Rotor integrated magnetizing tool

Abstract

The utility model relates to the technical field of rotor magnetic steel magnetizing, in particular to a rotor integrated magnetizing tool which comprises a machine frame, a fixing frame is arranged on the machine frame, a vertically-through containing groove is formed in the upper end face of the fixing frame, and a positioning block is arranged on the inner side wall of the upper portion of the containing groove. A main magnetizing coil located in the containing groove is arranged below the positioning block, the main magnetizing coil is connected with a power source, a lifting piece connected with the rack is arranged below the containing groove, a guide column is connected to the upper end of the lifting piece, and the lifting piece is used for controlling the guide column to go in and out of the containing groove in a lifting and moving mode. The guide pillar is provided with a guide hole for placing the rotor body, the rotor body is provided with a plurality of main magnetic steels at equal angles, and a positioning groove matched with the positioning block is arranged between two adjacent main magnetic steels, so that the magnetizing of the auxiliary main magnetic steels is realized, and the production efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotor magnetic steel magnetization, in particular to a rotor integrated magnetization tooling. Background Art

[0002] Rotor magnetization is widely used in various motors and generators. Through the magnetization operation, a magnetic field can be provided for the rotor, enabling it to interact with the stator and thus operate normally. The magnetization operation improves the efficiency of the motor and reduces the loss of reactive power.

[0003] In the process of installing magnetic steel on the rotor of the motor, the magnetic steel is generally magnetized first and then the magnetized magnetic steel is assembled on the rotor.

[0004] For example, on May 17, 2022, a patent with announcement number CN112259324B, entitled "A patent for a magnetic steel pre-magnetization device", was disclosed, including a base, a support plate is fixed on one side of the base near the top, a pushing structure for driving the magnetic steel is arranged on one side of the fixed plate corresponding to the vibration disk, and a conveying structure for driving the magnetic steel after magnetization is arranged on the side of the fixed plate away from the vibration disk. The device can automatically magnetize and store the magnetic steel, which can effectively avoid manual storage of the magnetic steel; however, in the above documents, the magnetic steel is magnetized first, and then the magnetized magnetic steel is bonded to the rotor. The reliability of the magnetic pole bonded to the rotor is not high, which may easily cause polarity errors of the auxiliary magnetic steel, thereby reducing production efficiency and quality. Summary of the invention

[0005] In view of this, the purpose of the utility model is to provide a rotor integrated magnetizing tooling to solve the problems of low production efficiency and quality.

[0006] Based on the above purpose, the utility model provides a rotor integrated magnetizing tooling, including a frame, a fixing frame is arranged on the frame, a placement slot that runs through from top to bottom is opened on the upper end surface of the fixing frame, at least one positioning block is arranged on the upper inner side wall of the placement slot, a main magnetizing coil located in the placement slot is arranged below the positioning block, the main magnetizing coil is arranged coaxially with the placement slot, the main magnetizing coil is connected to a power supply located on the frame, a lifting member connected to the frame is arranged below the placement slot, a guide column is connected to the upper end of the lifting member, the lifting member is used to control the guide column to move up and down in and out of the placement slot, a guide hole for placing a rotor body is opened on the guide column, a plurality of main magnetic steels are arranged at equal angles on the rotor body, and a positioning slot that cooperates with the positioning block is arranged between two adjacent main magnetic steels;

[0007] During magnetization, when the rotor body is inserted into the placement slot, the positioning slot and the positioning block are matched, and the positioning slot slides downward along the limitation of the positioning block into the main magnetization coil, and the power supply charges the main magnetization coil, and then the main magnetization coil magnetizes the main magnetic steel located therein.

[0008] Optionally, a Hall magnetizing coil located in the placement slot is arranged below the main magnetizing coil, the Hall magnetizing coil is coaxially arranged with the placement slot, the Hall magnetizing coil is connected to a power supply, and a Hall magnet located below the main magnet is arranged on the rotor body. When the rotor body is placed on the guide column, the Hall magnet is located in the Hall magnetizing coil.

[0009] Optionally, the upper and lower end surfaces of the Hall magnetization coil are both provided with baffles connected to the fixing frame, and the baffle is provided with a first hole with the same inner diameter as the Hall magnetization coil, and the baffle on the upper end surface of the Hall magnetization coil is located between the Hall magnetization coil and the main magnetization coil.

[0010] Optionally, the inner diameter of the first hole on the baffle is smaller than the inner diameter of the main magnetizing coil, so as to facilitate the baffle to support the main magnetic steel on the rotor body.

[0011] Optionally, a connecting plate connected to the fixing frame is provided on the upper end surface of the main magnetizing coil, and a second hole with the same inner diameter as the main magnetizing coil is provided on the connecting plate, so that the connection between the main magnetizing coil and the fixing frame is strengthened by the connecting plate.

[0012] Optionally, a guide plate is provided at the upper end of the positioning block, and the cross-sectional shape of the guide plate is a trapezoid, a triangle or a convex arc.

[0013] Optionally, at least one rubber ring is attached to the inner side wall of the guide hole.

[0014] Optionally, the lifting member is a driving cylinder, and the telescopic end of the driving cylinder is connected to the guide column.

[0015] The beneficial effects of the utility model are as follows: the utility model provides a rotor integrated magnetizing tooling. During magnetization, the positioning groove on the rotor body is manually aligned with the positioning block in the placement groove and inserted therein, the positioning groove on the rotor body slides downward along the restriction of the positioning block into the main magnetizing coil, the rotor body is placed on the guide column through the placement groove, the guide hole on the guide column supports the rotor body in a limited position, the power supply charges the main magnetizing coil, and then the main magnetizing coil magnetizes the main magnetic steel located therein, thereby assisting the magnetization of the main magnetic steel and improving production efficiency and quality. After the magnetization is completed, the lifting part is started to move the guide column and the rotor body restricted thereon upward, so that the rotor body extends out of the placement groove, and the rotor body after magnetization can be manually taken out at this time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a partial top view structural schematic diagram of the magnetic field generated by the main magnetizing coil and the Hall magnetizing coil during magnetization of the utility model;

[0019] Figure 3 It is a schematic structural diagram of the rotor body of the utility model;

[0020] Figure 4 It is a schematic diagram of a partial structure of the utility model from a top view.

[0021] In the figure: 1. frame; 2. fixing frame; 3. placement slot; 4. positioning block; 5. main magnetizing coil; 6. Hall magnetizing coil; 7. baffle; 8. connecting plate; 9. driving cylinder; 10. guide column; 11. guide hole; 12. rotor body; 13. main magnet; 14. Hall magnet; 15. positioning slot. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0023] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] like Figures 1 to 4As shown, a rotor integrated magnetizing tooling comprises a frame 1, a fixing frame 2 is arranged on the frame 1, a placement slot 3 penetrating from top to bottom is provided on the upper end surface of the fixing frame 2, at least one positioning block 4 is provided on the upper inner side wall of the placement slot 3, a main magnetizing coil 5 located in the placement slot 3 is provided below the positioning block 4, the main magnetizing coil 5 is coaxially arranged with the placement slot 3, the main magnetizing coil 5 is connected to a power supply located on the frame 1, a lifting member connected to the frame 1 is provided below the placement slot 3, a guide column 10 is connected to the upper end of the lifting member, the lifting member is used to control the guide column 10 to move up and down in and out of the placement slot 3, a guide hole 11 for placing a rotor body 12 is provided on the guide column 10, the guide hole 11 is provided with a limiting cooperation with the rotor body 12, a plurality of main magnetic steels 13 are provided at equal angles on the rotor body 12, and a positioning slot 15 cooperated with the positioning block 4 is provided between two adjacent main magnetic steels 13;

[0025] During magnetization, when the rotor body 12 is inserted into the placement slot 3, the positioning slot 15 is matched with the positioning block 4, and the positioning slot 15 slides downward along the limit of the positioning block 4 into the main magnetization coil 5, and the power supply charges the main magnetization coil 5, and then the main magnetization coil 5 magnetizes the main magnetic steel 13 located therein. After the magnetization is completed, the lifting part starts to move the guide column 10 and the rotor body 12 restricted thereon upward, so that the rotor body 12 extends out of the placement slot 3. At this time, the rotor body 12 after magnetization can be taken out manually to realize the magnetization of the auxiliary main magnetic steel 13 and improve the production efficiency and quality.

[0026] A Hall magnetizing coil 6 located in the placement slot 3 is arranged below the main magnetizing coil 5. The Hall magnetizing coil 6 is coaxially arranged with the placement slot 3 and is connected to a power supply. A Hall magnet 14 located below the main magnet 13 is arranged on the rotor body 12. When the rotor body 12 is placed on the guide column 10, the Hall magnet 14 is located in the Hall magnetizing coil 6. The power supply charges the Hall magnetizing coil 6, and then the Hall magnetizing coil 6 magnetizes the Hall magnet 14 located therein.

[0027] The upper and lower end surfaces of the Hall magnetizing coil 6 are both provided with baffles 7 connected to the fixing frame 2, and the baffle 7 is provided with a first hole with the same inner diameter as the Hall magnetizing coil 6. The baffle 7 on the upper end surface of the Hall magnetizing coil 6 is located between the Hall magnetizing coil 6 and the main magnetizing coil 5, so as to facilitate better connection between the Hall magnetizing coil 6 and the main magnetizing coil 5 and the fixing frame 2 through the baffle 7.

[0028] The baffle 7 is an insulating plate to prevent the main magnetizing coil 5 and the Hall magnetizing coil 6 from affecting each other.

[0029] The inner diameter of the first hole on the baffle plate 7 is smaller than the inner diameter of the main magnetizing coil 5 , so that the baffle plate 7 can support the main magnetic steel 13 on the rotor body 12 more conveniently.

[0030] A connecting plate 8 connected to the fixing frame 2 is disposed on the upper end surface of the main magnetizing coil 5 , and a second hole having the same inner diameter as that of the main magnetizing coil 5 is disposed on the connecting plate 8 , so that the connection between the main magnetizing coil 5 and the fixing frame 2 is strengthened by the connecting plate 8 .

[0031] A guide plate is disposed at the upper end of the positioning block 4 , and the cross-sectional shape of the guide plate is trapezoidal, triangular or convex arc-shaped, etc. The provision of the guide plate facilitates the acceleration of the matching between the positioning block 4 and the positioning groove 15 .

[0032] At least one rubber ring is attached to the inner wall of the guide hole 11 . The rubber ring facilitates the rotor body 12 to be inserted into the guide hole 11 more stably. The friction between the rubber ring and the rotor body 12 improves the limiting effect of the guide hole 11 on the rotor body 12 .

[0033] In order to facilitate the control of the guide column 10 and the rotor body 12 placed thereon to move up and down, the lifting member may be a driving cylinder 9 , and the telescopic end of the driving cylinder 9 is connected to the guide column 10 .

[0034] Among them, the lifting component is replaceable, and the lifting component can include a lifting motor, the output end of the lifting motor is connected to a screw, a ball is arranged on the screw, a guide column 10 is connected to the ball through a connecting tube, a limiting rod parallel to the screw is arranged on one side of the screw, and a sliding sleeve block fixedly connected to the screw is slidably connected to the limiting rod.

[0035] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0036] The embodiments of the present invention are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rotor integrated magnetizing tool, comprising a frame (1), characterized in that: The frame (1) is provided with a fixing frame (2), the upper end surface of the fixing frame (2) is provided with a placement groove (3) which passes through from top to bottom, the upper inner wall of the placement groove (3) is provided with at least one positioning block (4), a main magnetizing coil (5) located in the placement groove (3) is provided below the positioning block (4), the main magnetizing coil (5) is coaxially arranged with the placement groove (3), the main magnetizing coil (5) is connected to a power supply located on the frame (1), a lifting member connected to the frame (1) is provided below the placement groove (3), a guide column (10) is connected to the upper end of the lifting member, and the lifting member is used to control the guide column (10) to move up and down in and out of the placement groove (3), a guide hole (11) for placing the rotor body (12) is provided on the guide column (10), a plurality of main magnetic steels (13) are arranged at equal angles on the rotor body (12), and a positioning groove (15) is arranged between two adjacent main magnetic steels (13) and is arranged in cooperation with the positioning block (4); during magnetization, when the rotor body (12) is inserted into the placement groove (3), the positioning groove (15) is arranged in cooperation with the positioning block (4), and the positioning groove (15) slides downward along the limitation of the positioning block (4) into the main magnetization coil (5), and the power supply charges the main magnetization coil (5), and then the main magnetization coil (5) magnetizes the main magnetic steel (13) located therein.

2. The rotor integrated magnetizing tooling according to claim 1, characterized in that: A Hall magnetizing coil (6) located in the placement slot (3) is arranged below the main magnetizing coil (5); the Hall magnetizing coil (6) and the placement slot (3) are arranged coaxially; the Hall magnetizing coil (6) is connected to a power supply; a Hall magnet (14) located below the main magnet (13) is arranged on the rotor body (12); when the rotor body (12) is placed on the guide column (10), the Hall magnet (14) is located in the Hall magnetizing coil (6).

3. The rotor integrated magnetizing tooling according to claim 2, characterized in that: The upper end surface and the lower end surface of the Hall magnetizing coil (6) are both provided with a baffle (7) connected to the fixing frame (2), and the baffle (7) is provided with a first hole having the same inner diameter as the Hall magnetizing coil (6), and the baffle (7) on the upper end surface of the Hall magnetizing coil (6) is located between the Hall magnetizing coil (6) and the main magnetizing coil (5).

4. The rotor integrated magnetizing tooling according to claim 3, characterized in that: The inner diameter of the first hole on the baffle (7) is smaller than the inner diameter of the main magnetizing coil (5).

5. The rotor integrated magnetizing tooling according to claim 1, characterized in that: The upper end surface of the main magnetizing coil (5) is provided with a connecting plate (8) connected to the fixing frame (2), and the connecting plate (8) is provided with a second hole having the same inner diameter as the main magnetizing coil (5).

6. The rotor integrated magnetizing tooling according to claim 1, characterized in that: A guide plate is provided at the upper end of the positioning block (4), and the cross-sectional shape of the guide plate is a trapezoid, a triangle or a convex arc.

7. The rotor integrated magnetizing tooling according to claim 1, characterized in that: At least one rubber ring is attached to the inner wall of the guide hole (11).

8. The rotor integrated magnetizing tooling according to claim 1, characterized in that: The lifting member is a driving cylinder (9), and the telescopic end of the driving cylinder (9) is connected to the guide column (10).

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