CN208357815U - One kind sealing electro spindle from drain - Google Patents
One kind sealing electro spindle from drain Download PDFInfo
- Publication number
- CN208357815U CN208357815U CN201820922743.8U CN201820922743U CN208357815U CN 208357815 U CN208357815 U CN 208357815U CN 201820922743 U CN201820922743 U CN 201820922743U CN 208357815 U CN208357815 U CN 208357815U
- Authority
- CN
- China
- Prior art keywords
- cover
- armature spindle
- bearing
- spindle
- dustproof cover
- 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 relates to one kind to seal electro spindle from drain, including body, armature spindle, front cover, rear cover, the front and back ends of armature spindle are premenstrual respectively, rear bearing bearing is worn and connect in body, armature spindle one end passes through front cover and stretches out body, the other end is encapsulated through rear cover, it further include sealing nut and dustproof cover, dustproof cover lid is loaded on front cover, armature spindle stretch out screw thread on extra-organismal shaft part be screwed in sink to sealing nut in dustproof cover end face, the back side of sealing nut is equipped with multiple back blades, and the counterbore end face and/or counterbore wall of back blade and dustproof cover are in clearance fit.Its structure is simple, compact, can effectively prevent liquid impurity entrance, and to liquid impurity is entered from being discharged, overall sealing performance is good.
Description
Technical field
The utility model relates to a kind of electro spindles, specifically a kind of to seal electro spindle from drain
Background: technology
The electro spindle that the equipment such as numerical control machining center use is the electro-mechanical system of high integration, and spindle motor unit is
The core element of machine tool, technical requirements are very stringent, and equipment precision is high.And the optimization of the Seal Design of main shaft can be significant
Electro spindle durability is improved, the generally generally existing problem of existing electro spindle:
1, while driving Tool in Cutting workpiece, equipment component must open cutting fluid and rinse, is cooling number machine tool chief axis
Cutter and workpiece.In the environment of opposing seal, cutting fluid splashes, metal fillings or metallic dust etc., easily lead to cutting fluid or
Other impurities enter the possibility of main shaft built-in system.
2, most of Seal Design mainly uses plane and axial labyrinth seal form at present, this scheme drawback is mainly big
When measuring cutting fluid flushing, labyrinth seal, which cannot achieve, to be effectively isolated, self can not be discharged, be accumulated over a long period to the coolant liquid of entrance
Then cutting fluid is caused to enter bearing chamber, so as to cause machine tool mainshaft bearing failure, overhaul of the equipments.
Summary of the invention
In view of the above technical problems, it is simple, compact to provide a kind of structure for the utility model, can effectively prevent liquid impurity
Into, and to liquid impurity is entered from being discharged, overall sealing performance is good to seal electro spindle from drain.
The technical solution adopted in the utility model is: it is a kind of to seal electro spindle from drain, including body, armature spindle, front cover,
Rear cover, the front and back ends of armature spindle are premenstrual respectively, rear bearing bearing is worn and connect in body, and armature spindle one end passes through front cover and stretches out machine
Body, the other end are encapsulated through rear cover, it is characterised in that: further include sealing nut and dustproof cover, dustproof cover lid is loaded on front cover, rotor
Axis stretch out screw thread on extra-organismal shaft part be screwed in sink to sealing nut in dustproof cover end face, the back side of sealing nut is equipped with more
The counterbore end face of a back blade, back blade and dustproof cover and/or counterbore wall are in clearance fit.
Further, the forward and backward bearing is duplex bearing group structure, between the two bearings of duplex bearing composite structure setting every
Circle.
Still further, the other end of the armature spindle is worn respectively from inside to outside connects spring base and locking nut, spring base
It is fixedly connected on body, spring base pushes against rear bearing outwardly, and the outside of rear bearing is locked on armature spindle through locking nut presses
Tightly.
Compared with prior art, the utility model has the advantages that: sealing nut design have back blade, the sealing nut with
Armature spindle screws in cooperation, and is adjusted by the length that stalk portion screws in, realize back blade and dustproof cover counterbore end face and/or
Counterbore wall carries out clearance fit combination, and controls the gap of relative position, waits when rotating at high speed, reaches pump efficiency, really
Liquid is protected once being entered by the counterbore gap of dustproof cover and sealing nut, the back blade for contacting sealing nut can pass through centrifugation
Power separates liquid, even if there is a small amount of liquid to enter the gap between dustproof cover and front cover, the sealing nut back blade pump efficiency
By condensate liquid or liquid progress can be splashed into from being discharged by pump efficiency, reach sealing validity.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is partial enlarged view in Fig. 1.
In figure: armature spindle 1, sealing nut 2, dustproof cover 3, front cover 4, preceding spacer ring 5, fore bearing 6, body 7, spring base 8, after
Bearing 9, rear spacer ring 10, locking nut 11, rear cover 12, back blade 13.
Specific embodiment
It is described further below in conjunction with attached drawing.
Fig. 1, shown in 2, it is a kind of from drain sealing electro spindle include armature spindle 1, it is sealing nut 2, dustproof cover 3, front cover 4, preceding
Spacer ring 5, fore bearing 6, body 7, spring base 8, rear bearing 9, rear spacer ring 10, locking nut 11, rear cover 12.Armature spindle 1 it is forward and backward
End is premenstrual respectively, the bearing of rear bearing 6,9 is worn and connect in body, and forward and backward bearing is duplex bearing group structure, pair of forward and backward bearing
Forward and backward spacer ring 5,10 is respectively set between bearing combined structure two bearings.1 one end of armature spindle passes through front cover 4 and stretches out body, the other end
Encapsulated through rear cover 12, the lid of dustproof cover 3 loaded on front cover 4, armature spindle stretch out screw thread on extra-organismal shaft part be screwed in sink to it is dust-proof
The back side of sealing nut 2 in lid end face, sealing nut 2 is equipped with multiple back blades 13, the counterbore of back blade and dustproof cover
End face and/or counterbore wall are in clearance fit.The other end of armature spindle is worn respectively connect spring base and locking nut from inside to outside, spring
Seat 8 is fixedly connected on body 7, and spring base 8 pushes against rear bearing 9 outwardly, and the outside of rear bearing 9 is locked at through locking nut 11 to be turned
It is compressed on sub- axis 1.
Claims (3)
1. a kind of seal electro spindle, including body, armature spindle, front cover, rear cover from drain, the front and back ends of armature spindle are premenstrual respectively,
Rear bearing bearing, which is worn, to be connect in body, and armature spindle one end passes through front cover and stretches out body, and the other end is encapsulated through rear cover, and feature exists
In: it further include sealing nut and dustproof cover, loaded on front cover, armature spindle stretches out screw thread on extra-organismal shaft part and is screwed on dustproof cover lid
The sealing nut in dustproof cover end face is inside sunk to, the back side of sealing nut is equipped with multiple back blades, back blade and dustproof cover
Counterbore end face and/or counterbore wall be in clearance fit.
2. it is according to claim 1 a kind of from drain sealing electro spindle, it is characterized in that: the forward and backward bearing is twin shaft
A group structure is held, spacer ring is set between the two bearings of duplex bearing composite structure.
3. it is according to claim 1 a kind of from drain sealing electro spindle, it is characterized in that: the other end of the armature spindle is by interior
It wears respectively outward and connects spring base and locking nut, spring base is fixedly connected on body, and spring base pushes against rear bearing, rear axle outwardly
The outside held is locked on armature spindle through locking nut and compresses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922743.8U CN208357815U (en) | 2018-06-14 | 2018-06-14 | One kind sealing electro spindle from drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922743.8U CN208357815U (en) | 2018-06-14 | 2018-06-14 | One kind sealing electro spindle from drain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208357815U true CN208357815U (en) | 2019-01-11 |
Family
ID=64929093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820922743.8U Expired - Fee Related CN208357815U (en) | 2018-06-14 | 2018-06-14 | One kind sealing electro spindle from drain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208357815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605406A (en) * | 2018-06-14 | 2019-12-24 | 靖江斯贝得电机制造有限公司 | Self-draining sealed electric spindle |
-
2018
- 2018-06-14 CN CN201820922743.8U patent/CN208357815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605406A (en) * | 2018-06-14 | 2019-12-24 | 靖江斯贝得电机制造有限公司 | Self-draining sealed electric spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20210614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |