CN117863674B - Waterproof breathable composite film and preparation method thereof - Google Patents
Waterproof breathable composite film and preparation method thereof Download PDFInfo
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- CN117863674B CN117863674B CN202410215092.9A CN202410215092A CN117863674B CN 117863674 B CN117863674 B CN 117863674B CN 202410215092 A CN202410215092 A CN 202410215092A CN 117863674 B CN117863674 B CN 117863674B
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- 239000002131 composite material Substances 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 117
- 239000003365 glass fiber Substances 0.000 claims abstract description 51
- 239000002344 surface layer Substances 0.000 claims abstract description 41
- 239000012790 adhesive layer Substances 0.000 claims abstract description 21
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 12
- 238000013329 compounding Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 61
- 239000003292 glue Substances 0.000 claims description 46
- 238000003825 pressing Methods 0.000 claims description 45
- 239000000853 adhesive Substances 0.000 claims description 35
- 230000001070 adhesive effect Effects 0.000 claims description 35
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 22
- 238000007731 hot pressing Methods 0.000 claims description 18
- 238000004026 adhesive bonding Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 14
- 229960000892 attapulgite Drugs 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910052625 palygorskite Inorganic materials 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000012982 microporous membrane Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention belongs to the technical field of waterproof and breathable composite films, and particularly relates to a waterproof and breathable composite film and a preparation method thereof, wherein the waterproof and breathable composite film comprises a bottom layer, a middle layer and a surface layer, the bottom layer is composed of a microporous film and a microporous glass fiber layer, the middle layer is a waterproof and breathable film, the surface layer is composed of a microporous glass fiber layer and a non-woven fabric layer, and the outer wall of the middle layer is in composite connection with the two microporous glass fiber layers through a microporous adhesive layer; the invention can not only improve the strength of the waterproof and breathable composite film after compounding, but also can not cause the waterproof and breathable performance of the waterproof and breathable composite film to be reduced; according to the preparation method disclosed by the invention, the micropore puncture treatment can be carried out on the glass fiber layer, so that the perforated micropore glass fiber layer can be adhered and compounded on the surface of the waterproof breathable film through the uniformly coated micropore adhesive layer, and the waterproof breathable composite film with high strength and good waterproof and breathable properties can be rapidly prepared.
Description
Technical Field
The invention belongs to the technical field of waterproof and breathable composite films, and particularly relates to a waterproof and breathable composite film and a preparation method thereof.
Background
The waterproof breathable film has waterproof, breathable and moisture permeability and is mainly applied to different fields such as clothing fabrics, automobile parts, outdoor lighting lamps, communication equipment, pesticide chemical packaging, plant protection tissue culture, connectors, new energy and the like.
Since the existing waterproof and breathable films are low in strength, weather resistance and wear resistance, the waterproof and breathable composite films need to be designed to replace a single waterproof and breathable film, and in order to improve the strength of waterproof and breathable composite films, most of the existing waterproof and breathable films are prepared by adding a composite layer material with increased strength, but the waterproof and breathable properties of the waterproof and breathable films are affected due to the fact that the added composite layer material or the composite layer material bonded through an adhesive can affect the waterproof and breathability of the waterproof and breathable films, and the overall waterproof and breathability of the waterproof and breathable composite films are easily reduced, so that the service environment of the waterproof and breathable composite films is affected.
Disclosure of Invention
In order to solve the technical problems, the invention is realized by the following technical scheme:
The invention relates to a waterproof and breathable composite membrane which comprises a bottom layer, a middle layer and a surface layer, wherein the bottom layer consists of a microporous membrane and a microporous glass fiber layer, the middle layer is a waterproof and breathable membrane, the surface layer consists of a microporous glass fiber layer and a non-woven fabric layer, and the outer wall of the middle layer is in composite connection with the two microporous glass fiber layers through a microporous adhesive layer.
Further, the microporous adhesive layer is formed by uniformly coating the mixture of an adhesive, a dispersing agent and attapulgite on the surface of the middle layer.
The preparation method of the waterproof breathable composite film comprises the following steps:
S1: respectively preparing a microporous membrane, a glass fiber layer, a waterproof breathable membrane and a non-woven fabric, and winding the prepared materials;
S2: in the preparation process of the adhesive, putting the dispersing agent and the attapulgite into a mixing tank for mixing to prepare a microporous adhesive, and then introducing the microporous adhesive into a composite film pressing device for gluing to form a microporous adhesive layer;
s3: compounding the microporous membrane prepared in the step S1 with a glass fiber layer to prepare a bottom layer, and then rolling the prepared bottom layer;
S4: compounding the non-woven fabric prepared in the step S1 with a glass fiber layer to prepare a surface layer, and then rolling the prepared surface layer;
S5: respectively placing the waterproof breathable film rolled in the step S1, the bottom layer rolled in the step S3 and the surface layer rolled in the step S4 on corresponding supporting and releasing mechanisms on the composite film pressing equipment in sequence;
S6: uniformly coating the microporous adhesive on the upper and lower surfaces of the released waterproof breathable film through a gluing perforation mechanism in the composite film pressing equipment, synchronously puncturing the glass fiber layer by the gluing perforation mechanism to enable the glass fiber layer to form micropores, and then pressing and attaching the rolled bottom layer and the rolled surface layer to the waterproof breathable film through the pressing mechanism to obtain a semi-finished product; in the design of the present invention,
S7: and (3) carrying out edge hot-pressing treatment on the semi-finished product obtained in the step (S6) to obtain a finished product composite film, and rolling the obtained composite film.
