CN1184053C - High speed and super high speed outer sphere grinding method and equipment - Google Patents
High speed and super high speed outer sphere grinding method and equipment Download PDFInfo
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- CN1184053C CN1184053C CN 02139749 CN02139749A CN1184053C CN 1184053 C CN1184053 C CN 1184053C CN 02139749 CN02139749 CN 02139749 CN 02139749 A CN02139749 A CN 02139749A CN 1184053 C CN1184053 C CN 1184053C
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Abstract
The present invention relates to a method for high speed and ultra-high speed grinding of external circles. The present invention is characterized in that a grinding wheel rack for grinding is fixed to a grinding machine body and only completes the rotary motion of a grinding wheel; a workpiece is driven by a longitudinal working table and a transverse working table to conduct longitudinal and transverse feed motion. The equipment designed by using the method for high speed and ultra-high speed grinding of external circles comprises a grinding machine body, a grinding wheel rack of which the main shaft is provided with a grinding wheel, a longitudinal working table, etc. The equipment is characterized in that the grinding wheel rack is fixedly arranged on the grinding machine body; the main shaft of the grinding wheel rack is arranged on the grinding wheel rack; the axis of the main shaft of the grinding wheel rack is as high as the installation axis of a workpiece, is parallel to the longitudinal feed direction of the working table and is perpendicular to the transverse feed direction; a guide track is arranged below the longitudinal working table and is respectively matched with the longitudinal working table and the transverse working table, so the longitudinal working table can longitudinally and transversely slide; and a head frame and a tail frame are also respectively arranged on the working tables. The present invention can realize the high speed and ultra-high speed grinding of external circles and enhance the processing efficiency and the processing accuracy.
Description
Technical field:
The present invention relates to mechanical manufacturing field, be specifically related to a kind of the realization at a high speed and the method for ultrahigh speed cylindricalo grinding and the equipment designed according to this method.
Background technology:
High speed and superhigh speed grinding are key technologies in the advanced manufacturing technology field.Along with more and more higher to the requirement of part processing precision and working (machining) efficiency, in priority research areas is listed the research and development of high speed and superhigh speed grinding equipment by many in the world developed countries.High speed and superhigh speed grinding are than the distinguishing feature of the lower plain grinding of linear velocity: after grinding speed surpassed certain critical value, grinding force and grinding temperature significantly reduced, and working (machining) efficiency and crudy increase substantially.Because high speed and superhigh speed grinding be improve production efficiency and product quality greatly, reduce cost, realize the fine finishining of difficult-to-machine material, thereby this The Application of Technology will produce huge economic benefit and social benefit.Because high speed and superhigh speed grinding can combine thick fine finishining together, by blank time processing finished product, make the manufacturing mode of production, the industrial structure and enterprise schema that deep the variation be taken place simultaneously, its associated effect and radianting capacity are difficult to estimate.China at present can't production ultrahigh speed grinding machine product.
Summary of the invention:
Technical problem to be solved by this invention is how to realize at a high speed and the ultrahigh speed Cylindrical Grinding Processes, to improve working (machining) efficiency and machining accuracy.
Technical problem of the present invention is solved by following technical proposals.Its method is characterised in that the grinding carriage that is used for carrying out grinding is fixed on the grinder bed, only finishes rotatablely moving of emery wheel, and workpiece drives by the vertical and horizontal workbench and does the vertical and horizontal feed motion.High speed that is designed by said method and ultrahigh speed cylindricalo grinding equipment comprise lathe bed, vertical workbench and grinding carriage, the grinding carriage main shaft that joins with motor is housed in the described grinding carriage, on this main shaft emery wheel is housed, it is characterized in that described grinding carriage is fixedly installed on the lathe bed, grinding carriage main shaft dress thereon, it is contour that grinding carriage main-shaft axis and workpiece are installed axis, and parallel with workbench length feed direction, and the traverse feed direction is vertical; Below vertical workbench, be provided with a guide rail, the boss that this guide rail is offered above corresponding vertical chute of offering below vertical workbench matches, and also offers horizontal concrete chute below the guide rail, be located at lathe bed on horizontal work level on the corresponding boss of offering match; On workbench, the headstock and tailstock are housed respectively also.For guaranteeing machining accuracy, AC servo machinery driving is adopted in the feed motion of workbench, and the screw mandrel that is adopted is the high precision ball screw mandrel, and guide rail is the linear rolling track with prefastening load.
The present invention is by improving at present existing grinding processing method and equipment, the needs that can adapt to the processing of high speed and superhigh speed grinding, solve the existing grinding equipment of China at a high speed incompatible and industry technology difficult problem that ultrahigh speed processing needs on the structure, for promoting the integral level of China in this field, be exploitation China high speed and ultrahigh speed cylindrical grinder, and then advance the industrialization of China's high speed grinding machine to have important practical value.
Description of drawings:
Fig. 1 is a structure embodiment schematic diagram of the present invention.
Among the figure:
The 1-emery wheel; The 2-workpiece; The 3-tailstock;
The vertical workbench of 4-; The 5-headstock; 6-headstock motor;
The 7-grinding carriage; 8-grinding carriage main shaft; The 9-horizontal work level;
The 10-guide rail; The 11-lathe bed; The 12-headstock spindle.
The specific embodiment:
The overall movement scheme of cylindrical grinder is made up of following motion both at home and abroad at present: 1. emery wheel rotatablely moves; 2. the lengthwise movement of workpiece; 3. the in-movement of grinding carriage; 4. workpiece rotatablely moves.Because lathe must have very high rigidity under the superhigh speed grinding condition, and the emery wheel of ultrahigh speed running is an important vibration source, if it should rotate, do in-movement again, certainly will reduce the rigidity of grinding carriage owing to increased contact-making surface, increase the vibration of grinding carriage, reduce its kinematic accuracy, bring great difficulty for simultaneously the balance of emery wheel.Therefore, grinding carriage should not carry out in-movement again.Present cylindrical grinder structure is not suitable for carrying out superhigh speed grinding.
The present invention is directed to above-mentioned deficiency, a kind of new the realized high speed and the technical scheme of ultrahigh speed Cylindrical Grinding Processes have been proposed, the grinding carriage that it is characterized in that being used for carrying out grinding is fixed on the grinder bed, only finish rotatablely moving of emery wheel, do not carry out the feed motion of any direction, the vertical and horizontal feed motion of workpiece is finished by workbench.Because emery wheel only rotates, the rigidity of grinding carriage in the time of can guaranteeing to run up effectively, avoided the grinding carriage of existing cylindrical grinder should finish rotatablely moving of emery wheel, do in-movement again and cause grinding carriage entire system rigidity to descend, the defective that the emery wheel running speed is slower, the processing of high speed and superhigh speed grinding is achieved, and the working (machining) efficiency and the machining accuracy of lathe improve greatly.
The present invention has designed a cylindricalo grinding equipment according to said method.Fig. 1 has showed this device structure embodiment, as shown in the figure, it comprises lathe bed 11, grinding carriage 7, vertical workbench 4 etc. is characterized in that grinding carriage 7 is fixed on the lathe bed 11, and the grinding carriage main shaft 8 that directly joins with motor is housed in it, grinding carriage main shaft 8 one ends are equipped with emery wheel 1, can do at a high speed under it drives and the ultrahigh speed rotation.Grinding carriage 7 makes grinding carriage main shaft 8 axis when installing and vertically workbench 4 directions of motion are parallel, and is vertical with horizontal work level 9 directions of motion, contour with workpiece 2 rotations, to guarantee grinding carriage main shaft 8 axis height and emery wheel 1 and to treat that grinder part 2 sizes are complementary.Existing cylindrical grinder workbench has only the feed motion of longitudinal direction, workpiece 2 of the present invention both can be made length feed, can do in-movement again, its motion is to be realized by vertical workbench 4 and horizontal work level 9, as shown in the figure, below vertical workbench 4, be provided with a guide rail 10, the boss that this guide rail 10 is offered above corresponding vertical chutes of offering below vertical workbench 4 match, and can make vertical workbench 4 longitudinally do slippage; Below the guide rail 10, also offer horizontal concrete chute, can match, do horizontal slippage along chute with the corresponding boss of offering on the horizontal work level 9 on being located at lathe bed 11.Like this, just can drive vertical workbench 4 by guide rail 10 and being connected of vertical workbench 4 and horizontal work level 9 and do vertical or horizontal slippage, drive the feeding that the workpiece 2 that is installed on vertical workbench 4 is made vertical and horizontal simultaneously, and it drives and does not all adopt hydraulic system, but employing AC servo machinery driving, the screw mandrel that is adopted is the high precision ball screw mandrel, and guide rail is the linear rolling track with prefastening load, with abundant assurance machining accuracy.On vertical workbench 4, also be respectively equipped with the headstock 5 and the tailstock 3 that are used for fixing the location of workpiece, headstock spindle 12 is housed on the headstock 5, drive by headstock motor 6 and rotate, promptly can fixation workpiece, can drive workpiece again and rotate.The present invention both improved moving component such as vertical, horizontal work level in conjunction with rigidity, make its motion very sensitive simultaneously again, thereby machine tool structure greatly simplified.
Claims (3)
1, a kind of high speed and ultrahigh speed cylindricalo grinding method, the grinding carriage that it is characterized in that being used for carrying out grinding is fixed on the grinder bed, only finishes rotatablely moving of emery wheel, and workpiece drives by the vertical and horizontal workbench and does the vertical and horizontal feed motion.
2, a kind of method according to claim 1 and the high speed and the ultrahigh speed cylindricalo grinding equipment that design, it comprises lathe bed, vertical workbench and grinding carriage, the grinding carriage main shaft that joins with motor is housed in the described grinding carriage, on this main shaft emery wheel is housed, it is characterized in that described grinding carriage is fixedly installed on the lathe bed, the grinding carriage main shaft is adorned thereon, and it is contour that grinding carriage main-shaft axis and workpiece are installed axis, and parallel with workbench length feed direction, vertical with the traverse feed direction; Below vertical workbench, be provided with a guide rail, the boss that this guide rail is offered above corresponding vertical chute of offering below vertical workbench matches, and also offers horizontal concrete chute below the guide rail, be located at lathe bed on horizontal work level on the corresponding boss of offering match; On workbench, the headstock and tailstock are housed respectively also.
3, high speed according to claim 2 and ultrahigh speed cylindricalo grinding equipment is characterized in that AC servo machinery driving is adopted in the feed motion of workbench, and the screw mandrel that is adopted is the high precision ball screw mandrel, and guide rail is the linear rolling track with prefastening load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139749 CN1184053C (en) | 2002-11-12 | 2002-11-12 | High speed and super high speed outer sphere grinding method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139749 CN1184053C (en) | 2002-11-12 | 2002-11-12 | High speed and super high speed outer sphere grinding method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1410226A CN1410226A (en) | 2003-04-16 |
| CN1184053C true CN1184053C (en) | 2005-01-12 |
Family
ID=4750218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02139749 Expired - Fee Related CN1184053C (en) | 2002-11-12 | 2002-11-12 | High speed and super high speed outer sphere grinding method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1184053C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961849B (en) * | 2010-07-21 | 2012-07-04 | 中国科学院国家天文台南京天文光学技术研究所 | In-site grinding method and device thereof of friction drive super large diameter friction disk of telescope |
| CN103203667A (en) * | 2013-03-28 | 2013-07-17 | 潘旭华 | Automatic loading and unloading method of NC (Numerical Control) external cylindrical grinding machine |
| CN103949954A (en) * | 2014-05-04 | 2014-07-30 | 于法周 | Grinding and processing mechanism |
| CN104759954B (en) * | 2015-05-06 | 2017-03-29 | 广州大学 | A kind of revolving body workpieces pre-stressed grinding method |
| CN105364697A (en) * | 2015-12-10 | 2016-03-02 | 上海茂霖高分子科技股份有限公司 | Cylindrical grinding machine |
| CN106607735B (en) * | 2016-04-14 | 2019-02-22 | 常州市金致机械制造有限公司 | Nickel screen polishing molding machine |
| CN107520737A (en) * | 2017-09-02 | 2017-12-29 | 芜湖乾凯材料科技有限公司 | A kind of outer surface burnishing device suitable for tubular workpiece |
| CN112658838A (en) * | 2020-12-25 | 2021-04-16 | 扬州大学 | Engine crankshaft numerically controlled grinder |
-
2002
- 2002-11-12 CN CN 02139749 patent/CN1184053C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1410226A (en) | 2003-04-16 |
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