CN204997090U - Be suitable for perpendicular elliptical vibration cutting device of two piezoelectricity of vertical excircle processing - Google Patents
Be suitable for perpendicular elliptical vibration cutting device of two piezoelectricity of vertical excircle processing Download PDFInfo
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- CN204997090U CN204997090U CN201520770787.XU CN201520770787U CN204997090U CN 204997090 U CN204997090 U CN 204997090U CN 201520770787 U CN201520770787 U CN 201520770787U CN 204997090 U CN204997090 U CN 204997090U
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Abstract
The utility model relates to a be suitable for perpendicular elliptical vibration cutting device of two piezoelectricity of vertical excircle processing, belong to receive a little with the complicated machining optical element technical field of super hot investment casting and difficult processing material. The flexible hinge base member of series connection integral type is connected with two piezoelectric stack respectively, and displacement measurement baffle installation is on the flexible hinge base member of series connection integral type, and capacitive displacement transducer installs on the displacement sensor holder, and the displacement sensor holder is installed on the flexible hinge base member of series connection integral type, and diamond tool passes through fastening screw and installs at the flexible hinge base member front end of series connection integral type. The advantage is: novel structure, series connection integral type flexibility hinge base member is formed by the one -step refining, and overall structure is simple relatively, and easily manufacturing, and to a great extent has reduced owing to assemble the error that causes, and this two piezoelectricity vertical ellipse vibrates the small of turning device, and the quality is little, easily realizes the high frequency cutting process of elliptical vibration.
Description
Technical field
The utility model belongs to the complicated optical effect correction technical field of micro-nano and super hot investment casting and difficult-to-machine material, particularly relates to a kind of two piezoelectricity vertical ellipse vibration cutting devices being suitable for vertical Excircle machining.
Background technology
In recent years along with rapid technological growth, some precision component applications are also more and more higher for the requirement on machining accuracy of part, the application of diamond cutter plays an important role for the precision improving precision component processing, but conventional machining process limits, when processing ferrous metal material, the too fast part processing precision that result in of tool wear is difficult to improve a lot, Precision Machining for difficult-to-machine material is needed badly and is had breakthrough in processing method, vibrocutting needs based on this just and produces, vibration in process is used by vibrocutting, the intermittent cutting way of its uniqueness effectively prevent the Fast Wearing of diamond cutter, extend cutting-tool's used life, improve part processing precision.
Vibrocutting was successfully applied in the cutting of difficult-to-machine material and is subject to the extensive concern of whole world scholar from 1966, but the pressing characteristic that after cutter, knife face has in process, cannot improve a lot in prolongation cutter life, the people such as this English of society two professor of Nagoya University in 1993 propose the concept of elliptical vibration cutting (EllipticalVibrationCutting) first, simultaneously for some difficult-to-machine materials such as carbide alloy etc., carry out correlation test, the result of research shows, elliptical vibration cutting can suppress the flutter in process, greatly reduce cutting force, reduce tool wear, extend cutter life, improve the suface processing quality of part, ductility cutting etc. can be tested for fragile material.
The current research for elliptical vibration cutting both at home and abroad mainly contains Kobe University and the Nagoya University of Japan, the Bremen university of Germany, NorthCarolina university of the U.S. and Northwest University, NUS, domestic Tsing-Hua University, Jilin University, BJ University of Aeronautics & Astronautics, Nanjing Aero-Space University, Harbin Institute of Technology, The Hong Kong Polytechnic University, Xiamen University, Institutes Of Technology Of He'nan etc.What research related to mainly contains elliptical vibration cutting device, elliptical vibration cutting path, and elliptical vibration cutting controls, and crisp transformation performance moulded by elliptical vibration cutting difficult-to-machine material, elliptical vibration cutting very low power processing characteristics, elliptical vibration cutting power etc.