Further, in the step S6, the composite film pressing device includes a frame, a supporting and releasing mechanism, a gluing perforation mechanism, a pressing mechanism and a wind-up roll, the supporting and releasing mechanism is installed at the left end of the frame, the supporting and releasing mechanism is used for supporting and releasing the rolled waterproof breathable film, bottom and surface layer, the right side of the supporting and releasing mechanism is provided with the gluing perforation mechanism, the gluing perforation mechanism is used for uniformly smearing the microporous adhesive on the upper surface and the lower surface of the released waterproof breathable film, and simultaneously performs puncture treatment on the released glass fiber layer, the pressing mechanism is used for laminating the released surface layer and the bottom layer on the surface of the waterproof breathable film uniformly smeared with the microporous adhesive, and the wind-up roll is used for rolling the finished composite film after the hot-pressing treatment.
Further, support and emit the mechanism and include support pole setting, dwang, put reel, support cover, connecting axle and connection jack-up subassembly, support the vertical symmetry of pole setting and fix on the bottom plate of frame, and support the vertical installation cavity of having seted up in the pole setting, the symmetry three dwang is installed to the equidistance between the support pole setting, and all fixed the cup joint on the three dwang and put the reel, from the top down equidistant three put the reel and twine respectively top layer, waterproof ventilated membrane and bottom, every equal distance is fixed with three support cover in the installation cavity of support pole setting, and all rotate in the three support cover and install the connecting axle, three the outer tip of connecting axle passes through belt drive to be connected, can dismantle through connection jack-up subassembly between two connecting axles of symmetry and the dwang.
Further, the jack-up subassembly that connects includes square piece, top cylinder, top piece, connecting strip and slope support bar, a plurality of the square piece is fixed respectively at the both ends face of a plurality of dwang, the notch that aligns has been seted up to the top outer lane face of supporting the cover, square draw-in groove has been seted up to the top outer lane face of connecting axle, and square draw-in groove runs through the inner end face of connecting axle, two the medial surface bottom vertical fixation of supporting the pole setting has top cylinder, and top cylinder's piston rod up end is fixed with top piece, is located two top pieces that support pole setting inboard is upper and lower adjacent are connected through vertical connecting strip between, the left side chamber wall equidistance of installation chamber has run through three breach groove of slope, and three breach groove is located three supporting sleeve top respectively, the notch C type draw-in groove that has seted up the notch left on the top piece, and C type draw-in groove rotates the block to the dwang, the notch that the notch in notch groove is greater than the notch groove, the slope is fixed with L type on the lateral wall below the notch side of supporting the pole setting, two slope support bar that support pole setting up the slope of notch side of notch groove, two slope support bar that support pole setting up the slope support bar that the slope of notch side of notch groove is located the same, top support bar is used for the slope, and the top support bar that the slope is located on the top of the top piece is followed.
Further, the release subassembly is including promoting post, connecting plate, release cylinder, circular telegram magnetic path and absorption iron plate, the right side wall equidistance slip grafting of installation cavity has three to promote the post, and three promotes the post and three slope breach groove aligns, three promote the outer terminal surface of post and same vertical connection that obtains the connecting plate, and the upper and lower lateral surface of connecting plate is fixed with release cylinder, two the piston rod of release cylinder is connected with the right flank that supports the pole setting, the right flank of square piece is fixed with circular telegram magnetic path, the inner tip of promotion post is fixed with absorption iron plate, and absorption iron plate and circular telegram magnetic path slip laminating contact.
Further, the rubber coating perforation mechanism includes fixed extension board, pivot tube, sleeve pipe, injecting tube and spouts gluey puncture needle, fixed extension board vertical symmetry is fixed on the bottom, and the fixed extension board of symmetry is located the support pole setting right side of symmetry, symmetry rotate between the fixed extension board and install two pivot tubes, and two pivot tubes are located the upper and lower surface of waterproof ventilated membrane respectively, every the sleeve pipe has all been fixed to cup joint on the pivot tube, two sleeve pipe outer lane face is less than the distance to waterproof ventilated membrane to bottom and top layer, two the intraductal rotation grafting of pivot has injecting tube, and the one end mouth of pipe of injecting tube is the closure state, and the other end mouth of pipe and the injecting tube intercommunication that sets up in the frame, the outer lane face of sleeve pipe is along its length direction circumference array installation a plurality of tubulose spouts gluey puncture needle, the circle face that injecting tube and waterproof ventilated membrane correspond has seted up along its length direction spouts gluey slotted hole and is located a plurality of tubulose gluey puncture needles on the same axis and rotates to be aligned, a plurality of tubulose gluey puncture hole tip and spout circumference array are seted up.
Further, the pressing mechanism comprises fixing support rods, a hot pressing box and pressing rollers, at least four fixing support rods are vertically fixed on the bottom plate, the hot pressing box is fixedly supported on the upper surfaces of the four fixing support rods, and at least two groups of pressing rollers are symmetrically arranged in the hot pressing box from top to bottom.
The invention has the following beneficial effects:
1. According to the waterproof breathable film, the microporous glass fiber layer is added on the surface of the waterproof breathable film and is in composite connection through the microporous adhesive layer, and because glass fibers are high in temperature resistance, incombustible, corrosion resistance, good in heat insulation and sound insulation, high in tensile strength and good in electrical insulation compared with organic fibers, the strength of the waterproof breathable composite film can be increased on the microporous glass fiber layer on the surface of the waterproof breathable film, so that the waterproof breathable composite film can be suitable for a complex environment, micropores are formed on the surface of the glass fiber layer, and meanwhile, the microporous glass fiber layer is compounded on the waterproof breathable film through the microporous adhesive layer, so that the strength of the waterproof breathable composite film after compounding is improved, and meanwhile, the waterproof breathable performance of the waterproof breathable composite film is not reduced.
2. According to the preparation method disclosed by the invention, the micropore adhesive used by the micropore adhesive layer can be prepared, and meanwhile, the prepared micropore adhesive can be uniformly coated on the surface of the waterproof breathable film discharged by the supporting and discharging mechanism through the composite film pressing equipment, so that the micropore adhesive layer can be uniformly formed on the surface of the waterproof breathable film.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a composite membrane of the present disclosure;
FIG. 2 is a block diagram of a composite film pressing apparatus of the present disclosure;
FIG. 3 is a block diagram of a support payout mechanism of the present disclosure;
FIG. 4 is a cross-sectional view of a support pole of the present disclosure;
FIG. 5 is a block diagram of a glue dispensing perforation mechanism of the present disclosure;
FIG. 6 is a cross-sectional view of a ferrule of the present disclosure;
FIG. 7 is a block diagram of a press mechanism of the present disclosure;
FIG. 8 is a flow chart of the disclosed preparation method.
In the figure: 1. a bottom layer; 101. a microporous membrane; 102. a microporous glass fiber layer; 2. a middle layer; 201. a waterproof breathable film; 3. a surface layer; 301. a non-woven fabric layer; 302. a microporous adhesive layer; 4. a frame; 5. supporting the discharging mechanism; 51. supporting the upright rod; 511. a mounting cavity; 512. a notch groove; 52. a rotating lever; 53. releasing the winding drum; 54. a support sleeve; 541. aligning the notches; 55. a connecting shaft; 551. square clamping groove; 6. connecting a jacking component; 61. square blocks; 62. pushing cylinder; 63. pushing blocks; 631. a C-shaped clamping groove; 64. a connecting strip; 65. tilting the support bar; 7. a push-out assembly; 71. pushing the column; 72. a connecting plate; 73. a push-out cylinder; 74. the electromagnetic block is communicated; 75. adsorbing an iron block; 8. a gluing perforation mechanism; 81. fixing the support plate; 82. a rotary shaft tube; 83. a ferrule; 84. a rubber injection pipe; 841. a glue spraying slot; 85. spraying glue and threading needles; 851. a glue spraying hole; 9. a pressing mechanism; 91. fixing the support rod; 92. a hot pressing box; 93. a pressing roller; 10. and (5) a wind-up roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention is a waterproof and breathable composite film, comprising a bottom layer 1, a middle layer 2 and a surface layer 3, wherein the bottom layer 1 is composed of a microporous film 101 and a microporous glass fiber layer 102, the middle layer 2 is a waterproof and breathable film 201, the surface layer 3 is composed of a microporous glass fiber layer 102 and a non-woven fabric layer 301, and the outer wall of the middle layer 2 is in composite connection with the two microporous glass fiber layers 102 through a microporous adhesive layer 302; in the design scheme of the invention, the microporous glass fiber layer 102 is added on the surface of the waterproof and breathable film 201, and the microporous glass fiber layer 302 is in composite connection, so that the waterproof and breathable film has high heat resistance, high incombustibility, high corrosion resistance, good heat insulation, high sound insulation and high tensile strength and good electrical insulation property compared with organic fibers, and therefore, the strength of the waterproof and breathable composite film can be increased on the microporous glass fiber layer 102 on the surface of the waterproof and breathable film 201, so that the waterproof and breathable composite film can be suitable for a relatively complex environment, micropores are formed on the surface of the glass fiber layer, and meanwhile, the microporous glass fiber layer 102 is composited on the waterproof and breathable film 201 through the microporous adhesive layer 302, so that the strength of the composited waterproof and breathable composite film is improved, and the waterproof and breathable performance of the waterproof and breathable composite film is not reduced.
As an embodiment of the present invention, the microporous adhesive layer 302 is formed by uniformly coating the adhesive, the dispersant and the attapulgite on the surface of the middle layer 2 after being mixed; in the scheme of the invention, the dispersing agent and the attapulgite are added into the adhesive, and the attapulgite has great specific surface area and adsorption capacity and ideal colloid performance and heat resistance, so that the attapulgite can be uniformly diffused into the adhesive through the dispersing agent, and meanwhile, the attapulgite can be better mixed with the adhesive by utilizing the colloid performance of the attapulgite, and layering phenomenon can not occur, so that the mixed adhesive has better air permeability and water resistance, and then the mixed adhesive is uniformly coated on the surface of the waterproof breathable film 201 by a preparation method, so that a microporous adhesive layer 302 is formed on the surface of the waterproof breathable film 201 to bond and compound the surface layer 3 and the bottom layer 1.
