Automatic polishing machining device for motor rotor

Abstract

The utility model discloses an automatic motor rotor polishing device which comprises a polishing fixing support, a polishing assembly, a rebounding assembly, a rotor piece, a polishing telescopic support, an electromagnetic assembly and a rotating handle, the polishing assembly is fixedly installed on the polishing fixing support, the rebounding assembly is installed on the polishing fixing support in a sliding mode, and the rotating handle is installed on the rotor piece. The rotor piece is arranged on the grinding assembly and the springback assembly in a sliding and sleeving mode, the grinding telescopic support is installed on the grinding fixing support in a sliding mode, the electromagnetic assembly is fixedly installed on the grinding telescopic support, and the rotating handle is installed on the grinding fixing support in a rotating mode. The burr removing device is used for effectively removing burrs on the inner wall of the rotor piece, preventing the burrs on the inner wall of the rotor piece, damaging an enameled wire wound on the rotor piece and damaging insulating paint on the outer surface of the enameled wire, thereby causing short circuit or electric leakage, further causing performance reduction or damage of a motor, and preventing temperature rise of the burrs on the inner wall of the rotor piece. And the enameled wire is damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding processing of motor rotors, in particular to an automatic grinding processing device for motor rotors. Background Art

[0002] The rotor plates in the motor need to be polished during processing to prevent burrs from piercing the insulation layer of the rotor winding, causing short circuits or leakage, and further causing motor performance degradation or damage. During motor manufacturing and maintenance, it is very important to remove burrs on the rotor plates to ensure the safe, efficient and long life of the motor.

[0003] Therefore, how to provide an automatic grinding and processing device for motor rotors is an urgent problem to be solved by those skilled in the art. Utility Model Content

[0004] One purpose of the utility model is to provide an automatic grinding and processing device for a motor rotor. The utility model is used to effectively remove burrs on the inner wall of a rotor sheet, avoid burrs on the inner wall of the rotor sheet, damage the enameled wire wound on the rotor sheet, and destroy the insulating paint on the outer surface of the enameled wire, thereby causing a short circuit or leakage, further causing the motor performance to decline or be damaged, and avoid the temperature of the burrs on the inner wall of the rotor sheet to rise, resulting in damage to the enameled wire.

[0005] According to an embodiment of the utility model, an automatic grinding processing device for a motor rotor includes a grinding fixed bracket, a grinding component, a rebound component, a rotor sheet, a grinding telescopic bracket, an electromagnetic component and a turning handle, wherein the grinding component is fixedly mounted on the grinding fixed bracket, the rebound component is slidably mounted on the grinding fixed bracket, the rotor sheet is slidingly sleeved on the grinding component and the rebound component, the grinding telescopic bracket is slidably mounted on the grinding fixed bracket, the electromagnetic component is fixedly mounted on the grinding telescopic bracket, the turning handle is rotatably mounted on the grinding fixed bracket, and the turning handle is threadedly matched with the grinding telescopic bracket.

[0006] Furthermore, a lifting pad is fixedly provided at the bottom of the polishing fixed bracket, and a sliding groove is provided at one end of the polishing fixed bracket close to the polishing telescopic bracket.

[0007] Furthermore, the grinding assembly includes a grinding rod core, a grinding outer sleeve and a tightening screw, wherein the grinding rod core is fixedly mounted on a grinding fixed bracket, the grinding outer sleeve is sleeved on the grinding rod core, the threaded end of the tightening screw extends into the grinding outer sleeve, and the threaded end of the tightening screw is threadedly mounted on the grinding rod core.

[0008] Furthermore, the rebound assembly includes a mounting tube, a guide hole, a limit plate, a displacement rod and a return spring, wherein the guide hole is opened at one end of the mounting tube close to the grinding telescopic bracket, the limit plate is fixedly mounted on the mounting tube, one end of the mounting tube close to the grinding fixed bracket is fixedly mounted on the displacement rod, the displacement rod is slidably mounted on the grinding fixed bracket, the return spring is sleeved on the displacement rod, one end of the return spring is fixedly mounted on the grinding fixed bracket, and the other end of the return spring is fixedly mounted on the limit plate.

[0009] Furthermore, the rotor sheet is slidably sleeved on the polishing outer sleeve, and the rotor sheet is slidably sleeved on the mounting sleeve.

[0010] Furthermore, a slide plate is fixedly provided at the bottom of the polishing telescopic bracket, a mounting hole is provided at the top of the polishing telescopic bracket, and a guide rod is fixedly provided at one side of the polishing telescopic bracket close to the polishing assembly.

[0011] Furthermore, the electromagnetic assembly includes a coil tube, a coil group, an electromagnet, a magnet column, a magnet rod, a spring seat and a telescopic spring, wherein the coil tube is fixedly installed in the mounting hole, the coil group is fixedly installed in the coil tube, the electromagnet is installed in the coil group, the magnet column is slidably installed in the coil tube, one end of the magnet rod is fixedly installed on the magnet column, the other end of the magnet rod extends beyond the coil tube, the spring seat is fixedly installed on the magnet rod, one end of the telescopic spring is fixedly installed on the coil tube, and the other end of the telescopic spring is fixedly installed on the spring seat.

[0012] Furthermore, one end of the turning handle away from the handle extends to the inner wall of the slide groove, and the turning handle is rotatably connected to the inner wall of the slide groove.

[0013] The beneficial effects of the utility model are:

[0014] The utility model is used to effectively remove burrs on the inner wall of the rotor sheet, avoid the burrs on the inner wall of the rotor sheet, damage the enameled wire wound on the rotor sheet, destroy the insulating paint on the outer surface of the enameled wire, thereby causing a short circuit or leakage, further causing the performance of the motor to decline or be damaged, and avoid the temperature of the burrs on the inner wall of the rotor sheet to rise, causing damage to the enameled wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of an automatic grinding and processing device for motor rotors proposed by the utility model;

[0017] Figure 2 The utility model proposes an automatic grinding and processing device for a motor rotor Figure 1 A magnified image of point A;

[0018] Figure 3 This is a cross-sectional view of a grinding and fixing bracket of an automatic grinding and processing device for a motor rotor proposed by the utility model;

[0019] Figure 4 The utility model discloses a cross-sectional view of a coil barrel of an automatic grinding and processing device for a motor rotor.

[0020] In the figure: 1. Polishing fixed bracket; 1.1. Lifting pad; 1.2. Slide groove; 2. Polishing assembly; 2.1. Polishing rod core; 2.2. Polishing outer sleeve; 2.3. Tightening screw; 3. Rebound assembly; 3.1. Mounting cylinder; 3.2. Guide hole; 3.3. Limit plate; 3.4. Displacement rod; 3.5. Reset spring; 4. Rotor plate; 5. Polishing telescopic bracket; 5.1. Slide plate; 5.2. Mounting hole; 5.3. Guide rod; 6. Electromagnetic assembly; 6.1. Coil cylinder; 6.2. Coil group; 6.3. Electromagnet; 6.4. Magnet column; 6.5. Magnet rod; 6.6. Spring seat; 6.7. Telescopic spring; 7. Turn handle. DETAILED DESCRIPTION

[0021] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0022] Please refer to Figures 1 to 4 The utility model provides an automatic grinding processing device for a motor rotor, comprising a grinding fixed bracket 1, a grinding component 2, a rebound component 3, a rotor sheet 4, a grinding telescopic bracket 5, an electromagnetic component 6 and a turning handle 7, wherein the grinding component 2 is fixedly mounted on the grinding fixed bracket 1, the rebound component 3 is slidably mounted on the grinding fixed bracket 1, the rotor sheet 4 is slidably sleeved on the grinding component 2 and the rebound component 3, the grinding component 2 grinds the inner wall of the rotor sheet 4, the grinding telescopic bracket 5 is slidably mounted on the grinding fixed bracket 1, the electromagnetic component 6 is fixedly mounted on the grinding telescopic bracket 5, the turning handle 7 is rotatably mounted on the grinding fixed bracket 1, and the turning handle 7 is threadedly matched with the grinding telescopic bracket 5.

[0023] Specifically, a lifting pad 1.1 is fixedly arranged at the bottom of the grinding fixed bracket 1, and the lifting pad 1.1 lifts the grinding processing device to a certain height. A sliding groove 1.2 is provided at one end of the grinding fixed bracket 1 close to the grinding telescopic bracket 5.

[0024] Furthermore, the rotor plate 4 is put on the grinding component 2 and the rebound component 3, and the handle 7 is turned to make the grinding telescopic bracket 5 slide into the grinding fixed bracket 1. The grinding telescopic bracket 5 drives the electromagnetic component 6 to press against the rotor plate 4, and the electromagnetic component 6 is started. The electromagnetic component 6 drives the rotor plate 4 to move back and forth on the grinding component 2 and the rebound component 3 to grind the inner wall of the rotor plate 4 to avoid burrs on the inner wall of the rotor plate 4, damage to the enameled wire wound on the rotor plate 4, and damage to the insulating paint on the outer surface of the enameled wire, thereby causing a short circuit or leakage, further causing the motor performance to decline or be damaged, and to avoid the temperature of the burrs on the inner wall of the rotor plate 4 to rise, causing damage to the enameled wire.

[0025] More specifically, the grinding assembly 2 includes a grinding rod core 2.1, a grinding outer sleeve 2.2 and a tightening screw 2.3, wherein the grinding rod core 2.1 is fixedly mounted on the grinding fixed bracket 1, the grinding outer sleeve 2.2 is sleeved on the grinding rod core 2.1, the grinding outer sleeve 2.2 is used to grind the inner wall of the rotor plate 4 to remove burrs on the inner wall, the threaded end of the tightening screw 2.3 extends into the grinding outer sleeve 2.2, and the threaded end of the tightening screw 2.3 is threadedly mounted on the grinding rod core 2.1, and the grinding outer sleeve 2.2 can be replaced by unlocking the tightening screw 2.3 to suit different types of rotor plates 4.

[0026] The rebound assembly 3 includes a mounting tube 3.1, a guide hole 3.2, a limit plate 3.3, a displacement rod 3.4 and a return spring 3.5, wherein the guide hole 3.2 is opened at one end of the mounting tube 3.1 close to the grinding telescopic bracket 5, the limit plate 3.3 is fixedly mounted on the mounting tube 3.1, the end of the mounting tube 3.1 close to the grinding fixed bracket 1 is fixedly mounted on the displacement rod 3.4, the displacement rod 3.4 is slidably mounted on the grinding fixed bracket 1, the return spring 3.5 is sleeved on the displacement rod 3.4, one end of the return spring 3.5 is fixedly mounted on the grinding fixed bracket 1, and the other end of the return spring 3.5 is fixedly mounted on the limit plate 3.3.

[0027] The rotor piece 4 is slidably sleeved on the polishing outer sleeve 2.2, and the rotor piece 4 is slidably sleeved on the mounting sleeve 3.1.

[0028] A slide plate 5.1 is fixedly provided at the bottom of the grinding telescopic bracket 5, and the slide plate 5.1 slides in the slide groove 1.2, and the slide plate 5.1 is threadedly connected to the turning handle 7. A mounting hole 5.2 is opened on the top of the grinding telescopic bracket 5, and a guide rod 5.3 is fixedly provided on the side of the grinding telescopic bracket 5 close to the grinding component 2, and the outer diameter of the guide rod 5.3 matches the inner diameter of the guide hole 3.2; the end of the turning handle 7 away from the handle extends to the inner wall of the slide groove 1.2, and the turning handle 7 is rotatably connected on the inner wall of the slide groove 1.2.

[0029] Furthermore, a plurality of rotor plates 4 are sleeved on the polishing outer sleeve 2.2 and the mounting sleeve 3.1, and the handle 7 is turned, the handle 7 is threadedly connected with the slide plate 5.1, and the slide plate 5.1 is displaced along the slide groove 1.2 by turning the handle 7.

[0030] More specifically, the electromagnetic assembly 6 includes a coil barrel 6.1, a coil assembly 6.2, an electromagnet 6.3, a magnet column 6.4, a magnet rod 6.5, a spring seat 6.6 and a telescopic spring 6.7, wherein the coil barrel 6.1 is fixedly installed in the mounting hole 5.2, the gap between the coil barrel 6.1 and the mounting hole 5.2 is fixedly connected by welding, the coil assembly 6.2 is fixedly installed in the coil barrel 6.1, and the electromagnet 6.3 is installed in the coil assembly 6.2, and the electromagnet 6.3 generates positive or negative magnetic poles through the coil assembly 6.2 to the magnet column. 6.4 repel each other with the same poles and attract each other with the opposite poles, so that the magnet column 6.4 and the magnet rod 6.5 move left and right. The magnet column 6.4 is slidably installed in the coil tube 6.1, one end of the magnet rod 6.5 is fixedly installed on the magnet column 6.4, and the other end of the magnet rod 6.5 extends outside the coil tube 6.1. The spring seat 6.6 is fixedly installed on the magnet rod 6.5, and the magnet rod 6.5 is against the rotor sheet 4. One end of the telescopic spring 6.7 is fixedly installed on the coil tube 6.1, and the other end of the telescopic spring 6.7 is fixedly installed on the spring seat 6.6.

[0031] Furthermore, by turning the turning handle 7, the slide plate 5.1, the grinding telescopic bracket 5 and the magnet rod 6.5 are moved onto the rotor plate 4 until the magnet rod 6.5 abuts against the rotor plate 4.

[0032] The electromagnetic assembly 6 is energized, the coil group 6.2 is energized, and the positive and negative poles of the voltage are continuously switched. The electromagnet 6.3 generates a magnetic field. The electromagnet 6.3 and the magnet column 6.4 repel each other with the same poles and attract each other with the opposite poles, so that the magnet column 6.4 moves back and forth. The magnet column 6.4 drives the magnet rod 6.5 to move back and forth. When the magnet rod 6.5 is extended, the rotor sheet 4 against which the magnet rod 6.5 is pressed moves synchronously. The rotor sheet 4 presses against the limit plate 3.3 to drive the installation tube 3.1 and the displacement rod 3.4 to move synchronously, and the displacement rod 3.4 stretches the reset spring 3.5.

[0033] At this time, the rotor plate 4 slides on the polished outer sleeve 2.2, so that the inner wall of the rotor plate 4 is polished on the polished outer sleeve 2.2 to remove burrs. After the polishing is completed, the handle 7 is turned to make the slide plate 5.1 slide out of the slide groove 1.2, the magnet rod 6.5 no longer presses against the rotor plate 4, and the guide rod 5.3 also slides out of the guide hole 3.2, and the rotor plate 4 is removed, and the unpolished rotor plate 4 is re-installed on the polished outer sleeve 2.2 and the mounting tube 3.1, and polished again by the electromagnetic component 6.

[0034] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. The automatic grinding and processing device for motor rotors is characterized by: The utility model comprises a grinding fixed bracket (1), a grinding component (2), a rebound component (3), a rotor plate (4), a grinding telescopic bracket (5), an electromagnetic component (6) and a turning handle (7), wherein the grinding component (2) is fixedly mounted on the grinding fixed bracket (1), the rebound component (3) is slidably mounted on the grinding fixed bracket (1), the rotor plate (4) is slidably sleeved on the grinding component (2) and the rebound component (3), the grinding telescopic bracket (5) is slidably mounted on the grinding fixed bracket (1), the electromagnetic component (6) is fixedly mounted on the grinding telescopic bracket (5), the turning handle (7) is rotatably mounted on the grinding fixed bracket (1), and the turning handle (7) and the grinding telescopic bracket (5) are threadedly matched.

2. The motor rotor automatic grinding processing device according to claim 1 is characterized in that: A lifting pad (1.1) is fixedly arranged at the bottom of the polishing fixed bracket (1), and a sliding groove (1.2) is provided at one end of the polishing fixed bracket (1) close to the polishing telescopic bracket (5).

3. The motor rotor automatic grinding processing device according to claim 1 is characterized in that: The grinding assembly (2) comprises a grinding rod core (2.1), a grinding outer sleeve (2.2) and a tightening screw (2.3), wherein the grinding rod core (2.1) is fixedly mounted on a grinding fixed bracket (1), the grinding outer sleeve (2.2) is sleeved on the grinding rod core (2.1), the threaded end of the tightening screw (2.3) extends into the grinding outer sleeve (2.2), and the threaded end of the tightening screw (2.3) is threadedly mounted on the grinding rod core (2.1).

4. The motor rotor automatic grinding processing device according to claim 1 is characterized in that: The rebound component (3) comprises a mounting tube (3.1), a guide hole (3.2), a limit plate (3.3), a displacement rod (3.4) and a return spring (3.5), wherein the guide hole (3.2) is provided at one end of the mounting tube (3.1) close to the grinding telescopic bracket (5), the limit plate (3.3) is fixedly mounted on the mounting tube (3.1), one end of the mounting tube (3.1) close to the grinding fixed bracket (1) is fixedly mounted on the displacement rod (3.4), the displacement rod (3.4) is slidably mounted on the grinding fixed bracket (1), the return spring (3.5) is sleeved on the displacement rod (3.4), one end of the return spring (3.5) is fixedly mounted on the grinding fixed bracket (1), and the other end of the return spring (3.5) is fixedly mounted on the limit plate (3.3).

5. The motor rotor automatic grinding processing device according to claim 1, characterized in that: The rotor sheet (4) is slidably sleeved on the polishing outer sleeve (2.2), and the rotor sheet (4) is slidably sleeved on the mounting sleeve (3.1).

6. The motor rotor automatic grinding processing device according to claim 1, characterized in that: A slide plate (5.1) is fixedly arranged at the bottom of the grinding telescopic bracket (5), a mounting hole (5.2) is opened at the top of the grinding telescopic bracket (5), and a guide rod (5.3) is fixedly arranged on one side of the grinding telescopic bracket (5) close to the grinding assembly (2).

7. The motor rotor automatic grinding processing device according to claim 1, characterized in that: The electromagnetic assembly (6) comprises a coil barrel (6.1), a coil group (6.2), an electromagnet (6.3), a magnet column (6.4), a magnet rod (6.5), a spring seat (6.6) and a telescopic spring (6.7), wherein the coil barrel (6.1) is fixedly mounted in the mounting hole (5.2), the coil group (6.2) is fixedly mounted in the coil barrel (6.1), the electromagnet (6.3) is mounted in the coil group (6.2), the magnet column (6.4) is slidably mounted in the coil barrel (6.1), one end of the magnet rod (6.5) is fixedly mounted on the magnet column (6.4), the other end of the magnet rod (6.5) extends outside the coil barrel (6.1), the spring seat (6.6) is fixedly mounted on the magnet rod (6.5), one end of the telescopic spring (6.7) is fixedly mounted on the coil barrel (6.1), and the other end of the telescopic spring (6.7) is fixedly mounted on the spring seat (6.6).

8. The motor rotor automatic grinding processing device according to claim 1, characterized in that: One end of the turning handle (7) away from the handle extends to the inner wall of the slide groove (1.2), and the turning handle (7) is rotatably connected to the inner wall of the slide groove (1.2).

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