Vertical self-cooling direct-driven rotary workbench
Through the design of a vertical self-cooling direct-drive rotary worktable, the contact area between the flange and the rotating shaft is increased and heat dissipation grooves are set on the surface of the shell, which solves the problems of insufficient rigidity and poor heat dissipation of the turntable, achieves higher processing accuracy and extends the life of the motor.
Patent Information
- Application Number
- CN202422688875.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing direct-drive rotary table has a small matching area between the flange end face and the rotating shaft, resulting in insufficient rigidity of the turntable and poor heat dissipation, which shortens the service life of the motor.
The self-cooling direct-drive rotary table with a vertical structure increases the contact area between the flange and the rotating shaft, sets heat dissipation grooves on the shell surface, and combines the annular motor rotor and bearing design to improve the rigidity and heat dissipation effect of the turntable.
The rigidity and heat dissipation performance of the turntable are enhanced, and the processing accuracy and the service life of the motor are improved.
Smart Images
Figure CN223338883U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machine tool equipment, in particular to a vertical self-cooling direct-drive rotary workbench. Background Art
[0002] The existing direct-drive rotary worktable generally connects the flange to the rotating shaft, and a bearing is provided between the rotating shaft and the housing. A common problem is that the matching area between the end face of the flange and the rotating shaft is small, which leads to insufficient rigidity of the turntable. In order to obtain the same torque, the radial dimension of the turntable must be significantly increased, while the axial dimension is relatively small. The existing turntable generally relies on the surface of the housing to dissipate heat. For turntables with larger radial dimensions, the heat dissipation effect is not good, which will greatly shorten the service life of the motor. Based on the above technical problems, the utility model proposes a vertical self-cooling direct-drive rotary worktable, which can effectively improve the rigidity of the turntable and enhance the heat dissipation effect. Summary of the Invention
[0003] In response to the above technical problems, the technical solution adopted by the utility model is: a vertical self-cooling direct-drive rotary workbench, comprising a shell, a motor is arranged inside the shell, the motor comprises a motor stator and a motor rotor, the motor stator is fixedly installed inside the shell, the motor rotor is arranged inside the motor stator, the motor rotor and the motor stator rotate relative to each other, a rotating shaft is also rotatably installed inside the shell, the rotating shaft is vertically placed in the height direction of the shell, and the motor rotor is connected to the rotating shaft for driving the rotating shaft to rotate inside the shell.
[0004] Furthermore, the rotating shaft and the motor rotor are connected via a rotor adapter ring. The rotor adapter ring is arranged between the motor rotor and the rotating shaft. The motor rotor and the rotor adapter ring are fixedly connected, and the rotating shaft and the rotor adapter ring are fixedly connected.
[0005] Furthermore, a flange is provided at the upper end of the rotating shaft, the flange is fixedly connected to the rotating shaft, a table is provided on the flange, the table is fixedly mounted on the flange, and the table is used to place a workpiece.
[0006] Furthermore, a bearing is provided between the rotating shaft and the housing, and the bearing includes a fixed part and a rotating part. The fixed part is provided inside the housing, and the rotating part is provided on the rotating shaft. The fixed part and the rotating part rotate relative to each other to realize the rotational positioning of the rotating shaft.
[0007] Furthermore, the fixed part and the rotating part are both annular, and the fixed part is fixedly mounted on the housing by screws distributed circumferentially thereon. The rotating part is arranged between the bearing pressure plate and the flange. The bearing pressure plate is annular, and a plurality of screws are distributed circumferentially thereon. The screws on the bearing pressure plate pass through the rotating part of the bearing and are threadedly connected to the flange. The bearing pressure plate is used to fix the rotating part of the bearing under the flange.
[0008] Furthermore, a plurality of heat dissipation slots are provided on the outside of the shell.
[0009] Furthermore, a plurality of countersunk holes are distributed circumferentially on the upper surface of the shell for installing and fixing the shell.
[0010] Compared with the prior art, the present invention has the following beneficial effects: (1) the present invention adopts the flange end face and the rotating shaft to increase the contact area and improve the rigidity of the turntable, thereby ensuring the processing accuracy of the turntable; (2) the rotor of the motor adopted by the present invention is an annular structure with a small radial size and a large axial size, and a plurality of heat dissipation grooves are distributed along the axial direction on the shell surface, which improves the heat dissipation and can effectively increase the service life of the turntable. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0012] Figure 2 In accordance with Figure 1 Schematic diagram of the structure after cutting in the direction of the cutting symbol.
[0013] Figure numbers: 1-housing; 2-heat sink; 3-motor stator; 4-motor rotor; 5-rotor adapter ring; 6-bearing pressure plate; 7-bearing; 8-flange; 9-rotating shaft; 10-table. DETAILED DESCRIPTION
[0014] The specific implementation of the present utility model will be further described below with reference to the accompanying drawings.
[0015] Example: Figure 1 、 Figure 2As shown, a vertical self-cooling direct-drive rotary workbench includes a shell 1, a heat dissipation groove 2, a motor stator 3, a motor rotor 4, a rotor adapter ring 5, a bearing pressure plate 6, a bearing 7, a flange 8, a rotating shaft 9, and a table 10. A motor is arranged inside the shell 1, and the motor includes a motor stator 3 and a motor rotor 4. The motor stator 3 is fixedly installed inside the shell 1, and the motor rotor 4 is arranged inside the motor stator 3. The motor rotor 4 and the motor stator 3 rotate relative to each other. A rotating shaft 9 is also rotatably installed inside the shell 1. The rotating shaft 9 is placed vertically in the height direction of the shell 1, and the motor rotor 4 is arranged in a ring shape. The motor rotor 4 is connected to the rotating shaft 9 for driving the rotating shaft 9 to rotate inside the shell 1. A number of heat dissipation grooves 2 are arranged on the outside of the shell 1, and a plurality of countersunk holes are distributed circumferentially on the upper surface of the shell 1 for achieving the installation and fixation of the shell 1.
[0016] The rotating shaft 9 is connected to the motor rotor 4 through the rotor adapter ring 5. The rotor adapter ring 5 is arranged between the motor rotor 4 and the rotating shaft 9. The motor rotor 4 and the rotor adapter ring 5 are fixedly connected, and the rotating shaft 9 and the rotor adapter ring 5 are fixedly connected. In this embodiment, the motor rotor 4 and the rotor adapter ring 5 are fixedly connected by screws, and the rotating shaft 9 and the rotor adapter ring 5 are fixedly connected by screws.
[0017] A flange 8 is provided at the upper end of the rotating shaft 9, which is fixedly connected to the rotating shaft 9. A table 10 is provided on the flange 8, which is fixedly mounted on the flange 8. The table 10 is used to place workpieces. In this embodiment, the flange 8 and the rotating shaft 9 are fixedly connected by screws, and the flange 8 and the table 10 are fixedly connected by screws.
[0018] A bearing 7 is arranged between the rotating shaft 9 and the housing 1. The bearing 7 includes a fixed part and a rotating part. The fixed part is arranged inside the housing 1, and the rotating part is arranged on the rotating shaft 9. The fixed part and the rotating part rotate relative to each other to realize the rotation positioning of the rotating shaft 9. The fixed part and the rotating part are both annular. The fixed part is fixedly mounted on the housing 1 by screws distributed circumferentially thereon. The rotating part is arranged between the bearing pressure plate 6 and the flange 8. The bearing pressure plate 6 is annular, and multiple screws are distributed circumferentially on the bearing pressure plate 6. The screws on the bearing pressure plate 6 pass through the rotating part of the bearing 7 and are threadedly connected to the flange 8. The bearing pressure plate 6 is used to fix the rotating part of the bearing 7 below the flange 8.
Claims
1. A vertical self-cooling direct-drive rotary table, characterized by: The invention comprises a housing (1), wherein a motor is arranged inside the housing (1), wherein the motor comprises a motor stator (3) and a motor rotor (4), wherein the motor stator (3) is fixedly mounted inside the housing (1), and the motor rotor (4) is arranged inside the motor stator (3), wherein the motor rotor (4) and the motor stator (3) rotate relative to each other, and wherein a rotating shaft (9) is rotatably mounted inside the housing (1), wherein the rotating shaft (9) is vertically placed in the height direction of the housing (1), and wherein the motor rotor (4) is connected to the rotating shaft (9) and is used to drive the rotating shaft (9) to rotate inside the housing (1).
2. The vertical self-cooling direct-drive rotary table according to claim 1, characterized in that: The rotating shaft (9) and the motor rotor (4) are connected via a rotor adapter ring (5). The rotor adapter ring (5) is arranged between the motor rotor (4) and the rotating shaft (9). The motor rotor (4) and the rotor adapter ring (5) are fixedly connected. The rotating shaft (9) and the rotor adapter ring (5) are also fixedly connected.
3. The vertical self-cooling direct-drive rotary table according to claim 2, characterized in that: The upper end of the rotating shaft (9) is provided with a flange (8), the flange (8) is fixedly connected to the rotating shaft (9), and a table (10) is provided on the flange (8), the table (10) is fixedly installed on the flange (8), and the table (10) is used to place a workpiece.
4. The vertical self-cooling direct-drive rotary workbench according to claim 2, characterized in that: A bearing (7) is provided between the rotating shaft (9) and the housing (1). The bearing (7) comprises a fixed portion and a rotating portion. The fixed portion is provided inside the housing (1), and the rotating portion is provided on the rotating shaft (9). The fixed portion and the rotating portion rotate relative to each other to achieve rotational positioning of the rotating shaft (9).
5. The vertical self-cooling direct-drive rotary workbench according to claim 4, characterized in that: The fixed part and the rotating part are both annular, and the fixed part is fixedly mounted on the housing (1) by screws distributed circumferentially thereon. The rotating part is arranged between the bearing pressure plate (6) and the flange (8). The bearing pressure plate (6) is annular, and a plurality of screws are distributed circumferentially thereon. The screws on the bearing pressure plate (6) pass through the rotating part of the bearing (7) and are threadedly connected to the flange (8). The bearing pressure plate (6) is used to fix the rotating part of the bearing (7) below the flange (8).
6. The vertical self-cooling direct-drive rotary table according to claim 1, characterized in that: A plurality of heat dissipation slots (2) are provided on the outside of the housing (1).
7. The vertical self-cooling direct-drive rotary table according to claim 1, characterized in that: A plurality of countersunk holes are distributed circumferentially on the upper surface of the shell (1) for achieving installation and fixation of the shell (1).