CN102672576B - Method for grinding spherical surface of workpiece - Google Patents
Method for grinding spherical surface of workpiece Download PDFInfo
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- CN102672576B CN102672576B CN201110422453.XA CN201110422453A CN102672576B CN 102672576 B CN102672576 B CN 102672576B CN 201110422453 A CN201110422453 A CN 201110422453A CN 102672576 B CN102672576 B CN 102672576B
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Abstract
The invention discloses a method for grinding the spherical surface of a workpiece. According to the method, the workpiece is coaxially and fixedly arranged at the clamping end of a clamping rotating shaft, so that the spherical center of the spherical surface to be machined on the workpiece is coincided with the revolving center of a revolving mechanism; during grinding, the clamping rotating shaft is driven by the revolving mechanism to do centering swing around the revolving center of the revolving mechanism, and the clamping rotating shaft is driven by a rotating shaft driving mechanism to drive the workpiece to rotate around the revolving central axis of the clamping rotating shaft; and a grinding wheel rotates around the revolving central axis of the grinding wheel, and a grinding working surface of the grinding wheel contacts the outer peripheral surface of the spherical surface to be machined on the workpiece to grind the workpiece. By the method, grinding errors are reduced effectively, and grinding accuracy is improved. In addition, the method for grinding the spherical surface is safe, reliable, simple, convenient, high in grinding efficiency and low in machining cost, and has high application value.
Description
Technical field
The invention belongs to Grinding Technology field, be specifically related to a kind of method for carrying out grinding spherical processing to the end of workpiece or local.
Background technology
The grinding ratio plane of workpiece end or partial sphere and the grinding difficulty on the face of cylinder much higher, when particularly requiring higher to the grinding accuracy of sphere, difficulty is larger.And adopt hand grinding labour intensity large, waste time and energy, grinding accuracy is low, is not suitable for batch production.
Be disclose a kind of method for grinding and grinding attachment in the application for a patent for invention prospectus of CN1810446A at publication number, this method for grinding mainly utilizes the end sphere of the semi arch bottom the High Rotation Speed of workpiece end and cup wheel to workpiece to carry out grinding, this method for grinding can not continuous setup to workpiece end grinding radius, and the abrasive particle after grinding is present in cup wheel inside will affect the grinding accuracy of device.
Be disclose a kind of high-rigidity turning spherical surface numerical control accurate grinding equipment in the application for a patent for invention prospectus of CN101172330A at publication number, lathe bed parts are equipped with spindle box part, tailstock parts and emery wheel reversing frame worktable part, grinding carriage rotary table parts are supported on arc guide rail and annulus guide rail, and are moved reciprocatingly by worm screw and fan-shaped turbine under the driving of fixed axis at servomotor; To be driven by feed screw nut pair by servomotor and the grinding carriage slide line slideway on grinding carriage rotary table does straight-line feed move; The emery wheel grinding tool be made up of emery wheel grinding tool dish and emery wheel block is directly connected with electro spindle by connecting axle.Realized by a kind of emery wheel grinding tool grinding difference of the diameter object by the high-hardness revolving sphere workpiece of diameter by the reciprocating motion of the high speed rotary motion of emery wheel, the rotary motion of revolving sphere workpiece, the feed motion of grinding carriage and grinding carriage.Be the Ginding process and the grinder that disclose a kind of spherical surface of columnar workpiece in the application for a patent for invention Publication Specification of CN101642888A at publication number, the method is put by the centering angle of grinding head and workpiece sphere to revolve, the movement locus of grinding head is made to form the cambered surface corresponding with workpiece spherical radius, and by grinding head and the counter-rotating each other of workpiece sphere, to complete the attrition process to workpiece end sphere.
But above-mentioned grinding equipment or grinder are all carry out the system reform, complicated integral structure on existing lathe, expensive, maintenance difficult, and can not realize the continuously adjustable grinding requirement of workpiece end spherical radius.Above-mentioned equipment for grinding or grinder are applicable to the hemispherical attrition process of corynebacterium workpiece end more simultaneously, cannot meet long rod-shaped workpiece end contouring and the postwelding contouring process of flexible axle end.
Summary of the invention
The object of the present invention is to provide a kind of workpiece contouring method, during to solve spherical grinding of the prior art, grinding efficiency is poor, grinding accuracy is low or contouring needs the technical problem carrying out transforming on existing lathe.
Workpiece abrading-ball method provided by the present invention adopts following technical scheme: a kind of workpiece contouring method, by on the bare terminal end being fixedly mounted on clamping rotating shaft coaxial for workpiece, the centre of sphere of sphere to be processed and the centre of gyration of slew gear on workpiece are coincided, during grinding, drive the centre of gyration of clamping rotating shaft wraparound rotation mechanism to do centering by slew gear to swing, simultaneously, clamping rotating shaft is driven to drive workpiece to rotate around self centre of gyration axis of clamping rotating shaft by rotating shaft driving mechanism, emery wheel rotates around self centre of gyration axis, then the grinding working face of emery wheel is made to contact with grinding work piece with the outer peripheral face of sphere to be processed on workpiece, wherein, the contouring device that described contouring method adopts comprise with the use of grinding carriage and hold assembly for holding workpiece, grinding carriage is equipped with emery wheel, described hold assembly comprises the clamping rotating shaft for holding workpiece, for workpiece being fixed on the bare terminal end in clamping rotating shaft when one end of clamping rotating shaft is use, clamping rotating shaft is driven around self centre of gyration axis rotation by rotating shaft driving mechanism, described contouring device also comprises slew gear, this slew gear drives clamping rotating shaft to do centering swing around the centre of gyration of described slew gear, described emery wheel is positioned near the centre of gyration of described slew gear, and the swinging plane that self centre of gyration axis that self centre of gyration axis of emery wheel is positioned at clamping rotating shaft is formed when clamping rotating shaft and doing centering swing.
Described slew gear comprises default arc orbit, the slide block reciprocatingly slided is equipped with in arc orbit, the center of circle of arc orbit is the centre of gyration of described slew gear, clamping axis of rotation is arranged on slide block, clamping rotating shaft has the department of assembly be rotatably assorted with slide block, described slew gear also comprises the slider-actuated mechanism for driving described skid, before workpiece being fixed in clamping rotating shaft, the adjustable track in adjusting device is utilized to regulate the center of circle of arc orbit to the distance of the grinding working face of emery wheel according to the radius of sphere to be processed, the center of circle of arc orbit is made to equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel, after adjustment completes, the locking mechanism in adjusting device is utilized to be locked on the table by grinding carriage, wherein, described adjusting device comprises propping sand wheel carrier workbench, described grinding carriage workbench is continuously adjustable to be slidedly assemblied on adjustable track, this adjustable track extends along the bearing of trend of the line in described arc orbit center and the arc orbit center of circle, be also provided with on the table when grinding carriage adjust to make the arc orbit center of circle equal the position of spherical radius to be processed to the distance of wheel grinding working face after for the locking mechanism of the grinding carriage that is locked.
Slider-actuated mechanism in described contouring device is toggle, toggle comprises crank and the connecting rod of be in transmission connection crank and described slide block, crank and/or connecting rod are the adjustable ultrasonic transformer of axial length, while the distance in the center of circle to the grinding working face of emery wheel that regulate arc orbit, require that the axial length by adjustment crank and/or connecting rod adjusts the extreme position of slide block and clamping rotating shaft centering swing according to the outer peripheral face grinding-shaping of sphere to be processed.
The lateral surface of described arc orbit is provided with the outer baffle deviate from for anti-limited slip block.
The bare terminal end of described clamping rotating shaft for ease of the hollow-core construction of plug-in mounting workpiece, for the chuck of fixation workpiece when the bare terminal end of hollow-core construction is equipped with use.
Described rotating shaft drives structure comprises the drive motors be installed on slide block, and drive motors drives described clamping rotating shaft to rotate around self centre of gyration axis by transmission mechanism.
The invention has the beneficial effects as follows: workpiece contouring method provided by the present invention is by the bare terminal end being fixed on clamping rotating shaft coaxial for workpiece, the centre of sphere of sphere to be processed and the centre of gyration of slew gear of workpiece coincide, during grinding, drive the centre of gyration of clamping rotating shaft wraparound rotation mechanism to do centering by slew gear to swing, simultaneously, clamping rotating shaft is driven to drive workpiece to rotate around self centre of gyration axis of clamping rotating shaft by rotating shaft driving mechanism, emery wheel rotates around self centre of gyration axis, then the grinding working face of emery wheel is made to contact with grinding work piece with the outer peripheral face of sphere to be processed on workpiece, thus obtain the camber line of sphere to be processed on workpiece.The swinging plane that self centre of gyration axis of the contouring device medium plain emery wheel that contouring method provided by the present invention adopts and the centre of gyration axis of workpiece are formed when being all positioned at self centre of gyration axis oscillating in clamping rotating shaft, can Grinding Error be reduced like this, improve grinding accuracy.And contouring method safety provided by the present invention is reliable, simple and convenient, and grinding efficiency is high, and processing cost is lower, has higher using value.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of contouring device that workpiece contouring method provided by the present invention uses;
Fig. 2 is the part-structure schematic diagram of the slider-actuated mechanism in the contouring device shown in Fig. 1;
Fig. 3 is the part-structure schematic diagram of the clamping rotating shaft in the contouring device shown in Fig. 1;
Fig. 4 is the part-structure schematic diagram of the adjusting device in the contouring device shown in Fig. 1.
Detailed description of the invention
The method of contouring provided by the present invention adopts the contouring device in embodiment as shown in Figures 1 to 4, this workpiece contouring method utilizes chuck 14 by the bare terminal end 61 being fixedly mounted on clamping rotating shaft 6 coaxial for workpiece 7, the centre of sphere of sphere to be processed and the centre of gyration of slew gear on workpiece 7 are coincided, during grinding, drive the centre of gyration of clamping rotating shaft 6 wraparound rotation mechanism to do centering by slew gear to swing, clamping rotating shaft 6 drives workpiece 7 to do centering swing around the centre of gyration of described slew gear, simultaneously, clamping rotating shaft 6 is driven to drive workpiece 7 to rotate around self centre of gyration axis of clamping rotating shaft 6 by rotating shaft driving mechanism, emery wheel 3 wraparound turns center axis thereof, then the grinding working face of emery wheel 3 is made to contact with the outer peripheral face of sphere to be processed on workpiece with grinding work piece.
Carry out contouring when adopting the contouring device in the contouring method shown in Fig. 1 and add man-hour, the center of circle o of arc orbit 4 is the centre of gyration of revolving structure, during grinding, slide block 5 is driven to reciprocatingly slide along arc orbit 4 by slider-actuated mechanism, slide block 5 drives workpiece 7 to do centering around the center of circle o of described arc orbit by clamping rotating shaft 6 and swings, simultaneously, clamping rotating shaft 6 is driven to drive workpiece 7 to rotate around self centre of gyration axis of clamping rotating shaft by rotating shaft driving mechanism, emery wheel 3 wraparound turns center axis thereof, then the grinding working face of emery wheel 3 is made to contact with the outer peripheral face of sphere to be processed on workpiece with grinding work piece.
Preferably, the method provided in the present embodiment by trade union college clamping rotating shaft 6 before, the adjustable track 16 in adjusting device can be utilized to regulate the center of circle of arc orbit 4 to the distance of the grinding working face of emery wheel 3 according to the radius of sphere to be processed, the center of circle of arc orbit 4 is made to equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel 3, after adjustment completes, the locking mechanism 17 in adjusting device is utilized to be locked on the table by grinding carriage, while the distance in the center of circle to the grinding working face of emery wheel 3 that regulate arc orbit, require to adjust slide block 5 by the axial length of adjustment crank and/or connecting rod and clamp the extreme position of rotating shaft 6 centering swing according to the outer peripheral face grinding-shaping of sphere to be processed.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, workpiece grinding spherical device comprises workbench 15, workbench 15 is supported with grinding carriage and the hold assembly for holding workpiece 7, hold assembly comprises the clamping rotating shaft 6 for holding workpiece, clamping rotating shaft 6 is for workpiece being fixed on the bare terminal end clamped in rotating shaft towards one end of emery wheel, clamping rotating shaft is driven around self centre of gyration axis rotation by rotating shaft driving mechanism, described contouring device also comprises slew gear, slew gear drives clamping rotating shaft to do centering swing around the centre of gyration of described slew gear, grinding carriage is provided with emery wheel 3, emery wheel 3 is positioned near the centre of gyration of described slew gear, and the swinging plane that self centre of gyration axis that the centre of gyration axis of emery wheel 3 is positioned at clamping rotating shaft 6 is formed when clamping rotating shaft 6 and doing centering swing.
Slew gear in the present embodiment comprises the arc orbit 4 be installed in advance above workbench, the center of circle of arc orbit 4 is the centre of gyration of described slew gear, slidable fit reciprocal in arc orbit 4 has slide block 5, this slide block 5 is the suitable arc shaped slider of contour structures and arc track, for anti-limited slip block 5 is deviate from from arc orbit 4, the lateral surface of arc orbit 4 is also provided with outer baffle 10, slide block 5 in arc orbit 4 is driven by slider-actuated mechanism and reciprocatingly slides in arc orbit 4, slider-actuated mechanism in the present embodiment is toggle, toggle comprises the connecting rod 2 being driven the crank 1 of rotation and be in transmission connection crank and described slide block by servomotor 8 by reductor 9, crank 1 herein and/or connecting rod 2 are the adjustable ultrasonic transformer of axial length.Clamping rotating shaft 6 in described hold assembly extends along arc orbit 4 radial direction, clamping rotating shaft 6 is rotatably installed on slide block, clamping rotating shaft 6 is done centering around the center of circle o of described arc orbit 4 and the centre of gyration of slew gear and is swung under slide block 5 drives, clamping rotating shaft 6 is rotated and is assemblied on slide block 5, but clamping rotating shaft 6 axially and between slide block 5 without relative motion.Clamping rotating shaft 6 has the department of assembly 62 rotating and be assemblied on slide block, clamping rotating shaft is for workpiece 7 being coaxially fixed on the bare terminal end 61 in clamping rotating shaft towards one end of grinding carriage when using, the bare terminal end 61 of clamping rotating shaft is less than the radius of arc orbit 4 along the radial distance to arc orbit 4 center camber line of arc orbit 4, the department of assembly 62 of the clamping rotating shaft 6 in the present embodiment is rotated by bearing arrangement 15 and is assemblied on slide block 5, clamping rotating shaft 6 is driven by rotating shaft drives structure and rotates, rotating shaft driving mechanism comprises the drive motors 12 be installed on slide block 5, drive motors drives clamping rotating shaft 6 to rotate around self centre of gyration axis by belt gear 13, clamping rotating shaft 6 in the present embodiment is for ease of the hollow shaft of plug-in mounting workpiece, the chuck 14 be fixed in clamping rotating shaft workpiece is coaxial when the bare terminal end accommodating rotating shaft is equipped with use.Grinding carriage is equipped with emery wheel 3, and emery wheel 3 is positioned at the close beneath of arc orbit 4 center of circle o, and the centre of gyration of emery wheel 3 is positioned at the swinging plane of clamping rotating shaft self centre of gyration axis.
The contouring device used by contouring method in above-described embodiment also comprises the adjusting device of the spacing regulating the center of circle of arc orbit 4 and the grinding working face of emery wheel 3 according to the radius of sphere to be processed, adjusting device comprises the workbench 15 of propping sand wheel carrier and hold assembly, adjustable track 16 is installed on the table, grinding carriage is continuously adjustable to be slidedly assemblied on adjustable track 16, this adjustable track 16 extends along the bearing of trend of the line in described arc orbit 4 center and arc orbit 4 center of circle, also be provided with on the table when grinding carriage adjust to make the arc orbit center of circle equal the position of spherical radius to be processed to the distance of wheel grinding working face after for the locking mechanism 17 of the grinding carriage that is locked.
Locking mechanism in above-described embodiment can adopt screw thread self-locking of the prior art or worm and gear self-locking, or adopts the servo positioning system as driven by servomotor, namely can by positioning instant after grinding carriage moves into place along adjustable track as long as can realize.
When using the to be processed sphere of contouring processing unit (plant) to workpiece in above-described embodiment to carry out grinding, the adjustable track 16 in adjusting device is utilized to regulate the center of circle of arc orbit 4 to the distance of the grinding working face of emery wheel 3 according to the radius of sphere to be processed, the center of circle o of arc orbit 4 is made to equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel 3, after adjustment completes, the locking mechanism 17 in adjusting device is utilized to be locked by grinding carriage on workbench 15, while the distance in the center of circle to the grinding working face of emery wheel 3 that regulate arc orbit 4, require to adjust slide block 3 by the axial length of adjustment crank 1 and/or connecting rod 2 and clamp the extreme position of rotating shaft 6 centering swing according to the outer peripheral face grinding-shaping of sphere to be processed, then workpiece 7 is fixed in clamping rotating shaft 6 by chuck 14, the centre of sphere of sphere to be processed on workpiece 7 is coincided with the center of circle of the arc orbit 4 at clamping rotating shaft 6 place, during grinding, slide block 5 is driven to reciprocatingly slide along arc orbit 4 by slider-actuated mechanism, slide block 5 drives workpiece to do centering around the center of circle o of described arc orbit 4 by clamping rotating shaft 6 and swings, simultaneously, clamping rotating shaft 6 is driven to drive workpiece 7 to rotate around self centre of gyration axis of clamping rotating shaft 6 by rotating shaft driving mechanism, emery wheel 3 wraparound turns center axis thereof, then the grinding working face of emery wheel 3 is made to contact with the outer peripheral face of sphere to be processed on workpiece 7 with grinding work piece.
Slew gear in above-described embodiment adopts arc orbit structure, in other embodiments, also other slew gear forms can be adopted, as adopted turntable structure, the center of rotating disk is the centre of gyration of described slew gear, the centre bore for placing emery wheel is offered in the center of rotation of rotating disk, position away from centre bore on the side of rotating disk is installed with locating piece, this locating piece is equivalent to the slide block in above-described embodiment, clamping axis of rotation in described hold assembly is arranged on locating piece, when rotating under the driving of rotating disk at servomotor, rotating disk drives clamping rotating shaft wraparound to turn center axis thereof by locating piece, now, locating piece can be arranged on for driving the rotating shaft drive unit of clamping rotating shaft rotation, also can be arranged on rotating disk, when clamping rotating shaft is around self centre of gyration axis time rotational, revolve round the sun around the centre of gyration under the driving of rotating disk, when wheel grinding working face contacts with workpiece, complete the grinding of the sphere to be processed to workpiece.
In above-described embodiment, contouring device comprises the adjusting device that can regulate continuously according to the requirement of sphere to be processed, in other embodiments, also can remove adjusting device, but contouring device is now only applicable to the sphere processing a kind of radii fixus, application orientation is less.And if increase adjusting device in contouring device after, contouring device can be made to process the sphere to be processed of different radii size, effectively expand the range of work of contouring device.
As shown in Figure 4, slide block 5 in above-described embodiment reciprocatingly slides in arc orbit 4, according to the own characteristic of toggle, the two limit positions that slide block 5 slides is there is in arc orbit, and for contouring device, the two limit positions of arc orbit 4 top shoe 5 movement will affect the shaping of sphere to be processed on workpiece, two limit positions distance on arc orbit 4 is far away, the outer peripheral face shaping area of the sphere to be processed on workpiece is larger, two limit positions distance on arc orbit 4 is nearer, the outer peripheral face shaping area of the sphere to be processed on workpiece is just less.And the distance of the extreme position of arc orbit 4 on arc orbit 4 is decided by the length of crank 1 and connecting rod 2 in radius one timing of arc orbit 4, so crank 1 and connecting rod 2 can be designed to the adjustable ultrasonic transformer of axial length, need according to actual conditions the length regulating ultrasonic transformer, ensure that the form grinding meeting sphere to be processed requires.In other embodiments, also can only bent axle 1 be designed to ultrasonic transformer or connecting rod 2 is designed to ultrasonic transformer structure.
Slider-actuated mechanism in above-described embodiment is toggle, and in other embodiments, slider-actuated mechanism can adopt other structure, as sprocket drive, this sprocket drive comprises arc orbit is provided with and is positioned at the inner side of slide block or the chain drive-belt in outside, chain drive-belt is driven by the sprocket wheel of driven by servomotor, slide block is fixedly connected on chain, the lead directive wheel that coordinate corresponding with arc orbit is equipped with at the opposite side of slide block, when driven by servomotor sprocket rotation, chain drive-belt band movable slider moves back and forth in arc orbit, when adopting chain drive mechanism, slide block is determined by the moving range of chain at the two limit positions of arc orbit, the moving range of chain is then determined by the working time of servomotor, now, can by adjust rotating working time of servomotor to realize the two limit positions of slide block in arc orbit between adjustment.Certainly, other driving mechanism can also be adopted to the slip driving slide block reciprocal in arc orbit, ensure that centering swing is done in the clamping rotating shaft on slide block around the arc orbit center of circle, afterwards realize by trade union college clamping rotating shaft bare terminal end on after, workpiece does centering and swings around the center of circle of arc orbit, ensure that the grinding working face of emery wheel is to the grinding of sphere to be processed.
Rotating shaft driving mechanism in above-described embodiment adopts belt transmission between drive motors and clamping rotating shaft, in other embodiments, can also adopt other the mode that is in transmission connection, as gear drive or Chain conveyer between drive motors and clamping rotating shaft.Certainly, in other embodiments, drive motors also can not be arranged on slide block, and is arranged on on the external device of slide block synchronous slide, certainly preferably or is directly installed on slide block.
Emery wheel in above-described embodiment is positioned at below the center of circle of arc orbit, in other embodiments, the center of circle being arranged on arc orbit is neighbouring, the side in the center of circle of arc orbit can be arranged on, if ensure the center of circle of arc orbit to emery wheel grinding working face between distance equal the radius of sphere to be processed.
In the above-described embodiments, the sense of rotation of emery wheel can be consistent with the sense of rotation of clamping rotating shaft, also can be contrary, otherwise affect normal grinding.
Clamping rotating shaft in above-described embodiment is hollow shaft, and bar-shaped workpiece can directly be inserted in clamping rotating shaft, then by coaxial being fixed in clamping rotating shaft of the chuck being assemblied in bare terminal end.In other embodiments, the fixed form of other structures can be adopted to be fixed on by workpiece in clamping rotating shaft, as the bare terminal end of clamping rotating shaft is designed to the structure clamping flap, and be set with retaining ring on the periphery of clamping lobe, coaxial for workpiece can be fixed in clamping rotating shaft equally.
In above-described embodiment, for ease of the rod-shaped workpiece that processing axial length is longer, clamping pivot design is become hollow shaft structure, in other embodiments, when the workpiece not needing processing length longer, also can only in the bare terminal end design hollow-core construction of clamping rotating shaft.If workpiece is less, solid clamping rotating shaft can be adopted, and only piece-holder is arranged on chuck.
The department of assembly of the clamping rotating shaft in above-described embodiment is positioned at the adjacent one end away from emery wheel of clamping rotating shaft, and in other embodiments, the department of assembly of clamping rotating shaft also can be arranged on the middle part of clamping rotating shaft or the adjacent one end near emery wheel.
Claims (4)
1. a workpiece contouring method, it is characterized in that: by the bare terminal end being fixedly mounted on clamping rotating shaft coaxial for workpiece, the centre of sphere of sphere to be processed and the centre of gyration of slew gear on workpiece are coincided, during grinding, drive the centre of gyration of clamping rotating shaft wraparound rotation mechanism to do centering by slew gear to swing, simultaneously, clamping rotating shaft is driven to drive workpiece to rotate around self centre of gyration axis of clamping rotating shaft by rotating shaft driving mechanism, emery wheel rotates around self centre of gyration axis, then the grinding working face of emery wheel is made to contact with grinding work piece with the outer peripheral face of sphere to be processed on workpiece, obtain the camber line of sphere to be processed on workpiece,
Wherein, the contouring device that described contouring method adopts comprise with the use of grinding carriage and hold assembly for holding workpiece, grinding carriage is equipped with emery wheel, described hold assembly comprises the clamping rotating shaft for holding workpiece, for workpiece being fixed on the bare terminal end in clamping rotating shaft when one end of clamping rotating shaft is use, clamping rotating shaft is driven around self centre of gyration axis rotation by rotating shaft driving mechanism, described contouring device also comprises slew gear, this slew gear drives clamping rotating shaft to do centering swing around the centre of gyration of described slew gear, described emery wheel is positioned near the centre of gyration of described slew gear, and the swinging plane that self centre of gyration axis that self centre of gyration axis of emery wheel is positioned at clamping rotating shaft is formed when clamping rotating shaft and doing centering swing,
Described slew gear comprises default arc orbit, the slide block reciprocatingly slided is equipped with in arc orbit, described slide block is the suitable arc shaped slider of contour structures and arc track, the center of circle of arc orbit is the centre of gyration of described slew gear, clamping axis of rotation is arranged on slide block, clamping rotating shaft has the department of assembly be rotatably assorted with slide block, slide block drives workpiece to do centering around the center of circle of described arc orbit by clamping rotating shaft and swings, the bare terminal end of clamping rotating shaft is less than the radius of arc orbit along the radial distance to arc orbit center camber line of arc orbit, described slew gear also comprises the slider-actuated mechanism for driving described skid, before workpiece being fixed in clamping rotating shaft, the adjustable track in adjusting device is utilized to regulate the center of circle of arc orbit to the distance of the grinding working face of emery wheel according to the radius of sphere to be processed, the center of circle of arc orbit is made to equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel, after adjustment completes, the locking mechanism in adjusting device is utilized to be locked on the table by grinding carriage,
Wherein, described adjusting device comprises propping sand wheel carrier workbench, described grinding carriage workbench is continuously adjustable to be slidedly assemblied on adjustable track, this adjustable track extends along the bearing of trend of the line in described arc orbit center and the arc orbit center of circle, be also provided with on the table when grinding carriage adjust to make the arc orbit center of circle equal the position of spherical radius to be processed to the distance of wheel grinding working face after for the locking mechanism of the grinding carriage that is locked;
Slider-actuated mechanism in described contouring device is toggle, toggle comprises crank and the connecting rod of be in transmission connection crank and described slide block, crank and/or connecting rod are the adjustable ultrasonic transformer of axial length, while the distance in the center of circle to the grinding working face of emery wheel that regulate arc orbit, require that the axial length by adjustment crank and/or connecting rod adjusts the extreme position of slide block and clamping rotating shaft centering swing according to the outer peripheral face grinding-shaping of sphere to be processed.
2. according to the workpiece contouring method described in claim 1, it is characterized in that: the lateral surface of described arc orbit is provided with the outer baffle deviate from for anti-limited slip block.
3. workpiece contouring method according to claim 2, is characterized in that: the bare terminal end of described clamping rotating shaft for ease of the hollow-core construction of plug-in mounting workpiece, for the chuck of fixation workpiece when the bare terminal end of hollow-core construction is equipped with use.
4. workpiece contouring method according to claim 2, is characterized in that: described rotating shaft driving mechanism comprises the drive motors be installed on slide block, and drive motors drives described clamping rotating shaft to rotate around self centre of gyration axis by transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422453.XA CN102672576B (en) | 2011-12-16 | 2011-12-16 | Method for grinding spherical surface of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422453.XA CN102672576B (en) | 2011-12-16 | 2011-12-16 | Method for grinding spherical surface of workpiece |
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| CN102672576A CN102672576A (en) | 2012-09-19 |
| CN102672576B true CN102672576B (en) | 2015-07-15 |
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| CN201110422453.XA Expired - Fee Related CN102672576B (en) | 2011-12-16 | 2011-12-16 | Method for grinding spherical surface of workpiece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107097114A (en) * | 2017-07-06 | 2017-08-29 | 张家港博洋机械制造有限公司 | A kind of fully-automatic chamfering machine |
| CN107584399B (en) * | 2017-08-30 | 2020-09-01 | 凯茂科技(深圳)有限公司 | Polishing equipment |
| CN108436674A (en) * | 2018-05-08 | 2018-08-24 | 中核(天津)科技发展有限公司 | Abnormal workpieces self-adjusting grinding attachment and method for grinding |
| CN111391030A (en) * | 2020-04-01 | 2020-07-10 | 贺燕花 | Intelligent wood cutting machine capable of stably cutting different sizes based on reciprocating motion |
| CN114367900B (en) * | 2021-10-28 | 2023-09-22 | 中国航发西安动力控制科技有限公司 | Device and method for grinding end spherical surface of shaft part |
| CN114473839B (en) * | 2022-01-09 | 2023-04-07 | 华能澜沧江水电股份有限公司 | Grinding device for carbon brush of excitation collecting ring of hydroelectric generating set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2073345U (en) * | 1989-06-10 | 1991-03-20 | 王学礼 | Machine tool for grinding ceramic |
| CN1064291C (en) * | 1997-08-14 | 2001-04-11 | 长春光学精密机械学院 | Trace forming process and equipment for spherical parts |
| JP4006094B2 (en) * | 1998-05-20 | 2007-11-14 | トーヨーエイテック株式会社 | Groove grinding method and apparatus |
| CN2401315Y (en) * | 1999-10-29 | 2000-10-18 | 彭平丰 | Curved surface grinding machine |
| CN2792703Y (en) * | 2005-04-27 | 2006-07-05 | 黎升祥 | Conical roller spherical grinding machine with end face |
| CN1326651C (en) * | 2005-06-13 | 2007-07-18 | 长春理工大学 | Method and apparatus for processing non-spherical surface by using cutter oscillation |
| CN2917978Y (en) * | 2006-06-19 | 2007-07-04 | 上海东方泵业(集团)有限公司 | Vane inner sphere mark scraper |
| JP5303246B2 (en) * | 2008-11-13 | 2013-10-02 | ナブテスコ株式会社 | Spherical processing machine |
| CN101712157B (en) * | 2009-10-30 | 2011-06-15 | 北京航空航天大学 | Welding robot and device for adjusting posture of welding gun of welding robot |
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