CN207358732U - A kind of long stroke synchronous hunting magnetorheological finishing device - Google Patents
A kind of long stroke synchronous hunting magnetorheological finishing device Download PDFInfo
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- CN207358732U CN207358732U CN201721314001.9U CN201721314001U CN207358732U CN 207358732 U CN207358732 U CN 207358732U CN 201721314001 U CN201721314001 U CN 201721314001U CN 207358732 U CN207358732 U CN 207358732U
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- polishing
- workpiece
- arm mechanism
- rubbing head
- electromagnet
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Abstract
A kind of long stroke synchronous hunting magnetorheological finishing device, including rubbing head, fill the polishing disk of magnetic flow liquid and positioned at polishing disk lower part, electromagnet corresponding with rubbing head；Rubbing head and electromagnet drive the reciprocally swinging that can synchronously do less than 180 ° by transmission mechanism by turning shaft-driven upper rocker arm mechanism and lower shake-changing arm mechanism respectively；Polishing disk can be around axial rotation under speed regulating motor driving.The beneficial effect polished with the device is polishing locus stroke length, and workpiece polishing is abundant, and workpiece material removes obvious；Movement interference superposition is abundant, and the Micro texture track that workpiece surface is formed is complicated, and workpiece polished surface quality is complete；Exchanged easy to the circulation of polishing area magnetic flow liquid, make machining chips be easier to follow the magnetic flow liquid for switching to liquid phase to leave polishing area in time, be conducive to improve polished surface Micro texture homogenizing characteristic；Apparatus structure is simple, compact, easily operated.
Description
Technical field
It the utility model is related to optical precision processing technology, it is particularly a kind of that workpiece is polished using magnetic flow liquid
Long stroke synchronous hunting magnetorheological finishing device.
Background technology
It is easy to cause that sub-surface damage is serious, polishing fluid is dirty for workpiece outer surface corrosion existing for conventional polishing process
Dye, production cost are high, efficiency is low and the series of problems such as scrappage is high, occur a kind of magnetic current in recent years in Ultra-precision Turning field
Become glossing.It is by adding appropriate Polishing Powder in magnetic flow liquid, is cured using magnetic flow liquid in magnetic feature lower class,
Machining area formed with certain degree of hardness and elasticity, larger shear stress can be born, workpiece is polished.Magnetorheological Polishing is made
The optical surface being of high quality can be obtained, be easily achieved computer control, can obtain by having for novel intelligent polishing technology
More complicated face shape, removal efficiency be high, there is no the advantages that tool wear and clogging, has in Ultra-precision Turning field
High application value.The technique has been widely used in aerospace, electromechanical engineering, automobile engineering, civil engineering, precision
Process engineering, the control technical field such as engineering and Medical Devices.
Rochester University of U.S. W.I.Kordonski discloses a kind of Magnetorheological Polishing equipment, it puts magnetic flow liquid
In the carrier fluid groove that one rotates, it (can be single or multiple magnetic pole or magnetic that carrier fluid trench bottom, which configures various forms of magnetic fields,
Yoke), magnetic flow liquid enters the gap between workpiece and magnetic field under the drive of carrier fluid groove, and rheology reaction occurs, and realizes that certainty is thrown
Light.Its main feature is that the large area magnetization of magnetic flow liquid is realized, but magnetic flux density decays on the vertical direction of magnetic pole surfaces
Comparatively fast, and magnetic field is nonuniform magnetic fields, and the polishing tool hardness that magnetic flow liquid is formed after curing is uneven, flat greatly for workpiece
Face surface Polishing machining is ineffective.
ZL201220423641.4 patents disclose a kind of magnetorheological plane polishing processing technology of cluster, utilize the micro- mill of cluster
The i.e. effect curing characteristic of head, becomes single magnet as multiple micro- magnetic pole bodies in burnishing device, in non-magnetic matrix, utilizes magnetic
The material removal efficiency of the micro- bistriques of parametric variations such as the arrangement mode of pole, size.The shortcomings that this device is：It is magnetorheological not
Easy to update, and the magnetic flux density of permanent magnet is uncontrollable so that complicatedization of equipment, and be not easy to disappear after machining
Magnetic, magnetic flow liquid are easily adhered on magnetically grinding instrument.
ZL201310229989.9 patents disclose a kind of magnetorheological plane polishing device, and work is clamped by non-magnetic fixture
Part, sets soft magnet plate between fixture and workpiece spindle, coordinate with the electromagnet of lower section, form uniform magnetic field；Main shaft drives carrier fluid groove, even
Band polishing pad is rotated together with magnetic flow liquid, and above and below workpiece under the magnetic pole effect of equity arrangement, it is anti-that rheology occurs for magnetic flow liquid
Stuart Bingham visco-plastic body should be formed, material is completed to workpiece and removes, polish.The shortcomings that this device is：It is short to polish stroke, processing
Chip cannot discharge in time, and finished surface is also easy to produce defect, influence the quality of finish of workpiece.
Above-mentioned magnetorheological device, since there are magnetic field position is immutable, movement interference superposition in polishing area is less, polishing stroke
The defects of short, influence the removal amount of workpiece material and the integrality of polished surface and uniformity.
Utility model content
The purpose of this utility model is to provide a kind of move with polishing area in view of the above-mentioned drawbacks of the prior art to do
It is good, magnetorheological to relate to abundant superposition, the Micro texture track complexity of polishing workpiece surface formation, polished surface integrality and uniformity
Liquid exchanges the long stroke synchronous hunting magnetorheological finishing device that smooth, machining chips are easily drained in polishing area.
To achieve the above object, long stroke synchronous hunting magnetorheological finishing device provided by the utility model includes polishing
Head, fill the polishing disk of magnetic flow liquid and positioned at polishing disk lower part, electromagnet corresponding with rubbing head；The rubbing head and electromagnetism
Iron respectively from transmission mechanism by turn shaft-driven a upper rocker arm mechanism and lower shake-changing arm mechanism drive can synchronously do less than 180 ° toward
Physical pendulum moves；The polishing disk can be around axial rotation under speed regulating motor driving.
The transmission mechanism includes the working plate and rack that transmission mechanism motor, embedded eccentric wheel and sidepiece carry rack
Meshed gears and shaft of the gear by key connection and the slide block guide rail installed in working plate lower part；Transmission mechanism motor leads to
Cross eccentric wheel drive working plate to move back and forth by certain stroke on slide block guide rail, the tooth for engaging the rack with working plate sidepiece
Wheel does reciprocating rotation less than 180 °, and gear drives does reciprocating rotation less than 180 ° with the shaft of its key connection, and shaft drives
The reciprocally swinging less than 180 ° synchronously does in the upper rocker arm mechanism and lower shake-changing arm mechanism that one end is fixedly connected with shaft respectively, on
Rocker arm body and lower shake-changing arm mechanism drive rubbing head and electromagnet synchronously to do the reciprocally swinging less than 180 ° respectively.
The method being polished using above-mentioned magnetorheological finishing device, is comprised the following steps：
(1) workpiece is installed in rubbing head, and immersed in the magnetic flow liquid in polishing disk, adjust workpiece and polishing disk
Gap, makes it meet Magnetorheological Polishing requirement；
(2) speed regulating motor is started, driving polishing disk rotates；Electromagnet coil current is loaded, makes up to the magnetic flux of setting
Density；
(3) start driving motor, working plate, by setting stroke reciprocating, is passed through rack tooth under slide block guide rail cooperation
The reciprocal engagement of wheel, makes shaft drive upper rocker arm mechanism and lower shake-changing arm mechanism synchronous reciprocating in the range of 180 ° under the driving of gear
Swing；
(5) polishing terminates, and closes down speed regulating motor and transmission mechanism motor, polishing disk and transmission mechanism shut down；Cut-out
Electromagnet coil current, makes electromagnet lose magnetism, in polishing disk in the form of Stuart Bingham viscoplasticity body existing for magnetic flow liquid weight
Newly switch to liquid phase；Workpiece is left magnetic flow liquid, unloaded from rubbing head.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model makes workpiece and the synchronous reciprocally swinging in the range of 180 ° of electromagnet by transmission mechanism, polishes rail
Mark stroke is grown, and workpiece is obtained a wide range of polishing, and polishing is abundant, and workpiece material removes obvious；It is reciprocal in workpiece and electromagnet
Polishing disk is done rotation movement while swing, and movement interference superposition is abundant, makes the Micro texture track that workpiece surface is formed complicated,
Polished surface integrality and uniformity are good.
2nd, the utility model workpiece is swung and polishing disk is rotated and is overlapped mutually, and is handed over easy to the circulation of polishing area magnetic flow liquid
Change, make machining chips be easier to follow the magnetic flow liquid for switching to liquid phase to leave polishing area in time, do not influence the quality of finish of workpiece.
3rd, the utility model magnetorheological finishing device is simple in structure, compact, easily operated.
Brief description of the drawings
Fig. 1 is the theory structure schematic diagram of the utility model magnetorheological finishing device；
Fig. 2 is upper rocker arm mechanism sectional view；
Fig. 3 is lower shake-changing arm mechanism sectional view；
Fig. 4 is the reciprocal transmission theory structure schematic diagram of transmission mechanism；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is polishing locus stroke schematic diagram.
In figure：1- workpiece spindles, 2- upper rocker arms mechanism, 2-1- workpiece axle sleeves, 2-2- upper rocker arms, 2-3- upper rocker arm axle sleeves, 3-
Rubbing head, 4- workpiece, 5- magnetic flow liquids, 6- polishing disks, 7- electromagnet, 8- lower shake-changing arms mechanism, 8-1- lower shake-changing arms, 8-2- lower shake-changing arms
Axle sleeve, 9- shafts, 10- transmission mechanisms, 10-1- gears, 10-2- racks, 10-3- eccentric wheels, 10-4- working plates, 10-5- sliding blocks
Guide rail.
Embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail.
With reference to Fig. 1, the utility model magnetorheological finishing device includes rubbing head 3, fills 6 and of polishing disk of magnetic flow liquid 5
Positioned at polishing disk lower part, electromagnet 7 corresponding with rubbing head, polished workpiece 4 is installed in rubbing head 3.The rubbing head and
The upper rocker arm mechanism 2 and lower shake-changing arm mechanism 8 that electromagnet is driven by transmission mechanism 10 by shaft 9 respectively, which drive synchronously to do, to be less than
180 ° of reciprocally swinging；The polishing disk can be around axial rotation under speed regulating motor driving.
With reference to Fig. 1, Fig. 2 and Fig. 3, the upper rocker arm mechanism 2 includes upper rocker arm 2-2, one end and the workpiece axle sleeve of upper rocker arm
2-1 is fixedly connected, and workpiece axle sleeve is affixed by key connection and workpiece spindle 1, and the lower end of workpiece spindle and rubbing head are affixed, upper rocker arm
The other end is fixedly connected with upper rocker arm axle sleeve 2-3；The lower shake-changing arm mechanism 8 includes lower shake-changing arm 8-1, and the middle part of lower shake-changing arm is with confession
The arcuate socket that the shaft of polishing disk is passed through, the arc length of arcuate socket is corresponding with the amplitude of fluctuation of lower shake-changing arm, one end of lower shake-changing arm with
The lower end of the electromagnet is fixedly connected, and the other end of lower shake-changing arm is fixedly connected with lower shake-changing arm axle sleeve 8-2.
With reference to Fig. 4 and Fig. 5, the transmission mechanism includes transmission mechanism motor (not shown), embedded eccentric wheel 10-3 and side
Working plate 10-4 (sliding block be installed on working plate bottom surface on, guide rail be installed on (not shown) pedestal on) of the portion with rack 10-2,
With rack meshed gears 10-1 and shaft 9 of the gear by key connection and the slide block guide rail 10-5 installed in working plate lower part.
The upper rocker arm axle sleeve 2-3 of the upper rocker arm mechanism and the lower shake-changing arm axle sleeve 8-2 of the lower shake-changing arm mechanism are consolidated by key connection respectively
It is scheduled in shaft 9.Transmission mechanism motor is moved back and forth by eccentric wheel drive working plate on slide block guide rail by setting stroke, is led to
Cross the gear that the rack drives of working plate sidepiece engage and do reciprocating rotation less than 180 °, gear drives and its key connection
Shaft 9 does the reciprocating rotation less than 180 °, and shaft drives synchronous with the upper rocker arm mechanism and lower shake-changing arm mechanism that shaft is fixedly connected
The reciprocally swinging less than 180 ° is done, upper rocker arm mechanism and lower shake-changing arm mechanism drive rubbing head and electromagnet synchronously to do and be less than respectively
180 ° of reciprocally swinging, arc between A, B in the travel path such as Fig. 6 of 7 synchronous hunting of workpiece 4 and electromagnet in rubbing head
Shown in line.
With reference to Fig. 1 and Fig. 6, the polishing process of the magnetorheological finishing device is, by clamping workpiece in rubbing head, adjusts work
The gap of part and the polishing disk equipped with magnetic flow liquid, scope (being generally less than 2mm) can be polished by reaching.Start speed regulating motor,
Drive polishing disk to be rotated with certain angular velocity omega, by workpiece submergence magnetic flow liquid in face to be processed, it is synchronous with electromagnet along
Polishing travel path A-B does less than 180 ° long stroke camber line reciprocally swingings.Workpiece and electromagnet start to polish in limit A points, edge
Polishing travel path to limit B points, does one-stroke polishing.The magnetic flow liquid of corresponding region is under electromagnet effect in polishing disk
The class solid-state Stuart Bingham viscoplasticity body with certain degree of hardness and elasticity is formed, composition can bear larger shearing force and controllable point-like
Region polishing tool, polishing particles are contacted with workpiece lower surface in the magnetic flow liquid in the region, and modeling is sticked using class solid-state Stuart Bingham
The shearing force of property body is polished workpiece in the region.Workpiece and electromagnet from limit B points along same travel path to
Limit A points, complete a polishing cycle, the class solid-state Stuart Bingham viscoplasticity body polishing tool that magnetic flow liquid is formed is to workpiece following table
Complete gamut polishing, polishing stroke length in face.At the same time, workpiece and electromagnet synchronous hunting, realize the magnetorheological of polishing area
Liquid exchanges renewal.Long stroke polishing process with good homogenizing characteristic surface is completed by the superposition of two movements.At the same time,
As the reciprocally swinging of polishing disk rotation and electromagnet forms constantly changing for magnetic flow liquid class solid-state Stuart Bingham viscoplasticity body position
Become, machining chips then follow the magnetic flow liquid for switching to liquid phase to leave workpiece polishing area.
Claims (2)
1. a kind of long stroke synchronous hunting magnetorheological finishing device, including rubbing head (3), the polishing disk for filling magnetic flow liquid (5)
(6) and positioned at polishing disk lower part, electromagnet corresponding with rubbing head (7)；It is characterized in that：
Upper rocker arm mechanism (2) that the rubbing head and electromagnet are driven by transmission mechanism (10) by shaft (9) respectively and under shake
Arm mechanism (8) drives the reciprocally swinging that can synchronously do less than 180 °；The polishing disk can turn under speed regulating motor driving around axial
It is dynamic.
