55results about How to "Meet weaving requirements" patented technology

The invention relates to a double-needle-bar warp knitting machine. The double-needle-bar warp knitting machine comprises a looping device, ground combing devices and a transmission device, wherein the looping device comprises front and rear needle bar parts and front and rear sinker bar parts; each ground combing device comprises an upper balance shaft, a yarn combing cradle and ground comb fixing bases in bilateral symmetry. The transmission device comprises front and rear needle bar transmission mechanisms, front and rear sinker bar transmission mechanisms, front and rear knocking-over transmission mechanisms and guide-bar cradle and upper balance shaft transmission mechanisms, wherein the front and rear needle bar transmission mechanisms supply power for the front and rear needle bar parts respectively, the front and rear sinker bar transmission mechanisms supply power for the front and rear sinker bar parts respectively, the front and rear knocking-over transmission mechanisms supply power for the front and rear balance shafts respectively, and the guide-bar cradle and upper balance shaft transmission mechanisms supply power for the yarn comb cradle respectively and control oscillation of the yarn comb cradle. The double-needle-bar warp knitting machine is capable of meeting the knitting requirements of short flock, medium flock and shag type warp knitting machines and can knit dense and jacquard pile fabric.

The invention relates to a full-drawn yarn of super fine polyester manufactured by using polyester continuously. The full-drawn yarn of super fine polyester with a specification of 75D/192F is manufactured by a one-step process route of circular blowing, cooling and spinning, and the yarn has good performance. The manufacturing process of the full-drawn yarn of super fine polyester comprises the following steps of: esterifying phthalic acid and glycol by using the refined raw material, preparing the melted polyester by the prepolycondensation and the final polycondensation, and directly spinning the melted polyester. The manufacturing process route comprises melted polyester, conveying the melted polyester, a spinning box, a metering pump, a member, circular blowing cooling, bundling and oiling, a paved path, a first hot roller, an interlacer, a second hot roller and winding. The invention has advantages of reasonable manufacturing processing, good fibre spinnabilitty, smooth weaving, light, flexible quality of the fabric and good style of the fabric, thereby meeting weaving request of fabric and lining of high-grade clothes and improving the grade and the additional value of products.

The invention relates to a single-needle-bed warp knitting machine. The single-needle-bed warp knitting machine comprises a looping device, a guide bar device, a transmission device and a transverse moving device. The looping device comprises a needle bed part, a needle core bed part, a knockover bed part and a sinker bed part; the guide bar device comprises a fan-shaped plate, a fan-shaped plate base, an upper swing shaft, at least one ground bar, a Jacquard bar and a fall-plate part; the transmission device comprises a needle bed transmission mechanism, a needle core transmission mechanism, a knockover transmission mechanism and a fall-plate transmission mechanism, the needle bed transmission mechanism provides power for the needle bed part, the needle core transmission mechanism provides power for the needle core bed part, the knockover transmission mechanism provides power for the knockover bed part, and the fall-plate transmission mechanism provides power for the fall-plate part and controls motion of the fall-plate part. As eccentric connecting rod transmission is adopted in the single-needle-bed warp knitting machine, the warp knitting machine operates stably and is low in noise and high in rotating speed, and the working efficiency is improved.

The invention relates to ultrafine polyester draw textured yarns and a method for processing the same. The melt direct spinning technique is used for production of the yarns, pure terephthalic acid and ethylene glycol are subjected to esterification, and polyester melt is prepared by means of pre-polycondensation and final-polycondensation and used for direct spinning, and viscosity of the prepared polyester melt is 0.650. The ultrafine polyester draw textured yarns and the method for processing are characterized in that the specification 20D/144F is adopted, circular blow and a POY (partially oriented yarn)-DTY (draw textured yarn) two-step process line are adopted for production. The method is reasonable, the fibers are fine in spinnability and excellent in physical indexes, broken ends of filaments are few, conversion success rate is high, dyeing uniformity can reach more than 99%, and full bobbin rate can reach more than 98%. The ultrafine polyester draw textured yarns are smooth in weaving, fabrics made of the ultrafine polyester draw textured yarns are light and soft and have good style, weaving requirements of high-grade apparel fabrics are met, and the grade and added values of products are improved.

The invention discloses a production method of negative ion BCF fiber. The production method comprises the following steps: A, preparing negative ion master batch: (1) grinding common BCF fiber polymerizing raw material sections into powder for later use; (2) stirring and mixing the powdery common BCF fiber polymerizing raw material, nanoscale negative ion powder and an assistant; and (3) prilling the stirred mixture to obtain negative ion master batch; B, preparing negative ion BCF fiber: mixing the negative ion master batch with the common BCF fiber polymerizing raw material to obtain a mixed material, wherein the weight percentage of the negative ion master batch in the mixed material is 3-8%; extruding the mixed material into a spinning box at the temperature of 220-280 DEG C; putting the mixed material after being processed in the spinning box into the production of the subsequent BCF spinning production line, wherein the BCF spinning production line comprises the following production steps: (1) filament spraying; (2) cooling; (3) oil applying and drafting; (4) BCF bulking; and (5) cooling and forming, outputting, entanglement network and winding. The negative ion BCF fiber is suitable for carpet weaving.

The vertical 3D fabric knitting machine includes one solid-liquid two phase under pan comprising one liquid phase layer and one solid phase layer floated on the liquid phase layer; one shuttle comprising yarn storing device, bobbin on the yarn storing device and electric heating wire outside the bobbin; one driving device comprising driving hand and driving arm; and one frame for the other parts to be set on. The solid phase layer is normally solid and may be converted into liquid state after being heated and returned to solid state after being cooled; the liquid phase layer is always in liquid phase; the bobbin and the electric heating wire penetrate the solid phase layer; the yarn storing device is located inside the liquid phase layer and connected to the driving hand via one separable interface; and the electric heating wire is connected to the power source. The said structure makes it possible for the shuttle to move in any locus in the under pan plane and is simple and low in cost.

The invention relates to a guide bar assembly of a warp knitting machine, comprising a tension frame support, a guide bar fixing frame, guide bars, figure knitting drums and a motor. The figure knitting drum is two and respectively arranged at the left and the right side of a machine frame; a rocking arm shaft is also positioned at the left and the right side of the machine frame respectively; the guide bars are divided into two groups; the rocking arm shafts are provided with rocking arms that are corresponding to one group of guide bars; main mandrils are connected to the rocking arms, and the guide bars are connected with the corresponding main mandrils and the rocking arms are propped in motion by mutually corresponding figured pattern card chains, which are of the same side and are on the figure knitting drums; the left and the right of the machine frame are provided with a guide bar resetting mechanism respectively; a motor promotes the two figure knitting drums to rotate through a transmission mechanism. The left side and the right side of the machine frame in the invention are provided with the figure knitting drums; the guide bars, which are divided into two groups, are steel sheet guide bars, and can meet the requirement for complex structure and figures. The guide bars of the invention can traverse stably and accurately, and have good linearity.

The invention discloses a small-caliber circular knitting machine plaiting device. The small-caliber circular knitting machine plaiting device is characterized by comprising a supporting rod fixed to the working face of a needle cylinder, a height adjusting device installed at the top end of the supporting rod, a rotation adjusting device connected with the height adjusting device, and a plaiting and yarn guiding rod connected with the rotation adjusting device. A plaiting and yarn guiding assembly is installed on the plaiting and yarn guiding rod and comprises at least one yarn guiding triangular support installed on the upper surface of the plaiting and yarn guiding rod, and a yarn guiding nozzle connected with the tail end of the plaiting and yarn guiding rod. Multiple yarn guiding holes arranged in parallel are formed in the head end of the yarn guiding nozzle. The small-caliber circular knitting machine plaiting device has the advantages that the structure is simple, operation is easy, control is stable, it can be achieved that yarn laying positions and angles are adjustable, multiple pieces of yarn (backing yarn and surface yarn) are introduced at the same time to meet the knitting requirements of different plaited fabrics, the application range is wide, and large-scale production and application are convenient.

The invention discloses integrated equipment capable of completing 3D wig preparation, which comprises a false hair wire coil head, a bottom cloth wire coil head, a jacquard warp knitting machine, a wig swing arm, a leftover material reel, a front frame and a rear frame, and also comprises a 3D film punching machine, a front frame and rear frame moving device and a hair bionic fixed-length cuttingdevice. The method for the 3D wig preparation comprises the following steps: combining guide bars and elastic guide bars according to different positions of the wig to form a high-density needle method at the edge portions of the forehead, the temple and the back of the brain, thereby providing the wearing firmness of the wig; the hair bionic fixed-length cutting device controls the knitting length of each row of hair; according to the integrated equipment capable of completing the 3D wig preparation, the wig has good elasticity, the knitting requirements of short hair, middle hair and long hair can be met, and the knitting of dense and jacquard base cloth bionic hair products can be achieved. According to the integrated equipment capable of completing the 3D wig preparation, a fully-formed 3D bionic hair product with the length exceeding 500mm can be weaved, and the fully-formed 3D bionic hair product has the advantages of excellent elasticity, air permeability, beautiful hairstyle and good wearable property.

The invention relates to the technical field of textile machinery and equipment, in particular to an angle adjustment device for a weft insertion cart. The angle adjustment device comprises an upper fixed disk, a lower fixed disk, a connecting rack for fixedly connecting the upper and lower fixed disks, a rotary shaft, and a lower adjusting block. The rotary shaft which is capable of rotating is disposed between the upper fixed disk and the lower fixed disk. The lower adjusting block capable of rotating around the rotary shaft is sleeved on the lower portion of the rotary shaft. The lower fixed disk is provided with at least one arc adjusting hole. The lower adjusting block is provided with a connector which is inserted into one adjusting hole to move within the travel of the adjusting hole. The lower adjusting block is fixedly connected with the lower fixed disk through the connector. The angle adjusting device meets the cover weaving requirements of carbon fiber yarns different in specification and can be used to properly adjust the angle of the weft insertion cart to ensure stability of cover weaving stability and increase cover weaving efficiency.

The invention discloses a device and method for preparing a pair of double-sided jacquard full formed 3D elastic bionic hair products, which comprises a jacquard knitting machine, a bionic device forcutting hair at a constant length and a frame moving device, and the front and rear needle beds of the jacquard knitting machine are arranged on the front and back frames respectively. The frame moving device comprises a motor, a screw and a guide rail, the front and rear frames are arranged on the guide rail, and the bionic device for cutting the hair at a constant length is arranged on the rearframe. The preparation of the pair of formed 3D elastic bionic hair products comprises front and back base fabrics and the hair woven on the base fabrics. The front and back fabrics and the hair wovenon the base fabrics are prepared in pairs by using the jacquard knitting machine. The hair thickness distribution matches with the jacquard weave empty of the base fabrics, not only is the double-sided jacquard weave is provided, but also the patterns diverse, adapt to the front and rear sparse jacquard weave empty structure, meets the bionic demand of fake hair. The entire product is formed foronce by using the jacquard knitting machine, the patterns are not spliced through stitching, and the cost is saved.

The invention relates to an ultra-thin fabric making method. The method comprises the steps of 1:1 non-elastic core spun yarn spinning process; weaving, wherein in the weaving process, a warp yarn opening forms an uneven shed, and upper layer warp yarns are made to be not on the same plane; aftertreatment vinylon-dissolving treatment which comprises swelling and dissolving, wherein vinylon-dissolving of a fabric is performed in overflowing equipment, the vinylon-dissolving temperature is 110 DEG C, the time is 25 min, the liquor ratio is about 30:1, and after vinylon-dissolving, the fabric iswashed to be clean with warm water of 40 DEG C and then cleaned with water of normal temperature and dried. The fabric made through the method is light as a thin wing, elegant, transparent, soft in hand feeding, light and smooth in texture, good in skin adaptability, high in yield and low in cost and slightly has silky luster.

The invention discloses a device and method for making bionic hair products. The device for the making bionic hair products comprises a front-back motion rack, a rack motion device and a bionic hair length-fixing cutting device, the rack motion device comprises a motor, a lead screw and a guide rail, and the front-back motion rack is arranged on the guide rail of the rack motion device; the rack is movably arranged on the motor, and under the effect of the lead screw, the spacing distance is adjusted in the front-back direction along a slide rail for a front-rear needle bed. The bionic hair length-fixing cutting device is arranged on the front motion rack or the rear motion rack, the front-back motion rack is provided with a looping device and a ground comb device, the bionic hair length-fixing cutting device intelligently adjusts motion of the needle bed on the slide rail according to the fashion trend and the client demand, the length of knitting hair of each-time combing is guaranteed, the client demand is met, and remote customization is achieved. According to the device and method for making the bionic hair products, the knitting demands of short hair, medium hair and long hair can be met, and knitting of the bionic hair products of compact jacquard weave bottom cloth can also be achieved.

The invention discloses a multifunctional ultra-large-stroke yarn storage and unwinding device, and belongs to a yarn storage and unwinding device of a two-dimensional and three-dimensional knitting machine. The yarn unwinding device comprises a light sensing communication signal acquisition device, a winding and unwinding yarn storage driving device assembly and a constant tension unwinding device; the winding and unwinding yarn storage driving device assembly is installed on a spindle seat of the light sensing communication signal acquisition device, and the constant tension unwinding deviceis located at the upper end of the winding and unwinding yarn storage driving device assembly; and a bolt penetrates through the yarn storage device shaft seat of the constant-tension unwinding device and the winding yarn storage driving device to be connected to the spindle seat of the light sensing communication signal acquisition device. The multiple groups of driving devices are connected inseries to increase the winding and unwinding stroke of the yarn storage device by four times, when the torsion of the multiple groups of driving devices reaches the limit, the yarn storage device overcomes the rated expansion force and friction and can keep unwinding of yarns, and a purpose of winding and unwinding the yarns continuously with over-large stroke and constant tension, noises do not exist, and the service life is long. The multifunctional ultra-large-stroke yarn storage and unwinding device has the advantages that an optical fiber acquisition signal controls the device to stop sensitively when yarns are broken, faults are positioned accurately, the energy is saved, consumption is reduced, and the device has lots of functions; and two-dimensional and three-dimensional weaving quality is improved, and a weaving range is expanded.

The invention discloses a short-flow processing method for a worn-imitated and linen-like yarn-dyed fabric. The short-flow processing method comprises the following steps of: racking a bobbin, performing paste dyeing, performing pre-drying, winding on a warp beam, weaving, rinsing, making the fabric old, baking and setting. 32S/2 all-cotton double-strand thread blanks pass through a special yarn winding pigment dyeing equipment; pigment printing paste is placed in a trough; a roller rotates to carry the paste for feeding the paste; cotton threads pass through the paste carrying roller; the paste carrying rate of the pigment printing paste on the cotton threads is controlled by controlling the tension of the cotton threads, and thus, the color depth is controlled; more than 800 threads canbe dyed at a time; after coating carries paste, the threads are dried at the temperature of 120 DEG C for 2 to 3 minutes; the dyed yarns are subjected to colored weaving; the yarn-dyed fabric is subjected to chlorine bleaching; the uncrosslinked coating on the surface is removed by rinsing; and the yarn-dyed fabric is baked and shaped at the temperature of 160 DEG C, so that the coating adhered tothe yarns is crosslinked, and the color fastness is improved.

The invention relates to the field of 3D (three-dimensional) elastic bionic hair preparation, in particular to a usage of a double-needle bed 3D wig-dedicated warp knitting machine, comprising the steps as follows: on the double-needle bed warp knitting machine, hair, ground yarns and elastic yarns are enabled to respectively reeve hair guide bars, ground guide bars and elastic guide bars; a high-density stitching method is adopted for weaving at parts fitting edge positions of the forehead, temples and head back of a wig, and a low-density pattern-structured base fabric is adopted for weavingat other parts; after the weaving of each row is completed, a fixed-length cutting device is adopted to cut the length of each row of hair, so that a grey wig fabric is formed, and the grey wig fabric is finished and processed into a 3D wig in a following process. According to the usage, a fully shaped 3D bionic hair product , the length of which exceeds 500mm, can be woven, and moreover, the woven fully shaped 3D bionic hair product has excellent elasticity, air permeability, exquisite hair style and good wearability.