11results about How to "Easy to weave" patented technology

The present application discloses a high-temperature starch-type sizing agent for electronic-grade glass fiber yarn, which is an aqueous solution of effective ingredients, the solid content of the sizing agent is 5.19-10.76%, and the solid mass of each effective ingredient accounts for the percentage of the total solid mass of the sizing agent: starch 3.40-7.00%; oil 1.10-2.30%; emulsifier 0.05-0.10%; pretreatment agent A 0.15-0.40%, pretreatment agent B 0.30-0.50%; antistatic agent 0.17-0.40%; ammonia water 0.02-0.06%. The starch is a mixture of high-amylose corn starch, acrylamide grafted modified starch and acetyl modified starch, and the mass ratio of the three is 1:1:1-5:2:1. This wetting agent can maintain the advantages of high-temperature system wetting agents in terms of high yarn bundling and good covering properties, while reducing yarn stiffness and improving yarn lubricity, making it less likely for D450 and D900 yarns to produce loose fibers during the production process, reducing the impact of production process fluctuations on yarn quality, significantly improving yarn weaving performance, and significantly reducing fabric defects.

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 provides a preparation method of far-infrared heating thermal-insulation comfortable fibers, which comprises the following steps: aminating carbon nanotubes, dispersing the aminated carbon nanotubes in an aqueous solution, and then adding a copper source and a sulfur source to prepare a Cu2S-CNTs nano composite material; the octagonal hollow fiber is prepared by blending the octagonal hollow fiber with polyethylene glycol terephthalate to prepare a far infrared heating master batch, and blending the master batch with polyethylene glycol terephthalate for spinning. The fiber prepared by the invention has good far infrared heating capability, light absorption heating capability and excellent heat retaining property and comfort, and the prepared fabric has good breaking strength, weaving characteristic and excellent washability.

The utility model relates to the technical field of carton handle belts, and provides a woven handle belt which comprises a plurality of transverse core strips and a longitudinal core strip, the longitudinal core strip is distributed in a wave shape, the transverse core strips sequentially penetrate through the longitudinal core strip in a crossed mode in the distribution direction of the longitudinal core strip, and the adjacent transverse core strips are distributed in a staggered mode in the wave height direction of the longitudinal core strip. By means of the technical scheme, the problem that in the prior art, a handle belt cannot be recycled conveniently and has high strength is solved.

The utility model discloses a cut-figured cloth, which comprises an upper base cloth layer, a lower base cloth layer and floating warps, wherein the upper base cloth layer is formed by interweaving warps and wefts; the lower base cloth layer is formed by interweaving warps and wefts; the upper-layer base cloth layer and the lower-layer base cloth layer are respectively formed by interweaving warp and weft yarns, the upper-layer base cloth layer can adopt a warp and weft one-up and one-down interweaving mode, and the lower-layer base cloth layer can adopt a warp and weft one-down and one-up interweaving mode; floating warp yarns can be woven from the upper-layer base cloth layer and the lower-layer base cloth layer at the same time; the utility model has the beneficial effects that the bottleneck that the size of the pattern is limited due to the size of the pattern cutting roller in the prior art is broken through, and the target of larger pattern is realized; the problem that floating beards are too short due to the fact that the patterns are close to one another in the patterns is solved, and the length of the floating beards can be flexibly adjusted according to the interval of the base cloth; the weaving efficiency is improved, the product is more stereoscopic and layered, the color is richer, the weaving is more convenient, the market competitiveness and the additional value of the product are improved, and the fabric has a wide market application prospect.

The utility model discloses a carbon fiber fabric warp and weft zero-twist weaving device, which belongs to the technical field of weaving devices and comprises two side baffles, a workbench fixedly mounted between the two side baffles, a yarn spreading device fixedly mounted at the top end of the workbench, and a top shell baffle fixedly mounted at the top end of the yarn spreading device. Two rotating rods are rotatably mounted between the two side baffles, a rotating long rod is rotatably mounted in one side of one side baffle, two bevel pinions are fixedly mounted on the rotating long rod, bevel gears are meshed with one sides of the two bevel pinions, a fixed circular plate is fixedly mounted on one sides of the bevel gears, and a rotating rod is fixedly mounted on one side of the fixed circular plate; a large motor is fixedly installed on one side of one side baffle, and the output end of the large motor is fixedly connected with one large bevel gear. Through the cooperation of the static electricity removing assembly and the heat removing assembly, the problems of yarn overheating and static electricity are effectively solved, and the weaving efficiency and the overall quality of fabric are greatly improved.

The present invention discloses a rear beam support system for supporting the rear beam, comprising a support assembly and a ground support device, wherein the support assembly is fixedly connected to the rear beam, the ground support device is placed on the ground, and the support assembly is connected to the ground support device. The ground support device fixes the support assembly, and then stabilizes the rear beam through the connection between the support assembly and the rear beam. The ground support device is fixed to the ground, and the support assembly supports the entire rear beam, and the stability of the rear beam can be improved by enhancing the stability of the support assembly and the ground support device, thereby improving the firmness of the rear beam fixation and increasing the support strength of the rear beam support system, so as to effectively weave heavy fabrics.

The invention provides a plastic honeycomb core high-frequency braiding machine, belonging to the technical field of plastic honeycomb core processing equipment; the machine comprises a machine base, a control box, a high-frequency welding machine, a frame, a braiding forming mold and two material strip supply mechanisms; the braiding forming mold comprises a braiding lower mold and a melting and pressing upper mold, and the braiding lower mold comprises an X-axis transfer mechanism, two YZ-axis transfer mechanisms and a lower mold; the two material strip supply mechanisms alternately supply fixed-length material strips to be placed on the lower mold, and the two YZ-axis transfer mechanisms respectively drive the lower molds placed thereon to operate, so that the two lower molds perform asynchronous insertion and staggered movements to perform braiding operations on the material strips placed thereon one by one, and at the same time, the melting and pressing upper mold performs interval melting and pressing on two adjacent braided material strips, and with the assistance of the X-axis transfer mechanism to synchronously transfer the two lower molds, the melting and pressing positions of the material strips are staggered to form a honeycomb core structure, the production process is simple, the degree of automation is high, and the purpose of high production efficiency, low manufacturing cost and excellent product quality of the honeycomb core structure is achieved.

A gradient impedance-gradient multi-fiber hybrid broadband absorbing structure is provided, comprising a multi-fiber preform and a low-loss matrix. The low-loss matrix fills within the multi-fiber preform and covers it, with a covering thickness of <0.2 mm. The multi-fiber preform is formed by weaving together high-loss, medium-loss, and low-loss fibers. The multi-fiber preform includes an impedance matching layer formed by low-loss fiber weaving, an impedance transition layer formed by mixing low-loss and medium-loss fibers, and an absorption attenuation layer formed by mixing medium-loss and high-loss fibers. The impedance matching layer, impedance transition layer, and absorption attenuation layer are stacked sequentially to form a three-dimensional structure. This invention can effectively control its microwave electromagnetic characteristics, achieve a reasonable impedance gradient change, and significantly improve broadband absorption performance.

The invention discloses a double-layer four-way stretch fabric and a preparation method thereof, and belongs to the technical field of textile fabric production. The double-layer warp is composed of surface layer warp and inner layer warp, and the surface layer warp is formed by blending cotton and lyocell fibers. The warp yarns of the inner layer are blended by polyester filament yarns and spandex yarns; the weft yarns consist of spandex yarns, cotton and polyester staple fibers; the number of the warps on the surface layer is 60-70 tex, the number of the warps on the inner layer is 8-10 tex, and the warp density of the double-layer warps is 381-391 pieces per 10 cm; the number of the weft yarns is 58.3-64.8 tex, and the weft-wise density is 161-172 pieces per 10 cm; comprising the following steps of spinning, warping, dyeing, leasing, slashing, drawing-in, weaving and finishing. The fabric has the advantages of no elasticity loss, no curling, softness and comfort.

This invention discloses a fully automatic flexible feeding device for medical braided sheath mandrels, comprising a feeding robotic arm and a braiding machine body located to the left of the feeding robotic arm. The feeding robotic arm is equipped with mechanical claws for gripping the sheath mandrel. The braiding machine body is fixedly mounted with equidistant sliding guide rails, each with a sliding seat. A receiving block is fixedly mounted on the top of each sliding seat, and a circular block is rotatably connected to the top of the receiving block. A braiding conveyor seat is fixedly mounted on the braiding machine body. This invention employs multi-segment support for the sheath mandrel, combined with rotational and translational motion, to feed the sheath mandrel. This maintains the structural stability of the flexible sheath mandrel. Simultaneously, after feeding, the sheath mandrel is positioned within a through-hole, constraining and restricting it, ensuring feeding stability, facilitating braiding processing, and improving the braiding quality of the medical braided sheath mandrel.