CN106694932A - General frequency matching longitudinal-torsional compound ultrasonic vibration milling and drilling device - Google Patents
General frequency matching longitudinal-torsional compound ultrasonic vibration milling and drilling device Download PDFInfo
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- CN106694932A CN106694932A CN201710143450.XA CN201710143450A CN106694932A CN 106694932 A CN106694932 A CN 106694932A CN 201710143450 A CN201710143450 A CN 201710143450A CN 106694932 A CN106694932 A CN 106694932A
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- 238000003801 milling Methods 0.000 title claims abstract description 24
- 150000001875 compounds Chemical class 0.000 title abstract description 7
- 238000005553 drilling Methods 0.000 title abstract description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000001939 inductive effect Effects 0.000 claims description 39
- 239000002131 composite material Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 7
- 238000002604 ultrasonography Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 229910000997 High-speed steel Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
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- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B37/00—Boring by making use of ultrasonic energy
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Abstract
The invention discloses a general frequency matching longitudinal-torsional compound ultrasonic vibration milling and drilling device. The device comprises a machine tool main shaft, a main shaft shell, an ultrasonic power supply, an ultrasonic wireless electric energy transmission system, a mounting cylinder, a sleeve, a longitudinal ultrasonic vibration transducer, a hollow spiral groove amplitude change rod, an elastic chuck, a pressing nut and a cutter. The device adjusts the positions of a rubber plug and a sealing ring to change the volume of a fluid in a cylindrical groove or to replace the type of the fluid so as to change the mass of a longitudinal-torsional compound ultrasonic vibrator to compensate the frequency loss or increment in clamping of different cutter rods; and when the different cutter rods are clamped, the consistency of the resonant frequency, the vibration mode and the vibration shape of an ultrasonic device is realized, and the generality of the device is greatly improved. The longitudinal vibration and torsional vibration effects are both enhanced to a certain extent; the working efficiency is greatly improved; and the advantages of longitudinal-torsional compound vibration are preferably exerted.
Description
Technical field
Indulge-turn round the invention belongs to accurate, ultraprecise finishing technology field, more particularly to a kind of universal frequency matched
Composite ultraphonic vibration milling, drill unit.
Background technology
Compared with common process, ultrasonic vibrating machining has reduces cutting force, reduce tool wear, raising workpiece surface adds
The advantages of work precision and raising processing efficiency.Traditional Ultrasonic machining is mostly single vibration pattern, however as Ultrasonic machining skill
The development of art and updating for equipment, vertical-to turn round, vertical-curved and turn round-composite vibrational mode such as curved also obtained extensive pass
Note.Research shows that the milling that ultrasound is indulged-turned round under composite vibrational mode can further reduce the cutting force during cutting, carry
The efficiency and precision of height processing, increases the rigidity of vibrational system and the wearability of cutter.
Currently, realize that longitudinal-torsional composite ultrasonic vibration mainly there are two methods, one is that piezoelectric ceramics tangentially polarizes, but skill
It is difficult to realize in art, usual way is that piezoelectric ceramic piece first is cut into some fanning strips, afterwards respectively by each sector pressure
Electroceramics piece shear-polarization, then each fan-shaped piezoelectric ceramic piece is bonded, this kind of method complex process, percent defective is very high,
It is also easy to the problems such as incomplete potsherd polarization, electrical breakdown occur, it is difficult to produce preferable transducer；Two is to ultrasonic transformer
Structure carries out particularization design, is found such as in oblique slot type, but practical application, but the method torsional oscillation component is small, fails abundant profit
The advantage vibrated with longitudinal-torsional composite ultrasonic, processing efficiency is relatively low, is restricted processing effect.
At present, due to the limitation of processing conditions and resonant frequency, indulge-turn round composite ultraphonic milling, drill unit versatility compared with
Difference, to the tool bar for clamping（Milling cutter, drill bit etc.）Limitation it is more harsh.Clamp different materials, the tool bar of diameter and work
Having the extension elongation of bar can all influence the resonant frequency of Vltrasonic device, and ultrasonic vibrator in other modal vibrations, shake by ultrasonic vibration
Shape changes, and the processing to workpiece causes large effect, so a set of indulge-turn round composite ultraphonic milling, drill unit often only
Several even a kind of tool materials, diameter are confined to, versatility is poor.But in reality processing, need various cutting element bars to match somebody with somebody
Conjunction is used, therefore needs multiple vertical-torsion composite ultraphonic millings, drill unit, significantly increases processing cost, reduces processing efficiency.
The content of the invention
The present invention is in order to solve weak point of the prior art, there is provided a kind of universal frequency matched is indulged-turn round compound
Ultrasonic vibration milling, drill unit, the device by the change to the quality with tool bar ultrasonic vibrator, to different materials, diameter
Milling cutter and drill bit carry out appropriate frequency compensation, device is being required operation at frequencies, the versatility of device is greatly improved；
The device uses screw groove type ultrasonic vibrator, increases longitudinal component and torsional component, efficiency high, working stability.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：A kind of universal frequency matched is indulged-turns round multiple
Close ultrasonic vibration milling, drill unit, including machine tool chief axis, main shaft shell, ultrasonic power, ultrasonic radio energy transmission system,
Mounting cylinder, sleeve, longitudinal ultrasonic vibration transducer, cored screw plough groove type ultrasonic transformer, collet, clamp nut and cutter；
The clutch end of machine tool chief axis is set vertically downward, machine tool chief axis, mounting cylinder, sleeve, cored screw plough groove type luffing
Bar and there is same centre of gyration line with cutter, machine tool chief axis lower end and the coaxial drive connection in mounting cylinder upper end, mounting cylinder
Main shaft shell is stretched out in bottom, and upper cartridge is enclosed within main shaft shell bottom, and upper cartridge outside is by anchor ear and main shaft shell bottom
It is fastenedly connected, ultrasonic radio energy transmission system is detachably connected between sleeve lower end and mounting cylinder upper outside, longitudinal direction is super
Acoustic vibration transducer is arranged in mounting cylinder, and cored screw plough groove type ultrasonic transformer upper end passes through stud and longitudinal ultrasonic vibration
Transducer lower end is coaxial to be fixedly connected, and cored screw plough groove type ultrasonic transformer is provided with mounting disc, and mounting disc passes through installation bolt
The lower surface of mounting cylinder is fixedly connected on, cutter upper end general purpose resilient chuck is arranged on cored screw plough groove type ultrasonic transformer lower end
Portion, clamp nut is enclosed within outside the knife bar of cutter and is fastenedly connected with cored screw plough groove type ultrasonic transformer lower end external screw-thread；
Ultrasonic power is connected by power line with ultrasonic radio energy transmission system.
Ultrasonic radio energy transmission system includes the fixed inductive disks and rotary inductive disk in cirque structure, fixed sense
Should coil and be enclosed within outside rotary inductive disk, fixed inductive disks are fixedly installed on sleeve lower surface, rotary inductive disk by fastening bolt
It is enclosed within outside mounting cylinder, rotary inductive disk lower surface is provided with adapter sleeve, adapter sleeve is connected by trip bolt with drum outer wall is installed,
Fixed inductive disks inner ring offers the open outer annular groove in inner side, and rotary inductive disk outer ring offers the open annular in outside
Groove, is provided with fixed magnetic core and coil in outer annular groove, rotary magnetic core and coil, rotary magnetic core and line are provided with interior annular groove
Circle and fixed magnetic core and coil are located at same level and inside and outside are correspondingly arranged；
Fixed inductive disks outside is provided with aviation plug, and the power line of ultrasonic power is connected with aviation plug；Mounting cylinder sidepiece
Perforation is offered, is connected by the wire through perforation between rotary inductive disk and longitudinal ultrasonic vibration transducer.
Longitudinal ultrasonic vibration transducer includes transducer body, is disposed with four laminations on transducer body from top to bottom
Electroceramics piece, transducer body top compresses four layers of piezoelectric ceramic piece by pretension bolt, and piezoelectric ceramic piece outside is connected with electricity
Pole piece, electrode slice is connected with described wire, and transducer body following side offers upper ejector lever draw-in groove；
Cored screw plough groove type ultrasonic transformer includes the upper cylindrical section, middle conical section and the lower cylindrical section that set gradually from top to bottom, on
The external diameter of cylindrical section is equal to the external diameter of middle conical section upper end, and the external diameter of middle conical section lower end is equal to the external diameter of lower cylindrical section, middle circle
Cone section is in upper coarse and lower fine structure, and upper cylindrical section sidepiece offers lower ejector lever draw-in groove, and mounting disc is arranged on the outside of cylindrical section,
Middle conical section along the circumferential direction uniformly opens up four can make longitudinal vibration be converted to the helicla flute for reversing complex vibration, and each helicla flute is equal
Helically arrange vertically, spiral groove deep and groove width are respectively 6mm and 8mm.
Middle conical section and lower cylindrical section offer the cylinder that a diameter of 10mm, length are 44mm along axis upwards by lower end
Groove, is injected with counterweight liquid in cylinder groove, the rubber stopper and sealing ring for blocking and sealing counterweight liquid are provided with cylinder groove；Circle
It is the bell-mouth structure of air coordinated with collet at the lower port of post groove.
Using above-mentioned technical proposal, the present invention has following technique effect：
1st, to ensure connection reliability, tool changing is convenient, and milling cutter is clamped by the way of general ER collets, and clamp nut is used
Fine thread, it is ensured that the reliability of connection.
2nd, spiral groove deep and groove width are respectively 6mm and 8mm, and torsional component is larger, and cylinder groove is constant in area coefficient
In the case of, ultrasonic transformer amplification coefficient is increased, extensional vibration and twisting vibration effect are enhanced, it is more beneficial for indulging-turning round compound super
The application of acoustic vibration.The counterweight liquid of different densities is injected in cylinder groove（Water, kerosene etc.）, it is close using rubber stopper and sealing ring
Envelope leakproof.Because the extension elongation that ultrasonic transformer clamps different materials, the tool bar of diameter and tool bar can all influence the present apparatus
Resonant frequency.When different tool bars are clamped, the quality of ultrasonic vibrator changes, by adjusting rubber stopper and sealing ring
Position change fluid volume in cylinder groove, or change species of fluid etc., with change it is vertical-turn round the matter of composite ultraphonic oscillator
Amount, the loss or increase of frequency when clamping different tool bars to compensate, so that when realizing clamping different tool bars, ultrasound dress
The uniformity of the resonant frequency, mode of oscillation and shape of shaking put, substantially increases the versatility of device.
By injecting or extracting the counterweight liquid in cylinder groove, change the quality that composite oscillator was indulged-turned round to ultrasound, make oscillator
Resonant frequency changes.Because change is the volume of counterweight liquid, the quality and resonant frequency of oscillator can within the scope of one
" electrodeless adjustment " is carried out, result is imitated with reference to ANSYS finite elements, be capable of achieving to the mode of oscillation of Vltrasonic device and shake shape accurately
Controllableization.
3rd, ultrasonic power sends pulse electrical signal, and electric signal flows into ultrasonic wireless electric energy transmission device, causes nothing first
Line transmitting device fixes inductive disks and rotary inductive disk occurs electromagnetic induction, and the electric current that rotary inductive disk is produced reaches vertical through wire
To single-excitation ultrasonic oval vibration energy converter, there is inverse piezoelectric effect and the electric signal of high frequency oscillation be converted into simple harmonic quantity in longitudinal ultrasonic vibration transducer
The mechanical wave of vibration, last simple harmonic quantity mechanical wave realizes Amplitude amplification and reaches cutter through ultrasonic transformer.In middle conical section circumferencial direction
Helicla flute is evenly arranged, when compressional wave passes to spiral groove location, because helicla flute effect makes compressional wave there occurs conversion.Stress wave exists
Oscillating component is axially produced with circumferencial direction, the stress wave propagation of superposition is produced to the output end for passing ultrasonic transformer indulges-turn round compound shaking
It is dynamic.
4th, cylinder groove is offered along axis in middle conical section and lower cylindrical section, by ANSYS Finite Element Simulation Analysis and examination
Checking, the ultrasonic transformer amplification coefficient in the present apparatus is improved than the amplification coefficient of the ultrasonic transformer that same shape makes just as material
1.3 ~ 1.4 times, its extensional vibration and twisting vibration effect have certain enhancing, substantially increase operating efficiency, preferably hair
Wave the advantage of Hybrid transducer vibration.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is longitudinal cross section structure diagram of longitudinal ultrasonic vibration transducer and cored screw plough groove type ultrasonic transformer in Fig. 1.
Specific embodiment
As depicted in figs. 1 and 2, composite ultraphonic vibration milling, drilling dress are indulged-turned round to a kind of universal frequency matched of the invention
Put, including it is machine tool chief axis 1, main shaft shell 2, ultrasonic power 3, ultrasonic radio energy transmission system, mounting cylinder 4, sleeve 5, vertical
To single-excitation ultrasonic oval vibration energy converter 6, cored screw plough groove type ultrasonic transformer 7, collet 8, clamp nut 9 and cutter 10（Slotting cutter）.
The clutch end of machine tool chief axis 1 is set vertically downward, machine tool chief axis 1, mounting cylinder 4, sleeve 5, cored screw ditch
Slot type ultrasonic transformer 7 and there is same centre of gyration line, the lower end of machine tool chief axis 1 and the coaxial biography in the upper end of mounting cylinder 4 with cutter 10
Main shaft shell 2 is stretched out in dynamic connection, the bottom of mounting cylinder 4, and the top of sleeve 5 is enclosed within the bottom of main shaft shell 2, and the upper outside of sleeve 5 passes through
Anchor ear 11 is fastenedly connected with the bottom of main shaft shell 2, and ultrasonic radio energy transmission system is detachably connected on the lower end of sleeve 5 and installation
Between 4 upper outsides of cylinder, longitudinal ultrasonic vibration transducer 6 is arranged in mounting cylinder 4, the upper end of cored screw plough groove type ultrasonic transformer 7
It is fixedly connected by the way that stud 12 is coaxial with the lower end of longitudinal ultrasonic vibration transducer 6, on cored screw plough groove type ultrasonic transformer 7
Mounting disc 13 is provided with, mounting disc 13 is fixedly connected on the lower surface of mounting cylinder 4, the general bullet in the upper end of cutter 10 by installation bolt 14
Property chuck 8 be arranged on the bottom of cored screw plough groove type ultrasonic transformer 7, clamp nut 9 be enclosed within cutter 10 knife bar it is outer and with it is hollow
The lower end external screw-thread of screw groove type ultrasonic transformer 7 is fastenedly connected.
Ultrasonic power 3 is connected by power line 15 with ultrasonic radio energy transmission system.
Ultrasonic radio energy transmission system includes the fixed inductive disks 16 and rotary inductive disk 17 in cirque structure, Gu
Determine inductive disks 16 to be enclosed within outside rotary inductive disk 17, fixed inductive disks 16 are fixedly installed on the lower end of sleeve 5 by fastening bolt 18
Face, rotary inductive disk 17 is enclosed within outside mounting cylinder 4, and the lower surface of rotary inductive disk 17 is provided with adapter sleeve 19, and adapter sleeve 19 is by tight
Gu screw 20 is connected with the outer wall of mounting cylinder 4, the fixed inner ring of inductive disks 16 offers the open outer annular groove in inner side, rotary inductive disk
17 outer rings offer the open interior annular groove in outside, and fixed magnetic core and coil 21 are provided with outer annular groove, are set in interior annular groove
It is equipped with rotary magnetic core and coil 22, rotary magnetic core and coil 22 and fixed magnetic core and coil 21 are located at same level and inside and outside right
Should set.
The fixed outside of inductive disks 16 is provided with aviation plug 23, and power line 15 and the aviation plug 23 of ultrasonic power 3 connect
Connect；The sidepiece of mounting cylinder 4 offers perforation 24, by through perforation between rotary inductive disk 17 and longitudinal ultrasonic vibration transducer 6
24 wire 25 is connected.
Longitudinal ultrasonic vibration transducer 6 includes transducer body 26, is disposed with from top to bottom on transducer body 26
Four layers of piezoelectric ceramic piece 27, the top of transducer body 26 compresses four layers of piezoelectric ceramic piece 27, piezoelectric ceramics by pretension bolt 39
The outside of piece 27 is connected with electrode slice 28, and electrode slice 28 is connected with described wire 25, and the following side of transducer body 26 offers
Spanner draw-in groove 29.
Cored screw plough groove type ultrasonic transformer 7 include set gradually from top to bottom upper cylindrical section 30, middle conical section 31 and under
Cylindrical section 32, the external diameter of upper cylindrical section 30 is equal to the external diameter of the upper end of middle conical section 31, and the external diameter of the lower end of middle conical section 31 is equal to down
The external diameter of cylindrical section 32, middle conical section 31 is in upper coarse and lower fine structure, and the sidepiece of upper cylindrical section 30 offers lower ejector lever draw-in groove 33, is pacified
Sabot 13 is arranged on the outside of cylindrical section 30, and middle conical section 31 along the circumferential direction uniformly opens up four can make longitudinal vibration be converted to torsion
Turn the helicla flute 34 of complex vibration, each helicla flute 34 helically arranges that the groove depth of helicla flute 34 and groove width are respectively vertically
6mm and 8mm.
Middle conical section 31 and lower cylindrical section 32 offer the circle that a diameter of 10mm, length are 44mm along axis upwards by lower end
It is injected with post groove 35, cylinder groove 35 in counterweight liquid 36, cylinder groove 35 and is provided with the rubber for blocking and sealing counterweight liquid 36
Plug 37 and sealing ring 38；It is the bell-mouth structure of air coordinated with collet 8 at the lower port of cylinder groove 35.
Ultrasonic power 3 sends pulse electrical signal, and electric signal flows into ultrasonic radio energy transmission system, causes ultrasound first
There is electromagnetic induction, the electricity that rotary inductive disk 17 is produced in the fixed inductive disks 16 and rotary inductive disk 17 of radio energy transmission system
Flow through wire 25 and reach longitudinal ultrasonic vibration transducer 6, longitudinal ultrasonic vibration transducer 6 occurs inverse piezoelectric effect by high frequency oscillation
Electric signal be converted into the mechanical wave of simple harmonic oscillation, last simple harmonic quantity mechanical wave realizes amplitude through cored screw plough groove type ultrasonic transformer 7
Amplify and reach cutter 10.
Clamp for convenience, under being offered respectively on cored screw plough groove type ultrasonic transformer 7 and longitudinal ultrasonic vibration transducer 6
Spanner draw-in groove 33 and upper ejector lever draw-in groove 29；Rotary inductive disk 17 is connected with electrode slice 28, after energization, four compressed by pretension bolt
Piece piezoelectric ceramic piece 27 can produce the longitudinal extension of certain frequency to vibrate due to the effect of inverse piezoelectric effect, luffing bar body with
Transducer body 26 is connected by stud 12, and extensional vibration is delivered into ultrasonic transformer body tip, and the vibration of generation is along change
Width bar continues to propagate, because the effect of helicla flute 34 makes compressional wave there occurs conversion.Stress wave produces vibration in axial direction and circumferencial direction
Component, stress wave propagation to the output end of progress of disease width bar body of superposition produces vertical-torsion complex vibration, so as in the cutter for clamping
Vertical-torsion complex vibration is exported on 10.
Needing to fix under processing request of the ultrasonic vibration frequency with shape of shaking：When changing tool bar, if tool bar is clamped stretching
Amount long is constant, measures two kinds of differences of the quality of tool bar, by the liquid in the cylinder groove 35 for injecting or extracting phase homogenous quantities,
To match the change of the quality of ultrasonic vibrator, make the resonant frequency of device before and after replacing tool bar constant, it is ensured that super before and after changing
Sound and vibration vibrates under same mode, and its shape of shaking is consistent；If after changing tool bar, tool bar clamps length and changes,
The elongation of two kinds of tool bars of measurement and the difference of quality, it is theoretical with reference to Transformer design, according to " elongation difference → resonant frequency
Sequentially, the influence equivalent by the difference of elongation to resonant frequency is converted into quality difference value for the conversion of difference → quality difference value ", knot
Two quality difference values are closed, changes the quality of the liquid of cylinder groove 35, matching is indulged-turned round the resonant frequency of composite ultraphonic oscillator, makes it
Vibrated under identical resonant frequency mode, obtain with change identical ultrasound before tool bar it is vertical-Torsional Vibration shakes shape.It is quick
With device frequency, with reference to Transformer design theory and ANSYS FEM Numerical Simulations, made for conventional milling cutter, drill bit etc.
" different tool bars and overhang frequency matching parameter table ", as shown in table 1.
The different tool bars of table 1 and overhang frequency matching parameter table
| Former tool bar model | Existing knife bar model | Elongation difference | Quality difference value | The total difference of quality |
| The carbide-tipped milling cutters of ф 6 | The high-speed steel milling cutters of ф 6 | 2mm | 2.64g | 7.84g |
| The high-speed steel milling cutters of ф 6 | The high-speed steel milling cutters of Ф 8 | 2mm | 1.85g | 1.85g |
In the case where processing request of the special ultrasonic vibration frequency with shape of shaking is needed：In the case where tool bar is changed without, due to processing
The limitation of condition or cutter bar material and length, tool bar elongation cannot be further change in.Adjustment rubber stopper 37 and sealing ring
38 position, it is limited with reference to Transformer design theory and ANSYS by injecting or extracting the counterweight liquid 36 in cylinder groove 35
First simulation result, changes the quality that composite oscillator was indulged-turned round to ultrasound, oscillator resonant frequency is changed, to obtain different ultrasounds
The vibration of device is shaken shape.Because change is the volume of liquid, the quality and resonant frequency of oscillator can carry out " nothing within the scope of one
Pole adjusts ", it is capable of achieving the mode of oscillation and accurately controllableization of shape of shaking to Vltrasonic device.In reality processing, for conventional
Milling cutter, drill bit etc., with reference to Transformer design is theoretical and ANSYS FEM Numerical Simulations, corresponding " same tool bar can be made
Different modalities parameter list ", realizes when different tool bars are changed, the Rapid matching of resonant frequency.
Same tool bar different modalities parameter list
The present embodiment not makees any formal limitation to shape of the invention, material, structure etc., every according to of the invention
Any simple modification, equivalent variations and modification that technical spirit is made to above example, belong to technical solution of the present invention
Protection domain.
Claims (4)
1. composite ultraphonic vibration milling, drill unit are indulged-turned round to a kind of universal frequency matched, it is characterised in that：Including lathe master
Axle, main shaft shell, ultrasonic power, ultrasonic radio energy transmission system, mounting cylinder, sleeve, longitudinal ultrasonic vibration transducer, sky
Heart screw groove type ultrasonic transformer, collet, clamp nut and cutter；
The clutch end of machine tool chief axis is set vertically downward, machine tool chief axis, mounting cylinder, sleeve, cored screw plough groove type luffing
Bar and there is same centre of gyration line with cutter, machine tool chief axis lower end and the coaxial drive connection in mounting cylinder upper end, mounting cylinder
Main shaft shell is stretched out in bottom, and upper cartridge is enclosed within main shaft shell bottom, and upper cartridge outside is by anchor ear and main shaft shell bottom
It is fastenedly connected, ultrasonic radio energy transmission system is detachably connected between sleeve lower end and mounting cylinder upper outside, longitudinal direction is super
Acoustic vibration transducer is arranged in mounting cylinder, and cored screw plough groove type ultrasonic transformer upper end passes through stud and longitudinal ultrasonic vibration
Transducer lower end is coaxial to be fixedly connected, and cored screw plough groove type ultrasonic transformer is provided with mounting disc, and mounting disc passes through installation bolt
The lower surface of mounting cylinder is fixedly connected on, cutter upper end general purpose resilient chuck is arranged on cored screw plough groove type ultrasonic transformer lower end
Portion, clamp nut is enclosed within outside the knife bar of cutter and is fastenedly connected with cored screw plough groove type ultrasonic transformer lower end external screw-thread；
Ultrasonic power is connected by power line with ultrasonic radio energy transmission system.
2. composite ultraphonic vibration milling, drill unit are indulged-turned round to a kind of universal frequency matched according to claim 1, its
It is characterised by：Ultrasonic radio energy transmission system includes the fixed inductive disks and rotary inductive disk in cirque structure, fixed
Inductive disks are enclosed within outside rotary inductive disk, and fixed inductive disks are fixedly installed on sleeve lower surface, rotary inductive by fastening bolt
Disk is enclosed within outside mounting cylinder, and rotary inductive disk lower surface is provided with adapter sleeve, and adapter sleeve is connected by trip bolt with drum outer wall is installed
Connect, fixed inductive disks inner ring offers the open outer annular groove in inner side, rotary inductive disk outer ring offers the open inner ring in outside
Shape groove, is provided with fixed magnetic core and coil in outer annular groove, be provided with rotary magnetic core and coil in interior annular groove, rotary magnetic core and
Coil and fixed magnetic core and coil are located at same level and inside and outside are correspondingly arranged；
Fixed inductive disks outside is provided with aviation plug, and the power line of ultrasonic power is connected with aviation plug；Mounting cylinder sidepiece
Perforation is offered, is connected by the wire through perforation between rotary inductive disk and longitudinal ultrasonic vibration transducer.
3. composite ultraphonic vibration milling, drill unit are indulged-turned round to a kind of universal frequency matched according to claim 1 and 2,
It is characterized in that：Longitudinal ultrasonic vibration transducer includes transducer body, is disposed with four on transducer body from top to bottom
Layer piezoelectric ceramic piece, transducer body top compresses four layers of piezoelectric ceramic piece, the connection of piezoelectric ceramic piece outside by pretension bolt
There is electrode slice, electrode slice is connected with described wire, and transducer body following side offers upper ejector lever draw-in groove；
Cored screw plough groove type ultrasonic transformer includes the upper cylindrical section, middle conical section and the lower cylindrical section that set gradually from top to bottom, on
The external diameter of cylindrical section is equal to the external diameter of middle conical section upper end, and the external diameter of middle conical section lower end is equal to the external diameter of lower cylindrical section, middle circle
Cone section is in upper coarse and lower fine structure, and upper cylindrical section sidepiece offers lower ejector lever draw-in groove, and mounting disc is arranged on the outside of cylindrical section,
Middle conical section along the circumferential direction uniformly opens up four can make longitudinal vibration be converted to the helicla flute for reversing complex vibration, and each helicla flute is equal
Helically arrange vertically, spiral groove deep and groove width are respectively 6mm and 8mm.
4. composite ultraphonic vibration milling, drill unit are indulged-turned round to a kind of universal frequency matched according to claim 3, its
It is characterised by：Middle conical section and lower cylindrical section offer the cylinder that a diameter of 10mm, length are 44mm along axis upwards by lower end
Groove, is injected with counterweight liquid in cylinder groove, the rubber stopper and sealing ring for blocking and sealing counterweight liquid are provided with cylinder groove；Circle
It is the bell-mouth structure of air coordinated with collet at the lower port of post groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710143450.XA CN106694932B (en) | 2017-03-11 | 2017-03-11 | A kind of universal frequency matched is vertical-turn round composite ultraphonic vibration milling, drill unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143450.XA CN106694932B (en) | 2017-03-11 | 2017-03-11 | A kind of universal frequency matched is vertical-turn round composite ultraphonic vibration milling, drill unit |
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| CN106694932A true CN106694932A (en) | 2017-05-24 |
| CN106694932B CN106694932B (en) | 2019-02-15 |
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| CN108787407A (en) * | 2018-05-31 | 2018-11-13 | 河南理工大学 | Single excitation matched become spiral it is vertical-turn round composite ultraphonic vibration processing method and device |
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