544results about How to "Improve weaving efficiency" patented technology

The invention discloses a normal reinforced 2.5D fabric and a weaving method thereof. The fabric comprises a warp yarn system and a weft yarn system, wherein the warp yarn system and the weft yarn system are interwoven to form a layer-layer-corner interlocking structure. The fabric is characterized by also comprising a normal yarn system, wherein the normal yarn system is perpendicular to the interwoven warp yarn system and weft yarn system, penetrates through the thickness of the fabric, and is held by the adjacent warp yarn and weft yarn, thereby forming the normal reinforced 2.5D fabric. The fabric weaving method is realized in a way that: a technique normal yarn system is added based on the prior weaving method of the 2.5D fabric; and the normal yarn is perpendicularly led between every two adjacent warp yarn rows by a yarn leading device in the weft yarn direction in a certain leading way, penetrates through the thickness direction of the fabric and is held by the adjacent weft yarn rows, thereby weaving the 2.5D fabric. The method comprises the following steps: arranging yarn initially, making a shedding motion, leading in the weft yarn, leading in the normal yarn, making a shedding motion for the second time, leading in the weft yarn for the second time, and repeating the last three steps, thereby obtaining the normal reinforced 2.5D fabric.

The invention relates to a production method for a radiation-resistant fine spun fabric, which mainly comprises the following steps: dyeing and recombing wool first, and then combing the wool into colored wool tops, mixing the colored wool tops and metallic short fiber strips in spinning and mixing processes to spin into metallic yarns, and weaving, dyeing and finishing the metallic yarns to produce the radiation-resistant fine spinning fabric. Through spinning and mixing the metallic short fibers, the production method for the fabric makes the metallic fibers distributed in the fabric more evenly and improves radiation-resistant effect; the diameters of the metallic short fibers are softer than that of fine fibers, and so on, so the fabric is softer and more subtle; through the control for the weaving, dyeing and finishing processes, the fabric also has the advantages of high-grade appearance, neat hand feel, fine and pure face and excellent wearing property at the same time of having radiation-resistant function; and the fabric has most popular natural memory fold function at present simultaneously. Therefore, the fabric is suitable for producing male and female fashion coats which can show grace, luxury, romance and grade after being worn.

The invention provides an environment-friendly textile size composition which has simple process and convenient use, and substitutes for polyvinyl alcohol, and a preparation method thereof, which aim at the current status that the sizing of the prior textile fiber warp can not be independent from PVA size and the disadvantages of the prior size. The size composition is prepared by mixing an ultrafine particle inorganic material which accounts for 1 to 10 percent of the total weight, polyacrylic acid size which accounts for 10 to 40 percent of the total weight, and water for the balance. The size composition is matched with modified starch size, can fully substitute for the PVA size during the sizing process of yarns such as pure cotton, polyester cotton, hemp, artificial cotton, and tenel, and meet the manufacturing requirement of high-difficulty varieties.

The invention relates to a flat machine numerical control system based on a field programmable gate array (FPGA) high-speed communication method. The flat machine numerical control system comprises a management layer with an ARM module, a coordination layer with a DSP module and an FPGA module and an execution layer, and is characterized in that a dual-port RAM high-speed communication module is arranged between the ARM module and the FPGA module and is provided with independent valid read/write pins. The invention has the following obvious substantive characteristics: the dual-port RAM high-speed communication module is arranged and is provided with the independent read/write pins, so that signals of each layer are matched and are prevented from holding time and conflicting; and the data communication efficiency between the management layer and the coordination layer is improved by a method of adopting abundant logical resources in the FPGA module to realize dual-port RAM high-speed communication in a software programming mode, thus the weaving efficiency is improved. By adopting the control method of the control system, the communication speed is improved, and the control system has the characteristics of strong anti-interference performance, good generality and the like.

The invention discloses a weft insertion device and method for a multilayer braided prefabricated body. The weft insertion device comprises a support, the support comprises a base and a lifting devicearranged on the base, and a yarn storing mechanism, a yarn selecting mechanism, a merging mechanism, a cutting mechanism and a traction mechanism are arranged on the lifting device in sequence in theweft insertion yarn forward direction. A rapier is used for weft insertion, a tension detection and control mechanism is arranged on a spool, real-time monitoring and compensation on weft yarn tension are achieved, and by means of a yarn selector, automatic selection on yarns of different specifications can be achieved. According to the weft insertion method for the multilayer braided prefabricated body, the adopted device is simple in structure, small in occupied area and convenient to operate; when weft insertion is conducted, the mechanism movement is easy, weft insertion of high-thicknessbraided prefabricated body braiding can be achieved, and the braiding efficiency is significantly improved; meanwhile, online automatic yarn selection and merging can be achieved for the yarns of different specifications, and the braising quality is improved; the multilayer braided prefabricated body is high in structural design; the device and method are suitable for preparing platy prefabricated bodies with complex shapes.

A kuralon fiber finely woven fabric is characterized by comprising the following components by weight percent: 70-80% of wool or wool and other fibers and 20-30% of kuralon fiber; and the preparation method comprises the following steps: 1) selecting raw materials; 2) recombing; 3) spinning; 4) weaving; and 5) dyeing and finishing. The kuralon fiber finely woven fabric produced by the method of the invention has bulky and soft hand feeling and the hollowness is up to 20-30%. The selection of kuralon is reasonable, the mixing method ensures that the kuralon fiber finely woven fabric can be smoothly spun, the spinnability is good, the fiber is easy to draw, the evenness is good, the fault is less, the weaving efficiency is high, and the characteristics that the fabric is hollow and the hand feeling is bulky and soft, of the kuralon fiber finely woven fabric can be better embodied after finishing.

The invention discloses a method for processing blanched untwisted relief towels. The method comprises the following steps: doubling and twisting high temperature water soluble vinylon yarns at the temperature being higher than 90 DEG C with the common cotton yarns to prepare untwisted water soluble yarns; arranging the obtained untwisted water soluble yarns and the common yarns at intervals in a ratio of 1:1 and warping the yarns to prepare wool warp beams and interweaving the wool warp beams with ground warp and weft yarns to form jacquard patterns; ensuring the untwisted parts to shrink and the parts needing to be sheared to protrude through squeezing, moistening and high temperature roller blanching; after drying, shearing the raised parts needing to be sheared on a shearing machine; dissolving out the water soluble yarns on the untwisted yarns with high temperature water at the temperature being higher than 90 DEG C to ensure the untwisted yarns to be untwisted and pop; and after washing, carrying out water removal, softening and drying to ensure the untwisted yarns to be fluffy and raised. Through changing the preshrinking method, the problem that the relief towels can not be produced with the high temperature water soluble untwisted yarns is solved and the effects of low cost, high weaving efficiency, strong third dimension of the relieves and high yield can be achieved.

The invention relates to a novel numerical control reed-moving fluff conjugate cam beating-up mechanism. The beating-up mechanism comprises a conjugate cam group, a pendulum shaft assembly, a beating-up drive link and a sley beating-up part, wherein the conjugate cam group is hinged with the beating-up drive link through the pendulum shaft assembly in a movable manner to drive the sley beating-up part; the beating-up drive link consists of more than two stages of drive links which are hinged mutually; the hinged joint of each two stages of drive links are movably hinged with a positioning link which can move up and down; and the positioning link is connected with a numerical control regulating mechanism to regulate the rising and falling of the positioning link and ensure that the straight line drive effective total length between the both ends of the beating-up drive link can be controlled by changing the angle between each two stages of drive links. The invention provides the novel numerical control reed-moving fluff conjugate cam beating-up mechanism which is suitable for high speed, has the advantages of compact structure, low cost and high weaving efficiency, is easy to repair and can weave products with different pile heights; and the mechanism can control the relative displacement of each weft of reed to control the pile height of each weft and weave different hair types with 3-7 wefts such as wavy hair and zigzag hair.

