Permanent magnet motor rotor processing equipment

Abstract

The permanent magnet motor rotor machining equipment comprises a base, the top end of the base is rotationally connected with a rotating disc, the upper surface of the rotating disc is used for supporting a rotor body, a plurality of first sliding grooves are formed in the rotating disc in the circumferential direction at equal intervals, inner supporting rods are connected into the first sliding grooves in a sliding mode, and the outer walls of the inner supporting rods are attached to the inner wall of the rotor body. A plurality of second sliding grooves matched with the inner supporting rods to slide are formed in the base in the circumferential direction at equal intervals, a sliding block is slidably connected into each second sliding groove, and the top end of each sliding block is connected with the bottom end of the corresponding inner supporting rod. According to the permanent magnet motor rotor machining equipment, the rotating disc is driven to rotate, the multiple inner supporting rods slide in the first sliding grooves, and therefore the inner supporting rods can be attached to the inner wall of the rotor body, the inner supporting and positioning effect on the rotor body can be achieved, it is avoided that when the outer wall of the rotor body is clamped and positioned, operation of a grinding device is affected, and then the grinding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotor processing, in particular to a permanent magnet motor rotor processing device. Background Art

[0002] The permanent magnet motor rotor is mainly composed of a rotor core, permanent magnets, a rotor shaft (rotating shaft), bearings and other parts; among them, the rotor core is made of laminated silicon steel sheets; the slots opened on the outer wall of the permanent magnet motor rotor play a vital role in the motor design. They not only improve the motor's operating performance and mechanical strength, but also help reduce energy consumption and reduce noise.

[0003] After the slots on the outer wall of the permanent magnet motor rotor are processed, burrs and dirt will remain on their surface. In order to improve the surface finish of the slots, they need to be polished to ensure that the permanent magnets can be correctly and firmly installed in the slots.

[0004] Currently, during grinding, the rotor is generally fixed by a double-sided clamp, and the grinding block is driven up and down to grind the grooves on the outer wall of the rotor. However, this fixing method will cause the clamp to block the position of the groove. During the grinding process, the position of the rotor needs to be adjusted in time to keep the ungrinded slot holes away from the outer wall of the clamp in time, which will reduce the grinding efficiency of the grinding block. Utility Model Content

[0005] The purpose of the present utility model is to provide a permanent magnet motor rotor processing equipment to solve the problem raised in the above background technology that during grinding, the rotor is generally fixed by a double-sided clamp, and then the grinding block is driven up and down to grind the grooves on the outer wall of the rotor. However, this fixing method will cause the clamp to block the position of the groove. During the grinding process, the position of the rotor needs to be adjusted in time to keep the ungrinded slot holes away from the outer wall of the clamp in time, which will reduce the grinding efficiency of the grinding block.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a permanent magnet motor rotor processing device, comprising a base;

[0007] A turntable is rotatably connected to the top of the base, and the upper surface of the turntable is used to support the rotor body. A plurality of first sliding grooves are circumferentially equidistantly provided on the turntable, and inner support rods are slidably connected inside the plurality of first sliding grooves, and the outer walls of the plurality of inner support rods are all fitted to the inner wall of the rotor body. A plurality of second sliding grooves are circumferentially equidistantly provided inside the base to cooperate with the sliding of the inner support rods, and a slider is slidably connected inside each of the second sliding grooves, and the top of each slider is connected to the bottom end of the inner support rod.

[0008] As a preferred technical solution of the present application, a first motor is installed inside the base, and the top end of the first motor is connected to the bottom end of the turntable.

[0009] As a preferred technical solution of the present application, the side wall of the base is rotatably connected to a connecting ring, the inner wall of the connecting ring is connected to a movable frame, the bottom end of the movable frame is slidably connected to the surface of the base, and a liftable grinding block is provided on the movable frame, and the end of the grinding block away from the movable frame is fitted into any groove on the outer wall of the rotor body.

[0010] As the preferred technical solution of the present application, a reciprocating screw is rotatably connected inside the movable frame, a second motor is connected to the top of the movable frame, the output end of the second motor is socketed with the top of the reciprocating screw, a movable block is threadedly connected to the outer wall of the reciprocating screw, and the grinding block is installed on the movable block.

[0011] As a preferred technical solution of the present application, an electric push rod is installed on the outer wall of the movable block, and the output end of the electric push rod is connected to the outer wall of the grinding block.

[0012] As a preferred technical solution of the present application, the inner wall of the movable frame is connected to a connecting rod, and one end of the movable block away from the reciprocating screw rod is slidably connected to the connecting rod.

