CN114059358A - Apparatus and method for manufacturing non-woven fabric - Google Patents
Apparatus and method for manufacturing non-woven fabric Download PDFInfo
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- CN114059358A CN114059358A CN202010757883.6A CN202010757883A CN114059358A CN 114059358 A CN114059358 A CN 114059358A CN 202010757883 A CN202010757883 A CN 202010757883A CN 114059358 A CN114059358 A CN 114059358A
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- negative pressure
- feeding
- pressure roller
- fiber
- sensor
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims description 90
- 239000002657 fibrous material Substances 0.000 claims description 23
- 238000005507 spraying Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- -1 polypropylene Polymers 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 description 22
- 239000007921 spray Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 210000003746 feather Anatomy 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- 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
- D04H1/02—Cotton wool; Wadding
-
- 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
-
- 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
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- 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
-
- 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
- D04H1/55—Polyesters
-
- 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
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
- D06N3/009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin by spraying components on the web
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
- D06N3/144—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer with polyurethane and polymerisation products, e.g. acrylics, PVC
-
- 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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
-
- 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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to a non-woven fabric manufacturing device and a manufacturing method thereof, comprising the following steps: the feeding device comprises at least one group of feeding devices, each group of feeding devices comprises a body, a control unit, a feeding valve, a first sensor, a second sensor and a feeding pump, the feeding valve, the first sensor, the second sensor and the feeding pump are respectively electrically connected with the control unit, the body is provided with an opening, the opening and the feeding pump are oppositely arranged at two ends of the body, the feeding valve is arranged between the opening and the feeding pump, the first sensor is arranged below the feeding valve, and the second sensor is arranged between the first sensor and the feeding pump; the negative pressure roller is positioned below the feeding pump, a plurality of through holes are arranged on the peripheral surface of the negative pressure roller in a penetrating manner, a negative pressure element and a baffle are arranged in the negative pressure roller, the negative pressure element is communicated with the through holes, and the baffle is positioned at the lower half part of the negative pressure roller and closes one part of the through holes; the conveying belt is positioned below the negative pressure roller; a heating device, which comprises an air supply element positioned above the conveying belt.
Description
Technical Field
The invention relates to a non-woven fabric manufacturing device and a manufacturing method thereof.
Background
Currently, commercially available filled fabrics are generally produced by cutting surface cloth and inner cloth into cut pieces according to a pattern, sewing a plurality of filling cells on each cut piece according to a predetermined pattern, filling down or other thermal fiber materials into the filling cells, and assembling the cut pieces filled with the down or fibers into a final finished product. Whether down or thermal fiber materials, the filling grids must be relied on to fix the positions of the down or thermal fiber materials, and the down or thermal fiber materials must be filled one by one during filling, so the processing procedure is quite complicated.
Such filled fabrics are typically in a high humidity environment during use and also emit moisture from the user's body during use, so that the filled down or fibers come into contact with a large amount of moisture, causing the down and the insulating fiber material to stick to each other due to the moisture; in addition, such filled fabrics are often cleaned by washing with water. Whether the down feather is contacted with moisture in the air or directly washed by water, the down feather or the fibers in the filling grids are easy to shift or deform, so that the hand feeling, the appearance and the heat preservation effect of the filling type fabrics (such as clothes, quilts and the like) are poor. In addition, since the cut pieces themselves need to be sewn, pinholes may be formed in the cloth, and the down or fiber may run out of the gaps between the fibers of the cover cloth and the pinholes of the sewing (this phenomenon is commonly referred to as feather running), and the amount of the down or fiber in the filling cells may be reduced after a long time use.
As can be seen from the above, the commercially available filling fabrics are not only cumbersome in processing procedure, but also inconvenient in subsequent use and maintenance, resulting in insufficient service life of the filling fabrics. Accordingly, there is a need for a process and apparatus that simplifies the processing requirements and produces a new type of filled fabric that is not easily displaced, deformed or linted.
Disclosure of Invention
The invention aims to provide a non-woven fabric manufacturing device and a manufacturing method, which can manufacture a down-like non-woven fabric material with textures, simplify the processing flow of filled fabrics and enable the filled fabrics to keep the original appearance and the warm-keeping effect after being cleaned.
To achieve the above object, the present invention provides a nonwoven fabric manufacturing apparatus, comprising: the feeding device comprises at least one group of feeding devices, wherein each group of feeding devices comprises a body, a control unit, a feeding valve, a first sensor, a second sensor and a feeding pump, the feeding valve, the first sensor, the second sensor and the feeding pump are respectively electrically connected with the control unit, the body is provided with an opening, the opening and the feeding pump are oppositely arranged at two ends of the body, the feeding valve is arranged between the opening and the feeding pump, the first sensor is arranged below the feeding valve, and the second sensor is arranged between the first sensor and the feeding pump; the negative pressure roller is positioned below the feeding pump, a plurality of through holes are arranged on the peripheral surface of the negative pressure roller in a penetrating manner, a negative pressure element and a baffle are arranged in the negative pressure roller, the negative pressure element is communicated with the through holes, and the baffle is positioned at the lower half part of the negative pressure roller and closes one part of the through holes; a conveyer belt, it locates below the negative pressure cylinder; and a heating device which comprises an air supply element positioned above the conveying belt.
By the technical means, the invention can produce the down-like non-woven fabric material with the texture to replace the filling material in the conventional filling type fabric. The lines of the down-like non-woven fabric material are designed according to a target product, so that the processing flow of the filled fabric can be simplified, and the filled fabric can still keep the original appearance and the warm-keeping effect after being cleaned.
In some embodiments of the present invention, the body is a feed tube. In some embodiments of the invention, the opening of the body may be connected to a fibrous stock tank.
In some embodiments of the present invention, the nonwoven fabric manufacturing apparatus comprises 2 to 10 sets of feeding devices, wherein the negative pressure roller is located below the feeding pumps. In some embodiments of the present invention, the nonwoven fabric manufacturing apparatus comprises 2 sets to 7 sets, or 3 sets to 5 sets of feeding devices. In some embodiments of the invention, the opening of the body of each set of feed devices may be connected to a fibrous feedstock trough.
In certain embodiments of the invention, a fibrous material is fed from the opening. In some embodiments of the present invention, the fiber material will stay outside (near the opening) of the inlet valve after being fed through the opening; when the feeding valve is opened, the fiber raw material can pass through the feeding valve and sequentially passes through the sensing ranges of the first sensor and the second sensor, and finally is sent to the feeding pump.
In some embodiments of the present invention, the feeding device may further comprise a pressurizing element located outside (near the opening side) of the feeding valve and electrically connected to the control unit; the pressing element can provide an additional feeding pressure to assist in conveying the fiber raw material to the feeding pump. In some embodiments of the present invention, the pressure provided by the pressing element is wind pressure. In some embodiments of the invention, the feed device is located between the feed valve and the fibrous feedstock trough.
In some embodiments of the present invention, the first sensor and the second sensor are electric eyes. In some embodiments of the present invention, the first sensor and the second sensor are capable of sensing a fiber stacking height of the feeding device within their respective sensing ranges, and transmitting the obtained fiber stacking height information to the control unit, respectively, to determine the opening or closing of the feeding valve.
In some embodiments of the present invention, a feeding port is disposed below the feeding pump, and the fiber material is fed to the surface of the negative pressure roller through the feeding port for stacking. In some embodiments of the present invention, the feeding port is rectangular, and the length direction of the feeding port is parallel to the rotation axis direction of the negative pressure roller. In some embodiments of the present invention, the feeding port is rectangular, and the length direction of the feeding port is parallel to the rotating shaft direction of the negative pressure roller, and the width direction of the feeding port is parallel to the conveying direction of the conveying belt. In some embodiments of the present invention, the inlet is movable.
In some embodiments of the present invention, the feeding device feeds a fiber raw material to the surface of the negative pressure roller to be stacked at a feeding speed, wherein the feeding speed is a fiber weight obtained by using a unit area of a valve of the feeding valve as a denominator. In some embodiments of the present invention, the feeding devices can independently feed a fiber raw material to the surface of the negative pressure roller at the same or different feeding speeds for stacking. In certain embodiments of the present invention, the feed rate is 10 grams per square meter (g/m)2) To 200g/m2Or 20g/m2To 180g/m2Or 50g/m2To 120g/m2Or 80g/m2To 100g/m2。
In some embodiments of the invention, the baffle is located directly below the suction drum. In some embodiments of the present invention, the baffle is an arc-shaped plate, and the curvature of the arc-shaped plate corresponds to the peripheral surface of the negative pressure roller. In some embodiments of the present invention, the width of the baffle is equal to the width of the circumferential surface of the negative pressure roller. In some embodiments of the present invention, the area of the baffle is about 1/3 to 1/4 of the surface area of the peripheral surface of the suction drum. In some embodiments of the invention, the flap does not rotate with the suction roll.
In some embodiments of the present invention, the negative pressure roller rotates at a roller rotation speed, when the fiber raw material is fed from the feeding port to the surface of the negative pressure roller by the feeding device and accumulated, the negative pressure inside the negative pressure roller will adsorb the fiber raw material on the surface of the negative pressure roller through the through holes uniformly distributed on the surface of the negative pressure roller, and then the fiber raw material will move forward along with the negative pressure roller, forming a fiber layer on the surface of the negative pressure roller; when the fiber layer moves to the position of the baffle, the baffle can seal a part of the through holes to shield the negative pressure in the negative pressure roller, so that the fiber layer cannot be adsorbed through the through holes on the surface of the negative pressure roller, and the fiber layer can fall onto the conveying belt. In certain embodiments of the invention, the drum speed is from 1 meter/minute (m/min) to 20m/min, or from 5m/min to 15m/min, or from 10m/min to 12 m/min.
In certain embodiments of the invention, the conveyor belt is a mesh belt. In some embodiments of the invention, the mesh strip is made of metal, plastic or a combination thereof.
In certain embodiments of the invention, the conveyor belt conveys the layer of fibers to the heating device. In some embodiments of the invention, baffles are provided on both sides and below the belt to prevent fibers of the fiber layer from escaping. In some embodiments of the invention, the conveyor belt moves at a conveying speed that is set in accordance with the drum speed of the negative pressure drum.
In some embodiments of the present invention, the heating device comprises a heating element, an air blowing element and an air returning element, wherein the heating element is connected to the air blowing element and located above the conveyor belt; and the air return element is positioned on the side surface or below the conveying belt and is connected with the air supply element through a hot air conduit. In some embodiments of the present invention, the heating device can heat-set the fiber layer to obtain the non-woven fabric. In some embodiments of the present invention, the heating device is provided with partitions at the upper, lower, left, and right sides thereof to prevent the fibers of the fiber layer from scattering.
In some embodiments of the present invention, an air outlet is disposed below the air supply element, and the air supply element forms hot air from the hot air heated by the heating element, and sends the hot air out of the air outlet to heat the fiber layer on the conveyor belt. In certain embodiments of the invention, the heating device is capable of uniformly heating the fiber layer on the conveyor belt.
In some embodiments of the present invention, the air return element recovers the hot air penetrating the conveyor belt and sends the recovered hot air to the heating element through the hot air duct for reuse.
In some embodiments of the present invention, the apparatus further comprises a spraying device disposed between the heating device and the negative pressure roller, and comprising a spraying element disposed above the conveyor belt. In some embodiments of the present invention, the spray device further comprises a reservoir, and the spray element is connected to the reservoir by a fluid conduit. In some embodiments of the invention, the location of the reservoir is not limited. In some embodiments of the invention, the reservoir is located at the side of or below the conveyor belt. In some embodiments of the invention, the spray device may spray a fixing layer on one side of the fibrous layer. In some embodiments of the present invention, the spraying device is provided with partitions at the upper, lower, left, and right sides thereof to prevent the fibers of the fiber layer from scattering. In some embodiments of the invention, the material of the fixing layer is stored in the storage tank, introduced into the spray element through the liquid conduit, and sprayed onto the fibrous layer through a nozzle arranged below the spray element.
The present invention also provides a method of manufacturing a nonwoven fabric using the apparatus described above, comprising the steps of:
(a) a fiber raw material is fed at a feeding speed of 10g/m2To 200g/m2Conveying the fiber to the surface of the negative pressure roller for stacking, and moving along with the negative pressure roller at a roller rotating speed of 1-20 m/min to form a fiber layer on the negative pressure roller, wherein the lower half part of the negative pressure roller is provided with a baffle plate;
(b) when the fiber layer moves to the position of the baffle, the fiber layer is transferred to the conveying belt;
(c) the fiber layer is conveyed to a heating device by the conveyer belt, and the fiber layer is heated and shaped to obtain the non-woven fabric.
In some embodiments of the present invention, the nonwoven fabric is produced by controlling the thickness of the fiber layer (i.e., adjusting the basis weight of the fiber layer in different regions) through the feeding speed, the rotating speed of the roller and the conveying speed, so as to produce a nonwoven fabric with a controlled thickness. In some embodiments of the invention, the controlled thickness nonwoven fabric has a texture due to the thickness difference. In some embodiments of the invention, the texture is a unidirectional cross-grain. In some embodiments of the invention, the texture is a griffe. In some embodiments of the present invention, the thickness of the fiber layer is controlled by the cooperation of the feeding device, the negative pressure roller and the conveyor belt. In some embodiments of the present invention, the feed rate is adjusted by the control unit via the feed pump. In some embodiments of the present invention, the thickness of the fiber layer can be adjusted by adjusting the feeding speed when the rotating speed of the rollers is the same. In some embodiments of the present invention, the thickness of the fiber layer can be adjusted by adjusting the rotating speed of the roller when the feeding speed is the same. In some embodiments of the present invention, the thickness of the fiber layer can be adjusted by adjusting the conveying speed when the feeding speed and the roller rotation speed are the same.
In some embodiments of the invention, the fiber material is polyester, polypropylene or natural down. In some embodiments of the invention, the polyester-based fiber material is a low melting point polyester-based fiber material. In some embodiments of the present invention, the low melting point polyester based fiber material has a melting point of 110 ℃ to 190 ℃. In some embodiments of the invention, the polyester-based fiber material is polyethylene terephthalate.
In certain embodiments of the invention, the fiber length of the fiber feedstock is 10 millimeters (mm) to 200mm, or 20mm to 120mm, or 50mm to 100 mm. In certain embodiments of the invention, the fiber fineness of the fiber raw material is 0.5dtex to 30dtex, or 1dtex to 20dtex, or 2dtex to 15dtex, or 5dtex to 10 dtex.
In certain embodiments of the present invention, the fibrous layer is comprised of fibers in a random, dense distribution. In certain embodiments of the invention, the thickness of the fibrous layer is from 1 cm to 3 cm.
In certain embodiments of the present invention, the method of making the nonwoven fabric further comprises the following steps between step (b) and step (c): the conveyer belt conveys the fiber layer to a spraying device, and a fixed layer is sprayed on one side of the fiber layer. In certain embodiments of the present invention, the material of the securing layer is selected from the group consisting of acrylic, polyurethane, and combinations thereof. In certain embodiments of the invention, the spray resin concentration, nozzle type and number, and spray pressure are set for the basis weight of the fibrous material used in the fibrous layer.
In some embodiments of the present invention, the nonwoven fabric manufactured by the nonwoven fabric manufacturing apparatus and method of the present invention is used as a filling material for a filled fabric. In certain embodiments of the present invention, the filled fabric includes, but is not limited to, clothing and quilts.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.
FIG. 1 is a schematic view of a nonwoven fabric manufacturing apparatus of the present invention.
FIG. 2 is a cross-sectional view of the apparatus for manufacturing a nonwoven fabric of the present invention.
FIG. 3 is a schematic view of another apparatus for manufacturing a nonwoven fabric according to the present invention.
Fig. 4a and 4b are schematic views showing the application of the checked non-woven fabric manufactured by the non-woven fabric manufacturing equipment of the invention in filling clothes.
FIG. 5a is a schematic representation of fiber clumping and void creation after water washing for filled fabrics made using known filler materials.
FIG. 5b is a schematic view of a filled fabric made from the nonwoven fabric of the present invention after washing with water, wherein the fibers fill the entire filling cell.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may be present.
The technical means of the present invention will be further described below.
As shown in fig. 1 and 2, the nonwoven fabric manufacturing apparatus 1 of the present invention includes three sets of a feeding device 10, a negative pressure roller 20, a conveyor 30, a heating device 40, and a spraying device 50. The feeding device 10 is provided with a feeding pipe 11, a control unit 12, a feeding valve 13, a first electric eye 14, a second electric eye 15 and a feeding pump 16 which are respectively and electrically connected with the control unit 12; the feeding pipe 11 has an opening 111, the opening 111 and the feeding pump 13 are disposed at two ends of the feeding pipe 12, the feeding valve 13 is disposed between the opening 111 and the feeding pump 13, the first electric eye 14 is disposed below the feeding valve 13, and the second electric eye 15 is disposed between the first electric eye 14 and the feeding pump 16.
After a fiber material of low melting point polyethylene terephthalate (fiber length of 10mm to 80mm, fiber fineness of 0.5dtex to 30dtex) is fed from the opening 111, the fiber material is first conveyed to the feed valve 13, and when the feed valve 13 is opened, the fiber material passes through the first electric eye 14 and the second electric eye 15 in sequence, and then is conveyed to the feed pump 16. The first and second electric eyes 14 and 15 can sense the fiber stacking height of the fiber raw material in their respective sensing ranges, and transmit the obtained fiber stacking height amount information to the control unit 12 respectively.
The control unit 12 will be turned on according to the fiber stacking height sensed by the first and second electric eyes 14 and 15Or closing the feed valve 13 to control the amount of fiber after passing through the feed valve 13. In addition, the control unit 12 will further control the feeding speed of the feeding pump 16 to feed the fiber material at a feeding speed of 10g/m22 to 200g/m22 is sent to the surface of the negative pressure roller 20 through the feeding port 161 below the negative pressure roller for accumulation.
The vacuum drum 20 is located below the feed opening 161 of the feed pump 16 and rotates at a drum speed of 1m/min to 20m/min in the direction indicated by the dotted arrow in fig. 2. The periphery of the negative pressure roller 20 is provided with a plurality of through holes 21a, and a negative pressure element 22 and a baffle 23 are arranged in the through holes, wherein the negative pressure element 20 is communicated with the through holes 21 a. The baffle 23 is an arc plate with a curvature corresponding to the peripheral surface of the negative pressure roller 20, has a width equal to the width of the peripheral surface of the negative pressure roller 20, is located right below the inside of the negative pressure roller 20, occupies about 1/4 of the surface area of the peripheral surface of the negative pressure roller 20, and cannot rotate along with the negative pressure roller 20.
After the fiber material is deposited on the surface of the negative pressure roller 20, the negative pressure in the negative pressure roller 20 passes through the through holes 21a to adhere the fiber material to the surface of the negative pressure roller 20, and the fiber material is rotated along with the negative pressure roller 20 to form a fiber layer 60.
The thickness of the fiber layer 60 can be adjusted at will between 1 centimeter (cm) and 3 centimeters (cm) by the cooperation of the feeding speed of the feeding device 10 and the rotating speed of the negative pressure roller 20. When the fiber layer 60 moves forward to the position of the baffle 23, the baffle 23 will close the through hole moving to the lower half part of the negative pressure roller 20 at this time, so as to generate a closed through hole 21b, and further isolate the negative pressure inside the negative pressure roller 20, so that the fiber layer 60 cannot be continuously adsorbed on the surface of the negative pressure roller 20 and falls down onto the conveyor belt 30.
As shown in fig. 1 and 2, the conveyor belt 30 is a metal mesh belt and is located below the negative pressure roller 20. The conveying speed of the conveyor belt 30 is matched with the feeding speed of the feeding pump 16 and the roller rotating speed of the negative pressure roller 20, so that the fiber layer can be conveyed smoothly.
The fibrous layer 60 may be first conveyed to the spraying device 50. The spraying device 50 includes a spraying element 51 and a storage tank 52, which are located above the conveyor belt 30, and the spraying element 51 and the storage tank 52 are connected by a liquid conduit 53. The liquid acryl or urethane is stored in the storage tank 52, and is introduced into the spraying member 51 through the liquid conduit, and is sprayed on one side of the fiber layer 60 as a fixing layer through the nozzle 54 below the spraying member 51.
Thereafter, the fiber layer 60 covered with the fixing layer is conveyed to the heating device 40. The heating device 40 includes a heating element 41, a blowing element 42 and a wind returning element 43, the heating element 41 and the blowing element 42 are connected to each other and located above the conveyor 30. The heating element 41 can heat the air to 120-180 deg.C, then the air supply element 42 can make the hot air into hot air, and the hot air is discharged from air outlet 44 under the air supply element 42, and the hot air can be passed through the fibre layer 60 and conveying belt 30, and can uniformly heat the fibre layer 60, so that the low-melting-point polyethylene terephthalate fibre and resin can be cohered and formed into a non-woven fabric. In addition, a wind returning element 43 is disposed below the heating device 40, and the penetrating hot wind can be recovered and returned to the heating element 41 through a hot wind conduit 45, and then recycled.
The thickness of the fiber layer 60 is controlled by the feeding device 10, the negative pressure roller 20 and the conveyor belt 30. The non-woven fabric manufacturing apparatus 1 of fig. 1 comprises three sets of feeding devices 10, and the feeding port 161 of the feeding pump 16 is movable, so that the three sets of feeding devices 10 can form the same thickness of the cross grain together, or the three sets of feeding devices 10 can form the three sets of cross grain independently, thereby forming the effect of the grid grain on the whole non-woven fabric. In addition, the non-woven fabric manufacturing apparatus 1 shown in FIG. 3, which only includes a set of feeding devices 10, can be used to manufacture non-woven fabrics with unidirectional cross striations.
The fiber layer 60 can be directly sent to the heating device 40 by the conveyer belt 30 without passing through the spraying device 50 for uniform heating, so that the low melting point polyethylene terephthalate fibers can be bonded and shaped among fibers to obtain a non-woven fabric.
The non-woven fabric manufacturing apparatus 1 of the present invention may be provided with one or more sets of feeding devices 10 to adjust the thickness variation of the fiber layer 60 in the transverse direction, and the non-woven fabric may generate single-direction transverse grains or grid-like grains (as shown in fig. 1 and fig. 3) due to the different thicknesses. In addition, fig. 4a and 4b show another non-woven fabric with grid patterns obtained by the apparatus and method of the present invention, which can be directly cut and processed after distributing the grid patterns according to the requirements of the filled clothes on the pattern. For example, on the non-woven fabric obtained by the present invention, blocks corresponding to various parts of the padded clothes can be planned, for example, a block a of the non-woven fabric corresponds to the center a of the hat, a block B corresponds to the side B of the hat, a block C corresponds to the front C, and a block D corresponds to the sleeve D. Therefore, when the filling type fabric is manufactured subsequently, the fiber does not need to be filled one by one, the processing procedure can be simplified, and the processing speed is improved.
As shown in fig. 5a, when the conventional down or other fibers are used to fill the clothes, these known filling materials 70 are easy to be agglomerated and deformed after washing, and then they are accumulated under the filling cells, and gaps 71 are formed above the filling cells, which results in dissipation of heat energy and poor warming effect. The nonwoven fabric obtained by the invention is as shown in fig. 5b, the fibers 72 of the washed nonwoven fabric can not be agglomerated and deformed, the whole filling grid can be filled, and the original fluffy and soft hand feeling and good heat preservation effect are kept.
From the above, the present invention provides a device and a method for manufacturing down-like nonwoven fabric, which can manufacture a nonwoven fabric with thick and thin lines by matching of various elements, wherein the unit weight of the nonwoven fabric in different regions can be adjusted according to different requirements, thereby not only omitting the limitation of filling lattice by lattice in the prior process, but also facilitating the subsequent processing. In addition, when the down-like non-woven fabric is used for filling clothes, the hand feeling, the appearance and the heat preservation effect cannot be influenced by the entanglement of filling fibers due to the influence of water washing or moisture, and the down-like non-woven fabric can be used for manufacturing a functional filling fabric which is not easy to shift, deform or run after water washing.
The above embodiments are merely examples for illustrating the present invention and are not intended to limit the scope of the present invention. The scope of the claims of the present invention should be determined only by the following claims and not by the specific examples described above.
Claims (11)
1. A nonwoven fabric manufacturing apparatus, characterized by comprising:
the feeding device comprises at least one group of feeding devices, wherein each group of feeding devices comprises a body, a control unit, a feeding valve, a first sensor, a second sensor and a feeding pump, the feeding valve, the first sensor, the second sensor and the feeding pump are respectively electrically connected with the control unit, the body is provided with an opening, the opening and the feeding pump are oppositely arranged at two ends of the body, the feeding valve is arranged between the opening and the feeding pump, the first sensor is arranged below the feeding valve, and the second sensor is arranged between the first sensor and the feeding pump;
the negative pressure roller is positioned below the feeding pump, a plurality of through holes are arranged on the peripheral surface of the negative pressure roller in a penetrating manner, a negative pressure element and a baffle are arranged in the negative pressure roller, the negative pressure element is communicated with the through holes, and the baffle is positioned at the lower half part of the negative pressure roller and closes one part of the through holes;
a conveyer belt, it locates below the negative pressure cylinder; and
a heating device, which comprises an air supply element positioned above the conveying belt.
2. The nonwoven fabric manufacturing apparatus of claim 1, wherein the nonwoven fabric manufacturing apparatus comprises 2 to 10 sets of feeding devices, and the negative pressure roller is located below a plurality of the feeding pumps.
3. The apparatus according to claim 1 or 2, wherein the apparatus comprises a spraying device located between the heating device and the negative pressure roller, and the spraying device comprises a spraying element located above the conveyor belt.
4. A manufacturing method of manufacturing a nonwoven fabric using the nonwoven fabric manufacturing apparatus according to any one of claims 1 to 3, characterized by comprising the steps of:
a, a fiber raw material is fed at a feeding speed of 10g/m2To 200g/m2Conveying the fiber to the surface of the negative pressure roller for accumulation, and moving the fiber along with the negative pressure roller at a roller rotating speed of 1-20 m/min to form a fiber layer on the negative pressure roller;
b transferring the fiber layer onto the conveyor belt when the fiber layer moves to the position of the baffle;
c conveying the fiber layer to a heating device by the conveyer belt, and heating and shaping the fiber layer to obtain the non-woven fabric.
5. The method of claim 4, wherein the non-woven fabric has a texture due to the thickness difference.
6. The method of claim 5, wherein the texture is a cross-grain or a check-grain.
7. The method of claim 4, wherein the fiber material is polyester, polypropylene or natural down.
8. The method according to claim 6, wherein the polyester is polyethylene terephthalate.
9. The manufacturing method according to claim 4, wherein the fiber material has a fiber length of 10mm to 200mm and a fiber fineness of 0.5dtex to 30 dtex.
10. The method of claim 4, comprising the following steps between steps b and c: the conveyer belt conveys the fiber layer to a spraying device, and a fixed layer is sprayed on one side of the fiber layer.
11. The method of claim 10, wherein the fixing layer is made of a material selected from the group consisting of acryl, polyurethane, and a combination thereof.
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