CN208592047U - Single excitation matched becomes spiral and indulges-torsion composite ultraphonic vibration processing device - Google Patents
Single excitation matched becomes spiral and indulges-torsion composite ultraphonic vibration processing device Download PDFInfo
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- CN208592047U CN208592047U CN201820834593.5U CN201820834593U CN208592047U CN 208592047 U CN208592047 U CN 208592047U CN 201820834593 U CN201820834593 U CN 201820834593U CN 208592047 U CN208592047 U CN 208592047U
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- helicla flute
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Abstract
Become spiral the utility model discloses a kind of single excitation matched and indulges-torsion composite ultraphonic vibration processing device, it includes reflection end, piezoelectric ceramics, copper electrode and amplitude transformer, setting becomes helicla flute on the external peripheral surface of the transmitting terminal of the amplitude transformer, the change of the Spiral groove parameter can generate different longitrorse vibration amplitude ratios, and, cylinder groove is opened up along axis at the center of the transmitting terminal of the amplitude transformer, it is injected with counterweight liquid in the cylinder groove, closure is provided in the cylinder groove and seals the rubber stopper and sealing ring of the counterweight liquid；Change fluid volume in the cylinder groove by adjusting the position of the rubber stopper and the sealing ring, or the type of replacement fluid, to change the quality of vertical-torsion composite ultraphonic oscillator, the loss or increase of frequency when clamping different tool bars to compensate, when clamping different tool bars to realize, the consistency of the resonance frequency of Vltrasonic device, mode of oscillation and shape of shaking.
Description
Technical field:
The utility model relates to a kind of ultrasonic vibrating machining machinery fields, become spiral shell more particularly to a kind of single excitation matched
- torsion composite ultraphonic vibration processing device is indulged in rotation.
Background technique:
As hard brittle material, especially nano heterogeneous ceramic and metal-base composites process requirements are increasing, power
Ultrasonic machining technology is widely used.Traditional Ultrasonic machining relatively mostly uses single vibration form, as ultrasonic vibration is managed
By with practice continuously improve and it is perfect, the complex vibrations form such as vertical-to turn round, vertical-curved is developed.Studies have shown that in Dan Jili
Vertical-to turn round under composite ultraphonic vibration mode, surface to be machined, milling stability and the tool wear of hard brittle material are significantly changed
It is kind.Different processing demands is answered, difference is required to amplitude transformer end output longitrorse amplitude proportion, by design amplitude transformer
The available different longitrorse Amplitude Ration of different helical groove structures.
Utility model content:
The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide it is a kind of design rationally, energy
It enough realizes best longitrorse vibration amplitude ratio and the single excitation matched for effectively improving Ultrasonic machining system twisting vibration component becomes
Spiral indulges-torsion composite ultraphonic vibration processing device.
The technical solution of the utility model is:
A kind of single excitation matched become spiral it is vertical-turn round composite ultraphonic vibration processing device, including reflection end, piezoelectric ceramics,
Copper electrode and amplitude transformer, setting becomes helicla flute on the external peripheral surface of the transmitting terminal of the amplitude transformer, the Spiral groove parameter
Change can generate different longitrorse vibration amplitude ratios, also, open up at the center of the transmitting terminal of the amplitude transformer along axis
Cylinder groove is injected with counterweight liquid in the cylinder groove, closure is provided in the cylinder groove and seals the counterweight liquid
Rubber stopper and sealing ring；Change fluid body in the cylinder groove by adjusting the position of the rubber stopper and the sealing ring
Product, or the type of replacement fluid, come change it is vertical-turn round the quality of composite ultraphonic oscillator, when clamping different tool bars to compensate
The loss or increase of frequency, thus when realization clamps different tool bars, resonance frequency, mode of oscillation and the vibration shape of Vltrasonic device
Consistency.
The amplitude transformer is conical transition step type complex horn, and conical section opens up the change helical groove structure, and
And wherein conical section and lower cylindrical section by lower end open up the cylinder groove along axis upwards；Alternatively, the amplitude transformer is ladder change
Width bar, big cylindrical section open up the change helical groove structure, increase spiral grooves length, further increase in complex vibration
Torsional component, also, the cylinder groove is opened up in its big cylindrical section.
The bell-mouth structure of air with elastic collet cooperation is opened up at the lower port of the cylinder groove；Utilize six sides outside high intensity
The reflection end, piezoelectric ceramic piece, copper electrode and amplitude transformer are threadedly coupled by connection bolt.
Become the form of helicla flute are as follows: width b, the depth h of helicla flute are designed as definite value, and helixangleβ is designed as gradient pitch
Structure, the expression formula of helixangleβ are as follows:, wherein P is the screw pitch of helicla flute, and D is luffing shank diameter, alternatively, spiral shell
Width b, the helicla flute β of spin slot are designed as definite value, and depth h is designed as grading structure, alternatively, the depth h of helicla flute, helicla flute β
It is designed as definite value, width b is designed as grading structure, alternatively, the depth h of helicla flute is designed as definite value, helicla flute β and width b are set
It is calculated as grading structure, alternatively, the width b of helicla flute is designed as definite value, helicla flute β and depth h are designed as grading structure, alternatively,
The helixangleβ of helicla flute is designed as definite value, and width h and depth h are designed as grading structure, alternatively, the width b of helicla flute, depth h
Grading structure is both designed as with helicla flute β.
The beneficial effects of the utility model are:
1, the utility model list excitation generate extensional vibration the root of conveyor screw and Cylindrical Surfaces Contact be decomposed into along
The vibration of hand of helix and vertical spin line direction.When the vibration frequency of both vibrations and the local buckling of conveyor screw are shaken
When dynamic frequency is close or identical, conveyor screw will generate longitudinal resonance and flexural resonance, and being equivalent to conveyor screw, circumferentially face is turned round
Rotational oscillation is dynamic, but the structural damping of transmitting terminal will cause the extensional vibration of output end and twisting vibration generates phase difference, to realize
Composite ultraphonic vibration is indulged-is turned round in single excitation of tool heads, and optimal longitrorse vibration width can be advantageously implemented by becoming helical groove structure
Value ratio.
2, the utility model has complementary advantages horn,stepped and taper amplitude transformer, and it is compound to form conical transition step type
Amplitude transformer, structure size meet " quarter-wave " design requirement, are guaranteeing larger amplification coefficient simultaneously, it is ensured that luffing
Bar output end has higher vibration amplitude.
3, when clamping different tool bars, the quality of ultrasonic vibrator changes the utility model, by adjusting rubber
It fills in the position of sealing ring and changes fluid volume in cylinder groove, or the type etc. of replacement fluid, vertical-torsion is compound to surpass to change
The quality of sound and vibration, the loss or increase of frequency when clamping different tool bars to compensate clamp different cutters to realize
When bar, the consistency of the resonance frequency of Vltrasonic device, mode of oscillation and shape of shaking substantially increases the versatility of device.
4, the utility model designs helical groove structure in conical section or cylindrical section and realizes that longitudinal vibration mode is shaken to Hybrid transducer
The conversion of dynamic model state becomes helical structure by rationally designing angle gradient, depth gradual change, width gradual change etc. in amplitude transformer, can
To be easier to realize required longitrorse amplitude proportion in production.
5, the utility model designs reasonable, compact-sized, practicability to the carry out integral design of energy converter and amplitude transformer
By force, amplitude output is improved, implementation easy to spread is with good economic efficiency.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram that the utility model becomes that composite ultraphonic vibration amplitude transformer is indulged-turned round to helical structure conical section；
Fig. 2 is the structural schematic diagram that the utility model becomes that composite ultraphonic vibration amplitude transformer is indulged-turned round to helical structure cylindrical section；
Fig. 3 is the axial section of amplitude transformer shown in Fig. 2；
Fig. 4 is the overall diagram that the utility model becomes that composite ultraphonic vibration amplitude transformer is indulged-turned round to helical structure conical section；
Fig. 5 is the utility model conical section helicla flute varying depth structural schematic diagram；
Fig. 6 is that the utility model conical section helicla flute becomes helix angle structure schematic diagram；
Fig. 7 is the utility model conical section helicla flute Trapezoidal structural schematic diagram；
Fig. 8 is that the utility model conical section helicla flute multi-parameter changes structural schematic diagram；
Fig. 9 is the utility model cylindrical section helicla flute varying depth degree structural schematic diagram；
Figure 10 is that the utility model cylindrical section helicla flute becomes helix angle structure schematic diagram；
Figure 11 is the utility model cylindrical section helicla flute Trapezoidal structural schematic diagram；
Figure 12 is that the utility model cylindrical section helicla flute multi-parameter changes structural schematic diagram.
Specific embodiment:
Embodiment: referring to Fig. 1-Figure 12, in figure, 2- sandwich longitudinal vibration transducer, complex horn of the 3- with helicla flute, 4-
Ladder amplitude transformer with helicla flute, 5- counterweight liquid, 6- rubber stopper, 7- sealing ring, 8- connection bolt, 9- reflection end, 10- piezoelectricity
Potsherd, 11- copper electrode, 12- transmitting terminal.
It includes reflection end 9, piezoelectric ceramics 10, copper that single excitation matched, which becomes spiral to indulge-turn round composite ultraphonic vibration processing device,
Electrode 11 and amplitude transformer 12 are serially connected, in which: set on the external peripheral surface of the transmitting terminal of amplitude transformer by connecting bolt 8
Change helicla flute is set, the change of Spiral groove parameter can generate different longitrorse vibration amplitude ratios, also, the transmitting terminal of amplitude transformer
Center at along axis open up cylinder groove, counterweight liquid 5 is injected in cylinder groove, closure is provided in cylinder groove and seals counterweight
The rubber stopper 6 and sealing ring 7 of liquid 5；Since the stretching that amplitude transformer clamps different materials, the tool bar of diameter and tool bar is long
Degree difference can all influence resonance frequency, change fluid volume in cylinder groove by adjusting the position of rubber stopper 6 and sealing ring 7,
Or the type of replacement fluid clamps frequency when different tool bars to compensate to change the quality of vertical-torsion composite ultraphonic oscillator
Loss or increase the resonance frequency of Vltrasonic device, mode of oscillation and shake the one of shape to realize when clamping different tool bars
Cause property.
When amplitude transformer is conical transition step type complex horn 3, conical section opens up change helical groove structure, also, its
Middle conical section and lower cylindrical section open up cylinder groove along axis upwards by lower end；Alternatively, when amplitude transformer is ladder amplitude transformer 4, it is big
Cylindrical section opens up change helical groove structure, increases spiral grooves length, further increases the torsional component in complex vibration, and
And cylinder groove is opened up in its big cylindrical section.
The bell-mouth structure of air with elastic collet cooperation is opened up at the lower port of cylinder groove；Width b, the depth h of its helicla flute
And the parameters such as helixangleβ can be designed as variable element, i.e., by width b, depth h and helixangleβ etc. on the same helicla flute
One or more in parameter is designed as gradual change form, can also will some parameter designing be wherein with amplitude transformer sectional position
X is the function of variable.
Become the form of helicla flute are as follows: width b, the depth h of helicla flute are designed as definite value, and helixangleβ is designed as gradient pitch
Structure, the expression formula of helixangleβ are as follows:, wherein P is the screw pitch of helicla flute, and D is luffing shank diameter, alternatively, spiral shell
Width b, the helicla flute β of spin slot are designed as definite value, and depth h is designed as grading structure, alternatively, the depth h of helicla flute, helicla flute β
It is designed as definite value, width b is designed as grading structure, alternatively, the depth h of helicla flute is designed as definite value, helicla flute β and width b are set
It is calculated as grading structure, alternatively, the width b of helicla flute is designed as definite value, helicla flute β and depth h are designed as grading structure, alternatively,
The helixangleβ of helicla flute is designed as definite value, and width h and depth h are designed as grading structure, alternatively, the width b of helicla flute, depth h
Grading structure is both designed as with helicla flute β.
The utility model by supersonic generator, sandwich longitudinal vibration transducer 2, with become helicla flute complex horn 3 or
With structure compositions such as the ladder amplitude transformers 4 for becoming helicla flute, longitudinal vibration mode is motivated using single, by the way that helicla flute is arranged in amplitude transformer
Mode realize the conversion of mode of oscillation, since to be converted to original longitudinal vibration the reflection of sound wave and refraction action vertical for helicla flute
Turn round complex vibration.When in amplitude transformer use different angle, different in width, different depth helicla flute when, Hybrid transducer luffing
The twisting vibration component and longitudinal vibration component amplitude ratio of device end output will change.
In conjunction with finite element modal analysis and harmonic responding analysis, by correcting ring flange node location, big end small end length, spiral shell
The structural parameters such as spin slot position and shape optimize geometrical model.In conjunction with finite element modal analysis result, realized in transmitting terminal end
The conversion and output of the ultrasonic vibration in " vertical-to turn round " direction.
When replacing tool bar, if tool bar clamps, elongation is constant, measures the difference of the quality of two kinds of tool bars, passes through injection
Or the liquid in the cylinder groove of extraction phase homogenous quantities makes to replace tool bar front and back to match the change of the quality of ultrasonic vibrator
The resonance frequency of device is constant, guarantees that replacement front and back ultrasonic vibrator vibrates under same mode, vibration shape is consistent；If replacement
After tool bar, tool bar clamps length and changes, and measures the elongation of two kinds of tool bars and the difference of quality, sets with reference to amplitude transformer
Meter is theoretical, the sequence by weight of " elongation difference → resonant frequency difference value → quality difference value ", by the difference of elongation to humorous
The influence equivalent of vibration frequency is converted into quality difference value, in conjunction with two quality difference values, changes the quality of the liquid of cylinder groove, matching
The resonance frequency of vertical-torsion composite ultraphonic oscillator, vibrates it under identical resonance frequency mode, before obtaining and replacing tool bar
Identical ultrasound indulges-Torsional Vibration vibration shape.
For stringent application space demand and vibration frequency demand, 1/4 wavelength energy converter can be carried out and 1/4 wavelength is multiple
The integral type Theoretical Design of amplitude transformer is closed, obtains the geometrical model of integral type Hybrid transducer amplitude transformer, and carry out in its transmitting terminal
The above various change helical structure designs.Piezoelectric ceramic piece prestressing force 3000-3500N/cm2, according to the area of piezoelectric ceramic piece and
The cross-sectional area of attachment bolt calculates the pretightning force of integral type Hybrid transducer amplitude transformer, and is applied by measuring spanner for force moment and pre-tightened
Power further fits closely between guarantee faying face.
It is required that each faying face fine grinding, reaches roughness requirements；Adj acent piezoelectric potsherd longitudinal polarization is contrary, piezoelectricity pottery
Using professional adhesive bonding after tile purification, and carry out aging process.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with
Modification, is still within the scope of the technical solutions of the present invention.
