CN114734697B - Manufacturing process of gauze middle base fabric - Google Patents

Manufacturing process of gauze middle base fabric Download PDF

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Publication number
CN114734697B
CN114734697B CN202210273256.4A CN202210273256A CN114734697B CN 114734697 B CN114734697 B CN 114734697B CN 202210273256 A CN202210273256 A CN 202210273256A CN 114734697 B CN114734697 B CN 114734697B
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speed
cotton
machine
segment
needle
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CN114734697A (en
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张长春
蔡金钟
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Jinjiang Gangyi Fiber Co ltd
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Jinjiang Gangyi Fiber Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/008—Sewing, stitching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention provides a process for manufacturing a gauze middle base fabric, which comprises the following steps: putting low-melting cotton and environment-friendly high-molecular polymer into a mixer for loosening and mixing uniformly, entering into an opener for loosening after further mixing, then controlling feeding through a feeding roller, entering into a carding machine for carding, conveying the carded cotton web to a lapping machine for lapping through a conveying curtain, and respectively weaving the cotton web into single-needle straight-grain and double-needle diamond-grain Lixin embryo cloth by adopting a high-speed double-needle stitch-bonding machine; uniformly mixing, opening and carding the three-dimensional crimped fibers and the superfine fibers to obtain a needled cotton layer, folding the needled cotton layer by using a lapping machine, then entering a needling machine, firstly compounding single-needle straight-line beautiful green cloth with the needled cotton layer, and then compounding double-needle diamond-line beautiful green cloth on the needled cotton layer to obtain the gauze midsole cloth; finally, high-temperature shaping is carried out. The gauze obtained by the manufacturing process has the advantages of strong frosted feel on the surface of the medium base fabric, light weight, good elasticity, good foot feel, good air permeability and high physical property.

Description

Manufacturing process of gauze middle base fabric
Technical Field
The invention belongs to the technical field of midsole cloth, and particularly relates to a manufacturing process of a gauze midsole cloth.
Background
The middle base fabric is the fabric used for sewing the sole. The traditional shoe material midsole cloth is formed by gluing and bonding stitch-bonded non-woven fabrics (commonly known as Lixin cloth) and needled cloth, and the cloth has good warm-keeping effect, certain rigidity and soft feel and is comfortable to wear. The novel middle base fabric without using viscose has better performance than the traditional middle base fabric and simple manufacturing process, and is characterized in that stitch-bonded non-woven fabrics (commonly called as Lixin fabric) and needled fabrics are compounded together through a needling process, and the novel middle base fabric is characterized in that the type of the structure is two-layer or three-layer, one layer of the structure is stitch-bonded non-woven fabrics, the other layer is needled fabrics, and the stitch-bonded non-woven fabrics and the needled fabrics are connected through needled yarns. The three-layer structure is that the middle layer is needled cloth, the upper layer and the lower layer are stitch-bonded non-woven fabrics, and the upper layer and the lower layer are connected by needled wires.
The gauze midsole has the advantages of attractive appearance, ventilation, light weight and the like, so that the gauze midsole has high use frequency in the shoe manufacturing process. However, the problems of insufficient opening of stitch-bonded products, insufficient carding of a carding machine, unreasonable section speed of a lapping machine and the like often occur in the existing gauze middle base fabric in the manufacturing process, and the problems are not easy to solve in the manufacturing process. Therefore, there is a need to improve the process of making a mesh midsole such that a mesh midsole with a stable structure can be made.
Disclosure of Invention
The technical problems to be solved are as follows: aiming at the defects of insufficient product opening, insufficient carding of a carding machine and the like in the existing manufacturing process of the gauze midsole, the invention provides the manufacturing process of the gauze midsole, which is prepared by the manufacturing process, has micro-three-dimensional diamond grid patterns, and has the advantages of strong surface frosting feel, light weight, good elasticity, good foot feel, good air permeability and high physical property.
The technical scheme is as follows: a process for manufacturing a medium-sized gauze fabric comprises the following steps:
1) Manufacturing a single-needle straight grain Lixin embryo cloth: firstly, putting low-melting cotton and an environment-friendly high-molecular polymer into a mixer for first opening and mixing, then further mixing by a large-bin cotton mixer, then entering into an opener for second opening, controlling feeding by a feeding roller after opening, then entering into a carding machine for carding, conveying the carded cotton web to a lapping machine for lapping by a conveying curtain, and then knitting the cotton web into single-needle straight-grain new embryo cloth by a high-speed double-needle stitch knitting machine;
2) Manufacturing a double-needle diamond-line Lixin embryo cloth: firstly, putting low-melting cotton and an environment-friendly high-molecular polymer into a mixer for first loosening and mixing, then further mixing by a large-bin cotton mixer, then entering into an opener for second loosening, controlling feeding by a feeding roller after loosening, then entering into a carding machine for carding, conveying the carded cotton web to a lapping machine for lapping by a conveying curtain, and then weaving the cotton web into a double-needle diamond-line Lixin embryo cloth by a high-speed double-needle stitch-bonding machine;
3) Making a gauze middle base fabric: uniformly mixing, opening and carding the three-dimensional crimped fibers and the superfine fibers to obtain a needled cotton layer, folding the needled cotton layer by using a lapping machine, then entering a needling machine, firstly compositing the single-needle straight-line Lixin embryo cloth obtained in the step (1) with the needled cotton layer under the action of the needling machine, and compositing the double-needle diamond-line Lixin embryo cloth obtained in the step (2) on the needled cotton layer to obtain the gauze middle base fabric;
4) And (5) carrying out high-temperature setting on the gauze mid-base fabric through a tentering production line to obtain the finished gauze mid-base fabric.
In the step 1), low-melting cotton and environment-friendly high-molecular polymer with the weight ratio of 3:7 are put into a mixer; in the step 2), the low-melting cotton and the environment-friendly high-molecular polymer with the weight ratio of 1:30 are put into a mixer; in the step 3), the three-dimensional crimped fiber and the superfine fiber with the weight ratio of 19:1 are uniformly mixed, opened and then carded to obtain the needled cotton layer.
The low-melting cotton in the step (1) is the Fuwil low-melting cotton; the environment-friendly high molecular polymer is polyethylene glycol terephthalate.
The operation frequency of the opener for opening twice in the steps (1) and (2) is flat curtain: 10hz; inclined curtain: 15hz; pneumatic cotton box: 250hz; and (3) a fan: 39hz.
The equipment parameters of the carding machine in the steps (1) and (2) are chest tin Lin Zhuaisu: 43.2hz; chest cylinder work roll rotational speed: 30hz; main tin Lin Zhuaisu: 42.2hz; main cylinder work roll rotation speed: 30hz; middle doffer rotational speed: 23hz; feeding rotation speed: 19hz; doffer rotational speed: 12.6hz; front cluttered speed: 8.9hz; rear cluttered speed: 6.8hz.
The equipment parameters of the conveying curtain in the steps (1) and (2) are the rotating speed of the conveying curtain: 15hz; compensating curtain rotational speed: 11hz; reciprocating curtain synchronization frequency: 17.8hz.
The net laying machine in the steps (1) and (2) is 18 sections of servo control, and the equipment parameters are that the section speed is 1:1.1hz; segment speed 2:0.98hz; segment speed 3:0.98hz; segment speed 4:0.95hz; segment speed 5:0.95hz; segment speed 6:1hz; segment speed 7:1.2hz; segment speed 8:1.5hz; segment speed 9:1.35hz; segment speed 10:1.1hz; segment speed 11:1hz; segment speed 12:0.95hz; segment speed 13:0.9hz; segment speed 14:0.85hz; segment speed 15:0.95hz; segment speed 16:1.1hz.
The equipment parameters of the needling machine in the step (3) are the rotating speed of the 1 st needling machine: 30hz, feed rotational speed: 5.5 hz, discharge rotational speed: 9.8 hz, net plate depth: 005mm, stripping plate depth: -038mm; the rotating speed of the needling machine is 2: 38 hz, feed rotational speed: 4.12 hz, discharge rotational speed: 4.0 hz, net plate depth: -034mm, net stripping plate depth: 0mm; 3 rd needling machine rotational speed: 38 hz, feed rotational speed: 2.93hz, discharge rotational speed: 10.5hz, net plate depth: 013mm, net stripping plate depth: 007mm; the rotating speed of the 4 th needling machine: 35hz, discharge rotational speed: 9.8 hz, net plate depth: -007mm, net stripping plate depth: 002mm.
The parameters of the tenter line in the step (4) are as follows: 220 ℃; speed of: 15m/min.
The beneficial effects are that: the manufacturing process of the gauze middle base fabric provided by the invention has the following beneficial effects:
1. the gauze middle base fabric manufactured by the method has micro-stereoscopic diamond grid patterns, and is strong in surface frosting sense, light in weight, good in elasticity, good in foot feel, good in air permeability and high in physical property;
2. the breaking strength of the base fabric in the gauze manufactured by the invention is 30kgf/cm 2 The above-mentioned materials are excellent in breaking strength, elongation at break and tear strength.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The low melt cotton is fuweil low melt cotton, available from fuweil composite, inc.
The environment-friendly high polymer is polyethylene terephthalate, which is purchased from Shanghai bang plastic new material Co.
The three-dimensional crimped fiber was Fuwil 7D, available from Fuwil composite Inc., of Yangzhou.
The superfine fiber is polyester superfine fiber and can be purchased from Suzhou Hendex fiber limited company.
The embodiment provides a manufacturing process of a medium-sized gauze fabric, which comprises the following steps:
(1) Manufacturing a single-needle straight grain Lixin embryo cloth: firstly, putting 15kg of low-melting cotton and 35kg of environment-friendly high-molecular polymer into a mixer for first opening and mixing, then further mixing by a large-bin cotton mixer, then entering into an opener for second opening, controlling feeding by a feeding roller after opening, then entering into a carding machine for carding, conveying the carded cotton web to a lapping machine for lapping by a conveying curtain, and then knitting the cotton web into single-needle straight-grain Lixin embryo cloth by adopting a high-speed double-needle stitch knitting machine;
(2) Manufacturing a double-needle diamond-line Lixin embryo cloth: firstly, putting 2.5kg of low-melting cotton and 75kg of environment-friendly high-molecular polymer into a mixer for first opening and mixing, then further mixing by a large-bin cotton mixer, then entering into an opener for second opening, controlling feeding by a feeding roller after opening, then entering into a carding machine for carding, conveying the carded cotton web to a lapping machine for lapping by a conveying curtain, and then weaving the cotton web into a double-needle diamond-pattern Lixin embryo cloth by a high-speed double-needle stitch-bonding machine;
(3) Making a gauze middle base fabric: uniformly mixing 47.5kg of three-dimensional crimped fibers and 2.5kg of superfine fibers, opening, carding to obtain a needled cotton layer, folding the needled cotton layer by using a lapping machine, then entering a needling machine, firstly compounding the single-needle straight-line lissajous cloth obtained in the step (1) with the needled cotton layer under the action of the needling machine, and then compounding the double-needle diamond-shaped lissajous cloth obtained in the step (2) on the needled cotton layer to obtain the medium-sized gauze base fabric;
(4) And (5) carrying out high-temperature setting on the gauze mid-base fabric through a tentering production line to obtain the finished gauze mid-base fabric.
The single-needle straight grain gray fabric, the double-needle diamond grain gray fabric and the final finished gauze medium base fabric can be manufactured into different thickness specifications, and in the embodiment, the thickness of the single-needle straight grain gray fabric is 0.6mm, the thickness of the double-needle diamond grain gray fabric is 0.6mm, and the thickness of the final finished gauze medium base fabric is 3.0mm.
The operation frequency of the opener for opening twice in the steps (1) and (2) is flat curtain: 10hz; inclined curtain: 15hz; pneumatic cotton box: 250hz; and (3) a fan: 39hz.
The equipment parameters of the carding machine in the steps (1) and (2) are chest tin Lin Zhuaisu: 43.2hz; chest cylinder work roll rotational speed: 30hz; main tin Lin Zhuaisu: 42.2hz; main cylinder work roll rotation speed: 30hz; middle doffer rotational speed: 23hz; feeding rotation speed: 19hz; doffer rotational speed: 12.6hz; front cluttered speed: 8.9hz; rear cluttered speed: 6.8hz.
The equipment parameters of the conveying curtain in the steps (1) and (2) are the rotating speed of the conveying curtain: 15hz; compensating curtain rotational speed: 11hz; reciprocating curtain synchronization frequency: 17.8hz.
The net laying machine in the steps (1) and (2) is 18 sections of servo control, and the equipment parameters are that the section speed is 1:1.1hz; segment speed 2:0.98hz; segment speed 3:0.98hz; segment speed 4:0.95hz; segment speed 5:0.95hz; segment speed 6:1hz; segment speed 7:1.2hz; segment speed 8:1.5hz; segment speed 9:1.35hz; segment speed 10:1.1hz; segment speed 11:1hz; segment speed 12:0.95hz; segment speed 13:0.9hz; segment speed 14:0.85hz; segment speed 15:0.95hz; segment speed 16:1.1hz.
The equipment parameters of the needling machine in the step (3) are the rotating speed of the 1 st needling machine: 30hz, feed rotational speed: 5.5 hz, discharge rotational speed: 9.8 hz, net plate depth: 005mm, stripping plate depth: -038mm; the rotating speed of the needling machine is 2: 38 hz, feed rotational speed: 4.12 hz, discharge rotational speed: 4.0 hz, net plate depth: -034mm, net stripping plate depth: 0mm; 3 rd needling machine rotational speed: 38 hz, feed rotational speed: 2.93hz, discharge rotational speed: 10.5hz, net plate depth: 013mm, net stripping plate depth: 007mm; the rotating speed of the 4 th needling machine: 35hz, discharge rotational speed: 9.8 hz, net plate depth: -007mm, net stripping plate depth: 002mm.
The equipment parameters of the tentering production line in the step (4) are as follows: 220 ℃; speed of: 15m/min.
Each performance of the base fabric in the mesh yarn prepared in this embodiment was tested, and the test results obtained are shown in table 1 below.
Table 1 test results
The weight test methods of the tear strength, breaking strength, elongation at break, breaking strength and materials in table 1 above were as follows:
1. tear strength test method
1. Normative reference file: GB/T3917.2 fabric tear properties, trouser (single slit) tear strength measurement.
2. Test equipment: computer tensile testing machine (speed is adjustable between 100mm/min and 500 mm/min).
3. Sample specification: 3 pieces in warp (longitudinal) direction, 3 pieces in weft (transverse) direction, and the specification: 150mmX long and 75mm wide, and the slit is 75mm.
4. The test steps are as follows: starting a tensile testing machine, and setting the speed and the clamping distance: the speed is 300mm/min, and the clamping distance is 75mm; clamping two ends of a sample on an upper clamp and a lower clamp of a tensile machine respectively, wherein the clamped sample is required to be in the same plane, is kept in a vertical state and cannot be twisted, and the part of the sample exposed out of the upper clamp is consistent with the part exposed out of the lower clamp; starting a tensile testing machine to start testing; the tensile tester pulls the test specimen to break, and the force value of the whole process of the test specimen is recorded.
5. Test results: the tensile machine can finish the test after 75mm of running rise (if no obvious peak-valley value appears, the operation can be continued until the test is completely torn), the first peak value is not calculated in the whole test running graph, the average value of the 5 highest peak values is recorded as a test result, the unit is Newton (N), and the numerical value is accurate to an integer; taking the average value of 3 samples as a final result, and obtaining the accurate value to an integer.
2. Test method for breaking strength and breaking elongation
1. Normative reference file: GB/T3923.1, determination of fabric breaking strength and elongation at break, bar sample method.
2. Test equipment: computer tensile testing machine (speed is adjustable between 100mm/min and 500 mm/min).
3. Sample specification: 3 pieces in warp (longitudinal) direction, 3 pieces in weft (transverse) direction, and the specification: 150mmX long and 25.4mm wide.
4. The test steps are as follows: starting a tensile testing machine, and setting the speed and the clamping distance: the speed is 300mm/min, and the clamping distance is 100mm; clamping two ends of a sample on an upper clamp and a lower clamp of a tensile machine respectively, keeping the clamped sample on the same plane, keeping a vertical state, preventing the sample from being twisted, keeping the part of the sample exposed out of the upper clamp consistent with the part exposed out of the lower clamp, and starting the tensile machine to start testing; the tensile testing machine pulls the sample to fracture, and the maximum force value of the tensile testing machine and the distance between the two marked lines are recorded.
5. Test results:
5.1 breaking strength (N/2.54 cm) =maximum force at break (N), taking the average of 3 samples as the final result, the value is accurate to an integer.
5.2, calculating an elongation percentage formula:
elongation at break (%) = (total distance of punctuation at break-original punctuation distance)/original punctuation distance 100%, taking the average of 3 samples as final result, and the value is accurate to an integer.
3. Method for testing breaking strength
1. Normative reference file: GB/T7742.1, textile, fabric burst Performance, part 1: testing bursting strength and bursting expansibility, and hydraulic method.
2. Test equipment: burst strength tester.
3. Sample requirements: the sample is adjusted for at least 4 hours in a standard environment; 2 samples of 100mmX100 were cut out from the flat portion of the sample.
4. The test steps are as follows: the method comprises the steps of starting a power supply of a breaking strength testing machine, flatly placing a sample in a clamp of the testing machine, enabling the front surface of the sample to face upwards, rotating a rotary table to press the sample, enabling the clamping pressure to be 7.5kgf/cm (the carton is pressed, and the clamping pressure is 1 kgf/cm), and enabling a pointer of a pressure gauge to be zeroed; the pressurizing rod is operated to push to the pressurizing direction to enable the pressure to rise, the change of the sample is observed, when the sample is seen or heard to burst, the pressure rod is quickly pushed back, and the hydraulic pressure is quickly reduced; the maximum hydraulic pressure value on the tester pressure gauge is recorded and is the breaking strength of the sample.
5. Test results:
burst strength = burst strength tester reading, average of 2 samples calculated, with the result remaining one decimal place.
4. Method for testing weight of material
1. Normative reference file: GB/T4669 determination of mass per unit length and mass per unit area of textiles, wovens.
2. Measuring instrument: the balance can accurately measure the mass of the whole section or a piece of material with the accuracy of 0.001g.
3. Test environment and sample number:
3.1 the test is carried out in an environment with a temperature of 23.+ -. 2 ℃ and a humidity of 50.+ -. 5% for at least 24 hours.
3.2 representative samples were taken at least 3 at a portion of the region 10mm from the edge where no wrinkles were present, and were square samples of 10cmX cm in size or round samples of 100cm in area.
4. The test steps are as follows: the sample was weighed (in grams).
5. And (3) calculating results:
the weight in g/m was calculated by multiplying the weight in g of the sample by 100.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The manufacturing process of the medium-bottom gauze fabric is characterized by comprising the following steps:
1) Manufacturing a single-needle straight grain Lixin embryo cloth: firstly, putting low-melting cotton and an environment-friendly high-molecular polymer into a mixer for first opening and mixing, then further mixing by a large-bin cotton mixer, then entering into an opener for second opening, controlling feeding by a feeding roller after opening, then entering into a carding machine for carding, conveying the carded cotton web to a lapping machine for lapping by a conveying curtain, and then knitting the cotton web into single-needle straight-grain new embryo cloth by a high-speed double-needle stitch knitting machine;
2) Manufacturing a double-needle diamond-line Lixin embryo cloth: firstly, putting low-melting cotton and environment-friendly high-molecular polymer into a mixer for first opening and mixing, then further mixing by a large-bin cotton mixer, then entering into an opener for second opening, controlling feeding by a feeding roller after opening, then entering into a carding machine for carding, conveying the carded cotton web to a lapping machine for lapping by a conveying curtain, and then knitting the cotton web into a double-needle diamond-shaped linerless green fabric by a high-speed double-needle stitch knitting machine, wherein the operation frequency of the opener for two openings in the steps 1) and 2) is a flat curtain: 10hz; inclined curtain: 15hz; pneumatic cotton box: 250hz; and (3) a fan: 39hz, the equipment parameters of the carding machine are chest tin Lin Zhuaisu: 43.2hz; chest cylinder work roll rotational speed: 30hz; main tin Lin Zhuaisu: 42.2hz; main cylinder work roll rotation speed: 30hz; middle doffer rotational speed: 23hz; feeding rotation speed: 19hz; doffer rotational speed: 12.6hz; front cluttered speed: 8.9hz; rear cluttered speed: 6.8hz, the equipment parameters of the conveying curtain are the rotating speed of the conveying curtain: 15hz; compensating curtain rotational speed: 11hz; reciprocating curtain synchronization frequency: 17.8hz, the lapping machine is 18 sections of servo control, and the equipment parameters are that the section speed is 1:1.1hz; segment speed 2:0.98hz; segment speed 3:0.98hz; segment speed 4:0.95hz; segment speed 5:0.95hz; segment speed 6:1hz; segment speed 7:1.2hz; segment speed 8:1.5hz; segment speed 9:1.35hz; segment speed 10:1.1hz; segment speed 11:1hz; segment speed 12:0.95hz; segment speed 13:0.9hz; segment speed 14:0.85hz; segment speed 15:0.95hz; segment speed 16:1.1hz;
3) Making a gauze middle base fabric: uniformly mixing, opening and carding the three-dimensional crimped fibers and the superfine fibers to obtain a needled cotton layer, folding the needled cotton layer by using a lapping machine, then entering a needling machine, firstly compositing the single-needle straight-line Lixin embryo cloth obtained in the step (1) with the needled cotton layer under the action of the needling machine, and compositing the double-needle diamond-line Lixin embryo cloth obtained in the step (2) on the needled cotton layer to obtain the gauze middle base fabric;
4) And (5) carrying out high-temperature setting on the gauze mid-base fabric through a tentering production line to obtain the finished gauze mid-base fabric.
2. A process for making a scrim midsole according to claim 1, wherein: in the step 1), low-melting cotton and environment-friendly high-molecular polymer with the weight ratio of 3:7 are put into a mixer; in the step 2), low-melting cotton and environment-friendly high-molecular polymer with the weight ratio of 1:30 are put into a mixer; in the step 3), the three-dimensional crimped fiber and the superfine fiber with the weight ratio of 19:1 are uniformly mixed, opened and then carded to obtain the needled cotton layer.
3. A process for making a scrim midsole according to claim 1, wherein: the low melting cotton in the step (1) is the Fuwil low melting cotton; the environment-friendly high molecular polymer is polyethylene glycol terephthalate.
4. A process for making a scrim midsole according to claim 1, wherein: the equipment parameters of the needling machine in the step (3) are the rotating speed of the 1 st needling machine: 30hz, feed rotational speed: 5.5 hz, discharge rotational speed: 9.8 hz, net plate depth: 005mm, stripping plate depth: -038mm; the rotating speed of the needling machine is 2: 38 hz, feed rotational speed: 4.12 hz, discharge rotational speed: 4.0 hz, net plate depth: -034mm, net stripping plate depth: 0mm; 3 rd needling machine rotational speed: 38 hz, feed rotational speed: 2.93hz, discharge rotational speed: 10.5hz, net plate depth: 013mm, net stripping plate depth: 007mm; the rotating speed of the 4 th needling machine: 35hz, discharge rotational speed: 9.8 hz, net plate depth: -007mm, net stripping plate depth: 002mm.
5. A process for making a scrim midsole according to claim 1, wherein: the equipment parameters of the tentering production line in the step (4) are as follows: 220 ℃; speed of: 15m/min.
CN202210273256.4A 2022-03-19 2022-03-19 Manufacturing process of gauze middle base fabric Active CN114734697B (en)

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