CN104400017A - Ultrasonic direct connecting main shaft - Google Patents
Ultrasonic direct connecting main shaft Download PDFInfo
- Publication number
- CN104400017A CN104400017A CN201410500061.4A CN201410500061A CN104400017A CN 104400017 A CN104400017 A CN 104400017A CN 201410500061 A CN201410500061 A CN 201410500061A CN 104400017 A CN104400017 A CN 104400017A
- Authority
- CN
- China
- Prior art keywords
- axle core
- cable
- main shaft
- carbon brush
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15553—Tensioning devices or tool holders, e.g. grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
Abstract
The invention discloses a ultrasonic direct connecting main shaft. The ultrasonic direct connecting main shaft comprises a machine body, a shaft core, a first cable wire, a carbon brush component, a shank, a ultrasonic vibrator and a second cable wire, wherein the shaft core penetrates in the machine body, and is pivoted in the machine body through an upper bearing and a lower bearing respectively arranged at the upper and lower ends of the machine body; a through hole axially penetrating is formed in the wall body of the shaft core; the first cable wire is positioned in the through hole; the lower end of the first cable wire extends into the bottom end of the shaft core, and the upper end of the first cable wire radially extends from the upper end side wall of the shaft core; the carbon brush component is radially mounted on the side wall of the machine body, and is communicated with the upper end of the first cable wire; the shank is connected with the bottom end of the shaft core; the ultrasonic vibrator is positioned in the shank, and is provided with a mounting end; the second cable wire is positioned in the shank; and the lower end of the second cable wire is communicated with the ultrasonic vibrator, and the upper end of the second cable wire is communicated with the lower end of the first cable wire. The ultrasonic direct connecting main shaft can provide the capacity of processing a hard brittle material workpiece, and is high in processing efficiency and long in service life.
Description
Technical field
The present invention relates to a kind of ultrasonic wave direct-connected main shaft.
Background technology
Current direct-connected main shaft generally include body, by bearing hinge joint the axle core of internal body, cross-under axle core inner pull bar and be arranged on the cylinder component of body upper, pull bar lower end is provided with pulling claw, the piston of this cylinder component is used for top pressure pull bar downwards, can complete and unload cutter process.External drive motors rotates through shaft coupling band moving axis core, then can drive and rotate through the handle of a knife that pulling claw is fixing and carry out machining to workpiece.
But for the workpiece of hard fragility material, cutter head easily collapses broken and produces larger vibration, and working (machining) efficiency is low, and the life-span is short.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of ultrasonic wave direct-connected main shaft, can provide the ability of processing hard fragility material workpiece, its working (machining) efficiency is high, and the life-span is long.
Object of the present invention adopts following technical scheme to realize:
A kind of ultrasonic wave direct-connected main shaft, comprising:
Body;
Cross-under is at the axle core of internal body, and this axle core is articulated in body by the upper bearing (metal) and lower bearing being separately positioned on body upper and lower end parts, the wall body of axle core has the through hole run through vertically;
First cable, is built in described through hole, and axle core bottom is stretched in the lower end of this first cable, and the upper end of this first cable is extended radially out by the upper end sidewall of axle core;
Carbon brush component, radial direction is installed on the sidewall of body, and connects with the upper end of the first cable;
Handle of a knife, is connected with the bottom of axle core, and follows the rotation of axle core;
Ultrasonic oscillator, is built in handle of a knife, has that axis is stretched out and for being connected with cutter head installation end downwards;
Second cable, is built in handle of a knife, and the lower end of this second cable and ultrasonic oscillator are connected, and the upper end of this second cable and the lower end of the first cable are connected.
Preferably, the sidewall of described body is fixed with conducting ring, and the medial surface of this conducting ring and the upper end of the first cable are fixed and connected, and lateral surface and the carbon brush component of this conducting ring are slidably matched.
Preferably, described carbon brush component comprises insulation shell, the first spring, carbon brush and conductive core, insulation shell is fixed on the sidewall of body, first spring and carbon brush are all built in insulation shell, carbon brush is by stretching out in insulation shell and slidingly contacting with the lateral surface of conducting ring, first spring is compressed between the inwall of insulation shell and carbon brush, connects after the first spring is inserted in one end of conductive core with carbon brush, and the other end of conductive core radially stretches out through after insulation shell away from the direction of conducting ring.
Preferably, the sidewall Fixing shrink ring of described body has the dead ring inserted for carbon brush component.
Preferably, described axle core is passed by the upper end of body, and the upper end capping of this body has end cap, is also provided with labyrinth seal lid between this end cap and axle core, and the gap location that labyrinth seal lid and axle core assemble is formed with air curtain.
