CN112481836A - Wire mesh melt-blown fabric and production process and equipment thereof - Google Patents
Wire mesh melt-blown fabric and production process and equipment thereof Download PDFInfo
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- CN112481836A CN112481836A CN202011394142.2A CN202011394142A CN112481836A CN 112481836 A CN112481836 A CN 112481836A CN 202011394142 A CN202011394142 A CN 202011394142A CN 112481836 A CN112481836 A CN 112481836A
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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
- D04H13/00—Other non-woven fabrics
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
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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
- D04H1/56—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 in association with fibre formation, e.g. immediately following extrusion of staple fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to the field of melt-blown fabric production and processing, in particular to a wire mesh melt-blown fabric and a production process and equipment thereof; the invention enables the polymer fiber to be bonded on the mesh cloth, thereby solving the problem that the prior melt-blown cloth has no toughness and tensile resistance; the invention adds the eyelet fabric, so that the polypropylene fiber is bonded on the eyelet fabric, and the characteristics of good air permeability, unique elastic function and wear resistance and applicability of the eyelet fabric are utilized, so that the wire mesh melt-blown fabric is firmer and can bear high-strength tension and tear, and the wire mesh melt-blown fabric has the characteristics of high strength, strong tensile resistance, toughness and the like.
Description
Technical Field
The invention relates to the field of melt-blown fabric production and processing, in particular to wire mesh melt-blown fabric and a production process and equipment thereof.
Background
The melt-blown non-woven process is a non-woven fabric which is formed by drafting polymer melt trickle extruded from spinneret orifices by utilizing high-speed hot air so as to form superfine fibers, jetting the superfine fibers on a collecting device and bonding the superfine fibers by self.
The melt-blown cloth is the most core material of the mask, the melt-blown cloth mainly takes polypropylene as a main raw material, and the diameter of the fiber can reach 1-5 microns; the melt-blown fabric has the advantages of multiple gaps, fluffy structure and good wrinkle resistance, and 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 filterability, shielding property, heat insulation property and oil absorption property.
The main material of the common melt-blown fabric in the market at present also adopts polypropylene fiber, the material has more gaps, a fluffy structure and a unique capillary structure, so that the surface area of the material is large, and the material is beneficial to filtration.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a wire mesh meltblown fabric, which is formed by spraying a polymer melt onto a mesh fabric, and polypropylene fibers are bonded on the mesh fabric by adding the mesh fabric, so that the wire mesh meltblown fabric is firmer and can bear high-strength tension and tear by utilizing the characteristics of good air permeability, unique elastic function and wear resistance and applicability of the mesh fabric, and has the characteristics of high strength, strong tensile resistance, toughness and the like; the invention also provides a production process and equipment for the wire mesh melt-blown fabric.
The technical scheme for solving the technical problem is as follows:
a wire mesh meltblown fabric is formed by spraying a melt of a polymer onto a scrim.
The improved fabric comprises a mesh fabric layer and a melt-blown layer, wherein the melt-blown layer is bonded on the mesh fabric layer.
A production process of wire mesh melt-blown cloth comprises the following steps:
step S1, blowing by a blower unit, blowing air into an air heater for heating, and introducing hot air into a melt-blowing device by the air heater;
step S2, feeding the polymer into a hopper, and feeding the polymer into an extruder from the hopper;
s3, extruding and filtering the polymer by the extruder to obtain polymer powder, and conveying the polymer powder into the melt-blowing device;
step S4, heating the polymer powder to obtain a melt of the polymer;
step S5, spraying the melt of the polymer on the mesh fabric;
and step S6, winding the eyelet fabric to obtain wire mesh melt-blown fabric.
As a modification of the present invention, in step S1, the blower unit communicates with a silencer, and the silencer communicates with the air heater through a blowing duct.
As a further improvement of the invention, the air heater is connected with the melt-blowing device through a heat-resistant pipeline.
As a further improvement of the present invention, in step S2, a first air suction device is provided in the hopper, and the polymer is sucked into the hopper.
As a further improvement of the present invention, in step S4, the melt-blowing apparatus includes a melt-blowing body and a heating mechanism disposed in the melt-blowing body, and polymer powder is heated in the melt-blowing body to obtain a polymer melt.
As a further improvement of the present invention, in step S6, the eyelet fabric is conveyed while being flattened and then wound.
The production equipment of the wire mesh meltblown fabric comprises a blower unit for blowing air, an air heater for heating air, an extruding machine for extruding and filtering a polymer, a meltblown device for heating the polymer to spray polymer melt, an unreeling meltblown unit for unreeling the eyelet fabric and a reeling unit for reeling the eyelet fabric sprayed with the polymer melt, wherein the air heater is used for heating the air; the blowing unit is connected with the air heater, the extruding machine is communicated with the melt-blowing device, the air heater is communicated with the melt-blowing device, and the melt-blowing device sprays polymer melt on the mesh cloth unreeled by the unreeling melt-blowing unit in the form of superfine fibers.
As an improvement of the present invention, the blower unit is communicated with a silencer, and the silencer is communicated with the air heater through a blast pipe.
The invention enables the polymer fiber to be bonded on the mesh cloth, thereby solving the problem that the prior melt-blown cloth has no toughness and tensile resistance; the invention adds the eyelet fabric, so that the polypropylene fiber is bonded on the eyelet fabric, and the characteristics of good air permeability, unique elastic function and wear resistance and applicability of the eyelet fabric are utilized, so that the wire mesh melt-blown fabric is firmer and can bear high-strength tension and tear, and the wire mesh melt-blown fabric has the characteristics of high strength, strong tensile resistance, toughness and the like.
Drawings
For ease of illustration, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a third schematic structural view of the present invention;
FIG. 4 is a front view of FIG. 1;
FIG. 5 is a left side view of FIG. 1;
FIG. 6 is a right side view of FIG. 1;
FIG. 7 is a top view of FIG. 1;
FIG. 8 is a schematic view of the connection of the blower unit, air heater, extruder and meltblowing apparatus of the present invention;
FIG. 9 is a front view of FIG. 8;
FIG. 10 is a left side view of FIG. 8;
FIG. 11 is a right side view of FIG. 8;
FIG. 12 is a top view of FIG. 8;
FIG. 13 is a first schematic structural diagram of an unreeling melt-blowing unit according to the present invention;
FIG. 14 is a second schematic structural diagram of the unwinding meltblown unit according to the present invention;
FIG. 15 is a front view of FIG. 13;
FIG. 16 is a left side view of FIG. 13;
FIG. 17 is a right side view of FIG. 13;
FIG. 18 is a top view of FIG. 13;
FIG. 19 is a first schematic structural diagram of a winding unit according to the present invention;
FIG. 20 is a second schematic structural view of a winder set according to the present invention;
FIG. 21 is a front view of FIG. 19;
FIG. 22 is a left side view of FIG. 19;
FIG. 23 is a right side view of FIG. 19;
FIG. 24 is a top view of FIG. 19;
reference numerals: 1-blower unit, 11-mounting seat, 12-blower motor, 13-reduction gearbox, 14-belt, 15-blower, 16-connecting flange, 2-air heater, 21-heat-resistant pipeline, 3-extruder, 31-hopper, 32-first air suction device, 33-first air suction fan, 34-first air suction pipeline, 35-suction pipe, 4-melt blowing device, 41-melt-blown body, 42-melt-blowing nozzle, 43-connecting port, 5-unreeling melt-blown unit, 51-unreeling machine frame, 511-first cross frame, 512-second cross frame, 513-third cross frame, 514-first cross frame, 515-second cross frame, 52-unreeling device, 521-unreeling reel, 522-unreeling bearing seat, 53-a conveyor belt device, 531-a conveyor motor, 532-a conveyor belt, 533-a first rotating roller, 534-a second rotating roller, 535-a third rotating roller, 536-a fourth rotating roller, 537-a fifth rotating roller, 538-a sixth rotating roller, 539-a first rotating bearing block, 540-a second rotating bearing block, 541-a third rotating bearing block, 542-a fourth rotating bearing block, 543-a fifth rotating bearing block, 544-a sixth rotating bearing block, 54-a second air suction device, 541-a second air suction fan, 542-a second air suction duct, 543-an inner suction frame, 6-a winding machine set, 61-a winding frame, 62-a first winding roller, 63-a second winding roller, 64-a third winding roller, 65-a fourth winding roller, 66-a fifth winding roller, 67-a winding roller, 68-a clamping wheel, 69-an inclined tripod, 7-a silencer and 71-an air supply pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 24, a wire mesh meltblown fabric of the present invention is formed by spraying a polymer melt onto a scrim, and includes a scrim layer and a meltblown layer, wherein the meltblown layer is bonded to the scrim layer, the scrim layer is composed of a scrim, and the meltblown layer is formed by heating and melt-blowing the polymer melt onto the scrim layer, and bonding the polymer melt to form ultrafine fibers, wherein the polymer is polypropylene.
