CN203599541U - High-speed electric spindle core structure - Google Patents
High-speed electric spindle core structure Download PDFInfo
- Publication number
- CN203599541U CN203599541U CN201320740813.5U CN201320740813U CN203599541U CN 203599541 U CN203599541 U CN 203599541U CN 201320740813 U CN201320740813 U CN 201320740813U CN 203599541 U CN203599541 U CN 203599541U
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- China
- Prior art keywords
- section
- installation portion
- speed electric
- bearing installation
- rotor
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- 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 - Lifetime
Links
- 238000009434 installation Methods 0.000 claims abstract description 40
- 238000010894 electron beam technology Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
A high-speed electric spindle core structure comprises a rotator section, a chuck section, a rotary shaft section connected between the rotor section and the chuck section and a rotor arranged on the rotor section and used for providing rotation power. A first bearing installation portion, a second bearing installation portion and a third bearing installation portion used for installing bearings are arranged on the rotor section, the rotary shaft section and the chuck section respectively. According to the high-speed electric spindle core structure, the first bearing installation portion, the second bearing installation portion and the third bearing installation portion which are used for installing the bearings are installed on a high-speed electric spindle core, therefore, it is effectively guaranteed that the high-speed electric spindle core has enough axial and radial rigidity during high-speed running, and the machining quality and the service life of the high-speed electric spindle core are guaranteed.
Description
Technical field
The utility model relates to a kind of high-speed electric main shaft axle cored structure.
Background technology
In the prior art, the axle core shape that high-speed electric main shaft is used is long and thin, causes axle core to occur in use the phenomenon that dynamics is inadequate, thereby affects its service life.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of can be provided axially and the high-speed electric main shaft axle core of enough rigidity radially in the time running up.
For achieving the above object, the utility model adopts following technical scheme:
A kind of high-speed electric main shaft axle core, it comprises rotor section, chuck section, is connected in the rotating shaft section between rotor section and chuck section and is arranged on rotor section for the rotor of rotary power is provided.In rotor section, rotating shaft section and chuck section, be respectively arranged with for bearings mounted clutch shaft bearing installation portion, the second bearing installation portion and the 3rd bearing installation portion.
On clutch shaft bearing installation portion, be provided with two angular contact ball bearings, on the second bearing installation portion, be provided with an angular contact ball bearing, on the 3rd bearing installation portion, be provided with two angular contact ball bearings.
Rotor section and rotating shaft section are threaded connection and join tightening pin and fix.
Rotating shaft section and chuck section are welded to connect by electron beam welding, and electron beam welding weld penetration between rotating shaft section and chuck section is 1.5mm-2.5mm.
The two ends that high-speed electric main shaft axle core is relative are respectively arranged with left hand thread and right-handed thread.
The end of chuck section is provided with bellmouth.
In the utility model, high-speed electric main shaft axle core is provided with three places for bearings mounted clutch shaft bearing installation portion, the second bearing installation portion and the 3rd bearing installation portion, thereby effectively guarantee high-speed electric main shaft axle core in the time running up axially with radially there is enough rigidity, guarantee high-speed electric main shaft axle core crudy and service life.
Accompanying drawing explanation
Fig. 1 is the profile of the utility model high-speed electric main shaft axle core.
Main element symbol description
100, high-speed electric main shaft axle core; 99, through hole; 10, rotor section; 11, pin; 12, weld seam; 20, rotating shaft section; 30, chuck section; 31, bellmouth; 40, rotor; 50, shaft shoulder cover; 60, clutch shaft bearing installation portion; 70, the second bearing installation portion; 80, the 3rd bearing installation portion; 91, left hand thread; 92, right-handed thread.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described further:
Refer to Fig. 1, the utility model relates to a kind of high-speed electric main shaft axle core 100, and it comprises successively rotor section 10, rotating shaft section 20, chuck section 30 from top to bottom, is all set in the rotor 40 and shaft shoulder cover 50 on rotor section 10.High-speed electric main shaft axle core 100 middle parts are provided with the through hole 99 that runs through the whole story, for the parts such as such as push rod (not shown) are installed.
High-speed electric main shaft axle core 100 sets gradually and is useful on installation shaft and holds clutch shaft bearing installation portion 60, the second bearing installation portion 70 and the 3rd bearing installation portion 80 of (not shown) from rotor section 10 to chuck section 30 directions.Wherein, clutch shaft bearing installation portion 60 is arranged at shaft shoulder cover 50 one end away from rotor 40.The second bearing installation portion 70 and the 3rd bearing installation portion 80 are arranged at respectively in rotating shaft section 20 and chuck section 30.In the present embodiment, clutch shaft bearing installation portion 60, the second bearing installation portion 70 and the 3rd bearing installation portion 80 are separately installed with two, one, two angular contact ball bearings, with guarantee high-speed electric main shaft axle core 100 in the time running up axially with radially there is enough demeanour, guarantee high-speed electric main shaft axle core 100 crudies and service life.Meanwhile, the form tolerance of clutch shaft bearing installation portion 60, the second bearing installation portion 70 and the 3rd bearing installation portion 80 is little, and three's circularity is all less than or equal to 0.001mm, and axiality is all less than or equal to 0.0015mm.
In addition, high-speed electric main shaft axle core is respectively arranged with left hand thread 91 and right-handed thread 92 structures in two ends Shang Xia 100, installs thereby can meet the different parts that require.
In the utility model, high-speed electric main shaft axle core 100 is provided with three places for bearings mounted clutch shaft bearing installation portion 60, the second bearing installation portion 70 and the 3rd bearing installation portion 80, thereby effectively guarantee high-speed electric main shaft axle core 100 in the time running up axially with radially there is enough demeanour, guarantee high-speed electric main shaft axle core 100 crudies and service life.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the utility model claim within.
Claims (6)
1. a high-speed electric main shaft axle core, is characterized in that: comprise rotor section, chuck section, be connected in the rotating shaft section between rotor section and chuck section and be arranged on rotor section for the rotor of rotary power is provided; In this rotor section, rotating shaft section and chuck section, be respectively arranged with for bearings mounted clutch shaft bearing installation portion, the second bearing installation portion and the 3rd bearing installation portion.
2. high-speed electric main shaft axle core as claimed in claim 1, it is characterized in that: on this clutch shaft bearing installation portion, be provided with two angular contact ball bearings, on the second bearing installation portion, be provided with an angular contact ball bearing, on the 3rd bearing installation portion, be provided with two angular contact ball bearings.
3. high-speed electric main shaft axle core as claimed in claim 1, is characterized in that: this rotor section and rotating shaft section are threaded connection and join tightening pin and fix.
4. high-speed electric main shaft axle core as claimed in claim 1, is characterized in that: rotating shaft section and chuck section are welded to connect by electron beam welding, and electron beam welding weld penetration between rotating shaft section and chuck section is 1.5mm-2.5mm.
5. high-speed electric main shaft axle core as claimed in claim 1, is characterized in that: the two ends that high-speed electric main shaft axle core is relative are respectively arranged with left hand thread and right-handed thread.
6. high-speed electric main shaft axle core as claimed in claim 1, is characterized in that: the end of chuck section is provided with bellmouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740813.5U CN203599541U (en) | 2013-11-20 | 2013-11-20 | High-speed electric spindle core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740813.5U CN203599541U (en) | 2013-11-20 | 2013-11-20 | High-speed electric spindle core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203599541U true CN203599541U (en) | 2014-05-21 |
Family
ID=50712243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320740813.5U Expired - Lifetime CN203599541U (en) | 2013-11-20 | 2013-11-20 | High-speed electric spindle core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203599541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741633A (en) * | 2015-03-27 | 2015-07-01 | 东南大学 | Self-locking assembling device for spindle motor rotor |
-
2013
- 2013-11-20 CN CN201320740813.5U patent/CN203599541U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741633A (en) * | 2015-03-27 | 2015-07-01 | 东南大学 | Self-locking assembling device for spindle motor rotor |
| CN104741633B (en) * | 2015-03-27 | 2017-03-01 | 东南大学 | A kind of spindle motor rotor self-locking type assembles device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |