243 results about "Fiber drawing" patented technology

The invention discloses a special optical fiber drawing tower. The optical fiber drawing tower comprises a preform suspension system, a special drawing furnace, an integrated control system, a wire diameter control system, an optical fiber coating system and a wire collecting system, the optical fiber preform is fixed in the preform suspension system, and the movement of the optical fiber preform is controlled by the preform suspension system; feeding the optical fiber preform into a special fiber drawing furnace, and heating the special fiber drawing furnace to soften the optical fiber preform to reach a fiber drawing state; performing wire drawing on the optical fiber preform softened by the special wire drawing furnace through a wire diameter control system, and controlling the wire diameter to obtain the optical fiber with the required specification; and finally, the optical fiber coating system and the fiber winding system are used for coating, winding and storing the optical fiber. Precise drawing of multi-material composite optical fibers and special-structure composite optical fibers can be met, and the problem that an existing optical fiber drawing tower is difficult to meet different drawing requirements of various optical fibers is effectively solved.

The utility model belongs to the technical field of glass fiber wire drawing machines, and particularly relates to a rear-end disc type wire drawing machine head capable of automatically adjusting and avoiding a wire drawing resonance area on line. The device comprises a machine head main shaft, a bearing seat, a cylinder body, a piston, a front seat, a rear seat, a barrel replacing body and a vibration reduction component, when the machine head operates, the bearing seat, the cylinder body, the piston, the front seat, the rear seat, the barrel replacing body and the vibration reduction component form an online rigid adjusting mechanism for the soft support of the machine head. The vibration of the machine head can be detected in real time through the vibration sensor and fed back to the PLC for control, the gas flow and / or the gas pressure are / is adjusted through the proportional valve PID, online real-time data collection and exchange are achieved, dynamic closed-loop control over the machine head rigidity adjusting mechanism on the bearing seat is achieved, and the vibration of the machine head is controlled within an acceptable range all the time.

The invention belongs to the field of inorganic non-metallic materials, and particularly relates to a method for improving the strength and modulus of continuous basalt fibers through multi-element mixing of raw materials. Different basalt raw materials for fibers are mixed, the mass percent content of raw material minerals and main oxides, namely the mass percent content of network forming bodies, network intermediates and network changing body oxides, is properly adjusted, and on the premise that the advantages of'nature 'and'environmental protection' of the continuous basalt fibers are not changed, the continuous basalt fibers are obtained. By adding a proper amount of enhanced modulus-increasing oxide which is high in bond strength and free of environmental harm, the integrity of a network structure of the glass is enhanced, a trace amount of atmosphere (oxidation or reduction) regulator is introduced, and the ratio of FeO / (Fe2O3 + FeO) in a mixed material is accurately controlled, so that the homogeneity and the thermal conductivity of molten glass in the fiber drawing production process are greatly improved, and the production efficiency is improved. Therefore, the diathermancy and homogeneity of the molten liquid are more accurately controlled, and the strength and modulus of the continuous basalt fiber precursor are improved on the premise of ensuring continuous and stable industrial production.

The utility model belongs to the technical field of glass fiber wire drawing machines, and particularly relates to a wire drawing machine head with an inward taper, which can automatically adjust and avoid a wire drawing resonance area on line. The device comprises a machine head main shaft, a bearing seat, a front seat, a rear seat, a front taper sleeve, a rear taper sleeve and a vibration reduction component, the front taper sleeve and the rear taper sleeve are both arranged on the bearing seat, and the conical surfaces are matched with the front conical part and the rear conical part respectively; the front seat is arranged on the bearing seat, and a front sealing cavity is formed between the front seat and the front taper sleeve; the rear seat is arranged on the bearing seat, and a rear sealing cavity is formed between the rear seat and the rear taper sleeve; the front and rear sealing cavities are respectively provided with front and rear inflation ports. PLC control can be fed back through machine head vibration real-time detection, proportional valve PID adjustment is adopted, online real-time data collection and exchange are achieved, a soft supporting vibration reduction device on a bearing seat is controlled, and vibration is controlled within an acceptable range.

The invention belongs to the technical field of optical fiber manufacturing, and discloses a self-marking type anti-resonance hollow-core optical fiber and a preparation method thereof. The self-marking type anti-resonance hollow-core optical fiber comprises a cladding sleeve, a cladding anti-resonance group and a self-marking unit, the cladding anti-resonance group is fixed on the inner wall of the cladding sleeve; the self-marking unit is positioned in the cladding sleeve, so that at least one cladding anti-resonance group is distinguished from other cladding anti-resonance groups; and a central region defined by the cladding anti-resonance group is a fiber core. According to the self-marking type anti-resonance hollow-core optical fiber, the cladding anti-resonance group in the anti-resonance hollow-core optical fiber can be quickly identified in the wire drawing process, the size of the cladding anti-resonance group can be conveniently regulated and controlled on line, and the transmission performance of the anti-resonance hollow-core optical fiber is not influenced.

The utility model belongs to the technical field of glass fiber drawing machines, and particularly relates to a drawing machine head with an outward taper, which can automatically adjust and avoid a drawing resonance area on line. The device comprises a machine head main shaft, a bearing seat, a front taper sleeve, a rear taper sleeve, a barrel replacing body, a sealing cavity and an inflation inlet, the taper of the front taper sleeve and the taper of the rear taper sleeve face outwards, and the conical surfaces of the front taper sleeve and the rear taper sleeve are opposite. When the machine head of the wire drawing machine operates, real-time detection and feedback of PLC control can be realized through the machine head vibration sensor, and PID adjustment of the proportional valve is adopted, so that online real-time data acquisition and exchange are realized, a soft support vibration reduction device on a bearing seat is controlled, vibration of the machine head is automatically controlled within a suitable range, and online closed-loop real-time adjustment of rigidity of the machine head is realized.

The invention discloses a basalt fiber wiredrawing control method, system, equipment and medium, and relates to the technical field of control systems.The basalt fiber wiredrawing control method comprises the steps that a preset time period is set, a current moment and a historical moment are obtained, a historical wiredrawing diameter data sequence is obtained, and a stability index is obtained; if the stability index exceeds a preset threshold value, a historical melt viscosity data sequence is obtained, the viscosity change direction is obtained, and the wire drawing diameter change direction is obtained; if the diameter change direction is decreased, the minimum viscosity value is obtained, a first pretreatment reference viscosity value is formed, the viscosity value of the to-be-monitored melt is obtained, and if the viscosity value of the to-be-monitored melt is smaller than the first pretreatment reference viscosity value, the temperature of the bushing plate is decreased; if the diameter change direction is increased, the maximum viscosity value is obtained, a second pretreatment reference viscosity value is formed, the viscosity value of the to-be-monitored melt is obtained, and if the viscosity value of the to-be-monitored melt is larger than the second pretreatment reference viscosity value, the temperature of the bushing plate is increased. The device has the advantages that the wire drawing quality is improved, the energy efficiency is optimized, and the control is accurate.

The invention discloses a basalt fiber wiredrawing adjusting method, system, equipment and medium, and relates to the technical field of basalt fiber wiredrawing control, and the basalt fiber wiredrawing adjusting method comprises the following steps: obtaining melt viscosity in a pouring furnace; judging whether the melt viscosity is within the range of a preset viscosity threshold value or not, if yes, returning to obtain the melt viscosity in the pouring furnace, and if not, continuously obtaining a plurality of wire drawing state images of the basalt fiber in unit time; according to the multiple wire drawing state images, whether wire drawing abnormal characteristics exist or not is recognized, if not, the operation is returned to the step of obtaining the melt viscosity in the pouring furnace, and if yes, a first temperature adjusting parameter is obtained; wherein the first temperature adjusting parameter is used for adjusting the melt temperature in the pouring furnace; the first temperature adjusting parameter is input into the viscosity-temperature initial curve of the wire drawing process so as to update and obtain the viscosity-temperature target curve, and the method has the advantages that self-adaptive adjustment can be achieved, and the adjusting efficiency is improved.

The utility model relates to the technical field of optical fiber drawing equipment, in particular to an optical fiber winding and winding device, which comprises a winding component, a winding displacement wheel and a buffer component, the buffer component comprises a group of fixed wheels and a group of movable wheels which are alternately arranged at intervals, the movable wheels are arranged to be capable of sliding up and down, and the winding displacement wheel is arranged on the winding component. An optical fiber is wound through the fixed wheel and the movable wheel in sequence; when the winding disc is replaced, along with continuous drawing production of the optical fiber, the moving wheel gradually slides towards the position below the fixed wheel, so that the optical fiber penetrates through the fixed wheel and the moving wheel in an S-shaped path, an optical fiber temporary storage area is formed, the optical fiber produced within the time period of replacing the winding disc is stored in the optical fiber temporary storage area, and after the winding disc is replaced, the optical fiber is rewound. And the winding part is controlled to wind all the optical fibers in the optical fiber temporary storage area until the optical fibers pass through the fixed wheel and the movable wheel in a linear path, so that waste fibers can be effectively avoided.

The utility model relates to the technical field of glass fiber production, and discloses a crushed material recycling mechanism of a glass fiber drawing machine, which comprises a box body, and the top of the box body is communicated with a feed hopper; the motor rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the second bevel gear to rotate, the second bevel gear rotates to enable the first bevel gear to drive the crushing roller to rotate, and the crushing roller rotates to crush crushed materials, so that the crushing purpose can be achieved, and the space occupancy rate of the crushed materials is reduced; the recycling capacity of the recycling box is improved, the workload is reduced, a handle is rotated to enable a rotating shaft to drive a rotating disc to rotate, the rotating disc rotates to drive a transmission rod to enable a connecting rod to drive a sliding rod to move, the sliding rod moves to drive a clamping rod to move, the clamping rod is disengaged from the inner wall of the box body, and then the recycling box is pulled out for cleaning. The purpose of conveniently cleaning scraps can be achieved, the workload is reduced, and the cleaning efficiency is improved.

The invention provides a fiber drawing temperature control system for low-dielectric glass fibers, relates to the technical field of fiber drawing temperature control, and aims at monitoring the temperature of each area of a fiber bushing in the preparation process of the low-dielectric glass fibers in real time. Generating a temperature change curve of each area in the fiber bushing through the monitored temperature data, extracting temperature variation characteristics of each area in the corresponding temperature change curve, and constructing a temperature variation trend chart of the fiber bushing based on the temperature variation characteristics of each area; obtaining a theoretical temperature distribution diagram of fiber drawing in the preparation process of the low-dielectric glass fiber, and determining a regional temperature regulation and control sequence of the fiber bushing according to the temperature variation trend diagram and the theoretical temperature distribution diagram; according to the application, the wire drawing temperature of the fiber bushing can be accurately regulated and controlled in the fiber wire drawing process, so that the production quality of the low-dielectric glass fiber is improved.

The utility model belongs to the technical field of wire drawing machines, and discloses a special wire arrangement forming glass fiber wire drawing machine which comprises a rack, a base plate, a wire blocking mechanism, an automatic yarn traction positioning mechanism, a turnover mechanism, a main shaft mechanism, an impeller mechanism, a wire arrangement mechanism, a forced bundle splitting mechanism and a TSS mechanism are arranged on the rack, and the wire arrangement mechanism comprises a lifting assembly arranged in the rack; a transverse moving assembly is arranged on the transverse moving assembly; an opening is formed in the base plate; the front end of the mounting pipe penetrates through the opening; a rotating shaft is rotationally arranged in the mounting pipe, a driving assembly is arranged on the mounting pipe, and a wire arranging shaft is arranged at the front end of the rotating shaft; and a plurality of groups of wire arranging steel wires which are overlapped end to end are arranged on the wire arranging shaft. Glass fiber filaments about to be wound around the impeller mechanism are guided through the wire arranging steel wires in groups, so that the two edges between the two wound spinning cakes are partially overlapped, and the weight of the spinning cakes is increased.

The invention discloses a polyester fiber drawing and winding device and method. The polyester fiber drawing and winding device comprises a winding table. The guide cutting mechanism is arranged on the winding table, located on the polyester fiber input side, and used for conducting guide conveying and cutting on the polyester fibers obtained after drawing forming; the winding roller feeding and discharging mechanism is arranged on the winding table and used for inputting or outputting the winding roller; the supporting mechanism is arranged on the winding table, located on the inner side of the winding roller feeding and discharging mechanism and used for vertically conveying and supporting the winding roller; and the swing mechanism is arranged on the winding table, located on the output side of the winding roller and used for conveying the winding roller wound with the polyester fibers out of the winding table. According to the winding roller feeding and discharging device, automatic feeding and discharging of the winding roller can be achieved, the wound winding roller can be automatically placed on a material collecting trolley, the safety during machining is greatly improved, and the labor intensity of manual operation is reduced.

The utility model discloses a glass fiber wiredrawing coiling device which comprises a rotating disc installed on the front side of a glass fiber wiredrawing machine body, the rotating disc is rotationally connected to the front side of the glass fiber wiredrawing machine body, two yarn coiling column base plates are rotationally connected to the front side of the rotating disc, and a center column is welded to the front side of each yarn coiling column base plate. An air cylinder is fixedly installed on the front side of the center column, the output end of the air cylinder is fixedly connected with an installation block, and eight winding drum clamping plates are slidably connected to the front side of the yarn winding column base plate. The mounting block is driven by the air cylinder to slide back and forth, so that the winding drum clamping plate is driven to slide on the front side of the yarn winding column base plate, winding drums with different diameters are clamped, the winding efficiency of glass fiber filaments is improved, meanwhile, due to the arrangement of the recycling drawer, the falling glass fiber filaments can be recycled, and waste is avoided.

The utility model discloses multi-head adjustable glass fiber drawing equipment, which relates to the technical field of glass fiber drawing and comprises a base, a heating barrel is mounted on one side of the top end of the base, a discharging box is mounted at one end of the heating barrel through a pipeline, and a plurality of nozzles are mounted at one end of the discharging box. A plurality of driving motors are installed on the other side of the top end of the base, discs are installed at the top ends of the driving motors through rotating shafts, vertical rods are installed in the centers of the top ends of the discs, and the outer walls of the vertical rods are sleeved with winding rollers. By changing the angle of the yarn guiding device, fiber yarn sprayed out of the nozzle can be guided and adjusted, the fiber yarn can be wound separately or together conveniently, meanwhile, the yarn guiding wheel can guide the fiber yarn, direct contact between the fiber yarn and the yarn guiding device is avoided, sliding friction is changed into rolling friction, loss of the fiber yarn is reduced, and the service life of the fiber yarn is prolonged. And breakage is avoided.

The utility model provides an optical fiber drawing UV lamp automatic fiber threading device, which belongs to the technical field of fiber drawing process control, and comprises two UV lamps and an optical fiber, the two UV lamps are arranged on the same bracket, a quartz tube is arranged in the side irradiation direction of the UV lamps, the two ends of the quartz tube are respectively provided with an air inlet device and an air extractor, and the air inlet device and the air extractor are arranged on the bracket. The air extractor is connected with a vacuum conveying assembly, and the vacuum conveying assembly provides power for the optical fiber to penetrate through the quartz tube. According to the utility model, the problems that the traditional fiber threading method excessively depends on manual operation, an operator needs to prepare a fiber threading rod, in addition, an optical fiber needs to be wound on the fiber threading rod, and the future automatic production is not facilitated are solved.

The invention provides a glass fiber wiredrawing device, and belongs to the technical field of glass fiber related production equipment, wiredrawing shafts are rotatably arranged on a wiredrawing table, winding rollers sleeve the corresponding wiredrawing shafts, glass fibers are wound on the winding rollers, locking mechanisms are arranged between the corresponding winding rollers and the wiredrawing shafts, and drying mechanisms are arranged on the wiredrawing table. A drying cavity is formed in the winding roller, the winding roller communicates with the drying cavity, drying holes are formed in the outer wall of the winding roller, the output end of the drying mechanism communicates with the drying cavity, and the drying mechanism is used for blowing hot air into the drying cavity and discharging the hot air from the drying holes. By arranging the multiple wire drawing shafts and the multiple winding rollers, when one winding roller completes winding, only glass fibers need to be wound to the other winding roller, production cannot be stopped, the production efficiency can be greatly improved, the drying mechanism is arranged, the winding rollers spray hot air to dry the glass fibers, and the production efficiency is improved. And the production efficiency of the glass fiber is further improved.

The invention relates to the technical field of glass fiber drawing, and discloses glass fiber drawing equipment which comprises a base, a supporting frame is mounted on the upper surface of the base, a drawing furnace is mounted in the supporting frame, a filter seat is mounted at the upper end of the left side surface of the drawing furnace, and a first filter plate is mounted in the filter seat; a replacement mechanism is arranged on the upper surface of the filter seat; raw material peculiar smell in the fiber drawing furnace is extracted through the fan and then filtered through the first filter plate, the situation that the raw material peculiar smell directly drifts out to affect the surrounding environment and the body health of workers is avoided, the limiting motor drives the limiting plate to rotate by a certain angle, and the first filter plate falls down from the filter seat; a second motor in the replacement mechanism drives a second synchronous belt to rotate, so that a push plate moves leftwards to push second filter plates, and the second filter plate on the leftmost side is pushed into a filter seat to replace the first filter plate for filtering.

The utility model relates to the field of steel fiber production and processing equipment, in particular to an adjustable steel fiber drawing machine. The utility model provides an adjustable steel fiber drawing machine which can automatically and quickly polish and grind steel fibers after wire drawing. An adjustable steel fiber drawing machine comprises a base, a feeding part, motors, conveying wheels, grinding wheels, a directional frame and the like, the feeding part is connected to the upper side of the left portion of the base, the motors are connected to the rear upper sides of the left portion and the right portion of the base, output shafts of the motors are connected with the conveying wheels, the rear portion of the base is connected with the multiple grinding wheels, and the directional frame is connected with the feeding part. The front side of the upper portion of the base is connected with the orientation frame. According to the steel fiber polishing device, the transmission wheel is matched with the belt, the polishing shaft is controlled to rotate, the polishing shaft rotates to drive the polishing wheel to rotate, and steel fibers obtained after wire drawing can be automatically and rapidly polished and ground.

This invention discloses a method for preparing high rare-earth-doped low-loss boron-containing glass optical fibers. The steps are as follows: weigh glass raw materials containing rare-earth oxides and boron oxide, mix them uniformly, and place them in a high-temperature furnace. First, heat the mixture under a high-purity nitrogen atmosphere, then switch to a high-purity oxygen atmosphere or a high-purity air atmosphere for continued heating. The resulting glass melt is cooled and annealed to obtain a large glass block. The glass is then processed into a preform and placed in an optical fiber drawing furnace for fiber drawing under a high-purity oxygen atmosphere, thus achieving the preparation of high rare-earth-doped low-loss glass optical fibers. This invention eliminates the additional glass matrix absorption in the near-infrared region caused by boron in boron-containing glass optical fibers and also transforms the transition metal impurity ions from a low valence state with broad absorption in the near-infrared region to a high valence state with narrow low absorption in the near-infrared region. Both of these aspects significantly reduce the matrix absorption of boron-containing glass optical fibers, providing possibilities for the application of high rare-earth-doped low-loss glass optical fibers.

The invention provides a method for controlling an impregnating compound on the outer layer of a spinning cake in a glass fiber drawing process, which comprises the following steps of: drawing glass fibers, and forming an impregnating compound on the surface of the glass fibers at a constant first linear speed in the first stage of drawing, reducing the first linear speed to a second linear speed in a second stage of wire drawing to form an impregnating compound on the surface of the glass fiber, and then forming the impregnating compound on the surface of the glass fiber at a constant second linear speed in a third stage of wire drawing until a cylinder is full; in the second stage of wire drawing, the number N of times of reduction of the linear speed from the first linear speed to the second linear speed is larger than or equal to 1. According to the control method provided by the invention, wiredrawing oil coating is directly reduced by adopting a mode of abruptly reducing the linear speed of the impregnating compound, so that the coating efficiency of the impregnating compound is improved, the outward retreating amount of yarns with the oil content exceeding the standard is reduced, minimum or zero outward retreating can be realized on an impregnating compound layer, and the quality of glass fibers can be effectively improved.

Lignin pellets comprising fused lignin are described herein. The lignin pellets may further comprise a processing aid, and / or a surfactant, and / or a chemical modifying agent, and / or a compatibilizer and / or a thermoplastic polymer. An extrusion process for producing the lignin pellets and their use in the manufacture of lignin thermoplastic blend products, polyols, polyphenols, polyaromatics and polyurethanes is also disclosed herein. The extruded lignin pellet may be dry-blended with additional thermoplastic and / or additive and then directly processed using processes such as injection molding, compression molding, extrusion, extrusion coating, blowing, thermoforming, stamping, foaming, fiber drawing, calendering or rolling.

The invention relates to an optical fiber drawing method integrated with a coloring function and a production system, and relates to the technical field of optical fiber manufacturing, and the method comprises the following steps: melting and drawing an optical fiber preform to form a bare fiber; the bare fiber is cooled; coating the cooled bare fiber twice to form an inner coating and an outer coating; performing primary UV curing on the inner coating and the outer coating to enable the outer coating to reach a semi-cured state; coating coloring ink on the surface of the outer coating in a semi-cured state; performing secondary UV curing on the coloring ink, so that the coloring ink is cured, and the inner coating and the outer coating are finally cured; and the cured optical fiber is detected and taken up. The coloring procedure is integrated into the wire drawing process, integrated continuous production is achieved, and optical fiber microbend loss caused by multiple times of winding and unwinding is avoided; by means of molecular activity in a semi-cured state, coloring ink permeates to form an interpenetrating network structure, and adhesive force is improved.

The application relates to a fiber panel for cultural and creative products and a preparation method and application thereof. The fiber panel comprises a plurality of optical fibers arranged in an array, the optical fiber comprises a core and a cladding layer; the core has a refractive index of 1.66-1.68; the cladding layer is coated outside the core; the cladding layer has a refractive index of 1.50-1.52, and the expansion coefficient of the cladding layer is 2-5*10 ‑7 (1 / DEG C) lower than that of the core; the method comprises the following steps: taking a glass rod with a refractive index of 1.66-1.68 as core material, nesting a glass tube with an expansion coefficient of 2-5*10 ‑7 (1 / DEG C) lower than that of the core material and matching the diameter of the core material rod as sheath material, hot melting to obtain a preform rod; performing fiber drawing and arrangement on the preform rod to obtain a multifilament rod; and performing bundling, plate drawing, mechanical processing and optical processing on the multifilament rod to obtain the fiber panel. The technical problem to be solved is to make the fiber panel free of dark spot defects with a diameter of 150 microns or above, free of chicken wire defects with a length of more than 2 mm, shear distortion less than or equal to 100 microns, snake distortion less than or equal to 100 microns, and image displacement less than or equal to 280 microns.

The utility model discloses an optical fiber drawing coating die through hole tool, which comprises a die through hole guider through hole needle and a die, the top of the small end of the die through hole guider is provided with a through hole needle precise through hole, and the through hole needle is in precise sliding fit with the through hole needle precise through hole of the die through hole guider. The die is installed through an inner hole at the large end of the die through hole guider, is in precise sliding fit with the inner hole and is provided with a positioning structure, so that accurate and stable installation is ensured, a through hole needle is inserted through a through hole needle precise through hole at the top of the small end of the die through hole guider, is in precise sliding fit with the guider and is assisted by a needle hole guide sleeve, and die orifice optical fibers can be automatically and accurately aligned; the alignment accuracy and the knocking fixity are improved, the production efficiency is improved, meanwhile, the accurate positioning structure prevents the die orifice from being damaged due to alignment deviation and knocking deviation, the elastic buffer structure prevents the through hole from damaging the die, the die damage risk is greatly reduced, the die loss is reduced, the production cost is saved, and considerable economic benefits are created for optical fiber production enterprises.

The application discloses a kind of carbon nanotube fiber drawing enhancement method and system.The drawing enhancement method includes: providing carbon nanotube fiber, carbon nanotube fiber is twisted state;Carbon nanotube fiber is cabled and is treated, and fiber bundle is obtained;Protonation drawing and coagulation bath treatment are carried out to fiber bundle, and precursor fiber is obtained;Protonation reagent and / or coagulation bath reagent in precursor fiber are removed, and carbon nanotube reinforced fiber is obtained.The drawing enhancement method provided by the application is twisted and is cabled and is treated, after the internal each expansion fiber edge shape of fiber bundle is expanded by strong acid protonation, adaptive effect is generated;During drawing process, make stress more evenly be applied on each fiber, improve the stability in the process of fiber drawing, to realize higher drawing rate and drawing rate, finally significantly improve the mechanical strength and consistency of reinforced fiber, and bring very excellent continuity, very beneficial to the application of carbon nanotube fiber.

The utility model relates to the technical field of textile instruments, in particular to a drafting device of a wool type fiber drawing frame, which is characterized in that when wool type fibers pass through a leather roller, a drafting roller and a pull-out roller of a drawing frame body to be drafted and pulled out, an electrostatic elimination component is started to increase the air humidity in the drawing frame body, and the conductive characteristic of water molecules is utilized to eliminate the static electricity in the drawing frame body. Water molecules in the air are combined with static charges on the surfaces of the wool-type fibers, so that static electricity is neutralized, the influence of the static electricity is reduced, and the influence of the static electricity on wool-type fiber processing is reduced; comprising a drawing frame body, a leather roller, a drafting roller and a pull-out roller, the leather roller, the drafting roller and the pull-out roller which are used for wool type fiber drawing and drafting are sequentially installed on the inner wall of the drawing frame body, the drawing frame further comprises a static electricity eliminating assembly, and the static electricity eliminating assembly is installed on the drawing frame body.

Technologies for fibers with nanotechnology is disclosed. In the illustrative embodiment, a preform is 3D printed with one or more sacrificial cores and one or more hollow channels. The preform is drawn into a fiber, and one or more metal core(s) is inserted into the hollow channel during the fiber draw. The fiber is then heated, breaking up the sacrificial cores into balls through capillary action. The fiber can be etched, exposing the balls made up of the sacrificial cores. The balls can be selectively etched, exposing the metal core(s) of the fiber. Additional embodiments are disclosed.

The utility model discloses a drawing device for hollow polyester staple fiber research and development, which comprises a fixed base, the top of the fixed base is respectively provided with a first winding device, a second winding device and a third winding device from one end to the other end, and two first guide frames are arranged between the first winding device and the second winding device. A heater is arranged between the two first guide frames, a heating bin is arranged at the top of the heater, a heating electric wire is arranged in the heating bin, two second guide frames are arranged between the second winding device and the third winding device, and a cooler is arranged between the two second guide frames. According to the device, heating work is conveniently carried out when hollow polyester staple fibers are drawn, so that the drawing efficiency is improved, the problem of low drawing speed is solved, rapid cooling is conveniently carried out after drawing, subsequent secondary processing is solved, and the processing convenience is improved.

The utility model belongs to the technical field of wire drawing machines, and discloses a rotary telescopic yarn shifting mechanism for a glass fiber wire drawing machine, which comprises a supporting arm arranged on the wire drawing machine, a supporting plate is arranged at one end of the supporting arm far away from the wire drawing machine, a plurality of sliding frames are horizontally arranged on the supporting plate at intervals, and each sliding frame comprises a sliding plate; rotating shafts penetrating through the surface of the mounting plate are rotationally arranged at the upper end and the lower end of the mounting plate, pulleys are arranged at the ends, away from the supporting plate, of the rotating shafts, belt wheels are arranged at the ends, close to the supporting plate, of the rotating shafts, and the two belt wheels are connected through a synchronous belt; a worm wheel is arranged at the end, close to the supporting plate, of the rotating shaft at the upper end of the mounting plate, and a first driving assembly for driving the worm wheel to rotate is arranged on the supporting plate. During wire drawing, the pulley actively rotates, so that the tension of yarns in the wire drawing process is reduced, the abrasion of the pulley is relieved, the service life of the pulley is prolonged, and the production cost and the labor intensity of workers are reduced.