30results about How to "Good quality yarn" patented technology

The invention relates to a jet spinning apparatus (5) for producing a thread (20) by means of a circulating airflow, having a hollow spinning cone (19) which is arranged in a spinning housing (15), and having two separate groups of blown air nozzles (25, 30) which can be loaded with compressed air independently of one another, wherein the strength of a vacuum flow which acts on a sliver inlet opening (22) during the spinning process can be set via the arrangement of a first group of blown air nozzles (25) and the strength of an airflow which circulates in the region of the spinning cone (19) can be predefined via the arrangement of a second group of blown air nozzles (30). There is provision according to the invention for the blown air nozzles (25) of the first group to be arranged offset at a spacing (b) with regard to the longitudinal centre axis (24) of the jet spinning apparatus (5), with the result that an airflow can be introduced into the jet spinning apparatus (5) via the blown air nozzles (25) during the spinning process, which airflow has a tangential blown air component in order to assist the airflow which circulates in the region of the spinning cone (19).

The invention provides a cheese fiber removal method for producing hemp/cotton and linen/ high count cotton yarns, which comprises the following steps of: (1) winding blended spinning single yarns or blended spinning compound yarns on a loose type cheese winder into cheese; (2) controlling the following production conditions on a cheese dyeing machine: a temperature of between 60 and 100 DEG C, a liquor ratio of between 1:10 and 1:30, water exchange times of 1 to 6, a specific discharge of 50 to 70L/kg.min, and fiber removal time of 1 to 6 hours; and (3) removing water soluble PVA fibers from the cheese to obtain high count single yarns or high count compound yarns of hemp/cotton or linen/cotton. The single yarns or the compound yarns obtained after fiber removal by the method have the advantages of uniform fiber removal, capability of realizing high-speed unwinding without winding, and capability of being directly used in post processing of weaving and knitting, thereby laying the foundation for revealing the superior performances of the hemp/cotton and the linen/cotton, widening the application scope of hemp/cotton and linen/cotton products, and producing thin hemp/cotton and linen/cotton products with high quality.

The invention discloses flame-retardant anti-molten-drop antistatic core-spun yarn and a preparation method thereof. The preparation method of the flame-retardant anti-molten-drop antistatic core-spunyarn comprises the following steps that aramid fibers, flame-retardant viscose fibers and antistatic fibers are mixed and then subjected to combing, drawing and roving in sequence, and the mixture and mixed nylon filaments are subjected to core spun yarn spinning; spooling is carried out, and the core-spun yarn is obtained, wherein the nylon filaments are a mixture obtained through drawing and mixing of flame-retardant nylon filaments and non-flame-retardant nylon filaments. According to the method, the aramid fibers, the flame-retardant viscose fibers, the flame-retardant nylon filaments, the high-strength non-flame-retardant nylon filaments and conductive fibers serve as main components, and a flame-retardant anti-molten-drop fabric is prepared through blending spinning and weaving technologies. The fabric has the advantages of being retardant to flame, resistant to molten drops, high in strength, antistatic, easy to dye, low in cost, simple in process, good in yarn quality and thelike, can be used for meeting requirements in the aspect of special operations and can also meet requirements in the aspects of uniforms and the like.

The invention discloses a blended yarn of cotton fibers, hemp fibers and bamboo fibers and a production process thereof. The production process comprises the steps of material preparation, ramie cotton yarn strand preparation, bamboo cotton yarn strand preparation and blending doubling, wherein the cotton fibers, the hemp fibers and the bamboo fibers which are used by the blended yarn are all carefully selected from superior fiber materials. By blending the bamboo fibers with the cotton fibers and the hemp fibers, the cotton fibers, the hemp fibers and the bamboo fibers give full play to theirfiber advantages, the textile yarn with better hygroscopicity, higher air permeability and good drapability is obtained, and the yarn is used for spinning cloth and making clothing, is soft in texture and cool and comfortable when worn, has the advantages such as softness of cotton, the antistatic property of hemp and smoothness of bamboos, has a high additional value, meets the demands of high-end fabrics, and has good economic benefits.

A spinning device for producing low-twisted yarn, comprising a ring spinning machine and a false twist device, the false twist device is placed between the output roller pair and the yarn guide hook of the ring spinning machine, and the false twist device is arranged on Directly above the yarn guide hook, the yarn guide angle between the output roller pair and the false twist device is at a fixed angle. The invention has the advantages of simple structure of the spinning device, convenient and low-cost transformation of the existing ring spinning machine and good quality of the prepared yarn.

The invention relates to a high-speed wire twisting spindle, in particular to a high-speed wire twisting spindle, belonging to the technical field of textile machinery. According to the technical scheme provided by the invention, the high-speed wire twisting spindle comprises a bobbin; a sleeve is fixedly connected with the inner part of the bobbin; one end of the bobbin is fixedly connected witha transmission ring, the bobbin is provided with a wharve, corresponding to the end provided with the transmission ring, the wharve is fixed with the bobbin through the transmission ring; a spindle rod is arranged in the sleeve; one end of the spindle rod penetrates through the wharve and then extends into the sleeve to be fixedly connected with the wharve and the sleeve; the other end of the spindle rod is provided with a spindle base, the spindle rod penetrates through the spindle base, and the spindle rod can rotate relative to the spindle base. The spindle of the invention has large package capacity, high rotation speed, small vibration and high automation without stopping or maintaining.

The invention discloses a combined structure of a lower support double-runway conical ring and a steel wire ring, wherein an included angle alpha 1 between the inner runway (1a) of a lower support ring (1) and a horizontal coordinate axis is equal to 65-89 degrees; a dent with a depth of h1 is arranged on the outer side of the top of the lower support ring (1); the outer end of the dent is lower than the inner end of the dent so that an inclined surface with an inclined angle alpha 2 is formed; when yarns (3) run normally on the lower support ring (1) along with a lower support steel wire ring (2), the lower support steel wire ring (2) is at a lifting running state by means of an acting force of F; and simultaneously, the ab segment inner leg of the lower support steel wire ring (2) is tightly attached to the inner runway (1a) of the lower support ring (1) together, and the cd segment outer leg of the lower support steel wire ring (2) is tightly attached to the outer runway (1b) of the lower support ring (1) together. Through the structure, the contact area between the ring and the steel wire ring is increased, stable movement of the steel wire ring on the ring is ensured, the service life of the steel wire ring is prolonged, broken ends are reduced, and the spinning quality is improved.

The invention relates to antimicrobial blended yarn. The antimicrobial blended yarn comprises an antimicrobial layer and an antimicrobial blended yarn body, and the antimicrobial layer is manufactured by conducting finishing liquid padding treatment on antimicrobial blended yarn body and is prepared from 1-2 parts of fatty amine polyoxyethylene ether, 1-2 parts of polyacrylic acid, 2-3 parts of sorbic acid, 0.9-1.2 parts of sodium chloride, 0.9-1.2 parts of diethylenetriamine, 0.6-0.8 part of hawthorn kernel extracting liquid, 0.4-0.6 part of decamethylene biguanide dihydrochloride and 20-30 parts of deionized water. The antimicrobial blended yarn has the advantages that by conducting complementary optimization on bamboo fiber, polyester fiber and viscose, and through the finishing liquid padding treatment, the antimicrobial layer is formed to integrate the advantages of the bamboo fiber of resisting bacteria, conducting deodorization, absorbing moisture and being breathable, soft, draped, cool and comfortable and the function of the polyester fiber of inhibiting the bacteria, resisting the bacteria and preventing ultraviolet, so that the antimicrobial blended yarn gives play to the respective advantages, and the structure of resultant yarn is optimized.

A double-region elastic drafting device of a spinning frame comprises a cradle body (10), a cradle rod (12), a rear upper roller (14), a front leather roller (16), a torsional spring frame (17), a lower pin (18), a front roller (20), an upper pin (23), a leather roller clamp (24), a roller slide base (25), a roller base (28), an upper middle roller (31) and a lower rear roller (33). A long leather ring (19) is arranged on the lower rear roller (33), the lower pin (18) and the torsional spring frame (17) in a sleeving mode. A short leather ring (15) is arranged on the rear upper roller (14) and the upper pin (23) in a sleeving mode, makes friction contact with the portion, on the lower rear roller (33), of the long leather ring (19) and is matched with the long leather ring (19) to form a rear region mechanism of the drafting device (E), the rear region mechanism is connected and matched with a front region mechanism of the drafting device (E), and the double-region elastic drafting device is formed. The upper pin (23) is a spring swing pin. The elastic drafting mode of the leather ring arranged on the rear region mechanism of the drafting device (E) improves rear-region guiding force, speed changing points of fibers become normal, stress of fiber silvers is uniform, slubs of yarn are reduced, spinning quality is good, and production efficiency is high.

The invention discloses a judo uniform fabric weaving method. It includes the steps of yarn doubling, twisting, diameter adjustment, hedging and weaving. The judo clothing fabric weaving method provided by the invention is to use strands with more strands than ordinary fabrics as raw materials, and simultaneously transform the three rows of heald curtains on the existing GA615 loom into five rows of heald curtains to produce the judo clothing fabric. Because the yarn quality selected by the present invention is good, and the weaving process and equipment design are reasonable, it can produce judo suit fabrics that can meet the requirements of international standards in terms of thickness, density and other indicators. After testing the tensile strength of the judo suit fabrics The strength is as high as 2000 Newtons, which fills the gap in the production of judo clothing fabrics in my country.

The invention relates to the technical field of glass fiber impregnating compounds, in particular to an impregnating compound for low-dielectric glass fiber direct yarn and a preparation method of the impregnating compound. Theimpregnating compound comprises the following components: a film-forming agent, a lubricant, a coupling agent, a pH regulator and deionized water.The film-forming agent is composed of low molecular weight bisphenol A type epoxy resin emulsion and medium molecular weight bisphenol A type epoxy resin emulsion, the molecular weight range of bisphenol A type epoxy resin in the low molecular weight bisphenol A type epoxy resin emulsion is 300-450, and the molecular weight range of bisphenol A type epoxy resin in the medium molecular weight bisphenol A type epoxy resin emulsion is 1000-1400. The hairiness of the low-dielectric glass fiber direct yarn can be reduced, the yarn quality is improved, sanding is not easy to generate in the weaving process, the yarn quality is improved, the yarn bundling property is improved, the yarn flexibility is increased, the tensile strength and the bending strength of the yarn are improved, and the interface bonding force with resin is enhanced.

The invention relates to a blended core-spun yarn for gauze and a manufacture method thereof. The blended core-spun yarn is made from, by mass, cellulose fibers 45-65%, spandex fibers 10-20% and cashmere fibers 20-30%. The manufacture method includes the following steps: S1, raw material mixing: artificially mixing the cellulose fibers and the cashmere fibers; S2, spinning: carding blended raw materials obtained in the step S1, drawing, performing secondary drawing, sterilizing, processing to obtain roving, and conducting core spinning together with the spandex fibers; spooling to obtain the blended core-spun yarn for the gauze. The blended core-spun yarn has the advantages of low cost, simple process, excellent yarn quality and low microbial residue.

The invention discloses an anti-dripping wear-resistant anti-static flame-retardant nylon-blended camouflage cloth and a preparation method thereof. The preparation method comprises the following steps that (1) after an aramid fiber, a flame-retardant viscose fiber and an anti-static fiber are mixed, carding, drawing and roving are carried out in sequence to obtain rough yarn, a non-flame-retardant nylon filament is adopted as a core of the rough yarn, a flame-retardant nylon filament winds around an outer layer of the rough yarn, spun yarn is spun out and subjected to spooling, and a blendedwrapped and cored yarn is obtained; and (2) the blended wrapping and cored yarn is woven to obtain a grey fabric, the grey fabric is subjected to boiling, oxygen bleaching, mercerization and camouflage printing treatment in sequence, a printed cloth is obtained, and the printed cloth is subjected to ageing treatment to obtain the camouflage cloth. Fabric prepared by the preparation method of the anti-dripping wear-resistant anti-static flame-retardant nylon-blended camouflage cloth has the advantage that the fabric retards flame, resists dripping, is high in strength, can be subjected to dyeing and camouflage printing easily, resists static, is low in cost, easy in procedures and superior in yarn quality and the like; and the fabric is especially suitable for requirements in the aspect ofspecial operations, and can further meet requirements in aspects such as other overall uniforms.

The invention relates to a drive device for a separating roller (34) of a comber (4), the drive device having a housing (60a) surrounding a gear device (51a). The gear device (51a) has a first drive train (62) of a drive shaft (64), the first drive shaft (64) transmits a continuous rotational motion to the separating roller (34) via a hollow wheel (74) of a differential gear device (66), and the gear unit (51a) has a second drive train (68) with a separation roller auxiliary shaft (70), and the separation roller cam disc device (72) is disposed on the separation roller auxiliary shaft (70) togenerate forward and backward movement. Through the continuous rotational movement of the hollow wheel (74) and the forward and backward movement of the separation cam disc device (72), the reciprocating motion is transmitted to a separating roller. According to the invention, an adjustment mechanism (158) is provided for adjusting the gear ratio between the continuous rational motion and the forward and backward movement.