CN203156069U - High-speed air bearing electric spindle - Google Patents
High-speed air bearing electric spindle Download PDFInfo
- Publication number
- CN203156069U CN203156069U CN 201320135792 CN201320135792U CN203156069U CN 203156069 U CN203156069 U CN 203156069U CN 201320135792 CN201320135792 CN 201320135792 CN 201320135792 U CN201320135792 U CN 201320135792U CN 203156069 U CN203156069 U CN 203156069U
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- Prior art keywords
- air bearing
- air
- bearing
- connector
- boss
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Abstract
The utility model relates to the technical field of electric spindles of air bearings, and provides a high-speed air bearing electric spindle. The high-speed air bearing electric spindle comprises an air cylinder, a connecting body, a steel bushing, an ejector rod, an air thrust bearing, a radial air bearing provided with a thrust collar, a spindle, a rotor, an air bearing and a fixed cover. The lower end of the air cylinder and the upper end of the connecting body are fixedly mounted together. A boss is integrally arranged on the inner side of the upper portion of the steel bushing. The lower portion of the connecting body is fixedly mounted in the boss. An axial channel is arranged in the connecting body. The ejector rod is mounted in the axial channel in a sleeved mode. The upper end of the ejector rod and the air cylinder are fixedly mounted together through a screw. The fixed cover is fixedly mounted at the lower end of the steel bushing. A mounting bushing is fixed in the steel bushing and between the boss and the fixed cover. The high-speed air bearing electric spindle is reasonable in structure, convenient to use, and capable of realizing high-speed running stably and symmetrically, thereby being capable of machining a tiny bore and improving work efficiency.
Description
Technical field
The utility model relates to air bearing electricity spindle technology field, is a kind of high-speed air bearing electric chief axis.
Background technology
Because the development of wiring board technology, people more and more want to enhance productivity, also to improve the quality of processing simultaneously, aperture on the circuit is required also more and more littler, so just the motor to the processing aperture has had higher requirement, be included in and require on the rotating speed that smoothness of operation energy higher, motor is good, motor run up swing little etc., but at present at the electricity of adapted air bearing on the market main shaft, rotating speed all is lower, can't process micro-aperture, and working (machining) efficiency is low simultaneously.
Summary of the invention
The utility model provides a kind of high-speed air bearing electric chief axis, has overcome the deficiency of above-mentioned prior art, its can solve the existing air bearing electricity speed of mainshaft relatively lower, can't process the micro-aperture low problem of working (machining) efficiency simultaneously.
The technical solution of the utility model is achieved like this: a kind of high-speed air bearing electric chief axis comprises radial air bearing, spindle, rotor, air bearing and the fixed cap of cylinder, connector, steel bushing, push rod, air thrust bearing, band thrust button; The lower end of cylinder and the upper end of connector are fixedly installed togather, upper inner one at steel bushing has boss, the bottom of connector is fixedly mounted in the boss, axial passage is arranged in connector, in axial passage, be set with push rod, upper end and the cylinder of push rod are fixedly installed togather by screw, lower end at steel bushing is installed with fixed cap, installation sleeve is fixedly arranged in the steel bushing between boss and fixed cap, the air thrust bearing is installed in the boss between installation sleeve and connector, at connector the cooling tube interface is arranged, motor inlet wire passage and air pipe interface, air pipe interface communicates with the air thrust bearing by the axial passage in the push rod outside, at the air thrust bearing, be installed with the radial air bearing of band thrust button in the cavity between installation sleeve and the fixed cap from top to bottom, spindle and air bearing, radial air bearing at the band thrust button, spindle and air bearing inboard are set with rotor, the upper end of this rotor has in protruding dish and the cavity between the radial air bearing of air thrust bearing and band thrust button, in the cavity between the air thrust bearing in the protruding dish outside and the radial air bearing of band thrust button the gap adjustment ring that highly is higher than protruding dish height is installed, the bottom of push rod is positioned at the inner chamber top of rotor, and the axle despot is installed in the inner chamber bottom of rotor from top to bottom, butterfly spring and collet.
More than the outside of radial air bearing, spindle and the air bearing of band thrust button all is equipped with elasticity adjustment ring.
Be fixedly installed togather by screw with the lower end of casing top half and the upper end of connector.
The bottom of above connector is fixedly mounted in the boss by screw.
The utility model is rational in infrastructure, and is easy to use, and it can realize ultrahigh speed running, and the ultrahigh speed running has stationarity and symmetry, therefore can process micro-aperture and improve operating efficiency.
Description of drawings
Fig. 1 is main TV structure figure of the present utility model.
Fig. 2 looks sectional structure chart for master of the present utility model.。
Coding among the figure is respectively: 1 is cylinder, and 2 is connector, and 3 is steel bushing, 4 is push rod, and 5 is the air thrust bearing, 6 radial air bearings for the band thrust button, 7 is spindle, and 8 is rotor, and 9 is air bearing, 10 is fixed cap, and 11 is boss, and 12 is screw, 13 is installation sleeve, 14 is the cooling tube interface, and 15 is motor inlet wire passage, and 16 is air pipe interface, 17 is axial passage, 18 is protruding dish, and 19 is gap adjustment ring, and 20 is the axle despot, 21 is butterfly spring, 22 is collet, and 23 is elasticity adjustment ring, and 24 is the end cap securing member.
The specific embodiment
As shown in Figures 1 and 2, a kind of high-speed air bearing electric chief axis comprises radial air bearing 6, spindle 7, rotor 8, air bearing 9 and the fixed cap 10 of cylinder 1, connector 2, steel bushing 3, push rod 4, air thrust bearing 5, band thrust button; The upper end of the lower end of cylinder 1 and connector 2 is fixedly installed togather, upper inner one at steel bushing 3 has boss 11, the bottom of connector 2 is fixedly mounted in the boss 11, axial passage 17 is arranged in connector 2, in axial passage 17, be set with push rod 4, the upper end of push rod 4 and cylinder 1 are fixedly installed togather by screw 12, be installed with fixed cap 10 in the lower end of steel bushing 3, in the steel bushing 3 between boss 11 and fixed cap 10 installation sleeve 13 is arranged fixedly, in the boss 11 between installation sleeve 13 and connector 2 air thrust bearing 5 is installed, at connector 2 cooling tube interface 14 is arranged, motor inlet wire passage 15 and air pipe interface 16, air pipe interface 16 communicates with air thrust bearing 5 by the axial passage 17 in push rod 4 outsides, at air thrust bearing 5, be installed with the radial air bearing 6 of band thrust button in the cavity between installation sleeve 13 and the fixed cap 10 from top to bottom, spindle 7 and air bearing 9, radial air bearing 6 at the band thrust button, spindle 7 and air bearing 9 inboards are set with rotor 8, the upper end of this rotor 8 has in protruding dish 18 and the cavity between the radial air bearing 6 of air thrust bearing 5 and band thrust button, the gap adjustment ring 19 that highly is higher than protruding dish 18 height is installed in the cavity between the radial air bearing 6 of the air thrust bearing 5 in protruding dish 18 outsides and band thrust button, the bottom of push rod 4 is positioned at the inner chamber top of rotor 8, by end cap securing member 24 axle despot 20 is installed from top to bottom in the inner chamber bottom of rotor 8, butterfly spring 21 and collet 22.Gap adjustment ring 19 is used for adjusting the activity space of rotor 8 in free space.The utility model can be realized ultrahigh speed running, and the ultrahigh speed running has stationarity and symmetry, therefore can process micro-aperture and improve operating efficiency.End cap securing member 24 can adopt existing known fastener.
As shown in Figure 2, the outside of radial air bearing 6, spindle 7 and the air bearing 9 of band thrust button all is equipped with elasticity adjustment ring 23.Like this, fixing by fixed cap 10 and air thrust bearing 5, the radial air bearing 6 of compressive zone thrust button, spindle 7 and air bearing 9 make elasticity between them adjust annular strain and produce strength and fix.For the ease of installation and removal, the upper end of the lower end of cylinder 1 and connector 2 is fixedly installed togather by screw.The bottom of connector 2 is fixedly mounted in the boss 11 by screw.
Claims (5)
1. a high-speed air bearing electric chief axis is characterized in that: the radial air bearing (6), spindle (7), rotor (8), air bearing (9) and the fixed cap (10) that comprise cylinder (1), connector (2), steel bushing (3), push rod (4), air thrust bearing (5), band thrust button; The upper end of the lower end of cylinder (1) and connector (2) is fixedly installed togather, upper inner one at steel bushing (3) has boss (11), the bottom of connector (2) is fixedly mounted in the boss (11), axial passage (17) is arranged in connector (2), in axial passage (17), be set with push rod (4), the upper end of push rod (4) and cylinder (1) are fixedly installed togather by screw (12), be installed with fixed cap (10) in the lower end of steel bushing (3), in the steel bushing (3) between boss (11) and fixed cap (10) installation sleeve (13) is arranged fixedly, in the boss (11) between installation sleeve (13) and connector (2) air thrust bearing (5) is installed, at connector (2) cooling tube interface (14) is arranged, motor inlet wire passage (15) and air pipe interface (16), air pipe interface (16) communicates with air thrust bearing (5) by the axial passage (17) in push rod (4) outside, in air thrust bearing (5), be installed with the radial air bearing (6) of band thrust button in the cavity between installation sleeve (13) and the fixed cap (10) from top to bottom, spindle (7) and air bearing (9), radial air bearing (6) at the band thrust button, spindle (7) and air bearing (9) inboard are set with rotor (8), the upper end of this rotor (8) protruding dish (18) is arranged and be arranged in air thrust bearing (5) and the band thrust button radial air bearing (6) between cavity, in the cavity between the radial air bearing (6) of the air thrust bearing (5) in protruding dish (18) outside and band thrust button the gap adjustment ring (19) that highly is higher than protruding dish (18) height is installed, the bottom of push rod (4) is positioned at the inner chamber top of rotor (8), by end cap securing member (24) axle despot (20) is installed from top to bottom in the inner chamber bottom of rotor (8), butterfly spring (21) and collet (22).
2. high-speed air bearing electric chief axis according to claim 1, it is characterized in that: the outside of the radial air bearing of described band thrust button (6), spindle (7) and air bearing (9) all is equipped with elasticity adjustment ring (23).
3. high-speed air bearing electric chief axis according to claim 1 and 2, it is characterized in that: the upper end of the lower end of described cylinder (1) and connector (2) is fixedly installed togather by screw.
4. high-speed air bearing electric chief axis according to claim 1 and 2, it is characterized in that: the bottom of described connector (2) is fixedly mounted in the boss (11) by screw.
5. high-speed air bearing electric chief axis according to claim 3, it is characterized in that: the bottom of described connector (2) is fixedly mounted in the boss (11) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135792 CN203156069U (en) | 2013-03-22 | 2013-03-22 | High-speed air bearing electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135792 CN203156069U (en) | 2013-03-22 | 2013-03-22 | High-speed air bearing electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203156069U true CN203156069U (en) | 2013-08-28 |
Family
ID=49017293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320135792 Expired - Fee Related CN203156069U (en) | 2013-03-22 | 2013-03-22 | High-speed air bearing electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203156069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215384A (en) * | 2015-07-31 | 2016-01-06 | 四川省兴旺达精密机电有限公司 | A kind of ultrahigh speed air bearing motor for minute surface Digit Control Machine Tool |
-
2013
- 2013-03-22 CN CN 201320135792 patent/CN203156069U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215384A (en) * | 2015-07-31 | 2016-01-06 | 四川省兴旺达精密机电有限公司 | A kind of ultrahigh speed air bearing motor for minute surface Digit Control Machine Tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20210322 |