CN206305892U - A kind of roller type magnetorheological finishing device - Google Patents
A kind of roller type magnetorheological finishing device Download PDFInfo
- Publication number
- CN206305892U CN206305892U CN201621357832.XU CN201621357832U CN206305892U CN 206305892 U CN206305892 U CN 206305892U CN 201621357832 U CN201621357832 U CN 201621357832U CN 206305892 U CN206305892 U CN 206305892U
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- Prior art keywords
- carrier fluid
- fluid groove
- buff spindle
- worm
- workpiece
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Abstract
A kind of roller type magnetorheological finishing device,Including frame,Carrier fluid groove,Buff spindle,Permanent magnet,And transmission mechanism,The transmission mechanism is only driven by a motor,It is made up of a pair of worm and gears and a pair of helical gears,Workpiece is fixed on the carrier fluid groove medial surface equipped with magnetic flow liquid,During the buff spindle is located at the top of carrier fluid groove and stretches into carrier fluid groove vertically,The permanent magnet is placed in buff spindle,It is 3~5mm with buff spindle inner surface level interval,The outer surface of the buff spindle is 3~5mm with the horizontal range of workpiece polished surface,The bottom surface of the carrier fluid groove is provided with guide rail,The sliding block coordinated with guide rail is arranged in the frame,The worm gear drives buff spindle to rotate,The helical gear drives carrier fluid groove to be done reciprocating linear motion under cooperation of the guide rail with sliding block,The utility model has compact conformation,Energy loss is small,Control is simple,It is capable of achieving recycling for magnetic flow liquid,It is applicable to the polishing of long and narrow workpiece.
Description
Technical field：
The utility model is related to polissoir, particularly a kind of to be driven and workpiece is entered using magnetic flow liquid using single motor
The device of row uniform polish.
Background technology：
With developing rapidly for optical system and precision instrument technology, ultra-smooth large-size device application it is increasingly extensive right
The surface of opto-electronic device and form accuracy propose requirement higher.Ultraprecision Machining is during opto-electronic device is manufactured
Support technology, is widely used in the fields such as Aero-Space, electronic communication, bioengineering, information technology, and achieve the hair of brilliance
Exhibition, has become the key areas in competitive enterprise high.With the continuous improvement of photovoltaic performance, dimension plane element
Application it is more and more extensive, for processing these devices, to meet that unit removal amount is few, residual stress is small etc. requires.And it is traditional
Plane polishing processing method, such as gyro-finishing, chemically mechanical polishing, the outer surface of perishable workpiece, or even Asia can be caused
Surface damage, production cost are high, the low problem of efficiency.
Magnetic flow liquid is a kind of brand-new material, and when not adding magnetic field, magnetic flow liquid is the same as common fluid；Plus certain strong
Behind degree magnetic field, magnetic flow liquid can be rapidly gone to viscoplastic Bingham media, and it is flowing that magnetic field can become again again after disappearing
Liquid.Magnetic rheology effect is caused so as to promote the formation of microstructure due to there is mutual attractive force between magnetic-particle
, the core of magnetic rheology effect is that the attraction that solid particle is induced between dipole, dipole under outer field action causes
Particle chaining and phase separation.The performance characteristic that magnetic flow liquid has is：Settling stability is good, be easy to redisperse, high yield stress,
Null field viscosity is low, and the response time is fast, operating temperature range is wide.
MRF is a kind of precision processing technology, addition is improved based on magnetic flow liquid and is obtained
Magnetorheologicai polishing liquid is polished to workpiece, and Magnetorheologicai polishing liquid is by magnetosensitive particulate, non magnetic polishing abrasive particle and surface-active
Agent is formed after being dispersed in base load liquid, is dispersed in base load liquid after magnetosensitive particulate and Action of Surfactant, non magnetic
Polishing abrasive particle is added in magnetic flow liquid before processing, and by stirring, polishing abrasive particle is also dispersed in base load liquid.Magnetorheological throwing
Light liquid solidifies under magnetic fields, machining area formed Bingham viscoplasticity bodies, with its as controllable line-like area throwing
Optical tool, is polished to workpiece.
ZL201410528441.9 patent documents disclose a kind of reciprocating magnetorheological finishing device, and rubbing head is by workpiece
Axle, the non-magnetic fixture for being fixed on workpiece spindle lower end and soft magnet plate are constituted, and workpiece is fixed on non-magnetic fixture, equipped with magnetorheological
The carrier fluid groove of liquid is located at rubbing head bottom, and during polishing in workpiece immersion magnetic flow liquid, the position of carrier fluid groove immobilizes, electromagnet
Positioned at carrier fluid groove bottom, electromagnet drives linear reciprocation of making parallel with workpiece polished surface to move by reciprocating transmission mechanism, workpiece
The removal of surfacing is completed under the compound motion that magnetic field translation and workpiece are rotated.The advantage of this device is homogenizing property of magnetic field
It is good, long and narrow big flat work pieces can be processed, but because the position of carrier fluid groove immobilizes, magnetic flow liquid will not be circulated, in electricity
Magnet is parallel with workpiece polished surface when making straight reciprocating motion, only when electromagnet move to workpiece just to lower zone
When, magnetic flow liquid herein just forms Bingham viscoplasticity bodies, therefore can not realize the recycling of magnetic flow liquid.
ZL201410120264.0 patent documents disclose a kind of MRF suitable for super large caliber optical manufacturing
Device, the device is made up of magnetic flow liquid burnishing device system and magnetic flow liquid EGR system.Magnetic flow liquid is by supply
Pump reaches shower nozzle, and the magnetic flow liquid of shower nozzle outflow moves to permanent magnet lower section, under high intensity gradient magnetic, forms ribbon and dashes forward
Rise, optical element is rotated counterclockwise, and belt drive ribbon is moved in perpendicular, and mirror finish is realized in the two relative motion.
The problems such as removal efficiency is low, and the process-cycle is long is processed which solves aperture aspherical, but has the disadvantage that part is relatively more,
Structure is more complicated.
Utility model content：
For the defect of prior art, the utility model provide a kind of simple structure with it is single it is motor-driven, magnetic can be realized
Rheology liquid recycle stream is dynamic and smoothly burnishing device is exchanged in polishing area.
The utility model uses following technical scheme：There is provided a kind of roller type magnetorheological finishing device, it is characterised in that bag
Include：Frame, carrier fluid groove, buff spindle, permanent magnet, and transmission mechanism, are equipped with magnetic flow liquid in the carrier fluid groove, workpiece is by being located at
Non-magnetic fixture in carrier fluid groove is fixed on the medial surface of the carrier fluid groove, the buff spindle be located at the top of the carrier fluid groove and
Stretch into vertically in the carrier fluid groove, the permanent magnet protrudes out mode and is fixed in a magnet frame with level, and is placed on the throwing
In optical axis, the magnet frame is connected with the buff spindle external stability, the magnetic pole outer end of the permanent magnet for spherical structure and with
Workpiece polished surface is just right, and the top edge of the magnetic pole outer end is 3~5mm, institute with the horizontal range of the buff spindle inner surface
It is 3~5mm that the outer surface of buff spindle is stated with the horizontal range of workpiece polished surface, and the bottom surface of the carrier fluid groove is provided with guide rail,
The sliding block coordinated with guide rail is arranged in the frame, and the side of the carrier fluid groove is connected by spring with the frame, another
Side is connected with dividing plate, and the dividing plate connects an eccentric wheel, and the transmission mechanism includes Worm and worm-wheel gearing and helical gear
Transmission mechanism, the Worm and worm-wheel gearing drives the buff spindle to rotate by worm gear, the helical gear drive mechanism
Drive the eccentric wheel and then promotion dividing plate makes the carrier fluid groove be done reciprocating linear motion under cooperation of the guide rail with sliding block.
Further, the Worm and worm-wheel gearing and the helical gear drive mechanism are driven by same motor and turned
It is dynamic, and be connected by shaft coupling and bearing block.
Further, the polishing the tip of the axis is connected with blade.
Operation principle of the present utility model is:Motor drives worm and gear and helical gear operating, and worm gear drives to be thrown
Optical axis is rotated, and permanent magnet is put into buff spindle in being fixed on magnet frame, and buff spindle is put into the carrier fluid equipped with magnetic flow liquid vertically
In groove.In polishing process, permanent magnet can produce high-gradient magnetic field in buff spindle outer surface, in the magnetic current in this region in carrier fluid groove
Become liquid and form the Bingham viscoplasticity bodies with certain degree of hardness, the polishing tool as controllable line-like area, using this glutinous modeling
The shearing force of gonosome is polished to the workpiece of carrier fluid groove inner surface；While polishing, helical gear band movable eccentric wheel is rotated,
Eccentric wheel heads on dividing plate and drives carrier fluid groove to be moved along guide rail direction, and carrier fluid groove side is provided with spring, carrier fluid groove in eccentric wheel and
Moved back and forth along guide rail direction under spring collective effect, magnetic flow liquid is under the collective effect that buff spindle is rotated and carrier fluid groove is moved
Workpiece surface material is uniformly removed.
The utility model roller type magnetorheological finishing device compared with prior art, with advantages below：
1st, the polishing method of roller type is employed to the polissoir innovation formula of the utility model design, using a motor
Single unit system is driven, the overall structure of legacy equipment is simplified so that device structure is more compact, taken up room smaller.
2nd, cause that carrier fluid groove does reciprocating linear motion along guide rail by helical gear drive mechanism, can avoid because magnetic field is strong
Degree skewness causes the workpiece low problem of regional area material removing rate, improves processing efficiency on the whole, and it is described forever
The magnetic pole outer end of magnet is just also causing workpiece for spherical structure and towards buff spindle inner surface to the workpiece polished surface
The polishing effect at edge more preferably, improves the surface figure accuracy of workpiece.
3rd, blade is mounted with polishing shaft end, magnetic flow liquid is stirred by blade, further promote circulation
Flowing also ensure that the stability of magnetic flow liquid internal particle distribution, and simplify the structure of equipment so that whole equipment knot
Structure is compacter.
Brief description of the drawings：
The stereogram of the roller type magnetorheological finishing device that Fig. 1 is provided for the utility model；
Fig. 2 is that the roller type magnetorheological finishing device shown in Fig. 1 does not include the front view of motor；
Fig. 3 is that the roller type magnetorheological finishing device shown in Fig. 1 does not include the top view of motor；
The stereogram at another visual angle of the roller type magnetorheological finishing device that Fig. 4 is provided for the utility model；
Fig. 5 is the partial perspective view of magnet frame and buff spindle in Fig. 4；
Fig. 6 is to remove the complete of the LOOK LEFT after motor and transmission mechanism in roller type magnetorheological finishing device shown in Fig. 1
Sectional view.
In the present embodiment：1- Worm and worm-wheel gearings, 2- helical gear drive mechanisms, 3- magnet frames, 4- buff spindles, 5-
Carrier fluid groove, 6- eccentric wheels, 7- guide rails, 8- springs, 9- motors, 10 shaft couplings, 11- bearing blocks, 12 dividing plates, 13- blades, 14- works
Part, 15- frames, 16- sliding blocks, the non-magnetic fixtures of 17-, 18- permanent magnets, 19- worm gears, 20- helical gears.
Specific embodiment：
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
As shown in Figure 1, Figure 2 with shown in Fig. 6, it is a kind of with single motor-driven roller type MRF that the utility model is provided
Device, can process long and narrow workpiece planarization, including：Frame 15, carrier fluid groove 5, buff spindle 4, permanent magnet 18, and transmission mechanism, it is described
Magnetic flow liquid is housed, workpiece 14 is fixed on the carrier fluid groove 5 by the non-magnetic fixture 17 in carrier fluid groove 5 in carrier fluid groove 5
Medial surface, during the buff spindle 4 is located at the top of the carrier fluid groove 5 and stretches into the carrier fluid groove 5 vertically, make workpiece 14 and throw
Optical axis 4 is immersed in magnetic flow liquid, increases the contact area of workpiece 14 and magnetic flow liquid, so that material removing rate is more
It is high.The permanent magnet 18 protrudes out mode and is fixed in a magnet frame 3 with level, and is placed in the buff spindle 4, the magnet
Frame 3 is connected with the external stability of the buff spindle 4, and the magnetic pole outer end of the permanent magnet 18 is spherical structure, and the magnetic pole outer end
Just to workpiece polished surface, further, the top edge of the magnetic pole outer end and the horizontal range of the inner surface of the buff spindle 4
It is 3~5mm, the outer surface of the buff spindle 4 is 3~5mm with the horizontal range of workpiece polished surface.As shown in figure 5, the throwing
The end of optical axis 4 is connected with blade 13, and magnetic flow liquid can be stirred.Can not only be contracted instead of electromagnet using permanent magnet 18
The volume of small device, reduces working space, can also simplify apparatus structure, is easy to breakdown maintenance.
As shown in Figure 1, Figure 2 and Figure 4, the bottom surface of the carrier fluid groove 5 is provided with guide rail 7, consolidates with the sliding block 16 that guide rail 7 coordinates
It is scheduled in frame 15, the side of the carrier fluid groove 5 is connected by spring 8 with the frame 15, opposite side connects a dividing plate 12, institute
State dividing plate 12 and connect an eccentric wheel 6, and be close to the eccentric wheel 6, the transmission mechanism includes Worm and worm-wheel gearing 1 and spiral shell
Rotation gear drive 2, the Worm and worm-wheel gearing 1 and the helical gear drive mechanism 2 are driven by same motor 9 and turned
It is dynamic, fixation is attached by shaft coupling 10 and bearing block 11 respectively.As shown in Figure 1, Figure 2 and Figure 3, the Worm Wheel System machine
Structure 1 is engaged by a pair of worm and gears, drives the buff spindle 4 to rotate by worm gear 19, and the helical gear drive mechanism 2 passes through
A pair of helical gears 20 engage to drive the eccentric wheel 6, and then promotion dividing plate 12 makes the carrier fluid groove 5 in guide rail 7 and sliding block
Done reciprocating linear motion under 16 cooperation.The material of most of part is non-magnet material in burnishing device, it is to avoid polishing process
In it is affected by magnetic fields and bad result occur.
It is polished using above-mentioned roller type magnetorheological finishing device, is comprised the following steps：
(1) workpiece is arranged on non-magnetic fixture, is fixed on carrier fluid groove medial surface, buff spindle is immersed in carrier fluid groove
Magnetic flow liquid in, the relative position of regulation buff spindle and workpiece is distributed axisymmetrical of the workpiece on buff spindle；
(2) permanent magnet is fixed in magnet frame, is put into buff spindle vertically, regulation permanent magnet is the magnetic pole of spherical structure
Be setting value with the spacing of buff spindle inner surface so that the magnetic flux density of workpiece surface is 0.2-0.5T, regulation buff spindle with
The spacing of workpiece polished surface is setting value；
(3) start motor, drive worm and gear and helical gear synchronous axial system, rotate buff spindle and back and forth moved with carrier fluid groove
Dynamic, the linear reciprocation shift motion for adjusting carrier fluid groove is 100mm；
(4) under the compound action that the movement of carrier fluid groove and buff spindle are rotated, workpiece is polished 60 minutes, realizes workpiece surface
The removal of material；
(5) polishing terminates, and closes down motor, workpiece spindle and carrier fluid groove stop motion, takes magnet frame away, by workpiece from non-magnetic
Unloaded in fixture, workpiece is left magnetic flow liquid.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, or to which part or all technical characteristic
Carry out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model right and want
Seek limited range.
Claims (3)
1. a kind of roller type magnetorheological finishing device, it is characterised in that including：Frame, carrier fluid groove, buff spindle, permanent magnet, and pass
Motivation structure, is equipped with magnetic flow liquid in the carrier fluid groove, workpiece is fixed on the load by the non-magnetic fixture in carrier fluid groove
The medial surface of liquid bath, during the buff spindle is located at the top of the carrier fluid groove and stretches into the carrier fluid groove vertically, the permanent magnet
Mode is protruded out with level to be fixed in a magnet frame, and be placed in the buff spindle, outside the magnet frame and the buff spindle
Portion is fixedly connected, and the magnetic pole outer end of the permanent magnet is spherical structure and just right with workpiece polished surface, the magnetic pole outer end
Top edge is 3~5mm, outer surface and the workpiece polished surface of the buff spindle with the horizontal range of the buff spindle inner surface
Horizontal range is 3~5mm, and the bottom surface of the carrier fluid groove is provided with guide rail, and the sliding block coordinated with guide rail is arranged in the frame,
The side of the carrier fluid groove is connected by spring with the frame, and opposite side is connected with dividing plate, and the dividing plate connects an eccentric wheel,
The transmission mechanism includes Worm and worm-wheel gearing and helical gear drive mechanism, and the Worm and worm-wheel gearing passes through snail
Wheel drives the buff spindle to rotate, and the helical gear drive mechanism drives the eccentric wheel and then promotion dividing plate makes the carrier fluid
Groove does reciprocating linear motion under cooperation of the guide rail with sliding block.
2. roller type magnetorheological finishing device as claimed in claim 1, it is characterised in that：The Worm and worm-wheel gearing and
The helical gear drive mechanism is connected by same motor-driven rotation by shaft coupling and bearing block.
3. roller type magnetorheological finishing device as claimed in claim 1, it is characterised in that：The polishing the tip of the axis is connected with
Blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357832.XU CN206305892U (en) | 2016-12-12 | 2016-12-12 | A kind of roller type magnetorheological finishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357832.XU CN206305892U (en) | 2016-12-12 | 2016-12-12 | A kind of roller type magnetorheological finishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206305892U true CN206305892U (en) | 2017-07-07 |
Family
ID=59251304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621357832.XU Withdrawn - After Issue CN206305892U (en) | 2016-12-12 | 2016-12-12 | A kind of roller type magnetorheological finishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206305892U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736879A (en) * | 2016-12-12 | 2017-05-31 | 东北大学 | A kind of roller type magnetorheological finishing device and method |
| CN108311961A (en) * | 2018-04-25 | 2018-07-24 | 东北大学 | A kind of circulation static pressure type magnetorheological finishing device |
| CN110253091A (en) * | 2019-06-27 | 2019-09-20 | 苏州辰晟优机电科技有限公司 | A kind of polishing mechanism of gear profile |
-
2016
- 2016-12-12 CN CN201621357832.XU patent/CN206305892U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736879A (en) * | 2016-12-12 | 2017-05-31 | 东北大学 | A kind of roller type magnetorheological finishing device and method |
| CN108311961A (en) * | 2018-04-25 | 2018-07-24 | 东北大学 | A kind of circulation static pressure type magnetorheological finishing device |
| CN108311961B (en) * | 2018-04-25 | 2019-12-10 | 东北大学 | Circulation static pressure type magnetorheological polishing device |
| CN110253091A (en) * | 2019-06-27 | 2019-09-20 | 苏州辰晟优机电科技有限公司 | A kind of polishing mechanism of gear profile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170707 Effective date of abandoning: 20181023 |
|
| AV01 | Patent right actively abandoned |