CN112176528B - Hydrophobic melt-blown fabric and preparation method thereof - Google Patents
Hydrophobic melt-blown fabric and preparation method thereof Download PDFInfo
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- CN112176528B CN112176528B CN202011118769.5A CN202011118769A CN112176528B CN 112176528 B CN112176528 B CN 112176528B CN 202011118769 A CN202011118769 A CN 202011118769A CN 112176528 B CN112176528 B CN 112176528B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/544—Olefin series
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/407—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing absorbing substances, e.g. activated carbon
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/04—Filters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a hydrophobic melt-blown fabric and a preparation method thereof.
Description
Technical Field
The invention relates to a melt-blown fabric, in particular to a hydrophobic melt-blown fabric and a preparation method thereof.
Background
The melt-blown fabric mainly uses polypropylene as a main raw material, and the diameter of the fiber can reach 1-5 microns. The superfine fibers with unique capillary structures increase the number and the surface area of the fibers per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property. Can be used in the fields of air and liquid filtering materials, isolating materials, absorbing materials, mask materials, warm-keeping materials, oil absorbing materials, wiping cloth and the like. The existing hydrophobic melt-blown fabric is usually sprayed with waterproof paint only on the surface of the melt-blown fabric to achieve the purpose of water resistance, and the hydrophobic melt-blown fabric produced by the method has poor waterproof effect and cannot well meet the actual use requirements.
Disclosure of Invention
The invention aims to provide a hydrophobic melt-blown fabric and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a hydrophobic meltblown fabric, includes the polyethylene polypropylene meltblown layer, the top on polyethylene meltblown layer is scribbled and is equipped with hydrophobic coating, a plurality of roll-in groove has been seted up at hydrophobic coating's top, and a plurality of roll-in groove alternately sets up into latticed, a plurality of all fixed fine hair fiber, a plurality of that are equipped with in the space portion between the roll-in groove the fibrous bottom of fine hair all with the top fixed connection on polyethylene meltblown layer, it has the graphite alkene granule to disperse the bonding in the fibre on polyethylene meltblown layer.
A method of making a hydrophobic meltblown fabric comprising the steps of:
the method comprises the following steps: spraying a molten polypropylene raw material onto a melt-blown fabric conveyor belt through a melt nozzle to form a polypropylene melt-blown layer, spraying graphene particles onto the top of the polypropylene melt-blown layer through a graphene spraying device before the polypropylene melt-blown layer is completely solidified, and then supplying air to the polypropylene melt-blown layer through a cooling mechanism for refrigeration so as to rapidly cool the polypropylene melt-blown layer;
step two: spraying a hydrophobic coating on the top of the cooled and shaped polypropylene melt-blown layer through a hydrophobic layer coating nozzle, and forming a hydrophobic coating on the top of the polypropylene melt-blown layer after the hydrophobic coating is cooled;
step three: forming a rolling groove on the top of the polyethylene melt-blown layer with the hydrophobic coating through a rolling mechanism, and drawing out the fluff fiber through fiber crochet needles arranged on the rolling mechanism;
step four: carrying out electrostatic generation treatment on the surface of the polypropylene melt-blown layer by using an electrostatic treatment mechanism;
step five: and rolling the prepared melt-blown fabric through a rolling mechanism.
As a further scheme of the invention: the melt-blown head comprises an outer sleeve, the inside sliding sleeve of outer sleeve is equipped with the inner skleeve, the opening has been seted up at the top of inner skleeve, the inner wall fixedly connected with sealing washer of opening, the top fixedly connected with conveying pipeline of outer sleeve, the one end of conveying pipeline passes the inside of opening and inner skleeve and communicates with each other, the other end of conveying pipeline and the output fixed connection of external screw extruder, the bottom fixed mounting of inner skleeve has a plurality of to melt the blow gun, a plurality of melt the equal fixed mounting in middle part of blow gun has the governing valve, one side interlude of outer sleeve is connected with locking bolt, locking bolt's one end fixedly connected with rubber pad, one side of rubber pad supports tightly with one side contact of inner skleeve.
As a further scheme of the invention: the roller pressing mechanism comprises a grooving pressing roller, a plurality of uniformly distributed rolling grooves are formed in the outer wall of the grooving pressing roller, a plurality of fiber crochet hooks are fixedly mounted at the bottoms of the inner walls of the rolling grooves, and the tops of the fiber crochet hooks are bent.
As a further scheme of the invention: the cooling body includes the cooler bin, the top of cooler bin inner wall alternates and is connected with the air-supply line, the inner wall fixedly connected with a plurality of filter screen of air-supply line, the one end of air-supply line communicates with each other with the output of external high compression pump, the middle part fixed mounting of cooler bin inner wall has the condenser pipe, one side of condenser pipe communicates with each other with the one end of intake pipe, the other end of intake pipe passes one side of cooler bin and communicates with each other with external refrigeration plant's output, the bottom fixed mounting of cooler bin has a plurality of evenly distributed's cold wind nozzle.
As a further scheme of the invention: the both sides of melt-blown fabric conveyer belt respectively with the middle part fixed connection of two backup pad one sides, two the both sides of backup pad bottom respectively with the top fixed connection of four support columns, four the support column is inside all seted up accept the groove, four the equal block in inside of accepting the groove is connected with changes the board, four the equal fixedly connected with in bottom of changeing the board adjusts the post, four the bottom of adjusting the post respectively with the inner wall threaded connection of four foundation columns, four the equal fixedly connected with adjustable ring in middle part of adjusting the post, four the scale mark has all been seted up to the bottom of adjusting post one side.
As a further scheme of the invention: the winding mechanism comprises a mounting frame, a mounting plate is fixedly connected to the top of the mounting frame, a transmission rod is rotatably mounted on one side of the mounting plate, one end of the transmission rod penetrates through the mounting plate and is fixedly connected with the output end of a winding motor, a winding roller is slidably connected to the middle of the transmission rod, one end of the winding roller is connected with one side of a movable baffle in a clamping manner, a plurality of unloading handles are fixedly connected to the other side of the movable baffle, the other end of the transmission rod is connected with the middle of the movable baffle in an alternating manner, one side of the bottom of the transmission rod is connected with the top of a side baffle in a clamping manner, a connecting rod is fixedly connected to one side of the side baffle, the bottom of the connecting rod is rotatably connected with the top of a bottom plate, a plurality of unloading handles are fixedly connected to the other side of the movable baffle, and two connecting plates are arranged between the winding mechanism and the output end of the melt-spraying cloth conveying belt in parallel, and a plurality of material guide rollers arranged along the melt-blown fabric conveying path are rotatably arranged between the two connecting plates.
As a further scheme of the invention: the middle part of the transmission rod is fixedly provided with a plurality of sliding blocks which are uniformly distributed along the length direction of the transmission rod, the inner wall of the wind-up roll is provided with a plurality of uniformly distributed sliding chutes, and the tops of the sliding blocks are respectively connected with the inner walls of the sliding chutes in a sliding manner; one end of the winding roller is fixedly connected with a clamping plate, two ends of one side of the clamping plate are respectively provided with a clamping groove, two ends of one side of the movable baffle are respectively and fixedly connected with a clamping block, and the middle parts of the two clamping blocks are respectively clamped and connected with the inner walls of the two clamping grooves; two the equal fixedly connected with dog in bottom of joint piece, just the size of dog is greater than the size of joint piece, two some sockets are seted up to the one end of draw-in groove, the size of socket and the size phase-match of dog.
As a further scheme of the invention: the melt-blown fabric conveying belt comprises a conveying belt surface, two ends of the top of the inner wall of the conveying belt surface are in transmission connection with conveying belt transmission shafts, two ends of the bottom of the inner wall of the conveying belt surface are in penetrating connection with conveying belt guide shafts, the two conveying belt guide shafts and the two conveying belt transmission shafts are arranged in parallel, and the distance between the two conveying belt guide shafts is smaller than the distance between the two conveying belt transmission shafts; two the one end of backup pad one side respectively with the both ends fixed connection of separator plate, one side of separator plate sets up to the arc face, the radian of arc face with the output of melt-blown fabric conveyer belt corresponds arranges.
As a further scheme of the invention: the electrostatic treatment mechanism comprises an electrostatic treatment box, an electrostatic generator is fixedly arranged at one end of the top of the inner wall of the electrostatic treatment box, an electrostatic pole-standing rod is rotatably arranged at one end of the top of the inner wall of the electrostatic treatment box, and the electrostatic generator is electrically connected with the electrostatic pole-standing rod; the both sides at electrostatic treatment bottom of the case portion respectively with the one end fixed connection at two backup pad tops, two the middle part at backup pad top is rotated through the both ends of two first link and fluting compression roller respectively and is connected, two the other end at backup pad top is respectively through the both ends fixed connection of two second link and graphite alkene spraying apparatus.
Compared with the prior art, the invention has the beneficial effects that: according to the hydrophobic melt-blown fabric, the top of the polypropylene melt-blown layer is coated with the hydrophobic coating, so that the melt-blown fabric has basic waterproof capacity, the rolling groove is formed in the top surface of the melt-blown fabric, and the fluff fibers pulled out by the fiber hook needle hooks are used for effectively rejecting tiny water drops falling on the surface of the melt-blown fabric, so that the direct contact between the water drops and the polypropylene melt-blown layer of the melt-blown fabric is reduced, the waterproof effect of the melt-blown fabric is further improved, and the melt-blown fabric has better adsorption and filtration effects on pollutants such as dust by adding the graphene particles into the fibers of the melt-blown fabric and carrying out electrostatic treatment on the melt-blown fabric; in the preparation process, the distance between the melt-blown spray head and the melt-blown cloth conveying belt is adjustable by arranging the supporting columns with adjustable heights, so that the use flexibility of the device is improved, the spraying speed of each spray head is adjustable by arranging structures such as an adjusting valve, and the problem of uneven thickness of each position of the melt-blown cloth caused by uneven spraying speed of the spray heads is solved; through setting up joint board isotructure for the operation of unloading to the melt-blown fabric of accomplishing the rolling is more convenient.
Drawings
FIG. 1 is a cross-sectional view of the structure of a meltblown fabric of the present invention;
FIG. 2 is a perspective view of a meltblown fabric making apparatus of the present invention;
FIG. 3 is a cross-sectional view of a meltblown head structure of the present invention;
FIG. 4 is a cross-section of the cooling mechanism of the present invention;
FIG. 5 is a top view of the winding mechanism of the present invention;
FIG. 6 is a cross-sectional view of a winding mechanism of the present invention;
FIG. 7 is a cross-sectional view of an adjustment post structure of the present invention;
FIG. 8 is a cross-sectional view of a grooved press roll configuration of the present invention;
FIG. 9 is a cross-sectional view of a meltblown fabric construction of the present invention;
FIG. 10 is a cross-sectional view of an electrostatic processing mechanism according to the present invention.
In the figure: 1. a polypropylene melt-blown layer; 2. a hydrophobic coating; 3. rolling the groove; 4. pile fibers; 5. graphene particles; 101. graphene spraying equipment; 102. a hydrophobic layer coating spray head; 103. melt-blown fabric conveyor belts; 1031. a conveyor belt face; 1032. a transmission shaft of the conveyer belt; 1033. a conveyor belt guide shaft; 104. a support plate; 105. a separation plate; 106. a support pillar; 107. rotating the plate; 108. an adjustment column; 109. a bottom pillar; 110. an adjusting ring; 200. melting the spray head; 201. an outer sleeve; 202. an inner sleeve; 203. a seal ring; 204. a delivery pipe; 205. a melt-blown blowing nozzle; 206. adjusting a valve; 207. a locking bolt; 300. a cooling mechanism; 301. a cooling tank; 302. an air inlet pipe; 303. a condenser tube; 304. an air inlet pipe; 305. a cold air nozzle; 400. a rolling mechanism; 401. grooving the compression roller; 402. rolling the groove; 403. a fiber crochet hook; 500. an electrostatic treatment mechanism; 501. an electrostatic treatment tank; 502. an electrostatic generator; 503. an electrostatic electret rod; 600. a winding mechanism; 601. a mounting frame; 602. mounting a plate; 603. a transmission rod; 604. a wind-up roll; 605. a movable baffle; 606. a material guide roller; 607. a slider; 608. a clamping and connecting plate; 609. a card slot; 610. a clamping block; 611. a stopper; 612. side dams.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in the embodiment of the present invention, a hydrophobic meltblown fabric and a method for manufacturing the same include a polyethylene meltblown layer 1, a hydrophobic coating layer 2 is coated on a top of the polyethylene meltblown layer 1, a plurality of rolling grooves 3 are formed in a top of the hydrophobic coating layer 2, the rolling grooves 3 are arranged in a grid shape in a crossing manner, fluff fibers 4 are fixed in gaps between the rolling grooves 3, bottoms of the fluff fibers 4 are fixedly connected to a top of the polyethylene meltblown layer 1, and graphene particles 5 are dispersed and bonded in fibers of the polyethylene meltblown layer 1.
When the invention is used, the top of the polypropylene melt-blown layer 1 is coated with the hydrophobic coating 2, so that the melt-blown fabric has basic waterproof capability, the rolling groove 3 is formed on the top surface of the melt-blown fabric, and the fluff fiber 4 pulled out by the fiber crochet needle 403 is used for effectively rejecting tiny water drops falling on the surface of the melt-blown fabric, so that the direct contact between the water drops and the melt-blown fabric polypropylene melt-blown layer 1 is reduced, the waterproof effect of the melt-blown fabric is further improved, and the melt-blown fabric has better adsorption and filtration effects on pollutants such as dust by adding the graphene particles 5 in the melt-blown fabric and carrying out electrostatic treatment on the melt-blown fabric.
