CN105438892A - Tension control system for take-up device of microwire drawing machine - Google Patents
Tension control system for take-up device of microwire drawing machine Download PDFInfo
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- CN105438892A CN105438892A CN201410522067.1A CN201410522067A CN105438892A CN 105438892 A CN105438892 A CN 105438892A CN 201410522067 A CN201410522067 A CN 201410522067A CN 105438892 A CN105438892 A CN 105438892A
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Abstract
The invention discloses a tension control system for a take-up device of a microwire drawing machine. The tension control system comprises a drawing frequency converter connected with a drawing motor of the microwire drawing machine, and a take-up frequency converter connected with a take-up motor of the microwire drawing machine. The drawing frequency converteris connected with the take-up frequency converter through a control circuit. The take-up frequency converter is connected with a tension sensor and also connected with a linear speed potentiometer. A tension signal of a metal wire is detected and output by the tension sensor and fed back and input into the take-up frequency converter. The feedback quantity and the current synchronous speed of the take-up motor are superposed after operational compensation is conducted on the feedback quantity through the take-up frequency converter, and the output frequency of the drawing frequency converter is adjusted, so that the rotating speed of the take-up motor is controlled to be synchronous relative to the wire outlet linear speed of the drawing motor, and accordingly the tension of wires is kept constant. According to the tension control system, by the adoption of double-variable-frequency control, the production efficiency is remarkably improved, the wire breakage rate is obviously decreased, the quality of finished products is remarkably improved, and meanwhile the electricity saving effect is quite remarkable.
Description
Technical field
The present invention relates to electric wire processing technique field, be specifically related to a kind of two variable frequency control of adopting, takeup tension is stablized, the take-up tension control system of the glass-coated microwire wire drawing machine that outage is low.
Background technology
In the control system of wire drawing machine, tension control system is in core status, and the tension force how better controlling copper cover aluminum product becomes the key of improving the quality of products with benefit.The more employing AC speed regulating of current existing wire drawing machine equipment, single conversion system controls wire drawing machine and stretches.But because the slip amount of the wire drawing machine of single variable frequency control is too large, at the saving energy, reduce in unit cost production further and Shortcomings in employee's operation, its reason is that the defect of slip control tension force own causes.Along with improving constantly of line cable industry technological requirement and human cost; the tensile requirements of wire drawing machine system to rolling is also more and more higher, originally need human assistance start, accelerate overshoot excessive, can promptly break shut down Frequency Converter Control winding system scheme more and more can not meet modern crafts requirement.Along with product is to the trend of high quality miniaturization direction development, the wire diameter that stretcher stretches is more and more less, in wire drawing machine particularly tension force vector frequency converter apply in the rolling of glass-coated microwire wire drawing machine and have higher requirement.
Summary of the invention
In order to solve the defect that above-mentioned technology exists, the invention provides a kind of two variable frequency control that adopts, takeup tension is stablized, the take-up tension control system of the glass-coated microwire wire drawing machine that outage is low.
The present invention realizes the technical scheme that above-mentioned technique effect adopts:
A kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine, comprise the stretching frequency converter be connected with the stretching motor of wire drawing machine, the take-up frequency converter be connected with the take-up motor of wire drawing machine, be connected by control circuit between described stretching frequency converter with described take-up frequency converter, described take-up frequency converter is connected with tension pick-up, described take-up frequency converter is connected with linear velocity potential device, described tension pick-up exports tension signal wiry feed back input to described take-up frequency converter for detecting, after this feedback quantity is carried out computing compensation by described take-up frequency converter, superpose with the current sync speed of described take-up motor, and the output frequency of stretching frequency converter is regulated, the wire vent linear velocity controlling the relatively described stretching motor of described take-up motor speed reaches synchronous, wire tension is made to keep constant.
Above-mentioned a kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine, the conversion frequencies of described stretching motor is given by the analog signals of described linear velocity potential device.
Above-mentioned a kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine, described tension pick-up is the tension force fork potential device be arranged on the tension force fork between the leading-out terminal of wire drawing machine and take-up end.
Above-mentioned a kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine, the frequency signal of described take-up frequency converter is superposed by two parts and forms, wherein Part I is determined by the coil diameter wiry of the given frequency signal of described stretching motor and current output, and the tension signal that Part II is fed back by tension force fork potential device does PID adjustment and obtains.
Beneficial effect of the present invention is: the present invention adopts two variable frequency control, make the highest operation line speed of glass-coated microwire wire drawing machine can reach 2400m/min, and highly stable, completely solve the problem of original takeup tension instability and low-frequency jitter, make the performance of rolling better, outage significantly reduces.The tension force of two frequency conversion wire drawing machine in whole service process and fork just always very steady, even if be also without significant change in startup and parking, improve plant efficiency simultaneously, saved electricity consumption, and the configuration of native system electric device is simple, cost also had larger reduction compared with originally.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present invention;
Fig. 2 is schematic circuit diagram of the present invention.
Detailed description of the invention
For making to do further understanding to the present invention, referring to Figure of description and specific embodiment, the invention will be further described:
As depicted in figs. 1 and 2, a kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine, comprises the stretching frequency converter be connected with the stretching motor of wire drawing machine, the take-up frequency converter be connected with the take-up motor of wire drawing machine.Be connected by control circuit between stretching frequency converter with take-up frequency converter, take-up frequency converter is connected with tension pick-up, and this tension pick-up is the tension force fork potential device be arranged on the tension force fork between the leading-out terminal of wire drawing machine and take-up end.Take-up frequency converter is connected with linear velocity potential device, and this linear velocity potential device is for detecting linear velocity wiry.Tension pick-up exports tension signal wiry feed back input to take-up frequency converter for detecting, after this feedback quantity is carried out computing compensation by take-up frequency converter, superpose with the current sync speed of take-up motor, and the output frequency of stretching frequency converter is regulated, control relatively the stretch wire vent linear velocity of motor of take-up motor speed and reach synchronous.The large then take-up frequency of tension force reduces, and tension force is little, and take-up frequency increases, and makes wire tension keep constant.During concrete enforcement, the conversion frequencies of stretching motor is given by the analog signals of linear velocity potential device, the frequency signal of take-up frequency converter is superposed by two parts and forms, wherein Part I is determined by the coil diameter wiry of the given frequency signal of described stretching motor and current output, and the tension signal that Part II is fed back by tension force fork potential device does PID adjustment and obtains.
Concrete, see circuit theory Fig. 2, this system is using stretching motor M 1 as active force, and the conversion frequencies of stretching motor M 1 is given by linear velocity potential device analog signals.Take-up motor M 2 is as system for tracking, carry out tension force control, the tension force fork potential device installed between wire drawing machine leading-out terminal and take-up end, tension force wiry is exported for detecting, as wire drawing takeup tension signal feedback to take-up frequency converter, take-up frequency converter by this feedback quantity by after inner PID arithmetic and various compensation, superpose with the current sync speed (analog input) of take-up motor M 2, regulate the output frequency of stretching frequency converter, thus control take-up motor M 2 rotating speed reaches synchronous relative to the wire vent linear velocity of stretching motor M 1, when tension force is large, take-up frequency converter take-up frequency is reduced, tension force hour improves take-up frequency, wire tension is maintained constant.In take-up process, take-up frequency converter can be calculated the coil diameter of rolling automatically by correlation parameter setting, keep the linear velocity of take-up synchronous with stretching motor M 1, the built-in PID controller of take-up frequency converter does computing and compensation adjustment to the tension signal that tension force fork potential device feeds back, and keeps retractable line tension constant, when wire drawing machine starts, can smoothly start, keep not breaking when starting, production process tension force is steady, fluctuates very little.Coil diameter calculates in real time, and accuracy rate is very high, ensure that the torque that take-up motor exports has good Lubricity, adds the recursive operation of coil diameter when calculating coil diameter, when misoperation, oneself can correct coil diameter to correct numerical value.Because the rotor inertia of wrap-up is very large, when coil diameter is changed from small to big.If operating personal carries out accelerating, slow down, stop, reactivation time be easy to cause the phenomenon of quick-fried line and loose ends, by directly causing, the quality of product is bad, and in above-mentioned various situation, rolling is all very stable, tension force is constant all the time, there is not the phenomenon of quick-fried line and loose ends.
In sum, invention adopts two variable frequency control, makes the highest operation line speed of glass-coated microwire wire drawing machine can reach 2400m/min, and it is highly stable, completely solve the problem of original takeup tension instability and low-frequency jitter, make the performance of rolling better, outage significantly reduces.The tension force of two frequency conversion wire drawing machine in whole service process and fork just always very steady, even if be also without significant change in startup and parking, improve plant efficiency simultaneously, saved electricity consumption, and the configuration of native system electric device is simple, cost also had larger reduction compared with originally.
More than show and describe groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification sheets; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention; these changes and improvements all fall in claimed scope of the present invention, and the protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (4)
1. one kind is applied to the tension control system of the take-up of glass-coated microwire wire drawing machine, it is characterized in that, comprise the stretching frequency converter be connected with the stretching motor of wire drawing machine, the take-up frequency converter be connected with the take-up motor of wire drawing machine, be connected by control circuit between described stretching frequency converter with described take-up frequency converter, described take-up frequency converter is connected with tension pick-up, described take-up frequency converter is connected with linear velocity potential device, described tension pick-up exports tension signal wiry feed back input to described take-up frequency converter for detecting, after this feedback quantity is carried out computing compensation by described take-up frequency converter, superpose with the current sync speed of described take-up motor, and the output frequency of stretching frequency converter is regulated, the wire vent linear velocity controlling the relatively described stretching motor of described take-up motor speed reaches synchronous, wire tension is made to keep constant.
2. a kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine according to claim 1, is characterized in that, the conversion frequencies of described stretching motor is given by the analog signals of described linear velocity potential device.
3. a kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine according to claim 1, is characterized in that, described tension pick-up is the tension force fork potential device be arranged on the tension force fork between the leading-out terminal of wire drawing machine and take-up end.
4. a kind of tension control system being applied to the take-up of glass-coated microwire wire drawing machine according to claim 3, it is characterized in that, the frequency signal of described take-up frequency converter is superposed by two parts and forms, wherein Part I is determined by the coil diameter wiry of the given frequency signal of described stretching motor and current output, and the tension signal that Part II is fed back by tension force fork potential device does PID adjustment and obtains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410522067.1A CN105438892B (en) | 2014-09-30 | 2014-09-30 | A kind of tension control system of the take-up applied to glass-coated microwire wire drawing machine |
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| CN201410522067.1A CN105438892B (en) | 2014-09-30 | 2014-09-30 | A kind of tension control system of the take-up applied to glass-coated microwire wire drawing machine |
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| CN105438892A true CN105438892A (en) | 2016-03-30 |
| CN105438892B CN105438892B (en) | 2019-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496011A (en) * | 2020-04-08 | 2020-08-07 | 深圳市海浦蒙特科技有限公司 | Speed control method and device for winding motor of wire drawing machine, computer equipment and medium |
Citations (6)
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| JPH07323959A (en) * | 1994-06-01 | 1995-12-12 | Yaskawa Electric Corp | Calculation of diameter |
| EP0926090A2 (en) * | 1997-12-05 | 1999-06-30 | Nittoku Engineering Kabushiki Kaisha | Winding device and method of winding |
| CN201427824Y (en) * | 2009-06-29 | 2010-03-24 | 张家港市胜达钢绳有限公司 | Constant-tension deploying and retracting device |
| CN201873384U (en) * | 2010-11-30 | 2011-06-22 | 河南省通信电缆有限公司 | Cable laying device of indoor optical cable cutting device |
| CN202670911U (en) * | 2012-07-13 | 2013-01-16 | 江苏胜达科技有限公司 | Rewinding device |
| CN103303741A (en) * | 2013-07-09 | 2013-09-18 | 济南大学 | Multi-unit synchronous tension control system and method for pull steel wire rope cleaning and maintenance line |
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2014
- 2014-09-30 CN CN201410522067.1A patent/CN105438892B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07323959A (en) * | 1994-06-01 | 1995-12-12 | Yaskawa Electric Corp | Calculation of diameter |
| EP0926090A2 (en) * | 1997-12-05 | 1999-06-30 | Nittoku Engineering Kabushiki Kaisha | Winding device and method of winding |
| CN201427824Y (en) * | 2009-06-29 | 2010-03-24 | 张家港市胜达钢绳有限公司 | Constant-tension deploying and retracting device |
| CN201873384U (en) * | 2010-11-30 | 2011-06-22 | 河南省通信电缆有限公司 | Cable laying device of indoor optical cable cutting device |
| CN202670911U (en) * | 2012-07-13 | 2013-01-16 | 江苏胜达科技有限公司 | Rewinding device |
| CN103303741A (en) * | 2013-07-09 | 2013-09-18 | 济南大学 | Multi-unit synchronous tension control system and method for pull steel wire rope cleaning and maintenance line |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496011A (en) * | 2020-04-08 | 2020-08-07 | 深圳市海浦蒙特科技有限公司 | Speed control method and device for winding motor of wire drawing machine, computer equipment and medium |
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| CN105438892B (en) | 2019-01-29 |
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Address after: 321000 Caozhai Town Industrial Functional Zone, Jindong District, Jinhua City, Zhejiang Province Applicant after: Zhejiang Hengfei Holding Co., Ltd. Address before: 321000 Caozhai Town Industrial Functional Zone, Jindong District, Jinhua City, Zhejiang Province Applicant before: Jihua Hengfei Wire Material Co., Ltd. |
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Effective date of registration: 20200831 Address after: 321000 Building 1, 2, 3 industrial functional zone, caojiao Town, Jindong District, Jinhua City, Zhejiang Province Patentee after: Jinhua Datian Wire Co.,Ltd. Address before: 321000 Zhejiang province Jinhua City Jindong Cao Zhai Zhen Industrial Zone Patentee before: Zhejiang Hengfei Holding Co.,Ltd. |
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