CN104947342A - Sizing machine tension control system based on PLC and engineering frequency converter - Google Patents
Sizing machine tension control system based on PLC and engineering frequency converter Download PDFInfo
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- CN104947342A CN104947342A CN201510359269.3A CN201510359269A CN104947342A CN 104947342 A CN104947342 A CN 104947342A CN 201510359269 A CN201510359269 A CN 201510359269A CN 104947342 A CN104947342 A CN 104947342A
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Abstract
The invention discloses a sizing machine tension control system based on a PLC and an engineering frequency converter. The sizing machine tension control system comprises a sizing machine. The programmable logic controller, the tension frequency converter, an encoder, a display module, a vehicle speed sensor, a motor rotating speed sensor and a power supply module are arranged on the sizing machine. The tension frequency converter, the encoder, the display module and the power supply module are connected to corresponding ports of the programmable logic controller. The vehicle speed sensor and the motor rotating speed sensor are each connected with the programmable logic controller sequentially through an analog-to-digital conversion circuit and an amplification circuit. The sizing weaving axial tension control system is refitted to be controlled by the frequency converter, and the tension of the sizing machine tension control system can be easy to regulate; the control system is refitted to be semi-automated, control is easier, monitoring is convenient, and the maintenance amount is decreased.
Description
Technical field
The present invention relates to a kind of tension control system, particularly relate to a kind of Sizing machines tension control system based on PLC and Engineering inverter, belong to tension force control field.
Background technology
Tension force controls, and generally, keeps the power that object mutually elongates or tightens when will control exactly to batch object.Tension applicatcation is in the light industry such as papermaking the most widely, fiber, plastic sheeting, electric wire, printed matter, tape, and the quality of unwinding and rewinding tension force to product of band or wire rod plays vital effect.In rolling and the process that unreels, be the quality and efficiency that ensure to produce, keep constant tension force to be very important.
In the industries such as metallurgy, papermaking, weaving, in process or after machining, machining object is generally wound into tubular by a last procedure exactly.In this course, the quality of winding will be the key determining product quality, volume too tight, easily make fabric distortion, break, the too pine of volume easily makes again to batch not compact, be unfavorable for carrying and transport, thus making winding compact to reach, ensureing the quality of product, all requiring in winding process, fabric is set up certain tension force, and keep tension force to be a steady state value, the system of this function can be realized, be just called tension control system.The tension control system of current application, mainly contains three kinds according to the theory structure of its Survey control: indirect method tension control system; Direct method tension control system; Have the Compound tension control system of indirect method and direct method concurrently.
Classify from control mode, tension force controls generally to be divided into manual, semi-automatic, full-automatic three classes; Coil diameter control mode automatically can detect coil diameter thus adjust the executing agency of tension force, compensate, and realizes the constant of tension force.Coil diameter control mode belongs to semiautomatic control mode, its outstanding feature is just omitted the relatively costly tension pick-up of price, install simple, and taper tension control can be obtained very easily, be specially adapted to cutting and rolling machinery equipment of the industries such as metallurgy, printing, packaging, papermaking, printing and dyeing.
The Tensity size of Sizing machines directly affects output.Old-fashioned Sizing machines adopts mechanical transmission mechanism, and tension adjustment range is narrower.Along with the wearing and tearing of the aging machine components of equipment, tension force declines gradually.The high enterprise that impels changing machine components inconvenience and expense makes a decision to transform it.
Such as application number is a kind of tenslator of " 201310193026.8 ", be used in volume to volume roll unit to control the tension force of rolling, described volume to volume roll unit comprises Scroll, described tenslator comprises: thickness measuring unit, is positioned on described Scroll to be used for measuring the coil thickness on described Scroll; Processing unit, according to the tension value of the THICKNESS CALCULATION rolling that described thickness measuring unit is measured; And control unit, receive the tension value of described processing unit output to control the tension force of described Scroll.Tenslator can control the tension force on Scroll according to the difference of the thickness of coiled material respective change, thus to prevent in wrapup procedure coiled material surface scratch.
And for example application number is a kind of tenslator of " 201410600667.5 ", by drive division, tension force control part and output deflector roll composition, drive division has driven roller, mip rolls, mip rolls driver part and driven roller driver part, driven roller is connected with driven roller driver part, mip rolls is connected with mip rolls driver part, driven roller coordinates with mip rolls, tension force control part comprises block part, inductive means, fork, regulate deflector roll, adjustment member, fork rotary type is arranged on adjustment member, inductive means is fixed on fork, fork one end secured adjusted deflector roll, fork other end fixed block parts, be transferred material pile warp and export deflector roll, regulate deflector roll and be connected to driven roller, between mip rolls, 180 degree are less than around regulating the angle be transferred between material of deflector roll both sides.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Sizing machines tension control system based on PLC and Engineering inverter for the deficiency of background technology.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
Based on a Sizing machines tension control system for PLC and Engineering inverter, comprise Sizing machines, described Sizing machines is provided with Programmable Logic Controller, tension force frequency converter, encoder, display module, vehicle speed sensor, motor speed sensor and power module; Described tension force frequency converter, encoder, display module and power module are connected on the corresponding port of Programmable Logic Controller, and described vehicle speed sensor and motor speed sensor are connected Programmable Logic Controller by analog to digital conversion circuit, amplifying circuit all successively;
Described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects Programmable Logic Controller.
As the further preferred version of a kind of Sizing machines tension control system based on PLC and Engineering inverter of the present invention, the chip model of described Programmable Logic Controller is EC20-3232BRA.
As the further preferred version of a kind of Sizing machines tension control system based on PLC and Engineering inverter of the present invention, the chip model of described tension force frequency converter is EV3300-4T0220G.
As the further preferred version of a kind of Sizing machines tension control system based on PLC and Engineering inverter of the present invention, the chip model of described encoder is ES3-062N6941.
As the further preferred version of a kind of Sizing machines tension control system based on PLC and Engineering inverter of the present invention, described vehicle speed sensor adopts Hall-type vehicle speed sensor.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, structure of the present invention simple, be easy to realize, certainty of measurement is high;
2, the present invention has good interference free performance, can complete control effects preferably, stable and reliable operation;
3, the present invention transforms weaving-reel of starching-yarn machine tension control system by Frequency Converter Control, makes its Tensity size be easy to regulate; Structural control system, makes its semi-automatic, more easy to control, convenient supervision, reduces maintenance capacity.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention;
Fig. 2 is amplifying circuit circuit diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, a kind of Sizing machines tension control system based on PLC and Engineering inverter, comprise Sizing machines, it is characterized in that: on described Sizing machines, be provided with Programmable Logic Controller, tension force frequency converter, encoder, display module, vehicle speed sensor, motor speed sensor and power module; Described tension force frequency converter, encoder, display module and power module are connected on the corresponding port of Programmable Logic Controller, and described vehicle speed sensor and motor speed sensor are connected Programmable Logic Controller by analog to digital conversion circuit, amplifying circuit all successively; The present invention transforms weaving-reel of starching-yarn machine tension control system by Frequency Converter Control, makes its Tensity size be easy to regulate; Structural control system, makes its semi-automatic, more easy to control, convenient supervision, reduces maintenance capacity.
As shown in Figure 2, described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects Programmable Logic Controller.
Wherein, the chip model of described Programmable Logic Controller is EC20-3232BRA, and the chip model of described tension force frequency converter is EV3300-4T0220G, and the chip model of described encoder is ES3-062N6941, and described vehicle speed sensor adopts Hall-type vehicle speed sensor.The present invention transforms weaving-reel of starching-yarn machine tension control system by Frequency Converter Control, makes its Tensity size be easy to regulate; Structural control system, makes its semi-automatic, more easy to control, convenient supervision, reduces maintenance capacity.
Transmission controls: (1) calculates the speed reducing ratio of tension motor to beam of a loom: speed reducing ratio <=beam of a loom hollow coil diameter × 3.14 × Rated motor rotating speed/the max speed (linear speed)=(0.116 × 3.14 × 1460)/60=8.87;
(2) power of motor is checked: power of motor >=(maximum tension × Rated motor rotating speed × maximum beam of a loom radius)/(gearratio × 9549)=(5000 × 1460 × 0.25)/(8.87 × 9549)=21.5kw;
(3) parameter is determined: speed reducing ratio should be defined as about 8.8 as calculated.Manufacturer affects by self-condition when transforming, and determines speed reducing ratio to bring up to 13.15.Through manufacturer, the max speed=beam of a loom hollow coil diameter × 3.14 × Rated motor rotating speed/speed reducing ratio=(0.116 × 3.14 × 1460)/13.15=40.46 confirms that the max speed meets technological requirement.With determining that speed reducing ratio is 13.15.Speed encoder selects 600 line rotary encoders, hands over manufacturer to install in the lump.
(4) primary transducer setting parameter: select the td3000-t40110g frequency converter without velocity feedback open loop control mode according to the main frame frequency converter of Sizing machines actual conditions tension control system.
For ensureing the accuracy of parameter, by Ai Mo raw td3300-4t0220g Engineering-type vector frequency converter parameter initialization, factory reset.Control mode selects f0.02=1 (closed-loop vector control) to check, and whether encoder is normal.Fb.00=600; Press operation key, check that whether operation is normal.If frequency converter only works at about 2hz or starts overcurrent, display electric current is very large.May be then encoder wiring mistake, the reason such as direction is anti-often turning burst errors, encoder; If low cruise is normal, high speed overcurrent may be then that the shaft coupling of encoder loosens the reason of skidding at a high speed.
Register ratio: f1.00=13.15.Motor is tuning: according to the motor famous brand setting parameter of electric machine.The connection of motor and load must be disconnected when motor is tuning.Tuning process completes automatically, if tuning time motor can not rotate for a long time, illustrate that parameter of electric machine grave fault or motor have fault.Re-enter the parameter of electric machine or change motor.Motor drive direction confirms: being commonly defined as the traffic direction of motor when fwd controls is the direction of actual needs.Inertia is tuning: disconnect tuning by motor and load.
The present invention transforms weaving-reel of starching-yarn machine tension control system by Frequency Converter Control, makes its Tensity size be easy to regulate; Structural control system, makes its semi-automatic, more easy to control, convenient supervision, reduces maintenance capacity.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, makes a variety of changes under can also or else departing from the prerequisite of present inventive concept.
Claims (5)
1. the Sizing machines tension control system based on PLC and Engineering inverter, comprise Sizing machines, it is characterized in that: on described Sizing machines, be provided with Programmable Logic Controller, tension force frequency converter, encoder, display module, vehicle speed sensor, motor speed sensor and power module; Described tension force frequency converter, encoder, display module and power module are connected on the corresponding port of Programmable Logic Controller, and described vehicle speed sensor and motor speed sensor are connected Programmable Logic Controller by analog to digital conversion circuit, amplifying circuit all successively;
Described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects Programmable Logic Controller.
2. a kind of Sizing machines tension control system based on PLC and Engineering inverter according to claim 1, is characterized in that: the chip model of described Programmable Logic Controller is EC20-3232BRA.
3. a kind of Sizing machines tension control system based on PLC and Engineering inverter according to claim 1, is characterized in that: the chip model of described tension force frequency converter is EV3300-4T0220G.
4. a kind of Sizing machines tension control system based on PLC and Engineering inverter according to claim 1, is characterized in that: the chip model of described encoder is ES3-062N6941.
5. a kind of Sizing machines tension control system based on PLC and Engineering inverter according to claim 1, is characterized in that: described vehicle speed sensor adopts Hall-type vehicle speed sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510359269.3A CN104947342A (en) | 2015-06-25 | 2015-06-25 | Sizing machine tension control system based on PLC and engineering frequency converter |
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| CN201510359269.3A CN104947342A (en) | 2015-06-25 | 2015-06-25 | Sizing machine tension control system based on PLC and engineering frequency converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016206326A1 (en) * | 2015-06-25 | 2016-12-29 | 江苏海大印染机械有限公司 | Sizing machine tension control system based on plc and engineering frequency converter |
| CN106647525A (en) * | 2017-01-13 | 2017-05-10 | 江苏海大纺织机械股份有限公司 | Printing and dyeing sizing machine tension detection and control system |
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| US6119732A (en) * | 1998-02-05 | 2000-09-19 | Texo Ab | Warp thread consumption optimization apparatus for a weaving machine |
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2015
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Patent Citations (5)
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| US6119732A (en) * | 1998-02-05 | 2000-09-19 | Texo Ab | Warp thread consumption optimization apparatus for a weaving machine |
| CN1891873A (en) * | 2005-08-04 | 2007-01-10 | 盐城市宏华纺织机械有限公司 | Sizing machine chaine constant tension winding electronic control device |
| CN202047254U (en) * | 2010-12-23 | 2011-11-23 | 德州学院 | System for adjusting size jacking force of sizing slot of sizing machine |
| CN102953245A (en) * | 2011-08-31 | 2013-03-06 | 邵阳纺织机械有限责任公司 | Padder tension control system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016206326A1 (en) * | 2015-06-25 | 2016-12-29 | 江苏海大印染机械有限公司 | Sizing machine tension control system based on plc and engineering frequency converter |
| CN106647525A (en) * | 2017-01-13 | 2017-05-10 | 江苏海大纺织机械股份有限公司 | Printing and dyeing sizing machine tension detection and control system |
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Application publication date: 20150930 |