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 PDFInfo
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320098—Surgical 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
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.
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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 |
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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 |
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