CN103785908A - Automatic wire feeding device for micro electrical discharge machining - Google Patents
Automatic wire feeding device for micro electrical discharge machining Download PDFInfo
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- CN103785908A CN103785908A CN201410023073.2A CN201410023073A CN103785908A CN 103785908 A CN103785908 A CN 103785908A CN 201410023073 A CN201410023073 A CN 201410023073A CN 103785908 A CN103785908 A CN 103785908A
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Abstract
The invention discloses an automatic wire feeding device for micro electrical discharge machining. The automatic wire feeding device for micro electrical discharge machining is used for machining an electrode wire for micro electrical discharge machining. According to the automatic wire feeding device for micro electrical discharge machining, a wire-electrode cutting wire can be used as a tool electrode for micro electrical discharge machining, cost of micro electrical discharge machining is lowered, and machining efficiency is improved. Firstly, a user winds the electrode wire with a certain diameter around a wire reel, and the electrode wire reaches a conductive wheel through wire rectifying wheels, penetrates through a feeding system and a wire guide nozzle, and extends by a certain distance. The conductive wheel is connected with a micro electrical discharge machining power source to achieve conduction from the power source to the electrode wire. Switching-on and switching-off of the power source and feeding and retracting of the electrode wire are controlled a micro electrical discharge machining control system so as to achieve micro electrical discharge machining.
Description
Technical field
The present invention relates to Micro-edm Equipments field, be specially a kind of fine electric spark processing and automatically enter silk device.
Background technology
Spark machined (Electrical Discharge Machining, be called for short EDM) be in working solution medium, the localized hyperthermia, the high pressure ablation workpiece material that utilize the pulse feature spark discharge between tool-electrode and workpiece to produce, reach a kind of processing method that certain size, shape and surface roughness requires, also referred to as " electric discharge processing " or " galvanic corrosion processing ".Along with scientific and technological development and progress, various high rigidity, high strength, high fragility, high viscosity and high-purity new material constantly occur, the parts with various labyrinths and special process requirement are more and more, bring stern challenge to manufacturing industry.Spark machined is a kind of noncontact procession, and without cutting force, the mechanical strength to tool materials, hardness no requirement (NR), can adopt softer tool materials to process the conductive material of any hardness and fragility.Fine electric spark processing is one of conventional fine machining method, but the preparation of fine electric spark wire electrode used is puzzlement scientific research personnel's a 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 fine electric spark processing, become one of problem demanding prompt solution.Line cutting electrode silk technology of preparing is relatively ripe, and the line cutting electrode silk of various materials has the cost supply of various diameters, and its diameter can reach 0.08mm, can meet the fine electric spark process requirements in certain accuracy rating.Therefore adopt line cutting electrode silk as fine electric spark machined electrode silk, can improve economy and the efficiency of fine electric spark processing.
Summary of the invention
The object of this invention is to provide the processing of a kind of fine electric spark and automatically enter silk device, in line cutting wire processing fine electrospark electrode silk, automatically enter silk to realize.
In order to achieve the above object, the technical solution adopted in the present invention is:
Silk device is entered in a kind of fine electric spark processing automatically, it is characterized in that: include casing, in casing, posterior rotation is provided with storage silk wheel, on storage silk wheel, be wound with the line cutting wire as wire electrode, rear portion in casing, storage silk wheel right side is rotatablely equipped with and is three positive silk auxiliary wheels that isosceles triangle distributes, 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 that arrange left and right, conductive casters, elastic wheel, between conductive casters, there is the gap of passing through for line cutting wire, and conductive casters is connected with outside fine electric spark processing power source, before described casing, on side box wall, feeding module is installed, wire electrode on storage silk wheel is after the positive silk of positive silk wheel, from elastic wheel, between conductive casters, gap is passed, enter feeding module from feeding module rear side again, then pass from feeding module front side, and feeding module installed in front has the wire guiding nipple mating with wire electrode diameter.
Silk device is entered in described a kind of fine electric spark processing automatically, it is characterized in that: described feeding module includes the supporting construction being arranged on the front side box wall of casing, in supporting construction, be provided with the rear left piezoelectric ceramics block that is 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, between front right piezoelectric ceramics block, there is respectively the gap that power supply polar filament passes, and two intersegmental gaps in same just to elastic wheel, between conductive casters on the straight line in gap, between rear left piezoelectric ceramics block and front left piezoelectric ceramics block, be connected by middle left piezoelectric ceramics block, between rear right piezoelectric ceramics block and front right piezoelectric ceramics block, be connected by middle right piezoelectric ceramics block, described rear left, rear right, front left, front right piezoelectric ceramics block is connected with outside fine electric spark processing power source negative pole respectively, middle left piezoelectric ceramics block, middle right piezoelectric ceramics block is connected with outside fine electric spark processing power source is anodal respectively, described wire electrode is gap through rear left and rear right piezoelectric ceramics block successively, between front left and front right piezoelectric ceramics block, behind gap, enter wire guiding nipple.
Silk device is entered in described a kind of fine electric spark processing automatically, it is characterized in that: in the casing of described elastic wheel one side, be provided with fixing point, be connected with the spring that points to conductive casters on described fixing point, described elastic wheel is rotatably installed in spring spring end.
In the present invention, using line cutting wire as wire electrode, uniform winding, on storage silk wheel, can be processed for a long time.
In the present invention, take turns, form positive silk system by three positive auxiliary wheels, positive silk elastic webbing, positive silk, wire electrode is aligned, reduce the bending of wire electrode.
In the present invention, utilize conductive casters to be connected with outside fine electric spark processing power source, realize to wire electrode and import power supply.
In the present invention, the feeding module being formed by piezoelectric ceramics, the deformation while utilizing piezoelectric ceramics energising with power-off, realizes the feeding of wire electrode.
In the present invention, utilize wire guiding nipple to lead to the wire electrode of outlet, wire guiding nipple must be supporting with the diameter of wire electrode, and the wire electrode of different-diameter is installed corresponding wire guiding nipple.
Novel structure of the present invention, can realize and once fill the processing of filament length time, and improves 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.
The specific embodiment
As shown in Figure 1.Silk device is entered in a kind of fine electric spark processing automatically, include casing 1, the interior posterior rotation of casing 1 is provided with storage silk wheel 2, on storage silk wheel 2, be wound with the line cutting wire as wire electrode, the interior rear portion of casing 1, storage silk wheel 2 right sides are rotatablely equipped with and are three positive silk auxiliary wheels 3 that isosceles triangle distributes, 4, 7, and closed loop is around three positive silk auxiliary wheels 3, 4, positive silk elastic webbing 5 on 7, the interior rear portion of casing 1, storage silk wheel 2 right sides are also rotatablely equipped with positive silk wheel 6, 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, the interior front portion of casing 1 is rotatablely equipped with the elastic wheel 9 that arrange left and right, conductive casters 8, elastic wheel 9, between conductive casters 8, there is the gap of passing through for line cutting wire, and conductive casters 8 is connected with outside fine electric spark processing power source, on the front side box wall of casing 1, feeding module 10 is installed, wire electrode on storage silk wheel 2 is after positive silk wheel 6, from elastic wheel 9, between conductive casters 8, gap is passed, enter feeding module 10 from feeding module 10 rear sides again, then pass from feeding module 10 front sides, and feeding module 10 installed in front have the wire guiding nipple 11 mating with wire electrode diameter.
In the casing of elastic wheel 9 one sides, be provided with fixing point, be connected with the spring that points to conductive casters 8 on fixing point, elastic wheel 9 is rotatably installed in spring spring end.
As shown in Figure 2.Feeding module 10 includes the supporting construction being arranged on the front side box wall of casing 1, is provided with the rear left piezoelectric ceramics block 101 that is positioned at rear leftward position in supporting construction, 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, between front right piezoelectric ceramics block 104, there is respectively the gap passed of power supply polar filament, and two intersegmental gaps in same just to elastic wheel 9, between conductive casters 8 on the straight line in gap, between rear left piezoelectric ceramics block 101 and front left piezoelectric ceramics block 103, be connected by middle left piezoelectric ceramics block 105, between rear right piezoelectric ceramics block 102 and front right piezoelectric ceramics block 104, be connected rear left by middle right piezoelectric ceramics block 106, rear right, front left, front right piezoelectric ceramics block 101, 102, 103, 104 are connected with outside fine electric spark processing power source negative pole respectively, middle left piezoelectric ceramics block 105, middle right piezoelectric ceramics block 106 is connected with outside fine electric spark processing power source is anodal 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, between 104, behind gap, enter wire guiding nipple 11.
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 contraction, 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 elongation clamping electrode silk, as shown in (d) in Fig. 2.Then front left, front right piezoelectric ceramics block 103,104 apply negative voltage and shrink and unclamp wire electrode, as shown in (e) in Fig. 2.Then middle left, middle right piezoelectric ceramics block 105,106 is removed voltages recovery length again, drives front left, front right piezoelectric ceramics block 103,104 to 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 and clamp wire electrode, complete primary feed, as shown in (g) in Fig. 2.When rollback, take contrary operating process.
In the present invention, first that the wire electrode uniform winding of certain diameter is upper in storage silk wheel, and arrive conductive casters by positive silk wheel, extend certain length through feeding module and wire guiding nipple.Conductive casters is connected with fine electric spark processing power source, realizes the importing of processing power source to wire electrode.Realize fine electric spark processing by the start and stop of Tiny electric spark machining control system's control power supply and the feeding of wire electrode and rollback.
Claims (3)
1. silk device is entered in a fine electric spark processing automatically, it is characterized in that: include casing, in casing, posterior rotation is provided with storage silk wheel, on storage silk wheel, be wound with the line cutting wire as wire electrode, rear portion in casing, storage silk wheel right side is rotatablely equipped with and is three positive silk auxiliary wheels that isosceles triangle distributes, 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, wherein the positive silk elastic webbing 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 that arrange left and right, conductive casters, elastic wheel, between conductive casters, there is the gap of passing through for line cutting wire, and conductive casters is connected with outside fine electric spark processing power source, before described casing, on side box wall, feeding module is installed, wire electrode on storage silk wheel is after the positive silk of positive silk wheel, from elastic wheel, between conductive casters, gap is passed, enter feeding module from feeding module rear side again, then pass from feeding module front side, and feeding module installed in front has the wire guiding nipple mating with wire electrode diameter.
2. silk device is entered in a kind of fine electric spark processing according to claim 1 automatically, it is characterized in that: described feeding module includes the supporting construction being arranged on the front side box wall of casing, in supporting construction, be provided with the rear left piezoelectric ceramics block that is 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, between front right piezoelectric ceramics block, there is respectively the gap that power supply polar filament passes, and two intersegmental gaps in same just to elastic wheel, between conductive casters on the straight line in gap, between rear left piezoelectric ceramics block and front left piezoelectric ceramics block, be connected by middle left piezoelectric ceramics block, between rear right piezoelectric ceramics block and front right piezoelectric ceramics block, be connected by middle right piezoelectric ceramics block, described rear left, rear right, front left, front right piezoelectric ceramics block is connected with outside fine electric spark processing power source negative pole respectively, middle left piezoelectric ceramics block, middle right piezoelectric ceramics block is connected with outside fine electric spark processing power source is anodal respectively, described wire electrode is gap through rear left and rear right piezoelectric ceramics block successively, between front left and front right piezoelectric ceramics block, behind gap, enter wire guiding nipple.
3. silk device is entered in a kind of fine electric spark processing according to claim 1 automatically, it is characterized in that: in the casing of described elastic wheel one side, be provided with fixing point, on described fixing point, be connected with the spring that points to conductive casters, described elastic wheel is rotatably installed in spring spring end.
Priority Applications (1)
| 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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| 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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| Publication Number | Publication Date |
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| CN103785908A true CN103785908A (en) | 2014-05-14 |
| CN103785908B CN103785908B (en) | 2015-12-02 |
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| CN201410023073.2A Expired - Fee Related CN103785908B (en) | 2014-01-18 | 2014-01-18 | A kind of micro EDM enters silk device automatically |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103785908B (en) | 2015-12-02 |
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Granted publication date: 20151202 Termination date: 20200118 |