Preferably, described ultrasonic wave direct-connected main shaft also comprises the first copper-base, the second copper-base, the first insulation sleeve, the second insulation sleeve, the second spring and gland, the built-in bottom being fixed on axle core of first insulation sleeve, first copper-base is built in the first insulation sleeve and axially connects with the lower end of the first cable, gland is fixed in the bottom of axle core, one end of second spring is connected with gland, and the other end and first copper-base of the second spring radially offset; The built-in upper end being fixed on handle of a knife of second insulation sleeve, the second copper-base is built in the second insulation sleeve and connects with the first copper-base radial direction.
Preferably, the upper end of described axle core is connected with shaft coupling.
Preferably, the bottom of described axle core is provided with the tapered hole that a diameter increases from the bottom to top gradually; Described ultrasonic wave direct-connected main shaft also comprises cylinder component and pull bar, the cross-under of pull bar activity is at axle core inner, the bottom of pull bar is connected with one and mates with tapered hole and for the pulling claw of fixing handle of a knife, the upper end of pull bar is fixed with an oil cylinder and pushes away circle, and oil cylinder to push away in the endoporus offered on axle core of circle cross-under and can be movable between the upper end of this endoporus and bottom; Cylinder component comprises the cylinder body that is positioned at below body upper end, carbon brush component and is arranged on cylinder interior and pushes away the piston of circle for pushing up compressing cylinder downwards; Pull bar is set with disk spring, and the upper end of disk spring is connected with pull bar, and the lower end of disk spring is connected with axle core.
Compared to existing technology, beneficial effect of the present invention is:
Ultrasonic oscillator is placed in handle of a knife by the present invention, by carbon brush component and the first cable, second cable carrys out conducting ultrasonic oscillator, thus force the cutter head be connected with the installation end of ultrasonic oscillator constantly to clash into finished surface with very large speed under ultrasonic vibration, the material powder of machining area is broken into very thin particulate, hit from workpiece to be machined surface, self High Rotation Speed of combined axis core produces outside ground effect, the axial vibration of supersonic frequency is had again to clash into surface of the work, therefore it is very suitable for the workpiece processing hard fragility material, and its working (machining) efficiency is high, the life-span of cutter head can be extended, in addition, by the driving force of pulling claw, pull bar and cylinder component, pulling claw can be impelled to complete tool changing action, then replaceable universal cutter, realize having both ultrasonic wave processing and plain grinding machining functions.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one of them section of ultrasonic wave direct-connected main shaft of the present invention;
Fig. 2 is the A place enlarged diagram of Fig. 1;
Fig. 3 is the schematic diagram of another section of ultrasonic wave direct-connected main shaft of the present invention;
Fig. 4 is the structural representation of body upper end of the present invention;
Fig. 5 is the structural representation of carbon brush of the present invention.
In figure: 100, body; 101, upper bearing (metal); 102, lower bearing; 103, through hole; 104, end cap; 105, labyrinth seal lid; 106, endoporus; 1, shaft coupling; 2, cutter head; 3, carbon brush component; 31, insulation shell; 32, the first spring; 33, carbon brush; 34, conductive core; 4, cylinder component; 5, dead ring; 6, pulling claw; 7, the second copper-base; 8, the second insulation sleeve; 9, ultrasonic oscillator; 91, installation end; 10, axle core; 11, conducting ring; 12, the first cable; 13, pull bar; 15, the first insulation sleeve; 16, the first copper-base; 17, the second spring; 18, gland; 19, the second cable; 20, tapered hole; 21, oil cylinder pushes away circle; 23, piston; 24, cylinder body; 25, disk spring; 26, handle of a knife.
Detailed description of the invention
A kind of ultrasonic wave direct-connected main shaft as shown in Fig. 1 ~ 5, comprising: body 100; Cross-under is at the axle core 10 of body 100 inside, and this axle core 10 is articulated in body 100 by the upper bearing (metal) 101 and lower bearing 102 being separately positioned on body 100 upper and lower end parts, the wall body of axle core 10 has the through hole 103 run through vertically; First cable 12, is built in described through hole 103, and axle core 10 bottom is stretched in the lower end of this first cable 12, and the upper end of this first cable 12 is extended radially out by the upper end sidewall of axle core 10; Carbon brush component 3, radial direction is installed on the sidewall of body 100, and connects with the upper end of the first cable 12; Handle of a knife 26, is connected with the bottom of axle core 10, and follows axle core 10 and rotate; Ultrasonic oscillator 9, is built in handle of a knife 26, has that axis is stretched out and for being connected with cutter head 2 installation end 91 downwards; And second cable 19, be built in handle of a knife 26, lower end and the ultrasonic oscillator 9 of this second cable 19 are connected, and the upper end of this second cable 19 and the lower end of the first cable 12 are connected.
When axle core 10 rotates in body 100, body 100 is fixed, by the conducting relation of carbon brush component 3 and the first cable 12, second cable 19, again because ultrasonic oscillator 9 is built in handle of a knife 26, handle of a knife 26 and axle core 10 synchronous rotary, the cutter head 2 be therefore connected with the installation end 91 of ultrasonic oscillator 9 will obtain conventional cutting function and ultrasonic wave machining functions.Wherein, the through hole 103 that axle core 10 is offered for accommodating, fix the first cable 12, make the first cable 12 and axle core 10 synchronous axial system, electric current can be made downwards to transmit from axle core 10 upper end simultaneously.The rotation of axle core 10, can the shaft coupling 1 that connects of the upper end of fitted shaft core 10, thus is with moving axis core 10 to rotate by external motor through shaft coupling 1.Ultrasonic oscillator 9 is the entirety after conventional transducer is connected with ultrasonic transformer.
For strengthening the stability that coordinates with the conducting of the first cable 12 upper end of carbon brush component 3 and life-extending, as shown in Figure 1, the sidewall of body 100 is fixed with conducting ring 11, the medial surface of this conducting ring 11 and the upper end of the first cable 12 are fixed and are connected, and lateral surface and the carbon brush component 3 of this conducting ring 11 are slidably matched.Because the upper end conducting of conducting ring 11 with the first cable 12 is connected, therefore conducting ring 11 will with axle core 10 synchronous axial system, and moment and carbon brush component 3 are connected.
Particularly, as shown in Figure 5, carbon brush component 3 comprises insulation shell 31, first spring 32, carbon brush 33 and conductive core 34, insulation shell 31 is fixed on the sidewall of body 100, first spring 32 and carbon brush 33 are all built in insulation shell 31, carbon brush 33 is by stretching out in insulation shell 31 and slidingly contacting with the lateral surface of conducting ring 11, first spring 32 is compressed between the inwall of insulation shell 31 and carbon brush 33, after the first spring 32 is inserted in one end of conductive core 34 and carbon brush 33 connect, the other end of conductive core 34 radially stretches out through after insulation shell 31 away from the direction of conducting ring 11.Conductive core 34 is for inputting carbon brush 33 by external power source, and the compression elasticity of the first spring 32 can keep carbon brush 33 moment contact with conducting ring 11 and be slidably matched, and insulation shell 31 is for preventing carbon brush 33, conductive core 34 and axle core 10 conducting.And in order to further promote insulation effect, the sidewall Fixing shrink ring of body 100 has the dead ring 5 inserted for carbon brush component 3, then greatly can improve the insulation effect to carbon brush 33, conductive core 34.
As shown in Figure 4, the axle core 10 of this example is passed by the upper end of body 100, the upper end capping of this body 100 has end cap 104, is also provided with labyrinth seal lid 105 between this end cap 104 and axle core 10, and the gap location that labyrinth seal lid 105 and axle core 10 assemble is formed with air curtain.The setting of labyrinth seal lid 105 and air curtain makes the sealing property of this main shaft more excellent, effectively can prevent cutting swarf or other foreign matters etc. from entering upper bearing (metal) 101 or lower bearing 102, prevent bearing damage.
For promoting the connection reliability of the second cable 19 in handle of a knife 26 and the first cable 12, as shown in Figure 2, the ultrasonic wave direct-connected main shaft of this example also comprises the first copper-base 16, second copper-base 7, first insulation sleeve 15, second insulation sleeve 8, second spring 17 and gland 18, the first built-in bottom being fixed on axle core 10 of insulation sleeve 15, first copper-base 16 is built in the first insulation sleeve 15 and axially connects with the lower end of the first cable 12, gland 18 is fixed in the bottom of axle core 10, one end of second spring 17 is connected with gland 18, the other end and first copper-base 16 of the second spring 17 radially offset, the second built-in upper end being fixed on handle of a knife 26 of insulation sleeve 8, the second copper-base 7 is built in the second insulation sleeve 8 and connects with the first copper-base 16 radial direction.By the first insulation sleeve 15 and the second insulation sleeve 8 respectively to the insulation protection of the first copper-base 16, second copper-base 7, to connect with axle core 10 to avoid the first copper-base 16 or the second copper-base 7 and leak electricity, play the effect of security protection.Meanwhile, at the second spring 17 with under the acting in conjunction of gland 18, the first copper-base 16 can be guaranteed to connect with the second copper-base 7, then transfers to ultrasonic oscillator 9 via the second cable 19 and power.
As shown in Figure 3, for ease of automatic tool changer, the bottom of axle core 10 is provided with the tapered hole 20 that a diameter increases from the bottom to top gradually; This ultrasonic wave direct-connected main shaft also comprises cylinder component 4 and pull bar 13, the cross-under of pull bar 13 activity is inner at axle core 10, the bottom of pull bar 13 is connected with one and mates with tapered hole 20 and for the pulling claw 6 of fixing handle of a knife 26, the upper end of pull bar 13 is fixed with an oil cylinder and pushes away circle 21, and oil cylinder to push away in endoporus 106 that circle 21 cross-under offers on axle core 10 and can be movable between the upper end of this endoporus 106 and bottom; Cylinder component 4 comprises the cylinder body 24 that is positioned at below body 100 upper end, carbon brush component 3 and is arranged on cylinder body 24 inner and push away the piston 23 of circle 21 for pushing up compressing cylinder downwards; Pull bar 13 is set with disk spring 25, the upper end of disk spring 25 is connected with pull bar 13, and the lower end of disk spring 25 is connected with axle core 10.
To the fuel feed hole injection liquid force feed of forging a knife of cylinder component 4, piston 23 pressurized moves down, pressure is passed to oil cylinder and is pushed away circle 21 by piston 23 end face, oil cylinder pushes away circle 21 and again pressure is passed to disk spring 25 through pull bar 13, disk spring 25 is placed on axle core 10 endoporus 106 end face due to end face, other end tension member 13 end face compresses, and pull bar 13 together moves down together with pulling claw 6.Pulling claw 6 pushes the impact of tapered hole 20 to by axle core 10, and the extension spring of pulling claw 6 opens, and tightening force discharges, and is ejected by 26, handle of a knife, complete action of forging a knife when arriving certain position.Collocation board automatic tool changer function, changes different cutter and meets different processing conditions.The structure of above-mentioned cylinder component 4, pull bar 13, pulling claw 6 also can adopt the scheme in application number a kind of high speed direct-connected main shaft disclosed in the Chinese invention patent of 201310754882.6.
To the replacing function of handle of a knife 26, switch being beneficial between universal cutter and the cutter with the second cable 19, second copper-base 7, second insulation sleeve 8, ultrasonic oscillator 9.
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the present invention's scope required for protection.
Claims (8)
1. a ultrasonic wave direct-connected main shaft, is characterized in that, comprising:
Body;
Cross-under is at the axle core of internal body, and this axle core is articulated in body by the upper bearing (metal) and lower bearing being separately positioned on body upper and lower end parts, the wall body of axle core has the through hole run through vertically;
First cable, is built in described through hole, and axle core bottom is stretched in the lower end of this first cable, and the upper end of this first cable is extended radially out by the upper end sidewall of axle core;
Carbon brush component, radial direction is installed on the sidewall of body, and connects with the upper end of the first cable;
Handle of a knife, is connected with the bottom of axle core, and follows the rotation of axle core;
Ultrasonic oscillator, is built in handle of a knife, has that axis is stretched out and for being connected with cutter head installation end downwards;
Second cable, is built in handle of a knife, and the lower end of this second cable and ultrasonic oscillator are connected, and the upper end of this second cable and the lower end of the first cable are connected.
2. ultrasonic wave direct-connected main shaft according to claim 1, is characterized in that, the sidewall of described body is fixed with conducting ring, and the medial surface of this conducting ring and the upper end of the first cable are fixed and connected, and lateral surface and the carbon brush component of this conducting ring are slidably matched.
3. ultrasonic wave direct-connected main shaft according to claim 2, it is characterized in that, described carbon brush component comprises insulation shell, the first spring, carbon brush and conductive core, insulation shell is fixed on the sidewall of body, first spring and carbon brush are all built in insulation shell, carbon brush is by stretching out in insulation shell and slidingly contacting with the lateral surface of conducting ring, first spring is compressed between the inwall of insulation shell and carbon brush, connect with carbon brush after the first spring is inserted in one end of conductive core, the other end of conductive core radially stretches out through after insulation shell away from the direction of conducting ring.
4. ultrasonic wave direct-connected main shaft according to claim 3, is characterized in that, the sidewall Fixing shrink ring of described body has the dead ring inserted for carbon brush component.
5. ultrasonic wave direct-connected main shaft according to claim 2, it is characterized in that, described axle core is passed by the upper end of body, and the upper end capping of this body has end cap, also be provided with labyrinth seal lid between this end cap and axle core, and the gap location that labyrinth seal lid and axle core assemble is formed with air curtain.
6. ultrasonic wave direct-connected main shaft according to claim 1, it is characterized in that, described ultrasonic wave direct-connected main shaft also comprises the first copper-base, the second copper-base, the first insulation sleeve, the second insulation sleeve, the second spring and gland, the built-in bottom being fixed on axle core of first insulation sleeve, first copper-base is built in the first insulation sleeve and axially connects with the lower end of the first cable, gland is fixed in the bottom of axle core, one end of second spring is connected with gland, and the other end and first copper-base of the second spring radially offset; The built-in upper end being fixed on handle of a knife of second insulation sleeve, the second copper-base is built in the second insulation sleeve and connects with the first copper-base radial direction.
7. ultrasonic wave direct-connected main shaft according to claim 1, is characterized in that, the upper end of described axle core is connected with shaft coupling.
8. the ultrasonic wave direct-connected main shaft according to any one of claim 1 ~ 7, is characterized in that, the bottom of described axle core is provided with the tapered hole that a diameter increases from the bottom to top gradually; Described ultrasonic wave direct-connected main shaft also comprises cylinder component and pull bar, the cross-under of pull bar activity is at axle core inner, the bottom of pull bar is connected with one and mates with tapered hole and for the pulling claw of fixing handle of a knife, the upper end of pull bar is fixed with an oil cylinder and pushes away circle, and oil cylinder to push away in the endoporus offered on axle core of circle cross-under and can be movable between the upper end of this endoporus and bottom; Cylinder component comprises the cylinder body that is positioned at below body upper end, carbon brush component and is arranged on cylinder interior and pushes away the piston of circle for pushing up compressing cylinder downwards; Pull bar is set with disk spring, and the upper end of disk spring is connected with pull bar, and the lower end of disk spring is connected with axle core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500061.4A CN104400017A (en) | 2014-09-25 | 2014-09-25 | Ultrasonic direct connecting main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500061.4A CN104400017A (en) | 2014-09-25 | 2014-09-25 | Ultrasonic direct connecting main shaft |
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| CN104400017A true CN104400017A (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410500061.4A Pending CN104400017A (en) | 2014-09-25 | 2014-09-25 | Ultrasonic direct connecting main shaft |
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Cited By (6)
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| CN106141211A (en) * | 2015-03-26 | 2016-11-23 | 焦作天元精密光学实验室（普通合伙） | A kind of crisp and hard material Ultra-precision Turning air supporting ultrasonic revolving drilling milling spindle |
| CN108940798A (en) * | 2018-03-15 | 2018-12-07 | 西安航天化学动力有限公司 | A kind of ultrasonic wave auxiliary shaping cutter for solid fuel |
| CN109015360A (en) * | 2018-09-05 | 2018-12-18 | 东南大学 | A kind of high speed direct connection accurate grinding grinding wheel spindle system of electric machine built-in |
| CN109773260A (en) * | 2019-03-22 | 2019-05-21 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Acoustic-electric cooperates with cutting apparatus and acoustic-electric to cooperate with cutting system |
| CN110435030A (en) * | 2019-08-29 | 2019-11-12 | 汇专绿色工具有限公司 | Ultrasonic machining spindle and conductive structure |
| CN110450292A (en) * | 2019-08-29 | 2019-11-15 | 汇专绿色工具有限公司 | Ultrasonic machining spindle and its electric connection structure |
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| CN108940798A (en) * | 2018-03-15 | 2018-12-07 | 西安航天化学动力有限公司 | A kind of ultrasonic wave auxiliary shaping cutter for solid fuel |
| CN109015360A (en) * | 2018-09-05 | 2018-12-18 | 东南大学 | A kind of high speed direct connection accurate grinding grinding wheel spindle system of electric machine built-in |
| CN109773260A (en) * | 2019-03-22 | 2019-05-21 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Acoustic-electric cooperates with cutting apparatus and acoustic-electric to cooperate with cutting system |
| CN110435030A (en) * | 2019-08-29 | 2019-11-12 | 汇专绿色工具有限公司 | Ultrasonic machining spindle and conductive structure |
| CN110450292A (en) * | 2019-08-29 | 2019-11-15 | 汇专绿色工具有限公司 | Ultrasonic machining spindle and its electric connection structure |
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