[0013] As a preferred technical solution of the present application, the outer wall of the connecting ring is connected to a gear ring, the outer wall of the gear ring is engaged with a gear, the side wall of the base is connected to a bottom plate, a third motor is installed on the top of the bottom plate, and the output end of the third motor is connected to the gear.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. By driving the turntable to rotate, multiple inner support rods slide inside the first slide groove, so that they can fit on the inner wall of the rotor body, thereby playing an internal support and positioning role for the rotor body, avoiding affecting the operation of the grinding device when clamping and positioning the outer wall of the rotor body, thereby improving the grinding efficiency;

[0016] 2. By setting a movable block that can be lifted and lowered, the grinding block on the movable block can be lifted and lowered back and forth, so as to grind the groove on the outer wall of the rotor body. By adjusting the horizontal position of the grinding block with the electric push rod, the grinding block can be adapted to various types of rotor bodies. By setting a rotatable movable frame, the grinding block can be moved in a circular motion to grind the groove on the outer wall of the rotor body, thereby improving the convenience of grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the base and the rotor body of the utility model in a separated state;

[0019] Figure 3It is a schematic diagram of the three-dimensional structure of the base, inner support rod, second slide groove, slider and first motor of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the movable frame, reciprocating screw rod, second motor, movable block, connecting rod, electric push rod, grinding block, connecting ring and gear ring of the utility model.

[0021] In the figure: 1. Base; 2. Rotor body; 3. Turntable; 301. First slide; 302. Inner support rod; 303. Second slide; 304. Slider; 305. First motor; 4. Movable frame; 401. Reciprocating screw; 402. Second motor; 403. Movable block; 404. Connecting rod; 405. Electric push rod; 406. Grinding block; 5. Connecting ring; 501. Ring gear; 502. Gear; 503. Third motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the utility model provides a technical solution: a permanent magnet motor rotor processing device, comprising a base 1;

[0024] The top of the base 1 is rotatably connected to a turntable 3, and the upper surface of the turntable 3 is used to support the rotor body 2. A plurality of first sliding grooves 301 are equidistantly provided on the turntable 3 in the circumferential direction, and the inner support rods 302 are slidably connected inside the plurality of first sliding grooves 301, and the outer walls of the plurality of inner support rods 302 are all fitted against the inner wall of the rotor body 2. A plurality of second sliding grooves 303 are equidistantly provided inside the base 1 in the circumferential direction to cooperate with the sliding of the inner support rods 302, and a slider 304 is slidably connected inside each second sliding groove 303, and the top of each slider 304 is connected to the bottom end of the inner support rod 302; by driving the turntable 3 to rotate, the plurality of inner support rods 302 slide inside the first sliding grooves 301, so that they can fit against the inner wall of the rotor body 2, and thus can play an internal support positioning role for the rotor body 2, avoiding affecting the operation of the grinding device when clamping and positioning the outer wall of the rotor body 2, thereby improving the grinding efficiency.

[0025] In a preferred embodiment, a first motor 305 is installed inside the base 1, and the top end of the first motor 305 is connected to the bottom end of the turntable 3; the turntable 3 is driven to rotate by the first motor 305, thereby driving the multiple inner support rods 302 to move.

[0026] In a preferred embodiment, the side wall of the base 1 is rotatably connected to a connecting ring 5, the inner wall of the connecting ring 5 is connected to a movable frame 4, the bottom end of the movable frame 4 is slidably connected to the surface of the base 1, and a liftable grinding block 406 is provided on the movable frame 4. The end of the grinding block 406 away from the movable frame 4 is fitted into any groove on the outer wall of the rotor body 2; the movable frame 4 is driven to move in a circular motion by the connecting ring 5, so that the liftable grinding block 406 on the movable frame 4 can grind grooves on the outer wall of various models of rotor bodies 2.

[0027] In a preferred embodiment, the movable frame 4 is internally connected to a reciprocating screw 401 for rotation, the top of the movable frame 4 is connected to a second motor 402, the output end of the second motor 402 is socketed with the top of the reciprocating screw 401, the outer wall of the reciprocating screw 401 is threadedly connected to a movable block 403, and the grinding block 406 is installed on the movable block 403; the reciprocating screw 401 is driven to rotate by the second motor 402, thereby enabling the movable block 403 to be raised and lowered.

[0028] In a preferred embodiment, an electric push rod 405 is installed on the outer wall of the movable block 403, and the output end of the electric push rod 405 is connected to the outer wall of the grinding block 406; by driving the grinding block 406 to move horizontally by the electric push rod 405, the electric push rod 405 can grind various models of rotor bodies 2.

[0029] In a preferred embodiment, a connecting rod 404 is connected to the inner wall of the movable frame 4, and the end of the movable block 403 away from the reciprocating screw rod 401 is slidably connected to the connecting rod 404; by sliding on the connecting rod 404 while the movable block 403 is raised and lowered, the raising and lowering of the movable block 403 can be kept stable, and the movable block 403 can be prevented from rotating.

[0030] In a preferred embodiment, the outer wall of the connecting ring 5 is connected to a gear ring 501, the outer wall of the gear ring 501 is meshed with a gear 502, the side wall of the base 1 is connected to a bottom plate, a third motor 503 is installed on the top of the bottom plate, and the output end of the third motor 503 is connected to the gear 502; the gear 502 is driven by the third motor 503 to drive the gear ring 501 to rotate, and then the connecting ring 5 can drive the movable frame 4 to move in a circular shape, so that the groove on the outer wall of the rotor body 2 can be polished at multiple angles.

[0031] Working principle: First, the rotor body 2 is placed on the surface of the turntable 3, and then the first motor 305 drives the turntable 3 to rotate, so that the first slide 301 moves, and then drives the inner support rod 302 to slide inside the first slide 301, and the slider 304 at the bottom end of the inner support rod 302 slides inside the second slide 303 until the outer walls of multiple inner support rods 302 are all in contact with the inner wall of the rotor body 2, thereby forming an inner support effect on the inner wall of the rotor body 2, and then positioning the rotor body 2, and driving the grinding block 406 to move by the electric push rod 405 until the grinding block 406 is in contact with the rotor body 2. In the groove on the outer wall of the sub-body 2, the reciprocating screw 401 is then driven to rotate by the second motor 402, and the movable block 403 drives the electric push rod 405 and the grinding block 406 to rise and fall while sliding on the outer wall of the connecting rod 404, so that the grinding block 406 grinds the groove on the outer wall of the rotor body 2, and the gear 502 is driven to rotate by the third motor 503, so that the gear 502 drives the ring gear 501 to rotate, and the ring gear 501 drives the connecting ring 5 to rotate on the outer wall of the base 1, and then the connecting ring 5 drives the movable frame 4 to move as a whole, so that the grinding position of the grinding block 406 can be adjusted.

[0032] The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

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

Claims

1. A permanent magnet motor rotor processing device, comprising a base (1); characterized in that: The top of the base (1) is rotatably connected to a turntable (3), the upper surface of the turntable (3) is used to support the rotor body (2), a plurality of first sliding grooves (301) are equidistantly provided on the turntable (3), the interior of the plurality of first sliding grooves (301) are all slidably connected to inner support rods (302), the outer walls of the plurality of inner support rods (302) are all fitted to the inner wall of the rotor body (2), a plurality of second sliding grooves (303) are equidistantly provided inside the base (1) for sliding with the inner support rods (302), each of the second sliding grooves (303) is slidably connected to a slider (304), and the top of each slider (304) is connected to the bottom end of the inner support rod (302).

2. The permanent magnet motor rotor processing equipment according to claim 1, characterized in that: A first motor (305) is installed inside the base (1), and the top end of the first motor (305) is connected to the bottom end of the turntable (3).

3. The permanent magnet motor rotor processing equipment according to claim 1, characterized in that: The side wall of the base (1) is rotatably connected to a connecting ring (5), the inner wall of the connecting ring (5) is connected to a movable frame (4), the bottom end of the movable frame (4) is slidably connected to the surface of the base (1), and a lifting and lowering grinding block (406) is provided on the movable frame (4), and the end of the grinding block (406) away from the movable frame (4) is fitted into any groove on the outer wall of the rotor body (2).

4. The permanent magnet motor rotor processing equipment according to claim 3, characterized in that: The movable frame (4) is internally rotatably connected to a reciprocating screw rod (401), the top end of the movable frame (4) is connected to a second motor (402), the output end of the second motor (402) is sleeved with the top end of the reciprocating screw rod (401), the outer wall of the reciprocating screw rod (401) is threadedly connected to a movable block (403), and the grinding block (406) is mounted on the movable block (403).

5. The permanent magnet motor rotor processing equipment according to claim 4, characterized in that: An electric push rod (405) is installed on the outer wall of the movable block (403), and the output end of the electric push rod (405) is connected to the outer wall of the grinding block (406).

6. The permanent magnet motor rotor processing equipment according to claim 4, characterized in that: The inner wall of the movable frame (4) is connected to a connecting rod (404), and one end of the movable block (403) away from the reciprocating screw rod (401) is slidably connected to the connecting rod (404).

7. The permanent magnet motor rotor processing equipment according to claim 3, characterized in that: The outer wall of the connecting ring (5) is connected to a gear ring (501), the outer wall of the gear ring (501) is meshed with a gear (502), the side wall of the base (1) is connected to a bottom plate, a third motor (503) is installed on the top of the bottom plate, and the output end of the third motor (503) is connected to the gear (502).

Images