CN101670519B - Tool electrode compositely processed by electric spark end face milling and mechanical grinding - Google Patents
Tool electrode compositely processed by electric spark end face milling and mechanical grinding Download PDFInfo
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- CN101670519B CN101670519B CN2009100189328A CN200910018932A CN101670519B CN 101670519 B CN101670519 B CN 101670519B CN 2009100189328 A CN2009100189328 A CN 2009100189328A CN 200910018932 A CN200910018932 A CN 200910018932A CN 101670519 B CN101670519 B CN 101670519B
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Abstract
The invention relates to a tool electrode compositely processed by electric spark end face milling and mechanical grinding, belonging to the special processing field. The tool electrode comprises a discharge electrode (1), a supporting disk (2), a discharge electrode compression gasket (3), a disk charge electrode compression nut (4), a tool electrode shaft (5), a screw (6), a grinding bar compression nut (7), a grinding bar compression gasket (8) and a grinding bar (9). when in processing, the tool electrode compositely processed by the electric spark end face milling and the mechanical grinding is arranged on a main shaft head of a machine tool, and performs the rotation motion and the movement in Z direction under the drive of the main shaft head; the tool electrode and a workpiece are respectively connected with the cathode and the anode of a pulse power source, operating fluid is poured between the tool electrode and the workpiece; and the tool electrode is subject to the electric spark milling by the discharge action generated between the end face of the discharge electrode (1) and the workpiece and the mechanical grinding by the grinding action between the end face of the grinding bar (9) and the workpiece.
Description
Technical field
The invention belongs to special process field, relate to a kind of electrical spark face milling and mechanical grinding composite machining tool electrode.
Background technology
Electric spark milling processing is to begin one's study late 1980s, a kind of novel processing technology that just grows up the beginning of the nineties.It adopts the electrode (as stick electrode) of simple shape to do the moulding campaign according to certain track as milling cutter, and this electrode can carry out electric spark milling processing to three-dimensional die cavity or profile under the control of digital control system.Compare with traditional Electric Discharge Machining, electric spark milling has not only saved the design and the manufacturing of shaped electrode, shortened the production cycle of product, reduced processing charges, improved processing flexibility, but also improve processing stability, minimizing capacity effect effectively, be a kind of process technology that has development prospect.Electric spark milling tool-electrode commonly used both at home and abroad at present is metal electrode, that its shape has is bar-shaped, tubular tool electrode etc., the major function of such tool-electrode is to realize spark discharge milling workpiece, mainly be suitable for thick and semifinishing, can not realize the Compound Machining of electric spark milling and mechanical grinding.
Can realize the tool-electrode of electrical spark face milling and mechanical grinding Compound Machining, not appear in the newspapers as yet both at home and abroad at present.
Summary of the invention
The object of the present invention is to provide a kind of electrical spark face milling and mechanical grinding composite machining tool electrode of big plane processing usefulness, realize efficient, the high accuracy electrical spark face milling and mechanical grinding Compound Machining on big plane, improve difficult working (machining) efficiency and machining accuracy of processing the big plane of conductive material, reduce its processing cost.
Principle of the present invention: electrical spark face milling of being invented and mechanical grinding composite machining tool electrode are made up of sparking electrode 1, supporting disk 2, sparking electrode compress gasket 3, sparking electrode clamp nut 4, tool-electrode axle 5, screw 6, grinding rod clamp nut 7, grinding rod compress gasket 8 and grinding rod 9.Add man-hour, electrical spark face milling and mechanical grinding composite machining tool electrode are installed on the main tapping of lathe, and under the drive of main tapping, rotate and the moving of Z direction, electrical spark face milling and mechanical grinding composite machining tool electrode and workpiece be negative with the pulse power respectively, anodal linking to each other, dash and annotate working solution between tool-electrode and workpiece, between the sparking electrode end face of electrical spark face milling and mechanical grinding composite machining tool electrode and workpiece, produce spark discharge, the TRANSIENT HIGH TEMPERATURE that produces during by discharge, high pressure is used for carrying out electric spark milling, discharge process is when removing workpiece, also on the surface of workpiece, form one deck metamorphic layer, this metamorphic layer is mainly removed in the mechanical grinding effect of grinding rod, workpiece is installed in X, on the Y direction travelling table, at X, be X under the drive of Y direction travelling table, moving of Y direction realized Compound Machining to the electric spark milling and the mechanical grinding on the big plane of workpiece by the relative motion between workbench and electrical spark face milling and mechanical grinding composite machining tool electrode.
The present invention has following advantage:
1. adopt the detachable mode of changing to design discharge tool-electrode and grinding rod, problems such as processing difficulties that whole electrical spark face milling and mechanical grinding composite machining tool electrode bring, Master Cost height can be avoided making, the manufacturing and the cost of use of electrical spark face milling and mechanical grinding composite machining tool electrode can be reduced effectively.
2. adopt the mentality of designing of alternately placing discharge tool-electrode and grinding rod at interval, add and help that working solution enters discharging gap, the galvanic corrosion product is discharged discharging gap easily man-hour, the generation of stable arc discharge can be avoided, working (machining) efficiency and precision can also be improved simultaneously.
3. can fully utilize the advantage of electric spark milling and mechanical grinding, improve accurately machined efficient, cut down finished cost.
4. can reduce the grinding force of mechanical grinding, the service life of prolongation instrument.
5. by adjusting the spark discharge parameter, can on same lathe, realize to the big plane of workpiece slightly, in, fine finishining.
6. simple in structure, reliable operation.
Description of drawings
Fig. 1 is the axial arrangement schematic diagram of electrical spark face milling of the present invention and mechanical grinding composite machining tool electrode, also is the profile of A-A position among Fig. 2.
Fig. 2 is the non-processing end radial structure schematic diagram of electrical spark face milling of the present invention and mechanical grinding composite machining tool electrode, also is the vertical view of Fig. 1.
Fig. 3 is the processing end radial structure schematic diagram of electrical spark face milling of the present invention and mechanical grinding composite machining tool electrode, also is the upward view of Fig. 1.
The specific embodiment
Referring to Fig. 1.Electrical spark face milling of the present invention and mechanical grinding composite machining tool electrode are made up of sparking electrode 1, supporting disk 2, sparking electrode compress gasket 3, sparking electrode clamp nut 4, tool-electrode axle 5, screw 6, grinding rod clamp nut 7, grinding rod compress gasket 8 and grinding rod 9.
The structure of sparking electrode 1 is made of thread segment, setting circle shell of column and the discharge cylindrical section of coaxial connection successively, and the setting circle shell of column inserts in the locating hole of supporting disk 2, fixes locking sparking electrode 1 by sparking electrode compress gasket 3 and sparking electrode clamp nut 4; Supporting disk 2 is mainly used in installs sparking electrode 1, grinding rod 7 and tool-electrode axle 5, and the centre bore of supporting disk 2 is used to install electric tool electrode axis 5; Sparking electrode compress gasket 3 is mainly used in and compresses sparking electrode 1; Sparking electrode clamp nut 4 is mainly used in fixing and locking sparking electrode compress gasket 3 and sparking electrode 1; Tool-electrode axle 5 is made up of long taper shank, ring flange and the short cylindrical of coaxial connection successively, the short cylindrical section is inserted in the centre bore of supporting disk 2, and the end face of ring flange comes together to determine the relative position of 2 of tool-electrode axle 5 and supporting disks, fix locking tool-electrode axle 5 by screw 6, tool-electrode axle 5 is mainly used in the main shaft that connects electrical spark face milling and mechanical grinding composite machining tool electrode and lathe and to electrical spark face milling and the mobile of mechanical grinding composite machining tool electrode transferring rotational motion, Z direction and operating current that electric spark milling is processed; Screw 6 is used for fixing locking tool-electrode axle 5; Grinding rod clamp nut 7 is mainly used in fixing and locking grinding rod compress gasket 8 and grinding rod 9; Grinding rod compress gasket 8 is mainly used in and compresses grinding rod 9; The structure of grinding rod 9 is made of the thread segment of the metal structure of coaxial connection successively, the setting circle shell of column and the grinding cylinder section of metal structure, the setting circle shell of column inserts in the locating hole of supporting disk 2, compresses clamp nut 7 and grinding rod compress gasket 8 fixes locking grinding rod 9 by the grinding rod.Add man-hour, electrical spark face milling and mechanical grinding composite machining tool electrode are installed on the main tapping of lathe, and under the drive of main tapping, rotate and the moving of Z direction, electrical spark face milling and mechanical grinding composite machining tool electrode and workpiece be negative with the pulse power respectively, anodal linking to each other, dash and annotate working solution between tool-electrode and workpiece, carry out electric spark milling by the spark discharge effect that produces between the end face of sparking electrode 1 and workpiece, mechanical grinding is carried out in end face and the ablation between workpiece by grinding rod 7, realizes Compound Machining to the electric spark milling and the mechanical grinding on the big plane of workpiece by the relative motion between workbench and electrical spark face milling and mechanical grinding composite machining tool electrode.
Referring to Fig. 2.In the non-processing end radial structure schematic diagram of electrical spark face milling of being invented and mechanical grinding composite machining tool electrode, the 2nd, supporting disk, the 3rd, the sparking electrode compress gasket, the 4th, the sparking electrode clamp nut, by sparking electrode compress gasket 3 and sparking electrode clamp nut 4 sparking electrode 1 compartment of terrain is installed on the circumference of supporting disk 2, the 6th, screw, be used for fixing locking tool-electrode axle 5, the 7th, grinding rod clamp nut, the 8th, grinding rod compress gasket is installed in grinding rod 9 compartment of terrains on the circumference of supporting disk 2 by grinding rod clamp nut 7 and grinding rod compress gasket 8.
Referring to Fig. 3.In the processing end radial structure schematic diagram of electrical spark face milling of being invented and mechanical grinding composite machining tool electrode, the 1st, sparking electrode, the 2nd, supporting disk, the 9th, the grinding rod, sparking electrode 1 and grinding rod 9 are spaced apart on the circumference that alternately is installed in supporting disk 2 centres, the discharge cylindrical section of sparking electrode 1 is identical with the diameter and the length of the grinding cylinder section of grinding rod 9, is beneficial to realize the compound of electric spark milling and mechanical grinding.
Claims (2)
1. electrical spark face milling and mechanical grinding composite machining tool electrode, it comprises sparking electrode (1), supporting disk (2), sparking electrode compress gasket (3), sparking electrode clamp nut (4), tool-electrode axle (5), screw (6), grinding rod clamp nut (7), grinding rod compress gasket (8) and grinding rod (9), it is characterized in that: sparking electrode (1) and grinding rod (9) are spaced apart on the circumference that alternately is installed in supporting disk (2), the circumference of supporting disk (2) is concentric with the centre bore of supporting disk (2), realize being connected of electrical spark face milling and mechanical grinding composite machining tool electrode and machine tool chief axis head by tool-electrode axle (5), and to electrical spark face milling and mechanical grinding composite machining tool electrode transmission campaign and discharge processing electric current, carry out electric spark milling by the end face of sparking electrode (1) and the spark discharge effect between workpiece, carry out mechanical grinding by the end face and the ablation between workpiece of grinding rod (9).
2. electrical spark face milling as claimed in claim 1 and mechanical grinding composite machining tool electrode, it is characterized in that: the structure of sparking electrode (1) is by the thread segment of coaxial connection successively, setting circle shell of column and discharge cylindrical section constitute, the setting circle shell of column inserts in the locating hole of supporting disk (2), fix locking sparking electrode (1) by sparking electrode compress gasket (3) and sparking electrode clamp nut (4), have on the supporting disk (2) centre bore and with the concentric circumference of centre bore on locating hole spaced apart, the structure of tool-electrode axle (5) is by the long taper shank of coaxial connection successively, ring flange and short cylindrical are formed, short cylindrical inserts in the centre bore of supporting disk (2), and the end face of ring flange comes together to determine the relative position between tool-electrode axle (5) and supporting disk (2), fix locking tool-electrode axle (5) by screw (6), the structure of grinding rod (9) is by the thread segment of the metal structure of coaxial connection successively, the setting circle shell of column of metal structure and grinding cylinder section constitute, the setting circle shell of column inserts in the locating hole of supporting disk (2), fixes locking grinding rod (9) by grinding rod clamp nut (7) and grinding rod compress gasket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100189328A CN101670519B (en) | 2009-09-16 | 2009-09-16 | Tool electrode compositely processed by electric spark end face milling and mechanical grinding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100189328A CN101670519B (en) | 2009-09-16 | 2009-09-16 | Tool electrode compositely processed by electric spark end face milling and mechanical grinding |
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| Publication Number | Publication Date |
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| CN101670519A CN101670519A (en) | 2010-03-17 |
| CN101670519B true CN101670519B (en) | 2010-12-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084678B (en) * | 2013-02-07 | 2014-11-19 | 厦门大学 | Milling and electrosparking combined machining method |
| CN104002000A (en) * | 2014-05-26 | 2014-08-27 | 盐城工学院 | Electric spark milling and mechanical grinding combined machining device |
| CN107649755B (en) * | 2017-11-01 | 2020-06-30 | 上海交通大学 | High-speed arc discharge grinding composite processing method |
| CN109894871A (en) * | 2017-12-11 | 2019-06-18 | 河南森源重工有限公司 | A kind of part process equipment and method of processing parts |
| CN107999909B (en) * | 2017-12-25 | 2023-09-12 | 浙江工业大学 | Flexible electrode electric spark deposition composite rolling processing cutter |
| CN110039318B (en) * | 2019-05-28 | 2024-03-01 | 山东茂盛管业有限公司 | Polyurethane heat-insulating pipe punching and foaming integrated equipment and application method thereof |
| CN114770231A (en) * | 2022-04-29 | 2022-07-22 | 上海交通大学 | Grinding and high-speed electric spark machining device, machine tool and method combining in-situ grinding and high-speed electric spark machining |
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