46results about How to "Guaranteed yarn quality" patented technology

The invention discloses ultra-high-count pure cotton combing yarn and a spinning technology of the ultra-high-count pure cotton combing yarn. Raw cotton comprises, by weight, 15%-25% of Egypt cotton, 25%-35% of American cotton and 40%-50% of Xinjiang long stapled cotton, wherein the Egypt cotton, the American cotton and the Xinjiang long stapled cotton are blended to spin 200S to 300S pure cotton yarn. The spinning technology includes the following steps that the first procedure of blowing-carding, the second procedure of combing, the third procedure of drawing, the fourth procedure of roving yarn, the fifth procedure of spun yarn and the sixth procedure of spooling. With the blending scheme, the raw cotton can integrate the advantages of high fineness and good maturity of the Egypt cotton, the advantages of high strength and non-existing abnormal fibers of the American cotton, the advantage of large length of the Xinjiang long stapled cotton and the like. The raw cotton reaches the requirements for the fiber length, the length CV value, the Micronaire value, the fineness, the strength and other performance indexes of raw cotton in producing ultra-high-count yarn. According to the spinning technology of the ultra-high-count pure cotton combing yarn, the ultra-high-count yarn can be produced under a large ration of roving yarn, the spinning efficiency is improved and meanwhile, quality of resultant yarn is ensured.

The invention discloses blended yarn containing polytetrafluoroethylene fiber and a preparation method of the blended yarn. The blended yarn is prepared from, by weight, 5-80% of polytetrafluoroethylene fiber, 20-95% of flame-retardant fiber and 0-5% of conductive fiber. The blended yarn containing polytetrafluoroethylene fiber is prepared by adding a certain proportion of conductive fiber, preprocessing the raw material before spinning, adding an antistatic agent for being still standing for at least 8 hours for antistatic processing, strictly controlling the technological conditions of all the procedures in the processing process, and controlling the temperature and relative humidity of the carding, drawing, roving and spinning procedures. The severe static problem during spinning of polytetrafluoroethylene fiber is effectively solved, and yarn quality is ensured.

The invention relates to a yarn spinning technology for multi-fiber semi-worsted melange yarn and the yarn prepared with the technology. The technological steps of the yarn mainly comprise raw material treatment, cotton carding, drawing, roving, spinning, self-spooling, doubling, two-for-one twisting and packaging of a finished product. Raw materials comprise mercerized wool fiber, nylon fiber, viscose fiber and cashmere wool fiber. The problems of high probability of water shrinkage and pilling of wool are solved with a more environment-friendly method, meanwhile, nylon, cashmere wool and viscose ingredients are added, and the heat retention property, the elasticity, the durability and the comfort degree of the product are increased; the production cost is lower, the prepared yarn has the characteristics of shrink resistance, good anti-pilling effect, natural luster, bright color, good elasticity, smooth hand feeling, heat retention and the like.

The invention relates to a three-in-one yarn quick bleaching method, which combines with characteristics of high temperature, high pressure, low water level scouring and bleaching in one bath process and ultra-short flow, wherein in the whole scouring and bleaching process for yarns, the temperature is between 110 and 130 DEG C, the pressure is 1.5 to 3.0bar, the bath ratio is between 1 to 3 and 1 to 7, the rotating speed of a main pump of a dyeing cylinder is 600 to 1,300rpm, the scouring and bleaching time is 10 to 30 minutes and the water adding time is 3 to 4 times, meanwhile, an optimized high-temperature and high-pressure hydrogen peroxide process is used. The yarns processed through the method have remarkable reduction in strength loss and hair feather, the production cost, processing time, sewage discharge and energy consumption of scouring and bleaching white yarns are reduced greatly since the characteristics of high temperature, high pressure, low water level scouring and bleaching in one bath process and ultra-short flow are used.

The invention provides a blended yarn of polyamide fiber and cotton as well as a preparation method and application of the blended yarn. The blended yarn comprises, by weight, 10-90 parts of polyamide56 fibers and 10-90 parts of cotton fibers, preferably, 20 to 50 parts by weight of polyamide 56 fiber and 50 to 80 parts by weight of cotton fiber, wherein the total weight of the polyamide 56 fibers and the cotton fibers accounts for 10-100 wt% of the total weight of the blended yarn, and/or the breaking strength of the polyamide 56 fiber is greater than 5.5 cN/dtex. Fabric prepared from the blended yarn can greatly improve the wear resistance and durability of the fabric while maintaining good moisture absorption, softness and comfort, and is suitable for the application field with high requirements for the wear resistance and comfort of the fabric.

The invention relates to the technical field of spinning frame equipment, in particular to a special drafting spinning mechanism for a spinning frame. The technical scheme includes that a rear roller,a middle roller and a front roller can be controlled and driven by individual motors, a cradle is arranged on upper sides of the rear roller, the middle roller and the front roller, at least one endof each roller body is provided with a large-diameter section and a small-diameter section, the widths of the large-diameter sections correspond to the widths of the small-diameter sections, the large-diameter sections and the small-diameter sections on a first upper leather roller and a second upper leather roller are correspondingly arranged in a staggered manner, the second upper leather rolleris mounted on an upper pin of the cradle in a fixedly connected manner, a first leather collar is wound on a leather roller wheel of the second upper leather roller and the upper pin, a tension frameis mounted on the cradle, at least two tensioning rods at different heights are mounted on the tension frame, one end of a second leather collar is wound on a leather roller wheel of the first upperleather roller, the other end of the second leather collar is wound on the small-diameter sections of the second upper leather roller, the middle of the second leather collar is tensioned on the two corresponding tensioning rods, and the first upper leather roller is supported by the second leather collar in a suspended manner. The special drafting spinning mechanism has the advantages that the leather collars and yarns can be conveniently accurately controlled, drafting can be effectively guaranteed, the leather collars can be prevented from slipping or dropping, and the quality of the yarnsand the spinning efficiency can be improved.

The invention discloses a fly frame drafting device adapting to large draft ratios. The device is of a four-roller four-short-apron drafting mode and is provided with a vice drafting area, a main drafting area and a distribution area, wherein the main drafting area and the vice drafting area are respectively provided with a double-short-apron drafting device formed by an upper apron, a lower apron, an upper pin and a lower pin. According to the fly frame drafting device, due to the fact that the vice drafting area is provided with double short aprons, two apron drafting areas exist in common, a mode that a traditional drafting device is provided with two rollers simple drafting areas and a double-short-apron drafting area is broken through, large draft ratio production of a fly frame is achieved, and a roving procedure can be smoothly achieved when spinning of cotton yarns with the density equal to or over 150 s is carried out. The fly frame drafting device can adapt to the large draft ratios ranging from 12 to 20 on the premise that spinning quality is guaranteed.

The invention relates to a yarn spinning technology for semi-worsted and blended colored yarn and the yarn prepared with the technology. The technological steps mainly comprise raw material treatment, cotton carding, drawing, roving, spinning, self-spooling, doubling, two-for-one twisting and packaging of a finished product. Raw materials comprise cotton fiber, nylon fiber and viscose fiber. The cotton fiber is treated with a more efficient bleaching method, meanwhile, nylon and viscose ingredients are added, and the heat retention property, the elasticity, the durability and the comfort degree of the product are improved; the production cost is lower, the prepared yarn has the characteristics of shrink resistance, good anti-pilling effect, natural luster, bright color, good elasticity, smooth hand feeling, heat retention and the like.

The invention relates to a compact-spinning cradle pressurizing device comprising a cradle (1) and a pressurizing device connected with the cradle. The compact-spinning cradle pressurizing device is characterized by comprising a connector (2) and a roller clamping jaw fixing base (3); wherein one end of the connector is connected with the cradle in a blocking manner; the roller clamping jaw fixing base is vertically fixed on the other end of the connector; a roller clamping jaw (4) is fixed in the roller clamping jaw fixing base; a spring (5) is inserted in a circular hole in the upper part of the roller clamping jaw; a locating pin shaft (6) is inserted on the upper part of the spring; and the upper part of the locating pin shaft is fixed on the connector by an adjusting nut (7). The compact-spinning cradle pressurizing device provided by the invention is simple in structure and convenient to assemble and disassemble, and is capable of independently pressurizing by using the spring, so that the yarn quality is ensured.

The invention relates to a super-high-draft device which comprises a front roller, a middle roller, a rear roller, a pressure bar, a bell mouth and leather collars, and is characterized in that a pressure bar is additionally mounted in a rear zone of the conventional draft device and the leather collar is additionally mounted on the rear roller, so that the friction field of the rear zone is increased, and control of floating fibers in the rear draft zone is strengthened. Harmful feathers are reduced, and the draft multiple is improved.

The invention relates to a compact spinning pressurizing device which belongs to the technical field of parts of textile machinery and comprises a cradle (1) and a velvet roll spring (4) arranged on the cradle (1), wherein a hole is arranged on the cradle (1). The compact spinning pressurizing device is characterized in that a pressurizing regulating device is additionally arranged on the hole of the cradle (1) and comprises a positioning sheet combining member (3), a spring piece (5), a positioner (2) and a pressurizing sheet (6), wherein the positioning sheet combining member (3) is connected with the hole on the cradle (1) and positioned at the inner side of the positioner (2) as well as connected with the positioner (2), one end of the spring piece (5) is connected with the positioner (2) and the other end is connected with the pressurizing sheet (6). The pressurizing device can ensure that the pressure of the pressurizing sheet to a small roll is not influenced by outside and is basically kept unchangeable.

The invention discloses a control system for a spinning machine. The control system comprises a touch screen, a frequency converter, a PLC (Programmable Logic Controller), a contactor coil, a field button switch and a sensor, wherein the touch screen and the frequency converter are respectively connected with the PLC; and the contactor coil, the field button switch and the sensor are respectively connected with the PLC. The PLC, the touch screen and the frequency converter form a frequency conversion and speed regulation system, so the control system provided by the invention has the advantages of intelligence, multiple functions, safety, reliability, guaranteed quality of finished yarns and reduced production cost.

The invention discloses a temperature and humidity precise control system for a textile workshop. The temperature and humidity precise control system comprises an inspection robot, a temperature and humidity control part and a temperature and humidity centralized electric control part; the inspection robot can slowly move in the moving direction of a production line, the temperature and humidity control part comprises an air inlet pipeline, an air outlet pipeline, a temperature rising control device, a humidity rising control device and a mixing device which are installed on the vehicle body of the inspection robot, and an air pump is arranged at the input end of the air inlet pipeline; and a plurality of air blowing pipe ends communicated and connected with the air outlet pipeline are arranged on the air outlet pipeline corresponding to the product processing position of a production line production unit. According to the temperature and humidity precise control system for the textile workshop, the circulation direction of low-flow-speed air sucked into the air inlet pipeline can be controlled through real-time feedback of the temperature sensor II and the humidity sensor II, and precise and automatic control over the temperature and humidity of air within the local range around a production line is achieved, so the yarn forming quality is further guaranteed; and the system is particularly suitable for textile workshops with strict requirements on temperature and humidity.

The invention discloses a wool fabric roving machine, which is characterized by comprising a touch screen, a coil, a tension sensor, a rotary encoder, a frequency converter and a PLC (Programmable Logic Controller), wherein the touch screen, the coil, the tension sensor, the rotary encoder and the frequency converter are connected with the PLC; and the frequency converter comprises a drafting frequency converter, a frequency converter of a coiling unit and a twisting frequency converter. With the adoption of the wool fabric roving machine disclosed by the invention, rough yarns are synchronously coiled, drafted and twisted by using a multi-click variable-frequency type frequency speed adjusting system controlled by the PLC; a high-precision tension sensor is selected for detecting tension of the rough yarns online; the output frequency of the coiling frequency converter is controlled; the rotation speed of a coiling motor is adjusted; the tension of the rough yarns keeps stable; parameters of a twist gear and lift stroke variation of a keel can be detected through the rotary encoder; the lifting of the keel is controlled; the requirements of setting and displaying parameters and monitoring a production process of the wool fabric roving machine can be met; and the wool fabric roving machine is multifunctional, safe, reliable, and convenient to operate and display.

The invention relates to an air pressure dustless godet roller device. The air pressure dustless godet roller device comprises a fixed bracket (1) and godet roller parts (2) arranged at both sides ofthe fixed bracket (1); godet rollers (2.2) are arranged at the outer ends of regulation shafts (2.1); blind holes (2.3) are formed inside the godet rollers (2.2); bearings (4) are arranged in the blind holes (3); check rings (5) are arranged inside the bearings (4); the check rings (5) are fixedly connected with the regulation shafts (2.1); a compressed air inlet (6) is formed at the middle part of a long nut (1.2); the compressed air inlet (6) communicates with the inside of the long nut (1.2); and air inlet passages (7) penetrating the entire regulation shafts (2.1) are formed at the centersof the regulation shafts (2.1). The air pressure dustless godet roller device disclosed by the invention can effectively prevent short threads flying battings and floating dust in the air from entering the insides of the bearings so as to greatly prolong the service lives of the godet roller parts and effectively ensure final yarn forming quality.

The invention discloses a temperature and humidity precise control method for a textile workshop. A temperature and humidity precise control system comprises an inspection robot, a temperature and humidity control part and a temperature and humidity centralized electric control part. The inspection robot can slowly move in the moving direction of the production line, the temperature and humidity control part comprises an air inlet pipeline, an air outlet pipeline, a temperature rising control device, a humidity rising control device and a mixing device which are installed on a vehicle body of the inspection robot, and an air pump is arranged at the input end of the air inlet pipeline; and a plurality of air blowing pipe ends communicated and connected with the air outlet pipeline are arranged on the air outlet pipeline corresponding to the product processing position of the production line production unit. The circulating direction of low-flow-speed air sucked into the air inlet pipeline is controlled through real-time feedback of a temperature sensor II and a humidity sensor II, accurate and automatic control over the air temperature and humidity within the local range around the production line is achieved, so the yarn forming quality is further guaranteed, and the method is particularly suitable for textile workshops with strict requirements on temperature and humidity.

The invention discloses a tool for positioning pressure bars at the back zone of a V-shaped drafting machine of an F1508 spinning frame. As for the tool, four baffle plates are fixedly connected into a rectangular frame, a rear baffle plate is higher than a front baffle, the inner sides of the first half parts of a left baffle plate and a right baffle plate are fixedly connected with an inner baffle plate, and the inner baffle plate has the same height as the rear baffle plate. A fixed component (three-shift tiger claw) is arranged in the middle of the positioning tool in the invention, and the screws on the fixed component are tightly screwed by a wrench, thereby ensuring the consistency and straightness of the positions of pressure bars at the back zone without deflection, thus the stability of spinning quality is greatly improved, the operation is convenient, the working efficiency is high and the effect is obvious.

The invention relates to a cotton condensing device for a drafting device of a spinning machine and a drafting device of the cotton condensing device, the cotton condensing device for the drafting device of the spinning machine, especially a ring spinning machine, is used for condensing drafted fiber slivers, and the drafting device is provided with a cotton condensing zone. A suction flow perpendicular to the fiber conveying direction is generated in the cotton condensing area by means of a suction hole (4). In order to provide a cotton condensing device which allows the production of the same yarn and a drafting device for the cotton condensing device, a cotton condensing part is provided in the cotton condensing device, the cotton condensing part is provided with a guide roller, and the guide roller is rotatably arranged in a region opposite to the suction hole (4) of the cotton condensing area in the fiber conveying direction, so that the fiber slivers are in contact with the guide roller.