strip 310 enters between the main roller 131 and the pressure roller 132. The main roller 131

[0063] The working process of the frame production device 100 of the embodiment of the present application is as follows:

[0064] The bottom film unwinding mechanism 111 unwinds the bottom film coil material strip 210, and the bottom film coil material strip 210 passes through the mask cutting mechanism 112 to cut the mask material strip 212, and retains the portion covering the active area 250 to form a first intermediate material strip 220, and the waste of the frame structure is rolled up and discharged by the mask waste discharge mechanism 116;

[0065] The outer frame unwinding mechanism 1131 unwinds the outer frame coil material strip 230, and the outer frame coil material strip 230 and the first intermediate material strip 220 enter the laminating mechanism 114 to form the second intermediate material strip 240;

[0066] The second intermediate material strip 240 is cut by the outer frame cutting mechanism 115 to cut the outer frame material strip 231, retaining the frame structure part to form the first frame finished material strip 200 and the waste material corresponding to the shape of the active area 250, the protective film material strip 232 is rolled up by the protective film rolling mechanism 1132, and the waste material is picked up and discharged by the outer frame waste discharge mechanism 117 through the rotating suction cup;

[0067] If the first frame finished material strip 200 needs to be produced, the finished product winding mechanism 140 will wind it; if the second frame finished material strip 300 needs to be produced, the inner frame unwinding mechanism 121 will unwind the inner frame material strip 310, and the inner frame material strip 310 and the first frame finished material strip 200 will enter the frame composite mechanism 130 for hot pressing composite to form a third intermediate material strip 320;

[0068] The third intermediate material strip 320 passes through the inner frame cutting mechanism 122 and the inner frame waste discharge mechanism 123 in sequence to form a second frame finished material strip 300, which is then rolled up by the finished product rolling mechanism 140.

[0069] The frame production equipment 100 is used to prepare an upper frame finished material strip or a lower frame finished material strip. Some embodiments of the present application also propose a membrane electrode production equipment 400, which can be used as the next process of the frame production equipment 100 to prepare a membrane electrode using the first frame finished material strip 200 or the second frame finished material strip 300 as raw material.

[0070] It is understandable that the membrane electrode production equipment 400 and the frame production equipment 100 can also be used independently of each other, and are not dependent on the finished material strips prepared by the frame production equipment 100.

[0071] like Figure 2 and Figure 8 As shown, the membrane electrode production equipment 400 of the embodiment of the present application includes an upper frame unwinding module 410, a CCM cutting and transferring module 420, a first thermal composite module 430, a lower frame transfer module 440 and a second thermal composite module 450. The upper frame unwinding module 410 is used to provide an upper frame material strip 510, and the CCM cutting and transferring module 420 is used to provide a CCM cutting and transferring material strip 520. The CCM cutting and transferring material strip 520 includes a stacked CCM transfer film material strip 521 and a CCM sheet 522; the first thermal composite module 430 is used to receive the upper frame material strip 510 and the CCM cutting and transferring material strip 520, and to roll up the CCM transfer film material strip 521 after hot pressing and composite to form a first composite material strip 530. The first composite material strip 530 includes a stacked upper frame material strip 510 and CCM sheet material 522; the lower frame transfer module 440 is used to provide a lower frame transfer tape 540, and the lower frame transfer tape 540 includes a stacked lower frame transfer film tape 543 and a lower frame tape 542; the second thermal composite module 450 is used to receive the first composite tape 530 and the lower frame transfer tape 540, and hot-press and composite them to form a second composite tape 550, and the second composite tape 550 includes a stacked lower frame transfer film tape 543, a lower frame tape 542, a CCM sheet material 522 and an upper frame tape 510.

[0072] The second composite material strip 550 is a finished membrane electrode material strip. A single membrane electrode includes a stacked upper frame, CCM and lower frame. The second composite material strip 550 includes a continuous lower frame bottom film strip 541 to facilitate the formation of a roll. When the next finished product cutting process is performed, the lower frame bottom film strip 541 can be used as a bottom film during cutting to cut the upper frame material strip 510 to form a membrane electrode sheet.

