CN105364232A - Electric spark deep blind hole processing device - Google Patents
Electric spark deep blind hole processing device Download PDFInfo
- Publication number
- CN105364232A CN105364232A CN201510844671.0A CN201510844671A CN105364232A CN 105364232 A CN105364232 A CN 105364232A CN 201510844671 A CN201510844671 A CN 201510844671A CN 105364232 A CN105364232 A CN 105364232A
- Authority
- CN
- China
- Prior art keywords
- blind hole
- spring
- electrode
- screw nut
- deep blind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
Abstract
The invention discloses an electric spark deep blind hole processing device. The electric spark deep blind hole processing device comprises an electrode, a telescopic pole and a guide rod with a guide slot, and further comprises a lead screw nut pair and an electric steering device which are based on servo control, wherein a spring is arranged in the guide slot; the electrode is connected to the front end of the spring; the lead screw nut pair is positioned in the guide slot, and is positioned at the lower end of the telescopic pole and at the upper end of the spring; and the upper end of the electric steering device is connected with a hydraulic telescopic device based on servo control. According to the electric spark deep blind hole processing device, physical energy such as electric energy, heat energy and the like is directly applied to a processed workpiece by virtue of the electrode so as to replace a current common tool to cut a workpiece material, so that in a processing process, obvious mechanical force is not required to apply; moreover, the device can increase length of an extension bar more conveniently according to length of a hole, so that deep hole processing and material removal are realized, a required shape dimension and surface quality requirements are achieved, processing difficulty is simplified and a finished product qualified rate is increased.
Description
Technical field
The present invention relates to EDM Technology field, particularly relate to a kind of electro discharge machining device for deep blind hole.
Background technology
At present, in oil and natural gas industry, petroleum exploration & development field, the requirement of people to drilling well is that speed goes is fast, the degree of depth is more and more darker, quality is more and more higher, oil yield is more and more higher, this is just to used drilling well, completion equipment, the various production equipment in down-hole and ground proposes higher, tighter requirement, it is mainly reflected in two aspects: one is that part needs to have good high-temperature oxidation resistant and charing performance, there is good corrosion resistance, the common feature that this kind of material has is exactly high strength, high viscosity, high tenacity, high-wearing feature, its difficulty of processing is very large, particular/special requirement is had to the material of cutter when machining, and wearing and tearing are comparatively large also very fast, the cost performance of machining seems lower comparatively speaking, two is that design of part becomes increasingly complex, and its length is more and more longer.The version of the deep hole of its large aspect ratio, blind hole, stepped hole gets more and more, and make mechanical processing difficulty increasing, or even cannot process, product qualified rate is more and more lower, even scraps.
Summary of the invention
The present invention is exactly for the problems referred to above, proposes a kind of electro discharge machining device for deep blind hole, this processing unit (plant) can greatly reduce difficult-to-machine material in aperture larger and there is profiled holes time difficulty of processing, to improve its product qualified rate.
For reaching above-mentioned technical purpose, present invention employs a kind of electro discharge machining device for deep blind hole, comprise an electrode, one based on servo-controlled expansion link, and one inside be provided with the guide post of gathering sill, described guide post outer end is provided with the straight trough for chip removal, a spring is provided with in described gathering sill, the removable front end being connected to spring of described electrode, also comprise one based on servo-controlled feed screw nut pair and based on servo-controlled electrically powered steering apparatus using same, described feed screw nut pair is positioned at the gathering sill of guide post, and be positioned at the lower end of expansion link and the upper end of spring, and make the upper end of feed screw nut pair and the lower end of expansion link form removable connection, the lower end of feed screw nut pair and the upper end of spring form removable connection, the upper end of described electrically powered steering apparatus using same and described expansion link forms removable connection, described electrically powered steering apparatus using same upper end is connected with based on servo-controlled hydraulic telescopic device.
Preferably, described electrode material therefor is the alloy material be combined in silver, platinum, palladium, iridium or above-mentioned material.
Preferably, the described steering range based on servo-controlled electrically powered steering apparatus using same is 90-270 °.
Preferably, between described electrically powered steering apparatus using same and hydraulic telescopic device be screw-type connection.
The physical energy such as electric energy, heat energy is applied directly on workpiece to be machined by electrode by the present invention, replace existing use universal cutter and carry out cutting workpiece material, do not need to apply obvious mechanical force in process, and this device can according to the degree of depth in hole, increase the length of extension bar more easily, thus realize deep hole machining, material removes and reaches required geomery and surface quality requirements, simplifies difficulty of processing, improves product qualified rate.
Accompanying drawing explanation
Shown in Fig. 1 is system architecture schematic diagram of the present invention;
Wherein, 1, electrode; 2, expansion link; 3, gathering sill; 4, guide post; 5, straight trough; 6, spring; 7, feed screw nut pair; 8, electrically powered steering apparatus using same; 9, hydraulic telescopic device.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
As shown in Figure 1, a kind of electro discharge machining device for deep blind hole, comprise an electrode 1, based on servo-controlled expansion link 2, and an inside is provided with the guide post 4 of gathering sill 3, the outer end of guide post 4 is provided with the straight trough 5 for chip removal, is provided with a spring 6 in gathering sill 3.
The removable front end being connected to spring 6 of electrode 1 in the present invention, removable connection mentioned here contains multiple connected mode, as being threaded, clamping etc.
The present invention also comprises one based on servo-controlled feed screw nut pair 7 and based on servo-controlled electrically powered steering apparatus using same 8, feed screw nut pair 7 is positioned at the gathering sill 3 of guide post 4, and be positioned at the lower end of expansion link 2 and the upper end of spring 6, and make the lower end of the upper end of feed screw nut pair 7 and expansion link 2 form removable connection, the lower end of feed screw nut pair 7 and the upper end of spring 6 form removable connection; The upper end of electrically powered steering apparatus using same 8 and expansion link 2 forms removable connection; Also be connected with based on servo-controlled hydraulic telescopic device 9 in the upper end of electrically powered steering apparatus using same 8.
Device of the present invention specifically uses like this: the rotation first passing through the flexible of hydraulic telescopic device 9 and electrically powered steering apparatus using same 8, make to form location between electrode 1 and workpiece, in the process of processing deep blind-hole, along with the blind hole that deepens continuously of electrode 1, and chip is from the process that the outer end straight trough 5 of guide post 4 is discharged, expansion link 2 can extend slowly according to the size of processing, and drive feed screw nut pair 7 to move axially along gathering sill 3, and then spring 6 and electrode 1 is driven constantly to add deep holes.
In the present invention, the effect of dynamic feed screw nut pair 7 to improve the precision that electrode 1 makes axial feed, thus further increase the precision of dark blind hole processing.
In the present invention, electrode 1 material therefor mentioned is the alloy material be combined in silver, platinum, palladium, iridium or above-mentioned material, and preferred material is platinum, palldium alloy.
In the present invention, the steering range preferably based on servo-controlled electrically powered steering apparatus using same 8 is 90-270 °, and this slewing area can meet deep hole, the blind hole processing request of different workpieces diverse location.
In the present invention, for screw-type connects between preferred electrically powered steering apparatus using same 8 and hydraulic telescopic device 9, employing is threaded, and improves the intensity of connection first, is second also convenient to the dismounting between electrically powered steering apparatus using same 8 and hydraulic telescopic device 9.
Generally speaking, the physical energy such as electric energy, heat energy is applied directly on workpiece to be machined by electrode by the present invention, replace existing use universal cutter and carry out cutting workpiece material, do not need to apply obvious mechanical force in process, and this device according to the degree of depth in hole, can increase the length of extension bar more easily, thus realize deep hole machining, material removes and reaches required geomery and surface quality requirements, simplify difficulty of processing, improve product qualified rate.
Claims (4)
1. an electro discharge machining device for deep blind hole, comprise an electrode, one based on servo-controlled expansion link, and one inside be provided with the guide post of gathering sill, described guide post outer end is provided with the straight trough for chip removal, a spring is provided with in described gathering sill, the removable front end being connected to spring of described electrode, it is characterized in that, also comprise one based on servo-controlled feed screw nut pair and based on servo-controlled electrically powered steering apparatus using same, described feed screw nut pair is positioned at the gathering sill of guide post, and be positioned at the lower end of expansion link and the upper end of spring, and make the upper end of feed screw nut pair and the lower end of expansion link form removable connection, the lower end of feed screw nut pair and the upper end of spring form removable connection, the upper end of described electrically powered steering apparatus using same and described expansion link forms removable connection, described electrically powered steering apparatus using same upper end is connected with based on servo-controlled hydraulic telescopic device.
2. a kind of electro discharge machining device for deep blind hole as claimed in claim 1, is characterized in that, described electrode material therefor is the alloy material be combined in silver, platinum, palladium, iridium or above-mentioned material.
3. a kind of electro discharge machining device for deep blind hole as claimed in claim 1, is characterized in that, the described steering range based on servo-controlled electrically powered steering apparatus using same is 90-270 °.
4. a kind of electro discharge machining device for deep blind hole as claimed in claim 1, is characterized in that, for screw-type connects between described electrically powered steering apparatus using same and hydraulic telescopic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844671.0A CN105364232A (en) | 2015-11-26 | 2015-11-26 | Electric spark deep blind hole processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844671.0A CN105364232A (en) | 2015-11-26 | 2015-11-26 | Electric spark deep blind hole processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105364232A true CN105364232A (en) | 2016-03-02 |
Family
ID=55367129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510844671.0A Pending CN105364232A (en) | 2015-11-26 | 2015-11-26 | Electric spark deep blind hole processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105364232A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541193A (en) * | 2016-11-27 | 2017-03-29 | 国营第六六厂 | Accurate abnormity high-pressure oil duct processing method |
| CN113305380A (en) * | 2021-05-26 | 2021-08-27 | 中国航空制造技术研究院 | Horizontal electrolytic machining device for ultra-long deep hole |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605638A (en) * | 1993-06-16 | 1997-02-25 | Sodick Co., Ltd. | Electric discharge machining (EDM) apparatus |
| US5911888A (en) * | 1993-09-10 | 1999-06-15 | Charmilles Technologies S.A. | Structure for EDM machine |
| CN2838831Y (en) * | 2005-11-10 | 2006-11-22 | 洛阳轴承集团有限公司 | Electrode guider for processing high-precision hexagonal blind holes |
| CN202344071U (en) * | 2011-11-14 | 2012-07-25 | 中国工程物理研究院激光聚变研究中心 | Notch electrode for micro-electrical discharge machining (micro-EDM) blind hole |
| CN102773573A (en) * | 2011-05-13 | 2012-11-14 | 北京市电加工研究所 | Electric spark deep blind hole machining device |
| CN103894693A (en) * | 2014-04-10 | 2014-07-02 | 西安航空动力股份有限公司 | Electrode sliding guiding device for electric spark machining tool for small holes |
-
2015
- 2015-11-26 CN CN201510844671.0A patent/CN105364232A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605638A (en) * | 1993-06-16 | 1997-02-25 | Sodick Co., Ltd. | Electric discharge machining (EDM) apparatus |
| US5911888A (en) * | 1993-09-10 | 1999-06-15 | Charmilles Technologies S.A. | Structure for EDM machine |
| CN2838831Y (en) * | 2005-11-10 | 2006-11-22 | 洛阳轴承集团有限公司 | Electrode guider for processing high-precision hexagonal blind holes |
| CN102773573A (en) * | 2011-05-13 | 2012-11-14 | 北京市电加工研究所 | Electric spark deep blind hole machining device |
| CN202344071U (en) * | 2011-11-14 | 2012-07-25 | 中国工程物理研究院激光聚变研究中心 | Notch electrode for micro-electrical discharge machining (micro-EDM) blind hole |
| CN103894693A (en) * | 2014-04-10 | 2014-07-02 | 西安航空动力股份有限公司 | Electrode sliding guiding device for electric spark machining tool for small holes |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541193A (en) * | 2016-11-27 | 2017-03-29 | 国营第六六厂 | Accurate abnormity high-pressure oil duct processing method |
| CN106541193B (en) * | 2016-11-27 | 2018-07-24 | 国营第六一六厂 | Accurate abnormity high-pressure oil duct processing method |
| CN113305380A (en) * | 2021-05-26 | 2021-08-27 | 中国航空制造技术研究院 | Horizontal electrolytic machining device for ultra-long deep hole |
| CN113305380B (en) * | 2021-05-26 | 2022-03-04 | 中国航空制造技术研究院 | Horizontal electrolytic machining device for ultra-long deep hole |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180622 |
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| AD01 | Patent right deemed abandoned |