CN103981601A - Method of improving yarn surface structure in positive holding rotation mode - Google Patents
Method of improving yarn surface structure in positive holding rotation mode Download PDFInfo
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- CN103981601A CN103981601A CN201410204503.0A CN201410204503A CN103981601A CN 103981601 A CN103981601 A CN 103981601A CN 201410204503 A CN201410204503 A CN 201410204503A CN 103981601 A CN103981601 A CN 103981601A
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Abstract
The invention relates to a method of improving a yarn surface structure in a positive holding rotation mode and belongs to the technical field of textile processing. According to the method, a front central positioning yarn guide hook, a holding rotation type yarn hairiness reducing device and a rear central positioning yarn guide hook are arranged on the operation path of each yarn in sequence, wherein each yarn enters the holding rotation type yarn hairiness reducing device through the front central positioning yarn guide hook; the trunk of the yarn enters the center of a yarn channel and keeps a tensioning straightening state, the surface hairiness of the yarn is subjected to a negative pressure air draft effect, the hairiness is absorbed on the outer surface of a conical housing and synchronously rotates along with the conical housing, and meanwhile, at the inlet of the yarn channel, the hairiness continues tightly winding the operating yarn trunk, and the smooth densifying treatment is realized on the yarn surface structure. The method is wide in applicable range and can be used for processing various yarns; the holding rotation type yarn hairiness reducing device is reasonable in structure and convenient to operate.
Description
Technical field
The present invention relates to a kind of rotary method of improving yarn surface structure of positive gripping, belong to technical field of textile processing.
Technical background
Filoplume is one of important indicator of weighing yarn qualities.Yarn filoplume not only affects the production efficiency of the rear operation such as woven, knitting, and affects the presentation quality of final products, today that particularly high speed shuttleless loom is generally applied, reduces Yarn filoplume tool and is of great significance.
Yarn filoplume results from spun yarn manufacturing procedure, and its mechanism is after the fiber head end of inside and outside transfer exposes yarn body, departs from the gripping effect of jaw, cannot again enter or looping on yarn body trunk, form filoplume.Filoplume increases in winder and warping process, its basic reason is: yam surface filoplume is many, structural relaxation, in the yarn high-speed cruising operations such as winder, warping, yarn is through parts such as yarn guide member, tension parts, suffer fierce friction, cause the serious withdrawing of yarn body internal fiber head end to be free on yarn surface, filoplume increases severely, surface structure heavy damage.In order to reduce Yarn filoplume, realize yarn and weave smoothly, textile enterprise generally all carries out sizing processing to yarn after warping, attaches Yarn filoplume, yarn is strengthened to guarantor simultaneously and stretch, increase ABRASION RESISTANCE.But warping adopts the starching of sheet yarn conventionally, the starching of sheet yarn will cause yarn inter-adhesive, needs wet, dry leasing, mutually tears and destroys yarn surface serous coat, produces secondary filoplume during yarn leasing.As can be seen here, eliminate Yarn filoplume, increasing yarn surface structure density should carry out before starching.
For ring spindle yarn operation, scholar both domestic and external did a large amount of research.Conventionally the approach adopting has two kinds, and a kind of is to adopt conventional method to optimize common ring spinning process, and the method can only reduce Yarn filoplume to a certain extent, and action effect is limited; Another kind is to adopt Advanced Spinning Technologies or the special-purpose filoplume device of eliminating to eliminate filoplume, can significantly reduce ring spun yarn line filoplume.Novel ring ingot spinning technology or special-purpose elimination filoplume device are the focuses of current ring spinning technical research.Novel ring ingot spinning technology representative is at present Advance of Compact Spinning Technology; as U.S. Department of Intellectual Property invention disclosed patent on December 18th, 1984 " Device for stretching; condensing and transporting a rove of fibers during a spinning operation ", patent No. US 4488397; U.S. Department of Intellectual Property invention disclosed patent on June 13rd, 2000 " Device for condensing a drafted fiber strand ", the patent No. 6073314; U.S. Department of Intellectual Property invention disclosed patent on June 13rd, 2000 " Device for condensing a drafted fiber strand ", the patent No. 6073314; U.S. Department of Intellectual Property invention disclosed patent on July 4th, 2000 " Arrangement for condensing a drafted fiber strand ", the patent No. 6082089; U.S. Department of Intellectual Property invention disclosed patent in 9 days January calendar year 2001 " Transport belt for transporting a fiber strand to be condensed ", patent No. US 6170126B1; U.S. Department of Intellectual Property invention disclosed patent in 24 days July calendar year 2001 " Arrangement and method for condensing a drafted fiber strand and method for making yarn thereform ", patent No. US 6263656B1; U.S. Department of Intellectual Property invention disclosed patent in 14 days Augusts calendar year 2001 " Apparatus for condensing a drafted strand ", patent No. US 6272834B1; U.S. Department of Intellectual Property invention disclosed patent in 29 days Mays calendar year 2001 " Condensing zone for a spinning machine ", patent No. US 6237317B1.The central principle of above-mentioned Advance of Compact Spinning Technology patent complicated legal case is all needle ring ingot spinning process, and compact spinning trigonum fiber strip strengthens fiber strip edge fiber to control, and effectively reduces spinning process fiber head end and exposes, and reduces Yarn filoplume; But compact spinning is eliminated spinning triangular zone, yarn body internal fiber is inside and outside to be shifted not, and cohesive force is not enough, and skin still has filoplume to expose, and after yarn body stands to rub, filoplume still increases severely; Particularly, at present by the Advance of Compact Spinning Technology of airflow concentration, only high grade yarn filoplume is reduced to successful, thick special Yarn filoplume is reduced to weak effect.
It is to adopt jet-impingement form that the special use of using at present reduces filoplume device, be arranged between front roller and twizzle, utilize the revolution of air-flow to make established filoplume paste volt in yam surface, as U.S. Department of Intellectual Property invention disclosed patent on April 10th, 1979 " method and apparatus yarn treatment ", the patent No. 41481779, U.S. Department of Intellectual Property invention disclosed patent on August 22nd, 1989 " method and apparatus for modifying spun textile yarn ", the patent No. 5263311.These are studied main difference and are that the difference due to jet-impingement device causes yam surface fiber to be subject to force direction different, thereby produce different coiling effects and cause the difference of Yarn filoplume eradicating efficacy.But due to can only being arranged on behind twist triangle zone (because the fiber in twist triangle zone becomes bulk fibre shape substantially of these devices, the air-flow spraying can cause the fiber movement chaotic and break end), it is yarn and yam surface filoplume that its air-flow brushes object, the flow rotation effect of being bullied of brushing two objects is different, realizes filoplume is stayed to yam surface simply to paste the form of volt and lax winding; In later process (as winder) processing, the fiber of parts friction withdrawing yarn surface structure, the filoplume of lax docile and winding reveals again, does not reach the effect of real elimination filoplume.
For winding procedure high-speed friction, cause yam surface structural damage, filoplume dramatic growth, powerful decline, require supporting sizing operation, increase the problems such as starching difficulty and sizing cost, at winding procedure, hairiness suppressing device is set, suppress the generation of filoplume, later process production and raising end product quality tool are of great significance.The method of current reducing resultant yarn filoplume after deliberation mainly concentrates on and reduces Winding yarn filoplume device; Although Patents document has a lot, the basic principle adopting is identical, at yarn, adopts advancing yarn is carried out to backtwisting-twisting mode on bobbin winder, makes yam surface filoplume be wound on yam surface, reaches the object that reduces filoplume.Representational patent documentation has: european patent number is EP 0 866 014 A2, open day on 09 23rd, 1998, invention and created name is Auto Winder, this application complicated legal case adopts the mechanism of turning round navel in winding process flow process, wandering fibre is come, to reduce Yarn filoplume with it to yarn to pasting volt along the sth. made by twisting of yarn; U.S. Patent number is US 6 374 588 B1, open day on 04 23rd, 2002, invention and created name is Hairiness controlling device and winder, this application complicated legal case adopts the mechanism of turning round navel in winding process flow process, wandering fibre is lied prostrate to yarn body trunk, to reduce Yarn filoplume to pasting along the sth. made by twisting of yarn; European patent number is EP 1 146 002 A2; open day October 17 calendar year 2001; invention and created name is Automatic winder and hairiness suppressing device; this application complicated legal case is utilized air-swirl pipe, by the mechanical function of swirling eddy, makes filoplume again be coated to it yarn; to reduce filoplume; but from principle, analyze, only according to the looping effect of air-flow, its covered effect is bad; European patent number EP 1 013 803 A2, open day on 06 28th, 2000, invention and created name is Hairiness suppressing device for automatic winder, this application complicated legal case is used air-swirl pipe equally, by air-flow, yarn is rotated, when the yarn of rotation passes through control panel (regulating plate), make fiber looping with it yarn, to reduce filoplume; China Patent No. is ZL 99127507.1, open day on 07 05th, 2000, invention and created name is the hairiness suppressing device of automatic winder, this application complicated legal case is used air-swirl pipe equally, by air-flow, yarn is rotated, but this patent is by adding cartridge controller at device two ends, to guarantee that yarn, along self axis revolution generation false twist effect, improves the efficiency that reduces Yarn filoplume.In addition, China Patent No. is ZL 200710052991.8, open day on 01 23rd, 2008, invention and created name is a kind of method of reducing resultant yarn filoplume, this application complicated legal case provides a kind of mode that adopts false twisting flatiron, the yarn of winder and knitting process is carried out to online attaching and wrap yarn filoplume, and few part filoplume is involved in yarn body, realizes the order that suppresses Yarn filoplume growth in winder or knitting process.The method and apparatus of above-mentioned minimizing yam surface filoplume, common ground be by Yarn filoplume by the lodging of air-flow or mechanical type, again looping on yarn is dry; But whole filoplume flattening, again in looping process, all there is no actively gripping effect effectively, filoplume flattening, looping is loosely organized again, and yarn top layer densification degree does not improve, and the filoplume of reduction stands friction and is easy to again rebound.
The above-mentioned Yarn filoplume to winder, warping, the yarn use procedure such as knitting is controlled as can be seen here, existing method common ground is: the in the situation that of non-positive gripping filoplume head end, yarn is carried out to false twisting or air-flow brushes looping, by the most filoplumes that stretch out yam surface reeling compared with loose form, docile is at yarn face, between filoplume fibre and yarn body, cannot form fine and close structural nexus, only from visually realizing filoplume, reduce; For the form that adopts backtwisting-twisting, attach in filoplume process, the local twist of yarn is subject to dynamic transfer and redistribution, occurs the weak position of the twist, is subject to yarn tension and stretches and worsen the yarn body trunk uniformity.More crucial is, in later process, along with yarn is subject to the friction of parts, these lax coilings, docile are easy to again stretch out yam surface formation filoplume at the fiber of yam surface, to the quality of the processing of yarn later process and final products (especially knit product quality), do not have essence to improve.
Summary of the invention
For above-mentioned existing problems, the object of the present invention is to provide a kind of rotary method of improving yarn surface structure of positive gripping, effectively crinosity plumage, outer lax short fiber yarn surface structure are carried out to bright and clean densification, its technical solution is:
A kind of rotary method of improving yarn surface structure of positive gripping, on every one thread running route, set gradually preposition centralized positioning twizzle, grip rotary reduction Yarn filoplume device, rearmounted centralized positioning twizzle, preposition centralized positioning twizzle is positioned at and grips rotary reduction Yarn filoplume device entrance point, rearmounted centralized positioning twizzle is positioned at and grips the rotary reduction Yarn filoplume device port of export, preposition centralized positioning twizzle center, grip rotary reduction Yarn filoplume device center, rearmounted centralized positioning twizzle is centered close on same axis, grip rotary reduction Yarn filoplume device by circulator, air channel pedestal forms, circulator is by cone-shaped hood, rotating shaft forms, cone-shaped hood and rotating shaft are integrated, cone-shaped hood is positioned at rotating shaft one end, on the taper seat of cone-shaped hood, have equally distributed miniature pore, cone-shaped hood tail end is cylindric, rotating shaft center is provided with yarn path, yarn path is stepped, yarn path inducer diameter is less than outlet section diameter, in the pedestal of air channel, be provided with air channel, pedestal center, air channel is provided with bearing trepanning, in bearing trepanning, be provided with the second bearing, the 3rd bearing, bearing trepanning and the second bearing, interference fit between the 3rd bearing, air channel pedestal front end is coniform, corresponding with cone-shaped hood shape, on the coniform conical surface, have along the equally distributed air inlet of conical surface direction, air channel pedestal front end afterbody is cylindrical, cylinder is provided with clutch shaft bearing, interference fit between cylinder and clutch shaft bearing, on the pedestal sidewall of air channel, set out pore, air outlet is communicated with air channel, the cone-shaped hood tail end of circulator is sleeved on clutch shaft bearing, interference fit between the cone-shaped hood tail end of circulator and clutch shaft bearing, the rotating shaft of circulator is inserted in the second bearing, in the 3rd bearing, rotating shaft and the second bearing, interference fit between the 3rd bearing, pedestal rear end, air channel is provided with end-blocking nut, end-blocking nut is positioned at the junction of the 3rd bearing and rotating shaft, grip rotary reduction Yarn filoplume device by the external driving belt of circulator rotating shaft, grip rotary reduction Yarn filoplume device by air outlet external connecting negative pressure air exhauster, make generation negative pressure in circulator cone-shaped hood, with the 5-1200 m/min of single yarn Y advancing, through preposition centralized positioning twizzle, enter the rotary reduction Yarn filoplume device center that grips, wherein the trunk S of yarns Y enters center, yarn path, and keep tensioning straight configuration, the surface hairiness H of yarns Y is subject to negative pressure draft effect, be attracted on cone-shaped hood outer surface, with cone-shaped hood, do synchronous rotary motion, simultaneously in porch, yarn path, continue to be closely wrapped on the trunk S top layer of yarns Y of operation, realization is to the bright and clean densification of yarns Y surface structure, yarns Y after processing is from center, yarn path, through rearmounted centralized positioning twizzle output.
Described miniature hole diameter is less than 100 μ m.
Described yarn path inducer diameter and outlet section diameter ratio are 0.2-0.7.
Owing to having adopted above technical scheme, compared with prior art, the rotary method of improving yarn surface structure of a kind of positive gripping of the present invention, its advantage is: the present invention adopts the cone-shaped hood suction-operated of circulator, effectively grip yam surface filoplume, be rotated simultaneously, yarn surface fibre is actively being carried out being effectively closely wound around under gripping state, the bright and clean densification of realization to yarn surface structure, significantly improve wear resistance energy, the anti-withdrawing performance of yarn surface fibre, eliminated while taking the dry main body untwisting-twisting method of yarn and occurred that filoplume is wound around and docile is lax, untwisting recurring structure relaxes and causes the dry deterioration of bar, the follow-up problems such as filoplume bounce-back that stand to rub.This method is applied widely: first, device is adjustable to the bright and clean densification degree of yarn, circulator rotary speed is adjustable in the larger range of speeds: yarn speed is certain, and circulator rotating speed is larger, the bright and clean densification degree of yarn surface structure is larger, and therefore accessible yarn variety is many; Secondly, yarn to high, low speed operation all can carry out bright and clean densification: yarn is in 5-1200 m/min of operational speed range, the bright and clean densification degree of yarn is certain, and the yarn speed of service is faster, circulator rotating speed is larger, can meet the use with different yarns manufacturing procedure.The rotary reduction Yarn filoplume of gripping involved in the present invention apparatus structure is reasonable, easy to operate, is easy to spread and uses.
Accompanying drawing explanation
Fig. 1 is operation principle schematic diagram of the present invention.
Fig. 2 is for gripping the schematic appearance of rotary reduction Yarn filoplume device.
Fig. 3 is for gripping the structural representation of rotary reduction Yarn filoplume device.
The specific embodiment
Below in conjunction with accompanying drawing, the rotary method of improving yarn surface structure of a kind of positive gripping of the present invention is described in further detail.
See accompanying drawing.
A kind of rotary method of improving yarn surface structure of positive gripping, on every one thread running route, set gradually preposition centralized positioning twizzle, grip rotary reduction Yarn filoplume device, rearmounted centralized positioning twizzle, preposition centralized positioning twizzle is positioned at and grips rotary reduction Yarn filoplume device entrance point, rearmounted centralized positioning twizzle is positioned at and grips the rotary reduction Yarn filoplume device port of export, preposition centralized positioning twizzle center, grip rotary reduction Yarn filoplume device center, rearmounted centralized positioning twizzle is centered close on same axis, grip rotary reduction Yarn filoplume device by circulator 1, air channel pedestal 5 forms, circulator 1 is by cone-shaped hood, rotating shaft forms, cone-shaped hood and rotating shaft are integrated, cone-shaped hood is positioned at rotating shaft one end, on the taper seat of cone-shaped hood, have equally distributed miniature pore 9, miniature pore 9 diameters are less than 100 μ m, cone-shaped hood tail end is cylindric, rotating shaft center is provided with yarn path 8, yarn path 8 is stepped, yarn path 8 inducer diameters are less than outlet section diameter, yarn path 8 inducer diameters and outlet section diameter ratio are 0.2-0.7, yarn path 8 inducer diameters and outlet section diameter ratio are less, after processing, yarn surface structure is finer and close, in air channel pedestal 5, be provided with air channel 3, pedestal 5 centers in air channel are provided with bearing trepanning, in bearing trepanning, be provided with the second bearing 10, the 3rd bearing 12, bearing trepanning and the second bearing 10, interference fit between the 3rd bearing 12, pedestal 5 front ends in air channel are coniform, corresponding with cone-shaped hood shape, on the coniform conical surface, have along the equally distributed air inlet 2 of conical surface direction, pedestal 5 front end afterbodys in air channel are cylindrical, cylinder is provided with clutch shaft bearing 4, interference fit between cylinder and clutch shaft bearing 4, on air channel pedestal 5 sidewalls, set out pore 11, air outlet 11 is communicated with air channel 3, the cone-shaped hood tail end of circulator 1 is sleeved on clutch shaft bearing 4, interference fit between the cone-shaped hood tail end of circulator 1 and clutch shaft bearing 4, the rotating shaft of circulator 1 is inserted in the second bearing 10, in the 3rd bearing 11, rotating shaft and the second bearing 10, interference fit between the 3rd bearing 12, pedestal 5 rear ends in air channel are provided with end-blocking nut 6, end-blocking nut 6 is positioned at the junction of the 3rd bearing 12 and rotating shaft, grip rotary reduction Yarn filoplume device by the external driving belt 7 of circulator 1 rotating shaft, grip rotary reduction Yarn filoplume device by air outlet 3 external connecting negative pressure air exhausters, make generation negative pressure in circulator 1 cone-shaped hood, with the 5-1200 m/min of single yarn Y advancing, through preposition centralized positioning twizzle, enter the rotary reduction Yarn filoplume device center that grips, wherein the trunk S of yarns Y enters 8 centers, yarn path, and keep tensioning straight configuration, the surface hairiness H of yarns Y is subject to negative pressure draft effect, be attracted on cone-shaped hood outer surface, with cone-shaped hood, do synchronous rotary motion, cone-shaped hood direction of rotation is consistent with yarn twist direction, while is 8 porch in yarn path, continue to be closely wrapped on the trunk S top layer of yarns Y of operation, realization is to the bright and clean densification of yarns Y surface structure, yarns Y after processing is 8 centers from yarn path, through rearmounted centralized positioning twizzle output.Because the mode that adopts limit absorption to grip Yarn filoplume, limit rotation winding filoplume is processed yarn surface fibre, effectively complete whole Yarn filoplumes and carry out fine and close being wound around of task at yarn surface layer, realize the bright and clean densification of staple fibre yarn surface structure, improve fineness and the ABRASION RESISTANCE of short fiber yarn.
Below in conjunction with different yarns production process, concrete application of the present invention is further elaborated.
Embodiment 1: in ring spinning process, improve ring spinning resultant yarn fineness
On ring throstle, adopt marquis's card fixer, the rotary reduction Yarn filoplume of gripping device is fixedly mounted between ring throstle front roller nip and twizzle through air channel pedestal 5, hold preposition centralized positioning twizzle is set between rotary reduction Yarn filoplume device and front roller nip, hold rearmounted centralized positioning twizzle is set between rotary reduction Yarn filoplume device and twizzle, variable-speed motor is arranged on ring spindle yarn locomotive head, by being connected with ring spindle yarn locomotive head power line, obtain 7 motions of energy drive driving belt, driving belt 7 presses the rotating shaft that contacts circulator 1 through belt guider, circulator 1 is rotated with the speed of 10000-25000 rev/min, grip rotary reduction Yarn filoplume device by the air outlet 11 external connecting negative pressure air exhausters of air channel pedestal 5, make the interior negative pressure that produces of cone-shaped hood of circulator 1.The ribbon getting off from Rove Package unwinding is through ring throstle rear roller, back cot, middle roller, middle rubber roll, in lower apron, middle upper leather ring, front roller, after the drafting system drawing-off that front rubber roll forms, by front roller, the front roller nip output that front rubber roll forms, the yarn of output is twisted active force and is formed Z twisted yarn Y, yarns Y is advanced with the speed output of 10-25 m/min, through preposition centralized positioning twizzle, enter and grip rotary reduction Yarn filoplume device, wherein the trunk S of yarns Y enters 8 centers, yarn path, the trunk S of yarns Y keeps tensioning straight configuration, the surface hairiness H of yarns Y is subject to negative pressure draft effect, be attracted on cone-shaped hood outer surface, with cone-shaped hood, do synchronous rotary motion, the direction that rotatablely moves be Z twist with the fingers to, the hairiness H effectively gripping by looping tightly on the trunk S of high-speed cruising yarns Y, yarns Y surface structure is carried out to bright and clean densification, yarns Y after processing is 8 centers from yarn path, through rearmounted centralized positioning twizzle output, successively through Twizzle for ring throstle, guiding principle, steel traveler, finally be wound up on fine spining machine spool.
Embodiment 2: in winder process, improve the bright and clean density of ring spun yarn line surface structure
In fully-automatic spooling machine, adopt marquis's card fixer, the rotary reduction Yarn filoplume of gripping device is fixedly mounted between automatic winder electronic yarn clearer and waxing attachment through air channel pedestal 5, hold preposition centralized positioning twizzle is set between rotary reduction Yarn filoplume device and electronic yarn clearer, hold rearmounted centralized positioning twizzle is set between rotary reduction Yarn filoplume device and waxing attachment, variable-speed motor is arranged on the control cabinet sidewall that in fully-automatic spooling machine, each groove drum is corresponding, by being connected with power line in control cabinet, obtain 7 motions of energy drive driving belt, driving belt 7 presses the rotating shaft that contacts circulator 1 through belt guider, make circulator 1 carry out High Rotation Speed with the speed of 40000-120000 rev/min, grip rotary reduction Yarn filoplume device by the air outlet 11 external connecting negative pressure air exhausters of air channel pedestal 5, make the interior negative pressure that produces of cone-shaped hood of circulator 1.The Z twisted yarn Y getting off from cop package unwinding is with the speed of service of 400-1200 m/min, successively through air ring fracturer, pre-yarn clearer, tensioner, electronic yarn clearer, by preposition centralized positioning twizzle guiding, enter and grip rotary reduction Yarn filoplume device, wherein the trunk S of yarns Y enters 8 centers, yarn path, the trunk S of yarns Y keeps tensioning straight configuration, the surface hairiness H of yarns Y is subject to negative pressure draft effect, be attracted on cone-shaped hood outer surface, with cone-shaped hood, do synchronous rotary motion, the direction that rotatablely moves be Z twist with the fingers to, the hairiness H effectively gripping by looping tightly on the trunk S of high-speed cruising yarns Y, yarns Y surface structure is carried out to bright and clean densification, yarns Y after processing is 8 centers from yarn path, through rearmounted centralized positioning twizzle output, then successively through waxing attachment, groove drum, finally be wound up in the package of fully-automatic spooling machine bobbin.
Embodiment 3: in warping process, improve the bright and clean density of yarn surface structure
On warping machines, adopt marquis's card fixer, the rotary reduction Yarn filoplume of gripping device is fixedly mounted on cylinder stand of warping machine yarn output one row's lever jack through air channel pedestal 5, grip rotary reduction Yarn filoplume device between lever jack and flexible button, hold preposition centralized positioning twizzle is set between thread guide on rotary reduction Yarn filoplume device and lever jack, hold between rotary reduction Yarn filoplume device and flexible button rearmounted centralized positioning twizzle is set, variable-speed motor is arranged on the body supports bar of bobbin cradle, by external power supply, obtain energy and drive driving belt 7 motions, driving belt 7 presses the rotating shaft that contacts circulator 1 through belt guider, make circulator 1 carry out High Rotation Speed with the speed of 20000-60000 rev/min, grip rotary reduction Yarn filoplume device by the air outlet 11 external connecting negative pressure air exhausters of air channel pedestal 5, make the interior negative pressure that produces of cone-shaped hood of circulator 1.S twisted yarn Y gets off from the bobbin package unwinding being placed in bobbin cradle with the speed of 200-600 m/min, successively through tensioner, yarn guide member, by preposition centralized positioning twizzle guiding, enter and grip rotary reduction Yarn filoplume device, wherein the trunk S of yarns Y enters 8 centers, yarn path, the trunk S of yarns Y keeps tensioning straight configuration, the surface hairiness H of yarns Y is subject to negative pressure draft effect, be attracted on cone-shaped hood outer surface, with cone-shaped hood, do synchronous rotary motion, the direction that rotatablely moves be S twist with the fingers to, the hairiness H effectively gripping by looping tightly on the trunk S of high-speed cruising yarns Y, yarns Y surface structure is carried out to bright and clean densification, yarns Y after processing is 8 centers from yarn path, through rearmounted centralized positioning twizzle output, then successively through flexible button, cord roller, finally be wound up on warp beam.
Embodiment 4: in crinosity camlet line warp-knitting process, improve the bright and clean density of staple fibre yarn surface structure
Compare with weft knitting, fast through volume speed, output is high; High through volume speed, if yam surface filoplume is many, be easy to destroy knitting needle, therefore through compiling the bright and clean long filament of main employing, produce at present.Adopt the present invention can solve short fiber yarn filoplume problem, make crinosity plumage staple fibre yarn can for through braiding make, its specific embodiment is as follows: on warp knitting machine, adopt marquis's card fixer, by gripping rotary reduction Yarn filoplume device, through air channel pedestal 5, be fixedly mounted on the yarn guide of warp knitting machine warp let-off structure, gripping rotary reduction Yarn filoplume device feeds between silk hook in active type warp let-off structure and looping mechanism, hold between rotary reduction Yarn filoplume device and utmost point formula warp let-off structure preposition centralized positioning twizzle is set, hold between rotary reduction Yarn filoplume device and looping mechanism hello silk hook rearmounted centralized positioning twizzle is set, variable-speed motor is arranged on creel, by external power supply, obtain energy and drive driving belt 7 motions, driving belt 7 presses the rotating shaft that contacts circulator 1 through belt guider, make circulator 1 carry out High Rotation Speed with the speed of 5000-8000 rev/min, grip rotary reduction Yarn filoplume device by the air outlet 11 external connecting negative pressure air exhausters of air channel pedestal 5, make the interior negative pressure that produces of cone-shaped hood of circulator 1.Z twisted yarn Y gets off from the warp beam package unwinding being placed in creel with the speed of 5-8 m/min, successively through tensioner, positive warp-feeding mechanism, by preposition centralized positioning twizzle guiding, enter and grip rotary reduction Yarn filoplume device, wherein the trunk S of yarns Y enters 8 centers, yarn path, the trunk S of yarns Y keeps tensioning straight configuration, the surface hairiness H of yarns Y is subject to negative pressure draft effect, be attracted on cone-shaped hood outer surface, with cone-shaped hood, do synchronous rotary motion, the direction that rotatablely moves be S twist with the fingers to, the hairiness H effectively gripping by looping tightly on the trunk S of high-speed cruising yarns Y, yarns Y surface structure is carried out to bright and clean densification, yarns Y after processing is 8 centers from yarn path, through rearmounted centralized positioning twizzle output, then through looping mechanism hello a silk hook, entering warp knitting machine looping mechanism weaves.
Claims (3)
1. one kind actively grips the rotary method of improving yarn surface structure, it is characterized in that: on every one thread running route, set gradually preposition centralized positioning twizzle, grip rotary reduction Yarn filoplume device, rearmounted centralized positioning twizzle, preposition centralized positioning twizzle is positioned at and grips rotary reduction Yarn filoplume device entrance point, rearmounted centralized positioning twizzle is positioned at and grips the rotary reduction Yarn filoplume device port of export, preposition centralized positioning twizzle center, grip rotary reduction Yarn filoplume device center, rearmounted centralized positioning twizzle is centered close on same axis, grip rotary reduction Yarn filoplume device by circulator (1), air channel pedestal (5) forms, circulator (1) is by cone-shaped hood, rotating shaft forms, cone-shaped hood and rotating shaft are integrated, cone-shaped hood is positioned at rotating shaft one end, on the taper seat of cone-shaped hood, have equally distributed miniature pore (9), cone-shaped hood tail end is cylindric, rotating shaft center is provided with yarn path (8), yarn path (8) is stepped, yarn path (8) inducer diameter is less than outlet section diameter, in air channel pedestal (5), be provided with air channel (3), air channel pedestal (5) center is provided with bearing trepanning, in bearing trepanning, be provided with the second bearing (10), the 3rd bearing (12), bearing trepanning and the second bearing (10), interference fit between the 3rd bearing (12), air channel pedestal (5) front end is coniform, corresponding with cone-shaped hood shape, on the coniform conical surface, have along the equally distributed air inlet of conical surface direction (2), air channel pedestal (5) front end afterbody is cylindrical, cylinder is provided with clutch shaft bearing (4), interference fit between cylinder and clutch shaft bearing (4), on air channel pedestal (5) sidewall, set out pore (11), air outlet (11) is communicated with air channel (3), the cone-shaped hood tail end of circulator (1) is sleeved on clutch shaft bearing (4), interference fit between the cone-shaped hood tail end of circulator (1) and clutch shaft bearing (4), the rotating shaft of circulator (1) is inserted in the second bearing (10), in the 3rd bearing (11), rotating shaft and the second bearing (10), interference fit between the 3rd bearing (12), air channel pedestal (5) rear end is provided with end-blocking nut (6), end-blocking nut (6) is positioned at the junction of the 3rd bearing (12) and rotating shaft, grip rotary reduction Yarn filoplume device by the external driving belt of circulator (1) rotating shaft (7), grip rotary reduction Yarn filoplume device by air outlet (3) external connecting negative pressure air exhauster, make generation negative pressure in circulator (1) cone-shaped hood, with the 5-1200 m/min of single yarn Y advancing, through preposition centralized positioning twizzle, enter the rotary reduction Yarn filoplume device center that grips, wherein the trunk S of yarns Y enters center, yarn path (8), and keep tensioning straight configuration, the surface hairiness H of yarns Y is subject to negative pressure draft effect, be attracted on cone-shaped hood outer surface, with cone-shaped hood, do synchronous rotary motion, while is (8) porch in yarn path, continue to be closely wrapped on the trunk S top layer of yarns Y of operation, realization is to the bright and clean densification of yarns Y surface structure, yarns Y after processing is (8) center from yarn path, through rearmounted centralized positioning twizzle output.
2. the rotary method of improving yarn surface structure of a kind of positive gripping as claimed in claim 1, is characterized in that: described miniature pore (9) diameter is less than 100 μ m.
3. the rotary method of improving yarn surface structure of a kind of positive gripping as claimed in claim 1, is characterized in that: described yarn path (8) inducer diameter and outlet section diameter ratio are 0.2-0.7.
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| CN104878485A (en) * | 2015-05-19 | 2015-09-02 | 武汉纺织大学 | Method for removing yarn hairiness in directed accurate selection mode |
| CN104878484A (en) * | 2015-05-19 | 2015-09-02 | 武汉纺织大学 | Directed accurate selection type yarn hairiness removing device |
| CN105274723A (en) * | 2015-10-26 | 2016-01-27 | 武汉纺织大学 | Super-smooth weft knitting method of yarns with many drafted fibers |
| CN105274682A (en) * | 2015-10-26 | 2016-01-27 | 武汉纺织大学 | Device for directionally stretching, collaboratively softening and winding drafted fibers of yarns |
| CN106337230A (en) * | 2016-11-08 | 2017-01-18 | 武汉纺织大学 | Device for Gradient Wrap of Yarn Hairiness |
| CN106337231A (en) * | 2016-11-08 | 2017-01-18 | 武汉纺织大学 | Post-processing Method of Gradient Friction Wrap Yarn Hairiness |
| CN107123486A (en) * | 2017-06-20 | 2017-09-01 | 李聪 | The quick crochet of twisted-pair feeder |
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| CN104878485A (en) * | 2015-05-19 | 2015-09-02 | 武汉纺织大学 | Method for removing yarn hairiness in directed accurate selection mode |
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| CN105274682A (en) * | 2015-10-26 | 2016-01-27 | 武汉纺织大学 | Device for directionally stretching, collaboratively softening and winding drafted fibers of yarns |
| CN105274723A (en) * | 2015-10-26 | 2016-01-27 | 武汉纺织大学 | Super-smooth weft knitting method of yarns with many drafted fibers |
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| CN107829176A (en) * | 2017-11-17 | 2018-03-23 | 武汉纺织大学 | A kind of box-like device of valve and its application for the clean processing of yarn ultraphotic |
| CN107829176B (en) * | 2017-11-17 | 2019-12-03 | 武汉纺织大学 | A kind of application of the box-like device of valve for the clean processing of yarn ultraphotic |
| CN114836864A (en) * | 2021-02-02 | 2022-08-02 | 江苏京正特种纤维有限公司 | Vortex core-spun yarn production device and production method |
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