CN109623509A - A kind of centre-drive ultrasonic vibration auxiliary polishing tool - Google Patents
A kind of centre-drive ultrasonic vibration auxiliary polishing tool Download PDFInfo
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- CN109623509A CN109623509A CN201811653357.4A CN201811653357A CN109623509A CN 109623509 A CN109623509 A CN 109623509A CN 201811653357 A CN201811653357 A CN 201811653357A CN 109623509 A CN109623509 A CN 109623509A
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- Prior art keywords
- polishing
- ultrasonic vibration
- connecting rod
- spring
- damping bar
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Classifications
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- 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
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
A kind of centre-drive ultrasonic vibration auxiliary polishing tool, belonging to ultrasonic wave added manufacture field includes ultrasonic vibration knife handle, bulb mandril, multisection type clip, spring damping bar and polishing module；Multisection type clip is installed on the middle part of ultrasonic vibration knife handle, bulb mandril is installed on the end of ultrasonic vibration knife handle, polishing module is equipped with below bulb mandril, and polishing module is cooperated in the form of spherical hinge with the ball head of bulb mandril and contacts, the other end of one end of spring damping bar and multisection type clamp connection, spring damping bar is connect with polishing module.The present invention will be displaced by bulb mandril and power is output in polishing module, after polishing effect of the module by the spring damping bar of different-stiffness, one-dimensional vibration is converted into Spatial Multi-Dimensional vibration, improve the surface accuracy and removal efficiency of optical element polishing, and it can be by adjusting the pre compressed magnitude of spring, to mechanically adjust ultrasonic vibration amplitude, to adapt to the various amplitude demand of rough polishing and fine polishing.
Description
Technical field
The present invention relates to ultrasonic wave added manufacture fields more particularly to a kind of centre-drive ultrasonic vibration to assist polishing tool.
Background technique
Existing ultrasonic vibration ancillary technique is widely used in turning, milling and drilling field based on peacekeeping two dimension.
Existing two-dimension vibration secondary process is applied in turning and drilling.There is not also space multi-dimensional ultrasound to vibrate in polishing field
Ancillary technique, existing vibration auxiliary polishing technology is mostly one-dimensional axial vibration, and the vibration auxiliary under rare supersonic frequency
Polishing.First dimension vibration of individual two dimensional ultrasonic vibration auxiliary polishing technologies is mostly the axial vibration of cutter, and the second dimension is work
The plane extensional vibration of part, and existing multi-dimensional vibration is mostly the vibration that a dimension is added on cutter, it will be remaining
The vibration of dimension is added on workpiece, needs that multiple ultrasonic vibration installations, higher cost are arranged on process equipment.In addition, existing
With the presence of the problem of optical element tradition polishing mode processing efficiency is lower, machining accuracy is difficult to ensure, therefore need in one kind
The one-dimensional vibration of ultrasonic vibration knife handle is changed into Spatial Multi-Dimensional vibration by heart driving ultrasonic vibration auxiliary polishing tool, to improve
The efficiency and machining accuracy of tradition polishing.
Summary of the invention
It is an object of the invention to solve the above problem in the prior art, a kind of centre-drive ultrasonic vibration auxiliary is provided
Polishing tool, to improve polishing efficiency and precision.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of centre-drive ultrasonic vibration auxiliary polishing tool, including ultrasonic vibration knife handle, bulb mandril, multisection type card
Hoop, spring damping bar and polishing module；Multisection type clip is installed on the middle part of ultrasonic vibration knife handle, and bulb mandril is installed on ultrasound
The end of vibrating knife handle is equipped with polishing module below bulb mandril, and polish the ball head of module and bulb mandril with
The form of spherical hinge cooperates contact, one end of spring damping bar and multisection type clamp connection, the other end of spring damping bar and throwing
Optical module connection.
The spring damping bar includes upper connecting rod, lower connecting rod, spring, sleeve and clamp nut；Upper connecting rod it is upper
End and multisection type clamp connection, the lower end of lower connecting rod are fixed in polishing module；The lower end edge of upper connecting rod is axially arranged with top
Support, the upper end edge of lower connecting rod is axially arranged with protrusion, supporting part and protrusion contact, so that upper connecting rod and lower connecting rod
Coaxially to guarantee the guiding of spring damping bar；The bottom of the sleeve is equipped with the pressure section to extend internally, and the spring pocket is under
In connecting rod, and the both ends difference contact protrusion of spring and pressure section；The sleeve is set to upper connecting rod, lower connecting rod and bullet
The component periphery of spring composition；The clamp nut is set between sleeve and upper connecting rod, with the pre compressed magnitude of adjustment spring.
The spring damping bar further includes rubber washer, and the rubber washer is set between supporting part and protrusion.
In the present invention, the upper end of upper connecting rod is connected with the hinge base of multisection type clip；The lower end of lower connecting rod and throwing
The hinge base of optical module connects.
The polishing module includes polishing substrate and polishing pad, and polishing pad is affixed on the bottom surface of polishing substrate, polishing substrate circle
Week distribution hinge base is connect with spring damping bar.It polishes substrate and polishing pad is cyclic structure.Polish substrate centre with
The ball head of bulb mandril cooperates contact in the form of spherical hinge, so that polishing substrate be enable to do around the centre of sphere of bulb mandril
Spatial Multi-Dimensional vibration.
The multisection type clip is three-stage, four-part form or five-part form clip；The number of the spring damping bar be it is multiple,
And spring damping bar is distributed between multisection type clip and polishing module.
The multisection type clip can be three-stage clip, correspondingly, the number of the spring damping bar is 3.
The spring damping bar of different-stiffness applies different lower pressure on polishing substrate circumference, makes to polish substrate generation shape
The movement for becoming and then polishing pad being driven to generate Spatial Multi-Dimensional.
Ultrasonic vibration secondary process is the ultrasonic activation for applying certain orientation on machining tool or machined material, benefit
It is acted on the periodic vibration of its different directions, the cutting depth periodically-varied of machining tool can be made, so that operating force be made to subtract
Small and material removing rate increases.The Cutting trajectory that directive periodic vibration can also be achieved different machining tools interfere with each other and
It generates and repeats abrasive action, surface quality can be further increased based on processing quality.
Compared with the existing technology, the beneficial effect that technical solution of the present invention obtains is:
1, the one-dimensional longitudinal direction that the present invention exports ultrasonic vibration knife handle becomes Spatial Multi-Dimensional vibration, it is only necessary to a ultrasonic vibration
Equipment cost has been saved in source.
2, it will be displaced by bulb mandril and power be output in polishing module, polishing module is hindered by the spring of different-stiffness
After the effect of Buddhist nun's bar, one-dimensional vibration is converted into Spatial Multi-Dimensional vibration, improves the surface accuracy and removal effect of optical element polishing
Rate.
3, the present invention can change the pre compressed magnitude of spring by tuning clamp nut, to change output vibration with mechanical type
The size of width is to adapt to the various amplitude demands of rough polishing and fine polishing.
4, the present invention improves the efficiency and surface accuracy of processing hard brittle material workpiece using vibration, is suitble to processing various hard
Crisp material, is applied in the polishing of optical element, largely improves the surface accuracy and material removal of optical element
Efficiency.
Detailed description of the invention
Fig. 1 is the schematic perspective view that the present invention uses three-stage clip；
Fig. 2 is decomposition texture schematic diagram of the invention；
Fig. 3 is the schematic perspective view using four-part form clip；
Fig. 4 is the schematic diagram of the section structure of spring damping bar；
Fig. 5 is the schematic diagram that P point is selected on polishing pad；
Fig. 6 is the ZY areal model figure of polishing pad P point；
Fig. 7 is the space tracking figure of polishing pad P point；
Fig. 8 is the low-frequency vibration trajectory diagram of polishing pad P point.
Detailed description of the invention: 1 ultrasonic vibration knife handle, 2 pins, 3 bulb mandrils, 4 multisection type clips, 5 clamp nuts, 6 sleeves, 7
Upper connecting rod, 8 springs, 9 rubber washers, 10 lower connecting rods, 11 polishing substrates, 12 polishing pads.
Specific embodiment
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie below
Drawings and examples are closed, the present invention is described in further details.
As shown in Figures 1 to 3, the present invention includes ultrasonic vibration knife handle 1, bulb mandril 3, multisection type clip 4, spring damping bar
With polishing module.
The multisection type clip 4 is installed on the middle part of ultrasonic vibration knife handle 1, and bulb mandril 3 is installed on ultrasonic vibration knife handle 1
End, polishing module is equipped with below bulb mandril 3；One end of spring damping bar is connect with multisection type clip 4, spring resistance
The other end of Buddhist nun's bar is connect with polishing module.
The polishing module includes polishing substrate 11 and polishing pad 12, and polishing pad 12 is affixed on the bottom surface of polishing substrate 11, is thrown
11 circle distribution hinge base of photopolymer substrate is connect with spring damping bar.It polishes substrate 11 and polishing pad 12 is cyclic structure.It throws
The centre of photopolymer substrate 11 is cooperated in the form of spherical hinge with the ball head of bulb mandril 3 to be contacted, to enable to polish substrate 11
Spatial Multi-Dimensional vibration is done around the centre of sphere of bulb mandril 3.
Multisection type clip 4 described in the present embodiment is three-stage clip, and spring damping bar number is 3, using three-stage clip
Three spring damping bars are fixed to transmit ultrasonic vibration displacement, three-stage clip can also be changed to four-part form clip or five-part form card
Hoop, while four or five spring damping bars are fixed on multisection type clip 4 to transmit displacement.As shown in figure 3, being adopted for the present invention
With the schematic perspective view of four-part form clip.
As shown in Figure 2 and Figure 4, the spring damping bar includes upper connecting rod 7, lower connecting rod 10, spring 8, sleeve 6, pressure
Tight nut 5 and rubber washer 9.
The upper end of upper connecting rod 7 is connect by pin 2 with the hinge base of multisection type clip 4, the lower end of lower connecting rod 10
It is connect by pin 2 with the hinge base of polishing substrate 11；The lower end edge of upper connecting rod 7 is axially arranged with supporting part, lower connecting rod
10 upper end edge is axially arranged with protrusion, and rubber washer 9 is set between supporting part and protrusion, and supporting part and protrusion pass through rubber
The mutual contact of rubber gasket 9, so that upper connecting rod 7 and lower connecting rod 10 are coaxially to guarantee the guiding of spring damping bar；The sleeve 6
Bottom be equipped with the pressure section that extends internally, 8 sets of the spring is on lower connecting rod 10, and the both ends difference contact of spring 8 is convex
Portion and pressure section out；The sleeve 6 is set to the component periphery that upper connecting rod 7, lower connecting rod 10 and spring 8 form；The compression
Nut 5 is set between sleeve 6 and upper connecting rod 7, with the pre compressed magnitude of adjustment spring 8.
In the present invention, the spring damping bar of different-stiffness applies different lower pressure on polishing 11 circumference of substrate, makes to throw
Photopolymer substrate 11 generates deformation and then drives the movement of the generation Spatial Multi-Dimensional of polishing pad 12.
The present invention installs multisection type clip 4, spring damping bar, polishing substrate on existing One-Dimensional Ultrasonic vibrating knife handle 1
11 and polishing pad 12, it will be displaced by bulb mandril 3 and power be output in polishing module, polish module by three different-stiffness
Spring damping bar effect after, so that original One-Dimensional Ultrasonic vibration machining is changed into Spatial Multi-Dimensional ultrasonic vibration, improve optics
The surface accuracy and removal efficiency of element polishing, and the pre compressed magnitude of spring 8 can be adjusted by tuning clamp nut 5, from
And the vibration amplitude of ultrasonic vibration is mechanically adjusted, to adapt to the various amplitude demand of rough polishing and fine polishing.
A kind of operating method of centre-drive ultrasonic vibration auxiliary polishing tool of the present invention is as follows:
First ultrasonic vibration knife handle 1 should be mounted on machine tool chief axis when use, and by the Power Supply fittings of ultrasonic vibration knife handle 1
It installs；Then multisection type clip 4 is mounted on to the middle part of ultrasonic vibration knife handle 1, hinge base and spring on multisection type clip 4
The upper connecting rod 7 of damper rod is connected；The lower connecting rod 10 of spring damping bar is connected with the hinge base on polishing substrate 11.Polishing
When optical element, according to the various amplitude demand that rough polishing or essence are thrown, the clamp nut 5 of spring damping bar can be tuned and then adjusted
The pre compressed magnitude of spring 8, to adjust the amplitude of final polishing pad 12.When the pre compressed magnitude for regulating spring damping bar is laggard can
To be powered to ultrasonic vibration knife handle 1, and starts lathe and start polishing operation.
As shown in figure 5, taking a point P on polishing pad；Structural model according to the present invention carries out abbreviation to structure and obtains such as figure
The ZY areal model figure of polishing pad P point shown in 6, d are the horizontal displacement distance of P point, and θ is the tilt angle of polishing pad, according to rotation
Shaft axis distance is 28mm, carries out mathematical modeling.
X=rsin (ω t),
Y=rcos (ω t),
Z=Asin (2 π ft),
R=26+2sin (2 π ft)
In formula, P point be may be regarded as around polishing pad central axis rotation, therefore with polar form expression P point in plan-position.F is
The vibration frequency of ultrasonic vibration knife handle, ω are the angular speed of main shaft rotation, and A is amplitude, and radius r is the amount of t variation at any time, when
When polishing pad is in horizontal attitude, r=R=28.In order to which more intuitive expression P point is in the track in space, when P is in minimum point, i.e.,
When inclination pose in Fig. 6, the difference of the r and R that take it to be projected in ZY plane are 2 to get r=26+2sin (2 π
f·t)。
Above-mentioned mathematical model is imported into Matlab software and is run, the space tracking and figure of Fig. 7 polishing pad P point are simulated
The low-frequency vibration trajectory diagram of 8 polishing pad P points meets the track characteristic of Spatial Multi-Dimensional vibration.
Claims (8)
1. a kind of centre-drive ultrasonic vibration assists polishing tool, it is characterised in that: including ultrasonic vibration knife handle, bulb mandril,
Multisection type clip, spring damping bar and polishing module；Multisection type clip is installed on the middle part of ultrasonic vibration knife handle, bulb mandril peace
End loaded on ultrasonic vibration knife handle, bulb mandril lower section is equipped with polishing module, and polishes the ball of module and bulb mandril
Shape head cooperates contact in the form of spherical hinge, one end of spring damping bar and multisection type clamp connection, spring damping bar it is another
One end is connect with polishing module.
2. a kind of centre-drive ultrasonic vibration assists polishing tool as described in claim 1, it is characterised in that: spring damping bar packet
Include upper connecting rod, lower connecting rod, spring, sleeve and clamp nut；The upper end of upper connecting rod and multisection type clamp connection, lower connection
The lower end of bar is fixed in polishing module；The lower end edge of upper connecting rod is axially arranged with supporting part, and the upper end edge of lower connecting rod is axial
Equipped with protrusion, supporting part and protrusion contact, so that upper connecting rod and lower connecting rod are coaxially to guarantee leading for spring damping bar
To；The bottom of the sleeve is equipped with the pressure section to extend internally, and the spring pocket is on lower connecting rod, and the both ends difference of spring
Contact protrusion and pressure section；The sleeve is set to the component periphery of upper connecting rod, lower connecting rod and spring composition；The compression
Nut is set between sleeve and upper connecting rod, with the pre compressed magnitude of adjustment spring.
3. a kind of centre-drive ultrasonic vibration assists polishing tool as claimed in claim 2, it is characterised in that: the spring damping
Bar further includes rubber washer, and the rubber washer is set between supporting part and protrusion.
4. a kind of centre-drive ultrasonic vibration assists polishing tool as claimed in claim 2, it is characterised in that: upper connecting rod it is upper
End is connected with the hinge base of multisection type clip；The lower end of lower connecting rod is connect with the hinge base of polishing module.
5. a kind of centre-drive ultrasonic vibration assists polishing tool as described in claim 1, it is characterised in that: the polishing module
Including polishing substrate and polishing pad, polishing pad is affixed on the bottom surface of polishing substrate, polishes substrate circle distribution hinge base and spring
Damper rod connection.
6. a kind of centre-drive ultrasonic vibration assists polishing tool as claimed in claim 5, it is characterised in that: polishing substrate and throwing
Light pad is cyclic structure.
7. a kind of centre-drive ultrasonic vibration assists polishing tool as described in claim 1, it is characterised in that: multisection type clip is
Three-stage, four-part form or five-part form clip；The number of the spring damping bar is multiple, and spring damping bar is distributed in multisection type
Between clip and polishing module.
8. a kind of centre-drive ultrasonic vibration assists polishing tool as claimed in claim 7, it is characterised in that: the multisection type card
Hoop is three-stage clip, and the number of the spring damping bar is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653357.4A CN109623509B (en) | 2018-12-29 | 2018-12-29 | Center-driven ultrasonic vibration auxiliary polishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653357.4A CN109623509B (en) | 2018-12-29 | 2018-12-29 | Center-driven ultrasonic vibration auxiliary polishing tool |
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| Publication Number | Publication Date |
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| CN109623509A true CN109623509A (en) | 2019-04-16 |
| CN109623509B CN109623509B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811653357.4A Active CN109623509B (en) | 2018-12-29 | 2018-12-29 | Center-driven ultrasonic vibration auxiliary polishing tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657190A (en) * | 2019-08-15 | 2020-01-07 | 中国电力科学研究院有限公司 | Composite spring component and vertical vibration isolation device comprising same |
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| CN104889881A (en) * | 2015-05-27 | 2015-09-09 | 厦门大学 | Vibrating combined flexible grinding and polishing tool |
| CN206343976U (en) * | 2016-12-30 | 2017-07-21 | 中北大学 | Ultrasonic honing device for outer surface of cylinder with diameter of 20mm |
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2018
- 2018-12-29 CN CN201811653357.4A patent/CN109623509B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2250814C1 (en) * | 2003-10-02 | 2005-04-27 | Государственное образовательное учреждение высшего профессионального образования "Алтайский государственный технический университет им. И.И. Ползунова" | Ultrasonic oscillation system for dimension working |
| JP2006021295A (en) * | 2004-07-09 | 2006-01-26 | Yuzo Mori | Method and device for processing ultraprecise mirror surface |
| CN202428288U (en) * | 2011-12-06 | 2012-09-12 | 西华大学 | Novel smooth actuating mechanism for die polishing |
| CN103317423A (en) * | 2013-07-10 | 2013-09-25 | 厦门大学 | Metal curved surface flexible polishing tool |
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| CN104889881A (en) * | 2015-05-27 | 2015-09-09 | 厦门大学 | Vibrating combined flexible grinding and polishing tool |
| CN206343976U (en) * | 2016-12-30 | 2017-07-21 | 中北大学 | Ultrasonic honing device for outer surface of cylinder with diameter of 20mm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657190A (en) * | 2019-08-15 | 2020-01-07 | 中国电力科学研究院有限公司 | Composite spring component and vertical vibration isolation device comprising same |
| CN110657190B (en) * | 2019-08-15 | 2024-03-19 | 中国电力科学研究院有限公司 | Composite spring component and vertical vibration isolation device comprising same |
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| Publication number | Publication date |
|---|---|
| CN109623509B (en) | 2019-12-06 |
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