CN116689800A - Electric spindle of outer rotor vertical lathe - Google Patents
Electric spindle of outer rotor vertical lathe Download PDFInfo
- Publication number
- CN116689800A CN116689800A CN202310682992.XA CN202310682992A CN116689800A CN 116689800 A CN116689800 A CN 116689800A CN 202310682992 A CN202310682992 A CN 202310682992A CN 116689800 A CN116689800 A CN 116689800A
- Authority
- CN
- China
- Prior art keywords
- spindle
- shaft sleeve
- sleeved
- shaft
- stator
- 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 30
- 238000001816 cooling Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000002173 cutting fluid Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance 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
- 239000000498 cooling water Substances 0.000 description 1
- 238000012937 correction Methods 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
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- 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
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
- B23Q11/0883—Protective coverings for parts of machine tools; Splash guards for spindles, e.g. for their bearings or casings
-
- 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)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The application discloses an electric main shaft of an outer rotor vertical lathe, which comprises a shaft core, a shaft sleeve, a stator, a rotor, a fixed flange and a waterproof cover; the shaft sleeve is sleeved on the shaft core, the stator is sleeved on the shaft sleeve, the rotor is sleeved on the stator and covers the stator and the shaft sleeve, the rear end of the rotor is fixedly connected with the shaft core, the fixing flange is sleeved at the front end of the waterproof cover, and the waterproof cover is sleeved at the front end of the shaft core and is fixedly connected with the fixing flange. The electric spindle with the external rotor is adopted, so that the power output of the spindle can be ensured, the torque of the spindle can reach 1500Nm, the structure of equipment can be simplified, and the motor is more compact in connection with the spindle and is convenient to install on a vertical lathe.
Description
Technical Field
The application belongs to the technical field of vertical lathes, and particularly relates to an electric spindle of an outer rotor vertical lathe.
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; and the connection mode is used for pressing the motor.
The damage of the main shaft is easy to cause, 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, the rear motor structure is suitable for the electric spindle in the horizontal vertical lathe, and in the electric spindle of the vertical lathe, a conventional design structure with a rear motor and a built-in rotor is adopted, but the electric spindle torque of the design structure cannot reach the spindle torque driven by an external motor.
Disclosure of Invention
Aiming at the problems in the background technology, the application provides an electric spindle of an outer rotor vertical lathe.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
the application discloses an electric main shaft of an outer rotor vertical lathe, which comprises a shaft core, a shaft sleeve, a stator, a rotor, a fixed flange and a waterproof cover; the shaft sleeve is sleeved on the shaft core, the stator is sleeved on the shaft sleeve, the rotor is sleeved on the stator and covers the stator and the shaft sleeve, the rear end of the rotor is fixedly connected with the shaft core, the fixing flange is sleeved at the front end of the waterproof cover, and the waterproof cover is sleeved at the front end of the shaft core and is fixedly connected with the fixing flange.
Preferably, the encoder magnetic ring is sleeved at the front end part of the shaft core, and the encoder reading head is fixed at the inner side of the waterproof cover and matched with the encoder magnetic ring.
Preferably, a spiral cooling pipeline is arranged between the shaft sleeve and the stator.
Preferably, the rear end of the shaft core is provided with a connecting disc, and a brake pad is arranged on the connecting disc.
Preferably, the front end part of the shaft sleeve is provided with a sealing ring and a sealing cover for water resistance, and the sealing ring and the sealing cover are positioned on the inner side of the shaft sleeve; the sealing ring is arranged at the outer side of the sealing cover, the outer side surface of the sealing ring is tightly contacted with the inner side of the shaft sleeve, the upper end of the sealing cover is tightly contacted with the protruding part of the shaft core, and the sealing cover and the sealing ring are matched to form a labyrinth structure.
Preferably, a roller bearing and a ball bearing are arranged between the shaft sleeve and the shaft core.
The application has the beneficial effects that:
1. the electric spindle with the external rotor is adopted, so that the power output of the spindle can be ensured, the torque of the spindle can reach 1500Nm, the structure of equipment can be simplified, and the motor is more compact in connection with the spindle and is convenient to install on a vertical lathe.
2. The application prevents the motor from being directly exposed above the main shaft, protects the motor through the waterproof cover, prevents impurities such as cutting fluid and the like in the processing process from entering the motor, prolongs the service life of the product, has a simple waterproof structure, and simultaneously facilitates the arrangement of the circuits of the motor.
3. The application is characterized in that the encoder is arranged under the waterproof cover, thereby being more convenient for the inspection and maintenance of the encoder.
4. The motor structure is positioned in the middle of the main shaft, so that the water cooling structure can cool the bearing and the main shaft at the upper end and possibly the bearing and the main shaft at the lower end, and has wide cooling range and good effect.
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;
fig. 4 is an enlarged view of B in fig. 1.
Labeling in the schematic illustration:
1. a shaft core; 2. a shaft sleeve; 3. a stator; 4. a rotor; 5. a fixed flange; 6. a waterproof cover; 7. an encoder magnetic ring; 8. an encoder readhead; 9. a spiral cooling line; 10. a seal ring; 11. sealing cover; 12. a connecting disc; 13. a brake pad; 14. a roller bearing; 15. a ball bearing; 16. and a machine tool fixing seat.
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 and 2, the embodiment discloses an electric spindle of an outer rotor vertical lathe, which comprises a spindle core 1, a shaft sleeve 2, a stator 3, a rotor 4, a fixed flange 5 and a waterproof cover 6; the shaft sleeve 2 is sleeved on the shaft core 1, the stator 3 is sleeved on the shaft sleeve 2, the rotor 4 is sleeved on the stator 3 and covers the stator 3 and the shaft sleeve 2, the rear end of the rotor 4 is fixedly connected with the shaft core 1, the fixing flange 5 is sleeved on the front end of the waterproof cover 6, and the waterproof cover 6 is sleeved on the front end of the shaft core 1 and is fixedly connected with the fixing flange 5. The motor structure of the external rotor is matched with the main shaft, the structure is more compact, the motor is arranged at the middle position of the main shaft, the main shaft is directly driven to rotate through the rotor, the power output of the main shaft can be ensured, in the embodiment, the rated voltage 380V of the electric main shaft is 80A, the rotating speed 800rpm, the torque 710Nm and the rated power 28Kw, and the highest torque can reach 1500Nm and the highest rotating speed 1500rpm. In the vertical lathe, because the main shaft is vertically placed, in the processing process, chip liquid can flow to the main shaft directly from the top, and in the embodiment, through the waterproof cover 6 arranged at the top of the main shaft, the direct exposure of a motor structure is avoided, the motor structure is further protected, and the practical service life of the motor is prolonged.
In this embodiment, as shown in fig. 3, the motor structure is already disposed at the middle position of the spindle, the tail of the spindle rotates at a high speed during operation, and the mounting position of the encoder reading head 8 is lacking, so that the encoder magnetic ring 7 is sleeved at the front end of the spindle 1 and rotates synchronously with the spindle, and the encoder reading head 8 can be fixed inside the waterproof cover 6 and cooperates with the encoder magnetic ring 7 to read, which is equivalent to the front arrangement of the encoder magnetic ring 7 and the encoder reading head 8.
In the present application, as shown in fig. 1, a spiral cooling pipeline 9 is disposed between the shaft sleeve 2 and the stator 3, and the water inlet and outlet of the spiral cooling pipeline 9 is located at one side of the rotor 4, so that the coil and the main shaft on the stator 3 can be cooled simultaneously.
As shown in fig. 4, the front end part of the shaft sleeve 2 is provided with a sealing ring 10 and a sealing cover 11 for water resistance, and the sealing ring 10 and the sealing cover 11 are positioned on the inner side of the shaft sleeve 2; the sealing ring 10 locate the sealed lid 11 outside, the lateral surface and the inside in close contact of axle sleeve 2 of sealing ring 10, the upper end and the bulge in axle core 1 of sealed lid 11 in close contact, sealed lid 11 and sealing ring 10 cooperation form labyrinth structure, sealed lid 11 and sealing ring 10 are mainly sealed the main shaft inside, as the motorized spindle of merry go round machine, there is a large amount of cutting fluid to motorized spindle top in the merry go round machine working process, consequently sealed lid 11 and sealing ring 10 are located the protection position of buckler 6, can further improve sealed grade, protect main shaft inner structure, improve the life of main shaft itself.
In the present application, as shown in fig. 1, a connecting disc 12 is provided at the rear end of the shaft core 1, a brake pad 13 is mounted on the connecting disc 12, a roller bearing 14 and a ball bearing 15 are provided between the shaft sleeve 2 and the shaft core 1, wherein two roller bearings 14 are provided and are respectively located at the front part of the shaft sleeve 2 and the rear part of the shaft sleeve 2, and the ball bearing 15 is located at the rear side of the front roller bearing 14.
When the electric spindle is mounted on the vertical lathe, the electric spindle is only required to be placed in a round hole in the center of the machine tool fixing seat 16, the fixing flange 5 is just erected on the machine tool fixing seat 16, and the fixing flange 5 is fixedly connected with the machine tool fixing seat 16 through bolts.
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 (6)
1. The electric spindle of the outer rotor vertical lathe is characterized by comprising a spindle core, a shaft sleeve, a stator, a rotor, a fixed flange and a waterproof cover; the shaft sleeve is sleeved on the shaft core, the stator is sleeved on the shaft sleeve, the rotor is sleeved on the stator and covers the stator and the shaft sleeve, the rear end of the rotor is fixedly connected with the shaft core, the fixing flange is sleeved at the front end of the waterproof cover, and the waterproof cover is sleeved at the front end of the shaft core and is fixedly connected with the fixing flange.
2. The electric spindle of the outer rotor vertical lathe according to claim 1, wherein the encoder magnetic ring is sleeved at the front end part of the spindle core, and the encoder reading head is fixed at the inner side of the waterproof cover and matched with the encoder magnetic ring.
3. The electric spindle of outer rotor vertical lathe according to claim 1, wherein a spiral cooling pipeline is arranged between the shaft sleeve and the stator.
4. The electric spindle of the outer rotor vertical lathe according to claim 1, wherein a connecting disc is arranged at the rear end of the spindle core, and a brake pad is arranged on the connecting disc.
5. The electric spindle of the outer rotor vertical lathe according to claim 1, wherein the front end part of the shaft sleeve is provided with a sealing ring and a sealing cover for water resistance, and the sealing ring and the sealing cover are positioned on the inner side of the shaft sleeve; the sealing ring is arranged at the outer side of the sealing cover, the outer side surface of the sealing ring is tightly contacted with the inner side of the shaft sleeve, the upper end of the sealing cover is tightly contacted with the protruding part of the shaft core, and the sealing cover and the sealing ring are matched to form a labyrinth structure.
6. The outer rotor vertical lathe motorized spindle according to claim 1, wherein a roller bearing and a ball bearing are arranged between the shaft sleeve and the shaft core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310682992.XA CN116689800A (en) | 2023-06-09 | 2023-06-09 | Electric spindle of outer rotor vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310682992.XA CN116689800A (en) | 2023-06-09 | 2023-06-09 | Electric spindle of outer rotor vertical lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116689800A true CN116689800A (en) | 2023-09-05 |
Family
ID=87836932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310682992.XA Pending CN116689800A (en) | 2023-06-09 | 2023-06-09 | Electric spindle of outer rotor vertical lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116689800A (en) |
-
2023
- 2023-06-09 CN CN202310682992.XA patent/CN116689800A/en active Pending
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