CN109227152A - A kind of two-dimension vibration platform for precision ultrasonic processing - Google Patents
A kind of two-dimension vibration platform for precision ultrasonic processing Download PDFInfo
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- CN109227152A CN109227152A CN201811292351.9A CN201811292351A CN109227152A CN 109227152 A CN109227152 A CN 109227152A CN 201811292351 A CN201811292351 A CN 201811292351A CN 109227152 A CN109227152 A CN 109227152A
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- shake table
- vibration
- fixedly mounted
- ultrasonic
- support frame
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- 238000012545 processing Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 26
- 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 abstract description 14
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 208000033748 Device issues Diseases 0.000 claims 1
- 230000005284 excitation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000003754 machining Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/74—Auxiliary tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention relates to a kind of two-dimension vibration platforms for precision ultrasonic processing, including two ultrasonic vibration installations, shake table, fixtures, a ultrasonic vibration installation is respectively fixedly mounted in the adjacent two sides of shake table, two ultrasonic vibration installations are perpendicular, and it is supported respectively by vibration device support frame, the bottom of two vibration device support frames is fixedly mounted with a pedestal, fixture is fixedly mounted on the nodal plane that the ultrasonic wave that two ultrasonic vibration installation of the top surface of shake table issues intersects in length and breadth, fixture uses one group and size can not be too big.Shake table realizes elliptic motion under the excitation of two ultrasonic vibration installations.The present invention is supported using a kind of two dimensional ultrasonic vibration shake table of quarter-wave transducer designs using two kinds of different supporting way, respectively thin plate support and point support.Shake table implements ultrasonic vibration simultaneously in both direction, and vibration table does the movement of elliptical orbit.
Description
Technical field
The invention belongs to Ultrasonic machining fields, are related to shake table, especially a kind of two dimension vibration for precision ultrasonic processing
Dynamic platform.
Background technique
With new and high technology, the development of material science, the special materials such as advanced ceramics material and alloy material are extensive
Using with aerospace, biotechnology, the fields such as national defense industry.In new material processing preparation process, the special process just seems
It is particularly important, such as electrical discharge machining, Ultrasonic machining, many special processs such as electrical-chemistry method are to hard, soft, crisp, temperature-sensitive, corrosion resistant
The special materials such as erosion, high-melting-point, high intensity are processed, and ideal processing effect can be obtained, in this regard, the effect of traditional processing
It can not show a candle to the special process, or even can not process, therefore, break through the constraint of traditional processing, constantly explore, find new processing method
Become the important task of machine-building, various special processing technologies is used and given birth to thus, and is constantly developed.?
In the basic requirement of the workpiece of processing, in order to improve the quality on surface, Ultrasonic machining has important role to this, common to grind
It cuts processing and is difficult to ensure that machining accuracy, ultrasonic vibration secondary process can effectively reduce cutting force, improve surface quality.
Summary of the invention
It is an object of the invention to overcome prior art workpiece surface machining accuracy low, grinding force is big, and material removing rate is low
The problems such as, provide it is a kind of can be realized it is efficient, high-precision for precision ultrasonic processing two dimensional ultrasonic vibration platform.
The invention patent technical scheme applied to solve the technical problem is:
A kind of two-dimension vibration platform for precision ultrasonic processing, including two ultrasonic vibration installations, shake table, fixtures,
The adjacent two sides of shake table are respectively fixedly mounted with a ultrasonic vibration installation, and two ultrasonic vibration installations are perpendicular, and pass through vibration dress respectively
Support frame support is set, bottom and a pedestal for two vibration device support frames is fixedly mounted with, in two ultrasonic vibration installation of the top surface of shake table
Fixture is fixedly mounted on the nodal plane that the ultrasonic wave of sending intersects in length and breadth, fixture uses one group and size can not be too big.Shake table
Elliptic motion is realized under the excitation of two ultrasonic vibration installations.
Moreover, installing shake table support frame between shake table bottom surface and pedestal, the shake table support frame is point branch
Support or plate bracing frame.
Moreover, the point support frame is mounted on the bottom center of shake table, it is made of column and support ball, in column
Top surface is fixedly mounted with support ball, and bottom surface and the pedestal of column are fixedly mounted with, and support ball contacts with the bottom surface of shake table but is not fixedly mounted with connection.
Moreover, the plate bracing frame is to be fixedly mounted with a support plate, support plate bottom surface and pedestal in the bottom surface side of shake table
It is fixedly mounted with, the top surface of support plate contacts with shake table bottom surface but is not fixedly mounted with connection.
Moreover, the PZT (piezoelectric transducer) working frequency that the length of shake table is ultrasonic vibration installation corresponds to equivalent 1/4 wavelength
Integral multiple.
Moreover, the amplitude that two ultrasonic vibration installations issue ultrasonic wave is identical.Two energy converter-amplitude transformers are in adjacent two
It is identical due to amplitude transformer because the frequency of two waves, phase, first phase are the same in a plane, finally on a vibration table
Amplitude it is same, in one plane, ultrasonic wave can be offset.
Moreover, the ultrasonic vibration installation includes PZT (piezoelectric transducer), amplitude transformer and connecting flange, amplitude transformer and vibration
The position of platform connection is the diagonal line point of intersection in shake table side.It is formed with connecting hole in the point of intersection, amplitude transformer insertion connects
It connects in hole and is bolted.The connecting flange is sleeved on the middle part of amplitude transformer, passes through bolt with vibration device support frame
Connection.A centre bore is formed on vibration device support frame, amplitude transformer passes through the centre bore, the company of centre bore and shake table side
It is coaxial to connect hole.
This programme is a kind of improvement to rotary ultrasonic wave processing technology, utilizes the multi-shaft interlocked integrated of numerical control machining center
Ultrasonic vibration platform realizes ultrasonic vibration secondary process to the inside/outside surface of workpiece.
The advantages and positive effects of the present invention are:
1, this shake table elliptic motion under the excitation of two ultrasonic vibration installations improves the suitable of supersonic machining apparatus
With property, multi-dimensional ultrasound vibration machining is realized.
2, this shake table is integrally fixed on machining center work top by fixing bolt, realizes ultrasonic vibration apparatus
Machine tool accessories, have versatility and interchangeability.
3, this shake table ultrasonic vibration installation can adjust the amplitude and frequency of shake table.Ticker can according to demand more
It changes, different amplitude and frequency is provided for shake table.
4, this shake table support frame is point support or plate support, and ultrasonic wave passes to the energy on shake table support frame will be big
Amount reduces, and energy can focus in the process of workpiece, will not be produced without necessary loss.
Detailed description of the invention
Fig. 1 is the structure top view of this shake table；
Fig. 2 is 1 shake table point support construction figure of embodiment；
Fig. 3 is 2 shake table board supporting structure figure of embodiment.
Fig. 4 is the three-dimensional structure diagram of two kinds of shake table support frames.
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by specific embodiment, and following embodiment is descriptive
, it is not restrictive, this does not limit the scope of protection of the present invention.
A kind of two-dimension vibration platform for precision ultrasonic processing, including two ultrasonic vibration installations 1, shake table 3, fixture 4,
It is respectively fixedly mounted with a ultrasonic vibration installation in the adjacent two sides of shake table, two ultrasonic vibration installations are perpendicular, and pass through vibration respectively
Device support stand 5 supports, and the bottom of two vibration device support frames is fixedly mounted with a pedestal 2.Pedestal is by foundation locking mechanism and adds
The workbench at work center is fixed.On the nodal plane that the ultrasonic wave that two ultrasonic vibration installation of the top surface of shake table issues intersects in length and breadth
It is fixedly mounted with one group of fixture.Shake table realizes the movement of vertical and horizontal under the excitation of two ultrasonic vibration installations, to realize ellipse
Circular motion.
The ultrasonic vibration installation includes PZT (piezoelectric transducer) 1-1, amplitude transformer 1-2 and connecting flange 1-3, amplitude transformer with
The position of shake table connection is the diagonal line point of intersection in shake table side, is formed with connecting hole, amplitude transformer insertion in the point of intersection
In connecting hole and it is bolted.The connecting flange is sleeved on the middle part of amplitude transformer, passes through spiral shell with vibration device support frame
It tethers and connects, a centre bore is formed on vibration device support frame, amplitude transformer passes through the centre bore, centre bore and shake table side
Connecting hole is coaxial.Ultrasonic vibration signal, which is generated by supersonic generator and is transferred to ticker, is then passed to shake table, can
Adjust the amplitude and frequency of shake table.Ticker can be replaced according to demand, and different amplitude and frequency are provided for shake table.
The ultrasonic vibration platform length is the integral multiple that ultrasonic transducer working frequency corresponds to equivalent 1/4 wavelength.
It is equipped with threaded hole on shake table wave section, is used for stationary fixture.
Shake table support frame is installed between shake table bottom surface and pedestal, mode that there are two types of the shake table support frames,
A kind of mode is using point support, such as embodiment 1；Another way is supported using plate, such as embodiment 2.
Embodiment 1
As shown in Figure 1, installing shake table support frame at the bottom center of shake table, the shake table support frame is by standing
Column 7 and support ball 6 are constituted, and in the top surface of column are fixedly mounted with support ball, and bottom surface and the pedestal of column are fixedly mounted with, support ball and shake table
Bottom surface is only contact but is not fixedly mounted with connection.Column is not oppressed shake table and is moved upwards, and Z-direction support is only provided.
The characteristics of such structure is: shake table support frame and shake table support for point, due to shake table support frame and vibration
The contact surface of dynamic platform is very close to a point, and the energy that ultrasonic wave passes on shake table support frame will be reduced largely, energy meeting
It focuses in the process of workpiece, necessary loss will not be produced without.
Embodiment 2
As shown in figure 3, being fixedly mounted with shake table support frame in the bottom surface side of shake table, the shake table support frame is one
Fagging 8, support plate bottom surface are fixedly mounted with pedestal, and the top surface of support plate is only contacted with shake table bottom surface, but is not fixedly mounted with connection.
The characteristics of such structure is: single support plate of shake table support frame is contacted with shake table bottom surface, and shake table is realized
While ultrasonic vibration, shake table support frame does not vibrate.The Z-direction of shake table loads the single branch by shake table support frame
Fagging provides support.This structure advantageously reduces influence of the shake table support frame to the shake table entirety vibration shape.
The support plate of shake table is supported to accomplish as far as possible thin or narrow, to avoid ultrasonic wave as bracket transmits downwards, so that
Expected requirement is not achieved in amplitude, influences the processing of workpiece.
Embodiment 2 is compared with Example 1 compared be support being mechanism, 1 support scheme of embodiment is due to bracket and vibration
The contact surface of platform is very close to a point, and the energy that ultrasonic wave passes on bracket will be reduced largely, and energy can focus on workpiece
Process in, necessary loss will not be produced without, but the support of 2 thin plate of example is then completely different, bracket and vibration
The contact surface of platform is a rectangle, and when shake table vibration, energy can be transmitted in bottom plate with bracket, ultrasonic wave
A part will be lost in energy, so that the amplitude of shake table is not achieved expection, the processing efficiency and machining accuracy of workpiece all can be by
To influence.
So either from from the point of view of energy or from constraint of the supporting way to vibration, all with a support construction
Preferably.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, under the premise of not departing from inventive concept, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (10)
1. a kind of two-dimension vibration platform for precision ultrasonic processing, it is characterised in that: including two ultrasonic vibration installations, vibration
Platform, fixture are respectively fixedly mounted with a ultrasonic vibration installation in the adjacent two sides of shake table, and two ultrasonic vibration installations are perpendicular, and respectively
It is supported by vibration device support frame, bottom and a pedestal for two vibration device support frames is fixedly mounted with, and two is surpassed in the top surface of shake table
It is fixedly mounted with fixture on the nodal plane that intersects in length and breadth of ultrasonic wave that acoustic vibration device issues, shake table swashs two ultrasonic vibration installations
Encourage lower realization elliptic motion.
