CN117468166A - Device and method for preparing fluffy spunlaced non-woven fabric and fabric product - Google Patents

Device and method for preparing fluffy spunlaced non-woven fabric and fabric product Download PDF

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Publication number
CN117468166A
CN117468166A CN202311591445.7A CN202311591445A CN117468166A CN 117468166 A CN117468166 A CN 117468166A CN 202311591445 A CN202311591445 A CN 202311591445A CN 117468166 A CN117468166 A CN 117468166A
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CN
China
Prior art keywords
cotton
fluffy
nonwoven fabric
spunlaced
conveying
Prior art date
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Pending
Application number
CN202311591445.7A
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Chinese (zh)
Inventor
孙颖颖
张聪杰
田慧
高洪涛
任海华
梁雪松
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Donglun Technology Industry Tianjin Co ltd
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Donglun Technology Industry Tianjin Co ltd
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Application filed by Donglun Technology Industry Tianjin Co ltd filed Critical Donglun Technology Industry Tianjin Co ltd
Priority to CN202311591445.7A priority Critical patent/CN117468166A/en
Publication of CN117468166A publication Critical patent/CN117468166A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of 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
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use

Abstract

The invention discloses a preparation device and a method of fluffy spunlaced nonwoven fabric and a fabric product, wherein the preparation device of the fluffy spunlaced nonwoven fabric comprises the following steps: the device comprises a conveying mechanism, a first lapping machine, a regenerated fiber cotton mechanism, a second lapping machine and at least one water needling mechanism. The first lapping machine is positioned above the conveying mechanism and is used for providing a first cotton web, and the first cotton web is arranged on the conveying mechanism; the regenerated fiber cotton machine is positioned above the conveying mechanism and used for providing regenerated fiber cotton, and the regenerated fiber cotton is arranged on the conveying mechanism and positioned above the first cotton net; the second lapping machine is located the conveying mechanism top, and the second lapping machine is used for providing the second web. Therefore, the preparation device of the fluffy spunlaced nonwoven fabric has a simple and reasonable structure, waste is recycled, and a cotton layer can be directly formed without opening and carding, so that the production efficiency is improved, and the cost is reduced.

Description

Device and method for preparing fluffy spunlaced non-woven fabric and fabric product
Technical Field
The invention relates to the technical field of non-woven material manufacturing, in particular to a device and a method for preparing fluffy spunlaced non-woven fabric and a fabric product.
Background
Hydroentangled nonwoven fabric: the web is continuously sprayed with a high pressure water stream to entangle the fibers with each other to form a nonwoven fabric having certain physical and mechanical properties and appearance. The process mainly adopts chemical fibers and cotton fibers as raw materials, and the product with high strength, air permeability, drapability, softness and good water absorption is produced by processing, and is called as a green product because the product has no adhesive and does not pollute the environment. The gram weight range of the common spunlaced nonwoven fabric is 30-250g/m 2 。
Make-up removal cotton process and gram weight: the general cosmetic cotton manufacturing machine comprises the following process flows: raw material winding machine-automatic conveying-embossing-rolling cutting-arranging discharging-waste material winding-automatic counting-product; the materials and shapes will be slightly different in process, but are all the same.
However, the surface layer and the core layer of the prior cosmetic cotton are the same in material, and the core layer or the surface layer cannot be changed in material; if the cosmetic cotton with high gram weight is needed, a plurality of carding machines are needed, so that equipment is wasted, the energy consumption is high, and the production efficiency is low; .
Whereas the gram weight of the common medical dressing is about 300g/m 2 Within this, the grammage ranges for different applications are different. For dressing pads orThe water-absorbent dressing then needs to have a higher grammage and possibly also higher if required. But the gram weight range of the conventional spunlaced carded web is 30g/m 2 -250g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Medical dressings sometimes require fibers with special functions, but the fibers are expensive or cannot directly contact the skin, and other types of fibers are required to be added to the surface layers of the fibers.
Some fibers which are opened by the edge strip opener have larger strength loss and lower strength, are not suitable to enter a carding machine for carding, and can be treated as waste fibers only; while some of the functional fibers are more expensive (e.g., P84), the use of all functional fibers in the hydroentangled product increases cost; and some functional fibers cannot be used directly on the surface, cannot directly contact the skin, or cannot directly act on the fibers of the contact surface.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a device and a method for preparing fluffy spunlaced non-woven fabric and a fabric product, which have simple and reasonable structure, recycle waste, and can directly form a cotton layer without opening and carding, thereby improving the production efficiency and reducing the cost.
In order to achieve the above object, in a first aspect, the present invention provides a device for preparing a fluffy spunlaced nonwoven fabric, comprising: the device comprises a conveying mechanism, a first lapping machine, a regenerated fiber cotton mechanism, a second lapping machine and at least one water needling mechanism. The first lapping machine is positioned above the conveying mechanism and is used for providing a first cotton net, and the first cotton net is arranged on the conveying mechanism; the regenerated fiber cotton mechanism is positioned above the conveying mechanism, is used for providing regenerated fiber cotton, is arranged on the conveying mechanism and is positioned above the first cotton net; the second lapping machine is positioned above the conveying mechanism and is used for providing a second cotton net, and the second cotton net is arranged on the conveying mechanism and is positioned above the regenerated fiber cotton; and at least one hydroentangling mechanism is arranged behind the conveying mechanism; the conveying mechanism can drive the first cotton web, the regenerated fiber cotton and the second cotton web to enter the hydroentangling mechanism, so that the hydroentangled non-woven fabric is obtained.
In an embodiment of the invention, the preparation device of the fluffy spunlaced nonwoven fabric further comprises a winding mechanism connected with the output end of the spunlaced mechanism, and the winding mechanism is used for collecting the spunlaced nonwoven fabric.
In an embodiment of the present invention, the apparatus for preparing a fluffy spunlaced nonwoven fabric further comprises: a first carding machine and a second carding machine. The first carding machine is connected with the first lapping machine and is used for carding first fibers and providing the carded first fibers for the first lapping machine; and the second carding machine is connected with the second lapping machine and is used for carding second fibers and providing the carded second fibers for the second lapping machine.
In an embodiment of the present invention, the number of the at least one hydroentangling mechanism is two, and the two hydroentangling mechanisms are sequentially arranged behind the transmission mechanism and in front of the winding mechanism.
In one embodiment of the present invention, the regenerated fiber cotton mechanism includes: leftover material opener, first cotton conveying pipeline, cotton conveying fan, cotton case and cotton carding curtain. The leftover material opener is used for opening the waste spunlaced cloth strips into regenerated fibers; one end of the first cotton conveying pipeline is connected with the output end of the leftover material opener; one end of the cotton conveying fan is connected with the other end of the first cotton conveying pipeline; the feed inlet of the cotton box is connected with the other end of the cotton conveying fan; the cotton carding curtain is arranged in the discharge hole of the cotton box; wherein the regenerated fibers sequentially enter the cotton box through the first cotton conveying pipeline and the cotton conveying fan; wherein the cotton carding curtain is used for extruding the regenerated fibers to form the regenerated fiber cotton.
In an embodiment of the invention, the device for preparing the fluffy spunlaced nonwoven fabric further comprises a second cotton conveying pipeline, and the cotton conveying fan is connected with the cotton box through the second cotton conveying pipeline.
In an embodiment of the invention, the preparation device of the fluffy spunlaced nonwoven fabric further comprises a cotton homogenizing fan connected with the cotton box, an air outlet of the cotton homogenizing fan adopts a V-shaped flat port design, and the cotton homogenizing fan is used for carrying out opening mixing on the regenerated fibers in the cotton box through air flow and sending the regenerated fibers into the cotton carding curtain.
In one embodiment of the invention, the cotton box is provided with an air outlet and an air exhaust plate, the air outlet is used for discharging fiber debris impurities in the cotton box, and the air exhaust plate is used for discharging air flow of the cotton conveying fan.
In a second aspect, the present invention provides a method for preparing a fluffy spunlaced nonwoven fabric, which is based on the preparation device of the fluffy spunlaced nonwoven fabric, wherein the preparation method of the fluffy spunlaced nonwoven fabric comprises the following steps:
step S100, providing a first cotton web on a conveying mechanism through a first lapping machine;
step 200, providing regenerated fiber cotton on the conveying mechanism through a regenerated fiber mechanism, wherein the regenerated fiber cotton is positioned above the first cotton web;
step S300, providing a second cotton net to the conveying mechanism through a second lapping machine, wherein the second cotton net is positioned above the regenerated fiber cotton;
step S400, the conveying mechanism conveys the first cotton web, the regenerated fiber cotton and the second cotton web into at least one water needling mechanism;
and S500, outputting the spunlaced non-woven fabric by the spunlace mechanism.
In a third aspect, the present invention provides a fluffy spunlaced nonwoven fabric product prepared by the preparation device of the fluffy spunlaced nonwoven fabric or by the preparation method of the fluffy spunlaced nonwoven fabric.
Compared with the prior art, the device, the method and the fabric product for preparing the fluffy spunlaced non-woven fabric form a regenerated fiber cotton layer by utilizing the waste spunlaced non-woven fabric, and enter the middle of two layers of cotton nets to form the ultra-high gram weight fluffy spunlaced non-woven fabric with different styles; fully utilizes the waste spunlaced nonwoven fabric, and simultaneously can be added with the spunlaced fabric prepared by functional fibers; the functional spunlaced nonwoven fabric with the function can be prepared by using a small amount of or waste functional spunlaced fabric; not only waste recycling, but also cotton layer is directly formed without opening and carding, thus improving production efficiency and reducing cost.
Drawings
Fig. 1 is a schematic structural view of a device for preparing a fluffy spunlaced nonwoven fabric according to a first embodiment of the invention;
FIG. 2 is a schematic side view of a regenerated cellulose cotton mechanism according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a method for producing a fluffy spunlaced nonwoven fabric according to a second embodiment of the invention.
The main reference numerals illustrate:
1-conveying mechanism, 2-first lapping machine, 3-first cotton net, 4-regenerated fiber cotton mechanism, 5-regenerated fiber cotton, 6-second lapping machine, 7-second cotton net, 8-hydro-entangled mechanism, 9-rolling mechanism, 10-first carding machine, 11-second carding machine, 13-leftover material opener, 14-first cotton conveying pipeline, 15-cotton conveying fan, 16-cotton box, 17-cotton carding curtain, 18-second cotton conveying pipeline, 19-cotton homogenizing fan, 20-air outlet, 21-air exhausting plate, 22-roller, 23-opener roller, 24-air outlet, 25-waste hydro-entangled cloth strip and 26-cotton homogenizing pipeline.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
According to the invention, waste spunlaced cloth strips are utilized to be opened into a fiber cotton layer, a sandwich structure is adopted, a fluffy spunlaced nonwoven material with ultra-high gram weight is prepared by utilizing the intermediate ultra-thick fiber layer, and the entanglement effect of the formed fluffy material is entanglement compact-entanglement loose-entanglement compact from top to bottom in sequence; the method has the advantages that waste is utilized, green and sustainable development calls are responded, and the cotton layer is directly formed without opening and carding, so that the production efficiency is improved, and the production cost is reduced.
In the invention, a cotton strip opening and fiber layer cotton discharging device is added between two lapping machines, waste spunlaced cloth strips 25 are opened into fiber shape, a cotton layer is formed by the cotton discharging device, and the cotton layer is uniformly conveyed between two layers of fiber webs; through prewetting, hydroentangling and drying, the ultra-high gram weight fluffy hydroentangling non-woven material is formed.
Detailed description of the preferred embodiments
Fig. 1 is a schematic structural view of a device for preparing a fluffy spunlaced nonwoven fabric according to a first embodiment of the invention; fig. 2 is a schematic side view of a regenerated cellulose cotton mechanism according to an embodiment of the present invention.
