CN204367179U - A kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure - Google Patents
A kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure Download PDFInfo
- Publication number
- CN204367179U CN204367179U CN201420746225.7U CN201420746225U CN204367179U CN 204367179 U CN204367179 U CN 204367179U CN 201420746225 U CN201420746225 U CN 201420746225U CN 204367179 U CN204367179 U CN 204367179U
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- ultrasonic
- annular magnet
- handle
- knife
- knife housing
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Abstract
The utility model discloses a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure, comprise lathe, rotate the handle of a knife housing being installed in lathe and the ultrasonic system be installed in handle of a knife housing, ultrasonic system comprises ultrasonic transformer, front end and the handle of a knife housing of ultrasonic transformer are fixedly connected, also comprise the second annular magnet of the first annular magnet being installed in handle of a knife housing and the rear end being installed in ultrasonic transformer, second annular magnet is positioned at the first annular magnet, and the polarity of the inner face of the first annular magnet is identical with the polarity of the outer peripheral face of the second annular magnet, by the work of the first annular magnet and the second annular magnet two like magnetic poles repel each other in order to make diametrically can be contactless relative fixing between the rear end of ultrasonic transformer and handle of a knife housing.This Knife handle structure improves stability and the radial rigidity of ultrasonic system, and then improves machining accuracy; And the transmission of its axial ultrasonic vibration wave can not be affected, also can not cause loss and the system heating of ultrasonic energy.
Description
Technical field
The utility model relates to a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure.
Background technology
The hard brittle materials such as engineering ceramics, optical glass, artificial lens are widely used because having the advantages such as hardness is high, chemical stability good, not oxidizable, wear-resistant, corrosion-resistant.But these hard brittle materials have high hardness and fragility, its processing is very difficult.Ultrasonic wave processing is the novel processing method of one progressively developing nearly decades and apply, and a large amount of theoretical and experimental studies shows, in the Precision Machining of hard fragility difficult-to-machine material, ultrasonic wave processing has the incomparable technological effect of common processing methods.In order to better play the advantage of ultrasonic wave processing, usually connected applications is processed in ultrasonic wave processing and other tradition, as supersonic vibration assistant grinding, ultrasonic vibration assisted machining, ultrasonic vibration assist milling and ultrasonic vibration to assist drilling etc., in the processing that these are traditional, add ultrasonic vibration auxiliary energy greatly improve its machining accuracy and working (machining) efficiency.
Rotary ultrasonic machining is a kind of combined machining method Ultrasonic machining and traditional machining combined.Add man-hour instrument while do the extensional vibration of the little amplitude of supersonic frequency, make High Rotation Speed around its axis again simultaneously.So namely, overcome the feature that Ultrasonic Machining Efficiency is lower, turn improve the precision of traditional machining.In order to expand the application of rotary ultrasonic machining, now by ultrasonic vibration system and handle of a knife designed in conjunction go out ultrasonic handle of a knife.This handle of a knife directly can be connected with machine tool chief axis and realize high speed rotary motion, and ultrasonic vibration then drives machining tool to do longitudinal ultrasonic vibration by ultrasonic generator by ultrasonic transformer.Whole ultrasonic vibration system is then fixed by zero amplitude position on ultrasonic transformer and handle of a knife shell, under handle of a knife shell drives, do high speed rotary motion.In ultrasonic handle of a knife designed at present, ultrasonic vibration system is fixed it only by zero shift node on ultrasonic transformer together with machining tool, and bearing's axial width is less, therefore, cause that the radial rigidity of this handle of a knife is little, the axiality of machining tool and machine tool chief axis is low, and when handle of a knife does high speed rotary motion, vibrational system rear end and tool ends end all can produce certain rocking due to bias, have a strong impact on machining accuracy.In order to improve radial rigidity and the stability of rotating shaft, usually need be fixed in two of an axle position and limit, but, due to hyperacoustic vibration can be there is vertically in ultrasonic vibration, when carrying out radial direction clamping to Under Ultrasonic Vibration moving axis, the vibration of its axis can be hindered, ultrasonic energy is lost, cause vibrational system to generate heat simultaneously.Therefore, be all at present on ultrasonic transformer amplitude be zero location point ultrasonic system is fixed, poor stability, radial rigidity is low, and machining accuracy is reduced.
Utility model content
The utility model provides a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure, which overcomes the deficiency existing for background technology.The utility model solves the technical scheme that its technical problem adopts: a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure, it comprises lathe, rotate the handle of a knife housing (10) being installed in lathe and the ultrasonic system be installed in handle of a knife housing (10), ultrasonic system comprises ultrasonic transformer (21), front end and the handle of a knife housing (10) of ultrasonic transformer (21) are fixedly connected, it is characterized in that: it also comprises second annular magnet (32) of the first annular magnet (31) being installed in handle of a knife housing (10) and the rear end being installed in ultrasonic transformer (21), second annular magnet (32) is positioned at the first annular magnet (31), and the polarity of the inner face of the first annular magnet (31) is identical with the polarity of the outer peripheral face of the second annular magnet (32), by the work of the first annular magnet (31) and the second annular magnet (32) two like magnetic poles repel each other in order to make diametrically can be contactless relative fixing between the rear end of ultrasonic transformer (21) and handle of a knife housing (10).
Among one preferred embodiment: the rear inner wall of described handle of a knife housing (10) is provided with the groove (17) of annular, and described first annular magnet (31) is fixedly installed in groove (17).
Among one preferred embodiment: described ultrasonic system also comprises and is socketed in ultrasonic transformer (21) piezoelectric ceramics outward (41), the periphery, rear end of ultrasonic transformer (21) is provided with First terrace (22) and second step face (23), piezoelectric ceramics (41) lower surface is abutted against mutually with First terrace (22), second annular magnet (32) be socketed in ultrasonic transformer (21) outward and its bottom face be abutted against mutually with piezoelectric ceramics (41) upper surface, separately be provided with fixed cover (24) and locking part (25), fixed cover (24) be socketed in ultrasonic transformer (21) outward and its bottom face be abutted against mutually with the top end face of second step face (23) and the second annular magnet (32), locking part (25) is by fixed cover (24), second annular magnet (32) and ultrasonic transformer (21) interlocking are together.
Among one preferred embodiment: described locking part (25) is bolt, the rear end of ultrasonic transformer (21) offers screw (26) extending longitudinally, the top end face of nut contact in fixed cover (24) of bolt, the screw rod of bolt to stretch in screw (26) and coordinates with screw (26) bolt.
Among one preferred embodiment: the front inner wall of described handle of a knife housing (10) is provided with the 3rd step surface (13), the periphery, front end of described ultrasonic transformer (21) is provided with bulge loop (27), the top end face of bulge loop (27) is abutted against mutually with the 3rd step surface (13), separately be provided with fixed cap (28), this fixed cap (28) be resisted against bulge loop (27) bottom face and with the inwall phase tight fit of handle of a knife housing (10).
Among one preferred embodiment: described ultrasonic system also comprises piezoelectric ceramics (41), first induction coil, second induction coil (42) and wire (44), piezoelectric ceramics (41) is installed on ultrasonic transformer (21), first induction coil is installed on lathe, it is upper and corresponding with the first induction coil that second induction coil (42) is installed in handle of a knife housing (10), wire (44) connects piezoelectric ceramics (41) and the second induction coil (42), first induction coil is by transfer of ultrasonic energy to the second induction coil (42), second induction coil (42) by wire (44) by transfer of ultrasonic energy to piezoelectric ceramics (41) with make piezoelectric ceramics (41) produce ultrasonic vibration so that make ultrasonic transformer (21) produce ultrasonic vibration.
Among one preferred embodiment: described second induction coil (42) is socketed in the rearward end periphery of handle of a knife housing (10), the wire guide (14) run through inside and outside handle of a knife housing (10) is offered in handle of a knife housing (10) rear end, and wire (44) is through wire guide (14).
Among one preferred embodiment: described handle of a knife housing (10) comprises procapsid (15) and back casing (16), be fixed by bolt (18) between procapsid (15) and back casing (16).
The technical program is compared with background technology, and its tool has the following advantages:
By the work of the first annular magnet and the second annular magnet two like magnetic poles repel each other in order to make diametrically can be contactless relative fixing between the rear end of ultrasonic transformer and handle of a knife housing, improve stability and the radial rigidity of ultrasonic system, and then improve machining accuracy; And the rear end of handle of a knife shell and ultrasonic transformer is contactless, the transmission of its axial ultrasonic vibration wave can not be affected, also can not cause loss and the system heating of ultrasonic energy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts the overall schematic of a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure of a preferred embodiment.
Fig. 2 depicts the A-A cross-sectional schematic of Fig. 1.
Fig. 3 depicts the sectional view of the handle of a knife housing of a preferred embodiment.
Fig. 4 depicts the sectional view of the ultrasonic transformer of a preferred embodiment.
Detailed description of the invention
Please refer to Fig. 1 to Fig. 4, an a kind of preferred embodiment of annular magnet magnetic supporting rotary ultrasonic Knife handle structure, described a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure, it comprises lathe (not shown), handle of a knife housing 10 and ultrasonic system, the first annular magnet 31 and the second annular magnet 32.
Described handle of a knife housing 10 rotates and is installed in lathe.In the present embodiment, the rear inner wall of described handle of a knife housing 10 is provided with the groove 17 of annular.
In the present embodiment, described handle of a knife housing 10 comprises procapsid 15 and back casing 16, is fixed between procapsid 15 and back casing 16 by bolt 18.Described groove 17 is arranged on the junction of procapsid 15 and back casing 16.
In the present embodiment, the front inner wall of described handle of a knife housing 10 is provided with the 3rd step surface 13, and the wire guide 14 run through inside and outside handle of a knife housing 10 is offered in handle of a knife housing 10 rear end.
Described ultrasonic system is installed in handle of a knife housing 10, and described ultrasonic system comprises ultrasonic transformer 21, and front end and the handle of a knife housing 10 of ultrasonic transformer 21 are fixedly connected.
In the present embodiment, the periphery, rear end of described ultrasonic transformer 21 is provided with First terrace 22 and second step face 23, and the rear end of ultrasonic transformer 21 offers screw 26 extending longitudinally.
In the present embodiment, the periphery, front end of described ultrasonic transformer 21 is provided with bulge loop 27, and the top end face of bulge loop 27 is abutted against mutually with the 3rd step surface 13, is separately provided with fixed cap 28, this fixed cap 28 be resisted against bulge loop 27 bottom face and with the inwall phase tight fit of handle of a knife housing 10.
In the present embodiment, described ultrasonic system also comprises piezoelectric ceramics 41, first induction coil (not shown), second induction coil 42 and wire 44, piezoelectric ceramics 41 is installed on ultrasonic transformer 21, first induction coil is installed on lathe, second induction coil 42 to be installed on handle of a knife housing 10 and corresponding with the first induction coil, wire 44 connects piezoelectric ceramics 41 and the second induction coil 42, first induction coil is by transfer of ultrasonic energy to the second induction coil 42, second induction coil 42 by wire 44 by transfer of ultrasonic energy to piezoelectric ceramics 41 to make piezoelectric ceramics 41 produce ultrasonic vibration and then to make ultrasonic transformer 21 produce ultrasonic vibration.
In the present embodiment, described piezoelectric ceramics 41 is socketed in outside ultrasonic transformer 21 and lower surface and is abutted against mutually with First terrace 22, and described second induction coil 42 is socketed in the rearward end periphery of handle of a knife housing 10, and wire 44 is through wire guide 14.
Described first annular magnet 31 is installed in handle of a knife housing 10.In the present embodiment, described first annular magnet 31 is fixedly installed in groove 17.
Described second annular magnet 32 is installed in the rear end of ultrasonic transformer 21, second annular magnet 32 is positioned at the first annular magnet 31, and the polarity of the inner face of the first annular magnet 31 is identical with the polarity of the outer peripheral face of the second annular magnet 32, by the work of the first annular magnet 31 and the second annular magnet 32 two like magnetic poles repel each other in order to make diametrically can be contactless relative fixing between the rear end of ultrasonic transformer 21 and handle of a knife housing 10.
In the present embodiment, second annular magnet 32 is socketed in outer and its bottom face of ultrasonic transformer 21 and is abutted against mutually with piezoelectric ceramics 41 upper surface, separately be provided with fixed cover 24 and locking part 25, fixed cover 24 is socketed in outer and its bottom face of ultrasonic transformer 21 and is abutted against mutually with the top end face of second step face 23 and the second annular magnet 32, locking part 25 by fixed cover 24, second annular magnet 32 together with ultrasonic transformer 21 interlocking.
In the present embodiment, described locking part 25 is bolt, and the nut contact of bolt is at the top end face of fixed cover 24, and the screw rod of bolt to stretch in screw 26 and coordinates with screw 26 bolt.
During use, the rear end of handle of a knife housing 10 and motors connect and rotate in a circumferential direction under the driving of motor, and before ultrasonic transformer 21, end winding support has machining tool.By the work of the first annular magnet and the second annular magnet two like magnetic poles repel each other in order to make diametrically can be contactless relative fixing between the rear end of ultrasonic transformer and handle of a knife housing, improve stability and the radial rigidity of ultrasonic system, and then improve machining accuracy; And the rear end of handle of a knife shell and ultrasonic transformer is contactless, the transmission of its axial ultrasonic vibration wave can not be affected, also can not cause loss and the system heating of ultrasonic energy.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (8)
1. an annular magnet magnetic supporting rotary ultrasonic Knife handle structure, it comprises lathe, rotate the handle of a knife housing (10) being installed in lathe and the ultrasonic system be installed in handle of a knife housing (10), ultrasonic system comprises ultrasonic transformer (21), front end and the handle of a knife housing (10) of ultrasonic transformer (21) are fixedly connected, it is characterized in that: it also comprises second annular magnet (32) of the first annular magnet (31) being installed in handle of a knife housing (10) and the rear end being installed in ultrasonic transformer (21), second annular magnet (32) is positioned at the first annular magnet (31), and the polarity of the inner face of the first annular magnet (31) is identical with the polarity of the outer peripheral face of the second annular magnet (32), by the work of the first annular magnet (31) and the second annular magnet (32) two like magnetic poles repel each other in order to make diametrically can be contactless relative fixing between the rear end of ultrasonic transformer (21) and handle of a knife housing (10).
2. a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure according to claim 1, it is characterized in that: the rear inner wall of described handle of a knife housing (10) is provided with the groove (17) of annular, and described first annular magnet (31) is fixedly installed in groove (17).
3. a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure according to claim 1, it is characterized in that: described ultrasonic system also comprises and is socketed in ultrasonic transformer (21) piezoelectric ceramics outward (41), the periphery, rear end of ultrasonic transformer (21) is provided with First terrace (22) and second step face (23), piezoelectric ceramics (41) lower surface is abutted against mutually with First terrace (22), second annular magnet (32) be socketed in ultrasonic transformer (21) outward and its bottom face be abutted against mutually with piezoelectric ceramics (41) upper surface, separately be provided with fixed cover (24) and locking part (25), fixed cover (24) be socketed in ultrasonic transformer (21) outward and its bottom face be abutted against mutually with the top end face of second step face (23) and the second annular magnet (32), locking part (25) is by fixed cover (24), second annular magnet (32) and ultrasonic transformer (21) interlocking are together.
4. a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure according to claim 3, it is characterized in that: described locking part (25) is bolt, the rear end of ultrasonic transformer (21) offers screw (26) extending longitudinally, the top end face of nut contact in fixed cover (24) of bolt, the screw rod of bolt to stretch in screw (26) and coordinates with screw (26) bolt.
5. a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure according to claim 1, it is characterized in that: the front inner wall of described handle of a knife housing (10) is provided with the 3rd step surface (13), the periphery, front end of described ultrasonic transformer (21) is provided with bulge loop (27), the top end face of bulge loop (27) is abutted against mutually with the 3rd step surface (13), separately be provided with fixed cap (28), this fixed cap (28) be resisted against bulge loop (27) bottom face and with the inwall phase tight fit of handle of a knife housing (10).
6. a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure according to claim 1, it is characterized in that: described ultrasonic system also comprises piezoelectric ceramics (41), first induction coil, second induction coil (42) and wire (44), piezoelectric ceramics (41) is installed on ultrasonic transformer (21), first induction coil is installed on lathe, it is upper and corresponding with the first induction coil that second induction coil (42) is installed in handle of a knife housing (10), wire (44) connects piezoelectric ceramics (41) and the second induction coil (42), first induction coil is by transfer of ultrasonic energy to the second induction coil (42), second induction coil (42) by wire (44) by transfer of ultrasonic energy to piezoelectric ceramics (41) with make piezoelectric ceramics (41) produce ultrasonic vibration so that make ultrasonic transformer (21) produce ultrasonic vibration.
7. a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure according to claim 6, it is characterized in that: described second induction coil (42) is socketed in the rearward end periphery of handle of a knife housing (10), the wire guide (14) run through inside and outside handle of a knife housing (10) is offered in handle of a knife housing (10) rear end, and wire (44) is through wire guide (14).
8. a kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure as claimed in any of claims 1 to 7, it is characterized in that: described handle of a knife housing (10) comprises procapsid (15) and back casing (16), be fixed by bolt (18) between procapsid (15) and back casing (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746225.7U CN204367179U (en) | 2014-12-02 | 2014-12-02 | A kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746225.7U CN204367179U (en) | 2014-12-02 | 2014-12-02 | A kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204367179U true CN204367179U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746225.7U Withdrawn - After Issue CN204367179U (en) | 2014-12-02 | 2014-12-02 | A kind of annular magnet magnetic supporting rotary ultrasonic Knife handle structure |
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| CN (1) | CN204367179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441259A (en) * | 2014-12-02 | 2015-03-25 | 华侨大学 | Rotating ultrasonic tool shank structure supported by magnetic force of annular magnets |
| CN105397920A (en) * | 2015-10-21 | 2016-03-16 | 清华大学 | Giant magnetostrictive rotary ultrasonic vibration knife handle |
-
2014
- 2014-12-02 CN CN201420746225.7U patent/CN204367179U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441259A (en) * | 2014-12-02 | 2015-03-25 | 华侨大学 | Rotating ultrasonic tool shank structure supported by magnetic force of annular magnets |
| CN105397920A (en) * | 2015-10-21 | 2016-03-16 | 清华大学 | Giant magnetostrictive rotary ultrasonic vibration knife handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |