CN109759909A - A kind of mobile magnetic pole magnetorheological finishing device and method - Google Patents
A kind of mobile magnetic pole magnetorheological finishing device and method Download PDFInfo
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- CN109759909A CN109759909A CN201910184244.2A CN201910184244A CN109759909A CN 109759909 A CN109759909 A CN 109759909A CN 201910184244 A CN201910184244 A CN 201910184244A CN 109759909 A CN109759909 A CN 109759909A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 132
- 238000005498 polishing Methods 0.000 claims abstract description 126
- 239000012530 fluid Substances 0.000 claims abstract description 36
- 230000003028 elevating effect Effects 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 210000000078 claw Anatomy 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 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 8
- 238000003754 machining Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 15
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 230000009471 action Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 125000001475 halogen functional group Chemical group 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The present invention relates to Technique of Magnetorheological Finishing field more particularly to a kind of mobile magnetic pole magnetorheological finishing device and method, device includes catch mechanism, mobile work platform, polishing mechanism, elevating mechanism, the first driving mechanism, supporting mechanism and the second driving mechanism.Catch mechanism for the polished workpiece of clamping, workpiece is cylindrical and the inner wall of workpiece on magnetorheological fluid can be housed；Polishing mechanism includes polishing wheel and the permanent magnet that is set in polishing wheel, and polishing wheel can adsorb the magnetorheological fluid on workpiece and polish to workpiece；Elevating mechanism is set in mobile work platform, and polishing wheel is rotationally arranged on elevating mechanism.Mobile work platform driving polishing wheel moves in the horizontal direction and carries out bit shift compensation in the present invention, and elevating mechanism makes polishing wheel mobile in vertical direction, position of the comprehensively control polishing wheel on the inner wall of workpiece, so that the inner wall surface of polishing workpiece is more uniform, and under the premise of guaranteeing machining accuracy, operating process is simplified.
Description
Technical field
The present invention relates to Technique of Magnetorheological Finishing field more particularly to a kind of mobile magnetic pole magnetorheological finishing devices.
Background technique
Magnetorheological fluid is a kind of novel intelligent material, by high permeability, low hysteresis small soft magnetic particles and non-is led
The suspended substance that magnetic liquid mixes shows the Newtonian fluid characteristic of low viscosity, in high-intensity magnetic field under zero magnetic field condition
Under the action of show Ben-Hur (Bingham) bulk properties of high viscosity, low-flow.Magnetorheological fluid shear yielding under high-intensity magnetic field
Height can produce biggish shear yield strength under weaker magnetic field.The scope of application of magnetorheological fluid temperature is wide, can be with
In very big temperature range retention performance, and it can keep not stratified under longer time.Magnetorheological fluid burnishing device is with magnetic
Off field magnetorheological fluid viscous shear polishing, have the characteristics that it is easily controllable, response fastly, polishing effect it is good, increasingly by
The concern and attention of people.
It is found by literature research, a kind of existing magnetorheological fluid revolution inner surface polishing system injects magnetorheological fluid
It polishes in pond, polishing workpiece is fixed in polishing pond, mandrel is placed at polishing workpiece axle center, in polishing pond peripheral disposition magnetic field
Generating device, starting numerical control main axle drive central axis, drive magnetorheological fluid flowing, form the relative motion with workpiece, thus
The surface of revolution is polished until reaching corresponding precision.The advantages of this device, can make each bus each point of inside surface
Stock removal is consistent, and uniformity is good.But burnishing device axial dimension is larger, energy consumption is larger, due to polishing the presence in pond, certain journey
Spindle rotation is limited on degree, and controls inside surface bus each point magnetic field force by adjusting magnetic field, to control stock removal
It is not easy, therefore under the premise of guaranteeing machining accuracy, Ying Jinliang makes compact-sized, easy to operate, reduction energy consumption.
Summary of the invention
(1) technical problems to be solved
The main object of the present invention is to provide a kind of mobile magnetic pole magnetorheological finishing device, it is intended to solve existing magnetorheological throwing
The inconvenient problem of electro-optical device.
(2) technical solution
In order to achieve the above object, mobile magnetic pole magnetorheological finishing device of the invention includes:
Catch mechanism, the catch mechanism is for the polished workpiece of clamping, and the workpiece is cylindrical and the workpiece
Inner wall on magnetorheological fluid can be housed；
Mobile work platform, the mobile work platform can move horizontally；
Polishing mechanism, the polishing mechanism include polishing wheel and the permanent magnet that is set in the polishing wheel, the throwing
Halo can adsorb the magnetorheological fluid on the workpiece and polish to the workpiece；
Elevating mechanism, the elevating mechanism are set in the mobile work platform, and the polishing wheel is rotationally arranged at
On the elevating mechanism, the elevating mechanism can drive the polishing wheel to adjust position along the vertical direction；
First driving mechanism, first driving mechanism are set in the mobile work platform and can drive the polishing
Wheel rotation；
Supporting mechanism, the catch mechanism are rotationally arranged on the supporting mechanism；And
Second driving mechanism, second driving mechanism is for driving the catch mechanism to rotate；
Wherein, the mobile work platform is able to drive the polishing wheel along parallel with the rotation axis of the catch mechanism
Direction moves back and forth, and the elevating mechanism is able to drive the polishing wheel and moves back and forth along the vertical direction.
Preferably, the elevating mechanism includes telescopic rod, hinged seat and moving lever, and the hinged seat is set to the movement
On workbench, the first end of the telescopic rod is articulated in the mobile work platform and the second end of the telescopic rod and the fortune
The first end of lever is hinged, and the middle part of the moving lever is articulated on the hinged seat by shaft, and the polishing wheel passes through peace
Dress axis is rotatably mounted in the second end of the moving lever.
Preferably, first driving mechanism includes first motor and belt wheel group, and the belt wheel group includes being fixed on institute
State the first pulley on the output shaft of first motor, the second belt wheel for being coaxially installed in the shaft and third belt wheel and solid
Due to the 4th belt wheel in the installation axle, the first pulley and second belt wheel are sequentially connected by the first transmission belt,
The third belt wheel and the 4th belt wheel are sequentially connected by the second transmission belt, and the diameter of second belt wheel is greater than first band
The diameter of wheel, the described 4th with the rotation of polishing wheel described in wheel drive.
Preferably, the catch mechanism includes chuck and multiple claws, and the claw is circumferentially spaced to be set to the card
The first end of disk and the claw can moving radially along the chuck, the catch mechanism further include be fixedly installed on it is described
Transmission shaft in the second end of chuck, the transmission shaft are rotationally arranged on the supporting mechanism.
Preferably, second driving mechanism includes the second motor and retarder, second motor and the retarder
It is connected by first shaft coupling, the retarder is connect with the transmission shaft by second shaft coupling.
Preferably, the mobile work platform includes movable plate, third driving mechanism, erecting bed and the 4th driving mechanism,
For the third driving mechanism for driving the movable plate to move back and forth along first direction, the 4th driving mechanism is set to institute
It states on movable plate and for driving the erecting bed to move back and forth in a second direction, the first direction and the catch mechanism
Rotation axis direction is parallel, and the first direction is mutually perpendicular to the second direction.
Preferably, the third driving mechanism includes pedestal, stepper motor, lead screw, sliding block and guide rail, the stepper motor
It is mounted on the pedestal with the lead screw, the output shaft of the stepper motor is docked with the lead screw, the guide rail and institute
It states lead screw to be arranged in parallel, the sliding block can slide on the screw rod along the guide rail, and the movable plate is fixedly installed in institute
It states on sliding block.
Preferably, the workpiece is deep groove ball bearing outer ring.
Preferably, the mobile magnetic pole magnetorheological finishing device further include for by magnetorheological fluid inject the workpiece or from
The suction mechanism being sucked out on the workpiece.
In addition, the present invention also provides a kind of polished using above-mentioned mobile magnetic pole magnetorheological finishing device it is magnetorheological
Polishing method comprising following steps:
Workpiece is fastened in catch mechanism, and magnetorheological fluid is housed on workpiece；
Polishing wheel is moved to close to the polished face of the workpiece；
Start the first driving mechanism and drives the polishing wheel rotation；
Start the second driving mechanism and drives the catch mechanism rotation；
Starting mobile work platform drives the polishing wheel reciprocal along the direction parallel with the rotation axis of the catch mechanism
It is mobile；
Starting elevating mechanism drives the polishing wheel to move back and forth along the vertical direction；
The polishing to the polished face of the workpiece is completed after the predetermined time.
(3) beneficial effect
The beneficial effects of the present invention are:
1, the present invention fills appropriate magnetorheological fluid in the inner wall of cylindrical workpiece, the magnetic field that permanent magnet generates on polishing wheel
Under effect, the magnetorheological fluid after rheology is preferably contacted with the inner wall of workpiece, improves polishing efficiency, and polishing precision is high.
2, mobile work platform driving polishing wheel moves in the horizontal direction and carries out bit shift compensation in the present invention, and elevating mechanism
So that polishing wheel is mobile in vertical direction, position of the comprehensively control polishing wheel on the inner wall of workpiece, so that polishing workpiece is interior
Wall surface is more uniform, and under the premise of guaranteeing machining accuracy, simplifies operating process.
3, structure of the invention is compact, occupies little space, easy to operate, energy saving.
Detailed description of the invention
Fig. 1 is the structure chart of mobile magnetic pole magnetorheological finishing device of the invention；
Fig. 2 be Fig. 1 in catch mechanism, workpiece and supporting mechanism schematic enlarged-scale view；
Fig. 3 be Fig. 1 in mobile work platform, elevating mechanism, the first driving mechanism and polishing mechanism schematic enlarged-scale view；
Fig. 4 is the top view of Fig. 3.
[description of symbols]
1: the second motor；2: first shaft coupling；3: retarder；4: second shaft coupling；5: bearing；6: bearing cap；7: bearing
Seat；8: transmission shaft；9: chuck；10: claw；11: workpiece；12: bevel gear；13: end cap；14: polishing wheel；15: the four belt wheels；
16: the second belt wheels；17: first pulley；18: the first transmission belts；19: shaft；20: first motor；21: telescopic rod；22: installation
Platform；23: movable plate；24: stepper motor；25: lead screw；26: sliding block；27: pedestal；28: permanent magnet；29: moving lever；30: guide rail；
31: hinged seat；32: third belt wheel.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The present invention provides a kind of mobile magnetic pole magnetorheological finishing device, as shown in Figures 1 to 4 comprising catch mechanism, shifting
Dynamic workbench, polishing mechanism, elevating mechanism, the first driving mechanism, supporting mechanism and the second driving mechanism.Wherein, clamping machine
Structure for the polished workpiece 11 of clamping, workpiece 11 is cylindrical and the inner wall of workpiece 11 on magnetorheological fluid can be housed；It is mobile
Workbench can move horizontally；Polishing mechanism includes polishing wheel 14 and the permanent magnet being set in polishing wheel 14 28, polishing wheel
14 can adsorb the magnetorheological fluid on workpiece 11 and polish to workpiece 11；Elevating mechanism is set in mobile work platform, is thrown
Halo 14 is rotationally arranged on elevating mechanism, and elevating mechanism can drive polishing wheel 14 to adjust position along the vertical direction；The
One driving mechanism is set in mobile work platform and polishing wheel 14 can be driven to rotate；Catch mechanism is rotationally arranged at support
In mechanism；Second driving mechanism is for driving catch mechanism to rotate.Wherein, mobile work platform be able to drive polishing wheel 14 along with card
The parallel direction reciprocating movement of the rotation axis of mechanism is held, elevating mechanism is able to drive the shifting reciprocal along the vertical direction of polishing wheel 14
It is dynamic.In addition, permanent magnet 28 to be mounted on to the inside of polishing wheel 14, the material of permanent magnet 28 uses ndfeb magnet, polishing wheel 14
Material selection non-magnet material, the intensity in magnetic field can reach 100mT.
Since the inner wall in cylindric workpiece 11 fills appropriate magnetorheological fluid, the permanent magnet 28 on polishing wheel 14 is generated
Magnetic fields under, the magnetorheological fluid after rheology is preferably contacted with the inner wall of workpiece 11, improve polishing efficiency, polish precision
It is high.Also, mobile work platform driving polishing wheel 14 moves in the horizontal direction and carries out bit shift compensation, and elevating mechanism makes polishing wheel
14 is mobile in vertical direction, position of the comprehensively control polishing wheel 14 on the inner wall of workpiece 11, so that the inner wall of polishing workpiece 11
Surface is more uniform, and under the premise of guaranteeing machining accuracy, simplifies operating process.Above-mentioned technical proposal is compact-sized, accounts for
It is small with space, it is easy to operate, it is energy saving.
In a preferred embodiment, referring again to Fig. 3 and Fig. 4, elevating mechanism includes telescopic rod 21, hinged seat 31 and fortune
Lever 29, hinged seat 31 are set in mobile work platform, and the first end of telescopic rod 21 is articulated in mobile work platform and telescopic rod
21 second end and the first end of moving lever 29 are hinged, and the middle part of moving lever 29 is articulated on hinged seat 31 by shaft 19, throw
Halo 14 is rotatably mounted in the second end of moving lever 29 by installation axle.Pass through the stretching, extension and contraction fortune of telescopic rod 21
It is dynamic, moving lever 29 can be driven to rotate around hinged seat 31, to be adjusted to the upper and lower position of polishing wheel 14.Shown in Fig. 3
Direction for, when telescopic rod 21 stretch when, the first end of moving lever 29 moves up, and polishing wheel 14 decline；When telescopic rod 21 is received
When contracting, the first end of moving lever 29 is moved down, and polishing wheel 14 rises.Wherein, telescopic rod 21 can be cylinder, hydraulic cylinder or electricity
The auto-telescopic mechanisms such as dynamic telescopic rod, to be able to ascend the degree of automation of single unit system.Telescopic rod 21 in mobile work platform
It is bolted, controls expanding-contracting action by the Hydraulic Elements in telescopic rod 21, when carrying out the inner wall polishing of workpiece 11, pass through control
The lengthwise position of the inner wall of polishing wheel 14 and workpiece 11 is realized in the stretching of telescopic rod 21 processed and the rotation for shrinking adjusting moving lever 29
Control.
Further, as shown in figure 4, the first driving mechanism includes first motor 20 and belt wheel group, belt wheel group includes solid
Due to the first pulley 17 on the output shaft of first motor 20, the second belt wheel 16 and third belt wheel that are coaxially installed in shaft 19
32 and the 4th belt wheel 15 that is fixed in installation axle, first pulley 17 and the second belt wheel 16 connected by the transmission of the first transmission belt 18
It connects, by the transmission connection (not shown) of the second transmission belt, the diameter of the second belt wheel 16 is greater than for third belt wheel 32 and the 4th belt wheel 15
The diameter of first pulley 17, the 4th belt wheel 15 drive polishing wheel 14 to rotate.Specifically, first motor 20 is fixed by bolted on connection
In erecting bed 22, first motor 20 drives first pulley 17 by flat key, and first pulley 17 passes through the first transmission belt 18 driving the
Two belt wheels 16, the second belt wheel 16 and third belt wheel 32 are fixed together, and the second belt wheel 16 and third belt wheel 32 utilize small bearing holder (housing, cover)
The 4th belt wheel 15 is driven to rotate in shaft 19, and using the second transmission belt, so that polishing wheel 14 be driven to rotate.Pass through belt wheel group
Can the output speed to first motor centainly slowed down, to adjust the revolving speed for being transferred to polishing wheel 14.Moreover, using belt wheel
Torque is transmitted, can reduce the limitation to mounting position of motor.In other embodiments, can also with other transmission components come
Substitute belt wheel group.
In addition, in a preferred embodiment, as shown in Fig. 2, catch mechanism includes chuck 9 and multiple claws 10, card
The circumferentially spaced first end for being set to chuck 9 of pawl 10 and claw 10 can moving radially along chuck 9, catch mechanism further includes
The transmission shaft 8 being fixedly installed in the second end of chuck 9, transmission shaft 8 are rotationally arranged on supporting mechanism, chuck 9 and biography
Moving axis 8 transmits torque by spiral marking connection.Specifically, by the bevel gear 12 on spanner rotary chuck 9, keep claw 10 mobile,
Workpiece 11 is fixed on chuck 9.To guarantee machining accuracy, workpiece 11 must be by stabilizing grip, therefore application scroll chuck presss from both sides
Workpiece 11 is held, this is a kind of self-centering clamping device, and three claws 10 on chuck 9 are connect by flat thread with chuck 9, is used
Spanner rotates bevel gear 12, and bevel gear 12 drives flat thread and then three-jaw is driven to move synchronously, and realizes the clamping of workpiece 11.
Wherein, stablize support to provide to catch mechanism, supporting mechanism includes bearing block 7, bearing cap 6 and bearing 5, axis
It holds seat 7 and installation through-hole is docked and be formed between bearing block 7 and bearing cap 6 with bearing cap 6, transmission shaft 8 is installed on by bearing 5
In installation through-hole.Preferably, bearing 5 can be angular contact ball bearing, and the axis of transmission shaft 8 can be compensated using angular contact ball bearing
To with angle direction error.
Further, referring again to Fig. 1, the second driving mechanism includes the second motor 1 and retarder 3, the second motor 1 with subtract
Fast device 3 is connected by first shaft coupling 2, and retarder 3 is connect with transmission shaft 8 by second shaft coupling 4.Wherein, the second motor 1 can
To be preferably YD-B3 motor, in other embodiments, the model of the second motor 1 can be selected according to the actual situation.The
One shaft coupling 2 and second shaft coupling 4 all can be Quincunx elastic coupler, to realize efficient and stable torque transmitting.YD-
B3 motor is coupled with retarder 3 by first shaft coupling 2, and is coaxially disposed with transmission shaft 8, and transmission shaft 8 passes through first shaft coupling
2, second shaft coupling 4 and bearing block 7 support, and drive the relative motion of chuck 9 realization workpiece 11 and polishing wheel 14.
As shown in Figure 1, in a preferred embodiment, mobile work platform includes movable plate 23, third driving mechanism, installation
Platform 22 and the 4th driving mechanism, third driving mechanism is for driving movable plate 23 to move back and forth along first direction, the 4th driving
Mechanism is set on movable plate 23 and for driving erecting bed 22 to move back and forth in a second direction, first direction and catch mechanism
Rotation axis direction is parallel, so that rotation axis of the polishing wheel 14 when polishing to workpiece 11 always with catch mechanism exists
In same perpendicular, and first direction is mutually perpendicular to second direction, can be according to demand in a second direction to polishing wheel
14 position is adjusted.
Referring again to Fig. 1, in order to provide stable reciprocating movement power to mobile work platform, third driving mechanism includes base
Seat 27, stepper motor 24, lead screw 25, sliding block 26 and guide rail 30, stepper motor 24 and lead screw 25 are mounted on pedestal 27, stepping
The output shaft of motor 24 is docked with lead screw 25, and guide rail 30 is arranged in parallel with lead screw 25, and sliding block 26 can be along guide rail 30 on screw rod
Sliding, movable plate 23 are fixedly installed on sliding block 26.Wherein, lead screw 25 is ball-screw.Stepper motor 24 can be according to control
The turning moment of instruction output forward and reverse, drives lead screw 25 forward or reverse, so that sliding block 26 is along the extension side of guide rail 30
To reciprocating movement, moved back and forth so as to drive movable plate 23 to realize.
In addition, the 4th driving mechanism may include the sliding rail and telescoping cylinder being all set on movable plate 23,22 energy of erecting bed
It is enough to be slided along sliding rail, and telescoping cylinder connection movable plate 23 and erecting bed 22.Telescoping cylinder can be cylinder or hydraulic cylinder, pass through control
The expanding-contracting action of telescoping cylinder processed, can control erecting bed 22 can reciprocatingly slide along sliding rail.
Wherein, in a preferred embodiment, workpiece 11 is deep groove ball bearing outer ring, and the groove on inner wall can be used in
Accommodate magnetorheological fluid.And in other implementations, workpiece 11 can also be the outer ring of other bearings or other cylindrical shape knots
Structure, such as sleeve etc..Since appropriate magnetorheological fluid to be placed in the inner wall bottom of workpiece 11 (being specifically as follows deep groove ball bearing outer ring)
Portion both needs to guarantee that magnetorheological fluid is not revealed, and to meet the movement of the polishing wheel 14 on not disturbed motion bar 29, therefore is arranged
One end cap 13, and according to the comprehensive displacement of polishing wheel 14, a hole is opened on end cap 13, so that end cap 13 is formed as cyclic annular, is protected
Card polishing wheel 14 can work normally.
In addition, mobile magnetic pole magnetorheological finishing device further includes for magnetorheological fluid to be injected workpiece 11 or from workpiece 11
The suction mechanism of suction helps self-service addition or removal magnetorheological fluid, with the degree of automation of further lifting device entirety.
Have below to move the course of work that magnetic pole magnetorheological finishing device polishes deep groove ball bearing outer ring
Body description, technical solution of the present invention to be further described.
By bevel gear on spanner rotary chuck 9, keeps claw 10 mobile, deep groove ball bearing outer ring is fixed on chuck 9,
It is driven by the second motor 1 (YD-B3 motor), after the speed regulation of retarder 3, then through 4 driving card of first shaft coupling 2 and second shaft coupling
Disk 9 rotates, and permanent magnet 28 is fixed on the inside of polishing wheel 14, and mobile work platform is fixed on the left side of chuck 9, movable plate 23 and cunning
Block 26 and lead screw 25 link together, and lead screw 25 is fixed on pedestal 27 and is connected with stepper motor 24.In stepper motor 24
Driving under, lead screw 25 drive mobile work platform do reciprocating linear motion, to control the horizontal displacement of polishing wheel 14.By stretching
The stretching and contraction of contracting bar 21 adjust the rotation that moving lever 29 surrounds shaft 19, realize the length travel of polishing wheel 14.Polishing wheel
14 horizontal displacement is compensated by the reciprocating movement working table movement controlled, and the length travel of polishing wheel 14 is flexible by what is controlled
The flexible of bar 21 compensates, and appropriate magnetorheological fluid is housed on the inner wall of deep groove ball bearing outer ring.
Wherein, appropriate magnetorheological fluid is stored in deep groove ball bearing outer ring inner wall bottom, and magnetorheological fluid generates under magnetic fields
Rheological effect, and be adsorbed on polishing wheel 14.When transmission shaft 8 does not rotate, it is fixed on deep groove ball bearing outer ring on chuck 9 not
The polishing of the fixed area of deep groove ball bearing inner surface is only realized in rotation, the only rotation of polishing wheel 14 itself.Work as YD-
When B3 motor driven transmission shaft 8 rotates, there is compound motion between workpiece 11 and polishing wheel 14, may be implemented outside to deep groove ball bearing
Entire inner surface is enclosed to be polished.
Specifically, before control polishing wheel 14 is displaced, make polishing wheel 14 and deep-groove ball axis by adjusting mobile work platform
The position of bearing outer-ring inner surface reaches the initial position of requirement, and the interior table of polishing wheel 14 and workpiece 11 is adjusted by movable plate 23
Fore-and-aft distance between face, and by the lateral distance of the adjustment polishing wheel 14 of erecting bed 22 and the inner surface of workpiece 11, thus solid
The position of initial burnishing is determined, has guaranteed that the initial position polished every time is fixed, so as to realize each polishing process of control
It can be normally carried out.When carrying out the polishing of deep groove ball bearing outer ring inner wall, by controlling the stretching and contraction of telescopic rod 21, moving lever
29 also rotate with it, so that the polishing wheel 14 on moving lever 29 moves along longitudinal direction；Erecting bed 22 is equipped with sliding block 26 below, with sliding block
26 lead screws 25 matched are fixed on pedestal 27 and are connected with stepper motor 24, are driven by stepper motor 24, can make to install
Platform 22 drives 14 horizontal reciprocating movement of polishing wheel, therefore controls the comprehensive displacement of polishing wheel 14, can achieve higher polishing
Precision.It should be noted that polishing wheel 14 and the axis of deep groove ball bearing outer ring should ensure that in same vertical plane, to guarantee
Enough uniform polish inner walls.
In addition, the present invention also provides a kind of magnetorheological throwings polished using above-mentioned mobile magnetic pole magnetorheological finishing device
Light method, wherein magnetic rheological polishing method the following steps are included:
Workpiece 11 is fastened in catch mechanism, and magnetorheological fluid is housed on workpiece 11；
Polishing wheel 14 is moved to close to the polished face of workpiece 11；
Start the first driving mechanism driving polishing wheel 14 to rotate；
Start the driving catch mechanism rotation of the second driving mechanism；
Starting mobile work platform drives polishing wheel 14 to move back and forth along the direction parallel with the rotation axis of catch mechanism；
Starting elevating mechanism drives polishing wheel 14 to move back and forth along the vertical direction；
The polishing to the polished face of workpiece 11 is completed after the predetermined time.
When being polished using mobile magnetic pole magnetorheological fluid burnishing device of the invention, after device installation is fixed, benefit
It adjusts with 10 fixed clamp workpiece 11 of chuck 9 and claw, and by polishing wheel 14 to after initial burnishing position, the second electricity of starting control
Machine 1, first motor 20 and stepper motor 24 drive, and drive workpiece 11 to rotate after the speed regulation of retarder 3, make workpiece 11 and polishing wheel
14 generate compound relative motion, since the magnetorheological fluid of 11 inner wall of workpiece produces under the magnetic fields of permanent magnet 28 in polishing wheel 14
Raw rheological effect, increases rapidly its apparent viscosity and yield stress.By controlling the relative position of polishing wheel 14 and workpiece 11,
The polishing precision and polishing uniformity that workpiece 11 not only can be improved, can also make device compact, improve space utilization rate.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above
Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but
The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired
Decorations, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of mobile magnetic pole magnetorheological finishing device, which is characterized in that the mobile magnetic pole magnetorheological finishing device includes:
Catch mechanism, the catch mechanism for the polished workpiece of clamping, the workpiece is cylindrical and the workpiece it is interior
Magnetorheological fluid can be housed on wall；
Mobile work platform, the mobile work platform can move horizontally；
Polishing mechanism, the polishing mechanism include polishing wheel and the permanent magnet that is set in the polishing wheel, the polishing wheel
The magnetorheological fluid on the workpiece can be adsorbed and the workpiece is polished；
Elevating mechanism, the elevating mechanism are set in the mobile work platform, and the polishing wheel is rotationally arranged at described
On elevating mechanism, the elevating mechanism can drive the polishing wheel to adjust position along the vertical direction；
First driving mechanism, first driving mechanism are set in the mobile work platform and the polishing wheel can be driven to revolve
Turn；
Supporting mechanism, the catch mechanism are rotationally arranged on the supporting mechanism；And second driving mechanism, it is described
Second driving mechanism is for driving the catch mechanism to rotate；
Wherein, the mobile work platform is able to drive the polishing wheel along the direction parallel with the rotation axis of the catch mechanism
It moves back and forth, the elevating mechanism is able to drive the polishing wheel and moves back and forth along the vertical direction.
2. mobile magnetic pole magnetorheological finishing device as described in claim 1, it is characterised in that: the elevating mechanism includes flexible
Bar, hinged seat and moving lever, the hinged seat are set in the mobile work platform, and the first end of the telescopic rod is articulated with institute
It states in mobile work platform and the second end of the telescopic rod and the first end of the moving lever is hinged, the middle part of the moving lever is logical
It crosses shaft to be articulated on the hinged seat, the polishing wheel is rotatably mounted in the second end of the moving lever by installation axle
On.
3. mobile magnetic pole magnetorheological finishing device as claimed in claim 2, it is characterised in that: first driving mechanism includes
First motor and belt wheel group, the belt wheel group includes the first pulley being fixed on the output shaft of the first motor, coaxial
The second belt wheel and third belt wheel that are installed in the shaft and the 4th belt wheel being fixed in the installation axle, described first
Belt wheel and second belt wheel are sequentially connected by the first transmission belt, and the third belt wheel and the 4th belt wheel are passed by second
Dynamic V belt translation connection, the diameter of second belt wheel are greater than the diameter of first pulley, polishing wheel described in the 4th band wheel drive
Rotation.
4. mobile magnetic pole magnetorheological finishing device as claimed in any one of claims 1-3, it is characterised in that: the clamping machine
Structure includes chuck and multiple claws, the circumferentially spaced first end for being set to the chuck of the claw and claw being capable of edge
The chuck moves radially, and the catch mechanism further includes the transmission shaft being fixedly installed in the second end of the chuck, institute
Transmission shaft is stated to be rotationally arranged on the supporting mechanism.
5. mobile magnetic pole magnetorheological finishing device as claimed in claim 4, it is characterised in that: second driving mechanism includes
Second motor and retarder, second motor are connect with the retarder by first shaft coupling, the retarder with it is described
Transmission shaft is connected by second shaft coupling.
6. mobile magnetic pole magnetorheological finishing device as claimed in any one of claims 1-3, it is characterised in that: the mobile work
It include movable plate, third driving mechanism, erecting bed and the 4th driving mechanism as platform, the third driving mechanism is for driving institute
It states movable plate to move back and forth along first direction, the 4th driving mechanism is set on the movable plate and for driving the peace
Dress platform moves back and forth in a second direction, and the first direction is parallel with the rotation axis direction of the catch mechanism, and described first
Direction is mutually perpendicular to the second direction.
7. mobile magnetic pole magnetorheological finishing device as claimed in claim 6, it is characterised in that: the third driving mechanism includes
Pedestal, stepper motor, lead screw, sliding block and guide rail, the stepper motor and the lead screw are mounted on the pedestal, the step
Output shaft into motor is docked with the lead screw, and the guide rail is arranged in parallel with the lead screw, and the sliding block can be led along described
Rail slides on the screw rod, and the movable plate is fixedly installed on the sliding block.
8. mobile magnetic pole magnetorheological finishing device as claimed in any one of claims 1-3, it is characterised in that: the workpiece is
Deep groove ball bearing outer ring.
9. mobile magnetic pole magnetorheological finishing device as claimed in any one of claims 1-3, it is characterised in that: the mobile magnetic
Pole magnetorheological finishing device further includes the suction mechanism for injecting the workpiece or being sucked out from the workpiece magnetorheological fluid.
10. a kind of magnetic current polished using mobile magnetic pole magnetorheological finishing device of any of claims 1-9
Become polishing method, which is characterized in that the magnetic rheological polishing method the following steps are included:
Workpiece is fastened in catch mechanism, and magnetorheological fluid is housed on workpiece；
Polishing wheel is moved to close to the polished face of the workpiece；
Start the first driving mechanism and drives the polishing wheel rotation；
Start the second driving mechanism and drives the catch mechanism rotation；
Starting mobile work platform drives the polishing wheel to move back and forth along the direction parallel with the rotation axis of the catch mechanism；
Starting elevating mechanism drives the polishing wheel to move back and forth along the vertical direction；
The polishing to the polished face of the workpiece is completed after the predetermined time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184244.2A CN109759909B (en) | 2019-03-12 | 2019-03-12 | Moving magnetic pole magnetorheological polishing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184244.2A CN109759909B (en) | 2019-03-12 | 2019-03-12 | Moving magnetic pole magnetorheological polishing device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN109759909A true CN109759909A (en) | 2019-05-17 |
| CN109759909B CN109759909B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281083A (en) * | 2019-06-14 | 2019-09-27 | 上海理工大学 | A kind of small thin tube inner wall magnetic coupling fluid polishing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110244759A1 (en) * | 2005-10-31 | 2011-10-06 | Depuy Products, Inc. | Orthopaedic Component Manufacturing Method and Equipment |
| CN203680014U (en) * | 2014-01-27 | 2014-07-02 | 浙江师范大学 | Round tube flexible magnetic flux brush-polished shaping machine |
| CN107186551A (en) * | 2017-06-30 | 2017-09-22 | 辽宁科技大学 | A kind of ceramic pipe internal surface burnishing device and polishing method |
| CN107791107A (en) * | 2017-11-16 | 2018-03-13 | 东北大学 | A kind of titanium alloy tube inwall magnetic rheological polishing method and device |
-
2019
- 2019-03-12 CN CN201910184244.2A patent/CN109759909B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110244759A1 (en) * | 2005-10-31 | 2011-10-06 | Depuy Products, Inc. | Orthopaedic Component Manufacturing Method and Equipment |
| CN203680014U (en) * | 2014-01-27 | 2014-07-02 | 浙江师范大学 | Round tube flexible magnetic flux brush-polished shaping machine |
| CN107186551A (en) * | 2017-06-30 | 2017-09-22 | 辽宁科技大学 | A kind of ceramic pipe internal surface burnishing device and polishing method |
| CN107791107A (en) * | 2017-11-16 | 2018-03-13 | 东北大学 | A kind of titanium alloy tube inwall magnetic rheological polishing method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281083A (en) * | 2019-06-14 | 2019-09-27 | 上海理工大学 | A kind of small thin tube inner wall magnetic coupling fluid polishing device |
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| Publication number | Publication date |
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| CN109759909B (en) | 2020-09-29 |
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