CN204353488U - A kind of gas-static supports high-speed electric main shaft device - Google Patents
A kind of gas-static supports high-speed electric main shaft device Download PDFInfo
- Publication number
- CN204353488U CN204353488U CN201420844307.5U CN201420844307U CN204353488U CN 204353488 U CN204353488 U CN 204353488U CN 201420844307 U CN201420844307 U CN 201420844307U CN 204353488 U CN204353488 U CN 204353488U
- Authority
- CN
- China
- Prior art keywords
- bearing
- main shaft
- housing
- endoporus
- left end
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of gas-static and support high-speed electric main shaft device, main contents are: described left bearing is provided with orifice plug, left bearing is enclosed within main shaft left end and left bearing right side withstands on housing left end endoporus step, left end cap is fixedly mounted on housing left side and its right side withstands on left bearing, water jacket is fixedly mounted in shell inner hole, rotor is fixedly mounted in water jacket endoporus, motor stator two ends are fixedly mounted on main shaft and its right side by expansion set and withstand on main shaft step, thrust bearing is arranged in endoporus and its left side on the right side of housing and withstands on the right side of shell inner hole on step, right bearing is arranged in shell inner hole and is positioned on the right side of thrust bearing, right bearing and thrust bearing are all provided with orifice plug, right end cap is arranged on housing right side and its left side and withstands on right bearing.The utility model has compact conformation, and noise is lower, and mechanical efficiency is high, vibrates little, the feature that precision is high; Electro spindle operates steadily, and does not impact.
Description
Technical field
The utility model relates to electro spindle technical field, particularly relates to a kind of gas-static and supports high-speed electric main shaft device.
Background technology
High-speed electric main shaft is the product of the electromechanical integration having merged multiple advanced technology, wherein contains high-speed bearing technology, high-speed electric expreess locomotive technology, high frequency converter technique, lubrication technology, cooling technology, and automatic tool changer technology and high-speed cutter are installed technology etc.In the middle of these technology, high-speed bearing technology is the most key, and the bearing type that current electro spindle adopts mainly contains common rolling bearing, ceramic rolling bearing, Hydrodynamic and-static Bearing, aerostatic bearing, magnetic suspension bearing etc.Rolling bearing has the high advantage of standardization level, but due to fretting wear large, precision is relatively low, and the life-span is short, is not suitable for electro spindle at a high speed; Hydrodynamic and-static Bearing bearing capacity is large, rigidity is high, but because fluid damping is large, its larger magnetic suspension bearing of caloric value when high speed is caused to be a kind of non-contacting bearing, be applicable to high speed, powerful situation, but at present because correlation technique is still immature, control complexity, involve great expense and can the reasons such as electromagnetic pollution be caused, cannot large-scale application be obtained.
Utility model content
According to above deficiency, the utility model provides the gas-static that a kind of cost is low, precision is high and reliable and stable to support high-speed electric main shaft device.
For achieving the above object, the utility model gas-static supports high-speed electric main shaft device, main contents are: comprise main shaft, left end cap, screw, left bearing, water jacket, motor stator, rotor, thrust bearing, right bearing, right end cap, orifice plug, inner spacing collar, outer separator, housing and expansion set, it is characterized in that, described left bearing radial direction is provided with orifice plug, described left bearing interference fit is enclosed within main shaft left end and left bearing right side withstands on housing left end endoporus step, described left end cap is fixedly mounted on housing left side and its right side by screw and withstands on left bearing left side, described water jacket radial direction is processed with cooling groove, described water jacket is fixedly mounted on housing in middle endoporus, described rotor interference fit is fixedly mounted in water jacket endoporus, described motor stator two ends are fixedly mounted on main shaft and its right side by expansion set and withstand on the left of main shaft on step, described thrust bearing is arranged in endoporus and its left side on the right side of housing and withstands on the right side of shell inner hole on step, described right bearing is arranged in shell inner hole and is positioned on the right side of thrust bearing, inner spacing collar and outer separator are installed between described right bearing and thrust bearing, described right bearing and thrust bearing are all provided with orifice plug, described right end cap is fixedly mounted on housing right side and its left side by screw and withstands on right bearing right side.
As preferably, described housing is made up of screwed hole, right-hand member air intake, right-hand member air outlet slit, coolant outlet, left end air outlet slit, left end air intake and cooling water inlet, described housing left and right end face is all processed with screwed hole, on described housing, right bearing and thrust bearing installation place radial direction are processed with right-hand member air intake and right-hand member air outlet slit, described housing upper water sleeve installation place radial direction is processed with coolant outlet and cooling water inlet, and on described housing, left bearing installation place radial direction is processed with left end air outlet slit and left end air intake.
As preferably, described alignment of shafts position is processed with endoporus
The utility model beneficial effect is: have compact conformation, and noise is lower, and mechanical efficiency is high, vibrates little, the feature that precision is high; Electro spindle operates steadily, and does not impact.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model shell structure schematic diagram.
Description of reference numerals:
1-main shaft, 2-left end cap, 3-screw, 4-left bearing, 5-water jacket, 6-motor stator, 7-rotor, 8-thrust bearing, 9-right bearing, 10-right end cap, 11-orifice plug, 12-inner spacing collar, 13-outer separator, 14-housing, 15-expansion set, 1401-screwed hole, 1402-right-hand member air intake, 1403-right-hand member air outlet slit, 1404-coolant outlet, 1405-left end air outlet slit, 1406-left end air intake, 1407-cooling water inlet.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model detailed description of the invention is described:
These system main contents are: comprise main shaft 1, left end cap 2, screw 3, left bearing 4, water jacket 5, motor stator 6, rotor 7, thrust bearing 8, right bearing 9, right end cap 10, orifice plug 11, inner spacing collar 12, outer separator 13, housing 14 and expansion set 15, it is characterized in that, described left bearing 4 radial direction is provided with orifice plug 11, described left bearing 4 interference fit is enclosed within main shaft 1 left end and left bearing 4 right side withstands on housing 14 left end endoporus step, described left end cap 2 is fixedly mounted on housing 14 left side and its right side by screw 3 and withstands on left bearing 4 left side, described water jacket 5 radial direction is processed with cooling groove, described water jacket 5 is fixedly mounted on housing 14 in middle endoporus, described rotor 7 interference fit is fixedly mounted in water jacket 5 endoporus, described motor stator 6 two ends are fixedly mounted on main shaft 1 and its right side by expansion set 15 and withstand on the left of main shaft 1 on step, described thrust bearing 8 is arranged in endoporus and its left side on the right side of housing 14 and withstands on the right side of housing 14 endoporus on step, described right bearing 9 is arranged in housing 14 endoporus and is positioned on the right side of thrust bearing 8, inner spacing collar 12 and outer separator 13 are installed between described right bearing 9 and thrust bearing 8, described right bearing 9 and thrust bearing 8 are all provided with orifice plug 11, described right end cap 10 is fixedly mounted on housing 14 right side and its left side by screw 3 and withstands on right bearing 9 right side.
Described housing 14 is by screwed hole 1401, right-hand member air intake 1402, right-hand member air outlet slit 1403, coolant outlet 1404, left end air outlet slit 1405, left end air intake 1406 and cooling water inlet 1407 form, housing about 14 end face is all processed with screwed hole 1401, on housing 14, right bearing 9 and thrust bearing 8 installation place radial direction are processed with right-hand member air intake 1402 and right-hand member air outlet slit 1403, housing 14 upper water sleeve 5 installation place radial direction is processed with coolant outlet 1404 and cooling water inlet 1407, on housing 14, left bearing 4 installation place radial direction is processed with left end air outlet slit 1405 and left end air intake 1406.
By reference to the accompanying drawings the utility model preferred embodiment is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.
Claims (5)
1. a gas-static supports high-speed electric main shaft device, comprise main shaft (1), left end cap (2), screw (3), left bearing (4), water jacket (5), motor stator (6), rotor (7), thrust bearing (8), right bearing (9), right end cap (10), orifice plug (11), inner spacing collar (12), outer separator (13), housing (14) and expansion set (15), it is characterized in that, described left bearing (4) radial direction is provided with orifice plug (11), described left bearing (4) interference fit is enclosed within main shaft (1) left end and left bearing (4) right side withstands on housing (14) left end endoporus step, described left end cap (2) is fixedly mounted on housing (14) left side and its right side by screw (3) and withstands on left bearing (4) left side, described water jacket (5) radial direction is processed with cooling groove, described water jacket (5) is fixedly mounted on housing (14) in middle endoporus, described rotor (7) interference fit is fixedly mounted in water jacket (5) endoporus, described motor stator (6) two ends are fixedly mounted on main shaft (1) and its right side by expansion set (15) and withstand on the step of main shaft (1) left side, described thrust bearing (8) is arranged in the endoporus of housing (14) right side and its left side to withstand on the right side of housing (14) endoporus on step, described right bearing (9) is arranged in housing (14) endoporus and is positioned at thrust bearing (8) right side, inner spacing collar (12) and outer separator (13) are installed between described right bearing (9) and thrust bearing (8), described right bearing (9) and thrust bearing (8) are all provided with orifice plug (11), described right end cap (10) is fixedly mounted on housing (14) right side and its left side by screw (3) and withstands on right bearing (9) right side.
2. gas-static as claimed in claim 1 supports high-speed electric main shaft device, it is characterized in that: described housing (14) is by screwed hole (1401), right-hand member air intake (1402), right-hand member air outlet slit (1403), coolant outlet (1404), left end air outlet slit (1405), left end air intake (1406) and cooling water inlet (1407) composition, described housing (14) left and right end face is all processed with screwed hole (1401), the upper right bearing (9) of described housing (14) and thrust bearing (8) installation place radial direction are processed with right-hand member air intake (1402) and right-hand member air outlet slit (1403), described housing (14) upper water sleeve (5) installation place radial direction is processed with coolant outlet (1404) and cooling water inlet (1407), described housing (14) upper left bearing (4) installation place radial direction is processed with left end air outlet slit (1405) and left end air intake (1406).
3. gas-static as claimed in claim 1 supports high-speed electric main shaft device, it is characterized in that: described main shaft (1) center is processed with endoporus.
4. gas-static as claimed in claim 1 supports high-speed electric main shaft device, it is characterized in that: described left bearing (4), thrust bearing (8) and right bearing (9) and main shaft (1) are all interference fit.
5. gas-static as claimed in claim 1 supports high-speed electric main shaft device, it is characterized in that: be provided with sealing felt collar between described right end cap (10) endoporus and main shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844307.5U CN204353488U (en) | 2014-12-25 | 2014-12-25 | A kind of gas-static supports high-speed electric main shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844307.5U CN204353488U (en) | 2014-12-25 | 2014-12-25 | A kind of gas-static supports high-speed electric main shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204353488U true CN204353488U (en) | 2015-05-27 |
Family
ID=53254985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420844307.5U Expired - Fee Related CN204353488U (en) | 2014-12-25 | 2014-12-25 | A kind of gas-static supports high-speed electric main shaft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204353488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044136A (en) * | 2018-01-02 | 2018-05-18 | 中国计量大学 | A kind of novel static pressure air-flotation electric spindle |
| CN108941623A (en) * | 2018-01-02 | 2018-12-07 | 中国计量大学 | A kind of composite throttling formula static pressure air-bearing electro spindle |
| CN108044136B (en) * | 2018-01-02 | 2024-05-14 | 中国计量大学 | Novel static pressure air-float electric spindle |
-
2014
- 2014-12-25 CN CN201420844307.5U patent/CN204353488U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044136A (en) * | 2018-01-02 | 2018-05-18 | 中国计量大学 | A kind of novel static pressure air-flotation electric spindle |
| CN108941623A (en) * | 2018-01-02 | 2018-12-07 | 中国计量大学 | A kind of composite throttling formula static pressure air-bearing electro spindle |
| CN108941623B (en) * | 2018-01-02 | 2024-04-16 | 中国计量大学 | Composite throttling type static pressure air floatation electric spindle |
| CN108044136B (en) * | 2018-01-02 | 2024-05-14 | 中国计量大学 | Novel static pressure air-float electric spindle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205566014U (en) | Electric main shaft of two coolings | |
| CN204504240U (en) | The efficient dynamic/static piezoelectric main shaft of a kind of high speed and super precision | |
| CN105149621A (en) | Electric spindle supported by magnetic suspension and lambdoid-groove dynamic pressure and static pressure gas combined bearings | |
| CN103846459B (en) | A kind of electro spindle of dynamic and static pressure integrated gas bearing supporting | |
| CN102489726A (en) | Air-floated high-speed motorized spindle | |
| CN103008695A (en) | High-speed air floatation electric main shaft | |
| CN104135103A (en) | High-speed asynchronous induction motor with hydrodynamic gas-lubricated bearings | |
| CN102794467B (en) | High-speed motor spindle adopting lubrication under loop | |
| CN204247971U (en) | A kind of air floated high speed electric mandrel | |
| CN104014823A (en) | Electric spindle of bidirectional herringbone groove hydrodynamic/hydrostatic integrated gas bearing support | |
| CN201167264Y (en) | Permanent magnetic levitation electric principal shaft | |
| CN204353488U (en) | A kind of gas-static supports high-speed electric main shaft device | |
| CN102886534A (en) | High-speed and high-rigidity dynamic and static pressure built-in electric main shaft | |
| CN204911736U (en) | Found bearing cooling device who grinds selection powder machine | |
| CN101123376A (en) | A high-speed woodworker power principle axis | |
| CN102794469B (en) | High-precision high-speed motor spindle | |
| CN101702544B (en) | Tilting-pad bearing built-in motor | |
| CN204013029U (en) | A kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing | |
| CN103100729A (en) | High-speed electric main shaft device using sliding bearing and rolling bearing for composite support | |
| CN202741751U (en) | High-speed electric spindle adopting under ring lubrication | |
| CN200993163Y (en) | Lower air baring for air-floating electric spindle | |
| CN104907588B (en) | Autonomous air impervious environment-friendly type high-speed electric main shaft | |
| CN103121112A (en) | Gas-self-supplying gas bearing supporting motorized spindle | |
| CN202804200U (en) | High-precision high-speed electric main shaft | |
| CN202212584U (en) | Transmission system for spindle box of boring and milling machine |
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: 20150527 Termination date: 20161225 |