The invention aims to study out special production equipment for knitting carbon-fiber gridding cloth through broad-width carbon fibers and a method for producing the carbon-fiber gridding cloth through the special production equipment. The invention has the technical scheme that a broad-width carbon-fiber knitting machine comprises a knitting-machine main body, a warp conveying device and a knitting table, wherein the warp conveying device is formed by a bottom supporting frame, a plurality of warp driving shafts and a plurality of traction driving shafts, a warp lifting and pulling device and an electric control box which are used for separating broad-width carbon-fiber tow bands up and down at intervals are also arranged on the knitting-machine main body, and a weft frame, a weft releasing device, a weft towing device, a weft cut-off device and a weft translating device are arranged on the knitting table. The invention also discloses the method for producing the carbon-fiber gridding cloth by using the broad-width carbon-fiber knitting machine. The invention has the beneficial effects that by adopting the knitting machine disclosed by the invention, the gridding-cloth knitting efficiency of the carbon-fiber tow bands after fiber expansion can be effectively improved, and the difficult problem that the carbon-fiber tow bands after fiber expansion need to be purely manually knitted is solved.

A mildew-resistant willow rattan softener is disclosed. The softener is prepared from following raw materials by weight in part: 12-15 of glycerol, 4-7 of sodium hexametaphosphate, 5-7 of sodium bicarbonate, 6-7 of sodium citrate, 3-4 of wild chrysanthemum flower, 5-7 of the tuber of stemona, 2-4 of cordate houttuynia, 4-5 of povidone-iodine, 3-4 of auxiliary agents and 100 of water. The softener adopts a weak acid and a weak base, and is low in surface corrosion, uniform in softening and good in toughness. By using the glycerol and the sodium hexametaphosphate, surfaces of rattans are smooth and the weaving efficiency is increased. By using the tuber of stemona and other Chinese herbal medicines, mildew and damage by worms can be prevented.

The invention provides a preparation method of high-quality wool heavy-twist and anti-wrinkle fabric. The high-quality wool heavy-twist and anti-wrinkle fabric is prepared by interweaving warps and wefts, wherein the warps and the wefts are respectively prepared by blending raw materials by weight percent, and the raw materials comprise 75% of 16.0 mu m Australasian wool and 25% of mulberry silk. The preparation method adopts an innovative easily-caring and anti-wrinkle fabric design method and an after-finishing technology; the prepared fabric is smooth in hand feeling, good in elasticity, excellent in draping property and good in wearability, and reaches the requirement of easy care, thus being very suitable for making a high-quality non-lining or semi-lining business and casual suit.

The invention relates to an industrial polyester filament for a high-strength ultra-low-elongation safety belt and a production method of the industrial polyester filament. The production method comprises the following steps of: A) high-viscosity polyester chip preparation; B) high-viscosity polyester chip impurity removal; C) melt spinning; and D) drafting, heat setting and winding. The number of the industrial polyester filaments produced by adopting the method is 72-144F, the fineness is 1100-2222dtex, the breaking strength can reach more than 7.80cN/dtex, the fixed-load elongation can reach 4-6 percent under a condition of 11.1KN and the controllable oil content is lower than 0.30-0.60 percent. The industrial polyester filament for the high-strength ultra-low-elongation safety belt and the production method of the industrial polyester filament have the beneficial effects that the breaking strength of the safety belt which is provided by using the obtained industrial polyester filaments can reach 35KN and is much higher than the breaking strength being 28-33KN of the existing safety belt, the physical and mechanical performance is good and the industrial polyester filament is an optimum raw material for producing front-row safety belts; the weaving performance is good, the dyeing uniformity of the safety belt is good due to lower fiber oil content, the gloss is stable, and chromatic aberration and stains do not exist; the waste polyester fibers can be recycled, the energy is saved, the environment is protected and the operating cost is reduced; and the operation is simple to conduct, the process flow is short, the automation level is high and the development space is very great.

The invention discloses a vertical bar artificial silk spinning fabric production process. The fabric comprises warp yarn and weft yarn, 75D ultra-fine denier polyester filament yarn through weak twisting and 75D polyester black yarn are adopted in the warp yarn, and 75D ultra-fine denier polyester filament yarn through weak twisting and 75D glazed artificial filament yarn without twisting are adopted in the weft yarn. The warp yarn process includes the steps: winding, two-for-one twisting, sectional warping and drafting, and the weft yarn process includes the steps: spooling, two-for-one twisting and rewinding. According to the vertical bar artificial silk spinning fabric production process, on the basis of improvement of a device, the problems that viscose fibre is fine denier high-F fiber with low twisting degree, broken filament can be easily generated in the twisting process, and therefore unsmooth wefting insertion can happen easily in the weaving process, weft yarn is stopped and returns in a weaving machine easily, and the like are chiefly solved. Through optimization of weaving process parameters, weaving quality and efficiency are improved, and novel fabric which is like light and thin and transparent real silk is successively developed. Through the vertical bar artificial silk spinning fabric production process, textile is high in ventilation and drapability, and good in shaping effect, and particularly suitable for being used as high-range closed-fit fabric.

