CN114517358A - Multilayer structure hard cotton for mattress and preparation method thereof - Google Patents
Multilayer structure hard cotton for mattress and preparation method thereof Download PDFInfo
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- CN114517358A CN114517358A CN202210150150.5A CN202210150150A CN114517358A CN 114517358 A CN114517358 A CN 114517358A CN 202210150150 A CN202210150150 A CN 202210150150A CN 114517358 A CN114517358 A CN 114517358A
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 186
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 111
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 24
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 24
- 241001330002 Bambuseae Species 0.000 claims abstract description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 24
- 239000011425 bamboo Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 229920000728 polyester Polymers 0.000 claims abstract description 20
- 238000013329 compounding Methods 0.000 claims abstract description 4
- 238000009960 carding Methods 0.000 claims description 23
- 238000007596 consolidation process Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 108
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 2
- 239000002344 surface layer Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 240000000491 Corchorus aestuans Species 0.000 description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 description 2
- 244000198134 Agave sisalana Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/12—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton
- A47C27/121—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton with different inlays
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/12—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton
- A47C27/122—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton with special fibres, such as acrylic thread, coconut, horsehair
-
- 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
- D04H1/48—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 in combination with at least one other method of consolidation
- D04H1/485—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 in combination with at least one other method of consolidation in combination with weld-bonding
-
- 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
-
- 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
- D04H1/559—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 the fibres being within layered webs
Abstract
The invention relates to the field of hard cotton manufacturing, in particular to multilayer structure hard cotton for a mattress and a preparation method thereof, the multilayer structure hard cotton is formed by compounding and overlapping five hard cotton layers, the first hard cotton layer, the third hard cotton layer and the fifth hard cotton layer are formed by mixing 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers, the fourth hard cotton layer is formed by mixing 15-50% of low-melting-point short fibers and 50-75% of fibrilia, and the fifth hard cotton layer is formed by mixing 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers. The invention has simple flow, convenient and fast preparation process, safe and environment-friendly by adopting low-melting-point fibers as bonding materials among multilayer structures; the middle layer adopts fibrilia and bamboo fiber in plant fiber, and the effect of sterilization and mite prevention is achieved through a high-temperature oven, so that the use is more sanitary; the multilayer structure not only meets the soft and comfortable requirements of the surface layer, but also increases the stiffness of the mattress, can not collapse in use, and is beneficial to sleep.
Description
Technical Field
The invention relates to the field of hard cotton manufacturing, in particular to multilayer structure hard cotton for a mattress and a preparation method thereof.
Background
The hard cotton is a sponge substitute product of a polyester fiber material with certain hardness, and has the characteristics of good air permeability, high elasticity, strong heat preservation, noise reduction, easiness in processing and the like. As one kind of mattress core material, more with other material combinations use in the mattress, because its compression resilience is higher when using alone, it is unstable to warp the resilience, long-term exclusive use can make the mattress produce the part and cave in, reduces user's comfort level, influences juvenile children's spinal development, also can cause harmful effects to old person's sleep.
Disclosure of Invention
In order to solve the technical problems, the invention provides multilayer structure hard cotton for a mattress and a preparation method thereof.
The specific technical scheme is as follows:
the multilayer structure hard cotton for the mattress is formed by compounding and superposing five hard cotton layers; the first hard cotton layer is positioned on the uppermost layer and consists of 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers, and the thickness of the first hard cotton layer is 10-30 mm; the second hard cotton layer is positioned below the first hard cotton layer and is formed by mixing 15-50% of low-melting-point short fiber and 50-75% of bamboo fiber, and the thickness of the second hard cotton layer is 20-50 mm; the third hard cotton layer is positioned below the second hard cotton layer and consists of 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers, and the thickness of the third hard cotton layer is 5-20 mm; the fourth hard cotton layer is positioned below the third hard cotton layer, is formed by mixing 15-50% of low-melting-point short fiber and 50-75% of fibrilia, and has the thickness of 20-50 mm; the fifth hard cotton layer is positioned below the fourth hard cotton layer, consists of 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers, and has the thickness of 10-30 mm.
A preparation method of multilayer structure hard cotton for a mattress specifically comprises the following steps:
(1) preparation of the first hard cotton layer, the third hard cotton layer and the fifth hard cotton layer: preparing 50-75% of polyester staple fibers and 15-50% of low-melting-point staple fibers into a first hard cotton layer, a third hard cotton layer and a fifth hard cotton layer in a roll shape with different specifications and thicknesses according to the specific requirements of the mattress through batching, mixing, opening, carding, lapping and needling consolidation by a six-channel needling machine;
(2) preparation of a fourth hard cotton layer: weighing 15-50% of low-melting-point short fibers and 50-75% of fibrilia according to a proportion through a first production line, mixing and opening the short fibers into single fibers, carding the single fibers into a web through a carding machine, and then paving the carded web on a fifth moving hard cotton layer by a lapping machine according to the required thickness to move forwards;
(3) flatly paving a third hard cotton layer on the moving fifth hard cotton layer and the fourth hard cotton layer;
(4) preparation of the second hard cotton layer: weighing 15-50% of low-melting-point short fibers and 50-75% of bamboo fibers according to a ratio through a second production line, mixing and opening the short fibers and the bamboo fibers into single fibers, carding the single fibers into a web through a carding machine, and then laying the carded web on a fifth hard cotton layer, a fourth hard cotton layer and a third hard cotton layer which move according to the required thickness through a lapping machine;
(5) Flatly paving the first hard cotton layer on the uppermost surfaces of the fifth hard cotton layer, the fourth hard cotton layer, the third hard cotton layer and the second hard cotton layer which move to form multilayer structure hard cotton, heating the multilayer structure hard cotton in an oven, melting low-melting-point fibers in the multilayer structure hard cotton by hot air, and bonding surrounding fibers;
(6) the bonded hard cotton with the multilayer structure continues to advance and enters a cold air forming machine for cooling and forming;
(7) and cutting the shaped hard cotton with the multilayer structure into required size by a slitter, and packaging and warehousing.
The bamboo fiber is natural bamboo fiber extracted from bamboo under the action of physical and mechanical properties, and is not chemical bamboo fiber.
The heating temperature of the oven is 190-210 ℃.
The first production line is positioned between the third hard cotton layer and the fifth hard cotton layer in a roll shape; and the second production line is positioned between the first hard cotton layer and the third hard cotton layer in a roll shape.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention has simple flow, convenient and fast preparation process, and convenient personalized customization according to the needs of customers; the low-melting-point fibers are used as bonding materials among the multilayer structures, so that the multilayer structure is safe and environment-friendly; the middle layer adopts fibrilia and bamboo fiber in plant fiber, and the effect of sterilization and mite prevention is achieved through a high-temperature oven, so that the use is more sanitary; the multilayer structure not only meets the soft and comfortable requirements of the surface layer, but also increases the stiffness of the mattress, can not collapse in use, and is beneficial to sleep.
Drawings
FIG. 1 is a schematic cross-sectional structure diagram of a multi-layer structure hard cotton of the present invention;
FIG. 2 is a schematic view of a production process of multi-layer hard cotton of the present invention;
in the figure, 1, a first hard cotton layer; 2. a second hard cotton layer; 22. a second production line; 3. a third hard cotton layer; 4. a fourth hard cotton layer; 44. a first production line; 5. a fifth hard cotton layer; 6. baking oven; 7. a cold air setting machine; 8. a slicing machine; 9. hard cotton with a multilayer structure.
Detailed Description
The invention is described in detail below with reference to the drawings, but the scope of the invention is not limited by the drawings.
Fig. 1 is a schematic cross-sectional structure diagram of the multilayer hard cotton of the invention, as shown in the figure: the invention relates to a multilayer structure hard cotton 9 for a mattress, which is formed by compounding and superposing five hard cotton layers; the first hard cotton layer 1 is positioned on the uppermost layer and consists of 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers, and the thickness is 10-30 mm; the second hard cotton layer 2 is positioned below the first hard cotton layer 1 and is formed by mixing 15-50% of low-melting-point short fiber and 50-75% of bamboo fiber, and the thickness is 20-50 mm; the third hard cotton layer 3 is positioned below the second hard cotton layer 2, consists of 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers, and has the thickness of 5-20 mm; the fourth hard cotton layer 4 is positioned below the third hard cotton layer 3, is formed by mixing 15-50% of low-melting-point short fiber and 50-75% of fibrilia, and has the thickness of 20-50 mm; the fifth hard cotton layer 5 is positioned below the fourth hard cotton layer 4, consists of 50-75% of polyester short fibers and 15-50% of low-melting-point short fibers, and has the thickness of 10-30 mm. The bamboo fiber is natural bamboo fiber extracted from bamboo under the action of physical and mechanical properties, and is not chemical bamboo fiber.
FIG. 2 is a schematic diagram of the production process of the multilayer structure hard cotton of the present invention, as shown in the figure:
example 1
The preparation method of the multilayer structure hard cotton for the mattress specifically comprises the following steps:
(1) preparation of the first, third and fifth hard cotton layers 1, 3, 5: 70 percent of white polyester short fibers and 30 percent of low-melting-point short fibers are subjected to batching, mixing and opening, carding, lapping and needling consolidation through a six-channel needling machine to prepare the first hard cotton layer 1 with the thickness of 10mm in a roll shape. 50 percent of white polyester short fibers and 50 percent of low-melting-point short fibers are subjected to batching, mixed opening, carding, lapping and needling consolidation by a six-channel needling machine to prepare the rolled third hard cotton layer 3 with the thickness of 20 mm. Preparing 70% of white polyester short fibers and 30% of low-melting-point short fibers into a roll-shaped fifth hard cotton layer 5 with the thickness of 10mm through batching, mixing, opening, carding, lapping and needling consolidation by a six-channel needling machine;
(2) preparation of the fourth hard cotton layer 4: weighing 50% of low-melting-point short fibers and 50% of sisal fibers according to a proportion through a first production line 44, mixing and opening the short fibers into single fibers, carding the single fibers into a net through a carding machine, and then paving the carded net on a fifth hard cotton layer 5 by a lapping machine according to the required thickness of 50mm to move forwards; the first production line 44 is positioned between the third hard cotton layer 3 and the fifth hard cotton layer 5 in a roll shape;
(3) The third hard cotton layer 3 is flatly laid on the fifth hard cotton layer 5 and the fourth hard cotton layer 4 which move;
(4) preparation of the second hard cotton layer 2: weighing 40% of low-melting-point short fibers and 60% of bamboo fibers according to a proportion through a second production line 22, mixing and opening the short fibers and the bamboo fibers into single fibers, carding the single fibers into a web through a carding machine, and then laying the carded web on a moving fifth hard cotton layer 5, a fourth hard cotton layer 4 and a third hard cotton layer 3 according to the required thickness of 40mm through a lapping machine; the second production line 22 is positioned between the first hard cotton layer 1 and the third hard cotton layer 3 in a roll shape;
(5) the method comprises the following steps of flatly paving a first hard cotton layer 1 on the uppermost surfaces of a fifth hard cotton layer 5, a fourth hard cotton layer 4, a third hard cotton layer 3 and a second hard cotton layer 2 which move to form multilayer structure hard cotton 9, heating the multilayer structure hard cotton 9 in an oven 6 at the temperature of 210 ℃, melting low-melting-point fibers in the multilayer structure hard cotton 9 by hot air, and bonding surrounding fibers;
(6) the bonded hard cotton 9 with the multilayer structure continues to move forward and enters a cold air setting machine 7 for cooling and setting;
(7) and cutting the shaped multilayer structure hard cotton 9 into the size with the width of 2 meters and the length of 1.8 meters by a slicer 8, and then packaging and warehousing.
Example 2
The preparation method of the multilayer structure hard cotton for the mattress specifically comprises the following steps:
(1) preparation of the first, third and fifth hard cotton layers 1, 3, 5: 50 percent of white polyester short fibers and 50 percent of low-melting-point short fibers are subjected to batching, mixing and opening, carding, lapping and needling consolidation through a six-channel needling machine to prepare the first hard cotton layer 1 with the thickness of 20mm in a roll shape. 50 percent of white polyester short fibers and 50 percent of low-melting-point short fibers are subjected to batching, mixed opening, carding, lapping and needling consolidation by a six-channel needling machine to prepare the rolled third hard cotton layer 3 with the thickness of 5 mm. Preparing a roll-shaped fifth hard cotton layer 5 with the thickness of 30mm by batching, mixing, opening, carding, lapping and needling consolidation of 50 percent of white polyester short fibers and 50 percent of low-melting-point short fibers through a six-channel needling machine;
(2) preparation of the fourth hard cotton layer 4: weighing 15% of low-melting-point short fiber and 75% of jute fiber according to a proportion by a first production line 44, mixing and opening the short fiber and the jute fiber into single fibers, carding the single fibers into a web by a carding machine, and then paving the carded web on a moving fifth hard cotton layer 5 by a lapping machine according to the required thickness of 20mm to move forwards; the first production line 44 is positioned between the third hard cotton layer 3 and the fifth hard cotton layer 5 in a roll shape;
(3) The third hard cotton layer 3 is flatly laid on the fifth hard cotton layer 5 and the fourth hard cotton layer 4 which move;
(4) preparation of the second hard cotton layer 2: 30% of low-melting-point short fiber and 70% of bamboo fiber are proportioned and weighed according to the proportion through a second production line 22, mixed and loosened into single fiber shape, carded into a web through a carding machine, and then the carded web is laid on a moving fifth hard cotton layer 5, a fourth hard cotton layer 4 and a third hard cotton layer 3 according to the required thickness of 50mm through a lapping machine; the second production line 22 is positioned between the first hard cotton layer 1 and the third hard cotton layer 3 in a roll shape;
(5) the method comprises the following steps of flatly paving a first hard cotton layer 1 on the uppermost surfaces of a fifth hard cotton layer 5, a fourth hard cotton layer 4, a third hard cotton layer 3 and a second hard cotton layer 2 which move to form multilayer structure hard cotton 9, heating the multilayer structure hard cotton 9 in an oven 6 at 190 ℃, melting low-melting-point fibers in the multilayer structure hard cotton 9 by hot air, and bonding surrounding fibers;
(6) the bonded hard cotton 9 with the multilayer structure continues to advance and enters a cold air setting machine 7 for cooling and setting;
(7) and cutting the shaped multilayer structure hard cotton 9 into the size of 2.0 m in width and 1.5 m in length by a slitter 8, and packaging and warehousing.
Although embodiments of the present invention have been shown and described above, the above embodiments are exemplary, such as the type of fibrilia, and are not to be construed as limiting the present invention, the scope of which is defined by the claims.
Claims (5)
1. A multilayer structure hard cotton (9) for a mattress, characterized in that: the multilayer structure hard cotton (9) is formed by compounding and superposing five hard cotton layers; the first hard cotton layer (1) is positioned at the uppermost layer and consists of 50-75% by mass of polyester short fibers and 15-50% by mass of low-melting-point short fibers, and the thickness of the first hard cotton layer is 10-30 mm; the second hard cotton layer (2) is positioned below the first hard cotton layer (1) and is formed by mixing 15-50% by mass of low-melting-point short fibers and 50-75% by mass of bamboo fibers, and the thickness of the second hard cotton layer is 20-50 mm; the third hard cotton layer (3) is positioned below the second hard cotton layer (2) and consists of 50-75% by mass of polyester staple fibers and 15-50% by mass of low-melting-point staple fibers, and the thickness of the third hard cotton layer is 5-20 mm; the fourth hard cotton layer (4) is positioned below the third hard cotton layer (3) and is formed by mixing 15-50% by mass of low-melting-point short fibers and 50-75% by mass of fibrilia, and the thickness of the fourth hard cotton layer is 20-50 mm; the fifth hard cotton layer (5) is positioned below the fourth hard cotton layer (4) and consists of 50-75% by mass of polyester staple fibers and 15-50% by mass of low-melting-point staple fibers, and the thickness of the fifth hard cotton layer is 10-30 mm.
2. A preparation method of multilayer structure hard cotton (9) for a mattress is characterized by comprising the following steps:
(1) preparation of the first hard cotton layer (1), the third hard cotton layer (3) and the fifth hard cotton layer (5): preparing 50-75% of polyester staple fibers and 15-50% of low-melting-point staple fibers into a first hard cotton layer (1), a third hard cotton layer (3) and a fifth hard cotton layer (5) in a roll shape with different specifications and thicknesses according to the specific requirements of the mattress through batching, mixing, opening, carding, lapping and needling consolidation by a six-channel needling machine;
(2) preparation of the fourth hard cotton layer (4): weighing 15-50% of low-melting-point short fiber and 50-75% of fibrilia according to a proportion through a production line I (44), mixing and opening the short fiber and the fibrilia into a single fiber shape, carding the single fiber into a web through a carding machine, and then paving the carded web on a fifth rigid cotton layer (5) according to the required thickness by a lapping machine to move forwards together;
(3) spreading a third hard cotton layer (3) on the fifth hard cotton layer (5) and the fourth hard cotton layer (4) which move;
(4) preparation of the second hard cotton layer (2): weighing 15-50% of low-melting-point short fiber and 50-75% of bamboo fiber through a second production line (22) according to proportion, mixing and opening the short fiber and the bamboo fiber into single fiber, carding the single fiber into a web through a carding machine, and then laying the carded web on a fifth hard cotton layer (5), a fourth hard cotton layer (4) and a third hard cotton layer (3) according to the required thickness by a lapping machine;
(5) Flatly paving the first hard cotton layer (1) on the uppermost surfaces of the moving fifth hard cotton layer (5), the fourth hard cotton layer (4), the third hard cotton layer (3) and the second hard cotton layer (2) to form multilayer structure hard cotton (9), heating the multilayer structure hard cotton (9) in an oven (6), melting low-melting-point fibers in the multilayer structure hard cotton (9) by hot air, and bonding surrounding fibers;
(6) the bonded hard cotton (9) with the multilayer structure continues to move forward and enters a cold air setting machine (7) for cooling and setting;
(7) and cutting the shaped multilayer structure hard cotton (9) into required size by a cutter (8), and packaging and warehousing.
3. The multi-layered structured hard cotton (9) for a mattress according to claim 1, characterized in that: the bamboo fiber is natural bamboo fiber extracted from bamboo under the action of physical machinery, and is not chemical bamboo fiber.
4. The method for manufacturing the multi-layered structured hard cotton (9) for a mattress according to claim 2, characterized in that: the heating temperature of the oven (6) is 190-210 ℃.
5. The method for producing a multi-layered structure hard cotton (9) for a mattress according to claim 2, characterized in that: the first production line (44) is positioned between the third hard cotton layer (3) and the fifth hard cotton layer (5) in a roll shape; the second production line (22) is positioned between the first hard cotton layer (1) and the third hard cotton layer (3) in a roll shape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210150150.5A CN114517358A (en) | 2022-02-18 | 2022-02-18 | Multilayer structure hard cotton for mattress and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210150150.5A CN114517358A (en) | 2022-02-18 | 2022-02-18 | Multilayer structure hard cotton for mattress and preparation method thereof |
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| CN114517358A true CN114517358A (en) | 2022-05-20 |
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| CN202210150150.5A Pending CN114517358A (en) | 2022-02-18 | 2022-02-18 | Multilayer structure hard cotton for mattress and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000355864A (en) * | 1999-06-10 | 2000-12-26 | Toyoda Spinning & Weaving Co Ltd | Wadding material for vehicle sheet and production of the same material |
| CN102514258A (en) * | 2011-12-02 | 2012-06-27 | 江苏紫荆花纺织科技股份有限公司 | Composite environmental-friendly cushion and preparation method thereof |
| CN102787446A (en) * | 2012-06-28 | 2012-11-21 | 东莞市莲盈无纺科技有限公司 | Hard cotton and anion air purification plate, and manufacturing methods thereof |
| CN103054391A (en) * | 2013-01-04 | 2013-04-24 | 苏州摩维天然纤维材料有限公司 | Antibacterial and sweat-absorbent natural fiber bed core and preparation method thereof |
| CN104178924A (en) * | 2014-09-22 | 2014-12-03 | 丹阳市宇晟纺织新材料有限公司 | Manufacturing method for heat-storage acupuncture cotton |
-
2022
- 2022-02-18 CN CN202210150150.5A patent/CN114517358A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000355864A (en) * | 1999-06-10 | 2000-12-26 | Toyoda Spinning & Weaving Co Ltd | Wadding material for vehicle sheet and production of the same material |
| CN102514258A (en) * | 2011-12-02 | 2012-06-27 | 江苏紫荆花纺织科技股份有限公司 | Composite environmental-friendly cushion and preparation method thereof |
| CN102787446A (en) * | 2012-06-28 | 2012-11-21 | 东莞市莲盈无纺科技有限公司 | Hard cotton and anion air purification plate, and manufacturing methods thereof |
| CN103054391A (en) * | 2013-01-04 | 2013-04-24 | 苏州摩维天然纤维材料有限公司 | Antibacterial and sweat-absorbent natural fiber bed core and preparation method thereof |
| CN104178924A (en) * | 2014-09-22 | 2014-12-03 | 丹阳市宇晟纺织新材料有限公司 | Manufacturing method for heat-storage acupuncture cotton |
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