CN206898463U - A kind of oval ultrasonic machining device of contactless inductive power supply - Google Patents
A kind of oval ultrasonic machining device of contactless inductive power supply Download PDFInfo
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- CN206898463U CN206898463U CN201720538094.7U CN201720538094U CN206898463U CN 206898463 U CN206898463 U CN 206898463U CN 201720538094 U CN201720538094 U CN 201720538094U CN 206898463 U CN206898463 U CN 206898463U
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Abstract
The utility model provides a kind of oval ultrasonic machining device of contactless inductive power supply, is made up of inductive power supply device and oval ultrasonic handle of a knife two parts；The inductive power supply secondary of inductive power supply device is fixed on the BT handle of a knife shells of oval ultrasonic handle of a knife, inductive power supply primary side is in the outside of oval ultrasonic handle of a knife, for inside and outside concentric circles, both keep small gap, and motionless fixed to remains stationary on digital controlled processing central machine tool spindle drum by support；Oval ultrasonic handle of a knife is fixed on digital controlled processing central machine tool main shaft by taper shank, is rotated at a high speed with the main shaft；The utility model reduces the radius of gyration of oval ultrasonic handle of a knife, reduce it and turn round inertia, improve the rotary stability of oval ultrasonic handle of a knife, it can avoid the working space of tool-changing mechanical arm, automatic tool changer condition can be met in the case where not being modified to digital controlled processing central machine tool main axle structure.It is simple in construction, it is easy for operation.
Description
Technical field
The present invention relates to a kind of ultrasonic machining device, and in particular to a kind of oval Ultrasonic machining dress of contactless inductive power supply
Put.Belong to Ultrasonic machining technology field.
Background technology
Ultrasonic machining technology be on the basis of traditional machining, it is compound that material is removed with superaudible vibration realizing
A kind of special process method.Compared with traditional machining, Ultrasonic machining can reduce cutting force, cutting temperature, reduce cutter
Abrasion, improve surface accuracy.Thus, it is adapted to the processing of various difficult-to-machine materials and difficult processing structure, is especially suitable for ceramics, glass
Deng the finishing of hard brittle material and carbon fibre composite.
The vibration mode of Ultrasonic machining has two kinds of single-phase vibration and elliptical vibration.Elliptical vibration is by two groups of independences
Piezoelectric ceramic stack carries out exciting, and so as to produce vibration in two mutually orthogonal directions, its movement locus formed is one
It is oval.Compared with single-phase vibration, elliptical vibration has lower cutting force and more excellent technological effect.
Notification number is the A of CN 103157593, and date of declaration is 2013.06.19 Chinese invention patent《A kind of ultrasound is ellipse
Circular vibration milling handle device》, the handle of a knife end is a high-precision extension bar, is connected by collet with lathe cutterhead,
And the oval ultrasonic transducer of rotation is powered by conducting slip ring.Notification number is the A of CN 104624461, and date of declaration is
2015.05.20 Chinese invention patent《A kind of lateral excitation formula ultrasonic elliptical vibratory milling handle of a knife》, using the BT50 knives of standard
Handle is connected with machine tool chief axis, and the oval ultrasonic transducer of rotation is powered by conducting slip ring.
The oval ultrasonic machining device of existing invention, its power supply mode are mechanical contact power supply, and mechanical contact is revolving
Spark is easily produced during turning, rotating speed is limited, and can not especially meet the requirement of numerical control machining center automatic tool changer.
The content of the invention
(1) goal of the invention：
In view of the above-mentioned problems, it is an object of the invention to provide a kind of oval ultrasonic machining device of contactless inductive power supply,
To meet that ultrasonic chief axis rotates at a high speed, powered stable is reliable and the requirement of automatic tool changer.Especially, in order to realize to ellipse
The power supply of ultrasonic machining device is, it is necessary to the inductive power supply signal of two-way independence.
(2) technical scheme：
To achieve the above object, the present invention intends using following technical scheme：
The present invention is a kind of oval ultrasonic machining device of contactless inductive power supply, and it is mainly by inductive power supply device (9)
Formed with oval ultrasonic handle of a knife (2) two parts；The inductive power supply secondary (92) of inductive power supply device (9) is fixed to oval ultrasound knife
On the BT handle of a knifes shell (6) of handle (2), inductive power supply primary side (91) is in the outside of oval ultrasonic handle of a knife (2), for inside and outside concentric circles, two
Person keeps less gap, and motionless fixed to remains stationary on digital controlled processing central machine tool spindle drum (5) by support (10)；
Oval ultrasonic handle of a knife (2) is fixed on digital controlled processing central machine tool main shaft (4) by taper shank (61), is revolved at a high speed with the main shaft (4)
Turn；
The inductive power supply device (9) is made up of two independent loosely coupled transformers, arranges up and down in the axial direction,
Each loosely coupled transformer is made up of inductive power supply primary side (91) and inductive power supply secondary (92)；Inductive power supply primary side (91) passes through
Support (10) is connected that remains stationary is motionless, and inductive power supply secondary (92) is fixed to BT with digital controlled processing central machine tool spindle drum (5)
Rotated at a high speed with the digital controlled processing central machine tool main shaft (4) in digital controlled processing central machine tool spindle drum (5) on handle of a knife shell (6), two
Person keeps less gap；
The inductive power supply primary side (91) is by primary side magnetic core seat (911), primary side magnetic core (912), primary coil (913) group
Into；Primary coil (913) is wrapped in the U-shaped interior circular groove of primary side magnetic core (912) and on periphery, and passes through primary side magnetic core
Outside the first threading hole (9112) of seat (911) is connected with the ultrasonic-frequency power supply of outside, primary side magnetic core (912) and primary coil
(913), both are co-located at the inside of primary side magnetic core seat (911)；
The primary side magnetic core seat (911) is the circumferential imperfect circular ring structure for being 150 °, and inside is provided with stepped U-type groove and is used for
Primary side magnetic core (912) and primary coil (913) are placed, outside is provided with and the bracket holes (9111) and primary side of support (10) connection
The first threading hole (9112) of coil (913)；
The primary side magnetic core (912) is circumferentially 120 ° of imperfect circular ring structure, and inner headed face is provided with U-type groove；
The primary coil (913) is multiply enamel-covered wire, and inside is copper cash, and there are insulated paint and nylon jacket in outside；
The inductive power supply secondary (92) is made up of secondary magnetic core seat (63), secondary magnetic core (921), secondary coil (922)；
Secondary magnetic core seat (63) is fixed on oval ultrasonic handle of a knife (2), and secondary magnetic core (921) is located at the U-shaped of secondary magnetic core seat (63)
The inside of groove, secondary coil (922) are wrapped in inside the U-type groove of secondary magnetic core (921), and by secondary magnetic core seat (63)
Second threading hole (65) the oval ultrasonic transducer (7) internal with BT handle of a knifes shell (6) is connected；
The secondary magnetic core seat (63) and BT handle of a knifes shell (6) one, are made up of the two U-shaped annular grooves arranged in the axial direction,
For completely circular structure, the width of U-shaped annular groove is consistent with the width of secondary magnetic core (921), and two second side by side are arranged at U-shaped annular groove bottom
Threading hole (65) is symmetrical in 180 °；
The secondary magnetic core (921) is spliced by the magnetic core of two semi-circular shape, is placed in secondary magnetic core seat (63)
Portion, its periphery are provided with U-type groove, and its material is manganese-zinc ferrite；
The secondary coil (922) is multiply enamel-covered wire, and inside is copper cash, and there are insulated paint and nylon jacket in outside；
The ultrasonic handle of a knife of ellipse (2) is by BT handle of a knifes shell (6), oval ultrasonic transducer (7), cutter (8), blind rivet (3)
And bolt (11) composition；Cutter (8) is connected by hot charging head (81) with oval ultrasonic transducer (7), oval ultrasonic transducer (7)
The inside of BT handle of a knifes shell (6) is fixed to by bolt (11), whole oval ultrasonic handle of a knife (2) is fixed to numerical control by blind rivet (3)
Rotated at a high speed with the main shaft (4) on processing center machine tool main shaft (4)；
The BT handle of a knifes shell (6) design improvement on the basis of standard BT handle of a knifes forms, including taper shank (61), annular groove
(62), secondary magnetic core seat (63), inner chamber (64), bolt hole (66)；Taper shank (61) is located at afterbody, for numerical control processing center machine
Bed main shaft (4) connection, annular groove (62) are located in the middle part of BT handle of a knifes shell (6), and secondary magnetic core seat (63) is located at BT handle of a knifes shell (6)
Head, its U-type groove bottom are provided with threading hole, inner chamber are provided with inside BT handle of a knifes shell (6)；
The taper shank (61) is consistent with the taper shank of standard BT handle of a knifes, can be fixed on digital controlled processing central machine tool main shaft (4),
Rotated at a high speed with digital controlled processing central machine tool main shaft (4)；
The annular groove (62) is consistent with the annular groove of standard BT handle of a knifes, meets that tool-changing mechanical arm realizes automatic tool changer；
The secondary magnetic core seat (63) by the agency of when introducing inductive power supply device (9), is repeated no more here.
The inner chamber (64) is stepped cylinder cavity structure, for placing oval ultrasonic transducer (7)；
The bolt hole (66) is M4*1 screwed hole, the fixation for oval ultrasonic transducer (7) ring flange；
The oval ultrasonic transducer (7) by ultrasonic transformer (71), piezoelectric ceramic stack (72), back shroud (74), copper electrode (73),
Insulation sleeve (75) forms；Ultrasonic transformer (71) end greatly is provided with screw rod (711), and its external diameter is cased with insulation sleeve (75), and back shroud (74) is interior
Hole, which has, to be threaded through certain pretightning force and presses together piezoelectric ceramic stack (72)；
The ultrasonic transformer (71) is stepped cylindrical structure, ensures that benchmark is coaxial, and big end is provided with screw rod (711), and small end is provided with
Screwed hole, the fixation for hot charging head (81).The middle part of the ultrasonic transformer (71) is provided with ring flange, for fixed to BT handle of a knife shells
(6) inner chamber；
The piezoelectric ceramic stack (72) is made up of four groups of semi-circular potsherds according to different polarised direction arrangements；
The back shroud (74) is the internal cylindrical structure for being threaded hole, the surface light contacted with piezoelectric ceramic stack (72)
It is sliding；
The copper electrode (73) is that circular ring, thickness 0.2mm, its external diameter and internal diameter are kept with piezoelectric ceramic stack (72)
Unanimously；
The insulation sleeve (75) is round tube shape structure, and material is insulating materials, such as tetrafluoroethene, nylon, is enclosed on ultrasonic transformer
(71) on the screw rod (711) being provided with, make to insulate between copper electrode (73)；
The cutter (8) can select milling cutter, drill bit, diamond set sharpening etc. as required according to the difference of processing type；
Tight fit between form and hot charging head (81) that the cutter (8) passes through hot charging, hot charging head (81) are fixed to by the form of screw thread
Ultrasonic transformer (71) front end of oval ultrasonic transducer (7).
(3) advantage and effect
In summary it is described, it is known that the present invention is the oval ultrasonic machining device using the contactless inductive power supply of two-phase.With
Existing technology is compared, and beneficial effects of the present invention are as follows：
(1) the inductive power supply primary side is arranged as inside and outside concentric-ring pattern with the inductive power supply secondary spatial relation,
The secondary reduces the radius of gyration of oval ultrasonic handle of a knife in inner side, reduces its and turns round inertia, improves oval ultrasonic handle of a knife
Rotary stability.
(2) the inductive power supply primary side structure is that there was only the imperfect annulus column structure of about 150 ° of circumference in circumference,
The working space of tool-changing mechanical arm can be avoided, and any mechanical connection is not present with the secondary in the primary side between each other, can
In the case where not being modified to digital controlled processing central machine tool main axle structure, meet automatic tool changer condition.
(3) two independent loosely coupled transformers of the inductive power supply device are arranged up and down along main-shaft axis direction, and two
Person's structure is identical, and non-interference, meets the needs of ellipse ultrasonic handle of a knife two-phase power supply.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the present invention.
Fig. 2 is the inductive power supply primary side composition structural representation of the present invention.
Fig. 3 is the BT handle of a knife shell appearance schematic diagrams of the present invention.
Fig. 4 is the oval ultrasonic transducer composition Structure explosion diagram of the present invention.
Number explanation is as follows in figure：
Embodiment
As shown in Figure 1, including oval ultrasonic-frequency power supply 1, inductive power supply device 9, ellipse is super for the preferred embodiments of the present invention
Sound handle of a knife 2, numerical control machining center main shaft 4.1,2,3,4 the present invention is described further below in conjunction with the accompanying drawings.
A kind of oval ultrasonic machining device of contactless inductive power supply of the present invention, as shown in Figure 1, it is mainly by inductive power supply
Device 9 and the oval ultrasonic two parts of handle of a knife 2 composition；The inductive power supply secondary 92 of inductive power supply device 9 is fixed to oval ultrasound knife
On the BT handle of a knifes shell 6 of handle 2, inductive power supply primary side 91 is in the outside of oval ultrasonic handle of a knife 2, for inside and outside concentric circles, both keep compared with
Small gap, and it is motionless fixed to remains stationary on digital controlled processing central machine tool spindle drum 5 by support 10；Oval ultrasonic handle of a knife
2 are fixed on digital controlled processing central machine tool main shaft 4 by taper shank 61, are rotated at a high speed with the main shaft 4；Oval ultrasonic-frequency power supply 1 is independent
The transfixion outside numerical control machining center.In specific process, pumping signal is provided by oval ultrasonic-frequency power supply 1, is passed through
Inductive power supply device 9 realizes that oval ultrasonic handle of a knife 2 is powered.
The output signal frequency scope of oval ultrasonic-frequency power supply 1 is 15kHz~40kHz, frequency resolution 1Hz.
The inductive power supply device 9 is made up of two independent loosely coupled transformers, is arranged up and down in the axial direction, often
Individual loosely coupled transformer is made up of inductive power supply primary side 91 and inductive power supply secondary 92；Inductive power supply primary side 91 by support 10 with
The connection of digital controlled processing central machine tool spindle drum 5 remains stationary is motionless, and inductive power supply secondary 92 is fixed on BT handle of a knifes shell 6 with numerical control
Digital controlled processing central machine tool main shaft 4 in processing center machine tool spindle drum 5 rotates at a high speed, and both keep less gap.
The inductive power supply primary side 91 is made up of primary side magnetic core seat 911, primary side magnetic core 912, primary coil 913；Primary side line
Circle 913 is wrapped in the U-shaped interior circular groove of primary side magnetic core 912 and on periphery, and passes through the outside primary side magnetic core seat 911
One threading hole 9112 is connected with the oval ultrasonic-frequency power supply 1 of outside, and primary side magnetic core 912 and primary coil 913 are co-located at primary side magnetic
The inside of core print seat 911 is simultaneously sealed with epoxide-resin glue, as shown in Figure 2.
The primary side magnetic core seat 911 is the circumferential imperfect circular ring structure for being 150 °, and to meet automatic tool changer, inside is provided with rank
Ladder type U-type groove is used to place primary side magnetic core 912 and primary coil 913, outside have the bracket holes 9111 that are connected with support 10 and
First threading hole 9112 of primary coil 913.
The imperfect circular ring structure that it is 120 ° that the primary side magnetic core 912 is circumferential, inner headed face are provided with U-type groove, its material selection manganese
Zn ferrite, to improve energy conversion efficiency.
The primary coil 913 is 0.1*50 core enamel-covered wires, and inside is copper cash, and there are insulated paint and nylon jacket, the number of turn one in outside
As be 40-60 circles.
The inductive power supply secondary 92 is made up of secondary magnetic core seat 63, secondary magnetic core 921, secondary coil 922；Secondary magnetic core
Seat 63 is fixed on oval ultrasonic handle of a knife 2, and secondary magnetic core 921 is located at the inside of the U-type groove of secondary magnetic core seat 63, secondary coil
922 are wrapped in inside the U-type groove of secondary magnetic core 921, and pass through the second threading hole 65 and BT handle of a knifes shell 6 on secondary magnetic core seat 63
Copper electrode 73 on internal oval ultrasonic transducer 7 connects, the inductance that the specific number of turn is matched according to oval ultrasonic transducer 7
To determine, secondary coil 922 is wrapped in the inside of secondary magnetic core 921 and sealed with epoxide-resin glue.
The secondary magnetic core seat 63 and the one of BT handle of a knifes shell 6, as shown in Figure 3, there is the two U-shaped annular grooves arranged in the axial direction
Composition, is completely circular structure, the width of U-shaped annular groove is consistent with the width of secondary magnetic core 921, and both are loose fit relation, U-type groove
Internal diameter is consistent with the internal diameter of secondary magnetic core 921, and the external diameter of U-type groove is consistent with the external diameter of secondary magnetic core 921, and U-shaped annular groove bottom has
Two the second threading holes 65 side by side are symmetrical in 180 °, are obtained through secondary coil 922.
The secondary magnetic core 921 is spliced by the magnetic core of two semi-circular shape, is placed on inside secondary magnetic core seat 63, its
Periphery is provided with U-type groove, and its material is manganese-zinc ferrite.
The secondary coil 922 is multiply enamel-covered wire, and inside is copper cash, and insulated paint and nylon jacket are possessed in outside.
The ultrasonic handle of a knife 2 of ellipse is by 11 groups of BT handle of a knifes shell 6, oval ultrasonic transducer 7, cutter 8, blind rivet 3 and bolt
Into；Cutter 8 is connected by hot charging first 81 with oval ultrasonic transducer 7, and oval ultrasonic transducer 7 is fixed to BT knives by bolt 11
The inside of handle shell 6, whole oval ultrasonic handle of a knife 2 are fixed on digital controlled processing central machine tool main shaft 4 with the main shaft by blind rivet 3
Rotate at a high speed.
The BT handle of a knifes shell 6 design improvement on the basis of standard BT handle of a knifes forms, including taper shank 61, annular groove 62, secondary
Magnetic core seat 63, inner chamber 64, bolt hole 66；Taper shank 61 is located at afterbody, and annular groove 62 is located at the middle part of BT handle of a knifes shell 6, secondary magnetic core
Seat 63 is located at the head of BT handle of a knifes shell 6, and its U-type groove bottom is provided with threading hole, inner chamber is provided with inside BT handle of a knifes shell 6, sees Fig. 3 institutes
Show.
The taper shank 61 is consistent with the taper shank of standard BT handle of a knifes, can be fixed on digital controlled processing central machine tool main shaft 4.
The annular groove 62 is consistent with the annular groove of standard BT handle of a knifes, meets that tool-changing mechanical arm realizes automatic tool changer.
The secondary magnetic core seat 63 by the agency of when introducing inductive power supply device 9, is repeated no more here.
The inner chamber 64 is concentric column cavity, first, oval ultrasonic transducer 7 can be placed, second, realizing gas for ventilating
It is cold；.
The bolt hole 66 is M4*1 screwed hole, the fixation for the oval ring flange of ultrasonic transducer 7.
The oval ultrasonic transducer 7 is by ultrasonic transformer 71, piezoelectric ceramic stack 72, back shroud 74, copper electrode 73,75 groups of insulation sleeve
Into；The end greatly of ultrasonic transformer 71 is provided with screw rod 711, and its external diameter is cased with insulation sleeve 75, the endoporus of back shroud 74 have be threaded through it is certain pre-
Clamp force presses together piezoelectric ceramic stack 72, ensures that benchmark is coaxial, piezoelectric ceramic stack 72 passes through copper electrode 73 and secondary coil
922 realize electrical connection, as shown in Figure 4.
The ultrasonic transformer 71 is stepped cylindrical structure, ensures that benchmark is coaxial, and material is stainless steel, and big end is provided with screw rod 711,
Small end is provided with screwed hole, the fixation for hot charging first 81.The middle part of the ultrasonic transformer 71 is provided with ring flange, for fixed to BT handle of a knifes
The inner chamber of shell 6.
The piezoelectric ceramic stack 72 is made up of four groups of semi-circular potsherds according to different polarised direction arrangements, and material is
PZT-8。
The back shroud 74 is the internal cylindrical structure for being threaded hole, and material is stainless steel, is connect with piezoelectric ceramic stack 72
Tactile surface is smooth.
The copper electrode 73 is that circular ring, thickness 0.2mm, its external diameter and internal diameter keep one with piezoelectric ceramic stack 72
Cause.
The insulation sleeve 75 is round tube shape structure, and material is insulating materials, such as tetrafluoroethene, nylon, is enclosed on ultrasonic transformer 71
On the screw rod 711 being provided with, make to insulate between the both positive and negative polarity of copper electrode 73.
The cutter 8 is four sword standard milling cutters.The cutter 8 passes through tight fit, hot charging between the form of hot charging and hot charging first 81
First 81 are fixed to the front end of ultrasonic transformer 71 of oval ultrasonic transducer 7 by the form of screw thread.
In summary, it is known that the present invention is a kind of oval ultrasonic machining device of contactless inductive power supply, is added for ultrasound
Work.Inductive power supply device 9 used in the present invention due to being between the inductive power supply primary side 91 and the inductive power supply secondary 92
Separated, cause the leakage inductance that can not ignore between the primary side 91 and the secondary 92 be present, in the loop of the primary side 91 and the secondary
Cause larger reactive power consumption in 92 loop, cause the reduction of the transmittability of inductive power supply device 9, it is therefore desirable to
Increase capacitive compensation element on the loop of the inductive power supply device 9, to eliminate biography of the leakage inductance to the inductive power supply device 9
Adverse effect caused by Movement Capabilities.This processing unit (plant) is the capacitive reactance and the inductive power supply using the oval ultrasonic transducer 7
The leakage inductance of secondary 92 directly carries out impedance matching, thus in the case where not increasing any compensating element, both ensure that ellipse
The impedance matching of ultrasonic transducer 7, compensate for the inductive power supply device 9 again because of leakage inductance and caused by quadergy loss.This
Kind measure, both ensure that oval ultrasonic transducer 7 had excellent vibrating effect, and compact-sized, and rotary inertia is small, revolution
It is stable.
The course of work of the present invention：Oval ultrasonic handle of a knife 2 rotates at a high speed with digital controlled processing central machine tool main shaft 4, and ellipse is super
The output two-way frequency of acoustic-electric source 1 is identical, has the supersonic frequency voltage signal of certain phase difference, passes through wire transmission to primary coil
On 913, inductive power supply primary side 91 produces two-way alternating flux and senses two inductive power supply secondary 92, is made according to Lenz's law
Inductive power supply secondary 92 produces electric current, and the two-phase for realizing oval ultrasonic transducer 7 by secondary coil 922 is powered.Utilize piezoelectricity
The inverse piezoelectric effect of ceramic stack 72, oval ultrasonic transducer 7 produce vibration in two mutually orthogonal directions, drive cutter 8
Elliptical vibration is produced, ultrasonic Milling Process is carried out to workpiece, greatly improves stock-removing efficiency and technological effect.Tool changing in process
Manipulator can be with automatic tool changer, and can be cut under cutting fluid environment.
It is described above, part instantiation only of the present invention, but protection scope of the present invention is not limited thereto, and it is any ripe
Know those skilled in the art, the invention discloses technical scope in, the change or replacement that readily occur in should all be covered in the present invention
Protection domain within.
Claims (2)
- A kind of 1. oval ultrasonic machining device of contactless inductive power supply, it is characterised in that：By inductive power supply device (9) and ellipse Ultrasonic handle of a knife (2) two parts composition；The inductive power supply secondary (92) of inductive power supply device (9) is fixed to oval ultrasonic handle of a knife (2) BT handle of a knifes shell (6) on, inductive power supply primary side (91) in the outside of oval ultrasonic handle of a knife (2) and is fixed to number by support (10) Control on processing center machine tool spindle drum (5)；Oval ultrasonic handle of a knife (2) is fixed on digital controlled processing central machine tool master by taper shank (61) On axle (4)；The inductive power supply device (9) is made up of two independent loosely coupled transformers, arranges up and down in the axial direction, each Loosely coupled transformer is made up of inductive power supply primary side (91) and inductive power supply secondary (92)；Inductive power supply primary side (91) passes through support (10) it is connected with digital controlled processing central machine tool spindle drum (5), inductive power supply secondary (92) is fixed on BT handle of a knifes shell (6)；The inductive power supply primary side (91) is made up of primary side magnetic core seat (911), primary side magnetic core (912) and primary coil (913)；Should Primary coil (913) is wrapped in the U-shaped interior circular groove of primary side magnetic core (912) and on periphery, and passes through primary side magnetic core seat (911) outside the first threading hole (9112) is connected with the ultrasonic-frequency power supply of outside, the primary side magnetic core (912) and primary coil (913), both are co-located at the inside of primary side magnetic core seat (911)；The primary side magnetic core seat (911) is the circumferential imperfect circular ring structure for being 150 °, and inside is provided with for placing primary side magnetic core (912) and primary coil (913) stepped U-type groove, outside be provided with and support (10) connection bracket holes (9111) and original The first threading hole (9112) of sideline circle (913)；The primary side magnetic core (912) is circumferentially 120 ° of imperfect circular ring structure, and inner headed face is provided with U-type groove；There is nylon jacket the outside of the primary coil (913)；The inductive power supply secondary (92) is made up of secondary magnetic core seat (63), secondary magnetic core (921) and secondary coil (922)；Should Secondary magnetic core seat (63) is fixed on oval ultrasonic handle of a knife (2), and secondary magnetic core (921) is located at the U-shaped of secondary magnetic core seat (63) The inside of groove, secondary coil (922) are wrapped in inside the U-type groove of secondary magnetic core (921), and by secondary magnetic core seat (63) Second threading hole (65) the oval ultrasonic transducer (7) internal with BT handle of a knifes shell (6) is connected；The secondary magnetic core seat (63) and BT handle of a knifes shell (6) one, are made up of the two U-shaped annular grooves arranged in the axial direction, are whole Circle structure, the width of U-shaped annular groove is consistent with the width of secondary magnetic core (921), and two second threading side by side are arranged at U-shaped annular groove bottom Hole (65) is symmetrical in 180 °；The secondary magnetic core (921) is spliced by the magnetic core of two semi-circular shape, is placed on secondary magnetic core seat (63) inside, Its periphery is provided with U-type groove；There is nylon jacket the outside of the secondary coil (922)；The ultrasonic handle of a knife of ellipse (2) is by BT handle of a knifes shell (6), oval ultrasonic transducer (7), cutter (8), blind rivet (3) and spiral shell Bolt (11) forms；The cutter (8) is connected by hot charging head (81) with oval ultrasonic transducer (7), and oval ultrasonic transducer (7) is logical The inside that bolt (11) is fixed to BT handle of a knifes shell (6) is crossed, whole oval ultrasonic handle of a knife (2) is added by blind rivet (3) fixed to numerical control On work center machine tool main shaft (4)；The BT handle of a knifes shell (6) includes taper shank (61), annular groove (62), secondary magnetic core seat (63), inner chamber (64), bolt hole (66)；The taper shank (61) is located at afterbody, and digital controlled processing central machine tool main shaft (4) connection, annular groove (62) are located at BT handle of a knifes In the middle part of shell (6), secondary magnetic core seat (63) is located at the head of BT handle of a knifes shell (6), and its U-type groove bottom is provided with the second threading hole (65), Inner chamber is provided with inside BT handle of a knifes shell (6)；The taper shank (61) is consistent with the taper shank of standard BT handle of a knifes, fixed on digital controlled processing central machine tool main shaft (4)；The annular groove (62) is consistent with the annular groove of standard BT handle of a knifes；The inner chamber (64) for being used to place oval ultrasonic transducer (7) is stepped cylinder cavity structure；The bolt hole (66) for being used for the fixation of oval ultrasonic transducer (7) ring flange is M4*1 screwed hole；The oval ultrasonic transducer (7) by ultrasonic transformer (71), piezoelectric ceramic stack (72), back shroud (74), copper electrode (73) and absolutely Edge set (75) forms；Ultrasonic transformer (71) end greatly is provided with screw rod (711), and its external diameter is cased with insulation sleeve (75)；The ultrasonic transformer (71) is stepped cylindrical structure, and big end is provided with screw rod (711), and small end is provided with screwed hole；The ultrasonic transformer (71) middle part is provided with ring flange；The piezoelectric ceramic stack (72) is made up of four groups of semi-circular potsherds according to different polarised direction arrangements；The back shroud (74) is the internal cylindrical structure for being threaded hole, and the surface contacted with piezoelectric ceramic stack (72) is smooth；The copper electrode (73) is circular ring, and its external diameter and internal diameter are consistent with piezoelectric ceramic stack (72)；The insulation sleeve (75) is round tube shape structure, is enclosed on the screw rod (711) that ultrasonic transformer (71) is provided with；The cutter (8) selects milling cutter, drill bit and diamond to cover one kind in whetting a knife as required according to the different of processing type；Should Tight fit between form and hot charging head (81) that cutter (8) passes through hot charging, hot charging head (81) are fixed to ellipse by the form of screw thread Ultrasonic transformer (71) front end of circle ultrasonic transducer (7).
- A kind of 2. oval ultrasonic machining device of contactless inductive power supply according to claim 1, it is characterised in that：It is described The copper electrode (73) of circular ring, its thickness are 0.2mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720538094.7U CN206898463U (en) | 2017-05-12 | 2017-05-12 | A kind of oval ultrasonic machining device of contactless inductive power supply |
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| CN201720538094.7U CN206898463U (en) | 2017-05-12 | 2017-05-12 | A kind of oval ultrasonic machining device of contactless inductive power supply |
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| CN (1) | CN206898463U (en) |
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| CN108418315A (en) * | 2018-03-07 | 2018-08-17 | 大连理工大学 | A kind of non-contact rotary Ultrasonic machining energy transmission and the device and method of feedback signal acquisition |
| CN108856779A (en) * | 2018-06-28 | 2018-11-23 | 武汉理工大学 | A kind of ultrasonic drill aperture apparatus |
| CN110052870A (en) * | 2019-04-26 | 2019-07-26 | 上海应用技术大学 | A kind of ultrasound knife handle |
| CN110561203A (en) * | 2019-08-02 | 2019-12-13 | 浙江大学 | Distributed wireless energy transmission rotary ultrasonic machining device |
| CN110653668A (en) * | 2019-11-29 | 2020-01-07 | 中国科学院宁波材料技术与工程研究所 | Three-dimensional variable-parameter rotary ultrasonic grinding device for hard and brittle materials for automobiles |
| CN111940771A (en) * | 2019-05-17 | 2020-11-17 | 中国科学院宁波材料技术与工程研究所 | Ultrasonic knife handle |
| CN116000649A (en) * | 2022-12-15 | 2023-04-25 | 中国机械总院集团江苏分院有限公司 | Full-coupling wireless transmission ultrasonic knife handle and ultrasonic system meeting ISO standard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108418315A (en) * | 2018-03-07 | 2018-08-17 | 大连理工大学 | A kind of non-contact rotary Ultrasonic machining energy transmission and the device and method of feedback signal acquisition |
| CN108418315B (en) * | 2018-03-07 | 2021-05-04 | 大连理工大学 | Device and method for non-contact type rotary ultrasonic machining energy transmission and feedback signal acquisition |
| CN108856779A (en) * | 2018-06-28 | 2018-11-23 | 武汉理工大学 | A kind of ultrasonic drill aperture apparatus |
| CN110052870A (en) * | 2019-04-26 | 2019-07-26 | 上海应用技术大学 | A kind of ultrasound knife handle |
| CN110052870B (en) * | 2019-04-26 | 2021-07-20 | 上海应用技术大学 | Ultrasonic knife handle |
| CN111940771A (en) * | 2019-05-17 | 2020-11-17 | 中国科学院宁波材料技术与工程研究所 | Ultrasonic knife handle |
| CN110561203A (en) * | 2019-08-02 | 2019-12-13 | 浙江大学 | Distributed wireless energy transmission rotary ultrasonic machining device |
| CN110561203B (en) * | 2019-08-02 | 2021-06-04 | 浙江大学 | Distributed wireless energy transmission rotary ultrasonic machining device |
| CN110653668A (en) * | 2019-11-29 | 2020-01-07 | 中国科学院宁波材料技术与工程研究所 | Three-dimensional variable-parameter rotary ultrasonic grinding device for hard and brittle materials for automobiles |
| CN116000649A (en) * | 2022-12-15 | 2023-04-25 | 中国机械总院集团江苏分院有限公司 | Full-coupling wireless transmission ultrasonic knife handle and ultrasonic system meeting ISO standard |
| CN116000649B (en) * | 2022-12-15 | 2024-04-19 | 中国机械总院集团江苏分院有限公司 | Full-coupling wireless transmission ultrasonic knife handle and ultrasonic system meeting ISO standard |
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