CN101554670A - Electric spark tapping machine - Google Patents
Electric spark tapping machine Download PDFInfo
- Publication number
- CN101554670A CN101554670A CNA2008100665565A CN200810066556A CN101554670A CN 101554670 A CN101554670 A CN 101554670A CN A2008100665565 A CNA2008100665565 A CN A2008100665565A CN 200810066556 A CN200810066556 A CN 200810066556A CN 101554670 A CN101554670 A CN 101554670A
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- tapping
- electrode
- workbench
- workpiece
- tapper
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 75
- 238000010892 electric spark Methods 0.000 title abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 239000012224 working solution Substances 0.000 description 9
- 238000003754 machining Methods 0.000 description 5
- 238000002679 ablation Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009760 electrical discharge machining Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to an electric spark tapping machine, which is used for tapping a hard metal workpiece and comprises a lathe bed, an electric appliance control cabinet, an operation panel, a Z workbench, an XY workbench, an electrode 1, an electrode 2 and a tapping electrode, wherein the XY workbench is provided with an XY-axis servo drive assembly, the Z workbench is provided with a Z-axis servo drive assembly, the XY workbench and the Z workbench are mutually insulated and are respectively and fixedly connected with the lathe bed, the electrode 1 is connected with the Z workbench, the electrode 2 is connected with the XY workbench, the electric appliance control cabinet is connected with the Y-axis servo drive assembly and the XY-axis servo drive assembly, the operation panel is connected with the electric appliance control cabinet, the hard metal workpiece is fixedly and electrically connected with the XY workbench, the tapping electrode of the electric spark tapping machine is in a bolt shape, a specific feeding motion is arranged between the bolt-shaped tapping electrode and the hard metal workpiece, the working speed of the electric spark tapping machine is high, the operation is simple and convenient, and the cost and the energy consumption are saved.
Description
Technical field
The present invention relates to a kind of tapping machine, refer to a kind of tapping electrode that adopts special construction especially, fast the electrical spark tapper of tapping.
Background technology
In modern industry is produced, often need process the metal parts type, method for processing often adopts metal cutting processing, and for hard metal material, because the restriction of its physical characteristic, conventional metal cutting difficult processing realizes, usually have only some special processing methods of employing, these main machining method that adopt in the industry have grinding at present, electric spark galvanic corrosion processing, methods such as Laser Processing, because these processing methods or be because the employed equipment of process is relatively expensive as laser processing method, or are because the speed of processing is comparatively slow, as grinding method and spark erosion machining, thereby cause cost of processing high.
When the man-hour that adds that need carry out some complicated processing to the harder metal material of material, general grinding and Laser Processing all can't be finished, just can only use senior electric discharge machine that workpiece is carried out electric spark galvanic corrosion processing, spark machined is together to immerse work piece and the tool-electrode of processing usefulness in the working solution, or charge into working solution in the gap between work piece and tool-electrode, tool-electrode and workpiece connect the two poles of the earth of the pulse power respectively, by gap automatic controlling system tool-electrode to the workpiece feeding, when two interelectrode gaps reach certain distance, the pulse voltage that applies on two electrodes punctures working solution, produce spark discharge, instantaneous concentrated a large amount of heat energy in the micro-channel of discharge, temperature can be up to more than 10,000 degrees centigrade, and pressure also has rapid variation, high temperature and high pressure impels the metal material of the local trace of working surface to melt at once, gasification, and explosion type be splashed in the working solution, condensation rapidly, form the metal particle of solid, taken away by working solution, at this moment on surface of the work, just stay next small of short duration the resting of pit vestige discharge, working solution recovers state of insulation between two electrodes, continuous discharge so again and again, surface of the work will be constantly by the galvanic action ablation, though the amount of metal of each pulsed discharge ablation is few, but because of per second has thousands of subpulse discharge process, with regard to the more metal of energy ablation, has certain productivity ratio, under the condition that keeps constant discharge gap between tool-electrode and the workpiece, one side ablation workpiece metal, make tool-electrode constantly to the workpiece feeding on one side, just process at last with the corresponding shape of tool-electrode shape.Adjust the shape of tool-electrode and the relative motion mode between tool-electrode and the workpiece according to people's needs, just can work the work piece into the profile of the various complexity that we want.
Present existing electric discharge machine adds man-hour carrying out tapping, generally can only adopt senior electric spark to carry out process equipment, this processing method generally uses 3-4 to prop up electrode, be equipped with feeding and processing that wobble heads carries out spiral, in this process, electrode carries out the spiral discharge, not only the required precision of motion control is higher, and because the direction of electric spark exists uncertain, discharge current is less in the process, causes the efficient of processing and manufacturing on the low side, for example a kind of M4 specification, the internal thread machining of the dark blind hole of 10mm, usually need 5-8 consuming time hour, it is higher to add the senior spark erosion equipment cost that can carry out this processing, and the price of equipment is all more than 300,000 yuans usually, thereby causing cost of processing high, efficient and cost make us being difficult to accepting.
Summary of the invention
Primary technical purpose of the present invention is in order to address the above problem, to provide a kind of and improve the shape of tool-electrode and the feeding mode of tool-electrode, thereby improves the electrical spark tapper of tapping process velocity greatly.
For realizing above technical purpose, the electrical spark tapper that hard metal workpiece is carried out tapping processing of the present invention comprises lathe bed, electric control cabinet, guidance panel, the Z workbench, XY worktable, two working electrodes, the tapping electrode, XY worktable has XY axle servo-drive assembly, the Z workbench has Z axle servo-drive assembly, XY worktable is also fixedlyed connected with lathe bed respectively with Z workbench mutually insulated, two working electrodes are connected with XY worktable with the Z workbench respectively and are connected, electric control cabinet is connected with XY axle servo-drive assembly with Y-axis servo-drive assembly, guidance panel is connected with electric control cabinet, hard metal workpiece is fixed and is conducted electricity with XY worktable and is connected, the tapping electrode of this electrical spark tapper is a bolt shape, has specific feed motion between this bolt shape tapping electrode and the hard metal workpiece.
This tapping electrode has a plurality of specifications, and the bolt specification of this every kind tapping electrode is with identical with the specification of the target bolt that is matched by tapping.
Specific feed motion between this tapping electrode and the hard metal workpiece comprises and moving towards the Z of workpiece axle feed motion and the swivel feeding in the XY plane along the Z axle simultaneously, and this Z axle feed motion and swivel feeding motion are carried out simultaneously.
The feed motion that the motion of tapping electrode Z axle feeding and swivel feeding is synthesized, and target bolt and workpiece are identical by the screw-in routing motion between the tapping.
The material of this tapping electrode is a red metal.
Beneficial effect: electrical spark tapper of the present invention, adopt the bolt electrode of multiple different size to replace the tapping mode of the multielectrode discharge that traditional spark machine adopts, Jia Gong precision height not only, and equipment cost reduces greatly, the tapping electrode is cheap, operate more simply, tapping speed is faster, accelerates the efficient of tapping greatly.
Relevant detailed content of the present invention and technology are described as follows with regard to conjunction with figs. now.
Description of drawings
Fig. 1, be the schematic diagram of a preferred embodiment equipment of the present invention;
Fig. 2, for the principle flow chart of electrical spark tapper tapping of the present invention;
The schematic diagram of Fig. 3, the tapping electrode duty during for tapping of the present invention;
Fig. 4, be the enlarged drawing of Fig. 3.
The specific embodiment
Electrical spark tapper of the present invention, carry out tapping by the employing bolt shape tapping electrode pair workpiece 22 that uses bolt shape, not only more save equipment cost and consumables cost, and speed is faster when ensuring the quality of products, makes efficiently the universal on a large scale possibility that becomes of electrical spark tapper fast.
Electrical spark tapper of the present invention, carry out tapping by the 30 pairs of workpiece of employing bolt shape tapping electrode 22 that use bolt shape, not only more save equipment cost and consumables cost, and speed is faster when ensuring the quality of products, makes efficiently the universal on a large scale possibility that becomes of electrical spark tapper fast.
Please refer to Fig. 1 and shown in Figure 3, be a preferred embodiment of the present invention, for realizing above technical purpose, the electrical spark tapper that hard metal workpiece 22 is carried out tapping processing of the present invention comprises lathe bed 1, electric control cabinet 9, guidance panel, Z workbench 14, XY worktable 2, two working electrodes, tapping electrode 30.
This electrical spark tapper is in order to realize the purpose of electric spark tapping, need to satisfy specific feed motion between tapping electrode 30 and the hard metal workpiece 22, when with the position alignment of the fixing hard workpiece 22 of XY worktable 2 and tapping electrode 30 after, XY worktable 2 maintains static, the tapping electrode of fixing with Z workbench 14 30 rotates in the XY plane on one side, one edge Z axle slowly descends, be that tapping electrode 30 is being done feed motion towards workpiece 22 along the Z axle along Z-direction, in the XY plane, make simultaneously swivel feeding fortune, tapping electrode 30 whenever at the uniform velocity rotates a circle, its along the Z axle at the uniform velocity the distance of feeding be a pitch of this tapping electrode 30, the formal parameter of the thread profile parameter of this tapping electrode 30 and the target bolt that matched by tapping with workpiece 22 is identical, in an embodiment of the present invention, the rotation of tapping electrode 30 drives by stepper motor 6, stepper motor 6 is by belt 60, belt pulley 15 drives drill chuck 20, and drill chuck 20 is used for fixing tapping electrode 30.
As shown in Figure 2, for electrical spark tapper of the present invention the input power supply driving under, have numerically controlled machining platform control system and electric spark control system respectively, workpiece to be machined 22 is fixed on the numerically controlled machining platform control system, servo and Y-axis is servo by X-axis controls and mobile workpiece to be machined 22 is located in horizontal level for digital control processing control platform, the electric spark control system includes the high-pressure pump circulatory system, kinetic control system and pulse power system, kinetic control system is used to control the relative motion between tapping electrode 30 and the workpiece 22, it has comprised that the main axle servo that moves along the Z axle moves and the rotating servo that rotates moves in the XY plane, the pulse power is by two working electrodes 40,41 produce pulse voltage between workpiece 22 and tapping electrode 30, so that workpiece 22 is carried out Electrolyzed Processing, the high-pressure pump circulatory system is used to make circulation fluid not stop to circulate to take away the galvanic corrosion particulate that Electrolyzed Processing produces.
Two working electrodes 40,41 are used to drive the discharge work of spark machine, and this two working electrode 40 is connected with XY worktable 2 with Z workbench 14 respectively with electrode 41.
Electric control cabinet 9 is connected with XY axle servo-drive assembly with Y-axis servo-drive assembly, is used to control the operation acts of Y-axis servo-drive assembly and XY axle servo-drive assembly.
Guidance panel is connected with electric control cabinet 9, can control the action of above-mentioned axle servo-drive assembly and XY axle servo-drive assembly by this guidance panel, in this city example, be provided with start button 6 and scram button 5 cashier's office in a shop in electrical equipment control, be respectively applied for this electrical spark tapper that controls start and stop.
The tapping electrode 30 of this electrical spark tapper is a bolt shape, has specific feed motion between this bolt shape tapping electrode 30 and the hard metal workpiece 22, and in the present embodiment, the material of this bolt tapping electrode 30 is a red metal.
Tapping electrode 30 has a plurality of specifications, the bolt specification of this every kind tapping electrode 30 is with identical with the specification of the target bolt that is matched by tapping, this tapping machine can have the perforation function simultaneously, tapping electrode 30 is replaced by perforated electrodes promptly can be used for perforation, the perforation tapping is set on this electrical spark tapper usually selects knob 7, be used for conversion perforation and tapping function, two are used to drive the working electrode 40,41 of spark machine discharge work, be connected with XY worktable 2 with Z workbench 14 respectively, have the high voltage pulse discharge between two electrodes 40,41.
As shown in Figure 4, these tapping electrode 30 centers have the working solution hole 23 of hollow, working solution is constantly gushed out in this working solution hole 23, electrolysis thawing under the effect of pulse voltage between the screw tip 90 of tapping electrode 30 and the screwed hole 16, the metal particle that is produced is washed away screwed hole 16, finishes the electric spark tapping process of this screwed hole.
Claims (5)
1, a kind of electrical spark tapper, be used for hard metal workpiece is carried out tapping processing, comprise lathe bed, electric control cabinet, guidance panel, the Z workbench, XY worktable, two working electrodes, the tapping electrode, XY worktable has XY axle servo-drive assembly, the Z workbench has Z axle servo-drive assembly, XY worktable is also fixedlyed connected with lathe bed respectively with Z workbench mutually insulated, two working electrodes are connected with XY worktable with the Z workbench respectively, electric control cabinet is connected with XY axle servo-drive assembly with Y-axis servo-drive assembly, guidance panel is connected with electric control cabinet, hard metal workpiece is fixed and is conducted electricity with XY worktable and is connected, it is characterized in that, the tapping electrode of this electrical spark tapper is a bolt shape, has specific feed motion between this bolt shape tapping electrode and the hard metal workpiece.
2, electrical spark tapper as claimed in claim 1 is characterized in that, this tapping electrode has a plurality of specifications, and the bolt specification of this every kind tapping electrode is identical with the specification of the target bolt that is matched by tapping with workpiece.
3, electrical spark tapper as claimed in claim 1, it is characterized in that, specific feed motion between this tapping electrode and the hard metal workpiece, comprise and moving towards the Z of workpiece axle feed motion and the swivel feeding in the XY plane along the Z axle simultaneously that this Z axle feed motion and swivel feeding motion are carried out simultaneously.
4, electrical spark tapper as claimed in claim 2 is characterized in that, the feed motion that the motion of tapping electrode Z axle feeding and swivel feeding is synthesized, and target bolt and workpiece are identical by the screw-in routing motion between the tapping.
5, electrical spark tapper as claimed in claim 1 is characterized in that, the material of this tapping electrode is a red metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100665565A CN101554670A (en) | 2008-04-08 | 2008-04-08 | Electric spark tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100665565A CN101554670A (en) | 2008-04-08 | 2008-04-08 | Electric spark tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101554670A true CN101554670A (en) | 2009-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100665565A Pending CN101554670A (en) | 2008-04-08 | 2008-04-08 | Electric spark tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101554670A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416248A (en) * | 2013-09-09 | 2015-03-18 | 苏州星诺奇传动科技有限公司 | Internal thread processing device and processing method |
| CN109551066A (en) * | 2018-11-20 | 2019-04-02 | 广东轻工职业技术学院 | A kind of spatially spiral hole electric spark processing unit (plant) |
| CN114393261A (en) * | 2022-02-24 | 2022-04-26 | 宁波工程学院 | Portable electric spark machine |
| CN115673442A (en) * | 2022-11-14 | 2023-02-03 | 苏州亚马森机床有限公司 | Electric spark perforation tapping machine head and electric spark perforation tapping machine comprising same |
-
2008
- 2008-04-08 CN CNA2008100665565A patent/CN101554670A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416248A (en) * | 2013-09-09 | 2015-03-18 | 苏州星诺奇传动科技有限公司 | Internal thread processing device and processing method |
| CN104416248B (en) * | 2013-09-09 | 2017-02-08 | 苏州星诺奇科技股份有限公司 | internal thread processing device and processing method |
| CN109551066A (en) * | 2018-11-20 | 2019-04-02 | 广东轻工职业技术学院 | A kind of spatially spiral hole electric spark processing unit (plant) |
| CN109551066B (en) * | 2018-11-20 | 2020-09-11 | 广东轻工职业技术学院 | Space spiral hole spark-erosion machining device |
| CN114393261A (en) * | 2022-02-24 | 2022-04-26 | 宁波工程学院 | Portable electric spark machine |
| CN115673442A (en) * | 2022-11-14 | 2023-02-03 | 苏州亚马森机床有限公司 | Electric spark perforation tapping machine head and electric spark perforation tapping machine comprising same |
| CN115673442B (en) * | 2022-11-14 | 2023-08-22 | 苏州亚马森机床有限公司 | Electric spark perforation tapping machine head and electric spark perforation tapping machine comprising same |
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Addressee: Wang Xiaofeng Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091014 |