2. the two-dimension vibration platform according to claim 1 for precision ultrasonic processing, it is characterised in that: in shake table bottom surface
Shake table support frame is installed between pedestal, the shake table support frame is point support frame or plate bracing frame.
3. the two-dimension vibration platform according to claim 2 for precision ultrasonic processing, it is characterised in that: the point support
Frame is mounted on the bottom center of shake table, is made of column and support ball, is fixedly mounted with support ball, the bottom surface of column in the top surface of column
It is fixedly mounted with pedestal, support ball contacts with the bottom surface of shake table but is not fixedly mounted with connection.
4. the two-dimension vibration platform according to claim 2 for precision ultrasonic processing, it is characterised in that: the plate support
Frame is to be fixedly mounted with a support plate in the bottom surface side of shake table, and support plate bottom surface is fixedly mounted with pedestal, the top surface of support plate and shake table
Bottom surface contacts but is not fixedly mounted with connection.
5. the two-dimension vibration platform according to claim 1 for precision ultrasonic processing, it is characterised in that: the length of shake table
The integral multiple of equivalent 1/4 wavelength is corresponded to for the PZT (piezoelectric transducer) working frequency of ultrasonic vibration installation.
6. the two-dimension vibration platform according to claim 1 for precision ultrasonic processing, it is characterised in that: two ultrasonic vibrations dress
The amplitude for setting sending ultrasonic wave is identical.
7. the two-dimension vibration platform according to claim 1 for precision ultrasonic processing, it is characterised in that: the ultrasound vibration
Dynamic device includes PZT (piezoelectric transducer), amplitude transformer and connecting flange, and the position that amplitude transformer is connect with shake table is in shake table side
The diagonal line point of intersection in face.
8. the two-dimension vibration platform according to claim 7 for precision ultrasonic processing, it is characterised in that: in the point of intersection
It is formed with connecting hole, amplitude transformer insertion connecting hole is interior and is bolted.
9. the two-dimension vibration platform according to claim 7 for precision ultrasonic processing, it is characterised in that: the connecting flange
It is sleeved on the middle part of amplitude transformer, is bolted with vibration device support frame.
10. the two-dimension vibration platform according to claim 7 for precision ultrasonic processing, it is characterised in that: in vibration device
A centre bore is formed on support frame, amplitude transformer passes through the centre bore, and centre bore and the connecting hole of shake table side are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292351.9A CN109227152A (en) | 2018-11-01 | 2018-11-01 | A kind of two-dimension vibration platform for precision ultrasonic processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811292351.9A CN109227152A (en) | 2018-11-01 | 2018-11-01 | A kind of two-dimension vibration platform for precision ultrasonic processing |
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| CN109227152A true CN109227152A (en) | 2019-01-18 |
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| CN201811292351.9A Pending CN109227152A (en) | 2018-11-01 | 2018-11-01 | A kind of two-dimension vibration platform for precision ultrasonic processing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693149A (en) * | 2019-02-20 | 2019-04-30 | 东北大学 | Five axis three-D ultrasonic burnishing devices and its application method in high precision |
| CN109848767A (en) * | 2019-02-20 | 2019-06-07 | 东北大学 | High-precision four-dimensional ultrasonic polishing device and its application method |
| CN112296459A (en) * | 2019-08-02 | 2021-02-02 | 河南理工大学 | Ultrasonic-assisted linear cutting microtexture forming method and device based on elliptical vibration |
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| CN109848767A (en) * | 2019-02-20 | 2019-06-07 | 东北大学 | High-precision four-dimensional ultrasonic polishing device and its application method |
| CN109848767B (en) * | 2019-02-20 | 2020-11-03 | 东北大学 | High-precision four-dimensional ultrasonic polishing device and using method thereof |
| CN112296459A (en) * | 2019-08-02 | 2021-02-02 | 河南理工大学 | Ultrasonic-assisted linear cutting microtexture forming method and device based on elliptical vibration |
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