Referring to fig. 2 to 10, the present invention further provides a method for preparing a hydrophobic meltblown fabric, comprising the steps of:
the method comprises the following steps: spraying a molten polypropylene raw material onto a melt-blown fabric conveyer belt 103 through a melt-blown nozzle 200 to form a polypropylene melt-blown layer 1, spraying graphene particles 5 onto the top of the polypropylene melt-blown layer 1 through a graphene spraying device 101 before the polypropylene melt-blown layer 1 is not completely solidified, and then supplying air to the polypropylene melt-blown layer 1 through a cooling mechanism 300 for refrigeration so as to rapidly cool the polypropylene melt-blown layer 1;
step two: spraying a hydrophobic coating on the top of the cooled and shaped polypropylene melt-blown layer 1 through a hydrophobic layer coating nozzle 102, and forming a hydrophobic coating 2 on the top of the polypropylene melt-blown layer 1 after the hydrophobic coating is cooled;
step three: a rolling groove 3 is formed at the top of the polypropylene melt-blown layer 1 with the hydrophobic coating 2 through a rolling mechanism 400, and the fluff fibers 4 are pulled out through fiber crochet needles 403 arranged on the rolling mechanism 400;
step four: performing electrostatic generation treatment on the surface of the polypropylene melt-blown layer 1 by using an electrostatic treatment mechanism 500;
step five: the melt-blown fabric which is prepared is wound by the winding mechanism 600.
The melt nozzle 200 comprises an outer sleeve 201, an inner sleeve 202 is slidably sleeved inside the outer sleeve 201, a through hole is formed in the top of the inner sleeve 202, a sealing ring 203 is fixedly connected to the inner wall of the through hole, a feed delivery pipe 204 is fixedly connected to the top of the outer sleeve 201, one end of the feed delivery pipe 204 penetrates through the through hole to be communicated with the inside of the inner sleeve 202, the other end of the feed delivery pipe 204 is fixedly connected with the output end of an external screw extruder, a plurality of melt blowing nozzles 205 are fixedly installed at the bottom of the inner sleeve 202, adjusting valves 206 are fixedly installed in the middles of the melt blowing nozzles 205, a locking bolt 207 is penetratingly connected to one side of the outer sleeve 201, one end of the locking bolt 207 is fixedly connected with a rubber pad, one side of the rubber pad is in contact and abutting against one side of the inner sleeve 202, the inner sleeve 202 can be conveniently taken down by adjusting the locking bolt 207, the melt nozzle 200 can be conveniently detached and cleaned, and meanwhile when the melt blowing cloth has uneven thickness, the flow rate of the corresponding melt blowing nozzle 205 can be changed by adjusting the adjusting valve 206 on the melt blowing nozzle 205 at the corresponding position, so that the thickness of the melt blown fabric at the corresponding position can be adjusted.
The rolling mechanism 400 comprises a grooving pressing roller 401, a plurality of evenly distributed rolling grooves 402 are formed in the outer wall of the grooving pressing roller 401, fiber crochet hooks 403 are fixedly arranged at the bottoms of the inner walls of the rolling grooves 402, the top of each fiber crochet hook 403 is bent and arranged, fluff fibers 4 are pulled out through the fiber crochet hooks 403 when the rolling grooves 3 are rolled out, the fiber crochet hooks 403 can be effectively prevented from pulling the integral displacement of the melt-blown cloth, and the processing stability is improved.
Cooling body 300 includes cooler bin 301, the top of cooler bin 301 inner wall alternates and is connected with air-supply line 302, the inner wall fixedly connected with a plurality of filter screen of air-supply line 302, the one end of air-supply line 302 communicates with each other with the output of external high compression pump, the middle part fixed mounting of cooler bin 301 inner wall has condenser pipe 303, one side of condenser pipe 303 communicates with each other with the one end of intake pipe 304, the other end of intake pipe 304 passes one side of cooler bin 301 and communicates with each other with external refrigeration plant's output, the bottom fixed mounting of cooler bin 301 has a plurality of evenly distributed's cold wind nozzle 305, make the polypropylene melt-blown layer 1 can solidify rapidly, be convenient for subsequent processing.
Melt-blown cloth conveyer belt 103's both sides respectively with the middle part fixed connection of two backup pad 104 one sides, the both sides of two backup pad 104 bottoms respectively with the top fixed connection of four support columns 106, four support columns 106 are inside to have all seted up and to accept the groove, four all blocks in the inside of accepting the groove are connected with commentaries on classics board 107, four equal fixedly connected with in the bottom of commentaries on classics board 107 adjust post 108, four bottoms of adjusting post 108 respectively with four base prop 109's inner wall threaded connection, four equal fixedly connected with adjustable rings 110 in middle part of adjusting post 108, scale mark has all been seted up to four bottoms of adjusting post 108 one side, the convenient interval to melt-blown head 200 and melt-blown cloth conveyer belt 103 adjusts, promote and use the flexibility.
The winding mechanism 600 comprises a mounting frame 601, a mounting plate 602 is fixedly connected to the top of the mounting frame 601, a transmission rod 603 is rotatably mounted on one side of the mounting plate 602, one end of the transmission rod 603 penetrates through the mounting plate 602 and is fixedly connected with the output end of a winding motor, a winding roller 604 is slidably connected to the middle of the transmission rod 603, one end of the winding roller 604 is connected with one side of a movable baffle 605 in a clamping manner, a plurality of uniform discharging handles are fixedly connected to the other side of the movable baffle 605, the other end of the transmission rod 603 is connected with the middle of a movable plate in an inserting manner, one side of the bottom of the transmission rod 603 is connected with the top of a side baffle 612 in a clamping manner, a connecting rod is fixedly connected to one side of the side baffle 612, the bottom of the connecting rod is rotatably connected with the top of a bottom plate, a plurality of discharging handles are fixedly connected to the other side of the movable baffle 605, and two connecting plates are arranged between the winding mechanism 600 and the output end of the melt-spraying cloth conveying belt 103 in parallel, a plurality of material guide rollers 606 arranged along the melt-blown fabric conveying path are rotatably arranged between the two connecting plates, so that the melt-blown fabric can be conveniently rolled.
A plurality of sliding blocks 607 which are uniformly distributed along the length direction of the transmission rod 603 are fixed in the middle of the transmission rod 603, a plurality of sliding grooves which are uniformly distributed are formed in the inner wall of the wind-up roll 604, and the tops of the plurality of sliding blocks 607 are respectively connected with the inner walls of the plurality of sliding grooves in a sliding manner; one end of the winding roller 604 is fixedly connected with a clamping plate 608, two ends of one side of the clamping plate 608 are both provided with clamping grooves 609, two ends of one side of the movable baffle 605 are both fixedly connected with clamping blocks 610, and the middle parts of the two clamping blocks 610 are respectively clamped and connected with the inner walls of the two clamping grooves 609; the equal fixedly connected with dog 611 in bottom of two joint pieces 610, and the size of dog 611 is greater than the size of joint piece 610, and some sockets are seted up to the one end of two draw-in grooves 609, and the size of socket and the size phase-match of dog 611 for the operation of unloading to the melt-blown cloth of accomplishing the rolling is more convenient.
The melt-blown fabric conveyer belt 103 comprises a conveyer belt surface 1031, both ends of the top of the inner wall of the conveyer belt surface 1031 are in transmission connection with conveyer belt transmission shafts 1032, both ends of the bottom of the inner wall of the conveyer belt surface 1031 are in insertion connection with conveyer belt guide shafts 1033, the two conveyer belt guide shafts 1033 and the two conveyer belt transmission shafts 1032 are arranged in parallel, and the distance between the two conveyer belt guide shafts 1033 is smaller than the distance between the two conveyer belt transmission shafts 1032; the one end of two backup pads 104 one side respectively with the both ends fixed connection of separator 105, one side of separator 105 sets up to the arc face, and the radian of arc face corresponds with the output of melt-blown fabric conveyer belt 103 and arranges, makes things convenient for the separation between melt-blown fabric and the melt-blown fabric conveyer belt 103.
The electrostatic treatment mechanism 500 comprises an electrostatic treatment box 501, an electrostatic generator 502 is fixedly arranged at one end of the top of the inner wall of the electrostatic treatment box 501, an electrostatic pole-standing bar 503 is rotatably arranged at one end of the top of the inner wall of the electrostatic treatment box 501, and the electrostatic generator 502 is electrically connected with the electrostatic pole-standing bar 503; the both sides of electrostatic treatment case 501 bottom respectively with the one end fixed connection at two backup pad 104 tops, the middle part at two backup pad 104 tops is rotated through the both ends of two first link and fluting compression roller 401 respectively and is connected, the other end at two backup pad 104 tops respectively through the both ends fixed connection of two second links and graphite alkene spraying apparatus 101 for melt and spout the cloth and possess better absorption filter effect to pollutants such as dust.
When the cooling device is used, a molten polypropylene raw material is sprayed onto a melt-blown fabric conveyer belt 103 through a melt-blown nozzle 200 to form a polypropylene melt-blown layer 1, before the polypropylene melt-blown layer 1 is not completely solidified, graphene particles 5 are sprayed onto the top of the polypropylene melt-blown layer 1 through a graphene spraying device 101, then an external refrigeration device conveys cold air into a condensation pipe 303 through an air inlet pipe 304, a high-pressure air pump starts to supply air into a cooling box 301, a plurality of filter screens filter the air fed into the air inlet pipe 302, so that the situation that pollutants such as dust in the air are bonded with the unset polypropylene melt-blown layer 1 to cause difficulty in subsequent removal of the pollutants is avoided, and cold air sent out from a cold air nozzle 305 is blown onto the polypropylene melt-blown layer 1 to rapidly cool the polypropylene melt-blown layer 1; then spraying a hydrophobic coating on the top of the cooled and shaped polypropylene melt-blown layer 1 through a hydrophobic layer coating nozzle 102, and forming a hydrophobic coating 2 on the top of the polypropylene melt-blown layer 1 after the hydrophobic coating is cooled; the grooving press roller 401 rotates, the rolling groove 3 is rolled out from the top of the polyethylene melt-blown layer 1 with the hydrophobic coating 2, meanwhile, the fiber crochet hook 403 arranged in the rolling groove 402 hooks the fibers on the surface of the polyethylene melt-blown layer 1 to form the fluff fibers 4, and then the melt-blown cloth is treated by the static pole-holding rod 503, so that the surface of the melt-blown cloth is charged with static electricity, and the filtering and adsorbing capacity to dust is improved; the rear melt-blown fabric enters a winding mechanism 600 through the guide of a separating plate 105 and a plurality of guide rollers 606, a winding motor drives a transmission rod 603 to rotate, the transmission rod 603 rotates to drive the winding roller 604 to rotate, the melt-blown fabric is wound, when the melt-blown fabric on the winding roller 604 reaches a preset amount, the winding motor is closed, a side baffle 612 is rotated, a movable baffle 605 is pulled out through an unloading handle, a clamping plate 608 and the winding roller 604 are driven to move, a chute is separated from a sliding block 607, the wound melt-blown fabric is taken down and transported to a storage position, the movable baffle 605 is rotated through an unloading handle, the position of a stop block 611 corresponds to the position of an insertion opening, the unloading handle is pulled to separate the movable baffle 605 from the clamping plate 608, the unloading is completed, a new winding roller 604 is taken, the stop block 611 is inserted into the insertion opening of the clamping plate 608 on the new winding roller 604, the movable baffle 605 is rotated, the connection of the wind-up roll 604 is realized through the matching of the clamping plate 608 and the clamping groove 609, and then the sliding groove on the inner wall of the wind-up roll 604 is connected with the sliding block 607 on the transmission rod 603 in a sliding way, then the side baffle 612 is rotated, the top of the side baffle 612 is utilized to carry out auxiliary support on the end part of the transmission rod 603, when the melt-blown fabric has uneven thickness, the flow rate of the corresponding melt blowing nozzle 205 can be changed by adjusting the adjusting valve 206 on the melt blowing nozzle 205 at the corresponding position, so as to realize the adjustment of the thickness of the melt-blown fabric at the corresponding position, when the distance between the melt nozzle 200 and the melt-blown fabric conveyer belt 103 needs to be adjusted, by rotating the adjustment ring 110, the adjustment ring 110 rotates the adjustment post 108, while the base post 109 is fixed, under the effect of screw thread, adjust the rotation of post 108 and become its vertical direction's elevating movement, through observing the scale mark during the regulation, guarantee that four adjust the height of post 108 the same, guarantee the operation steady of melt-blown fabric conveyer belt 103.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The hydrophobic melt-blown fabric comprises a polypropylene melt-blown layer (1) and is characterized in that a hydrophobic coating (2) is coated on the top of the polypropylene melt-blown layer (1), a plurality of rolling grooves (3) are formed in the top of the hydrophobic coating (2), the rolling grooves (3) are arranged in a grid shape in a crossed mode, fluff fibers (4) are fixedly arranged in gaps among the rolling grooves (3), the bottoms of the fluff fibers (4) are fixedly connected with the top of the polypropylene melt-blown layer (1), and graphene particles (5) are bonded in fibers of the polypropylene melt-blown layer (1) in a dispersed mode;
the preparation method of the hydrophobic melt-blown fabric comprises the following steps:
the method comprises the following steps: spraying a molten polypropylene raw material onto a melt-blown fabric conveyor belt (103) through a melt-blown nozzle (200) to form a polypropylene melt-blown layer (1), spraying graphene particles (5) onto the top of the polypropylene melt-blown layer (1) through a graphene spraying device (101) before the polypropylene melt-blown layer (1) is completely solidified, and then blowing air to the polypropylene melt-blown layer (1) through a cooling mechanism (300) for refrigeration to rapidly cool the polypropylene melt-blown layer (1);
step two: spraying a hydrophobic coating on the top of the cooled and shaped polypropylene melt-blown layer (1) through a hydrophobic coating spray head (102), and forming a hydrophobic coating (2) on the top of the polypropylene melt-blown layer (1) after the hydrophobic coating is cooled;
step three: a rolling groove (3) is formed in the top of the polypropylene melt-blown layer (1) with the hydrophobic coating (2) through a rolling mechanism (400), and the fluff fiber (4) is drawn through a fiber crochet needle (403) arranged on the rolling mechanism (400);
step four: carrying out electrostatic generation treatment on the surface of the polypropylene melt-blown layer (1) by an electrostatic treatment mechanism (500);
step five: and winding the prepared melt-blown fabric through a winding mechanism (600).
