CN210046009U - Labyrinth seal water throwing structure of electric spindle - Google Patents
Labyrinth seal water throwing structure of electric spindle Download PDFInfo
- Publication number
- CN210046009U CN210046009U CN201920785353.5U CN201920785353U CN210046009U CN 210046009 U CN210046009 U CN 210046009U CN 201920785353 U CN201920785353 U CN 201920785353U CN 210046009 U CN210046009 U CN 210046009U
- Authority
- CN
- China
- Prior art keywords
- shell
- adjusting wire
- annular
- labyrinth seal
- face
- 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
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
Abstract
The utility model relates to an electric main shaft, in particular to a labyrinth seal water throwing structure of the electric main shaft; the spindle is arranged in the shell, one end of the spindle extends out of the shell, a combining cap is embedded on the front end face of the shell, and a plurality of annular notches are formed in the front end face of the combining cap; the main shaft is sleeved with an adjusting wire, the adjusting wire covers the end part of the shell and rotates relative to the shell, an annular convex tooth matched with the annular notch is arranged on the rear end face of the adjusting wire, and the annular convex tooth and the annular notch form a labyrinth seal structure; the adjusting wire is matched with the combining cap, the rear end face of the adjusting wire is provided with an annular convex tooth, the front end face of the combining cap is provided with an annular notch, and the corresponding annular notch is internally provided with the annular convex tooth to form a labyrinth seal structure so as to prevent impurities from falling into the shell; through set up the chute on the circumference outer wall at the adjusting wire, can effectively throw away the water droplet, prevent that the water droplet from falling into to the casing to and corrode the casing.
Description
Technical Field
The utility model relates to an electricity main shaft specifically is an electricity main shaft labyrinth seal gets rid of water structure.
Background
Electric main shaft is the new technology that appears in the digit control machine tool field and combines together lathe main shaft and spindle motor, and the mode of giving birth to electricity through the magnetism drives the pivot for the rotation of casing, but in the actual conditions, because the pivot need rotate, has certain space between pivot and the casing, because the existence in space, can lead to impurity, rainwater etc. falls into to the casing in to influence electric main shaft's life, how to prevent that impurity from falling into the casing in become the problem that needs the solution for this company urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to prevent impurities from falling into the housing.
In order to achieve the above object, the utility model provides a following technical scheme: the spindle is arranged in the shell, and one end of the spindle extends out of the shell; the stator in the shell drives the main shaft to rotate, and one end, extending out of the shell, of the main shaft is connected to provide a power source for a subsequent station.
A combining cap is embedded on the front end surface of the shell, and a plurality of annular notches are formed in the front end surface of the combining cap;
the front end of the shell is fixedly provided with an annular union cap, and the annular union cap is provided with a plurality of concentric annular notches, namely the cross sections of the annular notches are tooth-shaped when viewed from the cross sections of the annular union cap.
The main shaft is sleeved with an adjusting wire, the adjusting wire covers the end part of the shell and rotates relative to the shell, an annular convex tooth matched with the annular notch is arranged on the rear end face of the adjusting wire, and the annular convex tooth and the annular notch form a labyrinth seal structure;
the adjusting wire covers the end part of the shell, namely the adjusting wire covers the outer diameter of the shell, so that impurities can be reduced to enter a gap between the shell and the adjusting wire; in addition in order to further prevent that impurity from entering into to the casing, adjust the silk and the cooperation of cap, be provided with annular dogtooth on the regulation silk rear end face to be provided with annular notch before the cap on the terminal surface, placed annular dogtooth in the corresponding annular notch, because the rotation of main shaft, thereby drive annular dogtooth and rotate for annular notch, annular dogtooth and annular notch's cooperation is in order to form labyrinth seal structure, thereby prevent that impurity from falling into to the casing.
In order to better prevent water drops from falling into the shell and eroding the electric main shaft, the utility model adopts the technical scheme that the peripheral outer wall of the adjusting wire is provided with a chute, one side of the chute wall is vertical to the axial direction of the adjusting wire, and the other side of the chute wall and the outer wall of the adjusting wire form an obtuse angle;
when water drops fall onto the adjusting wire, due to the arrangement of the chute, when the adjusting wire rotates, the water drops move to the chute, and are thrown out from the chute by using steering force, so that the water drops are prevented from contacting with the shell, and the service life of the electric spindle is prolonged;
one side of the chute wall is vertical to the axial direction of the adjusting wire, and the other side of the chute wall and the outer wall of the adjusting wire form an obtuse angle; when the water droplet falls to in the chute, the water droplet can be thrown away along being the cell wall that the obtuse angle set up, sets up like this can be better prevent that water droplet and casing from contacting.
The utility model has the advantages that: the utility model discloses a water throwing structure for labyrinth seal of an electric main shaft, an adjusting wire is matched with a combining cap, an annular convex tooth is arranged on the rear end surface of the adjusting wire, an annular notch is arranged on the front end surface of the cap, and the annular convex tooth is arranged in the corresponding annular notch to form a labyrinth seal structure, so that impurities are prevented from falling into a shell; through set up the chute on the circumference outer wall at the adjusting wire, can effectively throw away the water droplet, prevent that the water droplet from falling into to the casing to and corrode the casing.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of the present invention at A;
in the figure: 1-shell, 2-main shaft, 3-combined cap, 4-annular notch, 5-adjusting wire, 6-annular convex tooth and 7-chute.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the utility model relates to a labyrinth seal water-throwing structure of an electric spindle, which comprises a shell 1 and a spindle 2, wherein the spindle 2 is arranged in the shell 1, and one end of the spindle 2 extends out of the shell 1; the stator in the shell drives the main shaft to rotate, and one end, extending out of the shell, of the main shaft is connected to provide a power source for a subsequent station.
As shown in fig. 2, a combining cap 3 is embedded on the front end face of the housing 1, and a plurality of annular notches 4 are preferably arranged on the front end face of the combining cap 3;
the front end of the shell is fixedly provided with an annular union cap, and the annular union cap is provided with a plurality of concentric annular notches, namely the cross sections of the annular notches are tooth-shaped when viewed from the cross sections of the annular union cap.
As shown in fig. 2, an adjusting wire 5 is sleeved on the main shaft 2, the adjusting wire 5 covers the end of the housing 1 and rotates relative to the housing 1, an annular convex tooth 6 matched with the annular notch 4 is arranged on the rear end surface of the adjusting wire 5, and the annular convex tooth 6 and the annular notch 4 form a labyrinth seal structure; two annular lobes are preferably provided.
The adjusting wire covers the end part of the shell, namely the adjusting wire covers the outer diameter of the shell, so that impurities can be reduced to enter a gap between the shell and the adjusting wire; in addition in order to further prevent that impurity from entering into to the casing, adjust the silk and the cooperation of cap, be provided with annular dogtooth on the regulation silk rear end face to be provided with annular notch before the cap on the terminal surface, placed annular dogtooth in the corresponding annular notch, because the rotation of main shaft, thereby drive annular dogtooth and rotate for annular notch, annular dogtooth and annular notch's cooperation is in order to form labyrinth seal structure, thereby prevent that impurity from falling into to the casing.
As shown in fig. 2, in order to better prevent water drops from falling into the housing and eroding the electric spindle, the utility model adopts the structure that the chute 7 is arranged on the circumferential outer wall of the adjusting wire 5, one side of the chute wall of the chute 7 is vertical to the axial direction of the adjusting wire, and the other side of the chute wall of the chute 7 is arranged at an obtuse angle with the outer wall of the adjusting wire;
when water drops fall onto the adjusting wire, due to the arrangement of the chute, when the adjusting wire rotates, the water drops move to the chute, and are thrown out from the chute by using steering force, so that the water drops are prevented from contacting with the shell, and the service life of the electric spindle is prolonged;
one side of the chute wall is vertical to the axial direction of the adjusting wire, and the other side of the chute wall and the outer wall of the adjusting wire form an obtuse angle; when the water droplet falls to in the chute, the water droplet can be thrown away along being the cell wall that the obtuse angle set up, sets up like this can be better prevent that water droplet and casing from contacting.
The utility model discloses a water throwing structure for labyrinth seal of an electric main shaft, an adjusting wire is matched with a combining cap, an annular convex tooth is arranged on the rear end surface of the adjusting wire, an annular notch is arranged on the front end surface of the cap, and the annular convex tooth is arranged in the corresponding annular notch to form a labyrinth seal structure, so that impurities are prevented from falling into a shell; through set up the chute on the circumference outer wall at the adjusting wire, can effectively throw away the water droplet, prevent that the water droplet from falling into to the casing to and corrode the casing.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The labyrinth seal water throwing structure of the electric main shaft comprises a shell and a main shaft; the spindle is arranged in the shell, and one end of the spindle extends out of the shell, and the spindle is characterized in that a combining cap is embedded on the front end face of the shell, and a plurality of annular notches are formed in the front end face of the combining cap;
the spindle is sleeved with an adjusting wire, the adjusting wire covers the end part of the shell and rotates relative to the shell, an annular convex tooth matched with the annular notch is arranged on the rear end face of the adjusting wire, and the annular convex tooth and the annular notch form a labyrinth seal structure.
2. The electric spindle labyrinth seal water slinging structure as claimed in claim 1, wherein the adjusting wire is provided with a chute on its circumferential outer wall, one side of the chute wall is perpendicular to the axial direction of the adjusting wire, and the other side of the chute wall is at an obtuse angle with the outer wall of the adjusting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785353.5U CN210046009U (en) | 2019-05-28 | 2019-05-28 | Labyrinth seal water throwing structure of electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785353.5U CN210046009U (en) | 2019-05-28 | 2019-05-28 | Labyrinth seal water throwing structure of electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210046009U true CN210046009U (en) | 2020-02-11 |
Family
ID=69396010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920785353.5U Expired - Fee Related CN210046009U (en) | 2019-05-28 | 2019-05-28 | Labyrinth seal water throwing structure of electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210046009U (en) |
-
2019
- 2019-05-28 CN CN201920785353.5U patent/CN210046009U/en not_active Expired - Fee Related
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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: 20200211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |