1785results 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.

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.

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 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 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 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.

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 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 invention relates to the field of flame-retardant textile fabrics, and provides a comfortable flame-retardant aramid fabric and a preparation method thereof. The composite filler with the average length of 3.0-8.0 mu m and the diameter of 0.4-1.0 mu m is prepared by adopting the design of multielement blended composite fibers of hydroxyapatite / magnesium hydroxide composite filler, meta-aramid polymer, para-aramid polymer, polybenzimidazole and the like through a hydro-thermal synthesis process of performing silanization surface activation and accurately controlling the molar ratio of calcium to phosphorus to be 1.60-1.67. The preparation method comprises the following steps: preparing the composite filler with the average length of 3.0-8.0 mu m and the diameter of 0.4-1.0 mu m; then industrial production processes such as graded shearing dispersion, continuous wet spinning, multi-stage stretching heat setting and after-finishing are performed, so that synergistic improvement of flame retardant performance and comfort performance is achieved, and the technical problems that a traditional aramid fiber fabric is poor in flame retardant effect, poor in comfort, unstable in processing performance and the like are solved; the fabric has wide application value in high-end application fields such as fire protection clothing, industrial protection textiles and military protection equipment.

The invention provides a preparation method of a lyocell and polyester interwoven fabric, which is characterized in that the preparation method comprises preparation and dyeing and finishing processes of a lyocell polyester fabric, and the dyeing and finishing processes comprise a lyocell anti-fibrillation treatment process, a polyester dyeing process and a lyocell dyeing treatment process; wherein the lyocell anti-fibrillation treatment process comprises the following steps: adding an anti-fibrillation aid KR-6347 according to 1%-4%, then adding anhydrous sodium sulphate, treating for 8-15 minutes, heating to 60-70 DEG C, adding 10-25 g / L sodium carbonate, continuing for 30-50 minutes, then cooling, draining water and cleaning. The lyocell terylene fabric is woven into knitted single jersey through knitting equipment in a yarn matching mode of separating lyocell terylene, separating lyocell and spandex. The fabric structure and the dyeing and finishing process are reasonable, the fibrillation degree of the fabric is greatly reduced through the dyeing and finishing process, the fastness to washing is high, and the breathable effect of the fabric is better under the wet condition after dyeing and finishing.

The invention relates to the technical field of medical instruments, in particular to an artificial ligament braided fabric. The artificial ligament braided fabric comprises a braided part, the braided part is formed by interweaving warp yarns and weft yarns, a mesh staggered structure is formed, the warp yarns extend in the width direction of the braided part, and the weft yarns extend in the length direction of the braided part. Compared with the prior art, by optimizing the weaving structure and the size design, the complex movement requirements of various joint parts such as the ankle joint and the acromioclavicular joint can be met, the stable fixing effect is provided, and the risks of loosening and shifting of the graft are reduced.

The utility model discloses a concave-convex warp knitting screen cloth with local transparent convex areas, which belongs to the technical field of textile, and comprises a screen cloth body integrally knitted by a single jacquard warp knitting machine, the screen cloth body comprises a surface layer, a bottom layer and a middle layer, and the surface layer is provided with at least one transparent convex area.

The invention relates to the technical field of layered materials, and discloses an anti-pilling warm-keeping acrylic fabric and a preparation method thereof. The preparation method of the anti-pilling warm-keeping acrylic fabric comprises the following steps that acrylic fibers are pretreated through 1, 3-diamino-2-propyl alcohol, then silane modified phase change microcapsules are loaded, and modified acrylic fibers are obtained; blending the modified acrylic fibers and the cotton fibers into blended yarns, and knitting to obtain an inner-layer fabric and an outer-layer fabric; spinning and knitting the polyurethane heating and warm-keeping fibers to obtain a middle-layer fabric; fitting the inner-layer fabric, the middle-layer fabric and the outer-layer fabric to obtain a composite fabric; and dipping the composite fabric in the multifunctional finishing agent emulsion to obtain the anti-pilling warm-keeping acrylic fabric. The anti-pilling warm-keeping acrylic fabric disclosed by the invention has excellent washing resistance, anti-pilling performance, warm-keeping performance, moisture absorption performance and antistatic performance.

The invention discloses a jacquard vamp material based on bio-based degradable polylactic acid (PLA) and a preparation method thereof, and relates to the technical field of shoe materials. The jacquard vamp material is of a three-layer jacquard structure formed by integrally weaving PLA composite filaments through a jacquard warp knitting machine. The PLA composite filament is prepared from the following raw materials in parts by weight: 80-95 parts of polylactic acid (PLA) slices, 5-15 parts of poly (butylene adipate / terephthalate) (PBAT), 3-8 parts of a flexibilizer, 1-3 parts of a compatilizer, 0.5-2 parts of an anti-hydrolysis agent and 0.5-1.5 parts of a lubricant. According to the invention, the bio-based PLA is used as a main raw material and is matched with degradable auxiliaries such as PBAT, so that the whole vamp material can be completely biodegraded under a composting condition, the problem of environmental pollution of a traditional vamp is fundamentally solved, and meanwhile, through blending modification of PBAT and the flexibilizer, the flexibility and impact resistance of the PLA material are remarkably improved, and the vamp material has good application prospects. The requirements of the vamp material on softness, wear resistance and durability can be met.

The invention relates to the technical field of high polymer materials, in particular to a color-spun superfine sea-island imitation sheepskin fabric and a production method thereof. The color-spun superfine sea-island imitation sheepskin fabric comprises the following raw materials in parts by weight: color-spun superfine sea-island fibers, conventional polyester filaments and a functional additive, the color spinning superfine sea-island fiber is formed by blending alkali-resistant color master batches and a sea-island base material, the mass ratio of an island component to a sea component in the sea-island base material is (5-7): (3-5), and raw materials of the island component and the sea component are polyethylene terephthalate and polyethylene respectively; the functional additive comprises an alkali-resistant stabilizer, a dyeing auxiliary agent and a softening agent. According to the invention, sodium citrate and KH-550 in the alkali-resistant stabilizer react at a constant temperature, sodium citrate is dissolved in the process and forms weak interaction with amino of KH-550 to enhance the stability of the system, and ether bonds of polyoxyethylene fatty acid and sulfonic groups of lauryl sodium sulfate in the dyeing auxiliary agent form a synergistic effect to enhance the emulsifying and wrapping capacity to grease and color paste.

The invention relates to the technical field of textiles, in particular to a breathable and warm-keeping textile fabric and a preparation method thereof.The fabric comprises a skin-friendly layer and a protective layer and is formed by weaving modified yarn made of graphene modified acrylate, the skin-friendly layer is aerosol modified cotton fiber, and the protective layer is a methacrylate copolymer. During preparation, the skin-friendly layer is subjected to the steps of raw cotton treatment, allyl ether grafting, mixed spinning with aerosol dispersion liquid and the like; the protective layer is prepared through monomer polymerization, film casting and plasma treatment; finally, a finished product is obtained through modified yarn stitch-bonding and hot melt adhesive compounding. Through a unique raw material formula and process, the fabric effectively balances the thermal insulation and air permeability, improves the tensile strength, wear resistance, water resistance, softness and other properties, can be widely applied to the fields of daily wear, outdoor clothes and the like, and meets the requirements of people for high-performance textile fabrics.

A sock for covering at least a foot of a human wearer includes: a knitted toes-covering fabric-region, configured to cover toes of the foot; a knitted sole-covering fabric-region, configured to cover a sole of the foot; and a knitted toes-region stabilizing component, located between the knitted toes-covering fabric-region and the knitted sole-covering fabric-region. The knitted toes-region stabilizing component is configured to stabilize, and to prevent shifting or slippage of, the knitted toes-covering fabric-region in response to body movements. The knitted toes-region stabilizing component is a knitted band that is formed of a first yarn which is a High-Friction Low-Slippage yarn; the knitted toes-covering fabric-region and the knitted sole-covering fabric-region are knitted of a second, different, yarn. The first yarn has a first friction coefficient relative to human body; the second yarn has a second friction coefficient relative to human body; the first friction coefficient is greater than the second friction coefficient by at least 25 percent.

The utility model relates to the technical field of yarn adjusting assemblies of knitting machines, in particular to a yarn adjusting assembly of a knitting machine. The yarn adjusting assembly of the knitting machine comprises an installation base, a shell, a yarn guide ring, a clamping mechanism used for fixing, an annular plate, a supporting base and a yarn combing ring, the shell is fixedly connected to the installation base, the yarn guide ring is fixedly connected to the shell, a through hole is formed in the installation base, the clamping mechanism is arranged on the installation base, and the yarn combing ring is arranged on the annular plate. A supporting seat is fixedly connected to the mounting seat, an annular plate is fixedly connected to the supporting seat, and a yarn combing ring is fixedly connected to the annular plate. Through the optimized yarn path design and the intelligent tension control system, it is ensured that the yarn keeps proper tension in the conveying process, the phenomenon that the yarn is broken or loosened due to uneven tension is effectively prevented, thread residues are prevented from drifting away through the design of the winding wheel, follow-up treatment is facilitated, and the operation efficiency is improved.

A piezoelectric jacquard device for a warp knitting machine comprises a novel base, a novel bimorph, a plug assembly, a shield assembly, a cable bundle assembly, a pouring sealant, a grounding screw, a novel guide needle assembly, a stainless steel front blocking tooth assembly, a rotating shaft, a rotating shaft cover plate, a cover plate fixing screw and a front blocking tooth fixing screw. Wherein the novel yarn guide needle assembly comprises a plastic clamping sleeve and a novel yarn guide needle, and the stainless steel front blocking tooth assembly comprises stainless steel upper blocking teeth and stainless steel lower blocking teeth. One end of the novel bimorph is limited and fixed in a rear blocking tooth of the novel base, and the other end of the novel bimorph is limited in a bimorph swing limiting groove in the novel yarn guide needle assembly to form flexible hinge connection; the novel yarn guide needle assembly is matched and positioned with the rotating shaft through a rotating shaft positioning hole in the novel yarn guide needle assembly; a novel yarn guide needle of the novel yarn guide needle assembly is limited up and down and left and right in a yarn guide needle limiting groove in the stainless steel front blocking tooth assembly.

The invention relates to the technical field of composite thermal insulation materials, and discloses a composite thermal insulation material and a process thereof, a composite structure is adopted, and the composite thermal insulation material is prepared through the ultralow thermal conductivity of aerogel, the supporting thermal insulation effect of polyurethane foam and the heat absorption and heat release functions of phase change microcapsules. The composite warm-keeping material can effectively block heat transfer at different environment temperatures, a hollow hole type hot melt gluing structure is adopted, breathable vacancies are reasonably arranged according to functional use requirements, the heat preservation characteristic of the composite fabric is guaranteed, and meanwhile the fabric can have good breathability; the cold pressing roller and the air cooling box base which are arranged on the rear portion of the hot pressing composite roller are used for cooling the fabric subjected to hot melting composite, the situation that the composite fabric is separated due to conveying tension can be avoided, and the composite stability of the fabric can be effectively improved; and the fabric can be efficiently and rapidly cooled through secondary air cooling, and heat accumulation and adhesion of the rolled fabric can be avoided.

The utility model discloses a needle bed assembly which comprises a cross rod body, the cross rod body is in a hollow rod shape, the cross rod body is formed by curing carbon fiber composite materials, a hollow part is arranged in the middle of the cross rod body and used for reducing the weight of the cross rod body, and the hollow part extends in the length direction of the cross rod body. The hollow parts are parallel to the inner wall of the cross rod body and the outer wall of the cross rod body, epoxy resin is directly cured and formed on the carbon fiber composite material, independent machining of aluminum magnesium alloy used in the prior art is reduced, and therefore the finished product rate of machined parts is increased; according to the needle bed assembly, the high-strength epoxy resin is cured on the cross rod body made of the carbon fiber composite material, so that the phenomenon that the needle bed assembly deforms to different degrees due to different thermal expansion coefficients of existing aluminum magnesium alloy in the high-speed operation process, the hanging needle position of a textile machine deviates, and the needle bed assembly is damaged is greatly avoided. And the problems of frequent yarn breaking and low running speed are avoided, so that the yield of textile products is improved.

The invention discloses a knitted fabric production technology and equipment, and the technology comprises the following steps: S1, selecting 50% of polyester fibers and 49% of cotton fibers to be blended as main fibers, and adding 1% of nano-silver fiber master batch; s2, spinning the polyester fibers and the cotton fibers into yarns through a drawing frame; s3, the spun yarn is dyed; s4, the dyed yarn is soaked in a fluorine-containing finishing agent for 45-90 minutes, and the yarn obtained after soaking is completed is dried; s5, weaving the dried yarns into a knitted fabric base material; s6, the woven knitted fabric base material is soaked in the fluorine-containing finishing agent again, and the time ranges from 60 minutes to 120 minutes; s7, the soaked knitted fabric base material is dried through drying equipment and then rolled, and finally the knitted fabric is obtained.By means of the technical scheme, oil stains and liquid pollutants are not prone to being adsorbed to the surface of the knitted fabric, and cleaning is facilitated.