The research of elliptical vibration cutting device is mainly divided into piezoelectric patches transducer ultrasonic oscillating mode device and Piezoelectric Driving flexible hinge chain off-resonance type device.The former belongs to resonance type device, its main feature can realize higher frequency in the process of processing, according to current statistics, elliptical vibration cutting processing frequency can reach 60KHZ, but also there is the defect of some inherences in the elliptical vibration cutting device of resonance type, such as need to realize resonance according to the intrinsic frequency of device itself in process, and then carry out machining, so, the frequency of processing just can not adjust, easily produce coupling between each first order mode simultaneously, the difficulty controlled is larger, so at the design aspect of device, non-co-vibration shape elliptical vibration cutting device receives the concern of researcher gradually, non-co-vibration shape elliptical vibration cutting device is generally drive flexible hinge to form by piezoelectric stack, the shape of flexible hinge, size and the method for salary distribution all affect to some extent on the effect of elliptical vibration cutting.The elliptical orbit of diamond synthesis point of a knife is carried out according to the method for salary distribution of flexible hinge, the elliptical vibration cutting device of current design can generate the elliptical trajectory of two dimension and three-dimensional elliptical trajectory, the scope that different tracks can be processed is different, elliptical vibration cutting non-co-vibration shape device is recorded according to current document, parallel and the flexible hinge tandem two kinds by flexible hinge, non-co-vibration shape elliptical vibration cutting device is all generally designed by horizontal lathe, device fix a cutting tool formed elliptical trajectory plane and machine tool chief axis central axis, effective intermittent cutting movement can be formed, and for vertical lathe, this kind of device fix a cutting tool formed elliptical trajectory plane and machine tool chief axis centerline parallel, be unfavorable for forming intermittent cutting movement.
What current existing off-resonance elliptical vibration cutting device patent can be looked into has: a kind of mixing three-dimensional elliptical vibrocutting method that patent (CN102078967A) is mentioned, what adopt is parallel flexible hinge, piezoelectric stack is adopted to drive, this parallel device is owing at right angles distributing between its each kinematic axis, easy generation sports coupling, controls very difficult.The oval topping machanism that patent (CN102059575A) is mentioned, what adopt is in-line flexible hinge, but in the design process, the quality of dynamic component is larger, be difficult to realize high frequency cut, being limited in scope of parameter adjustment, for can match machined lathe require higher, not there is generality.A kind of three-dimensional elliptical vibration cutting device that patent (CN102371359A) is mentioned has above-mentioned limitation too, and there is not been reported to be directed to the elliptical vibration cutting device of vertical cylindrical turning.
In sum, existing off-resonance elliptical vibration cutting device also also exists some shortcomings.Therefore for these weak points, must study and propose a kind of new elliptical vibration cutting device, to realize the demand of the various difficult-to-machine material of Diamond Cutting and not coplanar type, obtaining best machinability.
Summary of the invention
The utility model provides a kind of two piezoelectricity vertical ellipse vibration cutting devices being suitable for vertical Excircle machining, thus realizes the Ultra-precision machining of difficult-to-machine material on vertical lathe.
The technical scheme that the utility model is taked is: piezoelectric stack pre-loading screw two carries out pretension through three pairs, the hole piezoelectric stack two on series connection integral type flexible hinge matrix, piezoelectric stack pre-loading screw one carries out pretension through five pairs, the hole piezoelectric stack one on series connection integral type flexible hinge matrix, on the hole six that displacement measurement baffle plate one and displacement measurement baffle plate two are arranged on series connection integral type flexible hinge matrix respectively by trip bolt and hole eight, capacitive displacement transducer one and capacitive displacement transducer two respectively correspondence are arranged on displacement transducer holder one and displacement transducer holder two, on the Kong Si that displacement transducer holder one and displacement transducer holder two are arranged on series connection integral type flexible hinge matrix respectively by trip bolt and hole two, diamond cutter is arranged on the hole seven of series connection integral type flexible hinge matrix front end by trip bolt.
On series connection integral type flexible hinge matrix of the present utility model, two orthogonal flexible hinges all adopt rectangular hinge, and become parallelogram to arrange between four subbranches comprised in single hinge, form single-degree-of-freedom closed system.
Series connection integral type flexible hinge matrix of the present utility model adopts the machine-shaping of Linear cut integral type.
Series connection integral type flexible hinge matrix passing hole one of the present utility model, to be connected with force snesor with screw.
The utility model has the advantages that: novel structure, series connection integral type flexible hinge matrix is formed by time processing, overall structure is relatively simple, be easy to manufacture, and greatly reduce owing to assembling the error caused, the volume of this two piezoelectricity vertical ellipse vibration turning device is little, and quality is little, is easy to the high frequency machining realizing elliptical vibration.The flexible hinge adopted is all parallelogram, its advantage can reduce motion of growing nonparasitically upon another plant to the full extent, the abundant one-way ensureing motion, two piezoelectricity vertical ellipse vibration turning devices can be arranged on force snesor by the screwed hole on base in series connection integral type flexible hinge matrix, realize the further optimization to cutting force, also can be directly installed on the guide rail of vertical lathe, simultaneously because the whole height of device is less, the applicability for lathe is stronger.The utility model is driven by two piezoelectric stacks, what take is non-resonant mode, elliptic parameter can carry out by piezoelectric stack drive singal the position adjusting space ellipse, two piezoelectric stacks drive and drive independently flexible hinge respectively, there is not coupling each other, the control accuracy that two piezoelectricity vertical ellipse vibrocutting flexible apparatus are higher can be realized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model series connection integral type flexible hinge matrix.
Detailed description of the invention
Piezoelectric stack pre-loading screw 29 carries out pretension through 3 103 pairs, the hole piezoelectric stack 2 13 on series connection integral type flexible hinge matrix 1, piezoelectric stack pre-loading screw 1 carries out pretension through 5 105 pairs, the hole piezoelectric stack 1 on series connection integral type flexible hinge matrix 1, on the hole 6 106 that displacement measurement baffle plate 1 and displacement measurement baffle plate 2 14 are arranged on series connection integral type flexible hinge matrix respectively by trip bolt and hole 8 108, capacitive displacement transducer 1 and capacitive displacement transducer 2 11 respectively correspondence are arranged on displacement transducer holder 1 and displacement transducer holder 28, on the hole 4 104 that displacement transducer holder 1 and displacement transducer holder 28 are arranged on series connection integral type flexible hinge matrix respectively by trip bolt and hole 2 102, diamond cutter 2 is arranged on the hole 7 107 of series connection integral type flexible hinge matrix 1 front end by trip bolt.
On series connection integral type flexible hinge matrix 1 of the present utility model, two orthogonal flexible hinges all adopt rectangular hinge, and become parallelogram to arrange between four subbranches comprised in single hinge, form single-degree-of-freedom closed system, capacitive displacement transducer 5,11 carry out the driving of closed-loop control piezoelectric stack by the displacement of detecting position shift measurement baffle plate 3 and displacement measurement baffle plate 14.
Series connection integral type flexible hinge matrix 1 of the present utility model adopts the machine-shaping of Linear cut integral type.
Series connection integral type flexible hinge matrix 1 passing hole 1 of the present utility model, be connected with force snesor 12 with screw 10, force snesor 12 is fixed on vertical machine guide rail by trip bolt.
Force snesor 12 of the present utility model is mainly used in each component gathering main cutting force in working angles, and then FEEDBACK CONTROL adjusts each cutting parameter, realizes the further optimization of cutting force.
Working method of the present utility model is as follows:
1. the two piezoelectricity vertical ellipse vibration turning device trip bolts being suitable for vertical Excircle machining related to by the utility model are arranged on the guide rail of numerically controlled lathe, drive to piezoelectric stack and apply drive control signal respectively, by the parameter (amplitude of adjustment piezoelectric stack drive singal, frequency and phase angle), obtain diamond point of a knife elliptic ideal track, thus generate the principal cutting movement of elliptical vibration cutting.
2, by needing the clamping workpiece of processing on the main shaft of lathe, realizing workpiece rotary feed campaign by the revolution of main shaft and the motion of guide rail, being gathered the transient state corner of main shaft by revolution grating.
3. by a ultraprecise capacitive displacement transducer, detect the displacement that two piezoelectricity vertical ellipse vibration turning device top offsets measure baffle plate, namely obtaining the actual displacement of piezoelectric stack, by the data feedback that collects in high performance controller, revising actual output displacement by compensating.
4. by a three-dimensional force transducer, Real-time Collection is carried out to the power of two each components of piezoelectricity vertical ellipse vibration turning device, by the data feedback that collects in high performance controller, optimize cutting force further by adjustment cutting parameter.
5. by a high performance controller, to realize detecting the transient Displacements of angle of eccentricity detection, 2 piezoelectric stacks, the tracing control of the detection of each component values of cutting force and elliptical trajectory.
Claims (4)
1. one kind is suitable for two piezoelectricity vertical ellipse vibration cutting devices of vertical Excircle machining, it is characterized in that: piezoelectric stack pre-loading screw two carries out pretension through three pairs, the hole piezoelectric stack two on series connection integral type flexible hinge matrix, piezoelectric stack pre-loading screw one carries out pretension through five pairs, the hole piezoelectric stack one on series connection integral type flexible hinge matrix, on the hole six that displacement measurement baffle plate one and displacement measurement baffle plate two are arranged on series connection integral type flexible hinge matrix respectively by trip bolt and hole eight, capacitive displacement transducer one and capacitive displacement transducer two respectively correspondence are arranged on displacement transducer holder one and displacement transducer holder two, on the Kong Si that displacement transducer holder one and displacement transducer holder two are arranged on series connection integral type flexible hinge matrix respectively by trip bolt and hole two, diamond cutter is arranged on the hole seven of series connection integral type flexible hinge matrix front end by trip bolt.
2. a kind of two piezoelectricity vertical ellipse vibration cutting devices being suitable for vertical Excircle machining according to claim 1, it is characterized in that: on described series connection integral type flexible hinge matrix, two orthogonal flexible hinges all adopt rectangular hinge, and become parallelogram to arrange between four subbranches comprised in single hinge, form single-degree-of-freedom closed system.
3. a kind of two piezoelectricity vertical ellipse vibration cutting devices being suitable for vertical Excircle machining according to claim 1, is characterized in that: described series connection integral type flexible hinge matrix adopts the machine-shaping of Linear cut integral type.
4. a kind of two piezoelectricity vertical ellipse vibration cutting devices being suitable for vertical Excircle machining according to claim 1, is characterized in that: described series connection integral type flexible hinge matrix passing hole one, be connected with force snesor with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770787.XU CN204997090U (en) | 2015-10-03 | 2015-10-03 | Be suitable for perpendicular elliptical vibration cutting device of two piezoelectricity of vertical excircle processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770787.XU CN204997090U (en) | 2015-10-03 | 2015-10-03 | Be suitable for perpendicular elliptical vibration cutting device of two piezoelectricity of vertical excircle processing |
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| Publication Number | Publication Date |
|---|---|
| CN204997090U true CN204997090U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770787.XU Withdrawn - After Issue CN204997090U (en) | 2015-10-03 | 2015-10-03 | Be suitable for perpendicular elliptical vibration cutting device of two piezoelectricity of vertical excircle processing |
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| CN (1) | CN204997090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149626A (en) * | 2015-10-03 | 2015-12-16 | 长春工业大学 | Bi-piezoelectric vertical elliptical vibration cutting device suitable for vertical type excircle machining |
| CN117066917A (en) * | 2023-10-18 | 2023-11-17 | 山东理工大学 | Combined dual-mode multi-frequency vibration auxiliary processing device |
-
2015
- 2015-10-03 CN CN201520770787.XU patent/CN204997090U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149626A (en) * | 2015-10-03 | 2015-12-16 | 长春工业大学 | Bi-piezoelectric vertical elliptical vibration cutting device suitable for vertical type excircle machining |
| CN105149626B (en) * | 2015-10-03 | 2017-04-05 | 长春工业大学 | A kind of two piezoelectricity vertical ellipse vibration cutting devices for being suitable to vertical Excircle machining |
| CN117066917A (en) * | 2023-10-18 | 2023-11-17 | 山东理工大学 | Combined dual-mode multi-frequency vibration auxiliary processing device |
| CN117066917B (en) * | 2023-10-18 | 2023-12-19 | 山东理工大学 | Combined dual-mode multi-frequency vibration auxiliary processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160127 Effective date of abandoning: 20170405 |