CN105058254B - Large-size radial ultrasonic auxiliary end face grinding abrasive disk - Google Patents
Large-size radial ultrasonic auxiliary end face grinding abrasive disk Download PDFInfo
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- CN105058254B CN105058254B CN201510492598.5A CN201510492598A CN105058254B CN 105058254 B CN105058254 B CN 105058254B CN 201510492598 A CN201510492598 A CN 201510492598A CN 105058254 B CN105058254 B CN 105058254B
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Abstract
The invention discloses a large-size radial ultrasonic auxiliary end face grinding abrasive disk. The abrasive disk mainly comprises an outer cover, an inner cover, a base disk, a plurality of magnetic supporting bases, an amplitude-change pole supporting base and ultrasonic vibration blocks. The multiple ultrasonic vibration blocks are evenly distributed in the circumferential direction of the base disk, and the radial ultrasonic vibration of the abrasive disk is achieved. The inner cover is installed on an inner ring of concentric circles of the base disk. The outer cover is installed on an outer ring concentric with the base disk. The base disk is in a concentric circle shape, and a motor main shaft is installed and connected in a center hole of the base disk. An abrasive block is driven by a motor to rotate so as to achieve end face grinding machining. The large-size radial ultrasonic auxiliary end face grinding abrasive disk can be used for ultrasonic auxiliary end face grinding and ultrasonic auxiliary milling and polishing, and therefore large batched ultrasonic end face grinding, milling and polishing on components can be achieved, and the machining efficiency and the machining precision of the components are greatly improved.
Description
Technical field
The present invention relates to a millstone device, more particularly to a kind of large scale radial ultrasonic auxiliary cross grinding mill.
Background technology
The hard brittle materials such as engineering ceramics, optical glass, artificial lens are because with hardness is high, chemical stability is good, being difficult
Oxidation, it is wear-resistant, corrosion-resistant the advantages of and be widely used.However, these hard brittle materials have high hardness and fragility,
Its processing is very difficult, especially the processing of some laminar photoelectricity flat parts, does not require nothing more than with shape essence higher
Degree, also requires that with machined surface quality higher.Processing currently for this type slice part of hard brittle material is mainly adopted
With free abrasive twin grinding and the processing method of polishing.But after the characteristics of due to free abrasive attrition process itself, causes processing
The form accuracy of part is poor, and processing efficiency is relatively low.It is existing in recent years with the development of machine tool equipment and emery wheel technology of preparing
Enterprise carries out Double face grinding processing using concretion abrasive emery wheel to it, so that the form accuracy and processing that improve part processing are imitated
There is machining damage greatly in rate, but the attrition process of free abrasive relatively, Double face grinding processing, part is easily broken, and processes table
The problems such as face is second-rate.
Supersonic vibration assistant grinding is a kind of new grinding processing method of recent decades development and application, substantial amounts of theory
Show with experimental study, supersonic vibration assistant grinding has plain grinding incomparable when hard fragility difficult-to-machine material is processed
Technological effect, with high in machining efficiency, machining damage is small, the advantages of surface quality of workpieces is good.Therefore, by ultrasonic vibration aided grinding plus
Work technology is used for the processing of the Double face grinding of hard material sheet parts, to reducing part machining damage, improve processing efficiency and
Suface processing quality is significant.
However, in supersonic vibration assistant grinding processing, the characteristics of due to ultrasonic vibration installation itself so that ultrasonic vibration
Can only often be applied on less workpiece or instrument, be difficult to realize the ultrasonic vibration of large scale mill or workpiece.And hard crisp
Property material sheet part Double face grinding processing in, in order to ensure production efficiency, often using the processing of large scale mill.Cause
How this, turned into technological difficulties by ultrasonic vibration for the Double face grinding processing for aiding in hard fragility sheet parts.Based on this,
The present invention proposes that a kind of large scale radial ultrasonic aids in the design of cross grinding mill.
The content of the invention
A kind of deficiency for aiming to overcome that prior art of invention, there is provided large scale radial ultrasonic auxiliary cross grinding mill
Disk, can be used for ultrasonic wave added cross grinding, ultrasonic wave added grinding and polishes, so as to the batch ultrasound end face big to part can be realized
Grinding, grinding and polishing, greatly improve the processing efficiency and machining accuracy of part.
The technical solution adopted for the present invention to solve the technical problems is：Large scale radial ultrasonic auxiliary cross grinding is provided
Mill, including：Enclosing cover, inner cap, basal disc and some magnetic supports seat, ultrasonic transformer support base and ultrasonic vibration block；
Several described ultrasonic vibration blocks are uniformly distributed along basal disc circumferencial direction, are combined into a large-sized annular mill
Disk, realizes the radial ultrasonic vibration of mill；The ultrasonic vibration block is made up of ultrasonic transducer, ultrasonic transformer, magnetic rod and abrading block；
By being fixed at ultrasonic transformer zero amplitude with basal disc, the other end is then by basal disc for each described ultrasonic vibration block one end
Magnetic support seat the magnetic rod of ultrasonic vibration block end is supported by magnetic force；The adjacent ultrasonic vibration block is in basal disc
Circumferentially form an angle, and exist between adjacent abrading block compared with small gap, gap is filled using a kind of softer material, is played sealing and is made
With；The inner cap is installed on the inner ring of basal disc concentric circles, and the enclosing cover is installed on the outer ring of basal disc concentric circles；The basal disc is same
Heart round shape, its centre bore is used for attaching electric machine main shaft, drives the abrading block to rotate by motor to realize that cross grinding is processed；It is super
Acoustical signal passes to ultrasonic amplitude transformer by brush and coil, by the axial vibration of ultrasonic amplitude transformer band dynamic grinding block do relative to
The radial vibration of basal disc, so as to realize that ultrasonic wave added cross grinding is processed.
Preferably, the ultrasonic transducer includes piezoelectric vibrator；The piezoelectric vibrator promote abrading block produce certain frequency and
The ultrasonic vibration of amplitude；The position of two first annular magnet and upper two the second annular magnets of magnetic support seat on the magnetic rod
Put and match and the polarity of junction is identical, magnetic rod is realized contactless supporting role on magnetic support seat.
Preferably, the abrading block includes abrasive material block and abrading block pedestal；The abrasive material block of the abrading block front end is with abrading block pedestal
Wedge-like engagement, abrasive material block and the abrading block pedestal of abrading block rear end are right angle cooperation；By elasticity between the abrasive material block and abrading block pedestal
Packing ring and bolt are fixed.
Preferably, single layer of abrasive particles is made in the abrading block surface using the method for plating or soldering or the abrading block surface uses
The method of sintering makes the abrading block of multilayer abrasive material；Abrasive material can use super hard abrasive on the abrading block, it would however also be possible to employ common mill
Material；If the abrading block surface is without abrasive particle, can be used for the ultrasonic wave added grinding of free abrasive and polish.
Preferably, the abrading block number, can be according to the specific size of large scale mill, the size and work of single vibrating mass
Need Reasonable adjustment.
Preferably, the abrading block is distributed along basal disc even circumferential, there is certain gap between adjacent abrading block, with softness in gap
Material is filled.
Preferably, the finishing of the mill：If soldering and plating abrading block, then first polish the upper surface block of abrading block,
Then individual layer abrasive material is made by plating or method for welding on its surface；If sintering grinding block or without abrasive particle abrading block, then may be used
Surfacing is realized by way of attrition.
Preferably, the basal disc bottom is distributed with circular coil, and the circular coil terminates to be connected power supply with brush, wherein
Ground wire is shared；The supply of all abrading block power supplys is provided by a large power supply, and each abrading block has corresponding amplification and regulation
Circuit, to adapt to each abrading block between intrinsic frequency difference, and during use intrinsic frequency minor variations.
Large scale radial ultrasonic aids in the application method of cross grinding mill：Comprise the following steps：
A1, by large scale radial ultrasonic auxiliary cross grinding mill be installed on motor, motor drives the large scale radially
Ultrasonic wave added cross grinding mill rotates；
A2, ultrasonic-frequency power supply pass to ultrasonic amplitude transformer by brush and coil, ultrasonic amplitude transformer band dynamic grinding block do relative to
The radial vibration of basal disc, makes abrasive material block grinding work piece.
The beneficial effects of the invention are as follows：
1st, large scale radial ultrasonic end-face grinding plate of the invention is that uniform ultrasound of respectively arranging is shaken on basal disc circumference
Motion block, is realized to the cross grinding of handicraft product, grinding and is polished using abrading block；Need to be filled using soft material between abrading block, prevent
Only working fluid enters inside emery wheel, piezoelectricity abrading block power supply short circuit and corrosion emery wheel inner body is caused, while not interfering with mill again
The transmission of block ultrasonic vibration.
2nd, single abrading block surface can make single layer of abrasive particles using the method for plating and soldering, can also be made using sintering method
The abrading block of multilayer abrasive material, for grinding；Abrasive material can use super hard abrasive on abrading block, it would however also be possible to employ conventional abrasive material；If
Abrading block surface also can be used for the ultrasonic wave added grinding of free abrasive and polishing without abrasive particle.
3rd, according to large scale mill specific size and the size of single vibrating mass, can in the circumferencial direction of large scale mill
The vibration abrading block of fair amount is installed, number can be adjusted as needed.
4th, abrading block is constituted, and is used screws clamp by abrasive material block, abrading block pedestal；Abrasive material block, abrading block pedestal are away from super
One end of sound ultrasonic transformer is wedge-like engagement, and the other end coordinates for right angle；This structure not only improves the transmission of ultrasonic vibration and subtracts
Few ultrasonic vibrational energy is conducive to the handling of abrasive material block replacing again in the loss in other directions.
5th, single abrading block promotes it to produce the ultrasonic vibration of certain frequency and amplitude by piezoelectric vibrator, while becoming in ultrasound
Width bar zero amplitude position is connected with basal disc, and magnetic rod one end is spirally connected with abrading block, two first annular magnet of the other end and two
What the effect that the individual second annular magnet same sex is repelled each other made it seat diametrically can be contactless with magnetic support is relatively fixed, and improves
The radial rigidity of abrading block and the circumferential strength along ultrasonic amplitude transformer, and then machining accuracy is improved, and do not interfere with its axial ultrasonic
The transmission of vibration wave, will not also cause loss and the system heat generation of ultrasonic energy.It is supported by magnetic force, to improve mill
The rigidity of block.
6th, large scale radial ultrasonic auxiliary cross grinding mill of the invention can be not only used for Double face grinding, grinding and throw
Light, it can also be used to grinding, grinding and the polishing of single end face.
The present invention is described in further detail below in conjunction with drawings and Examples；But a kind of large scale of the invention is radially
Ultrasonic wave added cross grinding mill is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the overall schematic that a kind of large scale radial ultrasonic of the invention aids in cross grinding mill.
Fig. 2 is the overall explosive view that a kind of large scale radial ultrasonic of the invention aids in cross grinding mill.
Fig. 3 is the bottom coil that a kind of large scale radial ultrasonic of the invention aids in cross grinding mill.
Fig. 4 is the explosive view of ultrasonic vibration block of the invention.
Fig. 5 is the explosive view of abrading block of the invention.
Fig. 6 is the explosive view of magnetic rod of the invention.
Fig. 7 is the explosive view of ultrasonic transducer of the invention.
Fig. 8 is the explosive view of magnetic support seat of the invention.
Fig. 9 is the explosive view of ultrasonic transformer support base of the invention.
Specific embodiment
Embodiment 1
Referring to shown in Fig. 1 and Fig. 2, a kind of large scale radial ultrasonic of the invention aids in cross grinding mill, including：Enclosing cover
1st, inner cap 2, basal disc 5 and some magnetic supports seat 33, ultrasonic transformer support base 34 and ultrasonic vibration block 6；
Several described ultrasonic vibration blocks 6 are uniformly distributed along the circumferencial direction of basal disc 5, are combined into a large-sized annular mill
Disk, realizes the radial ultrasonic vibration of mill；The ultrasonic vibration block 6 is by ultrasonic transducer 13, ultrasonic transformer 12, magnetic rod 8 and mill
Block 9 is constituted；By being fixed at the zero amplitude of ultrasonic transformer 12 with basal disc 5, the other end then passes through for each described one end of ultrasonic vibration block 6
The magnetic rod 8 of the 33 pairs of ends of ultrasonic vibration block 6 of magnetic support seat on basal disc 5 is supported by magnetic force；Adjacent institute
State ultrasonic vibration block 6 circumferentially to be formed an angle in basal disc 5, and exist between adjacent abrading block 9 compared with small gap, gap is using a kind of softer
Material is filled, and plays sealing function；The inner cap 2 installs the inner ring with the concentric circles of basal disc 5, and it is same that the enclosing cover 1 is installed on basal disc 5
The outer ring of heart circle；The basal disc 5 is concentric circles, and its centre bore is used for attaching electric machine main shaft, the abrading block 9 is driven by motor
Rotation is processed with realizing cross grinding；Ultrasonic signal passes to ultrasonic amplitude transformer 12 by brush and coil 7, by ultrasonic amplitude of fluctuation
The radial vibration relative to basal disc 5 is done in the axial vibration of bar 12 with dynamic grinding block, so as to realize that ultrasonic wave added cross grinding is processed.
Further, the ultrasonic transducer 13 includes piezoelectric vibrator 23；The piezoelectric vibrator 23 promotes abrading block 9 to produce one
Determine the ultrasonic vibration of frequency and amplitude；On the magnetic rod 8 two the on two first annular magnet 20 and magnetic support seat 33
The position of second ring magnet 31 matches and the polarity of junction is identical, magnetic rod 8 is realized that nothing connects on magnetic support seat 33
Tactile supporting role, improves the stability of ultrasonic vibration system and the rigidity of mill, and then improves machining accuracy, and will not
The transmission of its axial ultrasonic vibration wave is influenceed, will not also cause loss and the system heat generation of ultrasonic energy.
Further, the abrading block 9 includes abrasive material block 15 and abrading block pedestal 14；The abrasive material block 15 of the front end of the abrading block 9 with
Abrading block pedestal 14 is wedge-like engagement, and abrasive material block 15 and the abrading block pedestal 14 of the rear end of abrading block 9 are right angle cooperation；The abrasive material block 15 with
It is fixed by elastic washer and bolt between abrading block pedestal 14.This structure not only improves the transmission of ultrasonic vibration and reduces super
Sound vibration energy is conducive to the replacing of abrasive material block to load and unload again in the loss in other directions.
Further, single layer of abrasive particles or the abrading block surface are made in the surface of the abrading block 9 using the method for plating or soldering
The abrading block of multilayer abrasive material is made using the method for sintering；Abrasive material can use super hard abrasive on the abrading block 9, it would however also be possible to employ general
Continuous grinding material；If the surface of the abrading block 9 is without abrasive particle, can be used for the ultrasonic wave added grinding of free abrasive and polish.
Further, the number of the abrading block 9, can according to the specific size of large scale mill, the size of single vibrating mass 6 with
And need of work Reasonable adjustment.
Further, the abrading block 9 is distributed along basal disc even circumferential, there is certain gap between adjacent abrading block, is used in gap
Flexible material is filled, and prevents working fluid from entering inside emery wheel, causes piezoelectricity abrading block power supply short circuit and corrosion emery wheel inner body, together
When do not interfere with the transmission of the ultrasonic vibration of abrading block 9 again.
Further, the finishing of the mill：If soldering and plating abrading block, then first by the upper surface block mill of abrading block
It is flat, individual layer abrasive material is then made by plating or method for welding on its surface；If sintering grinding block or without abrasive particle abrading block, then
Surfacing can be realized by way of attrition.
Further, the bottom of the basal disc 5 is distributed with circular coil 7, and the circular coil 7 is connected electricity with brush contact
Source, wherein ground wire share；The supply of the power supply of all abrading blocks 9 is provided by a large power supply, and each abrading block 9 has to be put accordingly
Big and regulation circuit, to adapt to each abrading block 9 between when vibrating intrinsic frequency difference, and intrinsic frequency during use
Minor variations.
A kind of large scale radial ultrasonic aids in the application method of cross grinding mill：Comprise the following steps：
A1, by large scale radial ultrasonic auxiliary cross grinding mill be installed on motor, motor drives the large scale radially
Ultrasonic wave added cross grinding mill rotates；
A2, ultrasonic-frequency power supply pass to ultrasonic amplitude transformer 12 by brush and coil, and ultrasonic amplitude transformer 12 does phase with dynamic grinding block 9
For the radial vibration of basal disc 5, make abrasive material block abrasive product.
Abrasive material block 15 can be not only used for Double face grinding to part, grinding and polish on abrading block 9, it can also be used to part
Single end face grinding, grinding and polishing.
Above-described embodiment is only used for further illustrating a kind of large scale radial ultrasonic auxiliary cross grinding mill of the invention,
But it is every any simply to be repaiied according to what technical spirit of the invention was made to above example the invention is not limited in embodiment
Change, equivalent variations and modification, each fall within the protection domain of technical solution of the present invention.
Claims (9)
1. a kind of large scale radial ultrasonic auxiliary cross grinding mill, it is characterised in that if including enclosing cover, inner cap, basal disc and
Dry magnetic support seat, ultrasonic transformer support base and ultrasonic vibration block；
Several described ultrasonic vibration blocks are uniformly distributed along basal disc circumferencial direction, are combined into a large-sized annular mill, real
The radial ultrasonic vibration of existing mill；The ultrasonic vibration block is made up of ultrasonic transducer, ultrasonic transformer, magnetic rod and abrading block；Each
By being fixed at ultrasonic transformer zero amplitude with basal disc, the other end is then by the magnetic on basal disc for described ultrasonic vibration block one end
Power support base is supported to the magnetic rod of ultrasonic vibration block end by magnetic force；The adjacent ultrasonic vibration block is in basal disc circumference
Form an angle, and exist between adjacent abrading block compared with small gap, gap is filled using a kind of softer material, plays sealing function；Institute
The inner ring that inner cap is installed on basal disc concentric circles is stated, the enclosing cover is installed on the outer ring of basal disc concentric circles；The basal disc is concentric circles
Shape, its centre bore is used for attaching electric machine main shaft, drives the abrading block to rotate by motor to realize that cross grinding is processed；Ultrasound letter
Number ultrasonic amplitude transformer is passed to by brush and coil, done relative to basal disc by the axial vibration band dynamic grinding block of ultrasonic amplitude transformer
Radial vibration, so as to realize ultrasonic wave added cross grinding process.
2. a kind of large scale radial ultrasonic according to claim 1 aids in cross grinding mill, it is characterised in that：It is described super
Sonic transducer includes piezoelectric vibrator；The piezoelectric vibrator promotes abrading block to produce the ultrasonic vibration of certain frequency and amplitude；The magnetic
On power bar two first annular magnet match with the position of magnetic support upper two the second annular magnets of seat and junction pole
Property it is identical, make magnetic rod magnetic support seat on realize contactless supporting role.
3. a kind of large scale radial ultrasonic according to claim 1 aids in cross grinding mill, it is characterised in that：The mill
Block includes abrasive material block and abrading block pedestal；The abrasive material block of the abrading block front end is wedge-like engagement, the mill of abrading block rear end with abrading block pedestal
Material block is with abrading block pedestal for right angle coordinates；It is fixed by elastic washer and bolt between the abrasive material block and abrading block pedestal.
4. a kind of large scale radial ultrasonic according to claim 3 aids in cross grinding mill, it is characterised in that：The mill
Single layer of abrasive particles or the abrading block surface are made using the method for plating or soldering multilayer mill is made using the method for sintering in block surface
The abrading block of material；Abrasive material uses super hard abrasive or conventional abrasive material on the abrading block；If the abrading block surface can be used to dissociate without abrasive particle
The ultrasonic wave added grinding and polishing of abrasive particle.
5. a kind of large scale radial ultrasonic according to claim 1 aids in cross grinding mill, it is characterised in that：The mill
Block number, can be according to the specific size of large scale mill, the size of single vibrating mass and need of work Reasonable adjustment.
6. a kind of large scale radial ultrasonic according to claim 1 aids in cross grinding mill, it is characterised in that：The mill
Block is distributed along basal disc even circumferential, there is certain gap between adjacent abrading block, is filled with flexible material in gap.
7. a kind of large scale radial ultrasonic according to claim 1 aids in cross grinding mill, it is characterised in that：The mill
The finishing of disk：If soldering and plating abrading block, then first the upper surface block of abrading block is polished, then its surface by plating or
Method for welding is made individual layer abrasive material；If sintering grinding block or without abrasive particle abrading block, then surface can be realized by way of attrition
Finishing.
8. a kind of large scale radial ultrasonic according to claim 1 aids in cross grinding mill, it is characterised in that：The base
End of trying to get to the heart of a matter is distributed with circular coil, and the circular coil is connected power supply with brush contact, and wherein ground wire is shared；All abrading block power supplys
Supply provided by large power supply, each abrading block have it is corresponding amplify and regulation circuit, to adapt to each abrading block
Between vibrate when intrinsic frequency difference, and during use intrinsic frequency minor variations.
9. a kind of large scale radial ultrasonic according to claim 1 aids in the application method of cross grinding mill：Including with
Lower step：
A1, by large scale radial ultrasonic auxiliary cross grinding mill be installed on motor, motor drives the large scale radial ultrasonic
The mill rotation of auxiliary cross grinding；
A2, ultrasonic-frequency power supply pass to ultrasonic amplitude transformer by brush and coil, and ultrasonic amplitude transformer band dynamic grinding block is done relative to basal disc
Radial vibration, make abrasive material block grinding work piece.
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| CN201510492598.5A CN105058254B (en) | 2015-08-12 | 2015-08-12 | Large-size radial ultrasonic auxiliary end face grinding abrasive disk |
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| CN201510492598.5A CN105058254B (en) | 2015-08-12 | 2015-08-12 | Large-size radial ultrasonic auxiliary end face grinding abrasive disk |
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| CN105058254B true CN105058254B (en) | 2017-05-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106737242B (en) * | 2016-12-20 | 2018-09-25 | 江苏索力德机电科技股份有限公司 | A kind of the soldering super hard abrasive emery wheel and preparation method in energy grinding perpendicular type face |
| CN108127484B (en) * | 2017-11-29 | 2019-09-06 | 北京空间机电研究所 | A kind of mirror optics processing method and processing unit (plant) using splicing ring bonding |
| CN108818162B (en) * | 2018-06-28 | 2020-05-29 | 杭州电子科技大学 | Novel vibration excitation grinding and polishing tool head device |
| CN113997158B (en) * | 2021-10-31 | 2023-08-11 | 东台市洪华机械配件有限公司 | Screw thread flange sealing face grinding device |
| CN115157021B (en) * | 2022-07-05 | 2024-04-09 | 中国航发贵阳发动机设计研究所 | Magnetic force ultrasonic composite grinding device for large-size variable-section complex cylindrical part |
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| JP2007245325A (en) * | 2006-03-17 | 2007-09-27 | Kazumasa Onishi | Ultrasonic grinding device and grindstone for use therein |
| JP5443960B2 (en) * | 2009-11-27 | 2014-03-19 | 有限会社Ｕｗａｖｅ | Polishing tool |
| JP5957338B2 (en) * | 2012-08-24 | 2016-07-27 | 株式会社ディスコ | Grinding equipment |
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| CN102873646A (en) * | 2012-11-01 | 2013-01-16 | 昆山市大金机械设备厂 | Polishing and grinding disc and polishing device |
| CN103831716A (en) * | 2014-03-26 | 2014-06-04 | 广东赛因迪科技股份有限公司 | Ultrasonic grinding head |
| CN104741981A (en) * | 2015-04-01 | 2015-07-01 | 上海理工大学 | Variable angle supersonic vibration auxiliary grinding device for precision and ultra-precision machining |
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