CN216672877U - Piezoelectric ultrasonic vibrator based on bending vibration mode - Google Patents
Piezoelectric ultrasonic vibrator based on bending vibration mode Download PDFInfo
- Publication number
- CN216672877U CN216672877U CN202220059383.XU CN202220059383U CN216672877U CN 216672877 U CN216672877 U CN 216672877U CN 202220059383 U CN202220059383 U CN 202220059383U CN 216672877 U CN216672877 U CN 216672877U
- Authority
- CN
- China
- Prior art keywords
- stud
- amplitude transformer
- bending vibration
- ultrasonic vibrator
- piezoelectric
- 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
Links
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The embodiment of the present application relates to a piezoelectric ultrasonic vibrator based on a bending vibration mode, which includes: the device comprises an amplitude transformer, a piezoelectric ceramic piece, a stud and a transducer rear end cover. The stud penetrates through the piezoelectric ceramic piece, and the front end and the rear end of the stud are respectively connected with the amplitude transformer and the rear end cover of the transducer. The invention has simple and compact structure and small ultrasonic vibration energy loss, and effectively converts the ultrasonic frequency electric oscillation signal input by the ultrasonic power supply into a mechanical vibration signal with the same frequency and amplifies and converts the amplitude into high-frequency bending vibration.
Description
Technical Field
The application relates to the technical field of ultrasonic processing, in particular to a piezoelectric ultrasonic vibrator in the field of ultrasonic auxiliary powder material forming.
Background
According to the physical effect of ultrasonic waves and the isostatic pressing technical forming principle, the formed product can be densified through the high-frequency micro-creeping effect of the ultrasonic waves on the formed object, the formed product with better physical properties is obtained, and the method has strong market competitiveness in the aspect of high-precision products.
Under the condition of isostatic pressure, the bending vibration of the piezoelectric ultrasonic vibrator is utilized to transmit ultrasonic waves into liquid, the ultrasonic waves are utilized to enable the powder material to be coated to generate a high-frequency creeping phenomenon, the creeping phenomenon can increase the fluidity of the material inside the coating, and the compactness of the loaded test piece is improved.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a piezoelectric ultrasonic vibrator based on a bending vibration mode, aiming at enabling the ultrasonic vibrator to effectively generate bending vibration and transmit ultrasonic waves to liquid, and improving the compactness of a powder material isostatic compaction test piece.
The embodiment of the present application provides a piezoelectric ultrasonic vibrator based on bending vibration mode, includes:
the device comprises an amplitude transformer, a piezoelectric ceramic piece, a stud and a transducer rear end cover; the center of the piezoelectric ceramic piece is provided with a through hole corresponding to the stud, the stud penetrates through the piezoelectric ceramic piece, one end of the stud is connected with the amplitude transformer, and the other end of the stud is connected with the rear end cover of the transducer.
Optionally, the horn comprises a horn groove, a flange plate and a clamping part, the horn groove is arranged on the horn plane, and a plurality of horn grooves are arranged on two sides of the horn;
optionally, the flange plate is arranged in the middle of the amplitude transformer, and a plurality of through holes are uniformly distributed on the periphery of the flange plate and used for fixing the piezoelectric ultrasonic vibrator;
optionally, the clamping part hole is the screw hole, the clamping part bottom surface with piezoceramics piece contact, the clamping part with the double-screw bolt is connected.
Optionally, there are a plurality of piezoelectric ceramic pieces, a through hole corresponding to the stud is formed in the center of each piezoelectric ceramic piece, and the stud penetrates through the piezoelectric ceramic pieces and is arranged coaxially.
The piezoelectric ultrasonic vibrator based on the bending vibration mode is simple and compact in structure and small in ultrasonic vibration energy loss, ultrasonic frequency electric oscillation signals input by an ultrasonic power supply are effectively converted into mechanical vibration signals with the same frequency, the amplitude is amplified and converted into high-frequency bending vibration, and the ultrasonic wave generated by the high-frequency bending vibration can effectively improve the compactness of a powder material isostatic pressing forming test piece.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic diagram of an internal structure of a piezoelectric ultrasonic vibrator based on a bending vibration mode according to an embodiment of the present application;
fig. 2 is a schematic perspective view of a horn according to an embodiment of the present disclosure.
Description of reference numerals:
1-amplitude transformer, 2-piezoelectric ceramic piece, 3-stud, 4-transducer rear end cover, 11-amplitude transformer groove, 12-flange plate and 13-clamping part.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The isostatic pressing ultrasonic auxiliary powder material forming technology is successfully applied to forming of powder materials, the compactness of the materials is improved, and tiny gaps in the materials are eliminated.
In the related art, the traditional piezoelectric ultrasonic vibrator has small bending vibration amplitude, and the generated high-frequency vibration cannot meet related requirements.
In view of the above, the present application provides a piezoelectric ultrasonic vibrator based on a bending vibration mode, which aims to enhance the bending vibration amplitude of the ultrasonic vibrator.
Referring to fig. 1, an internal structural diagram of a piezoelectric ultrasonic transducer based on a bending vibration mode according to an embodiment of the present application is shown in fig. 1, where the piezoelectric ultrasonic transducer based on a bending vibration mode includes:
the device comprises an amplitude transformer 1, a piezoelectric ceramic piece 2, a stud 3 and an energy converter rear end cover 4; the center of the piezoelectric ceramic piece 2 is provided with a through hole corresponding to the stud 3, the stud 3 penetrates through the piezoelectric ceramic piece 2, one end of the stud 3 is connected with the amplitude transformer 1, and the other end of the stud 3 is connected with the rear end cover 4 of the transducer.
The specific working process is as follows: the positive and negative electrode leads of the piezoelectric ceramic piece 2 are connected with the positive and negative electrodes of an ultrasonic power supply, a piezoelectric ultrasonic vibrator is fixed on a working position through a flange 12, the piezoelectric ultrasonic vibrator converts an input ultrasonic frequency electric oscillation signal into a mechanical vibration signal with the same frequency, amplifies the amplitude of the mechanical vibration signal and converts the mechanical vibration signal into high-frequency bending vibration to transmit ultrasonic waves into liquid, and the compactness of a powder material isostatic compaction test piece is improved.
Based on the piezoelectric ultrasonic vibrator based on the bending vibration mode, the following specific examples can be provided, and on the premise of not conflicting with each other, the examples can be combined at will to form a new piezoelectric ultrasonic vibrator based on the bending vibration mode. It should be understood that a new piezoelectric ultrasonic vibrator based on bending vibration mode formed by any combination of the examples is within the protection scope of the present application.
Referring to fig. 2, a schematic perspective view of a horn according to an embodiment of the present application is shown, in a possible implementation manner, the horn 1 includes a horn groove 11, a flange 12 and a clamping portion 13, the horn 1 may be integrally formed, the horn groove 11 is disposed on a plane of the horn 1, and a plurality of horn grooves 11 are disposed on two sides of the horn;
the flange plate 12 is arranged in the middle of the amplitude transformer, and a plurality of through holes are uniformly distributed on the periphery of the flange plate 12 and used for fixing the piezoelectric ultrasonic vibrator;
the hole of clamping part 13 is the screw hole, clamping part 13 bottom surface with piezoceramics piece 2 contacts, clamping part 13 with double-screw bolt 3 is connected.
It should be understood that while the present specification has described preferred embodiments of the present application, additional variations and modifications of those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "include", "including" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or terminal device including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article, or terminal device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The piezoelectric ultrasonic vibrator based on the bending vibration mode provided by the application is described in detail above, and the principle and the implementation of the application are explained in the present application by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (3)
1. A piezoelectric ultrasonic vibrator based on a bending vibration mode, comprising:
the device comprises an amplitude transformer (1), a piezoelectric ceramic piece (2), a stud (3) and an energy converter rear end cover (4); the center of the piezoelectric ceramic piece (2) is provided with a through hole corresponding to the stud (3), the stud (3) penetrates through the piezoelectric ceramic piece (2), one end of the stud (3) is connected with the amplitude transformer (1), and the other end of the stud is connected with the energy converter rear end cover (4).
2. The piezoelectric ultrasonic vibrator based on a bending vibration mode according to claim 1,
the amplitude transformer (1) comprises amplitude transformer grooves (11), flange plates (12) and clamping parts (13), wherein the amplitude transformer grooves (11) are formed in the plane of the amplitude transformer (1), and a plurality of amplitude transformer grooves (11) are formed in the two sides of the amplitude transformer;
the flange plate (12) is arranged in the middle of the amplitude transformer, and a plurality of through holes are uniformly distributed on the periphery of the flange plate (12) and used for fixing the piezoelectric ultrasonic vibrator;
the hole of clamping part (13) is the screw hole, clamping part (13) bottom surface with piezoceramics piece (2) contact, clamping part (13) with double-screw bolt (3) are connected.
3. The piezoelectric ultrasonic vibrator based on bending vibration mode according to claim 1, wherein the piezoelectric ceramic plate (2) has a plurality of holes, the center of the piezoelectric ceramic plate (2) is a through hole corresponding to the stud (3), and the stud (3) penetrates through the piezoelectric ceramic plate (2) and is coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220059383.XU CN216672877U (en) | 2022-01-11 | 2022-01-11 | Piezoelectric ultrasonic vibrator based on bending vibration mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220059383.XU CN216672877U (en) | 2022-01-11 | 2022-01-11 | Piezoelectric ultrasonic vibrator based on bending vibration mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216672877U true CN216672877U (en) | 2022-06-03 |
Family
ID=81762254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220059383.XU Active CN216672877U (en) | 2022-01-11 | 2022-01-11 | Piezoelectric ultrasonic vibrator based on bending vibration mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216672877U (en) |
-
2022
- 2022-01-11 CN CN202220059383.XU patent/CN216672877U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201403197Y (en) | Capacitance-type microphone | |
| WO2006047042A3 (en) | Piezoelectric isolating transformer | |
| CN104219609B (en) | A kind of piezoelectricity vocal structure and mobile terminal | |
| CN108918014B (en) | Method and device for on-line monitoring and pre-tightening force application of sandwich type longitudinal vibration transducer assembly | |
| CN101364632A (en) | Piezoelectric element and manufacturing method thereof | |
| CN216672877U (en) | Piezoelectric ultrasonic vibrator based on bending vibration mode | |
| CN114362588A (en) | Piezoelectric ultrasonic vibrator based on bending vibration mode | |
| TW307051B (en) | ||
| CN101080109B (en) | Front pole capacitance microphone | |
| CN205341214U (en) | Two excitation piezoelectricity ultrasonic transducer | |
| CN212301429U (en) | Ultrasonic tensile test device | |
| CN112170150A (en) | Ultrasonic vibrator for drawing titanium and titanium alloy wires | |
| CN208911313U (en) | Ultrasonic transducer | |
| CN216941951U (en) | Powder material isostatic compaction ultrasonic loading device | |
| US6315933B1 (en) | Method of application of a transducer backing material | |
| CN108880503A (en) | A kind of sound surface wave thin coating cavity resonator | |
| CN114193816A (en) | Powder material isostatic compaction ultrasonic loading device | |
| JPS5597799A (en) | Electro-mechanical transducer | |
| CN105025422B (en) | vibration sounding structure and terminal | |
| CN211678636U (en) | 10KW high-power ultrasonic transducer | |
| CN109225788B (en) | High-efficiency broadband air-medium ultrasonic transducer with double-phonon crystal composite structure | |
| CN209419323U (en) | A kind of wireless power transfer device using ultrasonic wave | |
| CN203071837U (en) | Piezoelectric ceramic actuator | |
| CN212189928U (en) | Novel piezoelectric patch transducer | |
| CN215030801U (en) | Multi-mode composite circular tube ultrasonic transducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |