CN203636593U - Hydrodynamic-pressure hydrostatic-pressure grinding electric spindle - Google Patents
Hydrodynamic-pressure hydrostatic-pressure grinding electric spindle Download PDFInfo
- Publication number
- CN203636593U CN203636593U CN201320753834.0U CN201320753834U CN203636593U CN 203636593 U CN203636593 U CN 203636593U CN 201320753834 U CN201320753834 U CN 201320753834U CN 203636593 U CN203636593 U CN 203636593U
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- oil inlet
- inlet passage
- fore bearing
- passage
- armature spindle
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Abstract
The utility model discloses a hydrodynamic-pressure hydrostatic-pressure grinding electric spindle which comprises a housing, a rotor shaft, a rotor part, a stator part, a front cover, a rear cover, a front bearing and a rear bearing, wherein the rotor part is fixedly arranged on the rotor shaft; the front cover and the front bearing are fixedly arranged at the large end of the rotor shaft; the rear cover and the rear bearing are fixedly arranged at the small end of the rotor shaft; the hydrodynamic-pressure hydrostatic-pressure grinding electric spindle further comprises an oil inlet passage and an oil outlet passage; the oil inlet passage is a passage extending from the end face of the rear cover to the front bearing in the axial direction of the rotor shaft; a front bearing oil inlet passage is arranged on the front bearing, one end of the front bearing oil inlet passage is communicated with the oil inlet passage, and the other end of the front bearing oil inlet passage extends to a gap between the excircle surface of the rotor shaft and the front bearing; a rear bearing oil inlet passage is arranged on the rear bearing, one end of the rear bearing oil inlet passage is communicated with the oil inlet passage, and the other end of the rear bearing oil inlet passage extends to a gap between the excircle surface of the rotor shaft and the rear bearing; the oil outlet passage is a passage axially extending from the end face of the rear cover to the end face, on the other side, of the housing along the rotor shaft; an oil return hole communicated to the oil outlet passage in radial direction is formed in the housing; the hydrodynamic-pressure hydrostatic-pressure grinding electric spindle has the advantages of good lubricating effect and low processing cost.
Description
Technical field
The utility model relates to a kind of electric main shaft, especially a kind of hydrodynamic and hydrostatic pressure grinding electric main shaft.
Background technology
Grinding is the most widely used precision processing technology of modern mechanical manufacture field, and generally it is last one processing technology of precision component, and traditional grinding process exists inefficient shortcoming.Superhigh speed grinding technology is feed speed by improving grinding, increase that unit interval metal improves grinding process efficiency than material removal rate and metal material removal rate and the modern processing of producing economically high-quality part.The high-speed grinding equipment that embodies high-speed grinding technology, its service behaviour depends on the performance of high speed grinding wheel main axle unit." zero transmission " grinding wheel main shaft structure that spindle drive motor and grinding wheel spindle " are united two into one ", save complicated intermediate transmission link, have speed-regulating range width, rotary inertia little, capable of fast starting and stop, be easy to realize the features such as stepless speed regulation, in grinding machine industry, application is more and more extensive.Conventional grinding electric main shaft tends to make because high speed rotating produces a large amount of heat the problem that causes part deformation and affect service life, therefore reduces pivoting friction and becomes people's technical problem urgently to be resolved hurrily for frictional heat dispels the heat fast simultaneously.
Utility model content
Goal of the invention of the present utility model is to overcome the defect that prior art exists, thereby a kind of hydrodynamic and hydrostatic pressure grinding electric main shaft that reduces pivoting friction, quick efficiently radiates heat of realizing is provided.
