Background technique
Ultrasonic machining is to make the tool of small amplitude motion using supersonic frequency, and be free in liquid between workpiece by it
Abrasive material the knocking of surface to be machined is acted on, the special process for being crushed workpiece material surface gradually.Ordinary ultrasonic is processed
By liquid medium converted products, belong to the special process, application range is small, is not used in the wider machining of range, grinding
In processing, and structure is complicated for ultrasonic machine tool, at high price.Therefore, rotation Ultrasonic machining and tool rotation combination got up
Turn Ultrasonic machining mode gradually to have been more and more widely used.
CN106181595A discloses a kind of concretion abrasive ultrasonic machining device and method, belongs to hard brittle material processing neck
Domain, can carry out the face grinding of special-shaped hole machined peace, the concretion abrasive ultrasonic machining device include XY axis feed arrangement,
Work nest, main shaft column, concretion abrasive tool, Z axis servo feeding apparatus and ultrasonic wave generating system, the supersonic generator
Using ultrasonic constant-current supply, the ultrasound constant-current supply includes the acquisition for acquiring the electric current and voltage at ultrasonic transducer both ends
The processing unit of unit and the equivalent impedance for calculating Ultrasonic machining system, the processing unit by the equivalent impedance of calculating with
Impedance settings adjust the feed speed of concretion abrasive tool and/or the output electric current of supersonic generator after being compared
Section.Although above-mentioned concretion abrasive ultrasonic machining device machining accuracy is higher, inefficient, guarantee machining accuracy cannot achieve
In the case where rapid processing.
TWM372763U discloses a kind of ultrasonic activation formula cutter mould group, and first coil is fixed on fixed ontology.Sound wave
Generator is electrically connected to first coil.Rotating body is rotatably mounted to fixed ontology.Second coil is fixed on rotating body.
Two first contacts are fixed on rotating body and are electrically connected to the second coil.Hilt ontology is detachably mounted on rotating body
On.Two second contacts are fixed on hilt ontology, and are respectively electrically connected to two first contacts.Voltage regulator circuit plate is set to hilt ontology
On, and there are two input terminals to be electrically connected to two second contacts, the input voltage that generates is simultaneously when rotation to stablize the second coil
Output voltage is exported in two output ends.First piezoelectric patches and the second piezoelectric patches are respectively electrically connected to two output ends to produce jointly
Raw vibration.Expanding bar is fixed on hilt ontology, to give expanding, above-mentioned ultrasonic activation formula cutter mould group processing essence to vibration
Spend to be improved, the material and processing efficiency being capable of processing are limited.
KR20150101628A discloses the device of a free profile cutting high hardness material, for cutting hard material
Material, utilizes ultrasonic wave, comprising: cutting tool cuts hard material and diamond lap with supersonic generator, using super
Sound wave is made from supersonic generator and mainly from stainless steel;One abrasive jet applies abrasive material, the grain including fine diamond
Sub- hard material cuts hard material;And cutting tool pilot instrument, it is cut for applied force cutting tool in vertical direction
Hard material.The device cuts a kind of hard material, can be applied using ultrasonic wave, for handle hard material such as sapphire with
And reinforcing glass is applied to smart phone etc., however the device processing efficiency of above-mentioned free profile cutting high hardness material is not high,
It cannot achieve rapid processing in the case where guaranteeing machining accuracy.
In general, the ultrasonic knife handle structure of ordinary ultrasonic processing is integral type, primarily as machine tool chief axis
Connector between cutting tool, in addition to rigid connection machine tool chief axis and cutting tool, without other effects.In order to adapt to revolve
Turn Ultrasonic machining, the ultrasonic knife handle structure that vibrational system is integrated into knife handle ontology is come into being.But tradition is integrated with
The ultrasonic knife handle structure of vibrational system, structure is not firm enough, and amplitude transformer is easy to happen inclination by collision, to increase change
The circle bounce of width bar, influences the dynamic balancing of amplitude transformer, causes ultrasonic knife handle structure machining accuracy poor, service life is shorter.
Utility model content
Based on this, it is necessary to provide a kind of ultrasonic knife handle structure, the ultrasonic knife handle structure structural strength is preferable, processing
Precision is higher, and service life is longer.
Based on above-mentioned purpose, the utility model provides a kind of ultrasonic knife handle structure, including knife handle ontology, wireless transmission
Reception device, ultrasonic transducer;
The knife handle ontology includes sequentially connected main shaft interconnecting piece, unloads knife portion and cutterhead interconnecting piece;The knife portion of unloading
Side is provided with the positioning ring of circle protrusion, and the positioning ring is arranged close to the cutterhead interconnecting piece;
The outer end of the cutterhead interconnecting piece offers installation cavity;
The ultrasonic transducer includes the piezoelectric vibrator of amplitude transformer with the first end that the amplitude transformer is arranged in, the change
The second end of width bar with cutting tool for connecting;The side of the amplitude transformer also has assembly end cap, the assembly end cap lid
It is pressed in the outer end of the cutterhead interconnecting piece, the piezoelectric vibrator is located in the installation cavity body, the piezoelectric vibrator and the nothing
Line transmits reception device connection;
The radio transceiver device is set in the side for unloading knife portion, the end face of the radio transceiver device
It is abutted with the end face of the positioning ring.
Optionally, the ultrasonic transducer further includes cover board, clamping screw and pyrocondensation insulation tube, the amplitude transformer
First end end, offer on face with the matched threaded hole of the clamping screw, offer mounting hole on the piezoelectric vibrator, it is described
Side of the piezoelectric vibrator far from the amplitude transformer is arranged in cover board, and fixation hole, the locking screw are offered on the cover board
Bolt is used to cooperate across the fixation hole, mounting hole and the threaded hole, so that the piezoelectric vibrator, cover board are locked at the change
On width bar, the pyrocondensation insulation tube is arranged between the clamping screw and the piezoelectric vibrator, cover board.
Optionally, the radio transceiver device includes receiving ring support, receiving magnetic core and receiving coil, described to connect
The outside that ring support is set in the knife handle ontology is received, the reception ring support is equipped with third mounting groove, the reception magnetic core
It is mounted in the third mounting groove, the reception magnetic core is equipped with the 4th mounting groove, and the receiving coil is mounted on described the
In four mounting grooves.
Optionally, the second end of the amplitude transformer is provided with the conical surface, and the diameter of the conical surface is from the second of the amplitude transformer
The first end to the amplitude transformer is held to be gradually reduced.
Optionally, the second end of the amplitude transformer is provided with inserting column, is evenly provided with around the inserting column multiple
Threaded mounting hole.
Optionally, the side of the assembly end cap is stepped.
Optionally, the main shaft interconnecting piece is taper type, and the big end of the main shaft interconnecting piece and the knife portion of unloading are affixed, institute
The small end for stating main shaft interconnecting piece is provided with bolt hole;
The outer diameter of the big end of the main shaft interconnecting piece is less than the outer diameter of the second end of the main shaft interconnecting piece.
Optionally, the side for unloading knife portion is provided with a circle and unloads cutter groove, and the cutter groove of unloading is close to the main shaft interconnecting piece
Second end setting.
Optionally, the side for unloading knife portion is additionally provided with multiple keyways, and knife portion is unloaded through described in multiple keyway one end
Outer end, the other end unload cutter groove through described.
Optionally, there are two the keyway settings, two keyways are symmetrically set around the central axis for unloading cutter groove
It sets.
The ultrasonic knife handle structure provided by the utility model, including knife handle ontology, radio transceiver device, ultrasound
Wave transducer;
The knife handle ontology includes sequentially connected main shaft interconnecting piece, unloads knife portion and cutterhead interconnecting piece;The knife portion of unloading
Side is provided with the positioning ring of circle protrusion, and the positioning ring is arranged close to the cutterhead interconnecting piece;
The outer end of the cutterhead interconnecting piece offers installation cavity;
The ultrasonic transducer includes the piezoelectric vibrator of amplitude transformer with the first end that the amplitude transformer is arranged in, the change
The second end of width bar with cutting tool for connecting;The side of the amplitude transformer also has assembly end cap, the assembly end cap lid
It is pressed in the outer end of the cutterhead interconnecting piece, the piezoelectric vibrator is located in the installation cavity body, the piezoelectric vibrator and the nothing
Line transmits reception device connection;
The radio transceiver device is set in the side for unloading knife portion, the end face of the radio transceiver device
It is abutted with the end face of the positioning ring.
The ultrasonic knife handle structure provided by the utility model, above-mentioned ultrasonic knife handle structure, knife handle ontology are used for
To the effect of the components such as connecting machine tool main shaft, installation ultrasonic transducer, wireless transmission emitter is for sending out ultrasonic-frequency power supply
The high-frequency electrical energy signal that raw device generates is transmitted on radio transceiver device by way of wireless transmission, radio transceiver
Device is used to receive the signal that wireless transmission emitter issues and by the signals revivification sensed at high-frequency electrical energy signal, transmitting
To ultrasonic transducer, ultrasonic transducer is used to that electrical signal of the frequency to be converted to high frequency using the piezoelectricity back wash effect of piezoelectric vibrator
Mechanical oscillation, and mechanical oscillation are amplified by amplitude transformer and are transferred to workpieces processing, and then traditional common machine can be cooperated
Bed realizes Ultrasonic machining.
The ultrasonic knife handle structure, can be applied to traditional machine tool, in the feelings for not changing machine tool structure
Ultrasonic machining is carried out under condition, ultrasonic transducer is connect by amplitude transformer with knife handle ontology, is assembled end cap by setting, is made luffing
Bar and the combination of knife handle ontology are even closer, reinforce product structure intensity, and the ultrasonic knife handle structure structural strength is preferable, product warp
Amplitude transformer is not easy to tilt after falling on the ground or colliding, and is not easy to influence the circle bounce of amplitude transformer and dynamic balancing, machining accuracy is higher, uses the longevity
It orders longer.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Ultrasonic knife handle structure embodiment
As shown in Fig. 1 to Fig. 5, a kind of ultrasonic knife handle structure, the ultrasonic wave knife handle knot are provided in the present embodiment
Structure includes knife handle ontology, radio transceiver device 300, ultrasonic transducer;
The knife handle ontology includes sequentially connected main shaft interconnecting piece 1, unloads knife portion 2 and cutterhead interconnecting piece 3;It is described to unload knife portion
2 side is provided with the positioning ring 4 of circle protrusion, and the positioning ring 4 is arranged close to the cutterhead interconnecting piece 3;
The outer end of the cutterhead interconnecting piece 3 offers installation cavity 110;
The ultrasonic transducer includes the piezoelectric vibrator of amplitude transformer 410 with the first end that the amplitude transformer 410 is arranged in
420, the second end of the amplitude transformer 410 with cutting tool for connecting;The side of the amplitude transformer 410 also has assembly end cap
500, the assembly end cap 500 is pressed against the outer end of the cutterhead interconnecting piece 3, and the piezoelectric vibrator 420 is located at the installation cavity
In vivo, the piezoelectric vibrator 420 is connect with the radio transceiver device 300;
The radio transceiver device 300 is set in the side for unloading knife portion, the radio transceiver device 300
End face abutted with the end face of the positioning ring 4.
The ultrasonic knife handle structure provided by the utility model, knife handle ontology is for playing connecting machine tool main shaft, installation
The effect of the components such as ultrasonic transducer, the high-frequency electrical energy that wireless transmission emitter is used to generate in ultrasonic-frequency power supply generator are believed
It number is transmitted to by way of wireless transmission on radio transceiver device 300, radio transceiver device 300 is for receiving nothing
Line transmitting device issue signal and by the signals revivification sensed at high-frequency electrical energy signal, pass to ultrasonic wave transducer
Device, ultrasonic transducer are used to that electrical signal of the frequency to be converted to high-frequency mechanical vibration using the piezoelectricity back wash effect of piezoelectric vibrator 420,
And mechanical oscillation are amplified by amplitude transformer 410 and are transferred to workpieces processing, and then traditional machine tool can be cooperated to realize
Ultrasonic machining.The ultrasonic knife handle structure, can be applied to traditional machine tool, in the feelings for not changing machine tool structure
Ultrasonic machining is carried out under condition, ultrasonic transducer is connect by amplitude transformer 410 with knife handle ontology, end cap 500 is assembled by setting,
Combine amplitude transformer 410 and knife handle ontology even closer, reinforce product structure intensity, the ultrasonic knife handle structure structural strength compared with
Good, product amplitude transformer 410 after falling on the ground or colliding is not easy to tilt, and is not easy to influence the circle bounce of amplitude transformer 410 and dynamic balancing, processing
Precision is higher, and service life is longer.
Such as Fig. 1 to Fig. 5, in the optinal plan of the present embodiment, the ultrasonic transducer further includes cover board 430, locking screw
Bolt 440 and pyrocondensation insulation tube.It is offered on the first end end face of the amplitude transformer 410 matched with the clamping screw 440
Threaded hole 415.Mounting hole is offered on the piezoelectric vibrator 420.The setting of cover board 430 is separate in the piezoelectric vibrator 420
The side of the amplitude transformer 410.Fixation hole is offered on the cover board 430.The clamping screw 440 is used for across the fixation
Hole, mounting hole and the threaded hole 415 cooperate, so that the piezoelectric vibrator 420, cover board 430 are locked at the amplitude transformer 410
On.The pyrocondensation insulation tube is arranged between the clamping screw 440 and the piezoelectric vibrator 420, cover board 430.In turn, luffing
The first end of bar 410 is equivalent to the front shroud of piezoelectric vibrator 420, and cover board 430 is equivalent to the back shroud of piezoelectric vibrator 420, passes through
Piezoelectric vibrator 420 is locked in amplitude transformer 410 by the cooperation of threaded hole 415 on clamping screw 440 and amplitude transformer 410, is not necessarily to volume
The front shroud of outer setting piezoelectric vibrator 420, structure is simple, and is locked using clamping screw 440, easy to assembly;By locking
Pyrocondensation insulation tube is set between bolt 440 and piezoelectric vibrator 420, cover board 430, and pyrocondensation insulation tube can play the work of insulation protection
With preventing piezoelectric vibrator 420 from occurring short circuit by clamping screw 440, improve the stability that product uses, pyrocondensation insulation tube is being pacified
Dress Shi Kexian pyrocondensation is mounted on clamping screw 440, will not influence the assembly of clamping screw 440, easy to assembly.
The installation cavity 110 includes the gland that setting is sequentially communicated along the inside extreme direction in outer end of the knife handle ontology
It assembles cavity 111, piezoelectric vibrator assembly cavity 112 and clamping screw and assembles cavity 113.The gland assembly cavity 111, pressure
Electric tachometer indicator assembles cavity 112 and clamping screw assembly cavity 113 forms ladder cavity body structure.In this way, the lock of installation cavity 110
Tight bolt assembly cavity 113, piezoelectric vibrator assembly cavity 112 and gland assembly cavity 111 can be used to corresponding installation amplitude transformer 410
Clamping screw 440, piezoelectric vibrator 420, assembly end cap 500, each cavity ecto-entad uses ladder cavity body structure, is conducive to each
The positioning of component is assembled, easy to assembly.
Further, the knife handle ontology is equipped with locking screw on its gland assembly corresponding inner wall of cavity 111, from
And convenient for being threadedly engaged with assembly end cap 500, realize the assembly of assembly end cap 500.Further, the knife handle ontology is outer
The cable-through hole 130 being connected to piezoelectric vibrator assembly cavity 112 is offered on wall.In this way, cable-through hole 130 is easy to implement piezoelectricity
The wiring of the receiving coil 330 of the anode of oscillator 420, cathode and radio transceiver device 300.Further, the knife handle
Offer electrode escape groove on the corresponding inner wall of ontology and its piezoelectric vibrator assembly cavity 112, the electrode escape groove along
The axial direction of the knife handle ontology is arranged.In this way, electrode escape groove can avoid the electrode connection ear of piezoelectric vibrator 420, prevent
Only the electrode connection ear of piezoelectric vibrator 420, which is squeezed, damages and influences service performance.
Such as Fig. 1 to Fig. 5, in the optinal plan of the present embodiment, the radio transceiver device 300 includes receiving ring support
310, magnetic core 320 and receiving coil 330 are received.The outside for receiving ring support 310 and being set in the knife handle ontology.It is described
It receives ring support 310 and is equipped with third mounting groove 311, the reception magnetic core 320 is mounted in the third mounting groove 311.Institute
It states and receives magnetic core 320 equipped with the 4th mounting groove 321, the receiving coil 330 is mounted in the 4th mounting groove 321.It adopts
With above structure, receiving magnetic core 320 and receiving coil 330 can be mounted on knife handle ontology by receiving ring support 310, be received
Magnetic core 320 can incude with the transmitting magnetic core of wireless transmission emitter, thus play the role of wireless receiving, the magnetic that will be sensed
Field is reduced into high-frequency electrical energy signal and is transferred to piezoelectric vibrator 420.Optionally, the reception magnetic core 320 is to receive ferrite.
In the present embodiment, the third mounting groove 311 offers on the internal groove side wall for receiving 310 center of ring support
Second connection jaws 312, the 4th mounting groove 321 offer third on the internal groove side wall for receiving 310 center of ring support
Connection jaws 322, and the position of the third connection jaws 322 is corresponding with the position of second connection jaws 312.To receiving coil
330 wiring can be introduced in the hollow structure for receiving ring support 310 by third connection jaws 322, the second connection jaws 312,
It, being capable of effective protection wiring convenient for being carried out with intrinsic 420 wiring of piezoelectric vibrator of knife handle, easy-to-connect, and wiring from inside.
Such as Fig. 1 to Fig. 5, in the optinal plan of the present embodiment, the second end of the amplitude transformer 410 is provided with the conical surface, described
The diameter of the conical surface is gradually reduced from the first end of second end to the amplitude transformer of the amplitude transformer 410.
Further, the second end of the amplitude transformer 410 is provided with inserting column 412, uniform around the inserting column 412
It is provided with multiple threaded mounting holes 413.
Cutterhead is installed by the large end face and bolt of frustum, cutterhead is installed more stable, and the workpiece quality at grinding is more
It is good.
Such as figure ..., in the optinal plan of the present embodiment, the side of the assembly end cap 500 is stepped.
The assembly end cap 500 is integrally formed with amplitude transformer 410, the lid including being pressed against 3 end of cutterhead interconnecting piece
Splenium 501 and protrude into the threaded portion 502 in cutterhead interconnecting piece 3, the outer diameter of the lid splenium 501 and the cutterhead interconnecting piece 3
Outer diameter is identical, wherein the side of lid splenium 501 is provided with a circle positioning protrusion 503, and formation is ladder-like, for assembling dynamic balancing
Ring, balancing loop are set in the side of the lid splenium 501, abut with the positioning protrusion 503.
Setting ladder facilitate installation balancing loop, adjust the pivot center of entire cutter hub, make its at least with the rotation of main shaft
Axis is parallel.The lid of lid splenium 501 is mounted in the end of cutterhead interconnecting piece 3, and cutterhead interconnecting piece 3 is protruded into threaded portion 502 and its screw thread connects
Connect, connection it is more stable, intensity is higher, and product amplitude transformer 410 after falling on the ground or colliding is not easy to tilt, and is not easy to influence amplitude transformer
410 circle bounce and dynamic balancing, machining accuracy is higher, and service life is longer.
Such as Fig. 1 to Fig. 4, the main shaft interconnecting piece 1 is taper type, and the big end of the main shaft interconnecting piece 1 unloads knife portion 2 with described
Affixed, the small end of the main shaft interconnecting piece 1 is provided with main shaft link bolt hole 11;
The outer diameter of the big end of the main shaft interconnecting piece 1 is less than the outer diameter of the second end of the main shaft interconnecting piece 1.
The main shaft interconnecting piece 1 of frustum type is matched with existing most of main shaft, be may be mounted on machine tool chief axis, is passed through drawing
Nail 5 is connect with machine tool chief axis.
Further, the side for unloading knife portion 2 is provided with a circle and unloads cutter groove 21, and the cutter groove 21 of unloading is close to the main shaft
The second end of interconnecting piece 1 is arranged.
By unloading cutter groove 21, it can be easier to unload by unloading cutter groove 21 and cut after main shaft knife handle is mounted on main shaft
Tool.
Further, the side for unloading knife portion 2 is additionally provided with multiple keyways 22, and multiple 22 one end of keyway are unloaded through described
The outer end in knife portion 2, the other end unload cutter groove 21 through described.
Keyway 22, by the connector being inserted into keyway 22, drives knife handle rotation, makes knife handle can for connecting with main shaft
Main axis is followed with stable.
Further, there are two the settings of keyway 22, two keyways 22 are around the central axis for unloading cutter groove
It is symmetrical arranged.
Two keyways 22 are symmetrical arranged, and keep the stress of knife handle more uniform, the rotation of knife handle can be made more stable.
Further, blind rivet 5 is bolted in the main shaft link bolt hole 11.
It is connect by blind rivet standard component with main shaft, it is versatile, it can quickly be connect with main shaft, technology maturation, connection is steady
It is fixed.
Finally, it should be noted that it is obvious to a person skilled in the art that the application is not limited to above-mentioned exemplary implementation
The details of example, and without departing substantially from spirit herein or essential characteristic, it can realize in other specific forms
The application.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this Shen
Range please is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are included in the application.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.