49results about How to "Improve loom efficiency" patented technology

The invention provides a device for compensating a warp tension based on stereo loom fabric weave. A stereo loom comprises warp beams, warp yarns from the warp beams penetrate through a heald frame to be interwoven with weft yarns through a layering frame so as to form a fabric. The device for compensating the warp tension comprises tension rollers for vertically moving to perform synchronous compensation on warp extension or shrinkage caused by vertical movement of the heald frame and driving devices of the tension rollers. Each warp beam is correspondingly provided with one tension roller, the warp yarns from the warp beams bypass the tension rollers in a U-shaped mode and then penetrate through the heald frame to be interwoven with weft yarns through the layering frame. The invention further provides a method for compensating the warp tension based on the stereo loom fabric weave. The active compensating method is simple in structure and reliable in performance, can very well adapt to weaving of high performance fiber such as poor-elasticity carbon fiber and can meet the compensating requirement that the stereo loom provided with multiple opening and one heald frame needs frequent stroke change, the loom efficiency and fabric quality are improved.

The invention relates to a pattern velvet fabric and a manufacturing method. A polyester-cotton blended snowflake yarn is used as a raw material, weaving is conducted by a double rapier loom, the fabric is obtained by dyeing and finishing, drawing is conducted on a polyester fiber strip and a cotton fabric strip, and a 32S/2 polyester-cotton snowflake yarn is spun by three-way drawing; a ground warp and velvet warp weaving method is adopted; dyeing adopts high temperature overflow cylinder dyeing, a disperse dye is adopted to dye a polyester fiber and an active dye is adopted to dye a cotton fiber respectively, polyester and cotton are dyed with different colors, and natural patterns are formed on the surface of velvet cloth. The method chooses the three-way drawing to make the two fibersmix unevenly to form a texture effect, after dyeing, the natural patterns are formed on the surface of the velvet fabric, and the colors of a velvet fabric product are increased.

The invention discloses a constant-dance crisped crepe fabric which comprises warp yarns and weft yarns. The reed width is 217.4 cm, the reed count is 21, the penetration method is 6/1/0 pieces per reed, the total number of the warp yarns is 9288 pieces, the warp yarns are 30D/24 bright profiled polyester fully drawn yarns (FDY) with the twist degree of 2100 T/M, the weft yarns are 30D/24F brightprofiled polyester fully drawn yarns (FDY) with the twist degree of 3600 T/M, and the fabric is a plain weave. According to the fabric, the intermediate twisting design is adopted in the warp direction, the high twisting design is adopted in the weft direction, the proper sizing effect is achieved, the balance of structural force configuration of the fabric is kept, excellent creases are formed, the plain weave is selected, the hollow reed process is adopted on the reed penetrating process, and the fabric presents regular crease effect; ultrahigh width is woven so that the crease effect can beimproved. The problems that filaments are extremely prone to being produced in the twisting process, the weft insertion is prone to being not smooth in the weaving process and weft yarns are prone tostopping and turning back on a weaving machine are solved, the efficiency of the weaving machine is improved through the optimization of the weaving process, and the novel fabric which is light, thin, transparent and similar to real silk is successfully developed.

An energy-saving environment-friendly modified starch size is made from, by weight, 8 to 14 parts of butyl methacrylate, 6 to 10 parts of sodium pentachlorophenol, 3 to 5 parts of formaldehyde ethyl phenol, 10 to 16 parts of polyvinyl alcohol, 0.5 to 0.7 part of 2-naphthol, 6 to 12 parts of phosphate starch, 2 to 5 parts of nano-silicon nitride, 4 to 7 parts of polyoxyethylene lauryl ether, 20 to 32 parts of native starch, 5 to 8 parts of cerium ammonium nitrate, 2 to 4 parts of potassium persulfate, 2 to 3.2 parts of acrylic acid, 3 to 7 parts of guar gum modified hydroxymethyl, 3 to 7 parts of guar endosperm, 6 to 9 parts of modified starch, and 4 to 6 parts of corn starch. The energy-saving environment-friendly modified starch size is higher in permeability and wear resistance and helps improve loom efficiency, reduce pollution and energy consumption and save energy.

The invention discloses a composite false-twisting satin fabric which comprises warp yarns and weft yarns. The total number of the warp yarns is 18727, the reed width is 227 cm, the reed count is 16.5, the penetration number is 5 pieces per reed; the warp yarns are 30D/18F bright profiled polyester fully drawn yarns (FDY) with the twist degree of 1200 T/M, and the weft yarns are 30D polyester false-twisting yarns with the twist degree of 1600 T/M and 42D/32F half bright profiled polyester fully drawn yarns (HFY) with the twist degree of 1700 T/M; the fabric is five-weave satin. The false-twisting and composite yarn twisting process is selected for the fabric, the fabric has excellent elegant feeling, the problems that broken filaments are extremely easily produced by warp yarns and weft yarns in the twisting process, wefting is prone to being not smooth in the weaving process, and weft yarns are prone to stopping and turning back on a weaving machine are emphatically solved on the basis of the digestion, absorption and improvement of the device, the efficiency of the weaving machine is improved through the optimization of the weaving process, and the developed product is the novelcomposite false-twisting fabric which is comfortable in hand feel and smooth, soft and elegant in texture.

The invention discloses an auxiliary bonding device of a winder yarn connector and an application method for the auxiliary bonding device. The auxiliary bonding device of the winder yarn connector comprises a storage part, a signal receiving component, a material channel, printing plates, thermal processing components, a drive component and a conveying component. The signal receiving component is installed on the storage part. The conveying component is connected to the storage part and used for moving the storage part. The printing plates are provided with discharging ports. At least two printing plates are arranged. An interval is reserved between the two printing plates, and the discharging ports of the printing plates are opposite. One end of the material channel is communicated with the storage part, and the other end of the material channel is communicated with the discharging ports of the printing plates. The drive component is connected to the printing plates and drives the printing plates to move. The thermal processing components are installed on the storage part, and the drive component is connected to the thermal processing components and drives the thermal processing components to move. According to the auxiliary bonding device of the winder yarn connector, woven broken heads are reduced, the efficiency of a weaving machine is improved, and warp stopping or weft stopping caused by poor abrasion resistance of the yarn connector is avoided.

The invention discloses a crepe-chiffon fabric. The crepe-chiffon fabric comprises warp yarns and weft yarns, wherein the total warp number is 7,296, the reed space is 228 cm, the reed number is 32, and the threading number is 1 every reed; the warp yarns adopt 20 D semi-gloss dacron FDY, and the twist is 1,400 T/M; the weft yarns adopt 20D/12F semi-gloss dacron FDY, the twist is 2,500 T/M, and the fabric adopts tabbies. According to the crepe-chiffon fabric, on the basis of digestion, absorption and improvement, the problems that the warp yarns are superfine denier, broken filaments are extremely and easily generated in the twisting process, unsmooth wefting insertion is easily caused in the weaving process, a weaving machine easily generates weft stoppage folding back, and due to devicelimiting, slight hidden stopping of the fabric surface appears are mainly solved; through optimization of the weaving technology, the efficiency of the weaving machine is improved, and the novel fabric which is light, thin, transparent and similar to real silk is successfully developed.

The invention relates to a super high-count-water soluble fiber PVA compact fabric and a production method thereof. The fabric is a satin and sateen fabric formed by warp yarns and weft yarns, the blending ratio of cotton fiber to water-soluble PVA fiber in the warp is (85-95):(5-15), and the weft yarns have the same composition as the warp yarns. According to the method, the spinnability of cotton fiber products can be improved by adding the water-soluble PVA fiber in the cotton fiber products; in addition, the water-soluble PVA fiber serves as reinforcing fiber, after the yarns are made intothe fabric, the PVA fiber is dissolved out after washing, and high-count light pure cotton products are obtained.

The invention discloses a unit for defining the broken warp location. The unit comprises micro-machine, synchronization teeth type belt A, synchronization teeth type belt B, contact pick up A, contact pick up B, guiding light, switching push-button, photoelectric sensing device, teeth type belt guide rail and teeth type belt guide roller. The teeth type belt A and teeth type belt B are enclosed type belt. The teeth type belt A and teeth type belt B depends on generator to move. The guiding light, switching push-button and contact pick up A are settled on teeth type belt A and contact pick up B is settled on teeth type belt B. The contact pick up A, contact pick up B, guiding light, switching push-button, photoelectric sensing device and micro-machine are connected with electric switch box by wire. The teeth type belt A and teeth type belt B operate on the guide rail beyond the guide roller. The device can be exchanged on the loom, and the width is according to the width of loom. The teeth type belt A and teeth type belt B are no extension plastics belt.

The invention discloses a weft drawing device of an air jet loom. The weft drawing device comprises a controller, a shears mechanism, an air flow guiding tube, a driven pressing wheel mechanism, a driving rotating wheel mechanism, a yarn detecting sensor, a waste yarn suction port, an air source and a guiding nozzle. The shears mechanism comprises a shears air cylinder, shears and a guiding frame, wherein the shears air cylinder is connected with the guiding frame, and the guiding frame is provided with a shears sliding groove. The driven pressing wheel mechanism comprises a driven pressing wheel air cylinder and a driven pressing wheel. The driving rotating wheel mechanism comprises a driving rotating wheel motor and a driving rotating wheel. A waste yarn gap is formed between the driving rotating wheel and the driven pressing wheel. The position of an outlet of the guiding nozzle is matched with the position of an inlet of the air flow guiding tube, a main nozzle is arranged between the guiding nozzle and the air flow guiding tube, waste yarn penetrates through out of a spout of the main nozzle, and the yarn detection sensor is arranged at an outlet of the air flow guiding tube. The guiding nozzle, the driven pressing wheel air cylinder, the waste yarn suction port and the shears air cylinder are connected with the air source respectively. The weft drawing device is capable of automatically drawing the waste yarn out and high in reliability, saves time and labor and improves efficiency of the loom.

The invention relates to an efficient cold sizing agent containing polysiloxane acrylate and a preparation method of the efficient cold sizing agent. The efficient cold sizing agent containing the polysiloxane acrylate comprises the following components in parts by mass: 52 to 69 parts of water, 2 to 4 parts of the polysiloxane acrylate, 7 to 10 parts of an emulsifier EL-40, 10 to 13 parts of an emulsifier TX-12, 3 to 6 parts of fatty alcohol-polyoxyethylene ether, 4 to 7 parts of a plasticizer and 5 to 8 parts of coconut oil fatty acid diethanolamide. The efficient cold sizing agent is colorless transparent viscous liquid and is in a nonionic state, the pH value is 6-8, the viscosity is 130-200 mps.s under the condition of 25 DEG C, the excellent permeability and antistatic property are achieved, the efficient cold sizing agent is suitable for cotton spinning and chemical fibers and is also suitable for pure cotton and wool blended yarns, the weaving function of spun yarns can be transformed, the cost is low, the efficient cold sizing agent is green, environment-friendly and degradable, and the efficient cold sizing agent can be widely applied to the technical field of sizing agents for textile warp sizing.

The invention relates to the technical field of hemp spinning, in particular to a novel hemp textile fabric and a spinning process thereof. At least one of the warp yarn and weft yarn used in the fabric consists of yarn of two or more than two systems, hemp yarn with a linear density of 9.7 tex to 27.8 tex and synthetic filament with a linear density of 5 .6 tex to 16.7 tex are taken as raw materials and woven into the novel hemp textile fabric with total tightness of 70% to 120% and a hemp content of 45% or more, and fabric weaves are backed weaves, double-layer weaves, and fluff and towel weaves. The manufacturing method comprises the following steps: spooling, warping, sizing and weaving. The fabric not only has good performance such as ventilation and cooling, fast moisture absorptionand moisture release, soft and elegant hand feeling and excellent cloth surface drapability, but also has health care functions such as corrosion prevention, anti-bacterium, static electricity prevention, radiation resistance and ultraviolet prevention, has extremely good fabric shape retaining performance and wrinkle resistance simultaneously, and thus can be widely applied to high-end apparel fabrics and home textiles.

The invention discloses an eccentric type solid beating-up shaft device which comprises a solid beating-up shaft, a reed, a plurality of sley swords, two shaft head bases placed at the end of the beating-up shaft and two connecting bases placed in the middle of the beating-up shaft. The beating-up shaft comprises two main shafts and an eccentric shaft. One ends of the main shafts are connected with the shaft head bases. The other ends of the main shafts are connected with the connecting bases. The eccentric shaft is arranged between the two connecting bases, and the end of the eccentric shaft is eccentrically connected with the connecting bases. The two main shafts are arranged coaxially. The eccentric shaft and the axes of the two main shafts are arranged in a staggering mode. The gravity center of the eccentric type solid beating-up shaft device is placed in the axes of the main shafts. The beating-up shaft is divided into three sections, the eccentric shaft and the main shafts are arranged eccentrically, the problem that an existing solid beating-up device is severe in eccentricity and high in vibration can be avoided, loom efficiency can be well improved, and the whole device is good in structure rigidity, stable in operation and suitable for weaving high-weft-density quality fabric.

The invention discloses a method for improving abrasion resistance of a wet type joint of yarn and a device thereof. The method for improving the abrasion resistance of the wet type joint of the yarn comprises the following steps that a spray liquid storing device sprays spray liquid on the joint of the yarn, and the spray liquid contains colloidal particles, powder particles and emulsifying agents; two heat treatment clamping plates of a heat treatment part are moved to the joint of the yarn, the joint of the yarn are clamped between the two heat treatment clamping plates, and the two heat treatment clamping plates are reset after being heated to the set temperature for set time. The related device for improving the abrasion resistance of the wet type joint of the yarn enables the abrasion resistance of the joint of the yarn to be enhanced, and the joint of the yarn is not prone to being broken.

The invention relates to a yarn feeder, in particular to a storage type yarn feeder, the front support cover plate of the motor is fastened to the front end of the motor housing of the machine base through motor fastening screws; yarn is inserted into the front end of the front support cover plate of the motor Winding conveying tray; the front end of the yarn winding conveying tray is inserted with a magnetic positioning support frame, and the rear end of the magnetic positioning support frame is embedded with a magnetic positioning frame bearing; the yarn shaking device is installed in the yarn storage drum; the yarn storage drum is fastened with screws through the bracket Fixedly installed with a moving position magnetic bracket; the rear end of the magnetic moving device support frame is installed with a sliding connection with a magnetic moving device; the front fixing frame of the tension cover film, the tension cover film and the rear fixing frame of the tension cover film form a fast connection; the device bracket shell The interior under the body is fixedly connected to the main circuit board of the device through the fastening screws of the main circuit board; in the technical solution of the present invention, the storage type yarn feeder provided has the advantages of high detection accuracy, reasonable structural design, convenient use, and improved weaving. Machine efficiency and reduce fabric defects.

The invention discloses a novel cloth guide roller, which comprises a bracket, a pressure spring, a swinging bracket and a cloth guide roller, wherein the swinging bracket is connected on the bracket through a pin shaft; the pressure spring is fixed on the bracket opposite to the pin shaft; an adjusting screw is arranged on the circumference surface of the pressure spring; and the cloth guide roller is fixed on the bracket by a bearing. According to the novel cloth guide roller disclosed by the invention, the spring is arranged to pressurize the cloth guide roller, so that the cloth guide roller is tightly close to the surface of a licker-in roller, cloth cannot be eased away, and the shutdown operation during doffing can be omitted, and thus the loom efficiency is increased and the starting marks caused by doffing shutdown are reduced. A rough rubber surface is wrapped outside the cloth guide roller so as to prevent burrs of the licker-in roller from damaging, and the cloth can be seized by the rough rubber surface and the burrs of the licker-in roller so as to avoid the cloth creasing phenomenon.