The main material of the common melt-blown fabric in the market at present also adopts polypropylene fiber, the material has more gaps, a fluffy structure and a unique capillary structure, so that the surface area of the material is large, and the material is beneficial to filtration.
In the invention, the polypropylene fiber is bonded on the eyelet fabric, thereby solving the problem that the polypropylene has no toughness and tensile resistance; the invention adds the eyelet fabric, so that the polypropylene fiber is bonded on the eyelet fabric, and the characteristics of good air permeability, unique elastic function and wear resistance and applicability of the eyelet fabric are utilized, so that the wire mesh melt-blown fabric is firmer and can bear high-strength tension and tear, and the wire mesh melt-blown fabric has the characteristics of high strength, strong tensile resistance, toughness and the like.
The wire mesh melt-blown fabric can be applied to clothing materials and materials for living decoration, has the characteristics of good filterability of the existing melt-blown fabric and the elasticity function of mesh fabric in the clothing material industry, has stronger plasticity for product forms, such as products in forms of protective cloaks, protective gowns, Chinese clothes and the like, can meet the material requirements, and can play a necessary role in protection and isolation when used in a slightly polluted environment; in the field of materials for living decoration, living goods such as bed sheets, pillow cases, disposable sleeping bags and the like which can be made of the wire mesh melt-blown fabric are better choices for users with higher requirements on sanitary protection, and the products can provide effective protection functions and realize the value of sanitary protection in the aspects of business trips, outdoor travel, medical sanitation and the like.
In the present invention, the mesh fabric can be 500 to 1000 mesh, and preferably, the mesh fabric is 890 mesh.
In the invention, a production process of wire mesh melt-blown cloth comprises the following steps:
step S1, blowing by the blower unit 1, blowing air into the air heater 2 for heating, and introducing hot air into the melt-blowing device 4 by the air heater 2;
step S2, feeding the polymer into a hopper 31 and feeding the polymer into an extruder 3 from the hopper 31;
s3, extruding and filtering the polymer by an extruder 3 to obtain polymer powder, and then conveying the polymer powder into a melt-blowing device 4;
step S4, heating the polymer powder to obtain a melt of the polymer;
step S5, spraying the melt of the polymer on the mesh cloth 8;
and step S6, rolling the eyelet fabric 8 to obtain wire mesh melt-blown fabric.
In step S1, the blower unit 1 communicates with the silencer 7, the silencer 7 communicates with the air heater 2 through the air supply duct 71, and the air heater 2 is connected to the meltblowing device 4 through the heat-resistant duct 21; specifically, the blower unit 1 comprises a mounting seat 11, a blower motor 12 and a reduction gearbox 13 which are mounted in the mounting seat 11, wherein the blower motor 12 is connected with the reduction gearbox 13 through a belt 14, a blower 15 is mounted on the reduction gearbox 13, the reduction gearbox 13 is connected with a silencer 7 through a connecting flange 16, and the silencer 7 is communicated with the air heater 2 through an air supply pipeline 71; the blower unit 1 is internally started by a blower motor 12 to drive a reduction box 13 to work, so that a blower 15 blows air, the air is silenced by a silencer 7 and then is sent into the air heater 2, and the silencer 7 performs silencing.
In step S2, a first air suction device 32 is provided in the hopper 21, and the polymer is sucked into the hopper 31, specifically, the first air suction device 32 includes a first air suction fan 33 and a first air suction duct 34, and the first air suction fan 33 generates a negative pressure to suck the polymer particles from the suction pipe 35 into the hopper 31 through the first air suction duct 34.
In step S3, the extruder 3 extrudes and filters the polypropylene particles to obtain polypropylene powder, which is then conveyed to the melt blowing apparatus 4.
In step S4, the melt-blowing apparatus 4 includes a melt-blowing body 41 and a heating mechanism disposed in the melt-blowing body 41, and polypropylene powder is heated in the melt-blowing body 41 to obtain a melt of polypropylene; specifically, the melt-blowing device 4 comprises a melt-blowing body 41 and a heating mechanism arranged in the melt-blowing body 41, polymer powder is heated in the melt-blowing body 41 to obtain a polymer melt, the heating mechanism comprises a second heating wire, a melt-blowing port 42 is arranged on the melt-blowing body 41, the polymer melt is blown out at the melt-blowing port 42 and is blown onto the mesh fabric 8 unreeled by the unreeling melt-blowing unit 5 in an ultrafine fiber form, connecting ports 43 are uniformly arranged on the upper surface and the lower surface of the melt-blowing body 41, each connecting port 43 is connected with the air heater 2 through a heat-resistant pipeline 21, and in the melt-blowing device 4, the melt-blowing body 41 is heated, and meanwhile, the air heater 2 delivers hot air to each connecting port 43 through the heat-resistant pipeline 21 to uniformly heat and melt the polypropylene powder, and then the polypropylene powder is blown out from the melt-blowing port.
In step S5, the unwinding device 52 includes an unwinding cylinder 521 and unwinding shaft holders 522 on which the mesh fabric 8 is wound, the two unwinding shaft holders 522 are respectively connected to the third cross frame 513, two ends of the unwinding cylinder 521 are coupled to the two unwinding shaft holders 522, and the unwinding cylinder 521 can rotate, so as to pull the mesh fabric 8 onto the conveyor belt 532 and then onto the winding unit 6, so that the mesh fabric 8 is wound after being bonded with the polypropylene fiber; specifically, the conveyor belt device 53 includes a conveyor motor 531, a conveyor belt 532, a first rotating roller 533, a second rotating roller 534, a third rotating roller 535, a fourth rotating roller 536, a fifth rotating roller 537, and a sixth rotating roller 538, the conveyor motor 531 is connected to the first rotating roller 533, both ends of the first rotating roller 533 are respectively connected to the end of the first traverse frame 511 through a first rotating bearing bracket 539, both ends of the second rotating roller 534 are respectively connected to the bottom of the middle portion of the first traverse frame 511 through a second rotating bearing bracket 540, both ends of the third rotating roller 535 are respectively connected to the top of the middle portion of the second traverse frame 512 through a third rotating bearing bracket 541, the third rotating roller 535 is positioned further forward than the second rotating roller 534, both ends of the fourth rotating roller 536 are respectively connected to the inside 537 of the first vertical frame 514 through a fourth rotating bearing bracket 542, both ends of the fifth rotating roller 514 are respectively connected to the outside of the first vertical frame 543 through a fifth rotating bearing bracket 543, the position of the fifth rotating roller 537 is higher than that of the fourth rotating roller 536, both ends of the sixth rotating roller 538 are respectively connected to the front end of the first cross frame 511 through sixth rotating bearing seats 544, the sixth rotating roller 538 is horizontally parallel to the first rotating roller 533, the conveyor belt 532 is connected to the first rotating roller 533, the second rotating roller 534, the third rotating roller 535, the fourth rotating roller 536, the fifth rotating roller 537 and the sixth rotating roller 538, the conveyor motor 531 drives the first rotating roller 533 to rotate, and the conveyor belt 532 is driven to circularly convey on the first rotating roller 533, the second rotating roller 534, the third rotating roller 535, the fourth rotating roller 536, the fifth rotating roller 537 and the sixth rotating roller 538; the eyelet fabric 8 is drawn to the conveyer belt 532, draw again to the rolling unit 6 on, moreover, the second device 54 that induced drafts includes second suction fan 541, second air suction pipeline 542 and the frame 543 of induced drafting, the frame 543 of induced drafting is connected on first erects frame 514, induced draft frame 543 is in the rear side of conveyer belt 532 and just to melting spout 42, second suction fan 541 is connected with the frame 543 of induced drafting through second air suction pipeline 542, second suction fan 541 starts to induced draft, the frame 543 of induced drafting will melt on the eyelet fabric 8 of spout 42 spun inhales and pulls on the conveyer belt 532, thereby make the ultra-fine fibre of polypropylene adhere on eyelet fabric 8, eyelet fabric 8 follows the conveyer belt and conveys forward, roll up on the rolling unit 6 again.
In step S6, the eyelet fabric 8 is conveyed and leveled at the same time, and then wound, specifically, the winding unit 6 includes a winding frame 61, and a first winding roller 62, a second winding roller 63, a third winding roller 64, a fourth winding roller 65, a fifth winding roller 66 and a winding drum 67 connected to the winding frame 61, the first winding roller 62, the third winding roller 64, the fourth winding roller 65, the second winding roller 63 and the fifth winding roller 66 are respectively arranged at heights from low to high, an adjusting device is connected to the end of the winding frame 61, the adjusting device includes an inclined tripod 69, and two ends of the winding drum 67 are respectively provided with a clamping wheel 68 moving on the inclined tripod 69; specifically, the mesh cloth 8 of the polypropylene-bonded ultrafine fibers is drawn out from the conveyor 532 to a first winding roller 62, a second winding roller 63, a third winding roller 64, a fourth winding roller 65 and a fifth winding roller 66 respectively, and the mesh cloth 8 is made to be flatter, stretched straighter and not easy to fold and wrinkle by setting different heights of the winding rollers, and is finally wound on a winding drum 67, and two top wheels are arranged on the fourth winding roller 65 for jacking up the mesh cloth 8 and straightening the mesh cloth; in order to better wind, the height of the winding drum 67 is adjusted by the inclined tripod 69, the clamping wheel 68 on the winding drum 67 can be clamped on the inclined tripod 69 to slide, when the winding mesh cloth on the winding drum 67 is thicker and thicker, the winding drum 67 can slide backwards, and meanwhile, a counterweight object is hung on the clamping wheel 68, so that the winding drum 67 is hung on the inclined tripod 69, and the winding drum 67 is convenient to wind.
The invention provides production equipment for wire mesh meltblown cloth, which comprises a blower unit 1 for blowing air, an air heater 2 for heating air, an extruding machine 3 for extruding and filtering polymer, a melt-blowing device 4 for heating the polymer to spray polymer melt, an unreeling melt-blowing unit 5 for unreeling the mesh cloth, and a reeling unit 6 for reeling the mesh cloth 8 sprayed with the polymer melt.
The blowing unit 1 is connected with the air heater 2, the extruding machine 3 is communicated with the melt-blowing device 4, the air heater 2 is communicated with the melt-blowing device 4, and the melt-blowing device 4 sprays the melt of the polymer on the mesh cloth 8 unreeled by the unreeling melt-blowing unit 5 in the form of superfine fibers; further, the blower unit 1 communicates with a silencer 7, and the silencer 7 communicates with the air heater 2 through an air supply duct 71; in particular, the method of manufacturing a semiconductor device,
the blower unit 1 comprises a mounting seat 11, a blower motor 12 and a reduction gearbox 13, wherein the blower motor 12 and the reduction gearbox 13 are mounted in the mounting seat 11, the blower motor 12 is connected with the reduction gearbox 13 through a belt 14, a blower 15 is mounted on the reduction gearbox 13, the reduction gearbox 13 is connected with a silencer 7 through a connecting flange 16, and the silencer 7 is communicated with the air heater 2 through an air supply pipeline 71; the blower unit 1 is internally started by the blower motor 12 to drive the reduction gearbox 13 to work, so that the blower 15 blows air, the air is silenced through the silencer 7 and then is sent into the air heater 2, and the silencer 7 performs silencing to reduce working noise in a workshop.
In the present invention, a hopper 31 is connected to an extruder 3, a first air suction device 32 is disposed in the hopper 31, polymer particles are sucked into the hopper 31, the polymer is in a particle state and is conveniently sucked into the hopper, the first air suction device 32 includes a first air suction machine 33 and a first air suction pipeline 34, the first air suction machine 33 generates negative pressure to suck the polymer particles from an air suction pipe 35 so as to enter the hopper 31 through the first air suction pipeline 34, because the air suction pipe 35 is relatively long and has a large aperture, the illustration in fig. 4 is simplified, and the displayed air suction pipe 35 is relatively short.
In the invention, a first heating wire is arranged in an air heater 2, the air heater 2 is connected with a melt-blowing device 4 through a plurality of heat-resistant pipelines 21, specifically, the melt-blowing device 4 comprises a melt-blowing body 41 and a heating mechanism arranged in the melt-blowing body 41, polymer powder is heated in the melt-blowing body 41 to obtain a polymer melt, the heating mechanism comprises a second heating wire, a melt-blowing port 42 is arranged on the melt-blowing body 41, the polymer melt is sprayed out at the melt-blowing port 42 and sprayed on mesh cloth 8 unreeled by an unreeling melt-blowing unit 5 in an ultrafine fiber mode, connecting ports 43 are uniformly arranged on the upper surface and the lower surface of the melt-blowing body 41, and each connecting port 43 is connected with the air heater 2 through a heat-resistant pipeline 21.
In the present invention, the unreeling melt blowing unit 5 includes an unreeling frame 51, and an unreeling device 52, a conveyor belt device 53 and a second air suction device 53 connected to the unreeling frame 51, the unreeling frame 51 is provided with a first cross frame 511, a second cross frame 512 and a third cross frame 513 from top to bottom, and the unreeling frame 51 is provided with a first vertical frame 514 and a second vertical frame 515 from front to back.
Specifically, the unwinding device 52 includes an unwinding cylinder 521 and an unwinding shaft holder 522, the unwinding shaft holder 522 is respectively connected to the third cross frame 513, two ends of the unwinding cylinder 521 are coupled to the two unwinding shaft holders 522, and the unwinding cylinder 521 can rotate, so as to pull the eyelet fabric 8 onto the conveyor 532 and then onto the winding unit 6, so that the eyelet fabric 8 is wound after being bonded with the polypropylene fiber.
In the present invention, the conveyor belt device 53 includes a conveyor motor 531, a conveyor belt 532, a first rotating roller 533, a second rotating roller 534, a third rotating roller 535, a fourth rotating roller 536, a fifth rotating roller 537, and a sixth rotating roller 538, the conveyor motor 531 is connected to the first rotating roller 533, both ends of the first rotating roller 533 are respectively connected to the end of the first traverse frame 511 through a first rotating bearing mount 539, both ends of the second rotating roller 534 are respectively connected to the bottom of the middle portion of the first traverse frame 511 through a second rotating bearing mount 540, both ends of the third rotating roller 535 are respectively connected to the top of the middle portion of the second traverse frame 512 through a third rotating bearing mount 541, the third rotating roller 535 is positioned further forward than the second rotating roller 534, both ends of the fourth rotating roller 536 are respectively connected to the inside of the first vertical frame 514 through a fourth rotating bearing mount 542, both ends of the fifth rotating roller are respectively connected to the outside of the first vertical frame 514 through a fifth rotating bearing mount 543, the position of the fifth rotating roller 537 is higher than that of the fourth rotating roller 536, both ends of the sixth rotating roller 538 are respectively connected to the front end of the first cross frame 511 through sixth rotating bearing seats 544, the sixth rotating roller 538 is horizontally parallel to the first rotating roller 533, the conveyor belt 532 is connected to the first rotating roller 533, the second rotating roller 534, the third rotating roller 535, the fourth rotating roller 536, the fifth rotating roller 537 and the sixth rotating roller 538, the conveyor motor 531 drives the first rotating roller 533 to rotate, and the conveyor belt 532 is driven to circularly convey on the first rotating roller 533, the second rotating roller 534, the third rotating roller 535, the fourth rotating roller 536, the fifth rotating roller 537 and the sixth rotating roller 538; the eyelet fabric 8 is pulled to the conveyor belt 532 and then pulled to the winding unit 6, after the eyelet fabric 8 is bonded with the polypropylene fiber, the eyelet fabric 8 is conveyed forwards along with the conveyor belt, and then is wound on the winding unit 6.
For convenience, the polypropylene fibers are better melt-blown on the eyelet fabric 8, the second air suction device 54 comprises a second air suction machine 541, a second air suction pipe 542 and an air suction frame 543, the air suction frame 543 is connected to the first vertical frame 514, the air suction frame 543 is located at the rear side of the conveyor belt 532 and is opposite to the melt-blowing opening 42, the second air suction machine 541 is connected with the air suction frame 543 through the second air suction pipe 542, the second air suction machine 541 starts air suction, the air suction frame 543 sucks the superfine fibers sprayed out from the melt-blowing opening 42 onto the eyelet fabric 8 drawn on the conveyor belt 532, and therefore the superfine fibers of the polypropylene are bonded on the eyelet fabric 8.
