CN205237266U - Spark -erosion wire cutting device - Google Patents
Spark -erosion wire cutting device Download PDFInfo
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- CN205237266U CN205237266U CN201521041210.1U CN201521041210U CN205237266U CN 205237266 U CN205237266 U CN 205237266U CN 201521041210 U CN201521041210 U CN 201521041210U CN 205237266 U CN205237266 U CN 205237266U
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- wire
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- electric discharge
- discharge machining
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Abstract
The utility model relates to a spark -erosion wire cutting device, it includes wire electrode conveyor, workpiece drive device, workpiece holder and ultrasonic vibration generator, a serial communication port, the ultrasonic vibration generator is connected with workpiece holder and work piece, and its vibration source that provides is used in on the work piece. Clearance that this kind of spark -erosion wire cutting device made ultrasonic vibration add work piece material in man -hour will be higher than the vibration source and act on the work piece material clearance that ultrasonic vibration on the electrode adds man -hour, the machining efficiency of spark -erosion wire cutting processing had both been improved, can obtain lower workpiece surface roughness and higher workpiece surface quality again, and this kind of spark -erosion wire cutting device's ultrasonic vibration makes electrode point of discharge evenly distributed, the frequent emergence of the disconnected silk phenomenon of wire electrode has been avoided, the stability of processing has been guaranteed, the machining precision of continuity and work piece.
Description
Technical field
The utility model generally relates to Wire EDM field, is specifically related to be compounded with ultrasonic wave and addsA kind of wire electric discharge machining device of work.
Background technology
Wire-cut Electrical Discharge Machining is a kind of by being immersed in the wire electrode in liquid medium (kerosene or water)And the thermoelectricity process of serial discharge removal material between workpiece. Through the development of nearly half a century, shouldTechnology is very ripe, has reached quite high technological level, and be widely used in aviation, automobile,Mould and other material processing field, especially in high rigidity, the high strength, high temperature resistant of complicated shapeIn the processed and applied of workpiece, there is considerable status. Generally, Wire-cut Electrical Discharge MachiningWorking (machining) efficiency is lower, and in processing with the interference of fracture of wire, to overall processing cost, effectRate and precision have produced considerable influence. Recently composite ultraphonic vibration in processing by cutting on line, to solvingAbove problem has obtained promising result.
Ultrasonic wave is frequency higher than the sound wave of 20000 hertz, and ultrasonic wave and common sound wave are one in essenceCause, their common ground is all a kind of mechanical oscillation pattern, is conventionally situated between in elasticity in the mode of compressional waveIn matter, propagating, is a kind of mode of propagation of energy, and its difference is that ultrasonic frequency is high, and wavelength is short,In certain distance, there is good beam and directionality along straightline propagation. Theoretical research shows,Under the identical condition of amplitude, the energy of an object vibration is directly proportional to vibration frequency, and ultrasonic wave is being situated betweenWhile propagation in matter, the frequency of medium particle vibration is very high, thereby energy is very large.
The These characteristics of utilizing ultrasonic wave to have has added Under Ultrasonic Vibration in the time of Wire-cut Electrical Discharge MachiningMoving, its processing mechanism is: ultrasonic vibration is conducive to stop the coagulation of colloidal medium, improves working solution and followsRing status, promotes electric discharge scrap to discharge from joint-cutting, thus reduce stable arc electric discharge, transition electric discharge andThe generation of short circuit dischange, improves pulse utilization rate, thereby has improved the working (machining) efficiency of electric spark.
Existing number of patent application is CN99258414.0, and name is called a kind of electric spark of attached supersonic vibrationThe utility model of wire-electrode cutting device, it has been installed to vibration source on wire electrode, and the shortcoming of this kind of device isThe vibration of ultrasonic vibration source can change the degree of tightness state of wire electrode, and its amplitude is strengthened, and has affected significantlyThe machining accuracy of workpiece and surface quality, and be easier to fracture of wire.
Therefore, be necessary to provide a kind of wire electric discharge machining device, can make ultrasonic wave wire electric dischargeCutting improves working (machining) efficiency and the surface of the work precision of ordinary lines cutting processing, can also ensure line cuttingStability, the continuity of processing.