2. The hydrophobic meltblown fabric according to claim 1, wherein the meltblown nozzle (200) comprises an outer sleeve (201), the inner sleeve (202) is slidably sleeved inside the outer sleeve (201), the top of the inner sleeve (202) is provided with a through hole, a sealing ring (203) is fixedly connected to the inner wall of the through hole, the top of the outer sleeve (201) is fixedly connected with a feed delivery pipe (204), one end of the feed delivery pipe (204) penetrates through the through hole to be communicated with the inside of the inner sleeve (202), the other end of the feed delivery pipe (204) is fixedly connected with the output end of an external screw extruder, the bottom of the inner sleeve (202) is fixedly provided with a plurality of meltblown nozzles (205), the middle parts of the meltblown nozzles (205) are fixedly provided with regulating valves (206), and one side of the outer sleeve (201) is penetratingly connected with locking bolts (207), one end of the locking bolt (207) is fixedly connected with a rubber pad, and one side of the rubber pad is in contact and abutting with one side of the inner sleeve (202).
3. The hydrophobic melt-blown fabric according to claim 1, wherein the rolling mechanism (400) comprises a grooved pressing roller (401), the outer wall of the grooved pressing roller (401) is provided with a plurality of uniformly distributed rolling grooves (402), the bottoms of the inner walls of the plurality of rolling grooves (402) are fixedly provided with fiber barbed needles (403), and the tops of the plurality of fiber barbed needles (403) are arranged in a bent manner.
4. The hydrophobic melt-blown fabric according to claim 1, wherein the cooling mechanism (300) comprises a cooling box (301), an air inlet pipe (302) is inserted and connected to the top of the inner wall of the cooling box (301), a plurality of filter screens are fixedly connected to the inner wall of the air inlet pipe (302), one end of the air inlet pipe (302) is communicated with the output end of an external high-pressure air pump, a condensation pipe (303) is fixedly installed in the middle of the inner wall of the cooling box (301), one side of the condensation pipe (303) is communicated with one end of an air inlet pipe (304), the other end of the air inlet pipe (304) penetrates through one side of the cooling box (301) and is communicated with the output end of an external refrigeration device, and a plurality of uniformly distributed cold air nozzles (305) are fixedly installed at the bottom of the cooling box (301).
5. The hydrophobic meltblown fabric according to claim 1, wherein two sides of the meltblown fabric conveyor belt (103) are fixedly connected with the middle of one side of each of two support plates (104), two sides of the bottom of each of two support plates (104) are fixedly connected with the top of each of four support columns (106), each of four support columns (106) is provided with a receiving groove, each of four receiving grooves is connected with a rotating plate (107) in a clamping manner, each of the bottom of each of four rotating plates (107) is fixedly connected with an adjusting column (108), the bottom of each of four adjusting columns (108) is connected with the inner wall threads of each of four bottom columns (109), each of the middle of each of four adjusting columns (108) is fixedly connected with an adjusting ring (110), and each of four bottom of one side of each adjusting column (108) is provided with a scale mark.
6. The hydrophobic melt-blown fabric according to claim 1, wherein the winding mechanism (600) comprises a mounting frame (601), a mounting plate (602) is fixedly connected to the top of the mounting frame (601), a transmission rod (603) is rotatably mounted on one side of the mounting plate (602), one end of the transmission rod (603) penetrates through the mounting plate (602) and is fixedly connected to the output end of a winding motor, a winding roller (604) is slidably connected to the middle of the transmission rod (603), one end of the winding roller (604) is connected to one side of a movable baffle (605) in a clamping manner, a plurality of uniform discharging handles are fixedly connected to the other side of the movable baffle (605), the other end of the transmission rod (603) is connected to the middle of the movable plate in a penetrating manner, one side of the bottom of the transmission rod (603) is connected to the top of a side baffle (612) in a clamping manner, and a connecting rod is fixedly connected to one side of the side baffle (612), the bottom of connecting rod is rotated with the top of bottom plate and is connected, the opposite side fixedly connected with a plurality of handle of unloading of adjustable fender (605), parallel arrangement has two connecting plates between winding mechanism (600) and melt-blown fabric conveyer belt (103) output, two rotate between the connecting plate and install a plurality of guide roller (606) of arranging along melt-blown fabric conveying route.
