CN106348093A - Edge stroke control system random in spinning grade range and method thereof - Google Patents
Edge stroke control system random in spinning grade range and method thereof Download PDFInfo
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- CN106348093A CN106348093A CN201610798201.XA CN201610798201A CN106348093A CN 106348093 A CN106348093 A CN 106348093A CN 201610798201 A CN201610798201 A CN 201610798201A CN 106348093 A CN106348093 A CN 106348093A
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- traverse
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Abstract
The invention discloses an edge stroke control system random in spinning grade range and a method thereof. Appropriate compensation is conducted on the curling density of a curling end face by superposing one random offset for an edge retracting stroke, grading the edge retracting stroke and uniformly distributing stroke arrival and departure points in a grading range, convex shoulders are avoided, and the convex edge phenomenon produced due to the mechanical inertia such as forward and reverse switching can be effectively avoided by superposing one random offset at each grade. The convex shoulders can be effectively prevented, the convex edge phenomenon can be eliminated, and the coiling forming quality is improved. Under high-speed unwinding in a follow-up process, broken ends and coil slippage can be greatly decreased. The edge stroke control system can be used for regular transverse movement of a reciprocating guide rod of a reciprocating silk guiding mechanism of a spinning machine and is suitable for edge stroke control of a winding mechanism for cylindrical winding of any line-shaped materials.
Description
Technical field
The present invention relates to spinning machinery control technology field, control particularly to the random edge traverse of spinning fractionation scope
System and method.
Background technology
Chemical-fibres filaments are wound into cylindrical package on spinning-drawing machine.During package, with the increase of winding diameter, roll up
The rolling density of dress end face is bigger than the rolling density in the middle of package, if do not processed, will form convex shoulder silk, causing up- coiler
The vibration of structure, damages the shaping of package, and broken end and knocking over easily occur in follow-up unwinding.In order to prevent the generation of convex shoulder,
There is multiple operational edges traverse processing method, for example: grooved rail traverse revised law, screw rod traverse revised law, classification traverse
Revised law etc., revises the wire ring package density at edge using the method for indentation package end traverse.But they all exist
Certain deficiency and defect, wherein distinct issues are that traverse can form chimb in minimum position the most.Due to these methods only
Can be run with the traverse limit of fixed position, and rotating switching action has machinery inertial, and drive mechanism has gap, every time
It is not to return immediately in traverse pole location, but the one small time of stop returns again to.Repeatedly after large period, spinning
Chimb phenomenon will be formed in these pole locations, thus affecting the high-speed unwinding quality of subsequent technique.
Content of the invention
For solving the above problems, it is an object of the invention to provide a kind of random edge traverse of spinning fractionation scope controls
System and method, it is intended to be effectively prevented convex shoulder, eliminate chimb phenomenon, improve package build quality.In subsequent technique at a high speed
Under unwinding, generation broken end and knocking over can be greatly reduced.
The present invention solves its problem and be the technical scheme is that
The random edge traverse control system of spinning fractionation scope, including silk cylinder and reciprocating thread guide mechanism for winding spinning,
Described reciprocating thread guide mechanism include guidewire body and on guidewire body transverse shifting guide lead filar guide, also include for
Winding spinning is carried out with the margin control of Edge position control, is used for the traversing guide rod of guidewire body and filar guide generation skew that links
With the drive mechanism for driving traversing guide rod movement, described margin control is by drive mechanism described back and forth the leading of connection
Bar, controls the migration stack amount size of guidewire body and filar guide, makes package edge indentation traverse size fractionation and random.
The random edge traverse control system of the spinning fractionation scope of the present invention, folded by controlling reciprocating thread guide mechanism to produce
Plus the traversing guide rod of side-play amount, and reaching control purpose, margin control passes through moving back and forth of drive mechanism correction connecting rod, makes
Guidewire body and mono- migration stack amount of filar guide Chen Sheng, can be prevented effectively from due to machinery inertials such as rotating switchings and produce
Chimb phenomenon, the present invention can be effectively prevented convex shoulder, eliminates chimb phenomenon, improves package build quality.In subsequent technique at a high speed
Under unwinding, generation broken end and knocking over can be greatly reduced.
Specifically, described drive mechanism includes servo-driver, motor, reductor, described margin control, servo
Driver, motor, reductor are sequentially connected, and also include connecting the groove for controlling its transverse shifting for the traversing guide rod end
Rail, described reductor connects grooved rail by driving belt, and described grooved rail controls described traversing guide rod traverse motion when rotating.
When carrying out Edge position control, margin control controls motor to rotate by servo-driver, then is realized accurately by reductor
Transmission control, then by driving belt control grooved rail and traversing guide rod accurately move back and forth the essence it is achieved that Edge position control
Really control.
The random edge traverse control method of spinning fractionation scope, according to the traverse series n control point pre-setting
Level package edge indentation traverse size sn, edge indentation traverse one random side-play amount of superposition, form final reality and move
Journey.
The random edge traverse control method of the spinning fractionation scope of the present invention, edge indentation traverse be superimposed one random
Side-play amount, by by edge indentation traverse divided rank, and traverse is uniformly distributed in rate range toward returning the benefit, and is package end
The rolling density in face is compensated in right amount, it is to avoid the generation of convex shoulder, and is superimposed random side-play amount, energy in each grade
It is prevented effectively from the chimb phenomenon producing due to machinery inertials such as rotating switchings, the present invention can be effectively prevented convex shoulder, eliminate
Chimb phenomenon, improves package build quality.Under subsequent technique high-speed unwinding, generation broken end and knocking over can be greatly reduced.
Further, random edge indentation traverse s of described classificationnMeet equation below:
sn=smin+(smax-smin) * (rand ()+n)/n, wherein:
snFor edge indentation traverse；
sminFor edge indentation traverse minima；
smaxFor edge indentation traverse maximum；
Rand () is random function in [0,1] interval for the output area；
N is default traverse series, represents that the zone leveling of whole indentation traverse in the action cycle is divided into n part；
N is the positive integer in [0, n-1] interval, and when needing every time in the action cycle to calculate classification superposition skew, n is in [0, n-1] area
Interior change.
Each action cycle, according to the traversing guide rod corresponding to the edge indentation traverse that current series calculates this action
Translational speed and traveling time, filar guide when rapid traverse drive moves back and forth, its displacement two ends toward returning the benefit with back and forth leading
The slow displacement of bar and gradually to middle shrinkage to the traverse limit of current series, then traversing guide rod reverse back at the same speed former
Point, the past also synchronization that returns the benefit of filar guide is expanded to maximum traverse position, during next action, according to the series corresponding to next action
Edge indentation traverse is made to make corresponding contraction, because rand () is random, the superposition side-play amount of therefore each action cycle
It is different from, due to being not in that identical traverse shrinks limit, become suddenly big winding thus without producing in certain position
Density and the phenomenon of chimb occurs.
As a kind of above-mentioned improved procedure, n described in each action cycle is sequentially carried out in [0, n-1] interval by size
Change.I.e. order traverse controls, and it includes, and the n of this action cycle is gradually reduced to minima by maximum, and at this moment n is by n-1
It is gradually reduced to 0.
As above-mentioned another kind of improved procedure, the n described in each action cycle selects in [0, n-1] interval the most successively
Big value and minima, until all positive integers in [0, n-1] interval are all selected.Insert sequence traverse to control, the change of n value
Do not possess gradual change law, each action cycle, first select maximum, make indentation traverse in edge maximum, reselection minima, allow side
Edge indentation traverse is minimum, reselection second largest value, the series of sub-minimum, and all positive integers in will be interval to [0, n-1] are complete
After portion selects, terminate during n=(n-1)/2, the method can solve the hardness in larger classification number n for the package both shoulders not
Equal problem, improves the Forming Quality of spinning cake.Its principle be allow spinning cake edge indentation traverse within each less time period,
Its meansigma methods keeps stable, makes the rolling density of each layer of wire ring keep stable.
Further, rand () is fixed value within an action cycle, carries out change at random during second action cycle.I.e.
In action cycle, rand () keeps a fixed value every time, and when starting in the next cycle, rand () regenerates a random number and supplies
Current period uses, and this benefit is to generate random number without frequent, and the unification of the stochastic variable of current period, be conducive to silk
Cake keeps preferable concordance and globality.
Further, reciprocating thread guide mechanism operation is being controlled to be controlled by the following method:
Step a, by traverse series n indentation minimum traverse smin, indentation maximum traverse smax, traverse run time tr, traverse stop
Time tsParameter and indentation traverse snThe correlation coefficient of formula algorithm inputs and is saved in the memorizer of margin control；
Step b, edge traverse control start before, current indentation traverse scope s is calculated by computermax-smin, current contract
Enter traverse snAnd velocity pulse number p of filar guide movementnAnd its pulse settings initial value tn, and initialize random function rand ()
Function seed, initialize traverse control sequence, for implement traverse control process real-time control provide comparison information；
Step c, startup Edge position control, during Edge position control, try to achieve next step indentation traverse s by computernAnd its speed
Degree pulse number pnAnd its next step action sequence number, according to the location status of current actual measurement, call real time control algorithms, control speed
The degree frequency of pulse, direction and time, and the braking of stop position and time.
Further, before the control of edge traverse, the real-time control offer comparison information for implementing edge traverse can be by side
Host computer in edge traverse computer control system completes technological parameter setting and calculates, and during edge traverse controls, is
The position control of execution edge traverse can control driving equipment to complete to transport by the slave computer in edge traverse computer control system
Action is made.
Brief description
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the system principle diagram of edge of the present invention traverse control system；
Fig. 2 is the order traverse curve chart of edge of the present invention traverse control method；
Fig. 3 is the slotting sequence traverse curve chart of edge of the present invention traverse control method.
Specific embodiment
With reference to shown in Fig. 1, the random edge traverse control system of the spinning fractionation scope of the present invention, spin including for winding
The silk cylinder 1 of silk and reciprocating thread guide mechanism 2, described reciprocating thread guide mechanism 2 include guidewire body 21 and on guidewire body 21 laterally
The filar guide 22 of mobile guiding lead, is also included for carrying out the margin control of Edge position control, being used for linking to winding spinning
Guidewire body 21 and filar guide 22 produce the traversing guide rod 3 of skew and the drive mechanism for driving traversing guide rod 3 movement, described
Margin control connects described traversing guide rod 3 by drive mechanism, drives the seal wire in guidewire body 21 and guidewire body 21
Device 22 produces lateral stacking skew, by controlling the migration stack amount size of guidewire body and filar guide, makes the indentation of package edge
Traverse size reaches classification and the random effect of scope.
Specifically, described drive mechanism includes servo-driver, motor 4, reductor 5, described margin control, watches
Take driver, motor 4, reductor 5 are sequentially connected, also include being arranged at traversing guide rod 3 end and be used for controlling it laterally to move
Dynamic grooved rail 6, described reductor 5 connects grooved rail 6 by driving belt 7, and described grooved rail 6 controls described traversing guide rod 3 when rotating
Transverse shifting.When carrying out Edge position control, margin control controls motor 4 to rotate by servo-driver, then by slowing down
Machine 5 realizes accurately being driven control, then controls the accurate transverse shifting of grooved rail 6 it is achieved that Edge position control by driving belt 7
Precise control.
The random edge traverse control system of the spinning fractionation scope of the present invention, drives reciprocating thread guide mechanism 2 by setting
Produce the traversing guide rod 3 of lateral stacking skew, margin control passes through the transverse shifting of driving mechanisms control reciprocating thread guide mechanism 2
Scope, makes filar guide 22 produce the random cross-direction shrinkage superposition skew of classification in its marginal position, can be prevented effectively from due to positive and negative
The chimb phenomenon turning the machinery inertials such as switching and producing, the present invention can be effectively prevented convex shoulder, eliminates chimb phenomenon, improves package
Forming quality.Under subsequent technique high-speed unwinding, generation broken end and knocking over can be greatly reduced.
The random edge traverse control method of the spinning fractionation scope of the present invention, according to the traverse series pre-setting
N controls hierarchic volumes rim edge indentation traverse size sn, edge indentation traverse one random side-play amount of superposition, formed final
Actual traverse.
Random edge indentation traverse s of described classificationnMeet equation below:
sn=smin+(smax-smin) * (rand ()+n)/n, wherein:
snFor edge indentation traverse, the i.e. past distance to middle shrinkage from current distalmost end that returns the benefit of current action filar guide 22；
sminFor edge indentation traverse minima, i.e. the edge indentation traverse minima of filar guide 22 movement on guidewire body 21；
smaxFor edge indentation traverse maximum, that is, filar guide 22 on guidewire body 21 movement toward returning the benefit from current distalmost end
To the minimum range of middle shrinkage, determine the minima that current spinning cake edge traverse is shunk；
Rand () is random function in [0,1] interval for the output area；
N is default traverse series, represents that an action cycle inward flange indentation traverse produces regularly changing, the control of n time
The flatness at spinning cake edge, after the edge rolling density of n bigger spinning cake package is so as to revise, as middle, wherein n is not
It is to be the bigger the better, typically take n to be equal to 6.；
N is the positive integer (i.e. n=0,1,2, * * *, n-1) in [0, n-1] interval, needs calculating classification folded in the action cycle every time
N change in [0, n-1] is interval when biasing is moved.
The random edge traverse control method of the spinning fractionation scope of the present invention it is impossible to the traverse limit of change become can
To make the traverse limit of change at random with sampling action.Indentation traverse size in edge is carried out the classification that can arrange, and can
The indentation traverse being directed to every one-level in each action cycle is superimposed same micro skew within the specific limits.Wherein each action
In the cycle, calculate the edge indentation traverse of this action according to current series, the past of filar guide 22 returns the benefit according to this indentation traverse
It is retracted to corresponding traverse pole location, during next action, move to corresponding traverse according to the series corresponding to next action
Pole location, because rand () is random, therefore every time the superposition side-play amount of action cycle is different from, due to longer when
Between section all without there is the indentation traverse repeating, thus without certain position produce repeat there is toward returning the benefit showing of chimb
As.
Wherein in the action cycle, traverse series n can be divided into order traverse to control according to technique initialization and insert sequence traverse and control.
When being controlled using order traverse, n described in each action cycle is sequentially become in [0, n-1] interval by size
Change.The n of this action cycle can be gradually reduced to minima by maximum, and that is, n is gradually reduced to by n-1, n-2, n-3, n-4
0 process.In addition the n of this action cycle keeps constant.
When being controlled using slotting sequence traverse, the n described in each action cycle select successively [0, n-1] interval in maximum and
Minima, until [0, n-1] interval in all positive integers all selected, that is, n from n-1,0, n-2,1 progressively become (n-1)/
2 process.The change of n value does not possess gradual change law, each action cycle, first selects the series of maximum, gives into traverse
Greatly, the series of reselection minima, gives minimum into traverse, big, the secondary little series of reselection time, until [0, n-1] is interval
After interior all positive integers are all selected, terminate during n=(n-1)/2, the method can solve spinning end hardness not
Equal problem, improves the Forming Quality of spinning cake.Its principle be allow spinning cake edge indentation traverse within each less time period,
Its meansigma methods keeps stable, makes the rolling density of each layer of wire ring keep stable..
Wherein rand () is fixed value within an action cycle, carries out change at random during second action cycle.I.e. every
In the secondary action cycle, rand () keeps a fixed value, and when starting in the next cycle, rand () regenerates a random number for working as
The front cycle uses, and this benefit is to generate random number without frequent, and the unification of the stochastic variable of current period, be conducive to spinning cake
Keep preferable concordance and globality.
It is controlled especially by following method in controlling reciprocating thread guide mechanism 2 traverse contraction process:
Step a, by traverse series n, indentation minimum traverse smin, indentation maximum traverse smax, traverse run time tr, traverse stop
Time tsParameter and indentation traverse snThe correlation coefficient of formula algorithm inputs and is saved in the memorizer of margin control；
Step b, edge traverse control start before, current indentation traverse scope s is calculated by computermax-smin, current contract
Enter traverse snAnd velocity pulse number p of filar guide 22 movementnAnd its pulse settings initial value tn, and initialize random function rand
The function seed of (), initializes traverse control sequence, and the real-time control for implementing traverse control process provides comparison information；
Step c, startup Edge position control, during Edge position control, try to achieve next step indentation traverse s by computernAnd its speed
Degree pulse number pnAnd its next step action sequence number, according to the location status of current actual measurement, call real time control algorithms, control speed
The degree frequency of pulse, direction and time, and the braking of stop position and time.
Further, before the control of edge traverse, the real-time control offer comparison information for implementing edge traverse can be by side
Host computer (man machine interface) in edge traverse computer control system completes technological parameter setting and calculates, and controls in edge traverse
During, for execution edge traverse position control can by edge traverse computer control system slave computer (single-chip microcomputer or
Plc system) control driving equipment (converter or servo-driver) to complete run action.
When carrying out traverse control, the displacement-time curve that servo-driver is controlled on side can reflect system control well
State.Illustrate, as shown in Fig. 24 grades of order traverse curve synoptic diagrams.
Wherein 4 grades of traverse series, traverse scope [2,10] mm, movement time 5s, dwell time 3s, traverse cycle 8s, often
Complete within 32 seconds 1 large period.N is run with the sequential loop of 4-3-2-1.Indentation traverse scope [2,10] mm is equally divided into 4 areas
Domain, there is 1 traverse limit in each region.Every 1 large period, traverse limit can overall random offset.This skew can solve
The chimb problem of system is controlled on side originally, is also one of innovative point of the present invention.
Another innovative point of the present invention is to insert sequence traverse to control, and illustrates, 4 grades of slotting sequence traverse curves as shown in Figure 3
Schematic diagram.This control mode is not that order from big to small is run by indentation traverse amplitude, but the basis in this order
On, the traverse after inside 1 large period is inserted operation in advance.Fig. 2 is exactly the slotting sort run with 4-1-3-2.If 8 grades
Traverse, will be run with 8-1-7-2-6-3-5-4.This control mode, during the traverse more than 8 grades controls, effect can compare
Substantially.Can solve the problems, such as that the hardness in larger classification number n for the package both shoulders is uneven, improve the Forming Quality of spinning cake.It is former
Reason be allow spinning cake edge indentation traverse within each less time period, its meansigma methods keeps stable, makes each layer of wire ring
Rolling density keeps stable.
The random edge traverse control method of the spinning fractionation scope of the present invention, edge indentation traverse be superimposed one random
Side-play amount, by by edge indentation traverse divided rank, and traverse is uniformly distributed in rate range toward returning the benefit, and makes package end
The rolling density in face waits until to compensate in right amount, it is to avoid the generation of convex shoulder, and is superimposed a random side-play amount in each grade, and
It is prevented effectively from the chimb phenomenon producing due to machinery inertials such as rotating switchings, the present invention can be effectively prevented convex shoulder, eliminate
Chimb phenomenon, improves package build quality.Under subsequent technique high-speed unwinding, generation broken end and knocking over can be greatly reduced.Available
In the traversing guide rod 3 of the reciprocating thread guide mechanism 2 of spinning-drawing machine regular traversing it is adaptable to any linear material of winding is cylindrical
The edge traverse of the winding mechanism of package controls.
The above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (9)
1. the random edge traverse control system of spinning fractionation scope, including silk cylinder and traversing machine for winding spinning
Structure, described reciprocating thread guide mechanism include guidewire body and on guidewire body transverse shifting guide lead filar guide, its feature
It is: also include for winding spinning being carried out with the margin control of Edge position control, being used for link guidewire body and filar guide product
The traversing guide rod of raw superposition skew and the drive mechanism for driving traversing guide rod movement, described margin control passes through driving machine
Structure connects described traversing guide rod, controls the migration stack amount size of guidewire body and filar guide, makes package edge indentation traverse
Size fractionation and random.
2. the random edge traverse control system of spinning fractionation scope according to claim 1 it is characterised in that: described drive
Motivation structure includes servo-driver, motor, reductor, described margin control, servo-driver, motor, deceleration
Machine is sequentially connected, and also includes connecting the grooved rail for controlling its transverse shifting for the traversing guide rod end, described reductor passes through transmission
Belt connects grooved rail, and described grooved rail controls described traversing guide rod traverse motion when rotating.
3. the random edge traverse control method of spinning fractionation scope it is characterised in that: according to the traverse level pre-setting
Number n controls hierarchic volumes rim edge indentation traverse size sn, edge indentation traverse one random side-play amount of superposition, formed final
Actual traverse.
4. the random edge traverse control method of spinning fractionation scope according to claim 3 it is characterised in that: described point
Random edge indentation traverse s of levelnMeet equation below:
sn= smin+ (smax- smin) * (rand ()+n)/n, wherein:
snFor edge indentation traverse；
sminFor edge indentation traverse minima；
smaxFor edge indentation traverse maximum；
Rand () is random function in [0,1] interval for the output area；
N is default traverse series, represents that the zone leveling of whole indentation traverse in the action cycle is divided into n part；
N is the positive integer in [0, n-1] interval, and when needing every time in the action cycle to calculate classification superposition skew, n is in [0, n-1] area
Interior change.
5. the random edge traverse control method of spinning fractionation scope according to claim 4 it is characterised in that: each move
Make n described in the cycle to be sequentially changed by size in [0, n-1] interval.
6. the random edge traverse control method of spinning fractionation scope according to claim 4 it is characterised in that: each move
Make the n described in the cycle select successively [0, n-1] interval in maximum and minima, until [0, n-1] interval in all just
Integer is all selected.
7., according to the edge traverse control method that the arbitrary described spinning fractionation scope of claim 4 to 6 is random, its feature exists
In: rand () is fixed value within an action cycle, carries out change at random during second action cycle.
8., according to the edge traverse control method that the arbitrary described spinning fractionation scope of claim 4 to 6 is random, its feature exists
In: it is controlled by the following method in the edge indentation traverse controlling reciprocating thread guide mechanism:
Step a, by traverse series n, indentation minimum traverse smin, indentation maximum traverse smax, traverse run time tr, traverse stop
Time tsParameter and indentation traverse snThe correlation coefficient of formula algorithm inputs and is saved in the memorizer of margin control；
Step b, edge traverse control start before, current indentation traverse scope s is calculated by computermax-smin, current contract
Enter traverse snAnd velocity pulse number p of filar guide movementnAnd its pulse settings initial value tn, and initialize random function rand ()
Function seed, initialize traverse control sequence, for implement traverse control process real-time control provide comparison information；
Step c, startup Edge position control, during Edge position control, try to achieve next step indentation traverse s by computernAnd its speed
Pulse number pnAnd its next step action sequence number, according to the location status of current actual measurement, call real time control algorithms, control speed
The frequency of pulse, direction and time, and the braking of stop position and time.
9. the random edge traverse control method of spinning fractionation scope according to claim 8 it is characterised in that: at edge
Before traverse controls, the real-time control offer comparison information for implementing edge traverse can be by edge traverse computer control system
Host computer complete technological parameter setting and calculate, during edge traverse controls, for the position control of execution edge traverse
Driving equipment can be controlled to complete run action by the slave computer in edge traverse computer control system.
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| CN201610798201.XA CN106348093B (en) | 2016-08-31 | 2016-08-31 | Edge stroke control system with random spinning grading range and method thereof |
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