CN108000342A - A kind of sphere burnishing device - Google Patents
A kind of sphere burnishing device Download PDFInfo
- Publication number
- CN108000342A CN108000342A CN201810082841.XA CN201810082841A CN108000342A CN 108000342 A CN108000342 A CN 108000342A CN 201810082841 A CN201810082841 A CN 201810082841A CN 108000342 A CN108000342 A CN 108000342A
- Authority
- CN
- China
- Prior art keywords
- sphere
- rubbing head
- polishing
- burnishing device
- polishing assembly
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of sphere burnishing device, including the polishing assembly for suspension support sphere, polishing assembly to include：Fluid circulation is polished, polishing fluid circulation includes being used for the compression pump for providing pressure for polishing fluid；Rubbing head, the inner surface of rubbing head are provided with multiple tracks groove；For driving the rotating driving mechanism of rubbing head；Conveyance conduit for the inner surface that polishing fluid is delivered to rubbing head.The device is it is possible to prevente effectively from the defects of spherome surface leaves affected layer and micro-crack in polishing process, so as to further improve the processing quality and machining accuracy of sphere.
Description
Technical field
The present invention relates to grinding technique field, more particularly to a kind of sphere burnishing device.
Background technology
In precision instrument and high-acruracy survey, high-precision sphere is often used, some application requirements sphericitys exist
Less than 0.025 μm, and the precision of some application requirements can be some higher, therefore, the microstoning grinding technique research to sphere
Tool is of great significance.
At present, ball lapping generally uses plane lapping or the grinding technique using V-groove as representative, but above two
Lapping mode can only be adapted to the sphere for processing minor diameter, and machining accuracy does not reach ultrahigh precision magnitude yet, and for major diameter
The processing of sphere, in numerous ball lapping technologies, effect more protrudes and lower-cost milling apparatus generally uses four
Axis sphere grinder, although the optical glass ball of a diameter of 38mm can be ground in the grinder, and its circularity precision is better than
0.025 μm, but the equipment using mechanical lapping by the way of, inevitably leave affected layer and micro- in ball surface
The defects of crackle, thus greatly reduce the processing quality and machining accuracy of complete ball.
Therefore, how a kind of sphere burnishing device is provided, can effectively avoid leaving in spherome surface in process of lapping
The defects of affected layer and micro-crack, thus lift the processing quality of sphere and machining accuracy be those skilled in the art there is an urgent need for
The technical problem of solution.
The content of the invention
In view of this, it is an object of the invention to provide a kind of sphere burnishing device, can effectively be kept away in process of lapping
Exempt from spherome surface leaves affected layer and micro-crack the defects of, so as to lift the processing quality and machining accuracy of sphere.
To achieve the above object, the present invention provides following technical solution：
A kind of sphere burnishing device, including the polishing assembly for suspension support sphere, the polishing assembly include:
Fluid circulation is polished, the polishing fluid circulation includes being used for the compression pump for providing pressure for polishing fluid；
Rubbing head, the inner surface of the rubbing head are provided with multiple tracks groove；
For driving the rotating driving mechanism of the rubbing head；
Conveyance conduit for the inner surface that the polishing fluid is delivered to the rubbing head.
Preferably, the radius of curvature of the inner surface of the rubbing head is equal to the radius of curvature of the sphere and the rubbing head
The sum of radius of curvature in circular arc gap formed between the sphere.
Preferably, the rubbing head is connected by shaft coupling with the output terminal of the driving mechanism.
Preferably, connecting rod is further included, one end of the connecting rod is fixedly linked with the rubbing head, the connecting rod
The other end can be additionally provided with pretension dress in the shaft coupling along the axial direction play of the connecting rod in the connecting rod
Put.
Preferably, the conveyance conduit is the throttle orifice for being opened in the centre inside the rubbing head.
Preferably, the polishing assembly is symmetrically arranged 4, is respectively the first polishing assembly, the second polishing assembly, the
Three polishing assemblies and the 4th polishing assembly, and the extended line of the axis of first polishing assembly and second polishing assembly with
The extended line of the axis of 3rd polishing assembly and the 4th polishing assembly is crossed to form positive tetrahedron shape.
Preferably, the driving mechanism is motor.
Preferably, the pre-tightening apparatus is spring, or is counterweight.
Preferably, the groove is spiral groove, or is concentric ring type groove.
Preferably, the coil for strengthening magnetic field is additionally provided with the rubbing head.
As can be seen from the above technical solutions, sphere burnishing device disclosed in this invention, including for suspension support ball
The polishing assembly of body, the polishing assembly include：Fluid circulation is polished, polishing fluid circulation includes being used to carry for polishing fluid
For the compression pump of pressure；Rubbing head, the inner surface of rubbing head are provided with multiple tracks groove；For driving the rotating driving machine of rubbing head
Structure；Conveyance conduit for the inner surface that polishing fluid is delivered to rubbing head.
When being polished to sphere, the compression pump of ON cycle liquid polishing system, polishing fluid under the effect of the pressure into
Enter to inside polishing assembly, formed by conveyance conduit after certain decompression and flowed out from the inner surface of rubbing head, rubbing head with
One layer of oil film is formed between sphere；Start driving mechanism, driving mechanism drives rubbing head to rotate, and is driven in the rotation of rubbing head
Under, sphere is rotated accordingly, is realized under the impetus of the groove of rubbing head and the high accuracy of polished ball is polished, due to
Sphere is not contacted directly with polishing assembly, and is suspended in the surface of oil film, therefore, it is possible to prevente effectively from polishing process
Middle spherome surface leaves the defects of affected layer and micro-crack, so as to further improve the processing quality and processing essence of sphere
Degree.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below to embodiment or existing
Attached drawing is briefly described needed in technology description, it is clear that, drawings in the following description are only this hair
Bright embodiment, for those of ordinary skill in the art, without creative efforts, can also be according to carrying
The attached drawing of confession obtains other attached drawings.
Fig. 1 is the overall structure diagram figure of the sphere burnishing device disclosed in the embodiment of the present invention；
Fig. 2 is the structure diagram of the polishing assembly disclosed in the embodiment of the present invention；
Fig. 3 is the enlarged structure schematic diagram of partial structurtes A in Fig. 2；
Fig. 4 is the structure diagram of the rubbing head disclosed in the embodiment of the present invention.
Wherein, the title of each component is as follows：
1- polishing assemblies, 11- driving mechanisms, 12- rubbing heads, 121- coils, 13- conveyance conduits, 14- shaft couplings, 15- connect
Extension bar, 16- pre-tightening apparatus, 2- spheres, 3- polishing fluid circulations.
Embodiment
In view of this, core of the invention is to provide a kind of sphere burnishing device, can effectively be kept away in process of lapping
Exempt from spherome surface leaves affected layer and micro-crack the defects of, so as to lift the processing quality and machining accuracy of sphere.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Sphere burnishing device disclosed in the embodiment of the present invention, including the polishing assembly 1 for suspension support sphere 2, throw
Optical assembly 1 includes：Fluid circulation 3 is polished, polishing fluid circulation 3 includes being used for the compression pump for providing pressure for polishing fluid；
Rubbing head 12, the inner surface of rubbing head 12 are provided with multiple tracks groove；For driving the rotating driving mechanism 11 of rubbing head 12；For
Polishing fluid is delivered to the conveyance conduit 13 of the inner surface of rubbing head 11.
When being polished to sphere 2, the compression pump of ON cycle liquid polishing system 3, polishing fluid is under the effect of the pressure
Enter inside polishing assembly 1, flow out, throwing from the inner surface of rubbing head 12 after certain decompression is formed by conveyance conduit 13
One layer of oil film is formed between shaven head 12 and sphere 2；Start driving mechanism 11, driving mechanism 11 drives rubbing head 12 to rotate, throwing
Under the rotation of shaven head 12 drives, sphere 2 is rotated accordingly, is realized under the impetus of the groove of rubbing head 12 to polishing
The high accuracy polishing of ball, since sphere 2 is not contacted directly with polishing assembly 1, and is suspended in the surface of oil film, therefore,
It is possible to prevente effectively from the defects of spherome surface leaves affected layer and micro-crack in polishing process, so as to further improve
The processing quality and machining accuracy of sphere.
Above-mentioned is mainly to be realized by fluid pressure support concept and floating polishing technology to sphere polishing.
Further, the radius of curvature of the inner surface of rubbing head 11 is equal to the radius of curvature and rubbing head 12 and ball of sphere 2
The sum of radius of curvature of arc-shaped gaps formed between body 2.So set, rubbing head 12 can be to each angle on 2 surface of sphere
Degree is polished, so as to further ensure the precision of polishing.
In order to further reduce the vibration produced in power transmission process, impact S.acus Linnaeus exact, the embodiment of the present invention are reduced
Disclosed sphere burnishing device, further includes shaft coupling 14, wherein, rubbing head 12 is defeated by shaft coupling 14 and driving mechanism 11
Outlet is connected, and when opening driving mechanism 11, driving mechanism 11 transfers power on shaft coupling 14 first, then is passed from shaft coupling 14
It is delivered on rubbing head 12.
In order to further optimize above-described embodiment, the sphere burnishing device disclosed in the embodiment of the present invention, further includes connection
Bar 15, one end and the rubbing head 12 of connecting rod 15 are fixedly linked, and the other end of connecting rod 15 can be in shaft coupling 14 along connection
The axial direction play of bar 15, is additionally provided with pre-tightening apparatus 16 in connecting rod 15, when rubbing head 12 works, except along connecting rod
Outside 15 circumferential direction is rotated, it be able to can also be realized along the axial direction of connecting rod 15 into play, the setting of pre-tightening apparatus 16
The polish pressure of each polishing assembly 1 is adjusted, ensures that the pressure of each polishing assembly 1 is equal.
It should be noted that conveyance conduit 13 is the throttle orifice for being opened in the centre inside rubbing head 12.
Certainly, throttle orifice can be arranged on any position of rubbing head 12, as long as ensureing that polishing fluid can flow to rubbing head
12 inner surface, in embodiments of the present invention, the centre being preferably arranged on throttle orifice inside rubbing head 12.
Certainly, polishing fluid can be flowed into throttle orifice from driving mechanism 11, can be flowed into throttle orifice from shaft coupling 14
It is interior, it can also be flowed into from connecting rod 15 in throttle orifice.
It should be noted that polishing assembly 1 can set 2-6, it is preferred that polishing assembly sets 4, works as polishing assembly
During 1 setting 4, polishing assembly 1 is symmetrically arranged four, is respectively the first polishing assembly, the second polishing assembly, the 3rd polishing
Component and the 4th polishing assembly, and the extended line of the axis of the first polishing assembly and the second polishing assembly and the 3rd polishing assembly and
The extended line of the axis of 4th polishing assembly is crossed to form positive tetrahedron shape.
When being polished using 4 polishing assemblies to sphere 2, the axis of 4 polishing assemblies 1 is spatially symmetrically divided
Cloth, the angle of the axis of two polishing assemblies 1 of arbitrary neighborhood are equal, and the extended line phase of the axis of four polishing assemblies 1
The centre of sphere of sphere 2 is met at, so set, polishing precision and the quality of finish to sphere can be lifted.
It should be further noted that driving mechanism 11 can be motor, or hydraulic motor, due to motor volume
Small, simple in structure, easy to operate, therefore, preferred drive mechanism 11 uses motor in the embodiment of the present invention.
Certainly, pre-tightening apparatus 16 can be spring, or counterweight.
It should be noted that groove can be spiral groove, can also concentric ring type groove, groove can uniformly divide
Cloth, can not also be uniformly distributed, and preferred groove is to be uniformly distributed in the embodiment of the present invention.
Please refer to Fig.4, the coil 121 for providing magnetic field is additionally provided with rubbing head 12, when setting line on rubbing head 12
When enclosing 121, corresponding polishing fluid will be configured to magnetic flow liquid, and the setting of coil 121 can provide certain magnetic field, further carry
The suspending power of sphere 2 is risen, certainly, the preferably magnetorheological magnet exciting coil of coil 121, further improves polishing precision and polishing matter
Amount.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (10)
1. a kind of sphere burnishing device, it is characterised in that including the polishing assembly (1) for suspension support sphere (2), the throwing
Optical assembly (1) includes：
Fluid circulation (3) is polished, the polishing fluid circulation (3) includes being used for the compression pump for providing pressure for polishing fluid；
Rubbing head (12), the inner surface of the rubbing head (12) are provided with multiple tracks groove；
For driving the rubbing head (12) rotating driving mechanism (11)；
Conveyance conduit (13) for the inner surface that the polishing fluid is delivered to the rubbing head (11).
2. sphere burnishing device according to claim 1, it is characterised in that the curvature of the inner surface of the rubbing head (11)
Radius is equal to the circular arc gap formed between the radius of curvature of the sphere (2) and the rubbing head (12) and the sphere (2)
The sum of radius of curvature.
3. sphere burnishing device according to claim 1, it is characterised in that the rubbing head (12) passes through shaft coupling (14)
It is connected with the output terminal of the driving mechanism (11).
4. sphere burnishing device according to claim 3, it is characterised in that further include connecting rod (15), the connecting rod
(15) one end is fixedly linked with the rubbing head (12), and the other end of the connecting rod (15) can be in the shaft coupling (14)
The interior axial direction play along the connecting rod (15), is additionally provided with pre-tightening apparatus (16) on the connecting rod (15).
5. sphere burnishing device according to claim 1, it is characterised in that the conveyance conduit (13) is described to be opened in
The throttle orifice in the internal centre of rubbing head (12).
6. sphere burnishing device according to claim 1, it is characterised in that the polishing assembly (1) is symmetrically arranged 4
It is a, it is respectively the first polishing assembly, the second polishing assembly, the 3rd polishing assembly and the 4th polishing assembly, and described first polishes
The extended line of the axis of component and second polishing assembly and the 3rd polishing assembly and the axis of the 4th polishing assembly
The extended line of line is crossed to form positive tetrahedron shape.
7. sphere burnishing device according to claim 1, it is characterised in that the driving mechanism (11) is motor.
8. sphere burnishing device according to claim 4, it is characterised in that the pre-tightening apparatus (16) is spring, or
For counterweight.
9. sphere burnishing device according to claim 1, it is characterised in that the groove is spiral groove, Huo Zhewei
Concentric ring type groove.
10. sphere burnishing device according to claim 1, it is characterised in that be additionally provided with use on the rubbing head (12)
In the coil (121) for providing magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082841.XA CN108000342B (en) | 2018-01-29 | 2018-01-29 | Ball polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082841.XA CN108000342B (en) | 2018-01-29 | 2018-01-29 | Ball polishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108000342A true CN108000342A (en) | 2018-05-08 |
| CN108000342B CN108000342B (en) | 2020-01-17 |
Family
ID=62066548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082841.XA Active CN108000342B (en) | 2018-01-29 | 2018-01-29 | Ball polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108000342B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551356A (en) * | 2018-12-14 | 2019-04-02 | 厦门大学 | A kind of novel precise grinding and polishing device of sphere |
| CN109605186A (en) * | 2018-12-04 | 2019-04-12 | 厦门大学深圳研究院 | A kind of sphere polishing machine |
| CN111136569A (en) * | 2020-01-08 | 2020-05-12 | 靳彩霞 | Orthopaedics implant spherical surface precision machining assembly |
| CN113601381A (en) * | 2021-08-10 | 2021-11-05 | 哈尔滨工业大学 | Multi-driving device for polishing surface of large-size ceramic ball |
| CN114850984A (en) * | 2022-06-01 | 2022-08-05 | 浙江鑫豪机械有限公司 | Grinding and polishing device and using method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605186A (en) * | 2018-12-04 | 2019-04-12 | 厦门大学深圳研究院 | A kind of sphere polishing machine |
| CN109605186B (en) * | 2018-12-04 | 2022-03-15 | 厦门大学深圳研究院 | Sphere polishing machine |
| CN109551356A (en) * | 2018-12-14 | 2019-04-02 | 厦门大学 | A kind of novel precise grinding and polishing device of sphere |
| CN111136569A (en) * | 2020-01-08 | 2020-05-12 | 靳彩霞 | Orthopaedics implant spherical surface precision machining assembly |
| CN111136569B (en) * | 2020-01-08 | 2021-02-12 | 青岛阜外心血管病医院 | Orthopaedics implant spherical surface precision machining assembly |
| CN113601381A (en) * | 2021-08-10 | 2021-11-05 | 哈尔滨工业大学 | Multi-driving device for polishing surface of large-size ceramic ball |
| CN113601381B (en) * | 2021-08-10 | 2022-05-17 | 哈尔滨工业大学 | Multi-driving device for polishing surface of large-size ceramic ball |
| CN114850984A (en) * | 2022-06-01 | 2022-08-05 | 浙江鑫豪机械有限公司 | Grinding and polishing device and using method thereof |
| CN114850984B (en) * | 2022-06-01 | 2024-03-08 | 浙江鑫豪机械有限公司 | Grinding and polishing device and application method thereof |
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|---|---|
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