CN103785908B - A kind of micro EDM enters silk device automatically - Google Patents
A kind of micro EDM enters silk device automatically Download PDFInfo
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- CN103785908B CN103785908B CN201410023073.2A CN201410023073A CN103785908B CN 103785908 B CN103785908 B CN 103785908B CN 201410023073 A CN201410023073 A CN 201410023073A CN 103785908 B CN103785908 B CN 103785908B
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Abstract
The invention discloses a kind of micro EDM and automatically enter silk device.Process for fine electrospark electrode silk.The present invention can use Linear cut silk as the tool-electrode of micro EDM, reduces the processing cost of fine electric spark, improves working (machining) efficiency.First user takes turns the wire electrode uniform winding of certain diameter in storage silk, and arrives conductive casters by positive silk wheel, extends certain length through feed system and wire guiding nipple.Conductive casters is connected with micro EDM power supply, realizes the importing of processing power source to wire electrode.Control the start and stop of power supply and the feeding of wire electrode and rollback by Tiny electric spark machining control system's and realize micro EDM.
Description
Technical field
The present invention relates to Micro-edm Equipments field, be specially a kind of micro EDM and automatically enter silk device.
Background technology
Spark machined (ElectricalDischargeMachining, be called for short EDM) be in working solution medium, the localized hyperthermia utilizing the pulse feature spark discharge between tool-electrode and workpiece to produce, high pressure ablation workpiece material, reach a kind of processing method of certain size, shape and surface roughness requirements, also referred to as " electric discharge processing " or " galvanic corrosion processing ".Along with the development and progress of science and technology, various high rigidity, high strength, high fragility, high viscosity and high-purity new material constantly occur, the parts with various labyrinth and special process requirement get more and more, and bring stern challenge to manufacturing industry.Spark machined is a kind of noncontact procession, without cutting force, to mechanical strength, the hardness no requirement (NR) of tool materials, softer tool materials can be adopted to process the conductive material of any hardness and fragility.Micro EDM is one of conventional fine machining method, but the preparation of fine electric spark wire electrode used is a puzzlement scientific research personnel's difficult problem always, and the long difficulty of wire electrode manufacturing cycle is large, is difficult to realize long-time continuous processing.Therefore, improve Micro-EDM Machining Technology, improve economy and the efficiency of micro EDM, become one of problem demanding prompt solution.Line cutting electrode silk technology of preparing relative maturity, the line cutting electrode silk of various material has the cost supply of various diameter, and its diameter can reach 0.08mm, can meet the micro EDM demand in certain accuracy rating.Therefore adopt line cutting electrode silk as micro EDM wire electrode, economy and the efficiency of micro EDM can be improved.
Summary of the invention
The object of this invention is to provide a kind of micro EDM and automatically enter silk device, to realize automatically entering silk in Linear cut silk processing fine electrospark electrode silk.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of micro EDM enters silk device automatically, it is characterized in that: include casing, in casing, posterior rotation is provided with storage silk wheel, storage silk wheel is wound with the Linear cut silk as wire electrode, rear portion in casing, storage silk wheel right side is rotatablely equipped with three positive silk auxiliary wheels of the distribution in isosceles triangle, and closed loop is around the positive silk elastic webbing on three positive silk auxiliary wheels, rear portion in casing, storage silk wheel right side is also rotatablely equipped with positive silk wheel, positive silk elastic webbing between described two positive silk auxiliary wheels is pressed on positive silk wheel, positive silk elastic webbing elastic tension, in casing, front portion is rotatablely equipped with the elastic wheel of left-right situs, conductive casters, elastic wheel, there is between conductive casters the gap passed through for Linear cut silk, and conductive casters is connected with outside micro EDM power supply, described cabinet front tank wall is provided with feeding module, wire electrode on storage silk wheel is taken turns after positive silk through positive silk, from elastic wheel, between conductive casters, gap is passed, feeding module is entered again on rear side of feeding module, then pass on front side of feeding module, and feeding module installed in front has the wire guiding nipple with wire electrode diameter matches.
Described a kind of micro EDM enters silk device automatically, it is characterized in that: described feeding module includes the supporting construction be arranged on cabinet front tank wall, supporting construction is provided with the rear left piezoelectric ceramics block being positioned at rear leftward position, be positioned at the rear right piezoelectric ceramics block of rear right positions, be positioned at the front left piezoelectric ceramics block of front leftward position, be positioned at the front right piezoelectric ceramics block of front right positions, wherein rear left piezoelectric ceramics block, between rear right piezoelectric ceramics block, and front left piezoelectric ceramics block, there is between front right piezoelectric ceramics block gap that power supply polar filament passes respectively, and two intersegmental gaps are in same just to elastic wheel, between conductive casters gap straight line on, be connected by middle left piezoelectric ceramics block between rear left piezoelectric ceramics block with front left piezoelectric ceramics block, be connected by middle right piezoelectric ceramics block between rear right piezoelectric ceramics block with front right piezoelectric ceramics block, described rear left, rear right, front left, front right piezoelectric ceramics block is connected with outside micro EDM power cathode respectively, middle left piezoelectric ceramics block, middle right piezoelectric ceramics block is connected with outside micro EDM positive source respectively, described wire electrode is successively through gap rear left and rear right piezoelectric ceramics block, wire guiding nipple is entered behind gap between front left and front right piezoelectric ceramics block.
Described a kind of micro EDM enters silk device automatically, it is characterized in that: be provided with fixing point in the casing of described elastic wheel side, and described fixing point is connected with the spring pointing to conductive casters, described elastic wheel is rotatably installed in spring spring end.
In the present invention, using Linear cut silk as wire electrode, uniform winding, on storage silk wheel, can be processed for a long time.
In the present invention, taken turns by three positive silk auxiliary wheels, positive silk elastic webbing, positive silk, formed positive silk system, wire electrode is aligned, reduce the bending of wire electrode.
In the present invention, utilize conductive casters to be connected with outside micro EDM power supply, realize importing power supply to wire electrode.
In the present invention, the feeding module be made up of piezoelectric ceramics, utilizes piezoelectric ceramics to be energized and deformation during power-off, realizes the feeding of wire electrode.
In the present invention, utilize the wire electrode of wire guiding nipple to outlet to lead, wire guiding nipple must be supporting with the diameter of wire electrode, and the wire electrode of different-diameter installs corresponding wire guiding nipple.
Novel structure of the present invention, can realize once filling the processing of filament length time, and improve economy and the working (machining) efficiency of Micro-Machining on EDM.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the feeding procedure chart of feeding module in the present invention.
Detailed description of the invention
As shown in Figure 1.A kind of micro EDM enters silk device automatically, include casing 1, in casing 1, posterior rotation is provided with storage silk wheel 2, storage silk wheel 2 is wound with the Linear cut silk as wire electrode, rear portion in casing 1, three positive silk auxiliary wheels 3 of the distribution in isosceles triangle are rotatablely equipped with on the right side of storage silk wheel 2, 4, 7, and closed loop is around three positive silk auxiliary wheels 3, 4, positive silk elastic webbing 5 on 7, rear portion in casing 1, positive silk wheel 6 is also rotatablely equipped with on the right side of storage silk wheel 2, wherein two positive silk auxiliary wheels 3, positive silk elastic webbing between 7 is pressed on positive silk wheel 6, positive silk elastic webbing elastic tension, in casing 1, front portion is rotatablely equipped with the elastic wheel 9 of left-right situs, conductive casters 8, elastic wheel 9, there is between conductive casters 8 gap passed through for Linear cut silk, and conductive casters 8 is connected with outside micro EDM power supply, on front side of casing 1, tank wall is provided with feeding module 10, wire electrode on storage silk wheel 2 is after positive silk wheel 6, from elastic wheel 9, between conductive casters 8, gap is passed, feeding module 10 is entered again on rear side of feeding module 10, then pass on front side of feeding module 10, and feeding module 10 installed in front has the wire guiding nipple 11 with wire electrode diameter matches.
Be provided with fixing point in the casing of elastic wheel 9 side, fixing point is connected with the spring pointing to conductive casters 8, elastic wheel 9 is rotatably installed in spring spring end.
As shown in Figure 2.Feeding module 10 includes the supporting construction be arranged on front side of casing 1 on tank wall, supporting construction is provided with the rear left piezoelectric ceramics block 101 being positioned at rear leftward position, be positioned at the rear right piezoelectric ceramics block 102 of rear right positions, be positioned at the front left piezoelectric ceramics block 103 of front leftward position, be positioned at the front right piezoelectric ceramics block 104 of front right positions, wherein rear left piezoelectric ceramics block 101, between rear right piezoelectric ceramics block 102, and front left piezoelectric ceramics block 103, there is between front right piezoelectric ceramics block 104 gap that power supply polar filament passes respectively, and two intersegmental gaps are in same just to elastic wheel 9, between conductive casters 8 gap straight line on, be connected by middle left piezoelectric ceramics block 105 between rear left piezoelectric ceramics block 101 with front left piezoelectric ceramics block 103, be connected by middle right piezoelectric ceramics block 106 between rear right piezoelectric ceramics block 102 with front right piezoelectric ceramics block 104, rear left, rear right, front left, front right piezoelectric ceramics block 101, 102, 103, 104 are connected with outside micro EDM power cathode respectively, middle left piezoelectric ceramics block 105, middle right piezoelectric ceramics block 106 is connected with outside micro EDM positive source respectively, and wire electrode is successively through rear left and rear right piezoelectric ceramics block 101, gap between 102, front left and front right piezoelectric ceramics block 103, wire guiding nipple 11 is entered behind gap between 104.
As shown in Figure 2.Feeding module original state is as shown in (a) in Fig. 2.When feeding starts, rear left, rear right piezoelectric ceramics block 101,102 add negative voltage and shrink, and unclamp wire electrode, as shown in (b) in Fig. 2.Then left in, middle right piezoelectric ceramics block 105,106 adds positive voltage and extends, and drives wire electrode feeding, as shown in (c) in Fig. 2.Then rear left, rear right piezoelectric ceramics block 101,102 are removed voltage and are extended and clamping electrode silk, as shown in (d) in Fig. 2.Then front left, front right piezoelectric ceramics block 103,104 apply negative voltage contraction and unclamp wire electrode, as shown in (e) in Fig. 2.Subsequently, left, middle right piezoelectric ceramics block 105,106 removes voltage resume length, and drive front left, front right piezoelectric ceramics block 103,104 get back to original state, as shown in (f) in Fig. 2.Last front left, front right piezoelectric ceramics block 103,104 are removed negative voltage and are recovered length clamping wire electrode, complete primary feed, as shown in (g) in Fig. 2.Contrary operating process is taked during rollback.
In the present invention, first the wire electrode uniform winding of certain diameter is taken turns in storage silk, and arrive conductive casters by positive silk wheel, extend certain length through feeding module and wire guiding nipple.Conductive casters is connected with micro EDM power supply, realizes the importing of processing power source to wire electrode.Control the start and stop of power supply and the feeding of wire electrode and rollback by Tiny electric spark machining control system's and realize micro EDM.
Claims (2)
1. a micro EDM enters silk device automatically, it is characterized in that: include casing, in casing, posterior rotation is provided with storage silk wheel, storage silk wheel is wound with the Linear cut silk as wire electrode, rear portion in casing, storage silk wheel right side is rotatablely equipped with three positive silk auxiliary wheels of the distribution in isosceles triangle, and closed loop is around the positive silk elastic webbing on three positive silk auxiliary wheels, rear portion in casing, storage silk wheel right side is also rotatablely equipped with positive silk wheel, positive silk elastic webbing wherein between two positive silk auxiliary wheels is pressed on positive silk wheel, positive silk elastic webbing elastic tension, in casing, front portion is rotatablely equipped with the elastic wheel of left-right situs, conductive casters, elastic wheel, there is between conductive casters the gap passed through for Linear cut silk, and conductive casters is connected with outside micro EDM power supply, described cabinet front tank wall is provided with feeding module, wire electrode on storage silk wheel is taken turns after positive silk through positive silk, from elastic wheel, between conductive casters, gap is passed, feeding module is entered again on rear side of feeding module, then pass on front side of feeding module, and feeding module installed in front has the wire guiding nipple with wire electrode diameter matches, described feeding module includes the supporting construction be arranged on cabinet front tank wall, supporting construction is provided with the rear left piezoelectric ceramics block being positioned at rear leftward position, be positioned at the rear right piezoelectric ceramics block of rear right positions, be positioned at the front left piezoelectric ceramics block of front leftward position, be positioned at the front right piezoelectric ceramics block of front right positions, wherein rear left piezoelectric ceramics block, between rear right piezoelectric ceramics block, and front left piezoelectric ceramics block, there is between front right piezoelectric ceramics block gap that power supply polar filament passes respectively, and two intersegmental gaps are in same just to elastic wheel, between conductive casters gap straight line on, be connected by middle left piezoelectric ceramics block between rear left piezoelectric ceramics block with front left piezoelectric ceramics block, be connected by middle right piezoelectric ceramics block between rear right piezoelectric ceramics block with front right piezoelectric ceramics block, described rear left, rear right, front left, front right piezoelectric ceramics block is connected with outside micro EDM power cathode respectively, middle left piezoelectric ceramics block, middle right piezoelectric ceramics block is connected with outside micro EDM positive source respectively, described wire electrode is successively through gap rear left and rear right piezoelectric ceramics block, wire guiding nipple is entered behind gap between front left and front right piezoelectric ceramics block.
2. a kind of micro EDM according to claim 1 enters silk device automatically, it is characterized in that: in the casing of described elastic wheel side, be provided with fixing point, described fixing point is connected with the spring pointing to conductive casters, described elastic wheel is rotatably installed in spring spring end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023073.2A CN103785908B (en) | 2014-01-18 | 2014-01-18 | A kind of micro EDM enters silk device automatically |
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| CN201410023073.2A CN103785908B (en) | 2014-01-18 | 2014-01-18 | A kind of micro EDM enters silk device automatically |
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| CN103785908A CN103785908A (en) | 2014-05-14 |
| CN103785908B true CN103785908B (en) | 2015-12-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109865908A (en) * | 2019-03-21 | 2019-06-11 | 合肥工业大学 | A kind of wire cutting electrical discharge machining automatic wire feeding device and technique |
| CN109865909A (en) * | 2019-03-21 | 2019-06-11 | 合肥工业大学 | A kind of accurate automatic wire feeding device and technique of high speed electrode wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094378A (en) * | 1987-08-07 | 1992-03-10 | Fanuc Ltd. | Wire feed apparatus |
| JPH04315518A (en) * | 1991-04-13 | 1992-11-06 | Sodick Co Ltd | Automatic connection device for wire |
| JPH07290320A (en) * | 1994-04-21 | 1995-11-07 | Yaskawa Electric Corp | Wire cut electric discharge machining device |
| CN1418140A (en) * | 2001-01-16 | 2003-05-14 | 三菱电机株式会社 | Automatic wire electrode feeder for wire electric discharge machining devices |
| CN202291725U (en) * | 2011-08-26 | 2012-07-04 | 苏州中谷机电科技有限公司 | Wire guiding device |
-
2014
- 2014-01-18 CN CN201410023073.2A patent/CN103785908B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094378A (en) * | 1987-08-07 | 1992-03-10 | Fanuc Ltd. | Wire feed apparatus |
| JPH04315518A (en) * | 1991-04-13 | 1992-11-06 | Sodick Co Ltd | Automatic connection device for wire |
| JPH07290320A (en) * | 1994-04-21 | 1995-11-07 | Yaskawa Electric Corp | Wire cut electric discharge machining device |
| CN1418140A (en) * | 2001-01-16 | 2003-05-14 | 三菱电机株式会社 | Automatic wire electrode feeder for wire electric discharge machining devices |
| CN202291725U (en) * | 2011-08-26 | 2012-07-04 | 苏州中谷机电科技有限公司 | Wire guiding device |
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