2. long stroke synchronous hunting magnetorheological finishing device according to claim 1, it is characterised in that：
The transmission mechanism includes the working plate that transmission mechanism motor, embedded eccentric wheel (10-3) and sidepiece carry rack (10-2)
(10-4) and rack meshed gears (10-1) and gear pass through the shaft (9) of key connection and the cunning installed in working plate lower part
Block guide rail (10-5)；Transmission mechanism motor is moved back and forth by eccentric wheel drive working plate on slide block guide rail by certain stroke,
Make to do reciprocating rotation less than 180 ° with the rack meshed gears of working plate sidepiece, gear drives the shaft with its key connection
(9) do the reciprocating rotation less than 180 °, shaft drive the upper rocker arm mechanism that one end is fixedly connected with shaft respectively and under shake
Arm mechanism synchronously does the reciprocally swinging less than 180 °, and upper rocker arm mechanism and lower shake-changing arm mechanism drive rubbing head and electromagnet same respectively
Step does the reciprocally swinging less than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721314001.9U CN207358732U (en) | 2017-10-12 | 2017-10-12 | A kind of long stroke synchronous hunting magnetorheological finishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721314001.9U CN207358732U (en) | 2017-10-12 | 2017-10-12 | A kind of long stroke synchronous hunting magnetorheological finishing device |
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| Publication Number | Publication Date |
|---|---|
| CN207358732U true CN207358732U (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721314001.9U Expired - Fee Related CN207358732U (en) | 2017-10-12 | 2017-10-12 | A kind of long stroke synchronous hunting magnetorheological finishing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714832A (en) * | 2018-06-08 | 2018-10-30 | 苏州珂玛材料科技股份有限公司 | Polishing machine |
| CN110405545A (en) * | 2019-09-03 | 2019-11-05 | 兰州理工大学 | A kind of device based on magnetic mixed fluid aspherical module steel high precision polishing |
| CN110421412A (en) * | 2019-09-05 | 2019-11-08 | 河北工业大学 | A kind of small-sized magnetorheological plane polishing device |
| CN113305650A (en) * | 2021-06-17 | 2021-08-27 | 广东工业大学 | Ultra-smooth planarization polishing method and device |
| CN114571293A (en) * | 2022-05-09 | 2022-06-03 | 江苏克莱德激光技术有限责任公司 | Magnetorheological polishing device for metal surface treatment and application method thereof |
| CN116673861A (en) * | 2023-07-21 | 2023-09-01 | 惠州市精鸿精密科技有限公司 | Polishing grinding device and automatic polishing machine |
-
2017
- 2017-10-12 CN CN201721314001.9U patent/CN207358732U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714832A (en) * | 2018-06-08 | 2018-10-30 | 苏州珂玛材料科技股份有限公司 | Polishing machine |
| CN110405545A (en) * | 2019-09-03 | 2019-11-05 | 兰州理工大学 | A kind of device based on magnetic mixed fluid aspherical module steel high precision polishing |
| CN110421412A (en) * | 2019-09-05 | 2019-11-08 | 河北工业大学 | A kind of small-sized magnetorheological plane polishing device |
| CN113305650A (en) * | 2021-06-17 | 2021-08-27 | 广东工业大学 | Ultra-smooth planarization polishing method and device |
| CN114571293A (en) * | 2022-05-09 | 2022-06-03 | 江苏克莱德激光技术有限责任公司 | Magnetorheological polishing device for metal surface treatment and application method thereof |
| CN114571293B (en) * | 2022-05-09 | 2022-07-29 | 江苏克莱德激光技术有限责任公司 | Magnetorheological polishing device for metal surface treatment and application method thereof |
| CN116673861A (en) * | 2023-07-21 | 2023-09-01 | 惠州市精鸿精密科技有限公司 | Polishing grinding device and automatic polishing machine |
| CN116673861B (en) * | 2023-07-21 | 2024-03-08 | 惠州市精鸿精密科技有限公司 | Polishing grinding device and automatic polishing machine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20191012 |