CN102151922B - Device and method for quickly manufacturing bundled forming electrode profile - Google Patents
Device and method for quickly manufacturing bundled forming electrode profile Download PDFInfo
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- CN102151922B CN102151922B CN2010106183756A CN201010618375A CN102151922B CN 102151922 B CN102151922 B CN 102151922B CN 2010106183756 A CN2010106183756 A CN 2010106183756A CN 201010618375 A CN201010618375 A CN 201010618375A CN 102151922 B CN102151922 B CN 102151922B
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Abstract
The invention provides a device and a method for quickly manufacturing a bundled forming electrode profile, and belongs to the technical field of electric spark processing. The device comprises a fastening hose clamp, an electrode jacket, electrode units, a target shape die and an electrode clamp interface; a plurality of electrode units, the electrode jacket, the fastening hose clamp and the electrode clamp interface are fixed from inside to outside sequentially; and the target shape die is opposite to the electrode units. By adopting a unit electrode combined body and a combined body consisting of a templet die body and a supporting table of the templet die body, the bundled forming electrode which has a certain axial depth and a die body or an end face profile of the die body for processing the die can be realized conveniently, practically and reliably.
Description
Technical field
What the present invention relates to is a kind of device and method that is used for the spark erosion technique field, specifically is a kind of clustered shaped electrode profile quick preparation device and preparation method thereof.
Background technology
Spark machined is a kind of special processing technology that is widely used in industries such as Aeronautics and Astronautics, automobile, electronics, mould, light industry; Galvano-cautery phenomenon when it is based on pulse feature spark discharge between instrument and the workpiece (positive and negative electrode) is lost except that excess metal; To reach the processing method of part preliminary dimension, shape and surface quality; It is little to have macroscopical active force, and characteristics such as noncontact processing are particularly suitable for the processing of difficult-to-machine material and complicated shape part.The part that wherein has the complicated shape profile adopts shaped electrode to process usually; There are very many deficiencies in the tradition shaped electrode, as: 1, because electrode shape is complicated, and profile changes with the difference of workpiece; Be unfavorable for batch machining; Manufacturing process needs more man-hour, and process equipment is expensive, and the technological level of processing personnel is also had higher requirements; 2, need to remove quite a few material in the electrode manufacturing process, and export license be to just changing to a certain degree, recycling rate of waterused is low, and the waste resource and the energy do not meet the trend of green manufacturing; 3, need make a plurality of electrodes during processing and forming and be used for changing,, cause the electrode cost to account for about half of whole machining process expense because each electrode cost of manufacture is high; 4, each shaped electrode can only have one road power supply disruptive discharge at every turn, adds the existence between the discharge arteries and veins, makes interior material removing rate of its unit interval not high; When 5, the shaped electrode area increased, interelectrode parasitic capacitance also increased, and made each pulse discharging energy increase, and had reduced the quality of finished surface; 6, the working solution of traditional spark machined can only get into machining area from the side gap of electrode, need select suitable machining gap and parameter for use even need often have the action of lifting electrode to be beneficial to chip removal, reduces working (machining) efficiency.
These deficiencies of the prior art and defective fully show; Reduce the Production Time of spark-erosion sinking machined electrode; Reduce shaped electrode cost of manufacture and difficulty; Realize the mass production of shaping machined electrode, improve the utilization rate of electrode material, improving working (machining) efficiency and speed is to improve the necessary means of the market competitiveness of spark machined greatly.
Through the retrieval of prior art is found, Chinese patent number is ZL200510024579.6, Granted publication day 2007-6-13; Put down in writing a kind of " internal liquid-flushing cluster shaping electrode for electrospark "; The technology summary of this patent is: a kind of internal liquid-flushing cluster shaping electrode for electrospark that belongs to the special processing technology field the present invention includes: electrode unit and electrode base, and the bottom of electrode base is fixed; And the assembly of support electrode unit; Described electrode unit is bar-shaped object, and described electrode base comprises: electrode holder interface, base body, clamping module, and the openend of base body connects the clamping module; Electrode holder interface bottom is integral type with base body or is detachable; When being detachable when electrode holder interface bottom with base body, the blind end of electrode holder interface and base body is through being threaded or being connected, and is inserted and secured on base body bottom the electrode holder interface.But the only conceptual architectural feature of introducing bundling electrode of this prior art does not provide and how to realize preparing the concrete grammar with target complex three-dimensional end face profile bundling electrode, and this practical engineering application meaning of bundling electrode just.
Summary of the invention
The present invention is directed to the above-mentioned deficiency that prior art exists; A kind of clustered shaped electrode profile quick preparation device and preparation method thereof is provided, can realizes preparing the clustered shaped electrode that is used for machining 3 D profile target product or three dimensional type appearance mark product processing mold easily, practically and reliably.
The present invention realizes through following technical scheme:
The present invention relates to a kind of clustered shaped electrode profile quick preparation device; Comprise: fastening larynx hoop, electrode chuck, electrode unit, target shape mould and electrode holder interface; Wherein: some electrode units, electrode chuck, fastening larynx hoop and electrode holder interface fixedly install successively from inside to outside, and the target shape mould is over against electrode unit.
Described fastening larynx hoop is that open annular is jacket structured, is provided with bolt interface and corresponding bolt at the openend of fastening larynx hoop, realizes radially tightening up of annular chuck.
The inboard profile of described electrode chuck is that electrode unit is stablized profile, and the outside of this electrode chuck is a hexgonal structure.
The two ends of described electrode chuck along the circumferential direction evenly are provided with retraction slot, and realization is fixedly connected with the electrode holder interface.
Described electrode unit is the column structure of hollow and side fluting, and the radial section of this electrode unit is centrosymmetric image or T font, L font or zigzag, like circle or regular polygon.
Described target shape mould comprises: mold and saddle, wherein: a side of mold is convex configuration or concave structure.
Described mold is that mould silica gel, gypsum, paraffin etc. are processed.
Shown electrode holder interface is the connector of bundling electrode clamping device and machine tool chief axis, is used to realize that bundling electrode is connected with the reliable of machine tool chief axis.
The present invention relates to the clustered shaped electrode profile fast preparation method of said apparatus, may further comprise the steps:
The first step, select some electrode units to be filled in the electrode chuck, and it is externally reinforced to be fixed in the electrode chuck with fastening larynx hoop, realizes the structure of electrode unit assembly according to target product profile projected area.
The assembly of second step, electrode unit constructs the electrode end surface with saddle axial depth and mold target product profile according to the mold and the saddle of convex surface or concave structure;
The 3rd goes on foot, further tightens up fastening larynx hoop makes that tight contact is not subjected to displacement between the electrode unit; And obtain having a bundling electrode end face that can be used for editing objective product profile thus by what electrode unit was formed, realize the quick preparation of clustered shaped electrode profile.
When needs preparations is used to process the clustered shaped electrode of target product of convex surface or concave structure; Then can be the end face that electrode is participated in spark machined with this pattern end face of bundling electrode; At its non-pattern end face one end the electrode chuck is connected with the electrode holder interface, thereby prepares the clustered shaped electrode of the target product that can be used for processing convex surface or concave structure; When needs preparations is used to process the clustered shaped electrode of target product processing mold of convex surface or concave structure; Promptly when target product is convex surface or concave structure; The mould of editing objective product is pairing recessed (protruding) face of this convex surface or concave structure; The bundling electrode that is used to process this mould should have convex surface or the concave structure of target product, can realize through following method, in above-mentioned pattern operation; Adopt isometric electrode unit; Then when bundling electrode pattern end face forms corresponding recessed (protruding) face of target product profile, the natural shaped profile for the convex surface or the concave structure that can be used for the target product Mould Machining in its other end serves as the end face of participating in spark machined with the non-pattern end face of bundling electrode; At its pattern end face one end the electrode chuck is connected with the electrode holder interface, thereby prepares the clustered shaped electrode that can be used for the editing objective product mold.
The present invention has given full play to shaped electrode discretization that bundling electrode will the have monoblock type complex three-dimensional profile electrode preparation characteristics that a large amount of stick electrode unit boundling forms of serving as reasons; Electrode unit through great cluster carries out the end face pattern to the target product profile to saddle and target profile product combination body; Convenient, realized having the quick preparation process of the bundling electrode that can be used for the editing objective product of certain axial depth and target product profile end face compactly; Simultaneously; Through adopting the method for isometric electrode unit; When the formation of bundling electrode pattern end face can be used for the profile of editing objective product, natural shaped in its other end easily for can be used for the end face profile of editing objective product mold, therefore; This non-pattern end face with bundling electrode is participated in the end face of spark machined, the preparation process of the bundling electrode that also can make things convenient for, succinct realization can be used for the editing objective product mold for it.The method that this pattern prepares clustered shaped electrode has fully represented bundling electrode in the electrode preparation time of reducing spark-erosion sinking processing, reduces the advantage of shaped electrode cost of manufacture and manufacture difficulty aspect.
Description of drawings
Fig. 1 is apparatus of the present invention sketch map;
Wherein: (a) being the concave surface mould, (b) is convex molds.
Fig. 2 prepares the clustered shaped electrode sketch map for embodiment;
Wherein: (a) being the concave surface mould, (b) is convex molds.
The specific embodiment
Below in conjunction with embodiment the inventive method is elaborated, present embodiment provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
Present embodiment will be respectively to having the protruding sphere that outline diameter 22.5mm end face profile is radius 16mm degree of depth 5mm and the target product of concave spherical surface, prepare clustered shaped electrode with target product end face profile with 5mm axial depth and diameter 22.5mm cylinder machining profile.
Shown in Fig. 1 (a) and Fig. 1 (b); Present embodiment comprises: fastening larynx hoop 1, electrode chuck 2, electrode unit 3, convex molds body 4, convex surface saddle 5, concave surface mold 6, concave surface saddle 7 and electrode holder interface 8; Wherein: some electrode unit 3, electrode chuck 2, fastening larynx hoop 1 and electrode holder interface 8 fixedly install successively from inside to outside, convex surface saddle 5 or concave surface saddle 7 over against electrode unit 3 and convex molds body 4 or concave surface mold 6 between convex surface saddle 5 or concave surface saddle 7 and electrode unit 3.
Described fastening larynx hoop 1 is that open annular is jacket structured, is provided with bolt interface and corresponding bolt at the openend of fastening larynx hoop, can realize radially tightening up of annular chuck through the precession bolt, and its scope of tightening up is Φ 38mm-Φ 30mm.
The inboard profile of described electrode chuck 2 is the regular hexagon profile of length of side 16mm; Outside interlude is the outer-hexagonal structure; Be convenient to spanner to its whole precession, along interior profile hexagonal sideline the chuck pinching end evenly offered the retraction slot of width 1.6mm, degree of depth 12mm at its two ends, be used for fastening larynx hoop 1 and tighten up this port of chuck to realize clamping to electrode unit 3 assemblys; It is provided with M36 between retraction slot and outer-hexagonal structure helicitic texture is used for connection electrode anchor clamps interface 8.
Described electrode unit 3 is long for 100mm, the hollow rod-shape electrode of internal diameter 0.5mm external diameter 1.5mm.
It is the protruding sphere of radius 16mm degree of depth 5mm that described convex molds body 4 has outline diameter 22.5mm end face profile.
Described convex surface saddle 5 is the column structure of the high 5mm of diameter 15mm.
It is the concave spherical surface of radius 16mm degree of depth 5mm that described concave surface mold 6 has outline diameter 22.5mm end face profile.
Described concave surface saddle 7 is the hollow columnar structures of the high 5mm of internal diameter 22.5mm external diameter 28mm.
Shown electrode holder interface 8 one end inboards are provided with the opening cavity of the internal thread with M36; Be used for being threaded with electrode chuck 2, its outside has the regular hexagon profile, is convenient to tool holding; Its other end is the cylindrical structure of Φ 25mm, is used for being connected with machine tool chief axis.
Shown in Fig. 2 (a) and Fig. 2 (b), the specific embodiment step of present embodiment is following:
The first step, be foundation with the profile projected area of convex molds body 4 or concave surface mold 6; Select the electrode unit 3 of suitable quantity; And the effect that steps up that is aided with fastening larynx hoop 1 and electrode chuck 2 makes up electrode unit 3 assemblys, and guarantees that electrode unit 3 assembly profiles enough cover the end face profile zone of convex molds body 4 or concave surface mold 6.
Second step, concrete 4 for the convex-surface type face mould, the assembly of electrode unit 3 according to the assembly pattern of convex molds body 4 and convex surface saddle 5 make up have convex surface saddle 5 axial depth and convex molds body 4 profiles electrode end surface; Concrete 6 for the concave face mould, electrode unit 3 assemblys make up the electrode end surface with concave surface saddle 7 axial depth and concave surface mold 6 profiles according to the assembly pattern of concave surface mold 6 and concave surface saddle 7.
The 3rd step, tighten up electrode chuck 2 through fastening larynx hoop 1 and electrode unit 3 assemblys with 5mm axial depth and convex molds body 4 or concave surface mold 6 end face profiles that build are done final reliable grip make up bundling electrode, make bundling electrode pattern end face obtain to have to can be used for the end face of mold 4 (6) profiles of processing convex surface or concave structure.
When needs preparations is used to process the clustered shaped electrode of mold 4 (6) of convex surface or concave structure; Then can be the end face that electrode is participated in spark machined with this pattern end face of bundling electrode; At its non-pattern end face one end electrode chuck 2 is threaded with electrode holder interface 8, thereby prepares the clustered shaped electrode of the mold 4 (6) that can be used for processing convex surface or concave structure; When needs preparations is used to process the clustered shaped electrode of mold processing mold of convex surface or concave structure; Promptly when mold is convex surface or concave structure; The mould of processing convex molds body 4 or concave surface mold 6 is pairing recessed (protruding) face of this convex surface or concave structure; The bundling electrode that is used to process this mould should have convex surface or the concave structure of convex molds body 4 or concave surface mold 6, can realize through following method, in above-mentioned pattern operation; Adopt isometric electrode unit 3; Then when bundling electrode pattern end face forms corresponding recessed (protruding) face of mold 4 (6) profiles, its other end is natural shaped for can be used for the convex surface of mold 4 (6) Mould Machining or the profile of concave structure, serves as the end face of participating in spark machined with the non-pattern end face of bundling electrode; At its pattern end face one end electrode chuck 2 is connected with electrode holder interface 8, thereby prepares the clustered shaped electrode that can be used for the processing mold mould.
Claims (6)
1. clustered shaped electrode profile quick preparation device; Comprise: fastening larynx hoop, electrode chuck, electrode unit, target shape mould and electrode holder interface; It is characterized in that: some electrode units, electrode chuck, fastening larynx hoop and electrode holder interface fixedly install successively from inside to outside, and the target shape mould is over against electrode unit; Described target shape mould comprises: mold and saddle, wherein: a side of mold is convex configuration or concave structure.
2. clustered shaped electrode profile quick preparation device according to claim 1 is characterized in that, described fastening larynx hoop is that open annular is jacket structured, and the openend of fastening larynx hoop is provided with bolt interface and corresponding bolt, realizes radially tightening up of annular chuck.
3. clustered shaped electrode profile quick preparation device according to claim 1 is characterized in that, the inboard profile of described electrode chuck is that electrode unit is stablized profile, and the outside of this electrode chuck is a hexgonal structure.
4. according to claim 1 or 3 described clustered shaped electrode profile quick preparation devices, it is characterized in that the two ends of described electrode chuck along the circumferential direction evenly are provided with retraction slot, realization is fixedly connected with the electrode holder interface.
5. clustered shaped electrode profile quick preparation device according to claim 1 is characterized in that, described electrode unit is the column structure of hollow and side fluting, and the radial section of this electrode unit is centrosymmetric image, T font, L font or zigzag.
6. the clustered shaped electrode profile fast preparation method of arbitrary said device among the claim 1-5 is characterized in that, may further comprise the steps:
The first step, select some electrode units to be filled in the electrode chuck, and it is externally reinforced to be fixed in the electrode chuck with fastening larynx hoop, realizes the structure of electrode unit assembly according to target product profile projected area;
The assembly of second step, electrode unit according to the mold of convex surface or concave structure and saddle construct have saddle axial depth and mold target product profile electrode end surface;
The 3rd step, further tighten up fastening larynx hoop and makes between the electrode unit that closely contact is not subjected to displacement, and obtain having the bundling electrode end face that can be used for editing objective product profile, a quick preparation of realization clustered shaped electrode profile by what electrode unit was formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106183756A CN102151922B (en) | 2010-12-30 | 2010-12-30 | Device and method for quickly manufacturing bundled forming electrode profile |
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| CN2010106183756A CN102151922B (en) | 2010-12-30 | 2010-12-30 | Device and method for quickly manufacturing bundled forming electrode profile |
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| CN102151922A CN102151922A (en) | 2011-08-17 |
| CN102151922B true CN102151922B (en) | 2012-07-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104084677A (en) * | 2014-05-12 | 2014-10-08 | 昆山华焊科技有限公司 | Gas protecting dragging cover with wire feeding mechanism |
| CN110230082B (en) * | 2019-07-18 | 2021-06-25 | 烟台大学 | Device and method for preparing cluster cathode micro-arc oxidation film |
| CN110238469A (en) * | 2019-07-22 | 2019-09-17 | 北京理工大学 | A kind of electric discharge machining method of combination electrode and big aspect ratio multistage microstructural |
| CN112453603A (en) * | 2020-11-27 | 2021-03-09 | 合肥工业大学 | Sleeve-shaped electrochemical machining electrode capable of machining various complex hole patterns |
Citations (3)
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|---|---|---|---|---|
| GB1483897A (en) * | 1974-11-06 | 1977-08-24 | Secr Defence | Electrical discharge machining |
| CN1657208A (en) * | 2005-03-24 | 2005-08-24 | 上海交通大学 | Internal liquid-flushing cluster shaping electrode for electrospark machining |
| CN101890547A (en) * | 2010-08-06 | 2010-11-24 | 上海交通大学 | Clustered shaped electrode holding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58186532A (en) * | 1982-04-27 | 1983-10-31 | Mitsubishi Electric Corp | Mirror face machining electrode by electric discharge |
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- 2010-12-30 CN CN2010106183756A patent/CN102151922B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1483897A (en) * | 1974-11-06 | 1977-08-24 | Secr Defence | Electrical discharge machining |
| CN1657208A (en) * | 2005-03-24 | 2005-08-24 | 上海交通大学 | Internal liquid-flushing cluster shaping electrode for electrospark machining |
| CN101890547A (en) * | 2010-08-06 | 2010-11-24 | 上海交通大学 | Clustered shaped electrode holding device |
Non-Patent Citations (1)
| Title |
|---|
| 李磊 等.集束电极电火花加工工艺.《上海交通大学学报》.2009,第43卷(第1期), * |
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