As shown in fig. 1 to 2, a device for preparing a fluffy spunlaced nonwoven fabric according to an embodiment of the present invention includes: a conveying mechanism 1, a first lapping machine 2, a regenerated fiber cotton mechanism 4, a second lapping machine 6 and at least one water needling mechanism 8. A first lapping machine 2 is positioned above the conveying mechanism 1, the first lapping machine 2 is used for providing a first cotton net 3, and the first cotton net 3 is arranged on the conveying mechanism 1; a regenerated fiber cotton mechanism 4 is positioned above the conveying mechanism 1, the regenerated fiber cotton mechanism 4 is used for providing regenerated fiber cotton 5, and the regenerated fiber cotton 5 is arranged on the conveying mechanism 1 and positioned above the first cotton web 3; a second lapping machine 6 is positioned above the conveying mechanism 1, the second lapping machine 6 is used for providing a second cotton net 7, and the second cotton net 7 is arranged on the conveying mechanism 1 and positioned above the regenerated fiber cotton 5; and at least one hydroentangling mechanism 8 is arranged behind the conveying mechanism 1; wherein, the conveying mechanism 1 can drive the first cotton web 3, the regenerated fiber cotton 5 and the second cotton web 7 to enter the hydroentangling mechanism 8, thereby obtaining the hydroentangled nonwoven fabric.
In an embodiment of the present invention, the preparation device of the fluffy spunlaced nonwoven fabric further includes a winding mechanism 9, which is connected to the output end of the spunlaced mechanism 8, and the winding mechanism 9 is used for collecting the spunlaced nonwoven fabric.
In an embodiment of the present invention, the apparatus for preparing a fluffy spunlaced nonwoven fabric further comprises: a first carding machine 10 and a second carding machine 11. The first carding machine 10 is connected with the first lapping machine 2, and the first carding machine 10 is used for carding first fibers and providing the carded first fibers for the first lapping machine 2; and the second carding machine 11 is connected to the second lapping machine 6, the second carding machine 11 being used for carding the second fibers and providing the carded second fibers to the second lapping machine 6.
In an embodiment of the present invention, the number of the at least one hydroentangling mechanism 8 is two, and the two hydroentangling mechanisms 8 are sequentially arranged behind the conveying mechanism and in front of the winding mechanism 9.
In one embodiment of the present invention, the regenerated cellulose cotton mechanism 4 includes: leftover material opener 13, first cotton conveying pipeline 14, cotton conveying fan 15, cotton box 16 and cotton carding curtain 17. The leftover material opener 13 is used for opening the waste spunlaced fabric strips 25 into regenerated fibers; one end of the first cotton conveying pipeline 14 is connected with the output end of the leftover material opener 13; one end of the cotton conveying fan 15 is connected with the other end of the first cotton conveying pipeline 14; the feed inlet of the cotton box 16 is connected with the other end of the cotton conveying fan 15; and the cotton carding curtain 17 is arranged in the discharge hole of the cotton box 16; wherein the regenerated fibers sequentially pass through the first cotton conveying pipeline 14 and the cotton conveying fan 15 to enter the cotton box 16; wherein the cotton carding curtain 17 is used for extruding the regenerated fibers to form the regenerated fiber cotton 5; wherein the regenerated fibers are dispersed in a shower shape after entering the cotton box.
In one embodiment of the present invention, the apparatus for preparing the fluffy spunlaced nonwoven fabric further comprises a second cotton conveying pipeline 18, and the cotton conveying fan 15 is connected with the cotton box 16 through the second cotton conveying pipeline 18.
In an embodiment of the present invention, the preparation device of the fluffy spunlaced nonwoven fabric further includes a cotton homogenizing fan 19 connected to the cotton box 16, an air outlet 24 of the cotton homogenizing fan 19 adopts a V-shaped flat port design, and the cotton homogenizing fan 19 is used for loosening and mixing the regenerated fibers in the cotton box 16 by air flow, and sending the regenerated fibers into the cotton carding curtain 17; wherein, the cotton homogenizing fan 19 sets up the outside of cotton case 16, just the cotton homogenizing fan 19 through the cotton homogenizing pipe 26 with the inside of cotton case 16 is linked together (the cotton homogenizing pipe 26 set up in the cotton case 16 is inside), the air outlet 24 of cotton homogenizing fan 19 can understand the air outlet 24 of cotton homogenizing pipe 26, the air outlet 24 of cotton homogenizing pipe 26 is towards the inside of cotton case 16.
In one embodiment of the present invention, the cotton box 16 is provided with an air outlet 20 and an air outlet plate 21, the air outlet 20 is used for discharging fiber debris impurities in the cotton box 16, and the air outlet plate 21 is used for discharging air flow of the cotton conveying fan 15; the exhaust opening 20 is disposed at the front end of the cotton box 16, and the exhaust plate 21 is disposed at one side of the cotton box 16.
Example two
Fig. 3 is a schematic flow chart of a method for preparing a fluffy spunlaced nonwoven fabric according to a second embodiment of the present invention, and as shown in fig. 3, the second embodiment of the present invention provides a method for preparing a fluffy spunlaced nonwoven fabric, which is based on the apparatus for preparing a fluffy spunlaced nonwoven fabric as described above, wherein the method for preparing a fluffy spunlaced nonwoven fabric includes:
step S100, providing a first cotton net 3 on a conveying mechanism 1 through a first lapping machine 2;
step 200, providing regenerated fiber cotton 5 on the conveying mechanism 1 through a regenerated fiber mechanism, wherein the regenerated fiber cotton 5 is positioned above the first cotton web 3;
step S300, providing a second web 7 to the conveying mechanism 1 through a second lapping machine 6, wherein the second web 7 is located above the regenerated fiber cotton 5;
step S400, the conveying mechanism 1 conveys the first web 3, the regenerated fiber cotton 5 and the second web 7 into at least one hydroentangling mechanism 8;
in step S500, the hydroentangling mechanism 8 outputs a hydroentangled nonwoven fabric.
Example III
The third embodiment of the invention provides a fluffy spunlaced nonwoven fabric product, which is prepared by adopting the preparation device of the fluffy spunlaced nonwoven fabric or the preparation method of the fluffy spunlaced nonwoven fabric.
In practical application, according to the preparation device and method for the fluffy spunlaced nonwoven fabric and the fabric product, waste materials (waste spunlaced fabric strips 25) are pulled by the roller 22 of the leftover material opener 13 to enter an opening area at a constant speed, are opened into fibers with the length of 20mm-30mm through the opening roller 23, are conveyed to the cotton box 16 through the first cotton conveying pipeline 14 by the cotton conveying fan 15 and the second cotton conveying pipeline 18, are uniformly distributed into cotton layers in the cotton box 16, and the rotating speed of the cotton conveying fan 15 can be automatically adjusted according to the set pressure in the cotton box 16, so that the density of the cotton layers is ensured. The cotton conveying fan 15 conveys the fibers to the cotton box 16 to compact the cotton layer, then the air flow is discharged from the exhaust plate 21, the compacted cotton layer reaches the outlet of the cotton homogenizing fan, the cotton homogenizing fan adopts a high-air pressure low-air-volume design, the air outlet 24 is provided with 5mm-12mm openings, the air outlet 24 adopts a flow guide opening design, the air flow can be used for opening and mixing the fibers for the second time through the air outlet 24 and then smoothly conveying the fibers into the cotton carding curtain 17, the fibers are extruded through the cotton carding curtain 17 to form a uniform cotton layer (regenerated fiber cotton 5) to enter the next working procedure (on the conveying mechanism 1), and impurities such as fiber scraps are discharged into the dust filtering system through the air outlet 20.
Wherein, even cotton fan's effect does: the fan air outlet 24 adopts a small outlet high air pressure design, and the outlet adopts a V-shaped flat port design mode, so that the cotton layers can be uniformly diffused to two sides and can be conveyed to a cotton conveying curtain.
The formed cotton layer and the fiber web formed by the first cotton web 3 and the second cotton web 7 form a sandwich structure, and the fiber layer enters a hydro-entangled system (hydro-entangled mechanism 8). The upper, middle and lower layers of fibers form a fluffy spunlaced nonwoven material in a tight-loose-tight state under a spunlaced system. Wherein the gram weight range of the upper layer and the lower layer of the net is 20g/m 2 -50g/m 2 The gram weight range of the middle interlayer fiber cotton layer is 100g/m 2 -300g/m 2 。
The selected waste spunlaced fabric 25 is any openable spunlaced fabric, and the fibers formed, whether or not they can be re-carded by a carding machine, can be fed directly into the hopper 16.
The middle sandwiched fiber layer can be composed of fibers which can not be combed after conventional opening; or may be composed of special functional fibers; may be composed of different colored fibers; the fiber composition of different titer is different; the fibers used may be mixed by one or more fibers.
The hydro-entangled non-woven material formed by the method has the structure of ultrahigh gram weight, compact entanglement at the upper and lower sides and loose entanglement in the middle, so that the formed hydro-entangled non-woven material is fluffy, strong in moisture absorption capacity and high in liquid carrying rate; and the special function of the corresponding fiber can be realized by adding the waste functional fiber or some functional fibers can not be used on the surface and placing the functional fibers on the middle fiber cotton layer, so that the production cost is reduced, and the fiber waste material can be reused. The product can be applied to wiping, oil absorption, makeup removing cotton, medical dressing, sanitary products and the like.
The invention adopts the waste spunlaced fabric to enter the middle of two layers of fiber webs through an opening cotton outlet device, so as to form the fluffy spunlaced nonwoven material with an ultra-high gram weight sandwich structure, wherein the upper and lower entanglement is tight, and the middle entanglement is loose. The waste spunlaced fabric used in the invention is a spunlaced non-woven fabric which is cut by conventional products, is a spunlaced fabric edge strip, a waste fabric sample, a raw end product and the like and can not be used as normal products or sold continuously. The used waste spunlaced nonwoven fabric can be composed of conventional viscose and polyester fibers; can be composed of PLA, chitosan fiber, polyimide fiber and other fibers with special functions (biodegradable fiber, high emissivity far infrared fiber, anion fiber, antibacterial deodorizing fiber, flame retardant fiber, fragrant fiber and the like); can be composed of fibers with different titer (0.5D-2.0D); can be composed of fibers with different lengths (20 mm-30 mm); can be composed of fibers formed by opening water-jet cloth with different colors; the water-jet cloth with single component can be selected, and the mixture of multiple components can be selected. The formed intermediate fiber layers have different styles, and the fiber compositions of the prepared spunlaced nonwovens are also different.
In a word, the preparation device, the preparation method and the fabric product of the fluffy spunlaced nonwoven fabric form a regenerated fiber cotton layer by utilizing the waste spunlaced nonwoven fabric, and enter the middle of two layers of cotton nets to form the ultra-high gram weight fluffy spunlaced nonwoven fabric with different styles; fully utilizes the waste spunlaced nonwoven fabric, and simultaneously can be added with the spunlaced fabric prepared by functional fibers; the functional spunlaced nonwoven fabric with the function can be prepared by using a small amount of or waste functional spunlaced fabric; not only waste recycling, but also cotton layer is directly formed without opening and carding, thus improving production efficiency and reducing cost.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (10)

1. A device for preparing a fluffy spunlaced nonwoven fabric with ultra-high gram weight, which is characterized in that the device for preparing the fluffy spunlaced nonwoven fabric comprises:
a conveying mechanism;
the first lapping machine is positioned above the conveying mechanism and is used for providing a first cotton web, and the first cotton web is arranged on the conveying mechanism;
the regenerated fiber cotton mechanism is positioned above the conveying mechanism, is used for providing regenerated fiber cotton, is arranged on the conveying mechanism and is positioned above the first cotton net;
the second lapping machine is positioned above the conveying mechanism and is used for providing a second cotton web, and the second cotton web is arranged on the conveying mechanism and is positioned above the regenerated fiber cotton; and
at least one water jet mechanism arranged behind the conveying mechanism;
the conveying mechanism can drive the first cotton web, the regenerated fiber cotton and the second cotton web to enter the hydroentangling mechanism, so that the hydroentangled non-woven fabric is obtained.
2. The apparatus for preparing a fluffy spunlaced nonwoven fabric according to claim 1, further comprising a winding mechanism connected to an output end of the spunlaced mechanism, wherein the winding mechanism is used for collecting the spunlaced nonwoven fabric.
3. The apparatus for producing a bulk spunlaced nonwoven fabric of claim 1, further comprising:
a first carding machine connected with the first lapping machine, wherein the first carding machine is used for carding first fibers and providing the carded first fibers for the first lapping machine; and
and the second carding machine is connected with the second lapping machine and is used for carding second fibers and providing the carded second fibers for the second lapping machine.
4. The device for preparing fluffy spunlaced nonwoven fabric according to claim 2, wherein the number of the at least one spunlaced mechanism is two, and the two spunlaced mechanisms are sequentially arranged behind the transmission mechanism and in front of the winding mechanism.
5. The apparatus for producing a fluffy spunlaced nonwoven fabric according to claim 1, wherein the regenerated fiber cotton mechanism comprises:
the leftover material opener is used for opening the waste spunlaced cloth strips into regenerated fibers;
one end of the first cotton conveying pipeline is connected with the output end of the leftover material opener;
one end of the cotton conveying fan is connected with the other end of the first cotton conveying pipeline;
the cotton box is connected with the other end of the cotton conveying fan through a feeding hole; and
the cotton carding curtain is arranged in the discharge hole of the cotton box;
wherein the regenerated fibers sequentially enter the cotton box through the first cotton conveying pipeline and the cotton conveying fan;
wherein the cotton carding curtain is used for extruding the regenerated fibers to form the regenerated fiber cotton.
6. The apparatus for producing a fluffy spunlaced nonwoven fabric of claim 5, further comprising a second cotton conveying pipeline, wherein said cotton conveying fan is connected with said cotton box through said second cotton conveying pipeline.
7. The device for preparing the fluffy spunlaced nonwoven fabric according to claim 5, further comprising a cotton homogenizing fan connected with the cotton box, wherein an air outlet of the cotton homogenizing fan is designed to be a V-shaped flat opening, and the cotton homogenizing fan is used for carrying out opening mixing on regenerated fibers in the cotton box through air flow and sending the regenerated fibers into the cotton carding curtain.
8. The device for preparing the fluffy spunlaced nonwoven fabric according to claim 5, wherein the cotton box is provided with an air outlet and an air exhaust plate, the air outlet is used for discharging fiber chips and impurities in the cotton box, and the air exhaust plate is used for discharging air flow of the cotton conveying fan.
9. A method for preparing a fluffy spunlaced nonwoven fabric based on the preparation device of the fluffy spunlaced nonwoven fabric as claimed in claims 1-8, which is characterized in that the preparation method for the fluffy spunlaced nonwoven fabric comprises the following steps:
step S100, providing a first cotton web on a conveying mechanism through a first lapping machine;
step 200, providing regenerated fiber cotton on the conveying mechanism through a regenerated fiber mechanism, wherein the regenerated fiber cotton is positioned above the first cotton web;
step S300, providing a second cotton net to the conveying mechanism through a second lapping machine, wherein the second cotton net is positioned above the regenerated fiber cotton;
step S400, the conveying mechanism conveys the first cotton web, the regenerated fiber cotton and the second cotton web into at least one water needling mechanism;
and S500, outputting the spunlaced non-woven fabric by the spunlace mechanism.
10. A fluffy spunlaced nonwoven fabric product prepared by the preparation device of the fluffy spunlaced nonwoven fabric according to any one of claims 1-8 or by the preparation method of the fluffy spunlaced nonwoven fabric according to claim 9.
CN202311591445.7A 2023-11-27 2023-11-27 Device and method for preparing fluffy spunlaced non-woven fabric and fabric product Pending CN117468166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311591445.7A CN117468166A (en) 2023-11-27 2023-11-27 Device and method for preparing fluffy spunlaced non-woven fabric and fabric product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311591445.7A CN117468166A (en) 2023-11-27 2023-11-27 Device and method for preparing fluffy spunlaced non-woven fabric and fabric product

Publications (1)

Publication Number Publication Date
CN117468166A true CN117468166A (en) 2024-01-30

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Application Number Title Priority Date Filing Date
CN202311591445.7A Pending CN117468166A (en) 2023-11-27 2023-11-27 Device and method for preparing fluffy spunlaced non-woven fabric and fabric product

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Country Link
CN (1) CN117468166A (en)

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