The preparation method of the waterproof breathable composite film comprises the following steps:
s1: respectively preparing a microporous membrane 101, a glass fiber layer, a waterproof breathable membrane 201 and a non-woven fabric, and rolling the prepared various materials;
s2: in the adhesive preparation process, putting a dispersing agent and attapulgite into a mixing tank for mixing to prepare a microporous adhesive, and then introducing the microporous adhesive into a composite film pressing device for gluing to form a microporous adhesive layer 302;
s3: compounding the microporous membrane 101 prepared in the step S1 with a glass fiber layer to prepare a bottom layer 1, and then rolling the prepared bottom layer 1;
S4: compounding the non-woven fabric prepared in the step S1 with a glass fiber layer to prepare a surface layer 3, and then rolling the prepared surface layer 3;
s5: respectively placing the waterproof breathable film 201 rolled in the step S1, the bottom layer 1 rolled in the step S3 and the surface layer 3 rolled in the step S4 on a corresponding supporting and releasing mechanism 5 on the composite film pressing equipment in sequence;
S6: uniformly smearing microporous adhesive on the upper surface and the lower surface of the released waterproof breathable film 201 through a gluing perforation mechanism 8 in the composite film pressing equipment, enabling the glass fiber layer to be perforated synchronously through the gluing perforation mechanism 8, and then pressing and attaching the rolled bottom layer 1 and the rolled surface layer 3 to the waterproof breathable film 201 through a pressing mechanism 9 to obtain a semi-finished product; in the design of the present invention,
S7: performing edge hot-pressing treatment on the semi-finished product obtained in the step S6 to obtain a finished product composite film, and rolling the obtained composite film; in the scheme of the invention, the preparation method can not only prepare the micropore adhesive used by the micropore adhesive layer 302, but also uniformly coat the prepared micropore adhesive on the surface of the waterproof breathable film 201 discharged by the supporting and discharging mechanism 5 through the composite film pressing equipment, so that the micropore adhesive can uniformly form the micropore adhesive layer 302 on the surface of the waterproof breathable film 201, and simultaneously, the preparation method can also carry out micropore puncture treatment on the glass fiber layer, so that the perforated micropore glass fiber layer 102 can be adhered and compounded on the surface of the waterproof breathable film 201 through the uniformly coated micropore adhesive layer 302, and the waterproof breathable composite film with high strength and good waterproof and breathable performances can be rapidly prepared.
As an embodiment of the present invention, the composite film pressing apparatus in the step S6 includes a frame 4, a supporting and releasing mechanism 5, a glue spreading and perforating mechanism 8, a pressing mechanism 9 and a winding roller 10, wherein the supporting and releasing mechanism 5 is installed at the left end of the frame 4, the supporting and releasing mechanism 5 is used for supporting and releasing the rolled waterproof breathable film 201, the bottom layer 1 and the surface layer 3, the glue spreading and perforating mechanism 8 is arranged at the right side of the supporting and releasing mechanism 5, the glue spreading and perforating mechanism 8 is used for uniformly smearing the micropore adhesive on the upper surface and the lower surface of the released waterproof breathable film 201, simultaneously, the puncture treatment is performed on the released glass fiber layer, the pressing mechanism 9 is used for pressing and attaching the released surface layer 3 and the bottom layer 1 to the surface of the waterproof breathable film 201 uniformly smeared with the micropore adhesive, and the winding roller 10 is used for winding the finished composite film after the heat pressing treatment;
In the scheme of the invention, when the waterproof breathable film 201 prepared through the steps S1 to S4, the bottom layer 1 and the surface are rolled and then put on the supporting and releasing mechanism 5 arranged above the left end of the frame 4, then the microporous adhesive prepared in the step S2 is injected into the glue injection machine, then the free ends of the waterproof breathable film 201, the bottom layer 1 and the surface layer 3 are respectively pulled out to the right into the glue coating perforation mechanism 8 and the pressing mechanism 9, and as the microporous glass fiber layer 102 on the surface of the bottom layer 1 and the microporous glass fiber layer 102 on the lower surface of the surface layer 3 are aligned with the upper surface and the lower surface of the waterproof breathable film 201, at the moment, the glue coating perforation mechanism 8 can synchronously and evenly spray the microporous adhesive in the glue injection machine on the upper surface and the lower surface of the waterproof breathable film 201, and simultaneously the glue coating perforation mechanism 8 can synchronously puncture the glass fiber layer, so that the whole performance of the waterproof composite film is improved, the waterproof composite film is not influenced, and the air permeability of the waterproof composite film is not only can be further improved, but also the waterproof breathable film is prepared by the method of the invention, and the waterproof breathable film is only prepared by the method of preparing the surface layer 3, and the waterproof breathable film 201 by the method of the invention, and the surface layer 3 is only can be continuously processed by the pressure-coated on the surface of the surface layer 3, and the waterproof breathable film is prepared by the method of the surface of the invention, and the surface layer 3, and the porous film is prepared by the method of the porous film is only can be uniformly sprayed and the uniformly and sprayed and the laminated, and the porous film 201 and the high, and then enters the winding roller 10 for winding.
As an implementation mode of the invention, the supporting and paying-out mechanism 5 comprises a supporting upright rod 51, rotating rods 52, paying-off drums 53, supporting sleeves 54, connecting shafts 55 and a connecting jacking component 6, wherein the supporting upright rod 51 is vertically and symmetrically fixed on a bottom plate of the frame 4, mounting cavities 511 are vertically formed in the supporting upright rod 51, three rotating rods 52 are equidistantly arranged between the symmetrical supporting upright rods 51, the paying-off drums 53 are fixedly sleeved on the three rotating rods 52, the three paying-off drums 53 which are equidistant from top to bottom are respectively wound with a surface layer 3, a waterproof breathable film 201 and a bottom layer 1, three supporting sleeves 54 are uniformly fixed in the mounting cavities 511 of each supporting upright rod 51 at equal intervals, connecting shafts 55 are rotatably arranged in the three supporting sleeves 54, the outer ends of the three connecting shafts 55 are in transmission connection through belts, and the two symmetrical connecting shafts 55 are detachably connected with the rotating rods 52 through the connecting jacking component 6;
in the design scheme of the invention, after the waterproof and breathable film 201, the bottom layer 1 and the surface layer 3 prepared through the steps S1, S3 and S4 are wound on the winding drums 53, an operator sequentially places the three winding drums 53 on the connecting jacking component 6 on the left side surface of the supporting upright rod 51 in sequence, then sequentially pushes the three winding drums 53 so that the rotating rods 52 on the three winding drums 53 can be positioned in the mounting cavity 511, then the connecting jacking component 6 drives the three winding drums 53 to synchronously descend in the mounting cavity 511, so that the rotating rods 52 at two ends of the three winding drums 53 can be connected with the connecting shafts 55, and then the three winding drums 53 are synchronously rotated through belt transmission connection on the supporting upright rod 51 to synchronously release the waterproof and breathable film 201, the bottom layer 1 and the surface layer 3 for subsequent processing; after the materials wound on the three winding drums 53 are completely discharged, the three winding drums 53 are synchronously lifted upwards by the connection lifting assembly 6, two end parts of the rotating rod 52 are disconnected from the connection shaft 55, and then the three winding drums 53 are synchronously pushed out to the left side surface of the supporting upright rod 51 by the pushing assembly 7, so that the three winding drums 53 are quickly detached and installed.
As an embodiment of the present invention, the connected jack-up assembly 6 includes a square block 61, a jack-up cylinder 62, a jack-up block 63, a connecting bar 64 and an inclined support bar 65, wherein a plurality of square blocks 61 are respectively fixed on two end surfaces of a plurality of rotating rods 52, an aligned notch 541 is formed on an upper outer ring surface of the supporting sleeve 54, a square clamping groove 551 is formed on an upper outer ring surface of the connecting shaft 55, the square clamping groove 551 penetrates through an inner end surface of the connecting shaft 55, the jack-up cylinder 62 is vertically fixed at the bottom of an inner side surface of the two supporting upright rods 51, the upper end surfaces of piston rods of the jack-up cylinder 62 are fixed with jack-up blocks 63, two jack-up blocks 63 which are positioned on the inner side of the supporting upright rods 51 and are connected by a vertical connecting bar 64, three inclined notch grooves 512 are equidistantly formed on the left cavity wall of the mounting cavity 511, three notch grooves 512 are respectively positioned above the three supporting sleeves 54, a C-shaped clamping groove 631 is formed on the upper outer ring surface of the connecting shaft 55, the C-shaped clamping groove 551 is rotatably clamped to the rotating rod 52, the upper side surface of the two jack-up rods 631 is positioned on the inclined side surface of the supporting rod 51, the two inclined support bars 65 are positioned on the side surfaces of the same side surface of the supporting upright rods 51, and the inclined support bar 65 are positioned on the inclined side surface of the upper side surface of the supporting rod 51, and the inclined notch grooves of the upper side surface of the supporting rod 631 is positioned on the inclined support bar 7;
In the scheme of the invention, when three material-rolled unwinding drums 53 are required to be installed, square blocks 61 at two ends of the three unwinding drums 53 are borne on inclined supporting bars 65 which are arranged in an inclined manner, then the three unwinding drums 53 are pushed upwards in an inclined manner in sequence, so that the square blocks 61 at the end surfaces of rotating rods 52 at the two ends of the unwinding drums 53 can enter a notch 512, then the rotating rods 52 at the two ends of the three unwinding drums 53 are synchronously adsorbed and slipped into C-shaped clamping grooves 631 formed in the pushing blocks 63 through pushing out components 7, then piston rods of two pushing cylinders 62 are controlled to shrink, the square blocks 61 are synchronously driven to descend between two supporting upright rods 51 through connecting bars 64 and pushing blocks 63, and the square blocks 61 are enabled to descend in square clamping grooves 551 formed in connecting shafts 55, therefore, when a belt transmission assembly on the side surfaces of the supporting upright rods 51 drives the three connecting shafts 55 to synchronously rotate, the connecting shafts 55 drive the unwinding drums 53 to rotate through the square blocks 61, and the rotating rods 52 are driven by the rotating rods 52, and the rotating rods 631 can not normally rotate the square blocks 53, and the square blocks 53 are enabled to normally fall down in the clamping grooves 551, and the square blocks 53 are not normally rotated, and the square blocks 53 are prevented from falling down; when the materials on the three reels 53 are completely discharged, the notch of the square clamping groove 551 is controlled to be upward, then the piston rod of the pushing cylinder 62 is controlled to extend, so that the pushing cylinder 62 drives the three reels 53 to synchronously slide upward through the connecting strip 64 and the pushing block 63, the square block 61 can be separated from the alignment of the notch groove 512 from the square clamping groove 551 and the alignment notch 541 upward, then the rotating rod 52 and the square block 61 are respectively pushed to the left from the C-shaped clamping groove 631 and the installation cavity 511 by the pushing component 7 to enter the inclined support bar 65, so that the three reels 53 can synchronously slide downward along the inclined support bar 65, and further, an operator can conveniently and rapidly take out and replace the three reels 53 synchronously.
