CN210908145U - Push-pull type double-bending ultrasonic elliptical vibration cutting device - Google Patents
Push-pull type double-bending ultrasonic elliptical vibration cutting device Download PDFInfo
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- CN210908145U CN210908145U CN201921316437.0U CN201921316437U CN210908145U CN 210908145 U CN210908145 U CN 210908145U CN 201921316437 U CN201921316437 U CN 201921316437U CN 210908145 U CN210908145 U CN 210908145U
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- cutter bar
- pull
- vibration cutting
- elliptical vibration
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Abstract
The utility model provides a two crooked ultrasonic elliptical vibration cutting device of push-pull, including the knife rest base, set up in back support, preceding support on the knife rest base, set up in back cutter arbor on the back support, set up in preceding cutter arbor on the preceding support, set up in back cutter arbor with two-way push-pull transducer between the preceding cutter arbor and set up in the tool bit of preceding cutter arbor front end. The push-pull structure is adopted, the output power can be effectively improved, and the bidirectional push-pull transducer is not easy to heat in a connection mode with the front cutter bar and the rear cutter bar; the structure is completely symmetrical, so that the parameter design is convenient; the front cutter bar and the rear cutter bar are designed in a segmented manner, so that later-stage adjustment can be facilitated, and the amplitude variation of bending vibration can be realized by adopting different materials for the front cutter bar and the rear cutter bar; the front cutter bar and the rear cutter bar adopt flange structures with return grooves, so that the flange vibration caused by frequency drift can be effectively absorbed, and the reliability of the system during working is higher.
Description
Technical Field
The utility model relates to a cutting technical field especially relates to a two crooked supersound elliptical vibration cutting device of push-pull.
Background
The cutting is widely reacted and used in mechanical production, and the traditional cutting processing has the problems of large cutting force, high temperature, low processing precision and efficiency and the like. Particularly, with the emergence of new materials difficult to process, the traditional processing method and equipment are difficult to meet the requirements of high precision, trace amount and high efficiency processing of new processing materials (such as ceramics, stainless steel, new high strength alloy and the like).
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a two crooked ultrasonic elliptical vibration cutting device of push-pull.
In order to solve the technical problem, the utility model provides a two crooked ultrasonic elliptical vibration cutting device of push-pull, including the knife rest base, set up in back support, preceding support on the knife rest base, set up in back cutter arbor on the back support, set up in preceding cutter arbor on the preceding support, set up in back cutter arbor with two-way push-pull transducer between the preceding cutter arbor and set up in the tool bit of preceding cutter arbor front end.
Further, a rear end cover is arranged on the outer side of the rear support.
Furthermore, the two-way push-pull transducer is of a cross structure and comprises a main body part, four mounting columns uniformly distributed along the periphery of the main body part and piezoelectric ceramic elements arranged on each mounting column, wherein two groups of piezoelectric ceramic elements in the same direction are opposite in polarity, and the main body part is provided with a central hole.
Further, the front cutter bar passes through the central hole and is in threaded connection with the rear cutter bar.
Furthermore, a front flange with an annular groove is arranged on the front cutter bar, and the front cutter bar is installed in the front support through the front flange.
Furthermore, a rear flange with an annular groove is arranged on the rear cutter bar, and the rear cutter bar is installed in the rear support through the rear flange.
Further, the cutter head is fixed to the front end of the front cutter bar by a locking screw.
Furthermore, one end of the tool rest base, which is close to the rear end cover, is provided with a power plug.
The utility model also provides a two crooked ultrasonic elliptic vibration cutting methods of push-pull, the method includes following step:
the method comprises the following steps that firstly, a power supply is switched on, the phase difference of two paths of output signals with the same frequency of the power supply is adjusted and determined, a two-way push-pull type transducer 6 generates vibration, the two-way push-pull type transducer 6 generates resonance in two directions with the same frequency under the inverse piezoelectric effect of piezoelectric ceramics, one side generates tensile deformation, and the other side generates compression deformation to form a push-pull effect;
secondly, under the driving of two push-pull vibrations in two mutually perpendicular directions of the two-way push-pull transducer, the front cutter bar generates bending vibrations in two directions with the same frequency and drives the cutter head at the front end to do elliptic vibration;
and step three, carrying out elliptical vibration cutting on the workpiece by the tool bit.
The push-pull type double-bending ultrasonic elliptical vibration cutting device adopts a push-pull type structure, so that the output power can be effectively improved, and the bidirectional push-pull type transducer is not easy to generate heat in a connection mode with the front cutter bar and the rear cutter bar; the structure of the utility model is completely symmetrical, which is convenient for parameter design; the front cutter bar and the rear cutter bar are designed in a segmented manner, so that later-stage adjustment can be facilitated, and the amplitude variation of bending vibration can be realized by adopting different materials for the front cutter bar and the rear cutter bar; the front cutter bar and the rear cutter bar adopt flange structures with return grooves, so that the flange vibration caused by frequency drift can be effectively absorbed, and the reliability of the system during working is higher.
Drawings
Fig. 1 is a schematic structural view of a push-pull type double-bending ultrasonic elliptical vibration cutting device of the present invention;
FIG. 2 is a schematic view of the cross-sectional direction of the push-pull type double bending ultrasonic elliptical vibration cutting device of the present invention;
labeled as: the tool rest comprises a tool rest base 1, a power plug 11, a rear support 2, a front support 3, a rear tool bar 4, a rear flange 41, a front tool bar 5, a front flange 51, a two-way push-pull type transducer 6, a main body part 61, a mounting column 62, a central hole 63, a tool bit 7, a rear end cover 8 and a locking screw 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the utility model provides a two crooked supersound elliptical vibration cutting device of push-pull, including knife rest base 1, set up in back support 2, preceding support 3 on the knife rest base 1, set up in back cutter arbor 4 on the back support 2, set up in preceding cutter arbor 5 on the preceding support 3, set up in back cutter arbor 4 with two-way push-pull transducer 6 between the preceding cutter arbor 5 and set up in the tool bit 7 of preceding cutter arbor 5 front end.
And a rear end cover 8 is arranged on the outer side of the rear support 2.
The two-way push-pull type transducer 6 is of a cross structure and comprises a main body part 61, four mounting columns 62 uniformly distributed along the periphery of the main body part 61 and piezoelectric ceramic elements arranged on each mounting column 62, wherein two groups of piezoelectric ceramic elements in the same direction are opposite in polarity, and a central hole 63 is formed in the main body part 1.
The front cutter bar 5 passes through the central hole 63 and is in threaded connection with the rear cutter bar 4.
The front cutter bar 5 is provided with a front flange 51 with an annular groove, and the front cutter bar 5 is arranged in the front support 3 through the front flange 51.
The rear cutter bar 4 is provided with a rear flange 41 with an annular groove, and the rear cutter bar 41 is installed in the rear support 2 through the rear flange 41.
The cutter head 7 is fixed at the front end of the front cutter bar 5 through a locking screw 9.
And a power plug 11 is arranged at one end of the knife rest base 1 close to the rear end cover 8.
The utility model also provides a two crooked ultrasonic elliptic vibration cutting methods of push-pull, the method includes following step:
the method comprises the following steps that firstly, a power supply is switched on, the phase difference of two paths of output signals with the same frequency of the power supply is adjusted and determined, a two-way push-pull type transducer 6 generates vibration, the two-way push-pull type transducer 6 generates resonance in two directions with the same frequency under the inverse piezoelectric effect of piezoelectric ceramics, one side generates tensile deformation, and the other side generates compression deformation to form a push-pull effect;
secondly, under the driving of two push-pull vibrations in two mutually perpendicular directions of the two-way push-pull transducer 6, the front cutter bar 5 generates bending vibrations in two directions with the same frequency and drives the cutter head 7 at the front end to do elliptic vibration;
and step three, carrying out elliptical vibration cutting on the workpiece by the tool bit 7.
The utility model discloses a two crooked supersound elliptical vibration cutting device theory of operation of push-pull as follows: the two-way push-pull type transducer 6 in the cross shape vibrates under the driving of an ultrasonic power supply, two groups of transducers in the same direction are connected with the same driving signal, the frequencies of the two driving signals in the two mutually perpendicular directions are the same, the phase difference is adjustable, the inherent longitudinal vibration frequencies in the two mutually perpendicular directions are equal due to the symmetry of the structure, the two-way push-pull type transducer 6 generates resonance in the two directions with the same frequency under the inverse piezoelectric effect of piezoelectric ceramics under the driving of the ultrasonic power supply with the same frequency, and one side generates tensile deformation and the other side generates compression deformation under the driving of the same electric signal due to the fact that the installation polarities of the two groups of piezoelectric ceramics in the same direction are opposite, and the push-pull effect is formed; under the drive of two mutually perpendicular push-pull vibrations of the two-way push-pull transducer 6, the front cutter bar 5 generates bending vibrations with the same frequency in two directions, and drives the cutter head 7 at the front end to do the same vibration, and the synthesis of the two vibrations enables the cutter point of the cutter head 7 to generate elliptic vibration, so that the required motion track is realized, and the workpiece is cut. Due to the fact that the front flange 51 is connected with the front cutter bar 5 at a node, the rear flange 41 is connected with the rear cutter bar 4 at a node, and due to the structural design of the circular groove, when the front cutter bar 5 is bent and vibrated by the rear cutter bar 4, the vibration of the outer circle of the rear flange 41 of the front flange 51 is zero, and the front cutter bar 5 and the rear cutter bar 4 can be reliably installed in the front support 3 and the rear support 2.
The push-pull type double-bending ultrasonic elliptical vibration cutting device adopts a push-pull type structure, so that the output power can be effectively improved, and the connecting mode of the bidirectional push-pull type transducer 6, the front cutter bar 5 and the rear cutter bar 4 is not easy to generate heat; the structure of the utility model is completely symmetrical, which is convenient for parameter design; the front cutter bar 5 and the rear cutter bar 4 are designed in a segmented manner, so that later adjustment can be facilitated, and the amplitude of bending vibration can be changed by adopting different materials for the front cutter bar and the rear cutter bar; the front cutter bar 5 and the rear cutter bar 4 adopt flange structures with return grooves, so that the flange vibration caused by frequency drift can be effectively absorbed, and the reliability of the system during working is higher.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.
Claims (8)
1. A push-pull type double-bending ultrasonic elliptical vibration cutting device is characterized in that: including the knife rest base, set up in after-poppet on the knife rest base, preceding support, set up in after-poppet on the after-poppet, set up in preceding cutter arbor on the preceding support, set up in after-poppet with two-way push-pull transducer between the preceding cutter arbor and set up in the tool bit of preceding cutter arbor front end.
2. The push-pull double bending ultrasonic elliptical vibration cutting apparatus of claim 1, characterized in that: and a rear end cover is arranged on the outer side of the rear support.
3. The push-pull double bending ultrasonic elliptical vibration cutting apparatus of claim 1, characterized in that: the bidirectional push-pull type transducer is of a cross structure and comprises a main body part, four mounting columns uniformly distributed along the periphery of the main body part and piezoelectric ceramic elements arranged on each mounting column, wherein two groups of piezoelectric ceramic elements in the same direction are opposite in polarity, and the main body part is provided with a central hole.
4. The push-pull double bending ultrasonic elliptical vibration cutting apparatus as set forth in claim 3, characterized in that: the front cutter bar penetrates through the central hole and is in threaded connection with the rear cutter bar.
5. The push-pull double bending ultrasonic elliptical vibration cutting apparatus of claim 1, characterized in that: the front cutter bar is provided with a front flange with an annular groove, and the front cutter bar is arranged in the front support through the front flange.
6. The push-pull double bending ultrasonic elliptical vibration cutting apparatus of claim 1, characterized in that: the rear cutter bar is provided with a rear flange with an annular groove, and the rear cutter bar is installed in the rear support through the rear flange.
7. The push-pull double bending ultrasonic elliptical vibration cutting apparatus of claim 1, characterized in that: the cutter head is fixed at the front end of the front cutter bar through a locking screw.
8. The push-pull double-bending ultrasonic elliptical vibration cutting apparatus of claim 2, characterized in that: and one end of the knife rest base, which is close to the rear end cover, is provided with a power plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921316437.0U CN210908145U (en) | 2019-08-14 | 2019-08-14 | Push-pull type double-bending ultrasonic elliptical vibration cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921316437.0U CN210908145U (en) | 2019-08-14 | 2019-08-14 | Push-pull type double-bending ultrasonic elliptical vibration cutting device |
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| CN210908145U true CN210908145U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405235A (en) * | 2019-08-14 | 2019-11-05 | 苏州科技大学 | A kind of push-pull type tangent bend ultrasonic elliptical vibratory cutting device and method |
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2019
- 2019-08-14 CN CN201921316437.0U patent/CN210908145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405235A (en) * | 2019-08-14 | 2019-11-05 | 苏州科技大学 | A kind of push-pull type tangent bend ultrasonic elliptical vibratory cutting device and method |
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