CN104141184B - Two-for-one twister Yarn winding forming control system and method - Google Patents
Two-for-one twister Yarn winding forming control system and method Download PDFInfo
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- CN104141184B CN104141184B CN201410327755.2A CN201410327755A CN104141184B CN 104141184 B CN104141184 B CN 104141184B CN 201410327755 A CN201410327755 A CN 201410327755A CN 104141184 B CN104141184 B CN 104141184B
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Abstract
The invention provides a kind of two-for-one twister Yarn winding forming control system and method, the lever jack of described two-for-one twister is done periodic transverse reciprocating by driven by servomotor and moves；Within each cycle that described driven by servomotor lever jack transverse reciprocating moves, described lever jack transverse reciprocating moves M time, and described M inputs the integer arranging and being more than or equal to 6 according to user；This control system includes initialization unit, counting judging unit, the first control unit, the second control unit, wherein: described first control unit arrives the winding edge of yarn cylinder both sides for controlling lever jack when odd-times moves back and forth；Described second control unit, deviates the winding edge of yarn cylinder both sides for controlling lever jack when even-times moves back and forth.The present invention, by controlling the traverse of lever jack, reduces the yarn winding in yarn cylinder both sides, thus avoids yarn cylinder both sides to convex to form hard-edge.
Description
Technical field
The present invention relates to two-for-one twister control field, more particularly, it relates to a kind of two-for-one twister Yarn winding forming control system and method.
Background technology
Along with garment material texture requirement is improved constantly by people, the yarn that some traditional twisting machines produce can not meet cloth style and quality requirement.Two-for-one twister twists equipment as one, and it can be bonded into strand the single thread of two strands or more than two strands by twisting so that twisting efficiency significantly improves than traditional twisting apparatus, and can realize knotless yarn large package.Additionally, pass through two-for-one twister, it is not necessary to chemical treatment can improve yarn strength and fineness, enhance the performance of raw yarn.The exploitation application of high speed two-for-one twister, drastically increases fabric quality and the labor productivity of fabric, and the labour intensity of workman is greatly reduced simultaneously, so the wide market of two-for-one twister.
Existing two-for-one twister, when yarn winding, is moved by driven by servomotor lever jack transverse reciprocating, thus the yarn on spindle is wound on winding rod, completes yarn package.But above-mentioned two-for-one twister convex shoulder effect when Yarn winding forming is obvious, and easily there is surface overlapping phenomenon.
Summary of the invention
The technical problem to be solved in the present invention is, the problem that there is convex shoulder during for above-mentioned two-for-one twister yarn winding, it is provided that a kind of two-for-one twister Yarn winding forming control system and method.
The present invention solves the technical scheme of above-mentioned technical problem and is to provide a kind of two-for-one twister Yarn winding forming control system, and the lever jack of described two-for-one twister is done periodic transverse reciprocating by driven by servomotor and moves；Within each cycle that described driven by servomotor lever jack transverse reciprocating moves, described lever jack transverse reciprocating moves M time, and described M inputs the integer arranging and being more than or equal to 6 according to user；This control system includes initialization unit, counting judging unit, the first control unit, the second control unit, wherein: described initialization unit, for count initialized value n=1, and makes described counting judging unit run；Described counting judging unit, for judging whether whether described count value n be odd number equal to M and this count value n, and start initialization unit when described count value n is equal to M, be not equal to M in count value n and make described first control unit run during for odd number, being not equal to M in count value n and make described second control unit operation during not for odd number；Described first control unit, for making lever jack described in described driven by servomotor move back and forth once between the first winding edge, side and the second winding edge, side of yarn cylinder, and make count value n=n+1 when described lever jack returns to the first winding edge, side, then make counting judging unit run；Described second control unit, for making lever jack described in described driven by servomotor move back and forth once between the primary importance and the second place of yarn cylinder, and make count value n=n+1 when described lever jack returns to primary importance, then counting judging unit is made to run, distance between the first winding edge, side of described primary importance and yarn cylinder is equal to the distance between the second winding edge, side of the second place and yarn cylinder, and described primary importance is relevant to count value n with the second place.
In two-for-one twister Yarn winding forming control system of the present invention, described second control unit includes decrescence controlling subelement and cumulative control subelement, and the described subelement that decrescence controls for making the distance between the first winding edge, side of described primary importance and yarn cylinder reduce along with the increase of count value n when described count value n is less than or equal to M/2, described cumulative control subelement increases along with the increase of count value n for making the distance between the first winding edge, side of described primary importance and yarn cylinder when described count value n is more than M/2.
In two-for-one twister Yarn winding forming control system of the present invention, the anti-convex shoulder width of yarn cylinder is M × L/2；When driving lever jack to move, the described subelement that decrescence controls makes the distance between described primary importance and winding edge, yarn cylinder the first side be n × L, and described cumulative control subelement makes the distance between described primary importance and winding edge, yarn cylinder the first side be (M-n+1) L.
In two-for-one twister Yarn winding forming control system of the present invention, described control system also includes the anti-stacked unit of frequency conversion, for making driven by servomotor lever jack switch between first row linear velocity and second row linear velocity according to the cycle set.
In two-for-one twister Yarn winding forming control system of the present invention, described first row linear velocity is the 95%～99% of second row linear velocity.
The present invention also provides for a kind of two-for-one twister Yarn winding forming control method, and the lever jack of described two-for-one twister is done periodic transverse reciprocating by driven by servomotor and moves；Within each cycle that described driven by servomotor lever jack transverse reciprocating moves, described lever jack transverse reciprocating moves M time, and described M inputs the integer arranging and being more than or equal to 6 according to user, and the method comprises the following steps:
(a) count initialized value n=1；
B () judges whether whether described count value n be odd number equal to M and this count value n, and perform step (a) when described count value n is equal to M, be not equal to M in count value n and perform step (c) during for odd number, be not equal to M and execution step (d) during not for odd number in count value n；
C () drives described lever jack to move back and forth once between the first winding edge, side and the second winding edge, side of yarn cylinder, and make count value n=n+1 when described lever jack returns to the first winding edge, side, is then back to step (b)；
D () drives described lever jack to move back and forth once between the primary importance and the second place of yarn cylinder, and make count value n=n+1 when described lever jack returns to primary importance, it is then back to step (b), distance between the first winding edge, side of described primary importance and yarn cylinder is equal to the distance between the second winding edge, side of the second place and yarn cylinder, and described primary importance is relevant to count value n with the second place.
In two-for-one twister Yarn winding forming control method of the present invention, described step (d) including: judges that whether described count value n is less than or equal to M/2, and when described count value n is less than or equal to M/2, make the distance between the first winding edge, side of described primary importance and yarn cylinder reduce along with the increase of count value n；When described count value n is more than M/2, the distance between the first winding edge, side of described primary importance and yarn cylinder is made to increase along with the increase of count value n.
In two-for-one twister Yarn winding forming control method of the present invention, in described step (d), when described count value n is less than or equal to M/2, the distance between the first winding edge, side of described primary importance and yarn cylinder is n × L；When described count value n is less than or equal to M/2, the distance between the first winding edge, side of described primary importance and yarn cylinder is (M-n+1) L；Wherein M × L/2 is the anti-convex shoulder width of yarn cylinder.
In two-for-one twister Yarn winding forming control method of the present invention, described method also includes: the cycle according to setting makes driven by servomotor lever jack switch between first row linear velocity and second row linear velocity.
In two-for-one twister Yarn winding forming control method of the present invention, described first row linear velocity is the 95%～99% of second row linear velocity.
The two-for-one twister Yarn winding forming control system of the present invention and method, by controlling the traverse of lever jack, reduce the yarn winding in yarn cylinder both sides, thus avoid yarn cylinder both sides to convex to form hard-edge.Further, the present invention is also by periodically change lever jack winding displacement speed, it is to avoid yam surface overlap is uneven.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of two-for-one twister Yarn winding forming control system embodiment of the present invention.
Fig. 2 is that the control of two-for-one twister Yarn winding forming control system of the present invention is away from figure.
Fig. 3 is the schematic flow sheet of two-for-one twister Yarn winding forming control method embodiment of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, it it is the schematic diagram of two-for-one twister Yarn winding forming control system embodiment of the present invention, the lever jack of this two-for-one twister is done periodic transverse reciprocating by driven by servomotor and moves, thus by the diverse location (may also include the servomotor that other parts of one or more driving are run in this two-for-one twister) of yarn winding to yarn cylinder.In the two-for-one twister Yarn winding forming control system of the present embodiment, within each cycle that driven by servomotor lever jack transverse reciprocating moves, lever jack transverse reciprocating moves M time, above-mentioned M as control parameter by user input setting and this M be the integer more than or equal to 6.This control system includes initialization unit 11, counting judging unit the 12, first control unit 13 and the second control unit 14, above-mentioned initialization unit 11, counting judging unit the 12, first control unit 13 and the second control unit 14 can be realized by the software operating in servo-driver (this servo-driver is used for controlling above-mentioned servomotor and runs), it is possible to realized by the equipment independent of servo-driver and to servo-driver output control signal.
Initialization unit 11 is for count initialized value n=1, and makes counting judging unit 12 run.The initial time in each cycle that this initialization unit 11 is run at lever jack, initializes count value n, thus realizes being controlled the cycle of operation of lever jack.In actual applications, this initialization unit 11 also can make lever jack move to the winding edge of the first side of yarn cylinder, i.e. cycle initial position.
Counting judging unit 12 is used for judging whether whether count value n be odd number equal to M and this count value n, and starts initialization unit 11 (namely making initialization unit 11 start a new moving period) when count value n is equal to M, be not equal to M in count value n and make the first control unit 13 run during for odd number, being not equal to M in count value n and make the second control unit 14 run during not for odd number.
First control unit 13 is for making driven by servomotor lever jack move back and forth once between the first winding edge, side and the second winding edge, side of yarn cylinder, and make count value n=n+1 when lever jack returns to the first winding edge, side, then make counting judging unit 12 run.It is to say, the first control unit 13 moves back and forth for the odd-times controlling lever jack, and lever jack all arrives the end of yarn cylinder both sides winding in these times move back and forth.Certainly, when implementing, the cumulative of count value n also can be performed by counting judging unit 12.
Second control unit 14 is for making driven by servomotor lever jack move back and forth once between the primary importance and the second place of yarn cylinder, and makes count value n=n+1 when lever jack returns to primary importance, then makes counting judging unit 12 run.Distance between the first winding edge, side of above-mentioned primary importance and yarn cylinder is equal equal to the distance at the winding edge of the distance between the second winding edge, side of the second place and yarn cylinder, i.e. primary importance and the second place to respective side.And primary importance is relevant to count value n with the second place.It is to say, the second control unit 14 moves back and forth for the even-times controlling lever jack, and in these times move back and forth lever jack less than the end reaching yarn cylinder both sides winding.Similarly, the cumulative of count value n also can be performed by counting judging unit 12.
Above-mentioned two-for-one twister Yarn winding forming control system by make lever jack reach when odd-times moves back and forth yarn cylinder winding edge, when even-times moves back and forth yarn cylinder winding edge inside and different with the difference of number of times, the winding height of yarn cylinder both sides can be reduced, thus avoid yarn cylinder both sides projection to produce hard-edge.
Especially, above-mentioned second control unit 14 can include decrescence controlling subelement and cumulative control subelement, and decrescence control subelement for making the distance between the first winding edge, side of primary importance and yarn cylinder reduce along with the increase of count value n when count value n is less than or equal to M/2, cumulative control subelement increases along with the increase of count value n for making the distance between the first winding edge, side of primary importance and yarn cylinder when described count value n is more than M/2.It is to say, the first half cycle moved back and forth at lever jack, decrescence control subelement and the distance at lever jack distance yarn cylinder edge is gradually increased；In the later half cycle that lever jack moves back and forth, cumulative control subelement makes the distance at lever jack distance yarn cylinder edge be gradually reduced.
Specifically, when the anti-convex shoulder width of yarn cylinder is M × L/2, decrescence control subelement makes the distance between the first winding edge, side of primary importance and yarn cylinder be n × L；Cumulative control subelement makes the distance between the first winding edge, side of primary importance and yarn cylinder be (M-n+1) L.
Above-mentioned two-for-one twister Yarn winding forming control system can adjust the anti-convex shoulder effect of different in width, diameter yarn cylinder by the value arranging M, and this process operation is simple, and the trail run through limited number of time can realize.
As in figure 2 it is shown, be the schematic diagram that above-mentioned two-for-one twister Yarn winding forming control system controls that lever jack moved back and forth within a cycle when M is 20, the anti-convex shoulder width M × L/2=S in figure.In the moving back and forth for the 2nd, 4,6,8,10 times of lever jack, the distance at the primary importance distance yarn cylinder winding edge of lever jack is respectively 2L, 4L, 6L, 8L, 10L；In the moving back and forth for the 12nd, 14,16,18,20 times of lever jack, the distance at the primary importance distance yarn cylinder winding edge of lever jack is respectively 9L, 7L, 5L, 3L, 1L.
Assuming that lever jack rotates a circle, the seal wire shift fork fro guiding-yarn on lever jack once, then the transverse moving speed of lever jack:
V2=2B × nc/1000=B × nc/500 (1)
In formula, nc is the rotating speed (r/min) of lever jack, and B is lever jack single action journey (mm).
Tan λ=V2/V1 (2)
Wherein V1 is the peripheral speed of crimping roller linear velocity, i.e. yarn.
If ignoring the Elastic Sliding of frictional drive, then peripheral speed V of yarn1For:
V1=π × dr × nr/1000 (3)
In formula, dr is friction roller diameter (mm)；Nr is the rotating speed (r/min) of friction roller.
Formula (2), (3) substitution formula (1) are obtained yarn spirals winding angle λ and meet:
Tan λ=2 × B × nc/ (π × dr × nr) (4)
By formula (4) if understanding lever jack rotating speed nc cyclically-varying, winding angle λ also makees mechanical periodicity, as long as i.e. winding angle λ changes, yarn cylinder would not exist the phenomenon of overlap.The most above-mentioned control system also can increase an anti-stacked unit of frequency conversion, for making driven by servomotor lever jack switch between first row linear velocity and second row linear velocity according to the cycle set.By the anti-stacked unit of frequency conversion, yarn roll overlap on yarn cylinder can be prevented.
Especially, above-mentioned first row linear velocity is the 95%～99% of second row linear velocity, and i.e. the amplitude of the winding displacement speed of frequency conversion anti-stacked unit change is 1～5%.
As it is shown on figure 3, the present invention also provides for a kind of two-for-one twister Yarn winding forming control method, the lever jack of this two-for-one twister is done periodic transverse reciprocating by driven by servomotor and moves；And within each cycle that driven by servomotor lever jack transverse reciprocating moves, lever jack transverse reciprocating moves M time, and the value of this M can be inputted by user, and being the integer more than or equal to 6, the method comprises the following steps:
Step S31: count initialized value n=1.When implementing, this step may also include the winding edge making lever jack move to yarn cylinder the first side, the i.e. original position in cycle.
Step S32: judge whether count value n is equal to M, and step S31 is returned when count value n is equal to M, the lever jack restarting next cycle moves control, otherwise performs step S33.
Step S33: judge whether count value n is odd number, and step S34 is performed when count value n is odd number, otherwise perform step S35.
Step S34: control lever jack in the first way and move back and forth once, lever jack is i.e. driven to move back and forth once between the first winding edge, side and the second winding edge, side of yarn cylinder, and make count value n=n+1 when lever jack returns to the first winding edge, side, it is then back to step S32.
Step S35: control lever jack in the first way and move back and forth once, lever jack is i.e. driven to move back and forth once between the primary importance and the second place of yarn cylinder, and make count value n=n+1 when lever jack returns to primary importance, it is then back to step S32, distance between the first winding edge, side of primary importance and yarn cylinder is equal to the distance between the second winding edge, side of the second place and yarn cylinder, and primary importance is relevant to count value n with the second place.
Especially, include in above-mentioned steps S35: judge whether count value n is less than or equal to M/2, and when count value n is less than or equal to M/2, make the distance between the first winding edge, side of primary importance and yarn cylinder reduce along with the increase of count value n；When count value n is more than M/2, the distance between the first winding edge, side of primary importance and yarn cylinder is made to increase along with the increase of count value n.Specifically, when count value n is less than or equal to M/2, making the distance between the first winding edge, side of primary importance and yarn cylinder is n × L；When count value n is less than or equal to M/2, making the distance between the first winding edge, side of primary importance and yarn cylinder is (M-n+1) L；Wherein M × L/2 is the anti-convex shoulder width of yarn cylinder.
Additionally, in order to overlapping during preventing yarn winding, said method can increase step: the cycle according to setting makes driven by servomotor lever jack switch between first row linear velocity and second row linear velocity.Especially, above-mentioned first row linear velocity is the 95%～99% of second row linear velocity.
The two-for-one twister Yarn winding forming control system of the present invention and method, the winding edge arriving yarn cylinder both sides by controlling lever jack when odd-times moves back and forth, the winding edge deviateing yarn cylinder both sides when even-times moves back and forth reach anti-convex shoulder effect.In actual applications, it is possible to control lever jack and arrive the winding edge of yarn cylinder both sides when even-times moves back and forth, deviate the winding edge of yarn cylinder both sides when odd-times moves back and forth, can reach anti-convex shoulder effect equally.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. a two-for-one twister Yarn winding forming control system, the lever jack of described two-for-one twister is by servomotor
Driving is done periodic transverse reciprocating and is moved；It is characterized in that: horizontal at described driven by servomotor lever jack
In each cycle moved back and forth, described lever jack transverse reciprocating moves M time, and described M inputs according to user
Arrange and be the integer more than or equal to 6；This control system include initialization unit, counting judging unit,
First control unit, the second control unit, wherein: described initialization unit, for count initialized value n=1,
And make described counting judging unit run；Described counting judging unit, is used for whether judging described count value n
Whether be odd number equal to M and this count value n, and described count value n equal to M time start initialization unit,
It is not equal to M in count value n and makes during for odd number described first control unit run, be not equal to M in count value n
And during not for odd number, make described second control unit run；Described first control unit, is used for making described servo
Motor drives described lever jack to move back and forth between the first winding edge, side and the second winding edge, side of yarn cylinder
Once, and make count value n=n+1 when described lever jack returns to the first winding edge, side, then make counting
Judging unit runs；Described second control unit, is used for making lever jack described in described driven by servomotor at yarn
Move back and forth once between the primary importance of cylinder and the second place, and when described lever jack returns to primary importance
Make count value n=n+1, then make counting judging unit run, described primary importance and the first side volume of yarn cylinder
Distance around between edge is equal to the distance between the second winding edge, side of the second place and yarn cylinder, and described first
Position is relevant to count value n with the second place.
Two-for-one twister Yarn winding forming control system the most according to claim 1, it is characterised in that: institute
State the second control unit to include decrescence controlling subelement and cumulative control subelement, and described decrescence control is single
Unit for making the first side winding of described primary importance and yarn cylinder when described count value n is less than or equal to M/2
Distance between edge reduces along with the increase of count value n, and described cumulative control subelement is by based on described
Make the distance between the first winding edge, side of described primary importance and yarn cylinder along with counting when numerical value n is more than M/2
The increase of value n and increase.
Two-for-one twister Yarn winding forming control system the most according to claim 2, it is characterised in that: yarn
The anti-convex shoulder width of cylinder is M × L/2；When driving lever jack to move, the described subelement that decrescence controls makes institute
The distance stated between primary importance and winding edge, yarn cylinder the first side is n × L, and described cumulative control subelement makes
Distance between described primary importance and winding edge, yarn cylinder the first side is (M-n+1) L.
Two-for-one twister Yarn winding forming control system the most according to claim 1, it is characterised in that: institute
State control system and also include the anti-stacked unit of frequency conversion, for making driven by servomotor lever jack according to the cycle set
Switch between first row linear velocity and second row linear velocity.
Two-for-one twister Yarn winding forming control system the most according to claim 4, it is characterised in that: institute
State that first row linear velocity is second row linear velocity 95%～99%.
6. a two-for-one twister Yarn winding forming control method, the lever jack of described two-for-one twister is by servomotor
Driving is done periodic transverse reciprocating and is moved；It is characterized in that: horizontal at described driven by servomotor lever jack
In each cycle moved back and forth, described lever jack transverse reciprocating moves M time, and described M inputs according to user
Arranging and be the integer more than or equal to 6, the method comprises the following steps:
(a) count initialized value n=1；
B () judges whether described count value n is equal to M and whether this count value n is odd number, and at described meter
Numerical value n equal to perform during M step (a), count value n be not equal to M and execution step (c) during for odd number,
It is not equal to M in count value n and performs step (d) during not for odd number；
C () drives described lever jack reciprocal between the first winding edge, side and the second winding edge, side of yarn cylinder
Move once, and make count value n=n+1 when described lever jack returns to the first winding edge, side, then return
Return step (b)；
D () drives described lever jack to move back and forth once between the primary importance and the second place of yarn cylinder, and
Make count value n=n+1 when described lever jack returns to primary importance, be then back to step (b), described
Distance between the first winding edge, side of primary importance and yarn cylinder is equal to the second side volume of the second place with yarn cylinder
Distance around between edge, and described primary importance is relevant to count value n with the second place.
Two-for-one twister Yarn winding forming control method the most according to claim 6, it is characterised in that: institute
State step (d) to include: judge whether described count value n is less than or equal to M/2, and in described count value n
During less than or equal to M/2, make the distance between the first winding edge, side of described primary importance and yarn cylinder along with meter
The increase of numerical value n and reduce；When described count value n is more than M/2, make the of described primary importance and yarn cylinder
Distance between winding edge, side increases along with the increase of count value n.
Two-for-one twister Yarn winding forming control method the most according to claim 7, it is characterised in that: institute
State in step (d), when described count value n is less than or equal to M/2, the of described primary importance and yarn cylinder
Distance between winding edge, side is n × L；When described count value n is less than or equal to M/2, described first
Distance between the first winding edge, side of position and yarn cylinder is (M-n+1) L；Wherein M × L/2 is the anti-of yarn cylinder
Convex shoulder width.
9., according to the two-for-one twister Yarn winding forming control method according to any one of claim 6-8, it is special
Levy and be: described method also includes: the cycle according to setting makes driven by servomotor lever jack at the first winding displacement
Switch between speed and second row linear velocity.
Two-for-one twister Yarn winding forming control method the most according to claim 9, it is characterised in that:
Described first row linear velocity is the 95%～99% of second row linear velocity.
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| JPS63203825A (en) * | 1987-02-19 | 1988-08-23 | Kyoritsu Kikai Seisakusho:Kk | Package forming process |
| DE10021963A1 (en) * | 1999-05-14 | 2000-12-21 | Barmag Barmer Maschf | Winding of yarns on cross-wound packages involves arranging the variation of traverse length to ensure that turning points are spaced round periphery |
| CN101580983B (en) * | 2009-06-18 | 2011-04-13 | 朱爱萍 | Intelligent anti-overlapping loose edge device of double twister and method therefor |
| JP2012012137A (en) * | 2010-06-29 | 2012-01-19 | Murata Machinery Ltd | Yarn winding device |
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