As an embodiment of the present invention, the push-out assembly 7 includes a push post 71, a connection plate 72, push-out cylinders 73, a conductive magnetic block 74 and an adsorption iron block 75, wherein the right side wall of the installation cavity 511 is slidably inserted with three push posts 71 at equal intervals, the three push posts 71 are aligned with three inclined notch grooves 512, the outer end surfaces of the three push posts 71 are connected with the same vertical connection plate 72, the upper and lower outer side surfaces of the connection plate 72 are fixed with push-out cylinders 73, the piston rods of the two push-out cylinders 73 are connected with the right side surface of the support upright rod 51, the right side surface of the square block 61 is fixed with a conductive magnetic block 74, the inner end part of the push post 71 is fixed with the adsorption iron block 75, and the adsorption iron block 75 is in sliding fit contact with the conductive magnetic block 74;
in the design scheme of the invention, when square blocks 61 at two ends of three unwinding drums 53 enter a notch groove 512, at the moment, piston rods of an extruding cylinder 73 are contracted to drive three pushing columns 71 to slide to the notch groove 512 through a connecting plate 72, and the adsorbing iron blocks 75 at the ends of the pushing columns 71 are contacted with the electrified magnetic blocks 74 at the side surfaces of the square blocks 61, at the moment, the magnetic adsorption force generated by electrifying the electrified magnetic blocks 74 can adsorb the pushing columns 71, then the piston rods of the extruding cylinder 73 extend out, the connecting plate 72 can be pushed to slide towards the right side surface far away from a supporting upright rod 51, the pushing columns 71 can drive the square blocks 61 to move into a mounting cavity 511, meanwhile, the outer ring surface of a rotating rod 52 can slide into a C-shaped clamping groove 631, then the electrified magnetic blocks 74 are controlled to break away from the magnetic adsorption of the adsorbing iron blocks 75 at the ends of the pushing columns 71, at the same time, the piston rods of the pushing cylinders 62 are contracted, the square blocks 61 are driven to slide downwards to be clamped into the clamping grooves 551 through the blocks 63, at the moment, the electrified magnetic adsorption force of the electrified magnetic blocks 74 can be adsorbed into the square clamping grooves 551, and the square blocks have magnetic adsorption force to further firmly connect the square blocks 61 with a square shaft 55, and the stability can be further improved; when the unreeling drum 53 needs to be disassembled, the electromagnetic block 74 is controlled to be powered off, then the piston rod of the pushing cylinder 62 extends out, so that the square block 61 slides upwards to be separated from the square clamping groove 551 and is aligned with the notch groove 512, the pushing column 71 contacts with the side face of the square block 61 at the moment, then the piston rod of the pushing cylinder 73 is controlled to shrink, so that the pushing column 71 is driven by the connecting plate 72 to push the square block 61 from the mounting cavity 511 to the notch groove 512, and then slides on the inclined supporting bar 65, thereby being convenient for an operator to rapidly and synchronously disassemble the three unreeling drums 53.
As an embodiment of the present invention, the glue spreading and perforating mechanism 8 includes a fixed support plate 81, a rotating shaft pipe 82, a sleeve 83, a glue injection pipe 84 and glue injection penetrating needles 85, where the fixed support plate 81 is vertically and symmetrically fixed on the bottom, the symmetrical fixed support plate 81 is located on the right side of the symmetrical support upright rod 51, two rotating shaft pipes 82 are rotatably installed between the symmetrical fixed support plates 81, the two rotating shaft pipes 82 are respectively located on the upper and lower surfaces of the waterproof and breathable film 201, the sleeve 83 is fixedly sleeved on each rotating shaft pipe 82, the distances from the outer ring surfaces of the two sleeve 83 to the bottom layer 1 and the surface layer 3 are smaller than the distances from the outer ring surfaces of the two sleeve 83 to the waterproof and breathable film 201, the two rotating shaft pipes 82 are rotationally inserted with the glue injection pipe 84, one end pipe orifice of the glue injection pipe 84 is in a closed state, the other end pipe orifice of the glue injection machine is communicated with the glue injection machine set on the frame 4, a plurality of tubular glue injection penetrating needles 85 are circumferentially arranged along the length direction of the circumference array of the sleeve 83, the ring surface of the glue injection pipe 84 corresponding to the waterproof and breathable film 201 is provided with a plurality of glue injection penetrating holes 841;
In the scheme of the invention, when the waterproof breathable film 201 is pulled out between two sleeved pipes 83, the glass fiber layer on the upper surface of the bottom layer 1 is positioned below the lower sleeved pipe 83, the glass fiber layer on the lower surface is positioned above the upper sleeved pipe 83, at the moment, the two rotating shaft pipes 82 are controlled to synchronously rotate, the rubber injection pipe 84 is in a static state in the rotating shaft pipes 82, and the distance between the sleeved pipes 83 and the glass fiber layer is smaller than the distance to the surface of the waterproof breathable film 201, so when the sleeved pipes 83 rotate, the needle points of the plurality of glue spraying penetrating needles 85 on the outer ring surface of the sleeved pipes 83 penetrate into the glass fiber layer, so that the glass fiber layer can form a micropore shape, and the needle points of the glue spraying penetrating needles 85 can not cause puncture damage to the microporous film 101 and the non-woven fabric layer 301, and when the glue spraying penetrating needles 85 rotate to be aligned with the waterproof breathable film 201, the glue spraying holes 841 formed on the rubber injection pipe 84 can be aligned with the plurality of tubular glue penetrating needles 85 on the same axis, and then the microporous glue spraying pipe 84 can enter the plurality of glue spraying holes 85 to the waterproof breathable film 201 to be uniformly sprayed through the surface of the glue spraying needles, and the quality of the waterproof film is improved, and the quality of the waterproof film is further can be further improved, and the quality of the glue spraying film is further prepared by the glue spraying the glue penetrating film 201 is uniformly through the glue penetrating needle holes 201 to be uniformly sprayed into the surface of the waterproof film layer and then the waterproof film 201.
As an embodiment of the present invention, the pressing mechanism 9 includes a fixing support rod 91, a hot pressing box 92 and pressing rollers 93, at least four fixing support rods 91 are vertically fixed on a bottom plate, the hot pressing box 92 is fixedly supported on the upper surfaces of the four fixing support rods 91, and at least two sets of pressing rollers 93 are symmetrically arranged in the hot pressing box 92; in the scheme of the invention, after the waterproof breathable film 201 uniformly sprayed with the micropore adhesive and the perforated bottom layer 1 and the perforated surface layer 3 enter the hot pressing box 92, the control system of the pressing equipment carries out heating treatment on the hot pressing box 92 according to the debugging requirement, and then carries out pressing and compounding treatment on the surface layer 3, the bottom layer 1 and the waterproof breathable film 201 through at least two groups of pressing rollers 93 in the hot pressing box 92, so that the waterproof breathable composite film with high performance is formed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The preparation method of the waterproof breathable composite film is characterized by comprising the following steps of:
s1: respectively preparing a microporous membrane (101), a glass fiber layer, a waterproof breathable membrane (201) and a non-woven fabric, and winding the prepared various materials;
S2: in the preparation process of the adhesive, the dispersant and the attapulgite are put into a mixing tank to be mixed, so that a microporous adhesive is prepared, and then the microporous adhesive is introduced into a composite film pressing device to be glued so as to form a microporous adhesive layer (302);
S3: compounding the microporous membrane (101) prepared in the step S1 with a glass fiber layer to prepare a bottom layer (1), and then rolling the prepared bottom layer (1);
S4: compounding the non-woven fabric prepared in the step S1 and the glass fiber layer to prepare a surface layer (3), and then rolling the prepared surface layer (3);
S5: respectively putting the waterproof breathable film (201) rolled in the step S1, the bottom layer (1) rolled in the step S3 and the surface layer (3) rolled in the step S4 on corresponding supporting and releasing mechanisms (5) on the composite film pressing equipment in sequence;
S6: uniformly coating a microporous adhesive on the upper surface and the lower surface of a released waterproof breathable film (201) through a gluing perforation mechanism (8) in composite film pressing equipment, enabling a glass fiber layer to be perforated synchronously through the gluing perforation mechanism (8), and then pressing and attaching a rolled bottom layer (1) and a rolled surface layer (3) to the waterproof breathable film (201) through a pressing mechanism (9) to obtain a semi-finished product;
S7: performing edge hot-pressing treatment on the semi-finished product obtained in the step S6 to obtain a finished product composite film, and rolling the obtained composite film;
The composite film pressing equipment in the step S6 comprises a frame (4), a supporting and releasing mechanism (5), a gluing perforation mechanism (8), a pressing mechanism (9) and a winding roller (10), wherein the supporting and releasing mechanism (5) is arranged at the left end part of the frame (4), the supporting and releasing mechanism (5) is used for supporting and releasing a wound waterproof breathable film (201), a bottom layer (1) and a surface layer (3), the gluing perforation mechanism (8) is arranged on the right side of the supporting and releasing mechanism (5), the gluing perforation mechanism (8) is used for uniformly smearing a micropore adhesive on the upper surface and the lower surface of the released waterproof breathable film (201), simultaneously performing puncture treatment on the released glass fiber layer, the pressing mechanism (9) is used for pressing and attaching the released surface layer (3) and the bottom layer (1) to the surface of the waterproof breathable film (201) uniformly smeared with micropore adhesive, and the winding roller (10) is used for winding a finished composite film after hot pressing treatment;
The supporting and discharging mechanism (5) comprises a supporting vertical rod (51), rotating rods (52), a discharging drum (53), supporting sleeves (54), connecting shafts (55) and a connecting jacking component (6), wherein the supporting vertical rod (51) is vertically and symmetrically fixed on a bottom plate of a rack (4), an installing cavity (511) is vertically formed in the supporting vertical rod (51), three rotating rods (52) are symmetrically arranged between the supporting vertical rod (51) at equal intervals, the three rotating rods (52) are fixedly sleeved with the discharging drum (53), the three discharging drums (53) are respectively wound with a surface layer (3), a waterproof breathable film (201) and a bottom layer (1) from top to bottom at equal intervals, three supporting sleeves (54) are fixedly arranged in the installing cavity (511) of the supporting vertical rod (51), the outer ends of the connecting shafts (55) are connected through belt transmission, and the two symmetrical connecting shafts (55) are detachably connected with the rotating rod (52) through the connecting jacking component (6);
The connected jacking component (6) comprises square blocks (61), jacking cylinders (62), jacking blocks (63), connecting strips (64) and inclined support strips (65), wherein a plurality of square blocks (61) are respectively fixed on two end faces of a plurality of rotating rods (52), an alignment notch (541) is formed in the upper outer ring surface of each supporting sleeve (54), square clamping grooves (551) are formed in the upper outer ring surface of each connecting shaft (55), the square clamping grooves (551) penetrate through the inner end surface of each connecting shaft (55), the bottoms of the inner side surfaces of two supporting upright rods (51) are vertically fixed with the jacking cylinders (62), the upper end faces of piston rods of the jacking cylinders (62) are fixedly provided with the jacking blocks (63), the two jacking blocks (63) which are located on the inner sides of the supporting upright rods (51) are connected through the vertical connecting strips (64), three inclined notch grooves (512) are formed in the left side cavity wall of each mounting cavity (511) in an equidistant penetrating mode, the three notch grooves (512) are respectively located above the three supporting sleeves (54), the notch grooves (631) are formed in the left side cavity walls of the supporting cavities (631), the notch grooves (631) are formed in the left side of the supporting cavities (631) and are formed in the rotating mode, the notch grooves (631) are formed in the rotating mode, an L-shaped inclined support bar (65) is obliquely fixed on the side wall below the notch of the notch groove (512), the inclined support bars (65) for obliquely fixing the left side surfaces of the two support vertical rods (51) are positioned on the same inclined surface, push-out assemblies (7) are arranged on the right side surfaces of the two support vertical rods (51), and the push-out assemblies (7) are used for pushing out and separating a rotating rod (52) jacked up to the notch groove (512) from the C-shaped clamping groove (631);
The pushing assembly (7) comprises pushing columns (71), connecting plates (72), pushing cylinders (73), energizing magnetic blocks (74) and adsorption iron blocks (75), wherein three pushing columns (71) are inserted into the right side wall of the mounting cavity (511) in an equidistant sliding manner, the three pushing columns (71) are aligned with three inclined notch grooves (512), the outer end faces of the three pushing columns (71) are connected with the same vertical connecting plates (72), the pushing cylinders (73) are fixed on the upper outer side face and the lower outer side face of the connecting plates (72), the piston rods of the two pushing cylinders (73) are connected with the right side face of the supporting upright rods (51), the energizing magnetic blocks (74) are fixed on the right side face of the square blocks (61), and the adsorption iron blocks (75) are fixed on the inner end portions of the pushing columns (71) and are in sliding fit contact with the energizing magnetic blocks (74);
The glue spreading perforation mechanism (8) comprises a fixed support plate (81), a rotating shaft pipe (82), a sleeve pipe (83), a glue injection pipe (84) and glue injection penetrating needles (85), wherein the fixed support plate (81) is vertically and symmetrically fixed on the bottom, the symmetrical fixed support plate (81) is positioned on the right side of a symmetrical supporting upright rod (51), two rotating shaft pipes (82) are rotatably arranged between the fixed support plate (81), the two rotating shaft pipes (82) are respectively positioned on the upper surface and the lower surface of a waterproof breathable film (201), each rotating shaft pipe (82) is fixedly sleeved with the sleeve pipe (83), the distance between the outer ring surface of the sleeve pipe (83) and the bottom layer (1) is smaller than the distance between the outer ring surface of the sleeve pipe (3) and the waterproof breathable film (201), the two rotating shaft pipes (82) are internally inserted with the glue injection pipe (84), one end pipe orifice of the glue injection pipe (84) is in a closed state, the other end pipe orifice is communicated with a glue injection machine arranged on a frame (4), the surface of the sleeve pipe (83) is fixedly sleeved with the corresponding glue injection penetrating needles (841) along the length direction of the same tubular glue injection penetrating film (841) and the length of the tubular glue injection penetrating film (85) along the same length direction of the tubular glue injection penetrating needles (841), a plurality of glue spraying holes (851) are formed in the tip end part of the glue spraying threading needle (85) and the circumferential array of the outer ring surface.
2. The method for preparing the waterproof and breathable composite film according to claim 1, wherein the pressing mechanism (9) comprises fixing struts (91), a hot pressing box (92) and pressing rollers (93), at least four fixing struts (91) are vertically fixed on a bottom plate, the hot pressing box (92) is fixedly supported on the upper surfaces of the four fixing struts (91), and at least two groups of pressing rollers (93) are symmetrically arranged in the hot pressing box (92) in an up-down mode.
3. The waterproof and breathable composite film is characterized by comprising a bottom layer (1), a middle layer (2) and a surface layer (3), wherein the bottom layer (1) is composed of a microporous film (101) and a microporous glass fiber layer (102), the middle layer (2) is a waterproof and breathable film (201), the surface layer (3) is composed of a microporous glass fiber layer (102) and a non-woven fabric layer (301), and the outer wall of the middle layer (2) is in composite connection with the two microporous glass fiber layers (102) through a microporous adhesive layer (302).
4. A waterproof breathable composite film according to claim 3, characterized in that said microporous adhesive layer (302) is formed by uniformly coating the adhesive, dispersant and attapulgite on the surface of the middle layer (2).
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