Polishing device for electric rotor

By designing an electric rotor polishing device including an L-shaped frame, a cylinder and a support assembly, the problems of cumbersome and center offset in the prior art are solved, and efficient support and stable polishing effects for rotors of different inner diameters are achieved.

CN222511674UActive Publication Date: 2025-02-21XUZHOU CURRENCY MAGNETOELECTRICITY

Patent Information

Application Number
CN202420964536.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-02-21
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

The existing motor rotor polishing device is complicated when fixing the rotor and easily leads to center offset, affecting the polishing effect.

Method used

A polishing device including a base plate, an L-shaped frame, a cylinder, a circular roller and a support assembly is designed. By rotating the first threaded rod, the support limit for electric rotors of different inner diameters is realized.

Benefits of technology

The rotor fixing process is simplified, the adaptability and portability to rotors with different inner diameters is improved, and the stability of the polishing effect is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polishing device for an electric rotor, which belongs to the technical field of electric rotor processing, and comprises a bottom plate, an L-shaped frame is fixedly mounted on the upper surface of the bottom plate, a rectangular box is arranged below the L-shaped frame, an air cylinder is embedded in the L-shaped frame, and the rectangular box is connected with the air cylinder. The bottom end of an output shaft of the air cylinder and the upper surface of the rectangular box are fixedly installed, a second threaded rod is rotatably installed between the left side and the right side of the inner wall of the rectangular box, a second motor is fixedly installed on the right side of the rectangular box, and the left end of an output shaft of the second motor is fixedly connected with the right end of the second threaded rod. Through the arrangement of the sleeve, the arc-shaped plates, the first threaded rods, the threaded grooves and the connecting rods, the multiple arc-shaped plates can move outwards at the same time by rotating one first threaded rod, so that electric rotors with different inner diameters can be conveniently supported and limited; and the portability in use is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric rotor processing, in particular to a polishing device for an electric rotor. Background Art

[0002] The electric rotor is a key component in the motor. It is usually made of magnetic conductive materials and plays an important role in converting electrical energy into mechanical energy during the operation of the motor. The motor rotor is divided into two types: inner rotor rotation mode and outer rotor rotation mode. The inner rotor rotation mode is that the core in the middle of the motor is the rotating body, outputting torque (referring to the motor) or receiving energy (referring to the generator). The outer rotor rotation mode is that the outer body of the motor is the rotating body. Different modes facilitate the application of various occasions.

[0003] A Chinese patent publication (publication number: CN213731074U) discloses a motor rotor polishing device, comprising a base and a polishing box, wherein the polishing box is fixedly mounted on the top of the base, and the interior of the base is connected to the interior of the polishing box, a water tank is fixedly mounted on one side of the top of the base, the water tank is located on one side of the polishing box, bearings are arranged above the side walls on both sides of the interior of the polishing box, a screw rod is movably mounted above the interior of the polishing box through the bearing, a limiting rod is fixedly mounted inside the polishing box, the limiting rod is located directly above the screw rod, an internal threaded sleeve is threadedly mounted on the screw rod, a limiting sleeve is movably mounted on the limiting rod, and a third mounting plate is fixedly mounted on the bottom of the internal threaded sleeve, and the utility model provides a series of structures to enable the device to timely handle debris and dust generated during polishing and facilitate polishing of rotors of different lengths;

[0004] The polishing device facilitates the sedimentation of debris and dust generated during polishing by means of a water pump, a metal hose and a water spray head. However, the method of fixing the rotor by sequentially rotating the knob through the tightening screw is relatively cumbersome, and the method of fixing the rotor by a pressure plate is prone to deviation of the center, which affects the polishing effect. Therefore, a polishing device for an electric rotor is proposed. Summary of the invention

[0005] The purpose of the utility model is to provide a polishing device for an electric rotor to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polishing device for an electric rotor, comprising a base plate, an L-shaped frame is fixedly installed on the upper surface of the base plate, a rectangular box is arranged below the L-shaped frame, a cylinder is embedded inside the L-shaped frame, the bottom end of the cylinder output shaft is fixedly installed on the upper surface of the rectangular box, a second threaded rod is rotatably installed between the left side and the right side of the inner wall of the rectangular box, a second motor is fixedly installed on the right side of the rectangular box, the left end of the second motor output shaft is fixedly connected to the right end of the second threaded rod, a moving block is threadedly connected to the outer side of the second threaded rod, a polishing machine is fixedly installed on the lower surface of the moving block, a first motor is fixedly installed on the left side of the L-shaped frame, a circular roller is fixedly installed on the right end of the first motor output shaft, and the right end of the circular roller extends to the right side of the L-shaped frame;

[0007] Wherein, a support assembly is sleeved on the outer side of the circular roller, and the support assembly includes a sleeve, a first threaded rod, an arc plate, a rectangular plate, a connecting rod, a first guide block and a connecting rod.

[0008] As a further preferred embodiment of the technical solution: a threaded hole is opened on the right side of the moving block, and the threaded hole is threadedly connected to the second threaded rod.

[0009] As a further preferred embodiment of the technical solution: a first mounting hole is formed on the upper surface of the L-shaped frame, and an inner wall of the first mounting hole is fixedly connected to the outer side of the cylinder.

[0010] As a further preferred embodiment of the present technical solution: a thread groove is provided on the right side of the circular roller, and the internal thread of the thread groove is connected to a first threaded rod, a turning handle is fixedly installed on the right end of the first threaded rod, a sleeve is movably sleeved on the outer side of the circular roller, and the sleeve is rotatably installed on the outer side of the first threaded rod, and a plurality of connecting rods are rotatably installed on the outer side of the sleeve along the circumferential direction, a plurality of arc plates are provided on the outer side of the sleeve, and one end of the connecting rod away from the sleeve is rotatably connected to the inner wall of the arc plate, a plurality of rectangular plates are fixedly installed on the outer side of the circular roller along the circumferential direction, a first guide hole is provided on one side of the rectangular plate, a first guide block is fixedly installed on the left end of the arc plate, the outer side of the first guide block is movably contacted with the inner wall of the first guide hole, and a rubber gasket is fixedly pasted on the outer side of the arc plate.

[0011] As a further preferred embodiment of the technical solution: a second mounting hole is opened on the right side of the sleeve, a bearing is fixedly installed inside the second mounting hole, and an inner wall of the bearing is fixedly connected to the outer side of the first threaded rod.

[0012] As a further preferred embodiment of the present technical solution: a second guide hole is opened on the front side and the rear side of the inner wall of the rectangular box, a second guide block is fixedly installed on the front side and the rear side of the movable block, and the outer side of the second guide block is in movably contact with the inner wall of the second guide hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a sleeve, an arc plate, a first threaded rod, a threaded groove and a connecting rod, and can realize simultaneous outward movement of multiple arc plates by rotating a first threaded rod, so that it is convenient to support and limit electric rotors with different inner diameters, thereby improving portability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a polishing device for an electric rotor according to the utility model;

[0016] Figure 2 It is a rear view structural schematic diagram of a polishing device for an electric rotor of the utility model;

[0017] Figure 3 It is a bottom view structural schematic diagram of a polishing device for an electric rotor of the utility model;

[0018] Figure 4 This is a schematic diagram of the front cross-sectional structure of a polishing device for an electric rotor of the utility model;

[0019] Figure 5 This is a structural schematic diagram of a support assembly in a polishing device for an electric rotor according to the utility model;

[0020] Figure 6 The utility model is a schematic diagram of the installation structure of a sleeve and a connecting rod in a polishing device for an electric rotor.

[0021] In the figure: 1, base plate; 2, L-shaped frame; 3, cylinder; 4, circular roller; 5, support assembly; 501, sleeve; 502, first threaded rod; 503, arc plate; 504, rectangular plate; 505, first guide hole; 506, first guide block; 507, connecting rod; 6, first motor; 7, rectangular box; 8, second threaded rod; 9, second motor; 10, polishing machine; 11, moving block; 12, threaded hole; 13, first mounting hole; 14, threaded groove; 15, second mounting hole; 16, bearing; 17, second guide hole; 18, second guide block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] Example

[0024] See also Figure 1-Figure 6 The utility model provides a technical solution: a polishing device for an electric rotor, comprising a bottom plate 1, an L-shaped frame 2 is fixedly installed on the upper surface of the bottom plate 1, a rectangular box 7 is arranged below the L-shaped frame 2, a cylinder 3 is embedded inside the L-shaped frame 2, the bottom end of the output shaft of the cylinder 3 is fixedly installed on the upper surface of the rectangular box 7, a second threaded rod 8 is rotatably installed between the left side and the right side of the inner wall of the rectangular box 7, a second motor 9 is fixedly installed on the right side of the rectangular box 7, the left end of the output shaft of the second motor 9 is fixedly connected to the right end of the second threaded rod 8, a moving block 11 is threadedly connected to the outer side of the second threaded rod 8, a polishing machine 10 is fixedly installed on the lower surface of the moving block 11, a first motor 6 is fixedly installed on the left side of the L-shaped frame 2, a circular roller 4 is fixedly installed on the right end of the output shaft of the first motor 6, and the right end of the circular roller 4 extends to the right side of the L-shaped frame 2;

[0025] The outer side of the circular roller 4 is sleeved with a support assembly 5 , which includes a sleeve 501 , a first threaded rod 502 , an arc plate 503 , a rectangular plate 504 , a connecting rod 507 , a first guide block 506 and a connecting rod 507 .

[0026] In this embodiment, specifically: a threaded hole 12 is opened on the right side of the moving block 11 , and the threaded hole 12 is threadedly connected to the second threaded rod 8 . Through the threaded hole 12 , the second threaded rod 8 is threadedly connected to the moving block 11 .

[0027] In this embodiment, specifically: a first mounting hole 13 is opened on the upper surface of the L-shaped frame 2, and the inner wall of the first mounting hole 13 is fixedly connected to the outer side of the cylinder 3. By opening the first mounting hole 13, the cylinder 3 is embedded in the upper surface of the L-shaped frame 2.

[0028] In this embodiment, specifically: a thread groove 14 is provided on the right side of the circular roller 4, the internal thread of the thread groove 14 is connected to the first threaded rod 502, the right end of the first threaded rod 502 is fixedly installed with a rotating handle, the outer side of the circular roller 4 is movably sleeved with a sleeve 501, the sleeve 501 is rotatably installed on the outer side of the first threaded rod 502, a plurality of connecting rods 507 are rotatably installed on the outer side of the sleeve 501 along the circumferential direction, a plurality of arc plates 503 are provided on the outer side of the sleeve 501, one end of the connecting rod 507 away from the sleeve 501 is rotatably connected to the inner wall of the arc plate 503, and the outer side of the circular roller 4 is fixedly installed along the circumferential direction. A plurality of rectangular plates 504 are provided with a first guide hole 505 on one side of the rectangular plate 504. A first guide block 506 is fixedly installed on the left end of the arc plate 503. The outer side of the first guide block 506 is in movable contact with the inner wall of the first guide hole 505. A rubber gasket is fixedly attached to the outer side of the arc plate 503. The first threaded rod 502 is rotated by rotating the handle. The first threaded rod 502 is threadedly connected to the thread groove 14. The rotating first threaded rod 502 drives the sleeve 501 to move. The moving sleeve 501 drives the plurality of arc plates 503 rotatably installed therewith to move, thereby supporting the electric rotor.

[0029] In this embodiment, specifically: a second mounting hole 15 is opened on the right side of the sleeve 501, a bearing 16 is fixedly installed inside the second mounting hole 15, and the inner wall of the bearing 16 is fixedly connected to the outer side of the first threaded rod 502. Through the setting of the bearing 16, the sleeve 501 is rotatably installed on the outer side of the first threaded rod 502.

[0030] In the present embodiment, specifically: a second guide hole 17 is provided on the front side and the rear side of the inner wall of the rectangular box 7, a second guide block 18 is fixedly installed on the front side and the rear side of the moving block 11, the outer side of the second guide block 18 is in movable contact with the inner wall of the second guide hole 17, and the linear movement of the moving block 11 is realized by cooperating with the second guide block 18 and the second guide hole 17.

[0031] Working principle: The electric rotor to be polished is sleeved on the outer side of the sleeve 501, and the inner wall of the electric rotor is in contact with the outer side of an arc plate 503. The handle is rotated to drive the first threaded rod 502 to rotate. Since the first threaded rod 502 is threadedly connected with the thread groove 14, the first threaded rod 502 rotates and drives the sleeve 501 to move leftward on the outer side of the circular roller 4. Since multiple arc plates 503 are rotatably connected with the sleeve 501 through the connecting rod 507, the sleeve 501 moves to the left and pushes the multiple arc plates 503 to move outward. The electric rotor is supported by the multiple arc plates 503, and the first motor 6 is started, so that the first motor 6 drives the circular roller 4 to rotate, and drives the electric rotor to rotate at the same time, then starts the cylinder 3 to drive the polisher 10 to move downward until the polisher 10 contacts the outer side of the electric rotor, starts the second motor 9 to drive the second threaded rod 8 to rotate, the second threaded rod 8 is threadedly connected with the threaded hole 12, and the second threaded rod 8 rotates while the moving block 11 moves left and right, and the moving block 11 drives the polisher 10 to move left and right to polish the outer side of the rotating electric rotor, and by rotating a first threaded rod 502, multiple arc plates 503 can be moved outward at the same time, so that it is convenient to support and limit the electric rotors with different inner diameters, thereby improving the portability during use;

[0032] After polishing, the handle is rotated in the reverse direction to rotate the first threaded rod 502 in the reverse direction. The first threaded rod 502 rotates in the reverse direction and drives the sleeve 501 to move rightward. The sleeve 501 moves rightward to move the multiple arc plates 503 inward, releasing the support for the electric rotor, and the polished electric rotor can be removed.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polishing device for an electric rotor, characterized in that: The invention comprises a bottom plate (1), an L-shaped frame (2) is fixedly mounted on the upper surface of the bottom plate (1), a rectangular box (7) is arranged below the L-shaped frame (2), a cylinder (3) is embedded inside the L-shaped frame (2), the bottom end of the output shaft of the cylinder (3) is fixedly mounted on the upper surface of the rectangular box (7), a second threaded rod (8) is rotatably mounted between the left side and the right side of the inner wall of the rectangular box (7), a second motor (9) is fixedly mounted on the right side of the rectangular box (7), the left end of the output shaft of the second motor (9) is fixedly connected to the right end of the second threaded rod (8), a moving block (11) is threadedly connected to the outer side of the second threaded rod (8), a polishing machine (10) is fixedly mounted on the lower surface of the moving block (11), a first motor (6) is fixedly mounted on the left side of the L-shaped frame (2), a circular roller (4) is fixedly mounted on the right end of the output shaft of the first motor (6), and the right end of the circular roller (4) extends to the right side of the L-shaped frame (2); Wherein, a support assembly (5) is sleeved on the outer side of the circular roller (4), and the support assembly (5) comprises a sleeve (501), a first threaded rod (502), an arc plate (503), a rectangular plate (504), a connecting rod (507), a first guide block (506) and a connecting rod (507).

2. A polishing device for an electric rotor according to claim 1, characterized in that: A threaded hole (12) is provided on the right side of the moving block (11), and the threaded hole (12) is threadedly connected to the second threaded rod (8).

3. A polishing device for an electric rotor according to claim 1, characterized in that: A first mounting hole (13) is provided on the upper surface of the L-shaped frame (2), and the inner wall of the first mounting hole (13) is fixedly connected to the outer side of the cylinder (3).

4. A polishing device for an electric rotor according to claim 1, characterized in that: A thread groove (14) is provided on the right side of the circular roller (4), and the internal thread of the thread groove (14) is connected to a first threaded rod (502). A rotating handle is fixedly installed on the right end of the first threaded rod (502). A sleeve (501) is movably sleeved on the outer side of the circular roller (4), and the sleeve (501) is rotatably installed on the outer side of the first threaded rod (502). A plurality of connecting rods (507) are rotatably installed on the outer side of the sleeve (501) in a circumferential direction. A plurality of arc plates (503) are provided on the outer side of the sleeve (501). One end of the connecting rod (507) away from the sleeve (501) is rotatably connected to the inner wall of the arc plate (503); a plurality of rectangular plates (504) are fixedly installed along the circumferential direction on the outer side of the circular roller (4); a first guide hole (505) is opened on one side of the rectangular plate (504); a first guide block (506) is fixedly installed on the left end of the arc plate (503); the outer side of the first guide block (506) is in movably contact with the inner wall of the first guide hole (505); and a rubber gasket is fixedly adhered to the outer side of the arc plate (503).

5. The polishing device for an electric rotor according to claim 1, characterized in that: A second mounting hole (15) is provided on the right side of the sleeve (501), a bearing (16) is fixedly installed inside the second mounting hole (15), and an inner wall of the bearing (16) is fixedly connected to the outer side of the first threaded rod (502).

6. A polishing device for an electric rotor according to claim 1, characterized in that: The front side and the rear side of the inner wall of the rectangular box (7) are both provided with second guide holes (17), and the front side and the rear side of the moving block (11) are both fixedly mounted with second guide blocks (18), and the outer side of the second guide block (18) is in active contact with the inner wall of the second guide hole (17).

Citation Information

Patent Citations

  • Polishing device for motor rotor

    CN213731074U

Cited By

  • Polishing device for plastic magnetic rotor of motor

    CN119910563A