Utility model content
The purpose of this utility model is to provide a kind of wire electric discharge machining device, and this kind of wire electric discharge cutCut device vibration source is arranged on workpiece to be machined, can not produce the impact that above-mentioned existing patent is brought.
The utility model provides a kind of wire electric discharge machining device, it comprise wire electrode conveyer,Work piece actuating device, workpiece holder and ultrasonic vibration generator. Described ultrasonic vibration generatorBe fixed between described workpiece holder and work piece actuating device and for providing and shake to described workpiece holderSource.
Above-mentioned a kind of wire electric discharge machining device, wherein said work piece actuating device comprises that X-axis drivesMoving device and Y-axis drive unit, described X-axis drive unit is arranged on described Y-axis drive unit top,And described ultrasonic vibration generator is fixedly mounted on this X-axis drive unit.
Further, above-mentioned a kind of wire electric discharge machining device, has on described X-axis drive unitOne rectangular through holes, for passing wire electrode.
Above-mentioned a kind of wire electric discharge machining device, wherein said workpiece holder is fastened on described ultrasonicOn ripple vibration machine.
Above-mentioned a kind of wire electric discharge machining device, wherein said wire electrode conveyer comprises:
Wire storage cylinder, folding and unfolding wire electrode, realizes the reciprocating action of wire electrode by reciprocating rotation;
Stretcher, the tightness of adjustment wire electrode;
Guider, the position of fixed electrode silk.
Further, above-mentioned a kind of wire electric discharge machining device, described guider comprises leadsTo device and lower guider, this upper guide is positioned at described work piece actuating device top, this lower guider positionIn described drive unit below; Wire electrode is through this upper guide and lower guider, the electricity during makingPolar filament is perpendicular to the plane of movement of workpiece holder.
Above-mentioned a kind of wire electric discharge machining device, described stretcher is arranged on described wire storage cylinder and instituteState between the upper guide of guider, can compress wire electrode downwards, wire electrode run through described wire storage cylinder,Stretcher and guider, form circuit.
In addition, described ultrasonic vibration generator comprises mechanical type ultrasonic generator and electronic ultrasonic generationDevice.
The beneficial effects of the utility model are, this kind of wire electric discharge machining device by vibration source be arranged on byOn processing work, not only can not produce above-mentioned existing patent by vibration source is arranged on electrode and is producedLine cutting processing impact, and because when workpiece ultrasonic vibration, vibration acts directly on workpiece,Play the effect that strengthening material is dished out. This kind of wire electric discharge machining device adds workpiece ultrasonic vibrationMan-hour, material removing rate will, higher than the material removing rate that ultrasonic vibration is housed adds man-hour on electrode, both improveThe working (machining) efficiency of Wire-cut Electrical Discharge Machining, can obtain again lower workpiece surface roughness, thanAs workpiece one way fast wire winding processing rear surface roughness is reduced to present by 15 original μ m-20 μ m0.5 μ m-1 μ m; And the ultrasonic vibration of this kind of wire electric discharge machining device makes electrode discharge point evenDistribute, avoided the frequent generation of wire electrode fracture of wire phenomenon, and vibration source is added in and on workpiece, makes excusing from deathRipple electrical spark working electrode wear rate in man-hour is less than vibration source and is added in the proportion of goods damageds that add electrode in man-hour on electrode,Not only ensure the machining accuracy of stability, continuity and the workpiece processed but also saved wire electrode.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of wire electric discharge machining device of the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, carry out more detailed to detailed description of the invention of the present utility modelThin explanation, so as can to understand better scheme of the present utility model with and various aspects excellentPoint. But detailed description of the invention described below and embodiment are only the objects of explanation, instead ofTo restriction of the present utility model.
As shown in Figure 1, a kind of wire electric discharge machining device of the utility model embodiment, comprises electricityPolar filament conveyer 1, work piece actuating device 2, workpiece holder 3 and ultrasonic vibration generator 4.Described ultrasonic vibration generator 4 is connected with described workpiece holder 3 and workpiece 5, and what it provided shakesSource acts on workpiece 5.
Described work piece actuating device 2 comprises X-axis drive unit 21 and Y-axis drive unit 22, and X-axis is drivenMoving device 21 is arranged on Y-axis drive unit 22 tops, and X-axis drive unit 21 can drive workpiece to existOn directions X, move, Y-axis drive unit 22 can drive workpiece to move on directions X, and this X-axis is drivenIt is needed in XY plane that moving device 21 and 22 actings in conjunction of Y-axis drive unit realize workpiece 5Plane motion. This X-axis drive unit 21 and Y-axis drive unit 22 are similar to the machine in machinedTraverse feed workbench and the length feed workbench of bed, for example can be by servomotor through synchronizing juggedBand transmission, drive ball guide screw nat mechanism realize directions X or Y-direction or simultaneously by directions X andThe motion of the definite relative initial point of the coordinate points place direction of Y-direction. This movement velocity is adjustable. And it is describedUltrasonic vibration generator 4 is fixedly mounted on this X-axis drive unit 21.
Further, on described X-axis drive unit 21, have a rectangular through holes 211, wire electric dischargeWhen cutting, workpiece 4 is fixed on this rectangular through holes 211 tops, cutting processing by described workpiece holder 3Time, wire electrode 6 is through this rectangular through holes 211, and this rectangular through holes 211 has limited the work of wire electrodeMoving scope. This rectangular through holes 211 leaves enough open spaces, to produce when cutting processingScrap can fall into this hole and from then on hole discharge.
Described workpiece holder 3 is arranged on described ultrasonic vibration generator 4. Workpiece holder 3 is canProvision for disengagement, different and different according to workpiece to be processed. Workpiece holder 3 is sent out in ultrasonic vibrationOn raw device 4, should firmly install, while guaranteeing cutting processing, ultrasonic vibration generator 4 is applied to workpieceUltrasonic vibration on jig 3 can not affect the clamping of workpiece holder.
Described wire electrode conveyer 1 comprises:
Wire storage cylinder 11, is used for folding and unfolding wire electrode 6, and in this embodiment, wire storage cylinder 11 is roller shape. CuttingAdd and on wire storage cylinder 11, be wound around multi-turn wire electrode 6 man-hour, this wire electrode is fitly arranged on wire storage cylinder.Motor drives wire storage cylinder 11 alternately to make forward and reverse reciprocating rotation by shaft coupling, realizes wire electrodeReciprocating action;
Stretcher 12, is used for adjusting the tightness of wire electrode 6, in this embodiment stretcher 12 forBearing up pulley. These stretcher 12 positions are adjustable. When wire electrode 6 is during in relaxed state, can turn down this tensioningDevice 12, makes stretcher 12 compress live electrode silk 6, allows wire electrode 6 in required the opening of cutting workTight state. Also can heighten the position of stretcher 12, make it wire electrode 6 not to be exerted pressure; With
Guider 13, in order to determine the position of wire electrode 6.
Further, described guider 13 comprises upper guide 131 and lower guider 132, on thisGuider 131 is positioned at described work piece actuating device 2 tops, and this lower guider 132 is positioned at described drivingInstall 2 belows. Upper guide 131 and lower guider 132 are running roller, this roller in this embodimentWheel the right and left has rib, to limit the left and right play of wire electrode. Wire electrode 6 is through this upper guide131 and lower guider 132, make wire electrode 6 be parallel to Z axis, i.e. the fortune of wire electrode 6 and workpiece 5Moving plane X Y plane is vertical.
Further, described stretcher 12 is arranged on described wire storage cylinder 11 and described guider 13Upper guide 131 between, can compress wire electrode 6 downwards, wire electrode run through described wire storage cylinder 11,Stretcher 12 and guider 13, form circuit.
In addition, ultrasonic vibration generator 4 can be mechanical type ultrasonic generator (for example the gas whistle, steam whistleWith liquid whistle etc.), the electronic ultrasonic generator, the Yi Jili that utilize electromagnetic induction and electromagnetic action principle to makeBy the electrostriction effect of piezo-electric crystal, (under External Electrical Field, dielectric produces and field intensity secondaryThe strain that is directly proportional of side) and the magnetostrictive effect of ferromagnetic material (ferromagnet in the time being magnetized by external magnetic field,Its volume and length are by the phenomenon changing) electroacoustic transducer made etc. Supersonic generator producesThe signal of a raw CF, this signal can be sinusoidal signal, can be also pulse signal,This CF is the frequency of ultrasonic transducer work. The general ultrasonic wave using of ultrasonic equipmentFrequency is 20KHz, 25KHz, 28KHz, 33KHz, 40KHz, 60KHz, 80KHz etc. Ultrasonic waveGenerator finally converts civil power (industrial-frequency alternating current) high frequency matching with ultrasonic transducer to and hands overThe stream signal of telecommunication, drives ultrasonic transducer work, and ultrasonic transducer is again by the electrical power conversion of inputBecome mechanical output (being ultrasonic wave) to pass.
The cutting process of this kind of wire electric discharge machining device is simply described as:
The pulse power claims again high frequency electric source, and its effect is that common 50Hz alternating current is converted to high-frequencyUnidirectional pulse voltage. Add man-hour, wire electrode 6 connects pulse power negative pole, and workpiece 5 connects positive pole. WithTime ultrasonic vibration acoustical generator 4 provide to workpiece 5 and workpiece holder 3 to continue ultrasonic vibration source stably,Make workpiece 5 do dither. The pulse power sends a series of pulse voltage, is added to workpiece 5 HesOn wire electrode 6. Between wire electrode 6 and workpiece 5, apply enough works with certain insulating propertiesMake liquid. When the distance of wire electrode 6 and workpiece 5 little to a certain extent time, under the effect of pulse voltage,Working solution is breakdown, forms the passage that sparks between wire electrode 6 and workpiece 5, produces instantaneous heightTemperature, makes workpiece 5 local meltings even vaporize and be got off by ablation. Be applied to the ultrasonic vibration on workpieceAccelerate coming off of scrap that workpiece is cut. If work piece actuating device 2 drives workpiece 5 continuousFeeding just can cut out needed shape on workpiece 5. X-axis on work piece actuating device 2 is drivenMoving device 21 and 22 actings in conjunction of Y-axis drive unit regulate depth of cut and the cutting speed of workpiece 5.The scrap cutting down and working solution fall into the slot 211 of X-axis drive unit 21 and discharge.
The execution effect of the present embodiment is, this kind of wire electric discharge machining device by vibration source be arranged on byOn processing work, not only can not produce above-mentioned existing patent by vibration source is arranged on electrode and is producedLine cutting processing impact, and because when workpiece ultrasonic vibration, vibration acts directly on workpiece,Play the effect that strengthening material is dished out. This kind of wire electric discharge machining device adds workpiece ultrasonic vibrationMan-hour, material removing rate will, higher than the material removing rate that ultrasonic vibration is housed adds man-hour on wire electrode, both be carriedThe high working (machining) efficiency of Wire-cut Electrical Discharge Machining, can obtain again lower workpiece surface roughness andHigher workpiece surface quality, and the ultrasonic vibration of this kind of wire electric discharge machining device is put wire electrodeElectricity point is uniformly distributed, and avoided the frequent generation of wire electrode fracture of wire phenomenon, and vibration source is added on workpieceMaking to have children outside the state plan ripple electrical spark working electrode wear rate in man-hour is less than vibration source and is added in and on electrode, adds electrode in man-hourThe proportion of goods damageds, have not only ensured the machining accuracy of stability, continuity and the workpiece processed but also have saved costlinessWire electrode.
Finally it should be noted that: obviously, above-described embodiment is only new for this practicality is clearly describedType example, and the not restriction to embodiment. For the ordinary skill people in affiliated fieldMember, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments. And amplified out thus aobvious and easilyThe variation of seeing or variation are still among protection domain of the present utility model.
Claims (8)
1. a wire electric discharge machining device, it comprise wire electrode conveyer, work piece actuating device,Workpiece holder and ultrasonic vibration generator, is characterized in that, described ultrasonic vibration generator is solidFix between described workpiece holder and work piece actuating device and for providing and shake to described workpiece holderSource.
2. wire electric discharge machining device as claimed in claim 1, is characterized in that, described workPart drive unit comprises X-axis drive unit and Y-axis drive unit, and described X-axis drive unit is arranged onDescribed Y-axis drive unit top, described ultrasonic vibration generator is fixedly mounted on this X-axis and drives dressBe set up.
3. wire electric discharge machining device as claimed in claim 1 or 2, is characterized in that, instituteState on X-axis drive unit and have a rectangular through holes for passing wire electrode.
4. wire electric discharge machining device as claimed in claim 1 or 2, is characterized in that, instituteStating workpiece holder is fastened on described ultrasonic vibration generator.
5. wire electric discharge machining device as claimed in claim 1, is characterized in that, described electricityPolar filament conveyer comprises
Wire storage cylinder, folding and unfolding wire electrode, realizes the reciprocating action of wire electrode by reciprocating rotation;
Stretcher, the tightness of adjustment wire electrode;
Guider, the position of fixed electrode silk.
6. the wire electric discharge machining device as described in claim 1 or 5, is characterized in that, instituteState guider and comprise upper guide and lower guider, this upper guide is positioned at described work piece actuating deviceTop, this lower guider is positioned at described drive unit below; Wire electrode through this upper guide and under leadTo device, make the plane of movement of the vertical workpiece holder of wire electrode therebetween.
7. the wire electric discharge machining device as described in claim 1 or 5, is characterized in that, instituteState stretcher and be arranged between described wire storage cylinder and the upper guide of described guider, can compress downwardsWire electrode, wire electrode runs through described wire storage cylinder, stretcher and guider, forms circuit.
8. wire electric discharge machining device as claimed in claim 1, is characterized in that, described superAcoustic vibration generator comprises mechanical type ultrasonic generator and electronic ultrasonic generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041210.1U CN205237266U (en) | 2015-12-14 | 2015-12-14 | Spark -erosion wire cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041210.1U CN205237266U (en) | 2015-12-14 | 2015-12-14 | Spark -erosion wire cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205237266U true CN205237266U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041210.1U Expired - Fee Related CN205237266U (en) | 2015-12-14 | 2015-12-14 | Spark -erosion wire cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205237266U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422056A (en) * | 2017-02-14 | 2018-08-21 | 阿杰·查米莱斯股份有限公司 | Linear cutting equipment and for the method by means of linear cutting equipment from substrate separating component |
| CN109358441A (en) * | 2018-11-30 | 2019-02-19 | 武汉华星光电技术有限公司 | Method for producing panel |
| CN111958073A (en) * | 2020-08-17 | 2020-11-20 | 苏州徕泽丰材料科技有限公司 | Cutting method of 3D printing two-dimensional collimator |
| CN113145949A (en) * | 2021-05-20 | 2021-07-23 | 哈尔滨理工大学 | Electric spark wire cutting device capable of providing real-time punching |
-
2015
- 2015-12-14 CN CN201521041210.1U patent/CN205237266U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422056A (en) * | 2017-02-14 | 2018-08-21 | 阿杰·查米莱斯股份有限公司 | Linear cutting equipment and for the method by means of linear cutting equipment from substrate separating component |
| CN109358441A (en) * | 2018-11-30 | 2019-02-19 | 武汉华星光电技术有限公司 | Method for producing panel |
| CN111958073A (en) * | 2020-08-17 | 2020-11-20 | 苏州徕泽丰材料科技有限公司 | Cutting method of 3D printing two-dimensional collimator |
| CN111958073B (en) * | 2020-08-17 | 2022-08-26 | 苏州徕泽丰材料科技有限公司 | Cutting method of 3D printing two-dimensional collimator |
| CN113145949A (en) * | 2021-05-20 | 2021-07-23 | 哈尔滨理工大学 | Electric spark wire cutting device capable of providing real-time punching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |