CN208178622U - The electric discharge device of inner hole microflute - Google Patents

The electric discharge device of inner hole microflute Download PDF

Info

Publication number
CN208178622U
CN208178622U CN201820164533.7U CN201820164533U CN208178622U CN 208178622 U CN208178622 U CN 208178622U CN 201820164533 U CN201820164533 U CN 201820164533U CN 208178622 U CN208178622 U CN 208178622U
Authority
CN
China
Prior art keywords
microflute
inner hole
electric discharge
mentioned
tool
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.)
Active
Application number
CN201820164533.7U
Other languages
Chinese (zh)
Inventor
伍晓宇
吴稳
鲁艳军
徐斌
赵航
雷建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen University
Original Assignee
Shenzhen University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen University filed Critical Shenzhen University
Priority to CN201820164533.7U priority Critical patent/CN208178622U/en
Application granted granted Critical
Publication of CN208178622U publication Critical patent/CN208178622U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The utility model provides a kind of electric discharge device of inner hole microflute, it include: tool-electrode, the tool-electrode includes main part, and it is set to the discharge end parts in the inner hole for protruding into workpiece in electric discharge of described main part one end, it is along the circumferential direction equipped with multiple second microflutes on the outer wall of the discharge end parts, the micro- tip for being used to be formed discharge channel with the inner wall face contact of the inner hole in electric discharge of protrusion is formed between two neighboring second microflute;And the pulse power, the two poles of the earth of the pulse power are respectively used to be electrically connected with the workpiece, the tool-electrode.The electric discharge device of inner hole microflute provided by the utility model can go out required micro slot array structure in electro-discharge machining of inner hole of workpiece inner wall, effectively improve the wearability of the inner wall of inner hole of workpiece;And since all micro- tips are discharged simultaneously, integrally improved by ablation surface smoothness, machined surface roughness reduces, and effectively increases processing quality.

