A built-in permanent magnet motor rotor assembly device

Abstract

The present invention discloses a built-in permanent magnet motor rotor assembly device, comprising a box body, a mounting plate fixedly connected to the top of the box body, a through hole being penetrated through the top of the mounting plate, a feed trough fixedly connected between the two sides of the inner wall of the box body, a feed inlet being opened on one side of the box body, a pulling hydraulic cylinder fixedly connected to the inner wall of the mounting plate and on both sides of the feed trough, limiting grooves being opened on both sides of the feed trough, and the output ends of the two pulling hydraulic cylinders being fixedly connected to connecting blocks, by arranging the feed trough inside the mounting plate and opening limiting grooves on the feed trough, a plurality of shaft bodies can be pulled into the top of the through hole by utilizing the extension and contraction of the pulling hydraulic cylinder, and then the shaft bodies can be pushed by the pushing hydraulic cylinder, and the inside of the rotor can be heated by utilizing the heating rod, thereby realizing rapid assembly of the shaft bodies and reducing the labor intensity of the staff.

Description

Technical Field

[0001] The present invention relates to the technical field of motor rotor assembly equipment, in particular to a built-in permanent magnet motor rotor assembly equipment. Background Art

[0002] The motor rotor is the rotating component of the motor and consists of an iron core and a shaft. To install the rotor, place the iron core in the preparatory fixture, with the O-ring end at the top. Heat the iron core in a heating oven to 180°C-200°C. Vertically insert the shaft into the core, applying a force of less than 50kg to fully press the shaft into place.

[0003] Currently, most rotor heating methods involve placing the core into a heating box, placing the core on a fixture, and pressing the shaft into the core. This method involves many steps and requires moving the core between several devices, which not only increases the labor intensity of workers but also reduces work efficiency. Summary of the Invention

[0004] The object of the present invention is to provide a built-in permanent magnet motor rotor assembly device, which provides a feed trough inside the mounting plate and opens a limit groove on the feed trough. By utilizing the extension and contraction of the pulling hydraulic cylinder, multiple shafts can be pulled into the top of the through hole, and then the shafts can be pushed by the pushing hydraulic cylinder, and the interior of the rotor can be heated by the heating rod, so that the shafts can be quickly assembled and the labor intensity of the staff can be reduced.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A built-in permanent magnet motor rotor assembly device comprises a box body, the top of the box body is fixedly connected to a mounting plate, the top of the mounting plate is penetrated by a through hole, a feed trough is fixedly connected between the two sides of the inner wall of the box body, a feed port is opened on one side of the box body, the inner wall of the mounting plate and the two sides of the feed trough are fixedly connected with a pulling hydraulic cylinder, both sides of the feed trough are provided with a limiting groove, the output ends of the two pulling hydraulic cylinders are fixedly connected with a connecting block, a sliding plate is fixedly connected between the opposite sides of the two connecting blocks and inside the limiting groove, the bottom of the feed trough is penetrated by a through hole, the bottom of the inner cavity of the box body is fixedly connected with a pushing hydraulic cylinder, the output end of the pushing hydraulic cylinder and the inside of the through hole are fixedly connected with a top plate.

[0007] As a further solution of the present invention: a limit plate is fixedly connected to the top of the feeding trough and below the through hole, and a horizontal plate is fixedly connected to one side of the box body.

[0008] As a further solution of the present invention: a support frame is fixedly connected to one side of the top of the mounting plate, the top of the support frame is rotatably connected to a fixed barrel, the surface of the fixed barrel is provided with a connecting rod capable of adjusting the height, and the bottom of the connecting rod is fixedly connected to a heating rod.

[0009] As a further solution of the present invention: a lifting groove is opened on one side of the fixed barrel, an electric telescopic rod is fixedly connected to the top of the fixed barrel, the output end of the electric telescopic rod passes through the fixed barrel and is fixedly connected to a sliding disk, a lifting groove is opened on the surface of the fixed barrel, and the inner surface of the lifting groove is slidably connected to the outer surface of the connecting rod.

[0010] As a further solution of the present invention: a servo motor is fixedly connected to the top of the mounting plate and located inside the support frame, and an output end of the servo motor passes through the support frame and is fixedly connected to the bottom of the fixed barrel.

[0011] As a further solution of the present invention: sliding bars are fixedly connected to the top of the mounting plate and on both sides of the through hole, sliding plates are provided on the top of the two sliding bars, sliding grooves that are adapted to the outer surface of the sliding bar are provided at the bottom of the sliding plate, and triangular blocks are symmetrically provided on one side of the sliding plate.

[0012] As a further solution of the present invention: a servo motor is fixedly connected to the other side of the top of the mounting plate, the output end of the servo motor is fixedly connected to a bidirectional threaded rod, and a threaded sleeve is fixedly connected to one side of the triangular block at the rear, and the inner surface of the threaded sleeve is threadedly connected to the outer surface of the bidirectional threaded rod.

[0013] As a further solution of the present invention: a sliding sleeve is fixedly connected to one side of the triangular block located on the front, a sliding rod is slidably connected between the inner surfaces of the two sliding sleeves, both ends of the sliding rod and one end of the bidirectional threaded rod are rotatably connected to a support plate, and the bottom of the support plate is fixedly connected to the top of the mounting plate.

[0014] Beneficial effects of the present invention:

[0015] (1) In the present invention, a feed trough is provided inside the mounting plate, and a limit groove is opened on the feed trough. By utilizing the extension and contraction of the pulling hydraulic cylinder, a plurality of shafts can be pulled into the top of the through hole, and then the shafts can be pushed by the pushing hydraulic cylinder, and the interior of the rotor can be heated by the heating rod, thereby realizing rapid assembly of the shafts and reducing the labor intensity of the staff.

[0016] (2) In the present invention, by arranging two sliding plates on the top of the mounting plate, and utilizing the threaded connection relationship between the bidirectional threaded rod at the output end of the servo motor and the threaded sleeve, the two sliding plates can be moved to the side that is relatively close to each other, and then combined with the inclined surface of the triangular block, the center hole of the rotor can be located above the through hole, and the blocking of the limit plate can ensure that the shaft body is located directly below the through hole, thereby ensuring that the shaft body can accurately pass through the interior of the rotor, further improving its assembly accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the external structure of the assembly equipment of the present invention;

[0019] Figure 2 It is a top cross-sectional view of the internal structure of the feeding trough in the present invention;

[0020] Figure 3 It is a schematic diagram of the external structure of the sliding plate in the present invention.

[0021] In the figure: 1. Box body; 2. Mounting plate; 3. Feed trough; 4. Pulling hydraulic cylinder; 5. Connecting block; 6. Sliding frame; 7. Feeding port; 8. Through hole; 9. Pushing hydraulic cylinder; 10. Limiting plate; 11. Limiting slot; 12. Through hole; 13. Support frame; 14. Rotating motor; 15. Fixed barrel; 16. Electric telescopic rod; 17. Sliding plate; 18. Lifting slot; 19. Connecting rod; 20. Heating rod; 21. Sliding bar; 22. Sliding plate; 23. Sliding slot; 24. Triangular block; 25. Servo motor; 26. Bidirectional threaded rod; 27. Threaded sleeve; 28. Sliding sleeve; 29. Sliding rod; 30. Support plate; 31. Horizontal plate. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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 any creative efforts shall fall within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 3As shown, the present invention is a built-in permanent magnet motor rotor assembly device, including a box body 1, a mounting plate 2 is fixedly connected to the top of the box body 1, a through hole 8 is opened through the top of the mounting plate 2, a feed trough 3 is fixedly connected between the two sides of the inner wall of the box body 1, and a feeding port 7 is opened on one side of the box body 1, and a pulling hydraulic cylinder 4 is fixedly connected to the inner wall of the mounting plate 2 and on both sides of the feeding trough 3. The pulling hydraulic cylinder 4 is electrically connected to an external power supply and controlled by a PLC controller, and a limiting groove 11 is opened on both sides of the feeding trough 3. The output ends of the two pulling hydraulic cylinders 4 are fixedly connected to a connecting block 5, and a sliding frame 6 is fixedly connected between the opposite sides of the two connecting blocks 5 and inside the limiting groove 11. A through hole 12 is opened through the bottom of the feeding trough 3, and a pushing hydraulic cylinder 9 is fixedly connected to the bottom of the inner cavity of the box body 1, and the output end of the pushing hydraulic cylinder 9 and inside the through hole 12 are fixedly connected to a top plate.

[0024] A limiting plate 10 is fixedly connected to the top of the feed trough 3 and below the through hole 8, and a horizontal plate 31 is fixedly connected to one side of the box body 1. When the shaft body is placed into the sliding frame 6, the shaft body can be pulled into the feed trough 3 and contact one side of the limiting plate 10 by shortening the pulling hydraulic cylinder 4. After the pushing hydraulic cylinder 9 pushes out the shaft body located at the through hole 12, the shaft body on the other side can be moved to the through hole 12 again by shortening the pulling hydraulic cylinder 4.

[0025] A support frame 13 is fixedly connected to one side of the top of the mounting plate 2, and a fixed barrel 15 is rotatably connected to the top of the support frame 13. A connecting rod 19 capable of adjusting the height is provided on the surface of the fixed barrel 15, and a heating rod 20 is fixedly connected to the bottom of the connecting rod 19. The heating rod 20 is electrically connected to an external power supply and can generate heat.

[0026] A lifting groove 18 is provided on one side of the fixed barrel 15, and an electric telescopic rod 16 is fixedly connected to the top of the fixed barrel 15. The output end of the electric telescopic rod 16 passes through the fixed barrel 15 and is fixedly connected to the sliding plate 17. A lifting groove 18 is provided on the surface of the fixed barrel 15. The inner surface of the lifting groove 18 is slidably connected to the outer surface of the connecting rod 19. The top of the mounting plate 2 and the interior of the support frame 13 are fixedly connected with a rotating motor 14. The output end of the rotating motor 14 passes through the support frame 13 and is fixedly connected to the bottom of the fixed barrel 15. Through the above structure, the heating rod 20 can be inserted into the interior of the iron core.

[0027] A sliding bar 21 is fixedly connected to the top of the mounting plate 2 and on both sides of the through hole 8. A sliding plate 22 is provided on the top of each of the two sliding bars 21. A sliding groove 23 adapted to the outer surface of the sliding bar 21 is provided at the bottom of the sliding plate 22. Triangular blocks 24 are symmetrically provided on one side of the sliding plate 22. When the four triangular blocks 24 are close to each other, the iron core can be located at the position of the through hole 8.

[0028] A servo motor 25 is fixedly connected to the other side of the top of the mounting plate 2, and a bidirectional threaded rod 26 is fixedly connected to the output end of the servo motor 25. A threaded sleeve 27 is fixedly connected to one side of the triangular block 24 at the rear, and the inner surface of the threaded sleeve 27 is threadedly connected to the outer surface of the bidirectional threaded rod 26.

[0029] A sliding sleeve 28 is fixedly connected to one side of the triangular block 24 on the front, and a sliding rod 29 is slidably connected between the inner surfaces of the two sliding sleeves 28. Both ends of the sliding rod 29 and one end of the bidirectional threaded rod 26 are rotatably connected to a support plate 30, and the bottom of the support plate 30 is fixedly connected to the top of the mounting plate 2.

[0030] The working principle of the present invention is as follows: first, the pulling hydraulic cylinder 4 is extended, and the sliding frame 6 is pushed to slide on the inner surface of the limiting groove 11 through the connecting block 5, so that the sliding frame 6 extends out from the feeding port 7, and then the shaft body is placed inside the sliding frame 6. At this time, the shaft body is pulled out of the feeding trough 3 from the horizontal plate 31 by shortening the pulling hydraulic cylinder 4, until the shaft body on one side of the sliding frame 6 contacts the inner surface of the limiting plate 10 and is located above the through hole 12. At this time, several iron cores are placed on the top of the mounting plate 2 and between the two sliding plates 22, and then the servo motor 25 is started to rotate, and the bidirectional threaded rod 26 is driven to rotate, and the threaded connection relationship between the threaded sleeve 27 and the bidirectional threaded rod 26 is utilized to bring The two sliding plates 22 are moved toward one side relatively close to each other on the surface of the sliding bar 21, and the triangular block 24 clamps the iron core. At this time, the rotating motor 14 is started to drive the fixed barrel 15 to rotate, so that the heating rod 20 is located directly above the iron core, and then the electric telescopic rod 16 is started to extend to push the sliding plate 17 to slide on the inner surface of the fixed barrel 15, further driving the heating rod 20 on the connecting rod 19 to be located inside the iron core, and then the heating rod 20 is connected to the external power supply to generate heat, thereby heating the inside of the iron core. After being heated to 180-200°C, the pushing hydraulic cylinder 9 is extended, so that the top plate passes the shaft through the through hole 8 and extends into the interior of the iron core.

[0031] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A built-in permanent magnet motor rotor assembly device, comprising a box (1), wherein a mounting plate (2) is fixedly connected to the top of the box (1), characterized in that: A through hole (8) is provided through the top of the mounting plate (2), a feeding trough (3) is fixedly connected between the two sides of the inner wall of the box body (1), a feeding port (7) is provided on one side of the box body (1), a pulling hydraulic cylinder (4) is fixedly connected to the inner wall of the mounting plate (2) and located on both sides of the feeding trough (3), a limiting groove (11) is provided on both sides of the feeding trough (3), the output ends of the two pulling hydraulic cylinders (4) are fixedly connected to a connecting block (5), a sliding frame (6) is fixedly connected between the opposite sides of the two connecting blocks (5) and located inside the limiting groove (11), a through hole (12) is provided through the bottom of the feeding trough (3), a pushing hydraulic cylinder (9) is fixedly connected to the bottom of the inner cavity of the box body (1), and the output end of the pushing hydraulic cylinder (9) and located inside the through hole (12) is fixedly connected to a top plate; A support frame (13) is fixedly connected to one side of the top of the mounting plate (2); a fixed barrel (15) is rotatably connected to the top of the support frame (13); a connecting rod (19) capable of adjusting the height is provided on the surface of the fixed barrel (15); a heating rod (20) is fixedly connected to the bottom of the connecting rod (19); A lifting groove (18) is provided on one side of the fixed barrel (15), an electric telescopic rod (16) is fixedly connected to the top of the fixed barrel (15), an output end of the electric telescopic rod (16) passes through the fixed barrel (15) and is fixedly connected to a sliding plate (17), a lifting groove (18) is provided on the surface of the fixed barrel (15), and the inner surface of the lifting groove (18) is slidably connected to the outer surface of the connecting rod (19); The top of the mounting plate (2) and on both sides of the through hole (8) are fixedly connected with sliding bars (21), the tops of the two sliding bars (21) are provided with sliding plates (22), the bottoms of the sliding plates (22) are provided with sliding grooves (23) adapted to the outer surfaces of the sliding bars (21), and one side of the sliding plate (22) is symmetrically provided with triangular blocks (24); A servo motor (25) is fixedly connected to the other side of the top of the mounting plate (2), and a bidirectional threaded rod (26) is fixedly connected to the output end of the servo motor (25). A threaded sleeve (27) is fixedly connected to one side of the triangular block (24) at the rear, and the inner surface of the threaded sleeve (27) is threadedly connected to the outer surface of the bidirectional threaded rod (26).

2. The interior permanent magnet motor rotor assembly equipment according to claim 1, characterized in that: A limiting plate (10) is fixedly connected to the top of the feeding trough (3) and below the through hole (8), and a horizontal plate (31) is fixedly connected to one side of the box body (1).

3. The interior permanent magnet motor rotor assembly equipment according to claim 1, characterized in that: A rotating motor (14) is fixedly connected to the top of the mounting plate (2) and located inside the support frame (13); an output end of the rotating motor (14) passes through the support frame (13) and is fixedly connected to the bottom of the fixed barrel (15).

4. The interior permanent magnet motor rotor assembly equipment according to claim 1, characterized in that: A sliding sleeve (28) is fixedly connected to one side of the triangular block (24) located on the front side, and a sliding rod (29) is slidably connected between the inner surfaces of the two sliding sleeves (28). Both ends of the sliding rod (29) and one end of the bidirectional threaded rod (26) are rotatably connected to a support plate (30), and the bottom of the support plate (30) is fixedly connected to the top of the mounting plate (2).

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