The invention discloses a method and a mechanism for equivalently lowering and folding cloth woven by a circular knitting machine according to cloth quantity. The cloth woven by the circular knitting machine is fed out after passing through a buffering temporary storage mechanism which can store the cloth temporarily and is partitioned into three section cloth lengths; the decrement of a third section cloth length on the lower side is equal to the summation of the increment of a first section cloth length and the increment of a second section cloth length; the increment of the first section cloth length is equal to that of the second section cloth length; the increment of the third section cloth length is equal to the summation of the decrement of the first section cloth length and the decrement of the second section cloth length; the decrement of the first section cloth length is equal to that of the second section cloth length; and the three section cloth lengths are mechanically complemented with one another through the buffering temporary storage mechanism, so that cloth above a cloth folding rod which moves and lowers the cloth in a reciprocating way keeps fixed tension, and cloth continuously woven by the circular knitting machine is equivalently lowered and folded on a cloth carrying plate if the cloth above the cloth folding rod keeps the fixed tension.

The invention relates to a novel multifunctional three-dimensional conduction fabric, a preparation method thereof and an application of the fabric. The three-dimensional conduction fabric sequentially comprises an appearance layer, a functional conduction layer and a fabric protection layer from top to bottom, and the appearance layer, the functional conduction layer and the fabric protection layer are interwoven through stitching warps and stitching wefts or integrally bundled by bundling yarns. The three-dimensional conduction fabric is designable in height, simple in preparation process, high in weaving efficiency and suitable for industrial production, application field of the conduction fabric is widened, and the conduction fabric has wide application prospects in the fields of smartclothing, heating, electronic sensing and electromagnetic shielding.

The invention relates to a breathable knitted spacer fabric friction generator and a preparation method thereof. The method comprises the steps of weaving a top layer and a bottom layer by using a three-wire plating process, controlling the yarn angles of surface yarns, intermediate yarns and ground yarns respectively such that the three yarns are sequentially arranged according to a certain positional relationship and then are woven, at the same time, in the weaving process, performing alternate tucking of spacer wires between a top layer ground yarn and a bottom layer ground yarn with a certain number of spacing stitches to form the breathable knitted spacer fabric friction generator, wherein a top layer surface yarn and a bottom layer surface yarn are at the outmost sides of a compositelayer and are insulating yarns, a top layer intermediate yarn and a bottom layer intermediate yarn are conductive yarns, the top layer ground yarn and the bottom layer ground yarn are opposite and are a triboelectric negative yarn and a triboelectric positive yarn correspondingly, and a spacer layer is composed of a set of spacer wires that are simultaneously connected to the top layer ground yarn and bottom layer ground yarn. The preparation method of the invention has the advantages of simple process and high weaving efficiency, and the obtained knitted spacer fabric friction generator hasgood gas permeability and has excellent promotion value.

The invention relates to a plain weave three-dimensional multilayer cylindrical or cylindrical special-shaped braided fabric, which is a three-dimensional continuous cylindrical braided fabric formed by interlacing over three layers of warps and over two layers of wefts, wherein over two other layers of warps are inserted into every layer of warps; every layer of warps and other layers of warps are inserted in sequence layer after layer, and are encircled into a continuous cylinder; and every layer of wefts is orthogonally buckled in every layer of warps and is encircled into a continuous cylinder. In the three-dimensional multilayer braided fabric, every yarn fiber of every layer is tightly interlaced into a whole. The braided fabric has uniform stress, is a continuous cylinder with no seam, and has a tight structure; and the intensity and compression resistance of a cylindrical or cylindrical special-shaped composite material are enhanced effectively.