Claims (4)
1. a kind of single excitation matched, which becomes spiral, indulges-torsion composite ultraphonic vibration processing device, including reflection end, piezoelectric ceramics, copper
Electrode and amplitude transformer, it is characterized in that: setting becomes helicla flute, the helicla flute on the external peripheral surface of the transmitting terminal of the amplitude transformer
The change of parameter can generate different longitrorse vibration amplitude ratios, also, along axis at the center of the transmitting terminal of the amplitude transformer
Line opens up cylinder groove, and counterweight liquid is injected in the cylinder groove, and closure is provided in the cylinder groove and seals the counterweight
The rubber stopper and sealing ring of liquid；It is flowed by adjusting the position of the rubber stopper and the sealing ring to change in the cylinder groove
Body volume, or the type of replacement fluid clamp different tool bars to change the quality of vertical-torsion composite ultraphonic oscillator with compensation
When frequency loss or increase, to realize when clamping different tool bars, the resonance frequency of Vltrasonic device, mode of oscillation and
The consistency for shape of shaking.
2. single excitation matched according to claim 1, which becomes spiral, indulges-torsion composite ultraphonic vibration processing device, feature
Be: the amplitude transformer is conical transition step type complex horn, and conical section opens up the change helical groove structure, also, its
Middle conical section and lower cylindrical section open up the cylinder groove along axis upwards by lower end；Alternatively, the amplitude transformer is ladder amplitude transformer,
Its big cylindrical section opens up the change helical groove structure, increases spiral grooves length, further increases the torsion in complex vibration
Component, also, the cylinder groove is opened up in its big cylindrical section.
3. single excitation matched according to claim 1, which becomes spiral, indulges-torsion composite ultraphonic vibration processing device, feature
It is: opens up the bell-mouth structure of air with elastic collet cooperation at the lower port of the cylinder groove；Utilize the connection of six sides outside high intensity
The reflection end, piezoelectric ceramic piece, copper electrode and amplitude transformer are threadedly coupled by bolt.
4. single excitation matched according to claim 1, which becomes spiral, indulges-torsion composite ultraphonic vibration processing device, feature
It is: becomes the form of helicla flute are as follows: width b, the depth h of helicla flute are designed as definite value, and helixangleβ is designed as gradient pitch structure,
The expression formula of helixangleβ are as follows:, wherein P is the screw pitch of helicla flute, and D is luffing shank diameter, alternatively, helicla flute
Width b, helicla flute β are designed as definite value, and depth h is designed as grading structure, alternatively, the depth h of helicla flute, helicla flute β are designed as
Definite value, width b are designed as grading structure, alternatively, the depth h of helicla flute is designed as definite value, helicla flute β and width b are designed as gradually
Structure changes, alternatively, the width b of helicla flute is designed as definite value, helicla flute β and depth h are designed as grading structure, alternatively, helicla flute
Helixangleβ be designed as definite value, width h and depth h are designed as grading structure, alternatively, the width b of helicla flute, depth h and spiral
Slot β is both designed as grading structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834593.5U CN208592047U (en) | 2018-05-31 | 2018-05-31 | Single excitation matched becomes spiral and indulges-torsion composite ultraphonic vibration processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834593.5U CN208592047U (en) | 2018-05-31 | 2018-05-31 | Single excitation matched becomes spiral and indulges-torsion composite ultraphonic vibration processing device |
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| CN208592047U true CN208592047U (en) | 2019-03-12 |
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| CN201820834593.5U Expired - Fee Related CN208592047U (en) | 2018-05-31 | 2018-05-31 | Single excitation matched becomes spiral and indulges-torsion composite ultraphonic vibration processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110141308A (en) * | 2019-05-10 | 2019-08-20 | 天津大学 | A kind of ultrasound knife with enhancing hemostatic capability |
-
2018
- 2018-05-31 CN CN201820834593.5U patent/CN208592047U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108787407B (en) * | 2018-05-31 | 2023-08-18 | 河南理工大学 | Single-excitation matching type variable-spiral longitudinal-torsional composite ultrasonic vibration processing method and device |
| CN110141308A (en) * | 2019-05-10 | 2019-08-20 | 天津大学 | A kind of ultrasound knife with enhancing hemostatic capability |
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Granted publication date: 20190312 |