CN110394463A - A kind of ultrasonic main shaft and the ultrasonic wave lathe including it - Google Patents
A kind of ultrasonic main shaft and the ultrasonic wave lathe including it Download PDFInfo
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- CN110394463A CN110394463A CN201910825419.3A CN201910825419A CN110394463A CN 110394463 A CN110394463 A CN 110394463A CN 201910825419 A CN201910825419 A CN 201910825419A CN 110394463 A CN110394463 A CN 110394463A
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- main shaft
- rod
- electric conductor
- ultrasonic
- conduct piece
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- 239000004020 conductor Substances 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 11
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to ultrasonic wave processing technical fields, disclose a kind of ultrasonic main shaft, on the one hand, the ultrasonic main shaft passes through setting wireless transmission component and wireless receiving component, contactless electrically conduct is formd between rotary shaft and cylinder base, it can avoid conductive structure and generate abrasion, extend the service life of main shaft, promote the cutting operation effect of high-frequency vibration；On the other hand, since conduct piece is focused on the body of rod, to which dual contraposition is converted into single contraposition, It greatly reduces contraposition difficulty, thus, during the socket of ultrasonic wave knife handle and rotary shaft, only the body of rod need to be docked with blind rivet, can be formed between conduct piece and electric conductor it is effective be electrically connected, in turn, stable the case where electrically conducting, not having poor contact generation can be formed between ultrasonic wave knife handle and rotary shaft.In addition, equally having many advantages, such as the stabilization that electrically conducts the present invention also provides a kind of ultrasonic wave lathe, processing effect is good.
Description
Technical field
The present invention relates to ultrasonic wave processing technical field more particularly to a kind of ultrasonic main shaft and including its ultrasonic drilling machine
Bed.
Background technique
The vibration machining mechanism of high frequency is imported during processing operation, the surface that can not only improve machining face is thick
Rugosity and raising machining accuracy, can more reduce cutting resistance, increase the service life of cutter, thus gradually be widely used.
Existing ultrasonic main shaft is usually to be made of pedestal, rotary shaft and ultrasonic wave knife handle, and rotary shaft is set up in seat
In vivo, and in lower end sets of holes are equipped with, power connection are equipped in sets of holes, which passes through the bearing between rotary shaft and pedestal
Or carbon brush is electrically connected with external power supply formation.The power connection is equipped with the first conducting element in extra heavy pipe shape, and first leads at this
Electric device interior insulation is equipped with the second conducting element in thin tube-like.Ultrasonic wave knife handle is provided at an outer portion in coniform plant
Portion, it is internal then be equipped with oscillator with sleeve in the sets of holes of the rotary shaft, and be equipped in upper end and pierce circuit is electrically connected
Attaching plug, which is equipped with the first electrode of corresponding first conducting element, and is equipped with and corresponds in the first electrode
The second electrode of second conducting element.When in the sets of holes of ultrasonic wave knife handle insertion rotary shaft, the first of attaching plug was electric before this
Pole is socketed on the outer ring surface of the first conducting element of the power connection, then is that second electrode is plugged in the second conducting element, such as
This, power connection is electrically connected with attaching plug；External power supply export electric current, and via power lead group, power connection with
And attaching plug is conducted to the oscillator of ultrasonic wave knife handle, to drive ultrasonic wave knife handle to make high-frequency vibration.
The shortcomings that above structure, is:
1, there is assembly clearance, therefore, when inner ring and steel ball are with rotary shaft high speed between the inside and outside circle and steel ball of bearing
When rotation, the bounce that the centrifugal force or when machining generated generates easily disengages inner ring with steel ball, and then generation
The case where momentary breaks, influences the cutting operation effect of high-frequency vibration so that cutter can not steadily make high-frequency vibration.
2, for carbon brush structure, since the technological means of existing elastic carbon brush part provides elastic force pushing and pressing respectively with elastic component
The carbon brush part is mobile to the major axes orientation, if the elastic force of pushing and pressing opposite can also improve when the decrement of the elastic component is excessive,
The abrasion in turn resulting in the carbon brush part is more serious；Conversely, if when the decrement of the elastic component is too small, because of the elastic force of pushing and pressing
Deficiency, and then cause the carbon brush part that can not contact conducting ring, or even there is a situation where open circuits.
3, when the not yet complete sleeve of the inserting part of ultrasonic wave knife handle is positioned in the sets of holes of rotary shaft, due to the ultrasonic wave
Knife handle and rotary shaft still have the deviation on position, opposite, the first and second electrode and electricity of the attaching plug of the ultrasonic wave knife handle
First and second conducting element of source connector also not yet accurately aligns, therefore, when the first and second electrode and the power supply of attaching plug connect
When the leading grafting of the first and second conducting element of head, attaching plug or power connection is be easy to cause to damage.
4, again due to all comparable point of shape of the second electrode of the second conducting element and attaching plug of the power connection
Carefully, therefore, during the grafting of the second electrode of attaching plug and the second conducting element of power connection, the two must be more smart
Quasi- contraposition, if position slightly deviation, second electrode or the second conducting element are easily damaged because wearing away or bending.
In conclusion not only service life is low for the conductive structure of existing ultrasonic main shaft, more make power supply can not be steadily
Electric energy is transmitted to the oscillator of hilt, cutting operation effect is poor.
Summary of the invention
The object of the present invention is to provide a kind of long service life, and electrically conduct stabilization, can meet high speed demand, safety
Height, the good ultrasonic main shaft of processing effect and the ultrasonic wave lathe including it.
To achieve the goals above, the present invention provides a kind of ultrasonic main shafts comprising:
Cylinder base, the cylinder base is interior to be equipped with wireless transmission component；
Rotary shaft, the rotary shaft are arranged in the cylinder base and are connected by bearing with the cylinder base, the rotation
Axis is equipped with wireless receiving component, and the wireless receiving component and the wireless transmission inter-module be every being oppositely arranged, the rotation
The inside of shaft is equipped with cavity, and the front end of the rotary shaft is equipped with the sets of holes being connected with the cavity；
Pull rod, the pull rod are set in the cavity and can slide along the cavity, and the front end of the pull rod is equipped with pawl seat；
Clamping jaw, the clamping jaw are connected by the pawl seat with the pull rod, and can be slided with the pull rod；
Conductive component, the conductive component include the body of rod and on the body of rod and the first conduct piece insulated from each other
With the second conduct piece, the body of rod is fixed on the front end of the pull rod, and first conduct piece passes through a conducting wire and described wireless
The coil of receiving unit is electrically connected, and second conduct piece is electrically connected by a conducting wire with the coil of the wireless receiving component；
Ultrasonic wave knife handle, the ultrasonic wave knife handle include knife handle ontology, blind rivet, amplitude transformer and oscillator, the knife handle sheet
Body can be socketed by the sets of holes and the rotary shaft, and the rear end of the knife handle ontology is equipped with mounting groove, and the blind rivet passes through institute
It states mounting groove to be fixedly connected with the knife handle ontology, the blind rivet connect or disengages with the clamping jaw, before the knife handle ontology
End is equipped with link slot, and the amplitude transformer is fixedly connected by the link slot with the knife handle ontology, and the oscillator is fixed on institute
It states in amplitude transformer, the rear end of the blind rivet is additionally provided with the first electric conductor and the second electric conductor insulated from each other, and described first is conductive
Body be electrically connected by a conducting wire with the first electrode of the oscillator, and second electric conductor passes through the of a conducting wire and the oscillator
The electrical connection of two electrodes.
Preferably, the rear end of the blind rivet is equipped with groove, and first electric conductor and second electric conductor are set
In in the groove.
Preferably, the front end of the body of rod is protruded into the groove, and makes first conduct piece and described the
The electrical connection of one electric conductor and second conduct piece are electrically connected with second electric conductor.
Preferably, dead ring is equipped in the groove, first electric conductor and second electric conductor are set to
In the dead ring, the front end of the body of rod is inserted into the collar extension of the dead ring.
Preferably, the rear end of the blind rivet protrudes from the rear end face of the dead ring backward.
Preferably, sealing ring is equipped between the body of rod and the dead ring.
Preferably, first electric conductor is equipped with the first resilient contact, is used for and first conductive body contact
Electrical connection is formed afterwards；
Second electric conductor is equipped with the second resilient contact, for being electrically connected with being formed after second conductive body contact.
Preferably, the pull rod is equipped with the first duct of perforation, connects first conduct piece and described wireless
The conducting wire of the coil of the conducting wire of the coil of receiving unit and connection second conduct piece and the wireless receiving component is from institute
It states and is passed through in the first duct.
Preferably, the both ends of the pull rod are run through in first duct.
Preferably, the blind rivet is equipped with the second duct of perforation, connects first electric conductor and the oscillator
First electrode conducting wire and connection second electric conductor and the oscillator second electrode conducting wire from second hole
It is passed through in road.
Preferably, the both ends of the blind rivet are run through in second duct.
Preferably, withdrawing chamber is equipped between the cavity and the sets of holes.
Preferably, the oscillator is fixed on the rear end of the amplitude transformer, and the knife handle ontology is equipped with described in connection
The cable-through hole of link slot and the mounting groove, connect the first electrode of first electric conductor and the oscillator conducting wire and
It connects second electric conductor and the conducting wire of the second electrode of the oscillator is passed through from the cable-through hole.
Preferably, first conduct piece is embedded at the inside of the body of rod, one end of first conduct piece
It exposes to the rear end of the body of rod and is connected with the conducting wire for the coil for connecting the wireless receiving component, first conduct piece
The other end expose to the lateral wall of the body of rod, for being electrically connected with being formed after first conductive body contact；And/or
Preferably, second conduct piece is embedded at the inside of the body of rod, one end of second conduct piece
It exposes to the rear end of the body of rod and is connected with the conducting wire for the coil for connecting the wireless receiving component, second conduct piece
The other end expose to the lateral wall of the body of rod, for being electrically connected with being formed after second conductive body contact.
Preferably, first conduct piece is conductive round tube, and second conduct piece is conductive round tube.
Preferably, the conductive component further includes lantern ring, and lateral surface of the body of rod close to its rear end is equipped with
Flange, the set are located on the outside of the body of rod and compress the flange, and the front end of the pull rod is equipped with deep gouge, the lantern ring
It is fixed in the deep gouge.
Preferably, the lateral surface of the lantern ring is equipped with screw thread, and the lantern ring passes through the screw thread and the pull rod
It is fixedly connected；Or
The lantern ring and the pull rod weld.
Preferably, sealing ring is equipped between the body of rod and the lantern ring.
Preferably, the body of rod is equipped with the through hole through its both ends.
Another object of the present invention is to provide a kind of ultrasonic wave lathes comprising ultrasonic power and above-mentioned ultrasound
Wave main shaft, the ultrasonic power are electrically connected with the coil of the wireless transmission component.
The embodiment of the present invention provides a kind of ultrasonic main shaft, compared with prior art, the beneficial effect is that:
On the one hand, ultrasonic main shaft provided by the invention is by the setting wireless transmission component on cylinder base, and is rotating
Wireless receiving component is set on axis, can make to be formed between rotary shaft and cylinder base it is contactless electrically conduct, this not only can avoid
Conductive structure generates abrasion, extends the service life of main shaft, promotes the cutting operation effect of high-frequency vibration, also can avoid rotary shaft
Beat movement and the case where generate momentary breaks, promote the stability to electrically conduct, it is ensured that oscillator can steadily obtain work
Make electric current, also, the revolving speed of rotary shaft can be also significantly increased in contactless electrically conducting, it is made to meet high-revolving need
It asks.
On the other hand, ultrasonic main shaft provided by the invention is led by the way that conductive component is arranged on pull rod, and by first
Electric body and the second electric conductor concentrate on the rear end of blind rivet, can make to be located at ultrasound at contact electrical connection of the ultrasonic wave knife handle with rotary shaft
In wave knife handle or rotary shaft, rather than the exposed gap location in ultrasonic wave knife handle and rotary shaft, therefore can avoid leaky, disappear
Except security risk；At the same time, since two conduct pieces are focused on the same body of rod, thus by two conduct pieces and two
Dual contraposition between electric conductor is converted into the single contraposition between the body of rod and blind rivet, It greatly reduces contraposition difficulty,
As a result, during the socket of ultrasonic wave knife handle and rotary shaft, the body of rod need to only be docked with blind rivet, the first conduct piece is led with first
Can be formed between electric body and between the second conduct piece and the second electric conductor it is effective be electrically connected, in turn, ultrasonic wave knife handle with
Stable the case where electrically conducting, not having poor contact generation can be formed between rotary shaft.
In addition, the present invention also provides a kind of ultrasonic wave lathe, it is same since which employs above-mentioned ultrasonic main shafts
Sample has many advantages, such as the stabilization that electrically conducts, and processing effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ultrasonic main shaft of the embodiment of the present invention one；
Fig. 2 is the partial schematic diagram in the region I in Fig. 1；
Fig. 3 is the structural schematic diagram of the ultrasonic main shaft for not installing ultrasonic wave processing component of the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the ultrasonic wave processing component of the embodiment of the present invention one；
Fig. 5 is the structural schematic diagram of the ultrasonic wave lathe of the embodiment of the present invention two.
In figure: 100, ultrasonic main shaft；1, cylinder base；2, rotary shaft；201, cavity；202, sets of holes；203, withdrawing chamber；3, it draws
Bar；301, pawl seat；302, the first duct；303, deep gouge；4, clamping jaw；401, pawl arm；5, bearing；6, wireless transmission component；7, nothing
Line receiving unit；8, conductive component；801, the body of rod；802, the first conduct piece；803, the second conduct piece；804, lantern ring；805,
Two sealing rings；806, through hole；9, cutter；10, knife handle ontology；1001, mounting groove；1002, link slot；1003, cable-through hole；
11, blind rivet；1102, the second duct；1103, groove；12, amplitude transformer；1201, connecting hole；13, oscillator；14, collet chuck；15, it seals
Nut；16, the first electric conductor；17, the second electric conductor；18, dead ring；19, the first sealing ring；200, ultrasonic power.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It should be pointed out that in the description of the present invention, the instruction such as term " on ", "lower", "left", "right", "top", "bottom"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Likewise, it should be understood that describe various information in the present invention using term " first ", " second " etc., but
These information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not taking off
In the case where from the scope of the invention, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
In addition, it should also be noted that, in the description of the present invention, " in rotary shaft ", " in amplitude transformer ", " on the body of rod " etc.
"upper" in sentence includes " inside ", " outside ", " top ", lower part " etc. meanings.Term " front end " and " rear end " refer to and cut
Cutting knife tool is " front end " close to one end of workpieces processing in use process, is " rear end " away from one end of workpieces processing.
Embodiment one
As shown in Figure 1, the embodiment of the present invention provides a kind of ultrasonic main shaft 100, mainly include cylinder base 1, rotary shaft 2,
Pull rod 3, clamping jaw 4 and ultrasonic wave processing component.
Specifically, as shown in Figure 1 to Figure 3, cylinder base 1 is not moving part, rotary shaft 2 be arranged in cylinder base 1 and by bearing 5 with
Cylinder base 1 is connected, and rotary shaft 2 can be rotated relative to cylinder base 1 as a result,.The inside of rotary shaft 2 is equipped with cavity 201, and pull rod 3 is set to
It can slide up and down in cavity 201 and along cavity 201.The front end of pull rod 3 is equipped with pawl seat 301, and clamping jaw 4 passes through pawl seat 301 and pull rod 3
It is connected, and can be slided up and down with pull rod 3.The front end of rotary shaft 2 is equipped with the sets of holes 202 being connected with cavity 201, sets of holes
Withdrawing chamber 203 is equipped between 202 and cavity 201.When pull rod 3 is along 201 slide downward of cavity, clamping jaw 4 is entered by cavity 201 to be moved back
Knife chamber 203, to open pawl arm 401；When pull rod 3 is along 201 upward sliding of cavity, clamping jaw 4 enters cavity 201 by withdrawing chamber 203,
To collapse pawl arm 401.
Further, wireless transmission component 6 is equipped in cylinder base 1, rotary shaft 2 is equipped with wireless receiving component 7, wireless receiving
Component 7 is oppositely arranged with the interval of wireless transmission component 6.Pull rod 3 be equipped with conductive component 8, conductive component 8 include the body of rod 801 with
And on the body of rod 801 and the first conduct piece 802 insulated from each other and the second conduct piece 803, the body of rod 801 are fixed on pull rod 3
Front end, the first conduct piece 802 are electrically connected by the first conducting wire with the coil of wireless receiving component 7, and the second conduct piece 803 passes through the
Two conducting wires are electrically connected with the coil of wireless receiving component 7.Based on this, by being electrically connected to a power source, the coil of wireless transmission component 6
It can produce stable induced magnetic field, as rotary shaft 2 makes rotating motion relative to wireless transmission component 6, wireless receiving component 7
Coil can generate induced current by cutting magnetic induction line, in this way, using electromagnetic induction principle, shape between rotary shaft 2 and cylinder base 1
It electrically conducts at contactless, therefore the first conduct piece 802 and the second conduct piece 803 also charge.
