CN211939071U - Three-phase asynchronous servo control electric main shaft - Google Patents
Three-phase asynchronous servo control electric main shaft Download PDFInfo
- Publication number
- CN211939071U CN211939071U CN202020123322.6U CN202020123322U CN211939071U CN 211939071 U CN211939071 U CN 211939071U CN 202020123322 U CN202020123322 U CN 202020123322U CN 211939071 U CN211939071 U CN 211939071U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- bearing
- base
- angular contact
- contact ball
- 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
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a three-phase asynchronous servo control electric main shaft, which comprises a frame, a main shaft, a motor rotor and a motor stator, wherein the motor rotor and the motor stator are arranged between the frame and the main shaft; a cover plate is arranged between the front end of the main shaft and the front end of the base; an angular contact ball bearing and a cylindrical roller bearing are sequentially arranged between the cover plate and the motor rotor from inside to outside; a front bearing cover is arranged between the cover plate and the cylindrical roller bearing, and a front bearing sleeve is arranged in front of the angular contact ball bearing and the cylindrical roller bearing and the base; a rear bearing seat and a rear bearing sleeve are arranged between the rear part of the main shaft and the rear end of the machine base; an angular contact ball bearing is arranged between the rear bearing seat and the main shaft; the rear end of the main shaft is provided with a coder base and a hydraulic mounting disc, and the hydraulic mounting disc is connected with the main shaft through a lock nut. The utility model discloses sound construction, transmission performance is good, can satisfy and use under the environment of the high moment of torsion of low rotational speed.
Description
Technical Field
The utility model belongs to the technical field of digit control machine tool and peripheral supporting part, more specifically says, relates to an asynchronous servo control electricity main shaft of three-phase.
Background
The electric spindle is a new technology which integrates a machine tool spindle and a spindle motor into a whole and appears in the field of numerical control machines. The transmission structure form of the spindle motor and the machine tool spindle which are combined into a whole enables the spindle part to be relatively independent from the transmission system and the whole structure of the machine tool, so that the spindle motor can be made into a spindle unit which is commonly called as an electric spindle and is mainly applied to: numerical control machine tools, electromechanical equipment, micro motors, pressure rotors and the like.
The electric spindle comprises the electric spindle and accessories thereof, and comprises the electric spindle, a high-frequency conversion device, an oil mist lubricator, a cooling device, a built-in encoder, a tool changer and the like. The rotor of the motor is directly used as the main shaft of the machine tool, the shell of the main shaft unit is the motor base, and the motor and the main shaft of the machine tool are integrated by matching with other parts. However, the above structure has the following two disadvantages:
1. when the speed of the servo motor is lower than 1 ten thousand revolutions, the power of the motor is insufficient, and the requirement of low rotating speed and high power cannot be met.
2. The servo motor is high in cost, difficult to maintain, high in use cost and not beneficial to production.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an asynchronous servo control electricity main shaft of three-phase, reasonable in design uses lock mother and junk ring, and sound construction, transmission performance is good, can satisfy and use under the environment of the high moment of torsion of low rotational speed, is applicable to the powerful environment such as lathe getting on the bus, washing and uses, the effectual accuracy and the durability that improve electricity main shaft, more reduction the use cost and the cost of maintenance of electricity main shaft.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the three-phase asynchronous servo control electric main shaft comprises a machine base, a main shaft, a motor rotor and a motor stator, wherein the motor rotor and the motor stator are arranged between the machine base and the main shaft; the method is characterized in that: a cover plate is arranged between the front end of the main shaft and the front end of the base; an angular contact ball bearing and a cylindrical roller bearing are sequentially arranged between the cover plate and the motor rotor from inside to outside; a front bearing cover is arranged between the cover plate and the cylindrical roller bearing, and a front bearing sleeve is arranged in front of the angular contact ball bearing and the cylindrical roller bearing and the base; a rear bearing seat and a rear bearing sleeve are arranged between the rear part of the main shaft and the rear end of the machine base; an angular contact ball bearing is arranged between the rear bearing seat and the main shaft; the rear end of the main shaft is provided with a coder base and a hydraulic mounting disc, and the hydraulic mounting disc is connected with the main shaft through a lock nut.
As an optimized technical scheme, a lining ring is arranged between the angular contact ball bearing and the motor rotor; the rear part between the motor stator and the main shaft is provided with a rear lock nut and a rear lining ring, and the front part between the motor stator and the main shaft is provided with a front lock nut and a front lining ring.
As an optimized technical scheme, an O-shaped rubber sealing ring is arranged at the contact part of the front bearing cover and the front bearing sleeve.
As an optimized technical scheme, a water throwing ring is arranged at the contact part of the front bearing cover and the main shaft.
Owing to adopted above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:
1. the utility model discloses used a plurality of junk rings and lock mother between stator, rotor, bearing, the sound construction, transmission performance is good, can satisfy and use under the environment of the high moment of torsion of low rotational speed, be applicable to the lathe and go up the car, wash the powerful environment use such as, and all junk rings in this patent are that the structure is the same, the lock mother that the size model is different is female with the lock mother, this is selected according to actual need, to the technical personnel in the field, the selection of lock mother and junk ring is essential knowledge.
2. The utility model discloses an encoder on structure cooperation encoder base, the effectual accuracy and the durability that improve electric main shaft, more reduction electric main shaft's use cost and cost of maintenance.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1, the three-phase asynchronous servo control electric spindle comprises a base 9, a spindle 1, a motor rotor 12 and a motor stator 13, which are arranged between the base and the spindle.
A cover plate 3 is arranged between the front end of the main shaft 1 and the front end of the machine 9 seat. The angular contact ball bearing 7 and the cylindrical roller bearing 6 are sequentially arranged between the cover plate 3 and the motor rotor 12 from inside to outside. A front bearing cover 5 is arranged between the cover plate 3 and the cylindrical roller bearing 6, and a front bearing sleeve 8 is arranged in front of the angular contact ball bearing, the cylindrical roller bearing and the engine base. A rear bearing seat 19 and a rear bearing sleeve 18 are arranged between the rear part of the main shaft and the rear end of the machine base. An angular contact ball bearing 17 is arranged between the rear bearing seat and the main shaft.
The rear end of the main shaft is provided with a coder base 20 and a hydraulic mounting disc 21, and the hydraulic mounting disc 21 is connected with the main shaft 1 through a lock nut 22.
A lining ring 16 is arranged between the angular contact ball bearing 17 and the motor rotor. The rear part between the motor stator and the main shaft is provided with a rear lock nut 16 and a rear lining ring 15, and the front part between the motor stator and the main shaft is provided with a front lock nut 11 and a front lining ring 10.
And an O-shaped rubber sealing ring 5 is arranged at the contact part of the front bearing cover and the front bearing sleeve. And a water throwing ring 2 is arranged at the contact part of the front bearing cover and the main shaft.
The utility model discloses used a plurality of junk rings and lock mother between stator, rotor, bearing, the sound construction, transmission performance is good, can satisfy and use under the environment of the high moment of torsion of low rotational speed, be applicable to the lathe and go up the car, wash the powerful environment use such as, and all junk rings in this patent are that the structure is the same, the lock mother that the size model is different is female with the lock mother, this is selected according to actual need, to the technical personnel in the field, the selection of lock mother and junk ring is essential knowledge.
The utility model discloses an encoder on structure cooperation encoder base, the effectual accuracy and the durability that improve electric main shaft, more reduction electric main shaft's use cost and cost of maintenance.
The utility model discloses can also cooperate three-phase AC motor to use. A squirrel-cage structure in a three-phase alternating current motor generates a magnetic field to drive a rotor to rotate, an encoder controls an electric spindle to rotate, the encoder on an encoder base is connected with a numerical control platform and controlled by a magnetic field wave band to achieve high-precision rotation, and a hydraulic connecting disc 21 at the rear part of the electric spindle is connected with a hydraulic chuck and is fixedly installed on a numerical control machine tool for use. A thermal protector is arranged in a junction box in the motor. The thermal protector is purchased from the existing product, so the connection relation and the internal working principle belong to the prior art, and the detailed description is omitted. If the motor is overloaded and heated to exceed a certain value, the thermal protector can start to cut off the current to protect the motor from being safe
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The three-phase asynchronous servo control electric main shaft comprises a machine base, a main shaft, a motor rotor and a motor stator, wherein the motor rotor and the motor stator are arranged between the machine base and the main shaft;
the method is characterized in that:
a cover plate is arranged between the front end of the main shaft and the front end of the base; an angular contact ball bearing and a cylindrical roller bearing are sequentially arranged between the cover plate and the motor rotor from inside to outside; a front bearing cover is arranged between the cover plate and the cylindrical roller bearing, and front bearing sleeves are arranged between the angular contact ball bearing and the base and between the cylindrical roller bearing and the base;
a rear bearing seat and a rear bearing sleeve are arranged between the rear part of the main shaft and the rear end of the machine base; an angular contact ball bearing is arranged between the rear bearing seat and the main shaft;
the rear end of the main shaft is provided with a coder base and a hydraulic mounting disc, and the hydraulic mounting disc is connected with the main shaft through a lock nut.
2. A three-phase asynchronous servo controlled motorized spindle as claimed in claim 1, wherein: a lining ring is arranged between the angular contact ball bearing and the motor rotor; the rear part between the motor stator and the main shaft is provided with a rear lock nut and a rear lining ring, and the front part between the motor stator and the main shaft is provided with a front lock nut and a front lining ring.
3. A three-phase asynchronous servo controlled motorized spindle as claimed in claim 2, wherein: and an O-shaped rubber sealing ring is arranged at the contact part of the front bearing cover and the front bearing sleeve.
4. A three-phase asynchronous servo controlled motorized spindle as claimed in claim 3, wherein: and a water throwing ring is arranged at the contact part of the front bearing cover and the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123322.6U CN211939071U (en) | 2020-01-19 | 2020-01-19 | Three-phase asynchronous servo control electric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123322.6U CN211939071U (en) | 2020-01-19 | 2020-01-19 | Three-phase asynchronous servo control electric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211939071U true CN211939071U (en) | 2020-11-17 |
Family
ID=73173402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020123322.6U Expired - Fee Related CN211939071U (en) | 2020-01-19 | 2020-01-19 | Three-phase asynchronous servo control electric main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211939071U (en) |
-
2020
- 2020-01-19 CN CN202020123322.6U patent/CN211939071U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202572133U (en) | Spindle of dual-head glass grinding machine | |
| CN103607068B (en) | Top-drive drilling slowspeed machine direct drive mechanism | |
| CN101700577A (en) | Concealed electric main shaft | |
| CN107627112A (en) | A kind of NC rotary table with harmonic speed reducer | |
| CN101841209B (en) | Direct-drive wind driven generator | |
| CN103056769B (en) | A kind of Single-end double-grinding-wheeelectric electric spindle | |
| CN211939071U (en) | Three-phase asynchronous servo control electric main shaft | |
| CN207652169U (en) | A kind of high-power frequency conversion speed-regulating asynchronous motor of strong applicability | |
| CN211127434U (en) | Permanent magnet synchronous motor directly-driven submersible pump | |
| CN105171007A (en) | AC electric spindle unit and driving method thereof | |
| CN102130532A (en) | Driving motor of flotation machine | |
| CN215835257U (en) | Large-scale half directly drives integral type permanent magnetism synchronous deceleration motor | |
| CN114227533A (en) | Motor for grinding machine | |
| CN211239614U (en) | Hub motor with built-in charging system | |
| CN210405048U (en) | Double-rotor generator | |
| CN220156345U (en) | Adjusting variable-frequency three-phase alternating current motor | |
| CN210724429U (en) | Self-cooling motor structure | |
| CN113247530A (en) | Cross-country belt conveyor energy recovery power generation facility | |
| CN216904580U (en) | Direct-drive motor | |
| CN205032743U (en) | Alternating current main shaft unit | |
| CN205407651U (en) | Electrical panel car controlling means | |
| CN213701795U (en) | Big first electric main shaft of gerar grinding | |
| CN213858748U (en) | Grinding head electric spindle structure | |
| CN220311779U (en) | Electric spindle headstock of numerical control machine tool | |
| CN217071966U (en) | Motor for grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |