CN108274306A - A kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls - Google Patents
A kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls Download PDFInfo
- Publication number
- CN108274306A CN108274306A CN201711412761.8A CN201711412761A CN108274306A CN 108274306 A CN108274306 A CN 108274306A CN 201711412761 A CN201711412761 A CN 201711412761A CN 108274306 A CN108274306 A CN 108274306A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- inner ring
- ceramic balls
- retainer
- ring sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 63
- 238000005498 polishing Methods 0.000 claims abstract description 80
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000006061 abrasive grain Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 20
- 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
- 230000013011 mating Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 230000005291 magnetic effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of magnetorheological finishing devices of high-efficiency high-accuracy Ceramic Balls, including outer ring cylinder (1), the outer ring cylinder (1) is internally provided with inner ring sleeve (2), magnet (6) is equipped in the inner ring sleeve (2), the outer diameter of the inner ring sleeve (2) is equipped with several retainers (4), the retainer (4) is equipped with ball contained structure (3), between the outer ring cylinder (1) and the retainer (4), Magnetorheological Polishing liquid space (10) is equipped between the inner ring sleeve (2) and the retainer (4), the ball contained structure (3) is arranged with the Magnetorheological Polishing liquid space (10) perforation.The Magnetorheologicai polishing liquid of apparatus of the present invention filling generates can be from the Magnetorheological Polishing pad (5) of sharp update abrasive grain, with the Ceramic Balls in this sanding and polishing retainer (4).Its is simple and compact for structure, at low cost, high in machining efficiency, can obtain great surface quality and form accuracy and the ultraprecise Ceramic Balls without sub-surface damage.
Description
Technical field
The present invention relates to a kind of Ceramic Balls grinding and polishing device and its polishing method, more particularly to a kind of high speed, high-precision
The processing unit (plant) of the precise finiss polishing of high-precision ceramic balls, belongs to high-precision bulb processing technology in ceramic ball bearing.
Background technology
With the fast development of industrial level, precision and reliability requirement for machine tool and work apparatus are increasingly
It is high.Compared with traditional metal material, high-precision advanced ceramics have that intensity is high, elasticity modulus is big, high temperature resistant, high pressure resistant, resistance to
It abrasion, the features such as coefficient of thermal expansion is low, thermal stability and chemical stability are good, is used in large quantities in ball bearing, is its pass
The part of key.Meanwhile Ceramic Balls have in the precision instrument and equipments such as ball roundness measuring equipment, gyro and fine measuring instrument it is extremely important
Effect, demand is big, has in aerospace, precision machinery, national defense and military, petrochemical industry and automobile manufacturing industries etc.
Highly important status.
But requirement pole of the Ceramic Balls used in precision instrument to spherical abberation, ball diameter variation and surface roughness
Height, these parameters directly affect the technical indicators such as kinematic accuracy, work noise and the service life of sphere, and then influence equipment and instrument
The performance of device.The surface defects such as spherome surface bumps and crackle have a great impact to the kinematic accuracy of bearing and service life.Therefore,
To reach high surface quality requirements, in the finally polishing stage, can eliminate surface damage be crucial.
The grinding and polishing processing method of precise ceramic ball mainly has V-shaped groove attrition process method, circle groove attrition process at present
Method, conical disc attrition process method, angle of rotation active control polishing, magnetic suspension grinding method etc..It is now main and most
V-shaped groove grinding method is generally used, this method single ball load is larger, and processing efficiency is higher.But V-shaped groove grinding adds
Work method also has disadvantages that, in attrition process, Ceramic Balls can only make grinding for " constant relative bearing " in process
Mill movement, in this way can not form the surface of Ceramic Balls the grinding of full envelope, so being difficult to achieve the effect that uniformly to grind.And
In other most grinding method, the power source of many grinding devices is more, and structure and control system are complicated, and to manufacture and
Assembly precision has higher requirement, high processing costs.
Therefore, for the processing of the difficult-to-machine materials high-precise ball such as silicon nitride ceramic ball, be badly in need of it is a kind of existing higher plus
Work precision and processing efficiency, and have apparatus structure simple and the lower Ceramic Balls grinding and polishing processing unit (plant) of manufacturing cost, solution
It is certainly less efficient to Ceramic Balls polishing at present, consistency is poor for processing, the higher present situation of cost, realize the high-precision of Ceramic Balls
Close grinding and polishing processing.
Invention content
It is an object of the invention to the disadvantages for overcoming the processing efficiency of the prior art low and of high cost and deficiency, provide one kind
High precision machining, high in machining efficiency and processing consistency are high, while apparatus structure is simple, of low cost, assembly precision requirement is low
Grinding and polishing sphere equipment.
The technical solution adopted in the present invention：A kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls, including outer ring
Cylinder (1), the outer ring cylinder (1) is internally provided with inner ring sleeve (2), magnet (6) is equipped in the inner ring sleeve (2), described interior
The outer diameter of snare cylinder (2) is equipped with several retainers (4), and the retainer (4) is equipped with ball contained structure (3), the outer ring
Between cylinder (1) and the retainer (4), Magnetorheologicai polishing liquid is equipped between the inner ring sleeve (2) and the retainer (4)
Space (10), the ball contained structure (3) are arranged with the Magnetorheological Polishing liquid space (10) perforation.
Preferably, the pedestal of the outer ring cylinder (1) is ferrimagnet, and inner wall is equipped with circular groove, and the circle is recessed
Slot and the magnet (6) are in mating connection so that the magnet (6) is inhaled on the pedestal of outer ring and rotated together with outer ring.
Preferably, the base inner wall of the outer ring cylinder (1) is additionally provided with annular groove, the annular groove and inner ring sleeve
(2) in mating connection.
Preferably, the bottom end of the outer ring cylinder (1) is equipped with outer ring sealing cover (7).
Preferably, the outer ring cylinder (1) and the bottom end junction of the inner ring sleeve (2) are equipped with sealing felt collar (8).
Preferably, separated by washer (9) between the retainer (4).
Preferably, the outer ring cylinder (1) is placed on the parallel axes on ball mill with ball mill by outer ring sealing cover (7) sealing
Rotation is driven by other driving device.
Preferably, the inner ring sleeve (2) is bolted in ball mill rack.
Preferably, the retainer (4) and the inner ring sleeve (2) concentric setting.
Preferably, between the outer ring cylinder (1) and the retainer (4), the inner ring sleeve (2) and the retainer
(4) the Magnetorheological Polishing liquid space (10) between is filled with Magnetorheologicai polishing liquid, the magnet (6) and the inner ring sleeve (2)
Between have certain interval and concentric setting；When outer ring cylinder (1) drives magnet (6) rotation, inner ring sleeve (2) is fixed on
It is motionless in rack, to formed moving field and the outer ring cylinder (1) and the retainer (4) between, the inner ring sleeve (2)
Magnetorheologicai polishing liquid between the retainer (4) generates can be from the Magnetorheological Polishing pad (5) of sharp update abrasive grain, with this dozen
Ceramic Balls in retainer (4) described in grinding and polishing light.
Compared with prior art, the beneficial effects of the invention are as follows：(1) Magnetorheological Polishing processing unit (plant) of the present invention
It is simple in structure, it is easy for installation, the gap between the rotating speed and Internal and external cycle cylinder of outer ring cylinder is accurately controlled by drive shaft, it can be actively
The angle of rotation θ of motion state of control ball base during grinding and polishing, the base that concedes points constantly changes, and grinding track line is made to be distributed in
Spherical surface can realize the polishing of full envelope, improve the processing consistency and stability of grinding and polishing sphere；(2) retainer of the present invention
Each Ceramic Balls can be accurately fixed, keeps its motion state essentially identical, reduces the interference of other factors, thus into one
Step ensures that the sphericity of Ceramic Balls after processing is consistent with roughness uniform；(3) burnishing device of the invention innovatively realizes
The lower Magnetorheological Polishing of dynamic magnetic field effect, due to cylinder-shaped magnet as outer ring tin gyrates, magnetic field constantly including
Circle drum outer wall changes, and the abrasive grain in Magnetorheological Polishing pad may be implemented from sharp update, realize polishing pad from sharp reparation, carry
High processing efficiency, can be efficiently obtained dimensional accuracy and all good high quality of form accuracy and smooth ceramic ball surface.
Description of the drawings
Fig. 1 is a kind of horizontal cross of the magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls of the present invention；
Fig. 2 is that a kind of right side of the magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls of the present invention regards schematic diagram；
Fig. 3 is a kind of vertical sectional view of the magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls of the present invention.
Specific implementation mode
The technical solution further illustrated the present invention with reference to specific embodiment.
As shown in Figs. 1-3, a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls, including outer ring cylinder (1), it is described outer
Circle cylinder (1) is internally provided with inner ring sleeve (2), is equipped with magnet (6) in the inner ring sleeve (2), the inner ring sleeve (2) it is outer
Diameter is equipped with several retainers (4), and the retainer (4) is equipped with ball contained structure (3), the outer ring cylinder (1) and the guarantor
Between holding frame (4), Magnetorheological Polishing liquid space (10) is equipped between the inner ring sleeve (2) and the retainer (4), it is described
Ball contained structure (3) is arranged with the Magnetorheological Polishing liquid space (10) perforation.
In the specific technical solution of the present invention, the pedestal of the outer ring cylinder (1) is ferrimagnet, and inner wall is equipped with circle
Connected in star, the circular groove and the magnet (6) are in mating connection so that the magnet (6) is inhaled on the pedestal of outer ring simultaneously
It is rotated together with outer ring；The base inner wall of the outer ring cylinder (1) is additionally provided with annular groove, the annular groove and inner ring sleeve
(2) in mating connection.
Further, the bottom end of the outer ring cylinder (1) is equipped with outer ring sealing cover (7), the outer ring cylinder (1) and the inner ring
The bottom end junction of sleeve (2) is equipped with sealing felt collar (8), and it is complete close that such setting so that the outer ring cylinder (1) realizes
Envelope prevents polishing fluid from leaking when specifically used and eliminates extraneous interference；By washer (9) point between the retainer (4)
Every so that retainer (4) is mutual indepedent；The outer ring cylinder (1) is placed on ball mill by outer ring sealing cover (7) sealing with ball milling
The parallel axes of machine is rotated or is driven by other driving device, and the inner ring sleeve (2) is bolted in ball mill rack.
Further, the retainer (4) and the inner ring sleeve (2) concentric setting；Outer ring cylinder (1) with it is described
Between retainer (4), the Magnetorheological Polishing liquid space (10) between the inner ring sleeve (2) and the retainer (4) is filled with
Magnetorheologicai polishing liquid has certain interval and concentric setting between the magnet (6) and the inner ring sleeve (2)；When outer ring cylinder
(1) when driving the magnet (6) rotation, inner ring sleeve (2) be fixed on the rack it is motionless, to form moving field, and described
Between outer ring cylinder (1) and the retainer (4), the Magnetorheologicai polishing liquid between the inner ring sleeve (2) and the retainer (4)
Generating can be from the Magnetorheological Polishing pad (5) of sharp update abrasive grain, with the Ceramic Balls in retainer (4) described in this sanding and polishing.
It needs to illustrate, the pedestal of the outer ring cylinder (1) is made by ferromagnetic material, and base inner wall is provided with round recessed
The open end of slot and each one of annular groove, outer ring cylinder (1) is sealed by outer ring sealing cover (7) and sealing felt collar (8)；The cylinder
In the circular groove of embedded outer ring cylinder (1) pedestal of the magnet (6) of shape, outer ring cylinder (1) base end and cylinder-shaped magnet (6) it is attracting at
It is integrated, i.e. a moving cell；The cylinder-shaped magnet (6) is also placed in inner ring sleeve (2) simultaneously, magnet (6) and inner ring
There is certain interval and concentric between sleeve (2), between the outer ring cylinder (1) and the retainer (4), the inner ring sleeve
(2) Magnetorheological Polishing liquid space (10) is equipped between the retainer (4), for when in use, accommodating Magnetorheological Polishing
Liquid；One end of the inner ring sleeve (2) is bolted across outer ring sealing cover (7) in rack, and the other end is inserted into outer ring
In the annular groove of the base end of cylinder (1), magnet (6) is blocked directly to be contacted with Magnetorheologicai polishing liquid；The Ceramic Balls retainer
(4) Ceramic Balls to be processed are placed in, retainer (4) is separated with washer, inner ring sleeve (2) outer wall is equably placed on, with inner ring
Sleeve (2) concentric placement, the ball contained structure (3) are arranged with Magnetorheologicai polishing liquid contained structure perforation.
The processing method is as follows：Cylinder-shaped magnet (6) is adsorbed in the circular groove of outer ring cylinder (1) base end, it will
Inner ring sleeve (2) stands upside down after passing through outer ring cover (7), and several retainers (4) separate positioning using washer (9), equably
It is positioned on the external cylindrical surface of inner ring sleeve (2), processed Ceramic Balls is placed into the ball contained structure (3) of retainer (4)
In；Outer ring cylinder (1) is vertically sleeved on to the outside of inner ring sleeve (2), outer ring base end is inserted on the top of inner ring sleeve (2) just
In annular groove；Whole device is overturn into 180 degree again, will be packed into Magnetorheological Polishing liquid space (10) in outer ring cylinder (1)
Appropriate Magnetorheologicai polishing liquid, the inner ring sleeve (2) is interior the cylinder-shaped magnet (6) for being adsorbed on outer ring base end, in interior snare
The outer surface of cylinder (2) can form Magnetorheological Polishing pad (5)；When outer ring cylinder (1) rotation, cylinder-shaped magnet (6) is with outer ring cylinder (1)
Rotation, and inner ring sleeve (2) is bolted that be fixed on the rack can be with magnet there are one relative rotation speed, therefore formed and have
From the dynamic magnetic field magnetic rheologic flexible polishing pad (5) of sharp repair ability；In the Magnetorheological Polishing pad (5) and retainer (4)
Ceramic Balls flexible contact；Outer ring cylinder (1) be directly placed on ball mill after being sealed by outer ring cover (7) with parallel axes rotation or
Person is rotated by special driving device driving outer ring cylinder (1), opposite between inner ring sleeve (2) and outer ring cylinder (1) by adjusting
Gap and rotating speed, can be with motion state and angle of rotation of the active control Ceramic Balls base during grinding and polishing.The device can be with
Process multiple Ceramic Balls simultaneously, and each Ceramic Balls are mutually isolated extrudings that will not collide in polishing, avoid fragmentation with
The collsion damage on surface, to which polishing goes out the ultraprecise Ceramic Balls without sub-surface damage of high quality.
The polishing effect of the magnetorheological finishing device of the high-efficiency high-accuracy Ceramic Balls can by adjust drive shaft rotating speed,
That is the rotating speed of outer ring cylinder (1), the gap between outer ring cylinder (1), inner ring sleeve (2) and retainer (4), Magnetorheologicai polishing liquid ingredient
It matches and is controlled with the magnetic field intensity of the cylinder-shaped magnet (6) in inner ring sleeve (2).Further, outer ring cylinder
(1) it rotates to be at the uniform velocity rotation or non-at the uniform velocity rotates；The inner ring sleeve (2), which is bolted, to be fixed in ball mill rack,
It can also be connected with the flexible part of a spring or ball valve etc；The dynamical system is ball mill or other can drive
The device of outer ring cylinder (1) rotation；The surface roughness of Ceramic Balls spherical surface after polishing can well be improved simultaneously
And it not will produce fragmentation and sub-surface damage；Simultaneously because the effect of retainer (4), the form accuracies of Ceramic Balls substantially will not be by
To influence, to reach desired high-accuracy high-efficiency rate polishing effect.
Embodiment：
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls, including outer ring cylinder (1),
Inner ring sleeve (2), ball contained structure (3), retainer (4), Magnetorheological Polishing pad (5), annular magnet (6), outer ring sealing cover
(7), sealing felt collar (8), washer (9) and Magnetorheological Polishing liquid space (10).The outer ring cylinder (1) can be by outer ring sealing cover (7)
Sealing, inner ring sleeve (2) can be bolted in ball mill rack；The cylinder-shaped magnet (6) is positioned over outer ring cylinder (1) bottom
In the cylinder groove at end, and the two is attracting is integrally formed；It stands upside down after inner ring sleeve (2) is passed through outer ring cover (7), number
A retainer (4) separates positioning using washer (9), is equably positioned on the external cylindrical surface of inner ring sleeve (2), by what is be processed
Ceramic Balls are placed into the ball contained structure (3) of retainer (4)；Outer ring cylinder (1) is vertically sleeved on to the outside of inner ring sleeve (2),
The top of inner ring sleeve (2) is inserted into just in the annular groove of outer ring base end；Whole device is overturn into 180 degree again, it will be described
It is packed into appropriate Magnetorheologicai polishing liquid in the Magnetorheological Polishing liquid space (10) of outer ring cylinder (1), has absorption in the inner ring sleeve (2)
The cylinder-shaped magnet (6) of base end in outer ring can form Magnetorheological Polishing pad (5) in the outer surface of inner ring sleeve (2)；Work as outer ring
When cylinder (1) rotation, cylinder-shaped magnet (6) is rotated with outer ring cylinder (1), and inner ring sleeve (2) is bolted and is fixed on rack
On can be with magnet there are one relative rotation speed, therefore form the dynamic magnetic field magnetic rheologic flexible polishing pad having from sharp repair ability
(5)；The Magnetorheological Polishing pad and the Ceramic Balls flexible contact in retainer (4)；The outer ring cylinder (1) is close by outer ring cover (7)
It is honored as a queen to be directly placed on ball mill and is rotated with parallel axes or by special driving device driving outer ring cylinder rotation, pass through adjusting
Relative gap and rotating speed between inner ring sleeve and outer ring cylinder, fortune that can be with active control Ceramic Balls base during grinding and polishing
Dynamic state and angle of rotation.
The course of work of the present embodiment is：When specific processing, first by the bottom end of cylinder-shaped magnet (6) merging outer ring cylinder (1)
In cylinder groove, stand upside down after inner ring sleeve (2) is passed through outer ring cover (7), several retainers (4) are separated using washer (9)
Positioning, is equably positioned on the external cylindrical surface of inner ring sleeve (2), and processed Ceramic Balls are placed into the ball of retainer (4)
In contained structure (3)；Outer ring cylinder (1) is vertically sleeved on to the outside of inner ring sleeve (2), the top of inner ring sleeve (2) is inserted into just
In the annular groove of outer ring base end；Whole device is overturn into 180 degree again, it is appropriate magnetorheological by being packed into outer ring cylinder (1)
Polishing fluid (10) finally uses outer ring sealing cover (7) sealed outer ring cylinder (1).By outer ring cylinder (1) be positioned over ball mill parallel axes or
In special driving device, then inner ring sleeve (2) is connected by bolts and is fixed with rack.It opens ball mill or drive shaft is opened
It closes, outer ring cylinder (1) is with cylinder-shaped magnet (6) with drive shaft turns, and inner ring sleeve (2) is due to being fixed on the rack meeting and magnetic
For iron (6) there are one relative rotation speed, the surface of inner ring sleeve (2) therefore forms the Magnetorheological Polishing pad (5) under moving field effect.It is logical
The relative rotation speed between inner ring sleeve (2) and outer ring cylinder (1) is overregulated, active control Ceramic Balls base may be implemented in grinding and polishing
Motion state in the process, to obtain the polishing of high-efficiency high-precision.The device can process multiple Ceramic Balls simultaneously, and
Each Ceramic Balls are mutually isolated the extruding that will not collide in polishing, the collsion damage on fragmentation and surface are avoided, to polish
Process the ultraprecise Ceramic Balls without sub-surface damage of high quality.
The principle of the processing method is：Between the outer ring cylinder (1) and the retainer (4), the inner ring sleeve (2)
It is equipped with Magnetorheological Polishing liquid space (10) between the retainer (4), is packed into appropriate Magnetorheologicai polishing liquid (10), polishing fluid
Magnetorheological Polishing pad (5) is formed in the outer surface of inner ring sleeve (2), polishing fluid forms magnetorheological in the inner surface of outer ring cylinder (1)
Polishing pad (5)；The Magnetorheological Polishing pad (5) and the Ceramic Balls flexible contact in retainer (4), when whole device is dynamic in rotation
When being rotated on the parallel axes in power source and accurately controlling the relative rotation speed of Internal and external cycle cylinder, Ceramic Balls to be processed can fill in retainer
Divide ground rotation and revolve round the sun, to realize the full envelope uniform polish of ceramic ball surface.The configuration of the present invention is simple is compact, production cost
It is low, it is high in machining efficiency, great surface quality and form accuracy and the ultraprecise Ceramic Balls without sub-surface damage can be obtained.
For those skilled in the art, technical solution that can be as described above and design are made other each
Kind is corresponding to be changed and deforms, and all these change and deform the protection model that should all belong to the claims in the present invention
Within enclosing.
Claims (10)
1. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls, it is characterised in that：Including outer ring cylinder (1), the outer ring
Cylinder (1) is internally provided with inner ring sleeve (2), and magnet (6), the outer diameter of the inner ring sleeve (2) are equipped in the inner ring sleeve (2)
Several retainers (4) are equipped with, the retainer (4) is equipped with ball contained structure (3), the outer ring cylinder (1) and the holding
Between frame (4), Magnetorheological Polishing liquid space (10), the ball are equipped between the inner ring sleeve (2) and the retainer (4)
Contained structure (3) is arranged with the Magnetorheological Polishing liquid space (10) perforation.
2. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
The pedestal of outer ring cylinder (1) is ferrimagnet, and inner wall is equipped with circular groove, and the circular groove and the magnet (6) are attracting
It is connected.
3. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
The base inner wall of outer ring cylinder (1) is additionally provided with annular groove, and the annular groove and inner ring sleeve (2) are in mating connection.
4. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
The bottom end of outer ring cylinder (1) is equipped with outer ring sealing cover (7).
5. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
Outer ring cylinder (1) and the bottom end junction of the inner ring sleeve (2) are equipped with sealing felt collar (8).
6. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
Separated by washer (9) between retainer (4).
7. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
Outer ring cylinder (1) is placed on ball mill the parallel axes with ball mill by outer ring sealing cover (7) sealing and rotates or by other driving
Device drives.
8. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
Inner ring sleeve (2) is bolted in ball mill rack.
9. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：It is described
Retainer (4) and the inner ring sleeve (2) concentric setting.
10. a kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls according to claim 1, it is characterised in that：Institute
It states between outer ring cylinder (1) and the retainer (4), the Magnetorheological Polishing between the inner ring sleeve (2) and the retainer (4)
Liquid space (10) is filled with Magnetorheologicai polishing liquid, there is certain interval and coaxial between the magnet (6) and the inner ring sleeve (2)
The heart is arranged；When outer ring cylinder (1) drives the magnet (6) rotation, inner ring sleeve (2) be fixed on the rack it is motionless, to be formed
Moving field and the outer ring cylinder (1) and the retainer (4) between, between the inner ring sleeve (2) and the retainer (4)
Magnetorheologicai polishing liquid generate can from it is sharp update abrasive grain Magnetorheological Polishing pad (5), with retainer (4) described in this sanding and polishing
In Ceramic Balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711412761.8A CN108274306B (en) | 2017-12-24 | 2017-12-24 | Magnetorheological polishing device for efficient high-precision ceramic balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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