In the invention, the winding machine set 6 comprises a winding frame 61, a first winding roller 62, a second winding roller 63, a third winding roller 64, a fourth winding roller 65, a fifth winding roller 66 and a winding drum 67 which are connected to the winding frame 61, the first winding roller 62, the third winding roller 64, the fourth winding roller 65, the second winding roller 63 and the fifth winding roller 66 are respectively arranged at the heights from low to high, an adjusting device is connected to the tail end of the winding frame 61, the adjusting device comprises an inclined triangular frame 69, and clamping wheels 68 moving on the inclined triangular frame 69 are arranged at two ends of the winding drum 67; specifically, the mesh cloth 8 of the polypropylene-bonded ultrafine fibers is drawn out from the conveyor 532 to a first winding roller 62, a second winding roller 63, a third winding roller 64, a fourth winding roller 65 and a fifth winding roller 66 respectively, and the mesh cloth 8 is made to be flatter, stretched straighter and not easy to fold and wrinkle by setting different heights of the winding rollers, and is finally wound on a winding drum 67, and two top wheels are arranged on the fourth winding roller 65 for jacking up the mesh cloth 8 and straightening the mesh cloth; in order to better wind, the height of the winding drum 67 is adjusted by the inclined tripod 69, the clamping wheel 68 on the winding drum 67 can be clamped on the inclined tripod 69 to slide, when the winding mesh cloth on the winding drum 67 is thicker and thicker, the winding drum 67 can slide backwards, and meanwhile, a counterweight object is hung on the clamping wheel 68, so that the winding drum 67 is hung on the inclined tripod 69, and the winding drum 67 is convenient to wind.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The wire mesh meltblown fabric is characterized in that the wire mesh meltblown fabric is formed by spraying a polymer melt onto a mesh fabric.
2. The wire mesh meltblown fabric of claim 1, comprising an scrim layer and a meltblown layer, wherein said meltblown layer is bonded to said scrim layer.
3. A production process of wire mesh melt-blown cloth is characterized by comprising the following steps:
step S1, blowing by a blower unit, blowing air into an air heater for heating, and introducing hot air into a melt-blowing device by the air heater;
step S2, feeding the polymer into a hopper, and feeding the polymer into an extruder from the hopper;
s3, extruding and filtering the polymer by the extruder to obtain polymer powder, and conveying the polymer powder into the melt-blowing device;
step S4, heating the polymer powder to obtain a melt of the polymer;
step S5, spraying the melt of the polymer on the mesh fabric;
and step S6, winding the eyelet fabric to obtain wire mesh melt-blown fabric.
4. The process of claim 3, wherein in step S1, the blower set is in communication with a silencer, and the silencer is in communication with the air heater through a blower duct.
5. The process of claim 4, wherein the air heater is connected to the melt blowing apparatus by a heat resistant conduit.
6. The process of claim 5, wherein in step S2, the hopper is provided with a first air-absorbing device, and the polymer is absorbed into the hopper.
7. The process of claim 6, wherein in step S4, the melt blowing apparatus comprises a melt blowing body and a heating mechanism disposed in the melt blowing body, and the polymer powder is heated in the melt blowing body to obtain a polymer melt.
8. The process of claim 7, wherein in step S6, the mesh fabric is transported and flattened and then wound.
9. The production equipment of the wire mesh meltblown is characterized by comprising a blower unit for blowing air, an air heater for heating air, an extruding machine for extruding and filtering a polymer, a meltblown device for heating the polymer to spray polymer melt, an unreeling meltblown unit for unreeling the eyelet fabric and a reeling unit for reeling the eyelet fabric sprayed with the polymer, wherein the air heater is used for heating the air; the blowing unit is connected with the air heater, the extruding machine is communicated with the melt-blowing device, the air heater is communicated with the melt-blowing device, and the melt-blowing device sprays polymer melt on the mesh cloth unreeled by the unreeling melt-blowing unit in the form of superfine fibers.
10. The apparatus of claim 9, wherein said blower assembly is in communication with a silencer, said silencer being in communication with said air heater via a supply duct.
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| CN202011394142.2A CN112481836A (en) | 2020-12-02 | 2020-12-02 | Wire mesh melt-blown fabric and production process and equipment thereof |
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| CN202011394142.2A CN112481836A (en) | 2020-12-02 | 2020-12-02 | Wire mesh melt-blown fabric and production process and equipment thereof |
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