[0073] The membrane electrode production equipment 400 of the embodiment of the present application is used to prepare the finished membrane electrode material strip, and the CCM and the lower frame are cut into sheets respectively. The upper frame material strip 510 and the CCM sheet material 522 are first hot-pressed and composited to form a first composite material strip 530, and then the lower frame material strip 542 and the first composite material strip 530 are hot-pressed and composited to form a second composite material strip 550, which is rolled up for the next process. Since the CCM cutting process is included, the upper frame and the lower frame are both prefabricated material strips. The entire equipment needs to load the upper frame material strip 510, the CCM coil material strip 523, the lower frame coil material strip 544, the CCM transfer film material strip 521 and the lower frame transfer film material strip 543. After a series of processing, the second composite material strip 550 is output. Each material strip is controlled in sections, with a high finished product qualification rate and quality control accuracy.

[0074] The specific structure of the membrane electrode production equipment 400 is described in detail below.

[0075] like Figure 3 As shown, the upper frame unwinding module 410 includes an upper frame unwinding mechanism 411, an upper frame visual positioning mechanism 412, a correction mechanism and a tape splicing platform. The upper frame unwinding mechanism 411 unwinds the upper frame material tape 510, which passes through the correction mechanism, the tape splicing platform and the upper frame visual positioning mechanism 412 in sequence and then enters the first thermal composite module 430. The upper frame visual positioning mechanism 412 visually identifies the size characteristics of the upper frame sheet material, and performs quality inspection and conveying speed monitoring.

[0076] The CCM cutting transfer module 420 is used to provide a CCM cutting transfer tape 520 to the first thermal composite module 430 .

[0077] like Figure 4 As shown, in some embodiments of the present application, the CCM cutting and transfer module 420 includes a CCM unwinding mechanism 421, a CCM cutting mechanism 423, a CCM bottom film peeling and winding mechanism 424, a CCM transfer film unwinding mechanism 425 and a CCM insert laminating mechanism 426. The CCM unwinding mechanism 421 is used for unwinding the CCM coil material tape 523, which includes a CCM bottom film tape 525 and a CCM tape 526 that are stacked; the CCM cutting mechanism 423 is used for half-cutting the CCM coil material tape 523 to form a CCM half-cut tape 524, which includes a CCM bottom film tape 525 and a CCM sheet 522 that are stacked; the CCM bottom film peeling and winding mechanism 424 is used for peeling the CCM half-cut tape 524, winding the CCM bottom film tape 525, and outputting the CCM sheet 522; the CCM transfer film unwinding mechanism 425 is used for unwinding the CCM transfer film tape 521; the CCM insert laminating mechanism 426 is used for receiving the CCM sheet 522 and laminating it with the CCM transfer film tape 521 to form a CCM cut transfer tape 520.

[0078] The CCM bottom film peeling and winding mechanism 424 includes a CCM peeling mechanism 4241, an asynchronous conveyor belt 4242, a CCM defective product rejection mechanism 4243 and a CCM bottom film winding mechanism 4244. The CCM half-cut material belt 524 is peeled off by the CCM peeling mechanism 4241 to form a CCM sheet 522 and falls onto the asynchronous conveyor belt 4242. The CCM bottom film winding mechanism 4244 winds up the CCM bottom film material belt 525. The CCM defective product rejection mechanism 4243 is located on the upper side of the asynchronous conveyor belt 4242, and is used to perform visual inspection on the CCM sheet 522, identify defective products and reject them, and the qualified CCM sheet 522 is bonded to the CCM transfer film material belt 521 through the CCM insert bonding mechanism 426.

[0079] Specifically, the CCM insert laminating mechanism 426 includes an insert mechanism and a laminating mechanism. The CCM transfer film tape 521 unwound by the CCM transfer film unwinding mechanism 425 enters the laminating mechanism and is laminated with the CCM sheet material 522 provided by the insert mechanism.

[0080] Through this arrangement, the CCM pre-cutting process can be completed and transferred to the transfer film so as to be sent to the first thermal composite module 430 in the next step.

[0081] In other embodiments, the pre-cut CCM coil material may also be unrolled directly.

[0082] The CCM cutting and transfer module 420 also includes a CCM visual positioning mechanism 427 for visually inspecting the CCM sheet 522 before entering the first thermal composite module 430 , so as to accurately adjust the feeding speed and improve the fitting accuracy between the CCM sheet 522 and the upper frame material belt 510 .

[0083] like Figure 5 As shown, in some embodiments of the present application, the first thermal composite module 430 includes a first hot roller 431, a first pressure roller 432, a first guide roller 433 and a CCM transfer film winding mechanism 434, the first guide roller 433 is used to guide the upper frame material strip 510 to fit with the first hot roller 431, the upper frame material strip 510 and the CCM cutting transfer material strip 520 are configured to pass through the gap between the first hot roller 431 and the first pressure roller 432, and the CCM transfer film winding mechanism 434 is used to wind up the CCM transfer film material strip 521.

[0084] Specifically, the CCM transfer film winding mechanism 434 is located downstream of the first hot roller 431 and the first pressing roller 432 , and the CCM transfer film strip 521 participates in the hot pressing composite process.

[0085] Through this arrangement, a first composite material strip 530 can be formed, which is convenient for subsequent secondary hot pressing composite with the lower frame transfer material strip 540.

[0086] The first thermal composite module 430 further includes a first finished product visual positioning mechanism 435 for visually identifying the size characteristics of the first composite material strip 530 and performing quality inspection and conveying speed monitoring.

[0087] like Figure 8 As shown, further, the CCM coil material strip 523 includes a stacked bottom CCM supporting film strip 5251, a surface CCM supporting film strip 5252 and a CCM strip 526, and the CCM cutting mechanism 423 is used to half-cut the CCM coil material strip 523 to form a CCM half-cut strip 524, and the CCM half-cut strip 524 includes a stacked bottom CCM supporting film strip 5251, a surface CCM supporting film sheet material 5253 and a CCM sheet material 522; wherein the surface CCM supporting film sheet material 5253 follows the CCM transfer film strip 521 and is rolled up by the CCM transfer film rolling mechanism 434.

[0088] The inserting mechanism clamps the CCM sheet material 522 with the surface CCM bottom film sheet material 5253, corrects the deviation after visual positioning, and inserts the sheet onto the CCM transfer film tape 521. After hot pressing and laminating, the tape is moved to a certain length, and the tape temperature is relatively reduced. Then, the CCM transfer film tape 521 is peeled off together with the surface CCM bottom film sheet material 5253, and the corresponding sensor is used to detect whether the surface CCM bottom film sheet material 5253 is peeled off successfully.

[0089] This arrangement can reduce the risk of failure in peeling off the CCM bottom film.

[0090] like Figure 6 As shown, in some embodiments of the present application, the lower frame transfer module 440 includes a lower frame unwinding mechanism 441, a lower frame bottom film rewinding mechanism 443, a lower frame transfer film unwinding mechanism 444, and a lower frame bonding mechanism 445. The lower frame unwinding mechanism 441 is used to unwind the lower frame coil material strip 544, and the lower frame coil material strip 544 includes a stacked lower frame bottom film strip 541 and a lower frame strip 542; the lower frame bottom film rewinding mechanism 443 is used to rewind the lower frame bottom film strip 541 and output the lower frame strip 542; the lower frame transfer film unwinding mechanism 444 is used to unwind the lower frame transfer film strip 543; the lower frame bonding mechanism 445 is used to receive the lower frame strip 542 and the lower frame transfer film strip 543 to form the lower frame transfer strip 540.

[0091] With this arrangement, after the lower frame material strip 542 is peeled off from the lower frame bottom film material strip 541 , it is bonded to the lower frame transfer film material strip 543 through the lower frame bonding mechanism 445 to form a lower frame transfer material strip 540 .

[0092] In some embodiments of the present application, the lower frame transfer module 440 includes a lower frame bottom film peeling mechanism 442, which is used to peel off the lower frame roll material tape 544, output the lower frame material tape 542, and remove waste from the lower frame material tape 542.

[0093] Specifically, the lower frame bottom film peeling mechanism 442 has a reciprocating peeling knife and a visual positioning mechanism, which identifies whether the quality of the lower frame is qualified with the assistance of the visual positioning mechanism. The peeling knife has a waste rejection position and a peeling and bonding position. The defective products are moved to the waste rejection position for peeling, and the waste falls into the collection box. The qualified material strip enters the lower frame bonding mechanism 445 and is bonded with the lower frame transfer film material strip 543.

[0094] Through this arrangement, waste materials can be removed after peeling off the lower frame roll material tape 544 , thereby improving the quality of the lower frame transfer material tape 540 .

[0095] In other embodiments, the lower frame transfer module 440 may also include a cutting mechanism to pre-cut the lower frame; or, the lower frame roll material strip 544 may be a half-cut material strip.

[0096] The lower frame transfer module 440 also includes a lower frame visual positioning mechanism 446 for visually detecting the lower frame transfer tape 540 before entering the second thermal composite module 450, so as to accurately adjust the feeding speed and improve the fitting accuracy between the lower frame transfer tape 540 and the first composite tape 530.

[0097] like Figure 6 As shown, in some embodiments of the present application, the second thermal composite module 450 includes a pair of second hot rollers 451, and the lower frame transfer tape 540 and the first composite tape 530 pass through the gap between the pair of second hot rollers 451 to form the second composite tape 550 through hot pressing and composite.

[0098] The second thermal composite module 450 further includes a second finished product visual positioning mechanism 452 for visually identifying the size characteristics of the second composite material strip 550 and performing quality inspection and conveying speed monitoring.

[0099] like Figure 6 As shown, in some embodiments of the present application, the membrane electrode production equipment 400 further includes a membrane electrode winding mechanism 460 for winding the second composite material strip 550 .

[0100] With this arrangement, the finished membrane electrode strip can be rolled up so that it can be unrolled for use in the next process.

[0101] The membrane electrode production equipment 400 also includes a final visual recognition mechanism for detecting fit alignment, bubbles and wrinkle defects. The second composite material tape 550 is gradually cooled during the tape running process, and is rolled up and unloaded after deviation correction. A cutting process can also be set to unload the material in the form of sheets.

[0102] The working process of the membrane electrode production equipment 400 of the embodiment of the present application is as follows;

[0103] The upper frame unwinding mechanism 411 unwinds the upper frame material strip 510;

[0104] The CCM unwinding mechanism 421 unwinds the CCM coil material strip 523, which is cut into a CCM half-cut material strip 524 after passing through the CCM traction mechanism 422 and the CCM cutting mechanism 423;

[0105] The CCM half-cut material strip 524 is peeled off by the CCM bottom film peeling and winding mechanism 424 to form a CCM sheet 522;

[0106] The CCM transfer film unwinding mechanism 425 unwinds the CCM transfer film tape 521, and the CCM inserting and laminating mechanism 426 inserts the CCM sheet 522 into the CCM transfer film tape 521 to form a CCM cutting transfer tape 520;

[0107] After the upper frame material strip 510 and the CCM cutting transfer material strip 520 enter the first thermal lamination module 430 for hot pressing lamination, the CCM transfer film rolling mechanism 434 rolls up the CCM transfer film material strip 521 to form a first composite material strip 530;

[0108] The lower frame unwinding mechanism 441 unwinds the lower frame coil material strip 544, which is peeled off by the lower frame bottom film peeling mechanism 442 to form the lower frame material strip 542, and the lower frame bottom film rewinding mechanism 443 rewinds the lower frame bottom film material strip 541. The lower frame bottom film peeling mechanism 442 removes waste materials from the lower frame material strip 542 during the peeling process, and the qualified material strip enters the lower frame laminating mechanism 445;

[0109] The lower frame transfer film unwinding mechanism 444 unwinds the lower frame transfer film material strip 543, and the lower frame transfer film material strip 543 and the lower frame material strip 542 pass through the lower frame laminating mechanism 445 to form a lower frame transfer material strip 540;

[0110] The first composite material strip 530 and the lower frame transfer material strip 540 enter the second thermal composite module 450 for hot pressing and composite, thereby forming a second composite material strip 550 , which is then rolled up by the membrane electrode rolling mechanism 460 .

