CN102787464A - Real-time control system and control method for napping force of napping machine by multi-axle drive - Google Patents
Real-time control system and control method for napping force of napping machine by multi-axle drive Download PDFInfo
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- CN102787464A CN102787464A CN2012102970944A CN201210297094A CN102787464A CN 102787464 A CN102787464 A CN 102787464A CN 2012102970944 A CN2012102970944 A CN 2012102970944A CN 201210297094 A CN201210297094 A CN 201210297094A CN 102787464 A CN102787464 A CN 102787464A
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Abstract
The invention discloses a real-time control system and a control method for a napping force of a napping machine by a multi-axle drive, wherein the real-time control system comprises a PLC(Programmbale Logic Controller), a spreading roller transducer, a cylinder transducer, a clockwise porcupine roller transducer, an anticlockwise porcupine roller transducer, a front guide roller transducer, a back guide roller transducer and a draw-out roller transducer, and a real-time velocity-measuring system is also arranged. The real-time velocity-measuring system comprises a cylinder velocity-measuring sensor, a clockwise porcupine roller velocity-measuring sensor, an anticlockwise porcupine roller velocity-measuring sensor, a front guide roller velocity-measuring sensor, and a back guide roller velocity-measuring sensor; the real-time velocity-measuring system is connected with a high-speed counter input port of the PLC; each transducer is connected with the PLC through an RS485 serial port communication line; the PLC can synchronously visit each transducer to guarantee a collaborative operation of each motor. Due to adoption of the real-time control system, so that a constant rotary speed of fabrics in a napping process is guaranteed, namely, a constant napping force is controlled, and the real-time control system has the advantages of simple structure, high control precision and low failure rate.
Description
Technical field
The present invention relates to a kind of control system and control method of raising machine, be specifically related to a kind of raising machine multiaxis transmission fluffing power real-time control system and control method.
Background technology
Raising machine mainly is applicable to the fluffing processing of cotton textiles, BLENDED FABRIC and knitted fabric.The development of raising machine only has the history of decades; Be born in the eighties in last century with some high-grade raising machines German, that Italy is the master; And the research and development of domestic high-grade raising machine started from the beginning of 21 century, and the total trend of raising machine development both at home and abroad is environmental protection, green, energy-conservation, low consumption, efficient, intelligent at present.
The fluffing power of raising machine is meant the interaction force of (comprising along pin fluffing roller and contrary pin fluffing roller) of lining and teasing needle roller in the fluffing process.The size of fluffing power is relevant with selvage guide speed with the rotating speed of fluffing roller, and owing to the fluffing roller is installed on the cylinder, so the rotating speed of cylinder directly has influence on the rotating speed of fluffing roller.In the fluffing process; Different according to lining to the technological requirement of fluffing, between cloth cover and fluffing roller, need to keep the fluffing power of different sizes, and the fluctuation of the power of fluffing can not be excessive; Otherwise fabric strength is descended; Influence fabric property, make the fluffing deleterious, defective product such as cloth cover horizontal stripe, fine hair be inhomogeneous occur.Therefore, on the raising machine of high-speed cruising, the realization fluffing is tried hard to keep and is held constant very key, and the control quality of fluffing power will directly affect the quality of product.Domestic existing raising machine adopts the frequency converter drive motor mostly; Cylinder, fluffing roller, fabric guide roll rotating speed open-loop control system, this control system also exists a lot of other influence the factor of rotation speed change, like: the variation of various fabric elasticities, the variation of fabric tension when fluffing; The variation of fluffing power size, the variation of supply voltage, the variation of ac motor load; The variation of porcupine roller driving triangular belt degree of tightness makes that the control of fluffing power is unstable, has influenced the raising of textile product class.
Summary of the invention
Technical problem to be solved by this invention provides a kind of raising machine multiaxis transmission fluffing power real-time control system and control method; Guarantee the invariablenes turning speed of fabric in the fluffing process; Promptly controlled fluffing power constant, simple in structure, control accuracy is high, fault rate is low.
The technical scheme that technical solution problem of the present invention is adopted is: a kind of raising machine multiaxis transmission fluffing power real-time control system; Comprise PLC controller, the spreading roll frequency converter that is connected with the draw-out roller motor with spreading roll motor, cylinder motor, along porcupine roller motor, contrary porcupine roller motor, leading roller motor, back deflector roll motor respectively, cylinder frequency converter, along porcupine roller frequency converter, contrary porcupine roller frequency converter, preceding deflector roll frequency converter, back deflector roll frequency converter and draw-out roller frequency converter; Also be provided with real-time velocity-measuring system; Said real-time velocity-measuring system comprises the cylinder tachogenerator that is arranged on the cylinder, be arranged at along suitable the porcupine roller tachogenerator on the porcupine roller, be arranged at contrary porcupine roller tachogenerator on the contrary porcupine roller, be arranged at the preceding deflector roll tachogenerator on the preceding deflector roll and be arranged at the back deflector roll tachogenerator on the back deflector roll, and said real-time velocity-measuring system links to each other with the high-speed counter input port of PLC controller; Said each frequency converter is connected with the PLC controller through RS485 serial communication line, and said PLC controller can each frequency converter of synchronization of access, to guarantee the Collaboration of each motor.
As further improvement, the input-output equipment of said PLC controller is coupled touch-screen.
The control method of aforesaid raising machine multiaxis transmission fluffing power real-time control system is following:
The first step, the fabric that fluffs as required is through the parameter of touch-screen setting cylinder, suitable porcupine roller, contrary porcupine roller, preceding deflector roll, back deflector roll, spreading roll and draw-out roller;
Second step started raising machine, each live-roller entry into service, wherein:
(1) rotating speed of said spreading roll and draw-out roller is directly controlled by the parameter that sets by spreading roll frequency converter and draw-out roller frequency converter;
(2) cylinder motor, suitable porcupine roller, contrary porcupine roller, preceding deflector roll and back deflector roll tin motor are controlled by PLC in real time, and the control step is:
(a) the cylinder tachogenerator, along porcupine roller tachogenerator, contrary porcupine roller tachogenerator, preceding deflector roll tachogenerator and back deflector roll tachogenerator record cylinder in real time, along the tachometer value of porcupine roller, contrary porcupine roller, preceding deflector roll and back deflector roll;
(b) the PLC controller receives the tachometer value that described cylinder tachogenerator, suitable porcupine roller tachogenerator, contrary porcupine roller tachogenerator, preceding deflector roll tachogenerator and back deflector roll tachogenerator record in real time in real time; Then based on the gained tachometer value; Compare with the parameter of setting; Utilization PID control computational methods calculate cylinder motor, suitable porcupine roller motor, contrary porcupine roller motor, leading roller motor and back deflector roll rotating speed of motor changing value;
(c) PLC controller each rotating speed of motor changing value that will calculate gained through the serial communication line send to the cylinder frequency converter respectively, along porcupine roller frequency converter, contrary porcupine roller frequency converter, preceding deflector roll frequency converter and back deflector roll frequency converter, control the rotating speed of said associated motor again through said each frequency converter.
PID control computational methods among the present invention are the PD control computational methods that adopt based on manual intervention.
The present invention is a closed loop revolution speed control system, changes the collaborative closed-loop control of multiaxis of whole system into by the control of original open loop rotating speed, has improved control accuracy, makes in the raising machine running fluffing power more stable.Among the present invention, the real-time control method of fluffing power through adopting the PD control algolithm based on manual intervention, through the compensation of △ U, is realized the rotating speed compensate function, can obtain real-time, rotating speed adjusted value accurately, reaches the constant purpose of raising machine fluffing power.
Last deflector roll and draw-out roller link among the present invention.
The invention has the beneficial effects as follows: through tachogenerator set on each live-roller; Record the tachometer value of each live-roller in real time; Utilization PID control computational methods calculate each live-roller rotating speed of motor adjusted value, beam back each frequency converter again, control each rotating speed of motor again by each frequency converter; Thereby guarantee each live-roller invariablenes turning speed in the raising machine running, promptly guaranteed the constant of fluffing power.The present invention has improved the electromechanical integration of raising machine, intelligent degree, through many drive of motor, has improved the production efficiency and the stability of a system greatly.
Description of drawings
Fig. 1 is an embodiment of the invention circuit catenation principle block diagram.
Fig. 2 is the selvage guide process sketch map under the embodiment of the invention control.
Fig. 3 controls constant program control flow chart in real time for embodiment of the invention fluffing power.
Below in conjunction with accompanying drawing the present invention is further specified.
The specific embodiment
As shown in Figure 1; A kind of raising machine multiaxis transmission fluffing power real-time control system comprises PLC controller, the spreading roll frequency converter that is connected with the draw-out roller motor with spreading roll motor, cylinder motor, along porcupine roller motor, contrary porcupine roller motor, leading roller motor, back deflector roll motor respectively, cylinder frequency converter, along porcupine roller frequency converter, contrary porcupine roller frequency converter, preceding deflector roll frequency converter, back deflector roll frequency converter and draw-out roller frequency converter; Also be provided with real-time velocity-measuring system; This real-time velocity-measuring system comprises the cylinder tachogenerator that is arranged on the cylinder, be arranged at along suitable the porcupine roller tachogenerator on the porcupine roller, be arranged at contrary porcupine roller tachogenerator on the contrary porcupine roller, be arranged at the preceding deflector roll tachogenerator on the preceding deflector roll and be arranged at the back deflector roll tachogenerator on the back deflector roll, and this real-time velocity-measuring system links to each other with the high-speed counter input port of PLC controller; Each frequency converter is connected with PLC control system through RS485 serial communication line, and the PLC controller can each frequency converter of synchronization of access, to guarantee the Collaboration of each motor.The input-output equipment of PLC controller is coupled touch-screen.
As shown in Figure 2, adopt the selvage guide process after the above-mentioned raising machine multiaxis transmission fluffing power real-time control system following, raw material (cloth) is passed after tight cloth holder and the spreading roll; Then cloth is passed preceding deflector roll, draw cloth automatically, cloth is passed along porcupine roller, contrary porcupine roller; Automatically draw cloth, then cloth is passed the back deflector roll, draw cloth more automatically; Then cloth is passed deflector roll and draw-out roller, accomplish and to draw the cloth process, so far carried out and drawn cloth preparation before the fluffing.
The control method of aforesaid raising machine multiaxis transmission fluffing power real-time control system is following:
The first step, the fabric that fluffs as required is through the parameter of touch-screen setting cylinder, suitable porcupine roller, contrary porcupine roller, preceding deflector roll, back deflector roll, spreading roll and draw-out roller;
Second step started raising machine, each live-roller entry into service, wherein:
(1) rotating speed of said spreading roll and draw-out roller is directly controlled by the parameter that sets by spreading roll frequency converter and draw-out roller frequency converter;
(2) cylinder motor, suitable porcupine roller, contrary porcupine roller, preceding deflector roll and back deflector roll tin motor are controlled by PLC in real time, and the control step is:
(a) the cylinder tachogenerator, along porcupine roller tachogenerator, contrary porcupine roller tachogenerator, preceding deflector roll tachogenerator and back deflector roll tachogenerator record cylinder in real time, along the tachometer value of porcupine roller, contrary porcupine roller, preceding deflector roll and back deflector roll;
(b) the PLC controller receives the tachometer value that described cylinder tachogenerator, suitable porcupine roller tachogenerator, contrary porcupine roller tachogenerator, preceding deflector roll tachogenerator and back deflector roll tachogenerator record in real time in real time; Then based on the gained tachometer value; Compare with the parameter of setting; Utilization PID control computational methods calculate cylinder motor, suitable porcupine roller motor, contrary porcupine roller motor, leading roller motor and back deflector roll rotating speed of motor changing value;
(c) PLC controller each rotating speed of motor changing value that will calculate gained through the serial communication line send to the cylinder frequency converter respectively, along porcupine roller frequency converter, contrary porcupine roller frequency converter, preceding deflector roll frequency converter and back deflector roll frequency converter, control the rotating speed of said associated motor again through said each frequency converter.
As shown in Figure 3, after full machine started, frequency-changing control system was by 0 beginning accelerated service, and the accelerator medium speed detects in real time and shows, system gets at the uniform velocity phase run after quickening 15s, and at this moment, opening at the uniform velocity, the state rotating speed detects and control in real time in real time.Under state at the uniform velocity, when the rotating speed of real-time detection is different from setting value, just gets into and quicken or deceleration regime, the PD control based on manual intervention is adopted in rotating speed control.When full machine stops, opening deceleration control, stop up to machine.
Claims (4)
1. raising machine multiaxis transmission fluffing power real-time control system; Comprise PLC controller, the spreading roll frequency converter that is connected with the draw-out roller motor with spreading roll motor, cylinder motor, along porcupine roller motor, contrary porcupine roller motor, leading roller motor, back deflector roll motor respectively, cylinder frequency converter, along porcupine roller frequency converter, contrary porcupine roller frequency converter, preceding deflector roll frequency converter, back deflector roll frequency converter and draw-out roller frequency converter; It is characterized in that: also be provided with real-time velocity-measuring system; Said real-time velocity-measuring system comprises the cylinder tachogenerator that is arranged on the cylinder, be arranged at along suitable the porcupine roller tachogenerator on the porcupine roller, be arranged at contrary porcupine roller tachogenerator on the contrary porcupine roller, be arranged at the preceding deflector roll tachogenerator on the preceding deflector roll and be arranged at the back deflector roll tachogenerator on the back deflector roll, and said real-time velocity-measuring system links to each other with the high-speed counter input port of PLC controller; Said each frequency converter is connected with the PLC controller through RS485 serial communication line, and said PLC controller can each frequency converter of synchronization of access, to guarantee the Collaboration of each motor.
2. raising machine multiaxis transmission fluffing power real-time control system as claimed in claim 1, it is characterized in that: the input-output equipment of said PLC controller is coupled touch-screen.
3. control method that adopts aforesaid raising machine multiaxis transmission fluffing power real-time control system is characterized in that:
The first step, the fabric that fluffs as required is through the parameter of touch-screen setting cylinder, suitable porcupine roller, contrary porcupine roller, preceding deflector roll, back deflector roll, spreading roll and draw-out roller;
Second step started raising machine, each live-roller entry into service, wherein:
(1) rotating speed of said spreading roll and draw-out roller is directly controlled by the parameter that sets by spreading roll frequency converter and draw-out roller frequency converter;
(2) cylinder motor, suitable porcupine roller, contrary porcupine roller, preceding deflector roll and back deflector roll tin motor are controlled by PLC in real time, and the control step is:
(a) the cylinder tachogenerator, along porcupine roller tachogenerator, contrary porcupine roller tachogenerator, preceding deflector roll tachogenerator and back deflector roll tachogenerator record cylinder in real time, along the tachometer value of porcupine roller, contrary porcupine roller, preceding deflector roll and back deflector roll;
(b) the PLC controller receives the tachometer value that described cylinder tachogenerator, suitable porcupine roller tachogenerator, contrary porcupine roller tachogenerator, preceding deflector roll tachogenerator and back deflector roll tachogenerator record in real time in real time; Then based on the gained tachometer value; Compare with the parameter of setting; Utilization PID control computational methods calculate cylinder motor, suitable porcupine roller motor, contrary porcupine roller motor, leading roller motor and back deflector roll rotating speed of motor changing value;
(c) PLC controller each rotating speed of motor changing value that will calculate gained through the serial communication line send to the cylinder frequency converter respectively, along porcupine roller frequency converter, contrary porcupine roller frequency converter, preceding deflector roll frequency converter and back deflector roll frequency converter, control the rotating speed of said associated motor again through said each frequency converter.
4. the real-time control method of raising machine multiaxis transmission fluffing power real-time control system as claimed in claim 3 is characterized in that: said PID control computational methods are the PD control computational methods that adopt based on manual intervention.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210297094.4A CN102787464B (en) | 2012-08-21 | 2012-08-21 | Real-time control system and control method for napping force of napping machine by multi-axle drive |
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| CN201210297094.4A CN102787464B (en) | 2012-08-21 | 2012-08-21 | Real-time control system and control method for napping force of napping machine by multi-axle drive |
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| CN102787464A true CN102787464A (en) | 2012-11-21 |
| CN102787464B CN102787464B (en) | 2014-01-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273242A (en) * | 2019-08-01 | 2019-09-24 | 海宁纺织机械有限公司 | A kind of adjustable cylinder of diameter |
| CN115434063A (en) * | 2021-10-26 | 2022-12-06 | 中裕软管科技股份有限公司 | Double-machine synchronous weaving device and control method |
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| CN2289816Y (en) * | 1997-04-30 | 1998-09-02 | 山东墨龙集团总公司 | Textile raising machine |
| CN101694045A (en) * | 2009-09-15 | 2010-04-14 | 浙江理工大学 | Roughing-up machine multi-shaft drive tension control system and method for controlling tension thereof |
| CN102191648A (en) * | 2011-05-16 | 2011-09-21 | 上海嘉麟杰纺织品股份有限公司 | High-elastic doublesided plush fluffing equipment |
| CN202694082U (en) * | 2012-08-21 | 2013-01-23 | 海宁纺织机械厂 | Multi-shaft transmission raising force real-time control system of raising machine |
-
2012
- 2012-08-21 CN CN201210297094.4A patent/CN102787464B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2289816Y (en) * | 1997-04-30 | 1998-09-02 | 山东墨龙集团总公司 | Textile raising machine |
| CN101694045A (en) * | 2009-09-15 | 2010-04-14 | 浙江理工大学 | Roughing-up machine multi-shaft drive tension control system and method for controlling tension thereof |
| CN102191648A (en) * | 2011-05-16 | 2011-09-21 | 上海嘉麟杰纺织品股份有限公司 | High-elastic doublesided plush fluffing equipment |
| CN202694082U (en) * | 2012-08-21 | 2013-01-23 | 海宁纺织机械厂 | Multi-shaft transmission raising force real-time control system of raising machine |
Non-Patent Citations (1)
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| 李学波: "变频器在起毛机中的应用", 《变频器世界》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273242A (en) * | 2019-08-01 | 2019-09-24 | 海宁纺织机械有限公司 | A kind of adjustable cylinder of diameter |
| CN110273242B (en) * | 2019-08-01 | 2024-01-30 | 海宁纺织机械有限公司 | Diameter-adjustable cylinder |
| CN115434063A (en) * | 2021-10-26 | 2022-12-06 | 中裕软管科技股份有限公司 | Double-machine synchronous weaving device and control method |
| CN115434063B (en) * | 2021-10-26 | 2024-09-06 | 中裕软管科技股份有限公司 | Double-machine synchronous braiding device and control method |
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| CN102787464B (en) | 2014-01-08 |
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Address after: Haining Economic Development Zone Jiaxing city Zhejiang province 314400 Stone Road No. 22 Patentee after: Haining Textile Machinery Co Ltd Address before: Haining Economic Development Zone Jiaxing city Zhejiang province 314400 Stone Road No. 22 Patentee before: Haining Textile Machinery Factory |