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86results about How to "Weave evenly" patented technology

Preparation method of hollow fabric with radial elastic shrinkage

The invention discloses a preparation method of a hollow fabric with radial elastic shrinkage and relates to the preparation method of the hollow fabric. The object of the invention is to solve the problem that elastic hollow fabric available in the market does not meet the requirement of thin diameter and longitudinal elasticity and very large radial elasticity when being used in a specific task, has poor strength of bearing accidental drawing and poor wearability, as well as poor dimensional stability, and especially poor radial elasticity. The method comprises the preparation work of warp yarns, which includes selecting fine denier 75-200D aramid fiber fibers, 100-300D PBO (p-phenylene-2,6- benzobisoxazazole fiber) fibers or aramid fibers and PBO combined filament yarns as warp yarns; preparation work of weft yarns; directly winding of the weft yarns to form a pirn with a size same as that of a shuttle of a shuttle loom; and a determining and weaving process of metric portie. The hollow fabric prepared by the preparation method provided by the invention has excellent radial elastic recovery, and also the characteristics of superstrong resistance to longitudinal stretching force and wear resistance and corrosion resistance. The method is used for preparing elastic hollow fabrics.
Owner:HARBIN INST OF TECH

Flyknit vamp with breathing scale structure and flyknit method thereof

PendingCN108588993AConducive to fly weaving forming timeImprove breathabilityWeft knittingUpperYarnScale structure
The invention discloses a flyknit vamp with a breathing scale structure and a flyknit method thereof, wherein the flyknit vamp comprises a vamp base body and a scale main body, wherein the scale mainbody comprises a connecting edge, a free edge and an extending end; a part of the vamp base body corresponding to the scale main body is provided with a through hole; one edge of the through hole is aconnecting edge, the other edge of the through hole is an initial edge, and the flyknit comprises the following steps of, 1) using a flyknit machine with a multi-plate needle bed; 2) importing the pattern of the flyknit vamp into the flyknit machine, and threading the yarn on a yarn nozzle; 3) starting the flyknit machine to realize reciprocating weaving until finished; in this step, narrowing and knitting the part of the through hole when knitting to the line of the initial edge; for the next row, a rear needle bed knitting needle corresponding to the part of the through hole passes throughthe through hole and is matched with the corresponding front needle bed knitting needle for knitting the free edge of the needle knitting scale main body, and other parts are suspended; the scale mainbody is formed by the reciprocating knitting of one or more rows, and the other parts of the row or the other part of the connecting edge are continuously knitted; the knitting of the next row continues.
Owner:福建荣荣新材料股份有限公司

Yarn tension control mechanism of warp knitting machine

The invention discloses a yarn tension control mechanism of a warp knitting machine, which comprises a tension seat, a tension rod, a yarn-through rod, a driving gear, a driven gear and a servo motor, wherein the tension rod and the yarn-through rod are mounted on the tension seat; the driven gear is mounted on the tension rod; tension springs of certain number are equidistantly mounted in the same direction on the tension rod; yarn guide caps are clamped by the tail-end openings of the tension springs; a flange of the servo motor is fixed on the tension seat through a bolt; the driving gear is arranged on an output shaft of the servo motor; the driving gear is meshed with the driven gear; when the servo motor rotates back and forth under the control of the set program, the driving gear rotates along with the servo motor and the driven gear is driven to rotate; the rotation of the driven gear drives the tension rod and the yarn guide caps of the tension springs to rotate; and the control program controls the motor to rotate back and forth according to the rotation speed of a main shaft of the wrap knitting machine to cooperate with the looping motion of the warp knitting machine so as to control the tightness of the yarn tension. The uniformity of the yarn tension is guaranteed, thus the knitting of the warp knitting machine is smooth, the quality of the grey cloth is good, and the production efficiency is high.
Owner:FUJIAN XIN GANG TEXTILE MACHINERY

Pay-off braking device for spindle of high-speed braiding machine

InactiveCN102644159ALight and sensitive pay-offLine brakes are light and sensitiveBraidCircular discYarn
The invention relates to a pay-off braking device for a spindle of a high-speed braiding machine and belongs to a spindle braking structure of a braiding machine. The pay-off braking device comprises a spool base, a braking claw and a connecting rod, wherein one end of the braking claw is pressed on a side wall of an inner circular groove under the spool base; the other end of the braking claw is connected with the connecting rod; the spool base has a shape of a disc; a hole is formed in the middle of the disc; cylinders are uniformly distributed on the circumference of the same circle center as the hole; the inner circular groove is arranged under the disc; raised platforms are arrayed on an inner wall of the inner circular groove; the braking claw is L-shaped; the front end of the braking claw is pawl-shaped and moves in the inner circular groove under the spool base; a small hole is formed at a bent part of the braking claw and is sleeved on a pivot shaft; and the rear end of the braking claw is in sliding connection with the connecting rod. The pay-off braking device has the advantages that: a pay-off line is controlled by the pay-off braking device in a point contact way; the spindle pay-off is easy and flexible; the abrasion is small; the braking is accurate and gapless; a transmission part is simple in structure, low in cost, high in flexibility and long in service life; a rough yarn and a spun yarn are compatible; the yarn is free from being broken; and the braiding is uniform.
Owner:韩百峰

Wear-resistant structure of circular needle cylinder

The invention relates to the technical field of knitting machines, in particular to a wear-resistant structure of a circular needle cylinder. The wear-resistant structure comprises a needle cylinder, wherein a needle groove for containing a knitting needle is formed on the surface of the needle cylinder; a ring-shaped groove is formed in the position near the mouth of the needle cylinder; a wear-resistant wire is installed in the groove; and the knitting needle in the needle groove rubs with the wire in the reciprocation process. The wear-resistant structure has the following beneficial effects: the groove is formed in the position near the mouth and the ring-shaped wear-resistant wire is arranged in the groove, thus ensuring the unity of the hardness of the mouth of the needle cylinder and the hardness of the knitting needle; generally, the hardness of the wire is higher than that of the knitting needle, thus avoiding wear for a long time; when the knitting needle is used for knitting, wear of the mouth caused by stressed knitting can be completely eradicated; and besides, after the wear-resistant structure is adopted, smoother knitting of the knitting needle can be ensured, so that the quality of the knitted cloth cover is ensured and the service life of the needle cylinder is further prolonged.
Owner:洪荣豪

Textile fabric blended with graphene fibers

InactiveCN107604512AWeave evenlyNot prone to weft breakageWoven fabricsYarnPolymer science
The invention discloses a textile fabric blended with graphene fibers. The textile fabric comprises warps and wefts. The warps and the wefts are transversely and longitudinally interwoven to form thetextile fabric. The warps are made of pure cotton yarns, the wefts are made of yarns, cotton fibers and the graphene fibers are blended to form the yarns, and a weight ratio of the cotton fibers to the graphene fibers in the wefts is 5-8:1; paraffin layers are smeared on the outer surfaces of the graphene fibers before the wefts are spun, and the average lengths of the graphene fibers for spinningthe wefts are 30-50 mm. The textile fabric has the advantages that the surfaces of the graphene fibers are preliminarily waxed, and accordingly the spinning properties of the graphene fibers can be improved to a certain extent; the graphene fibers and the cotton fibers are blended, and the yarns with certain quantities of graphene fibers can be formed under the assisting effects of large quantities of cotton fibers easy to spin when cotton threads account for most of the weight ratio; each pure cotton single yarn with relatively high structural strength and each cotton single yarn with low structural strength and blended with the corresponding graphene fibers are twisted with each other, and accordingly the integral strength of the textile fabric can be improved by the aid of twisting ofevery two corresponding single yarns.
Owner:FOSHAN LANRUI OUTE INFORMATION SERVICES CO LTD

Symmetric warp let-off method and device of single needle bed warp knitting machine

ActiveCN107059237AConsistent tensionOvercoming Weaving EffectsWarp knittingYarn tensionWarp knitting
The invention relates to a symmetric warp let-off method and device of a single needle bed warp knitting machine. Yarns are conveyed to a weaving portion from a front side and a back side of a machine body of the single needle bed warp knitting machine respectively; and let-off paths of yarns at two sides of the machine body are mutually symmetrical, i.e., a symmetrical axis of the let-off paths is perpendicular to a central cross beam. The warp let-off device includes an even number of warp let-off systems which are horizontally symmetrical and positioned on the two sides of the machine body of the warp knitting machine; each warp let-off system includes a yarn unfolding mechanism, a yarn tension adjustment mechanism, and a looping mechanism; yarns are unfolded by the yarn unfolding mechanism, the tension of the yarns is adjusted by the yarn tension adjustment mechanism, and the yarns are conveyed to the looping mechanism. The influence of yarn tension difference on knitting can be avoided, the knittability of the yarns can be improved; a plurality of rows of yarn division needles and yarn guide needles can disperse extreme fine metal wires, tangled metal wires can be reduced, broken ends can be reduced, and the quality and the production efficiency of fabrics can be improved.
Owner:DONGHUA UNIV

Fabric with ear piece structure formed by knitting and knitting method thereof

PendingCN108588998AGood molding effectThe molding effect is good-lookingWeft knittingUpperYarnEngineering
The invention discloses a fabric with an ear piece structure formed by knitting and a knitting method thereof. The fabric comprises a fabric body. The ear piece structure is integrally knitted on thefabric body. The ear piece structure comprises a first layer and a second layer. Each of the first layer and the second layer comprises a connecting side, an outer edge and a suture side. The outer edges are in knitted connection, the suture sides are correspondingly in suture connection,, and an ear piece opening is formed between the connecting sides. The knitting method includes the following steps that 1), a hosiery machine with a work drum capable of rotating forwards and reversely is adopted; 2), patterns are input in the hosiery machine, and yarn penetrates through a yarn nozzle; 3), the hosiery machine is started, and knitting is carried out till the fabric is obtained. In the step 3), starting from the situation that the fabric body is knitted to the connecting side of the first layer of the ear piece structure, the work drum rotates forwards and reversely, the fabric body continues to be knitted to the connecting side of the second layer, other parts stop being knitted when the ear piece structure is knitted, and other parts continue to be knitted after the ear piece structure is knitted. According to the fabric structure, the problem that a knitted fabric is single in structure can be relieved, and the appearance of the fabric structure is richer and more stereoscopic.
Owner:福建荣荣新材料股份有限公司

Entwined drive-cross system for national costume decoration belt knitting machine

PendingCN111270408AIncrease the number of teethReduce meshing pitchBraidGear driveGear wheel
The invention relates to an entwined drive-cross system for a national costume decoration belt knitting machine, and belongs to the national costume decoration belt knitting machine. The number of front-transition gear driving plates and rear-transition gear driving plates of the entwined drive-cross system is separate two; front-rotation gear driving plates and rear-rotation gear driving plates are separately meshed with the two front-transition gear drivings and the two rear-transition gear driving plates to form a front transmission system and a rear transmission system, an entwined weavingsystem is formed between the front transmission system and the rear transmission system through common gear driving plates meshed with each other, and adjacent drive-cross slots are aligned synchronously during operation; the rear part of a front guide rail overlaps the front part of a rear guide rail to form a common guide rail; the intersection of the front guide rail and the rear guide rail islocated on one side of the rear guide rail; and the diameter of the front guide rail at the common guide rail is larger than that of the rear guide rail. The entwined drive-cross system for the national costume decoration belt knitting machine has the advantages that the guide rail of the knitting machine has no spindle interference phenomenon, the shape of the machine is reduced, and the space is saved; the reduction of the number of teeth of a drive-cross gear increases the rotation speed of the machine, and the production volume increases with the improvement of the rotation speed of the machine; and a spindle is woven evenly smoothly, and the weaving quality is improved.
Owner:XUZHOU HENGHUI BRAIDING MACHINE

Inorganic fireproof roller shutter fabric and production method thereof

ActiveCN102242438BImprove the current situation of low refractory temperatureSimple structureFibre treatmentWoven fabricsYarnFiber
The invention relates to an inorganic fireproof rolling curtain fabric, which is made of aluminum silicate yarn and stainless steel wire through parallel twisting, warping, sizing, threading and weaving. The inorganic fireproof rolling fabric of the present invention can be spun smoothly without adding organic fibers, which effectively improves the current situation of low fire resistance temperature of the fireproof rolling fabric caused by the addition of organic fibers in the prior art. And without the auxiliary effect of fire-resistant coating, the fire-resistant time can reach 180min, and the fire-resistant temperature exceeds 1100°C. The structure is simple, and it can be woven smoothly by using common looms. The inorganic fireproof roller blind fabric of the present invention can be used as an inorganic super fireproof roller blind base cloth, can play good fireproof and heat insulation functions without the auxiliary function of a water curtain, and is convenient to use. Inorganic fireproof rolling fabric adopts the production method of aluminum silicate yarn and stainless steel wire twisting together, which improves the dimensional stability of the fabric and will not cause deformation of the fabric surface due to multiple windings.
Owner:应急管理部四川消防研究所

Simple and convenient production method of knitted paper strings

The invention discloses a simple and convenient production method of knitted paper strings. The simple and convenient method comprises the following steps: (A) dividing paper: cutting base paper with definite gram weight so as to obtain paper strip reels with specified width through a paper dividing machine or a paper cutting machine; (B) immersing the paper for humidifying: blending 2-8% environment-friendly silicone oil with water so as to obtain a water-oil solution, completely immersing the paper strip reels divided and cut in the step (A) into the water-oil solution, after the paper strip reels are soaked for a definite time, taking out the soaked paper strip reels, airing the paper strip reels till the paper strip reels have appropriate humidity, and then enabling the paper strip reels to be loaded on a bearded needle machine for knitting strings; (C) weaving strings: levelly placing the paper strip reels which are aired to have the appropriate humidity to a material placing platform of the bearded needle machine, enabling the paper strip reels to directly penetrate through a string guiding hole to a needle barrel of the bearded needle machine for weaving the strings, exerting twist on paper through the rotation of the bearded needle machine around a circle of the bearded needle machine when the bearded needle machine is used for knitting the strings, and further knitting the paper into needle-penetrating paper strings. According to the making method of the needle-penetrating paper strings disclosed by the invention, the middle complex working procedure of spinning paper yarns can be eliminated; besides, after the working procedure is eliminated, when the strings are hooked, the operation is smooth, the needles are not liable to block, and the hand feel of woven strings is soft and comfortable; in addition, the use of varied industrial addition agents is also eliminated.
Owner:余智华
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