[0111] Since the CCM cutting process is included, the upper frame and the lower frame are both made of prefabricated material strips. The entire equipment needs to be loaded with the upper frame material strip 510, the CCM coil material strip 523, the lower frame coil material strip 544, the CCM transfer film material strip 521 and the lower frame transfer film material strip 543. After a series of processing, the second composite material strip 550 is output. Each material strip is controlled in sections, with a high finished product qualification rate and quality control accuracy.

[0112] It should be noted that, in the absence of conflict, the features in the embodiments of this application may be combined with each other.

[0113] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A frame production device (100), characterized in that: include: A bottom film unwinding mechanism (111) is used for unwinding a bottom film roll material strip (210), wherein the bottom film roll material strip (210) comprises a bottom film strip (211) and a mask film strip (212) which are stacked; A mask cutting mechanism (112) is used to cut the mask material strip (212) of the base film coil material strip (210) to form a first intermediate material strip (220), wherein the first intermediate material strip (220) comprises a base film material strip (211) and a mask material strip (212) covering the active area that are stacked; An outer frame unwinding unit (113), used for providing an outer frame material strip (231); A laminating mechanism (114) for receiving the outer frame material strip (231) and the first intermediate material strip (220) to form a second intermediate material strip (240); The outer frame cutting mechanism (115) is used to cut the outer frame material strip (231) of the second intermediate material strip (240) to form a first frame finished material strip (200), wherein the first frame finished material strip (200) comprises a stacked bottom film material strip (211), a mask film material strip (212) covering the active area, and an outer frame material strip (231) with an opening for the active area.

2. The frame production device (100) according to claim 1, characterized in that: Also includes: The outer frame waste discharge mechanism (116) is located downstream of the outer frame cutting mechanism (115) and is used to discharge waste from the outer frame material strip (231).

3. The frame production device (100) according to claim 1, characterized in that: Also includes: An inner frame unwinding mechanism (121) for unwinding the inner frame material strip (310); A frame composite mechanism (130) is used to receive the inner frame material strip (310) and the first frame finished material strip (200), and to composite them by hot pressing to form a third intermediate material strip (320); The inner frame cutting mechanism (122) is used to cut the inner frame material strip (310) of the third intermediate material strip (320) to form a second frame finished material strip (300), wherein the second frame finished material strip (300) comprises a stacked bottom film material strip (211), a mask film material strip (212) covering the active area, an outer frame material strip (231) with an active area opening, and an inner frame material strip (310) with an active area opening.

4. The frame production device (100) according to claim 3, characterized in that: Also includes: The inner frame waste discharge mechanism (123) is located downstream of the inner frame cutting mechanism (122) and is used to discharge waste from the inner frame material strip (310).

5. The frame production device (100) according to claim 3, characterized in that: Also includes: The finished product rolling mechanism (140) is used for rolling up the second frame finished product strip (300).

6. The frame production device (100) according to claim 1, characterized in that: The outer frame unwinding unit (113) comprises: An outer frame unwinding mechanism (1131) is used to unwind an outer frame coil material strip (230), wherein the outer frame coil material strip (230) comprises an outer frame material strip (231) and a protective film material strip (232) which are stacked; The protective film winding mechanism (1132) is used for winding the protective film strip (232).

7. The frame production device (100) according to claim 1, characterized in that: The outer frame cutting mechanism (115) performs half-cutting on the outer frame material strip (231) of the second intermediate material strip (240) to form a first frame finished material strip (200), wherein the first frame finished material strip (200) comprises a stacked bottom film material strip (211), a mask film material strip (212) covering the active area, and an outer frame sheet with an opening for the active area.

8. A membrane electrode production device (400), characterized in that: include: An upper frame unwinding module (410), used for providing an upper frame material strip (510); A CCM cutting and transfer module (420) is used to provide a CCM cutting and transfer tape (520), wherein the CCM cutting and transfer tape (520) comprises a CCM transfer film tape (521) and a CCM sheet (522) which are stacked; A first thermal composite module (430) is used to receive the upper frame material strip (510) and the CCM cutting transfer material strip (520), and to roll up the CCM transfer film material strip (521) after thermal compression composite to form a first composite material strip (530), wherein the first composite material strip (530) includes the upper frame material strip (510) and the CCM sheet material (522) stacked in layers; A lower frame transfer module (440) is used to provide a lower frame transfer material strip (540), wherein the lower frame transfer material strip (540) comprises a lower frame transfer film material strip (543) and a lower frame material strip (542) which are stacked; The second thermal composite module (450) is used to receive the first composite material strip (530) and the lower frame transfer material strip (540), and to form a second composite material strip (550) by thermal pressing. The second composite material strip (550) includes a stacked lower frame transfer film material strip (543), a lower frame material strip (543), a CCM sheet (522), and an upper frame material strip (510).

9. The membrane electrode production equipment (400) according to claim 8, characterized in that: The CCM cutting and transfer module (420) comprises: A CCM unwinding mechanism (421) for unwinding a CCM coil material strip (523), wherein the CCM coil material strip (523) comprises a CCM bottom film strip (525) and a CCM strip (526) which are stacked; A CCM cutting mechanism (423) is used to half-cut the CCM coil material strip (523) to form a CCM half-cut material strip (524), wherein the CCM half-cut material strip (524) comprises a CCM bottom film material strip (525) and a CCM sheet material (522) which are stacked; A CCM bottom film stripping and winding mechanism (424) is used to strip the CCM half-cut material strip (524), wind up the CCM bottom film material strip (525), and output the CCM sheet material (522); A CCM transfer film unwinding mechanism (425) for unwinding a CCM transfer film strip (521); The CCM insert laminating mechanism (426) is used to receive the CCM sheet material (522) and laminarize it with the CCM transfer film tape (521) to form a CCM cutting transfer tape (520).

10. The membrane electrode production equipment (400) according to claim 8, characterized in that: The lower frame transfer module (440) comprises: A lower frame unwinding mechanism (441) is used to unwind a lower frame coil material strip (544), wherein the lower frame coil material strip (544) comprises a lower frame bottom film strip (541) and a lower frame strip (542) which are stacked; A lower frame bottom supporting film rewinding mechanism (443) for rewinding the lower frame bottom supporting film strip (541); A lower frame transfer film unwinding mechanism (444) for unwinding a lower frame transfer film strip (543); The lower frame bonding mechanism (445) is used to receive the lower frame material strip (542) and the lower frame transfer film material strip (543) to form a lower frame transfer material strip (540).

11. The membrane electrode production equipment (400) according to claim 10, characterized in that: The lower frame transfer module (440) further includes: The lower frame bottom film peeling mechanism (442) is used to peel off the lower frame coil material strip (544), output the lower frame material strip (542), and remove waste from the lower frame material strip (542).

12. The membrane electrode production equipment (400) according to claim 8, characterized in that: The first thermal composite module (430) comprises: A first hot roller (431) and a first pressing roller (432), wherein the upper frame material belt (510) and the CCM cutting transfer material belt (520) are configured to pass between the first hot roller (431) and the first pressing roller (432); A first guide roller (433) is used to guide the upper frame material strip (510) to fit with the first hot roller (431); The CCM transfer film winding mechanism (434) is used to wind up the CCM transfer film material strip (543).

13. The membrane electrode production equipment (400) according to claim 12, characterized in that: The CCM coil material strip (523) includes a stacked bottom CCM supporting film strip (5251), a surface CCM supporting film strip (5252) and a CCM strip (526); the CCM cutting mechanism (423) is used to half-cut the CCM coil material strip (523) to form a CCM half-cut strip (524); the CCM half-cut strip (524) includes a stacked bottom CCM supporting film strip (5251), a surface CCM supporting film sheet (5253) and a CCM sheet (522); the surface CCM supporting film sheet (5253) follows the CCM transfer film strip (543) and is rolled up by the CCM transfer film rolling mechanism (434).

14. The membrane electrode production equipment (400) according to claim 8, characterized in that: Also includes: The membrane electrode winding mechanism (460) is used for winding the second composite material strip (550).

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