CN114523578A - Single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device - Google Patents
Single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device Download PDFInfo
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- CN114523578A CN114523578A CN202210336903.1A CN202210336903A CN114523578A CN 114523578 A CN114523578 A CN 114523578A CN 202210336903 A CN202210336903 A CN 202210336903A CN 114523578 A CN114523578 A CN 114523578A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000007514 turning Methods 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/16—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by turning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device which comprises an ultrasonic power supply, an ultrasonic transducer, an ultrasonic amplitude transformer, a turning blade, a supporting clamp, a base, a rotating main shaft and a workpiece. The ultrasonic transducer is connected with an ultrasonic power supply through a wire and converts an ultrasonic electric signal generated by the ultrasonic power supply into ultrasonic vibration, the ultrasonic transducer transmits the ultrasonic vibration to an ultrasonic amplitude transformer, the ultrasonic amplitude transformer converts one-dimensional ultrasonic vibration into two-dimensional ultrasonic elliptical vibration, a node of the ultrasonic amplitude transformer is provided with a flange plate, the flange plate is fixed on a base through a supporting clamp, and the lower end of the base is fixed on a machine tool. The cutting machine has the advantages of simple structure, capability of obviously improving the processing efficiency of hard and brittle materials, further improvement on the cutting quality and reduction of cutting force and cutting temperature.
Description
Technical Field
The invention relates to the technical field of hard and brittle material processing, in particular to a single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device.
Background
With the development of manufacturing industry, the application field of hard and brittle materials is continuously expanded. Due to the high hardness and high brittleness of the hard and brittle materials, the processing of the hard and brittle materials becomes a difficult problem. In recent years, ultrasonic auxiliary processing technology is continuously developed, and a new solution is provided for processing hard and brittle materials. The ultrasonic auxiliary machining is a machining technology for applying high-frequency vibration to a cutter or a workpiece on the basis of common machining methods such as cutting, milling and grinding. The rotary parts occupy a large proportion in the manufacturing industry, the ultrasonic cutting is taken as an important processing method for processing the rotary parts, the existing ultrasonic cutting method can only realize unidirectional longitudinal vibration or simultaneously apply ultrasonic vibration in different directions, the processing of the rotary parts has limitation, a cutter is subjected to continuously changing tension and compression stress in the cutting process, edge breakage is easy to occur, and the processing quality of the parts cannot be greatly improved; the latter generally needs two sets of ultrasonic equipment, has a complex structure, has strict requirements on the phase difference of the two sets of equipment, has high requirements on installation precision and is complex to debug. The single-excitation two-dimensional cutting effectively reduces cutting force, improves machining precision, and is simple in structure and convenient to install and debug.
Disclosure of Invention
The invention aims to provide a single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device aiming at the defects of the prior art, which converts a high-frequency ultrasonic electric signal into longitudinal vibration and torsional vibration along the circumferential direction, wherein the composite motion track of the longitudinal vibration and the torsional vibration is a two-dimensional plane ellipse.
A single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device comprises an ultrasonic power supply, an ultrasonic transducer, an ultrasonic amplitude transformer, a turning blade, a rotating main shaft, a supporting clamp, a base and a workpiece, the ultrasonic transducer comprises a front end cover, a piezoelectric ceramic piece, an electrode plate and a rear end cover, the supporting clamp comprises an upper supporting seat, a lower supporting seat and a cover plate, the ultrasonic transducer is connected with an ultrasonic power supply by a lead, the ultrasonic power supply generates ultrasonic electric signals and transmits the ultrasonic electric signals to the ultrasonic transducer by the lead, the ultrasonic transducer converts ultrasonic electrical signals into ultrasonic vibration and transmits the ultrasonic vibration to the ultrasonic amplitude transformer, the ultrasonic amplitude transformer converts one-dimensional ultrasonic vibration into two-dimensional ultrasonic elliptical vibration, a flange plate is arranged at a node of the ultrasonic amplitude transformer, the flange plate is fixed on the base through a supporting clamp, and the lower end of the base is fixed on the workbench.
In a further technical scheme, the ultrasonic power supply generates an ultrasonic electric signal.
In a further technical scheme, the front end cover of the ultrasonic transducer is fixed with the ultrasonic amplitude transformer through a stud, the diameter of the front end cover of the ultrasonic transducer is consistent with that of the fixed end of the ultrasonic amplitude transformer, and the other end of the ultrasonic amplitude transformer is provided with a cutter head.
In a further technical scheme, the cutter head is provided with a diamond-shaped groove and a threaded hole for fixing the turning blade on the cutter head.
In a further technical scheme, the ultrasonic amplitude transformer is arranged in a step shape, and a rectangular spiral groove is formed in the cylindrical surface of the ultrasonic amplitude transformer.
In a further technical scheme, the rectangular spiral groove of the ultrasonic amplitude transformer converts the vibration mode, so that the transmitted longitudinal vibration is converted into longitudinal vibration and circumferential torsional vibration, and finally two-dimensional ultrasonic elliptical vibration is formed in a compounding mode.
In a further technical scheme, the flange plate is provided with a semicircular groove which is matched with the semicircular groove of the supporting clamp.
In a further technical scheme, the lower bottom surface of the supporting clamp is fixed on the base.
Compared with the prior art, the invention has the beneficial effects that:
1. the whole set of device only needs one set of ultrasonic generator and ultrasonic transducer, and has simple structure, convenient manufacture and low manufacture cost.
2. The device performs two-dimensional plane elliptic motion by compounding torsional vibration and longitudinal vibration of the amplitude transformer.
3. The cutter head and the amplitude transformer are integrally arranged, so that the loss of ultrasonic vibration in the transmission process is reduced, and the transmission efficiency of vibration is improved. The semi-circular arc transition surface is arranged, so that the rigidity of the cutter head is improved. The diamond-shaped groove and the threaded hole are arranged, so that the turning blade can be conveniently installed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of an ultrasonic transducer of the present invention;
FIG. 3 is a schematic view of the construction of an ultrasonic horn of the present invention;
FIG. 4 is an exploded view of the support clamp of the present invention;
the reference numerals in the schematic drawings illustrate:
1. an ultrasonic power supply; 2. an ultrasonic transducer; 3. an ultrasonic horn; 4. turning a blade; 5. a rotating main shaft 6 and a supporting clamp; 7. a base; 8. a workpiece; 9. a front end cover; 10. piezoelectric ceramic plates; 11. an electrode sheet; 12. a rear end cap; 13. an upper support plate; 14. a lower support plate; 15. and (7) a cover plate.
Detailed Description
The invention is further described in the following with reference to the accompanying drawings:
the invention provides a single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device which comprises an ultrasonic power supply (1), an ultrasonic transducer (2), an ultrasonic amplitude transformer (3), a turning blade (4), a rotating main shaft (5), a supporting clamp (6), a base (7) and a workpiece (8), wherein the ultrasonic transducer (2) comprises a front end cover (9), a piezoelectric ceramic piece (10), an electrode piece (11) and a rear end cover (12), the supporting clamp (6) comprises an upper supporting seat (13), a lower supporting seat (14) and a cover plate (15), the ultrasonic power supply (1) is connected with the ultrasonic transducer (2) through a lead, the ultrasonic transducer (2) is connected with the ultrasonic amplitude transformer (3) through a stud, the cutter head of the ultrasonic amplitude transformer (3) is provided with a diamond-shaped groove and a threaded hole which have the same shape as the turning blade (4), the lathe cutter (4) is connected with the ultrasonic amplitude transformer (3) through screws, the flange plate of the amplitude transformer (3) is clamped tightly by the supporting clamp (6), the lower end of the supporting clamp (6) is connected with the upper end of the base (7) through screws, and the lower end of the base (7) is connected with the workbench.
The ultrasonic transducer (2) is formed by sequentially arranging a front end cover (9), four groups of piezoelectric ceramic pieces (10) and a coaxial arrangement combination of electrode plates (11) and a rear end cover (12) through screws.
The upper supporting seat (13) of the supporting clamp (6) is arranged at the upper end of the lower supporting seat (14), rib plates are arranged on the upper supporting seat (13) and the lower supporting seat (14), the rib plates are connected through threads, a circular groove which is the same as the flange plate of the ultrasonic amplitude transformer (3) in shape is arranged on the right end face of the upper supporting seat (13) connected with the lower supporting seat (14), and a semicircular bulge is arranged in the circular groove.
The working principle of the invention is as follows:
the ultrasonic power supply (1) generates an ultrasonic electric signal, the ultrasonic electric signal is transmitted to the ultrasonic transducer (2) through a lead, the ultrasonic electric signal is converted into ultrasonic vibration by utilizing the piezoelectric effect of the piezoelectric ceramic piece (10), the ultrasonic vibration is transmitted to the ultrasonic amplitude transformer (3) by the ultrasonic transducer (2), the ultrasonic vibration is amplified by the ultrasonic amplitude transformer (3), the cylindrical surface of the ultrasonic amplitude transformer (3) is provided with a rectangular spiral groove, when the vibration is transmitted along the axial line of the ultrasonic amplitude transformer (3), the vibration mode of the part close to the axial line is unchanged, the ultrasonic vibration transmitted along the surface generates a longitudinal acting force component and a shearing acting force component when meeting the rectangular spiral groove, the direction of the longitudinal acting force is along the axial line direction, the direction of the shearing acting force component is vertical to the radius direction of the ultrasonic amplitude transformer (3), therefore, the mode conversion is realized to generate the torsional motion, and the longitudinal-torsional composite two-dimensional plane elliptical track is obtained at the output end. The ultrasonic amplitude transformer (3) drives the turning blade (4) to generate a two-dimensional elliptical track for cutting a workpiece (8) driven by the rotating main shaft (5).
The circular grooves of the upper supporting seat (13) and the lower supporting seat (14) of the supporting clamp (6) are the same as the shape of the flange of the ultrasonic amplitude transformer (3) and are used for installing and supporting the ultrasonic amplitude transformer (3), the semicircular bulges in the circular grooves are used for circumferentially positioning the ultrasonic amplitude transformer (3), and the cover plate (15) is installed at one end of the circular grooves and one end of the flange by screws and is used for axially positioning the ultrasonic amplitude transformer (3).
The upper end boss of the base (7) integrally provides a horizontal support for the upper end, and the lower end is connected to the workbench through screws.
Claims (8)
1. The utility model provides a compound two-dimentional ultrasonic cutting device of single excitation longitudinal-torsional which characterized in that: the device comprises an ultrasonic power supply (1), an ultrasonic transducer (2), an ultrasonic amplitude transformer (3), a turning blade (4), a rotating main shaft (5), a supporting clamp (6), a base (7) and a workpiece (8), wherein the ultrasonic transducer (2) comprises a front end cover (9), a piezoelectric ceramic piece (10), an electrode plate (11) and a rear end cover (12), the supporting clamp (6) comprises an upper supporting seat (13), a lower supporting seat (14) and a cover plate (15), the ultrasonic transducer (2) is connected with the ultrasonic power supply (1) through a lead, an ultrasonic electric signal generated by the ultrasonic power supply (1) is transmitted to the ultrasonic transducer (2) through the lead, the ultrasonic transducer (2) converts the ultrasonic electric signal into ultrasonic vibration and transmits the ultrasonic vibration to the ultrasonic amplitude transformer (3), and the ultrasonic amplitude transformer (3) converts one-dimensional ultrasonic vibration into two-dimensional ultrasonic elliptical vibration, the node of the ultrasonic amplitude transformer (3) is provided with a flange plate, the flange plate is fixed on a base (7) through a supporting clamp (6), and the lower end of the base (7) is fixed on a machine tool.
2. The single-excitation-longitudinal-torsional composite two-dimensional ultrasonic cutting device according to claim 1, characterized in that: the ultrasonic power supply (1) generates an ultrasonic electrical signal.
3. The single-excitation-longitudinal-torsional composite two-dimensional ultrasonic cutting device according to claim 1, characterized in that: the front end cover (9) of the ultrasonic transducer (2) is fixed with the ultrasonic amplitude transformer (3) through a stud, the diameter of the front end cover (9) of the ultrasonic transducer (2) is consistent with that of the fixed end of the ultrasonic amplitude transformer (3), and a cutter head is arranged at the other end of the ultrasonic amplitude transformer (3).
4. The single-excitation-longitudinal-torsional composite two-dimensional ultrasonic cutting device according to claim 3, characterized in that: the cutter head is provided with a diamond-shaped groove and a threaded hole and is used for fixing the turning blade (4) on the cutter head.
5. The single-excitation-longitudinal-torsional composite two-dimensional ultrasonic cutting device according to claim 1, characterized in that: the ultrasonic amplitude transformer (3) is in a step shape, and a rectangular spiral groove is formed in the cylindrical surface of the ultrasonic amplitude transformer (3).
6. The single-excitation-longitudinal-torsional composite two-dimensional ultrasonic cutting device according to claim 5, characterized in that: the rectangular spiral groove of the ultrasonic amplitude transformer (3) converts the vibration mode, so that the transmitted longitudinal vibration is converted into longitudinal vibration and circumferential torsional vibration, and finally two-dimensional ultrasonic elliptical vibration is formed in a compounding mode.
7. The single-excitation-longitudinal-torsional composite two-dimensional ultrasonic cutting device according to claim 1, characterized in that: the flange plate is provided with a semicircular groove which is matched with the semicircular groove of the supporting clamp (6).
8. The single-excitation-longitudinal-torsional composite two-dimensional ultrasonic cutting device according to claim 1, characterized in that: the lower bottom surface of the supporting clamp (6) is fixed on the base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210336903.1A CN114523578A (en) | 2022-03-31 | 2022-03-31 | Single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210336903.1A CN114523578A (en) | 2022-03-31 | 2022-03-31 | Single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114523578A true CN114523578A (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210336903.1A Withdrawn CN114523578A (en) | 2022-03-31 | 2022-03-31 | Single-excitation longitudinal-torsional composite two-dimensional ultrasonic cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114523578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850937A (en) * | 2022-06-06 | 2022-08-05 | 集美大学 | Magnetostrictive ultrasonic elliptical cutting device |
-
2022
- 2022-03-31 CN CN202210336903.1A patent/CN114523578A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850937A (en) * | 2022-06-06 | 2022-08-05 | 集美大学 | Magnetostrictive ultrasonic elliptical cutting device |
| CN114850937B (en) * | 2022-06-06 | 2024-06-21 | 集美大学 | Magnetostriction ultrasonic elliptic cutting device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220524 |
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| WW01 | Invention patent application withdrawn after publication |