CN105834534A - Cathode used for screw drilling tool metal stator electrolytic machining - Google Patents
Cathode used for screw drilling tool metal stator electrolytic machining Download PDFInfo
- Publication number
- CN105834534A CN105834534A CN201610295347.2A CN201610295347A CN105834534A CN 105834534 A CN105834534 A CN 105834534A CN 201610295347 A CN201610295347 A CN 201610295347A CN 105834534 A CN105834534 A CN 105834534A
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- China
- Prior art keywords
- cathode
- metal stator
- hydraulic motor
- taps
- helix
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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
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to a cathode used for screw drilling tool metal stator electrolytic machining. One end of a cathode head long rod is provided with a cathode body. The outer side of the cathode body is sleeved with a sleeve. The middle of the cathode head long rod is provided with sealing grooves. Sealing rings are fixed in the sealing grooves. The other end of the cathode head long rod is connected with a cathode head which is a short cone. The external circumference of the cathode head is provided with spiral lines. Liquid adding grooves are formed in the cathode head. Discharge holes are uniformly distributed in the liquid adding grooves. A centralizer is installed on the outer side of the cathode head. The cathode used for screw drilling tool metal stator electrolytic machining has the advantages of being simple in structure, safe, reliable, high in production efficiency and machining precision, low in manufacturing cost and capable of greatly improving the production efficiency and the product quality.
Description
Technical field
The present invention relates to petroleum drilling technology field, particularly to a kind of helicoid hydraulic motor metal stator cathode for electrochemical machining.
Background technology
At present screw drilling tool stator processing method, and wait wall thickness processing to have problems, before illustrated.The subject matter that single screw motor and screw pump exist: volumetric efficiency is poor, service life is short.Being embodied in output moment of torsion low, job insecurity, the shortcomings such as the life-span is low, the further genralrlization seriously constraining the raising and oil-extracting screw pump of creeping into mechanical separator speed uses.Use same wall-thickness stator or bimetallic motor can overcome and ameliorate many defects of conventional screw motor.And the technological difficulties that same wall-thickness stator processing highlights are the processing of the spiral cycloid that stator metal shell inner chamber abnormity has certain length to require.Conventional mechanic's means and equipment are difficulty with, and machining accuracy does not reaches design requirement.Such as the method using mechanical broaching, repeatedly tool changing will be used to broach, cutter expends surprising, and man-hour is long, and cost is high, and the finished product accuracy processed is the highest, and surface quality is poor.
Summary of the invention
For solving the deficiencies in the prior art, the present invention provides a kind of helicoid hydraulic motor metal stator cathode for electrochemical machining.
The technical scheme is that a kind of helicoid hydraulic motor metal stator cathode for electrochemical machining, including: cathode taps, cathode taps stock, cathode, sleeve, sealing ring, body resistance-strengthening tablets, one end of cathode taps stock is provided with cathode, is cased with sleeve outside cathode；The middle part of cathode taps stock is provided with seal groove, and sealing ring is fixed in seal groove；The other end of cathode taps stock connects cathode taps, and cathode taps is short cone, and cathode taps excircle is provided with helix, and cathode taps has increasing liquid bath, increases uniform tap hole in liquid bath, equipped with centralizer outside cathode taps.
Described sleeve is that sleeve is inlayed in insulation.
Described helix is the variable cross-section shape of milling on short cone, and every helix section tapers into cathode taps end from cathode end.
Body resistance-strengthening tablets is two pieces, and big footpath body resistance-strengthening tablets is installed and inner side, and path body resistance-strengthening tablets is installed on outside, and big footpath body resistance-strengthening tablets is fixed on outside cathode taps by path body resistance-strengthening tablets plug.
Cathode section line style uses the line style that circular arc combines with cycloid.
Described sealing ring is Double seal ring.
The tapering of short cone is: 1:6, and diameter with length ratio is: the ratio of 2 times of eccentric throws and pitch.
Uniform 8 holes of helix end point；Every helix is provided with 5 from path body resistance-strengthening tablets to cathode direction and increases liquid bath, has increasing fluid apertures 200 in all increasing liquid baths.
Described helix is equidistant helix.
Every helix is provided with 5 from path body resistance-strengthening tablets to cathode direction and increases liquid bath, and whole negative electrode is total increases liquid bath 40.
The invention has the beneficial effects as follows: simple in construction, safe and reliable, production efficiency is high, and machining accuracy is high, greatly improves production efficiency and product quality, and processing cost is the highest.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is negative electrode die head schematic diagram of the present invention.
Wherein: 1 be cathode, 2 be sleeve, 3 be big footpath body resistance-strengthening tablets, 4 be path body resistance-strengthening tablets, 5 be sealing ring, 6 for increase liquid bath, 7 be tap hole, 8 be cathode taps stock, 9 be helix, 10 be cathode taps, 11 for seal groove.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining, including: cathode taps 10, cathode taps stock 8, cathode 1, sleeve 2, sealing ring 5, body resistance-strengthening tablets, one end of cathode taps stock 8 is provided with cathode 1, is cased with sleeve 2 outside cathode 1；The middle part of cathode taps stock 8 is provided with seal groove 11, and sealing ring 5 is fixed in seal groove 11；The other end of cathode taps stock 8 connects cathode taps 10, and cathode taps 10 is short cone, and cathode taps 10 excircle is provided with helix 9, cathode taps 10 has increasing liquid bath 6, increases uniform tap hole 7 in liquid bath 6, equipped with centralizer outside cathode taps 10.
Described sleeve 2 inlays sleeve for insulation.
The described variable cross-section shape that helix 9 is milling on short cone, every helix 9 section tapers into cathode taps 10 end from cathode 1 end.
Body resistance-strengthening tablets is two pieces, and big footpath body resistance-strengthening tablets 3 is installed and inner side, and path body resistance-strengthening tablets 4 is installed on outside, and big footpath body resistance-strengthening tablets 3 is fixed on outside cathode taps 10 by path body resistance-strengthening tablets 4 plug.
Cathode 1 section line style uses the line style that circular arc combines with cycloid.
Described sealing ring 5 is Double seal ring.
The tapering of short cone is: 1:6, and diameter with length ratio is: the ratio of 2 times of eccentric throws and pitch.
Uniform 8 holes of helix 9 end point；Every helix 9 is provided with 5 and increases liquid bath 6 from path body resistance-strengthening tablets 4 to cathode 1 direction, has increasing fluid apertures 200 in all increasing liquid baths 6.
Described helix 9 is equidistant helix.
Every helix 9 is provided with 5 and increases liquid bath 6 from path body resistance-strengthening tablets 4 to cathode 1 direction, and whole negative electrode is total increases liquid bath 40.
Claims (10)
1. a helicoid hydraulic motor metal stator cathode for electrochemical machining, including: cathode taps, cathode taps stock, cathode, sleeve, sealing ring, body resistance-strengthening tablets, it is characterised in that: one end of cathode taps stock is provided with cathode, is cased with sleeve outside cathode；The middle part of cathode taps stock is provided with seal groove, and sealing ring is fixed in seal groove；The other end of cathode taps stock connects cathode taps, and cathode taps is short cone, and cathode taps excircle is provided with helix, and cathode taps has increasing liquid bath, increases uniform tap hole in liquid bath, equipped with centralizer outside cathode taps.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: described sleeve is that sleeve is inlayed in insulation.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: described helix is the variable cross-section shape of milling on short cone, and every helix section tapers into cathode taps end from cathode end.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterized in that: body resistance-strengthening tablets is two pieces, big footpath body resistance-strengthening tablets is installed and inner side, and path body resistance-strengthening tablets is installed on outside, and big footpath body resistance-strengthening tablets is fixed on outside cathode taps by path body resistance-strengthening tablets plug.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: cathode section line style uses the line style that circular arc combines with cycloid.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: described sealing ring is Double seal ring.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: the tapering of short cone is: 1:6, and diameter with length ratio is: the ratio of 2 times of eccentric throws and pitch.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: uniform 8 holes of helix end point；Every helix is provided with 5 from path body resistance-strengthening tablets to cathode direction and increases liquid bath, has increasing fluid apertures 200 in all increasing liquid baths.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: described helix is equidistant helix.
A kind of helicoid hydraulic motor metal stator cathode for electrochemical machining the most according to claim 1, it is characterised in that: every helix is provided with 5 from path body resistance-strengthening tablets to cathode direction and increases liquid bath, and whole negative electrode is total increases liquid bath 40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295347.2A CN105834534A (en) | 2016-05-06 | 2016-05-06 | Cathode used for screw drilling tool metal stator electrolytic machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295347.2A CN105834534A (en) | 2016-05-06 | 2016-05-06 | Cathode used for screw drilling tool metal stator electrolytic machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105834534A true CN105834534A (en) | 2016-08-10 |
Family
ID=56590970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610295347.2A Pending CN105834534A (en) | 2016-05-06 | 2016-05-06 | Cathode used for screw drilling tool metal stator electrolytic machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105834534A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626998A (en) * | 2017-10-24 | 2018-01-26 | 西安昆仑工业（集团）有限责任公司 | The wall-thickness screw drilling tool stator inside spin Electrolyzed Processing negative electrodes such as 200 millimeters of bores |
| CN108515249A (en) * | 2018-03-29 | 2018-09-11 | 西安工业大学 | Heavy caliber complexity helix deep and long hole Electrolyzed Processing cathode |
| CN108672855A (en) * | 2018-05-18 | 2018-10-19 | 西安工业大学 | Work the replaceable heavy caliber complexity helix Electrolyzed Processing cathode of tooth |
-
2016
- 2016-05-06 CN CN201610295347.2A patent/CN105834534A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626998A (en) * | 2017-10-24 | 2018-01-26 | 西安昆仑工业（集团）有限责任公司 | The wall-thickness screw drilling tool stator inside spin Electrolyzed Processing negative electrodes such as 200 millimeters of bores |
| CN108515249A (en) * | 2018-03-29 | 2018-09-11 | 西安工业大学 | Heavy caliber complexity helix deep and long hole Electrolyzed Processing cathode |
| CN108672855A (en) * | 2018-05-18 | 2018-10-19 | 西安工业大学 | Work the replaceable heavy caliber complexity helix Electrolyzed Processing cathode of tooth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |
|
| WD01 | Invention patent application deemed withdrawn after publication |