CN105897038B - The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving - Google Patents

The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving Download PDF

Info

Publication number
CN105897038B
CN105897038B CN201610396846.0A CN201610396846A CN105897038B CN 105897038 B CN105897038 B CN 105897038B CN 201610396846 A CN201610396846 A CN 201610396846A CN 105897038 B CN105897038 B CN 105897038B
Authority
CN
China
Prior art keywords
rear end
ultrasonic
piezoelectric ceramic
ceramic piece
complex
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.)
Active
Application number
CN201610396846.0A
Other languages
Chinese (zh)
Other versions
CN105897038A (en
Inventor
单小彪
杨远才
刘申
谢涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Institute of Technology
Original Assignee
Harbin Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201610396846.0A priority Critical patent/CN105897038B/en
Publication of CN105897038A publication Critical patent/CN105897038A/en
Application granted granted Critical
Publication of CN105897038B publication Critical patent/CN105897038B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320098Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with transverse or torsional motion

Abstract

The present invention proposes the ultrasonic drawing oscillator that orthogonal complex vibration is realized in a kind of single driving, belong to Wire Drawing with Ultrasonic Vibration oscillator technical field, solve existing orthogonal complex vibration ultrasonic oscillator power consumption is big, output displacement is small, piezoceramic material using it is insufficient the problems such as.The ultrasonic drawing oscillator includes rear end box nut, piezoelectric ceramic piece, complex horn;Rear end box nut is connected with complex horn;Complex horn includes rear end small bore cylinder, tapered rod, torsional oscillation focusing ring, cylindrical bar, harness cord hole and wire drawing die mounting hole;Piezoelectric ceramic piece is sleeved on the small bore cylinder of rear end;Rear end small bore cylinder, tapered rod are connected with cylindrical bar successively drop-over;Cylindrical bar is equipped with skewed slot;Torsion focusing ring is located at rear end thereof.Single driving proposed by the present invention realizes that the ultrasonic drawing oscillator of orthogonal complex vibration has the features such as simple in structure, to reduce power consumption, improve the output displacement of ultrasonic vibrator.

Description

The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving
Technical field
The present invention relates to the ultrasonic drawing oscillators that orthogonal complex vibration is realized in a kind of single driving, belong to Wire Drawing with Ultrasonic Vibration Oscillator technical field.
Background technology
Piezoelectric ultrasonic vibration wire drawing is exactly that the processing technology of ultrasonic activation energy is superimposed in conventional drawing process, passes through pressure The alternate electrical signal generated by ultrasonic drive is converted into ultrasonic activation energy by electric piece, using the amplification of ultrasonic transformer Match somebody with somebody, ultrasonic activation can be transferred on wire drawing die, so as to encourage the vibration of wire drawing die, then machined material is in this way Swing die carries out drawing processing, and then acquisition ultrasonic activation can be to the effect of metal material Plastic Forming.
Wire Drawing with Ultrasonic Vibration of the prior art is mostly extensional vibration, and vibration mode is single.Research shows that composite ultraphonic shakes It is dynamic to be more advantageous to reducing pulling capacity, improve silk material surface quality.The compound of wire drawing die orthogonal vibration is surpassed using two longitudinal vibrations at present Sound and vibration is orthogonally located to obtain the orthogonal vibration of wire drawing both direction.Such as document:Qi Haiqun, Dan little Biao, Xie Tao are orthogonal compound Wire Drawing with Ultrasonic Vibration [J] University of Science & Technology, Beijing journal, 2010,01:The orthogonal oscillator proposed in 89-95..Although its structure energy Realize the orthogonal compound motion of wire drawing die, but since energy converter and ultrasonic transformer are located at the both sides of ultrasonic vibrator mounting surface, part is super Sound vibration energy transfers backward;Two ultrasonic longitudinal ultrasonic oscillators are mechanically connected in output terminal simultaneously, are formed between oscillator additional negative It carries, therefore, it is difficult to realize that the ULTRASONIC COMPLEX of large magnitude moves.Existing orthogonal oscillator there are practical application it is poor, energy consumption it is big, defeated Go out displacement is small, be not easy to heat dissipation the shortcomings of.
The content of the invention
To solve above-mentioned technical problem in the prior art, it is orthogonal compound that the present invention proposes a kind of single driving realization The ultrasonic drawing oscillator of vibration, the technical solution taken are as follows:
The ultrasonic drawing oscillator includes rear end box nut 1, piezoelectric ceramic piece 2, complex horn 3;The rear end cap 1 rear end face of nut is ultrasonic vibrator mounting surface 11;The rear end box nut 1 is connected with complex horn 3;The complex horn 3 include rear end small bore cylinder 31, tapered rod 32, torsional oscillation focusing ring 33, cylindrical bar 34, harness cord hole 35 and wire drawing die mounting hole 36;The piezoelectric ceramic piece 2 is sleeved on rear end small bore cylinder 31;The rear end small bore cylinder 31, tapered rod 32 and cylinder Drop-over is connected bar 34 successively;The cylindrical bar 34 is equipped with skewed slot 341;The torsion focusing ring 33 is arranged on cylindrical bar 34, And positioned at 341 rear end of skewed slot.
Preferably, it is inserted with electrode slice between the piezoelectric ceramic piece 2;Between the piezoelectric ceramic piece 2 and rear end box nut 1 It is inserted with electrode slice;Electrode slice is inserted between the piezoelectric ceramic piece 2 and the rear end face of tapered rod 32.
Preferably, 2 through-thickness of the piezoelectric ceramic piece polarization;Per adjacent two panels pressure in the piezoelectric ceramic piece 2 The polarization polarity of electroceramics piece 2 is opposite.
Preferably, the quantity of the piezoelectric ceramic piece 2 is four.
Preferably, the complex horn 3 is integrated bar or sub-unit assembling bar.
Preferably, the rear end small bore cylinder 31 is equipped with thread segment;The screw thread segment length and the thickness of rear end box nut 1 Degree corresponds to.
Preferably, the cylindrical surface of the cylindrical bar 34 is equipped with skewed slot 341, and is distributed along cylindrical surface uniform circular.
Preferably, the complex horn 3 is equipped with harness cord hole 35;Axis of the harness cord hole 35 along complex horn 3 Direction level runs through;The harness cord axially bored line and complex horn axis are misaligned.
Preferably, the complex horn 3 is equipped with wire drawing die mounting hole 36;The wire drawing die mounting hole is located at cylindrical bar 34 front ends, wire drawing die installation axially bored line are overlapped with 35 axis of harness cord hole on complex horn 3.
Preferably, the piezoelectric ceramic piece 2 and complex horn 3 are located at 11 homonymy of ultrasonic wave mounting surface.
Single driving of the present invention realizes that the piezoelectric ceramic piece 2 in the ultrasonic drawing oscillator of orthogonal complex vibration uses amplitude Equal, frequency encourages for the ac voltage signal of oscillator own resonance frequency, passes through the inverse of the polarized piezoelectric ceramics of thickness direction Piezoelectric effect generates the mechanical oscillation of high frequency, is propagated by the amplification of complex horn 3, larger in the back-end realization of skewed slot 341 The length travel of the sinusoidal variations of amplitude.During skewed slot 341 is transmitted through, length travel is broken down into longitudinal and tangential longitudinal wave Two kinds of compound displacements.Length travel will drive wire drawing die to do the extensional vibration parallel to 3 axis of complex horn;And due to wire drawing There is bias in mould mounting hole 35, therefore tangential displacement will drive wire drawing die to do perpendicular to 3 axis of complex horn with complex horn 3 The oscillation crosswise of line is (since tangential displacement is no more than the 2% of eccentricity, it is believed that be perpendicular to the horizontal stroke of 3 axis of complex horn To displacement);It is vibrated so as to fulfill the orthogonal composite ultraphonic of die core of wire-drawing die.
Advantageous effect of the present invention:
Single driving of the present invention realizes the ultrasonic drawing oscillator of orthogonal complex vibration compared with conventional orthogonal composite ultraphonic Oscillator have it is simple in structure, there is no the additional load between oscillator, output displacement improves 1 times or more under identical voltage;Due to Using single type of drive, under identical control source, energy saving 50%;Under identical displacement output, energy saving 70%;Needed for simultaneously Piezoelectric ceramics sheet material and the ancillary equipments such as ultrasonic drive reduce half.The ultrasonic drawing oscillator also has simultaneously Be easy to heat dissipation, mechanical-electric coupling it is efficient, can producing in serial form the advantages of.
Description of the drawings
Fig. 1 is the sectional view for the ultrasonic drawing oscillator that orthogonal complex vibration is realized in single driving of the present invention;
Fig. 2 be the ultrasonic drawing oscillator that orthogonal complex vibration is realized in single driving of the present invention geometric representation and Piezoelectric ceramic piece polarization mode schematic diagram;
Fig. 3 is the orthogonal complex vibration for the ultrasonic drawing oscillator that orthogonal complex vibration is realized in single driving of the present invention Mode Shape schematic diagram (main view direction).
Fig. 4 is the orthogonal complex vibration for the ultrasonic drawing oscillator that orthogonal complex vibration is realized in single driving of the present invention Mode Shape schematic diagram (right apparent direction).
Fig. 5 is the orthogonal complex vibration for the ultrasonic drawing oscillator that orthogonal complex vibration is realized in single driving of the present invention The right apparent direction partial enlarged view of Mode Shape.
Fig. 6 is wire drawing die orthogonal vibration schematic diagram.
Fig. 7 is the ultrasonic drawing oscillator sectional view that complex horn assembles bar state for part.
(1, rear end box nut;11st, mounting surface;2nd, piezoelectric ceramic piece;3rd, complex horn;31st, rear end small bore cylinder; 32nd, tapered rod;33rd, torsional oscillation focusing ring;34th, cylindrical bar;341st, skewed slot;35th, harness cord hole;36 wire drawing die mounting holes)
Specific embodiment
With reference to specific embodiment, the present invention will be further described, but the present invention should not be limited by the examples.
The orthogonal composite ultraphonic ripple wire drawing oscillator includes rear end box nut 1, multiple piezoelectric ceramic pieces 2 and complex horn 3; The rear end face of rear end box nut 1 is the mounting surface 11 of ultrasonic drawing oscillator;In present embodiment, mounting surface 11, rear end Box nut 1, multiple piezoelectric ceramic pieces 2 form ultrasonic transducer, and ultrasonic transducer passes through rear end box nut 1 and complex horn 3 It is connected, forms quarter-wave ultrasonic vibrator.Wherein, mounting surface 11 is used for oscillator being fixed on operating position, rear end cap Nut 1 pre-tightens piezoelectric ceramics, and piezoelectric ceramic piece 2 is made, always in compressive state, to prevent piezoelectricity from making pottery in vibration processes The rupture of tile 2.Complex horn 3 includes rear end small bore cylinder 31, tapered rod 32, torsional oscillation focusing ring 33 and cylindrical bar 34; Multiple piezoelectric ceramic pieces 2 are sleeved on rear end small bore cylinder 31;34 drop-over of rear end small bore cylinder 31, tapered rod 32 and cylindrical bar It is connected, cylindrical bar 34 is equipped with the skewed slot 341 being distributed along cylindrical surface uniform circular, and torsional oscillation focusing ring is located at 341 rear end of skewed slot;Tiltedly 341 direction of slot and the angle of luffing rod axis can change, and number, length, width and the depth of skewed slot 341 can also be according to feelings Condition is made adjustment, to obtain larger oscillation crosswise.Wherein, tapered rod 32 is used to put the length travel that piezoelectric ceramics generates Greatly, torsional oscillation focusing ring is used to focus on maximum complex vibration at wire drawing die mounting hole 36.Electrode is inserted between piezoelectric ceramic piece 2 Piece;Electrode slice is inserted between piezoelectric ceramic piece 2 and rear end box nut 1;Piezoelectric ceramic piece 2 interleaves with the rear end face of tapered rod 32 There is electrode slice.Every 2 through-thickness of piezoelectric ceramic piece polarization;And the polarization polarity per adjacent two panels piezoelectric ceramic piece 2 On the contrary.Wherein, the shape of piezoelectric ceramic piece 2, size, material and quantity can be adjusted according to actual demand.
Meanwhile include the complex horn of rear end small bore cylinder 31, tapered rod 32, torsional oscillation focusing ring 33 and cylindrical bar 34 3 can be processed as one bar or sub-unit assembling bar, the size of overall dimensions and each sub-unit can be carried out according to actual conditions Adjustment.And on rear end small bore cylinder 31 be equipped with thread segment, screw thread segment length with thickness it is correspondings, so as to rear end small bore circle Column 31 is connected with rear end box nut 1.
In addition, complex horn 3 is equipped with harness cord hole 35;Harness cord hole 35 is complete along the axial direction level of complex horn 3 Run through entirely, and be connected with the wire drawing die mounting hole 36 positioned at 34 front end of cylindrical bar, and in the rear end face of rear end small bore cylinder 31 Front end face with cylindrical bar 34 is to form visible hole.The shape of wire drawing die mounting hole, depth and position can be according to actual conditions tune It is whole.Harness cord hole and wire drawing die installation axially bored line overlap, and wire drawing die installation axially bored line and 3 axis of complex horn are misaligned.
Embodiment 1:
Fig. 1 is the sectional view for the ultrasonic drawing oscillator that orthogonal complex vibration is realized in single driving of the present invention;Fig. 2 is The geometric representation of ultrasonic drawing oscillator of orthogonal complex vibration and piezoelectric ceramic piece pole are realized in single driving of the present invention Change schematic diagram;Fig. 3 is the orthogonal multiple of the ultrasonic drawing oscillator that orthogonal complex vibration is realized in single driving of the present invention Close mode of oscillation.With reference to Fig. 1 to Fig. 3, the present invention is described in detail, which includes rear end 1, four piezoelectric ceramic piece 2 of box nut and complex horn 3;The rear end face of rear end box nut 1 is ultrasonic wire drawing die mounting surface 11; In the present embodiment, 1, four mounting surface 11, rear end box nut piezoelectric ceramic piece 2 form ultrasonic transducer, and ultrasonic transducer passes through Rear end box nut 1 is connected with complex horn 3, forms quarter-wave ultrasonic vibrator.Wherein, mounting surface 11 consolidates oscillator It is scheduled on operating position.Complex horn 3 include rear end small bore cylinder 31, tapered rod 32, torsional oscillation focusing ring 33, cylindrical bar 34, Harness cord hole 35 and wire drawing die mounting hole 36;Four piezoelectric ceramic pieces 2 are sleeved on rear end small bore cylinder 31 side by side successively;Rear end Small bore cylinder 31, tapered rod 32 are connected with cylindrical bar 34 successively drop-over, and cylindrical bar 34 is equipped with along cylindrical surface uniform circular point Six dimensions of cloth are identical skewed slot 341, and torsional oscillation focusing ring 33 is located at rear end thereof.Electrode is inserted between piezoelectric ceramic piece 2 Piece;Electrode slice is inserted between piezoelectric ceramic piece 2 and rear end box nut 1;Piezoelectric ceramic piece 2 interleaves with the rear end face of tapered rod 32 There is electrode slice.Every 2 through-thickness of piezoelectric ceramic piece polarization;And the polarization polarity per adjacent two panels piezoelectric ceramic piece 2 On the contrary.Wherein, four piezoelectric ceramic pieces 2 are wafer architecture.
Meanwhile include the complex horn of rear end small bore cylinder 31, tapered rod 32, torsional oscillation focusing ring 33 and cylindrical bar 34 3 are integrated bar.And on rear end small bore cylinder 31 be equipped with thread segment, screw thread segment length with thickness it is corresponding, so that rear end is small Section cylinder 31 is connected with rear end box nut 1.
In addition, complex horn 3 is equipped with harness cord hole 35;Harness cord hole 35 is complete along the axial direction level of complex horn 3 Run through entirely, and be connected with the wire drawing die mounting hole 36 positioned at 34 front end of cylindrical bar, and in the rear end face of rear end small bore cylinder 31 Front end face with cylindrical bar 34 is to form visible hole.The shape of wire drawing die mounting hole, depth and position can be according to actual conditions tune It is whole.Harness cord hole and wire drawing die installation axially bored line overlap, and wire drawing die installation axially bored line and 3 axis of complex horn are misaligned.
Embodiment 2
Embodiment 2 and embodiment 1 the difference is that, complex horn 3 assembles bar for sub-unit, wherein, tapered rod 32 are equipped with screw thread, are connected through a screw thread with cylindrical bar 34, and concrete structure is as shown in fig. 7, other form each component and connection side Formula is same as Example 1.
Although the present invention is disclosed as above with preferred embodiment, it is not limited to the present invention, any to be familiar with this The people of technology without departing from the spirit and scope of the present invention, can do various changes and modification, therefore the protection of the present invention Scope should be subject to what claims were defined.

Claims (10)

1. the ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving, which is characterized in that the ultrasonic drawing shakes Attached bag includes rear end box nut (1), piezoelectric ceramic piece (2), complex horn (3);Rear end box nut (1) rear end face is ultrasound Oscillator mounting surface (11);The rear end box nut (1) is connected with complex horn (3);The complex horn (3) includes rear end Small bore cylinder (31), tapered rod (32), torsional oscillation focusing ring (33), cylindrical bar (34), harness cord hole (35) and wire drawing die mounting hole (36);The piezoelectric ceramic piece (2) is sleeved on rear end small bore cylinder (31);The rear end small bore cylinder (31), tapered rod (32) it is connected with cylindrical bar (34) successively drop-over;The cylindrical bar (34) is equipped with skewed slot (341);The torsional oscillation focusing ring (33) The outer surface of the cylindrical bar (34) is arranged at, and positioned at skewed slot (341) rear end;The axially bored line of the wire drawing die mounting hole (36) It is misaligned with complex horn (3) axis;The skewed slot (341) will indulge caused by the piezoelectric ceramic piece (2) mechanical oscillation To resolution of displacement into length travel and tangential displacement;Wire drawing die in the length travel driving wire drawing die mounting hole (36) does flat Row is in the extensional vibration of complex horn (3) axis;
The tangential displacement drives the wire drawing die to do the oscillation crosswise perpendicular to complex horn (3) axis, and then realizes institute State the orthogonal composite ultraphonic vibration of ultrasonic wire drawing oscillator.
2. ultrasonic drawing oscillator according to claim 1, which is characterized in that be inserted with electricity between the piezoelectric ceramic piece (2) Pole piece;
Electrode slice is inserted between the piezoelectric ceramic piece (2) and rear end box nut (1);The piezoelectric ceramic piece (2) and tapered rod (32) electrode slice is inserted between rear end face.
3. ultrasonic drawing oscillator according to claim 2, which is characterized in that piezoelectric ceramic piece (2) through-thickness Polarization;
Polarization polarity in the piezoelectric ceramic piece (2) per adjacent two panels piezoelectric ceramic piece (2) is opposite.
4. ultrasonic drawing oscillator according to claim 3, which is characterized in that the quantity of the piezoelectric ceramic piece (2) is four Piece.
5. ultrasonic drawing oscillator according to claim 1, which is characterized in that the complex horn (3) be integrated bar or Sub-unit assembles bar.
6. ultrasonic drawing oscillator according to claim 1, which is characterized in that the rear end small bore cylinder (31) is equipped with Thread segment;The screw thread segment length is corresponding with the thickness of rear end box nut (1).
7. ultrasonic drawing oscillator according to claim 1, which is characterized in that the cylindrical surface of the cylindrical bar (34) is equipped with Skewed slot (341), and be distributed along cylindrical surface uniform circular.
8. ultrasonic drawing oscillator according to claim 1, which is characterized in that the complex horn (3) is equipped with harness cord Hole (35);
The harness cord hole (35) is run through along the axis direction level of complex horn (3);The harness cord axially bored line and compound luffing Rod axis are misaligned.
9. ultrasonic drawing oscillator according to claim 1, which is characterized in that the complex horn (3) is equipped with wire drawing Mould mounting hole (36);The wire drawing die mounting hole is located at cylindrical bar (34) front end, wire drawing die installation axially bored line and complex horn (3) harness cord hole (35) axis on overlaps.
10. ultrasonic drawing oscillator according to claim 1, which is characterized in that the piezoelectric ceramic piece (2) and compound luffing Bar (3) is located at ultrasonic wave mounting surface (11) homonymy.
CN201610396846.0A 2016-06-06 2016-06-06 The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving Active CN105897038B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610396846.0A CN105897038B (en) 2016-06-06 2016-06-06 The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610396846.0A CN105897038B (en) 2016-06-06 2016-06-06 The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving

Publications (2)

Publication Number Publication Date
CN105897038A CN105897038A (en) 2016-08-24
CN105897038B true CN105897038B (en) 2018-06-01

Family

ID=56710530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610396846.0A Active CN105897038B (en) 2016-06-06 2016-06-06 The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving

Country Status (1)

Country Link
CN (1) CN105897038B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106452162B (en) * 2016-11-25 2018-07-17 哈尔滨工业大学 A kind of orthogonal composite ultraphonic wave wire drawing oscillator of the clamped beam type of patch type
CN108760026B (en) * 2018-05-31 2023-05-26 河南理工大学 Ultrasonic longitudinal vibration and torsional vibration measuring method and device based on capacitor principle
CN114453228A (en) * 2021-12-30 2022-05-10 广东工业大学 Ultrasonic transmission component

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004050796A (en) * 2002-07-24 2004-02-19 Nec Tokin Corp Ultrasonic engraving pen
CN101656490A (en) * 2009-09-08 2010-02-24 华南农业大学 Longitudinal bending compound modal linear ultrasonic motor
CN102355157B (en) * 2011-10-10 2014-02-12 哈尔滨工业大学 Piezoelectric plate-sandwiched rotary linear ultrasonic motor stator
CN104601036B (en) * 2015-01-30 2017-01-11 河南理工大学 Dumbbell type large-power longitudinal-torsional combined ultrasonic vibration device

Also Published As

Publication number Publication date
CN105897038A (en) 2016-08-24

Similar Documents

Publication Publication Date Title
CN105897038B (en) The ultrasonic drawing oscillator of orthogonal complex vibration is realized in a kind of single driving
CN106230307B (en) Unsymmetric structure formula indulges the ultrasonic drawing oscillator of curved complex vibration
WO2018145340A1 (en) Shear vibration-based piezoelectric composite material and preparation method therefor
CN105960291B (en) Power converter cells
CN102527628B (en) High-power dumbbell rod type tubular longitudinal-radial compound vibration ultrasonic irradiator
Yang et al. A new piezoelectric ceramic longitudinal–torsional composite ultrasonic vibrator for wire drawing
CN101227157B (en) Piezoelectricity thread driver adopting Langevin-type transducer structure
CN1864869A (en) Piezoelectric vibrator and ultrasonic motor employing same
CN103203312A (en) Giant magnetostictive longitudinal-torsional coupled vibration ultrasonic transducer
CN107509149A (en) A kind of small size large amplitude helical spring low-frequency transducer
CN108429486A (en) Combined flat surface 3-freedom ultrasonic motor oscillator and its driving method
CN112170150A (en) Ultrasonic vibrator for drawing titanium and titanium alloy wires
CN205356186U (en) Floor excitation formula displacement type longitrorse compound ultrasonic motor
KR101350259B1 (en) Bolt clamped langevin type piezoelectric vibration apparatus
CN107028643A (en) A kind of ultrasonic transduction device
CN112383242B (en) Linear ultrasonic motor stator with empennage and thin plate frame structure and excitation method thereof
CN109530197A (en) The ultrasonic vibration method and ultrasonic vibration system of acoustic impedance positive match
Lin Study on a new type of radial composite piezoelectric ultrasonic transducers in radial vibration
CN213855538U (en) Dual-mode ultrasonic vibrator for drawing metal wire
CN105305874A (en) Rib plate-excited displacement type longitudinal-torsional composite ultrasonic motor
CN106452162B (en) A kind of orthogonal composite ultraphonic wave wire drawing oscillator of the clamped beam type of patch type
CN107508498B (en) A kind of piezo vibration module
CN101758426A (en) Small-bore polishing machine based on ultrasonic vibration
CN105305876B (en) A kind of floor stress type longitudinal-torsional composite ultrasonic motor
CN204953282U (en) Ultrasonic transducer and medical supersound handpiece

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant