CN103887918B - A kind of logical watertight construction of electro spindle hollow rotating shaft - Google Patents
A kind of logical watertight construction of electro spindle hollow rotating shaft Download PDFInfo
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- CN103887918B CN103887918B CN201410016310.2A CN201410016310A CN103887918B CN 103887918 B CN103887918 B CN 103887918B CN 201410016310 A CN201410016310 A CN 201410016310A CN 103887918 B CN103887918 B CN 103887918B
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- rotating shaft
- hollow rotating
- electro spindle
- inner sleeve
- housing
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Abstract
A kind of logical watertight construction of electro spindle hollow rotating shaft, belong to electro spindle technical field, including housing (1), hollow rotating shaft (4), bearing (3), water flowing sealing device and end cap (2), it is provided with hollow rotating shaft (4) in the inside of housing (1), stator (18) it is provided with between hollow rotating shaft (4) and housing (1), rotor (19) and line bag (20), bearing (3) it is provided with outside one end of hollow rotating shaft (4), described end cap (2) is arranged on the rear portion, one end of housing (1), described water flowing sealing device is arranged on the hollow interior of hollow rotating shaft (4) one end through the middle part of end cap (2)；Present configuration is simple, ensure that normal behavior in service when the operating of electro spindle, not only prevents current to enter bearing or stator and the damage that causes, and effectively raises work efficiency.
Description
[technical field]
The invention belongs to electro spindle technical field, especially relate to the logical watertight construction of a kind of electro spindle hollow rotating shaft.
[background technology]
Known, because being actually needed of work, water flowing work, electricity sometimes can be done in the hollow axle rotating shaft of electro spindle
Main shaft in the running, has least a portion of current and flows to the inside of electro spindle, Jiu Huizao from the water inlet of electro spindle hollow rotating shaft
Become the short circuit of stator line bag, not only can destroy the lubricating condition of bearing and be brought rapidly up, also can burn stator and bearing, not only can
The normal work of impact, and scrapping of electro spindle can be caused, in order to ensure the normal work of electro spindle, it is necessary to empty to electro spindle
Mandrel turns logical water and seals.
[summary of the invention]
In order to overcome the deficiency in background technology, the water flowing that the invention discloses a kind of electro spindle hollow rotating shaft seals knot
Structure, it is possible to prevent when electro spindle operates current from entering bearing or stator and the damage that causes, effectively raise work efficiency.
In order to realize the purpose of foregoing invention, the present invention adopts the following technical scheme that
The logical watertight construction of a kind of electro spindle hollow rotating shaft, including housing, hollow rotating shaft, bearing, water flowing sealing device
And end cap, it is provided with hollow rotating shaft in the inside of housing, between hollow rotating shaft and housing, is provided with stator, rotor and line bag, at sky
Being provided with bearing outside one end of heart rotating shaft, described end cap is arranged on the rear portion, one end of housing, and described water flowing sealing device passes
The middle part of end cap is arranged on the hollow interior of hollow rotating shaft one end.
The logical watertight construction of described electro spindle hollow rotating shaft, described water flowing sealing device include joint, breather,
Water service pipe, sleeve and inner sleeve, one end of described water service pipe is arranged on the hollow interior of hollow rotating shaft one end, logical in the middle part of end cap
Being provided with inner sleeve outside the side of water pipe, be provided with sleeve in the outside of inner sleeve, one end of described breather is solid with inner sleeve by joint
Fixed connection, the external gases at high pressure of the other end of breather.
The logical watertight construction of described electro spindle hollow rotating shaft, is provided with necking segment on the middle part outer edge surface of inner sleeve,
It is laid with plurality of through holes on one side end face of necking segment, necking segment opposite side end face is provided with a screwed hole and ventilation
The joint wire connection of pipe, is provided with the endoporus A of break-through water pipe at the middle part of inner sleeve.
The logical watertight construction of described electro spindle hollow rotating shaft, is provided with endoporus B at the middle part of sleeve, and described is interior sheathed
Put in endoporus B.
The logical watertight construction of described electro spindle hollow rotating shaft, described through hole is set to the most individual.
The logical watertight construction of described electro spindle hollow rotating shaft, described through hole is circular hole or elongated hole.
The logical watertight construction of described electro spindle hollow rotating shaft, is provided with drip, described drip in the bottom of housing
The most corresponding with the water inlet of hollow rotating shaft, the drain pipe of end cap it is provided through in the side of drip.
Owing to using technique scheme, there is advantages that
The logical watertight construction of electro spindle hollow rotating shaft of the present invention, the water flowing of described electro spindle hollow rotating shaft is close
Seal structure is by arranging water service pipe in the middle part of one end of hollow rotating shaft, and outside the side of water service pipe, setting is connected with breather
Inner sleeve, makes the gases at high pressure in breather spray in the endoporus A of inner sleeve, utilizes the gases at high pressure closure attempt of ejection to flow to electricity
Current within main shaft；Present configuration is simple, ensure that normal behavior in service when the operating of electro spindle, not only prevents
The damage that current enter bearing or stator and cause, and effectively raise work efficiency.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the present invention；
Fig. 2 is sleeve of the present invention and the structural representation of inner sleeve cooperation；
Fig. 3 is the structural representation of inner sleeve of the present invention；
The structural representation of Fig. 4 sleeve of the present invention；
In the drawings: 1, housing；2, end cap；3, bearing；4, electro spindle；5, joint；6, breather；7, water service pipe；8, current
Passage；9, sleeve；10, drain pipe；11, drip；12, screwed hole；13, inner sleeve；14, endoporus A；15, necking segment；16, through hole；
17, endoporus B；18, stator；19, rotor；20, line bag；21, a side end face；22, opposite side end face.
[detailed description of the invention]
Can be explained in more detail the present invention by the following examples, the open purpose of the present invention is intended to protect the present invention
In the range of all changes and improvements, the invention is not limited in the following examples:
In conjunction with the logical watertight construction of the electro spindle hollow rotating shaft described in accompanying drawing 1, including housing 1, hollow rotating shaft 4, bearing
3, water flowing sealing device and end cap 2, be provided with hollow rotating shaft 4 in the inside of housing 1, and it is fixed to be provided with between hollow rotating shaft 4 and housing 1
Son 18, rotor 19 and line bag 20, be provided with bearing 3 outside one end of hollow rotating shaft 4, and described end cap 2 is arranged on one end of housing 1
Rear portion, is provided with drip 11 in the bottom of housing 1, and the opening of described drip 11 is the most corresponding with the water inlet of hollow rotating shaft 4,
The drain pipe 10 of end cap 2 it is provided through in the side of drip 11；Described water flowing sealing device is arranged through the middle part of end cap 2
In hollow in the middle part of hollow rotating shaft 4 one end；Described water flowing sealing device includes joint 5, breather 6, water service pipe 7, sleeve 9
With inner sleeve 13, one end of described water service pipe 7 through be arranged in the middle part of end cap 2 in the middle part of hollow rotating shaft 4 one end hollow in, in water flowing
It is provided with inner sleeve 13 outside the side of pipe 7, the middle part outer edge surface of inner sleeve 13 is provided with necking segment 15, at a side of necking segment 15
Being laid with plurality of through holes 16 on face 21, described through hole 16 is set at least 4, and described through hole 16 is circular hole or elongated hole；
Necking segment 15 opposite side end face 22 is provided with joint 5 wire connection of a screwed hole 12 and breather 6, sets at the middle part of inner sleeve 13
There is the endoporus A14 of break-through water pipe 7；It is provided with sleeve 9 in the outside of inner sleeve 13, is provided with endoporus B 17 at the middle part of sleeve 9, described
Inner sleeve 13 is arranged in endoporus B 17；One end of described breather 6 is fixed by joint 5 and inner sleeve 13 and is connected, breather 6 another
The external gases at high pressure in one end.
Implement the logical watertight construction of electro spindle hollow rotating shaft of the present invention, in use, by one end of water service pipe 7 from
Hole in the middle part of end cap 2 is inserted into the inside of hollow rotating shaft 4, and the other end of water service pipe 7 is solid with the water pipe being arranged on outside end cap 2
Fixed connection, has been provided with inner sleeve 13 outside the side of water service pipe 7, has been provided with the sleeve 9 of closing, breather 6 in the outside of inner sleeve 13
One end be connected with the screwed hole 12 in inner sleeve 13 by joint 5, the other end of breather 6 connects with gases at high pressure, in water flowing
After water pipe connected by pipe 7, current water stream channel 8 in water service pipe 7 flows into the inside of hollow rotating shaft 4, in order to prevent current from flowing to
On stator or bearing, breather 6 is connected gases at high pressure, make gases at high pressure enter in screwed hole 12, flow into the contracting of inner sleeve 13
Cervical part of esophagus 15 position, sprays in making gases at high pressure plurality of through holes 16 from a side end face 21, makes the gases at high pressure of ejection rush at
Current that water service pipe 7 flows out, thus blocked attempt and flowed on electro spindle internal current, stop operating work at electro spindle
Time, there may be the water of a small amount of remaining in hollow rotating shaft 4, in order to prevent current to flow on stator or bearing, at housing 1
Bottom be provided with drip 11, described drip 11 is arranged on transferring of the water inlet of hollow rotating shaft 4, for access from hollow
The water droplet that the water inlet of rotating shaft 4 flows out, the side of drip 11 is provided with drain pipe 10, by drain pipe 10 by the water in drip 11
Discharge；Present configuration is simple, ensure that normal behavior in service when the operating of electro spindle, not only prevents current to enter axle
Hold or stator and the damage that causes, and effectively raise work efficiency.
The embodiment selected in this article for the open purpose of the present invention, it is suitable to be presently considered to be, but answers
Solve, it is contemplated that include that all belong to all changes of embodiment in this design and the scope of the invention and improvement.
Claims (4)
1. a logical watertight construction for electro spindle hollow rotating shaft, including housing (1), hollow rotating shaft (4), bearing (3), water flowing
Sealing device and end cap (2), be provided with hollow rotating shaft (4) in the inside of housing (1), sets between hollow rotating shaft (4) and housing (1)
There are stator (18), rotor (19) and line bag (20), outside one end of hollow rotating shaft (4), are provided with bearing (3), it is characterized in that: institute
Stating end cap (2) and be arranged on the rear portion, one end of housing (1), described water flowing sealing device is arranged on sky through the middle part of end cap (2)
Heart rotating shaft (4) one end hollow in；Described water flowing sealing device includes joint (5), breather (6), water service pipe (7), sleeve
(9) and inner sleeve (13), one end of described water service pipe (7) is arranged on the hollow of hollow rotating shaft (4) one end through end cap (2) middle part
In, outside the side of water service pipe (7), it is provided with inner sleeve (13), is provided with sleeve (9) in the outside of inner sleeve (13), at sleeve (9)
Middle part is provided with endoporus B(17), described inner sleeve (13) is arranged in endoporus B (17)；One end of described breather (6) is by connecing
Head (5) is fixing with inner sleeve (13) to be connected, and is provided with necking segment (15), in necking segment (15) on the middle part outer edge surface of inner sleeve (13)
It is laid with plurality of through holes (16) on one side end face (21), necking segment (15) opposite side end face (22) is provided with a screw thread
Hole (12) and joint (5) wire connection of breather (6), be provided with the endoporus A(14 of break-through water pipe (7) at the middle part of inner sleeve (13))；Logical
The external gases at high pressure of the other end of trachea (6).
The logical watertight construction of electro spindle hollow rotating shaft the most according to claim 1, is characterized in that: described through hole (16)
It is set at least (4) individual.
The logical watertight construction of electro spindle hollow rotating shaft the most according to claim 1, is characterized in that: described through hole (16) is
Circular hole or elongated hole.
The logical watertight construction of electro spindle hollow rotating shaft the most according to claim 1, is characterized in that: under housing (1)
Portion is provided with drip (11), and described drip (11) is the most corresponding with the water inlet of hollow rotating shaft (4), at drip (11)
Side is provided through the drain pipe (10) of end cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016310.2A CN103887918B (en) | 2014-01-15 | 2014-01-15 | A kind of logical watertight construction of electro spindle hollow rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016310.2A CN103887918B (en) | 2014-01-15 | 2014-01-15 | A kind of logical watertight construction of electro spindle hollow rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103887918A CN103887918A (en) | 2014-06-25 |
| CN103887918B true CN103887918B (en) | 2016-08-17 |
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ID=50956672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410016310.2A Active CN103887918B (en) | 2014-01-15 | 2014-01-15 | A kind of logical watertight construction of electro spindle hollow rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103887918B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478190A (en) * | 2008-12-30 | 2009-07-08 | 洛阳轴研科技股份有限公司 | Air sealing construct design for electric main shaft of oil grease mill |
| CN201674349U (en) * | 2010-05-25 | 2010-12-15 | 北京精雕精密机械制造有限公司 | Internal-and-external-cooled high-speed electric spindle |
| CN102114613A (en) * | 2010-11-11 | 2011-07-06 | 东南大学 | Efficient inner-cooling electric spindle |
-
2014
- 2014-01-15 CN CN201410016310.2A patent/CN103887918B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478190A (en) * | 2008-12-30 | 2009-07-08 | 洛阳轴研科技股份有限公司 | Air sealing construct design for electric main shaft of oil grease mill |
| CN201674349U (en) * | 2010-05-25 | 2010-12-15 | 北京精雕精密机械制造有限公司 | Internal-and-external-cooled high-speed electric spindle |
| CN102114613A (en) * | 2010-11-11 | 2011-07-06 | 东南大学 | Efficient inner-cooling electric spindle |
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| Publication number | Publication date |
|---|---|
| CN103887918A (en) | 2014-06-25 |
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Effective date of registration: 20180510 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |