CN103161960A - Sealing device of electrical main shaft - Google Patents
Sealing device of electrical main shaft Download PDFInfo
- Publication number
- CN103161960A CN103161960A CN2013100953525A CN201310095352A CN103161960A CN 103161960 A CN103161960 A CN 103161960A CN 2013100953525 A CN2013100953525 A CN 2013100953525A CN 201310095352 A CN201310095352 A CN 201310095352A CN 103161960 A CN103161960 A CN 103161960A
- Authority
- CN
- China
- Prior art keywords
- sealing cover
- main shaft
- protecgulum
- front sealing
- stator
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 51
- 210000004907 gland Anatomy 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002173 cutting fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a sealing device of an electrical main shaft. The sealing device of the electrical main shaft comprises a stator, a front sealing cover and an outer casing. The front sealing cover is arranged on the stator and connected with the stator in a threaded mode. A front cover is arranged on a side of the outer casing. A ring-shaped groove A in the front cover and a ring-shaped boss B on the front sealing cover are clamped together. A ring-shaped boss A in the front cover and a ring-shaped groove B in the front sealing cover are clamped to form non-contact maze seal. The sealing device of an electrical main shaft is reasonable in structure, reliable in sealing performance and capable of improving service life.
Description
Technical field
The present invention relates to machining center electricity main shaft field, especially relate to the seal arrangement of electric main shaft.
Background technique
Machining center electricity main shaft is the very high electromechanical integrated product of a kind of technology content.High-speed electric main shaft needs workpiece is advanced with cutting fluid cooling in course of working, and the flying of cutting fluid is stained with and washes away that to be easy to enter electric main shaft inner, and electric main shaft internal bearings and stator are caused damage.So sealability of electric front-end of spindle.Directly have influence on the working life of electric main shaft, as adopt contact sealing ring to seal, in the High Rotation Speed process of electricity main shaft, can produce often time service of high temperature because of friction, adopt contactless labyrinth seal, can be because there being the gap between labyrinth seal, produce seepage in work and affect sealing effect.
Summary of the invention:
The purpose of this invention is to provide a kind of rational in infrastructurely, sealability is reliable, can improve the seal arrangement of the electric main shaft in working life.
The present invention is achieved in that the seal arrangement of electric main shaft, comprises stator, front sealing cover, shell, it is characterized in that: be provided with front sealing cover on described stator, front sealing cover and stator pass through scyewed joint; The shell side is provided with protecgulum, on protecgulum on annular groove A and front sealing cover annular boss B be fastened togather, on protecgulum on annular boss A and front sealing cover annular groove B be fastened togather and consist of contactless labyrinth seal.
Be provided with chamfering on the inboard cylindrical of front sealing cover of the present invention.
Be provided with the pore that communicates on two sealing surfaces of protecgulum of the present invention.
Be provided with the sealing gland entrance on shell of the present invention, the sealing gland entrance communicates with pore on protecgulum.
Front sealing cover of the present invention exterior edge face exceeds the protecgulum exterior edge face.
The present invention is rational in infrastructure, and sealability is reliable, has improved working life.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of protecgulum in the present invention;
Fig. 3 is the structural representation of front sealing cover in the present invention;
In figure 1, stator, 2, bearing, 3, the sealing gland entrance, 4, protecgulum, 401, groove A, 402, boss A, 5, front sealing cover, 501, the inclined-plane, 502, boss B, 503, groove B, 6, shell.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing:
With reference to accompanying drawing, the seal arrangement of electric main shaft comprises stator 1, front sealing cover 5, shell 6, it is characterized in that: be provided with front sealing cover 5 on described stator 1, front sealing cover 5 passes through scyewed joint with stator 1; The shell side is provided with protecgulum 4, on protecgulum 4 on annular groove A401 and front sealing cover 5 annular boss B502 be fastened togather, on protecgulum 4 on annular boss A402 and front sealing cover 5 annular groove B503 be fastened togather and consist of contactless labyrinth seal.Be provided with chamfering on the inboard cylindrical of described front sealing cover 5.Be provided with the pore that communicates on two sealing surfaces of described protecgulum 4.Be provided with sealing gland entrance 3 on described shell 6, sealing gland entrance 3 communicates with pore on protecgulum 4.Described front sealing cover 5 exterior edge faces exceed protecgulum 4 exterior edge faces.During concrete enforcement, in work, front sealing cover is thrown away with most of liquid that the stator High Rotation Speed will be splashed on front sealing cover; By sealing gland entrance access pressurized air, the liquid that enters between sealing cover and protecgulum is blown out outward; Be provided with chamfering on the inboard cylindrical of front sealing cover, producing centrifugal force in front sealing cover High Rotation Speed, to make liquid can not enter electric main shaft inner.Play the effect of sealing.
Claims (5)
1. the seal arrangement of electric spindle of lathe, comprise stator (1), front sealing cover (5), shell (6), it is characterized in that: be provided with front sealing cover (5) on described stator (1), front sealing cover (5) passes through scyewed joint with stator (1); The shell side is provided with protecgulum (4), the upper annular groove A(401 of protecgulum (4)) with the upper annular boss B(502 of front sealing cover (5)) be fastened togather the upper annular boss A(402 of protecgulum (4)) with the upper annular groove B(503 of front sealing cover (5)) be fastened togather and consist of contactless labyrinth seal.
2. the seal arrangement of described electric main shaft according to claim 1, is characterized in that: be provided with chamfering on the inboard cylindrical of described front sealing cover (5).
3. the seal arrangement of described electric main shaft according to claim 1, is characterized in that: be provided with the pore that communicates on two sealing surfaces of described protecgulum (4).
4. the seal arrangement of described electric main shaft according to claim 1, it is characterized in that: be provided with sealing gland entrance (3) on described shell (6), sealing gland entrance (3) communicates with the upper pore of protecgulum (4).
5. the seal arrangement of described electric main shaft according to claim 1 is characterized in that: described front sealing cover (5) exterior edge face exceeds protecgulum (4) exterior edge face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100953525A CN103161960A (en) | 2013-03-25 | 2013-03-25 | Sealing device of electrical main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100953525A CN103161960A (en) | 2013-03-25 | 2013-03-25 | Sealing device of electrical main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103161960A true CN103161960A (en) | 2013-06-19 |
Family
ID=48585308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100953525A Pending CN103161960A (en) | 2013-03-25 | 2013-03-25 | Sealing device of electrical main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103161960A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551606A (en) * | 2013-10-22 | 2014-02-05 | 湖北毅兴机床有限公司 | Guide sleeve sealing device for shaft travelling numerical control lathe |
| CN104963885A (en) * | 2015-06-29 | 2015-10-07 | 萧振林 | Novel draft-fan-driven connecting and sealing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565378A (en) * | 1983-12-21 | 1986-01-21 | Gmn Georg Muller Nurnberg Gmbh | Shaft seal with lip lifting in response to shaft rotation and gas pressure |
| DE19832176A1 (en) * | 1997-07-17 | 1999-01-28 | Wto Werkzeugeinrichtungen Gmbh | Rotary spindle seal for machine tool |
| CN201037541Y (en) * | 2007-01-12 | 2008-03-19 | 北京精雕科技有限公司 | Sealing device of electric main shaft end |
| CN201239807Y (en) * | 2008-08-19 | 2009-05-20 | 天津市精诚机床制造有限公司 | Labyrinth type gas-tight sealing apparatus for machine tool main spindle |
| CN201300214Y (en) * | 2008-11-20 | 2009-09-02 | 无锡桥联数控机床有限公司 | Spindle blowing sealing structure |
| CN202398823U (en) * | 2011-12-06 | 2012-08-29 | 刘森钢 | Axial air blowing device of high speed electric spindle |
| CN102699354A (en) * | 2012-05-21 | 2012-10-03 | 慈溪市贝利轴承有限公司 | Energy-saving electric spindle |
| CN203146818U (en) * | 2013-03-25 | 2013-08-21 | 靖江市建肯高速电机有限公司 | Sealing device of motorized spindle |
-
2013
- 2013-03-25 CN CN2013100953525A patent/CN103161960A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565378A (en) * | 1983-12-21 | 1986-01-21 | Gmn Georg Muller Nurnberg Gmbh | Shaft seal with lip lifting in response to shaft rotation and gas pressure |
| DE19832176A1 (en) * | 1997-07-17 | 1999-01-28 | Wto Werkzeugeinrichtungen Gmbh | Rotary spindle seal for machine tool |
| CN201037541Y (en) * | 2007-01-12 | 2008-03-19 | 北京精雕科技有限公司 | Sealing device of electric main shaft end |
| CN201239807Y (en) * | 2008-08-19 | 2009-05-20 | 天津市精诚机床制造有限公司 | Labyrinth type gas-tight sealing apparatus for machine tool main spindle |
| CN201300214Y (en) * | 2008-11-20 | 2009-09-02 | 无锡桥联数控机床有限公司 | Spindle blowing sealing structure |
| CN202398823U (en) * | 2011-12-06 | 2012-08-29 | 刘森钢 | Axial air blowing device of high speed electric spindle |
| CN102699354A (en) * | 2012-05-21 | 2012-10-03 | 慈溪市贝利轴承有限公司 | Energy-saving electric spindle |
| CN203146818U (en) * | 2013-03-25 | 2013-08-21 | 靖江市建肯高速电机有限公司 | Sealing device of motorized spindle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551606A (en) * | 2013-10-22 | 2014-02-05 | 湖北毅兴机床有限公司 | Guide sleeve sealing device for shaft travelling numerical control lathe |
| CN104963885A (en) * | 2015-06-29 | 2015-10-07 | 萧振林 | Novel draft-fan-driven connecting and sealing device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130619 |