CN-121992544-A - Viscose/flax mixed air-jet spinning and filament yarn and synthetic strand production process

CN121992544ACN 121992544 ACN121992544 ACN 121992544ACN-121992544-A

Abstract

A viscose/flax mixed air spinning and filament yarn and synthetic strand yarn production process relates to the technical field of textile production, mixed fiber strips are produced through the processes of blowing, carding and drawing after viscose fiber and flax fiber are mixed, air spinning is produced through air spinning, then the mixed fiber strips and viscose filament yarn are combined on a doubling winder to produce a strand yarn on a two-for-one twister, wherein the viscose fiber content is 40% -46%, the flax fiber content is 33% -39%, the viscose filament yarn is 15% -27%, and the specification of the viscose/flax mixed air spinning and filament yarn and synthetic strand yarn is viscose/flax/55/45.9tex+120DR. The invention blends viscose fiber with excellent hygroscopicity and cohesion with flax fiber with high rigidity and poor cohesion, improves the defect of poor flax spinning performance, realizes the upgrading of common air spinning quality, has compact strand structure, less hairiness, high strength, strong and medium-soft yarn, is uniform and smooth, and makes the fabric with elasticity and softness, skin-adhering sweat-absorbing, antibacterial and wear-resisting properties, and high-quality row and column in ascend summer and autumn clothing, and enriches the varieties of air spinning products.

Inventors

LIU JIANNONG
FAN YONGGANG
LIU SHA
PENG ZHILONG

Assignees

际华三五四二纺织有限公司

Dates

Publication Date: 20260508
Application Date: 20241102

Claims (4)

1. The production process of the viscose/flax mixed air-jet spinning and filament yarn and composite strand yarn is characterized in that after viscose fiber and flax fiber are mixed, mixed fiber strips are produced through the processes of blowing, carding and drawing, air-jet spinning is carried out to produce air-jet spinning, then the air-jet spinning and the viscose filament yarn are combined in a doubling winder, and the mixed fiber strips are produced into the strand yarn on a two-for-one twister; The viscose/flax mixed air-flow spinning and filament yarn is characterized in that the viscose fiber content in the composite yarn accounts for 40% -46% of the total weight of the blended yarn, the flax fiber content accounts for 33% -39% of the total weight of the blended yarn, the viscose filament yarn content accounts for 15% -27% of the total weight of the blended yarn, and the viscose/flax fiber mixing ratio is 55/45.
2. A viscose/flax hybrid air-jet spinning and filament yarn and synthetic yarn production process as claimed in claim 1, comprising the steps of: ① . Before blending with viscose, the flax fiber raw material is subjected to antistatic softening treatment, crude oil and warm water are mixed, a crude oil solution is sprayed on the flax fiber raw material, after softening treatment for 12 hours, the flax fiber and the viscose raw material are put into a disc in proportion, and are loosened by manpower and uniformly mixed; ② . The blowing process comprises the steps of setting the rotating speed of each beater and the distance between dust bars according to the process principles of less grabbing, more carding and less falling, wherein the beater blades of an A002D plucker extend out of ribs by 2mm, the beater rotating speed is set to 750 rpm, the speed of the beater of the FA106C porcupine opener is set to 380 rpm, the distance between dust bars below the beater is reduced by a group of 5mm at the inlet, a group of 7mm at the middle and a group of 9mm at the outlet respectively, so as to reduce the falling amount of fibers, setting 700 rpm by the rotating speed of the three-wing comprehensive beater from an A092A type double-beater to an A076C single beater, setting the ration of a viscose-hemp mixed roll to 380 g/m, and ensuring that the rolls are uniform and have no broken holes; ③ . The carding process comprises the steps of configuring the card clothing types of a licker-in, a cylinder, doffers and a cover plate according to the process principles of flexible carding and less drop and multiple transfer, wherein the licker-in adopts AT5610 multiplied by 056109, the cylinder card clothing adopts AC2030 multiplied by 01740, the doffers card clothing adopts AD4030 multiplied by 02090, and the cover plate card clothing adopts MCB 40; the distance between the cotton feeding plate and the licker-in is enlarged to 0.65mm, the installation angle of the dust removing knife is 90 degrees, the height of the flat frame or more is enlarged to 9mm, the distance between the small drain bottom inlet and the cylinder-cover plate is respectively 0.25mm, 0.23mm and 0.25mm, the load of needle teeth filling is reduced, the cover plate rotates AT a low speed, the number of cover plate flowers is controlled, the rotating speed of the cylinder/licker-in is set according to 280/560 turns/minute, doffer runs according to 18 turns/minute, the raw evenness is fixed to 22 g/5 m, the tension of the cotton net is moderate, the cotton net is smoothly transferred, no flowback, no cloud spots and broken holes are generated, and the raw strip package is good; ④ . Drawing process, namely according to the process principle of decreasing draft and straightening parallel, 8 raw strips are fed into the drawing process in a first drawing mode, 6 raw strips are fed into the drawing process in a second drawing mode, the drawing multiple head of the rear zone is larger than that of the second drawing mode, the head drawing roller gauge is 16 mm multiplied by 26mm, the second drawing roller gauge is 14 mm multiplied by 24mm, the ration of the second drawing speed is 25 g/5 m, and the speed of a compression roller of the two drawing frames is 250 m/min; ⑤ . The air spinning process comprises the steps of selecting domestic tautan air spinning, adopting a process principle of larger twist and small draft, pressurizing a cotton plate by 15% -20% compared with pure cotton spinning, increasing the holding of the fiber, carrying out process negative pressure 6000pa-7000pa and impurity removal negative pressure 1500 pa-2000 pa, increasing the vacuum degree of a spinning cup, using OK36 with the diameter of phi 51mm, rotating the spinning cup for 60000 r/min, dividing the OS21 model of a carding roller, setting the rotating speed for 7000 r/min, setting the twisting coefficient for 460, adopting a grooving twisting blocking disc, improving the twisting efficiency, reducing broken ends, cleaning the air spinning twice per shift, carding fiber channels, cleaning the spinning cup and avoiding dust accumulation; ⑥ . The fixed twisting process comprises the steps of outsourcing viscose 120D filaments to twist, namely adding a Z twisting direction to 50 twists/10 cm, adopting a machine model of a filament two-for-one twister Taitan XB318, configuring a servo motor, reversely rotating a gear, adding the Z twisting to the viscose filaments, and performing dry steaming for 1 hour by a yarn steaming pot to fully release torque; ⑦ . Combining viscose/flax mixed air-flow spinning with 50-twist viscose filament yarns on a doubling winder, adjusting tension setting difference between yarns to make the tension of the yarns consistent, and controlling the generation of braided yarns; ⑧ . The twisting process includes the steps of twisting, visual observation of hand feeling, controlling weak twisting and poor twisting, running at 5000 rpm and low speed to reduce exposed viscose filament yarn, or cutting off exposed viscose filament yarn with Uster electric cleaner and twisting with air or water to eliminate joint.
3. The viscose/flax mixed air-jet spinning and filament yarn and synthetic strand yarn production process according to claim 1, wherein the specification of the viscose fiber is 1.33dtex×38mm, the specific resistance is 7.0×107 Ω & cm, the moisture regain is 12.7%, the breaking strength is 2.17cN/dtex, the flax fiber is 27mm long, the breaking strength is 48.5cN/dtex, the moisture regain is 10.3%, the fineness is 2100, the linter rate is more than 23%, and the viscose filament yarn is 120D viscose filament yarn.
4. The process for producing the viscose/flax hybrid air-jet spun yarn and filament yarn composite yarn according to claim 1, wherein the viscose/flax hybrid air-jet spun yarn is 48.9tex air-jet spun yarn, the twist factor of the viscose/flax hybrid air-jet spun yarn and filament yarn composite yarn is 410, and the specification of the viscose/flax/55/45.9 tex+120DR.

Description

Viscose/flax mixed air-jet spinning and filament yarn and synthetic strand production process Technical Field The invention relates to the technical field of textile production, in particular to a viscose/flax mixed air-jet spinning and filament yarn and strand yarn synthesis production process. Background As a novel spinning process, the air spinning has the characteristics of high yield, large package and short working procedure, and due to the particularities of the condensation, stripping and twisting processes, the air spinning is suitable for spinning products which mainly use pure cotton short fibers, and the products mainly use coarse pure cotton yarns, but have fewer fine air spinning yarns and blended yarns, and the types of the products are limited. To break the inertial thinking mode of adopting traditional cotton fiber leftovers as raw materials in air spinning, the improvement of yarn supporting structure and the improvement of the quality of air spinning yarns are started, differential fibers, hemp, silk and the like are adopted as raw materials, viscose fibers and flax fibers are mixed to manufacture the air spinning, various yarns with different functions are developed, and the product upgrading of common air spinning is realized. Therefore, it is important to study a viscose/flax mixed air spinning and filament and synthetic strand production process. Disclosure of Invention In order to overcome the defects of the prior art, the invention aims to provide a viscose/flax mixed air-jet spinning and filament yarn combined yarn production process, which is used for blending viscose fibers and flax fibers to manufacture air-jet spinning and further combining the viscose fibers and the flax fibers to produce yarn so as to overcome the defect that air-jet spinning equipment cannot realize short plates for fiber blending and enrich the varieties of air-jet spinning products. In order to achieve the above-mentioned purpose, the invention relates to a viscose/flax mixed air spinning and filament yarn and synthetic strand yarn production process, said viscose/flax mixed air spinning and filament yarn and synthetic strand yarn mix from viscose fiber and flax fiber, make into the mixed fiber strip through blowing, carding, drawing process, make into the air spinning through the air spinning, then combine with viscose filament yarn in the doubling winder, make into the strand yarn on the two-for-one twister; The viscose/flax mixed air-flow spinning and filament yarn is characterized in that the viscose fiber content in the composite yarn accounts for 40% -46% of the total weight of the blended yarn, the flax fiber content accounts for 33% -39% of the total weight of the blended yarn, the viscose filament yarn content accounts for 15% -27% of the total weight of the blended yarn, and the viscose/flax fiber mixing ratio is 55/45. Further, a viscose/flax mixed air spinning and filament yarn and synthetic strand yarn production process comprises the following steps: ① . Before blending with viscose, the flax fiber raw material is subjected to antistatic softening treatment, crude oil and warm water are mixed, a crude oil solution is sprayed on the flax fiber raw material, after softening treatment for 12 hours, the flax fiber and the viscose raw material are put into a disc in proportion, and are loosened by manpower and uniformly mixed; ② . The blowing process comprises the steps of setting the rotating speed of each beater and the distance between dust bars according to the process principles of less grabbing, more carding and less falling, wherein the beater blades of an A002D plucker extend out of ribs by 2mm, the beater rotating speed is set to 750 rpm, the speed of the beater of the FA106C porcupine opener is set to 380 rpm, the distance between dust bars below the beater is reduced by a group of 5mm at the inlet, a group of 7mm at the middle and a group of 9mm at the outlet respectively, so as to reduce the falling amount of fibers, setting 700 rpm by the rotating speed of the three-wing comprehensive beater from an A092A type double-beater to an A076C single beater, setting the ration of a viscose-hemp mixed roll to 380 g/m, and ensuring that the rolls are uniform and have no broken holes; ③ . The carding process comprises the steps of configuring the card clothing types of a licker-in, a cylinder, doffers and a cover plate according to the process principles of flexible carding and less drop and multiple transfer, wherein the licker-in adopts AT5610 multiplied by 056109, the cylinder card clothing adopts AC2030 multiplied by 01740, the doffers card clothing adopts AD4030 multiplied by 02090, and the cover plate card clothing adopts MCB 40; the distance between the cotton feeding plate and the licker-in is enlarged to 0.65mm, the installation angle of the dust removing knife is 90 degrees, the height of the flat frame or more is enlarged to 9mm, the distance between the small drain bottom inlet and t