Anti-pressure-loss magnetic steel inserting device for rotor of permanent magnet motor

Abstract

The utility model discloses a permanent magnet motor rotor magnetic steel insertion device capable of preventing pressure loss, which relates to the technical field of permanent magnet motor assembly and comprises a positioning table and an auxiliary assembly, a connecting ring is arranged on the outer side of the positioning table, and the auxiliary assembly used for preventing magnetic steel insertion pressure loss deformation is arranged above the positioning table. And the auxiliary assembly comprises an auxiliary frame, an inner side groove, an auxiliary roller, a connecting plate, a mounting plate, a first hydraulic rod and a pushing and pressing plate, the inner side groove is formed in the inner wall of the auxiliary frame, the auxiliary roller is mounted in the inner side groove, the connecting plate is mounted on the outer surface of the auxiliary frame, and the top of the connecting plate is connected with the mounting plate. According to the pressure-loss-preventing permanent magnet motor rotor magnetic steel inserting device, the auxiliary frame plays a role in external limiting outside the magnetic steel, the situation that the magnetic steel deforms and influences the installation effect when the first hydraulic rod and the pushing and pressing plate press down and install the magnetic steel is avoided, the auxiliary roller plays a role in improving the movement fluency of the magnetic steel when the magnetic steel is pressed down and inserted, and the magnetic steel inserting efficiency is improved. And the connecting plate plays a role in hoisting and limiting the auxiliary frame.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motor assembly, in particular to a permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss. Background Art

[0002] Permanent magnet motors refer to motors that use permanent magnets and do not require excitation. Compared with ordinary motors, permanent magnet motors have the performance characteristics of high power density, small characteristic signals, simple structure, reliable operation, flexible and diverse motor sizes and shapes, etc. With the maturity of permanent magnet motor technology, permanent magnet motors have been widely used in various fields such as household appliances, medical equipment, automobiles, and aviation. In the assembly process of permanent magnet motors, the assembly of rotor components mainly includes the lamination of rotor punchings, the insertion of magnetic steel, the installation of front and rear bearings, and the installation of front and rear bearing inner covers.

[0003] However, the existing permanent magnet motor rotor magnet insertion device needs to provide pressure to insert the magnet when inserting it. The external force directly acts on the magnet, which may cause the risk of deformation of the magnet during installation, affecting the installation effect.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a permanent magnet motor rotor magnetic steel insertion device is provided to prevent pressure loss. Utility Model Content

[0005] The utility model aims to provide a permanent magnet motor rotor magnetic steel insertion device which can prevent pressure loss, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss, comprising a positioning platform and an auxiliary component, a connecting ring is arranged on the outer side of the positioning platform, the auxiliary component for preventing the magnetic steel from being inserted and deformed due to pressure loss is arranged above the positioning platform, and the auxiliary component comprises an auxiliary frame, an inner groove, an auxiliary roller, a connecting plate, a mounting plate, a hydraulic rod 1 and a push plate, an inner groove is opened on the inner wall of the auxiliary frame, and an auxiliary roller is installed inside the inner groove, a connecting plate is installed on the outer surface of the auxiliary frame, and the top of the connecting plate is connected to the mounting plate, a hydraulic rod 1 is installed at the lower end of the mounting plate, and a push plate is installed at the output end of the hydraulic rod 1.

[0007] Furthermore, a positioning hole is provided on the surface of the connecting ring, and a positioning component for clamping and positioning the rotor is provided on the lower surface of the connecting ring.

[0008] Furthermore, a control board is connected to the side of the mounting plate, and a screw rod 1 is installed in the middle of the control board. Limiting grooves are provided on both sides of the control board, and a support frame is provided inside the limiting grooves.

[0009] Furthermore, a control rod is connected to the outer side of the connecting ring, and a hydraulic rod 2 is installed in the middle of the lower end of the control rod.

[0010] Furthermore, a limiting hole is provided on the surface of the control rod, and a limiting rod is arranged inside the limiting hole.

[0011] Furthermore, the positioning assembly includes a movable groove and a second screw rod, and the second screw rod is installed inside the movable groove.

[0012] Furthermore, the positioning assembly also includes a movable block and a positioning plate. The movable block is arranged outside the second screw rod, and the lower end of the movable block is connected to the positioning plate.

[0013] Furthermore, the fixed end of the second hydraulic rod is connected to a base, and an electromagnetic suction plate is installed in the middle of the surface of the base.

[0014] The utility model provides a permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss, which has the following beneficial effects:

[0015] 1. The utility model uses the auxiliary frame to play the role of external limit on the outside of the magnetic steel, so as to avoid deformation of the magnetic steel when the hydraulic rod and the push plate are pressed down to install the magnetic steel, thereby affecting the installation effect. The auxiliary roller increases the smoothness of the movement of the magnetic steel when the magnetic steel is pressed down and inserted, and the connecting plate plays the role of lifting limit on the auxiliary frame.

[0016] 2. The utility model drives the control board and the auxiliary components as a whole through the motor-driven screw rod 1, so that the auxiliary frame and the positioning hole are aligned, the accuracy of the magnetic steel installation is increased, the limit groove increases the stability of the control board movement, the hydraulic rod 2 controls the height movement of the positioning platform through telescopic control, and it is convenient for the lower end of the positioning platform and the top of the rotor to fit together, the screw rod 2 is driven by the motor to control the movement of the movable block and the positioning plate, the movable groove provides the moving space and enables the movable block to be directional adjusted at the same time, thereby increasing the adjustment stability, and the six groups of positioning plates are equidistantly distributed on the outside of the rotor to clamp and limit it. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to the utility model;

[0018] Figure 2 This is a schematic diagram of the auxiliary component structure of a permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the structure of a positioning component of a permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss.

[0020] In the figure: 1. positioning table; 2. connecting ring; 3. positioning hole; 4. auxiliary component; 401. auxiliary frame; 402. inner groove; 403. auxiliary roller; 404. connecting plate; 405. mounting plate; 406. hydraulic rod one; 407. pushing plate; 5. control plate; 6. screw rod one; 7. limiting groove; 8. supporting frame; 9. control rod; 10. hydraulic rod two; 11. limiting hole; 12. limiting rod; 13. positioning component; 1301. movable groove; 1302. screw rod two; 1303. movable block; 1304. positioning plate; 14. base; 15. electromagnetic suction plate. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] like Figure 1 As shown, a permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss includes a positioning platform 1 and an auxiliary component 4. A connecting ring 2 is arranged on the outer side of the positioning platform 1, and a positioning hole 3 is opened on the surface of the connecting ring 2. A control board 5 is connected to the side of the mounting plate 405, and a screw rod 6 is installed in the middle of the control board 5. The screw rod 6 is driven by the motor to drive the control board 5 and the auxiliary component 4 to move as a whole, so that the auxiliary frame 401 is aligned with the positioning hole 3, thereby increasing the accuracy of the magnetic steel installation. Limiting grooves 7 are opened on both sides of the control board 5, and the limiting grooves 7 increase the accuracy of the magnetic steel installation. The stability of the movement of the control plate 5 is increased, and a support frame 8 is arranged on the inner side of the limit groove 7, a control rod 9 is connected to the outer side of the connecting ring 2, and a hydraulic rod 10 is installed in the middle of the lower end of the control rod 9. The hydraulic rod 10 controls the height movement of the positioning platform 1 by telescopic control, so that the lower end of the positioning platform 1 and the top of the rotor are conveniently fitted. A limit hole 11 is opened on the surface of the control rod 9, and a limit rod 12 is arranged inside the limit hole 11. The fixed end of the hydraulic rod 10 is connected to a base 14, and an electromagnetic suction plate 15 is installed in the middle of the surface of the base 14.

[0023] like Figure 2As shown, the auxiliary component 4 for preventing the magnetic steel from being deformed due to pressure loss during insertion is arranged above the positioning platform 1, and the auxiliary component 4 includes an auxiliary frame 401, an inner groove 402, an auxiliary roller 403, a connecting plate 404, a mounting plate 405, a hydraulic rod 406 and a push plate 407. The inner wall of the auxiliary frame 401 is provided with an inner groove 402, and the auxiliary frame 401 plays the role of an external limit on the outside of the magnetic steel to prevent the magnetic steel from being deformed when the hydraulic rod 406 and the push plate 407 are pressed down to install the magnetic steel. Auxiliary rollers 403 are installed inside the inner groove 402 to increase the smoothness of the movement of the magnetic steel when the magnetic steel is pressed down for insertion. A connecting plate 404 is installed on the outer surface of the auxiliary frame 401 to limit the position of the auxiliary frame 401 during lifting. A mounting plate 405 is connected to the top of the connecting plate 404. A hydraulic rod 406 is installed at the lower end of the mounting plate 405, and a push plate 407 is installed at the output end of the hydraulic rod 406.

[0024] like Figure 3 As shown, the lower surface of the connecting ring 2 is provided with a positioning assembly 13 for clamping and positioning the rotor, the positioning assembly 13 includes a movable groove 1301 and a screw rod 1302, and the screw rod 1302 is installed inside the movable groove 1301. The movable groove 1301 provides a moving space and enables the movable block 1303 to be directional adjusted to increase the adjustment stability. The positioning assembly 13 also includes a movable block 1303 and a positioning plate 1304. The movable block 1303 is arranged outside the screw rod 1302. The screw rod 1302 is driven by a motor to control the movement of the movable block 1303 and the positioning plate 1304, and the lower end of the movable block 1303 is connected to the positioning plate 1304. Six groups of positioning plates 1304 are equidistantly distributed on the outside of the rotor to clamp and limit it.

[0025] In summary, the permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss is firstly based on Figure 1-Figure 3The structure shown in the figure is to place the rotor to be installed on the electromagnetic suction plate 15 on the base 14, and control the six sets of screw rods 1302 to rotate at the same time, control the six sets of movable blocks 1303 and positioning plates 1304 to move at the same time to position and clamp the outer side of the rotor. At the same time, the six positioning plates 1304 will push the rotor to fine-tune its center position and the positioning platform 1 to be at the same position during the clamping movement. Then, the hydraulic rod 10 is controlled to control the height movement of the positioning platform 1 through telescopic control, so that the lower end of the positioning platform 1 and the top of the rotor fit together. At this time, the personnel rotate the rotor again to make its magnetic steel hole coincide with the positioning hole 3. After alignment, the electromagnetic suction plate 15 is pressed against the rotor. The magnet is adsorbed, and the positioning plate 1304 further increases the stability on the outside of the rotor. When installing the magnet, the magnet is placed in the auxiliary frame 401, and the motor at the end of the screw rod 6 is turned on to drive the auxiliary component 4 to move downward as a whole, and move it down to the auxiliary frame 401 to align with the positioning hole 3, and then the hydraulic rod 406 is controlled to drive the push plate 407 to press down and install the magnet into the magnet hole. At this time, the auxiliary frame 401 plays the role of an external limit on the outside of the magnet to avoid deformation of the magnet when the hydraulic rod 406 and the push plate 407 are pressed down to install the magnet, affecting the installation effect, and the auxiliary roller 403 increases the smoothness of the movement of the magnet when the magnet is pressed down and inserted.

[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss, comprising a positioning platform (1) and an auxiliary component (4), characterized in that: A connecting ring (2) is arranged on the outer side of the positioning platform (1); the auxiliary component (4) for preventing magnetic steel from being inserted and deformed due to pressure loss is arranged above the positioning platform (1); and the auxiliary component (4) comprises an auxiliary frame (401), an inner groove (402), an auxiliary roller (403), a connecting plate (404), a mounting plate (405), a hydraulic rod (406) and a push plate (407); an inner groove (402) is provided on the inner wall of the auxiliary frame (401); an auxiliary roller (403) is installed inside the inner groove (402); a connecting plate (404) is installed on the outer surface of the auxiliary frame (401); a mounting plate (405) is connected to the top of the connecting plate (404); a hydraulic rod (406) is installed at the lower end of the mounting plate (405); and a push plate (407) is installed at the output end of the hydraulic rod (406).

2. A permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to claim 1, characterized in that: A positioning hole (3) is provided on the surface of the connecting ring (2), and a positioning component (13) for clamping and positioning the rotor is provided on the lower surface of the connecting ring (2).

3. The permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to claim 1, characterized in that: The side of the mounting plate (405) is connected to a control plate (5), and a screw rod (6) is installed in the middle of the control plate (5). Limiting grooves (7) are provided on both sides of the control plate (5), and a support frame (8) is provided inside the limiting grooves (7).

4. The permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to claim 1, characterized in that: The outer side of the connecting ring (2) is connected to a control rod (9), and a hydraulic rod 2 (10) is installed in the middle of the lower end of the control rod (9).

5. A permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to claim 4, characterized in that: A limiting hole (11) is provided on the surface of the control rod (9), and a limiting rod (12) is arranged inside the limiting hole (11).

6. The permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to claim 2, characterized in that: The positioning assembly (13) comprises a movable groove (1301) and a second screw rod (1302), and the second screw rod (1302) is installed inside the movable groove (1301).

7. A permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to claim 6, characterized in that: The positioning assembly (13) further comprises a movable block (1303) and a positioning plate (1304); the movable block (1303) is arranged outside the second screw rod (1302), and the lower end of the movable block (1303) is connected to the positioning plate (1304).

8. The permanent magnet motor rotor magnetic steel insertion device for preventing pressure loss according to claim 4, characterized in that: The fixed end of the second hydraulic rod (10) is connected to a base (14), and an electromagnetic suction plate (15) is installed in the middle of the surface of the base (14).

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