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

The present invention provides a spinning apparatus for producing low-torque ring-spun yarns, wherein the apparatus comprises a ring spinner and a false-twist device; the false-twist device is arranged between a pair of output rollers of the ring spinner and a yarn guiding ditch, and a yarn orienting device is installed between the false-twist device and the yarn guiding ditch; the yarn orienting device comprises an orientation member, wherein the upper portion of the orientation member is provided with a yarn supporting curved surface, and yarns are leaned against the yarn supporting curved surface of the orientation member. The present invention is advantageous in that the structure of the spinning apparatus is simple, the existing ring spinner can be conveniently reconstructed with low cost, and the qualities of the produced yarns are good. The spinning apparatus provided by the invention can be applied to the solospun, siro spining, Sirofil spining and compact spinning devices for ring spining or combinations of the devices.

The invention provides terylene and viscose blended yarns, which comprises the following components in percentage by weight: 60 to 70 percent of terylene fibers and 30 to 40 percent of viscose fibers, wherein the terylene fibers may be the terylene fibers with fineness of 1.2D and 1.5D; and the viscose fibers may be the viscose fibers with fineness of 1.2D and 1.5D. The terylene and viscose blended yarns in the invention have the technical advantages that: 1) the process is simple, and the characteristics of the terylene fibers and viscose fibers can be complemented well; 2) the blended yarns have better yarn characteristics; and 3) fabrics prepared from the blended yarns in the invention have better service functions and meet requirements of people on comfortable dressing.

The invention provides an acrylic fiber and wool blended yarn which comprises the following components in percent by weight: 80-90 percent of acrylic fiber and 10-20 percent of wool fiber, wherein the fineness of the acrylic fiber is 1.5D and the length of the acrylic fiber is 38mm. The acrylic fiber and wool blended yarn has the advantages that: 1, the process is simple, and characteristics of the acrylic fiber and the wool fiber can be better compensated; 2, better yarn properties are obtained; and 3, the fabric made of the blended yarn has better taking function and meets the requirement on comfortable clothes for people.

The invention relates to a method for spinning staple fibres on ring-spinning machines, wherein a staple fibre composite is drawn in a drawing frame and, during exit from the drawing frame, is twistedto form a thread and is wound up by means of a traveler device. The fibre composite (F') which emerges from the drawing frame runs through a thread guide device (1) which has a twisting apparatus (10) which is equipped with a brake device (13, 13'). The completely twisted thread (F) is guided over a spindle attachment (33) which is provided with grooves (32, 35), immediately after leaving the twisting apparatus (10). The method is carried out by way of an apparatus for spinning staple fibres on ring-spinning machines, which apparatus comprises a thread guide device which has a twisting element which is arranged at a spacing above the upper end of the ring spindle and is coupled to the ring spindle via a magnetic force field. An attachment (33) which is arranged on the ring spindle (3) andhas grooves (32, 35) on its circumference for driving the thread (F) which emerges from the twisting element (10) is connected behind the twisting element (10).

Fabric for an airbag, comprising warp threads and weft threads, in particular using multifilaments, characterized by a weave density greater than the 95% Professor Walz standard. It can also have a permeability (LD) of less than 3 l / dm<2> / min (at 500 Pa differential pressure) pursuant to ISO 9237, and can be characterized by a warp / weft insertion ratio greater than 1.

The invention relates to a tencel / flax vortex spinning elastic core-spun yarn and a preparation method thereof. The core-spun yarn is composed of a central T400 composite elastic filament and an outer wrapping fiber, wherein the outer wrapping fiber is composed of tencel and flax. The prepared tencel / flax vortex spinning elastic core-spun yarn and a subsequent fabric are overhung, elegant, moisture-absorbing, breathable, smooth in silk quality, antibacterial, mildew-proof, green and environment-friendly, and the core-spun yarn integrates the advantages of the elastic core yarn and is comfortable to wear and good in shape retention; and compared with a traditional flax blended product, the problem that the dyeing degree of flax fibers is lighter than that of tencel fibers after dyeing, and the problem that the blending ratio of the flax fibers of a final product is reduced can be remarkably solved.

Spinning device for producing low-twist yarn, including a ring spinning machine and false twisting device, the false twisting device is placed between the output roller pair and the yarn guide hook of the ring spinning machine, and placed on the yarn guide hook Directly above. The present invention has the advantages that the existing spinning device can be fully utilized and the effect of false twisting can be achieved only by setting the false twisting device directly above the yarn guide hook and fixing it. Therefore, the structure of the whole spinning device is simple, and The existing ring spinning machine can be modified conveniently and at low cost, and the yarn produced is of good quality. It can be applied to Solo spinning, Siro spinning, Sirofi, compact spinning devices of ring spinning or a combination of these devices.

The invention relates to textile machinery components, particularly to a yarn guiding device, which comprises an upper fixed plate and a lower fixed plate arranged in parallel, wherein center holes are both formed in the centers of the upper fixed plate and the lower fixed plate; more than three upper edge holes and lower edge holes are formed on the upper fixed plate and the lower fixed plate; a distance from the upper center hole to the upper edge holes on the upper fixed plate is larger than that from the lower center hole to the lower edge holes on the lower fixed plate; and yarn guides are arranged in the upper and lower center holes and the upper and lower edge holes. The yarn guiding device has the advantages that the structure is simple, silk yarns can be threaded conveniently, and compound yarn ballooning check twisting points can be directly formed on silk outlets of thermotropic silk and multistrand sewing threads. The yarn guiding device can precisely cover thermotropic silk quilt covers among the multistrand sewing threads, and therefore, the yarn guiding device solves the technical problems that in the prior art, the thermotropic silk quilt covers can not be covered among the ultistrand sewing threads precisely, the silk outlets can not directly form the compound yarn ballooning check twisting points, assembled structures are complex, the operation is difficult, and raw material and labor force are wasted, so that finished products of the yarns have poor quality.

The invention discloses a grooved drum winder which comprises a workbench and the like. A supporting table is connected with a plurality of supporting legs and located between the workbench and a cross beam. A plurality of yarn cleaners are fixed to the supporting table, and a plurality of supporting columns are all arranged on the workbench. A plurality of fixed plates are all fixed to the multiple supporting columns, and a plurality of driving rockers are connected with the multiple fixed plates. A plurality of drums are all arranged on the multiple driving rockers, and a plurality of groovedrums are all arranged on the workbench and located between the multiple supporting columns. According to the grooved drum winder, a plurality of cops carry out spooling at the same time, work efficiency is improved, and the grooved drum winder is easier to maintain and mount due to a one-to-one correspondence independent manner; and yarn passing through the yarn clears is higher in quality and cleaner.

The invention discloses a drafting transmission device for a roving frame. Four shaft seats are arranged on a rack and are used for respectively supporting a first roller head section shaft, a secondroller head section shaft, a third roller head section shaft and a fourth roller head section shaft side by side; the positions of the shaft seats relative to the rack are adjustable, the first rollerhead section shaft, the third roller head section shaft and the fourth roller head section shaft are driven by independent power sources through universal couplings respectively, and the second roller head section shaft is in linkage with the first roller head section shaft through a transmission mechanism and universal couplings. Independent power sources are adopted for transmission of all thedrafting areas; the draft multiple set for spinning is more accurate, and the quality of yarns is better; meanwhile, the roller head sections are connected with the upstream transmission mechanism through universal couplings, so that when the center distance of the rollers needs to be adjusted in the spinning process, only the center distance of the rollers of the drafting part needs to be adjusted, and the drafting transmission device is simple in structure, convenient to adjust and stable and reliable to operate; the draft multiple is more accurate, and yarns with better quality can be obtained.

The invention discloses a high-strength flame-retardant anti-dripping wear-resistant antistatic blending wrapping core-spun yarn and a preparation method thereof. The preparation method comprises thesteps of mixing an aramid fiber, a flame-retardant viscose fiber and an antistatic fiber, and conducting combing, drawing and roving to obtain rove; for the rove, using a non-flame-resistant nylon filament as a core, controlling a flame-retardant nylon filament to be wound on an outer layer, spinning a spun yarn, and spooling to obtain the blending wrapping core-spun yarn. The yarn adopts the aramid fiber, the flame-retardant viscose fiber, the flame-retardant nylon filament, the high-strength non-flame-resistant nylon filament and a conductive fiber as main components, a flame-retardant anti-dripping fabric is prepared by blending spinning and weaving process, the fabric has the advantages of flame retardant, anti-dripping performance, high strength, easy dyeing, antistatic performance, abrasion resistance, low cost, simple process, excellent yarn quality and the like, and the yarn can be used not only for requirements of special operations but also for requirements of other aspects such as work clothes and the like.

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 an anti-droplet, wear-resistant, anti-static and flame-resistant nylon blended camouflage cloth and a preparation method thereof. The preparation method comprises the following steps: (1) After mixing aramid fiber, flame-retardant viscose fiber and antistatic fiber, sequentially combing, drawing and roving to obtain a roving; As the core, flame-retardant nylon filaments are wound on the outer layer, spun yarns are spun, and then winded to obtain blended wrapping core-spun yarns; (2) the blended wrapping core-spun yarns are woven to obtain gray cloth, and the The gray cloth is sequentially subjected to scouring, oxygen bleaching, mercerizing and camouflage printing to obtain printed cloth; the printed cloth is steamed to obtain the camouflage cloth. The fabric prepared by the invention has the advantages of flame retardancy, droplet resistance, high strength, easy dyeing, easy camouflage printing, antistatic, low cost, simple process, excellent yarn quality, etc., and is especially suitable for the needs of special operations. To meet the needs of other work clothes and other aspects.

The invention relates to a process for spinning three-in-one stretch yarn of wool, filament and urethane elastic fiber, is characterised in that: at first, a continuous yarn feed device and a spandex feed device is mounted on a spinning machine, spandex is applied with a certain pre-tension, then the spandex is positioned by a guide yarn, and fed in a roving strand which is performed with normal drafting at a front roller tongs mouth, the continuous yarn is also directly fed to the front roller tongs mouth via a yarn guide hole and is held with a certain distance from the strand, the continuous yarn and the strand in which spandex is envelopped are twisted together under the tongs mouth to form a twisting trigonum, and the twisted yarn is winded on a yarn tube to form a three-in-one stretch yarn of wool, continuous yarn and spandex. The invention has a low spinning cost, good quality yarns, simple production and less difficulty.

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, aliquor 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 fromthe 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 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.