CN101695775A - High-precision end-tooth automatic dividing device for gear grinding machine - Google Patents
High-precision end-tooth automatic dividing device for gear grinding machine Download PDFInfo
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- CN101695775A CN101695775A CN200910309243A CN200910309243A CN101695775A CN 101695775 A CN101695775 A CN 101695775A CN 200910309243 A CN200910309243 A CN 200910309243A CN 200910309243 A CN200910309243 A CN 200910309243A CN 101695775 A CN101695775 A CN 101695775A
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Abstract
The invention discloses a high-precision end-tooth automatic dividing device for a gear grinding machine, belonging to the technical field of gears and gear cutter precision manufacture techniques. The high-precision end-tooth automatic dividing device is characterized in that a pair of end-tooth discs is designed according to the shafting structure of a main processing shaft of the gear grinding machine, a fixed end-tooth disc is fixed on an outer shaft sleeve of the main processing shaft of the gear grinding machine, and a movable end-tooth disc is fixed on a main shaft; a radial cam of an original machine tool dividing system is modified into an end-surface cam to drive the separation and reunion of the end-tooth discs; a geneva mechanism and a dividing change gear of the original machine tool dividing system drive the rough division of the movable end-tooth disc, or a stepping motor respectively drives the separation and reunion and the rough division of the movable end-tooth disc, thus the automation degree is high; the dividing precision of the end-tooth discs achieves +/-0.2 under a free state after the end-tooth discs are arrayed and mutually abraded, the dividing precision of the end-tooth discs achieves +/-1 to +/-3 after the end-tooth discs are combined on a machine tool, and the positioning repeated precision meets +/-0.1 so as to meet the requirements of a gear or a gear cutter which is processed with 1-grade tooth pitch precision.
Description
Technical field
The invention belongs to the accurate manufacturing technology of gear and cutter for gear wheel field, relate to the characteristics of utilizing end-toothed disc to have higher combined and divided precision and the structure that is according to gear grinding machines machining spindle axle, develop high accuracy end tooth automatic dividing attachment, taken turns by roll flute or a technology of cutter for gear wheel tooth pitch precision in order to improve.
Background technology
In the grinding processing method of gear, big flat-faced wheel roll flute method can obtain higher precision of grinding teeth, the processing method that generally adopts for master gear both at home and abroad.Most of locating detent-calibration disc type the indexing system that adopts of the indexing system of big flat-faced wheel gear grinding machines, indexing accuracy depends primarily on the machining accuracy of index dial teeth groove.The manufacturing Accumulated deviation of index dial teeth groove is generally 10 "～30 ", and the adjacent sheaves deviation is 3 "～5 ", and such index dial only is applicable to the gear of 5～3 grades of grindings (ISO1328-1:1995, down together) tooth pitch precision.
End-toothed disc is a kind of mechanical dividing device of precision, because of its have calibration accurately, compact conformation, can self-centering, no angular displacement idle running, locate the repeatable accuracy advantages of higher, in the precise angle fields of measurement, occupy critical role.When end-toothed disc was worked, its whole or most of teeth participated in the engagement location simultaneously, because " error homogenising effect " and " elasticity is crossed constraint principles " of end tooth engagement make its combined and divided precision be much higher than the machining accuracy of fluted disc itself.End tooth indexing means its indexing accuracy of calibration disc type indexing means more in the past can improve an order of magnitude.At present the indexing accuracy of end-toothed disc can reach ± 0.2 ", even higher, satisfy the process requirements of 1 grade of tooth pitch precision ultraprecision gear fully.
Current end-toothed disc is mainly used in the precise angle fields of measurement.Succeeding in developing of differential type end-toothed disc and flexible client-tooth plate improved the indexing accuracy and the resolution ratio of end-toothed disc greatly.Yet, end-toothed disc is applied to the Gear Processing field, also be in and attempt and the exploratory stage.Existing end tooth indexing means or other high-precision dividing apparatus are because the difference of structure and performance all is not suitable for assembling use on gear grinding machines.Therefore, utilize end-toothed disc to have the characteristics of higher combined and divided precision, in conjunction with the structure of gear grinding machines machining spindle axle system, develop a kind of end tooth automatic indexing system that is fit to be assembled on the gear grinding machines and be necessary very much, significant.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of high-precision end-tooth automatic dividing device for gear grinding machine.Technology official documents and correspondence of the present invention is as follows:
The core parts of this device are the end-toothed discs of the accurate facing-up of a pair of process, are divided into stiff end fluted disc and activity
End-toothed disc, its concrete structure designs according to the structure of gear grinding machines machining spindle axle system.The stiff end fluted disc is fixed on the outer shaft of gear grinding machines machining spindle, and the movable end fluted disc is fixed on the main shaft.Radial cams in the former indexing system of lathe repacks the clutch that edge cam comes the drive end fluted disc into, and Geneva drive in the former indexing system of lathe and index change gear drive movable end fluted disc rough segmentation degree; Or use stepper motor to drive the clutch and the rough segmentation degree of movable end fluted disc respectively, realize by spring force the engagement location of end-toothed disc.
In the course of work of end-toothed disc, its engagement center is dispersed in a diameter and is about in the circumference of 1mm.In order to reduce the loss of end-toothed disc scale division precision to greatest extent, by the end-toothed disc datum clamp face is carried out accurate measurement and advanced study and training, the centre of gyration of adjusting end-toothed disc overlaps with its engagement center.
End-toothed disc of the present invention uses higher, the wearability high-speed tool steel materials processing preferably of hardness, the dish tooth is a rigid teeth, the number of teeth may be selected to be 360,720 or 1440 teeth with more common divisor, and the common divisor of its number of teeth is the number of teeth that can add work gear or cutter for gear wheel.
The present invention utilizes stepper motor or the original Geneva drive level of lathe calibration change gear to carry out calibration, automaticity height automatically.The existing roll flute indexing means of this indexing means is compared has the highest indexing accuracy and repeatable accuracy, after end-toothed disc grinds through permutation inter, under free state indexing accuracy can reach ± 0.2 "; be combined on the lathe back indexing accuracy and can reach ± 1 "～± 3 "; repeatable accuracy can reach ± 0.1 ", satisfy the gear of 1 grade of (ISO1328-1:1995) tooth pitch precision of processing or the demand of cutter for gear wheel.
Description of drawings
Fig. 1 end-toothed disc fundamental diagram.
The structural representation of Fig. 2 (a) movable end fluted disc.
The structural representation of Fig. 2 (b) stiff end fluted disc.
The axial datum clamp face instrumentation plan of Fig. 3 end-toothed disc;
Fig. 4 end-toothed disc is the datum clamp face instrumentation plan radially.
Among the figure: 1. roll flute axle; 2. movable end fluted disc; 3. stiff end fluted disc; 4. fixed hub; 5. machining spindle; 6. angular displacement control panel and driving; 7. displacement of the lines control panel and driving; 8. roll flute axle datum clamp face;
9. movable end fluted disc datum clamp face; 10. stiff end fluted disc datum clamp face; 11. marble platform;
12. horizontal table; 13. Magnetic gauge stand; 14. inductance amesdial is other to gauge head; 15. movable end fluted disc; 16. stiff end fluted disc; 17. measurement annex; 18. turntable; 19. movable end fluted disc centering circle;
20. stiff end fluted disc centering circle.
The specific embodiment
Be described in detail specific embodiments of the invention below in conjunction with technical scheme and accompanying drawing.
Function of the present invention is the same with the original indexing system of lathe, all is in order to realize the calibration of roll flute, different is in the indexing system precision indexing element and installation site.Precision indexing element among the present invention is grabbed end-toothed disc near grinding workpiece, and the torsional deflection of axle is less to the influence of indexing accuracy; And the index dial in the former lathe is away from grinding workpiece, and the torsional deflection of axle is bigger to the influence of indexing accuracy.Add the characteristics of end-toothed disc itself, make this indexing means compare, have the highest indexing accuracy and location repeatable accuracy with existing gear grinding machines indexing accuracy.
During calibration, edge cam promotes machining spindle drive movable end fluted disc and moves axially, and makes the engagement of two disk detachments.This moment, the Ma Shi Geneva mechanism drove the driving wheel rotation of index change gear, through behind the index change gear of a certain gearratio, drove the angle that machining spindle rotates a tooth, and this moment, the movable end fluted disc forwarded required angle substantially to.The step of above-mentioned movable end fluted disc rough segmentation degree also available step motor directly drives.Along with being rotated further of edge cam, the movable end fluted disc also rotates with stiff end fluted disc tight engagement under the effect of spring force, thereby has realized the precision indexing of roll flute.After having ground a tooth, just enter the calibration of next tooth, successively the complete tooth of circulation mill.
Claims (2)
1. a high-precision end-tooth automatic dividing device for gear grinding machine is characterized in that: the core unit of this device
Part is the end-toothed disc of the accurate facing-up of a pair of process, is divided into stiff end fluted disc and movable end fluted disc, and its concrete structure designs according to the structure of gear grinding machines machining spindle axle system; The stiff end fluted disc is fixed on the outer shaft of gear grinding machines machining spindle, and the movable end fluted disc is fixed on the main shaft; Radial cams in the former indexing system of lathe repacks the clutch that edge cam comes the drive end fluted disc into, and Geneva drive in the former indexing system of lathe and index change gear drive movable end fluted disc rough segmentation degree; Or use stepper motor to drive the clutch and the rough segmentation degree of movable end fluted disc respectively, realize by spring force the engagement location of end-toothed disc;
In the course of work of end-toothed disc, its engagement center is dispersed in a diameter and is about in the circumference of 1mm, and by the end-toothed disc datum clamp face is carried out accurate measurement and advanced study and training, the centre of gyration of adjusting end-toothed disc overlaps with its engagement center.
2. a kind of high-precision end-tooth automatic dividing device for gear grinding machine according to claim 1, its feature also is: the dish tooth of end-toothed disc is a rigid teeth, the number of teeth is chosen as 360,720 or 1440 teeth with more common divisor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103092432A CN101695775B (en) | 2009-11-03 | 2009-11-03 | High-precision end-tooth automatic dividing device for gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103092432A CN101695775B (en) | 2009-11-03 | 2009-11-03 | High-precision end-tooth automatic dividing device for gear grinding machine |
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| Publication Number | Publication Date |
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| CN101695775A true CN101695775A (en) | 2010-04-21 |
| CN101695775B CN101695775B (en) | 2011-01-05 |
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| CN2009103092432A Expired - Fee Related CN101695775B (en) | 2009-11-03 | 2009-11-03 | High-precision end-tooth automatic dividing device for gear grinding machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788607A (en) * | 2012-07-19 | 2012-11-21 | 中国航空工业集团公司北京航空精密机械研究所 | High-precision end-toothed disc positioning rotary table |
| CN103551066A (en) * | 2013-10-28 | 2014-02-05 | 深圳市源智坤华软件有限公司 | Mixer |
| CN103990861A (en) * | 2014-05-28 | 2014-08-20 | 南京工程学院 | Variable lead worm dividing head rack of gear grinding machine |
| CN108145533A (en) * | 2017-12-07 | 2018-06-12 | 南京信息职业技术学院 | The cutter revolution-radius of helical milling device adjusts measure and control device and its control method |
| CN109158915A (en) * | 2018-10-23 | 2019-01-08 | 哈尔滨工业大学 | A kind of high-precision fast-positioning device based on Endtooth-disc fix principle |
| CN111367175A (en) * | 2020-03-17 | 2020-07-03 | 江南大学 | Intelligent adjacent state deviation control method of unknown transition probability jump system |
| CN114798336A (en) * | 2022-06-01 | 2022-07-29 | 重庆华辉涂料有限公司 | Quantitative quick automatic coating device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100894B (en) * | 1985-04-01 | 1985-09-10 | 机械工业部北京机械工业自动化研究所 | A group of the elastic end teeth plates used for the mulitooth indexing fixture, particularly for the multitooth indexing plates |
| JP2003159634A (en) * | 2001-11-22 | 2003-06-03 | Mitsubishi Heavy Ind Ltd | Index disk |
| CN201264178Y (en) * | 2008-09-04 | 2009-07-01 | 无锡开源机床集团有限公司 | End-toothed disc scale division positioning device |
-
2009
- 2009-11-03 CN CN2009103092432A patent/CN101695775B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788607A (en) * | 2012-07-19 | 2012-11-21 | 中国航空工业集团公司北京航空精密机械研究所 | High-precision end-toothed disc positioning rotary table |
| CN102788607B (en) * | 2012-07-19 | 2016-12-21 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of high accuracy Endtooth-disc fix turntable |
| CN103551066A (en) * | 2013-10-28 | 2014-02-05 | 深圳市源智坤华软件有限公司 | Mixer |
| CN103990861A (en) * | 2014-05-28 | 2014-08-20 | 南京工程学院 | Variable lead worm dividing head rack of gear grinding machine |
| CN108145533A (en) * | 2017-12-07 | 2018-06-12 | 南京信息职业技术学院 | The cutter revolution-radius of helical milling device adjusts measure and control device and its control method |
| CN108145533B (en) * | 2017-12-07 | 2019-06-14 | 南京信息职业技术学院 | The cutter revolution-radius of helical milling device adjusts measure and control device and its control method |
| CN109158915A (en) * | 2018-10-23 | 2019-01-08 | 哈尔滨工业大学 | A kind of high-precision fast-positioning device based on Endtooth-disc fix principle |
| CN111367175A (en) * | 2020-03-17 | 2020-07-03 | 江南大学 | Intelligent adjacent state deviation control method of unknown transition probability jump system |
| CN111367175B (en) * | 2020-03-17 | 2021-04-02 | 江南大学 | Intelligent adjacent state deviation control method of unknown transition probability jump system |
| CN114798336A (en) * | 2022-06-01 | 2022-07-29 | 重庆华辉涂料有限公司 | Quantitative quick automatic coating device |
| CN114798336B (en) * | 2022-06-01 | 2024-03-26 | 重庆华辉涂料有限公司 | Quantitative quick automatic coater |
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| CN101695775B (en) | 2011-01-05 |
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