CN100513080C - Cup type grinding wheel trimming device - Google Patents

Cup type grinding wheel trimming device Download PDF

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Publication number
CN100513080C
CN100513080C CNB2007100094865A CN200710009486A CN100513080C CN 100513080 C CN100513080 C CN 100513080C CN B2007100094865 A CNB2007100094865 A CN B2007100094865A CN 200710009486 A CN200710009486 A CN 200710009486A CN 100513080 C CN100513080 C CN 100513080C
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CN
China
Prior art keywords
wheel
trimming
main shaft
swing arm
swing
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Expired - Fee Related
Application number
CNB2007100094865A
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Chinese (zh)
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CN101121250A (en
Inventor
郭隐彪
王振忠
郭江
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Xiamen University
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Xiamen University
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Publication date
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Priority to CNB2007100094865A priority Critical patent/CN100513080C/en
Publication of CN101121250A publication Critical patent/CN101121250A/en
Application granted granted Critical
Publication of CN100513080C publication Critical patent/CN100513080C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A cup-shaped wheel dresser relates to a non-sphere processing grinding wheel; the wheel dresser provides a cup-shaped wheel dresser; the height and inclination of the wheel dresser are adjustable and the wheel dresser has the oscillating function. The wheel dresser is equipped with a base, an oscillating arm support saddle, an oscillating arm rotary shaft, a dressing grinding wheel, a grinding wheel panel, a main shaft, a main shaft band wheel box, servo motors, transmission mechanisms, a screw, a bolt, a supporting round stick, a triangle support saddle, runners and a numerically controlled system. The oscillating arm is equipped on the base and the oscillating arm base is connected with the oscillating arm rotary shaft. The grinding wheel is connected with the main shaft and the grinding wheel is installed on the main shaft; the main shaft is connected with the main shaft band wheel box; the first servo motor is connected with the main shaft by the first transmission mechanism and the second servo motor is connected with the oscillating arm rotary shaft by the second transmission mechanism. The bottom of the main shaft band wheel box is connected with the triangle support saddle and fixed on the triangle supported saddle; the bolt is equipped under the triangle support saddle and the triangle support saddle is connected with the oscillating arm; the screw is equipped on the oscillating arm and the triangle support saddle is linked with the lower end of the screw; the triangle support saddle and the oscillating arm are equipped with runners and the numerically controlled system is connected with the servo motors.

Description

Cup type grinding wheel trimming device
Technical field
The present invention relates to a kind ofly, especially relate to a kind of height and tilt adjustable, and have the special-purpose cup type grinding wheel trimming device of swing function the aspherical mirror machining emery wheel.
Background technology
At present, skive is adopted in the grinding of optical material usually.Be used for the difference of the aspheric skive of grinding, can be divided into: four kinds on flat-faced wheel, inclined-plane (round platform) emery wheel, arc diamond wheel and spherical emery wheel according to its peripheral cross-section shape.Grinding not only requires grinding accuracy, and requires grinding efficiency simultaneously, and emery wheel is as the critical component of grinding, and except the structure of itself, the correction method of its finished surface also is the key factor that influences the wheel grinding performance.The purpose of correction of the flank shape is to eliminate the form error and the blemish of emery wheel, makes emery wheel have geometrical precision accurately, in order to avoid produce vibration in grinding, causes uneven unequal cutting.Therefore to any grinding machine, the height of the quality of grinding wheel dressing directly affects the machining accuracy of part, and it is a key technology in the precision grinding machining.Nowadays, the accurate correction of the flank shape technology of superhard ultra micron skive has obtained the technology expert's of various countries great attention, and has developed and multiple practical approach.
In order to reach the requirement on machining accuracy of high accuracy aspherical lens, the profiling mode of selection skive will directly have influence on the machining accuracy and the surface quality of workpiece.Table 1 has been enumerated the profiling mode of several skives commonly used.Indexs such as the form accuracy that various profiling modes can reach in the contrast table 1, surface roughness and correction of the flank shape efficient can obtain for the skive with high-precision requirement.
The profiling mode of table 1 skive relatively
The correction of the flank shape type The workpiece form accuracy The workpiece roughness value State of the abrasive grain Correction of the flank shape efficient
Single-crystal diamond High Greatly Fragmentation is many High
The rotation diamond wheel In In In the fragmentation High
The comprehensive shaping In Little Good Low
The electric spark correction of the flank shape In In In the fragmentation In
ECD electrochemistry High Greatly Good High
The discharge correction of the flank shape In Little Good In
The cup-shaped emery wheel High Little Good Low
The laser correction of the flank shape High In Good In
The laser correction of the flank shape is as a kind of noncontact correction of the flank shape method, the effect of avoiding power with contact firmly, fusing and gasification mechanism based on heat, be undoubtedly rising correction of the flank shape technology, but need further carry out multi-faceted research in a deep going way, when adopting laser correction of the flank shape super-abrasive grinding wheel simultaneously, also exist many problems.If the laser dressing parameter is improper, bond and abrasive material will be removed simultaneously, wheel face is destroyed because of zanjon occurring, and the carbonization phenomenon of the influence of Stimulated Light spot diameter and diamond abrasive, the dressing of laser correction method incompatibility fine-granularity diamond emery wheel.With present technology maturation degree, the employing cup type grinding wheel trimming device carries out correction of the flank shape, dressing is more satisfactory working method, its combination property the best is (referring to document: Y.Keunieda, H.Matsuura, S.Kodama, N.Yoshihara, J.Yan, T.Kuriyagawa.Development of New Laser ConditioningMethod for Micro Aspherical Grinding, Proceeding of Conference on Jspe.2006,499).
The correction of the flank shape mechanism of cup-shaped grinding wheel dressing method is as follows: in the correction of the flank shape process, the abrasive particle that splits away off from the cup-shaped emery wheel produces the correction of the flank shape effect to the impact and the abrasive action of diamond abrasive grain and bond.The abrasive particle that splits away off is big more, and correction of the flank shape efficient is high more, and diamond surface is coarse more.Owing to rely on from the come off abrasive action of abrasive material and skive of cup-shaped emery wheel, during therefore to the correction of the flank shape of compact-type skive, get final product shaping, also dressing simultaneously, but the consume of correction of the flank shape instrument is seriously.Because the resistance during shaping is very little, therefore can obtain higher plastic precision.Adopt cup type grinding wheel trimming device correction of the flank shape super hard abrasive formed grinding wheel, its correction of the flank shape efficient and correction of the flank shape precision all than traditional formed grinding wheel correction method height (referring to document: 1, W.Ling, H.Omori, T.Yamada, et al.Studies on manufacture of long dimension X radial mirror[C] .Proceedings of Jspe, 2000, (10): 296; 2, village department gram is male, Zhou Libo, Tang Jianshe. the shaping of super-abrasive grinding wheel and dressing, manufacturing technology and lathe [J], 1993 (5): 14-18).But the correction of the flank shape mechanism of cup-shaped emery wheel mainly depends on grind etching off the remove effect of abrasive material to bond, so just cause the loss of dresser bigger, need with complicated special-purpose correction of the flank shape device, these effects limit its scope of application in precision and superfine grinding.
Summary of the invention
The objective of the invention is at the problems referred to above that have closing precision and correction of the flank shape quality to exist in the existing crushing, a kind of not only height and tilt adjustable are provided, and the cup type grinding wheel trimming device with swing function.
The present invention is provided with base, arm swing support, swing arm rotating shaft, swing arm, trimming wheel, emery wheel and connects dish, main shaft, main shaft belt wheel case, the 1st servomotor, the 1st transmission mechanism, the 2nd servomotor, the 2nd transmission mechanism, screw rod, bolt, support pole, triangle bearing, chute and digital control system.
Arm swing support is installed on the base, and arm swing support connects with the swing arm rotating shaft by bearing, interference fit between swing arm and the swing arm rotating shaft.Trimming wheel is located at emery wheel and is connect on the dish, emery wheel connects dish and is installed on the main shaft, main shaft connects by bearing with main shaft belt wheel case, and the 1st servomotor connects main shaft and drives trimming wheel through the 1st transmission mechanism and rotates, and the 2nd servomotor connects the swing arm rotating shaft and drives the swing arm swing through the 2nd transmission mechanism.
The underrun of main shaft belt wheel case is supported pole and is connected with the triangle bearing, main shaft belt wheel case is fixed on the triangle bearing, and bolt is located at triangle bearing below, can regulate the angle of inclination of main shaft belt wheel case and horizontal plane, with the finishing angle of control trimming wheel, triangle bearing side indicates angle index.The triangle bearing connects with swing arm by dovetail slideway, and screw rod is installed in the swing arm, and the triangle bearing connects with the screw rod lower end, and rotary screw can drive the triangle bearing and move up and down, thereby regulates the level height of triangle bearing.All have chute in triangle bearing and the swing arm, adjust the level height of triangle bearing after, utilize bolt to pass chute triangle bearing and swing arm be fixed up.
Digital control system is connected with the 1st servomotor, and rotates by the 1st transmission mechanism drive shaft, rotates thereby drive trimming wheel.Digital control system is connected with the 2nd servomotor, and drives the swing arm shaft swing by the 2nd transmission mechanism, thereby drives the swing arm swing.
Trimming wheel is preferably aclinal cup-shaped emery wheel, or inner conical cup-shaped emery wheel, or cylindrical taper cup-shaped emery wheel.
The pivot angle adjustable range of swing arm is-15~15 °.Triangle bearing tilt adjustment scope is 0~15 °.Triangle height of support adjustable range is 0~90mm.
The kind of drive of cup type grinding wheel trimming device is arc toothed synchronous band transmission, and cup type grinding wheel trimming device is the reciprocal feed motion of emery wheel rotation+trimmer swing+trimmer to the movement relation that the circular arc skive carries out correction of the flank shape.Cup type grinding wheel trimming device is when carrying out crushing to the circular arc skive, and the height that should regulate the triangle bearing makes the oscillation center line of the center line of the arc diamond wheel circular arc portion radius that is trimmed and swing arm rotating shaft on same straight line.
Trimming wheel can be bonded at emery wheel by epoxy resin and connect on the dish.Triangle bearing side can have screw hole, is used for fixing main shaft belt wheel case.The swing arm side preferably indicates the lifting scale.
During use, base is installed on the Grinder bench.
The present invention is owing to can realize that trimming wheel is with respect to all around of skive with move up and down, not only inclination angle and adjustable height, and has a function of swing, can improve dressing accuracy and dressing efficiency effectively, so the present invention can repair accurately and is used for the aspheric plane of grinding, inclined-plane (round platform), circular arc and spherical four kinds of skives.In addition, of the present invention simple in structure, small and light, powerful, can control by numerical control programming.
Description of drawings
Fig. 1 is structure master's pseudosection of the embodiment of the invention.
Fig. 2 is the structure top plan view of the embodiment of the invention.
Fig. 3 is the surface structure schematic diagram of the embodiment of the invention.
Fig. 4 is the structural representation of Fig. 3 after regulating height and inclination angle.
Fig. 5 is the structural representation of the aclinal cup-shaped emery wheel of the embodiment of the invention.
Fig. 6 is the structural representation of the inner ring taper cup-shaped emery wheel of the embodiment of the invention.
Fig. 7 is the structural representation of the outer ring taper cup-shaped emery wheel of the embodiment of the invention.
Fig. 8 is the finishing motion principle figure of the used cup-shaped emery wheel of the embodiment of the invention.
Fig. 9 is the perspective view of the embodiment of the invention.
Below provide the code name of each the main accessory in Fig. 1~9:
1. the 1st servomotor, 2. trimming wheel, 3. emery wheel connects dish, 4. main shaft, 5. main shaft belt wheel case, 6. bearing, 7. the 1st transmission mechanism 8. supports pole, 9. triangle bearing, 10. bolt, 11. swing arm rotating shafts, 12. bearings, 13. the 2nd transmission mechanism, 14. bearings, 15. screw rods, 16. swing arms, 17. chute, 18. bolts, 19. arm swing supports, 20. bases, 21. bolt, 22. the 2nd servomotors, 23. lifting scales, 24. angle indexs, 25. skives.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Referring to Fig. 1~4 and Fig. 9, the present invention is provided with base 20, arm swing support 19, swing arm rotating shaft 11, swing arm 16, trimming wheel 2, emery wheel and connects dish 3, main shaft 4, main shaft belt wheel case the 5, the 1st servomotor the 1, the 1st transmission mechanism the 7, the 2nd servomotor the 22, the 2nd transmission mechanism 13, screw rod 15, bolt (10,18 and 21), support pole 8, triangle bearing 9, chute 17 and digital control system.
Arm swing support 19 is installed on the base 20, and arm swing support 19 connects interference fit between swing arm 16 and the swing arm rotating shaft 11 by bearing 12,14 with swing arm rotating shaft 11.Trimming wheel 2 is located at emery wheel and is connect on the dish 3, emery wheel connects dish 3 and is installed on the main shaft 4, main shaft 4 connects by bearing 6 with main shaft belt wheel case 5, the 1st servomotor 1 connects main shaft 4 and drives trimming wheel 2 through the 1st transmission mechanism 7 and rotates, and the 2nd servomotor 22 connects swing arm rotating shaft 11 and drives swing arm 16 swings through the 2nd transmission mechanism 13.
The underrun of main shaft belt wheel case 5 is supported pole 8 and is connected with triangle bearing 9, main shaft belt wheel case 5 is fixed on the triangle bearing 9, bolt 10 is located at triangle bearing 9 belows, can regulate the angle of inclination of main shaft belt wheel case 5 and horizontal plane by bolt 10, with the finishing angle of control trimming wheel 2, triangle bearing 9 sides indicate angle index 24.Triangle bearing 9 connects with swing arm 16 by dovetail slideway, and screw rod 15 is installed in the swing arm 16, and triangle bearing 9 connects with screw rod 15 lower ends, and rotary screw 15 can drive triangle bearing 9 and move up and down, thereby regulates the level height of triangle bearing 9.All have chute 17 in triangle bearing 9 and the swing arm 16, adjust the level height of triangle bearing 9 after, utilize bolt 18 to pass chute 17 triangle bearing 9 and swing arm 16 be fixed up.
Digital control system is connected with the 1st servomotor 1, and rotates by the 1st transmission mechanism 7 drive shaft 4, takes turns rotation thereby drive finishing sand 2.Digital control system is connected with the 2nd servomotor 22 simultaneously, and drives swing arm rotating shaft 11 swings by the 2nd transmission mechanism 13, thereby drives swing arm 16 swings.
Trimming wheel 2 can adopt aclinal cup-shaped emery wheel (referring to Fig. 5), or inner conical cup-shaped emery wheel (referring to Fig. 6), or cylindrical taper cup-shaped emery wheel (referring to Fig. 7).
The pivot angle adjustable range of swing arm is-15~15 °.Triangle bearing tilt adjustment scope is 0~15 °.Triangle height of support adjustable range is 0~90mm.
Fig. 8 provides the finishing motion principle figure of the cup-shaped emery wheel of the embodiment of the invention at the circular arc skive.The kind of drive of the present invention adopts arc toothed synchronous band transmission, circular arc skive 25 is carried out the reciprocal longitudinal feed campaign of movement relation emery wheel rotation+trimmer swing+trimmer of correction of the flank shape.In the correction of the flank shape process, be trimmed circular arc skive 25 and rotate around grinding wheel spindle, cup-shaped emery wheel 2 carries out rotatablely moving of reciprocal longitudinal feed campaign, oscillating motion and self simultaneously, and oscillating motion is the center of circle with oscillation center O.When adopting the present invention that circular arc skive 25 is carried out crushing, the height that should regulate the triangle bearing makes the oscillation center line O of the center line of the arc diamond wheel circular arc portion radius that is trimmed and swing arm rotating shaft on same straight line.
Trimming wheel can be bonded at emery wheel by epoxy resin and connect on the dish.Triangle bearing side can have screw hole, is used for fixing main shaft belt wheel case.The swing arm side preferably indicates the lifting scale.
During use, base is installed on the Grinder bench.
In cup type grinding wheel trimming device of the present invention, base is installed on the Grinder bench, because Grinder bench can move leftwards and rightwards as x at grinder bed, skive can do that z moves forwards, backwards and y moves up and down at grinder bed.Therefore, trimmer base itself can have been realized being x with respect to emery wheel, z, the y axle, promptly all around and move up and down, because of trimmer has the swing function again, so cup type grinding wheel trimming device of the present invention can be realized doing three shifting axles and a turning cylinder promptly around the function of x axle rotation with respect to the boart boart wheel surface.
The job step of dresser: at first regulate the angle of inclination of main shaft belt wheel case and horizontal plane, general inclination angle is 10 °.When using inner conical cup-shaped emery wheel or cylindrical taper cup-shaped emery wheel to repair, the inclination angle is 0 °.Adjusting the back is fixed together triangle bearing and main shaft belt wheel case with bolt.Next adjust the level height of triangle bearing, when the circular arc skive was carried out crushing, the height that should regulate the triangle bearing made the oscillation center line of the center line of the arc diamond wheel circular arc portion radius that is trimmed and swing arm rotating shaft on same straight line.After adjusting the level height of triangle bearing, utilize bolt to pass chute triangle bearing and swing arm are fixed up.

Claims (7)

1. cup type grinding wheel trimming device is characterized in that being provided with base, arm swing support, swing arm rotating shaft, swing arm, trimming wheel, emery wheel and connects dish, main shaft, main shaft belt wheel case, the 1st servomotor, the 1st transmission mechanism, the 2nd servomotor, the 2nd transmission mechanism, screw rod, bolt, support pole, triangle bearing, chute and digital control system; Arm swing support is installed on the base, and arm swing support connects with the swing arm rotating shaft by bearing, interference fit between swing arm and the swing arm rotating shaft; Trimming wheel is located at emery wheel and is connect on the dish, emery wheel connects dish and is installed on the main shaft, main shaft connects by bearing with main shaft belt wheel case, and the 1st servomotor connects main shaft and drives trimming wheel through the 1st transmission mechanism and rotates, and the 2nd servomotor connects the swing arm rotating shaft and drives the swing arm swing through the 2nd transmission mechanism; The underrun of main shaft belt wheel case is supported pole and is connected with the triangle bearing, main shaft belt wheel case is fixed on the triangle bearing, and bolt is located at triangle bearing below, can regulate the angle of inclination of main shaft belt wheel case and horizontal plane, with the finishing angle of control trimming wheel, triangle bearing side indicates angle index; The triangle bearing connects with swing arm by dovetail slideway, and screw rod is installed in the swing arm, and the triangle bearing connects with the screw rod lower end, and rotary screw can drive the triangle bearing and move up and down, thereby regulates the level height of triangle bearing; All have chute in triangle bearing and the swing arm; Digital control system is connected with the 1st servomotor, and rotates by the 1st transmission mechanism drive shaft, drives trimming wheel and rotates; Digital control system is connected with the 2nd servomotor, and drives the swing arm shaft swing by the 2nd transmission mechanism, drives the swing arm swing.
2. cup type grinding wheel trimming device as claimed in claim 1 is characterized in that trimming wheel is an aclinal cup-shaped emery wheel, or inner conical cup-shaped emery wheel, or cylindrical taper cup-shaped emery wheel.
3. cup type grinding wheel trimming device as claimed in claim 1 is characterized in that the pivot angle adjustable range of swing arm is-15~15 °.
4. cup type grinding wheel trimming device as claimed in claim 1 is characterized in that triangle height of support adjustable range is 0~90mm.
5. cup type grinding wheel trimming device as claimed in claim 1 is characterized in that trimming wheel is bonded at emery wheel by epoxy resin and connects on the dish.
6. cup type grinding wheel trimming device as claimed in claim 1 is characterized in that triangle bearing side has screw hole.
7. cup type grinding wheel trimming device as claimed in claim 1 is characterized in that the swing arm side indicates the lifting scale.
CNB2007100094865A 2007-09-05 2007-09-05 Cup type grinding wheel trimming device Expired - Fee Related CN100513080C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100094865A CN100513080C (en) 2007-09-05 2007-09-05 Cup type grinding wheel trimming device

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Application Number Priority Date Filing Date Title
CNB2007100094865A CN100513080C (en) 2007-09-05 2007-09-05 Cup type grinding wheel trimming device

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CN101121250A CN101121250A (en) 2008-02-13
CN100513080C true CN100513080C (en) 2009-07-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102794691A (en) * 2012-08-29 2012-11-28 厦门大学 Four-axis numerical-control device for grinding curved surface

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CN101972963B (en) * 2010-11-18 2012-10-31 上海交通大学 Method for precisely grinding large-scale special type curved surface and grinding equipment thereof
CN103128663B (en) * 2013-02-01 2015-09-23 厦门大学 Air bag polishing tool trimmer
CN104476400B (en) * 2014-10-30 2017-01-11 内蒙古中环光伏材料有限公司 Method for quickly dressing grinding wheel
CN104842274B (en) * 2015-04-15 2018-03-09 北京兴华机械厂 A kind of compound trimmer of super-abrasive grinding wheel cup emery wheel electric spark
CN105563332B (en) * 2015-12-16 2018-04-03 郑州磨料磨具磨削研究所有限公司 A kind of compound trimming device
CN105817968B (en) * 2016-06-07 2017-08-08 厦门大学 Crushing and optical element edge polisher
CN107297691B (en) * 2017-08-16 2019-12-03 中国工程物理研究院激光聚变研究中心 The dressing method of the parallel skive compound cross-section profile of optical manufacturing

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CN102794691A (en) * 2012-08-29 2012-11-28 厦门大学 Four-axis numerical-control device for grinding curved surface

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