CN102672576A - Method for grinding spherical surface of workpiece - Google Patents
Method for grinding spherical surface of workpiece Download PDFInfo
- Publication number
- CN102672576A CN102672576A CN201110422453XA CN201110422453A CN102672576A CN 102672576 A CN102672576 A CN 102672576A CN 201110422453X A CN201110422453X A CN 201110422453XA CN 201110422453 A CN201110422453 A CN 201110422453A CN 102672576 A CN102672576 A CN 102672576A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- workpiece
- grinding
- clamping rotating
- centre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
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 the Grinding Technology field, being specifically related to a kind of being used for carries out the grinding spherical method for processing to the end or the part of workpiece.
Background technology
The grinding ratio plane of workpiece end or partial sphere and the grinding difficulty on the face of cylinder are much higher, and when particularly the grinding accuracy of sphere being had relatively high expectations, difficulty is bigger.And adopt hand grinding labour intensity big, and to waste time and energy, grinding accuracy is low, is not suitable for producing in batches.
A kind of method for grinding and grinding attachment are disclosed in publication number is the application for a patent for invention prospectus of CN1810446A; This method for grinding mainly is the high speed rotation that utilizes workpiece end and the semi arch of cup wheel bottom carries out grinding to the end sphere of workpiece; This method for grinding can not be adjusted workpiece end grinding radius continuously, and the abrasive particle after the grinding is present in the grinding accuracy that cup wheel inside will influence device.
A kind of high-rigidity turning spherical surface numerical control accurate grinding equipment is disclosed in publication number is the application for a patent for invention prospectus of CN101172330A; On the lathe bed parts, be 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 the annulus guide rail, and under the driving of fixed axis at servomotor, move reciprocatingly through worm screw and fan-shaped turbine; Drive the grinding carriage slide by servomotor through feed screw nut pair and on the line slideway on the grinding carriage rotary table, do the straight-line feed motion; The emery wheel grinding tool of being made up of emery wheel grinding tool dish and emery wheel piece directly is connected with electric main shaft through connecting axle.The rotatablely moving of high speed rotary motion through emery wheel, revolving sphere workpiece, the feed motion of grinding carriage and the reciprocating motion of grinding carriage realize with the different purposes of passing through the high-hardness revolving sphere workpiece of diameter of a kind of emery wheel grinding tool grinding of diameter.A kind of Ginding process and grinder of spherical surface of columnar workpiece, publication number are disclosed in being the application for a patent for invention Publication Specification of CN101642888A; This method is to put through the centering angle of grinding head and workpiece sphere to revolve; The movement locus of grinding head is formed and the corresponding cambered surface of workpiece spherical radius; And through grinding head and the counter-rotating each other of workpiece sphere, to accomplish attrition process to the workpiece end sphere.
But above-mentioned grinding equipment or grinder all are on existing machine tool, to carry out the system reform, and complicated integral structure costs an arm and a leg, maintenance difficult, and can not realize the continuously adjustable grinding requirement of workpiece end spherical radius.Above-mentioned equipment for grinding or grinder is applicable to the hemispherical attrition process of corynebacterium workpiece end more simultaneously, can't satisfy long bar-shaped workpiece end contouring and the postwelding contouring of flexible axle end and handle.
Summary of the invention
The object of the present invention is to provide a kind of workpiece contouring method, grinding efficiency is poor when solving spherical grinding of the prior art, grinding accuracy is low or contouring need be carried out the technique of improvement problem on existing lathe.
Workpiece abrading-ball method provided by the present invention adopts following technical scheme: a kind of workpiece contouring method; On the bare terminal end that is fixedly mounted on the clamping rotating shaft that workpiece is coaxial; The centre of sphere of sphere to be processed on the workpiece and the centre of gyration of slew gear are coincided, and during grinding, the centre of gyration that is driven clamping rotating shaft wraparound rotation mechanism by slew gear is done the centering swing; Simultaneously; Drive workpiece by rotating shaft drive mechanism clamping rotating shaft and rotate around self centre of gyration axis of clamping rotating shaft, emery wheel rotates around self centre of gyration axis, and the outer peripheral face of sphere to be processed contacts with grinding work piece on the grinding working face that makes emery wheel then and the workpiece; Wherein, The contouring device that said contouring method adopts comprises grinding carriage that is used and the hold assembly that is used for the clamping workpiece; Be equipped with emery wheel on the grinding carriage; Said hold assembly comprises the clamping rotating shaft that is used for the clamping workpiece, and an end of clamping rotating shaft is used for workpiece is fixed on the bare terminal end in the clamping rotating shaft when using, the clamping rotating shaft by the rotating shaft drive mechanism around self centre of gyration axis rotation; Said contouring device also comprises slew gear; This slew gear drives clamping rotating shaft and does the centering swing around the centre of gyration of said slew gear, and said emery wheel is positioned near the centre of gyration of said slew gear, and self centre of gyration axis of emery wheel is positioned at self centre of gyration axis formed swinging plane when the centering swing is done in the clamping rotating shaft of clamping rotating shaft.
Described slew gear comprises preset arc orbit; In arc orbit, be equipped with the slide block that reciprocatingly slides; The center of circle of arc orbit is the centre of gyration of said slew gear, and the clamping rotating shaft is rotatably installed on the slide block, in the clamping rotating shaft, has the department of assembly that is rotatably assorted with slide block; Said slew gear also comprises the slide block driving mechanism that is used to drive said slide block slip; Before workpiece being fixed in the clamping rotating shaft, utilize the center of circle that the adjustable track in the adjusting device regulates arc orbit according to the radius of sphere to be processed distance to the grinding working face of emery wheel, make the center of circle of arc orbit equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel; After regulating completion, utilize the locking mechanism in the adjusting device that grinding carriage is locked on workbench; Wherein, Described adjusting device comprises propping sand wheel carrier workbench; Described grinding carriage workbench is continuously adjustable to be slidedly assemblied on the adjustable track; This adjustable track is along the bearing of trend extension of the line in the said arc orbit center and the arc orbit center of circle, at the locking mechanism that also is provided with the grinding carriage that after grinding carriage is adjusted to the position that makes the arc orbit center of circle equal spherical radius to be processed to the distance of wheel grinding working face, is used to be locked on the workbench.
Slide block driving mechanism in the described contouring device is a toggle; Toggle comprises the connecting rod of crank and be in transmission connection crank and said slide block; Crank and/or connecting rod are the adjustable horn of axial length; In the distance of the grinding working face of emery wheel, require to adjust the extreme position of slide block and clamping rotating shaft centering swing in the center of circle of regulating arc orbit according to the outer peripheral face grinding-shaping of sphere to be processed through the axial length of adjustment crank and/or connecting rod.
The lateral surface of described arc orbit is provided with and is used for the outer baffle that anti-limited slip block is deviate from.
The bare terminal end of described clamping rotating shaft is for ease of the hollow-core construction of plug-in mounting workpiece, and the bare terminal end of hollow-core construction is equipped with the chuck that is used for fixing workpiece when using.
Described rotating shaft Drive Structure comprises the drive motors that is installed on the slide block, and drive motors drives said clamping rotating shaft around self centre of gyration axis rotation through transmission mechanism.
The invention has the beneficial effects as follows: workpiece contouring method provided by the present invention is the bare terminal end that is fixed on the clamping rotating shaft that workpiece is coaxial; The centre of sphere of the sphere to be processed of workpiece and the centre of gyration of slew gear coincide; During grinding, the centre of gyration that is driven clamping rotating shaft wraparound rotation mechanism by slew gear is done the centering swing, simultaneously; Driving workpiece by rotating shaft drive mechanism clamping rotating shaft rotates around self centre of gyration axis of clamping rotating shaft; Emery wheel rotates around self centre of gyration axis, and the outer peripheral face of sphere to be processed contacts with grinding work piece on the grinding working face that makes emery wheel then and the workpiece, thereby obtains the camber line of sphere to be processed on the workpiece.Self centre of gyration axis of the contouring device medium plain emery wheel that contouring method provided by the present invention is adopted and the centre of gyration axis of workpiece all are positioned at self rotary middle spindle string pendulum in the clamping rotating shaft formed swinging plane when moving; Can reduce Grinding Error like this, improve grinding accuracy.And contouring method provided by the present invention is safe and reliable, simple and convenient, and grinding efficiency is high, and processing cost is lower, has higher using value.
Description of drawings
Fig. 1 is the structural representation of a kind of contouring device of workpiece contouring method use provided by the present invention;
Fig. 2 is the part-structure sketch map of the slide block driving mechanism in the contouring device shown in Figure 1;
Fig. 3 is the part-structure sketch map of the clamping rotating shaft in the contouring device shown in Figure 1;
Fig. 4 is the part-structure sketch map of the adjusting device in the contouring device shown in Figure 1.
The specific embodiment
The method of contouring provided by the present invention adopts as Fig. 1 contouring device among the embodiment shown in Figure 4 extremely; This workpiece contouring method is to utilize on chuck 14 bare terminal end that is fixedly mounted on clamping rotating shaft 6 61 that workpiece 7 is coaxial; The centre of sphere of sphere to be processed on the workpiece 7 and the centre of gyration of slew gear are coincided; During grinding, the centre of gyration that is driven clamping rotating shaft 6 wraparound rotation mechanisms by slew gear is done the centering swing, and clamping rotating shaft 6 drives workpiece 7 and does the centering swing around the centre of gyration of said slew gear; Simultaneously; Drive workpiece 7 by rotating shaft drive mechanism clamping rotating shaft 6 and rotate around self centre of gyration axis of clamping rotating shaft 6, emery wheel 3 wraparounds are changeed central axis and are rotated, and the outer peripheral face of sphere to be processed contacts with grinding work piece on the grinding working face that makes emery wheel 3 then and the workpiece.
Contouring device in adopting contouring method shown in Figure 1 carries out contouring and adds man-hour; The center of circle o of arc orbit 4 is the centre of gyration of revolving structure; During grinding, reciprocatingly slided along arc orbit 4 by slide block drive mechanism slide block 5, slide block 5 drives workpiece 7 through clamping rotating shaft 6, and o does the centering swing around the center of circle of said arc orbit; Simultaneously; Drive workpiece 7 by rotating shaft drive mechanism clamping rotating shaft 6 and rotate around self centre of gyration axis of clamping rotating shaft, emery wheel 3 wraparounds are changeed central axis and are rotated, and the outer peripheral face of sphere to be processed contacts with grinding work piece on the grinding working face that makes emery wheel 3 then and the workpiece.
Preferably; The method that is provided in the present embodiment is being installed in workpiece before the clamping rotating shaft 6; Can utilize the adjustable track 16 in the adjusting device to regulate the distance of the center of circle of arc orbit 4 according to the radius of sphere to be processed to the grinding working face of emery wheel 3; Make the center of circle of arc orbit 4 equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel 3; After regulating completion; Utilize the locking mechanism 17 in the adjusting device that grinding carriage is locked on workbench, in the distance of the grinding working face of emery wheel 3, require to adjust the extreme position of slide block 5 and clamping rotating shaft 6 centering swings according to the outer peripheral face grinding-shaping of sphere to be processed through the axial length of adjustment crank and/or connecting rod in the center of circle of regulating arc orbit.
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; Workpiece grinding spherical device comprises workbench 15; Be supported with grinding carriage on the workbench 15 and be used for the hold assembly of clamping workpiece 7, hold assembly comprises the clamping rotating shaft 6 that is used for the clamping workpiece, and clamping rotating shaft 6 is the bare terminal end that is used for workpiece is fixed in the clamping rotating shaft towards an end of emery wheel; The clamping rotating shaft by the rotating shaft drive mechanism around self centre of gyration axis rotation; Said contouring device also comprises slew gear, and slew gear drives the clamping rotating shaft and does the centering swing around the centre of gyration of said slew gear, and emery wheel 3 is installed on grinding carriage; Emery wheel 3 is positioned near the centre of gyration of said slew gear, and the centre of gyration axis of emery wheel 3 is positioned at self centre of gyration axis formed swinging plane when the centering swing is done in clamping rotating shaft 6 of clamping rotating shaft 6.
