CN103071868B - Nut rolling way electric machining process and lathe - Google Patents
Nut rolling way electric machining process and lathe Download PDFInfo
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- CN103071868B CN103071868B CN201210596365.6A CN201210596365A CN103071868B CN 103071868 B CN103071868 B CN 103071868B CN 201210596365 A CN201210596365 A CN 201210596365A CN 103071868 B CN103071868 B CN 103071868B
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Abstract
The present invention discloses a kind of electric machining process and lathe of nut rolling way, described electric machining process comprises electrolysis or electric spark or electrolysis electric spark composite machining process, described lathe comprises main spindle box 1, chuck 2, power supply 3, cathode wire 4a, positive wire 4b, lathe bed 5, discharging tube 6, X-axis motor 7, X-axis guide rail supporting plate 8, electrolyte tank 9, water pump 10, X-axis guide rail 11, X-axis slide block 12, Y-axis guide rail supporting plate 13, Y-axis guide rail 14, y-axis motor 15, feed pipe 16, Y-axis slide block 17, Y-axis slide attachment plate 18, cathode fixture 19, tool cathode 20, workpiece nut 21, Z axis slide block 22, Z axis guide rail 23, Z axis guide rail supporting plate 24, Z axis motor 25 etc., workpiece 21 is arranged on chuck 2, tool cathode 20 is clamped by cathode fixture 19, tool cathode 20 stretches into workpiece 21 endoporus, corresponding electric machining is carried out by power supply 3, present invention process distinct characteristics, simple and practical.
Description
Technical field
The present invention relates to technique and the lathe of the processing of a kind of nut rolling way, belong to mechanical manufacturing field.
Background technology
Feed screw nut is industrial circle, and especially machine tool field is commonly used or even indispensable foundation motion parts, but the processing of the raceway of raceway in nut, particularly large pitch nut always is a difficult problem.The conventional method processed nut rolling way at present first carries out turnery processing to raceway, then Quenching Treatment improves hardness, finally refines raceway.
External also have a kind of technique to be adopt internal turbo cutlery fine-processing technique, and its principle is similar with grinding, but with CBN milling cutter replacement emery wheel, efficiency improves 10 times.But these two kinds of processes nuts especially large pitch nut time all there is the problem that knife bar and nut inner wall interfere.
At present for avoiding cutter (mill) bar and nut inner surface, the problem of especially large pitch nut inner surface interference, has three kinds of methods:
1. flexible mill bar method.Mill bar main shaft and nut shaft line parallel, but grinding wheel spindle is not parallel with nut axis, emery wheel is by flexible shaft and grind bar and connect.The method complex structure, emery wheel is very high with the connection required precision of mill bar, and by space constraint, grinding wheel spindle can only be connect by small-diameter bearings and mill bar, serious wear.
2. interfere mill method.Grinding wheel spindle is parallel with nut axis, and emery wheel cross section is determined by calculating, and the screw thread that processes or raceway are met the demands.But calculation of complex, and often result of calculation " without separate ".
3. hard car envelope method.Knife bar and nut shaft line parallel, the point of a knife part of lathe tool is r circular shape, nut is on C axle, cutter is on Z axis, add and carry out spiral interpolation man-hour, circular arc point of a knife just forms the inner helical surface that a cross section is r circular arc on nut hole wall, and the enveloping surface of the inner helical surface of multiple r circular arc forms nut inside spin raceway.The method requires high to lathe, and linear electric motors drive, and the kinetic control system speed of hydrostatic slideway, grating closed-loop measuring system composition reaches 60m/min, and acceleration reaches 1g.This is a challenge to Machine Manufacture, and lathe is with high costs.
The 200610131805.5 a kind of methods proposing nut for processing ball-screw, the spiral-shaped rolling surface of the nut of first turning ball-screw, then heat treatment, last electrobrightening surface.Its last electrobrightening is only for raceway face polishing, but not dimensioned.200910168307.1 disclose one nut, female thread machining device and female thread machining method.It has mainly invented a kind of new construction nut being easy to process, and then proposes corresponding processing method, mainly reduces difficulty of processing by heat treatment.
Summary of the invention
The object of the invention is to provide a kind of brand-new resolving ideas for the problems referred to above, adopt Special Working Technology (electrolysis, electric spark or compound electric processing technology), utilize its elaboration power little, not by the feature that workpiece hardness affects, carry out nut, especially the processing of raceway in large pitch nut, and provide a kind of concrete implementer's case on this basis.
Technical scheme of the present invention is shown in Fig. 1: design the bulb or class bulb tool cathode 20 that conform to nut rolling way shape of cross section, and make tool cathode 20 opposite piece nut 21 inner surface along pre-designed raceway spiral motion, based on electrolysis or electric spark or electrolysis electric spark Compound Machining mechanism, ablation material, realizes the processing of nut rolling way.
The present invention is owing to adopting electrolysis or electrical discharge machining process, and its beneficial effect is:
1. electric machining does not affect by workpiece hardness, thick, in, fine finishining " once can cross " and carry out after parts quenching, without the need to first roughing, then quench, last fine finishining, simplifies technical process.Especially Electrolyzed Processing, instrument is lossless, can greatly reduce costs.
2. elaboration power is little, and lathe rigidity easily meets the demands.
3. instrument is without the need to rotating, and only need low speed along workpiece axial feed, there is not the high speed rotary motion of emery wheel and milling cutter, machine tool structure is more simple, moves more steady.
4. workpiece low speed rotation is without the need to the high speed cutting feed mechanism of complexity, low to lathe dynamic performance requirements.
Accompanying drawing explanation
Fig. 1 is technological principle schematic diagram of the present invention.
Fig. 2 is lathe schematic diagram of the present invention.
In figure, A is to the feeding direction being working solution, 1 is main spindle box, 2 is chuck, 3 is power supply, 4a is cathode wire, 4b is positive wire, 5 is lathe bed, 6 is discharging tube, 7 is X-axis motor, 8 is X-axis guide rail supporting plate, 9 is electrolyte tank, 10 is water pump, 11 is X-axis guide rail, 12 is X-axis slide block, 13 is Y-axis guide rail supporting plate, 14 is Y-axis guide rail, 15 is y-axis motor, 16 is feed pipe, 17 is Y-axis slide block, 18 is Y-axis slide attachment plate, 19 is cathode fixture, 20 is tool cathode, 21 is workpiece nut, 22 is Z axis slide block, 23 is Z axis guide rail, 24 is Z axis guide rail supporting plate, 25 is Z axis motor.
Embodiment
Specific embodiment of the invention scheme is shown in accompanying drawing 2.
Nut shaping machine bed of the present invention, includes main spindle box 1, chuck 2, power supply 3, cathode wire 4a, positive wire 4b, lathe bed 5, discharging tube 6, X-axis motor 7, X-axis guide rail supporting plate 8, electrolyte tank 9, water pump 10, X-axis guide rail 11, X-axis slide block 12, Y-axis guide rail supporting plate 13, Y-axis guide rail 14, y-axis motor 15, feed pipe 16, Y-axis slide block 17, Y-axis slide attachment plate 18, cathode fixture 19, tool cathode 20, workpiece nut 21, Z axis slide block 22, Z axis guide rail 23, Z axis guide rail supporting plate 24, Z axis motor 25.
Workpiece 21 is arranged on chuck 2, and chuck 2 is arranged on main spindle box 1, and main spindle box 1 is arranged on Z axis slide block, can move along Z axis guide rail.X, Y-axis form cross slid platform, and Y-axis workbench is fixed on X-axis slide block 12 by Y-axis supporting plate 13, can move along X-axis guide rail.Cathode fixture 19 is fixed on Y-axis slide block 17 by connecting plate 18, can move along Y-axis guide rail 14.Tool cathode 20 is clamped by fixture 19, stretches into workpiece 21 endoporus.Tool cathode 20 is hollow, and front end is bulb or the class bulb shape according to race interface design.Rear end is connected with feed pipe 16, and the working solution in working liquid container 9 is passed through feed pipe 16 from hollow tool cathode 20 rear end running tool negative electrode 20 by water pump 10.
With regard to nut rolling way processing of the present invention, the motion that lathe will realize can be summed up as the spiral motion of tool-electrode opposite piece bore area and the radial motion of tool-electrode opposite piece bore area, and wherein spiral motion is actually the axially-movable of tool-electrode opposite piece and rotary motion interlock and realizes.In concrete enforcement, multiple technologies scheme can also be formed by the various combination of rectilinear motion and rotary motion, realize above-mentioned motion.
Claims (3)
1. a nut rolling way electric machining process, it is characterized in that: front tool is designed to the bulb that conforms to nut rolling way shape of cross section or class bulb, tool-electrode opposite piece inner surface is along pre-designed raceway spiral motion, based on electrolysis or electric spark or electrolysis electric spark combination process, process nut rolling way.
2. nut rolling way electric machining process according to claim 1, is characterized in that instrument is hollow, adopts inner feed liquid way.
3. a nut rolling way electrical process machine, it is characterized in that: rotating shaft rotates around Y-axis, workpiece is fixed on chuck, chuck is fixing on the rotary shaft, and rotating shaft is fixed on Z axis, and tool-electrode is fixed in Y-axis, Y-axis is fixed in X-axis, the interlock energy implementation tool opposite piece nut inner surface of Y-axis and rotating shaft is along raceway spiral motion, and Z axis energy implementation tool opposite piece radial feed, X-axis is for adjusting the lateral attitude on instrument opposite piece surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596365.6A CN103071868B (en) | 2012-12-30 | 2012-12-30 | Nut rolling way electric machining process and lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596365.6A CN103071868B (en) | 2012-12-30 | 2012-12-30 | Nut rolling way electric machining process and lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103071868A CN103071868A (en) | 2013-05-01 |
| CN103071868B true CN103071868B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210596365.6A Expired - Fee Related CN103071868B (en) | 2012-12-30 | 2012-12-30 | Nut rolling way electric machining process and lathe |
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| CN (1) | CN103071868B (en) |
Families Citing this family (12)
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| CN103341672B (en) * | 2013-06-06 | 2015-08-05 | 王军波 | A kind of fine-tuning machine for debugging tablet audio frequency |
| CN103611994B (en) * | 2013-11-21 | 2016-08-31 | 南京航空航天大学 | Complex-curved list without recast layer/group hole Multi-station electrical spark-electrolytic machine tool |
| CN104526096B (en) * | 2014-11-10 | 2017-01-25 | 宁波市博虹机械制造开发有限公司 | Clamp special for machining stroke of cow-head type numerical control electrical sparkle machine tool |
| DE102014225619A1 (en) * | 2014-12-11 | 2016-06-16 | Mahle International Gmbh | Device for the production of at least one hollow valve |
| CN106363263B (en) * | 2016-11-24 | 2019-03-15 | 广东工业大学 | A kind of electrolytic machine tool of the more roll ways and roll balls nut arc spiral grooves of large pitch |
| CN106424985B (en) * | 2016-12-01 | 2019-03-15 | 广东工业大学 | A kind of machining tool and technique of the more roll ways and roll balls nut arc spiral grooves of large pitch |
| CN106862683B (en) * | 2017-04-26 | 2019-06-11 | 广东工业大学 | A kind of device and electrochemical machining method for the profound and subtle groove of Electrolyzed Processing planar array |
| CN106944685B (en) * | 2017-05-08 | 2020-01-07 | 广东工业大学 | Electrolytic machining method for ball nut raceway outlet |
| CN106975807B (en) * | 2017-05-16 | 2018-11-02 | 广东工业大学 | A kind of Electrolyzed Processing cathode of ball nut raceway |
| CN107626997A (en) * | 2017-09-27 | 2018-01-26 | 西安工业大学 | The spiral narrow slot Electrolyzed Processing negative electrode of the complex-curved big depth-to-width ratio of outline |
| CN111120497B (en) * | 2020-01-13 | 2024-10-15 | 广东轻工职业技术学院 | Permanent anti-loose screw pair with barb type thin teeth on tooth type spiral surface and manufacturing device |
| CN113305379A (en) * | 2021-05-26 | 2021-08-27 | 中国航空制造技术研究院 | Electrolytic machining method and tool for outer ring surface of rotary structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1035071A (en) * | 1989-01-11 | 1989-08-30 | 航空航天工业部第609研究所 | Electric machining valve pocket inner groove technology |
| JP2003025152A (en) * | 2001-07-19 | 2003-01-29 | Nsk Ltd | Method for improving rolling surface of nut screw for ball screw |
| JP4937214B2 (en) * | 2008-08-27 | 2012-05-23 | 本田技研工業株式会社 | nut |
| CN102357678B (en) * | 2011-09-09 | 2013-03-27 | 长沙哈量凯帅精密机械有限公司 | Machine tool and method for machining spiral bevel gear |
| CN102581726B (en) * | 2012-03-19 | 2014-08-20 | 南京理工大学 | Non-contact automatic tool setting module and non-contact automatic tool setting method for internal thread groove of nut |
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Granted publication date: 20150819 Termination date: 20181230 |