Synchronous motor main shaft rotor structure

Abstract

The utility model discloses a synchronous motor main shaft rotor structure, which comprises a rotor body, a stator body and stator teeth, a plurality of lightening holes are arranged in the rotor body, heat dissipation holes are arranged in the rotor body, a first reinforcing ring is arranged on the inner wall of the rotor body, a high-temperature-resistant layer is arranged on the outer wall of the first reinforcing ring, and the high-temperature-resistant layer is arranged on the outer wall of the first reinforcing ring. A first high-temperature binder is arranged on the outer wall of the high-temperature-resistant layer, a reinforcing layer is arranged on the outer wall of the first high-temperature binder, H-shaped reinforcing ribs are arranged in the reinforcing layer, a second high-temperature binder is arranged on the outer wall of the reinforcing layer, and a second reinforcing ring is arranged on the outer wall of the second high-temperature binder. A plurality of rotor teeth are installed on the outer wall of the rotor body, a plurality of rotor windings are arranged on the outer walls of the rotor teeth, the reinforcing layer is adopted in the rotor body, H-shaped reinforcing ribs are adopted in the reinforcing layer, the compression resistance is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of motor main shaft rotors, in particular to a synchronous motor main shaft rotor structure. Background Art

[0002] High-speed spindle rotors are mainly used in ultra-precision machine tools. At present, when the spindle rotor rotates at high speed, there is relative motion between it and the surrounding fluid, which will be subject to friction resistance from the fluid. In addition, the spindle rotor will also drive part of the fluid around it to move, which will greatly affect the smoothness of the spindle rotor's movement. Reducing the wind resistance during the movement of the spindle rotor and improving the smoothness of the spindle rotor's movement is a basic requirement.

[0003] However, the existing synchronous motor spindle rotor structure has the following problems during use: the strength and high temperature resistance of the traditional spindle rotor are poor during use, so that the service life is not long when used for a long time. Utility Model Content

[0004] The purpose of the utility model is to provide a synchronous motor main shaft rotor structure to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a synchronous motor main shaft rotor structure, comprising a rotor body, a stator body and stator teeth, the interior of the rotor body being provided with a plurality of weight-reducing holes, the interior of the rotor body being provided with heat dissipation holes, the inner wall of the rotor body being provided with a first reinforcement ring, and the outer wall of the first reinforcement ring being provided with a high-temperature resistant layer, the outer wall of the high-temperature resistant layer being provided with a first high-temperature adhesive, and the outer wall of the first high-temperature adhesive being provided with a reinforcement layer, the interior of the reinforcement layer being provided with H-shaped reinforcement ribs, the outer wall of the reinforcement layer being provided with a second high-temperature adhesive, and the outer wall of the second high-temperature adhesive being provided with a second reinforcement ring, the outer wall of the rotor body being provided with a plurality of rotor teeth, and the outer wall of the rotor teeth being provided with a plurality of rotor windings.

[0006] The technical solution provides a synchronous motor main shaft rotor structure, wherein the outer wall of the rotor body is provided with a stator body, and the inner wall of the stator body is provided with a plurality of stator teeth.

[0007] The technical solution provides a synchronous motor main shaft rotor structure, wherein a plurality of stator windings are installed on the inner wall of the stator teeth.

[0008] The technical solution provides a synchronous motor main shaft rotor structure, wherein the first high-temperature adhesive and the second high-temperature adhesive are made of polyimide material.

[0009] The technical solution provides a synchronous motor main shaft rotor structure, wherein the high temperature resistant layer is made of glass fiber reinforced plastic.

[0010] Compared with the prior art, the utility model provides a synchronous motor main shaft rotor structure, which has the following beneficial effects:

[0011] 1. The utility model adopts an internal reinforcement layer at the rotor body, and H-shaped reinforcement ribs are used inside the reinforcement layer to increase the compression resistance and extend the service life.

[0012] 2. The utility model adopts a high temperature resistant layer and a second reinforcement ring at the first reinforcement ring, and increases the strength and insulation performance by adding glass fiber reinforced plastics and polyimide. It is resistant to high temperatures and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main structure of the rotor body and the weight-reducing holes of the utility model;

[0015] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotor body and the weight-reducing holes of the utility model.

[0017] In the figure: 1. rotor body; 2. weight reduction hole; 3. heat dissipation hole; 4. first reinforcement ring; 5. high temperature resistant layer; 6. stator body; 7. stator teeth; 8. stator winding; 9. first high temperature adhesive; 10. reinforcement layer; 11. reinforcement ribs; 12. second high temperature adhesive; 13. second reinforcement ring; 14. rotor teeth; 15. rotor winding. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1, as Figure 1-2As shown, the utility model provides a technical solution: a synchronous motor main shaft rotor structure, including a rotor body 1, a stator body 6 and stator teeth 7, a plurality of weight reduction holes 2 are opened inside the rotor body 1, a heat dissipation hole 3 is opened inside the rotor body 1, a first reinforcement ring 4 is installed on the inner wall of the rotor body 1, and a high temperature resistant layer 5 is arranged on the outer wall of the first reinforcement ring 4, a first high temperature adhesive 9 is arranged on the outer wall of the high temperature resistant layer 5, a reinforcement layer 10 is arranged on the outer wall of the first high temperature adhesive 9, and an H-shaped reinforcement rib 11 is arranged inside the reinforcement layer 10, the high temperature resistant layer 5 is made of glass fiber reinforced plastic material, the reinforcement layer 10 is adopted inside the rotor body 1, and the H-shaped reinforcement rib 11 is adopted inside the reinforcement layer 10, so as to increase the pressure resistance and extend the service life.

[0020] Embodiment 2, as Figure 1-4 As shown, the utility model provides a technical solution: a synchronous motor main shaft rotor structure, including a reinforcing layer 10 whose outer wall is provided with a second high temperature adhesive 12, and the outer wall of the second high temperature adhesive 12 is provided with a second reinforcing ring 13, a rotor body 1 whose outer wall is provided with a plurality of rotor teeth 14, and the outer wall of the rotor teeth 14 is provided with a plurality of rotor windings 15, a stator body 6 is provided on the outer wall of the rotor body 1, and a plurality of stator teeth 7 are provided on the inner wall of the stator body 6, and a plurality of stator windings 8 are provided on the inner wall of the stator teeth 7, the first high temperature adhesive 9 and the second high temperature adhesive 12 are made of polyimide material, a high temperature resistant layer 5 and a second reinforcing ring 13 are used at the first reinforcing ring 4, and the strength and insulation performance are improved by adding glass fiber reinforced plastics and polyimide, and the high temperature resistance is achieved, thereby extending the service life.

[0021] Working principle: First, a plurality of weight-reducing holes 2 and heat dissipation holes 3 are opened at the rotor body 1, so that the rotor body 1 can be shock-absorbing and heat-dissipating, and the rotor body 1 adopts an internal reinforcement layer 10, and the interior of the reinforcement layer 10 adopts H-shaped reinforcement ribs 11 to increase the compressive performance and extend the service life. The first reinforcement ring 4 adopts a high-temperature resistant layer 5 and a second reinforcement ring 13, and the strength and insulation performance are improved by adding fiberglass and polyimide, and it is resistant to high temperatures and extends the service life.

[0022] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A synchronous motor main shaft rotor structure, comprising a rotor body (1), a stator body (6) and stator teeth (7), characterized in that: The rotor body (1) is provided with a plurality of weight-reducing holes (2) inside, the rotor body (1) is provided with heat dissipation holes (3) inside, the inner wall of the rotor body (1) is provided with a first reinforcement ring (4), and the outer wall of the first reinforcement ring (4) is provided with a high-temperature resistant layer (5), the outer wall of the high-temperature resistant layer (5) is provided with a first high-temperature adhesive (9), and the outer wall of the first high-temperature adhesive (9) is provided with a reinforcement layer (10), the interior of the reinforcement layer (10) is provided with an H-shaped reinforcement rib (11), the outer wall of the reinforcement layer (10) is provided with a second high-temperature adhesive (12), and the outer wall of the second high-temperature adhesive (12) is provided with a second reinforcement ring (13), the outer wall of the rotor body (1) is provided with a plurality of rotor teeth (14), and the outer wall of the rotor teeth (14) is provided with a plurality of rotor windings (15).

2. A synchronous motor main shaft rotor structure according to claim 1, characterized in that: The outer wall of the rotor body (1) is provided with a stator body (6), and the inner wall of the stator body (6) is provided with a plurality of stator teeth (7).

3. A synchronous motor main shaft rotor structure according to claim 2, characterized in that: A plurality of stator windings (8) are installed on the inner wall of the stator teeth (7).

4. The synchronous motor main shaft rotor structure according to claim 1, characterized in that: The first high-temperature adhesive (9) and the second high-temperature adhesive (12) are made of polyimide material.

5. The synchronous motor main shaft rotor structure according to claim 1, characterized in that: The high temperature resistant layer (5) is made of glass fiber reinforced plastic.

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