CN115323594B - Production process of weft knitting knitted full-length cloth - Google Patents
Production process of weft knitting knitted full-length cloth Download PDFInfo
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- CN115323594B CN115323594B CN202210936519.5A CN202210936519A CN115323594B CN 115323594 B CN115323594 B CN 115323594B CN 202210936519 A CN202210936519 A CN 202210936519A CN 115323594 B CN115323594 B CN 115323594B
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- 239000004744 fabric Substances 0.000 title claims abstract description 164
- 238000009940 knitting Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000009960 carding Methods 0.000 claims abstract description 30
- 238000009941 weaving Methods 0.000 claims abstract description 20
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 238000004043 dyeing Methods 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000009835 boiling Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 229920000742 Cotton Polymers 0.000 claims description 37
- 238000005406 washing Methods 0.000 claims description 27
- 239000007921 spray Substances 0.000 claims description 21
- 239000012535 impurity Substances 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 12
- 238000009736 wetting Methods 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000012209 synthetic fiber Substances 0.000 claims description 8
- 229920002994 synthetic fiber Polymers 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000009991 scouring Methods 0.000 claims description 6
- 241000168254 Siro Species 0.000 claims description 5
- 238000009963 fulling Methods 0.000 claims description 4
- 210000001161 mammalian embryo Anatomy 0.000 claims description 4
- 238000004061 bleaching Methods 0.000 claims description 3
- 239000002738 chelating agent Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000002788 crimping Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention discloses a production process of knitted rich cloth, which comprises the following steps: the method comprises the steps of selecting double-hole hollow or single-hole and double-hole hollow mixed curled yarns, weaving by a weft knitting fur knitting machine, loosening cloth, boiling, dyeing, drying, carding, reeling, carding, shaping and the like, and designing a long coil formed by the curled yarns on one side of a fabric texture according to the knitting method processing principle of the knitted rich cloth fabric by selecting specific curled yarns, so that the rich cloth fabric in a three-dimensional curled state can be formed in a free state. The crimped yarn provided by the invention has internal stress after special treatment, the fiber is developed into a three-dimensional crimping form from a straightened state after wet and heat treatment to form a crimping diameter of 3-5mm, and the fiber is subjected to carding, grain shaking and carding Mao Sandao procedures to finish the three-dimensional crimping form of the fiber more uniformly and fully, so that the functions of softness, fluffy hand feeling and warmth retention are realized.
Description
Technical Field
The invention belongs to the technical field of knitted fabric manufacturing, and particularly relates to a production process of weft knitting knitted full-length cloth.
Background
The knitted pile fabric provides fluffy and soft appearance quality and warmth retention. The processing method is that the knitting fabric is hooked out by the loopers on the needle roller of the picking machine, a layer of fluff is generated to cover the surface, the texture is hidden, the fabric body is soft and plump, and the beauty and the warmth retention property are improved. The more fluffy the knitted pile fabric is, the more static air is contained, and the stronger the warm-keeping function is.
The knitted pile fabric is usually napped by selecting a single-sided lining weave on one side of the lining yarn or a double-sided jacquard weave on the side with the floating yarn. The yarns for texturing the napped face may be spun yarns or synthetic fiber filaments. For pile fabrics processed using synthetic fiber filaments, the type of filament stock is generally selected from conventional draw textured yarns. The existing knitting fleece in the market often has the problems of poor fluffiness, easy fleece falling and the like after fleece capturing, so that a novel cloth needs to be researched and developed to solve the problems.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the invention provides a production process of weft-knitted abundant-type cloth with fluffy hand feeling, which cuts yarns to form fluff in the weaving process and curls the fluff through wet and hot processing without roughening by equipment so as to thoroughly solve the problem of fluff falling caused by the damage of the fibers by roughening.
The technical scheme is as follows: the invention relates to a production process of weft knitting knitted abundant cloth, which is formed by connecting cloth cover and cloth bottom by connecting wires; the cloth surface is made of conventional pure cotton or cotton blended siro yarn 20S/1-50S/1; the connecting wire is selected from conventional low stretch yarn 50D-100D, the cloth bottom is selected from double-hole hollow or single-hole and double-hole hollow mixed crimped yarn, and the connecting wire is obtained by weaving through weft knitting.
Further, as a preferred embodiment, the method specifically comprises the following steps:
(1) Weaving embryo cloth: selecting a weft knitting double-sided knitting fur machine, weaving a path of plain weave by pure cotton or cotton blended yarn to obtain cotton or cotton blended base fabric, adopting 50D-100D polyester synthetic fiber filaments as up-and-down connection in a tuck form, selecting double-hole hollow or single-hole and double-hole hollow mixed curled yarns to weave on the cotton base fabric, and cutting off needle drawing position curled yarns before the circulation process of weaving the next path of the embryo fabric, so that one end of the curled yarns is exposed outside in a free form;
(2) Boiling cloth: placing the full-length cloth blank cloth prepared in the step (1) into a knitting open width continuous scouring and bleaching combination machine for scouring;
removing impurities and oil: the impurity removal and oil removal water tank is divided into four tanks, a wetting tank is additionally arranged, five tanks are combined, and the impurities are removed by countercurrent high-temperature hot water spray rinsing among the tanks, wherein the cloth feeding speed is 20-35 m/min; setting 60 ℃ in a cloth wetting box, adding water 2L according to the cloth feeding amount per kilogram in the wetting process, and adding a penetrating agent into the cloth wetting box; setting 90 ℃ in a first box to a third box for removing impurities and oil, adding a refining agent and an oil removing agent into the second box, wherein the total number of the high-pressure spray water washing pipes is 11; setting 80 ℃ for a fourth box, and 3 high-pressure spraying water washing pipes, wherein during impurity removal and oil removal, water is supplemented by 2-3L/kg according to the cloth feeding amount per kilogram, the net belt is conveyed in an open-width operation mode, the cloth storage time is 5-10 min, and the cloth discharging pressure is 3-4 kg;
feeding: the production temperature is 40 ℃, caustic soda, hydrogen peroxide and stabilizer are added, the cloth storage time is 0.5-0.8min, and the cloth outlet pressure is 1-2kg;
steaming: the production temperature is 100-105 ℃, the cloth storage time is 10-25min, and the cloth discharge pressure is 0kg;
washing: the washing tank is divided into five tanks for water supplement in a sectional way, countercurrent high-temperature hot water spray washing is carried out among the tanks, the first tank is set at 90 ℃, and 3 high-pressure spray washing pipes are arranged; setting 90 ℃ in a second tank and a third tank, wherein 4 high-pressure spray water washing pipes are respectively arranged, and supplementing water by 1-5L according to the cloth feeding amount of each kilogram in the process; setting 80 ℃ in a fourth tank, adding a chelating agent, wherein 4 high-pressure spray water washing pipes are arranged; setting a fifth box at 60 ℃ and arranging 3 high-pressure spray water washing pipes, wherein in the process, water is supplemented by 2-3L according to the cloth feeding amount of each kilogram; the net belt is conveyed in an open-width mode, the cloth storage time is 6-7 min, and the cloth discharge pressure is 1-2kg;
and (3) neutralization: in the process, water is supplemented by 2-3L according to the cloth feeding amount per kilogram, the production temperature is normal temperature, the PH value of the cloth cover is detected to be 6-6.5 on line, and the cloth discharging pressure is 3kg;
(3) Dyeing: arranging the boiled weft knitting knitted abundant-type cloth blank in an overflow dyeing machine for dyeing, heating the dyeing vat temperature from 40 ℃ to 110 ℃ at a speed of 3 ℃/min, preserving heat for 10 minutes to slowly shrink and curl the curled yarn, heating to 130-135 ℃ at a speed of 1 ℃/min, preserving heat for 30-45 minutes to dye the curled yarn, and then draining water to dye cotton components; finally, taking out the weft-knitted full-length cloth from the dye vat and drying; after the process, the fiber is developed into a three-dimensional curling form from a straightening state, and the curling diameter is 3-5mm;
(4) Carding, shaking, carding and shaping: and (3) performing primary carding, grain shaking, secondary carding and shaping on the dried weft-knitted rich-cloth color cloth to obtain the weft-knitted rich-cloth.
Further, as a preferred embodiment, in the step (4), aiming at the problems of uneven curled fluff and poor fluffiness caused by excessive curling of the curled yarns, the primary carding process is carried out three times, the primary carding tension of the three times is sequentially 1.5, 1.2 and 1.0N from large to small, and the machine speed is 10m/min, the fluff is uniformly carded.
Further, as a preferred embodiment, the weft knitting yarn-dyed cloth of the primary carding is put into a continuous steam grain shaking machine, five steps are set,
(1) The temperature is 90 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 Applying hot steam for 2min;
(2) The temperature is 90 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 10min;
(3) The temperature is 80 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 5min;
(4) The temperature is 60 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 5min;
(5) Room temperature, machine speed 350m/min, air volume 60m 3 /min, run for 15min;
and taking out the color cloth after fluffing and plumping through a five-step grain shaking process.
Further, as a preferred embodiment, the color cloth after shaking is combed again for the last time, so that the fluff particles are uniformly plumped, the tension is set to be 1.0N, and the machine speed is 10 m/min.
Further, as a preferred embodiment, the shaping process is specifically: and (3) shaping the fabric by a tentering hot air shaping machine, setting the temperature to 150 ℃, and properly adjusting an overfeeding needle frame at the machine speed of 20m/min to ensure that the fabric is smooth and the shrinkage is qualified.
The beneficial effects are that: the invention selects double-hole hollow or single-hole and double-hole hollow mixed curled yarns as raw materials, weaves the raw materials by a weft knitting fur machine, weaves the curled yarns on cotton base cloth by connecting yarns, cuts the cotton base cloth at a needle drawing position of a weaving long coil to enable one end to be in a free state, forms preliminary curl by wet and hot processing, well controls the curl degree by special gradient temperature treatment of the curled yarns in the free state, finally forms the curl with the diameter of about 3-5mm after processes such as carding, grain shaking and the like, supports the thickness of a raised layer in a three-dimensional curl shape, and realizes fluffy hand feeling and warm keeping functions. Compared with the conventional knitting wool grabbing cloth, the weft knitting knitted rich cloth prepared by the process has the advantages that the thickness and the bulk degree are obviously improved, and the warm-keeping effect is better.
Drawings
FIG. 1 is a schematic view of a knitted construction of the fabric of the present invention; wherein:
1.5 and 9 are 20S/1-50S/1 of pure cotton or cotton blended yarn;
2. 3, 6, 7, 10, 11 are conventional low stretch filaments 50D-100D;
4. 8 and 12 are double-hole hollow or single-hole and double-hole hollow mixed crimped yarns.
Description of the embodiments
The technical scheme of the present invention is described in detail by examples below, but the scope of the present invention is not limited to the examples.
The double-hole hollow or single-hole double-hole hollow mixed curling selected in the embodiment is purchased from: nanngshun chemical fiber limited.
Example 1: a production process of weft knitting knitted abundant cloth is formed by connecting cloth cover and cloth bottom by connecting wires; the cloth surface is made of conventional pure cotton or cotton blended siro yarn 20S/1-50S/1; the connecting wire is selected from conventional low stretch yarn 50D-100D, the cloth bottom is selected from double-hole hollow or single-hole and double-hole hollow mixed crimped yarn, and the connecting wire is obtained by weaving through weft knitting.
The method comprises the following steps:
(1) Weaving embryo cloth: knitting with 40S/1 pure cotton siro spun yarn to obtain cotton base cloth, adopting 50D/36F polyester synthetic fiber low stretch yarn as connecting yarn, and selecting 150D/72FX2 specification as double-hole hollow crimped yarn;
selecting a weft knitting double-sided knitting fur machine, weaving a path of plain weave by using 40S/1 pure cotton siro spinning to obtain pure cotton base cloth, adopting 50D/36F polyester synthetic fiber as an upper and lower connection in a tuck form, weaving 150D/72FX2 double-hole hollow crimped yarn on the cotton base cloth, and cutting off the needle-drawing position crimped yarn before the cyclic process of weaving the next path of the embryonic cloth, so that one end of the crimped yarn is exposed outside in a free form;
the method comprises the following steps: the upper needle dial and the lower needle dial are arranged in a crossed manner, the rib is opposite to the needle, and the lower needle dial is 1 needle for 1 needle extraction at intervals. The 1 st, 5 th and 9 th paths are woven by pure cotton or cotton blended yarns to obtain cotton or cotton blended base cloth; the 2 nd, 3 rd, 6 th, 7 th, 10 th and 11 th paths are woven by adopting 50D-100D polyester synthetic fiber low stretch yarns; and 4, 8 and 12 paths are selected to weave double-hole hollow or single-hole and double-hole hollow mixed crimped yarns.
The weaving process takes 12 needles as a cycle, and the weaving mode is as follows: the 1 st path is formed by looping upper needle plates 1, 2, 4, 5, 7, 8, 10 and 11; the 2 nd path is that the upper needle discs 1, 4, 7 and 10 needles are tucking, and the lower needle discs 5 and 11 needles are looping; the 3 rd path is that the needles 1, 3, 7 and 9 of the lower needle dial are looped; the 4 th, 8 th and 12 th paths are the lower needle trays 1, 3, 5, 7, 9 and 11 needles which are looped; the 5 th path is formed by looping upper needle plates 2, 3, 5, 6, 8, 9, 11 and 12 needles; the 6 th path is an upper needle dial 2, 5, 8 and 11 needle collection circle, and the lower needle dial 3 and 9 needles are looping; the 7 th path is the lower needle dial 1, 5, 7 and 11 needle looping; the 9 th path is formed by looping upper needle plates 1, 3, 4, 6, 7, 9, 10 and 12 needles; the 10 th path is that the upper needle discs 3, 6, 9 and 12 needles are tucking, and the lower needle discs 1 and 7 needles are looping; the 11 th way is that the lower needle dial 3, 5, 9 and 11 needles are looped;
(2) Boiling cloth: placing the full-length cloth blank cloth prepared in the step (1) into a knitting open width continuous scouring and bleaching combination machine for scouring;
removing impurities and oil: the impurity removal and oil removal water tank is divided into four tanks, a wetting tank is additionally arranged, five tanks are combined, and the impurities are removed by countercurrent high-temperature hot water spray rinsing among the tanks, wherein the cloth feeding speed is 20-35 m/min; setting 60 ℃ in a cloth wetting box, adding water 2L according to the cloth feeding amount per kilogram in the wetting process, and adding a penetrating agent into the cloth wetting box; setting 90 ℃ in a first box to a third box for removing impurities and oil, adding a refining agent and an oil removing agent into the second box, wherein the total number of the high-pressure spray water washing pipes is 11; setting 80 ℃ for a fourth box, and 3 high-pressure spraying water washing pipes, wherein during impurity removal and oil removal, water is supplemented by 2-3L/kg according to the cloth feeding amount per kilogram, the net belt is conveyed in an open-width operation mode, the cloth storage time is 5-10 min, and the cloth discharging pressure is 3-4 kg;
feeding: the production temperature is 40 ℃, caustic soda, hydrogen peroxide and stabilizer are added, the cloth storage time is 0.5-0.8min, and the cloth outlet pressure is 1-2kg;
steaming: the production temperature is 100-105 ℃, the cloth storage time is 10-25min, and the cloth discharge pressure is 0kg;
washing: the washing tank is divided into five tanks for water supplement in a sectional way, countercurrent high-temperature hot water spray washing is carried out among the tanks, the first tank is set at 90 ℃, and 3 high-pressure spray washing pipes are arranged; setting 90 ℃ in a second tank and a third tank, wherein 4 high-pressure spray water washing pipes are respectively arranged, and supplementing water by 1-5L according to the cloth feeding amount of each kilogram in the process; setting 80 ℃ in a fourth tank, adding a chelating agent, wherein 4 high-pressure spray water washing pipes are arranged; setting a fifth box at 60 ℃ and arranging 3 high-pressure spray water washing pipes, wherein in the process, water is supplemented by 2-3L according to the cloth feeding amount of each kilogram; the net belt is conveyed in an open-width mode, the cloth storage time is 6-7 min, and the cloth discharge pressure is 1-2kg;
and (3) neutralization: in the process, water is supplemented by 2-3L according to the cloth feeding amount per kilogram, the production temperature is normal temperature, the PH value of the cloth cover is detected to be 6-6.5 on line, and the cloth discharging pressure is 3kg;
(3) Dyeing: arranging the boiled weft knitting knitted abundant-type cloth blank in an overflow dyeing machine for dyeing, heating the dyeing vat temperature from 40 ℃ to 110 ℃ at a speed of 3 ℃/min, preserving heat for 10 minutes to slowly shrink and curl the curled yarn, heating to 130-135 ℃ at a speed of 1 ℃/min, preserving heat for 30-45 minutes to dye the curled yarn, and then draining water to dye cotton components; finally, taking out the weft-knitted full-length cloth from the dye vat and drying; after the process, the fiber is developed into a three-dimensional curling form from a straightening state, and the diameter of the formed curling is 3-5mm;
(4) Carding, shaking, carding and shaping: and (3) performing primary carding, grain shaking, secondary carding and shaping on the dried weft-knitted rich-cloth color cloth to obtain the weft-knitted rich-cloth.
Aiming at the problems of uneven fluff curl and poor fluffiness caused by excessive curl of curled yarns in the step (4), the primary carding process is carried out three times, the primary carding tension of the three times is sequentially 1.5, 1.2 and 1.0N from large to small, the machine speed is 10m/min, and the fluff is uniformly carded.
Putting the weft knitting yarn-enlarging cloth with the initial carding into a continuous steam grain shaking machine, setting five steps,
(1) The temperature is 90 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 Applying hot steam for 2min;
(2) The temperature is 90 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 10min;
(3) The temperature is 80 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 5min;
(4) The temperature is 60 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 5min;
(5) Room temperature, machine speed 350m/min, air volume 60m 3 /min, run for 15min;
and taking out the color cloth after fluffing and plumping through a five-step grain shaking process. Carding the color cloth after shaking to make the fluff particles plump uniformly, setting the tension to 1.0N, and finishing after the machine speed is 10 m/min;
finally, the fabric is shaped by a tentering hot air shaping machine, the temperature is set to 150 ℃, the machine speed is 20m/min, the overfeeding and needle frame are properly adjusted, the smoothness and the shrinkage of the fabric are ensured to be qualified, and finally the weft knitting knitted full-length cloth is formed.
The use effect of the weft knitting knitted abundant-type cloth prepared in the embodiment is compared with the use effect of the comparison sample cloth, and the specific comparison effect is shown in table 1:
wherein the comparison sample cloth adopts the same cotton cloth as a substrate, the same connecting line as the weft knitting knitted abundant cloth is adopted, and the surface layer is woven with the conventional polyester elastic yarn of 150D/72FX 2;
table 1 example 1 weft knitted full-length cloth and comparative sample cloth use effect comparative results
The weft knitting knitted full-length cloth width X gram weight of the embodiment is 68 inches X345g/m 2 The thickness of the weft knitting knitted rich cloth before carding and shaking is 2.72mm, the thickness after carding and shaking is 3.25mm, and the unhairing rate is 4.5 grade; the width X gram weight of the comparison sample cloth is 63 inches X340 g/m 2 The thickness before the fleece is 1.62mm, the thickness after the fleece is 2.01mm, and the dehairing rate is 4 grade; the heat transfer performance test shows that the heat preservation rate, the thermal resistance, the thermal insulation Crohn value and other indexes of the high-density fiber-reinforced fiber are higher than those of the comparative sample fiber. The comparison result shows that the weft knitting knitted plentiful cloth obtained by the process is soft, good in fluffing effect and good in heat preservation effect.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A production process of weft knitting knitted abundant cloth is characterized in that: the cloth cover and the cloth bottom are connected by connecting wires; the cloth surface is made of conventional pure cotton or cotton blended siro yarn 20S/1-50S/1; the connecting wire is selected from conventional low stretch yarn 50D-100D, the cloth bottom is selected from double-hole hollow or single-hole and double-hole hollow mixed crimped yarn, and the cloth bottom is obtained by weaving through weft knitting;
the method specifically comprises the following steps:
(1) Weaving embryo cloth: selecting a weft knitting double-sided knitting fur machine, weaving a path of plain weave by pure cotton or cotton blended yarn to obtain cotton or cotton blended base fabric, adopting 50D-100D polyester synthetic fiber low stretch yarn to connect up and down in a tuck form, selecting double-hole hollow or single-hole double-hole hollow mixed crimped yarn to weave on the cotton base fabric, and cutting off the needle drawing position crimped yarn before the circulation process of weaving the next path of the base fabric, so that one end of the crimped yarn is exposed outside in a free form;
the method comprises the following steps: the upper dial and the lower dial are arranged in a crossed manner, the rib is opposite to the needle, and the lower dial is 1 needle for 1 needle extraction at intervals; the 1 st, 5 th and 9 th paths are woven by pure cotton or cotton blended yarns to obtain cotton or cotton blended base cloth; the 2 nd, 3 rd, 6 th, 7 th, 10 th and 11 th paths are woven by adopting 50D-100D polyester synthetic fiber low stretch yarns; the 4 th, 8 th and 12 th paths are selected to weave by double-hole hollow or single-hole and double-hole hollow mixed crimped yarns;
the weaving process takes 12 needles as a cycle, and the weaving mode is as follows: the 1 st path is formed by looping upper needle plates 1, 2, 4, 5, 7, 8, 10 and 11; the 2 nd path is that the upper needle discs 1, 4, 7 and 10 needles are tucking, and the lower needle discs 5 and 11 needles are looping; the 3 rd path is that the needles 1, 3, 7 and 9 of the lower needle dial are looped; the 4 th, 8 th and 12 th paths are the lower needle trays 1, 3, 5, 7, 9 and 11 needles which are looped; the 5 th path is formed by looping upper needle plates 2, 3, 5, 6, 8, 9, 11 and 12 needles; the 6 th path is an upper needle dial 2, 5, 8 and 11 needle collection circle, and the lower needle dial 3 and 9 needles are looping; the 7 th path is the lower needle dial 1, 5, 7 and 11 needle looping; the 9 th path is formed by looping upper needle plates 1, 3, 4, 6, 7, 9, 10 and 12 needles; the 10 th path is that the upper needle discs 3, 6, 9 and 12 needles are tucking, and the lower needle discs 1 and 7 needles are looping; the 11 th way is that the lower needle dial 3, 5, 9 and 11 needles are looped;
(2) Boiling cloth: placing the full-length cloth blank cloth prepared in the step (1) into a knitting open width continuous scouring and bleaching combination machine for scouring;
removing impurities and oil: the impurity removal and oil removal water tank is divided into four tanks, a wetting tank is additionally arranged, five tanks are combined, and the impurities are removed by countercurrent high-temperature hot water spray rinsing among the tanks, wherein the cloth feeding speed is 20-35 m/min; setting 60 ℃ in a cloth wetting box, adding water 2L according to the cloth feeding amount per kilogram in the wetting process, and adding a penetrating agent into the cloth wetting box; setting 90 ℃ in a first box to a third box for removing impurities and oil, adding a refining agent and an oil removing agent into the second box, wherein the total number of the high-pressure spray water washing pipes is 11; setting 80 ℃ for a fourth box, and 3 high-pressure spraying water washing pipes, wherein during impurity removal and oil removal, water is supplemented by 2-3L/kg according to the cloth feeding amount per kilogram, the net belt is conveyed in an open-width operation mode, the cloth storage time is 5-10 min, and the cloth discharging pressure is 3-4 kg;
feeding: the production temperature is 40 ℃, caustic soda, hydrogen peroxide and stabilizer are added, the cloth storage time is 0.5-0.8min, and the cloth outlet pressure is 1-2kg;
steaming: the production temperature is 100-105 ℃, the cloth storage time is 10-25min, and the cloth discharge pressure is 0kg;
washing: the washing tank is divided into five tanks for water supplement in a sectional way, countercurrent high-temperature hot water spray washing is carried out among the tanks, the first tank is set at 90 ℃, and 3 high-pressure spray washing pipes are arranged; setting 90 ℃ in a second tank and a third tank, wherein 4 high-pressure spray water washing pipes are respectively arranged, and supplementing water by 1-5L according to the cloth feeding amount of each kilogram in the process; setting 80 ℃ in a fourth tank, adding a chelating agent, wherein 4 high-pressure spray water washing pipes are arranged; setting a fifth box at 60 ℃ and arranging 3 high-pressure spray water washing pipes, wherein in the process, water is supplemented by 2-3L according to the cloth feeding amount of each kilogram; the net belt is conveyed in an open-width mode, the cloth storage time is 6-7 min, and the cloth discharge pressure is 1-2kg;
and (3) neutralization: in the process, water is supplemented by 2-3L according to the cloth feeding amount per kilogram, the production temperature is normal temperature, the PH value of the cloth cover is detected to be 6-6.5 on line, and the cloth discharging pressure is 3kg;
(3) Dyeing: arranging the boiled weft knitting knitted abundant-type cloth blank in an overflow dyeing machine for dyeing, heating the dyeing vat temperature from 40 ℃ to 110 ℃ at a speed of 3 ℃/min, preserving heat for 10 minutes to slowly shrink and curl the curled yarn, heating to 130-135 ℃ at a speed of 1 ℃/min, preserving heat for 30-45 minutes to dye the curled yarn, and then draining water to dye cotton components; finally, taking out the weft-knitted full-length cloth from the dye vat and drying; after the process, the fiber is developed into a three-dimensional curling form from a straightening state, and the curling diameter is 3-5mm;
(4) Carding, shaking, carding and shaping: the dried weft-knitted rich cloth color cloth is subjected to primary carding, grain shaking, secondary carding and shaping for a plurality of times to obtain weft-knitted rich cloth;
aiming at the problems of uneven curled fluff and poor fluffiness caused by excessive curling of curled yarns in the step (4), the primary carding process is carried out three times, the primary carding tension of the three times is sequentially 1.5, 1.2 and 1.0N from large to small, the machine speed is 10m/min, and the fluff is uniformly carded.
2. The process for producing weft-knitted fabric of claim 1, wherein:
putting the weft knitting yarn-enlarging cloth with the initial carding into a continuous steam grain shaking machine, setting five steps,
the temperature is 90 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 Applying hot steam for 2min;
the temperature is 90 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 10min;
the temperature is 80 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 5min;
the temperature is 60 ℃, the machine speed is 300m/min, and the air quantity is 60m 3 /min, run for 5min;
room temperature, machine speed 350m/min, air volume 60m 3 /min, run for 15min;
and taking out the color cloth after fluffing and plumping through a five-step grain shaking process.
3. The process for producing weft-knitted fabric of claim 2, wherein: and carding the color cloth after shaking to make the fluff particles uniformly full, setting the tension to be 1.0N, and finishing after the machine speed is 10 m/min.
4. A process for producing weft-knitted fabric according to claim 3, characterized in that: the shaping process comprises the following steps: shaping the fabric by a tentering hot air shaping machine, setting the temperature to 150 ℃, adjusting the machine speed to 20m/min, properly adjusting overfeeding and needle frames, ensuring the flatness and qualified shrinkage of the fabric, and finally forming the curled fabric with the diameter of 3-5mm.
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