CN101199970B - Control system of dual frequency converting wire drawing machine - Google Patents
Control system of dual frequency converting wire drawing machine Download PDFInfo
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- CN101199970B CN101199970B CN200610157529XA CN200610157529A CN101199970B CN 101199970 B CN101199970 B CN 101199970B CN 200610157529X A CN200610157529X A CN 200610157529XA CN 200610157529 A CN200610157529 A CN 200610157529A CN 101199970 B CN101199970 B CN 101199970B
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Abstract
The invention provides a control system of a dual-frequency converting type wire drawing machine, which is composed of a plurality of main components, such as a wire drawing machine, a motor, a transducer, a cone pulley, a sensor and a pull traction frame. The system makes use of the dual-frequency converting controller to take the high speed pulse as the speed signal of the transducer; the two transducers are respectively connected with the wire putting and the wire collecting motor, and are used to realize the operation of the wire putting and the wire collecting from the wire drawing machine; the dual-frequency converting controller receives the main engine speed signal, the wire collecting speed signal and the tension control signal by two sensors; the two sensors use the proximity switch. Adopting the proposal, the invention improves the automatization control programme, and reduces the workload of the workers; the sensor uses the proximity switch to control the speed and tension, thus the reliability of the device is improved.
Description
Technical field
The present invention relates to a kind of dual frequency converting wire drawing machine, relate in particular to a kind of control system of dual frequency converting wire drawing machine.
Background technology
Wire drawing machine is a kind of wire cable production equipment commonly used, utilizes easy draftability wiry, and by a plurality of set of molds according to a certain ratio, the wire that diameter is thick is drawn into elongated wire, is widely used in productions such as copper, iron, steel, alloy.
The crucial speed control that is the take-up end of wire-drawing equipment control, what take-up was partly adopted is a kind of winding wheel device, increase along with take-up length, it is increasing to batch diameter, linear velocity is increasing under the constant situation of angular speed, when it during greater than the payingoff speed of driving wheel, thereby line can be broken at once to cause producing and stopped, to being slightly less than the main frame payingoff speed all the time so the core of control task is to guarantee the take-up linear velocity.
Wire-drawing equipment commonly used has monotropic frequency control system and two kinds of two frequency-changing control systems, and monotropic frequency adopts motor of a frequency converter, and take-up end power changes the position of belt in pheasant is taken turns and realizes speed governing by pheasant wheel and belt transmission; Two frequency conversion wire drawing machine systems adopt two frequency converters, and two motor are realized electric machine speed regulation by changing the frequency converter output frequency; The apparatus sketch of the dual frequency converting wire drawing machine of prior art as shown in Figure 1, the control system of wire drawing machine is controlled frequency converter with signal feeding to the take-up that is received, drive take-up by a take-up motor, the take-up end is by being equipped with the guide wheel of tension bracket and tension pick-up, output wire tension signal, be input to take-up control frequency converter as wire drawing takeup tension signal feedback, take-up control frequency converter is by the internal PID closed-loop control, the decision output frequency, this output frequency is by the control of master control system output to wire drawing link control unwrapping wire motor.In this control system, the rate signal of primary transducer given given by external potentiometer output voltage, potentiometer is limited service life; And take-up control frequency converter adopts is special converter, and its price is higher, and manufacturer is few, and selectivity is little, therefore causes the cost of wire drawing machine higher.What tension feedback adopted is displacement transducer, and this also is the rapid wear components and parts.
Therefore, its whole cost of the wire drawing machine of prior art is higher, and easily worn part is more, has yet to be improved and developed.
Summary of the invention
The objective of the invention is to provide a kind of control system of dual frequency converting wire drawing machine at the defective that above-mentioned prior art exists, its employing high-speed pulse is given as the frequency converter rate signal, in order to improve the automation control program, employing improves the reliability of equipment near the control of switch acquisition speed and tension force.
Technical scheme of the present invention is as follows:
A kind of control system of dual frequency converting wire drawing machine comprises wire drawing machine, cone pulley, first motor and second motor, pull hitch frame and take-up pulley, described first motor control drives the described rotating speed that pulls hitch frame, and described second motor control drives the rotating speed of described take-up pulley; It also comprises a pair of frequency-variable controller, controls the first frequency converter D1 and the second frequency converter D2 by different high-speed pulses respectively; The described first frequency converter D1 is electrically connected with the first motor IM1, is used for controlling the speed from the wire drawing machine unwrapping wire; The described second frequency converter D2 is connected to the second motor IM2, is used to control the speed of described take-up pulley take-up; Described pair of frequency-variable controller also is electrically connected first sensor S1, is used to receive the described rate signal that pulls hitch frame, and is electrically connected the second sensor S2, is used to receive the take-up speed signal, with real-time detection speed and tension force; Described pair of frequency-variable controller controlled the first frequency converter D1, controlled the second frequency converter D2 by second high-speed pulse by first high-speed pulse; Two frequency-variable controllers receive the comparative result of the speed pull hitch frame and the velocity amplitude of setting according to first sensor S1, adjust first high-speed pulse, with the correction payingoff speed; The take-up speed that receives according to the second sensor S2 and the comparative result of the slippery difference of setting are adjusted second high-speed pulse, with the correction take-up speed.Two frequency-variable controllers receive main frame rate signal and take-up speed signal by two sensors, and first sensor S1 is arranged on described pulling on the hitch frame, and the second sensor S2 is arranged on the described cone pulley, and two sensors have adopted near switch.It comprises display, input module, output module, pulse output module and embedded processing systems the described pair of frequency-variable controller; Embedded processing systems and display, input module, output module, the pulse output module signal connects, and input module is used for sensor-lodging and user's input information and sends to described embedded processing systems; Embedded processing systems is used to handle input signal, and signal is inputed to output module and pulse output module; Output module provides brake signal and the indication of machine run signal by relay output; Pulse output module is input to frequency converter D1 and D2 with the high-speed pulse signal, drives the speed of unwrapping wire motor and take-up motor by the different frequency of frequency converter output, thereby has controlled unwrapping wire and take-up speed, and slippery difference is adjusted in control.
The control system of a kind of dual frequency converting wire drawing machine provided by the present invention, the employing high-speed pulse is given as the frequency converter rate signal, has improved the automation control program, has reduced workman's workload, sensor adopts the control near switch acquisition speed and tension force, has improved the reliability of equipment.
Description of drawings
Fig. 1 is the wiredrawing machinery working equipment sketch of prior art;
Fig. 2 is a wiredrawing machinery working equipment sketch of the present invention;
Fig. 3 is an of the present invention pair of frequency-variable controller control flow chart.
The specific embodiment
Below preferred embodiment of the present invention is described in detail.
The invention provides a kind of control system of dual frequency converting wire drawing machine, wiredrawing machinery working equipment sketch as shown in Figure 2, it comprises wire drawing machine, first motor and second motor, frequency converter, cone pulley, sensor and pull critical pieces such as hitch frame, described first motor control drives the described rotating speed that pulls hitch frame, and described second motor control drives the rotating speed of described take-up pulley; Also comprise a pair of frequency-variable controller, control the first frequency converter D1 and the second frequency converter D2 by different high-speed pulses respectively; The described first frequency converter D1 is electrically connected with the first motor IM1, is used for controlling the speed from the wire drawing machine unwrapping wire; The described second frequency converter D2 is connected to the second motor IM2, is used to control the speed of described take-up pulley take-up; Described pair of frequency-variable controller also is electrically connected first sensor S1, is used to receive the described rate signal that pulls hitch frame, and is electrically connected the second sensor S2, is used to receive the take-up speed signal, with real-time detection speed and tension force.
Described pair of frequency-variable controller sends first high-speed pulse 1 by user's given speed value to the first frequency converter D1, the different controlled frequency of the different control of frequency first frequency converter D1 output by this first high-speed pulse 1, control the rotating speed and the rotating speed that pulls hitch frame of the first motor IM1, thereby determine payingoff speed.
Described pair of frequency-variable controller exported second high-speed pulse 2 by user's setting speed value and setting slippery difference and given the second frequency converter D2, by the output frequency of these second high-speed pulse, 2 controls second frequency converter D2, carry out take-up to drive the control motor by take-up reel thereby be input to the second motor IM2.
Of the present invention pair of frequency-variable controller is by receiving main frame speed and take-up speed signal feedback to two sensors, with control unwrapping wire pulse and take-up pulse value; These two sensors have all adopted near switch.This pair frequency-variable controller receives the rate signal that pulls hitch frame by the first sensor S1 that is positioned at leading-out terminal, and with the velocity amplitude that sets relatively, adjust the output of first high-speed pulse 1, thereby proofread and correct the speed that pulls hitch frame, first sensor S1 is arranged on described pulling on the hitch frame.
This pair frequency-variable controller receives the take-up speed signal feedback by the second sensor S2 that is positioned at the take-up end, compare with the slippery difference that sets, adjust 2 outputs of second high-speed pulse, thereby proofread and correct the speed of take-up speed, just proofreaied and correct slippage, the described second sensor S2 is arranged on the described cone pulley.
The employing high-speed pulse is given as the frequency converter rate signal, and the speed linearity is divided into 2000 grades, starts the machine with the speed threshold of setting, and measures main frame rate signal and take-up speed signal, calculates the unit speed value of maximum speed value and each grade.
By outside acceleration and deceleration button the final speed of service can be set directly,, calculate the pulse frequency shelves of given speed correspondence, revise frequency values and get final product if when the speed of actual speed and setting is inconsistent.
Its control method and flow process:
Start the machine, primary transducer and take-up frequency converter be with the operation of given speed in frequency, judges and wait for to the state of operating steadily (in general several seconds, traveling at the uniform speed gets final product) according to the hall sensing signal;
(1) the unit pulse speed and the maximum speed of computation host and take-up motor, according to target pulse quantity and the take-up frequency converter number of pulses that the final speed that is provided with and the rate of skidding are calculated primary transducer respectively, main frame speed=be provided with speed/(100%-skid rate);
(2) carry out the frequency conversion acceleration and deceleration simultaneously according to the acceleration of setting;
(3) in the running at set intervals (we value 1 second) calculate current main frame speed and take-up speed, the calculating rate of skidding: slippery difference=(main frame speed-take-up speed)/main frame speed X100%, if slippery difference is less than the lower limit of setting or greater than higher limit, then calculate take-up speed value and take-up number of pulses as desired value, carry out acceleration and deceleration with the acceleration that is provided with moderate slippery difference;
(4) along with the increase of take-up length, the take-up disk track is increasing, and speed is more and more faster, and slippage is more and more littler, can adjust the frequency of take-up motor by above-mentioned (4) step, can guarantee all the time in normal slippage scope;
(5) stopping process: the velocity amplitude of the unit pulse of computation host and take-up motor, calculate accekeration guaranteeing that the take-up motor speed is less than under the prerequisite of main frame speed all the time, carry out acceleration and deceleration simultaneously;
Be illustrated in figure 3 as the two frequency-variable controller structured flowcharts in the control system of the present invention, described pair of frequency-variable controller comprises display, input module, output module, pulse output module and embedded processing systems; Wherein, input module is used for sensor-lodging, outside acceleration and deceleration button signal, and main frame stops and enabling signal, and sends to described embedded processing systems; Described embedded processing systems is used to handle input signal, and signal is inputed to output module and pulse output module; Output module provides brake signal and the indication of machine run signal by relay output; Described pulse output module is used for first high-speed pulse 1 is input to the first frequency converter D1, and second high-speed pulse 2 is input to the second frequency converter D2.Drive the speed of unwrapping wire motor and take-up motor by the different frequency of frequency converter output, thereby controlled unwrapping wire and take-up speed, slippery difference is adjusted in control.
The control system of dual frequency converting wire drawing machine of the present invention, by adopting pair high-speed pulse of frequency-variable controllers output as control to the frequency converter rate signal, improved the automation control program, and the sensor employing is set near the feedback signal of switch with acquisition speed and tension force, not only improved the reliability of equipment, production process is more smooth and easy, and has improved the service life of equipment, and its accessory cost is low, safeguards simpler.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (5)
1. the control system of a dual frequency converting wire drawing machine comprises wire drawing machine, cone pulley, first motor and second motor, pull hitch frame and take-up pulley, described first motor control drives the described rotating speed that pulls hitch frame, and described second motor control drives the rotating speed of described take-up pulley; It is characterized in that, also comprise a pair of frequency-variable controller, control the first frequency converter D1 and the second frequency converter D2 by different high-speed pulses respectively; The described first frequency converter D1 is electrically connected with the first motor IM1, is used for controlling the speed from the wire drawing machine unwrapping wire; The described second frequency converter D2 is connected to the second motor IM2, is used to control the speed of described take-up pulley take-up; Described pair of frequency-variable controller also is electrically connected first sensor S1, is used to receive the described rate signal that pulls hitch frame, and is electrically connected the second sensor S2, is used to receive the take-up speed signal, with real-time detection speed and tension force;
Described pair of frequency-variable controller controlled the first frequency converter D1, controlled the second frequency converter D2 by second high-speed pulse by first high-speed pulse;
Two frequency-variable controllers receive the comparative result of the speed pull hitch frame and the velocity amplitude of setting according to first sensor S1, adjust first high-speed pulse, with the correction payingoff speed; The take-up speed that receives according to the second sensor S2 and the comparative result of the slippery difference of setting are adjusted second high-speed pulse, with the correction take-up speed.
2. control system according to claim 1 is characterized in that, described pair of frequency-variable controller comprises input module, output module, pulse output module and embedded processing systems; Described embedded processing systems and input module, output module, pulse output module is electrically connected, and described input module is used to receive described first sensor and second sensor signal and user's input information; Described embedded processing systems is used to handle the signal from described input module input, the control output module is exported the indication that brake signal and machine run signal are provided by relay, and the control impuls output module is input to the first frequency converter D1 and the second frequency converter D2 with the high-speed pulse signal.
3. control system according to claim 2 is characterized in that, described first sensor S1 is arranged on described pulling on the hitch frame, and the described second sensor S2 is arranged on the described cone pulley.
4. control system according to claim 2 is characterized in that, the described first sensor S1 and the second sensor S2 use non-contact switch.
5. control system according to claim 4 is characterized in that described non-contact switch is near switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610157529XA CN101199970B (en) | 2006-12-13 | 2006-12-13 | Control system of dual frequency converting wire drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610157529XA CN101199970B (en) | 2006-12-13 | 2006-12-13 | Control system of dual frequency converting wire drawing machine |
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| Publication Number | Publication Date |
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| CN101199970A CN101199970A (en) | 2008-06-18 |
| CN101199970B true CN101199970B (en) | 2011-10-05 |
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| CN200610157529XA Expired - Fee Related CN101199970B (en) | 2006-12-13 | 2006-12-13 | Control system of dual frequency converting wire drawing machine |
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Families Citing this family (14)
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| US8256085B2 (en) * | 2008-11-17 | 2012-09-04 | Lincoln Global, Inc. | System and method for classifying wire |
| CN101860291B (en) * | 2010-05-12 | 2011-12-07 | 东莞市科力钢铁线材有限公司 | Special frequency converter for wire drawing machine and control method thereof |
| CN102139285A (en) * | 2010-11-12 | 2011-08-03 | 吴江市神州双金属线缆有限公司 | Continuous drawing device |
| CN102139286A (en) * | 2010-11-12 | 2011-08-03 | 吴江市神州双金属线缆有限公司 | Control device used for continuous drawing |
| CN102107226B (en) * | 2010-12-24 | 2012-07-11 | 玉溪玉杯金属制品有限公司 | Metal wire tension detection and control device in straight line wire drawing machine |
| CN102773275B (en) * | 2012-04-12 | 2015-07-01 | 广东双利电缆有限公司 | Novel aluminium alloy wire drawing unit |
| CN102800421B (en) * | 2012-07-05 | 2014-02-19 | 河南省通信电缆有限公司 | Control system for repair rewinding machine for cable |
| CN103846292B (en) * | 2012-11-29 | 2015-08-19 | 刘平 | Wire drawing machine capable of freely lifting |
| CN104668298A (en) * | 2015-01-30 | 2015-06-03 | 南通弘峰机电有限公司 | Multi-head wire drawing machine |
| CN105215066B (en) * | 2015-09-30 | 2017-12-26 | 深圳市英威腾电气股份有限公司 | Wire drawing machine system and its method for controlling frequency conversion, length of string computational methods and device |
| CN108762114B (en) * | 2018-02-27 | 2021-01-26 | 深圳市海浦蒙特科技有限公司 | Wire drawing machine control method, wire drawing machine control device, and storage medium |
| CN109911700B (en) * | 2019-02-27 | 2021-06-04 | 上海电气集团股份有限公司 | Driving device of wire harness winding machine |
| CN110899349B (en) * | 2019-12-10 | 2022-05-10 | 宁波汉博贵金属合金有限公司 | Wire drawing machine |
| CN112872065B (en) * | 2020-12-31 | 2024-11-26 | 安徽华科实业有限公司 | A straight-through wire drawing machine and its use method |
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| CN2413814Y (en) * | 1999-12-02 | 2001-01-10 | 江苏法尔胜技术开发中心 | Controller for water tank wire draw bench |
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| CN2772667Y (en) * | 2005-02-05 | 2006-04-19 | 贵州航天南海机电有限公司 | Creel positioning stopper of wire pay-off device |
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2006
- 2006-12-13 CN CN200610157529XA patent/CN101199970B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413814Y (en) * | 1999-12-02 | 2001-01-10 | 江苏法尔胜技术开发中心 | Controller for water tank wire draw bench |
| CN2523527Y (en) * | 2001-11-05 | 2002-12-04 | 韩迎涛 | Automatic adjusting metal wire drawing machine |
| CN2772667Y (en) * | 2005-02-05 | 2006-04-19 | 贵州航天南海机电有限公司 | Creel positioning stopper of wire pay-off device |
| CN1873571A (en) * | 2006-05-08 | 2006-12-06 | 江苏高精机电装备有限公司 | Integrated control system based on bus for variable frequency speed control of wire drawing bench |
Non-Patent Citations (1)
| Title |
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| JP昭61-159217A 1986.07.18 |
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| CN101199970A (en) | 2008-06-18 |
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Granted publication date: 20111005 Termination date: 20131213 |