For achieving the above object, the technical solution of the utility model is: a kind of hydrodynamic and hydrostatic pressure grinding electric main shaft is provided, comprise housing, armature spindle, rotor part, stator component, protecgulum, bonnet, fore bearing and rear bearing, rotor part is fixedly installed on armature spindle middle part, protecgulum and fore bearing are fixedly set in the large end of armature spindle, bonnet and rear bearing are fixedly set in armature spindle small end, it also comprises oil inlet passage and oil discharge passage, described oil inlet passage is to extend axially the passage to fore bearing along armature spindle from bonnet end face, on described fore bearing, also comprise that one end is communicated with described oil inlet passage, the other end extends to the fore bearing oil inlet passage in gap between armature spindle outer round surface and fore bearing, on described rear bearing, also comprise that one end is communicated with described oil inlet passage, the other end extends to the rear bearing oil inlet passage in gap between armature spindle outer round surface and rear bearing, described oil discharge passage is to extend axially to the passage of housing opposite side end face along armature spindle from bonnet section, and described housing is provided with the spill port of oil discharge passage described in radial communication.
Base the above, it also comprises waterway, inlet opening and apopore; On described stator component, fixed cover is equipped with columnar inner water sleeve, and the position of the corresponding described stator component of described shell inner surface is provided with groove, and the cavity forming between described groove and described inner water sleeve is waterway; Described intake tunnel is to extend axially to the passage of described waterway end along armature spindle from bonnet end face, and described waterway is communicated with described intake tunnel by the inlet opening being arranged on housing; Described exhalant canal is to extend axially from bonnet section along armature spindle to the passage of described waterway leading portion, and described waterway is communicated with described exhalant canal by the apopore being arranged on housing.
Base the above, described fore bearing oil inlet passage be bearing small end the first fore bearing oil inlet passage of radially extending to fore bearing and armature spindle gap, fore bearing near the second fore bearing oil inlet passage that extends to vertically the first fore bearing oil inlet passage on the end face of stator component one side, and on fore bearing flange, radially extend to the 3rd fore bearing oil inlet passage of the second fore bearing oil inlet passage; The initiating terminal of described the first fore bearing oil inlet passage, the second fore bearing oil inlet passage and the 3rd fore bearing oil inlet passage is provided with plug.
Base the above, described bonnet middle part is also provided with handle.
The beneficial effects of the utility model: 1. the utility model is filled with lubricating oil by oil inlet passage to forward and backward bearing and armature spindle gap, reduce pivoting friction, by oil discharge passage, lubricating oil is reclaimed simultaneously, not only realize lubrication and be conducive to corrective maintenance simultaneously, also increased the service life of electric main shaft simultaneously.
2 the utility model carry out cooling to stator component by intake tunnel, by exhalant canal, water is reclaimed and realized circulation cooling simultaneously, good heat dissipation effect and do not cause environmental pollution.
3. the utility model is stated under the prerequisite of function in realization, simple in structure, processing cost is low.
Brief description of the drawings
Fig. 1 is the structural representation of hydrodynamic and hydrostatic pressure grinding electric main shaft;
Fig. 2 is the oil channel structures schematic diagram of hydrodynamic and hydrostatic pressure grinding electric main shaft;
Fig. 3 is the waterway structure schematic diagram of hydrodynamic and hydrostatic pressure grinding electric main shaft.
In figure: 1 is armature spindle, 2 is protecgulum, 3 is fore bearing, 4 is housing, 5 is inner water sleeve, 6 is rotor part, 7 is stator component, 8 is rear bearing, 9 is bonnet, 10 is oil inlet passage, 11 is fore bearing oil inlet passage, 111 first fore bearing oil inlet passages, 112 is the second fore bearing oil inlet passage, 113 is the 3rd fore bearing oil inlet passage, 12 is rear bearing oil inlet passage, 13 is oil discharge passage, 14 is spill port, 15 is intake tunnel, 16 is waterway, 17 is exhalant canal, 18 is apopore, 19 is plug, 20 is inlet opening, 21 is handle.
Detailed description of the invention
Also by specific embodiment hydrodynamic and hydrostatic pressure grinding electric main shaft of the present utility model is done to more detailed description below in conjunction with accompanying drawing.
embodiment:
As Fig. 1, Fig. 2, a kind of hydrodynamic and hydrostatic pressure grinding electric main shaft shown in Fig. 3, comprise housing 4, armature spindle 1, rotor part 6, stator component 7, protecgulum 2, bonnet 9, fore bearing 3 and rear bearing 8, rotor part 6 is fixedly installed on armature spindle 1 middle part, protecgulum 2 and fore bearing 3 are fixedly set in armature spindle 1 and hold greatly, bonnet 9 and rear bearing 8 are fixedly set in armature spindle 1 small end, it also comprises oil inlet passage 10 and oil discharge passage 13, described oil inlet passage 10 for to extend axially to the passage of fore bearing 3 along armature spindle 1 from bonnet 9 end faces, on described fore bearing 3, also comprise that one end is communicated with described oil inlet passage 10, the other end extends to the fore bearing oil inlet passage 11 in gap between armature spindle 1 outer round surface and fore bearing 3, on described rear bearing 8, also comprise that one end is communicated with described oil inlet passage 10, the other end extends to the rear bearing oil inlet passage 12 in gap between armature spindle 1 outer round surface and rear bearing 8, described oil discharge passage 13 is for to extend axially to the passage of housing 4 opposite side end faces along armature spindle 1 from bonnet 9 end faces, also comprises the spill port 14 of oil discharge passage 13 described in radial communication on described housing 4.
Make the gap between armature spindle 1 and fore bearing 3 rear bearings 8 can be full of lubricating oil by oil inlet passage 10 and coupled logical fore bearing oil inlet passage 11, rear bearing oil inlet passage 12, simultaneously by the recovery having realized waste oil that arranges of oil discharge passage 13 and spill port 14, therefore both reduce electric main shaft pivoting friction in the course of the work and also realized waste oil and reclaim and be conducive to the maintenance of equipment, and increased service life.
Further, it also comprises waterway 16, intake tunnel 15 and exhalant canal 17; On described stator component 7, fixed cover is equipped with columnar inner water sleeve 5, and the position of the corresponding described stator component 7 of described housing 4 inner surfaces is provided with groove, and the cavity forming between described groove and described inner water sleeve 5 is waterway 16; Described intake tunnel 15 for to extend axially to the passage of described waterway 16 ends along armature spindle 1 from bonnet 9 end faces, and described waterway 16 is communicated with described intake tunnel 15 by the inlet opening 20 being arranged on housing 4; Described exhalant canal 17 is for to extend axially from bonnet section along armature spindle 1 to the passage of described waterway 16 leading portions, and described waterway 16 is communicated with described exhalant canal 17 by the apopore 18 being arranged on housing.
Between the groove of inner water sleeve 5 and housing 4 inner surfaces, form waterway 16, the temperature that can ensure stator component 7 parts at the interior injected water of waterway 16 can be not too high, by the setting of intake tunnel 15 and exhalant canal 17, make the utility model realize circularly cooling and reclaim waste water simultaneously.
Further, the first fore bearing oil inlet passage 111, fore bearing 3 that described fore bearing oil inlet passage 11 radially extends to fore bearing 3 and armature spindle 1 gap for fore bearing 3 small ends be near the second fore bearing oil inlet passage 112 that extends to vertically the first fore bearing oil inlet passage 111 on the end face of stator component 7 one sides, and on fore bearing 3 flanges, radially extend to the 3rd fore bearing oil inlet passage 113 of the second fore bearing oil inlet passage 112; The initiating terminal of described the first fore bearing oil inlet passage 111, the second fore bearing oil inlet passage 112 and the 3rd fore bearing oil inlet passage 113 is provided with plug 19.
Owing to being difficult to process bending passage in fore bearing 3 in process, therefore adopted the method for the first fore bearing oil inlet passage 111, the second fore bearing oil inlet passage 112 and the 3rd fore bearing oil inlet passage 113, at their initiating terminal, plug 19 is set, the benefit arranging is like this to have reduced processing cost, has ensured practical function simultaneously.
Further, described bonnet 9 middle parts are also provided with handle 21.
Claims (1)
1. a hydrodynamic and hydrostatic pressure grinding electric main shaft, comprise housing, armature spindle, rotor part, stator component, protecgulum, bonnet, fore bearing and rear bearing, rotor part is fixedly installed on armature spindle middle part, protecgulum and fore bearing are fixedly set in the large end of armature spindle, bonnet and rear bearing are fixedly set in armature spindle small end, it is characterized in that: further comprising oil inlet passage and oil discharge passage, described oil inlet passage is to extend axially the passage to fore bearing along armature spindle from bonnet end face, on described fore bearing, also comprise that one end is communicated with described oil inlet passage, the other end extends to the fore bearing oil inlet passage in gap between armature spindle outer round surface and fore bearing, on described rear bearing, also comprise that one end is communicated with described oil inlet passage, the other end extends to the rear bearing oil inlet passage in gap between armature spindle outer round surface and rear bearing, described oil discharge passage is to extend axially to the passage of housing opposite side end face along armature spindle from bonnet end face, and described housing is provided with the spill port of oil discharge passage described in radial communication.
2. a kind of hydrodynamic and hydrostatic pressure grinding electric main shaft according to claim 1, it is characterized in that: further comprising waterway, intake tunnel and exhalant canal; On described stator component, fixed cover is equipped with columnar inner water sleeve, and the position of the corresponding described stator component of described shell inner surface is provided with groove, and the cavity forming between described groove and described inner water sleeve is waterway; Described intake tunnel is to extend axially to the passage of described waterway end along armature spindle from bonnet end face, and described waterway is communicated with described intake tunnel by the inlet opening being arranged on housing; Described exhalant canal is to extend axially from bonnet section along armature spindle to the passage of described waterway leading portion, and described waterway is communicated with described exhalant canal by the apopore being arranged on housing.
3. a kind of hydrodynamic and hydrostatic pressure grinding electric main shaft according to claim 2, it is characterized in that: described fore bearing oil inlet passage be fore bearing small end the first fore bearing oil inlet passage of radially extending to fore bearing and armature spindle gap, fore bearing near the second fore bearing oil inlet passage that extends to vertically the first fore bearing oil inlet passage on the end face of stator component one side, and on fore bearing flange, radially extend to the 3rd fore bearing oil inlet passage of the second fore bearing oil inlet passage; The initiating terminal of described the first fore bearing oil inlet passage, the second fore bearing oil inlet passage and the 3rd fore bearing oil inlet passage is provided with plug.
4. a kind of hydrodynamic and hydrostatic pressure grinding electric main shaft according to claim 3, is characterized in that: described bonnet middle part is also provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753834.0U CN203636593U (en) | 2013-11-26 | 2013-11-26 | Hydrodynamic-pressure hydrostatic-pressure grinding electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753834.0U CN203636593U (en) | 2013-11-26 | 2013-11-26 | Hydrodynamic-pressure hydrostatic-pressure grinding electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636593U true CN203636593U (en) | 2014-06-11 |
Family
ID=50867871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320753834.0U Expired - Fee Related CN203636593U (en) | 2013-11-26 | 2013-11-26 | Hydrodynamic-pressure hydrostatic-pressure grinding electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838694A (en) * | 2017-11-28 | 2018-03-27 | 普瑞森（安阳）机械有限公司 | A kind of quiet dynamic pressure directly turns platform |
-
2013
- 2013-11-26 CN CN201320753834.0U patent/CN203636593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838694A (en) * | 2017-11-28 | 2018-03-27 | 普瑞森（安阳）机械有限公司 | A kind of quiet dynamic pressure directly turns platform |
| CN107838694B (en) * | 2017-11-28 | 2019-07-02 | 普瑞森（安阳）机械有限公司 | A kind of quiet dynamic pressure directly turns platform |
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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 |
Granted publication date: 20140611 Termination date: 20141126 |
|
| EXPY | Termination of patent right or utility model |