CN105921831A - Apparatus for electrochemical machining of mask on cylindrical surface - Google Patents

Apparatus for electrochemical machining of mask on cylindrical surface Download PDF

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Publication number
CN105921831A
CN105921831A CN201610024619.5A CN201610024619A CN105921831A CN 105921831 A CN105921831 A CN 105921831A CN 201610024619 A CN201610024619 A CN 201610024619A CN 105921831 A CN105921831 A CN 105921831A
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China
Prior art keywords
end cover
liquid outlet
face
electrolyzed processing
mask
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CN201610024619.5A
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Chinese (zh)
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CN105921831B (en
Inventor
明平美
周维海
赵晨昊
周红梅
张晓东
陈竞涛
毕向阳
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Henan University of Technology
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Henan University of Technology
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Publication of CN105921831A publication Critical patent/CN105921831A/en
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Publication of CN105921831B publication Critical patent/CN105921831B/en
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    • 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
    • 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
    • B23H3/10—Supply or regeneration of working media

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The invention patent discloses an apparatus for electrochemical machining of a mask on a cylindrical surface. The apparatus includes a liquid matching body, a front seal end cover and a rear seal end cover. The liquid matching body includes an external structure layer, a semicircle arc structure layer, an axially through diversion trench disposed between the outer structure layer and the semicircle arc structure layer. The arc surface of the semicircle arc structure is provided with liquid outlet grooves and bosses distributed in a staggered and uniformly toward an axial direction. The adjacent liquid outlet grooves and the bosses have a central angle of 3-10 degrees. The bosses are provided with liquid inlets at equal distances (d) along the axial direction. The front seal end cover and the rear seal end cover are in detachable sealing coupling with two axial ends of the liquid matching body respectively. A drainage groove communicates with the diversion trench. The apparatus in the invention is conducive to the discharge of an electrolytic product in an inter-electrode porous medium filled type mask electrolytic machining method, can improve the flow field uniformity at an anode surface of a cylindrical workpiece, further improves the quality of the electrochemical machining, is especially suitable for electrochemical machining of cylindrical surfaces, and is simple in structure, easy to operate and low in process cost.

Description

A kind of device for face of cylinder mask Electrolyzed Processing
Technical field
The invention belongs to Electrolyzed Processing field, particularly relate to a kind of device for Cylinder Surface mask Electrolyzed Processing.
Background technology
The micro-pit array being prepared in metal component surface can not only store lubricating oil, improves greasy property, improves workpiece service life, additionally it is possible to increase heat radiation and the mass-transfer efficiency of product.The main machining method of micro-pit array has the processing of spark machined, precision optical machinery, Laser Processing and Electrolyzed Processing etc. multiple at present.Mask Electrolyzed Processing is as a kind of form of Electrolyzed Processing, because of energy batch machining, one of main flow processing method becoming micro-pit array structure.The fixed form of mask is the most bonded at present, but the mask preparation technology of this form is considerably complicated and at a relatively high to the surface quality requirements of anode workpiece.For simplifying the preparation technology of mask, improving the access times of mask, a kind of movable mask being reused is developed, and adds and uses man-hour flexible, porous thing to fix this kind of mask under the effect of external force.But due to the participation of flexible, porous thing, also bringing problems, as Flow Field Distribution is uneven, electrolysate discharges difficulty etc..
For solving problem above, the utility model patent of Patent No. 2015620849219.9 discloses a kind of negative electrode for interpolar porous media filled-type mask Electrolyzed Processing, improve the uniformity in interpolar flow field to a certain extent, promote the eliminating of electrolysate, but this cathode assembly can only be fixed on movable mask on the anode workpiece surface of plane.For arc-shaped work, this cathode assembly is the most applicable.Therefore, for realizing the fixing and laminating on arc surface of the movable mask, invention is a kind of can fix, movable mask, the cathode assembly being fitted on the face of cylinder.
Summary of the invention
The purpose of patent of the present invention there is provided a kind of cathode assembly movable mask can fixed the uniformity being fitted on Cylinder Surface and can improving interpolar flow field, promote electrolysate to get rid of smoothly.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is:
A kind of device for face of cylinder mask Electrolyzed Processing, including dosing body, front end cover and rear end cover；Described dosing body includes outer structural layer, semicircle arcuation structure sheaf, the guiding gutter axially penetrated through that is placed between outer structural layer and semicircle arcuation structure sheaf；The cambered surface of described semicircle arcuation structure sheaf is provided with staggered equally distributed liquid outlet groove and the boss of axially trend, and the central angle between two adjacent liquid outlet grooves and boss is 3 ° ~ 10 °；Described boss is in axial direction equidistantly provided with inlet opening (d)；Described front end cover and rear end cover respectively with the two of dosing body removable sealed attachment of axial end；Described drainage trough connects with guiding gutter.
The degree of depth of described liquid outlet groove is 0.5mm ~ 2mm.
The width of described liquid outlet groove is 0.5mm ~ 2mm.
A diameter of 0.2mm ~ 1mm of described inlet opening.
Described spacing d is 0.5mm ~ 5mm.
The material of described dosing body is the metal material such as aluminum, copper.
Front end cover, front sealing gasket and rear end cover, rear sealing gasket are individually fixed in the axial two ends of dosing body, form Cylinder Surface electrolytic cathode assembly.During work, the semicircle arcuation structure sheaf in movable mask, nonmetal flexible porosity, Cylinder Surface electrolytic cathode assembly is fitted tightly successively in anode workpiece.The inlet of the electrolyte being pumped to end cover in the past and the inlet of rear end cover enter in the drainage trough of above-mentioned two end covers, in the guiding gutter subsequently into dosing body.Owing to the two ends of guiding gutter are closed by front end cover and rear end cover respectively, the electrolyte being closed in guiding gutter have to flow out into nonmetal flexible porosity by the inlet opening from dosing body, then reaches the area to be machined of anode workpiece.Electrolysate and superfluous electrolyte enter the most nearby in liquid outlet groove and finally discharge processing district.So, electrolyte is flowed into the discharge of machining area and electrolysate and can be smoothed out.In addition, owing to the semicircle arcuation structure sheaf shape in Cylinder Surface electrolytic cathode assembly is similar to workpiece Anode machining profile, and nonmetal flexible porosity has certain elasticity, as coordinated appropriately between semicircle arcuation structure sheaf diameter, nonmetal flexible porosity thickness, activity mask thicknesses and cylinder anode workpiece diameter, movable mask can well be fitted on the surface of the workpiece.
Compared with prior art, the invention have the advantage that can closely fit movable mask easily is fixed on cylindrical anode workpiece, and the equally distributed flow field of acquisition, area to be machined and electrolysate can be made to get rid of swimmingly.
Accompanying drawing explanation
Fig. 1 is electrolytic machining device schematic three dimensional views.
Fig. 2 is the structural representation of dosing body.
Fig. 3 is the schematic diagram of end cover.
Fig. 4 is movable mask Electrolyzed Processing electrolyte liquid stream direction schematic diagram.
Label title in figure: 1, anode workpiece；2-1, sealing bolt；3, rear end cover；2-2, sealing bolt；Sealing gasket after 4；2-3, sealing bolt；2-4, sealing bolt；5, inlet；6, inlet；7, front end cover；8, front sealing gasket；9, dosing body；10, nonmetal flexible porosity；11, movable mask；9-1-1, screwed hole；9-2, outer structural layer；9-1-2, fastening screwed hole；9-1-3, fastening screwed hole；9-3, semicircle arcuation structure sheaf；9-3-1, inlet opening；9-3-2, boss；9-3-3, liquid outlet groove；9-4, guiding gutter；7-1-1, through hole；7-2, drainage trough；7-1-2, through hole；7-1-3, through hole.
Detailed description of the invention
The enforcement of 1 to 4 pair of patent of the present invention is further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of device for face of cylinder mask Electrolyzed Processing, including dosing body 9, front end cover 7 and rear end cover 3.Their material is aluminium alloy.Dosing body 9 includes outer structural layer 9-2, semicircle arcuation structure sheaf 9-3, the guiding gutter 9-4 axially penetrated through that is placed between outer structural layer 9-2 and semicircle arcuation structure sheaf 9-3.Groove depth 1mm of guiding gutter 9-4, groove width 0.65mm.The cambered surface of semicircle arcuation structure sheaf 9-3 is provided with the staggered equally distributed liquid outlet groove 9-3-3 and boss 9-3-2 of axially trend.The arc radius of the cambered surface of semicircle arcuation structure sheaf 9-3 is 20mm.Central angle between two adjacent liquid outlet groove 9-3-3 and boss 9-3-2 is 4 °.Boss 9-3-2 is in axial direction equidistantly provided with inlet opening 9-3-1 (d).On same boss 9-3-2 adjacent inlet opening 9-3-1f centre-to-centre spacing d be 1.5mm, a diameter of 0.5mm.Front end cover 7 is provided with inlet 6, rear end cover 3 is provided with inlet 5.Front end cover 7 and rear end cover 3 respectively with the two of dosing body 9 removable sealed attachment of axial end.Drainage trough 7-2 connects with guiding gutter 9-4.
Anode workpiece 1 is the 304 rustless steel cylinders of a diameter of 18mm.
Nonmetal flexible porosity 10 is the polypropylene filter film of thickness 1 mm.
Movable mask 11 is the polrvinyl chloride flexible flake of thickness 0.3mm.
As shown in Figure 1, when using this device to carry out Electrolyzed Processing on cylindrical anode workpiece, the electrolyte the past inlet 6 of end cover 7 being pumped to and the inlet 5 of rear end cover 3 enter in the drainage trough 7-2 of above-mentioned two end covers, subsequently in the guiding gutter 9-4 of dosing body 9.According to electrolyte flow direction as shown in Figure 4, electrolyte disperses to be flowed in each inlet opening 9-3-1 and then be flowed in nonmetal flexible porosity 10 from guiding gutter 9-4, a part of electrolyte is expelled directly out via the liquid outlet groove 9-3-3 of boss 9-3-2 both sides and the side of nonmetal flexible porosity 10, another part arrives anode workpiece 1 surface via the mask micropore on movable mask 11, performs etching anode workpiece 1 under electrochemical action.Owing to the inlet 9-3-1 on adjacent two boss 9-3-2 is in staggered distribution, therefore the distribution of the electrolyte on anode workpiece 1 surface is more uniform.Electrolysate then enters in nonmetal flexible porosity 10 from the micro-hole of the etching of anode workpiece 1, and then the side and each liquid outlet groove 9-3-3 by nonmetal flexible porosity 10 is discharged.

Claims (6)

1. for a device for face of cylinder mask Electrolyzed Processing, including dosing body, front end cover and rear end cover；Described dosing body includes outer structural layer, semicircle arcuation structure sheaf, the guiding gutter axially penetrated through that is placed between outer structural layer and semicircle arcuation structure sheaf；Described front end cover and rear end cover are equipped with drainage trough and inlet；The cambered surface of described semicircle arcuation structure sheaf is provided with staggered equally distributed liquid outlet groove and the boss of axially trend, and the central angle between two adjacent liquid outlet grooves and boss is 3 ° ~ 10 °；Described boss is in axial direction equidistantly provided with inlet opening (d)；Described front end cover and rear end cover respectively with the two of dosing body removable sealed attachment of axial end；Described drainage trough connects with guiding gutter.
A kind of device for face of cylinder mask Electrolyzed Processing the most according to claim 1, is characterized in that: the degree of depth of described liquid outlet groove is 0.5mm ~ 2mm.
A kind of device for face of cylinder mask Electrolyzed Processing the most according to claim 1, is characterized in that: the width of described liquid outlet groove is 0.5mm ~ 2mm.
A kind of device for face of cylinder mask Electrolyzed Processing the most according to claim 1, is characterized in that: a diameter of 0.2mm ~ 1mm of described inlet opening.
A kind of device for face of cylinder mask Electrolyzed Processing the most according to claim 1, is characterized in that: described spacing d is 0.5mm ~ 5mm.
A kind of device for face of cylinder mask Electrolyzed Processing the most according to claim 1, is characterized in that: the material of described dosing body is the metal material such as aluminum, copper.
CN201610024619.5A 2016-01-15 2016-01-15 A kind of device for face of cylinder mask Electrolyzed Processing Expired - Fee Related CN105921831B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312206A (en) * 2016-09-29 2017-01-11 河南理工大学 Electrolytic machining device and method for movable mask
CN107598315A (en) * 2017-09-05 2018-01-19 河南理工大学 A kind of device for face of cylinder mask Electrolyzed Processing
CN108436205A (en) * 2018-03-07 2018-08-24 大连海事大学 A kind of device and method of the micro- texture of Electrolyzed Processing cylinder-barrel surface
CN111283281A (en) * 2020-04-03 2020-06-16 大连理工大学 Device and method for carrying out mask electrolytic machining on end face of narrow ring groove of shaft
CN113878185A (en) * 2021-11-03 2022-01-04 南京农业大学 Internal liquid-spraying rotary cathode mask electrolytic machining method and implementation device
CN114515874A (en) * 2022-03-25 2022-05-20 燕山大学 Movable mask micro-electrochemical machining device and method

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GB1221487A (en) * 1968-06-14 1971-02-03 English Electric Co Ltd Electrochemical machining
US3753890A (en) * 1968-07-17 1973-08-21 Koppern & Co Kg Multiple tool for electrochemical machining or forming
CN103084682A (en) * 2013-01-16 2013-05-08 河南理工大学 Method of liquid beam jet flows electrolyzing and processing dimples
CN104607734A (en) * 2014-12-11 2015-05-13 南京航空航天大学 Auxiliary anode mask micro electrolytic machining array micro-pit system and method
CN204397104U (en) * 2015-02-02 2015-06-17 广东工业大学 Orifice electrode scan-type mask electrolytic machining device
CN104785872A (en) * 2015-04-28 2015-07-22 河南理工大学 Liquid drainage device used for electrochemical machining of interelectrode porous medium filling type mask
CN105127526A (en) * 2015-09-02 2015-12-09 广东工业大学 Disc type scanning electrode mask film microelectrolysis electrical discharge machining system and machining method

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
GB1221487A (en) * 1968-06-14 1971-02-03 English Electric Co Ltd Electrochemical machining
US3753890A (en) * 1968-07-17 1973-08-21 Koppern & Co Kg Multiple tool for electrochemical machining or forming
CN103084682A (en) * 2013-01-16 2013-05-08 河南理工大学 Method of liquid beam jet flows electrolyzing and processing dimples
CN104607734A (en) * 2014-12-11 2015-05-13 南京航空航天大学 Auxiliary anode mask micro electrolytic machining array micro-pit system and method
CN204397104U (en) * 2015-02-02 2015-06-17 广东工业大学 Orifice electrode scan-type mask electrolytic machining device
CN104785872A (en) * 2015-04-28 2015-07-22 河南理工大学 Liquid drainage device used for electrochemical machining of interelectrode porous medium filling type mask
CN105127526A (en) * 2015-09-02 2015-12-09 广东工业大学 Disc type scanning electrode mask film microelectrolysis electrical discharge machining system and machining method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312206A (en) * 2016-09-29 2017-01-11 河南理工大学 Electrolytic machining device and method for movable mask
CN106312206B (en) * 2016-09-29 2018-05-25 河南理工大学 A kind of activity mask electrolytic machining device and method
CN107598315A (en) * 2017-09-05 2018-01-19 河南理工大学 A kind of device for face of cylinder mask Electrolyzed Processing
CN108436205A (en) * 2018-03-07 2018-08-24 大连海事大学 A kind of device and method of the micro- texture of Electrolyzed Processing cylinder-barrel surface
CN108436205B (en) * 2018-03-07 2019-09-17 大连海事大学 A kind of device and method of the micro- texture of Electrolyzed Processing cylinder-barrel surface
CN111283281A (en) * 2020-04-03 2020-06-16 大连理工大学 Device and method for carrying out mask electrolytic machining on end face of narrow ring groove of shaft
CN111283281B (en) * 2020-04-03 2021-05-28 大连理工大学 Device and method for carrying out mask electrolytic machining on end face of narrow ring groove of shaft
CN113878185A (en) * 2021-11-03 2022-01-04 南京农业大学 Internal liquid-spraying rotary cathode mask electrolytic machining method and implementation device
CN113878185B (en) * 2021-11-03 2023-07-04 南京农业大学 Electrolytic machining method and implementation device for inner spray liquid rotary cathode mask
CN114515874A (en) * 2022-03-25 2022-05-20 燕山大学 Movable mask micro-electrochemical machining device and method

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