CN104153071A - Intelligent control system for spun yarn forming - Google Patents
Intelligent control system for spun yarn forming Download PDFInfo
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- CN104153071A CN104153071A CN201410420184.7A CN201410420184A CN104153071A CN 104153071 A CN104153071 A CN 104153071A CN 201410420184 A CN201410420184 A CN 201410420184A CN 104153071 A CN104153071 A CN 104153071A
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Abstract
The invention relates to an intelligent control system for spun yarn forming. The intelligent control system comprises a signal acquisition unit, a control unit and an execution unit. The signal acquisition unit is used for collecting signals indicating whether a steel collar plate reaches an initial position, a yarn middle pull position, a pullback position and the highest position; the control unit is used for receiving the signals collected by the signal acquisition unit and outputting control signals after the collected signals are compared with set signals and judged; the execution unit is used for receiving the control signals output by the control unit and controlling ascending and descending of the steel collar plate according to the received control signals. According to the intelligent control system, whether the steel collar plate reaches the initial position, the yarn middle pull position, the pullback position and the highest position accurately can be precisely detected, it is guaranteed that each movement is precisely in place, and the defects brought by inaccurate positions are overcome.
Description
Technical field
The present invention relates to the fine spining machine that a kind of yarn production is used, relate in particular to the building control system of fine spining machine.
Background technology
The production unit of fine spining machine is spindle, often with the output of every thousand ingots hour (kilogram) weigh the level of production of fine spining machine.Cotton mill production scale is that the spindle sum that has fine spining machine represents.The yarn spinning on every spindle can break end due to a variety of causes, and the broken end number that Chang Yiqian ingot hour occurs represents end breakage rate.The height of end breakage rate affects labor productivity, equipment productivity, spun yarn quality and workshop dustiness.Fine spining machine is maximum machine that consumes energy in Spinning process.In fine spining machine production process, spin a full package (cop) and just will stop producing, after falling cop to change blank pipe, can continue spinning.Therefore the size of package affects labor productivity, equipment productivity, also affects energy consumption.Ingot speed, package, end breakage rate three, connect each other and restriction mutually, is the sign of fine spining machine technical merit height, need to consider from society, technology and economic aspect, determines comparatively appropriate numerical value.
Various fine spining machines are all comprised of feed mechanism, drafter, twist and winding mechanism substantially.The effect of feed mechanism is that rove or strip are taken out and extracted and feed to drafter.Yarn after drawing-off is exported by front roller, after twist becomes spun yarn, is wound on spool.The drawing-off of most of fine spining machines, twist and coiling effect are carried out continuously, by the difference of twist and winding mechanism used, are called ring throstle, centrifugal spindle spinning frame, flyer spinning frame, cap spinning frame and mule.
Ring throstle can continuous action, and spinning speed is higher, thereby is widely adopted gradually, has replaced most mules, becomes maximum a kind of of modern Application.Ring throstle consists of the fine spining machine of twist, winding mechanism spindle, rings and steel traveler etc.Be generally two-sided many ingots structure, the number of spindles of every fine spining machine is 300～500 ingots, also has the long vehicle of 800～1000 ingots.Ring throstle has various types and specification, to adapt to pure the spinning and blending of cotton, hair, fiber crops, thin,tough silk and chemical fibre etc., spins the spun yarn of jack per line number not or number.The course of work of cotton spinning ring throstle is: rove unwinding from the flyer bobbin by supporter support out, is carried out drawing-off through lever jack and traverse guide feeding drafting system.Yarn after drawing-off is exported by front roller, by twizzle, steel traveler, is spun into spun yarn after twist, is wound up on the bobbin being tightly placed on spindle.During spindle rotation, steel traveler is driven and rotates along rings inner arc face (being commonly called as runway) by sliver.Steel traveler is often goed around, and just adds that one is picked up back to the yarn after drawing-off.Meanwhile, due to the frictional resistance of steel traveler and rings, make the rotating speed of steel traveler lag behind spindle rotating speed, then produce and reel.
The twisting of ring throstle and shaping mechanism are driven by spindle band transmission spindle by the rolling disk or the cylinder that are contained on main shaft.4 spindles of every spindle band transmission, keep suitable tension force by tensioner, prevent from skidding causing the variation of spindle rotating speed.Some fine spining machines adopt is close to the tengential belt transmission on spindle wharve.Rings is contained on ring rail, and builder drives ring rail to do elevating movement, and spun yarn is wound on according to certain rules and on bobbin, becomes cop.The anti-ballooning ring that twizzle adopts when large package is sometimes in company with lifting according to certain rules together with ring rail, to control balloon tension and to reduce broken end.
The detailed process that the shaping mechanism of existing fine spining machine is controlled ring plate lifting is: ring rail moves upward from initial position (being set as 0mm), move to and draw middle yarn position (with respect to initial position, be generally 30-40mm), then the position (with respect to drawing middle yarn position return 3-5mm) of pulling back of pulling back to, rise to again extreme higher position (with respect to initial position, be generally 200mm left and right), when ring rail rises to this position, the full yarn of proof yarn, need to take off spool, the spool more renewing, more finish changing after spool, ring rail is returned to initial position, enter next circulation.When completing said process, there is following defect in existing fine spining machine:
1, ring rail moves upward, and drive to arrive and draw middle yarn position, and whether ring rail is to rely on workman to judge by experience to the middle yarn position of drawing to setting by motor, and cannot know accurate location, when return, will cause return not accurate enough, there is mass defect;
2, whether ring rail arrives extreme higher position in rising, also be that workman judges by experience, so just may put in place inaccurate, inaccurate once put in place, just may there is the defect of emitting yarn (yarn surpasses spool) or owing yarn (yarn is not around full spool), occur the inconsistent defect of spool weight;
3, ring rail is heavy iron block return what be returned to initial position employing, once motor stops operating, heavy iron block relies on gravity ring rail to be withdrawn into initial position, this return mode, return speed is uncontrolled, returning quickly, may cause yarn to be torn, and utilizes heavy iron block return, can not guarantee that ring rail has been returned to initial position accurately, once return is inaccurate, just may cause action below not in place, cause mass defect.
Summary of the invention
The defect that can not accurately put in place and exist in order to overcome existing Spinning Machine Control ring rail action, the invention provides a kind of spun yarn moulding intelligence control system, this intelligence control system can accurately detect whether ring rail accurately arrives initial position, draws middle yarn position, pull back position and extreme higher position, guarantee that each action accurately puts in place, has overcome the defect of bringing because position is inaccurate.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A spun yarn moulding intelligence control system, is characterized in that: comprise signal gathering unit, control module and performance element; Whether described signal gathering unit arrives initial position, draws yarn position for gathering ring rail, the signal of pull back position and extreme higher position, described control module, for receiving the signal that signal gathering unit collects, the signal of the signal collecting and setting is compared and judges rear output control signal, described performance element, for the control signal of reception control unit output, according to the control signal receiving, control ring rail and rise and decline.
Described signal gathering unit comprises position sensor and rotary encoder, sensor has three, be arranged on respectively initial position, pull back position and extreme higher position, described position sensor and rotary encoder are all connected on control module, whether described position sensor accurately arrives initial position for detection of ring rail, pull back position and extreme higher position, described rotary encoder for calculate ring rail and rise and lower by distance, described position sensor is input to the position signalling of the arrival of the ring rail collecting in control module, described rotary encoder the ring rail that calculates is risen and lower by distance signal be input in control module.
Described position sensor is photo-electric type inductive switch or touch switch.
Described control module is PLC intelligent controller, comprise position signalling input module, distance signal input module, setting value input module, comparison module and control signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, described distance signal input module for receive ring rail and rise and lower by distance signal, described setting value input module for input ring rail and rise and lower by the setting value of distance, described comparison module is for relatively the setting value of distance and the distance signal receiving compare, the position signalling that described signal output module receives according to the comparative result of comparison module and position signalling input module is exported different control signals.
Described performance element comprises frequency converter and motor, frequency converter connects and is connected with control module, motor is connected with frequency converter, motor drives ring rail to rise or declines, frequency converter is controlled turning to of motor and rotating speed according to the different control signals of control module output, thereby control rising and the down maneuver of ring rail, and the speed that rises and decline.
The present invention has the following advantages:
1, the present invention includes signal gathering unit, control module and performance element; Whether described signal gathering unit arrives initial position, draws yarn position for gathering ring rail, the signal of pull back position and extreme higher position, described control module, for receiving the signal that signal gathering unit collects, the signal of the signal collecting and setting is compared and judges rear output control signal, described performance element, for the control signal of reception control unit output, according to the control signal receiving, control ring rail and rise and decline.Signal gathering unit can accurately collect whether ring rail accurately reaches initial position, draws middle yarn position, pull back position and extreme higher position, while guaranteeing that ring rail accurately arrives each position, just can carry out next one action, guarantee there will not be the mass defect of bringing because position is inaccurate.The utility model control module is controlled the action of executing agency according to the signal of signal gathering unit collection, executing agency's action of every execution all needs to carry out according to the signal of signal gathering unit collection, fully effectively guarantees that ring rail accurately arrives above-mentioned four positions.
2, signal gathering unit of the present invention comprises position sensor and rotary encoder, sensor has three, be arranged on respectively initial position, pull back position and extreme higher position, described position sensor and rotary encoder are all connected on control module, whether described position sensor accurately arrives initial position for detection of ring rail, pull back position and extreme higher position, described rotary encoder for calculate ring rail and rise and lower by distance, described position sensor is input to the position signalling of the arrival of the ring rail collecting in control module, described rotary encoder the ring rail that calculates is risen and lower by distance signal be input in control module.When ring rail is positioned at initial position, while pulling back position and extreme higher position, position sensor can detect ring rail and whether accurately reach these positions, and the distance that rotary encoder rises and declines for record ring rail in good time, when ring rail is positioned at initial position, position sensor is transferred to control module by signal, then control module output control signal is controlled executing agency by upwards driving of ring rail, in the process moving upward along with ring rail, the distance that rotary encoder record and calculating ring rail rise, the distance rising when ring rail is during to the climb of setting, control module is controlled performance element and is driven ring rail to drop to the position of pulling back, when being positioned at the position sensor of the position of pulling back, ring rail being detected and reach position, and when the dropping distance of rotary encoder equates with the dropping distance of setting, control module is controlled performance element and is started to drive ring rail to rise, when the distance of encoder record is during in 200mm left and right, namely during extreme higher position, control module is controlled performance element and is no longer driven, after the spool that workman more renews, start whole control system, control module is controlled performance element and is driven ring rail to decline to be recorded as at 0 o'clock until be positioned at the distance that the position sensor of initial position detects guiding principle plate and encoder, proof ring rail accurately reaches initial position, can carry out next one circulation, so circulation is gone down, just can guarantee that ring rail can accurately reach each position, guarantee spinning quality.
3, position sensor of the present invention is photo-electric type inductive switch or touch switch.Photo-electric type inductive switch detects ring rail by the optical signal sending and whether arrives assigned address, and whether touch switch is arrived and triggered this switch after assigned address and whether detect ring rail and arrive by ring rail.Signal by switch just can allow control module judge accurately the position of ring rail, exports corresponding control signal.
4, control module of the present invention is PLC intelligent controller, comprise position signalling input module, distance signal input module, setting value input module, comparison module and signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, described distance signal input module for receive ring rail and rise and lower by distance signal, described setting value input module for input ring rail and rise and lower by the setting value of distance, described comparison module is for relatively the setting value of distance and the distance signal receiving compare, the position signalling that described signal output module receives according to the comparative result of comparison module and position signalling input module is exported different control signals.The present invention by PLC intelligent controller completing place signal and the acceptance of distance signal, the comparison of settling signal, by comparative result and the position signalling receiving, export the action that different control signals is controlled performance element, complete the speed of rising and the decline of ring rail, guarantee that ring rail accurately puts in place.
5, performance element of the present invention comprises frequency converter and motor, frequency converter connects and is connected with control module, motor is connected with frequency converter, motor drives ring rail to rise or declines, frequency converter is controlled turning to of motor and rotating speed according to the different control signals of control module output, thereby control rising and the down maneuver of ring rail, and the speed that rises and decline.Frequency converter is controlled accurately the rotating speed of motor and turns to according to the control signal receiving, just can realize the speed that ring rail rises, declines and rise and decline, with respect to prior art, adopt gravity block return, return is slowly even, can moment return, just can not break yarn yet.
Accompanying drawing explanation
Fig. 1 is the position view that position sensor of the present invention is installed;
Fig. 2 is overall structure schematic diagram of the present invention.
Mark 1, extreme higher position in figure, 2, draw middle yarn position, 3, the position of pulling back, 4, initial position, 5, spool, 6, position sensor, 7, head, 8, upper beam, 9, underbeam, 10, tail.
The specific embodiment
The defect that the ring rail that the present invention is directed to existing fine spining machine can not accurately arrive initial position, draw middle yarn position, bring pull back position and extreme higher position, a kind of spun yarn moulding intelligence control system is provided, the effect of this control system is rising and the decline process of controlling guiding principle plate, and control the speed of its rising and decline, and guarantee that ring rail can arrive above-mentioned four positions.
The present invention includes signal gathering unit, control module and performance element; Whether described signal gathering unit arrives initial position, draws yarn position for gathering ring rail, the signal of pull back position and extreme higher position, described control module, for receiving the signal that signal gathering unit collects, the signal of the signal collecting and setting is compared and judges rear output control signal, described performance element, for the control signal of reception control unit output, according to the control signal receiving, control ring rail and rise and decline.
Below in conjunction with specific embodiment, elaborate operation principle of the present invention; embodiment sets forth explanation to the present invention only time; the present invention is not limited to embodiment, and those skilled in the art are not paying under creative work prerequisite, are all the scope of protection of the invention.
Embodiment 1
Whether the present embodiment is the initial position 4 that need to arrive at existing fine spining machine guiding principle plate, a position sensor 6 is respectively installed in pull back position 3 and extreme higher position 1, for detection of ring rail, accurately put in place, and ring rail guiding yarn is wound around at spool 5.As shown in Figure 1, the head 7 of fine spining machine, tail 10, upper beam 8, underbeam 9 form four positions of ring rail motion, and these four positions are between upper beam 8, underbeam 9.
As shown in Figure 2, the present invention needs rotary encoder, PLC intelligent controller, frequency converter and motor, rotary encoder for calculate ring rail and rise and lower by distance, and the distance signal of calculating is transferred to PLC intelligent controller, PLC controller also will receive the position signalling that three position sensors transmit, PLC intelligent controller is by the distance signal of motion and the position signalling of ring rail of the ring rail that receives, judge which kind of control signal of output, thereby control motor positive and inverse and rotating speed by controlling frequency converter, reach the object of controlling ring rail action.
Concrete control principle is as follows: when ring rail is positioned at initial position, the position sensor that is positioned at initial position is transferred to ring rail the position signalling input module of PLC intelligent controller at the position signalling of initial position, rotary encoder is transferred to the distance signal of ring rail motion the distance signal input module of PLC intelligence control system, now the comparison module of PLC intelligence control system compares the value of the distance signal of the initial position of the distance signal receiving and setting, the distance signal receiving is 0 o'clock, the control signal of output starter motor forward, if the distance signal receiving is not 0 or is not to be positioned at the signal that the position switch of initial position transmits, control signal output module is output signal not, starter motor not.
When ring rail is arranged in while drawing yarn position, rotary encoder is transferred to the distance signal of ring rail motion the distance signal input module of PLC intelligence control system, now the comparison module of PLC intelligence control system compares the value of the distance signal of the middle yarn of drawing of the distance signal receiving and setting position, when the distance signal receiving is the distance of setting, the control signal of control signal output module output starter motor reversion, motor reversal, when the distance signal that rotary encoder transmits consistent with the distance of the position of pulling back of setting, and when the position signalling that the position sensor that is positioned at the position of pulling back detects ring rail is transferred to PLC control system, stop motor reversal, otherwise continue reversion.
When ring rail is positioned at extreme higher position, be positioned at the position signalling that the position sensor that is up to is positioned at ring rail in extreme higher position and be transferred to PLC control system, and the distance signal that rotary encoder calculates is transferred to PLC control system, the distance that the guiding principle plate of comparison module comparison distance signal and setting is positioned at extreme higher position compares, while equating, the control signal of output motor reversion, until the sensor of initial position detects the distance signal of ring rail and rotary encoder, be 0 o'clock, output stops the control signal of motor reversal.So circulation is gone down, and just can realize the automatic control of guiding principle plate action, realizes the Based Intelligent Control of the speed of guiding principle plate rise and fall, and can guarantee that guiding principle plate is accurately positioned at four positions and just carries out next step action, has realized accurate control.
In the present embodiment, position sensor is chosen as photo-electric type inductive switch, and photo-electric type inductive switch detects ring rail by the optical signal sending and whether arrives assigned address.
Collecting unit comprises rotary encoder and photo-electric type inductive switch in the present embodiment, and control module is PLC controller, and performance element is frequency converter and motor.
Embodiment 2
The present embodiment comprises signal gathering unit, control module and performance element; Whether described signal gathering unit arrives initial position, draws yarn position for gathering ring rail, the signal of pull back position and extreme higher position, described control module, for receiving the signal that signal gathering unit collects, the signal of the signal collecting and setting is compared and judges rear output control signal, described performance element, for the control signal of reception control unit output, according to the control signal receiving, control ring rail and rise and decline.
Described signal gathering unit comprises position sensor and rotary encoder, sensor has three, be arranged on respectively initial position, pull back position and extreme higher position, described position sensor and rotary encoder are all connected on control module, whether described position sensor accurately arrives initial position for detection of ring rail, pull back position and extreme higher position, described rotary encoder for calculate ring rail and rise and lower by distance, described position sensor is input to the position signalling of the arrival of the ring rail collecting in control module, described rotary encoder the ring rail that calculates is risen and lower by distance signal be input in control module.
Whether a position sensor 6 is respectively installed in the initial position 4 of the present embodiment, pull back position 3 and extreme higher position 1, for detection of ring rail, accurately put in place, and ring rail guiding yarn is wound around at spool 5.
Described position sensor is touch switch, and whether touch switch is arrived and triggered this switch after assigned address and whether detect ring rail and arrive by ring rail.
Described control module comprises position signalling input module, distance signal input module, setting value input module, comparison module and control signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, described distance signal input module for receive ring rail and rise and lower by distance signal, described setting value input module for input ring rail and rise and lower by the setting value of distance, described comparison module is for relatively the setting value of distance and the distance signal receiving compare, the position signalling that described signal output module receives according to the comparative result of comparison module and position signalling input module is exported different control signals.
Described performance element comprises fluid power system, and fluid power system is controlled the direction of its running of hydraulic power oil and rising and the down maneuver that speed is controlled ring rail according to the control signal of control module output, and the speed that rises and decline.
Claims (5)
1. spun yarn moulding intelligence control system, is characterized in that: comprise signal gathering unit, control module and performance element; Whether described signal gathering unit arrives initial position, draws yarn position for gathering ring rail, the signal of pull back position and extreme higher position, described control module, for receiving the signal that signal gathering unit collects, the signal of the signal collecting and setting is compared and judges rear output control signal, described performance element, for the control signal of reception control unit output, according to the control signal receiving, control ring rail and rise and decline.
2. spun yarn moulding intelligence control system according to claim 1, it is characterized in that: described signal gathering unit comprises position sensor and rotary encoder, sensor has three, be arranged on respectively initial position, pull back position and extreme higher position, described position sensor and rotary encoder are all connected on control module, whether described position sensor accurately arrives initial position for detection of ring rail, pull back position and extreme higher position, described rotary encoder for calculate ring rail and rise and lower by distance, described position sensor is input to the position signalling of the arrival of the ring rail collecting in control module, described rotary encoder the ring rail that calculates is risen and lower by distance signal be input in control module.
3. spun yarn moulding intelligence control system according to claim 2, is characterized in that: described position sensor is photo-electric type inductive switch or touch switch.
4. spun yarn moulding intelligence control system according to claim 1, it is characterized in that: described control module is PLC intelligent controller, comprise position signalling input module, distance signal input module, setting value input module, comparison module and control signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, described distance signal input module for receive ring rail and rise and lower by distance signal, described setting value input module for input ring rail and rise and lower by the setting value of distance, described comparison module is for relatively the setting value of distance and the distance signal receiving compare, the position signalling that described signal output module receives according to the comparative result of comparison module and position signalling input module is exported different control signals.
5. according to the spun yarn moulding intelligence control system described in claim 1,2 or 4, it is characterized in that: described performance element comprises frequency converter and motor, frequency converter connects and is connected with control module, motor is connected with frequency converter, motor drives ring rail to rise or declines, frequency converter is controlled turning to of motor and rotating speed according to the different control signals of control module output, thereby controls rising and the down maneuver of ring rail, and the speed that rises and decline.
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| CN201410420184.7A CN104153071B (en) | 2014-08-25 | 2014-08-25 | The shaping intelligence control system of spun yarn |
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| CN201410420184.7A CN104153071B (en) | 2014-08-25 | 2014-08-25 | The shaping intelligence control system of spun yarn |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357977A (en) * | 2014-11-27 | 2015-02-18 | 经纬纺织机械股份有限公司 | Doffing control device of spinning frame for increasing remained ends |
| CN104357982A (en) * | 2014-11-27 | 2015-02-18 | 经纬纺织机械股份有限公司 | Method for controlling action of steel collar plate of spinning frame |
| CN104480585A (en) * | 2014-11-27 | 2015-04-01 | 经纬纺织机械股份有限公司 | Doffing control method for increasing tailing of spinning machine |
| CN112831873A (en) * | 2020-12-31 | 2021-05-25 | 盐城师范学院 | Independent process independent control system and method based on ring spinning yarn quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104357977A (en) * | 2014-11-27 | 2015-02-18 | 经纬纺织机械股份有限公司 | Doffing control device of spinning frame for increasing remained ends |
| CN104357982A (en) * | 2014-11-27 | 2015-02-18 | 经纬纺织机械股份有限公司 | Method for controlling action of steel collar plate of spinning frame |
| CN104480585A (en) * | 2014-11-27 | 2015-04-01 | 经纬纺织机械股份有限公司 | Doffing control method for increasing tailing of spinning machine |
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| CN112831873A (en) * | 2020-12-31 | 2021-05-25 | 盐城师范学院 | Independent process independent control system and method based on ring spinning yarn quality |
| CN112831873B (en) * | 2020-12-31 | 2022-05-20 | 盐城师范学院 | Independent process independent control system and method based on ring spinning yarn quality |
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