CN116604049A - Electric spindle of front-mounted outer rotor motor vertical lathe - Google Patents
Electric spindle of front-mounted outer rotor motor vertical lathe Download PDFInfo
- Publication number
- CN116604049A CN116604049A CN202310682993.4A CN202310682993A CN116604049A CN 116604049 A CN116604049 A CN 116604049A CN 202310682993 A CN202310682993 A CN 202310682993A CN 116604049 A CN116604049 A CN 116604049A
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- China
- Prior art keywords
- spindle
- stator
- rotor
- shaft sleeve
- core
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 25
- 239000000498 cooling water Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The application discloses a vertical lathe electric spindle of a front-mounted outer rotor motor, which comprises a spindle core, a shaft sleeve, a stator, a rotor and a connecting flange, wherein the stator and the rotor are arranged at the front end part of the spindle core, the shaft sleeve is sleeved on the spindle core, the stator is sleeved on the shaft sleeve, the rotor is sleeved on the stator, and the front end of the rotor is connected with the front end of the spindle core through the connecting flange. Compared with a rear motor, the front-mounted outer rotor motor of the vertical lathe electric spindle adopts a design structure of the front-mounted motor, so that torque loss in the length direction of the electric spindle is reduced, the torque is increased, the whole length of the electric spindle shaft core is shortened, and the production cost of the electric spindle is reduced.
Description
Technical Field
The application belongs to the technical field of vertical lathes, and particularly relates to a vertical lathe motorized spindle with a front outer rotor motor.
Background
The vertical lathe is different from the common lathe in that the main shaft is vertical, which is equivalent to erecting the common lathe, and the workbench is in a horizontal position, so that the vertical lathe is suitable for processing heavy parts with large diameter and short length, and can process inner and outer cylinders, conical surfaces, end planes, grooves, chamfers and the like, and the clamping, correction and other operations of workpieces are relatively convenient.
In the prior art, one is a spindle driving mode of a vertical lathe, wherein the bottom end of the spindle is connected with the end part of the output end of a driving motor, and the other is in a motor-belt wheel transmission mode to drive the spindle to rotate; the driving modes of the vertical lathe spindle and the motor are stable and reliable, but the vertical lathe spindle and the motor are heavy in weight and large in volume; moreover, the connection mode has larger pressure on the motor, so that the main shaft is easy to damage, and when the connection between the motor and the main shaft is damaged due to long-time use, the maintenance is difficult and troublesome, and the use of the vertical lathe is affected.
Chinese patent CN202023207346.9 discloses a vertical electric spindle of HSK-a100, comprising a spindle located inside the spindle, a pull rod is provided inside the spindle, and the pull rod is fixed inside the spindle by a disc spring; the front end of the pull rod is provided with a pull claw for fixing the HSK knife handle; the outside of the mandrel is rotationally connected with the outer cylinder through a ceramic ball bearing and a rear bearing; the middle part of the mandrel is sleeved with a motor rotor, the outer part of the motor rotor is provided with a motor stator, and the outer part of the motor stator is provided with a cooling water tank; the tail of the mandrel is provided with a rear seat, one side of the rear seat is connected with a cylinder body, a piston is arranged in the cylinder body, one side of the cylinder body is also provided with a cylinder body end cover, and the cylinder body end cover is provided with a broach interface, a cutter loosening interface and a shaft center blowing interface. Therefore, in the field of electric spindles, a conventional design structure with a rear motor and a built-in rotor is mostly adopted, but the electric spindle torque of the design structure cannot reach the spindle torque driven by an external motor, and the problem can be solved if the motor is arranged at the front end of the electric spindle.
Disclosure of Invention
Aiming at the problems in the background technology, the application provides a vertical lathe electric spindle of a high-torque and high-rotation-speed front-mounted outer rotor motor.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
the application discloses a vertical lathe electric spindle of a front-mounted outer rotor motor, which comprises a spindle core, a shaft sleeve, a stator, a rotor and a connecting flange, wherein the stator and the rotor are arranged at the front end part of the spindle core, the shaft sleeve is sleeved on the spindle core, the stator is sleeved on the shaft sleeve, the rotor is sleeved on the stator, and the front end of the rotor is connected with the front end of the spindle core through the connecting flange.
Preferably, an annular cooling water tank is arranged between the shaft sleeve and the stator, and a water inlet and a water outlet of the cooling water tank are positioned at the front end of the rotor.
Preferably, the middle part of the shaft sleeve is provided with a connecting plate which protrudes outwards and is used for connecting a machine tool fixing seat.
Preferably, the stator and the rotor are positioned above the connecting plate, and the stator is fixed with the connecting plate.
Preferably, the lower end of the shaft core is connected with a connecting disc, and the lower end of the connecting disc is connected with a brake pad.
Preferably, an encoder magnetic ring is arranged outside the connecting disc, and an encoder reading head is arranged on one side of the encoder magnetic ring.
Preferably, the front end part of the shaft core is provided with a sealing ring and a sealing cover for water resistance, and the sealing ring and the sealing cover are positioned above the shaft sleeve and at the inner side of the stator; the sealing cover is sleeved on the outer side of the sealing ring, and the sealing cover and the sealing ring are matched to form a labyrinth structure.
Preferably, the front end part of the shaft core is provided with a roller bearing and a ball bearing, the rear end part of the shaft core is provided with a roller bearing, and the shaft sleeve is sleeved outside the roller bearing and the ball bearing.
The application has the beneficial effects that:
1. compared with a rear motor, the front-mounted outer rotor motor of the vertical lathe electric spindle adopts a design structure of the front-mounted motor, so that torque loss in the length direction of the electric spindle is reduced, the torque is increased, the whole length of the electric spindle shaft core is shortened, and the production cost of the electric spindle is reduced.
2. The electric spindle of the vertical lathe with the preposed outer rotor motor adopts an external rotor structure, namely a stator is arranged inside and a rotor is arranged outside, the structure does not need to wrap the motor inside through the spindle, the whole size of the spindle is reduced, the machining precision and difficulty of the spindle are reduced, and the machining cost is further reduced.
3. In the vertical lathe electric main shaft with the preposed outer rotor motor, the stator is sleeved outside the shaft sleeve, so that the cooling water tank is arranged outside the shaft sleeve, and the coils on the shaft core and the stator can be cooled at the same time, and the cooling water tank does not need to be additionally arranged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is an axial side half cross-sectional view of the present application;
FIG. 3 is an enlarged view of A in FIG. 1;
labeling in the schematic illustration:
1. a shaft core; 2. a shaft sleeve; 3. a stator; 4. a rotor; 5. a connecting flange; 6. a cooling water tank; 7. a connecting plate; 8. a connecting disc; 9. a machine tool fixing seat; 10. a brake pad; 11. an encoder magnetic ring; 12. an encoder readhead; 13. a seal ring; 14. sealing cover; 15. a roller bearing; 16. a ball bearing; 17. a ball bearing;
Detailed Description
The application will be further understood by reference to the following examples which are given to illustrate the application but are not intended to limit the scope of the application.
As shown in fig. 1 to 3, the embodiment discloses a vertical lathe electric spindle of a front-mounted outer rotor motor, which comprises a spindle core 1, a shaft sleeve 2, a stator 3, a rotor 4 and a connecting flange 5, wherein the stator 3 and the rotor 4 are arranged at the front end part of the spindle core 1, the shaft sleeve 2 is sleeved on the spindle core 1, the stator 3 is sleeved on the shaft sleeve 2, the rotor 4 is sleeved on the stator 3, the front end of the rotor 4 is connected with the front end of the spindle core 1 through the connecting flange 5 so as to drive the spindle core 1 to synchronously rotate. Meanwhile, as the motor is not required to be wrapped by the main shaft, the size of the main shaft is reduced, and the cost is reduced.
In the embodiment of the application, the spiral cooling water tank 6 is arranged between the shaft sleeve 2 and the stator 3, and the water inlet and the water outlet of the spiral cooling water tank 6 are positioned at the front end of the rotor 4, and the stator 3 is sleeved outside the shaft sleeve 2, so that the spiral cooling water tank 6 is arranged outside the shaft sleeve 2, the coils on the main shaft and the stator 3 can be cooled at the same time, the spiral cooling water tank 6 is not required to be additionally arranged, and the structural design of the product is reduced. Meanwhile, the spiral design structure is adopted, so that the cooling effect of the main shaft can be improved, and the practical service life of the main shaft is further prolonged.
In addition, in this embodiment, the middle part of the shaft sleeve 2 is provided with a connecting plate 7 protruding outwards for connecting with a machine tool fixing seat 9, the stator 3 and the rotor 4 are located above the connecting plate 7, and the stator 3 is fixed with the connecting plate 7, so that the function of supporting the stator 3 is also achieved. When the electric spindle is installed in a vertical lathe, the electric spindle is only required to be placed in the through hole in the center of the machine tool fixing seat 9 on the vertical lathe, the connecting plate 7 can be erected at the top of the machine tool fixing seat 9, and then the connecting plate 7 and the machine tool fixing seat 9 on the vertical lathe are fixed together through bolts, so that the installation is quick and convenient.
The lower extreme of axle core 1 is connected with connection pad 8, the lower extreme of connection pad 8 be connected with brake block 10, connection pad 8 outside be equipped with encoder magnetic ring 11, encoder magnetic ring 11 one side is equipped with encoder read head 12.
In the embodiment of the application, the front end part of the shaft core 1 is provided with a sealing ring 13 and a sealing cover 14 for water resistance, and the sealing ring 13 and the sealing cover 14 are positioned above the shaft sleeve 2 and inside the stator 3; the sealing cover 14 is sleeved on the outer side of the sealing ring 13, and the sealing cover 14 and the sealing ring 13 are matched to form a labyrinth structure. The front end part of the shaft core 1 is provided with a roller bearing 15 and a ball bearing 16, the rear end part of the shaft core 1 is provided with a roller bearing 17, and the shaft sleeve 2 is sleeved outside the roller bearings 15 and 17 and the ball bearing 16. Because the electric spindle is used as the vertical lathe, a large amount of cutting fluid can flow to the top of the electric spindle, and the waterproof structure can well protect the internal structure of the spindle.
Although the specific embodiments of the present application have been described in detail, the present application is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present application without departing from the spirit of the present application, which is within the scope of the present application.
Claims (8)
1. The vertical lathe electric spindle is characterized by comprising a spindle core, a shaft sleeve, a stator, a rotor and a connecting flange, wherein the stator and the rotor are arranged at the front end part of the spindle core, the shaft sleeve is sleeved on the spindle core, the stator is sleeved on the shaft sleeve, the rotor is sleeved on the stator, and the front end of the rotor is connected with the front end of the spindle core through the connecting flange.
2. The electric spindle of the pre-rotor motor as claimed in claim 1, wherein an annular cooling water tank is arranged between the shaft sleeve and the stator, and a water inlet and a water outlet of the cooling water tank are positioned at the front end of the rotor.
3. The electric spindle of the pre-rotor motor as claimed in claim 1, wherein the middle part of the shaft sleeve is provided with a connecting plate protruding outwards for connecting with a machine tool fixing seat.
4. A pre-rotor motor vertical lathe motorized spindle as claimed in claim 3, wherein the stator and rotor are located above the connection plate, and the stator is fixed to the connection plate.
5. The vertical lathe motorized spindle of the pre-outer rotor motor according to claim 1, wherein the lower end of the shaft core is connected with a connecting disc, and the lower end of the connecting disc is connected with a brake pad.
6. The electric spindle of the pre-rotor motor as claimed in claim 5, wherein the outer part of the connecting disc is provided with an encoder magnetic ring, and one side of the encoder magnetic ring is provided with an encoder reading head.
7. The electric spindle of the pre-positioned outer rotor motor according to claim 1, wherein the front end part of the spindle is provided with a sealing ring and a sealing cover for water resistance, and the sealing ring and the sealing cover are positioned above the shaft sleeve and at the inner side of the stator; the sealing cover is sleeved on the outer side of the sealing ring, and the sealing cover and the sealing ring are matched to form a labyrinth structure.
8. The electric spindle of the pre-positioned outer rotor motor as claimed in claim 1, wherein the front end of the spindle is provided with a roller bearing and a ball bearing, the rear end of the spindle is provided with a roller bearing, and the shaft sleeve is sleeved outside the roller bearing and the ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310682993.4A CN116604049A (en) | 2023-06-09 | 2023-06-09 | Electric spindle of front-mounted outer rotor motor vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310682993.4A CN116604049A (en) | 2023-06-09 | 2023-06-09 | Electric spindle of front-mounted outer rotor motor vertical lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116604049A true CN116604049A (en) | 2023-08-18 |
Family
ID=87674612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310682993.4A Pending CN116604049A (en) | 2023-06-09 | 2023-06-09 | Electric spindle of front-mounted outer rotor motor vertical lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116604049A (en) |
-
2023
- 2023-06-09 CN CN202310682993.4A patent/CN116604049A/en active Pending
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