Slew gear in the present embodiment comprises the arc orbit 4 that is installed in the workbench top in advance; The center of circle of arc orbit 4 is the centre of gyration of said slew gear; Reciprocal slidable fit has slide block 5 in arc orbit 4; This slide block 5 is contour structures and the suitable arc shaped slider of arc track, deviates from from arc orbit 4 for anti-limited slip block 5, on the lateral surface of arc orbit 4, also is provided with outer baffle 10; Slide block 5 in the arc orbit 4 is reciprocatingly slided in arc orbit 4 by the slide block drive mechanism; Slide block driving mechanism in the present embodiment is a toggle, and toggle comprises the connecting rod 2 that is driven the crank 1 that rotates and be in transmission connection crank and said slide block by servomotor 8 through reductor 9, and crank 1 here and/or connecting rod 2 are the adjustable horn of axial length.Clamping rotating shaft 6 in the said hold assembly is radially extended along arc orbit 4; Clamping rotating shaft 6 is rotatably installed on the slide block; It is that the centre of gyration of slew gear is done centering and swung that clamping rotating shaft 6 drives down around the center of circle o of said arc orbit 4 at slide block 5; Clamping rotating shaft 6 is rotated and is assemblied on the slide block 5, but clamping rotating shaft 6 axially and between the slide block 5 does not have relative motion at it.Have in the clamping rotating shaft 6 to rotate and be assemblied in the department of assembly 62 on the slide block; The clamping rotating shaft is used for the workpiece 7 coaxial bare terminal ends 61 that are fixed in the clamping rotating shaft when an end of grinding carriage is use; The bare terminal end 61 of clamping rotating shaft radially arrives the radius of the distance of arc orbit 4 center camber lines less than arc orbit 4 along arc orbit 4; The department of assembly 62 of the clamping rotating shaft 6 in the present embodiment rotates through bearing arrangement 15 and is assemblied on the slide block 5; Clamping rotating shaft 6 is by rotating shaft Drive Structure driven in rotation; The rotating shaft driving mechanism comprises the drive motors 12 that is installed on the slide block 5; Drive motors drives clamping rotating shafts 6 through belt gear 13 and rotates around self centre of gyration axis, and the clamping rotating shaft 6 in the present embodiment is for ease of the hollow shaft of plug-in mounting workpiece, is equipped with when using and workpiece is coaxial is fixed on the chuck 14 in the clamping rotating shaft adding the bare terminal end of holding rotating shaft.On grinding carriage, be equipped with emery wheel 3, emery wheel 3 is positioned near the below 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 used contouring device of contouring method in the foregoing description also comprises the adjusting device of regulating distance between the grinding working face of the center of circle and emery wheel 3 of arc orbit 4 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 workbench; Grinding carriage is continuously adjustable to be slidedly assemblied on the adjustable track 16; This adjustable track 16 is along the bearing of trend extension of the line in said arc orbit 4 centers and arc orbit 4 centers of circle, at the locking mechanism 17 that also is provided with the grinding carriage that after grinding carriage is adjusted to the position that makes the arc orbit center of circle equal spherical radius to be processed to the distance of wheel grinding working face, is used to be locked on the workbench.
Locking mechanism in the foregoing description can adopt screw thread self-locking of the prior art or worm and gear self-locking, or adopts the servo positioning system like driven by servomotor, promptly is positioned after adjustable track moves into place as long as can be implemented in grinding carriage.
When the contouring processing unit (plant) in using the foregoing description carries out grinding to the sphere to be processed of workpiece; Utilize the adjustable track 16 in the adjusting device to regulate the distance of the center of circle of arc orbit 4 according to the radius of sphere to be processed to the grinding working face of emery wheel 3; Make the center of circle o of arc orbit 4 equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel 3; After regulating completion; Utilize the locking mechanism 17 in the adjusting device that grinding carriage is locked on workbench 15; In the distance of the grinding working face of emery wheel 3, require to adjust the extreme position of slide block 3 and clamping rotating shaft 6 centering swings in the center of circle of regulating arc orbit 4, then workpiece 7 is fixed in the clamping rotating shaft 6 through chuck 14 through the axial length of adjustment crank 1 and/or connecting rod 2 according to the outer peripheral face grinding-shaping of sphere to be processed; The centre of sphere of sphere to be processed on the workpiece 7 and the center of circle of the arc orbit 4 that clamping rotating shaft 6 belongs to are coincided; During grinding, reciprocatingly slided along arc orbit 4 by slide block drive mechanism slide block 5, slide block 5 drives workpiece through clamping rotating shaft 6, and o does the centering swing around the center of circle of said arc orbit 4; Simultaneously; Drive workpiece 7 by rotating shaft drive mechanism clamping rotating shaft 6 and rotate around self centre of gyration axis of clamping rotating shaft 6, emery wheel 3 wraparounds are changeed central axis and are rotated, and the outer peripheral face of sphere to be processed contacts with grinding work piece on the grinding working face that makes emery wheel 3 then and the workpiece 7.
Slew gear in the foregoing description adopts the arc orbit structure, in other embodiments, also can adopt other slew gear forms; As to adopt turntable structure, the center of rotating disk be the centre of gyration of said slew gear, offers the centre bore that is used to place emery wheel in the center of rotation of rotating disk; Position away from centre bore on the side of rotating disk is installed with locating piece, and this locating piece is equivalent to the slide block in the foregoing description, and the clamping rotating shaft in the said hold assembly is rotatably installed on the locating piece; When rotating under the driving of rotating disk at servomotor, rotating disk drives clamping rotating shaft wraparound through locating piece changes the central axis rotation, at this moment; The rotating shaft drive unit that is used to drive clamping rotating shaft rotation can be arranged on locating piece; Also can be arranged on the rotating disk, when the clamping rotating shaft around self centre of gyration axis time rotational, wraparound commentaries on classics center revolution under the driving of rotating disk; When the wheel grinding working face contacts with workpiece, accomplish grinding to the sphere to be processed of workpiece.
The contouring device comprises the adjusting device that can regulate continuously according to the requirement of sphere to be processed in the foregoing description; In other embodiments; Also can remove adjusting device, but the contouring device of this moment is only applicable to process a kind of sphere of radii fixus, it is less to use the orientation.And if after in the contouring device, increasing adjusting device, can effectively enlarge the range of work of contouring device so that the contouring device is processed the sphere to be processed of different radii size.
As shown in Figure 4; Slide block 5 in the foregoing description reciprocatingly slides in arc orbit 4, according to the own characteristic of toggle, and the two limit positions that in arc orbit, exists slide block 5 to slide; And for the contouring device; The two limit positions that arc orbit 4 top shoes 5 move will influence the moulding of sphere to be processed on the workpiece, and two limit positions distance on arc orbit 4 is far away more, and the outer peripheral face shaping area of the sphere to be processed on the workpiece is bigger; Two limit positions distance on arc orbit 4 is near more, and the outer peripheral face shaping area of the sphere to be processed on the workpiece is just less.And the distance of the extreme position of arc orbit 4 on arc orbit 4 regularly decided by the length of crank 1 and connecting rod 2 at the radius one of arc orbit 4; So can crank 1 and connecting rod 2 be designed to the adjustable horn of axial length; Regulate the length of horn according to the actual conditions needs, guarantee that the form grinding that satisfies sphere to be processed requires to get final product.In other embodiments, also can only bent axle 1 be designed to horn or connecting rod 2 is designed to the horn structure.
Slide block driving mechanism in the foregoing description is a toggle, and in other embodiments, the slide block driving mechanism can adopt other structure; Like sprocket drive; This sprocket drive comprises that arc orbit is provided with the inboard that is positioned at slide block or the chain drive-belt in the outside, and chain drive-belt is driven by the sprocket wheel of driven by servomotor, and slide block is fixedly connected on the chain; Opposite side at slide block is equipped with the directive wheel that corresponding guiding with arc orbit cooperates; When the driven by servomotor sprocket rotation, chain drive-belt drives slide block and in arc orbit, moves back and forth, when adopting chain drive mechanism; Slide block is in the moving range decision by chain of the two limit positions of arc orbit; The moving range of chain then by the working time decision of servomotor, at this moment, can realize the adjustment between the two limit positions of slide block in arc orbit through the rotating working time of adjustment servomotor.Certainly; Can also adopt other driving mechanism to come driving sliding block reciprocal slip in arc orbit; The centering swing is done in clamping rotating shaft on the assurance slide block around the arc orbit center of circle; Afterwards be implemented in be installed in workpiece on the bare terminal end of clamping rotating shaft after, workpiece is done the centering swing around the center of circle of arc orbit, guarantee the grinding of the grinding working face of emery wheel to sphere to be processed.
Rotating shaft driving mechanism in the foregoing description adopts belt transmission between drive motors and clamping rotating shaft, in other embodiments, can also adopt other the mode that is in transmission connection between drive motors and the clamping rotating shaft, like gear drive or chain transmission.Certainly, in other embodiments, drive motors can not be arranged on the slide block yet, and is arranged on the external device that slides synchronously with slide block, preferably still directly is installed on the slide block certainly to get final product.
Emery wheel in the foregoing description is positioned at the below, the center of circle of arc orbit; In other embodiments; Be arranged near the getting final product in the center of circle of arc orbit; Can be arranged on a side in the center of circle of arc orbit, equal the radius of sphere to be processed to the distance between the grinding working face of emery wheel as long as guarantee the center of circle of arc orbit.
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 opposite, only otherwise influencing normal grinding gets final product.
Clamping rotating shaft in the foregoing description is a hollow shaft, and bar-shaped workpiece can directly be inserted in the clamping rotating shaft, again by coaxial being fixed in the clamping rotating shaft of the chuck that is assemblied in bare terminal end.In other embodiments; Can adopt the fixed form of other structures that workpiece is fixed in the clamping rotating shaft; Be designed to clamp the structure of flap like bare terminal end, and clamp suit binding ring on the periphery of lobe certainly the clamping rotating shaft, equally can be with coaxial being fixed in the clamping rotating shaft of workpiece.
In the foregoing description,, the clamping rotating shaft is designed to hollow shaft structure for ease of the long bar-shaped workpiece of processing axial length, in other embodiments, when not needing the long workpiece of processing length, also can be only in the bare terminal end design hollow-core construction of clamping rotating shaft.If workpiece is less, can adopts solid clamping rotating shaft, and only piece-holder is installed on the chuck.
The department of assembly of the clamping rotating shaft in the foregoing description is positioned near the 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 near the middle part of clamping rotating shaft or the end near emery wheel.
Claims (6)
1. workpiece contouring method; It is characterized in that: on the bare terminal end that is fixedly mounted on the clamping rotating shaft that workpiece is coaxial; The centre of sphere of sphere to be processed on the workpiece and the centre of gyration of slew gear are coincided, and during grinding, the centre of gyration that is driven clamping rotating shaft wraparound rotation mechanism by slew gear is done the centering swing; Simultaneously; Drive workpiece by rotating shaft drive mechanism clamping rotating shaft and rotate around self centre of gyration axis of clamping rotating shaft, emery wheel rotates around self centre of gyration axis, and the outer peripheral face of sphere to be processed contacts with grinding work piece on the grinding working face that makes emery wheel then and the workpiece;
Wherein, The contouring device that said contouring method adopts comprises grinding carriage that is used and the hold assembly that is used for the clamping workpiece; Be equipped with emery wheel on the grinding carriage; Said hold assembly comprises the clamping rotating shaft that is used for the clamping workpiece, and an end of clamping rotating shaft is used for workpiece is fixed on the bare terminal end in the clamping rotating shaft when using, the clamping rotating shaft by the rotating shaft drive mechanism around self centre of gyration axis rotation; Said contouring device also comprises slew gear; This slew gear drives clamping rotating shaft and does the centering swing around the centre of gyration of said slew gear, and said emery wheel is positioned near the centre of gyration of said slew gear, and self centre of gyration axis of emery wheel is positioned at self centre of gyration axis formed swinging plane when the centering swing is done in the clamping rotating shaft of clamping rotating shaft.
2. workpiece contouring method according to claim 2; It is characterized in that: described slew gear comprises preset arc orbit; In arc orbit, be equipped with the slide block that reciprocatingly slides; The center of circle of arc orbit is the centre of gyration of said slew gear, and the clamping rotating shaft is rotatably installed on the slide block, in the clamping rotating shaft, has the department of assembly that is rotatably assorted with slide block; Said slew gear also comprises the slide block driving mechanism that is used to drive said slide block slip; Before workpiece being fixed in the clamping rotating shaft, utilize the center of circle that the adjustable track in the adjusting device regulates arc orbit according to the radius of sphere to be processed distance to the grinding working face of emery wheel, make the center of circle of arc orbit equal the radius of sphere to be processed to the distance of the grinding working face of emery wheel; After regulating completion, utilize the locking mechanism in the adjusting device that grinding carriage is locked on workbench;
Wherein, Described adjusting device comprises propping sand wheel carrier workbench; Described grinding carriage workbench is continuously adjustable to be slidedly assemblied on the adjustable track; This adjustable track is along the bearing of trend extension of the line in the said arc orbit center and the arc orbit center of circle, at the locking mechanism that also is provided with the grinding carriage that after grinding carriage is adjusted to the position that makes the arc orbit center of circle equal spherical radius to be processed to the distance of wheel grinding working face, is used to be locked on the workbench.
3. workpiece contouring method according to claim 2; It is characterized in that: the slide block driving mechanism in the described contouring device is a toggle; Toggle comprises the connecting rod of crank and be in transmission connection crank and said slide block; Crank and/or connecting rod are the adjustable horn of axial length; In the distance of the grinding working face of emery wheel, require to adjust the extreme position of slide block and clamping rotating shaft centering swing in the center of circle of regulating arc orbit according to the outer peripheral face grinding-shaping of sphere to be processed through the axial length of adjustment crank and/or connecting rod.
4. according to the workpiece contouring method described in the claim 3, it is characterized in that: the lateral surface of described arc orbit is provided with and is used for the outer baffle that anti-limited slip block is deviate from.
5. workpiece contouring method according to claim 4 is characterized in that: the bare terminal end of described clamping rotating shaft is for ease of the hollow-core construction of plug-in mounting workpiece, and the bare terminal end of hollow-core construction is equipped with the chuck that is used for fixing workpiece when using.
6. workpiece contouring method according to claim 4 is characterized in that: described rotating shaft Drive Structure comprises the drive motors that is installed on the slide block, and drive motors drives said clamping rotating shaft around self centre of gyration axis rotation through 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102672576A true CN102672576A (en) | 2012-09-19 |
| CN102672576B CN102672576B (en) | 2015-07-15 |
Family
ID=46805479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110422453.XA Expired - Fee Related CN102672576B (en) | 2011-12-16 | 2011-12-16 | Method for grinding spherical surface of workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102672576B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107584399A (en) * | 2017-08-30 | 2018-01-16 | 凯茂科技(深圳)有限公司 | A kind of polissoir |
| 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 |
| CN114367900A (en) * | 2021-10-28 | 2022-04-19 | 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 |
| CN114473839A (en) * | 2022-01-09 | 2022-05-13 | 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 |
| CN115519434A (en) * | 2022-09-07 | 2022-12-27 | 浙江伯特利科技股份有限公司 | But arc pivoted grinding device of ball valve processing usefulness |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073345U (en) * | 1989-06-10 | 1991-03-20 | 王学礼 | Machine tool for grinding ceramic |
| CN1174110A (en) * | 1997-08-14 | 1998-02-25 | 长春光学精密机械学院 | Spherical part track forming processing method and device |
| CN2401315Y (en) * | 1999-10-29 | 2000-10-18 | 彭平丰 | Curved surface grinding machine |
| CN1693021A (en) * | 2005-06-13 | 2005-11-09 | 长春理工大学 | Method and apparatus for processing non-spherical surface by using cutter oscillation |
| CN2792703Y (en) * | 2005-04-27 | 2006-07-05 | 黎升祥 | Conical roller spherical grinding machine with end face |
| 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 |
| 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 |
| CN101712157A (en) * | 2009-10-30 | 2010-05-26 | 北京航空航天大学 | Welding robot and device for adjusting posture of welding gun of welding robot |
| JP2010115749A (en) * | 2008-11-13 | 2010-05-27 | Nabtesco Corp | Spherical surface machining device |
-
2011
- 2011-12-16 CN CN201110422453.XA patent/CN102672576B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073345U (en) * | 1989-06-10 | 1991-03-20 | 王学礼 | Machine tool for grinding ceramic |
| CN1174110A (en) * | 1997-08-14 | 1998-02-25 | 长春光学精密机械学院 | Spherical part track forming processing method and device |
| 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 |
| CN1693021A (en) * | 2005-06-13 | 2005-11-09 | 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 |
| JP2010115749A (en) * | 2008-11-13 | 2010-05-27 | Nabtesco Corp | Spherical surface machining device |
| CN101712157A (en) * | 2009-10-30 | 2010-05-26 | 北京航空航天大学 | Welding robot and device for adjusting posture of welding gun of welding robot |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107584399A (en) * | 2017-08-30 | 2018-01-16 | 凯茂科技(深圳)有限公司 | A kind of polissoir |
| 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 |
| CN114367900A (en) * | 2021-10-28 | 2022-04-19 | 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 |
| 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 |
| CN114473839A (en) * | 2022-01-09 | 2022-05-13 | 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 |
| CN115519434A (en) * | 2022-09-07 | 2022-12-27 | 浙江伯特利科技股份有限公司 | But arc pivoted grinding device of ball valve processing usefulness |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102672576B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102672576B (en) | Method for grinding spherical surface of workpiece | |
| CN106112752B (en) | Suitable for the sbrasive belt grinding center of blisk holotype face polishing processing | |
| CN101664897B (en) | Coated abrasive grinder of propeller blade | |
| CN110064799B (en) | Numerical control gear grinding machine for wire gears and wire gear grinding processing method | |
| CN102729124A (en) | Abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk | |
| CN103612185A (en) | Seven-axis linkage numerical control abrasive belt grinding and polishing machine tool | |
| CN201511295U (en) | Screw propeller blade abrasive band grinding machine | |
| CN102672575A (en) | Work-piece contouring device | |
| CN202399111U (en) | Workpiece contouring device | |
| CN110385628A (en) | Bearing roller grinding attachment | |
| CN103203677A (en) | Numerically controlled grinder special for slewing bearing processing | |
| CN210524023U (en) | Straight bevel gear grinding equipment | |
| CN101249628A (en) | Grinding attachment suitable for freely curved face | |
| CN107953203A (en) | A kind of device and technique for being used to refine helicla flute | |
| CN113059440A (en) | Cutter grinding machine | |
| CN212192376U (en) | Tap cylindrical grinder based on CBN grinding wheel | |
| CN102490097A (en) | Adjustable worktable for guideway grinder | |
| CN203371374U (en) | Polisher for small rotors | |
| CN107020551A (en) | A kind of blade grinding machine | |
| CN101642888B (en) | Grinding method and grinder of spherical surface of columnar workpiece | |
| CN207104574U (en) | One kind hammer class hardware products abrasive band polishing grinding machine people | |
| CN203579366U (en) | Seven-shaft linkage numerical-control abrasive-belt grinding and polishing machine tool | |
| CN202804376U (en) | Precise forming numerical control four-axis linkage inner cyclone milling machine | |
| CN106513845A (en) | Saw blade machining tool | |
| CN205342690U (en) | Tapering frock of polishing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |