2136results about "Warp knitting" patented technology

The invention relates to the field of warp knitting machines, in particular to a warp knitting machine weft selecting and laying device which comprises a weft selecting unit, a weft laying unit and yarn conveying and clamping units, the yarn conveying and clamping units are symmetrically arranged on one side of the weft laying unit, the weft selecting unit is horizontally arranged above the yarn conveying and clamping units on the two sides, and the weft selecting unit comprises a mounting frame. A plurality of line selection frames arranged in the weft selection unit and traction mechanisms on the line selection frames are matched with a line clamping plate limiting mechanism and a line clamping plate mechanism, rapid and accurate selection and switching of multiple yarns are achieved, the weft selection efficiency and accuracy are improved, a trolley assembly in the weft laying unit is in linkage design through a line pressing frame, a line pressing plate and a line clamping mechanism, and the weft laying efficiency is improved. According to the yarn conveying and clamping unit, reliable pressing and clamping of the yarn are achieved, yarn displacement in the weft laying process is avoided, the yarn conveying and clamping unit is matched with an adjustable clamping piece in a chain transmission mode, continuous and stable conveying of the yarn is achieved, and accurate control over the clamping state is achieved through an adjusting assembly and a driving assembly.

The invention provides a high-strength, light and supercritical foaming fabric and a preparation method thereof, complete fibers used by the fabric comprise core layer fibers and a skin layer material, the outer side of the core layer fibers is uniformly coated with the skin layer material, and the skin layer material can be foamed; the core layer fiber is at least one of aramid fiber, polyarylate fiber, polyimide fiber, ultra-high molecular weight polyethylene fiber, polyester fiber and polyamide fiber; and the skin layer is made of thermoplastic elastomer resin. The preparation method comprises the following steps: uniformly coating the outer side of the core layer fiber with the skin layer material, and then carrying out supercritical foaming on the skin layer material. According to the invention, the contradictory technical requirements of the fabric for shoes on strength, light weight, comfort and the like are solved in a simple mode; the body strength of the fiber for the shoes can be kept, and the characteristics of light weight and air permeability of the foaming fabric are also achieved; the difficulty of direct foaming of the fabric / fiber for shoes is reduced, and the vamp fabric and the shoe article which are uniform in foaming, breathable, light in weight, high in strength and soft can be obtained.

The invention provides a warp-knitted interval sensing fabric and a preparation method and application thereof, a pressure sensor, a pressure sensing foot pad and a plantar pressure value acquisition system, and belongs to the technical field of flexible sensors. The warp-knitted interval sensing fabric comprises an electrode layer, a monofilament interval layer and a sensing layer which are sequentially laminated; the warp-knitted interval sensing fabric is of an integrally formed structure; the electrode layer is provided with a full-penetrating double-comb structure and comprises a plurality of conductive strips which are arranged in parallel, and an insulating strip is arranged between every two adjacent conductive strips; the monofilament spacing layer is formed by mutually connecting fiber coils, and the electrode layer and the sensing layer are connected through the fiber coils; the sensing layer has a full-penetration double-comb weave and is obtained by weaving sensing yarns. According to the warp-knitted spacer sensing fabric pressure sensor, the electrode layer, the monofilament spacer layer and the sensing layer are integrally formed, the process is simple, the cost is low, and large-scale production and practical application are facilitated.

A textile fabric is provided, including: a main body, a film layer and a covering layer. The main body includes two surfaces opposite to each other, and each of the two surfaces has a surface texture being concave and convex. The film layer is coveringly disposed on one of the two surfaces and is concave and convex corresponding to the surface texture, and the covering layer is coveringly disposed on the other of the two surfaces. Therefore, the film layer has an appearance corresponding to the surface texture, and the textile fabric has good toughness, is waterproof and is not easily damaged, and the covering layer provides comfortable feeling of touching.

Aspects herein are directed to textile that includes a first layer formed from a first plurality of yarns or fibers. The first layer includes a first set of apertures, each aperture having a first opening size. The textile further includes a second layer formed from a second plurality of yarns or fibers. The second layer includes a second set of apertures. Each aperture in the second set of apertures is axially aligned with a corresponding aperture in the first set of apertures. Each aperture in the second set of apertures has a second opening size that is smaller than the first opening size of apertures in the first set of apertures. The first layer is relatively more hydrophilic than the second layer.

The invention discloses a preparation method of a completely biodegradable dustproof net based on modified bamboo powder, and belongs to the technical field of biodegradable new materials. The formula comprises the following components in parts by weight: 50-70 parts of poly (butylene adipate-co-terephthalate), 10-40 parts of bamboo powder, 0.1-2 parts of a silane coupling agent, 0.1-1 part of a surfactant, 0.1-1 part of an anti-blocking agent, 0.1-1 part of an antioxidant and 0.1-1 part of an ultraviolet light absorber. The dust screen prepared by the invention not only has biodegradability, but also has the characteristics of being green and environment-friendly by adopting the bio-based material bamboo powder. Meanwhile, in order to realize good combination of the bamboo powder and matrix plastic poly (butylene adipate-co-terephthalate), a silane coupling agent capable of combining the bamboo powder and the matrix plastic poly (butylene adipate-co-terephthalate) through a chemical reaction and a surfactant capable of combining the bamboo powder and the matrix plastic poly (butylene adipate-co-terephthalate) through a physical effect are sequentially adopted for composite modification of the bamboo powder; the dispersity of the bamboo powder and the compatibility of the bamboo powder and poly (butylene adipate-co-terephthalate) are effectively improved, and the prepared dustproof net has good mechanical properties.

The piezoelectric blocking piece structure of the three-station piezoelectric jacquard comprises a main body part, a piezoelectric bending brake and a stitch length adjusting part, and the utility model further relates to the three-station piezoelectric jacquard with the piezoelectric blocking piece structure. According to the three-station piezoelectric jacquard, when the piezoelectric separation blade structure is used for driving a corresponding yarn guide needle in the three-station piezoelectric jacquard to be switched to a middle station, one part of the needle pitch adjusting part abuts against at least one part of the yarn guide needle, and the other part of the needle pitch adjusting part is arranged between the main body part and the yarn guide needle. Therefore, the needle pitch of the yarn guide needle is kept, and the needle pitch is kept accurate and does not deviate when the yarn guide needle is located at the middle station.

According to the elastic fabric provided by the invention, the TPU fiber is used as an elastic fiber material of the elastic fabric, the TPU fiber is processed into the elastic yarn, and the woven fabric with excellent elasticity and good hand feeling is obtained through the structural design of the elastic yarn and the fabric in combination with a corresponding processing textile dyeing and finishing process. According to the elastic fabric and the preparation method thereof, the elastic fabric has excellent elasticity, the warp-direction elastic elongation of a woven fabric can reach 35-70%, the weft-direction elastic elongation of the woven fabric can reach 80-130%, the warp-direction elastic elongation of a knitted fabric can exceed 180-250%, and the weft-direction elastic elongation of the knitted fabric can reach 250-360%; the fabric is low in elasticity modulus and low in elastic recovery rate, and clothes made of the fabric are weak in constraint feeling when worn; a special wrinkle style can be obtained on the surface of the fabric, and the fabric has excellent hand feeling; the invention further provides a method for stably processing and preparing the elastic knitted fabric.

The utility model discloses a single-layer screen cloth with a multi-layer structure, which belongs to the technical field of textile and comprises a screen cloth body integrally woven by a three-jacquard warp knitting machine, the screen cloth body comprises a first layer, a second layer and a third layer from top to bottom, and the first layer, the second layer and the third layer are all woven by superfine yarns. And the first layer, the second layer and the third layer are mutually overlapped and interwoven to form a single-layer screen cloth effect.

The invention relates to the technical field of knitted fabrics, in particular to an efficient moisture absorption and sweat releasing knitted fabric and a preparation method thereof.The preparation method comprises the following steps that raw materials are weighed by weight, 15-25 parts of cotton fibers, 30-40 parts of modal fibers and 30-35 parts of Coolmax fibers are weighed, blended yarn is woven in a 30-inch 30-needle mode, and woven fabric is obtained. According to the knitted fabric, cotton fibers and modal fibers are matched with Coolmax fibers to be subjected to high-temperature blank fixing and blending treatment, then finishing modification liquid ultrasonic high-pressure immersion treatment is matched, and the raw materials are blended, optimized and improved, so that the moisture absorption and sweat releasing properties, the antistatic property and the pollution resistance of the prepared knitted fabric achieve performance balance coordination; meanwhile, the product has remarkable weather-proof and washing-resistant stability effects.

The invention discloses special cloth for a single-sided terry bath foaming towel and a weaving method of the special cloth. The terry cloth comprises a three-layer structure integrally woven by a warp knitting machine, wherein the three-layer structure comprises a base layer and 100D / 36F polyester filament yarn warp knitting chain weave; the binding layer is a 100D / 96F polyester filament chain stitch and penetrates through the substrate layer; the looped pile layer is of a vertical looped pile structure formed by 300D / 10F polyester filaments, the height of looped piles is 7-8 mm, and the density of the looped piles is 25-30 / cm; the thickness ratio of the base layer to the binding layer to the looped pile layer of the three-layer structure is 0.6: 1: 7. The three kinds of yarns with different thicknesses are combined to form a three-layer structure, the three-layer structure is directly formed through warp knitting, a traditional fuzzing roller is not needed for fuzzing, the upright performance of a looped pile is guaranteed, it is guaranteed that the looped pile does not generate monofilament breakage and is stable in structure, and the foaming performance and the weaving feasibility are balanced.

The invention relates to the field of conductive fiber manufacturing, and discloses a light-color conductive fiber production process which comprises the following steps: mixing: mixing a matrix polymer, a conductive matrix polymer, a nano filler and a metal oxide in proportion; performing melt blending: performing melt blending on the mixture through a double-screw extruder to form conductive master batches; performing composite melt spinning: mixing the conductive master batch and a matrix polymer according to a mass ratio of 1: 4-1: 6, and performing melt spinning to form a fiber with a skin-core structure; and stretching and shaping: stretching and heat-shaping the obtained fibers, wherein the multifilament density is 50-200D. Through a composite conductive system of the conductive matrix polymer, the nanofiller and the metal oxide, the construction of a multi-dimensional synergistic conductive path is realized. Compared with a traditional technical scheme of constructing a conductive network depending on a single filler, the defects that the conductive network is easy to break and the conductivity is unstable are overcome, and the conductivity of the fiber under a dynamic condition is ensured.

The invention relates to the field of warp knitting machines, in particular to a weft selecting trolley with a yarn tension adjusting function, which comprises a weft selecting trolley unit and can monitor the tension state of yarns in real time by arranging a capacitive proximity switch: when the yarns are loose, the capacitive proximity switch does not send out a signal, a system automatically triggers a tension adjusting mechanism, and the tension state of the yarns is adjusted; the assembly mounting plate is pulled through the driving mechanism to ensure that the yarn is always in a tensioned state, the yarn loosening phenomenon in the weft laying process is effectively avoided, the tensioning of the yarn can be automatically adjusted, all the yarn clamping units can be controlled through the adjusting unit to clamp the yarn, and the yarn laying efficiency is improved. Synchronous work of yarn clamping of the clamping assemblies and the capacitive proximity switch is achieved through the adjusting piece, single adjustment of the single assembly mounting plate in the yarn clamping state can be achieved through cooperation of the adjusting piece and the guide frame, the synchronous adjusting plate drives the clamping assemblies on the two sides to synchronously move through the limiting sliding grooves, and it is guaranteed that clamping force is evenly distributed; yarn deviation or distortion is avoided, and weft laying quality is improved.

The invention belongs to the field of fabrics, and discloses a high-breathability polyester fabric and a preparation method thereof.The high-breathability polyester fabric comprises a base cloth layer, the base cloth layer is of a double-layer structure, the inner layer is a hydrophilic fiber woven layer, and the outer layer is a modified polyester fiber woven layer; the hydrophilic fiber woven layer is formed by weaving hydrophilic fiber yarns, and the modified polyester fiber woven layer is formed by weaving modified polyester fiber yarns; the section of the modified polyester fiber yarn is of a hollow structure, a micropore structure is arranged on the surface of the modified polyester fiber yarn, the micropore diameter of the micropore structure ranges from 0.1 micrometer to 10 micrometers, and the porosity ranges from 20% to 40%. The fabric is of a double-layer woven structure, the hydrophilic fibers on the inner layer quickly absorb sweat and conduct the sweat to the outer layer, sweat accumulation is avoided, the microporous structure of the modified polyester on the outer layer accelerates moisture evaporation, meanwhile, the hollow structure reduces moisture absorption expansion of the fibers, the dry and comfortable form of the fabric is kept, the micro protrusions on the surface form air turbulence, moisture discharge is accelerated, and stuffiness is avoided when the fabric is attached to the skin.

The utility model relates to a shoe material with local elasticity, which comprises a surface layer, the surface layer is formed by knitting a looping ground comb GB1 by adopting a multifilament yarn chain stitch structure, a jacquard layer is overlaid on the surface layer, the jacquard layer comprises an elastic area and a non-elastic area, and the elastic area and the non-elastic area are arranged on the surface layer. The elastic area is woven by a first pair of jacquard guide bars by adopting a multifilament yarn walking mesh structure, and the non-elastic area is woven by the first pair of jacquard guide bars by adopting a multifilament yarn walking dense texture structure; a pattern comb local elastic layer is arranged on the elastic area. According to the elastic shoe material, local elasticity can be achieved in a designated area of the shoe material and changes along with tension and relaxation changes of foot muscles, and tighter wrapping performance is achieved.

The present invention belongs to the technical field of carbon material fibers, and discloses a preparation method of a carbon nanofiber reinforced carbon material fiber fabric. The preparation method is as follows: Fix the weakly twisted carbon material fiber tow on an electrospinning nanofiber yarn machine, form a carbon nanofiber membrane by electrospinning and uniformly wrap it on the weakly twisted carbon material fiber tow, then wind it into a roll, and then weave the wound fibers into a fabric, and sequentially perform hot pressing and carbonization treatments on the fabric to obtain a carbon nanofiber reinforced carbon material fiber fabric; Weak twisting means that the twist is 5 to 13 turns / meter. The present invention first coats the carbon nanofibers on the carbon material fibers to improve the interfacial bonding strength between the nanofibers and the carbon material fibers, and then performs hot pressing and carbonization treatments on the fabric prepared therefrom to further improve the mechanical properties, electrical conductivity and thermal conductivity of the fabric, making it show great application prospects in the fields of high-performance composite materials, intelligent textiles, etc.

One or more aspects of the present disclosure provide for composite elements that include a textile having a plurality of fibers, the plurality of fibers comprising a first thermoplastic material; and a second thermoplastic material surrounding the plurality of fibers of the textile and consolidating at least a portion of the textile, wherein the second thermoplastic material has a melting temperature lower than a melting temperature of the first thermoplastic material. The composite elements can be used as part of a fluid chamber or cushioning element, whereby the composite element imparts puncture resistant to the fluid chamber or cushioning element. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

The utility model relates to a crochet woven belt. The crochet woven belt comprises warp yarns, bottom-layer weft insertion yarns, middle-layer weft insertion yarns and surface-layer weft insertion yarns. The bottom-layer weft insertion yarns and the surface-layer weft insertion yarns are interwoven with the warp yarns; the middle-layer weft insertion yarns are arranged on the bottom-layer weft insertion yarns and are a plurality of straight yarns which are not interwoven with the warp yarns. The surface-layer weft insertion yarns are arranged on the sides, away from the bottom-layer weft insertion yarns, of the middle-layer weft insertion yarns and partially cover the middle-layer weft insertion yarns. The crochet woven belt is provided with the warp yarns and the bottom layer weft insertion yarns which are interwoven, and is provided with the middle layer weft insertion yarns which are not interwoven with the warp yarns, so that patterns which are not influenced by colors of the warp yarns are presented on the surface of the woven belt; and the surface layer weft insertion yarns partially covering the middle layer weft insertion yarns are arranged, so that the surface of the braid presents a stereoscopic pattern. The crochet woven belt can present patterns with stereoscopic impression, the weaving process is simpler and more convenient than tatting, materials are few, the cost is low, and the whole woven belt is light, attractive in appearance and suitable for being used as a decoration strip of clothes.

The invention discloses a production process of wear-resistant jacquard mesh cloth, which comprises the following steps: selecting 150D-300D polyester low stretch yarns as main yarns, and selecting modified chinlon yarns as jacquard yarns; soaking the woven screen cloth body into sufficient soaking liquid for soaking treatment, and after soaking is finished, drying and curing treatment are carried out, so that the wear-resistant jacquard screen cloth can be obtained. According to the jacquard screen cloth, the polyester low stretch yarn is adopted as the main body yarn, the modified chinlon yarn is optimized and improved, the polyester low stretch yarn serves as the jacquard yarn, specific weaving is carried out, then treatment and improvement are carried out through the infiltrating liquid, and the wear resistance, the air permeability and the flame retardance of the obtained jacquard screen cloth can be improved in a coordinated mode.

The utility model relates to the field of warp knitting machines, in particular to an automatic gear opening adjusting device which comprises a rack, a first swing shaft, a second swing shaft, a first knocking-over support, a second knocking-over support, a first knocking-over plate, a second knocking-over plate, a controller, a first servo motor, a second servo motor, a first eccentric adjusting mechanism and a second eccentric adjusting mechanism. The first knocking-over support and the second knocking-over support are directly controlled by the servo motor to independently swing, so that the opening of the knocking-over plates is adjusted, the two knocking-over plates can be synchronously adjusted, a certain knocking-over plate can also be singly adjusted, different scene requirements can be met, the adjusting mode is flexible, diversified and convenient, and the working efficiency is improved. And the displacement of the knocking-over bar can be accurately adjusted through electric control and adjustment of the servo motor.

The utility model discloses opposite-pull circular hole jacquard warp knitting mesh cloth, which belongs to the technical field of textile, and comprises a mesh cloth body integrally knitted by a jacquard warp knitting machine, the mesh cloth body comprises a surface layer, a bottom layer and a middle layer, the surface layer of the mesh cloth body is provided with a plurality of regular circular lifting holes, and the regular circular lifting holes are formed by opposite-pull knitting of jacquard guide bars in the opposite direction.

A method of making a plant-based deep pile fabric that closely resembles animal fur or wool, that includes extracting the plant fibers from the plant material and forming a yarn or sliver made from plant fibers and simultaneously attaching it to a scrim also made from plant fibers, where the fiber is attached and extends from the scrim to form a length of plant-fiber pile fabric having natural plant fibers on one side and the scrim on the opposite side. The method includes finishing the scrim side of the fabric with an adhesive agent to attach the fibers to the scrim and form a stable base. The method also includes finishing the plant fiber pile side of the fabric by applying fur-industry specific processing steps to alter the properties of the fibers resulting in an even closer resemblance of animal fur.

The invention discloses a moisture-absorbing and quick-drying polyester fabric and a preparation method thereof, and relates to the technical field of fabric fiber materials. The invention relates to a preparation method of a moisture-absorbing and quick-drying polyester fabric. The preparation method comprises the following steps: blending super-moisture-absorbing polyester fibers and spandex fibers to obtain blended yarns; weaving the blended yarn to obtain the moisture-absorbing and quick-drying polyester fabric. The super-moisture-absorption polyester is obtained by melting and cross-linking PET slices and carboxylated three-layer core-shell particles; the carboxylated three-layer core-shell particles are obtained by performing carboxylation treatment on the three-layer core-shell particles by gamma-aminopropyltriethoxysilane and pyromellitic dianhydride; the super-moisture-absorption polyester fiber prepared by the method has water-absorption quick-drying performance, high heat conductivity and certain ultraviolet protection performance, and the polyester fabric prepared by the method is applied to preparation of sun protection clothes and sportswear, so that the wearing comfort and functionality are greatly improved.

The utility model discloses a modular knitted vamp and a modular shoe, and relates to the technical field of vamps. The modular knitted vamp comprises a plurality of independent knitted module units, each knitted module unit is divided according to different functional areas of the vamp, knitting yarns with corresponding characteristics are used for knitting into different texture structures and contour shapes, each knitted module unit can be independently disassembled, assembled and replaced, and the knitted module units can be independently disassembled, assembled and replaced. Braids or ropes are woven on the edges of the knitting module units, and through holes are further formed in the edges of the knitting module units. According to the modularized knitted vamp, due to the fact that all the knitted module units can be manufactured at the same time, the production period is greatly shortened, meanwhile, material waste is reduced through the modularized design, the manufacturing cost of shoes can be reduced, and the modularized knitted vamp is more environmentally friendly.

A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways comprising: a cushion member that includes a retaining structure and a seal-forming structure permanently connected to the retaining structure; a frame member attachable to the retaining structure; and a positioning and stabilising structure attachable to the frame member.

The utility model relates to the technical field of yarn adjustment, in particular to a warp knitting machine yarn tension self-adaptive adjusting mechanism which comprises a main machine body, the main machine body can be installed on a warp knitting machine and used for adjusting yarn tension, and a tension adjusting system capable of adjusting the yarn tension is arranged in the center of the main machine body. The tension adjusting system comprises a plurality of tension fine adjustment assemblies capable of finely adjusting yarn and an adjusting assembly used for driving the tension fine adjustment assemblies to rotate, and further comprises a rotating assembly arranged on the main machine body and used for driving the tension fine adjustment assemblies and the adjusting assembly to move. The rotating assembly comprises two rotating plates rotationally arranged on the main machine body. Through the synergistic effect of the tension fine adjustment assembly, the adjusting assembly and the rotating assembly, the yarn tension adjusting device can adjust the tension of yarn in a self-adaptive mode, and is simple in adjusting structure and rapid in adjustment.

The invention discloses a light-weight warm-keeping breathable fabric and a production method thereof. The light-weight warm-keeping breathable fabric is formed by interweaving wool yarns, ground yarns and bonding yarns, the fabric comprises a surface raising layer, a middle supporting layer and an inner raising layer; the surface raising layer is composed of fluff formed by cutting off wool yarns; the middle supporting layer is of a net-shaped structure formed by ground yarns which are knitted into loops; the inner gigging layer is composed of fluff formed by extending part of the velvet yarn to the back face of the fabric. The velvet yarns penetrate through the surface raising layer and the inner raising layer at the same time, and the bonding yarns are made of hot melting materials and are fused to consolidate the velvet yarns and the bottom yarns. According to the fleece fabric, the balance of light weight, high warmth retention property, high air permeability and structural stability is realized, the lint falling resistance and durability can be remarkably improved, and the problems that a traditional fleece fabric is thick and heavy, low in warmth retention efficiency or loose and vulnerable in structure and the like are solved.

The present technology relates to furniture covers, in particular, to knitted items of material that are configured to cover pieces of furniture such as chairs, couches, stools, tables, mattresses or box springs, and that are knitted from environmentally friendly fibers that constitute recycled or recyclable materials. Such furniture covers are aesthetically appealing, durable, environmentally friendly, easy to use and change, and otherwise sufficient to satisfy users' practical and design goals. They also have the advantage of permitting a user to dispose the furniture covers, and remove them, without disturbing adjacent pieces of furniture, particularly in the case of a box spring that can be covered without removing the mattress stacked on top.

The invention discloses a capacitive pressure sensor and a preparation method thereof. The capacitive pressure sensor comprises a dielectric layer, an upper electrode and a lower electrode, wherein the dielectric layer is composed of a three-dimensional periodic lattice structure fabric and ionic gel; the three-dimensional periodic lattice structure fabric is composed of a plurality of C-shaped elastic filaments, an upper-layer mesh fabric and a lower-layer mesh fabric, and the elastic filaments are arranged between the upper-layer mesh fabric and the lower-layer mesh fabric as longitudinal supports; the ionic gel is compounded with the lower-layer mesh fabric, and a gap exists between the top of the ionic gel and the upper-layer mesh fabric; the upper electrode and the lower electrode are foam nickel electrodes with three-dimensional mesh structures, the upper electrode is arranged at the top of the upper-layer mesh fabric, and the lower electrode is arranged at the bottom of the ionic gel. The sensor provided by the invention is provided with the dielectric layer with a special structure, and can maintain high-sensitivity linear sensing in a large pressure detection range.