CN102416510A - Linear cutting molybdenum wire tensile force automatic control system and tensile force control method - Google Patents
Linear cutting molybdenum wire tensile force automatic control system and tensile force control method Download PDFInfo
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- CN102416510A CN102416510A CN2011104051367A CN201110405136A CN102416510A CN 102416510 A CN102416510 A CN 102416510A CN 2011104051367 A CN2011104051367 A CN 2011104051367A CN 201110405136 A CN201110405136 A CN 201110405136A CN 102416510 A CN102416510 A CN 102416510A
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Abstract
The invention discloses a linear cutting molybdenum wire tensile force automatic control system and tensile force control method. The linear cutting molybdenum wire tensile force automatic control system comprises a plurality of guide wheels, a driving device, a sensor and a control unit, wherein molybdenum wire are wound on the guide wheels; the driving device is used for driving one guide wheel to slide; and the control unit receives a sensor signal and allows the driving device to drive the guide wheels to slide. The tensile force control method comprises the following steps: presetting a standard value on a singlechip; allowing the senor to acquire the value of the ensile force of a molybdenum wire; allowing the singlechip to convert the value of the tensile force into a comparison value; summing the comparison value and a standard value to obtain a driving value; if the driving value is bigger than zero, allowing a step motor to rotate anticlockwise, and if the driving value is smaller than zero, allowing the step motor to rotate clockwise; and repeating the previous step till the driving value is zero. In the invention, the tensile force of the molybdenum wire can be regulated automatically, and the smooth finish of a machined part can be improved greatly.
Description
Technical field
The present invention relates to a kind of line cutting molybdenum filament tensile force automatic control system.
Background technology
Line cuts in use, and molybdenum filament can stand thermal stretching and discharge loss, so after using a period of time, the molybdenum filament silk directly attenuates, the molybdenum filament tensile force descends.If the molybdenum filament tensile force descends and can not get adjusting timely, lax molybdenum filament will can not get desirable cutting effect, will cause processing unstable like this, gently then influence processing quality and production efficiency, and will be heavy then cause fracture of wire.
Therefore need a tight silk device of molybdenum filament tensile force to adjust the tensile force of molybdenum filament; At present, the tight silk device of wire cutting machine tool molybdenum filament tensile force all is single frame for movement, generally controls the tensile force of molybdenum filament through the adjustment spring; In reality processing; The aging meeting of spring leaf changes the elastic modelling quantity coefficient, and tensile force can't keep constant during the molybdenum filament wire, can not shake automatic stabilisation to wire a quantifiable scope.The part to be processed surface roughness is increased, striped occurs, influence machining accuracy greatly.Influence the service life of molybdenum filament.
Summary of the invention
The present invention is directed to deficiency of the prior art, a kind of line cutting molybdenum filament tensile force automatic control system is provided, use this system can adjust the molybdenum filament tensile force automatically and the molybdenum filament tensile force is stabilized in the quantifiable scope.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals: a kind of line cutting molybdenum filament tensile force automatic control system comprises several guide wheels; The molybdenum filament winding is characterized in that on said guide wheel, also comprises a drive unit; Said drive unit is used to drive one of them guide wheel slippage; One is used to survey the sensor that the molybdenum filament tensile force changes, and also comprises a control module, and said control module is accepted sensor signal and made said drive unit drive the guide wheel slippage.
In the technique scheme; Said drive unit comprises guide pillar and the screw rod that is parallel to each other; One end of said screw rod is provided for driving the motor that said screw rod rotates; Be arranged with sliding seat on said guide pillar and the screw rod, said screw rod and sliding seat are formed the screw thread transmission, and said guide pillar is formed rolling friction pair through linear bearing and sliding seat.
In the technique scheme, said guide wheel is provided with at least four, and wherein the center of three guide wheels becomes equilateral triangle or isosceles triangle.In the technique scheme; Comprise the steps: preset a reference value on control module; Sensor is surveyed the molybdenum filament tensile force and is formed a fiducial value; Fiducial value and a reference value are compared,, make drive unit drive the guide wheel slippage and be used to adjust the molybdenum filament tensile force according to the result that above-mentioned comparison step obtains.
The present invention also provides a kind of tensile force control method, comprises the steps: 1) preset standard value on said single-chip microcomputer; 2) the tensile force value of sensor acquisition molybdenum filament and reaching on the single-chip microcomputer; 3) single-chip microcomputer is converted into fiducial value with the tensile force value that collects in the said step 2; 4) fiducial value that said step 3 is obtained and the standard value in the said step 1 are carried out and are calculated; Thus obtained difference obtains a motivation value through inner adaptive algorithm; 5) if motivation value greater than zero, then the MCU driving stepper motor rotates counterclockwise, if motivation value less than zero, then the MCU driving stepper motor clockwise rotates; 6) repeating above-mentioned steps, is zero until said motivation value.
The present invention compared with prior art; Have following beneficial effect: 1) the present invention can adjust the molybdenum filament tensile force automatically and the molybdenum filament tensile force is stabilized in the quantifiable scope; And the moving scope of stablizing the wire shake; Improve machining accuracy, can improve greatly and process piece surface fineness.
2) the present invention is simple to operate, can be fit to the wire cutting machine tool of different model, and the molybdenum filament elasticity reduces the molybdenum filament wire broken rate when improving the molybdenum filament switching-over, prolongs the molybdenum filament life-span.
Description of drawings
Fig. 1 is line cutting molybdenum filament tensile force automatic control system structural representation of the present invention.
Fig. 2 is the left view of line cutting molybdenum filament tensile force automatic control system shown in Figure 1.
Fig. 3 is line cutting molybdenum filament tensile force automatic control system structural representation of the present invention.
Fig. 4 is installed on the structural representation of base for guide wheel.
Fig. 5 is the left view among Fig. 4.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail: referring to Fig. 1～5; A kind of line cutting molybdenum filament tensile force automatic control system comprises installing plate 3, and said installing plate 3 is provided with first guide wheel cover, 31, second guide wheel cover the 33 and the 3rd guide wheel cover 35; Wherein be provided with first guide wheel 30 in first guide wheel cover 31; Second guide wheel cover 33 is provided with in second guide wheel, 32, the three guide wheels cover 35 and is provided with the 3rd guide wheel 34, specifically sees Fig. 1, Fig. 5.
The side of said installing plate 3 is connected with base plate 15 through bolt, and the upper end of said base plate 15 is provided with stepper motor 21.Said stepper motor 21 connects on the single-chip microcomputer.(single-chip microcomputer is not shown), certainly, described single-chip microcomputer also can be other control module, for example, programmable logic controller (PLC) (PLC).
The upper/lower terminal of said base plate 15 is connected with two guide pillars 13 through bolt; Also be provided with the screw rod 7 parallel on the said base plate 15 with said guide pillar 13; And an end of screw rod 7 is installed on the base plate 15 through bearing, and said screw rod 7 is formed the screw thread transmission with sliding seat 9, and sliding seat 9 is provided with four guide idler cover 37; Be provided with four guide idler 36 in the four guide idler cover 37, said sliding seat 9 is formed rolling friction pair through linear bearing 17 and two guide pillars 13.The upper end of said screw rod 7 is driven by described stepper motor 21.
Said the 3rd guide wheel 34 is provided with sensor 5, and said sensor 5 is used to survey the variation of molybdenum filament 1 tensile force.Said sensor 5 also connects on the said single-chip microcomputer through lead.The line of centres of said first guide wheel 30, second guide wheel 32 and the 3rd guide wheel 34 becomes an equilateral triangle or an isosceles triangle.So just can effectively guarantee the dynamometry precision of sensor 5.
Molybdenum filament tensile force control method comprises the steps: 1) preset standard value on said single-chip microcomputer; 2) the tensile force value of sensor acquisition molybdenum filament and reaching on the single-chip microcomputer; 3) single-chip microcomputer is converted into fiducial value with the tensile force value that collects in the said step 2; 4) fiducial value that said step 3 is obtained and the standard value in the said step 1 are carried out and are calculated; Thus obtained difference obtains a motivation value through inner adaptive algorithm; 5) if motivation value greater than zero, then the MCU driving stepper motor rotates counterclockwise, if motivation value less than zero, then the MCU driving stepper motor clockwise rotates; 6) repeating above-mentioned steps, is zero until said motivation value.
Claims (4)
1. a line cutting molybdenum filament tensile force automatic control system comprises several guide wheels, and the molybdenum filament winding is on said guide wheel; It is characterized in that; Also comprise a drive unit, said drive unit is used to drive one of them guide wheel slippage, and one is used to survey the sensor that the molybdenum filament tensile force changes; Also comprise a control module, said control module is accepted sensor signal and is made said drive unit drive the guide wheel slippage.
2. line cutting molybdenum filament tensile force automatic control system as claimed in claim 1; It is characterized in that; Said drive unit comprises guide pillar and the screw rod that is parallel to each other, and an end of said screw rod is provided for driving the motor that said screw rod rotates, and is arranged with sliding seat on said guide pillar and the screw rod; Said screw rod and sliding seat are formed the screw thread transmission, and said guide pillar is formed rolling friction pair through linear bearing and sliding seat.
3. line cutting molybdenum filament tensile force automatic control system as claimed in claim 1 is characterized in that said guide wheel is provided with at least four, and wherein the center of three guide wheels becomes equilateral triangle or isosceles triangle.
4. the molybdenum filament tensile force control method of a line cutting molybdenum filament tensile force automatic control system as claimed in claim 2 is characterized in that, comprises the steps: 1) preset standard value on said single-chip microcomputer; 2) the tensile force value of sensor acquisition molybdenum filament and reaching on the single-chip microcomputer; 3) single-chip microcomputer is converted into fiducial value with the tensile force value that collects in the said step 2; 4) fiducial value that said step 3 is obtained and the standard value in the said step 1 are carried out and are calculated; Thus obtained difference obtains a motivation value through inner adaptive algorithm; 5) if motivation value greater than zero, then the MCU driving stepper motor rotates counterclockwise, if motivation value less than zero, then the MCU driving stepper motor clockwise rotates; 6) repeating above-mentioned steps, is zero until said motivation value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110405136.7A CN102416510B (en) | 2011-12-08 | 2011-12-08 | Linear cutting molybdenum wire tensile force automatic control system and tensile force control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110405136.7A CN102416510B (en) | 2011-12-08 | 2011-12-08 | Linear cutting molybdenum wire tensile force automatic control system and tensile force control method |
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| CN102416510A true CN102416510A (en) | 2012-04-18 |
| CN102416510B CN102416510B (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110405136.7A Expired - Fee Related CN102416510B (en) | 2011-12-08 | 2011-12-08 | Linear cutting molybdenum wire tensile force automatic control system and tensile force control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458419A (en) * | 2014-12-12 | 2015-03-25 | 中国航天空气动力技术研究院 | Tension controller for stay wire |
| CN104502195A (en) * | 2014-12-12 | 2015-04-08 | 中国航天空气动力技术研究院 | Portable stay wire tension controller |
| CN104588800A (en) * | 2014-12-12 | 2015-05-06 | 自贡市嘉特数控机械制造有限公司 | Self-adaption tension control device and method of electrode wires of linear cutting machine |
| CN104607739A (en) * | 2014-12-25 | 2015-05-13 | 东莞华中科技大学制造工程研究院 | Low speed wire cutting copper wire tension control method and device |
| CN104634659A (en) * | 2014-12-11 | 2015-05-20 | 中国航天空气动力技术研究院 | Stay wire tension controller |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4262185A (en) * | 1978-04-10 | 1981-04-14 | Ateliers Des Charmilles S.A. | EDM Process and apparatus for machining a workpiece by means of a wire electrode |
| US4530471A (en) * | 1981-03-05 | 1985-07-23 | Inoue-Japax Research Incorporated | Method of and apparatus for dispensing wire from a wire storage spool |
| EP0445296A1 (en) * | 1989-09-27 | 1991-09-11 | Fanuc Ltd. | Wire tension control device |
| CN2573134Y (en) * | 2002-07-17 | 2003-09-17 | 王炎秋 | Electrode wire tensioning mechanism |
| CN2810851Y (en) * | 2005-04-27 | 2006-08-30 | 合肥工业大学 | Automatic compensating tensioning mechanism for electrode wire of high-speed linear cutting machine |
| CN2818039Y (en) * | 2005-08-25 | 2006-09-20 | 江汉大学 | Oscillating electrode wire constant-tension controller of fast-walking thread cutting machine tool |
| CN101372059A (en) * | 2008-10-17 | 2009-02-25 | 自贡市嘉特数控机械制造有限公司 | Intelligent tension-adjusting gear |
-
2011
- 2011-12-08 CN CN201110405136.7A patent/CN102416510B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4262185A (en) * | 1978-04-10 | 1981-04-14 | Ateliers Des Charmilles S.A. | EDM Process and apparatus for machining a workpiece by means of a wire electrode |
| US4530471A (en) * | 1981-03-05 | 1985-07-23 | Inoue-Japax Research Incorporated | Method of and apparatus for dispensing wire from a wire storage spool |
| EP0445296A1 (en) * | 1989-09-27 | 1991-09-11 | Fanuc Ltd. | Wire tension control device |
| CN2573134Y (en) * | 2002-07-17 | 2003-09-17 | 王炎秋 | Electrode wire tensioning mechanism |
| CN2810851Y (en) * | 2005-04-27 | 2006-08-30 | 合肥工业大学 | Automatic compensating tensioning mechanism for electrode wire of high-speed linear cutting machine |
| CN2818039Y (en) * | 2005-08-25 | 2006-09-20 | 江汉大学 | Oscillating electrode wire constant-tension controller of fast-walking thread cutting machine tool |
| CN101372059A (en) * | 2008-10-17 | 2009-02-25 | 自贡市嘉特数控机械制造有限公司 | Intelligent tension-adjusting gear |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634659A (en) * | 2014-12-11 | 2015-05-20 | 中国航天空气动力技术研究院 | Stay wire tension controller |
| CN104634659B (en) * | 2014-12-11 | 2017-05-03 | 中国航天空气动力技术研究院 | Stay wire tension controller |
| CN104458419A (en) * | 2014-12-12 | 2015-03-25 | 中国航天空气动力技术研究院 | Tension controller for stay wire |
| CN104502195A (en) * | 2014-12-12 | 2015-04-08 | 中国航天空气动力技术研究院 | Portable stay wire tension controller |
| CN104588800A (en) * | 2014-12-12 | 2015-05-06 | 自贡市嘉特数控机械制造有限公司 | Self-adaption tension control device and method of electrode wires of linear cutting machine |
| CN104458419B (en) * | 2014-12-12 | 2017-06-16 | 中国航天空气动力技术研究院 | Bracing wire is tensioned force controller |
| CN104607739A (en) * | 2014-12-25 | 2015-05-13 | 东莞华中科技大学制造工程研究院 | Low speed wire cutting copper wire tension control method and device |
| CN104607739B (en) * | 2014-12-25 | 2017-04-05 | 东莞华中科技大学制造工程研究院 | A kind of low-speed WEDM copper wire is tensioned force control method |
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| CN102416510B (en) | 2014-04-23 |
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Granted publication date: 20140423 Termination date: 20181208 |
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