CN109735977A

CN109735977A - Alternation drawing-off Five-channel spinning apparatus and the spinning method for genuine for becoming branch no-load voltage ratio change twisted yarn

Info

Publication number: CN109735977A
Application number: CN201910192330.8A
Authority: CN
Inventors: 徐志武; 薛元; 曾德军; 修身; 于健
Original assignee: Chaohu Youngor Color Spinning Technology Co Ltd; Jiangnan University
Current assignee: Chaohu Youngor Color Spinning Technology Co Ltd; Jiangnan University
Priority date: 2019-03-13
Filing date: 2019-03-14
Publication date: 2019-05-10
Anticipated expiration: 2039-03-14
Also published as: CN109735977B

Abstract

The present invention provides the spinning method for genuine that a kind of alternation drawing-off Five-channel spinning apparatus and change branch no-load voltage ratio become twisted yarn, spinning apparatus includes first passage, second channel, third channel, fourth lane and Five-channel, the relatively described front roller synchronous speed change of the middle roller and rear roller in same channel, the middle roller and rear roller in different channels replace speed change with respect to front roller, front roller generates velocity variations with respect to spindle, by the alternation twisting of alternation drawing-off and molding yarn to five groups of rove, the number variation, ratio variation and twist variation of molding yarn are realized.Present inventive concept is exquisite, greatly reduces the end breakage rate or singular point rate of yarn, draw twisting process is more stable, greatly reduces the labor intensity of worker.

Description

Alternation drawing-off Five-channel spinning apparatus and the spinning method for genuine for becoming branch no-load voltage ratio change twisted yarn

Technical field

The present invention relates to spinninging technical fields in Textile Engineering, more particularly, to a kind of alternation drawing-off Five-channel spinning apparatus And become the spinning method for genuine that branch no-load voltage ratio becomes twisted yarn.

Background technique

Fancy yarn, colour-spun yarns and the slub emerged in multitude in recent years, these yarns are compared with conventional yarn, main feature It is that dynamic change has occurred in structural parameters in spinning process.Traditional spinning equipment is difficult to adapt to fancy yarn, colour-spun yarns and slub Spinning process.The flexibility of Spinning process how is promoted, the yarn of structural parameters dynamic change is preferably processed, realizes spinning Flexible Manufacture have become the important topic for promoting spinning machine.

The flexibility of Spinning process system mainly includes three aspects: first is that can the color that form yarn in spinning process Arbitrarily change and produce whole chromatogram melange yarn? --- Yarn color Regulation Mechanism need to be constructed；Second is that forming yarn in spinning process Can fineness degree arbitrarily change? --- thickness of yarn degree Regulation Mechanism need to be constructed；Third is that forming the twist of yarn in spinning process Can change with fineness degree and be adjusted (twist factor is constant)?-twist Regulation Mechanism need to be constructed；Fourth is that the color of molding yarn, Can fineness degree, the twist arbitrarily change? --- the regulation machine of Yarn color, thickness and the twist in spinning forming process need to be constructed Reason.It solves these problems, is to realize intelligentized key link of spinning.

Problem Summary of the existing technology is as follows:

1, existing Siro-spinning technology, cannot regulate and control into thread density, blending ratio and the twist online；

Although 2, can change into thread density, control accurate is unable into thread density, blending ratio and the twist；

3, mainly regulate and control line density and blending ratio by adjusting the revolving speed of rear roller, when the blending ratio in a channel exists In 75% -100% range when variation, the blending ratio in another channel variation, back zone draw ratio in 25% -0% range (speed ratio i.e. between rear roller and middle roller) will change within the scope of 1.35-∞, thus cause the item of institute's yarn dry uniform Property greatly deteriorates, and is easily broken off.

In certain channel (such as second channel) blending ratio K₁When=0%, back zone draw ratio e_h1=∞, at this time behind the channel The speed of roller is zero, and in, front roller still keep original revolving speed, by middle roller hold faster fibres held with by rear roller The stationary fiber held separates to form drawing-off singular point, the drawing-off singular point for appearing in first break draft area is in being randomly dispersed in, rear roller it Between any point, the point is apart from 0≤δ of middle roller jaw distance≤L_h(L_hIn being equal to, the gauge of rear roller).Work as subsequent time When blending ratio is incremented by by 0%, middle roller jaw must be fed again by singular position by the rove head end that rear roller is held Can just back area draft be made to play a role.0≤δ of distance≤L due to drawing-off singular point apart from front roller nip_h, therefore rove head end quilt The time of feeding middle roller jaw there is uncertain factor, if cooperation is bad or generates thickness section or causes to spin Broken end makes binary channels spinning become a unstable process, influences the reliability and yarn quality of spinning.

Summary of the invention

The purpose of the present invention is to provide the spinnings that a kind of alternation drawing-off Five-channel spinning apparatus and change branch no-load voltage ratio become twisted yarn Method processed, to solve at least one technical problem existing in the prior art.

In order to solve the above technical problems, a kind of alternation drawing-off Five-channel spinning apparatus provided by the invention, comprising: for the First passage that one component rove passes through, the second channel passed through for the second component rove pass through for third component rove Third channel, the fourth lane passed through for the 4th component rove and the Five-channel passed through for the 5th component rove；

The first rear roller, the first middle roller and front roller, first rear roller are disposed on the first passage Between first middle roller by the first driving gear set connect, the first driving gear set for keep the first middle roller with Draw ratio (linear velocity ratio) between first rear roller is constant and is not more than 1.4；

The second rear roller, the second middle roller and the front roller are disposed on the second channel；After described second It is connected between roller and second middle roller by the second driving gear set, the second driving gear set is for keeping sieve in second It draws the draw ratio (linear velocity ratio) between the second rear roller constant and is not more than 1.4；

Third rear roller, third middle roller and the front roller are disposed on the third channel；After the third It is connected between roller and the third middle roller by third driving gear set, third driving gear set is for keeping sieve in third It draws the draw ratio (linear velocity ratio) between third rear roller constant and is not more than 1.4；

The 4th rear roller, the 4th middle roller and the front roller are disposed in the fourth lane；After described 4th It is connected between roller and the 4th middle roller by the 4th driving gear set, the 4th driving gear set is for keeping sieve in the 4th It draws the draw ratio (linear velocity ratio) between the 4th rear roller constant and is not more than 1.4；

The 5th rear roller, the 5th middle roller and the front roller are disposed on the Five-channel；After described 5th It is connected between roller and the 5th middle roller by the 5th driving gear set, the 5th driving gear set is for keeping sieve in the 5th It draws the draw ratio (linear velocity ratio) between the 5th rear roller constant and is not more than 1.4；

The relatively described front roller synchronous speed change of the middle roller and rear roller in same channel, the middle roller in different channels and rear sieve Draw opposite front roller to replace speed change, front roller with respect to spindle generation velocity variations, by alternation drawing-off to five groups of rove and at The alternation of type yarn is twisted, and realizes the number variation, ratio variation and twist variation of molding yarn.

In the present invention, level-one drafting unit (i.e. the first draft area or back zone) is formed between middle roller and rear roller, preceding sieve Draw and middle roller constitute second level drafting unit (i.e. the second draft area or proparea), in same channel, rear roller speed ratio it is constant and Less than 1.4, and opposite front roller synchronous speed change, in different channels, rear roller with respect to front roller replace speed change, realization is to three The alternation drawing-off of group rove.Second level drawing-off e_qFor dynamic dominant draft, the speed of middle roller is variation with respect to front roller.

Particularly important, level-one drawing-off is preliminary draft, level-one draw ratio e_hIt is permanent drawing-off for constant C, level-one drawing-off Draw ratio e_h=C≤1.4, it is ensured that the continuity of rove will not generate drawing-off singular point in the first draft area.Meanwhile preliminary draft Process can make rove internal fiber stretch tensioning and orientation, so that the preparation slid during carrying out dominant draft, reduces master and lead End breakage rate or singular point rate during stretching.

Wherein preferably, it is provided with middle upper leather roller above the middle roller in each channel, the spinning apparatus also wraps It includes and covers on middle upper leather roller and upper pin and keep the upper leather ring moved synchronously with middle roller, cover on middle roller and lower pin and in Roller keeps the lower apron moved synchronously；Distance of the gripping jaw of upper leather ring and lower apron apart from front roller nip line is less than 3mm。

So that as the blending ratio K=0% of rove in a channel in five channels, the two of the channel rove Grade draw ratio e_qWhen=∞, which forms drawing-off singular point in the second draft area, and the drawing-off singular point and the front roller clamp The distance between mouth δ≤3mm, with the synchronous averaging of rear roller and middle roller, is held when K is incrementally increased by upper and lower apron Yarn by instantaneously feeding front roller nip carry out second level drawing-off, therefore be located at second level draft area drawing-off singular point will not influence spinning Stability.And the gauge of rear roller and middle roller is generally higher than 25mm in the prior art, the drawing-off in first draft area is odd Point position be randomly dispersed in, between rear roller, when drawing-off singular point is more than 3mm apart from middle roller jaw, drawing-off singular point is again The time for being fed to middle roller jaw there is uncertain factor, if cooperation is bad or generates thickness section or causes to spin Yarn breakage makes spinning become a unstable process, influences the reliability and yarn quality of spinning.

It further, further include rear roller axis and middle roller axis；In the circumferential direction of the rear roller axis, sieve after described first Drawing is sleeved on relatively fixedly on the rear roller axis, after second rear roller, third rear roller, the 4th rear roller and the 5th Roller is rotatably sleeved on the rear roller axis；

In the circumferential direction of the middle roller axis, second middle roller is sleeved on relatively fixedly on the middle roller axis, First middle roller, the third middle roller, the 4th middle roller and the 5th middle roller are rotatably set with On the middle roller axis；

The rear roller axis and the middle roller axis for regulating and controlling the first component rove and second component respectively Feeding (feeding) speed of rove.

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；

The third driving gear set includes third driving gear, third carrier gear and the third quilt of successively engaged transmission Moving gear；Third driving gear with the third middle roller is concentric is fixedly connected, the third driven gear and the third Rear roller is concentric to be fixedly connected；

4th driving gear set includes the 4th driving gear, the 4th carrier gear and the 4th quilt of successively engaged transmission Moving gear；4th driving gear with the 4th middle roller is concentric is fixedly connected, the 4th driven gear and the described 4th Rear roller is concentric to be fixedly connected；

5th driving gear set includes the 5th driving gear, the 5th carrier gear and the 5th quilt of successively engaged transmission Moving gear；5th driving gear with the 5th middle roller is concentric is fixedly connected, the 5th driven gear and the described 5th Rear roller is concentric to be fixedly connected.

It further, further include the first asessory shaft；

In the circumferential, the third carrier gear is sleeved on relatively fixedly on first asessory shaft；First mistake Rotatably loop is assisted described first for axle gear, the second carrier gear, the 4th carrier gear and the 5th carrier gear On axis.

Further, further include respectively with first asessory shaft the second asessory shaft disposed in parallel and third asessory shaft, Fixing sleeve is equipped with the transmission gear with the 4th carrier gear engaged transmission on second asessory shaft；Fixing sleeve on third asessory shaft Equipped with the transmission gear with the 5th carrier gear engaged transmission.

It can be controlled respectively by rear roller axis, middle roller axis, the first asessory shaft, the second asessory shaft and third asessory shaft as a result, Make the feeding speed of the first component rove, the second component rove, third component rove, the 4th component rove and the 5th component rove Degree.

Specifically, first rear roller, the first middle roller, the second rear roller, the second middle roller, third rear roller, Third middle roller, the 4th rear roller, the 4th middle roller, the 5th rear roller and the 5th middle roller are nested type roller；After first Roller is by the way that on the fixed suit rear roller axis of key, the second rear roller, third rear roller, the 4th rear roller and the 5th rear roller can turn Dynamic ground loop is on the rear roller axis；

Second middle roller by the fixed suit middle roller axis of key, the first middle roller, third middle roller, the 4th middle roller and 5th middle roller rotationally loop on the middle roller axis；The third carrier gear is fixedly set in described by key On one asessory shaft；First carrier gear, the second carrier gear, the 4th carrier gear and the 5th carrier gear are rotationally lived It covers on first asessory shaft.

Certainly, the driving method of the rear roller on different channels and middle roller is not limited to aforesaid way, such as each logical Apron of the setting for belt transmission on rear roller or middle roller on road, apron are connected by belt gear and servo motor It connects；Alternatively, transmission gear structure is separately arranged on rear roller or middle roller on each channel, pass through deceleration mechanism afterwards It is connect with servo motor.For another example, the first asessory shaft, the second asessory shaft and third asessory shaft concentric can be also arranged, and third is passed a bridge Gear, the 4th carrier gear and the 5th carrier gear are fixedly set in the first asessory shaft, the second asessory shaft and third auxiliary respectively On axis, third component rove, the 4th component can be directly controlled by the first asessory shaft, the second asessory shaft and third asessory shaft respectively The feeding speed of rove and the 5th component rove.

Further, first rear roller, the first middle roller, the second rear roller, the second middle roller, third rear roller, It is respectively corresponded above third middle roller, the 4th rear roller, the 4th middle roller and front roller and is provided with upper leather roller, upper leather roller is under The roller of side 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 asessory shaft rotation, for driving 4th servo motor of second asessory shaft rotation, the 5th servo motor for driving the third asessory shaft rotation and For driving the preceding servo motor of the front roller rotation；

The speed probe include: for monitoring the first sensor of the rear roller axis revolving speed, it is described for monitoring It is the second sensor of middle roller axis revolving speed, the 3rd sensor for monitoring the first asessory shaft revolving speed, described for monitoring 4th sensor of the second asessory shaft revolving speed, the 5th sensor for monitoring the third asessory shaft revolving speed and for monitoring The front sensor of the front roller revolving speed.

Controller in the present invention passes sequentially through five groups on servo-driver and five yarn paths of Serve Motor Control The feeding speed of part rove, five groups of practical feeding speed of rove 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 five yarn paths according to monitor value.

It further, further include twisting mechanism, the twisting mechanism further includes shape tube and grid ring；First component is thick Yarn, the second component rove, third component rove, the 4th component rove and the 5th component rove five roots article after front roller It is agglomerated into a root item by the slot that gathers of shape tube, then forms yarn through the twisting of ring ingot, winding.

Further, the twisting mechanism includes ring rail and spindle；

Controller by the rotation of ring rail described in servo-driver and Serve Motor Control, controller by frequency converter with Alternating current generator is connect with spindle；It and further include the 6th sensor for monitoring the spindle revolving speed.

It further, further include the resistance twist roller being arranged in above shape tube；Anterior epithelium cornea is provided with above the front roller Roller, resistance twist roller are followed by the anterior epithelium cornea roller by the 6th driving gear set and rotate in same direction.

Further, the 6th driving gear set includes the 6th driving gear, the 6th gap bridge tooth of successively engaged transmission Wheel and the 6th driven gear；6th driving gear with the anterior epithelium cornea roller is concentric is fixedly connected, the 6th driven gear with The resistance twist roller is concentric to be fixedly connected.

Wherein, the transmission ratio of the 6th driving gear set is 0.741-0.909, and then realizes the resistance twist roller with before Draft ratio is 1.1-1.35 between upper leather roller, improves strand integrated composite effect by micro- draft ratio of Nesting Zone, further mentions Rise the degree of stretching and the degree of orientation of fiber in yarn.

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, 3rd sensor, the 4th sensor, the 5th sensor and controller connection, described the One comparison module is for monitoring the middle roller axis, the rear roller axis, first asessory shaft, second asessory shaft and institute Rotating ratio between third asessory shaft is stated, the controller regulates and controls the middle roller according to the numerical value that first comparison module is fed back One or several revolving speed in axis, the rear roller axis, the first asessory shaft, the second asessory shaft and third asessory shaft, in turn Regulate and control the mixed of the first component rove, the second component rove, third component rove, the 4th component rove and the 5th component rove Spin ratio.

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 lead to middle roller axis, rear roller axis, the first asessory shaft, the second asessory shaft or Three asessory shaft revolving speeds exceed setting error range respectively, if guarantee the first comparison module feedback rear roller axis, middle roller axis, First asessory shaft, the second asessory shaft and third asessory shaft revolving speed ratio (i.e. the first component rove, the second component rove, The feeding speed ratio of third component rove, the 4th component rove and the 5th component rove) in setting error range, Ji Keji The continuous reality produced without additionally adjusting rear roller axis, middle roller axis, the first asessory shaft, the second asessory shaft or third asessory shaft Border revolving speed.Compared with prior art, it needs to monitor the middle roller in different channels simultaneously to compare with multiple parameters such as rear rollers, this hair Bright needs to monitor a parameter, relaxes middle roller and rear roller control accuracy, increases the redundancy of system control, and protrudes The workload of the importance of different channel top roller revolving speed ratios, controller processing also substantially increases 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 is improved 30% or more.

Further, the control system further includes the second comparison module, and second comparison module is respectively with described One sensor, front sensor are connected with the controller；

Second comparison module is used to monitor the rotating ratio between the rear roller axis and the front roller, and then monitors The draw ratio of the first component rove, the controller is according to numerical value regulation rear sieve that second comparison module is fed back Pulling shaft or the front roller revolving speed, and then regulate and control the draw ratio of the first component rove.

Further, the control system further includes third comparison module, and the third comparison module is respectively with described Two sensors, front sensor are connected with the controller；

The third comparison module is used to monitor the rotating ratio between the middle roller axis and the front roller, and then monitors The draw ratio of the second component rove, the controller regulate and control middle sieve according to the numerical value that the third comparison module is fed back Pulling shaft or the front roller revolving speed, and then regulate and control the draw ratio of the second component rove.

Further, the control system further includes the 4th comparison module, and the 4th comparison module is respectively with described Three sensors, front sensor are connected with the controller；

4th comparison module is used to monitor the rotating ratio between first asessory shaft and the front roller, Jin Erjian Survey the draw ratio of the third component rove, the controller is according to the numerical value regulation that the 4th comparison module is fed back described the One asessory shaft or the front roller revolving speed, and then regulate and control the draw ratio of the third component rove.

Further, the control system further includes the 5th comparison module, and the 5th comparison module is respectively with described Four sensors, front sensor are connected with the controller；

5th comparison module is used to monitor the rotating ratio between second asessory shaft and the front roller, Jin Erjian Survey the draw ratio of the 4th component rove, the controller is according to the numerical value regulation that the 5th comparison module is fed back described the Two asessory shafts or the front roller revolving speed, and then regulate and control the draw ratio of the 4th component rove.

Further, the control system further includes the 6th comparison module, and the 6th comparison module is respectively with described Five sensors, front sensor are connected with the controller；

6th comparison module is used to monitor the rotating ratio between the third asessory shaft and the front roller, Jin Erjian Survey the draw ratio of the 5th component rove, the controller is according to the numerical value regulation that the 6th comparison module is fed back described the Three asessory shafts or the front roller revolving speed, and then regulate and control the draw ratio of the 5th component rove.

Accurately and quickly to realize yarn than the numerical value that regulation, the present invention are directly fed back according to the second comparison module The draw ratio of first component rove is monitored, wherein even if since various source of errors lead to rear roller axis and front roller Revolving speed exceeds setting error range respectively, as long as guaranteeing that the rear roller axis of the second comparison module feedback and front roller revolving speed ratio exist It sets in error range, the actual speed produced without additionally adjusting rear roller axis and front roller can be continued.Controller The draw ratio of yarn and the control precision of line density are also substantially increased while the workload of processing substantially reduces.Third ratio Effect compared with module, the 4th comparison module, the 5th comparison module and the 6th comparison module is similar, repeats no more.

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..

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

A kind of alternation drawing-off Five-channel spinning apparatus provided by the invention, exquisite composition greatly reduce the broken end of yarn Rate or singular point rate, draw twisting process is more stable, greatly reduces the labor intensity of worker.

In addition, relying on PLC coordinated control asessory shaft, rear roller, middle roller with respect to the interaction variation of front roller speed, pass through Thickness of yarn and blending ratio change online to be realized to the alternation drawing-off of five root thickness yarns.Rely on PLC coordinated control front roller and spindle Speed interaction variation, is implemented as twist per unit and changes online.Thus spinning becomes branch, no-load voltage ratio, becomes the yarn twisted.

In addition, the invention also discloses the spinning method for genuine that a kind of change branch no-load voltage ratio becomes twisted yarn comprising Five-channel drawing-off system System, wherein in same channel, rear roller speed ratio it is constant and less than 1.4, in, rear roller is with respect to front roller synchronous speed change, preceding sieve It draws opposite spindle to generate velocity variations, is twisted by the alternation of alternation drawing-off and molding yarn to five groups of rove, realize molding Number variation, ratio variation and the twist variation of yarn.

The structural parameters of alternation formula drawing-off four-way numerical control spinning unit molding yarn in this implementation are introduced in detail below

If the line density of five root thickness yarns is respectively ρ₁、ρ₂、ρ₃、ρ₄、ρ₅.In alternation formula drawing-off numerical control spinning unit, preceding sieve Drawing, middle roller, rear roller, the first asessory shaft, the second asessory shaft and third asessory shaft speed be the function of time, use V respectively_q (t)、V_h(t)、V_z(t)、V_f1(t)、V_f2(t)、V_f3(t) it indicates, the line density of institute's yarn, the blended when twist be also the time Function use p respectively_y(t)、K₁(t)、K₂(t)、K₃(t)、K₄(t)、K₅(t)、T_w(t) it indicates.

1, the speed of each channel feeding rove

The corresponding five nested rear rollers in five channels are respectively by rear roller axis, middle roller axis, the first asessory shaft, second auxiliary Axis and third asessory shaft are helped, and its speed for feeding rove is respectively as follows: V_h(t)、V_z(t)/C、V_f1(t)、V_f2(t)、V_f3(t)。

2, each channel drafting multiple

As shown in Figure 1, between the middle roller and rear roller of middle first passage, the middle roller of second channel and rear roller it Between, between the middle roller and rear roller of third channel, between the middle roller and rear roller of fourth lane and in Five-channel It is connected between roller and rear roller by corresponding carrier gear.If the back area draft ratio of first passage, proparea draw ratio and total Draw ratio is respectively as follows: e_h1、e_q1、e₁；Back area draft ratio, proparea draw ratio and the total stretch ratio of second channel are respectively as follows: e_h2、e_q2、 e₂；Back area draft ratio, proparea draw ratio and the total stretch ratio of third channel are respectively as follows: e_h3、e_q3、e₃；It leads the back zone of fourth lane It stretches ratio, proparea draw ratio and total stretch ratio and is respectively as follows: e_h4、e_q4、e₄；The back area draft ratio of Five-channel, proparea draw ratio and total Draw ratio is respectively as follows: e_h5、e_q5、e₅。

Then back area draft ratio, proparea draw ratio and the total stretch ratio of first passage are respectively as follows:

e_h1=V_z(t)/V_h(t)=C (1)

e_q1=V (t)_q/V_z(t) (2)

e₁=V_q(t)/V_h(t) (3)

Formula (1) (2) (3) illustrates that the back zone drafting multiple formula of first passage is constant, the proparea drafting multiple of first passage Rear roller and front roller velocity interpolation can be regulated and controled by PLC with total draft multiple.

Back area draft ratio, proparea draw ratio and the total stretch ratio of second channel are respectively as follows:

e_h2=V_z(t)/[V_z(t)/C]=C (4)

e_q2=V_q(t)/V_z(t) (5)

e₂=C*V_q(t)/V_z(t) (6)

Formula (4) (5) (6) illustrates that the back zone drafting multiple formula of second channel is constant, the proparea drafting multiple of second channel Auxiliary roller 1 and front roller velocity interpolation can be regulated and controled by PLC with total draft multiple.

Back area draft ratio, proparea draw ratio and the total stretch ratio of third channel are respectively as follows:

e_h3=V_z(t)/V_f1(t)=C (7)

e_q3=V (t)_q/V_z(t) (8)

e₃=V_q(t)/V_f1(t) (9)

Formula (7) (8) (9) illustrates that the back zone drafting multiple formula of third channel is constant, the proparea drafting multiple of third channel Auxiliary roller 2 and front roller velocity interpolation can be regulated and controled by PLC with total draft multiple.

Back area draft ratio, proparea draw ratio and the total stretch ratio of fourth lane are respectively as follows:

e_h4=V_z(t)/V_f2(t)=C (10)

e_q4=V_q(t)/V_z(t) (11)

e₄=V_q(t)/V_f2(t) (12)

Formula (10) (11) (12) illustrates that the back zone drafting multiple formula of fourth lane is constant, the proparea drawing-off of fourth lane Multiple and total draft multiple can regulate and control middle roller and front roller velocity interpolation by PLC.

Back area draft ratio, proparea draw ratio and the total stretch ratio of Five-channel are respectively as follows:

e_h5=V_z(t)/V_f3(t)=C (13)

e_q5=V_q(t)/V_z(t) (14)

e₅=V_q(t)/V_f3(t) (15)

Formula (13) (14) (15) illustrates that the back zone drafting multiple formula of Five-channel is constant, the proparea drawing-off of Five-channel Multiple and total draft multiple can regulate and control middle roller and front roller velocity interpolation by PLC.

3, the blending ratio of institute's yarn

The blending ratio of five channel input roving fibers in the yarn is respectively as follows:

4, the line density of institute's yarn are as follows:

5, the twist of institute's yarn:

If spindle revolving speed is n_s, spool winding radius is D_x, then ring ingot twists the yarn twist to be formed are as follows:

T_w(t)=(n_s/V_q-1/πD_x)≈n_s/V_q (22)

As the above analysis, rear roller axis, middle roller axis, the first asessory shaft, the second asessory shaft, the are controlled by PLC The speed of three asessory shafts, front roller and spindle, so that it may regulate and control the line density ρ of spinning_y(t), blending ratio K₁(t)、K₂(t)、K₃ (t)、K₄(t)、K₅(t) and twist T_w(t), change it according to the rule of setting, realize the tune to institute's yarn structural parameters Control.

When spinning, number, all online variations at any time of the blended when twist when molding yarn are formed change branch, become Than, become twist yarn.If the revolving speed of drawing rollers and spindle is respectively V_f1(t)、V_f2(t)、V_f3(t)、V_h(t)、V_z(t)、V_q (t)、n_s(t), the line density of institute's yarn, blending ratio, the twist are also that the function of time can be expressed as ρ_y(t)、K₁(t)、K₂(t)、 K₃(t)、K₄(t)、K₅(t)、T_w(t).If it is known that on yarn certain point p ρ_y(t_p)、K₁(t_p)、K₂(t_p)、K₃(t_p)、K₄(t_p)、K₅ (t_p)、T_w(t_p) bring formula (16)-(22) into and can obtain rear roller, the first asessory shaft, the second asessory shaft, third asessory shaft and middle roller It is as follows in the speed at corresponding moment and the structural parameters of institute's yarn at this time:

It follows that controlling the first asessory shaft, the second asessory shaft, third asessory shaft, rear roller axis, middle roller by PLC The speed V of axis, front roller axis and spindle_f1(t)、V_f2(t)、V_f3(t)、V_h(t)、V_z(t)、V_q(t)、n_s(t), it can be realized online The line density ρ of control molding yarn_y(t_p), blending ratio K₁(t_p)、K₂(t_p)、K₃(t_p)、K₄(t_p)、K₅(t_p) and twist n_s(t) it presses According to specified rule variation, becomes branch to spin, no-load voltage ratio, becomes the yarn twisted.

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 schematic diagram for the alternation drawing-off Five-channel spinning apparatus that the embodiment of the present invention 1 provides；

Fig. 2 is the drive connection schematic diagram of traction element in spinning apparatus in embodiment 1；

Fig. 3 is the drive connection schematic diagram in embodiment 1 between the first to three asessory shaft；

Fig. 4 is the side view for the alternation drawing-off Five-channel spinning apparatus that the embodiment of the present invention 1 provides；

Fig. 5 is the circuit diagram of alternation drawing-off Five-channel spinning apparatus in the embodiment of the present invention 1；

Fig. 6 is the circuit connection diagram of spinning apparatus comparison module in the embodiment of the present invention 2.

Appended drawing reference:

Y₁- the first component rove；Y₂- the second component rove；Y₃Third component rove；Y₄- the four component rove；Y₅- the five Component rove；The first rear roller of 41-；The second rear roller of 42-；43- third rear roller；The 4th rear roller of 44-；Sieve after 45- the 5th It draws；The first carrier gear of 51-；The second carrier gear of 52-；53- third carrier gear；The 4th carrier gear of 54-；The 5th mistake of 55- Axle gear；The first middle roller of 61-；The second middle roller of 62-；63- third middle roller；The 4th middle roller of 64-；The 5th middle roller of 65-； 70- front roller；4- rear roller axis；The first asessory shaft of 5-；6- middle roller axis；7- front roller axis；8- shape tube；9- second is assisted Axis；10- third asessory shaft；94- transmission gear；105- transmission gear；The first driving gear of 411-；The second driven gear of 421-； 431- third driven gear；The 4th driven gear of 441-；The 5th driven gear of 451-；The first driven gear of 611-；621- second Driving gear；631- third driving gear；The 4th driving gear of 641-；The 5th driving gear of 651-；P₄Rear top roller；P₆In Upper leather roller；P₇Anterior epithelium cornea roller；P₈- the six carrier gear；P₉Resistance twist roller；Q₁Upper leather ring；Q₂Lower apron；X₁Upper pin；X₂- Lower 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.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " second ", " first ", " first " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

Embodiment 1

As shown in Figure 1-3, a kind of alternation drawing-off Five-channel spinning apparatus provided in this embodiment, comprising: be used for first group Part rove Y₁By first passage A₁B₁C₁D₁E, it is used for the second component rove Y₂By second channel A₂B₂C₂D₂E, for the Three component rove Y₃By third channel A₃B₃C₃D₃E and be used for the 4th component rove Y₄By fourth lane A₄B₄C₄D₄E and For the 5th component rove Y₅By Five-channel A₅B₅C₅D₅E。

The first rear roller 41, the first middle roller 61 and front roller 70, the first rear roller 41 are disposed on first passage And first connected by the first driving gear set between middle roller 61, the first driving gear set for keep the first middle roller 61 with Draw ratio (linear velocity ratio) between first rear roller 41 is constant and is not more than 1.4；Wherein, first passage A₁B₁C₁D₁It is wrapped on E It includes: draft area A₁B₁C₁With Nesting Zone C₁D₁E, it is successively complete by the first rear roller 41, the first middle roller 61, front roller 70, shape tube 8 Pairs of first component rove Y₁Drawing-off gather.

The second rear roller 42, the second middle roller 62 and front roller 70 are disposed on second channel；Second rear roller 42 And second connected by the second driving gear set between middle roller 62, the second driving gear set for keep the second middle roller 62 with Draw ratio (linear velocity ratio) between second rear roller 42 is constant and is not more than 1.4；Wherein, second channel A₂B₂C₂D₂It is wrapped on E It includes: draft area A₂B₂C₂With Nesting Zone C₂D₂E, it is successively complete by the second rear roller 42, the second middle roller 62, front roller 70, shape tube 8 Pairs of second component rove Y₂Drawing-off gather.

Third rear roller 43, third middle roller 63 and front roller 70 are disposed on third channel；Third rear roller 43 Connected between third middle roller 63 by third driving gear set, third driving gear set for keep third middle roller 63 with Draw ratio (linear velocity ratio) between third rear roller 43 is constant and is not more than 1.4；Wherein, third channel A₃B₃C₃D₃It is wrapped on E It includes: draft area A₃B₃C₃With Nesting Zone C₃D₃E, it is successively complete by third rear roller 43, third middle roller 63, front roller 70, shape tube 8 Pairs of third component rove Y₃Drawing-off gather.

The 4th rear roller 44, the 4th middle roller 64 and front roller 70 are disposed in fourth lane；4th rear roller 44 And the 4th connected by the 4th driving gear set between middle roller 64, the 4th driving gear set for keep the 4th middle roller 64 with Draw ratio (linear velocity ratio) between 4th rear roller 44 is constant and is not more than 1.4；Wherein, fourth lane A₄B₄C₄D₄It is wrapped on E It includes: draft area A₄B₄C₄With Nesting Zone C₄D₄E, it is successively complete by the 4th rear roller 44, the 4th middle roller 64, front roller 70, shape tube 8 Pairs of 4th component rove Y₄Drawing-off gather.

The 5th rear roller 45, the 5th middle roller 65 and front roller 70 are disposed on Five-channel；5th rear roller 45 And the 5th connected by the 5th driving gear set between middle roller 65, the 5th driving gear set for keep the 5th middle roller 65 with Draw ratio (linear velocity ratio) between 5th rear roller 45 is constant and is not more than 1.4；Wherein, Five-channel A₅B₅C₅D₅It is wrapped on E It includes: draft area A₅B₅C₅With Nesting Zone C₅D₅E, it is successively complete by the 5th rear roller 55, the 5th middle roller 65, front roller 70, shape tube 8 Pairs of 5th component rove Y₅Drawing-off gather.

The middle roller and rear roller in same channel are with respect to 70 synchronous speed change of front roller, the middle roller and rear roller in different channels Opposite front roller 70 replaces speed change, and front roller 70 generates velocity variations with respect to spindle, by alternation drawing-off to five groups of rove and The number variation, ratio variation and twist variation of molding yarn are realized in the alternation twisting for forming yarn.

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 will not generate drawing-off singular point in the first draft area.Meanwhile preliminary draft process can make rove Internal fiber stretches tensioning and orientation, so that the preparation slid during carrying out dominant draft, reduces the broken end during dominant draft Rate or singular point rate.

As shown in figure 4, upper leather roller includes: rear top roller P₄, middle upper leather roller P₆With anterior epithelium cornea roller P₇.It is arranged above shape tube 8 There is resistance twist roller P₉；Anterior epithelium cornea roller P is provided with above front roller 70₇, resistance twist roller P₉Before being followed by by the 6th driving gear set Upper leather roller P₇It rotates in same direction.Wherein, the 6th driving gear set includes successively the 6th driving gear (not shown) of engaged transmission, the Six carrier gear P₈With the 6th driven gear (not shown)；6th driving gear with anterior epithelium cornea roller is concentric is fixedly connected, the 6th Driven gear and resistance twist roller P₉It is concentric to be fixedly connected.The transmission ratio of 6th driving gear set is 0.741-0.909.And then it is real Draft ratio is 1.1-1.35 between existing resistance twist roller and anterior epithelium cornea roller, improves strand integrated composite by micro- draft ratio of Nesting Zone Effect further promotes the degree of stretching and the degree of orientation of fiber in yarn.

As shown in figure 4, the middle roller top in each channel is respectively arranged with a middle upper leather roller P₆, spinning apparatus also wraps It includes and covers in middle upper leather roller P₆With upper pin X₁Upper leather ring Q that is upper and being moved synchronously with middle roller holding₁, cover in middle roller and lower pin X₂ Lower apron Q that is upper and being moved synchronously with middle roller holding₂；Upper leather ring Q₁With lower apron Q₂Gripping jaw apart from front roller nip The distance of line is less than 3mm.So that the channel is thick as the blending ratio K=0% of rove in a channel in five channels The second level draw ratio e of yarn_qWhen=∞, which forms drawing-off singular point, the drawing-off singular point and preceding sieve in the second draft area The distance between 70 jaws δ≤3mm is drawn, when K is incrementally increased, with the synchronous averaging of rear roller and middle roller, by upper and lower skin It encloses the yarn held and second level drawing-off is carried out by instantaneously feeding 70 jaw of front roller, therefore the drawing-off singular point for being located at second level draft area will not Influence the stability of spinning.

In the circumferential direction of rear roller axis 4, the first rear roller 41 is sleeved on relatively fixedly on rear roller axis 4, sieve after second 42, third rear roller 43, the 4th rear roller 44 and the 5th rear roller 45 is drawn rotatably to be sleeved on rear roller axis 4；Before Roller 70 is fixedly set on front roller axis 7.In the circumferential direction of middle roller axis 6, the second middle roller 62 is sleeved on relatively fixedly On middle roller axis 6, the first middle roller 61, third middle roller 63, the 4th middle roller 64 and the 5th middle roller 65 are rotatably It is sleeved on middle roller axis 6；Rear roller axis 4 and middle roller axis 6 for regulating and controlling the first component rove and the second component rove respectively Feeding (feeding) speed.

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.

Third driving gear set includes third driving gear 431, third carrier gear 53 and the third of successively engaged transmission Driven gear 631；Third driving gear 631 with third middle roller 63 is concentric is fixedly connected, third driven gear 431 and third Rear roller 43 is concentric to be fixedly connected.

4th driving gear set includes the 4th driving gear 641, the 4th carrier gear 54 and the 4th of successively engaged transmission Driven gear 441；4th driving gear 641 with the 4th middle roller 64 is concentric is fixedly connected, the 4th driven gear 441 and the 4th Rear roller 44 is concentric to be fixedly connected；5th driving gear set include successively engaged transmission the 5th driving gear 651, the 5th mistake Axle gear 55 and the 5th driven gear 451；5th driving gear 651 with the 5th middle roller 65 is concentric is fixedly connected, the 5th quilt Moving gear 451 with the 5th rear roller 45 is concentric is fixedly connected.

In the circumferential, third carrier gear 53 is sleeved on relatively fixedly on the first asessory shaft 5；First carrier gear 51, Second carrier gear 52, the 4th carrier gear 54 and the 5th carrier gear 55 rotatably loop on the first asessory shaft 5. The present embodiment further include respectively with the first asessory shaft 5 second asessory shaft 9 and third asessory shaft 10 disposed in parallel, the second asessory shaft Fixing sleeve is equipped with the transmission gear 94 with 54 engaged transmission of the 4th carrier gear on 9；On third asessory shaft 10 fixing sleeve be equipped with The transmission gear 105 of 5th carrier gear, 55 engaged transmission.As a result, by rear roller axis 4, middle roller axis 6, the first asessory shaft 5, Second asessory shaft 9 and third asessory shaft 10 can control the first component rove, the second component rove, third component rove, respectively The feeding speed of four component rove and the 5th component rove.

Specifically, it is nested type roller that above-mentioned rear roller is enumerated in；First rear roller 41 is set with by the way that key is fixed On rear roller axis 4；Annular groove is provided on first rear roller 41, the 4th rear roller 44 is rotatably mounted around by bearing On the annular groove of one rear roller 41.Annular groove is again provided on 4th rear roller 44, third rear roller 43 passes through bearing It is rotatably mounted around on the annular groove of the 4th rear roller 44.Second rear roller 42 by bearing rotationally loop in rear sieve On pulling shaft 4；Annular groove is provided on second rear roller 42, after the 5th rear roller 45 is rotatably mounted around second by bearing On the annular groove of roller 42.

Second middle roller 62 is set on middle roller axis 6 by the way that key is fixed, is provided with annular groove on the second middle roller 62, the Five middle rollers 65 are rotatably mounted around on the annular groove of the second middle roller 62 by bearing.First middle roller 61 passes through bearing Rotationally loop is on middle roller axis 6；Annular groove is provided on first middle roller 61, the 4th middle roller 64 can by bearing It is rotationally sleeved on the annular groove of the first middle roller 61.Annular groove is again provided on 4th middle roller 64, in third Roller 63 is rotatably mounted around on the annular groove of the 4th middle roller 64 by bearing.

As shown in figure 5, 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 and speed probe；Controller passes sequentially through servo-driver and servo Motor connection；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 asessory shaft 5 to rotate, for driving 9 turns of the second asessory shaft Dynamic the 4th servo motor, the 5th servo motor for driving third asessory shaft 10 to rotate and for driving 70 turns of front roller Dynamic preceding servo motor；Speed probe includes: for monitoring the first sensor of 4 revolving speed of rear roller axis, for sieve in monitoring The second sensor of 6 revolving speed of pulling shaft, the 3rd sensor for monitoring 5 revolving speed of the first asessory shaft are used to monitor the second asessory shaft 9 4th sensor of revolving speed, the 5th sensor for monitoring 10 revolving speed of third asessory shaft and for monitoring 70 revolving speed of front roller Front sensor.

Twisting mechanism also includes shape tube, grid ring, ring rail and spindle；First component rove, the second component rove, third Five roots article of component rove, the 4th component rove and the 5th component rove gather slot by shape tube after front roller 70 It is agglomerated into a root item, then forms yarn through the twisting of ring ingot, winding.Controller passes through servo-driver and Serve Motor Control Ring rail rotation, controller are connect by frequency converter with alternating current generator with spindle；It and further include for monitoring spindle revolving speed 6th sensor.

Forms of sensor is also very much, such as can be photoelectric encoder or Hall revolution speed transducer etc..

The line density of known five root thickness yarn is respectively ρ₁、ρ₂、ρ₃、ρ₄、ρ₅, it is desirable that the line density of institute's yarn, it is blended when The twist changes over time.If the line density of yarn, the blended when twist are the variable of time, separately available ρ_y(t)、K₁(t)、K₂ (t)、K₃(t)、K₄(t)、K₅(t)、T_w(t) it indicates.

1, front roller speed V_q(t)

It is assumed that with ingot speed n_sIt spins, then front roller speed can be obtained according to the twist are as follows:

V_q(t)=n_s/T_w(t) (35)

Spindle revolving speed n when spinning_sIt is to be not belonging to regulation amount according to setting rule operation.It, can when yarn twist variation Front roller speed is set to meet above formula variation to realize the variation of the twist.

2, rear roller speed V_h(t)

The total stretch ratio in first channel can be obtained by known conditions are as follows:

Then rear roller speed

V_h(t)=ρ_y(t)*K₁(t)*V_q(t)/ρ₁ (37)

3, middle roller speed V_z(t)

The total stretch ratio of second channel can be obtained by known conditions are as follows:

Then middle roller speed

V_z(t)=C* ρ_y(t)*K₂(t)*V_q(t)/ρ₂ (39)

4, the speed V of the first asessory shaft_f1(t)

The total stretch ratio of third channel can be obtained by known conditions are as follows:

The then speed of the first asessory shaft

V_f1(t_p)=ρ_y(t_p)*K₃(t_p)*V_q(t_p)/ρ₃ (41)

5, the second auxiliary axle speed V_f2(t)

The total stretch ratio of fourth lane can be obtained by known conditions are as follows:

The then speed of the second asessory shaft are as follows:

V_f2(t_p)=ρ_y(t_p)*K₄(t_p)*V_q(t_p)/ρ₄ (43)

6, third assists axle speed V_f3(t)

The total stretch ratio of Five-channel can be obtained by known conditions are as follows:

Then third assists axle speed are as follows:

V_f3(t_p)=ρ_y(t_p)*K₅(t_p)*V_q(t_p)/ρ₅ (45)

It is above-mentioned analysis shows, as the ρ of institute's yarn_y(t)、K₁(t)、K₂(t)、K₃(t)、K₄(t)、K₅(t)、T_w(t) with Time and the when of variation, the front roller speed V at corresponding moment can be acquired respectively by formula (36)-(45)_q(t), middle roller speed V_z (t), rear roller speed V_h(t), the first auxiliary axle speed V_f1(t), the second auxiliary axle speed V_f2(t) and third assists axle speed V_f3(t), thus line density is spinned, the yarn that the blended when twist changes, as shown in formula following formula.

In the present embodiment, to be respectively as follows: cotton rove, numb rove, fine wool by the kinds of fibers of each channel feeding rove thick Yarn, spun silk rove, viscose rove, each rove line density are 4.5 grams/10 meters, each drawing-off channel by gap bridge tooth connect in, The draw ratio C=1.25 of rear roller, if spinning ingot speed is 16000 revs/min.It is required that being become by the proportion variation of raw material, thickness Change, twist variation embody cotton style, wool type style, spun silk type style and chemical fibre type style etc. in the different fragments of yarn.

In spinning of each period such as yarn that line density, blending ratio and the twist change in table 1, as shown in table 1:

The geometric specifications parameter of 1. cotton of table, wool type, linen look, thin,tough silk type and chemical fibre type yarn

Parameter each in table 1 is brought into above-mentioned formula, day part spinning can be obtained and become branch, no-load voltage ratio, the spinner for becoming twisted yarn Skill parameter, as shown in table 2.

Table 2. becomes branch, no-load voltage ratio, the yarning process parameter for becoming twisted yarn

Pass through the yarning process parameter and triple channel number ring throstle spinning line density, the blended when twist in table 2 The yarn changed.By carrying out testing the distribution situation of its line density, blending ratio, the twist on yarn such as table to institute's yarn Shown in 3.By analyzing data, it is recognised that every structural parameters of institute's yarn and setting value are close, and by become branch, No-load voltage ratio and the means for becoming twirl, realize a variety of wind such as cotton, linen look, wool type, thin,tough silk type, chemical fibre type, mixed type on an one thread Lattice provide effective means for the innovation of Fabric Style.

Table 3. becomes the distribution situation of branch, no-load voltage ratio, the number for becoming twisted yarn, the blended when twist

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 72% than the prior art, meanwhile, end breakage rate of the yarn in the second draft area declines 43%, thickness mutation it is unstable The likelihood ratio prior art that point occurs has dropped 31%.

Embodiment 2

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

As shown in fig. 6, control system further includes the first comparison module, the first comparison module respectively with first sensor, Two sensors, 3rd sensor, the 4th sensor, the 5th sensor and controller connection, the first comparison module is for monitoring Rotating ratio between middle roller axis, rear roller axis, the first asessory shaft, the second asessory shaft and third asessory shaft, controller is according to first The numerical value of comparison module feedback regulates and controls in middle roller axis, rear roller axis, the first asessory shaft, the second asessory shaft and third asessory shaft One or several revolving speed, and then it is thick to regulate and control the first component rove, the second component rove, third component rove, the 4th component The blending ratio of yarn and the 5th component rove.

Control system further includes the second comparison module, the second comparison module respectively with first sensor, front sensor and control Device connection processed；Second comparison module is used to monitor the rotating ratio between rear roller axis and front roller, and then it is thick to monitor the first component The draw ratio of yarn, the numerical value regulation rear roller axis or front roller revolving speed that controller is fed back according to the second comparison module, and then adjust Control the draw ratio of the first component rove.Control system further includes third comparison module, and third comparison module is sensed with second respectively Device, front sensor are connected with controller；Third comparison module is used to monitor the rotating ratio between middle roller axis and front roller, in turn Monitor the draw ratio of the second component rove, the numerical value regulation middle roller axis or preceding sieve that controller is fed back according to third comparison module Revolving speed is drawn, and then regulates and controls the draw ratio of the second component rove.

Control system further includes the 4th comparison module, the 4th comparison module respectively with 3rd sensor, front sensor and control Device connection processed；4th comparison module is used to monitor the rotating ratio between the first asessory shaft and front roller, and then monitors third component The draw ratio of rove, controller regulate and control the first asessory shaft or front roller revolving speed according to the numerical value that the 4th comparison module is fed back, into And regulate and control the draw ratio of third component rove.Control system further includes the 5th comparison module, and the 5th comparison module is respectively with the 4th Sensor, front sensor are connected with controller；5th comparison module is used to monitor the revolving speed between the second asessory shaft and front roller Than, and then the draw ratio of the 4th component rove is monitored, the second auxiliary of numerical value regulation that controller is fed back according to the 5th comparison module Axis or front roller revolving speed, and then regulate and control the draw ratio of the 4th component rove.Control system further includes the 6th comparison module, and the 6th Comparison module is connect with the 5th sensor, front sensor and controller respectively；6th comparison module is for monitoring third asessory shaft Rotating ratio between front roller, and then the draw ratio of the 5th component rove is monitored, controller is fed back according to the 6th comparison module Numerical value regulation third asessory shaft or front roller revolving speed, and then regulate and control the draw ratio of the 5th component rove.

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. a kind of alternation drawing-off Five-channel spinning apparatus characterized by comprising pass through for the first component rove first logical Road, the second channel passed through for the second component rove, the third channel passed through for third component rove, for the 4th component The fourth lane and the Five-channel passed through for the 5th component rove that rove passes through；

The first rear roller, the first middle roller and front roller, first rear roller and institute are disposed on the first passage 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；

The second rear roller, the second middle roller and the front roller are disposed on the second channel；Second rear roller Between second middle roller by the second driving gear set connect, the second driving gear set for keep the second middle roller with Draw ratio between second rear roller is constant and is not more than 1.4；

Third rear roller, third middle roller and the front roller are disposed on the third channel；The third rear roller Connected between the third middle roller by third driving gear set, third driving gear set for keep third middle roller with Draw ratio between third rear roller is constant and is not more than 1.4；

The 4th rear roller, the 4th middle roller and the front roller are disposed in the fourth lane；4th rear roller Between the 4th middle roller by the 4th driving gear set connect, the 4th driving gear set for keep the 4th middle roller with Draw ratio between 4th rear roller is constant and is not more than 1.4；

The 5th rear roller, the 5th middle roller and the front roller are disposed on the Five-channel；5th rear roller Between the 5th middle roller by the 5th driving gear set connect, the 5th driving gear set for keep the 5th middle roller with Draw ratio between 5th rear roller is constant and is not more than 1.4；

The relatively described front roller synchronous speed change of the middle roller and rear roller in same channel, the middle roller and rear roller phase in different channels Speed change is replaced to front roller, front roller generates velocity variations with respect to spindle, by the alternation drawing-off to five groups of rove and forms yarn The alternation of line is twisted, and realizes the number variation, ratio variation and twist variation of molding yarn.

2. alternation drawing-off Five-channel spinning apparatus according to claim 1, which is characterized in that in described in each channel Middle upper leather roller is provided with above roller, the spinning apparatus 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.

3. alternation drawing-off Five-channel spinning apparatus according to claim 1, which is characterized in that further include rear roller axis in Roller shaft；

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, the third rear roller, the 4th rear roller and the 5th rear roller are rotatably sleeved on the rear roller On axis；

In the circumferential direction of the middle roller axis, second middle roller is sleeved on relatively fixedly on the middle roller axis, described First middle roller, the third middle roller, the 4th middle roller and the 5th middle roller are rotatably sleeved on institute It states on middle roller axis；

The rear roller axis and the middle roller axis for regulating and controlling the first component rove and the second component rove respectively Feeding speed.

4. alternation drawing-off Five-channel spinning apparatus 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；

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

4th driving gear set includes the 4th driving gear, the 4th carrier gear and the 4th passive tooth of successively engaged transmission Wheel；4th driving gear with the 4th middle roller is concentric is fixedly connected, sieve after the 4th driven gear and the described 4th Draw concentric be fixedly connected；

5th driving gear set includes the 5th driving gear, the 5th carrier gear and the 5th passive tooth of successively engaged transmission Wheel；5th driving gear with the 5th middle roller is concentric is fixedly connected, sieve after the 5th driven gear and the described 5th Draw concentric be fixedly connected.

5. alternation drawing-off Five-channel spinning apparatus according to claim 4, which is characterized in that further include the first asessory shaft；

In the circumferential, the third carrier gear is sleeved on relatively fixedly on first asessory shaft；The first gap bridge tooth Wheel, the second carrier gear, the 4th carrier gear and the 5th carrier gear rotatably loop on first asessory shaft.

6. alternation drawing-off Five-channel spinning apparatus according to claim 5, which is characterized in that further include respectively with described One asessory shaft the second asessory shaft disposed in parallel and third asessory shaft, fixing sleeve is equipped on the second asessory shaft and the described 4th passes a bridge The transmission gear of gear engaged transmission；Fixing sleeve is equipped with the transmission with the 5th carrier gear engaged transmission on third asessory shaft Gear.

7. alternation drawing-off Five-channel spinning apparatus according to claim 6, which is characterized in that further include control system and watching Take drive system；

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

The control system includes controller and speed probe；

The servo motor includes: for driving the first servo motor of the rear roller axis rotation, for driving middle sieve It is second servo motor of pulling shaft rotation, the third servo motor for driving first asessory shaft rotation, described for driving It 4th servo motor of the second asessory shaft rotation, the 5th servo motor for driving third asessory shaft rotation and is used for Drive the preceding servo motor of the front roller rotation；

The speed probe includes: for monitoring the first sensor of the rear roller axis revolving speed, for monitoring middle sieve The second sensor of pulling shaft revolving speed, the 3rd sensor for monitoring the first asessory shaft revolving speed, for monitoring described second 4th sensor of asessory shaft revolving speed, the 5th sensor for monitoring the third asessory shaft revolving speed and described for monitoring The front sensor of front roller revolving speed.

8. alternation drawing-off Five-channel spinning apparatus according to claim 1, which is characterized in that further include being arranged in shape tube The resistance twist roller of top；It is provided with anterior epithelium cornea roller above the front roller, resistance twist roller is followed by by the 6th driving gear set The anterior epithelium cornea roller rotates in same direction.

9. alternation drawing-off Five-channel spinning apparatus according to claim 8, which is characterized in that the 6th driving gear set Transmission ratio be 0.741-0.909, and then realize that draft ratio is 1.1-1.35 between the resistance twist roller and anterior epithelium cornea roller.

10. a kind of spinning method for genuine for becoming branch no-load voltage ratio and becoming twisted yarn, which is characterized in that including Five-channel drafting system, wherein same In channel, rear roller speed ratio it is constant and less than 1.4, in, rear roller with respect to front roller synchronous speed change, front roller is produced with respect to spindle Raw velocity variations are twisted by the alternation of alternation drawing-off and molding yarn to five groups of rove, realize that the number of molding yarn becomes Change, ratio variation and the twist change.