8results about How to "Reduce yarn breakage" patented technology

The invention provides slurry for electronic-grade glass fiber cloth, the slurry is an aqueous solution and comprises effective components and water, and the effective components are respectively a water-soluble polyester main film-forming agent, a polypropylene glycol auxiliary film-forming agent, a combustion improver, a lubricant, an antistatic agent and a defoaming agent; the mass percentage of each component in the total mass of the slurry is as follows: 2.0 to 35.0 percent of a water-soluble polyester main film-forming agent, 0.5 to 13.0 percent of a polypropylene glycol auxiliary film-forming agent, 0.1 to 3.0 percent of a combustion improver, 0.03 to 1.5 percent of a lubricant, 0.02 to 1.2 percent of an antistatic agent, 0.005 to 1.0 percent of a defoaming agent and 60.0 to 97.0 percent of water. The coating property and bundling property of the sizing agent in the glass fiber can be improved, the interface bonding degree of the sizing agent and the glass fiber is improved, warp-direction weaving defects of a cloth cover are reduced, and the weaving performance of the glass fiber is improved; the sizing agent has good desizing performance and low ash content, and the produced electronic cloth has the advantages of being low in air permeability, good in impregnation performance and the like.

The invention discloses a cam shedding machine, a rapier loom and a shedding control method.The cam shedding machine is used for driving a heald frame to reciprocate in the vertical direction, the heald frame is configured to move between the highest point and the lowest point in the vertical direction, and the heald frame comprises a cam shaft, a first cam piece, a second cam piece and a swing arm; the first cam piece and the second cam piece are both fixed to the cam shaft so as to rotate along with the cam shaft. The first cam pieces and the second cam pieces are matched with the corresponding swing arms to output swing and drive the heald frames to move in the vertical direction, the second cam pieces drive the corresponding swing arms to swing so as to drive the corresponding heald frames to move in the vertical direction, the N first cam pieces drive at least one corresponding heald frame to be located at the highest point, and the N second cam pieces drive at least one corresponding heald frame to be located at the highest point. When at least one heald frame is located at the lowest point, the second cam sheet drives the corresponding heald frame to be located at the lowest point; when the N first cam pieces drive the corresponding heald frames to be located at the heald leveling position, the second cam pieces drive the corresponding heald frames to be located at the highest point, and the weaving efficiency is effectively improved through the structure.

The present invention belongs to the technical field of textile yarn storage, and specifically discloses a yarn storage device for a textile machine for textile use, comprising a bottom plate, two support plates are fixedly connected to the top of the bottom plate, a winding structure is arranged between the two support plates, an auxiliary structure located at the center of the support plates is arranged between the two support plates, a yarn sorting structure is arranged on the surface of the support plates, and a notch is opened on the surface of one of the support plates. By arranging the winding structure, the air flow can flow to the inside of the yarn collecting drum during the rotation of the yarn collecting drum through the mutual cooperation of the fan, the connecting hole and the adsorption hole during the winding process, thereby reducing the uneven distribution of the yarn collected caused by the yarn position deviation caused by the outward flow, and generating an adsorption force at the same time to make the yarn winding more stable, and the setting of the adsorption channel can make the connection more stable through the adsorption block of the adsorption channel, so that the process of winding the yarn is more stable.

This invention belongs to the field of weaving equipment technology and discloses a pretreatment device for a circular loom, including a housing with multiple ferrules installed at the bottom. One end of the housing is fixedly installed with an inlet plate having multiple inlet guide holes. Inside the housing, along the yarn travel direction, are sequentially arranged an infrared heating tube group, an atomizing nozzle group, a parallel electrode plate, a simulated weaving guide roller group, a low-temperature plasma generator, a heated pressure roller group, and a cold air cooling unit. The other end of the housing is fixedly installed with an outlet plate having multiple outlet guide holes. This device integrates multiple pretreatment functions into one housing, realizing integrated continuous operation of yarn pretreatment. It can effectively release internal yarn stress, remove surface fuzz from the yarn, improve yarn flexibility and surface quality, thereby reducing the shrinkage rate of the base fabric, reducing yarn breakage during weaving, improving the production efficiency and product quality of the circular loom, and reducing production costs.

The invention belongs to the technical field of textile yarn storage, and particularly discloses a textile machine yarn storage device for spinning, which comprises a bottom plate, two supporting plates are fixedly connected to the top of the bottom plate, a winding structure is arranged between the two supporting plates, and an auxiliary structure located at the center of the supporting plates is arranged between the two supporting plates. A yarn arranging structure is arranged on the surfaces of the supporting plates, a notch is formed in the surface of one supporting plate, and by arranging the winding structure, air flow can flow into the yarn collecting barrel in the rotating process of the yarn collecting barrel through mutual cooperation of a draught fan, a connecting hole and an adsorption hole in the winding process; the situation that yarn is distributed unevenly due to yarn position deviation caused by outward flowing is reduced, meanwhile, adsorption force is generated so that yarn winding can be more stable, clamping blocks can be adsorbed through the adsorption channels so that connection can be more stable, and the yarn winding process can be more stable.

The utility model discloses a cotton throwing structure with an impurity removal function, and relates to the technical field of ground cotton picking and cleaning. The vehicle comprises a vehicle body, a collecting and picking device is installed at the front end of the vehicle body, a belt type conveying device is arranged at the end, away from the collecting and picking device, of the vehicle body, an impurity removing mechanism is arranged at the end, away from the collecting and picking device, of the belt type conveying device, and a cab is arranged at the end, close to the collecting and picking device, of the top of the vehicle body. A cotton collecting box is arranged at the end, away from the collecting and picking device, of the cockpit, and a cotton stalk returning device is arranged at the bottom of the cotton collecting box. By means of the impurity removing mechanism, the content of impurities in the falling cotton can be reduced, the purity and consistency of the falling cotton can be improved, the loss and downtime of a machine in the spinning and weaving process can be reduced by reducing the impurities, the production efficiency can be improved, and the energy consumption and the maintenance cost can be reduced by reducing the abrasion of the impurities to the spinning machine. Impurities are removed, and broken yarns and inferior products in the spinning process are reduced.

Provided are: a cellulose fiber manufacturing method for suppressing the occurrence of thread breakage in a spinning step and unevenness in the physical properties of obtained fibers, thus enabling stable spinning; and cellulose fibers that are highly strengthened, in which fibrillation is suppressed, and that have a pleasant texture. The present invention provides a cellulose fiber manufacturing method including the following steps: a solution preparation step for dissolving cellulose in a mixed solvent of an aprotic polar solvent and a quaternary onium salt; a discharge step for discharging the obtained solution in a fibrous form through a spinneret, the moisture content of the solution at the time of discharging falling within the range from 0.05 mass% to 8 mass%; and a solidification step for solidifying the discharged fibers in a water-based solidification bath containing water and the mixed solvent.

The utility model discloses melt impregnation equipment for continuous fiber reinforced thermoplastic resin, which comprises a melt impregnation machine head, a pre-dispersion device and a melt impregnation device, and the pre-dispersion device comprises a first vibration piece, a plurality of first dispersion rollers and a plurality of second dispersion rollers, the first dispersing rollers and the second dispersing rollers are distributed in the pre-dispersing area at intervals in the first direction, the second dispersing rollers are located above the first dispersing rollers, the projections of the second dispersing rollers projected to the plane where the first dispersing rollers are located are located between the adjacent first dispersing rollers, and each second dispersing roller is connected with a first vibration piece. The first vibrating part is used for driving the second dispersing roller to generate vertical vibration amplitude; the melt impregnation device is arranged in the melt impregnation area and used for guiding the continuous fibers passing through the pre-dispersion area to penetrate through the melt impregnation area. Based on the structure, the purpose of dispersing the continuous fibers in the preset dispersing area with a small tension value can be achieved, and the problem of yarn breakage caused by too large tension of the continuous fibers can be effectively solved.