7. The hydrophobic melt-blown fabric according to claim 6, wherein a plurality of sliding blocks (607) are fixed in the middle of the transmission rod (603) and are uniformly distributed along the length direction of the transmission rod (603), a plurality of sliding grooves are uniformly distributed on the inner wall of the wind-up roll (604), and the tops of the sliding blocks (607) are respectively connected with the inner walls of the sliding grooves in a sliding manner; one end of the winding roller (604) is fixedly connected with a clamping plate (608), two ends of one side of the clamping plate (608) are respectively provided with a clamping groove (609), two ends of one side of the movable baffle (605) are respectively fixedly connected with a clamping block (610), and the middle parts of the two clamping blocks (610) are respectively connected with the inner walls of the two clamping grooves (609) in a clamping manner; two the equal fixedly connected with dog (611) in bottom of joint piece (610), just the size of dog (611) is greater than the size of joint piece (610), two some sockets are seted up to the one end of draw-in groove (609), the size of socket and the size phase-match of dog (611).
8. The hydrophobic meltblown according to claim 5, wherein the meltblown web (103) comprises a web surface (1031), wherein both ends of the top of the inner wall of the web surface (1031) are in transmission connection with web transmission shafts (1032), both ends of the bottom of the inner wall of the web surface (1031) are in transmission connection with web guide shafts (1033), the two web guide shafts (1033) and the two web transmission shafts (1032) are in parallel arrangement, and the distance between the two web guide shafts (1033) is smaller than the distance between the two web transmission shafts (1032); two the one end of backup pad (104) one side respectively with the both ends fixed connection of separator plate (105), one side of separator plate (105) sets up to the arc face, the radian of arc face with the output of melt-blown fabric conveyer belt (103) corresponds and arranges.
9. The hydrophobic meltblown according to claim 5, wherein the electrostatic treatment mechanism (500) comprises an electrostatic treatment box (501), an electrostatic generator (502) is fixedly mounted at one end of the top of the inner wall of the electrostatic treatment box (501), an electrostatic pole holding rod (503) is rotatably mounted at one end of the top of the inner wall of the electrostatic treatment box (501), and the electrostatic generator (502) is electrically connected with the electrostatic pole holding rod (503); the both sides of electrostatic treatment case (501) bottom respectively with the one end fixed connection at two backup pad (104) tops, two the middle part at backup pad (104) top is rotated through the both ends of two first link and fluting compression roller (401) respectively and is connected, two the other end at backup pad (104) top is respectively through the both ends fixed connection of two second links and graphite alkene spraying apparatus (101).
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| US4863785A (en) * | 1988-11-18 | 1989-09-05 | The James River Corporation | Nonwoven continuously-bonded trilaminate |
| CN1101388A (en) * | 1992-11-17 | 1995-04-12 | 北京市超纶无纺技术公司 | Method for producing composite wadding material by fusion-spraying down and its apparatus and product |
| DE19725749B4 (en) * | 1995-12-19 | 2004-04-22 | Advanced Design Concepts Gmbh | Embossing process for the production of a structured, voluminous fleece |
| WO2006011167A1 (en) * | 2004-07-29 | 2006-02-02 | Orlandi, S.P.A. | Method for manufacturing particularly soft and three dimensional nonwoven and nonwoven thus obtained |
| CN102512881B (en) * | 2011-12-29 | 2014-08-27 | 中国纺织科学研究院 | Composite type fiber filtering material and preparation method thereof as well as filtering bag |
| CN103850056B (en) * | 2014-03-28 | 2016-08-31 | 苏州宝丽洁纳米材料科技股份有限公司 | Embossed nonwoven and manufacture method thereof |
| TWI588089B (en) * | 2015-10-20 | 2017-06-21 | Acelon Chem & Fiber Corp | Method of preparing of graphene-natural cellulose blended meltblown nonwoven fabric |
| KR101791948B1 (en) * | 2015-10-28 | 2017-11-01 | 한국과학기술연구원 | Lignine coating composition and ultrafine fibers including the same |
| JP6901313B2 (en) * | 2016-05-30 | 2021-07-14 | 花王株式会社 | Absorbent article |
| CN206828747U (en) * | 2017-06-13 | 2018-01-02 | 杭州富阳雷讯科技咨询服务有限公司 | Combine more floor height water resistant polyurea propylene non-woven fabrics |
| CN108642595A (en) * | 2018-05-07 | 2018-10-12 | 济南圣泉集团股份有限公司 | A kind of antibacterial thermal insulating mask that antibacterial is meltblown heat-preservation cotton and preparation method thereof and is prepared by it |
| DE102019106995A1 (en) * | 2019-03-19 | 2020-09-24 | Carl Freudenberg Kg | Thermally fixable textile fabric |
| CN111424374B (en) * | 2020-06-10 | 2020-09-22 | 大湾汉唯(广州)医药科技集团有限公司 | Activated carbon composite melt-blown fabric, preparation method thereof and mask |
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