Automatic deburring device after turning the rotor commutator of a series-wound motor

Abstract

This utility model relates to the field of commutator processing and manufacturing technology, and in particular to an automatic deburring device for a series-wound motor rotor commutator after turning. It includes a belt drive assembly that drives the rotor commutator to rotate on a frame, and a grinding assembly for deburring. The grinding assembly includes a grinding head that automatically approaches and adaptively conforms to the rotor commutator surface. The belt drive assembly includes a transmission belt that is fitted onto the driving and driven pulleys, pressing and driving the rotor commutator to rotate. This utility model, by setting up the grinding assembly and the belt drive assembly on a movable bracket, achieves adaptive conformation between the grinding head and the rotor surface, and the transmission belt presses against the rotor surface. Combined with a photoelectric signal assembly, when the rotor commutator is detected to be in position, the device automatically starts and grinds it, eliminating the need for manual labor, improving production efficiency, ensuring product quality consistency, and saving production time and processing costs.

Description

Technical Field

[0001] This utility model relates to the field of commutator processing and manufacturing technology, and in particular to an automatic deburring device for a series motor rotor commutator after turning. Background Technology

[0002] During the repair or manufacturing of series-wound motors, metal burrs remain on the surface and slots of the rotor commutator after machining. If these burrs are not removed or are not cleaned properly, they can cause abnormal brush wear, generate sparks during operation, exacerbate surface damage to the commutator, and even cause arcing, resulting in motor burnout. If these metal burrs become stuck between the commutator segments, they can cause inter-segment short circuits and burn out the rotor windings. Traditional methods rely on manual cleaning with brushes or scrapers, but manual processing is inefficient, inconsistent, and poses safety hazards. Utility Model Content

[0003] Technical objective: In order to overcome the shortcomings of the existing technology, this utility model provides an automatic deburring device for the rotor commutator of a series motor after turning, which can automatically grind the metal burrs on the rotor commutator to be processed, thereby improving production efficiency.

[0004] Technical Solution: To achieve the above objective, this utility model discloses an automatic deburring device for a series-wound motor rotor commutator after turning. The device includes a frame, a belt drive assembly for driving the rotor commutator to rotate on the frame, and a grinding assembly for deburring. The grinding assembly includes a grinding head that can automatically approach and adaptively conform to the surface of the rotor commutator. The belt drive assembly includes a transmission belt that is sleeved on the driving and driven pulleys, and the transmission belt presses against and drives the rotor commutator to rotate.

[0005] Furthermore, the grinding head is driven to rotate by a grinding motor, which is fixedly mounted on the bracket.

[0006] Furthermore, there are two driven wheels, and the driving wheel is driven to rotate by a drive motor, which is fixedly mounted on the bracket two.

[0007] Furthermore, the first bracket and the second bracket move synchronously under the drive of the linear drive assembly.

[0008] Furthermore, the linear drive assembly includes a cylinder and a slider, the slider sliding along a guide rod under the drive of the cylinder, and the first bracket and the second bracket are fixedly installed on the slider.

[0009] Furthermore, the grinding head uses a soft abrasive.

[0010] Furthermore, the rotor commutator is rotatably connected to the frame via a rolling assembly. The rolling assembly includes two rollers rotatably connected to the frame and arranged adjacent to each other. There are two sets of rolling assemblies, and the two ends of the central shaft of the rotor commutator are respectively mounted between the two rollers.

[0011] Furthermore, it also includes a photoelectric signal component, which, after detecting the rotor commutator at the workstation, controls the deburring device to start.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model's deburring device, by setting up a grinding component and a drive component and mounting them on a movable bracket, achieves adaptive contact between the grinding head and the rotor commutator surface, and enables the transmission belt to press and drive the rotor commutator. Combined with a photoelectric signal component, when the rotor commutator at the workstation is detected to be in place, the device automatically starts to grind it, eliminating the need for manual labor, improving production efficiency, ensuring product quality consistency, and saving production time and processing costs. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the automatic deburring device of this utility model;

[0015] Figure 2 for Figure 1 Enlarged view of the structure of section A in the middle;

[0016] Figure 3 This is a side view of the overall structure of the automatic deburring device of this utility model.

[0017] In the diagram, 1. Frame; 2. Rotor commutator; 3. Grinding head; 4. Drive belt; 5. Drive wheel; 6. Driven wheel; 7. Grinding motor; 8. Support 1; 9. Drive motor; 10. Support 2; 11. Cylinder; 12. Slider; 13. Guide rod; 14. Roller; 15. Photoelectric signal assembly. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1 To be continued Figure 3 The principles and features of this utility model are described, and the examples given are only used to explain this utility model and are not intended to limit the scope of this utility model.

[0019] An automatic deburring device for a series-wound motor rotor commutator after turning includes a frame 1, a belt drive assembly and a grinding assembly slidably connected to the frame 1 via a linear drive assembly, a rolling assembly slidably connected to the frame 1, and a photoelectric signal assembly 15. The belt drive assembly drives the rotor commutator 2 to be processed to rotate along its own axis on the rolling assembly. The grinding assembly is used for grinding the rotor commutator 2 to be processed. The photoelectric signal assembly 15 is used to detect the position of the rotor commutator 2 at the workstation and automatically control the start and stop of the entire device.

[0020] The grinding assembly includes a grinding head 3, which can automatically approach and adaptively fit the surface of the rotor commutator 2. The grinding head 3 is driven to rotate by a grinding motor 7, which is fixedly mounted on a bracket 8. Its output end is connected to the main shaft of the grinding head 3 through a coupling. The grinding head 3 uses soft abrasives, such as nylon brushes or carbon fiber brushes.

[0021] The drive assembly includes a transmission belt 4, which is an elastic belt compatible with various rotor specifications without requiring tooling changes. The transmission belt 4 is fitted onto the driving pulley 5 and the driven pulley 6, pressing and driving the rotor commutator 2 to rotate. Specifically, there are two driven pulleys 6, arranged in a triangular configuration with the driving pulley 5. The driving pulley 5 is driven by a drive motor 9, which is fixedly mounted on a bracket 10. The two driven pulleys 6 are rotatably connected to the bracket 10, and the output of the drive motor 9 drives the driving pulley 5 to rotate via a coupling. The drive motor 9 is a speed-adjustable servo motor, achieving more stable speed control while avoiding damage to the rotor core surface.

[0022] Support 1 (8) and support 2 (10) move synchronously under the drive of a linear drive assembly. The linear drive assembly includes a cylinder 11 and a slider 12, vertically downwards from the output end of the cylinder 11 and connected to it. The slider 12 slides along a guide rod 13 under the drive of the cylinder 11, and support 1 (8) and support 2 (10) are fixedly mounted on the slider 12. The cylinder 11 has a built-in magnetic ring sensor that can provide real-time feedback on the piston position. Besides using a cylinder to drive support 1 (8) and support 2 (10), the linear drive assembly can also use a lead screw mechanism, as in existing technology. For example, a motor can be fixedly mounted on the frame 1, with its output end connected to a lead screw. The lead screw is screwed onto a nut seat, and support 1 (8) and support 2 (10) are fixedly mounted on the nut seat. The up-and-down movement of the nut is achieved by the forward and reverse rotation of the motor.

[0023] The rotor commutator 2 is rotatably connected to the frame 1 via a rolling assembly. The rolling assembly includes two rollers 14 rotatably connected to the frame 1 and arranged adjacent to each other. The two rollers rotate in the same direction. There are two sets of rolling assemblies. The two ends of the central shaft of the rotor commutator 2 are respectively mounted between the two rollers 14.

[0024] After the commutator 2 is completed at the previous workstation, the rotor moves one workstation backward along the equipment guide rail. Once it reaches the working area of ​​this device, both ends of the rotor are placed on the rolling assembly. At this point, the photoelectric signal component 15 detects the rotor at the workstation, automatically feeds back, and controls the device to start: First, the slider 12 moves downward, causing the grinding head 3 to adaptively conform to the rotor surface, and the transmission belt 4 presses against the rotor surface; then, the grinding motor 7 and drive motor 9 start, beginning the grinding process. The device operates synchronously with the commutator machining process, without occupying additional processing time. After grinding is completed, the photoelectric signal component 15 controls the device to stop operating. The photoelectric signal component 15's use of an industrial camera and control system for automated control of motors, cylinders, etc., is existing technology and will not be elaborated further here.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for automatic deburring of a turned commutator of a dynamo rotor, comprising a frame (1), characterized in that, It also includes a belt drive assembly that drives the rotor commutator (2) to rotate on the frame (1) and a grinding assembly for removing burrs. The grinding assembly includes a grinding head (3) that can automatically approach and adaptively fit the surface of the rotor commutator (2). The belt drive assembly includes a transmission belt (4) that is sleeved on the driving wheel (5) and the driven wheel (6). The transmission belt (4) presses and drives the rotor commutator (2) to rotate.

2. The automatic deburring device after turning of the commutator of the series excited electric machine rotor according to claim 1, characterized in that, The grinding head (3) is driven to rotate by the grinding motor (7), which is fixedly mounted on the bracket (8).

3. The automatic deburring device after turning of the commutator of the dynamo motor rotor according to claim 2, characterized in that, There are two driven wheels (6), and the driving wheel (5) is driven to rotate by a drive motor (9). The drive motor (9) is fixedly installed on the bracket (10).

4. The automatic deburring device for the rotor commutator of a series-wound motor after turning according to claim 3, characterized in that, The first bracket (8) and the second bracket (10) move synchronously under the drive of the linear drive assembly.

5. The automatic deburring device for the rotor commutator of a series-wound motor after turning according to claim 4, characterized in that, The linear drive assembly includes a cylinder (11) and a slider (12). The slider (12) slides along the guide rod (13) under the drive of the cylinder (11). The first bracket (8) and the second bracket (10) are fixedly installed on the slider (12).

6. The automatic deburring device for the rotor commutator of a series-wound motor after turning according to claim 1, characterized in that, The grinding head (3) uses soft abrasive.

7. The automatic deburring device for the rotor commutator of a series-wound motor after turning according to claim 1, characterized in that, The rotor commutator (2) is rotatably connected to the frame (1) via a rolling assembly. The rolling assembly includes two rollers (14) rotatably connected to the frame (1) and arranged adjacent to each other. There are two sets of the rolling assembly. The two ends of the central shaft of the rotor commutator (2) are respectively mounted between the two rollers (14).

8. The automatic deburring device for the rotor commutator of a series-wound motor after turning according to claim 7, characterized in that, It also includes a photoelectric signal component (15), which controls the deburring device to start after detecting the rotor commutator (2) on the workstation.

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