CN208051077U - A kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole - Google Patents
A kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole Download PDFInfo
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- CN208051077U CN208051077U CN201820436829.XU CN201820436829U CN208051077U CN 208051077 U CN208051077 U CN 208051077U CN 201820436829 U CN201820436829 U CN 201820436829U CN 208051077 U CN208051077 U CN 208051077U
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Abstract
The utility model belongs to technical field of electrolysis processing, and in particular to a kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole.It is uneven that the utility model will solve flow field of the existing technology, short circuit burn easily occurs, and spend high, it is difficult to realize the problem of stablizing processing.The technical solution adopted is that, including cathode, end-face seal ring, preceding guiding, circumferential sealing circle, plug, guiding and end cap afterwards, the fixed whole cathode with several three faces feeding taper work tooth is made, two rows of staggered liquid pass holes are opened on cathode, substantially increase the intensity of cathode；4 increasing fluid apertures are provided on each cathode tooth, to increase feed flow area；Had to electrolyte better seal effect using copper plug.The utility model can be realized is engineered application to the electrochemical Machining Technology of the profound hole type parts of the heavy calibers complexity helix such as gun tube rifling, abnormal-shaped screw spline, petroleum drilling and mining all-metal screw drilling tool.
Description
Technical field
The utility model belongs to technical field of electrolysis processing, and in particular to a kind of pull-type electrolysis of abnormity inner vortex deep hole plus
Work cathode.
Background technology
Heavy caliber（Bore >=150mm）Complicated helix deep and long hole（Length >=9000mm）, such part is widely used in
In gun tube rifling, abnormal-shaped screw spline, petroleum drilling and mining all-metal screw drilling tool stator and screw pump.It is broached using tradition machinery
Processing method, due to wire casing depth, material hardness is high, often draws a knife that 0.01mm can only be drawn deep, and tens helixes need to be grouped broaching,
Not only processing efficiency is low, and surface quality is poor, and the pipe part after wire pulling method is jagged and easily deforms；Meanwhile cutter
Serious wear, broaching tool are easily lost, and every group of cutter is only capable of 4~5 pipe fittings of processing, and domestic cutter life is low, and import cutter price is high,
Its processing cost is prohibitively expensive.With further increasing for material hardness, the material hardness of new product reaches HRC48-50, helix
Slot is more and more deeper so that traditional mechanical broaching processing can not carry out.
Since nineteen fifties, with the continuous development of numerical control electrochemical Machining Technology.In middle small-caliber deep hole
Inner vortex（The small-bore gun tube rifling as in）Processing in, Electrolyzed Processing has replaced traditional mechanical broaching substantially.However, right
In the profound hole type parts of heavy caliber complexity helix, currently used Electrolyzed Processing cathode includes cathode, cathode appearance
The cathode tooth of several three faces feeding taper is provided on face, cathode front is arranged with preceding guiding, and cathode rear sleeve is equipped with
After guide, the rear portion of cathode is provided with plug, and the plug is made of nonmetallic materials, is provided on the cathode leading portion
Liquid pass hole, current liquid pass hole are single setting.Since existing structure flow Field Design is unreasonable, there is flow field in actual production
The problems such as uneven, short-circuit burn, is made such part not only be spent using numerical control electrochemical machining method high, and is difficult to realize
Stable Electrolyzed Processing.
Invention content
The purpose of this utility model is to provide a kind of pull-type Electrolyzed Processing cathode construction of special-shaped inner vortex deep hole, to solve
Flow field of the existing technology is uneven, short circuit burn easily occurs, and spend high, it is difficult to realize the problem of stablizing processing.
Of the existing technology to overcome the problems, such as, technical solution used by the utility model is：
A kind of abnormity inner vortex deep hole pull-type Electrolyzed Processing cathode, including cathode are provided on cathode external surface
Several three faces feed the cathode tooth of taper, and cathode tooth is fixed overall structure with cathode, before cathode front is arranged with
Guiding, cathode rear sleeve guide after being equipped with, and the rear portion of cathode is provided with plug, and liquid was provided on the cathode leading portion
Endoporus was correspondingly arranged on liquid exit orifice in preceding guiding, was connected with the liquid endoporus of crossing on cathode, the preceding guiding and rear guiding
Material be polytetrafluoroethylene (PTFE), end-face seal ring is provided in the front end face guided before described, on the outer surface of preceding guiding
It is provided with several circumferential sealing circles；It is provided with several on cathode tooth on the cathode back segment and increases fluid apertures.
Further, the liquid endoporus of crossing axially is provided with two circles along cathode with the liquid exit orifice of crossing being connected to, and two circles interlock
Setting；The increasing fluid apertures is axially provided with three circles backward from the center along cathode, and 1 is arranged on each cathode tooth of first lap,
1 is arranged on the second each cathode tooth of circle, and 2 are arranged side by side on each cathode tooth of third circle.
Further, the plug is made of brass material, is screw connection structure between cathode；The end cap is
Insulating materials is connected through a screw thread mounted on cathode tail portion.
Compared with prior art, the utility model has the beneficial effects that：
1, the fixed overall structure of cathode work tooth and cathode, not only has higher machining accuracy, and can
The lightweight for realizing cathode, can shorten the cathode manufacturing cycle, cost-effective；
2, liquid pass hole（It crosses liquid endoporus and crosses liquid exit orifice）It is staggered, substantially increases the intensity of cathode, ensure that the moon
Pole will not deform at work；The increasing fluid apertures opened up, increases feed flow area, and fuller being full of of electrolyte is enable to add
Break gap, while the flow velocity of electrolyte in processing gap is accelerated, the processing non-uniform problem of gap flow field is compensated for, it can be effective
Prevent the generation of short circuit phenomenon；Copper plug has to electrolyte better seal effect, even if the hot conditions of work in-process
Under, remain to good hermetic electrolyte liquid, after additional end cap can fasten guiding can also ensure the exhausted of cathode and not machining area
Edge.
3, cathode provided by the utility model can realize gun tube rifling, abnormal-shaped screw spline, petroleum drilling and mining all-metal screw
The electrochemical Machining Technology engineering application of the profound hole type parts of the heavy calibers complexity helix such as drilling tool.
Description of the drawings
Fig. 1 is a kind of structure sectional view of the pull-type Electrolyzed Processing cathode of special-shaped inner vortex deep hole of the utility model；
Fig. 2 is cross-section diagram at the A-A of Fig. 1；
Fig. 3 is enlarged drawing at the B of Fig. 2；
Fig. 4 is the flank of tooth figure of cathode tooth；
Fig. 5 is the sectional view of the processed typical part of the utility model；
Fig. 6 is the C-C cross-section diagrams of Fig. 5.
In figure, 1. cathodes, 2. end-face seal rings guide before 3., 4. circumferential sealing circles, and 5. cross liquid endoporus, and 6.
Cathode tooth, 7. increase fluid apertures, are guided after 8., 9. plugs, 10. end caps.
Specific implementation mode
The pull-type electrolysis of special-shaped inner vortex deep hole a kind of to the utility model adds with reference to the accompanying drawings and detailed description
Work cathode construction is described in detail.
Referring to Fig. 1~Fig. 4, a kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole, claims to be copied
Content.
Wherein：The cathode 1 is made of H62 brass materials, hollow-core construction, there is screw thread on preceding shaft end, in processing with drawing
Bar connects.
The back segment of cathode 1 described in the present embodiment is circumferentially distributed 48 three faces feeding work teeth, is to fix with cathode
Formula overall structure.6 outer profile of cathode tooth is bar shaped, taper, and 4 increasing fluid apertures 7, arrangement side are provided on each cathode tooth 6
Formula is axially to be arranged in three row of 1-1-2 formulas along it.
The material of guiding 3 and rear guiding 8 is polytetrafluoroethylene (PTFE) before described, is separately mounted to the front and rear end of cathode 1,
It is used in combination epoxy resin to bond, forms fixed overall structure.There are two to be drained through liquid exit orifice in guiding 3 before described, it can be with the moon after assembly
Liquid endoporus 5 of crossing on polar body 1 is connected to.
The end cap 7 is made of polytetrafluoroethylene material, is sleeved on cathode tail portion using thread connecting mode, covers completely
The cathode of guiding 8 after plug 9 and stretching, and guided after fastening.
Work in-process, electrolyte flows into cathode 1 from cathode front end, from liquid pass hole（It crosses liquid exit orifice, cross liquid endoporus 5）With
Increase fluid apertures and exit into processing gap, realize stable Electrolyzed Processing, takes away heat and electrolysate that processing generates, draw after
Processing district is discharged in water conservancy diversion.
Referring to Fig. 5 and Fig. 6, it can be seen that the utility model can process the structure of typical exemplar, and part is deep hole pipe fitting,
Inner wall is embedded with a plurality of wire casing.In terms of end face, every wire casing rectangular cross-section, in terms of axial plane sectional view, every wire casing all carries one
Fixed helical angle.
Claims (3)
1. a kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole, including cathode（1）, it is characterised in that：Cathode（1）
The cathode tooth of several three faces feeding taper is provided on outer surface（6）, cathode tooth（6）It is fixed whole knot with cathode
Structure, cathode（1）Front is arranged with preceding guiding（3）, cathode（1）Rear sleeve guides after being equipped with（8）, cathode（1）Rear portion
It is provided with plug（9）, the cathode（1）Liquid endoporus was provided on leading portion（5）, preceding guiding（3）On be correspondingly arranged on liquid
Liquid endoporus is crossed in exit orifice, with cathode（5）It is connected, is guided before described（3）With rear guiding（8）Material be polytetrafluoroethyl-ne
Alkene guides before described（3）Front end face on be provided with end-face seal ring（2）, preceding guiding（3）Outer surface on be provided with it is several
Circumferential sealing circle（4）；The cathode（1）Cathode tooth on back segment（6）On be provided with several increase fluid apertures（7）.
2. the pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole according to claim 1, it is characterised in that：It is described to cross liquid
Endoporus（5）Two circles are axially provided with along cathode with the liquid exit orifice of crossing being connected to, two circles are staggered；The increasing fluid apertures（7）Along cloudy
Polar body is axially provided with three circles, each cathode tooth of first lap backward from the center（6）Upper arrangement 1, the second each cathode tooth of circle
（6）Upper arrangement 1, each cathode tooth of third circle（6）It is upper to be arranged side by side 2.
3. the pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole according to claim 1 or 2, it is characterised in that：It is described
Plug（9）It is made of brass material, with cathode（1）Between be screw connection structure；End cap（10）It is connected through a screw thread installation
In cathode tail portion, the end cap（10）For insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436829.XU CN208051077U (en) | 2018-03-29 | 2018-03-29 | A kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436829.XU CN208051077U (en) | 2018-03-29 | 2018-03-29 | A kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole |
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| Publication Number | Publication Date |
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| CN208051077U true CN208051077U (en) | 2018-11-06 |
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| CN201820436829.XU Active CN208051077U (en) | 2018-03-29 | 2018-03-29 | A kind of pull-type Electrolyzed Processing cathode of abnormity inner vortex deep hole |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110039136A (en) * | 2019-03-13 | 2019-07-23 | 大连工业大学 | Axial electrolyte homogenizer applied to electrical-chemistry method |
| CN110039139A (en) * | 2019-03-13 | 2019-07-23 | 大连工业大学 | Radial electrolyte homogenizer applied to electrical-chemistry method |
| CN110640245A (en) * | 2019-09-30 | 2020-01-03 | 扬州大学 | Electrolysis-broaching combined machining tool electrode |
-
2018
- 2018-03-29 CN CN201820436829.XU patent/CN208051077U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110039136A (en) * | 2019-03-13 | 2019-07-23 | 大连工业大学 | Axial electrolyte homogenizer applied to electrical-chemistry method |
| CN110039139A (en) * | 2019-03-13 | 2019-07-23 | 大连工业大学 | Radial electrolyte homogenizer applied to electrical-chemistry method |
| CN110640245A (en) * | 2019-09-30 | 2020-01-03 | 扬州大学 | Electrolysis-broaching combined machining tool electrode |
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