Description

The electric discharge device of inner hole microflute
Technical field
The utility model belongs to microflute Discharge Processing Technology field, is to be related to a kind of putting for inner hole microflute more specifically Electric machining device.
Background technique
Currently, micromation, precise treatment, complication are the important development directions of current electronic product.In photoelectric communication, mold Manufacture etc. is in many fields, and many key parts usually have that quantity is more, more complicated inner hole.In order to improve in inner hole The wearability of wall surface generally can process annular microflute in the inner wall of inner hole.It, be at this however since the quantity of inner hole is excessive The inner wall of a little inner holes processes annular microflute, and general processing method is difficult to reach processing request.
It is mainly realized in the prior art using traditional diamond-making techniques such as vehicle, boring, brills and processes annular in the inner wall of inner hole Microflute, although the inner wall being also able to achieve using this method in inner hole processes annular microflute, however require that manufacture is complicated high Expensive vehicle clamper and dedicated tool is higher so as to cause production cost, production efficiency is low, large labor intensity, production security are poor The problem of.
Utility model content
The purpose of this utility model is to provide a kind of electric discharge device of inner hole microflute, with solve in the prior art by In annular microflute there are production costs higher, the processing effect of the inner hole of workpiece processed using the traditional diamond-making techniques such as vehicle, boring, brill Rate is low, processing quality is poor and large labor intensity, the technical problem of production security difference.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of electro-discharge machining of inner hole microflute Device, comprising:
Tool-electrode, the tool-electrode include main part, and be set to described main part one end for discharging When protrude into the discharge end parts in the inner hole of workpiece, multiple second microflutes are along the circumferential direction equipped on the outer wall of the discharge end parts, Putting for the inner wall face contact formation in electric discharge with the inner hole for protrusion is formed between two neighboring second microflute Micro- tip of electric channel;
And the pulse power, the two poles of the earth of the pulse power are respectively used to be electrically connected with the workpiece, the tool-electrode It connects.
Further, the cross section outer contour shape of second microflute is V-arrangement, trapezoidal or rectangle.
Further, second microflute includes bottom surface and the two sides that are separately connected with the two sides of the bottom surface, is appointed The angle formed between a side and the bottom surface of anticipating is 30 °~150 °.
Further, the spacing formed between the two sides is 50 microns~500 microns.
Further, the cross sectional shape of the bottom surface is circular arc.
Further, the radius of the circular arc is 5 microns~10 microns.
Further, the depth of second very low power is 50 microns~500 microns.
Further, the discharge end parts are cylindrical or cone.
Further, the distance between two neighboring second microflute is 1 micron~3 microns.
Further, brush is provided on the tool-electrode, the brush connects the cathode of the pulse power.
The beneficial effect of the electric discharge device of inner hole microflute provided by the utility model is: compared with prior art,
(1), by being along the circumferential direction equipped with multiple second microflutes, two neighboring second microflute on the outer wall of discharge end parts Between formed protrusion for electric discharge when formed discharge channel micro- tip, in the inner wall of the inner hole of electrical discharge machining workpiece During, tool-electrode and workpiece form more stable, uniform electric field at multiple micro- tips, within a discharge time Multiple discharge channels can be formed simultaneously, required micro slot array knot can be gone out in electro-discharge machining of inner hole of workpiece inner wall Structure effectively improves the wearability of the inner wall of inner hole of workpiece;And since all micro- tips are discharged simultaneously, by ablation surface smoothness It is whole to improve, the roughness of finished surface is reduced, processing quality and processing efficiency are effectively increased;
(2), the tool-electrode of the utility model is in such a way that skive is ground on discharge end parts outer wall The second microflute is processed, it is high in machining efficiency, and skive is reusable, and it is at low cost, it is a variety of not to be suitable for high-volume The processing of the second microflute on the inner wall of same specification inner hole is solved in the prior art due to being added using the tradition such as vehicle, boring, brill Work method leads to that processing efficiency is low, processing quality is poor, cost is high and large labor intensity, and the technology of production security difference is asked Topic.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in the preparation process for the tool-electrode that the utility model first embodiment provides;
Fig. 2 is the structural schematic diagram of the electric discharge device for the inner hole microflute that the utility model first embodiment provides;
Fig. 3 is the structural schematic diagram in the preparation process for the tool-electrode that the utility model second embodiment provides;
Fig. 4 is the structural schematic diagram of the electric discharge device for the inner hole microflute that the utility model second embodiment provides.
Wherein, each appended drawing reference in figure:
10- tool-electrode;11- main part;12- discharge end parts;The second microflute of 13-;20- skive;30- workpiece; 31- inner hole;40- fixture;The 50- pulse power;60- brush;70- angular adjustment vice.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
Embodiment 1
Also referring to Fig. 1 and Fig. 2, the electro-discharge machining of the inner hole microflute now provided the utility model first embodiment is filled It sets and is illustrated, the electric discharge device of above-mentioned inner hole microflute includes: tool-electrode 10, and above-mentioned tool-electrode 10 includes main part 11, and the discharge end parts 12 being set in the inner hole 31 for protruding into workpiece 30 in electric discharge of 11 one end of aforementioned body portion, Multiple second microflutes 13 are along the circumferential direction equipped on the outer wall of above-mentioned discharge end parts 12, between two neighboring above-mentioned second microflute 13 It is formed with the micro- tip for being used to be formed discharge channel with the inner wall face contact of above-mentioned inner hole 31 in electric discharge of protrusion;And arteries and veins Power supply 50 is rushed, the two poles of the earth of the above-mentioned pulse power 50 are respectively used to be electrically connected with workpiece 30, tool-electrode 10.
Specifically, the anode of the pulse power 50 with workpiece 30 for being electrically connected, above-mentioned pulse in the present embodiment 1 The cathode of power supply 50 is electrically connected with above-mentioned tool-electrode 10.It should be noted that workpiece 30 and tool-electrode 10 and the pulse power 50 connection type is not limited thereto, such as in other preferred embodiments of the utility model, workpiece 30 can connect arteries and veins Rush the anode of power supply 50, tool-electrode 10 can connect the cathode of the pulse power 50.
Wherein, the electric discharge device of the inner hole microflute of the utility model, compared with prior art,
(1), by the outer wall of discharge end parts 12 along the circumferential direction be equipped with multiple second microflutes 13, two neighboring second Micro- tip for the formation discharge channel in electric discharge that protrusion is formed between microflute 13, in the inner hole of electrical discharge machining workpiece 30 During 31 inner wall, tool-electrode 10 and workpiece 30 form more stable, uniform electric field at multiple micro- tips, Multiple discharge channels can be formed simultaneously in discharge time, it can be needed for electro-discharge machining of inner hole of workpiece inner wall goes out Micro slot array structure, effectively improve the wearability of the inner wall of inner hole of workpiece;And since all micro- tips are discharged simultaneously, it is eclipsed Except surface smoothness integrally improves, the roughness of finished surface is reduced, processing quality and processing efficiency are effectively increased.
(2), the tool-electrode 10 of the utility model is ground on 12 outer wall of discharge end parts using skive 20 Mode process the second microflute 13, it is high in machining efficiency, and skive 20 is reusable, it is at low cost, be suitable for big The processing of the second microflute on the inner wall of a variety of different size inner holes in batches solves in the prior art due to using vehicle, boring, brill Waiting traditional diamond-making techniques to cause, processing efficiency is low, processing quality is poor, cost is high and large labor intensity, production security difference Technical problem.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula, the cross section outer contour shape of above-mentioned second microflute 13 are V-arrangement, trapezoidal or rectangle.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula is provided with brush 60 on above-mentioned tool-electrode 10, specifically, in the present embodiment, brush 60 connects the above-mentioned pulse power 50 Cathode, above-mentioned workpiece 30 connects the anode of the above-mentioned pulse power 50.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula, the distance between two neighboring second microflute 13 are 1 micron~3 microns.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula, the two sides that above-mentioned second microflute 13 is separately connected including bottom surface (not shown) and with the two sides of above-mentioned bottom surface are (in figure Do not show), the angle formed between any one above-mentioned side and above-mentioned bottom surface is 30 °~150 °, is formed between above-mentioned two sides Spacing is 50 microns~500 microns.The angle formed between above-mentioned side and above-mentioned bottom surface can for 30 °, 45 °, 60 ° or 150°.Preferably, the spacing formed between above-mentioned two sides can select according to actual needs 50 microns, 100 microns or its He.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula, the depth of above-mentioned second microflute 13 are 50 microns~500 microns.Preferably, the depth of above-mentioned second microflute 13 can basis Actual needs selection 50 microns, 100 microns or other.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula, the cross section outer contour shape of the bottom surface of above-mentioned second microflute 13 are circular arc, and the radius of the circular arc is 5 microns~10 microns.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula, above-mentioned discharge end parts 12 are cylinder, it should be noted that the shape of above-mentioned discharge end parts 12 is not limited thereto, can root According to the true form setting of the inner hole 31 of workpiece, for example, in other preferred embodiments of the utility model, above-mentioned discharge end parts 12 can also be cone or other shapes.
Further, a kind of specific embodiment party as the electric discharge device of inner hole microflute provided by the utility model Formula, above-mentioned tool-electrode 10 are red copper electrode or brass electrode.The diameter of above-mentioned tool-electrode 10 is greater than 1 millimeter.Above-mentioned work Part 30 can be workpiece made of the materials such as mould steel, hard alloy, titanium alloy.
The present embodiment 1 additionally provides a kind of discharge-treating method of inner hole microflute, including step S10, S20, S30:
S10, the shape according to needed for the inner wall of the inner hole 31 of workpieces processing 30, select required tool-electrode 10.
Wherein, as shown in Figures 1 and 2, in the present embodiment 1, the inner hole 31 of above-mentioned workpiece 30 is cylinder, therefore is selected The shape of discharge end parts 12 is that cylindrical tool-electrode 10 carries out electro-discharge machining.
S20, above-mentioned workpiece 30 is separately connected the anode of the pulse power 50, cathode with above-mentioned tool-electrode 10, and will be upper The discharge end parts 12 for stating tool-electrode 10 protrude into the inner hole 31 of above-mentioned workpiece 30, and micro- tip in above-mentioned discharge end parts 12 with The inner wall face contact of the inner hole 31 of above-mentioned workpiece 30.
Specifically, above-mentioned brush 60 connects above-mentioned pulse as shown in Figure 1, being provided with brush 60 on above-mentioned tool-electrode 10 The cathode of power supply 50, above-mentioned workpiece 30 connect the anode of the above-mentioned pulse power 50.It should be noted that workpiece 30 and tool-electrode 10 are not limited thereto with the connection type of the pulse power 50, such as in other preferred embodiments of the utility model, workpiece 30 can connect the anode of the pulse power 50, tool-electrode 10 can connect the cathode of the pulse power 50.
S30, it is processed using spark discharge, so that above-mentioned micro- tip is respectively formed discharge channel and generates spark eroding, and The first microflute (not shown) is formed in the inner wall of above-mentioned inner hole 31.
Wherein, since tool-electrode 10 and workpiece 30 can form more stable, uniform electric field at multiple micro- tips, Multiple discharge channels can be formed simultaneously in discharge time, it can be needed for electro-discharge machining of inner hole of workpiece inner wall goes out Micro slot array structure, effectively improve the wearability of the inner wall of inner hole of workpiece;And since all micro- tips are discharged simultaneously, it is eclipsed Except surface smoothness integrally improves, the roughness of finished surface is reduced, processing quality and processing efficiency are effectively increased.
Further, as shown in Fig. 2, a kind of tool of the discharge-treating method as inner hole microflute provided by the utility model Body embodiment further includes step S11, S12, S13 before above-mentioned steps S10:
S11, tool-electrode 10 being fixed on fixture 40, above-mentioned fixture 40 is fixed on grinding machine (not shown), and on Tool-electrode 10 is stated with revolving speed N2 rotation;Skive 20 is rotated with revolving speed N1, and in the rotation of above-mentioned skive 20 Heart line is parallel with the axis of above-mentioned tool-electrode 10, and above-mentioned skive 20 is with normal direction feeding depth apIn above-mentioned tool-electrode Second microflute 13 is processed in 10 discharge end parts 12.
In above-mentioned steps S11, the cutting face of skive 20 is vertical with the axis of above-mentioned tool-electrode 10.Above-mentioned fixture 40 be preferably three-jaw dismembyator, one end of above-mentioned tool-electrode 10 is clamped by three-jaw dismembyator, and above-mentioned tool-electrode 10 can To realize rotary motion simultaneously.
Preferably, in above-mentioned steps S11, the revolving speed N1 of above-mentioned skive 20 is 2000~3000 revs/min, above-mentioned gold The normal direction feed speed of hard rock grinding wheel 20 is 200~400mm/min.
Preferably, in above-mentioned steps S11, the position that is contacted between above-mentioned skive 20 and above-mentioned discharge end parts 12 It is cooling using water or cutting fluid, the temperature of grinding can be effectively reduced.
S12, when complete above-mentioned second microflute 13 processing after, above-mentioned skive 20 is retracted pre- along normal orientation If distance, above-mentioned grinding machine drives above-mentioned tool-electrode 10 after the axis direction axial feed distance a of above-mentioned tool-electrode 10, after Continuous the step of repeating step S11.
Wherein, in above-mentioned steps S12, above-mentioned pre-determined distance be can be set according to actual needs, above-mentioned axial feed distance a The distance between as two neighboring second microflute 13.Preferably, axis of the above-mentioned tool-electrode 10 along above-mentioned tool-electrode 10 Direction axial direction feeding distance a is 1 micron~3 microns.It should be noted that above-mentioned axial feed distance a is not limited thereto, In other preferred embodiments of the utility model, above-mentioned axial feed distance a also be can be set according to actual needs.Preferably, In the present embodiment, above-mentioned axial feed distance a is to drive above-mentioned tool-electrode 10 along above-mentioned tool-electrode 10 by above-mentioned grinding machine Axis direction movement obtain, it should be noted that above-mentioned axial feed distance a can also be by skive 20 along above-mentioned work The axis direction of tool electrode 10 moves axially to obtain.
S13, the step of step S11 and S12 is repeated, until the processing of the second microflute 13 of number needed for completing.
Further, a kind of specific embodiment party as the discharge-treating method of inner hole microflute provided by the utility model Formula forms above-mentioned micro- tip between two neighboring above-mentioned second microflute 13 of the tool-electrode of above-mentioned steps S13 after processing is completed.
Further, a kind of specific embodiment party as the discharge-treating method of inner hole microflute provided by the utility model Formula, since the cross section outer contour shape of the first microflute on 31 inner wall of inner hole of workpiece 30 is V-arrangement, select tools The cross section outer contour shape of second microflute 13 of electrode 10 is V-arrangement, it should be noted that the cross section of above-mentioned second microflute 13 The shape of outer profile is not limited thereto, for example, in other preferred embodiments of the utility model, above-mentioned second microflute 13 Cross section outer contour shape can also be trapezoidal or rectangle etc..
Further, a kind of specific embodiment party as the discharge-treating method of inner hole microflute provided by the utility model Formula, the two sides that above-mentioned second microflute 13 is separately connected including bottom surface (not shown) and with the two sides of above-mentioned bottom surface are (in figure Do not show), the angle formed between any one above-mentioned side and above-mentioned bottom surface is 30 °~150 °, is formed between above-mentioned two sides Spacing is 50 microns~500 microns.The angle formed between above-mentioned side and above-mentioned bottom surface can for 30 °, 45 °, 60 ° or 150°.Preferably, the spacing formed between above-mentioned two sides can select according to actual needs 50 microns, 100 microns or its He.
Further, a kind of specific embodiment party as the discharge-treating method of inner hole microflute provided by the utility model Formula, the depth of above-mentioned second microflute 13 are 50 microns~500 microns.Preferably, the depth of above-mentioned second microflute 13 can basis Actual needs selection 50 microns, 100 microns or other.
Further, a kind of specific embodiment party as the discharge-treating method of inner hole microflute provided by the utility model Formula, the cross section outer contour shape of the bottom surface of above-mentioned second microflute 13 are circular arc, and the radius of the circular arc is 5 microns~10 microns.
Further, a kind of specific embodiment party as the discharge-treating method of inner hole microflute provided by the utility model Formula, in the present embodiment 1, the inner hole 31 of above-mentioned workpiece 30 is cylindrical, therefore the shape of the discharge end parts 12 of tool-electrode 10 It also is cylinder.Above-mentioned discharge end parts 12 are cylinder, it should be noted that the shape of above-mentioned discharge end parts 12 is not limited to This, can be arranged according to the true form of the inner hole 31 of workpiece, for example, in other preferred embodiments of the utility model, it is above-mentioned Discharge end parts 12 can also be cone or other shapes.
Further, a kind of specific embodiment party as the discharge-treating method of inner hole microflute provided by the utility model Formula, above-mentioned tool-electrode 10 are red copper electrode or brass electrode.The diameter of above-mentioned tool-electrode 10 is greater than 1 millimeter.Above-mentioned work Part 30 can be workpiece made of the materials such as mould steel, hard alloy, titanium alloy.
Wherein, the discharge-treating method of the inner hole microflute of the utility model, compared with prior art,
(1), being used in electric discharge for protrusion is formed between two neighboring second microflute 13 by utilizing tool-electrode 10 Formed discharge channel micro- tip, during the inner wall of the inner hole 31 of electrical discharge machining workpiece 30, tool-electrode 10 with Workpiece 30 forms more stable, uniform electric field at multiple micro- tips, can be formed simultaneously within a discharge time multiple Discharge channel can go out required micro slot array structure in electro-discharge machining of inner hole of workpiece inner wall, effectively improve in workpiece The wearability of the inner wall in hole;And since all micro- tips are discharged simultaneously, integrally improved by ablation surface smoothness, reduces and add The roughness on work surface, effectively increases processing quality and processing efficiency;
(2), the tool-electrode 10 of the utility model is ground on 12 outer wall of discharge end parts using skive 20 Mode process the second microflute 13, it is high in machining efficiency, and skive 20 is reusable, it is at low cost, be suitable for big The processing of the second microflute on the inner wall of a variety of different size inner holes in batches solves in the prior art due to using vehicle, boring, brill Waiting traditional diamond-making techniques to cause, processing efficiency is low, processing quality is poor, cost is high and large labor intensity, production security difference Technical problem.
Embodiment 2
Also referring to Fig. 3 and Fig. 4, the electro-discharge machining of the inner hole microflute now provided the utility model second embodiment is filled It sets and is illustrated.The inner hole microflute of the specific structure and embodiment 1 of the electric discharge device of inner hole microflute in this implementation 2 is put The specific structure of electric machining device is essentially identical, except that:
In the present embodiment 2, the inner hole 31 of above-mentioned workpiece 30 is cone, corresponding, the electric discharge of above-mentioned tool-electrode 10 End 12 is cone.
The discharge-treating method base of the inner hole microflute of the discharge-treating method and embodiment 1 of the inner hole microflute of the present embodiment 2 This is identical, except that:
In step s 11, the present embodiment 2 is that tool-electrode 10 is fixed on fixture 40, and above-mentioned fixture 40 is fixed on angle Degree is adjusted on vice 70, and above-mentioned angular adjustment vice 70 is fixed on grinding machine, so that during machining tool electrode, The axis out of plumb in the cutting face of above-mentioned skive 20 and above-mentioned tool-electrode 10, so that second processed is micro- Slot 13 has certain gradient, and angular adjustment vice 70 can adjusting angle angle value according to actual needs.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. the electric discharge device of inner hole microflute, it is characterised in that: include:
Tool-electrode, the tool-electrode include main part, and be set to described main part one end for electric discharge when stretch Enter the discharge end parts in the inner hole of workpiece, multiple second microflutes are along the circumferential direction equipped on the outer wall of the discharge end parts, it is adjacent The logical for forming electric discharge with the inner wall face contact of the inner hole when discharging of protrusion is formed between two second microflutes Micro- tip in road;
And the pulse power, the two poles of the earth of the pulse power are respectively used to be electrically connected with the workpiece, the tool-electrode.
2. the electric discharge device of inner hole microflute as described in claim 1, it is characterised in that: the cross section of second microflute Outer contour shape is V-arrangement, trapezoidal or rectangle.
3. the electric discharge device of inner hole microflute as described in claim 1, it is characterised in that: second microflute includes bottom surface And the two sides being separately connected with the two sides of the bottom surface, the angle formed between any one side and the bottom surface are 30 °~150 °.
4. the electric discharge device of inner hole microflute as claimed in claim 3, it is characterised in that: formed between the two sides Spacing is 50 microns~500 microns.
5. the electric discharge device of inner hole microflute as claimed in claim 3, it is characterised in that: the cross sectional shape of the bottom surface is Circular arc.
6. the electric discharge device of inner hole microflute as claimed in claim 5, it is characterised in that: the radius of the circular arc is 5 micro- Rice~10 microns.
7. the electric discharge device of inner hole microflute as claimed in any one of claims 1 to 6, it is characterised in that: second microflute Depth be 50 microns~500 microns.
8. the electric discharge device of inner hole microflute as claimed in any one of claims 1 to 6, it is characterised in that: the discharge end parts For cylindrical or cone.
9. the electric discharge device of inner hole microflute as claimed in any one of claims 1 to 6, it is characterised in that: two neighboring second The distance between microflute is 1 micron~3 microns.
10. the electric discharge device of inner hole microflute as claimed in any one of claims 1 to 6, it is characterised in that: the tool electricity Brush is provided on extremely, the brush connects the cathode of the pulse power.
CN201820164533.7U 2018-01-30 2018-01-30 The electric discharge device of inner hole microflute Active CN208178622U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820164533.7U CN208178622U (en) 2018-01-30 2018-01-30 The electric discharge device of inner hole microflute

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820164533.7U CN208178622U (en) 2018-01-30 2018-01-30 The electric discharge device of inner hole microflute

Publications (1)

Publication Number Publication Date
CN208178622U true CN208178622U (en) 2018-12-04

Family

ID=64442813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820164533.7U Active CN208178622U (en) 2018-01-30 2018-01-30 The electric discharge device of inner hole microflute

Country Status (1)

Country Link
CN (1) CN208178622U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108080753A (en) * 2018-01-30 2018-05-29 深圳大学 The electric discharge device and its processing method of endoporus microflute
CN111347303A (en) * 2020-05-13 2020-06-30 绍兴中松智能科技有限公司 Self-tracking reducing machining robot complete machine for polishing and shaping circular holes in valve covers
CN111360850A (en) * 2020-05-13 2020-07-03 绍兴中松智能科技有限公司 Self-tracking reducing machining manipulator for polishing and shaping circular hole in valve cover

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108080753A (en) * 2018-01-30 2018-05-29 深圳大学 The electric discharge device and its processing method of endoporus microflute
CN111347303A (en) * 2020-05-13 2020-06-30 绍兴中松智能科技有限公司 Self-tracking reducing machining robot complete machine for polishing and shaping circular holes in valve covers
CN111360850A (en) * 2020-05-13 2020-07-03 绍兴中松智能科技有限公司 Self-tracking reducing machining manipulator for polishing and shaping circular hole in valve cover

Similar Documents

Publication Publication Date Title
CN208178622U (en) The electric discharge device of inner hole microflute
CN107931759B (en) A kind of internal combustion catholyte milling device
CN108080753A (en) The electric discharge device and its processing method of endoporus microflute
CN105921834A (en) Electrolysis, grinding and milling machining tool cathode and method
CN108406018A (en) Take into account the electrolysis milling machining tool cathode and electrolysis milling method of efficiency and precision
CN201603930U (en) Slant hole spark-machining device
CN111408650B (en) Current-assisted composite spinning forming device and method for deep cup-shaped thin-wall part
CN102407392B (en) Electrical discharge grinding machining method of overlapped-type double-layer inner-outside honeycomb ring
CN110026630B (en) Inner cavity variable tool cathode for electrochemical machining of large-distortion blade blisk
CN112676658A (en) Multi-rotating-speed rotary printing electrolysis system and method for concave-convex array structure on surface of revolving body
CN108213624B (en) A kind of tool and method of electric-spark drilling and reaming Compound Machining elongated hole
CN108480804A (en) Small size inner wall annular groove Electrolyzed Processing cathode and its application method
CN101670519B (en) Tool electrode compositely processed by electric spark end face milling and mechanical grinding
CN105154926B (en) The combined electrical machining method of inside surface Bamboo-shaped micro-structural
CN104475887B (en) The EDM Grinding method of Low rigidity taper seat rod member
CN106513880A (en) Electrode, production method thereof and complex inner groove machining method adopting electrode
CN108213625B (en) A kind of tool and method of electrochemical drilling and reaming Compound Machining elongated hole
CN111168174B (en) Electromagnetic composite tool grinding head, electrolytic grinding machining device and method
CN102151922A (en) Device and method for quickly manufacturing bundled forming electrode profile
CN112677045B (en) Diamond roller, preparation device and preparation method
CN110202224B (en) Cam expansion type rotary tool cathode for electrolytic machining
CN103862392A (en) PCD composite diamond cutter grinding wheel and grinding method thereof
CN207464373U (en) A kind of electric spark deep processing electrode
CN107335815B (en) Concave center structure
CN203792189U (en) Grinding wheel for PCD (polycrystalline diamond) compound tools

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant