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457 results about "Fiber spinning" patented technology

Precise control system and method for wool type fiber spinning process

The invention discloses a wool type fiber spinning process precise control system and method, and relates to the technical field of fiber materials.According to the method, a perturbation gas injection groove is introduced into a spinning hole side structure, and gas injection parameters are collected in real time in combination with an MEMS micro-thermal film flow meter, a binocular infrared imager and other equipment; standardized preprocessing and feature extraction are carried out on gas injection data through a central control server, the directional deflection Odev can be accurately calculated, dynamic comparison and evaluation are carried out according to a deflection interval threshold value, and therefore the active regulation and control capacity on the initial deflection angle and the curling direction of fibers is achieved. Different from a traditional spinning process that fiber deflection completely depends on a mold, temperature or subsequent drafting disturbance, the method can construct a stable disturbance induction force field at the moment of fiber ejection, it is ensured that a fiber nascent path has consistency, directivity and predictability, and controllable guide conditions are provided for subsequent wool type structure construction.
Owner:CHANGZHOU FANGXING PRECISION MACHINERY +1

High-wettability special-shaped polyester fiber spinning oil and preparation method thereof

The invention relates to high-wettability special-shaped polyester fiber spinning oil and a preparation method thereof. The preparation method comprises the following steps: weighing and preparing required materials according to actual use requirements; the method comprises the following steps: pre-balancing the materials under the condition of 35-45 DEG C before feeding; sequentially adding a smoothing agent, a bundling agent, an antistatic agent, a wetting and penetrating agent, an anti-coking agent and a wetting and penetrating auxiliary agent, and fully and uniformly mixing the materials in a manner of adding materials while stirring; the oiling agent disclosed by the invention is high-wettability special-shaped polyester fiber spinning oiling agent, and contains 5-10wt% of a main wetting and penetrating agent consisting of isotridecanol polyoxyethylene polyoxypropylene ether and pentaerythritol oleate, and also contains a wetting and penetrating auxiliary agent; due to the addition of the wetting and permeating auxiliary agent, the wetting and permeating performance of the oiling agent is greatly improved, the wetting and permeating performance of the oiling agent is excellent, and the oiling agent can well adapt to the production process of the special-shaped polyester fibers.
Owner:ZHEJIANG SCI-TECH UNIV

Molding system and method for high-strength and high-modulus polyethylene fiber spinneret plate

The invention relates to the technical field of high-performance polymer material processing, in particular to a high-strength and high-modulus polyethylene fiber spinneret plate forming system and method.The system comprises a melt state monitoring module, a dynamic rheological coordination module, a micro-flow field reconstruction module, a molecular chain orientation module and an extrusion stabilization module; wherein the melt state monitoring module is used for acquiring an orientation degree real-time value and a pressure fluctuation value of a melt at an inlet of a spinneret plate; the dynamic rheological coordination module is used for generating a shear rate adjusting instruction and a pressure compensation instruction; the micro-flow field reconstruction module responds to the instruction and outputs a melt meeting a preset shear distribution condition; and the molecular chain orientation module is used for generating an axial stretching flow field in the convergence flow channel. According to the invention, through a melt state driven multistage flow field regulation and control and chain segment orientation control mechanism, the cooperative guarantee of orientation degree improvement and extrusion stability in the high-strength and high-modulus polyethylene fiber spinning process is realized.
Owner:CHANGZHOU FANGXING PRECISION MACHINERY +1

Lyocell fiber spinning pulp porridge process simulation and quality prediction method and system

The invention relates to the technical field of fiber production process simulation modeling, in particular to a Lyocell fiber spinning pulp porridge process simulation and quality prediction method and system.The method comprises the following steps that a simulation system is used for simulating the swelling process of cellulose in an NMMO solvent, and multiple sets of input and output data pairs are generated to construct a data set; a physical model of a simulation system is introduced into the gradient boosting tree algorithm to serve as regularization constraint, and an improved gradient boosting tree algorithm is obtained; and training an improved gradient boosting tree algorithm by using the data set to predict the quality of the Lyocell fiber spinning pulp porridge. According to the method, a slurry porridge quality prediction scheme based on simulation data and the improved gradient boosting tree algorithm is put forward for the first time, the slurry porridge research and development time and cost are greatly reduced, the improved gradient boosting tree algorithm integrates a physical model of a simulation system into a model training process by adding a physical constraint regularization item into a loss function, and the development efficiency of the slurry porridge is improved. The scientificity of a prediction result is enhanced, and the reliability of industrial application of the model is improved.
Owner:DONGHUA UNIV +1

Blending modified antifibrillated lyocell fiber and preparation method thereof

A preparation method of the blended modified antifibrillated lyocell fiber comprises three steps as follows: S1, a fibroin raw material and a cellulose raw material are dissolved in different NMMO / water mixed solvents respectively, and a fibroin solution and a cellulose solution are obtained; s2, transferring the fibroin solution and the cellulose solution into a reaction kettle, adding a modifier, vacuumizing to remove oxygen, heating to 50-85 DEG C, and stirring to react to obtain a composite spinning solution; the modifier is a small molecular compound containing an epoxy group or an oxygen-containing heterocyclic ring; s3, the composite spinning solution is extruded through a spinneret plate, fiber forming is conducted through a coagulating bath, drafting and winding are conducted, and the blending modified antifibrillated lyocell fiber is prepared. According to the invention, through in-situ modification of the lyocell fiber spinning solution, the prepared lyocell fiber has the intrinsic antifibrillation capability, the addition of an after-finishing process for treatment is not needed, meanwhile, the mechanical property of the fiber is improved, and the fiber is endowed with better skin-friendly property and wearing comfort.
Owner:SICHUAN UNIV

Yarn detection device for chemical fiber spinning

The invention relates to the technical field of yarn detection, and particularly discloses a yarn detection device for chemical fiber spinning. According to the yarn detection device for chemical fiber spinning, the purpose of uninterrupted detection is achieved, an operator sleeves a to-be-detected yarn on the yarn feeding assembly, the yarn is manually pulled to penetrate through the detection device for tension and surface detection, and a device corresponding to the winding device drives the yarn to penetrate through the detection device for detection; the device corresponding to the winding device can properly heat the yarn, the tensile strength of the yarn can be lost after the tension test, the original strength of the yarn can be recovered after the yarn is properly heated, and the detection device can continuously provide tension as an adjustable tension providing device, so that the continuous offline test is realized, and the detection efficiency is improved. Compared with a traditional sampling type testing device, all raw materials can be tested, the tensile strength is recovered in a proper temperature rising mode, and the situation that the product performance is affected due to the fact that the strength of yarn is reduced after testing is completed is prevented.
Owner:XINYI LIYE WEAVING CO LTD

Multifunctional polyester yarn production system and intelligent regulation and control method thereof

The invention provides a multifunctional polyester yarn production system and an intelligent regulation and control method thereof, and relates to the field of chemical fiber spinning engineering. Comprising a multi-source sensing module, the multi-source sensing module carries out real-time acquisition processing on a multi-physics coupling process state set to form process state basic data, and the acquisition processing adopts a multi-type sensing device. And the depth inference processing module is used for carrying out space-time coupling inference processing on the process state basic data to form a process state recognition result. According to the multifunctional polyester yarn production system, through real-time acquisition and depth inference processing of multi-physical field data by the multi-source sensing module, accurate identification and prediction of a process state in a production process are realized. According to the multifunctional polyester yarn production system and the intelligent regulation and control method thereof, a space-time joint prediction model is used, the space-time joint prediction model comprises a graph convolutional network and a long-short-term memory network, space and time characteristics in data are fully mined, and the accuracy of process state recognition is improved.
Owner:FUJIAN YIMING TEXTILE CO LTD

Synthetic resin canvas excellent in dimensional balance stability and process for producing the same

To provide a synthetic resin canvas (and a method for producing the same) having cotton canvas appearance, stable in balance of warp and weft dimensions, and hardly causing dimensional change.SOLUTION: A synthetic-resin canvas having a mass of 360 to 800g / m2, the synthetic-resin canvas being obtained by providing a soft vinyl chloride-resin-impregnated coating layer on an entire surface of a fabric, wherein the fabric is a plain weave fabric, a twill weave fabric, or a satin weave fabric, and a 10% tensile stress in a widthwise direction of the synthetic-resin canvas is 90 to 110% of a 10% tensile stress in a processing direction. Especially, the fabric is composed of a short fiber spun yarn, a combination of a short fiber spun yarn and a long fiber multifilament bulky yarn, or a long fiber multifilament bulky yarn, and the difference between the total fineness per inch (dtex / inch) of the weft yarn group and the total fineness per inch (dtex / inch) of the warp yarn group is within ± 10%.SELECTED DRAWING: None
Owner:HIRAOKA & CO LTD

Coaxial layered fiber spinning for wind turbine blade recycling

Recycling wind turbine blades includes shredding, crushing, and milling the wind turbine blades to yield a multiplicity of particles including glass fiber and sieving the particles to yield a multiplicity of pellets including glass fibers. Manufacturing a composite coaxial fiber includes providing a first, second, and third polymer composition to yield a composite coaxial fiber precursor, processing the composite coaxial fiber precursor to yield a coagulated composite coaxial fiber precursor, drawing the coagulated composite coaxial fiber precursor, and heating the drawn coagulated composite coaxial fiber precursor to yield the composite coaxial fiber. The second polymer composition can include the recycled glass fibers. The resulting composite coaxial fiber includes an inner and outer layer including polyacrylonitrile and a middle layer between the inner layer and the outer layer. The middle layer includes polyacrylonitrile and a multiplicity of the recycled glass fibers.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA

Yarn-reinforced nano aramid composite aerogel fiber as well as preparation method and application thereof

The invention discloses a yarn-reinforced nano aramid fiber composite aerogel fiber and a preparation method and application thereof, the method relates to the steps of spinning solution preparation, coagulating bath preparation, spinning, solvent exchange and freeze drying, and a nano aramid fiber spinning solution and yarn are used as an outer layer and an inner layer respectively; and entering a coagulating bath through a coaxial needle head for wet spinning, and carrying out solvent exchange and freeze drying to obtain the yarn-reinforced nano aramid composite aerogel fiber. The composite aerogel fiber provided by the invention has abundant micro-nano hole structures, stores a large amount of still air, and has excellent heat insulation and warm keeping properties. Meanwhile, the yarn on the inner layer serves as a framework of the aerogel fiber, excellent mechanical support is provided, and a reliable guarantee is provided for follow-up spinning and weaving processing. The strength of the composite aerogel fiber prepared by the method can be regulated and controlled by the inner-layer yarn, the method is simple and easy to operate, and the aerogel can be endowed with potential of different special functions by the yarns with different properties.
Owner:JIANGNAN UNIV

High-wear-resistance nano-particle composite polyester fiber spinning oil and preparation method thereof

The invention relates to a high-wear-resistance nano-particle composite polyester fiber spinning oil agent and a preparation method thereof. The oil agent contains 3-7wt% of an anti-wear agent composed of modified nano-hydroxyl magnesium silicate, polyoxypropylene stearate and polymethyl methacrylate; and 45-55 wt% of a smoothing agent composed of pentaerythritol oleate and trimethylolpropane fatty acid ester. The preparation method of the oiling agent comprises the following steps: firstly, weighing the components according to the weight; sequentially adding a smoothing agent, an emulsifying agent, a penetrating agent, a bundling agent, an antistatic agent, an anti-wear agent and an anti-coking agent; and finally, reacting for 1.5-3 hours at the temperature of 40-50 DEG C and at the stirring speed of 500-900 r / min to obtain the high-wear-resistance nano-particle composite polyester fiber spinning oil. The oiling agent has excellent wear resistance and smoothness, the manufacturing process is simple, and the oiling agent can well meet the spinning process of nano-particle composite polyester fibers.
Owner:ZHEJIANG SCI-TECH UNIV

Carbon fiber spinning solution and preparation method thereof

The invention relates to a carbon fiber spinning solution and a preparation method thereof, belongs to the field of fiber materials, and solves at least one of the problems in the prior art that the molecular weight is difficult to increase, the molecular weight distribution is relatively wide, the viscosity and molecular weight of different batches are unstable and the like. The preparation method of the carbon fiber spinning solution comprises the following steps: adding a material containing acrylonitrile, a comonomer and a solvent into a polymerization device; carrying out demonomerization treatment on the acrylonitrile-based polymer liquid meeting the target molecular weight; and carrying out ammoniation treatment on the acrylonitrile-based polymer liquid subjected to demonomerization treatment. The viscosity and molecular weight stability of different batches of polymerization liquids are improved, a high-molecular-weight polymerization stock solution can be obtained, and the molecular weight distribution width is reduced.
Owner:WEIHAI TUOZHAN FIBER

Production equipment and production process for polyester fibers special for sportswear

The invention provides production equipment and a production process for polyester fibers special for sportswear, and relates to the technical field of fiber spinning. The special polyester fiber production equipment for the sportswear comprises a feeding device, a spinning box body, a spinneret plate, a water cooling device, a circular blowing cooling device, an oiling device and a winding device. According to the invention, a spiral groove fiber structure is formed through rotary spinning, the moisture conduction efficiency is enhanced by utilizing the capillary effect of the spiral groove, and a traditional after-treatment moisture absorption and sweat releasing auxiliary agent is replaced, so that the problem of function attenuation caused by washing is fundamentally solved, and the problem of poor moisture absorption and heat conduction efficiency of a straight groove is solved; a heat insulation shell and water cooling structure collaborative design is adopted, a heat insulation rotating roller blocks spinning high-temperature conduction, a heat exchange coil pipe directly cools the operation environment of a servo motor, the stability of a driving system under the high-temperature working condition is guaranteed through double protection, and therefore it is guaranteed that a rotating pipe accurately controls the fiber groove forming quality.
Owner:TONGKUN GRP ZHEJIANG HENGCHAO CHEM FIBER CO LTD

Machine vision-based polyester staple fiber spinning on-line detection system and method

The invention discloses a polyester staple fiber spinning on-line detection system and method based on machine vision. The system comprises a pneumatic optical constraint assembly, an imaging assembly and a processing unit. The pneumatic optical constraint assembly is integrated with a Venturi flow channel and a back plate with an inclined stripe background; the imaging assembly obtains image data of the tows constrained by the venturi flow channel. The processing unit calculates a vertical gradient component and a gradient direction, and generates a first feature map marking a defect area by calculating a difference value between the gradient direction and a stripe background extension direction; and weighting the vertical gradient component by using the first feature map, executing projection integral operation in a direction vertical to the motion direction of the tow to offset the gradient component of the stripe background, and calculating and outputting tow width data according to a projection curve generated by integral. According to the method, transparent defect detection and tow width measurement are simultaneously realized in a single-frame image through cooperation of fluid dynamic constraint and an integral cancellation algorithm.
Owner:XIAN HUODE IMAGE TECH CO LTD

Liquid crystal polyester fibers and method for producing same

PendingUS20260132549A1Monocomponent polyetheresters artificial filamentFilament/thread formingPolyesterLiquid crystalline
Provided is a liquid crystalline polyester fiber capable of achieving improved weatherability without kneading a UV absorber into the fiber or attaching a weatherable UV absorber after fiber spinning. The liquid crystalline polyester is a fiber that consists essentially only of a liquid crystalline polyester, in which the amount of UV absorber used is 5 mass % or less, and the strength retention in the weather fastness test with xenon arc lamp light in accordance with JIS L 0891 is 60% or more.
Owner:KB SEIREN LTD

Cleaning towel cloth made of degradable material and preparation method of cleaning towel cloth

The invention belongs to the technical field of cleaning cloth, and particularly relates to cleaning towel cloth made of a degradable material and a preparation method of the cleaning towel cloth. Uniformly mixing cellulose pulp, an N-methylmorpholine-N-oxide aqueous solution, the modification liquid and a fixing agent to obtain a fiber spinning solution, and preparing modified lyocell fibers by utilizing the fiber spinning solution; the modified lyocell fibers and cotton fibers are spun through compact spinning to obtain blended yarns, and then the blended yarns are used for weaving to obtain the cleaning towel cloth made of the degradable material. The modified liquid is prepared from the following raw materials: quaternized carboxymethyl chitosan, modified nano silicon dioxide, polyvinyl alcohol and deionized water; the cleaning towel cloth provided by the invention not only has relatively good water absorption performance, but also has excellent wear resistance, breaking strength and antibacterial performance, and also keeps good biodegradability at the same time.
Owner:HENAN DONGZHIMEI HOME FURNISHING PRODUCTS CO LTD

Automatic spinning cooling equipment

The invention discloses automatic spinning cooling equipment, relates to the technical field of textile processing, and aims to solve the technical problems that existing spinning cooling equipment depends on manual carrying of a cooling device, the temperature control precision is poor, the cooling effect is unstable, and the operation efficiency is low. Automatic movement of the cooling device is achieved through lead screw transmission, manual carrying is replaced, the labor cost is reduced, and the operation efficiency is improved; precise temperature control is achieved by means of a temperature sensor and a cooling mechanism, and the multi-process requirements of melt spinning, solution spinning and the like are met; the spinning cooling uniformity is guaranteed through the design of the double flow guide pipes and the opposite side air blowing mechanism; the arc-shaped bent pipe solves the problem of spinning transition deformation, multi-device collaboration is improved, finally, the quality of spinning products is effectively improved, and the device is suitable for the chemical fiber spinning cooling process.
Owner:SUZHOU PRIMERIKE IND EQUIP MFG CO LTD

Low-melting-point polyester staple fiber spinning oil spraying device

The utility model relates to the technical field of polyester staple fiber spinning oil injection, and discloses a low-melting-point polyester staple fiber spinning oil injection device. The device comprises a base, an equipment box is fixedly installed at the top of the base, a feeding port is formed in the surface of the equipment box, an oil storage tank is fixedly installed at the top of the equipment box, a first motor is fixedly installed at the top of the oil storage tank, and two rotating columns are rotationally installed in the oil storage tank; a plurality of stirring fan blades are fixedly connected to the two rotating columns, the first motor is in transmission connection with the two rotating columns, and two oil sprayers are slidably mounted in the equipment box. When the device sprays oil to fibers, oil can be uniformly sprayed on the surfaces of the fibers, and the softness, antistatic property and the like of the fibers are improved, so that the quality of finished fibers is improved, the production efficiency is improved, the waste and loss of the oil can be reduced, and the production cost is saved.
Owner:HANGZHOU HUALI CHEM FIBER WEAVING CO LTD

Polyester fiber spinning device and processing method thereof

The invention belongs to the technical field of polyester fiber spinning, and discloses a polyester fiber spinning device and a processing method thereof.The polyester fiber spinning device comprises a shell, a metering pump fixed to the top of the shell and an air cooling heat dissipation part located at the bottom of the shell, a conveying assembly is fixedly connected to the interior of the shell in a sleeved mode, and the bottom of the conveying assembly fixedly communicates with a distribution assembly. Staggering is completed by means of left-right deflection of the upper-layer spinning assembly and the lower-layer spinning assembly, after moving and staggering are conducted through a first adaptation groove and a second adaptation groove in the spinning assemblies, the first adaptation groove is aligned and communicated with the lower hole, the second adaptation groove is aligned and communicated with the upper hole, and flushing water guided into the first adaptation groove and the second adaptation groove is utilized for flushing the upper hole and the lower hole. According to the spinneret assembly, flushing and cleaning from inside to outside are carried out towards the spray holes in the upper side and the lower side in an isolated mode along the interior of the spinneret assembly, on one hand, blocking objects in the spray holes are cut off when the deflected lower half spinneret plate rotates, on the other hand, a flushing mode from inside to outside exists, and the final flushing effect is improved.
Owner:ZHEJIANG BANGXIANG CHEM FIBER CO LTD

Preparation method of wool regenerated yarn

The invention discloses a method for preparing wool regenerated yarns, which comprises the following steps of: opening a pretreated waste wool textile to obtain regenerated wool fibers, mixing the regenerated wool fibers with functional fibers, blowing and carding, drawing, preparing into rough yarns, and performing ring spinning, low-torque spinning or compact spinning. The regenerated wool fibers with the content exceeding 30% are used, the application of the ring spinning technology and the low-torque spinning technology in regenerated fiber spinning is achieved, and the produced wool regenerated yarn is low in linear density, high in count, excellent in strength and elongation performance, small in hairiness amount, good in evenness and high in additional value. According to the method, the sustainable utilization value of the waste wool textiles is improved, beneficial reference is provided for high-added-value reutilization of the waste wool textiles, and meanwhile the requirement of the market for high-performance textiles is met.
Owner:GUANGDONG UNIV OF TECH

Antibacterial POY sea-island fiber spinning and twisting device and twisting method

The invention discloses an antibacterial POY sea-island fiber spinning twisting device and twisting method.The antibacterial POY sea-island fiber spinning twisting device comprises a wire feeding and winding mechanism, a twisting mechanism is installed in the middle of the upper end of the wire feeding and winding mechanism, air cylinders are installed on the two sides of the upper end of the wire feeding and winding mechanism, lifting rods are arranged on the air cylinders, and tensioning adjusting frames are installed on the outer walls of the lifting rods; a wire outlet mechanism is installed on the top of the lifting rod, and a control box is installed on the side of the wire inlet and winding mechanism. According to the antibacterial POY sea-island fiber spinning and twisting device and method, the yarn outlet and winding mechanism, the yarn body tensioning and adjusting mechanism, the twisting mechanism and the winding and winding mechanism are arranged, yarn arrangement operation can be conveniently and better conducted on multiple sets of yarn bodies, the disorder situation is not prone to occurring, the tensioning and adjusting function is achieved, and the spinning and twisting device is suitable for being used for spinning and twisting of antibacterial POY sea-island fibers. The twisting effect is improved due to the fact that the yarn body is not prone to loosening, twisting and winding are conducted through rotation, twisting operation can be continuously conducted, and the twisting machining efficiency is improved.
Owner:SUZHOU XINJI TEXTILE CO LTD

Composite simulated fur fiber spinning equipment

The utility model discloses composite simulated fur fiber spinning equipment, and relates to the field of polyester filament yarn production.According to the composite simulated fur fiber spinning equipment, a first raw material is metered into a first raw material and a second raw material with different deniers through two metering pumps in a feeding mechanism, the first raw material enters a first cavity through a pipeline and then is sprayed out through a first spinning part at the bottom of the first cavity, and the second raw material enters a second cavity through a pipeline; a second raw material enters a second cavity through the other pipeline and then is sprayed out through a second spinning part at the bottom of the second cavity, meanwhile, a second raw material is sprayed out through the other feeding mechanism, and due to the fact that the component sections of the first spinning part and the second spinning part are different, the denier sections of the sprayed first raw material and the second raw material are different. According to the utility model, two different denier cross sections can be sprayed in one material distributing assembly, so that the technical problem that the existing fiber manufacturing equipment cannot manufacture various different denier cross section fibers in the production process at the same time is solved, and the technical effect that the various different denier cross section fibers can be manufactured in the production process at the same time is achieved.
Owner:SUZHOU LONGJIE SPECIAL FIBER

Antistatic agent, synthetic method, fiber spinning oil composition and application

The invention belongs to the technical field of fiber processing treatment, and particularly relates to an antistatic agent, a synthesis method, a fiber spinning oil composition and application. The invention provides a novel alkyl phosphate antistatic agent. The novel alkyl phosphate antistatic agent contains two N-containing groups and a carbonyl group. Researches show that the antistatic agent has better antistatic effects, including reduction of broken filament number, volume specific resistance and static half-life period, compared with alkyl sodium sulfonate and other alkyl phosphate antistatic agents, and the required concentration is reduced, so that the consumption of phosphorus-containing substances is reduced, and the environmental pollution is reduced.
Owner:ZHEJIANG HAILIDE NEW MATERIAL +1

Polygonal spinning equipment

The invention discloses polygonal spinning equipment, and relates to the technical field of fiber textile, the polygonal spinning equipment comprises a plurality of spinning units, the adjacent spinning units are independently arranged, each spinning unit is provided with a liquid storage cavity and an inlet which is communicated with the liquid storage cavity and used for feeding a spinning solution, the liquid storage cavity extends outwards to form a spinning part communicated with the liquid storage cavity, and the spinning part is provided with a plurality of spinning holes. The curvature of the spinning part is larger than that of the liquid storage cavity, and the spinning part is provided with an outlet used for spraying out spinning jet flow. The polygonal spinning equipment adopts open spinning, and compared with needle type electrostatic spinning, the polygonal spinning equipment has a larger spinning jet injection liquid level and is less influenced by environment temperature, humidity and wind speed; the liquid storage cavities of the spinning units communicate with the power supply assemblies, so that independent power supply of the spinning solution in each liquid storage cavity can be achieved, the problems of uneven electric field intensity distribution and low electric field intensity caused by the fringe effect are reduced, and the quality and yield of electrostatic spinning are improved.
Owner:WUHAN TEXTILE UNIV

Production device for spinning three-component composite hollow fibers

The invention relates to the technical field of spinning production, in particular to a production device for spinning three-component composite hollow fibers, which comprises a converging device, an extruder is fixedly mounted on the outer wall of the converging device, a plurality of uniformly distributed extrusion holes are formed in the output end of the extruder, an air cooler is fixedly mounted on the outer wall of the converging device, and the air cooler is fixedly mounted on the outer wall of the converging device. The device has the beneficial effects that in the outward blowing process through the third sleeve, small-air-volume and large-range blowing cooling can be conducted on just-extruded melt spinning at the position close to the extruder, and in the cooling process, the outward blowing angle and air volume of the third sleeve can be adjusted; by changing the included angle between the opening in the end of the third sleeve and the air outlet cover plate, cold air can be blown to the annularly arranged outer ring melt spinning through the gap of the inner ring melt spinning, the cold air at different flow speeds can reach different cooling distances, and the acting force of blowing the inner ring melt spinning and the outer ring melt spinning by the air is uniform.
Owner:CHANGZHOU FANGXING PRECISION MACHINERY +1

Chemical fiber spinning oiling device

The utility model discloses a chemical fiber spinning oiling device in the field of chemical fibers, which comprises a box body, an inlet and an outlet are respectively arranged on the front side and the rear side of the box body, a lower sliding plate is obliquely arranged in the box body, the height of the lower sliding plate is gradually reduced from front to back, and a soaking area is arranged behind the lower sliding plate in the box body. A plurality of conveying rollers which are sequentially arranged from front to back are correspondingly arranged above the lower sliding plate in the box body, a first guide roller, a pressing roller and a second guide roller are arranged above the soaking area in the box body, the second guide roller is arranged corresponding to the outlet, and the left side and the right side of the inner wall of the box body are each provided with a row of oil supply nozzles corresponding to the conveying rollers. The chemical fiber spinning oiling device can evenly oil chemical fiber spinning, reduces the use amount of oiling agents, saves energy, is environmentally friendly, and facilitates oil replacement.
Owner:FUWEIER (ZHUHAI) COMPOSITE MATERIAL CO LTD

Method and apparatus for universal preparation of oriented nanofiber membranes

The application provides a method and device for preparing oriented nanofiber membranes, which comprises the following steps: freezing polymer nanofibers with liquid nitrogen; sticking a substrate for preparing nanofiber membranes on the inner wall of a closed container of a device for preparing oriented nanofiber membranes; placing the frozen polymer nanofibers in the closed container and rotating at high speed; and finally taking off the substrate on the inner wall of the closed container, and the surface of the substrate is uniformly compounded with oriented polymer nanofibers, thus obtaining the oriented nanofiber membranes. The device for preparing oriented nanofiber membranes has a rotating component rotating at high speed, and under the action of high-speed shearing force, the device can realize the directional selection of nanofibers and apply centrifugal force to the fibers, so that the fibers are oriented and compounded with the substrate. The application can be applied to different polymer nanofiber materials, realizes the separation of fiber spinning and orientation process, overcomes the dependence of traditional methods for preparing oriented fiber membranes on electrospinning technology, realizes dry film forming technology, and has great application prospect.
Owner:WUHAN WEICHEN TECH CO LTD +1

Punching device for fiber spinning spinneret plate

The utility model discloses a fiber spinning spinneret plate punching device which comprises a machining table, a movable frame is installed at the upper end of the machining table, a first movable sliding seat is installed on the movable frame in a sliding mode, and a first linear module used for driving the first movable sliding seat to move is further installed on the movable frame. A second movable sliding seat is slidably mounted at the lower end of the first movable sliding seat, and a second linear module used for driving the second movable sliding seat to move is mounted at the lower end of the first movable sliding seat; the fixing mechanism is installed on the machining table and used for fixing the spinneret plate; the punching mechanism is installed at the lower end of the second movable sliding seat and used for punching the spinneret plate; the cooling mechanism is installed at the lower end of the punching mechanism and used for cooling a punching drill bit of the punching mechanism. The spinneret plate punching device is simple in structure, the punching head can be effectively cooled, the service life of the punching head can be prolonged, meanwhile, a spinneret plate can be conveniently fixed, and the use requirement can be better met.
Owner:CHANGZHOU MOJIA PRECISION MASCH CO LTD

High-elasticity semi-dull POY (polyester pre-oriented yarn) polyester fiber spinning equipment and process

The high-elasticity semi-dull POY polyester fiber spinning equipment comprises a crane, an equipment body, a power piece, a silk yarn, a limiting piece, a winding rod, a worm, a worm wheel, a rotating plate, a moving block, an abutting plate, a switching plate, a threaded rod and a movable plate, the power piece is started to drive the winding rod to rotate, and under the action of the limiting piece, the winding rod is driven to rotate by the rotating plate. The worm, the worm gear and the movable plate are driven to reciprocate, so that the silk yarn is uniformly wound on the winding rod, the worm and the worm gear rotate on the movable block, the threaded rod synchronously doing reciprocating motion rotates at small angles at intervals, the movable plate moves away from the winding rod at intervals, and the situation that the winding thickness of the silk yarn on the winding rod is gradually increased is avoided. The wound silk yarn is in contact with the movable plate; and the pressing plate reciprocates to press the silk thread, so that on one hand, the reciprocating motion of the movable plate is ensured, the silk thread is uniformly wound, and on the other hand, the winding angle of the silk thread on the winding rod is further ensured.
Owner:TONGKUN GRP ZHEJIANG HENGCHAO CHEM FIBER CO LTD

Hemp fiber spinning pretreatment device

The utility model provides a fibrilia spinning pretreatment device, which relates to the technical field of fibrilia processing and comprises an operation shell, and a plurality of support sleeves are mounted in the operation shell. According to the fibrilia spinning pretreatment device, a first transmission plate is driven to rotate through a motor and an output rod, and a first connecting plate and a second connecting plate can move at the same time through cooperation of the first transmission plate, the second transmission plate and a connecting rod; a first supporting rod and a second supporting rod drive fibrilia outside a movable sleeve shell to move upwards or downwards at the same time, so that the fibrilia can make full contact with an atomized solution when moving in the operation shell, and through cooperation of an eccentric wheel, a lantern ring and a movable frame, a movable plate can rotate in a reciprocating mode with a fixed block as the center; and the movable sleeve shell is driven to slide on the outer surface of the sleeve rod through the movable groove and the connecting frame, so that the spray head conveniently performs reciprocating motion to spray the fibrilia, and the contact area of the fibrilia and the atomized solution is increased.
Owner:SHISHI WANSILU CHEM FIBER PROD CO LTD