CN109968443A - A kind of large amplitude indulges curved ultrasonic vibration cutter device - Google Patents
A kind of large amplitude indulges curved ultrasonic vibration cutter device Download PDFInfo
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- CN109968443A CN109968443A CN201910290186.1A CN201910290186A CN109968443A CN 109968443 A CN109968443 A CN 109968443A CN 201910290186 A CN201910290186 A CN 201910290186A CN 109968443 A CN109968443 A CN 109968443A
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- amplitude transformer
- amplitude
- ultrasonic vibration
- cutter device
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- 239000000919 ceramic Substances 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241000257303 Hymenoptera Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B06B1/0644—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 using a single piezoelectric element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Knives (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of large amplitudes to indulge curved ultrasonic vibration cutter device comprising single-excitation ultrasonic oval vibration energy converter, level-one amplitude transformer, second level amplitude transformer, three-level amplitude transformer, cutter head, ultrasonic power and guard shield.The single-excitation ultrasonic oval vibration energy converter includes bolt and the back shroud being sequentially sleeved on bolt, piezoelectric ceramic piece, electrode slice and level-one amplitude transformer, and back shroud and level-one amplitude transformer, which are coupled back shroud, piezoelectric ceramic piece, electrode slice and level-one amplitude transformer by bolt, to be compressed;The front end of level-one amplitude transformer is arranged in second level amplitude transformer, the front end of second level amplitude transformer is arranged in three-level amplitude transformer, the front end of three-level amplitude transformer is arranged in cutter head, cutter head center axis and three-level amplitude transformer axis angle a are between 80 and 100 degrees, cutter head edge has cutting edge, and cutting edge edge has triangular sawtooth structure of the tip towards cutter head tip.The present invention has many advantages, such as that power capacity is big, structure is simple, energy conversion efficiency is high, amplitude is big, stable working performance.
Description
Technical field
The ultrasonic vibration field that the present invention relates to the use of piezoelectric ceramics inverse piezoelectric effect, it is vertical more particularly, to a kind of large amplitude
Curved ultrasonic vibration cutter device.
Background technique
Ultrasonic cut is that the vibration of supersonic frequency is generated using ultrasonic piezoelectric transducer driving cutting tool, by collision and punching
Energy transmission is hit to medium is cut, causes to be cut the broken novel process skill to reach cutting purpose of dielectric material fatigue
Art.Ultrasonic cut more effectively, can be processed more accurately such as carbon fiber, glass fibre, Kafra fiber, various cellular composite materials
With hard brittle material such as optical glass, silicon crystal, ceramics etc..In addition, since the cutting tool with contact biological tissue is with certain
Water vapor in biological tissue, the fracture of albumen hydrogen bond, cell disruption, tissue can be made to be cut open, solidify and seal when ultrasonic frequency vibratory
Thin vessels are closed, so ultrasonic cut technology can apply on medical surgery operation tool again.Currently, ultrasonic cut technology is extensive
Applied to fields such as medical treatment, aerospace, chemical industry, agricultural, food and machinery.
In ultrasonic cut processing, in the case where other conditions are constant, the amplitude of cutting tool is bigger, ultrasonic piezoelectric energy-conversion
The transfer efficiency of device is higher, and the speed of cutting processing can be improved in the amplitude for increasing cutting tool, therefore processes in ultrasonic cut
In, the amplitude of cutting edge roundness is one of the important indicator of cutting tool performance, in order to promote ultrasonic vibration in each application field
Performance, take various modes and the vibration amplitude of ultrasonic vibration improved.
Summary of the invention
The present invention provides a kind of novel large amplitudes to indulge curved ultrasonic vibration cutter device, in order to overcome existing super
The lower deficiency of amplitude in acoustic vibration energy converter provides a kind of ultrasonic vibration cutter device of large magnitude.
A kind of large amplitude indulges curved ultrasonic vibration cutter device: including single-excitation ultrasonic oval vibration energy converter, level-one amplitude transformer, second level luffing
Bar, three-level amplitude transformer, cutter head, ultrasonic power and guard shield, the single-excitation ultrasonic oval vibration energy converter are integrally in cylindrical body, packet
Back shroud, piezoelectric ceramic piece, electrode slice and the level-one amplitude transformer for including bolt and being sequentially sleeved on bolt, back shroud and level-one become
Width bar, which is coupled back shroud, piezoelectric ceramic piece, electrode slice and level-one amplitude transformer by bolt, to be compressed;The second level amplitude transformer is set
It sets in the front end of level-one amplitude transformer, the front end of second level amplitude transformer is arranged in three-level amplitude transformer.
The front end of three-level amplitude transformer is arranged in cutter head, and cutter head center axis and three-level amplitude transformer axis angle a are in 80-100
Between degree, cutter head edge has cutting edge, and cutting edge edge has triangular sawtooth structure of the tip towards cutter head tip.
Further, three-level amplitude transformer and second level amplitude transformer can be fabricated to one and be integrally provided in level-one amplitude transformer
Front end.
Further, the front end of level-one amplitude transformer can be arranged in second level amplitude transformer by welding.
Further, it is provided with ring flange in level-one amplitude transformer, the connection for single-excitation ultrasonic oval vibration energy converter and external structure
It connects.
Further, a kind of large amplitude indulges curved ultrasonic vibration cutter device and there was only one group of extensional vibration piezoelectric ceramics
Piece.
Further, a kind of large amplitude, which indulges curved ultrasonic vibration cutter device, only needs ultrasonic electric signal excitation all the way.
Further, it is 18kHz-40kHz that a kind of large amplitude, which indulges the operating frequency range of curved ultrasonic vibration cutter device,.
Further, single-excitation ultrasonic oval vibration energy converter and level-one amplitude transformer, second level amplitude transformer and the setting of three-level amplitude transformer periphery
There is the shell with protection and gripping effect.
Further, in the section of level-one amplitude transformer, second level amplitude transformer and three-level amplitude transformer and cutter head and its shank
Mutable site is provided with arc transition.
Present invention employs sandwich piezoelectric ultrasonic vibration energy converters and three-level luffing rod structure, can effectively improve transducing
Device output power and luffing ratio can effectively increase the vibration amplitude of cutter in Same Efficieney, improve electro-mechanical and turn
Efficiency is changed, which can be indulged to curved ultrasonic vibration cutter device and be used for carbon fiber, glass fibre, Kafra fiber, various bees
The high efficiency cutting of the materials such as nest composite material, rubber, and stable working performance, have a extensive future.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is cutter head structure schematic diagram of the invention;
Fig. 3 is the top view of cutter head structure of the invention;
Fig. 4 is application example schematic diagram of the invention;
Figure label explanation: 1. bolts, 2. back shrouds, 3. piezoelectric ceramic pieces, 4. electrode slices, 5. level-one amplitude transformers, 6. flanges
Disk, 7. second level amplitude transformers, 8. three-level amplitude transformers, 9. cutter heads, 10. shells, 11. ultrasonic-frequency power supplies;
91. tip is towards the triangular sawtooth structure at cutter head tip, 92. cutter head installing handles, 93. transition arcs.
Specific embodiment
As shown in connection with fig. 1, a kind of large amplitude indulges curved ultrasonic vibration cutter device: becoming including single-excitation ultrasonic oval vibration energy converter, level-one
Width bar 6, second level amplitude transformer 7, three-level amplitude transformer 8, cutter head 9, ultrasonic power 11 and guard shield 10, the ultrasonic vibration are changed
Energy device is integrally in cylindrical body comprising bolt 1 and the back shroud 2 being sequentially sleeved on bolt 1, piezoelectric ceramic piece 3, electrode slice 4
With level-one amplitude transformer 5, back shroud 1 and level-one amplitude transformer 5 pass through bolt 1 for back shroud 2, piezoelectric ceramic piece 3, electrode slice 4 and one
The grade connection of amplitude transformer 5 compresses;The front end of level-one amplitude transformer 5 is arranged in the second level amplitude transformer 7, and the setting of three-level amplitude transformer 8 exists
The front end of second level amplitude transformer 7.
In conjunction with shown in Fig. 2,3, the front end of three-level amplitude transformer 8, cutter head center axis and three-level amplitude transformer axis is arranged in cutter head 9
Wire clamp angle a is 90 degree, and 9 edge of cutter head has cutting edge, and cutting edge edge has triangular sawtooth knot of the tip towards cutter head tip
Structure 91.
As shown in connection with fig. 4, ultrasonic-frequency power supply 11 is connected by conducting wire with the electrode of single-excitation ultrasonic oval vibration energy converter, and ultrasonic vibration is changed
Energy device only has one group of extensional vibration piezoelectric ceramic piece 3, piezoelectric ceramic transducer section diameter 30mm, and piezoelectric ceramic piece 3 is PZT-8,
Size are as follows:Ф30×Ф15×5, the piece number of piezoelectric ceramic piece 3 is 2.
The intrinsic frequency of single-excitation ultrasonic oval vibration energy converter is 29.86KHz, and impedance is 63 ohm, and dynamic electric resistor is 19 ohm, ultrasound
11 output voltage range of power supply is 0-400V, and current range 0-4A, output frequency is 29.86 ± 0.01KHz, and ultrasonic-frequency power supply
11 have the function of automatic frequency tracking in designated frequency range.
When operation, after the electrode slice 4 of single-excitation ultrasonic oval vibration energy converter accesses the electric signal that ultrasonic-frequency power supply 11 exports, since piezoelectricity is made pottery
The inverse piezoelectric effect of tile 3, piezoelectric ceramic piece 3 will generate longitudinal ultrasonic vibration, i.e. single-excitation ultrasonic oval vibration energy converter is by ultrasonic-frequency power supply
The electric energy of 11 outputs is converted to ultrasonic vibrational energy, and entire transducer system is driven to carry out longitudinal ultrasonic vibration, when ultrasound is shaken
Energy is behind the end that single-excitation ultrasonic oval vibration energy converter is transmitted to level-one amplitude transformer 5, and original amplitude is one caused by piezoelectric ceramics
The end of grade amplitude transformer 5 is amplified, and ultrasonic vibrational energy continues the end for being passed forward to second level amplitude transformer 7, and amplitude is another
Secondary to be amplified, last ultrasonic vibrational energy continues the end for being passed forward to three-level amplitude transformer 8, and amplitude is put again
Greatly, the extensional vibration of 8 end of three-level amplitude transformer, is transmitted to cutter head 9, is converted into the bending vibration of cutter head, knife has been further amplified
The amplitude of head, and finally driving cutter head 9 carries out bending ultrasonic vibration.
When to single-excitation ultrasonic oval vibration energy converter on-load voltage, after operation reaches stable vibration state in 10 minutes, ultrasonic-frequency power supply 11
Output voltage is 220V, electric current 1.35A, the use of the amplitude that laser doppler vibrometer measures 8 end of three-level amplitude transformer is 142
Micron, the amplitude of 9 end of cutter head is 189 microns, and 8-20 microns of generally conventional vibration amplitude, the large amplitude indulge curved ultrasound vibration
The vibration amplitude of dynamic cutter device improves 6-20 times.The cutter are held to cut 2CM ground paper honeycomb composite material,
When applying the cutting force of about 1N, cutting speed can reach 5CM/min, and composite material cutting edge is generated without flash.
Claims (8)
1. a kind of large amplitude indulges curved ultrasonic vibration cutter device, it is characterised in that: a kind of large amplitude indulges curved ultrasonic vibration cutting dress
It sets outer including single-excitation ultrasonic oval vibration energy converter, level-one amplitude transformer, second level amplitude transformer, three-level amplitude transformer, cutter head, ultrasonic power and protection
Shell, the single-excitation ultrasonic oval vibration energy converter are integrally in cylindrical body comprising bolt and the back shroud being sequentially sleeved on bolt, piezoelectricity
Potsherd, electrode slice and level-one amplitude transformer, back shroud and level-one amplitude transformer pass through bolt for back shroud, piezoelectric ceramic piece, electrode
Piece and the connection of level-one amplitude transformer compress;The front end of level-one amplitude transformer, the setting of three-level amplitude transformer is arranged in the second level amplitude transformer
In the front end of second level amplitude transformer, the front end of three-level amplitude transformer is arranged in cutter head, and cutter head center axis and three-level luffing rod axis press from both sides
Between 80 and 100 degrees, cutter head edge has cutting edge to angle a, and cutting edge edge has triangular sawtooth of the tip towards cutter head tip
Structure;At level-one amplitude transformer, second level amplitude transformer and three-level amplitude transformer and the abrupt change of cross-section position of cutter head and its shank, it is all provided with
It is equipped with arc transition.
2. a kind of large amplitude according to claim 1 indulges curved ultrasonic vibration cutter device, it is characterised in that: the three-level
Amplitude transformer and second level amplitude transformer are fabricated to the front end for being integrally provided in level-one amplitude transformer.
3. a kind of large amplitude according to claim 1 indulges curved ultrasonic vibration cutter device, it is characterised in that: the second level
Amplitude transformer welds the front end that level-one amplitude transformer is arranged in.
4. a kind of large amplitude according to claim 1 indulges curved ultrasonic vibration cutter device, it is characterised in that: level-one amplitude transformer
On be provided with ring flange, for coupling for single-excitation ultrasonic oval vibration energy converter and external structure.
5. a kind of large amplitude according to claim 1 indulges curved ultrasonic vibration cutter device, it is characterised in that: a kind of large amplitude
It indulges curved ultrasonic vibration cutter device and there was only one group of extensional vibration piezoelectric ceramic piece.
6. a kind of large amplitude according to claim 1 indulges curved ultrasonic vibration cutter device, it is characterised in that: a kind of large amplitude
Indulging curved ultrasonic vibration cutter device only needs ultrasonic electric signal excitation all the way.
7. a kind of large amplitude according to claim 1 indulges curved ultrasonic vibration cutter device, it is characterised in that: a kind of large amplitude
The operating frequency range for indulging curved ultrasonic vibration cutter device is 18kHz-40kHz.
8. a kind of large amplitude according to claim 1 indulges curved ultrasonic vibration cutter device, it is characterised in that: ultrasonic vibration is changed
Energy device and level-one amplitude transformer, second level amplitude transformer and three-level amplitude transformer periphery are provided with the shell with protection and gripping effect.
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CN201910290186.1A CN109968443A (en) | 2019-04-11 | 2019-04-11 | A kind of large amplitude indulges curved ultrasonic vibration cutter device |
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CN201910290186.1A CN109968443A (en) | 2019-04-11 | 2019-04-11 | A kind of large amplitude indulges curved ultrasonic vibration cutter device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111604249A (en) * | 2020-04-15 | 2020-09-01 | 南京航空航天大学 | Large-amplitude ultrasonic vibration platform and operation process thereof |
CN112809219A (en) * | 2021-02-05 | 2021-05-18 | 大连交通大学 | Ultrasonic friction stir welding composite welding system |
CN113714862A (en) * | 2021-08-17 | 2021-11-30 | 南京航空航天大学 | Large-amplitude ultrasonic vibration auxiliary grinding device based on vibration superposition and operation process thereof |
CN114986992A (en) * | 2022-05-24 | 2022-09-02 | 杭州瑞利超声科技有限公司 | Blood bag is ultrasonic transducer and mould tool bit for takeover machine |
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FR2337614A1 (en) * | 1976-01-12 | 1977-08-05 | Cavitron Corp | Ultrasonic thread cutter for sewing machine - has flexible horse shoe-shaped cutting head coupled to piezoelectric crystal vibrator |
CN2045345U (en) * | 1988-10-24 | 1989-10-04 | 吉林工业大学 | Ultrasonic vibration cutting device |
CN1962137A (en) * | 2006-11-27 | 2007-05-16 | 华南理工大学 | Ultrasonic vibration cutting device used for lathe |
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CN205831876U (en) * | 2016-06-08 | 2016-12-28 | 江苏水木天蓬科技有限公司 | A kind of ultrasonic osteotome bit |
CN107116019A (en) * | 2017-06-27 | 2017-09-01 | 哈尔滨工业大学深圳研究生院 | Bifrequency ultrasonic vibrating machining transducer and its mode of operation |
DE202018103144U1 (en) * | 2018-06-05 | 2018-07-04 | ELKATEK UG (haftungsbeschränkt) & Co. KG | Hand-held device for cutting textile fabrics by means of ultrasound |
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2019
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Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2337614A1 (en) * | 1976-01-12 | 1977-08-05 | Cavitron Corp | Ultrasonic thread cutter for sewing machine - has flexible horse shoe-shaped cutting head coupled to piezoelectric crystal vibrator |
CN2045345U (en) * | 1988-10-24 | 1989-10-04 | 吉林工业大学 | Ultrasonic vibration cutting device |
CN1962137A (en) * | 2006-11-27 | 2007-05-16 | 华南理工大学 | Ultrasonic vibration cutting device used for lathe |
CN102806361A (en) * | 2012-08-31 | 2012-12-05 | 赵显华 | Ultrasonic postpositional unidirectional vibration turning method |
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CN204133931U (en) * | 2014-09-02 | 2015-02-04 | 深圳普门科技有限公司 | A kind of ultrasonic transducer |
CN205831876U (en) * | 2016-06-08 | 2016-12-28 | 江苏水木天蓬科技有限公司 | A kind of ultrasonic osteotome bit |
CN107116019A (en) * | 2017-06-27 | 2017-09-01 | 哈尔滨工业大学深圳研究生院 | Bifrequency ultrasonic vibrating machining transducer and its mode of operation |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111604249A (en) * | 2020-04-15 | 2020-09-01 | 南京航空航天大学 | Large-amplitude ultrasonic vibration platform and operation process thereof |
CN112809219A (en) * | 2021-02-05 | 2021-05-18 | 大连交通大学 | Ultrasonic friction stir welding composite welding system |
CN113714862A (en) * | 2021-08-17 | 2021-11-30 | 南京航空航天大学 | Large-amplitude ultrasonic vibration auxiliary grinding device based on vibration superposition and operation process thereof |
CN114986992A (en) * | 2022-05-24 | 2022-09-02 | 杭州瑞利超声科技有限公司 | Blood bag is ultrasonic transducer and mould tool bit for takeover machine |
CN114986992B (en) * | 2022-05-24 | 2024-04-23 | 杭州瑞利超声科技有限公司 | Ultrasonic transducer and die cutter head combined device for blood bag connecting machine |
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