CN203197686U - Ultrasonic machining knife handle - Google Patents
Ultrasonic machining knife handle Download PDFInfo
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- CN203197686U CN203197686U CN 201320135602 CN201320135602U CN203197686U CN 203197686 U CN203197686 U CN 203197686U CN 201320135602 CN201320135602 CN 201320135602 CN 201320135602 U CN201320135602 U CN 201320135602U CN 203197686 U CN203197686 U CN 203197686U
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- knife
- handle
- ultrasonic machining
- pressing plate
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Abstract
The utility model provides an ultrasonic machining knife handle which comprises a knife handle body and an energy converter. One end of the energy converter is arranged inside the knife handle body. An electromagnetic conversion device is arranged on the outer side of the knife handle body. The energy converter comprises an amplitude transformer, piezoelectric ceramic, a pressing plate and a pre-tightening bolt which is sequentially connected with the pressing plate, the piezoelectric ceramic and the amplitude transformer. The amplitude transformer is tightly connected with the knife handle body through an end cover. When conducting machining, the ultrasonic machining knife handle can conduct the two direction movement of high-speed rotation and axial vibration at the same time, so that machining efficiency is improved, the cutting force is reduced, and surface machining quality is improved.
Description
Technical field
The utility model relates to field of machining, relates in particular to a kind of Ultrasonic machining handle of a knife.
Background technology
The Ultrasonic machining technology is best suited for one of processing method of processing hard brittle material, and it is on the basis of grinding, by the machined material on the method removal workpiece of ultrasonic vibration.The grinding effect can be strengthened and improve to Ultrasonic machining, it has not only kept the characteristic of grinding, can also increase substantially working (machining) efficiency (working (machining) efficiency can reach 3-5 times of plain grinding), the deflection that reduces to cut, reduce cutting force, can also effectively improve the suface processing quality of workpiece simultaneously.
The utility model adds ultrasonic module, and the induction type electrical transmission is applied on the ultrasound knife handle structure, thereby proposed a kind of induction type ultrasound Knife handle structure on the basis of existing Knife handle structure.
The utility model content
At the problems referred to above, the purpose of this utility model is to provide a kind of Ultrasonic machining handle of a knife, this Ultrasonic machining handle of a knife is carrying out mach the time, handle of a knife carries out the motion of rotation at a high speed and axial vibration both direction simultaneously, thereby improves working (machining) efficiency, reduces cutting force and improve suface processing quality.
The technical solution of the utility model is achieved in that
A kind of Ultrasonic machining handle of a knife, comprise handle of a knife and transducer, described transducer one end is arranged at described handle of a knife inside, it is characterized in that: described handle of a knife arranged outside has electromagnetic switching device, described transducer comprises luffing bar, piezoelectric ceramics, pressing plate and pretension bolt, described pretension bolt connects described pressing plate, described piezoelectric ceramics and described luffing bar successively, and described luffing bar and described handle of a knife are fastenedly connected by end cap.
Preferably, described handle of a knife is connected with Digit Control Machine Tool, and the described luffing bar other end is connected with tool heads.
Preferably, described electromagnetic switching device comprises transmitting coil and receiving coil, and described transmitting coil is connected with drive unit, and described receiving coil is connected with the electrode of described transducer.
Preferably, described luffing bar, described piezoelectric ceramics and described pressing plate center are point-blank.
Preferably, the length of described luffing bar is 25～35mm.
Preferably, the length of described piezoelectric ceramics is 10～20mm.
Preferably, the length of described pressing plate is 15～25mm.
Further, the length of described luffing bar is 31mm, and the length of described piezoelectric ceramics is 12mm, and the length of described pressing plate is 21mm.
Preferably, the length of described handle of a knife is 130～150mm.
The beneficial effect that the utility model produces is: the Ultrasonic machining handle of a knife that the utility model proposes is carrying out mach the time, can carry out the motion of rotation at a high speed and axial vibration both direction simultaneously, thereby improve working (machining) efficiency, reduce cutting force and improve suface processing quality.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional structure schematic diagram of an embodiment of a kind of Ultrasonic machining handle of a knife of the utility model;
Among the figure: 1 handle of a knife; 2 pressing plates; 3 transmitting coils; 4 receiving coils; 5 end caps; 6 luffing bars; 7 pretension bolts; 8 piezoelectric ceramics.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
According to preferred embodiment shown in Figure 1, a kind of Ultrasonic machining handle of a knife, comprise handle of a knife 1 and transducer, described transducer one end is arranged at described handle of a knife 1 inside, described handle of a knife 1 is connected with Digit Control Machine Tool, described handle of a knife 1 is connected with the main shaft of Digit Control Machine Tool in the present embodiment, described handle of a knife 1 arranged outside has electromagnetic switching device, described transducer comprises luffing bar 6, piezoelectric ceramics 8, pressing plate 2 and pretension bolt 7, described pretension bolt 7 connects described pressing plate 2 successively, described piezoelectric ceramics 8 and described luffing bar 6, described luffing bar is connected with tool heads, described luffing bar 6, described piezoelectric ceramics 8 and described pressing plate 2 centers are point-blank.Described luffing bar 6 is fastenedly connected by end cap 5 with described handle of a knife 1, and in the present embodiment, described luffing bar 6 and described end cap 5 are connected by bolted.
Described electromagnetic switching device comprises transmitting coil 3 and receiving coil 4, and described transmitting coil 3 is connected with drive unit, and described receiving coil 4 is connected with the electrode of described transducer.In the present embodiment, described transmitting coil 3 and described receiving coil 4 all are arranged in the groove of described handle of a knife outside.Uniform eight apertures in transducer top, its effect are that the lead with described receiving coil 4 is connected to transducer by aperture, thereby receiving coil 4 is connected with the electrode of described transducer.
The course of work of the present utility model is: when carrying out work, Digit Control Machine Tool drives handle of a knife 1 rotation at a high speed; Piezoelectric ceramics 8 is connected with drive unit by electromagnetic switching device simultaneously, utilize the principle of electromagnetic induction then, the signal of telecommunication of drive unit at first is delivered to transmitting coil 3, the electrical signal transfer of transmitting coil 3 is to receiving coil 4, receiving coil 4 directly links to each other with the electrode of transducer, produces ultrasonic vibration thereby drive transducer, and whole ultrasonic processing handle of a knife realizes being rotated simultaneously and vibrating two kinds of motions like this, carry out grinding with this, improved working (machining) efficiency and crudy greatly.
About the selection of piezoelectric and luffing bar material, in order to reduce the influence of non axial vibration, improve the ultrasonic energy transmission efficiency, piezoelectric selects to have the thickness electromechanical coupling coefficient K of the high order of magnitude
1, the dielectric constant K of the low order of magnitude
33 T, the radially electromechanical coupling factor K of the low order of magnitude
31Piezoelectric ceramics.The luffing bar selects to have stainless steel or the titanium alloy material of low-yield dissipation.
Described luffing bar 6, described piezoelectric ceramics 8 and described pressing plate 2 parameter designing satisfy following formula:
Wherein, k
sBe the wave number of piezoelectric ceramics, k
bWave number, k for the luffing bar
fWave number for pressing plate;
And
Be the acoustic impedance of ultrasonic wave at luffing bar, pressing plate and piezoelectric ceramics.
Gained as calculated, the length of described pressing plate 2 is 15～25mm, and the length of described piezoelectric ceramics 8 is 10～20mm, and the length of described luffing bar 6 is 25～35mm, the length of pressing plate described in the present embodiment 2 is preferably 21mm, and the length of described piezoelectric ceramics 8 is preferably 12mm.The length of described luffing bar 6 is preferably 31mm.
The Ultrasonic machining handle of a knife that the utility model proposes, when carrying out work, handle of a knife can carry out the motion of rotation at a high speed and axial vibration both direction simultaneously, can improve working (machining) efficiency, reduces cutting force and improve suface processing quality.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. Ultrasonic machining handle of a knife, comprise handle of a knife and transducer, described transducer one end is arranged at described handle of a knife inside, it is characterized in that: described handle of a knife arranged outside has electromagnetic switching device, described transducer comprises luffing bar, piezoelectric ceramics, pressing plate and pretension bolt, described pretension bolt connects described pressing plate, described piezoelectric ceramics and described luffing bar successively, and described luffing bar and described handle of a knife are fastenedly connected by end cap.
2. Ultrasonic machining handle of a knife as claimed in claim 1, it is characterized in that: described handle of a knife is connected with Digit Control Machine Tool, and described luffing bar is connected with tool heads.
3. Ultrasonic machining handle of a knife as claimed in claim 1, it is characterized in that: described electromagnetic switching device comprises transmitting coil and receiving coil, and described transmitting coil is connected with drive unit, and described receiving coil is connected with the electrode of described transducer.
4. Ultrasonic machining handle of a knife as claimed in claim 1, it is characterized in that: described luffing bar, described piezoelectric ceramics and described pressing plate center are point-blank.
5. Ultrasonic machining handle of a knife as claimed in claim 1, it is characterized in that: the length of described luffing bar is 25～35mm.
6. Ultrasonic machining handle of a knife as claimed in claim 1, it is characterized in that: the length of described piezoelectric ceramics is 10～20mm.
7. Ultrasonic machining handle of a knife as claimed in claim 1, it is characterized in that: the length of described pressing plate is 15～25mm.
8. as claim 5 or 6 or 7 described Ultrasonic machining handle of a knifes, it is characterized in that: the length of described luffing bar is 31mm, and the length of described piezoelectric ceramics is 12mm, and the length of described pressing plate is 21mm.
9. Ultrasonic machining handle of a knife as claimed in claim 1, it is characterized in that: the length of described handle of a knife is 130～150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135602 CN203197686U (en) | 2013-03-22 | 2013-03-22 | Ultrasonic machining knife handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135602 CN203197686U (en) | 2013-03-22 | 2013-03-22 | Ultrasonic machining knife handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197686U true CN203197686U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320135602 Expired - Fee Related CN203197686U (en) | 2013-03-22 | 2013-03-22 | Ultrasonic machining knife handle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128605A (en) * | 2013-03-22 | 2013-06-05 | 东莞华中科技大学制造工程研究院 | Ultrasonic machining knife handle |
| CN104002205A (en) * | 2014-05-20 | 2014-08-27 | 张增英 | Non-contact energy transmission type ultrasonic machining device |
| CN104646739A (en) * | 2015-03-05 | 2015-05-27 | 中南大学 | Aluminum alloy side milling process under assistance of ultrasonic longitudinal vibration |
| CN105922453A (en) * | 2016-04-20 | 2016-09-07 | 东莞市优超精密技术有限公司 | HSK ultrasonic knife handle |
| TWI580516B (en) * | 2014-10-24 | 2017-05-01 | 鴻海精密工業股份有限公司 | Tool holder |
| CN108015597A (en) * | 2017-12-19 | 2018-05-11 | 长春理工大学 | A kind of small-sized self-energizing ultrasonic vibration electro spindle |
| CN108555702A (en) * | 2018-04-23 | 2018-09-21 | 杭州大音超声科技有限公司 | It is a kind of to draw stick knife handle of a knife with ultrasonic vibration |
| CN112059742A (en) * | 2020-09-04 | 2020-12-11 | 广州大学 | Piezoelectric special-shaped amplitude transformer ultrasonic grinding and polishing device |
-
2013
- 2013-03-22 CN CN 201320135602 patent/CN203197686U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128605A (en) * | 2013-03-22 | 2013-06-05 | 东莞华中科技大学制造工程研究院 | Ultrasonic machining knife handle |
| CN104002205A (en) * | 2014-05-20 | 2014-08-27 | 张增英 | Non-contact energy transmission type ultrasonic machining device |
| TWI580516B (en) * | 2014-10-24 | 2017-05-01 | 鴻海精密工業股份有限公司 | Tool holder |
| CN104646739A (en) * | 2015-03-05 | 2015-05-27 | 中南大学 | Aluminum alloy side milling process under assistance of ultrasonic longitudinal vibration |
| CN105922453A (en) * | 2016-04-20 | 2016-09-07 | 东莞市优超精密技术有限公司 | HSK ultrasonic knife handle |
| CN108015597A (en) * | 2017-12-19 | 2018-05-11 | 长春理工大学 | A kind of small-sized self-energizing ultrasonic vibration electro spindle |
| CN108015597B (en) * | 2017-12-19 | 2019-05-31 | 长春理工大学 | A kind of small-sized self-energizing ultrasonic vibration electro spindle |
| CN108555702A (en) * | 2018-04-23 | 2018-09-21 | 杭州大音超声科技有限公司 | It is a kind of to draw stick knife handle of a knife with ultrasonic vibration |
| CN112059742A (en) * | 2020-09-04 | 2020-12-11 | 广州大学 | Piezoelectric special-shaped amplitude transformer ultrasonic grinding and polishing device |
| CN112059742B (en) * | 2020-09-04 | 2022-04-26 | 广州大学 | Piezoelectric special-shaped amplitude transformer ultrasonic grinding and polishing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 nine hi tech Road, Songshan Lake hi tech Industrial Development Zone, Guangdong, Dongguan, 1 Patentee after: GUANGDONG HUST INDUSTRIAL TECHNOLOGY Research Institute Address before: Science and technology Songshan Lake Science and Technology Industrial Park in Guangdong province Dongguan City nine road 523808 No. 1 Patentee before: DG-HUST Manufacturing Engineering Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 |