CN110480427A - A kind of magnetorheological Ultraprecise polished device of ultrasonic activation auxiliary - Google Patents
A kind of magnetorheological Ultraprecise polished device of ultrasonic activation auxiliary Download PDFInfo
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- CN110480427A CN110480427A CN201910801145.4A CN201910801145A CN110480427A CN 110480427 A CN110480427 A CN 110480427A CN 201910801145 A CN201910801145 A CN 201910801145A CN 110480427 A CN110480427 A CN 110480427A
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- 238000005498 polishing Methods 0.000 claims abstract description 147
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 150000001875 compounds Chemical class 0.000 claims abstract description 21
- 230000005284 excitation Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000010358 mechanical oscillation Effects 0.000 claims description 5
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- 238000009826 distribution Methods 0.000 claims description 4
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- 230000033001 locomotion Effects 0.000 abstract description 16
- 238000003754 machining Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001994 activation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000007730 finishing process Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to Ultraprecision Machining fields, specifically disclose a kind of magnetorheological Ultraprecise polished device of ultrasonic activation auxiliary, including lathe, compound vibrating device, polishing system, polishing fluid circulation and the control system being separately connected with above-mentioned each component, conveyer belt is provided in polishing system above polishing wheel, polishing fluid is sent to polishing on conveyer belt by polishing fluid circulation, make the influence that centrifugal force is got rid of when Magnetorheological Polishing liquid movement, the inflection point problem generated when overcoming traditional Magnetorheological Polishing using polishing buff polishing, pass through two stages formula complex vibration Magnetorheological Polishing, high efficiency and high-precision combination can be achieved.
Description
Technical field
The present invention relates to Ultraprecision Machining fields, and in particular to a kind of magnetorheological ultraprecise of ultrasonic activation auxiliary is thrown
Electro-optical device is suitable for processing various hard brittle materials, such as glass, ceramics, synthetic cut stone, quartz, germanium, silicon, graphite etc. nonmetallic
Material.
Background technique
It is more and more accurate with the rapid development of the new high-tech industries such as optics, electronics, space flight and aviation, semiconductor
Components propose tightened up requirement to processing quality, machining accuracy and processing efficiency.Magnetorheological Polishing method is a kind of advanced
Ultraprecise Finishing.Technique of Magnetorheological Finishing is with principles such as hydrodynamics, magnetomechanics, surface chemistry, tribochemistries
Based on, it is effectively applied in the practice of ultraprecise skin processing.The basic principle of Magnetorheological Polishing is using containing abrasive material
The rheological effect that magnetorheological fluid generates under magnetic fields makes its moment generate a flexibility " bistrique " in machining area, passes through
Apply relative motion between " bistrique " and workpiece surface, realizes the material removal of workpiece surface.Magnetorheological Polishing is mainly gone
It is minimum to workpiece sub-surface damage except the buckle layer and crackle layer after fine grinding, it is considered a kind of high quality, undamaged
Advanced finishing process.However, always existing the low problem of polishing efficiency in magnetorheological process.How to improve
Polishing efficiency, there are mainly two types of methods.One is the speed of related movement increased between workpiece and magnetorheological fluid, are cut by increasing
Shear force improves efficiency.Second is to improve magnetic force by increasing magnetic field to improve efficiency.However, excessive relative motion speed
Degree will lead to magnetorheological fluid and generate splashing in process, and excessive magnetic field will increase processing danger coefficient, in addition, current nothing
By permanent magnet or electromagnet is used, acquired magnetic force is in 2T or less.Therefore, how to guarantee real under the premise of great surface quality
Existing high efficiency polishing is the critical issue that current Technique of Magnetorheological Finishing intends to solve.
In addition, ultrasonic vibration machining is also a kind of one of non-traditional Ultraprecision Machining.Ultrasonic vibration system by
The part such as supersonic generator, energy converter, amplitude transformer forms.Its principle is that ultrasonic polishing is that certain ultrasonic vibration power is attached
It is added on polishing workpiece, it is made to make high-frequency vibration with certain frequency and amplitude, to realize that high efficiency polishes.
Summary of the invention
The object of the present invention is to provide a kind of ultrasonic activations for integrating complex vibration processing and Magnetorheological Polishing
Assist magnetorheological Ultraprecise polished device, it is applied widely and can guarantee high efficiency and high-precision.
To reach above-mentioned purpose, the invention provides the following technical scheme: a kind of ultrasonic activation assists magnetorheological ultraprecise
Burnishing device, including bed piece are respectively arranged with compound vibrating device, polishing system, polishing fluid on the bed piece and follow
Loop system and the control system being separately connected with above-mentioned each component；The compound vibrating device is set to the upper of polishing system
Side, the compound vibrating device drive workpiece rotation and workpiece are driven to vibrate in the horizontal and vertical directions；The polishing fluid follows
Loop system includes the collector for passing sequentially through pipeline connection, polishing liquid container, pump and nozzle, and the polishing liquid container is to polishing fluid
It is stirred, constant temperature and permanent viscosity control；The polishing system is set on the workbench being fixed on bed piece, the throwing
Photosystem includes polishing wheel and conveyer mechanism, and the polishing wheel is passed through by polishing wheel motor driven, the polishing turbin generator
Lifter plate is arranged on the table, and the two sides of the polishing wheel are respectively equipped with several excitation units, the excitation dress of polishing wheel two sides
It is opposite to set pole orientation；The conveyer mechanism includes four rolling and the conveyer belt for sequentially passing through four rolling, and described four
Idler wheel is square distribution, and the top of the conveyer belt is located at the top of polishing wheel, and one of idler wheel passes through biography in four rolling
Belt conveying motor driving；One end of the nozzle face conveyer belt top of the polishing fluid circulation, the collector are set to biography
Send the other end with top.
It is further provided in, the bed piece is equipped with lathe bed vertical axis, and the side of the lathe bed vertical axis is set
There is guide rail, sliding block can be provided with to vertical sliding on the guide rail, the side of the sliding block is connected with swinging disc, the compound vibration
Dynamic device is fixed on the side of swinging disc；The centre of gyration and horizontal direction parallel of the swinging disc.It can be real by control lathe
Existing compound vibrating device vertical movement and the shaft coupling movement swung.
It is further provided in, the compound vibrating device includes bottom plate, upper head plate, vibrating motor and rotary ultrasonic
Wave apparatus, the bottom plate are fixed on swinging disc, and the upper head plate and bottom plate are arranged in parallel, and level is set on the bottom plate
There is a cross bar, the upper head plate is movably set on cross bar, and spring is equipped between the upper head plate and bottom plate；The vibrating motor
Main shaft eccentric wheel is connected with by shaft coupling, the eccentric wheel nestles up the side of upper head plate；It is set on the outside of the upper head plate
There is fixing sleeve, the rotary ultrasonic wave apparatus is fixedly installed in fixing sleeve；The rotary ultrasonic wave apparatus includes sleeve, ultrasound
Wave producer, rotating electric machine and work piece holder, the supersonic generator are set in sleeve, and the supersonic generator connects
It connects on the output shaft of rotating electric machine, the work piece holder is set to the bottom of supersonic generator.Compound vibrating device passes through
Rotating electric machine drives workpiece to rotate, while driving workpiece to make horizontally and vertically by vibrating motor and supersonic generator
Complex vibration on direction.
It is further provided in, the supersonic generator is connected separately with carbon brush, energy converter, amplitude transformer, the carbon
Brush provides supersonic frequency electric energy for supersonic generator, and ultrasonic electric signals are converted to supersonic frequency mechanical oscillation by the energy converter,
The amplitude transformer amplifies the vibration amplitude of energy converter；The work piece holder is fixedly installed on the bottom of amplitude transformer.
It is further provided in, the vibration frequency of the supersonic generator is 12 kilo hertzs or more, the rotating electric machine
Rotation speed be 10000 revs/min or less.
It is further provided in, the polishing wheel is that two sides are symmetrical, middle radius is big, the gradually smaller spinning of both ends radius
Cone cell, the every side in the two sides of polishing wheel are respectively set there are four excitation unit, and four excitation units are evenly distributed on the one of polishing wheel
On skew back face, the excitation unit internal magnetic field lines are parallel with the inclined-plane of polishing wheel, and the excitation unit magnetic of polishing wheel two sides
Extreme direction is on the contrary, form the mutual corresponding state that the pole S and the pole N are at an angle of along two sides inclined-plane；The polishing at the polishing wheel center
Fluting forms fluting burnishing surface on face.
It is further provided in, the magnetic induction intensity of the excitation unit is 1200 Gausses or more.
It is further provided in, the workbench is equipped with pedestal, and the pedestal is equipped with support plate, the support plate
It is equipped with bottom plate, the transmission translator is set on bottom plate；The bottom plate is equipped with bracket, and the four rolling is respectively set
On the inside of bracket, one of idler wheel in four rolling on the lower is driving wheel, the driving wheel and transmission translator it is defeated
Axis connection out.
It is further provided in, the side of the conveyer belt is equipped with contact roller, and the contact roller is connected with compression control
Nut, to adjust the elastic of conveyer belt.
It is further provided in, the bottom of the lifter plate is equipped with lifter plate adjusting nut, to adjust polishing wheel
Highly.
The present invention compares with the prior art, the beneficial effect is that:
1. the present invention introduces conveyer belt between the nozzle and collector of polishing fluid circulation, make Magnetorheologicai polishing liquid
The influence that centrifugal force is got rid of when movement, the inflection point problem generated when overcoming traditional Magnetorheological Polishing using polishing buff polishing.
2. polishing wheel provides staggeredly alternate magnetic field in the present invention, is become more complicated to process lines, be conducive to disappear
Except convolution error, waveform error is effectively reduced, the surface accuracy after improving processing, opposite opposite pole at an angle to each other can generate
Magnetic field that is stronger, more concentrating；The fluting of the groove face of permanent magnetic wheels forms the small abrasive nose of multiple homogenizing due to the presence of magnetic field peak angle,
Raising processing quality is more advantageous to after polishing.
3. complex vibration is processed and combined with Magnetorheological Polishing by the present invention, removal rate and the processing of Magnetorheological Polishing are improved
Precision.The presence of the ultrasonic activation of vertical direction, abrasive grain reinforces the shock of workpiece, so that semisolid flexibility bistrique and workpiece
Pressure become larger, removal rate increase；And the presence of the vibration in vertical magnetic field direction has so that the pressure of workpiece surface equalizes
Conducive to improvement surface quality.
Detailed description of the invention
Fig. 1 is arrangement structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of compound vibrating device in the present invention.
Fig. 3 is the structural schematic diagram of rotary ultrasonic wave apparatus in the present invention.
Fig. 4 is the structural schematic diagram of polishing system and polishing fluid circulation in the present invention.
Fig. 5 is the structural schematic diagram of contact roller in the present invention.
Fig. 6 is the structural schematic diagram of polishing wheel in the present invention.
Fig. 7 is the pendulum motion schematic diagram of swinging disc in the present invention.
In figure: 1, compound vibrating device；2, polishing system；3, workbench；4, guide rail；5, sliding block；6, swinging disc；7, lathe bed
Vertical axis；8, bed piece；9, workpiece；
101, vibrating motor；102, shaft coupling；103, eccentric wheel；104, spring；105, bottom plate；106, rotary ultrasonic wave
Device；107, cross bar；108, fixing sleeve；109, upper head plate；
10601, rotating electric machine；10602, rotating electric machine output shaft；10603, sleeve；10604, carbon brush；10605, luffing
Bar；10606, work piece holder；10607, energy converter；
201, turbin generator is polished；202, lifter plate；203, collector；204, pedestal；205, control nut is compressed；206, it throws
Light liquid container；207, support plate；208, pipeline；209, contact roller；210, polishing wheel；211, idler wheel；212, nozzle；213, it transmits
Band；214, bracket；215, bottom plate；216, it pumps；217, lift adjustment nut；218, driving wheel；219, transmission translator；220, it passes
Belt conveying motor output shaft；
21001, fluting burnishing surface；21002, excitation unit；21003, polishing wheel motor output shaft；21004, the pole N；
21005, the pole S.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below by embodiment and in conjunction with attached
Figure, is described in further detail the present invention.
Embodiment: a kind of magnetorheological Ultraprecise polished device of ultrasonic activation auxiliary, as shown in Figure 1, including bed piece
8, compound vibrating device 1, polishing system 2, polishing fluid circulation and the control system being separately connected with above-mentioned each component.
Lathe bed vertical axis 7 and workbench 3 are respectively equipped on bed piece 8；The side of lathe bed vertical axis 7 is equipped with guide rail 4, leads
Sliding block 5 can be provided with to vertical sliding on rail 4, the side of sliding block 5 is equipped with swinging disc 6, and compound vibrating device 1 is fixed on swinging disc
6 outside, the swaying direction of swinging disc 6 is as shown in fig. 7, its centre of gyration and horizontal direction parallel for swinging, and sliding block 5 is in guide rail
It is vertically sliding on 4, the shaft coupling that 1 vertical motion of compound vibrating device and swing can be realized by controlling lathe moves.Polishing
System 2 and polishing fluid follow bad system and are arranged on workbench 3, and compound vibrating device 1 is made to be located at the top of polishing system 2.
Referring to Fig. 2 and Fig. 3, compound vibrating device 1 includes that bottom plate 105, upper head plate 109, vibrating motor 101 and rotation are super
Acoustic wave device 106, bottom plate 105 are fixed on swinging disc 6, and upper head plate 109 and bottom plate 105 are arranged in parallel, on bottom plate 105
Level is fixed with a cross bar 107, and upper head plate 109 is movably set on cross bar 107, is equipped between upper head plate 109 and bottom plate 105
Spring 104.
The main shaft of vibrating motor 101 is connected with eccentric wheel 103 by shaft coupling 102, and the eccentric wheel 103 nestles up upper end
The side of plate 109 can drive compound vibrating device 1 in the horizontal direction when vibrating motor 101 is rotated with movable eccentric wheel 103
Upper vibration.
The outside of upper head plate 109 is equipped with fixing sleeve 108, and rotary ultrasonic wave apparatus 106 is fixedly installed in fixing sleeve 108,
Rotary ultrasonic wave apparatus 106 includes sleeve 10603, supersonic generator, carbon brush 10604, energy converter 10607, amplitude transformer
10605, rotating electric machine 10601 and work piece holder 10606, wherein supersonic generator, carbon brush 10604, energy converter 10607,
Amplitude transformer 10605 is encapsulated with sleeve 10603, and is connected on the output shaft 10602 of rotating electric machine, in rotating electric machine
Rotary motion is realized under 10601 drive, carbon brush 10604 provides supersonic frequency electric energy to supersonic generator, and energy converter 10607 will
Ultrasonic electric signals are converted to supersonic frequency mechanical oscillation, and amplitude transformer 10605 amplifies the vibration amplitude of energy converter, and will surpass
Acoustic vibration passes to workpiece 9 by the way that the work piece holder 10606 of 10605 bottom of amplitude transformer is arranged in, and drives workpiece 9 in Vertical Square
It is vibrated, is worked in conjunction with vibrating motor and rotating electric machine upwards, realize the rotation of workpiece 9 and the resultant motion of complex vibration.
In the present embodiment, the vibration frequency of supersonic generator is 12 kilo hertzs or more, the rotation speed of rotating electric machine 10601
It is 10000 revs/min or less.
Referring to Fig. 4, polishing fluid follows bad system and polishing system 2 by pedestal 204 on workbench 3 in the present embodiment, throws
Light fluid circulation includes the collector 203 for passing sequentially through the connection of pipeline 208, polishing liquid container 206, pumps 216 and nozzle 212,
Wherein polishing liquid container 206 can be stirred polishing fluid, constant temperature and permanent viscosity control.
Polishing system 2 includes polishing wheel 210 and conveyer mechanism, the output shaft company of polishing wheel 210 and polishing turbin generator 201
It connects, polishing turbin generator 201 is arranged on base 204 by lifter plate 202, and the bottom of lifter plate 202 is equipped with lifter plate and adjusts spiral shell
Mother 217, it is strong and weak so as to adjust the magnetic field of polishing area for adjusting the height of polishing wheel 210；Polishing wheel 210 uses two sides pair
Claim, the shape that middle radius is big, radius gradually smaller similar spinning in both ends is bored, as shown in fig. 6, the every side in its two sides is respectively arranged with
Four excitation units 21002, are distributed on the side inclined-plane of polishing wheel 210 in succession in 90 ° of angles, in excitation unit 21002
Portion's magnetic line of force is parallel with inclined-plane, and on the other side inclined-plane of polishing wheel 210, also there are four excitation unit 21002, magnetic for corresponding distribution
Extreme direction and the other side are on the contrary, form the pole S 21005, the mutual corresponding state that 21004 two sides inclined-plane of the pole N is at an angle of；And it is throwing
It slots on the burnishing surface at 210 center of halo, forms fluting burnishing surface 21001；In the present embodiment, the magnetic strength of excitation unit 21002
Answering intensity is 1200 Gausses or more.
Pedestal 204 is equipped with support plate 207, and support plate 207 is equipped with bottom plate 215, and bottom plate 215 is equipped with bracket 214；It passes
Tape-feed includes four rolling 211 and the conveyer belt 213 that is connected on four rolling 211, and four rolling 211 is respectively arranged at
214 inside of bracket, be square distribution, and the conveyer belt 213 for sequentially passing through four rolling 211 is also square therewith；It is underlying
In two idler wheels, one of idler wheel is driving wheel 218, is connect with the output shaft 220 of transmission translator 219, transmission translator
219 are set on bottom plate 215；The top of conveyer belt 213 is located at the top of polishing wheel 210, and conveyer belt 213 is in transmission translator
It under 219 drive, is moved along four rolling 211, and with the direction of motion identical with polishing wheel 210 by polishing wheel 210
Top；One end of 212 face conveyer belt of nozzle, 213 top of fluid circulation is polished, collector 203 is set on conveyer belt 213
The other end on side.
In above-mentioned polishing system 2 and polishing fluid circulation, polishing wheel is adjusted by adjusting lifter plate adjusting nut 217
At a distance from 210 conveyer belt 213 right above it, the magnetic field for changing polishing area is strong and weak；Magnetorheologicai polishing liquid holds in polishing fluid
In device 206, after agitated, constant temperature and permanent viscosity control, by the pressure-driven of pump 216, sent by nozzle 212 to biography through pipeline 208
It send on band 213, by the surface of the underface of workpiece 9 and polishing wheel 210 under the drive of conveyer belt 213, is being passed after polishing
It send and is recycled in polishing liquid container 206 under the drive of band 213 by collector 203, then by 216 extraction of pump, so recycle.To avoid
Conveyer belt 213 skids, and is equipped with contact roller 209 in the side of conveyer belt 213, as shown in figure 5, contact roller 209 is connected with compression control
Nut 205 processed, for adjusting the elastic of conveyer belt 213.
The present embodiment is broadly divided into two stages progress when being embodied Ultraprecise polished, and wherein the first stage is to pursue
Efficiency is target, the specific steps are as follows:
1. adjusting lifter plate adjusting nut 217, reduce polishing wheel 210 at a distance from conveyer belt 213, polishing area obtains larger
Magnetic field starts and polishes turbin generator 201, and after 210 stabilizations of speed of polished wheel, polishing area generation above it is staggeredly alternate to be had
The stabilizing magnetic field of rule；
2. starting transmission translator 219, the speed of service of conveyer belt 213 is tuned up by control transmission translator 219；
3. starting pump 216, the Magnetorheologicai polishing liquid polished in liquid container 206 is sent from nozzle 212 to transmission through pipeline 208
On band 213, and Magnetorheologicai polishing liquid is sent to the underface of workpiece 9 by conveyer belt 213, Magnetorheologicai polishing liquid enters conveyer belt
When the magnetic field that 213 underface polishing wheels 210 generate, Magnetorheologicai polishing liquid generates rheological effect, and viscosity is fast within the Millisecond time
Speed increases, and forms the polishing tool of semi-solid on 213 surface of conveyer belt, drives the effect in hydrodynamic by conveyer belt 213
Lower realization polishing；
4. starting rotary ultrasonic wave apparatus 106 and vibrating motor 101, horizontal direction mechanical oscillation, vertical direction ultrasound
Wave vibration, the workpiece 9 of rotary motion and the flexible polishing tool contact of 9 lower end of workpiece, realize high efficiency and high-precision magnetic current
Become polishing；
5. the ganged movement by lathe controls, the machining locus of requirement is formed, high-precision finished surface is finally obtained；
6. the Magnetorheologicai polishing liquid after polishing is sent under the drive of conveyer belt 213 to collector 203 is received, flows into polishing fluid and hold
In device 206, then by 216 extraction of pump, repeatedly, to realize recycling for Magnetorheologicai polishing liquid, and remain stable
Polishing performance.
Second stage is to pursue precision as target, the specific steps are as follows:
1. adjusting lifter plate adjusting nut 217, at a distance from conveyer belt 213, polishing area obtains the appropriate polishing wheel 210 that increases
Lesser magnetic field starts and polishes turbin generator 201, and after 210 stabilizations of speed of polished wheel, polishing area above it generates phase of interlocking
Between regular stabilizing magnetic field；
2. starting transmission translator 219, the speed of service of conveyer belt 213 is suitably adjusted by control transmission translator 219
Slowly；
3. starting pump 216, the Magnetorheologicai polishing liquid polished in liquid container 206 is sent from nozzle 212 to transmission through pipeline 208
On band 213, and Magnetorheologicai polishing liquid is sent to the underface of workpiece 9 by conveyer belt 213, Magnetorheologicai polishing liquid enters conveyer belt
When the magnetic field that 213 underface polishing wheels 210 generate, Magnetorheologicai polishing liquid generates rheological effect, and viscosity is fast within the Millisecond time
Speed increases, and forms the polishing tool of semi-solid on 213 surface of conveyer belt, drives the effect in hydrodynamic by conveyer belt 213
Lower realization polishing；
4. starting vibrating motor 101 and rotating electric machine 10601, horizontal direction mechanical oscillation, rotary motion workpiece 9 with
The flexible polishing tool contact of 9 lower end of workpiece, realizes the Magnetorheological Polishing of higher precision；
5. the ganged movement by lathe controls, the machining locus of requirement is formed, high-precision finished surface is finally obtained；
6. the Magnetorheologicai polishing liquid after polishing is sent under the drive of conveyer belt 213 to collector 203 is received, flows into polishing fluid and hold
In device 206, then by 216 extraction of pump, repeatedly, to realize recycling for Magnetorheologicai polishing liquid, and remain stable
Polishing performance.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of ultrasonic activation assists magnetorheological Ultraprecise polished device, including bed piece, distinguish on the bed piece
It is provided with compound vibrating device, polishing system, polishing fluid circulation and the control system being separately connected with above-mentioned each component；
The compound vibrating device is set to the top of polishing system, and the compound vibrating device drives workpiece rotation and band is started building
Part vibrates in the horizontal and vertical directions；
The polishing fluid circulation includes the collector for passing sequentially through pipeline connection, polishing liquid container, pump and nozzle, the throwing
Light liquid container is stirred polishing fluid, constant temperature and permanent viscosity control；
It is characterized by: the polishing system is set on the workbench being fixed on bed piece, the polishing system includes
Polishing wheel and conveyer mechanism, the polishing wheel are arranged by polishing wheel motor driven, the polishing turbin generator by lifter plate
On the table, the two sides of the polishing wheel are respectively equipped with several excitation units, the excitation unit pole orientation of polishing wheel two sides
On the contrary；The conveyer mechanism includes four rolling and the conveyer belt for sequentially passing through four rolling, and the four rolling is square
Distribution, the top of the conveyer belt are located at the top of polishing wheel, and one of idler wheel is driven by transmission translator in four rolling
It is dynamic；One end of the nozzle face conveyer belt top of the polishing fluid circulation, the collector are set to conveyer belt top
The other end.
2. a kind of ultrasonic activation according to claim 1 assists magnetorheological Ultraprecise polished device, it is characterised in that: institute
Bed piece is stated equipped with lathe bed vertical axis, the side of the lathe bed vertical axis is equipped with guide rail, can vertical sliding on the guide rail
Ground is provided with sliding block, and the side of the sliding block is connected with swinging disc, and the compound vibrating device is fixed on the side of swinging disc；Institute
State the centre of gyration and horizontal direction parallel of swinging disc.
3. a kind of ultrasonic activation according to claim 2 assists magnetorheological Ultraprecise polished device, it is characterised in that: institute
Stating compound vibrating device includes bottom plate, upper head plate, vibrating motor and rotary ultrasonic wave apparatus, and the bottom plate is fixed on swing
On disk, the upper head plate and bottom plate are arranged in parallel, and horizontal on the bottom plate to be equipped with a cross bar, the upper head plate is slidingly connected
In on cross bar, spring is equipped between the upper head plate and bottom plate；
The main shaft of the vibrating motor is connected with eccentric wheel by shaft coupling, and the eccentric wheel nestles up the side of upper head plate；
The outside of the upper head plate is equipped with fixing sleeve, and the rotary ultrasonic wave apparatus is fixedly installed in fixing sleeve；The rotation
Ultrasonic unit includes sleeve, supersonic generator, rotating electric machine and work piece holder, and the supersonic generator is set to set
In cylinder, the supersonic generator is connected on the output shaft of rotating electric machine, and the work piece holder is set to supersonic generator
Bottom.
4. a kind of ultrasonic activation according to claim 3 assists magnetorheological Ultraprecise polished device, it is characterised in that: institute
It states supersonic generator and is connected separately with carbon brush, energy converter, amplitude transformer, the carbon brush provides supersonic frequency electricity for supersonic generator
Can, ultrasonic electric signals are converted to supersonic frequency mechanical oscillation by the energy converter, and the amplitude transformer is by the vibration amplitude of energy converter
It amplifies；The work piece holder is fixedly installed on the bottom of amplitude transformer.
5. a kind of ultrasonic activation according to any one of claims 1-4 assists magnetorheological Ultraprecise polished device,
Be characterized in that: the vibration frequency of the supersonic generator is 12 kilo hertzs or more, and the rotation speed of the rotating electric machine is 10000
Rev/min or less.
6. a kind of ultrasonic activation according to claim 1 assists magnetorheological Ultraprecise polished device, it is characterised in that: institute
Stating polishing wheel is that two sides are symmetrical, middle radius is big, the gradually smaller spinning cone cell of both ends radius, and the every side in the two sides of polishing wheel is set respectively
It sets there are four excitation unit, four excitation units are evenly distributed on the side inclined-plane of polishing wheel, the excitation unit inner magnet
The line of force is parallel with the inclined-plane of polishing wheel；Fluting forms fluting burnishing surface on the burnishing surface at the polishing wheel center.
7. a kind of ultrasonic activation according to claim 6 assists magnetorheological Ultraprecise polished device, it is characterised in that: institute
The magnetic induction intensity for stating excitation unit is 1200 Gausses or more.
8. a kind of ultrasonic activation according to claim 1 assists magnetorheological Ultraprecise polished device, it is characterised in that: institute
Workbench is stated equipped with pedestal, the pedestal is equipped with support plate, and the support plate is equipped with bottom plate, and the transmission translator is set
It is placed on bottom plate；The bottom plate is equipped with bracket, and the four rolling is separately positioned on the inside of bracket, in four rolling on the lower
One of idler wheel be driving wheel, the output axis connection of the driving wheel and transmission translator.
9. a kind of ultrasonic activation according to claim 1 or 8 assists magnetorheological Ultraprecise polished device, feature exists
In: the side of the conveyer belt is equipped with contact roller, and the contact roller is connected with compression control nut, to adjust the pine of conveyer belt
Tightly.
10. a kind of ultrasonic activation according to claim 1 assists magnetorheological Ultraprecise polished device, it is characterised in that:
The bottom of the lifter plate is equipped with lifter plate adjusting nut.
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| CN201910801145.4A CN110480427A (en) | 2019-08-28 | 2019-08-28 | A kind of magnetorheological Ultraprecise polished device of ultrasonic activation auxiliary |
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| CN112476125A (en) * | 2020-12-10 | 2021-03-12 | 天津市聚兴鑫新能源科技有限公司 | Online deburring device of photovoltaic support |
| CN112658958A (en) * | 2020-12-22 | 2021-04-16 | 广东工业大学 | Cluster magnetorheological ultrasonic composite polishing device and method |
| CN114029850A (en) * | 2021-11-23 | 2022-02-11 | 大连理工大学 | Multi-magnetic-field complex curved surface chemical mechanical polishing equipment |
| CN114055257A (en) * | 2021-11-23 | 2022-02-18 | 大连理工大学 | Controlled magnetic field complex curved surface chemical mechanical polishing device |
| US20220097194A1 (en) * | 2020-09-25 | 2022-03-31 | Shandong University Of Technology | Magnetic field-assisted vibratory finishing device for minute structure and finishing method |
| CN116721844A (en) * | 2023-08-11 | 2023-09-08 | 成都双星变压器有限公司 | Copper conductive auxiliary connection structure of traction transformer and installation method thereof |
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| CN117681105B (en) * | 2024-02-04 | 2024-04-12 | 靖江市富源船舶配件有限公司 | Boats and ships platemaking end cap burnishing device |
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