CN109825917A

CN109825917A - Triple channel hollow spindle fancy type yarn forming device and method

Info

Publication number: CN109825917A
Application number: CN201910192391.4A
Authority: CN
Inventors: 薛元; 卜华香; 徐华民; 吕明明
Original assignee: Wuxi Xinmei New Material Technology Co Ltd
Current assignee: Wuxi Xinmei New Material Technology Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-14
Publication date: 2019-05-31
Anticipated expiration: 2039-03-14
Also published as: CN109825917B

Abstract

The present invention provides a kind of triple channel hollow spindle fancy type yarn forming device and method, yarn forming device includes first passage, second channel and third channel；The first twisted point and the second twisted point are provided on channel；First component yarn, the second component yarn and third component yarn form fancy yarn main body after the first twisted point interaction twines twirl；It is provided with hollow spindle at second twisted point, the 4th component yarn on hollow spindle crosses with the fancy yarn main body and coats to fancy yarn main body.The present invention implements alternation drawing-off by one-step method, interaction twines twirl and cladding process, realize the one-step method spinning of flame, cooperate with speed, the line density for regulating and controlling decorative yarn and the blending ratio, the twist for regulating and controlling heart yarn of the twisted point of feeding with heart yarn by regulating and controlling decorative yarn simultaneously, regulate and control the online variation that the technological means such as the switching of heart yarn and decorative yarn realize flame ring, big tripe, knot, circle circle, the color of plait and form, expands out the new varieties of flame.

Description

Triple channel hollow spindle fancy type yarn forming device and method

Technical field

The present invention relates to spinninging technical field in Textile Engineering, more particularly, to a kind of triple channel hollow spindle fancy type yarn at Type device and method.

Background technique

Hollow ingot spinning machine production flame generallys use two-step method, and the first step first spins heart yarn, decorative yarn respectively and consolidates Yarn；The heart yarn fed with friction speed, decorative yarn are carried out false twisting using hollow ingot device, by decorative yarn to heart yarn by second step Overfeeding makes decorative yarn kink form knot, circle circle, the flower pattern such as plait on heart yarn, then again with unwinding from hollow ingot Gu the flower pattern of formation is tied up knot and fixed by yarn, hollow spindle fancy type yarn is formed.Hollow ingot spinning machine produces main existing for flame Want problem as follows:

1) variation of flame color can not be regulated and controled when hollow ingot spinning flame: in order to realize flame color Variation, one is the mutual looping relationship for regulating and controlling decorative yarn, heart yarn and solid yarn, the other is the color of regulation decorative yarn.Traditional sky Heart ingot spinning machine production flame still lacks the means of regulation decorative yarn, heart yarn and the solid mutual looping relationship of yarn, can not also regulate and control The color of decorative yarn, therefore the variation of flame color can not be regulated and controled；

2) variation of knot, circle circle, the size of plait and color: hollow ingot can not be regulated and controled when hollow ingot spinning flame Fancy yarns includes (Gu heart yarn+decorative yarn+yarn) three components, and wherein decorative yarn is the main body to form fancy yarns knot, circle circle, plait, Traditional hollow ingot spinning machine can not regulate and control the variation of the thickness and color of decorative yarn online, therefore can not regulate and control knot, circle circle, plait Size and color variation；

3) can not regulate and control the combination of heart yarn and decorative yarn when hollow ingot spinning flame: hollow ingot spinning includes (core Gu yarn+decorative yarn+yarn) three line fancy yarns when, can only realize the simple combination of a decorative yarn and a heart yarn, can not achieve more The Multiple Combination mode of decorative yarn and more heart yarns, therefore cannot achieve the online regulation of decorative yarn Yu heart yarn combination.

4) can not regulate and control the variation of heart yarn, decorative yarn and solid yarn cladding ratio when hollow ingot spinning flame: hollow ingot spins When three line fancy yarn comprising (Gu heart yarn+decorative yarn+yarn), heart yarn and decorative yarn it is twisted and later with solid yarn cladding during Lack control measures, therefore the variation of heart yarn, decorative yarn and solid yarn cladding ratio can not be regulated and controled online.

5) low efficiency, production cost height etc..

Since there are the above problems for hollow ingot spinning machine, so being difficult to pass through spinning in the spinning process of flame The regulation of equipment and spinning process to change online looping structure, form, color, style and the feel of flame, Wu Faman The demand of changeful, rich in color fine and smooth, the agile fashion of style the fancy yarn garment material of foot-shape state.

Summary of the invention

The purpose of the present invention is to provide a kind of device of the hollow ingot spinning flame of triple channel and one step processing sides Method, by alternation drawing-off-collaboration conveying-ordinary lay twine and coat etc. techniques by decorative yarn, heart yarn and solid yarn be combined into comprising knot, The complicated flame of the combination flower pattern such as circle, plait is enclosed, to solve at least one technical problem existing in the prior art.

In order to solve the above technical problems, a kind of triple channel hollow spindle fancy type yarn forming device provided by the invention, comprising: The first passage that passes through for the first component yarn, the second channel passed through for the second component yarn and pass through for third component yarn Third channel；

Be disposed on the first passage the first rear roller, the first middle roller, the first front roller, the first twisted point and Second twisted point；The second rear roller, the second middle roller, the second front roller, described first are disposed on the second channel Twisted point and the described second twisted point；Rear roller, middle roller on first passage and second channel and region is between front roller Draft area；

Third front roller, the first twisted point and the second twisted point are disposed on the third channel；The Interaction, which is formed, between the twisted point of one front roller, the second front roller, third front roller and first twines twirl trigonum；First preceding sieve Drawing, the second front roller, third front roller independently move, and corresponding component yarn is introduced interaction respectively and twines twirl trigonum；

A kind of or several yarn is directed to the interaction and twines in first component yarn, the second component yarn and/or third component Formation fancy yarn main body after twirl is twined after twisting trigonum；

It is provided with hollow spindle at described second twisted point, the fancy yarn main body passes through the hollow spindle, hollow ingot Sub quickly to rotate, the 4th component yarn on hollow spindle crosses with the fancy yarn main body and coats to fancy yarn main body.

It further, further include long filament bobbin, the long filament bobbin cup is on the hollow spindle and with hollow spindle It rotates synchronously, the 4th component yarn reel is wound on the long filament bobbin.

Further, the hollow spindle includes scroll tube, and the scroll tube is for adding the fancy yarn main body It twists.

Further, first rear roller and second rear roller are concentric, can relatively rotate setting in the circumferential； First middle roller and second middle roller are concentric, can relatively rotate setting in the circumferential；First front roller, institute State that the second front roller and the third front roller are concentric, can relatively rotate setting in the circumferential.

The present invention breaks through technical bottleneck of the hollow ingot spinning in terms of fancy yarn forming, implements alternation by one-step method and leads It stretches, output, interaction is cooperateed with to twine twirl and cladding process, the one-step method for realizing flame (containing heart yarn, decorative yarn and solidus) is spun System, while the line density and blending ratio, the twist for regulating and controlling heart yarn of the output speed by regulating and controlling decorative yarn and heart yarn, regulation decorative yarn, Regulate and control the technological means such as the switching of heart yarn and decorative yarn and realizes flame ring, big tripe, knot, circle circle, the color of plait and shape The online variation of state, expands out the new varieties of flame.

Wherein preferably, the first component yarn and the second component yarn are decorative yarn, and the third component yarn is heart yarn, described 4th component yarn is solid yarn.

Certainly, the first component yarn, the second component yarn and third component yarn, i.e. the first component yarn, the second component yarn and third Any or wantonly two yarn can be decorative yarn in component yarn, other yarns are heart yarn, in application, can be according to the combination die of yarn Formula freely adjusts.

Further, it is connected between first rear roller and first middle roller by the first driving gear set, the One driving gear set is for keeping the draw ratio (linear velocity ratio) between the first middle roller and the first rear roller constant and little In 1.4；

It is connected between second rear roller and second middle roller by the second driving gear set, the second transmission gear Group is for keeping the draw ratio (linear velocity ratio) between the second middle roller and the second rear roller constant and no more than 1.4.

In first passage and second channel in the present invention, level-one drafting unit is formed (i.e. between middle roller and rear roller First draft area), front roller and middle roller constitute second level drafting unit (i.e. the second draft area), in same channel, rear roller Speed ratio is constant and less than 1.4, and the front roller synchronous speed change in the opposite channel, in different channels, rear roller relatively before Roller replaces speed change, realizes the alternation drawing-off to two groups of rove.Particularly important, level-one drawing-off is preliminary draft, level-one draw ratio e_hIt is permanent drawing-off, the draw ratio e of level-one drawing-off for constant C_h=C≤1.4, it is ensured that the continuity of rove, in the first draft area Drawing-off singular point will not be generated.Meanwhile preliminary draft process can make rove internal fiber stretch tensioning and orientation, lead to carry out master The preparation slid during stretching reduces end breakage rate or singular point rate during dominant draft, and draw twisting process is more stable, significantly Reduce the labor intensity of worker.

Wherein preferably, corresponding above middle roller on the same channel in the first passage and the second channel It is provided with a middle upper leather roller, the yarn forming device further includes covering on middle upper leather roller and upper pin and keeping same with middle roller The upper leather ring of movement is walked, cover on middle roller and lower pin and keeps the lower apron moved synchronously with middle roller；Upper leather ring and hypodermis Distance of the gripping jaw of circle apart from front roller nip line is less than 3mm.

Second level drawing-off e_qFor dynamic dominant draft, the speed of middle roller is variation with respect to front roller, when described first logical The blending ratio K=0% of a component yarn in road or the second channel, the second level draw ratio e of the channel yarn_q=∞ When, the channel yarn the second draft area formed drawing-off singular point, the distance between the drawing-off singular point and the front roller nip δ≤ 3mm (gauge of rear roller and middle roller is generally higher than 25mm in the prior art, first draft area drawing-off singular position with Machine be distributed in, between rear roller, when drawing-off singular point is more than 3mm apart from middle roller jaw, during drawing-off singular point is fed to again The time of roller nip there is uncertain factor, if cooperation is bad or generates thickness section or leads to breakage, So that spinning is become a unstable process, influence the reliability and yarn quality of spinning).When K is incrementally increased, with rear sieve It draws and the synchronous averaging of middle roller, the yarn held by upper and lower apron carries out second level drawing-off by instantaneously feeding front roller nip, therefore It will not influence the stability of spinning positioned at the drawing-off singular point of second level draft area.

Further, further include drawing roller on the third channel, draw roller, the third front roller, described the Twisted point and the described second twisted point are set gradually.

It further, further include rear roller axis, middle roller axis and front roller axis；

In the circumferential direction of the rear roller axis, first rear roller (such as by way of key) is set with relatively fixedly On the rear roller axis, second rear roller (such as passing through bearing mode) is rotatably sleeved on the rear roller On axis；

In the circumferential direction of the middle roller axis, first middle roller is rotatably sleeved on the middle roller axis On, second middle roller is sleeved on relatively fixedly on the middle roller axis；

In the circumferential direction of the front roller axis, first front roller and the second front roller are rotatably sleeved on institute It states on front roller axis, the third front roller is sleeved on relatively fixedly on the front roller axis；

By the rear roller axis, the middle roller axis and the front roller axis can regulate and control respectively the first component yarn, Feeding (feeding) speed of the second component yarn and third component yarn.

It further, further include the first front axle and the second front axle, the first front axle passes through first gear transmission and described the The connection of one front roller, the second front axle are connect by second gear transmission with second front roller, and first front axle is passed through Revolving speed (i.e. the first component yarn and the second component yarn of the first front roller and the second front roller can be regulated and controled respectively with the second front axle Feeding speed).

Wherein, rear roller, middle roller and front roller are preferably nested type roller.

Certainly, the driving method of the rear roller on different channels and middle roller is not limited to aforesaid way, such as logical first On rear roller or middle roller on road and second channel setting for belt transmission apron, apron by belt gear with Servo motor connection；Alternatively, driving cog is separately arranged on rear roller or middle roller on first passage and second channel Wheel construction is connect by deceleration mechanism with servo motor afterwards.

Further, first driving gear set includes the first driving gear, the first gap bridge tooth of successively engaged transmission Wheel and the first driven gear；First driving gear with first rear roller is concentric is fixedly connected, first driven gear With first middle roller is concentric is fixedly connected；

Second driving gear set includes the second driving gear, the second carrier gear and the second quilt of successively engaged transmission Moving gear；Second driving gear with second middle roller is concentric is fixedly connected, second driven gear and described second Rear roller is concentric to be fixedly connected.

Further, the first gear transmission includes: the first master gear and the first pinion of intermeshing transmission, First master gear is fixedly set on first front axle, the first pinion with first front roller is concentric is fixedly connected；

The second gear transmission includes: the second master gear and the second pinion of intermeshing transmission, the second main tooth Wheel is fixedly set on second front axle, the second pinion with second front roller is concentric is fixedly connected.

It further, further include bridge shaft, first carrier gear and the second carrier gear loop are in the bridge shaft On.

Wherein, each rear roller, respectively correspond above middle roller and front roller and be provided with upper leather roller, upper leather roller and lower section Roller cooperates for clamping yarn.

It further, further include control system and servo drive system；

The servo drive system includes servo-driver and servo motor；

The control system includes controller (preferably PLC programmable controller) and speed probe；

The controller passes sequentially through servo-driver and connect with the servo motor；

The servo motor include: for driving the first servo motor of rear roller axis rotation, it is described for driving Second servo motor of middle roller axis rotation, the third servo motor for driving first front axle, for driving described the 4th servo motor of two front axles, the 5th servo motor for driving the front roller axis rotation, and it is described for driving The spindle motor of hollow spindle rotation；

The speed probe includes: for being respectively used to monitor the rear roller axis, middle roller axis, the first front axle, The first sensor of two front axles and front roller axis revolving speed, second sensor, 3rd sensor, the 4th sensor and the 5th sensing Device, and the spindle sensor for monitoring the hollow spindle revolving speed.

Controller in the present invention passes sequentially through four component yarns on servo-driver and four yarn paths of motor control Feeding speed, the practical feeding speed of four component yarns of speed probe real-time monitoring, and monitor value is fed back into control Device, controller can adjust the size that signal is controlled on four yarn paths according to monitor value.

It further, further include twisting mechanism, the twisting mechanism further includes shape tube and grid ring；First component yarn, The slot that gathers that second component yarn and third component yarn pass through shape tube is agglomerated into a root item.

Further, the twisting mechanism includes ring rail；

Controller passes through the movement of ring rail described in servo-driver and Serve Motor Control.

In addition, control system further includes series of instructions and modularized program.

Further, the control system further includes the first comparison module, and first comparison module is respectively with described One sensor, second sensor and the controller connection, first comparison module for monitor the middle roller axis with Rotating ratio between the rear roller axis, the controller regulate and control the middle roller according to the numerical value that first comparison module is fed back Axis or the rear roller axis revolving speed, and then regulate and control the blending ratio of the first component yarn and the second component yarn.

Accurately and quickly to realize yarn than the numerical value that regulation, the present invention are directly fed back according to the first comparison module Regulated and controled, even if since various source of errors cause middle roller axis and rear roller axis revolving speed to exceed setting error range respectively, As long as guaranteeing the middle roller axis and rear roller axis revolving speed ratio (i.e. the second component yarn and the first component yarn of the first comparison module feedback Feeding speed ratio) setting error range in, can continue production without additionally adjusting middle roller axis and rear roller The actual speed of axis.Compared with prior art, it needs to monitor the multiple parameters such as middle roller and rear roller simultaneously to compare, the present invention only needs A parameter is monitored, middle roller and rear roller control accuracy are relaxed, increases the redundancy of system control, and highlights difference The workload of the importance of channel top roller revolving speed ratio, controller processing also substantially increases yarn while substantially reducing Blending ratio controls precision, in addition, avoid the shutdown or adjustment time in production process, the production efficiency of equipment improve 30% with On.

Wherein comparison module can be the prior art, can be existing comparator or integrated comparison circuit, Huo Zhewei Existing comparison module in a software form in controller CUP.The forms of sensor is also very much, such as can be photoelectric encoder Or Hall revolution speed transducer etc..

Further, first front roller, the second front roller are identical with the outer diameter of third front roller.

By adopting the above technical scheme, the invention has the following beneficial effects:

It is provided by the invention a kind of using above-mentioned triple channel hollow spindle fancy type yarn forming device, there are three tunnels by building The hollow ingot spinning yarn systems of the twisted point of yarn channel and two, in the first twisted point by three coaxial preceding sieve of different rotating speeds Pulling not Shu Chu the non-twist sliver of two-way and all the way spun yarn (or long filament) twist triangle zone complete ordinary lay merge to form fancy Yarn main body, at the second twisted point place, the 4th component yarn (long filament) that is exported by hollow spindle and formed fancy yarn main body into Row cladding is twisted, forms the flame comprising decorative yarn, heart yarn and solid yarn, realizes ornamental thread, core wire, solidus one-step method hollow ingot flower The spinning of formula yarn；

In addition, by the collaborative variation of regulation rear roller, middle roller and three front roller speed, there is spinning list to twist packet It covers, twirl is handed over to coat and twine the multiplets flames such as twirl cladding；And pass through regulation rear roller, middle roller and three front rollers Speed collaborative variation, the online combination for changing decorative yarn and heart yarn change the combination of the flower pattern such as knot, plait, circle circle, online online The size for changing the flower pattern such as knot, plait, circle circle changes the color of the flower pattern such as knot, plait, circle circle online, spins appearance shape The changeable combination flame of state；Finally, the speed collaborative variation regulation for passing through regulation rear roller, middle roller and three front rollers The cladding ratio of core wire, ornamental thread and solidus, the colored fancy yarn that spinning color changes online, production efficiency greatly improve.

In addition, the invention also discloses a kind of flames using above-mentioned triple channel hollow spindle fancy type yarn forming device Forming method.

Further, by regulating and controlling rear roller and middle roller on the first passage and/or second channel online, and The speed of three front rollers can cooperate with input decorative yarn and heart yarn to spin single twirl clad structure flame respectively, hand over and twist cladding Structure flame and twine twist clad structure flame；

A piece non-twist yarn or yarn are through the first passage, the second channel or the third channel described first Twisted point is twisted, and was coated at second twisted o'clock by the 4th component yarn (Gu yarn) and is formed single twirl clad structure flame；

Two non-twist yarns or yarn are respectively through two in the first passage, the second channel and the third channel A channel is introduced into the interaction and twines twirl trigonum, and after the described first twisted point is twisted by constant speed, in a second twisted point quilt 4th component yarn (Gu yarn) cladding, which forms to hand over, twists clad structure flame；

Three non-twist yarns or yarn are introduced into through the first passage, the second channel and the third channel respectively The interaction, which twines, twists trigonum, and after the described first twisted point carries out non-constant speed twisting, at second twisted o'clock by the 4th component Yarn (Gu yarn) cladding, which forms to twine, twists clad structure flame.

Further, the first component yarn, the second component yarn and third component yarn respectively by the first front roller, second before Roller and third front roller introduce the interaction and twine twirl trigonum, and wherein the minimum component yarn (yarn) of front roller speed is fancy The heart yarn of yarn, the higher component yarn of front roller speed are the decorative yarn of fancy yarn, pass through the feeding speed of three front rollers of on-line tuning Degree, it can be achieved that in fancy yarn decorative yarn and heart yarn integrated mode online variation.

Further, if the speed of first front roller, the second front roller and third front roller is respectively V_q1、V_q2With V_q3, by regulating and controlling V online_q1、V_q2And/or V_q3, keeping rear roller revolving speed and middle roller turn on first passage and second channel (i.e. V under conditions of speed is not waited and is not zero_h(t)≠V_z(t) ≠ 0), by regulating and controlling V_q1(t):V_q2(t):V_q3(t) ratio, The online variation of a variety of flower pattern combinations on fancy yarn can be achieved.

Further, the flower pattern includes but is not limited to knot, plait, circle circle etc..

Further, the online variation of a variety of flower pattern combinations includes: on fancy yarn

1. working as V_q1(t):V_q2(t):V_q3(t)=(1.15-1.3): (1.15-1.3): when 1, the first component yarn and second group Part yarn (decorative yarn Y₁+Y₂) interaction twine twirl and kink in third component yarn (heart yarn X₁) on form knot；

2. working as V_q1(t):V_q2(t):V_q3(t)=(1.3-4): (1.3-4): when 1, the first component yarn and the second component yarn (decorations Yarn Y₁+Y₂) interact to twine and twist in third component yarn (heart yarn X₁) on formed circle circle；

3. working as V_q1(t):V_q2(t):V_q3(t)=1:1:(1.15-1.3) when, third component yarn (heart yarn X₁) interaction twine twirl and Kink is in the first component yarn and the second component yarn (decorative yarn Y₁+Y₂) on form knot；

4. working as V_q1(t):V_q2(t):V_q3(t)=1:1:(1.3-4) when, third component yarn (heart yarn X₁) interaction twine twirl and torsion Knot is in the first component yarn and the second component yarn (decorative yarn Y₁+Y₂) on formed plait or circle circle.

Further, by regulating and controlling the middle roller speed V in the first passage and/or second channel online_z(t) with after The speed V of roller_h(t), and then change the line density of the first component yarn and/or the second component yarn, and/or, by regulating and controlling online The speed V of third front roller_q3(t), so that the online variation of flower pattern size on flame can be realized.

Further, the online variation of flower pattern size specifically includes on flame:

1. the regulation of fancy yarn knot size

Work as V_q1(t):V_q2(t):V_q3(t)=(1.15~1.3): (1.15~1.3): when 1, the first component yarn and second group Part yarn is decorative yarn, and third component yarn is heart yarn；First component yarn and the second component yarn (decorative yarn Y₁+Y₂) interaction twines twirl and kink exists Third component yarn (heart yarn X₁) on form knot, the line density of decorative yarn at this time are as follows:

Regulate and control the speed V of the middle roller and rear roller on first passage and/or second channel by PLC_h(t)、V_z(t), may be used The variation for regulating and controlling the line density of decorative yarn, when the feeding speed of middle roller and rear roller improves, decorative yarn line density just increases；In the middle The line density of decorative yarn just reduces when the feeding speed of roller and rear roller reduces, and the line for being achieved in the size of the knot becomes Change；

2. the regulation of fancy yarn circle circle size

Work as V_q1(t):V_q2(t):V_q3(t)=(1.3~3): (1.3~4): when 1, the first component yarn and the second component yarn are Decorative yarn, third component yarn are heart yarn；First component yarn and the second component yarn (decorative yarn Y₁+Y₂) interaction twine twirl and kink in third group Part yarn (heart yarn X₁) on formed circle circle；The line density of decorative yarn at this time are as follows:

Regulate and control the speed V of the middle roller and rear roller on first passage and/or second channel by PLC_h(t)、V_z(t), may be used The variation for regulating and controlling the line density of decorative yarn, when the feeding speed of middle roller and rear roller improves, decorative yarn line density just increases；In the middle The line density of decorative yarn just reduces when the feeding speed of roller and rear roller reduces；

Meanwhile regulating and controlling the first component yarn and the second component yarn with respect to the overfeed ratio of third component yarn (the opposite heart yarn speed of decorative yarn The overfeeding of degree), that is, regulate and control the first front roller speed V_q1(t) and the second front roller speed V_q2(t) relative to third front roller speed V_q3(t) overfeed ratio, then circle is big greatly, overfeed ratio is small for overfeed ratio under conditions of lopping, enclose it is small, thus online regulation at The size of type fancy yarn circle circle；

3. the regulation of fancy yarn plait length

Work as V_q1(t):V_q2(t):V_q3(t)=1:1:(1.3~3) when, the first component yarn and the second component yarn are heart yarn, the Three component yarns are decorative yarn；Third component yarn (decorative yarn X₁) interact to twine and twist in the first component yarn and the second component yarn (heart yarn (Y₁+Y₂)) On be initially formed circle circle, third component yarn (decorative yarn X₁) be strong twisted yarn when, third component yarn then itself twist stress under shape At circle circle twist together into plait immediately；

The revolving speed V of online regulation third front roller_q3(t) relative to the first front roller speed V_q1(t) and the second front roller is fast Spend V_q2(t) overfeed ratio, i.e., online regulation decorative yarn linear velocity with respect to heart yarn linear velocity overfeed ratio, overfeed ratio greatly then plait length, The small then plait of overfeed ratio is short, is achieved in the length of online regulation molding fancy yarn plait.

Further, the first component yarn and the respectively colored rove of the second component yarn, the first component yarn and second group The line density of part yarn is respectively ρ₁、ρ₂, then the blending ratio K of the first component yarn and the second component yarn_s1(t)、K_s2(t) as follows respectively:

Therefore, the speed V of the middle roller and rear roller on first passage and/or second channel is regulated and controled by PLC_h(t)、V_z (t), the variation of the blending ratio of controllable first component yarn and the second component yarn (i.e. decorative yarn), when the first component yarn and the second component When yarn forms flower pattern (such as knot, plait, circle circle) as decorative yarn, pass through the blending ratio of the first component yarn and the second component yarn Change the online variation that flower pattern color can be achieved.

Further, before by rear roller and middle roller on the regulation first passage and/or second channel and three The speed of roller can regulate and control the looping structure and its cladding ratio of fancy yarn each component, thus regulate and control the color of fancy yarn online Online variation.

The structural parameters for twining the hollow ingot spinning yarn system molding flame of twirl cladding to alternation drawing-off below are illustrated.

Be provided as decorative yarn the first component yarn and the second component yarn line density, as heart yarn line third component yarn line The line density of density and the 4th component yarn as solid yarn is respectively ρ₁、ρ₂、ρ_x、ρ_g, through alternation drawing-off, interact to twine and twist and consolidate After yarn cladding, the line density of flame is ρ_hyIf three front roller speed, rear roller speed, middle roller in spinning process It is respectively V that speed and core filaments, which send out speed,_q1(t)、V_q2(t)、V_q3(t)、、V_h(t)、V_z(t)、V_R1(t), and C=1.25 is each In channel, the speed ratio of rear roller.Through the alternation drawing-off of decorative yarn heart yarn, interaction twine twist and the cladding of solid yarn after, the flower that is formed by The structural parameters of formula yarn are as follows:

1, the blending ratio of the line density of decorative yarn and the first, second component yarn

2, the line density as the third component yarn of heart yarn:

3, the line density as the 4th component yarn of solid yarn:

ρ_g(t)=ρ_g (5)

4, the cladding ratio of the line density of flame and four component yarns

Detailed description of the invention

It below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram for the hollow spindle fancy type yarn forming device that the embodiment of the present invention 1 provides；

Fig. 2 be embodiment 1 in hollow spindle fancy type yarn forming device first to triple channel schematic diagram；

Fig. 3 is the drive mechanism figure for the middle hollow spindle fancy type yarn forming device that the embodiment of the present invention 1 provides；

Fig. 4 is the circuit diagram of hollow spindle fancy type yarn forming device in the embodiment of the present invention 1；

Fig. 5 is the circuit connection diagram of comparison module in hollow spindle fancy type yarn forming device in the embodiment of the present invention 2.

Appended drawing reference:

Y₁- the first component yarn；Y₂- the second component yarn；X₁Third component yarn；G₁- the four component yarn；R₁Draw roller；R₂- Hollow spindle；D₁- the first twisted point；D₂- the second twisted point；The first rear roller of 41-；The second rear roller of 42-；51- the first gap bridge tooth Wheel；The second carrier gear of 52-；The first middle roller of 61-；The second middle roller of 62-；The first front roller of 71-；The second front roller of 72-； 73- third front roller；4- rear roller axis；5- bridge shaft；6- middle roller axis；7- front roller axis；The first front axle of 8-；Before 11- second Axis；The first driving gear of 411-；The second driven gear of 421-；The first driven gear of 611-；The second driving gear of 621-；81- One master gear；The first pinion of 711-；The second master gear of 111-；The second pinion of 721-；P₄Rear top roller；P₆Middle upper leather roller； P₇Anterior epithelium cornea roller；Q₁Upper leather ring；Q₂Lower apron；Z₁Upper pin；Z₂Lower pin.

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

Embodiment 1

As shown in Figure 1-3, a kind of triple channel hollow spindle fancy type yarn forming device provided in this embodiment, comprising: be used for First component yarn Y₁By first passage A₁B₁C₁D₁D₂E, it is used for the second component yarn Y₂By second channel A₂B₂C₂D₁D₂E、 For third component yarn X₁By third channel R₁C₃D₁D₂E。

The first rear roller 41, the first middle roller 61, first the 71, first twisted point of front roller are disposed on first passage D₁With the second twisted point D₂；The second rear roller 42, the second middle roller 62, the second front roller 72, are disposed on second channel One twisted point D₁With the second twisted point D₂；Rear roller, middle roller on first passage and second channel and region is between front roller Draft area.It is disposed on third channel and draws roller R₁, third front roller 73, first be twisted together point D₁With the second twisted point D₂； Interaction, which is formed, between the twisted point of first front roller, the second front roller, third front roller and first twines twirl trigonum；First preceding sieve Drawing, the second front roller, third front roller independently move, and corresponding component yarn is introduced interaction respectively and twines twirl trigonum；The A kind of or several yarn is directed to after the interaction twines and twist trigonum in one component yarn, the second component yarn and/or third component Fancy yarn main body is formed after being twined twirl；Described second twisted point D₂Place is provided with hollow spindle R₂, fancy yarn main body is across the sky Heart spindle R₂, hollow spindle R₂It quickly rotates, the 4th component yarn G on hollow spindle₁It crosses and with the fancy yarn main body to flower Formula yarn main body is coated.

In addition, the present embodiment further includes long filament bobbin and scroll tube, long filament bobbin cup is on hollow spindle and with hollow Spindle rotates synchronously, and the 4th component yarn reel is wound on the long filament bobbin.And scroll tube applies twisting power to fancy yarn main body, into And it realizes and is coated while fancy yarn main body is twisted by the 4th component yarn.

Wherein, the first rear roller 41 and the second rear roller are 42 concentric, can relatively rotate setting in the circumferential；Sieve in first Draw 61 and second middle roller it is 62 concentric, setting can be relatively rotated in the circumferential；First front roller 71, the second front roller 72 and Three front rollers are 73 concentric, can relatively rotate setting in the circumferential；First component yarn, the second component yarn and third component yarn are through One twisted point D₁Interaction forms fancy yarn main body after twining twirl；Through the second twisted point D₂, the 4th component yarn wraps fancy yarn main body It covers to be twisted together and forms flame.

The first front roller 71, the second front roller 72 are identical with the outer diameter of third front roller 73 in the present embodiment.The One component yarn Y₁For rove, first passage includes draft area A₁B₁C₁It is twined with interaction and twists trigonum C₁C₃C₂D₁D₂E, the second component yarn Y₂For rove, second channel includes draft area A₂B₂C₂It is twined with interaction and twists trigonum C₁C₃C₂D₁D₂E, third component yarn X₁For heart yarn, Heart yarn is by drawing roller R₁, third front roller 73 traction and be introduced into the interactive area Chan Nian C₁C₃C₂D₁D₂E；4th component yarn G₁For solid yarn, Gu yarn passes through hollow spindle R₂Lead to the second twisted point D₂, by the second twisted point D₂, twirl is twined with decorative yarn heart yarn Yarn crosses and coats to it.

The present invention breaks through technical bottleneck of the hollow ingot spinning in terms of fancy yarn forming, implements alternation by one-step method and leads It stretches, interact and twine twirl and cladding process, realize the one-step method spinning of flame (containing heart yarn, decorative yarn and solidus), lead to simultaneously The line density and blending ratio, the twist for regulating and controlling heart yarn for crossing regulation decorative yarn, regulate and control the technological means such as the switching of heart yarn and decorative yarn and realize The online variation of flame ring, big tripe, knot, circle circle, the color of plait and form, expands out the new product of flame Kind.

It is connected between first rear roller 41 and the first middle roller 61 by the first driving gear set, the first driving gear set is used Draw ratio between the first middle roller 61 of holding and the first rear roller 41 is constant and is not more than 1.4；Second rear roller 42 and It is connected between two middle rollers 62 by the second driving gear set, the second driving gear set is for keeping the second middle roller 62 and second Draw ratio between rear roller 42 is constant and is not more than 1.4.

Wherein, it is respectively corresponded above each rear roller, middle roller and front roller and is provided with rear top roller P₄, middle upper leather roller P₆ With anterior epithelium cornea roller P₇, the roller cooperation of upper leather roller and lower section is for clamping yarn.

Wherein preferably, on the same channel in first passage and second channel, middle epithelium is provided with above middle roller Roller P₆, yarn forming device further includes covering in middle upper leather roller P₆With upper pin Z₁Upper leather ring that is upper and being moved synchronously with middle roller holding Q₁, cover in middle roller and lower pin Z₂Lower apron Q that is upper and being moved synchronously with middle roller holding₂；Upper leather ring Q₁With lower apron Q₂Hold Distance of the jaw apart from front roller nip line is held less than 3mm.

Second level drawing-off e_qFor dynamic dominant draft, the speed of middle roller is variation with respect to front roller, when first passage or The blending ratio K=0% of a component yarn in second channel, the second level draw ratio e of the channel yarn_qWhen=∞, this is logical Road yarn forms drawing-off singular point, the distance between the drawing-off singular point and front roller nip δ≤3mm in the second draft area.When K gradually When increase, with the synchronous averaging of rear roller and middle roller, the yarn held by upper and lower apron is instantaneously fed front roller nip Second level drawing-off is carried out, therefore the drawing-off singular point for being located at second level draft area will not influence the stability of spinning.

Experiment statistics prove that end breakage rate of the yarn in the first draft area is zero, and the unstable point of thickness mutation occurs general Rate has dropped 71% than the prior art, meanwhile, end breakage rate of the yarn in the second draft area declines 41%, thickness mutation it is unstable The likelihood ratio prior art that point occurs has dropped 38%.

As shown in figs. 1 and 3, the present embodiment further includes rear roller axis 4, middle roller axis 6, front roller axis 7,8 and of the first front axle Second front axle 11；In the circumferential direction of rear roller axis 4, the first rear roller 41 is sleeved on rear roller relatively fixedly by way of key On axis 4, the second rear roller 42 is rotatably sleeved on rear roller axis 4 by bearing mode；In the circumferential direction of middle roller axis 6 On, the first middle roller 61 is rotatably sleeved on middle roller axis 6, and the second middle roller 62 is sleeved on middle sieve relatively fixedly On pulling shaft 6；In the circumferential direction of front roller axis 7, the first front roller 71 and the second front roller 72 are rotatably sleeved on preceding sieve On pulling shaft 7, third front roller 73 is sleeved on relatively fixedly on front roller axis 7；Pass through rear roller axis 4, middle roller axis 6 and preceding sieve Pulling shaft 7 can regulate and control the feeding speed of the first component yarn, the second component yarn and third component yarn respectively.

First front axle 8 is connect by first gear transmission with the first front roller 71, and the second front axle 11 passes through second gear Transmission is connect with the second front roller 72, can regulate and control the first front roller 71 and respectively by the first front axle 8 and the second front axle 11 The revolving speed of two front rollers 72.

First driving gear set includes the first driving gear 411, the first carrier gear 51 and first of successively engaged transmission Driven gear 611；First driving gear 411 with the first rear roller 41 is concentric is fixedly connected, the first driven gear 611 and first Middle roller 61 is concentric to be fixedly connected；Second driving gear set include successively engaged transmission the second driving gear 621, the second mistake Axle gear 52 and the second driven gear 421；Second driving gear 621 with the second middle roller 62 is concentric is fixedly connected, the second quilt Moving gear 421 with the second rear roller 42 is concentric is fixedly connected.Wherein, the first carrier gear 51 and the second carrier gear 52 difference Through bearing loop on bridge shaft 5.

First gear transmission includes: the first master gear 81 and the first pinion 711 of intermeshing transmission, the first main tooth Wheel 81 is fixedly set on the first front axle 8, the first pinion 711 with the first front roller 71 is concentric is fixedly connected；Second gear Transmission includes: the second master gear 111 and the second pinion 721 of intermeshing transmission, and the second master gear 111 is fixedly set in On second front axle 11, the second pinion 721 with the second front roller 72 is concentric is fixedly connected.

As shown in figure 4, the present embodiment further includes control system and servo drive system；Servo drive system includes that servo is driven Dynamic device and servo motor；Control system includes controller (preferably PLC programmable controller) and speed probe；Controller according to It is secondary to be connect by servo-driver with servo motor.

Servo motor includes: for driving the first servo motor of the rotation of rear roller axis 4, for driving 6 turns of middle roller axis Dynamic the second servo motor, the third servo motor for driving the first front axle 8, the 4th servo for driving the second front axle 11 Motor, the 5th servo motor for driving front roller axis 7 to rotate, and for driving hollow spindle R₂The spindle electricity of rotation Machine；

Speed probe includes: for being respectively used to monitoring rear roller axis 4, middle roller axis 6, the first front axle 8, the second front axle 11 and 7 revolving speed of front roller axis first sensor, second sensor, 3rd sensor, the 4th sensor and the 5th sensor, use In monitoring hollow spindle R₂The spindle sensor of revolving speed, and the scroll tube sensor of control scroll tube.

Controller in the present invention passes sequentially through the feeding speed of servo-driver Yu four component yarns of Serve Motor Control, The practical feeding speed of four component yarns of speed probe real-time monitoring, and monitor value is fed back into controller, controller can The size that signal is controlled on four yarn paths is adjusted according to monitor value.

In addition, resistance twist roller can also be arranged above shape tube；First front roller 71, the second front roller 72 and preceding sieve of third 73 tops are drawn to be respectively arranged with an anterior epithelium cornea roller, resistance twist roller is followed by anterior epithelium cornea roller by resistance twist driving gear set and turns in the same direction It is dynamic.Resistance twist driving gear set (not shown) includes resistance twist driving gear, resistance twist carrier gear and the resistance twist quilt of successively engaged transmission Moving gear；Resistance twist driving gear with anterior epithelium cornea roller is concentric is fixedly connected, resistance twist driven gear and the concentric fixation of resistance twist roller Connection.Wherein, the transmission ratio of resistance twist driving gear set is 0.741-0.909.And then it realizes between resistance twist roller and anterior epithelium cornea roller Draft ratio is 1.1-1.35, improves strand integrated composite effect by micro- draft ratio of Nesting Zone, is further promoted fine in yarn The degree of stretching and the degree of orientation of dimension.

When spinning, the spinning of various flames is as follows:

1, ornamental thread, core wire, solidus one-step method are twisted together the spinning of molding hollow spindle fancy type yarn

In the twist triangle zone of the first twisted point, three coaxially with the front roller of outer diameter different rotating speeds export respectively two-way without Twist yarn item and all the way spun yarn (or long filament), the twisted main body for forming fancy yarn of interaction under twisting power effect；It is twisted second Point coat being twisted together by the main body of the third road spun yarn (or long filament) and formed fancy yarn that export forms flame, Realize the spinning of ornamental thread, core wire, solidus one-step method hollow spindle fancy type yarn.

2, the spinning for the flame that looping structure changes online

By regulating and controlling the speed of rear roller, middle roller and three front rollers online, input decorative yarn and heart yarn point can be cooperateed with Clad structure flame single Fang Zhi not be twisted, hands over to twist clad structure flame and twine and twists clad structure flame；

Two non-twist yarns or yarn are respectively through two in the first passage, the second channel and the third channel A channel is introduced into the interaction and twines twirl trigonum, and after the described first twisted point is by the twisting of non-constant speed, in the second twisted point It is coated to be formed to hand over by the 4th component yarn (Gu yarn) and twists clad structure flame；

(1) single to twist the spinning for coating flame:

In apparatus of the present invention, first to corresponding the first to three front roller of triple channel, due to rove Y₁(i.e. the first component yarn) It is exported after first passage alternation drawing-off by the first front roller, yarn X₁(i.e. third component yarn) is through third channel by preceding sieve of third Draw output, rove Y₂(i.e. the second component yarn) is exported after second channel alternation drawing-off by the second front roller.At this point, output yarn Single twirl is completed in the first twisted point, in the solidus G that the second twisted point is exported by hollow spindle₁Cladding forms single fancy for twisting cladding Yarn texture.

Such as the non-twist yarn after first passage drawing-off the first twisted point complete it is single twist, in the second twisted point by (the Four component yarns) solidus G₁Cladding forms single flame for twisting clad structure.(Y can be formed in this manner₁+G₁)、(Y₂+G₁)、 (X₁+G₁) etc. three kinds of single fancy yarns for twisting clad structure.Design parameter is provided that

①V_h(t) ≠ 0, V_q1(t) ≠ 0, V_z(t)=V_q2(t)=V_q3(t)=0, then rove Y₁It is non-twist through channel first drawing-off Single twirl is completed in the first twisted point after sliver, is hardwired G in the second twisted point₁Cladding forms single fancy yarn for twisting clad structure Line；

②V_z(t) ≠ 0, V_q2(t) ≠ 0, V_h(t)=V_q1(t)=V_q3(t)=0, then rove Y₂It is nothing through second channel drawing-off Single twirl is completed in the first twisted point after twist yarn item, is hardwired G in the second twisted point₁Cladding forms single fancy yarn for twisting clad structure Line；

③V_q3(t) ≠ 0, V_h(t)=V_q1(t)=V_h(t)=V_q2(t)=V_q3(t)=0, then heart yarn X₁In the first twisted point Single twirl is completed, is hardwired G in the second twisted point₁Cladding forms single flame for twisting clad structure；

(2) the spinning for twisting clad structure flame is handed over:

The friendship of so-called fancy yarn twists clad structure and refers to that two non-twist yarns (or yarn) are twisted in the first twisted point constant speed, Second twisted point is formed by fancy yarn structure by solid yarn cladding.In apparatus of the present invention, first to triple channel corresponding the first to three Front roller, due to rove Y₁It is exported after first passage alternation drawing-off by the first front roller, yarn X₁Through third channel by third before Roller output, rove Y₂It is exported after second channel alternation drawing-off by the second front roller.At this point, by two of them front roller constant speed It exports two root items to be twisted together in the first twisted point, is hardwired G in the second twisted point₁Cladding forms the fancy yarn handed over and twist cladding Cable architecture.[(Y can be formed in this manner₁+Y₂)+G₁]、[(Y₁+X₁)+G₁]、[(Y₂+X₁)+G₁]、[(Y₁+Y₂+X₁)+G₁] etc. four Kind hands over the fancy yarn for twisting clad structure.

(3) the spinning for twisting clad structure flame is twined:

The twirl clad structure that twines of so-called fancy yarn refers to that three or more non-twist yarns (or yarn) are non-etc. in the first twisted point Speed is twisted, is formed by fancy yarn structure by solid yarn cladding in the second twisted point.Rove Y₁After first passage alternation drawing-off by The output of first front roller, yarn X₁It is exported through third channel by third front roller, rove Y₂By after second channel alternation drawing-off The output of two front rollers.At this point, by the non-equispeed output of three front rollers three or more non-twist yarns (or yarn) in the first twisted point It is twisted to carry out non-constant speed, is hardwired G in the second twisted point₁Cladding forms the flame structure for twining and twisting cladding.In this manner (Y can be formed₁+X₁+Y₂+G₁) etc. it is a kind of twine twist clad structure fancy yarn.

3, the spinning for the flame that form changes online

By regulating and controlling the speed of rear roller, middle roller and three front rollers online, decorative yarn and heart yarn combination die may be implemented The online variation of formula, the online variation of the flower pattern integrated modes such as knot, plait, circle circle, the flower pattern size such as knot, plait, circle circle Online variation, the online variation of the flower pattern color such as knot, plait, circle circle, the changeable combination flame of spinning mode of appearance.

(1) the spinning for the flame that decorative yarn and heart yarn integrated mode change online

First component yarn, the second component yarn and third component yarn respectively by the first front roller, the second front roller and third before Roller introduces the interaction and twines twirl trigonum, and wherein the minimum component yarn (yarn) of front roller speed is the heart yarn of fancy yarn, preceding The higher component yarn of roller speed is the decorative yarn of fancy yarn, passes through the first component of on-line tuning yarn, the second component yarn and/or third The front roller feed speed of component yarn realizes the online variation of decorative yarn and heart yarn integrated mode in fancy yarn.

For example, rove Y₁、Y₂Through first and two after channel alternating drawing-off point by first and two front rollers, with V_q1(t)、V_q2 (t) it exports, yarn X₁By third front roller with V_q3(t) it exports.The minimum yarn of general front roller speed can become fancy yarn Heart yarn, the relatively high yarn of speed can become the decorative yarn of fancy yarn.Work as V_q1(t) when minimum, Y₁For heart yarn, X₁And Y₃For decorative yarn； Work as V_q2(t) when minimum, Y₂For heart yarn, Y₁And X₁) it is decorative yarn；Work as V_q3(t) when minimum, X₁For heart yarn, Y₁And Y₂For decorative yarn.Therefore, Regulate and control V by PLC_q1(t)、V_q2(t)、V_q3(t) the online variation of decorative yarn Yu heart yarn integrated mode may be implemented.

(2) the spinning for the flame that the flower pattern combination such as knot, plait, circle circle changes online

If the speed of first front roller, the second front roller and third front roller is respectively V_q1、V_q2And V_q3, by Line regulates and controls V_q1、V_q2And/or V_q3, not keeping rear roller revolving speed on first passage and second channel and middle roller revolving speed not etc. and (i.e. V under conditions of being not zero_h(t)≠V_z(t) ≠ 0 V), is regulated and controled by controller_q1(t):V_q2(t):V_q3(t) ratio, can Realize the online variation of a variety of flower pattern combinations on fancy yarn.

The flower pattern includes but is not limited to knot, plait, circle circle etc..

1. working as V_q1(t):V_q2(t):V_q3(t)=(1.15-1.3): (1.15-1.3): when 1, the first component yarn and second group Part yarn (decorative yarn Y₁+Y₂) interaction twine twirl and kink in third component yarn (heart yarn X₁) on and form knot；

(3) the spinning for the flame that the flower pattern size such as knot, plait, circle circle changes online

The flower pattern sizes such as flame knot, plait, circle circle depend on thickness, the twist and the decorative yarn phase of decorative yarn and heart yarn To the overfeeding speed of heart yarn.When knot forms, the big fancy yarn of the thick twist of decorative yarn is turned round compared with the small fancy yarn of the thin twist of decorative yarn It is big to tie molding knot；When circle circle molding, the big overfeeding of the thick twist of the decorative yarn twist thinner than big fancy yarn and decorative yarn is small to be fed than small Fancy yarn is big compared to molding circle circle of twisting together；When plait forms, the big overfeeding of the thick twist of decorative yarn is carefully twisted than big fancy yarn with decorative yarn Spend it is small feed it is longer compared to the molding plait twisted together than small fancy yarn.

By regulating and controlling the middle roller speed V in the first passage and/or second channel online_z(t) and the speed of rear roller Spend V_h(t), and then change the line density of the first component yarn and/or the second component yarn, and/or, by regulating and controlling preceding sieve of third online The speed V of drawing_q3(t), so that the online variation of flower pattern size on flame can be realized.

The online variation of flower pattern size specifically includes on flame:

1. the regulation of fancy yarn knot size

2. the regulation of fancy yarn circle circle size

3. the regulation of fancy yarn plait length

The revolving speed V of online regulation third front roller_q3(t) relative to the first front roller speed V_q1(t) and the second front roller is fast Spend V_q2(t) overfeed ratio, i.e., online regulation decorative yarn linear velocity with respect to heart yarn linear velocity overfeed ratio, overfeed ratio greatly then plait length, The small then plait of overfeed ratio is short, is achieved in the length of online regulation molding fancy yarn plait；

(4) the spinning for the flame that the flower pattern color such as knot, plait, circle circle changes online

The flower pattern colors such as flame knot, plait, circle circle depend on the variation of the colour mixture ratio of decorative yarn.If as decorative yarn Rove Y₁、Y₂Using colored rove, two kinds of colors can be arbitrarily selected from the seven color rove such as red, orange, yellow, green, blue, blue, purple Rove.

The first component yarn and the second component yarn are respectively that the line of colored rove, the first component yarn and the second component yarn is close Degree is respectively ρ₁、ρ₂, then the blending ratio K of the first component yarn and the second component yarn_s1(t)、K_s2(t) as follows respectively:

4, the spinning for the flame that color changes online

Regulate and control the speed of rear roller and middle roller and three front rollers on first passage and/or second channel by PLC Degree, can regulate and control the looping structure and its cladding ratio of fancy yarn each component, and thus the color of regulation fancy yarn changes online online.

Flame is formed by heart yarn, decorative yarn, the solid mutual looping of yarn, when looping structure, cladding ratio change online When, the color of flame can occur to change online.According to formula (6) (7) (8) (9) (10), if fed during being twisted together twice The four sliver ρ entered₁、ρ₂、ρ_x、ρ_gThe colors such as respectively red, yellow, blue, black, then by changing cladding ratio, that is, controllable fancy yarn Color.If the cladding ratio of fancy yarn is K_h1(t)、K_h2(t)、K_h3(t)、K_h4(t), the line density of fancy yarn is ρ_hy(t), then lead to Cross PLC regulation servo motor and with V_h(t)、V_z(t)、V_q1(t)、V_q2(t)、V_q3(t)、V_R1(t) speed drives, and meets it such as Lower formula:

V_h(t)=K_h1(t)*ρ_hy(t)/ρ₁ (13)

V_z(t)=C*K_h2(t)*ρ_hy(t)/ρ₂ (14)

V_f(t)=K_h3(t)*ρ_hy(t)/ρ₃ (15)

V_R1(t)=K_h4(t)*ρ_hy(t)/ρ_X (16)

It follows that regulating and controlling the speed of rear roller, middle roller and three front rollers by PLC, fancy yarn can be regulated and controled The looping structure and its cladding ratio of each component, thus the color of regulation fancy yarn changes online online.

It is provided by the invention a kind of using above-mentioned triple channel hollow spindle fancy type yarn forming device, there are three tunnels by building The hollow ingot spinning yarn system of yarn channel and two twisted points, in first twisted point (the first twisted point D₁Place) it is coaxial by three And the front roller of different rotating speeds exports the non-twist sliver of two-way respectively and spun yarn (or long filament) is completed to hand in twist triangle zone all the way It is mutually twisted together and is formed fancy yarn main body, in second twisted point (the second twisted point D₂Place) it is (or long by the third road spun yarn exported Silk) coat with formed fancy yarn main body twisted, flame of the formation comprising decorative yarn, heart yarn and solid yarn, realization decorations Line, core wire, solidus one-step method hollow spindle fancy type yarn spinning；

In addition, there is spinning list to twist cladding, hand over by the velocity variations of regulation rear roller, middle roller and three front rollers It twists cladding and twines the multiplets flames such as twirl cladding；And the speed by regulation rear roller, middle roller and three front rollers Degree variation, the online combination for changing decorative yarn and heart yarn change the combination of the flower pattern such as knot, plait, circle circle, online variation knot online The size of the flower pattern such as son, plait, circle circle, changes the color of the flower pattern such as knot, plait, circle circle online, and spinning mode of appearance is changeable Combination flame；Finally, regulating and controlling core wire, ornamental thread by the velocity variations of regulation rear roller, middle roller and three front rollers And the cladding ratio of solidus, the colored fancy yarn that spinning color changes online, production efficiency greatly improve.

Embodiment 2

The present embodiment and 1 structure of embodiment are essentially identical, the difference is that:

As shown in figure 5, control system further includes the first comparison module and the second comparison module, the first comparison module respectively with First sensor, second sensor and controller connection, the first comparison module for monitor middle roller axis and rear roller axis it Between rotating ratio, the numerical value regulation middle roller axis or rear roller axis revolving speed that controller is fed back according to the first comparison module, and then adjust Control the blending ratio of the first component yarn and the second component yarn.

Accurately and quickly to realize yarn than the numerical value that regulation, the present invention are directly fed back according to the first comparison module Regulated and controled, even if since various source of errors cause middle roller axis 6 and 4 revolving speed of rear roller axis to exceed setting error model respectively It encloses, as long as guaranteeing the middle roller axis 6 and 4 revolving speed ratio of rear roller axis (i.e. the second component yarn and first of the first comparison module feedback The feeding speed ratio of component yarn) setting error range in, can continue production without additionally adjust middle roller axis 6 with The actual speed of rear roller axis 4.Compared with prior art, it needs to monitor the multiple parameters such as middle roller and rear roller simultaneously to compare, this Invention only needs to monitor a parameter, relaxes middle roller and rear roller control accuracy, increases the redundancy of system control, and dashes forward The importance of different channel top roller revolving speed ratios is gone out, the workload of controller processing also greatly improves while substantially reducing The blending ratio of yarn controls precision, in addition, avoiding the shutdown or adjustment time in production process, the production efficiency of equipment mentions It is high by 30% or more.

Second comparison module is connect with 3rd sensor, the 4th sensor, the 5th sensor and controller respectively, and second Comparison module is for monitoring rotating ratio between three front rollers, the numerical value regulation first that controller is fed back according to the second comparison module Front axle, the second front axle or front roller axis, and then regulate and control flower pattern combination and flower pattern size.

Further, the control accuracy for relaxing control system, increases the redundancy of system control, and highlights different logical The workload of the importance of front roller rotating ratio value on road, controller processing also substantially increases yarn while substantially reducing Blending ratio controls precision and improves the production efficiency of equipment in addition, avoiding the shutdown or adjustment time in production process.

Wherein comparison module can be the prior art, can be existing comparator or integrated comparison circuit, Huo Zhewei Existing comparison module in a software form in controller CUP.Forms of sensor is also very much, for example, can be photoelectric encoder or Hall revolution speed transducer etc..

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. triple channel hollow spindle fancy type yarn forming device characterized by comprising pass through for the first component yarn first logical Road, the second channel passed through for the second component yarn and the third channel passed through for third component yarn；

The first rear roller, the first middle roller, the first front roller, the first twisted point and second are disposed on the first passage Twisted point；The second rear roller, the second middle roller, the second front roller, described first twisted is disposed on the second channel Point and the described second twisted point；Rear roller, middle roller on first passage and second channel and between front roller region be drawing-off Area；

Third front roller, the first twisted point and the second twisted point are disposed on the third channel；Before first Interaction, which is formed, between the twisted point of roller, the second front roller, third front roller and first twines twirl trigonum；First front roller, Two front rollers, third front roller independently move, and corresponding component yarn is introduced interaction respectively and twines twirl trigonum；

A kind of or several yarn is directed to the interaction and twines twirl three in first component yarn, the second component yarn and/or third component Fancy yarn main body is formed after being twined twirl behind angular region；

It is provided with hollow spindle at described second twisted point, the fancy yarn main body passes through the hollow spindle, and hollow spindle is fast Speed rotates, and the 4th component yarn on hollow spindle crosses with the fancy yarn main body and coats to fancy yarn main body.

2. hollow spindle fancy type yarn forming device according to claim 1, which is characterized in that further include long filament bobbin, institute It states long filament bobbin cup to rotate synchronously on the hollow spindle and with hollow spindle, the 4th component yarn reel is wound on the length On silk bobbin.

3. hollow spindle fancy type yarn forming device according to claim 1, which is characterized in that first rear roller and institute It states and is connected between the first middle roller by the first driving gear set, the first driving gear set is for keeping the first middle roller and first Draw ratio between rear roller is constant and is not more than 1.4；

It is connected between second rear roller and second middle roller by the second driving gear set, the second driving gear set is used Draw ratio between the second middle roller of holding and the second rear roller is constant and is not more than 1.4.

4. hollow spindle fancy type yarn forming device according to claim 1, which is characterized in that further include rear roller axis, in Roller shaft and front roller axis；

In the circumferential direction of the rear roller axis, first rear roller is sleeved on relatively fixedly on the rear roller axis, described Second rear roller is rotatably sleeved on the rear roller axis；

In the circumferential direction of the middle roller axis, first middle roller is rotatably sleeved on the middle roller axis, institute The second middle roller is stated to be sleeved on relatively fixedly on the middle roller axis；

In the circumferential direction of the front roller axis, first front roller and the second front roller be rotatably sleeved on it is described before On roller shaft, the third front roller is sleeved on relatively fixedly on the front roller axis；

The first component yarn, described can be regulated and controled respectively by the rear roller axis, the middle roller axis and the front roller axis The feeding speed of second component yarn and third component yarn.

5. hollow spindle fancy type yarn forming device according to claim 4, which is characterized in that further include the first front axle and Two front axles, the first front axle are connect by first gear transmission with first front roller, and the second front axle is passed by second gear Dynamic pair is connect with second front roller, can regulate and control the first front roller and second respectively by first front axle and the second front axle The revolving speed of front roller.

6. hollow spindle fancy type yarn forming device according to claim 3, which is characterized in that first driving gear set The first driving gear, the first carrier gear and the first driven gear including successively engaged transmission；First driving gear with it is described First rear roller is concentric to be fixedly connected, first driven gear with first middle roller is concentric is fixedly connected；

Second driving gear set includes the second driving gear, the second carrier gear and the second passive tooth of successively engaged transmission Wheel；Second driving gear with second middle roller is concentric is fixedly connected, sieve after second driven gear and described second Draw concentric be fixedly connected.

7. hollow spindle fancy type yarn forming device according to claim 5, which is characterized in that the first gear transmission It include: the first master gear and the first pinion of intermeshing transmission, the first master gear is fixedly set on first front axle, First pinion with first front roller is concentric is fixedly connected；

The second gear transmission includes: the second master gear and the second pinion of intermeshing transmission, and the second master gear is solid Surely be sleeved on second front axle, the second pinion with second front roller is concentric is fixedly connected.

8. hollow spindle fancy type yarn forming device according to claim 6, which is characterized in that it further include bridge shaft, it is described First carrier gear and the second carrier gear loop are on the bridge shaft.

9. hollow spindle fancy type yarn forming device according to claim 1, which is characterized in that first front roller, Two front rollers are identical with the outer diameter of third front roller.

10. a kind of flame using any one of the claim 1-9 triple channel hollow spindle fancy type yarn forming device at Type method.