CN213858742U - Torque motor direct-driving device for static pressure workbench of vertical grinding machine - Google Patents
Torque motor direct-driving device for static pressure workbench of vertical grinding machine Download PDFInfo
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- CN213858742U CN213858742U CN202022920918.1U CN202022920918U CN213858742U CN 213858742 U CN213858742 U CN 213858742U CN 202022920918 U CN202022920918 U CN 202022920918U CN 213858742 U CN213858742 U CN 213858742U
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Abstract
The utility model relates to a torque motor direct drive device of a static pressure workbench of a vertical grinding machine, which comprises a rotary workbench, a fixed base, a cooling water jacket, a torque motor stator, a torque motor rotor, a tensioning sleeve, a rotary main shaft, a connecting sleeve, an angle encoder rotor and an angle encoder stator; the rotary main shaft is fixedly arranged on the inner end surface of the rotary worktable, and the torque motor rotor is fixedly connected with the rotary main shaft through the tensioning sleeve; a cooling water jacket is fixedly arranged on the torque motor stator, and the upper end of the cooling water jacket is fixed on the fixed base through an end cover; a connecting plate is fixedly arranged at the lower end of the cooling water jacket, and a connecting sleeve is fixedly arranged in the middle of the connecting plate; the lower end of the rotary main shaft is provided with a connecting shaft, the rotor of the angle encoder is fixed at the lower end of the connecting shaft, and the stator of the angle encoder is fixedly connected with the connecting sleeve. The utility model discloses simple structure, compactness, manufacturing adjustment convenience, transmission moment of torsion are big, the gyration precision is high, easy maintenance.
Description
Technical Field
The utility model relates to a vertical grinder static pressure workstation torque motor directly drives device belongs to vertical grinder equipment technical field.
Background
The vertical grinding machine is characterized in that a part to be machined is horizontally fixed on a central circle of a rotary working table and rotates with the working table at high precision, a grinding wheel shaft performs transverse feeding and up-and-down reciprocating, and the outer circle, the inner hole and the upper end face of the part to be machined can be ground at high precision by clamping once. The rotation of the static pressure workbench is generally driven by a belt wheel driving belt arranged on a speed reducing motor to drive the workbench to rotate.
The disadvantages of this structure are: the transmission torque of belt drive is small in a low-speed state, a plurality of belts are often needed, and the belt is easy to slip; the driving inertia of the speed reducing motor is large, and the workbench cannot be quickly started and stopped. When the belt conveyor is used on a large vertical grinding machine, the conveying belt is often long, and the installation and the maintenance are inconvenient.
Disclosure of Invention
An object of the utility model is to overcome the not enough of existence among the prior art, provide a vertical grinder static pressure workstation torque motor directly drives device, its simple structure, compactness, manufacturing adjustment are convenient, the transmission moment of torsion is big, the gyration precision is high, easy maintenance.
According to the utility model provides a technical scheme: a torque motor direct-drive device for a static pressure workbench of a vertical grinding machine comprises a rotary workbench, a fixed base, a cooling water jacket, a torque motor stator, a torque motor rotor, a tensioning sleeve, a rotary main shaft, a connecting sleeve, an angle encoder rotor and an angle encoder stator;
the rotary main shaft is fixedly arranged on the inner end surface of the rotary worktable, and the torque motor rotor is fixedly connected with the rotary main shaft through the tensioning sleeve; a cooling water jacket is fixedly arranged on the torque motor stator, and the upper end of the cooling water jacket is fixed on the fixed base through an end cover; a connecting plate is fixedly arranged at the lower end of the cooling water jacket, and a connecting sleeve is fixedly arranged in the middle of the connecting plate;
the lower end of the rotary main shaft is provided with a connecting shaft, the rotor of the angle encoder is fixed at the lower end of the connecting shaft, and the stator of the angle encoder is fixedly connected with the connecting sleeve.
Furthermore, a sealing cover plate is installed at the upper end of the rotary worktable.
Furthermore, the lower extreme installation of adapter sleeve is used for protecting angle encoder rotor and angle encoder stator's protection casing.
Further, the angle encoder rotor is tightly connected to the connecting shaft through a nut.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses simple structure, compactness, manufacturing adjustment convenience, transmission moment of torsion are big, the gyration precision is high, easy maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1-rotary worktable, 2-fixed base, 3-cooling water jacket, 4-torque motor stator, 5-torque motor rotor, 6-tensioning sleeve, 7-rotary main shaft, 8-connecting shaft, 9-connecting sleeve, 10-angle encoder rotor, 11-angle encoder stator, 12-protective cover, 13-connecting plate, 14-end cover and 15-sealing cover plate.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a torque motor direct drive device for a static pressure workbench of a vertical grinding machine comprises a rotary workbench 1, a fixed base 2, a cooling water jacket 3, a torque motor stator 4, a torque motor rotor 5, a tensioning sleeve 6, a rotary main shaft 7, a connecting shaft 8, a connecting sleeve 9, an angle encoder rotor 10 and an angle encoder stator 11;
the rotary main shaft 7 is fixedly arranged on the inner end face of the rotary worktable 1 through screws, and the torque motor rotor 5 is fixedly connected with the rotary main shaft 7 through a tensioning sleeve 6; the torque motor stator 4 is fixedly provided with a cooling water jacket 3, and the upper end of the cooling water jacket 3 is fixed on the fixed base 2 through an end cover 14; a connecting plate 13 is fixedly arranged at the lower end of the cooling water jacket 3, and a connecting sleeve 9 is fixedly arranged in the middle of the connecting plate 13;
aiming at the requirements of a driving static pressure working table of a vertical grinding machine, a torque motor rotor 5 is fixed with a rotary main shaft 7 through a tensioning sleeve 9, the rotary main shaft 7 is fixed with the rotary working table 1 through a screw and performs high-precision rotary motion together with the rotary main shaft, and an angle encoder is arranged at the lower end of the rotary main shaft 7 to control the rotary speed and the precise positioning in a closed loop mode. Thereby achieving the reliable and stable rotation control requirement.
The lower end of the rotary main shaft 7 is provided with a connecting shaft 8, an angle encoder rotor 10 is fixed at the lower end of the connecting shaft 8, and an angle encoder stator 11 is fixedly connected with a connecting sleeve 9.
And a sealing cover plate 15 is arranged at the upper end of the rotary working table 1 to prevent water and sundries from entering the rotary working table.
The lower end of the connecting sleeve 9 is provided with a protective cover 12 for protecting the angle encoder rotor 10 and the angle encoder stator 11.
The angle encoder rotor 10 is screwed onto the connecting shaft 8.
The working principle is as follows: when the coil of the torque motor stator 4 is electrified, electromagnetism is generated to generate torsion force to push the torque motor rotor 5 and the rotary worktable 1 to rotate together, and the control of the rotary motion speed and the position precision is controlled by the angle encoder at the lower end, so that the reliable and stable requirements of rotation and position control are met.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (4)
1. A torque motor direct-drive device for a static pressure workbench of a vertical grinding machine is characterized by comprising a rotary workbench (1), a fixed base (2), a cooling water jacket (3), a torque motor stator (4), a torque motor rotor (5), a tensioning sleeve (6), a rotary main shaft (7), a connecting shaft (8), a connecting sleeve (9), an angle encoder rotor (10) and an angle encoder stator (11);
the rotary main shaft (7) is fixedly arranged on the inner end face of the rotary worktable (1), and the torque motor rotor (5) is fixedly connected with the rotary main shaft (7) through the tensioning sleeve (6); the torque motor stator (4) is fixedly provided with a cooling water jacket (3), and the upper end of the cooling water jacket (3) is fixed on the fixed base (2) through an end cover (14); a connecting plate (13) is fixedly arranged at the lower end of the cooling water jacket (3), and a connecting sleeve (9) is fixedly arranged in the middle of the connecting plate (13);
the lower end of the rotary main shaft (7) is provided with a connecting shaft (8), an angle encoder rotor (10) is fixed at the lower end of the connecting shaft (8), and an angle encoder stator (11) is fixedly connected with a connecting sleeve (9).
2. The torque motor direct drive device for the static pressure workbench of the vertical grinding machine as claimed in claim 1, wherein the upper end of the rotary workbench (1) is provided with a sealing cover plate (15).
3. The torque motor direct drive device for the static pressure workbench of the vertical grinding machine as claimed in claim 1, characterized in that the lower end of the connecting sleeve (9) is provided with a protective cover (12) for protecting the angle encoder rotor (10) and the angle encoder stator (11).
4. The torque motor direct drive device for the static pressure workbench of the vertical grinding machine as claimed in claim 1, characterized in that the angle encoder rotor (10) is fastened on the connecting shaft (8) through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022920918.1U CN213858742U (en) | 2020-12-08 | 2020-12-08 | Torque motor direct-driving device for static pressure workbench of vertical grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022920918.1U CN213858742U (en) | 2020-12-08 | 2020-12-08 | Torque motor direct-driving device for static pressure workbench of vertical grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213858742U true CN213858742U (en) | 2021-08-03 |
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ID=77067326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022920918.1U Active CN213858742U (en) | 2020-12-08 | 2020-12-08 | Torque motor direct-driving device for static pressure workbench of vertical grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213858742U (en) |
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2020
- 2020-12-08 CN CN202022920918.1U patent/CN213858742U/en active Active
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