Specifically, as shown in Figure 1, Figure 2 and shown in Fig. 4, ultrasonic wave processing component includes ultrasonic wave knife handle and cutter 9, wherein
Ultrasonic wave knife handle includes knife handle ontology 10, blind rivet 11, amplitude transformer 12 and oscillator 13 again.Knife handle ontology 10 can pass through sets of holes 202
It is socketed with rotary shaft 2, is rotated with realizing with the rotation of rotary shaft 2；The rear end of knife handle ontology 10 is equipped with mounting groove 1001, draws
Nail 11 is fixedly connected by mounting groove 1001 with knife handle ontology 10, and connection type here can be grafting, be also possible to be spirally connected；
The front end of knife handle ontology 10 is equipped with link slot 1002, and amplitude transformer 12 is fixedly connected by link slot 1002 with knife handle ontology 10, together
Sample, connection type here can be grafting, be also possible to be spirally connected；Oscillator 13 is fixed on the rear end of amplitude transformer 12；Amplitude transformer
12 front end is equipped with the connecting hole 1201 of taper, and cutter 9 passes through the collet chuck 14 and 1201 grafting of connecting hole or spiral shell being arranged outside it
It connects；In order to promote the connective stability between cutter 9 and ultrasonic wave knife handle, the latter further includes sealing nut 15, sealing nut 15
It is spirally connected with the front end of amplitude transformer 12 and compresses collet chuck 14.It should be pointed out that cutter 9 can also directly by connecting hole 1201 with
Amplitude transformer 12 is connected, or is, the front end of amplitude transformer 12 is not provided with connecting hole 1201 and tapered, and cutter 9 is equipped with dress
Distribution, cutter 9 are connected to the front end of amplitude transformer 12 by the pilot hole, and certainly, above-mentioned connection type can be grafting, can also be with
It is to be spirally connected.
Further, the rear end of blind rivet 11 is additionally provided with the first electric conductor 16 and the second electric conductor 17 insulated from each other, and first
Electric conductor 16 is electrically connected by privates with the first electrode of oscillator 13, and the second electric conductor 17 passes through privates and oscillator 13
Second electrode electrical connection.
Based on above structure, when knife handle ontology 10 and the socket of rotary shaft 2, the rear end of blind rivet 11 is protruded into cavity 201, with
This simultaneously, the first conduct piece 802 contacts with the first electric conductor 16 and is formed electrical connection, the second conduct piece 803 and the second electric conductor
17 contact and form electrical connection, electrically conduct in this way, also forming between ultrasonic wave knife handle and rotary shaft 2, wireless receiving component 7
The electric current that is generated by cutting magnetic induction line of coil can be transmitted to oscillator 13, so that its is generated high-frequency vibration, with promoted cutter 9 or
The cutting operation effect of cutterhead.
Compared with prior art, on the one hand, contactless electrically conduct formed between rotary shaft 2 and cylinder base 1 not only may be used
It avoids conductive structure from generating abrasion, extends the service life of main shaft, promote the cutting operation effect of high-frequency vibration, also can avoid rotation
The case where beat of shaft 2 acts and generates momentary breaks, promotes the stability to electrically conduct, it is ensured that oscillator 13 can be steadily
Operating current is obtained, also, the revolving speed of rotary shaft 2 can be also significantly increased in contactless electrically conducting, it is made to meet high turn
The demand of speed.
On the other hand, ultrasonic main shaft 100 provided in an embodiment of the present invention by pull rod 3 be arranged conductive component 8, with
And the first electric conductor 16 and the second electric conductor 17 are concentrated on to the rear end of blind rivet 11, connecing for ultrasonic wave knife handle and rotary shaft 2 can be made
Electric shock junction is located in ultrasonic wave knife handle or rotary shaft 2, rather than the exposed gap location in ultrasonic wave knife handle and rotary shaft 2,
Therefore it can avoid leaky, eliminate safe hidden trouble；At the same time, since two conduct pieces are focused on the same body of rod 801
On, so that the dual contraposition between two conduct pieces and two electric conductors to be converted into the list between the body of rod 801 and blind rivet 11
One contraposition, It greatly reduces contraposition difficulty, only need to be by bar as a result, during the socket of ultrasonic wave knife handle and rotary shaft 2
Body 801 is docked with blind rivet 11, and between the first conduct piece 802 and the first electric conductor 16 and the second conduct piece 803 and second is conductive
Effective electrical connection can be formed between body 17, can be formed stable electrical property in turn, between ultrasonic wave knife handle and rotary shaft 2 and be led
The case where leading to, not having poor contact generation.
Further, when knife handle ontology 10 and rotary shaft 2 are socketed, there are two states between clamping jaw 4 and blind rivet 11,
That is: connection status, as shown in Figure 1, clamping jaw 4 is located in cavity 201, the pawl arm 401 of clamping jaw 4 collapses and clamps blind rivet 11, with true
Protecting knife handle ontology 10 will not be detached from rotation with rotary shaft 2；Disengaged condition, clamping jaw 4 are located in withdrawing chamber 203, the pawl of clamping jaw 4
Arm 401 is opened and is disengaged with blind rivet 11, to realize that withdrawing operates.
As shown in Fig. 2, in order to promote the stability that is electrically connected between conduct piece and electric conductor, the first electric conductor 16 is equipped with the
One resilient contact, the second electric conductor 17 are equipped with the second resilient contact, and the first conduct piece 802 is in contact with the first resilient contact, with
Electrical connection is formed, the second conduct piece 803 is in contact with the second resilient contact, to form electrical connection.
As shown in Fig. 2, in order to form good conductive environment, the rear end of blind rivet 11 is equipped with groove 1103, in groove 1103
Equipped with dead ring 18, the first electric conductor 16 and the second electric conductor 17 are set in dead ring 18, when knife handle ontology 10 and 2 sets of rotary shaft
When connecing, in the collar extension of the front end insertion dead ring 18 of the body of rod 801.Preferably, the rear end of blind rivet 11 protrudes from dead ring backward
18 rear end face will receive shock to protect dead ring 18 not and damage.In addition, being additionally provided between the body of rod 801 and dead ring 18
First sealing ring 19, when the front end of the body of rod 801 is protruded into the collar extension of dead ring 18, the first sealing ring 19 can be on the body of rod 801
Water or sundries cleared up, to improve the reliability being electrically connected between electric conductor and conduct piece.
Further, as shown in figures 1 and 3, pull rod 3 is equipped with the first duct 302 of perforation, the first conducting wire and the second conducting wire
It is passed through from the first duct 302.In order to optimize the arrangement of the first conducting wire and the second conducting wire, the two of pull rod 3 are run through in the first duct 302
End.
Similar, as shown in Figure 1 and Figure 4, blind rivet 11 is equipped with the second duct 1102 of perforation, also, the second duct 1102
It is connected with groove 1103, privates and privates are passed through from the second duct 1102.In order to optimize privates and
The both ends of blind rivet 11 are run through in the arrangement of four conducting wires, the second duct 1102.In addition, knife handle ontology 10 is additionally provided with connection link slot 1002
With the cable-through hole 1003 of mounting groove 1001, privates and privates are passed through from cable-through hole 1003.
As shown in Fig. 2, the first conduct piece 802 and the second conduct piece 803 in the present embodiment are the conduction of metal material
Round tube, the body of rod 801 are isolation material, are embedded the first conduct piece 802 and the second conduct piece 803 by way of injection molding
The rear end of the body of rod 801 is exposed in one end of inside, also, the first conduct piece 802 and is connected with the first conducting wire, and first is conductive
The other end of part 802 exposes to the lateral wall of the body of rod 801, for forming electrical connection after contacting with the first electric conductor 16, likewise,
One end of second conduct piece 803 exposes to the rear end of the body of rod 801 and is connected with the second conducting wire, the second conduct piece 803 it is another
End exposes to the lateral wall of the body of rod 801, for forming electrical connection after contacting with the second electric conductor 17.Based on this, conduct piece with lead
Contraposition between electric body require it is lower, during the body of rod 801 protrudes into groove 1103, the first conduct piece 802 and second conductive
Part 803 is not easy to be worn or bend, and then can effectively extend the service life of ultrasonic main shaft 100, guarantees electrical conductivity
Stability.
Further, as shown in Fig. 2, the conductive component 8 in the present embodiment further includes lantern ring 804, the body of rod 801 is close to thereafter
The lateral surface at end is equipped with flange, and lantern ring 804 is placed on the outside of the body of rod 801 and supported flange, and the front end of pull rod 3 is equipped with deep gouge
303, lantern ring 804 is fixed in deep gouge 303.The impurity such as water, vapour destroy the first conduct piece 802 and the second conduct piece in order to prevent
803, while the phenomenon that leak electricity in order to prevent, the second sealing ring 805 is equipped between the body of rod 801 and lantern ring 804, in this implementation
In example, the second sealing ring 805 is set as two, and two the second sealing rings 805 are respectively arranged on the two sides of flange.
Illustratively, there are many connection types between lantern ring 804 and pull rod 3, for example, the lateral surface of lantern ring 804 is equipped with
Screw thread, lantern ring 804 is fixedly connected by screw thread with blind rivet 11, or is, lantern ring 804 is directly welded with pull rod 3.
Optionally, as shown in Figure 1 to Figure 2, the body of rod 801 is equipped with the through hole 806 through its both ends, through hole 806 and drawing
First duct 302 of bar 3 is connected, also, when knife handle ontology 10 and rotary shaft 2 are socketed, and through hole 806 is similarly and blind rivet
11 the second duct 1102 is connected.Based on this, the mountable cooling device of ultrasonic main shaft 100, during cutting operation,
Cooling device can be dropped by injecting cooling medium into the first duct 302 of connection, through hole 806 and the second duct 1102
The heat of low oscillator 13 and cutter 9 improves its operating condition, promotes processing quality.
Embodiment two
As shown in figure 5, the embodiment of the present invention provides a kind of ultrasonic wave lathe, it mainly include ultrasonic power 200 and reality
Apply the ultrasonic main shaft 100 of the offer of example one, wherein 200 electricity of wireless transmission component 6 and ultrasonic power of ultrasonic main shaft 100
Connection, the ultrasonic power 200 can be the external power supply independently of ultrasonic wave lathe, also can integrate in ultrasonic wave lathe
On.
To sum up, the embodiment of the invention provides a kind of ultrasonic main shaft 100 and including its ultrasonic wave lathe, with existing skill
Art is compared, which has long service life, and electrically conduct stabilization, can meet high speed demand, highly-safe,
The advantages that processing effect is good, the ultrasonic wave lathe are same to have electrical lead due to using above-mentioned ultrasonic main shaft 100
The advantages that logical stabilization, processing effect is good.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (20)
1. a kind of ultrasonic main shaft characterized by comprising
Cylinder base, the cylinder base is interior to be equipped with wireless transmission component；
Rotary shaft, the rotary shaft is arranged in the cylinder base and is connected by bearing with the cylinder base, in the rotary shaft
Equipped with wireless receiving component, and the wireless receiving component and the wireless transmission inter-module be every being oppositely arranged, the rotary shaft
Inside be equipped with cavity, the front end of the rotary shaft is equipped with the sets of holes being connected with the cavity；
Pull rod, the pull rod are set in the cavity and can slide along the cavity, and the front end of the pull rod is equipped with pawl seat；
Clamping jaw, the clamping jaw are connected by the pawl seat with the pull rod, and can be slided with the pull rod；
Conductive component, the conductive component include the body of rod and on the body of rod and the first conduct piece insulated from each other and
Two conduct pieces, the body of rod are fixed on the front end of the pull rod, and first conduct piece passes through a conducting wire and the wireless receiving
The coil of component is electrically connected, and second conduct piece is electrically connected by a conducting wire with the coil of the wireless receiving component；
Ultrasonic wave knife handle, the ultrasonic wave knife handle include knife handle ontology, blind rivet, amplitude transformer and oscillator, and the knife handle ontology can
It is socketed by the sets of holes and the rotary shaft, the rear end of the knife handle ontology is equipped with mounting groove, and the blind rivet passes through the peace
Tankage is fixedly connected with the knife handle ontology, and the blind rivet connect or disengages with the clamping jaw, and the front end of the knife handle ontology is set
There is link slot, the amplitude transformer is fixedly connected by the link slot with the knife handle ontology, and the oscillator is fixed on the change
On width bar, the rear end of the blind rivet is additionally provided with the first electric conductor and the second electric conductor insulated from each other, and first electric conductor is logical
It crosses a conducting wire to be electrically connected with the first electrode of the oscillator, the second electricity that second electric conductor passes through a conducting wire and the oscillator
Pole electrical connection.
2. ultrasonic main shaft according to claim 1, which is characterized in that the rear end of the blind rivet is equipped with groove, and described the
One electric conductor and second electric conductor are set in the groove.
3. ultrasonic main shaft according to claim 1, which is characterized in that the front end of the body of rod is protruded into the groove,
And it is electrically connected first conduct piece with first electric conductor and second conduct piece and second electric conductor electricity
Connection.
4. ultrasonic main shaft according to claim 3, which is characterized in that it is equipped with dead ring in the groove, described first
Electric conductor and second electric conductor are set in the dead ring, and the front end of the body of rod is inserted into the collar extension of the dead ring.
5. ultrasonic main shaft according to claim 4, which is characterized in that the rear end of the blind rivet protrudes from described exhausted backward
The rear end face of edge ring.
6. ultrasonic main shaft according to claim 4, which is characterized in that be equipped between the body of rod and the dead ring close
Seal.
7. ultrasonic main shaft according to claim 1, which is characterized in that first electric conductor is equipped with the first elasticity touching
Point, for being electrically connected with being formed after first conductive body contact；
Second electric conductor is equipped with the second resilient contact, for being electrically connected with being formed after second conductive body contact.
8. ultrasonic main shaft according to claim 1, which is characterized in that the pull rod is equipped with the first duct of perforation, even
It connects first conduct piece and the conducting wire of the coil of the wireless receiving component and connect second conduct piece and the nothing
The conducting wire of the coil of line receiving unit is passed through from first duct.
9. ultrasonic main shaft according to claim 8, which is characterized in that the two of the pull rod are run through in first duct
End.
10. ultrasonic main shaft according to claim 1, which is characterized in that the blind rivet is equipped with the second duct of perforation, even
It connects first electric conductor and the conducting wire of the first electrode of the oscillator and connect second electric conductor and the oscillator
The conducting wire of second electrode is passed through from second duct.
11. ultrasonic main shaft according to claim 10, which is characterized in that the two of the blind rivet are run through in second duct
End.
12. ultrasonic main shaft according to claim 1, which is characterized in that be equipped with and move back between the cavity and the sets of holes
Knife chamber.
13. ultrasonic main shaft according to claim 1, which is characterized in that after the oscillator is fixed on the amplitude transformer
End, the knife handle ontology are equipped with the cable-through hole for being connected to the link slot and the mounting groove, connect first electric conductor and institute
The conducting wire of the first electrode of oscillator and the conducting wire of connection second electric conductor and the second electrode of the oscillator are stated from described
It is passed through in cable-through hole.
14. ultrasonic main shaft according to claim 1, which is characterized in that first conduct piece is embedded at the body of rod
Inside, one end of first conduct piece expose to the rear end of the body of rod and with the coil that connect the wireless receiving component
Conducting wire be connected, the other end of first conduct piece exposes to the lateral wall of the body of rod, is used for and described first conductive
Electrical connection is formed after body contact；And/or
Second conduct piece is embedded at the inside of the body of rod, after one end of second conduct piece exposes to the body of rod
It holds and is connected with the conducting wire for the coil for connecting the wireless receiving component, the other end of second conduct piece exposes to described
The lateral wall of the body of rod, for being electrically connected with being formed after second conductive body contact.
15. ultrasonic main shaft according to claim 1, which is characterized in that first conduct piece is conductive round tube, described
Second conduct piece is conductive round tube.
16. ultrasonic main shaft according to claim 1, which is characterized in that the conductive component further includes lantern ring, the bar
Lateral surface of the body close to its rear end is equipped with flange, and the set is located on the outside of the body of rod and compresses the flange, described
The front end of pull rod is equipped with deep gouge, and the lantern ring is fixed in the deep gouge.
17. ultrasonic main shaft according to claim 16, which is characterized in that the lateral surface of the lantern ring is equipped with screw thread, institute
It states lantern ring and is fixedly connected by the screw thread with the pull rod；Or
The lantern ring and the pull rod weld.
18. ultrasonic main shaft according to claim 16, which is characterized in that be equipped between the body of rod and the lantern ring close
Seal.
19. ultrasonic main shaft according to claim 1, which is characterized in that the body of rod is equipped with the perforation through its both ends
Hole.
20. a kind of ultrasonic wave lathe, which is characterized in that including ultrasonic power and as claim 1-19 is described in any item
Ultrasonic main shaft, the ultrasonic power are electrically connected with the coil of the wireless transmission component.
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| CN201910825419.3A CN110394463B (en) | 2019-08-29 | 2019-08-29 | Ultrasonic spindle and ultrasonic machine tool comprising same |
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| CN201910825419.3A CN110394463B (en) | 2019-08-29 | 2019-08-29 | Ultrasonic spindle and ultrasonic machine tool comprising same |
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| CN110394463B (en) | 2024-05-17 |
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