CN207542920U - A kind of segmented waterproof electro spindle - Google Patents
A kind of segmented waterproof electro spindle Download PDFInfo
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- CN207542920U CN207542920U CN201721668840.0U CN201721668840U CN207542920U CN 207542920 U CN207542920 U CN 207542920U CN 201721668840 U CN201721668840 U CN 201721668840U CN 207542920 U CN207542920 U CN 207542920U
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- segmented
- end bearing
- electro spindle
- annular
- cover board
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Abstract
The utility model discloses a kind of segmented waterproof electro spindles, including housing, stator, rotor, preceding end bearing and rear end bearing and rear cover, the housing bottom end is provided with front-end bearing pedestal, the front-end bearing pedestal includes an ontology, which opens up there are one for placing the inner cavity of preceding end bearing, and the top of ontology and the bottom end of housing offset；There are one first annular boss for the top setting of ontology, and housing bottom end is sleeved in first annular outer wall of boss；The bottom end of front-end bearing pedestal is provided with protecgulum, and protecgulum bottom is provided with one piece of cover board, is opened up in the middle part of cover board there are one circular hole, and a water-proof nut is inserted into the circular hole；Water-proof nut bottom is provided with first annular flange, which is located at below cover board and is sealed with cover board by labyrinth structure.The utility model discloses a kind of segmented waterproof electro spindles so that the processing of housing and front-end bearing pedestal is simpler, and avoids the water inlet of electro spindle front end, ensures electro spindle normal operation.
Description
Technical field
The utility model is related to electro spindle technical field, more particularly to a kind of segmented waterproof electro spindle.
Background technology
The front-end bearing pedestal of electro spindle（That bearing block of adjacent rotor output terminal）It is integrally formed with fuselage, due to bearing block
Endoporus is much smaller compared to fuselage, therefore causes fuselage endoporus that must use deep hole machining, and not only difficulty of processing is big, and is difficult to protect
Processing quality is demonstrate,proved, is reduced so as to cause the qualification rate of the electro spindle processed.In addition, the front end of electro spindle fuselage is open knot
Structure is not provided with sealing structure.However, electro spindle is needed in actual work to cutter spraying cooling liquid, coolant splashes electric master
Electro spindle fuselage interior can be entered behind axis front end, so as to damage bearing, reduce the service life of bearing, and cause electro spindle dimension
It repaiies more frequently.
As it can be seen that the prior art could be improved and improve.
Utility model content
Part in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of anti-water power masters of segmented
Axis, it is intended to the technical issues of electro spindle fuselage processing difficulties, qualification rate are low in the prior art for solution, and front end easily intakes.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of segmented waterproof electro spindle includes the housing of cylindrical shape, stator, rotor, preceding end bearing and rear end bearing, with
And the rear cover of housing tip is arranged on, the housing bottom end is provided with front-end bearing pedestal, which includes an ontology, this
Body is opened up there are one for placing the inner cavity of preceding end bearing, and the top of ontology and the bottom end of housing offset；The top setting of ontology
There are one first annular boss, and housing bottom end is sleeved in first annular outer wall of boss；The bottom end of front-end bearing pedestal is provided with protecgulum, preceding
Base portion is provided with one piece of cover board, is opened up in the middle part of cover board there are one circular hole, and a water-proof nut is inserted into the circular hole；Water-proof nut
Bottom is provided with first annular flange, which is located at below cover board and is carried out with cover board by labyrinth structure close
Envelope.
In the segmented waterproof electro spindle, the top of the first annular boss inner wall is connected with the second convex annular
Edge.
In the segmented waterproof electro spindle, the ontology of the front-end bearing pedestal, first annular boss and the second convex annular
Edge is integrally formed.
In the segmented waterproof electro spindle, the external wall cross-section of the ontology of the front-end bearing pedestal is round, the ontology
Outer diameter it is equal in the outer diameter of the housing.
In the segmented waterproof electro spindle, the cover board lower surface is set at circular hole there are one the second convex annular
Platform, the upper surface of first annular flange open up that there are one first annular grooves；Second annular convex platform is inserted into first annular recessed
In slot.
In the segmented waterproof electro spindle, the upper surface of the cover board offers at least one second annular groove,
An O-ring is respectively arranged in each second annular groove.
In the segmented waterproof electro spindle, the O-ring is nitrile rubber O-ring or fluororubber O-type ring.
In the segmented waterproof electro spindle, the upper surface of the water-proof nut is higher than the upper surface of cover board.
Advantageous effect：
The utility model provides a kind of segmented waterproof electro spindle, compared with prior art, by by housing and fore bearing
Seat segment design, is fabricated separately, consequently facilitating the endoporus on processing housing and front-end bearing pedestal, and can will process on housing
Aperture is moved on front-end bearing pedestal and is processed, and improves processing efficiency and product qualification rate；And so that assembling is simple, and it is easy to maintain, it is fixed
The installation and dismounting of son are easy, improve efficiency of assembling.By setting cover board and water-proof nut, and the second ring of the lower surface of cover board
The first annular flange of shape boss and water-proof nut is combined into labyrinth structure, then is passed through air in side air inlet and forms gas
Curtain effectively prevent coolant in process to enter the fuselage of electro spindle, and the longevity is used so as to ensure that end bearing before electro spindle
Life reduces the frequency of maintenance of electro spindle.
Description of the drawings
Fig. 1 is the structure diagram of segmented waterproof electro spindle provided by the utility model.
Fig. 2 is the partial enlarged view in S1 regions in Fig. 1.
Fig. 3 is the partial enlarged view in S2 regions in Fig. 1.
Fig. 4 is the partial enlarged view in S3 regions in Fig. 1.
Specific embodiment
The utility model provides a kind of segmented waterproof electro spindle, to make the purpose of this utility model, technical solution and effect
Fruit is clearer, clear and definite, and the utility model is further described in the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this
Locate described specific embodiment only to explain the utility model, be not used to limit the utility model.
It please refers to Fig.1 to Fig.4, the utility model provides a kind of segmented waterproof electro spindle.
The segmented waterproof electro spindle includes cylindric housing 1, stator 21, rotor 22, preceding end bearing 31 and rear end
Bearing 32 and the rear cover 42 for being arranged on housing tip, 1 bottom end of housing are provided with front-end bearing pedestal, which includes
One ontology 51, the ontology 51 open up that there are one the inner cavity for end bearing 41 before placing, the top of ontology 51 and the bottoms of housing 1
End offsets；There are one first annular boss 52 for the top setting of ontology 51, and 1 bottom end of housing is sleeved on first annular 52 outer wall of boss
On；The bottom end of front-end bearing pedestal is provided with protecgulum 41, and 41 bottom of protecgulum is provided with one piece of cover board 6, and 6 middle part of cover board opens up that there are one circles
A water-proof nut 7 is inserted into hole in the circular hole；7 bottom of water-proof nut is provided with first annular flange 71, the first annular flange
71 are located at 6 lower section of cover board and are sealed with cover board 6 by labyrinth structure.
Further, the top of 52 inner wall of first annular boss is connected with the second annular flange 53.During practical application,
The lower surface of preceding end bearing and above-mentioned second annular flange in front-end bearing pedestal offsets, that is, the second annular flange plays auxiliary peace
The effect of bearing is put, so that the inner cavity form in the ontology of front-end bearing pedestal is simpler, that is, the inner cavity is in one on the whole
Circular hole；The aperture of the circular hole is equal with the internal diameter of annular convex platform, and the aperture of the circular hole is equal with the bearing outside diameter in front-end bearing pedestal.
Further, for the ease of processing, the ontology 51 of the front-end bearing pedestal, 52 and second convex annular of first annular boss
Edge 53 is integrally formed.
Further, the external wall cross-section of the ontology 51 of the front-end bearing pedestal is circle, the outer diameter of the ontology 51 in
The outer diameter of the housing 1 is equal.The purpose of the setting is so that the shape of entire fuselage is cylindrical, be easily installed in lathe
On.
" labyrinth structure " described previously may be accomplished by：6 lower surface of cover board is provided at circular hole
One the second annular convex platform 61, the upper surface of first annular flange 71 open up that there are one first annular grooves 711；Second ring
Shape boss 61 is inserted into first annular groove 711.
The upper surface of the cover board 6 offers at least one second annular groove, is set respectively in each second annular groove
O-ring there are one putting（Second annular groove and O-ring are located at 62 signified positions in attached drawing）.One is only schematically drawn in attached drawing
A second annular groove and O-ring, but it's not limited to that.It, can be upper so as to cover board to avoid coolant by setting O-ring
Surface is laterally penetrated into, and further improves water resistance.
Preferably, the O-ring is nitrile rubber O-ring or fluororubber O-type ring.
Further, the upper surface of the water-proof nut 7 is higher than the upper surface of cover board 6.The setting causes coolant more
It is difficult to penetrate into and beyond the upper surface of water-proof nut.
In the utility model, housing and front-end bearing pedestal segment design are fabricated separately, so that housing and front-end bearing pedestal
Endoporus, the processing of inner cavity it is more convenient, improve processing efficiency and qualification rate；By the first annular convex of front-end bearing pedestal during assembling
Platform is nested into housing, efficient and convenient, and housing and front-end bearing pedestal are fixed by screw, and axis will not occur between housing and front-end bearing pedestal
To mobile or rotation.And cover board is arranged on the outside of electro spindle protecgulum, the rotor threads connection of water-proof nut and electro spindle, and covers
Second annular convex platform of plate is inserted into the first annular groove of water-proof nut, is sealed, is effectively prevent so as to fulfill labyrinth structure
Coolant enters electro spindle fuselage interior in process, ensure that the service life of end bearing before electro spindle, reduces electricity
The frequency of maintenance of main shaft.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (8)
1. a kind of segmented waterproof electro spindle, include cylindric housing, stator, rotor, preceding end bearing and rear end bearing and
It is arranged on the rear cover of housing tip, which is characterized in that the housing bottom end is provided with front-end bearing pedestal, which includes one
Ontology, the ontology are opened up there are one for placing the inner cavity of preceding end bearing, and the top of ontology and the bottom end of housing offset；Ontology
There are one first annular boss for top setting, and housing bottom end is sleeved in first annular outer wall of boss；The bottom end setting of front-end bearing pedestal
There is a protecgulum, protecgulum bottom is provided with one piece of cover board, is opened up in the middle part of cover board there are one circular hole, and a waterproof spiral shell is inserted into the circular hole
It is female；Water-proof nut bottom is provided with first annular flange, which is located at below cover board and passes through labyrinth with cover board
Structure is sealed.
2. segmented waterproof electro spindle according to claim 1, which is characterized in that the top of the first annular boss inner wall
End is connected with the second annular flange.
3. segmented waterproof electro spindle according to claim 2, which is characterized in that the ontology of the front-end bearing pedestal, first
Annular convex platform and the second annular flange are integrally formed.
4. segmented waterproof electro spindle according to claim 3, which is characterized in that the outer wall of the ontology of the front-end bearing pedestal
Cross section is circle, and the outer diameter of the ontology is equal in the outer diameter of the housing.
5. segmented waterproof electro spindle according to claim 1, which is characterized in that the cover board lower surface is at circular hole
There are one the second annular convex platform, the upper surface of first annular flange opens up that there are one first annular grooves for setting；Second ring
Shape boss is inserted into first annular groove.
6. segmented waterproof electro spindle according to claim 5, which is characterized in that the upper surface of the cover board offer to
Lack a second annular groove, an O-ring is respectively arranged in each second annular groove.
7. segmented waterproof electro spindle according to claim 6, which is characterized in that the O-ring is nitrile rubber O-ring
Or fluororubber O-type ring.
8. segmented waterproof electro spindle according to claim 7, which is characterized in that the upper surface of the water-proof nut is higher than
The upper surface of cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668840.0U CN207542920U (en) | 2017-12-05 | 2017-12-05 | A kind of segmented waterproof electro spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668840.0U CN207542920U (en) | 2017-12-05 | 2017-12-05 | A kind of segmented waterproof electro spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207542920U true CN207542920U (en) | 2018-06-26 |
Family
ID=62616994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721668840.0U Active CN207542920U (en) | 2017-12-05 | 2017-12-05 | A kind of segmented waterproof electro spindle |
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| Country | Link |
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| CN (1) | CN207542920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789152A (en) * | 2018-07-24 | 2018-11-13 | 广东盈贯新机械有限公司 | A kind of secondary transmission mainshaft mechanism on glass arc-shaped edges edge polisher |
-
2017
- 2017-12-05 CN CN201721668840.0U patent/CN207542920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789152A (en) * | 2018-07-24 | 2018-11-13 | 广东盈贯新机械有限公司 | A kind of secondary transmission mainshaft mechanism on glass arc-shaped edges edge polisher |
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