CN115008508A

CN115008508A - Ultrasonic cutting knife

Info

Publication number: CN115008508A
Application number: CN202210629974.0A
Authority: CN
Inventors: 沈志煌; 曹中和; 皮钧; 姜涛; 罗文宇; 梁哲铭; 侯达盘
Original assignee: Jimei University
Current assignee: Jimei University
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-06

Abstract

The invention provides an ultrasonic cutting knife, comprising: ceramic chip, plate electrode, aluminum plate, cutting board, power amplifier circuit and shell. The invention provides an ultrasonic cutting tool, wherein a power amplifying circuit generates high power and outputs the high power to a piezoelectric ceramic stack to enable the ceramic stack to generate vibration, and the mechanical coupling action between the ceramic stack and a cutting plate enables the cutting edge of the cutting plate to generate vibration, so that the ultrasonic vibration is applied to the cutting tool to enable the cutting tool to be more convenient and labor-saving when the cutting tool is used for cutting objects, and meanwhile, the ultrasonic cutting tool is enabled to output different voltages through an adjusting circuit to change the vibration amplitude of the cutting edge so as to cut the objects with different hardness.

Description

Ultrasonic cutting knife

Technical Field

The invention relates to cutting processing of objects with different hardness, in particular to simple and convenient processing, and belongs to the technical field of ultrasonic cutting processing.

Background

Most of processing to the great class object of hardness adopts cutting machine in the existing market, and the frozen meat class to the food aspect adopts frozen meat slicer to cut mostly, uses rarely to manual cutting knife in the life at home, generally all can adopt to unfreeze or cut off after other processings. The main problems are that hard objects are difficult to cut manually by people, and the hard objects need to be processed before being cut and separated, so that a lot of valuable time is wasted, and unnecessary waste and damage are caused if the hard objects are not processed properly. And therefore has attracted attention in this regard.

At present, ultrasonic cutting is a novel process technology which utilizes an ultrasonic generator to enable a blade at the front end of an ultrasonic transducer to vibrate at ultrasonic frequency, and transmits collision and impact energy to a cut medium through a cutter head, so that the cut medium material is fatigue-broken to achieve the cutting purpose. The application of ultrasonic technology to the cutting of the cutter will have a positive and effective effect on domestic cutting.

Disclosure of Invention

In view of the above problems, it is an object of the present invention to provide an ultrasonic cutting blade.

The invention achieves the above-mentioned purpose through the following technical scheme, an ultrasonic cutting knife, mainly include: a knife board, an electrode board, an aluminum board, a piezoelectric ceramic piece, a power amplifying circuit and a shell. The power amplifying circuit is arranged at the tail part of the inner part of the shell, and two sides of the power amplifying circuit are tightly leaned against the inner surface of the shell; the piezoelectric ceramic piece is arranged above the electrode plate, the other side of the electrode plate is arranged above the aluminum plate, the cutting plate is arranged on the other side of the aluminum plate, the transducer is formed by the assembly, only the front end face of the transducer is made into a tool bit, and objects can be cut more easily through tool bit vibration. The power amplifier is fixed on the inner surface of the shell and is connected with the piezoelectric ceramic piece and the cutting board through a conducting wire, wherein the positive electrode of the power amplifier is connected with the piezoelectric ceramic piece, the negative electrode of the power amplifier is connected with the electrode plate, and the zero line of the power amplifier is connected with the cutting board; the ceramic plates are arranged on the electrode plate in order; one surface of the electrode plate is arranged on the aluminum plate, and the other surface of the electrode plate is connected with the piezoelectric ceramic plate; one side of the aluminum plate is connected with the cutting plate, and the other side of the aluminum plate is connected with the electrode plate; the piezoelectric ceramic piece-the electrode plate-the aluminum plate-the cutting plate-the aluminum plate-the electrode plate-the piezoelectric ceramic piece are sequentially connected by an adhesive and are of a symmetrical structure with the cutting plate as a symmetrical reference; the power amplifier can output and excite the piezoelectric ceramic chip while charging, and can also charge and store electricity for standby; the transducer consisting of the piezoelectric ceramic piece, the electrode plate, the aluminum plate and the cutting plate starts to work when the power amplification circuit provides excitation; the number of the piezoelectric ceramic plates can be 1, 2, 3, 4, 5, 6 and the like.

Drawings

FIG. 1 is an assembly view of an embodiment of the present invention;

FIG. 2 is an exploded assembly view of an embodiment of the present invention;

FIG. 3 is an assembled exploded three-dimensional view of an embodiment of the present invention;

the reference numbers for the various major components of FIGS. 1-3 are given below; 1-upper shell, 2-knife plate, 3-aluminum plate, 4-electrode plate, 5-piezoelectric ceramic plate, 6-power amplifying circuit and 7-lower shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention. In the present invention, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being either fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The technical aspects of the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, the embodiment of the present invention is provided with a cutting board 2, an electrode board 3, an aluminum board 4, a piezoelectric ceramic piece 5, a power amplifier 6, an upper casing 1, and a lower casing 7; two sides of the cutting board 2 are respectively pasted with an aluminum plate 4 through a coupling agent, so that the vibration of the piezoelectric ceramic piece can be amplified and transmitted to the cutting board; the other side of the aluminum plate 4 on the front base is pasted with an upper electrode plate 3 through a coupling agent; the other side of the electrode plate 3 on the front base is pasted with a piezoelectric ceramic plate 5 through an adhesive, and 6 piezoelectric ceramic plates are symmetrically and uniformly arranged, so that the transducer with the tool bit can be formed. The assembled transducer is arranged in a shell consisting of an upper shell 1 and a lower shell 7 on the basis of front, the edge of a cutting board 2 is not contacted with the inner wall of the shell and the part of the cutting object in front of the cutting board extends out of the front outlet of the shell, and the cutting board 2 and the inner wall of the tail part in the shell leave enough space for installing a power amplifying circuit 6; on the basis of the front surface, a power amplifying circuit 6 is installed at the tail part of the interior of the shell, and the edge of the power amplifying circuit 6 is attached to the inner wall surface of the shell; the transducer begins to operate when the power amplification circuit outputs a stimulus.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An ultrasonic cutting tool consisting essentially of: the device comprises a shell, a power amplifying circuit, a cutting board, an aluminum plate, an electrode board and a piezoelectric ceramic piece; the piezoelectric ceramic plate is arranged on one surface of the electrode plate, the other surface of the piezoelectric ceramic plate is connected with the aluminum plate in a link mode, the piezoelectric ceramic plate, the electrode plate and the aluminum plate are pasted together through an adhesive, the piezoelectric ceramic plate and the ceramic plate are combined in series and in parallel through copper wires to form a ceramic stack, and when external voltage is input, the ceramic stack can vibrate in the radial direction or the axial direction; the power amplifying circuit is arranged at the tail of the device and is connected with the ceramic stack through a conducting wire, wherein a zero line is connected with the knife board, when the power amplifying circuit outputs larger power to the piezoelectric ceramic stack, the piezoelectric ceramic stack can generate radial or axial vibration, and a storage battery is arranged in the power amplifying circuit and is used for normally working when external voltage is not connected; the other symmetrical surface of the electrode plate connected with the aluminum plate is connected with the cutting plate through an adhesive, and when the aluminum plate vibrates, a mechanical coupling effect is generated between the aluminum plate and the cutting plate, so that the cutting plate also vibrates; the piezoelectric ceramic plate, the electrode plate, the aluminum plate and the cutting plate are formed into a working part, the mounting mode of the working part is a symmetrical structure, namely the aluminum plate, the electrode plate and the piezoelectric ceramic plate are sequentially connected to the other side of the cutting plate connected with the aluminum plate.

2. The ultrasonic cutting tool as set forth in claim 1, wherein the piezoelectric ceramic plates are connected in series by conductive wires.

3. The ultrasonic cutting tool of claim 1, wherein the piezoelectric ceramic plates are connected in series by a conductive wire and an intermediate cutting plate.

4. The ultrasonic cutting tool of claim 1 wherein the power amplifier circuit is disposed at the rear of the device.

5. The ultrasonic cutting tool of claim 1, wherein the power amplifier circuit is connected to the ceramic stack by a conductive wire, wherein a neutral wire is connected to the blade.

6. The ultrasonic cutting tool of claim 1, wherein the power amplifier circuit comprises a battery for the cutting blade to work normally even without an external voltage.

7. The ultrasonic cutting tool of claim 1, wherein the piezoelectric ceramic plate, the electrode plate, the aluminum plate and the cutting plate are sequentially connected by an adhesive.

8. The ultrasonic cutting tool of claim 1 wherein the components of the working portion of the device are symmetrically mounted about the blade as a symmetrical intermediate piece.

9. The ultrasonic cutting tool of claim 1, wherein the number of the required piezoelectric ceramic pieces is at least one.