Edge grinding motor

Abstract

The invention provides an edge grinding motor, and relates to the technical field of production equipment of materials such as tiles, glass, stones and metal plates, the edge grinding motor comprises a mechanical shaft, a stator, a cavity, a rotor and a bearing pedestal, the mechanical shaft is arranged in the rotor, the rotor is arranged in the stator, the stator is located in the cavity, and the bearing pedestal is arranged in the cavity. A rotor is arranged on the mechanical shaft, a bearing gland is arranged at the tail end of the rotor, an O-shaped ring is arranged at a spigot of the cavity, a heat dissipation ring is arranged on the surface of the mechanical shaft in a sleeving mode, heat dissipation fins are fixedly installed on the surface of the heat dissipation ring, and heat dissipation grooves are formed in the inner wall of the heat dissipation ring. And the tail end of the rotor is fixed by the bearing gland, so that the possibility of loosening or displacement during high-speed rotation of the rotor can be reduced, the operation stability of the permanent magnet motor is improved, and liquid such as lubricating oil can be effectively prevented from leaking to the outside of the permanent magnet motor due to the totally-enclosed cavity and the O-shaped ring arranged at the seam allowance.

Description

Technical Field

[0001] The invention relates to the technical field of production equipment for materials such as ceramic tiles, glass, stone, metal plates, and in particular to an edge grinding motor. Background Art

[0002] Edge grinding motors are mainly used for grinding and polishing the edges and corners of various materials, such as metal, glass, stone and ceramic tile. According to the different materials being processed, edge grinding motors can be divided into metal belt edge grinding machines, glass edge grinding machines, stone edge grinding machines and ceramic edge grinding machines.

[0003] In the existing ceramic tile production equipment, conventional ceramic edge grinding heads or ceramic polishing heads are mostly driven by ordinary motors through belts or couplings to transmit torque. The belts are easily damaged, the drive device is large in size, the production efficiency is low, and the failure rate is high. Based on this, it is necessary to propose a new grinding head drive structure that can meet high speed, low energy consumption and good cooling effect;

[0004] Therefore, a grinding motor is designed to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the technical problems raised in the above background technology.

[0006] The present invention adopts the following technical scheme: an edge grinding motor, comprising a mechanical shaft, a stator, a cavity, a rotor and a bearing seat, wherein the mechanical shaft is arranged inside the rotor, the rotor is arranged inside the stator, the stator is located inside the cavity, a bearing pressure cover is arranged at the tail end of the rotor, an O-ring is arranged at the stop of the cavity, a heat dissipation ring is sleeved on the surface of the mechanical shaft, heat dissipation fins are fixedly installed on the surface of the heat dissipation ring, and a heat dissipation groove is opened on the inner wall of the heat dissipation ring.

[0007] As a preferred embodiment of the edge grinding motor of the present invention, the rotor is connected to the mechanical shaft via a key, the bearing seat is connected to the tail end of the cavity, the bearing cover is located between the bearing seat and the cavity, and the tail end of the cavity is fully enclosed.

[0008] As a preferred embodiment of the edge grinding motor of the present invention, a connecting piece is provided at the rear end of the bearing seat, and a VA oil seal is provided inside the connecting piece.

[0009] As a preferred embodiment of the edge grinding motor of the present invention, the heat dissipation ring is made of silicon carbide, and the heat dissipation fins are made of aluminum sheets.

[0010] As a preferred embodiment of the edge grinding motor of the present invention, the heat dissipation fins are distributed in a circular array on the surface of the heat dissipation ring, and the heat dissipation grooves are distributed in a circular array on the inner wall of the heat dissipation ring.

[0011] As a preferred embodiment of the edge grinding motor of the present invention, a gasket is fixedly mounted on the inner wall of the heat dissipation ring, and the inner wall of the gasket is in contact with the surface of the mechanical shaft.

[0012] As a preferred embodiment of the edge grinding motor of the present invention, the surface of the mechanical shaft is coated with a cooling paint.

[0013] As a preferred embodiment of the edge grinding motor of the present invention, the material of the gasket is silica gel.

[0014] As a preferred embodiment of the edge grinding motor of the present invention, the heat dissipation groove runs through the surface of the heat dissipation ring.

[0015] As a preferred embodiment of the edge grinding motor of the present invention, two sides of the O-ring are respectively in contact with the cavity and the mechanical shaft.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are:

[0017] 1. In the present invention, by installing the rotor of the permanent magnet motor on the mechanical shaft, connecting it through a key, and then fixing it with a bearing cover at its tail end, the possibility of loosening or displacement of the rotor during high-speed rotation is reduced, thereby improving the operating stability of the permanent magnet motor. At the same time, the stator is installed in the cavity, which can better protect the stator winding from the influence of the external environment, and to a certain extent improve the insulation performance of the permanent magnet motor. The tail end of the cavity is fully enclosed, and an O-ring is arranged at the stopper, which can reduce vibration noise. The fully enclosed cavity and the O-ring arranged at the stopper can effectively prevent liquids such as lubricating oil from leaking to the outside of the permanent magnet motor, and can also prevent external pollutants from entering the interior of the permanent magnet motor.

[0018] 2. In the present invention, a heat dissipation ring is arranged on the surface of the mechanical shaft, which can provide protection for the surface of the mechanical shaft on the one hand, and heat dissipation fins and heat dissipation grooves are arranged on the surface of the heat dissipation ring on the other hand, which can further improve the heat dissipation effect of the heat dissipation ring. At the same time, a gasket is also arranged on the inner wall of the heat dissipation ring to avoid the inner wall of the heat dissipation ring from causing wear to the surface of the mechanical shaft during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of an edge grinding motor is provided for the present invention;

[0020] Figure 2 A side view of an edge grinding motor is provided for the present invention;

[0021] Figure 3 A schematic diagram of a heat sink of an edge grinding motor is provided for the present invention;

[0022] Figure 4 A partial schematic diagram of an edge grinding motor is provided for the present invention.

[0023] Legend:

[0024] 1. Mechanical shaft; 2. Stator; 3. Cavity; 4. Rotor; 5. Bearing seat; 6. Bearing cover; 7. Connector; 8. O-ring; 9. Heat sink; 10. Heat sink fin; 11. Heat sink; 12. Gasket; 13. VA oil seal. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0027] Example

[0028] See also Figure 1-4The present invention provides a technical solution: an edge grinding motor, comprising a mechanical shaft (1), a stator (2), a cavity (3), a rotor (4) and a bearing seat (5), the surface of the mechanical shaft 1 is coated with a cooling paint, the cooling paint has a significant cooling effect, and its surface has hydrophobicity and oleophobicity, strong anti-fouling property, good self-cleaning property and the like, the mechanical shaft (1) is arranged inside the rotor (4), the rotor 4 and the mechanical shaft 1 are connected by a key, the rotor 4 is arranged inside the stator 2, and the stator 2 is installed inside the cavity 3, so that the rotor 4 can reduce the possibility of loosening or displacement when rotating at high speed, thereby improving the running stability of the permanent magnet motor, and at the same time, the stator 2 Installed in the cavity 3, the stator 2 winding can be better protected from the influence of the external environment, and the insulation performance of the permanent magnet motor is improved to a certain extent. The tail end of the rotor 4 is provided with a bearing cover 6, the bearing seat (5) is connected to the tail end of the cavity (3), and the bearing cover (6) is located between the bearing seat (5) and the cavity (3). The tail end of the bearing seat 5 is provided with a connector 7, and the interior of the connector 7 is provided with a VA oil seal 13. The tail end of the cavity 3 is fully enclosed, which can reduce vibration noise. The stop of the cavity 3 is provided with an O-ring 8, and the two sides of the O-ring 8 are respectively in contact with the cavity 3 and the mechanical shaft 1, which can effectively prevent the leakage of liquids such as lubricating oil. To the outside of the permanent magnet motor, it can also prevent external pollutants from entering the interior of the permanent magnet motor. A heat dissipation ring 9 is sleeved on the surface of the mechanical shaft 1. The heat dissipation ring 9 is located at one end of the mechanical shaft 1. Since the mechanical shaft 1 is arranged inside the rotor 4, and the rotor 4 is located inside the stator 2, and the stator 2 is installed inside the cavity 3, the heat dissipation ring 9 is also located inside the cavity 3. A gasket 12 is fixedly installed on the inner wall of the heat dissipation ring 9. The material of the gasket 12 is silicone. Silicone is a high molecular polymer material with excellent thermal conductivity and mechanical properties, and has good high temperature resistance. It can be used for a long time in a high temperature environment. The inner wall of the gasket 12 is in contact with the surface of the mechanical shaft 1 The material of the heat sink 9 is silicon carbide, which is a semiconductor composed of a balanced mixture of silicon and carbon atoms. It has extremely high thermal conductivity, which can improve the heat dissipation effect of the heat sink 9. The heat sink fins 10 are aluminum sheets. The material of the aluminum sheets is light and has good thermal conductivity. The heat energy generated during the operation of the mechanical shaft 1 can be conducted out, thereby improving the heat dissipation effect. The surface of the heat sink 9 is fixedly equipped with heat sink fins 10. The heat sink fins 10 are distributed in a circular array on the surface of the heat sink 9. The heat sink grooves 11 are distributed in a circular array on the inner wall of the heat sink 9. The inner wall of the heat sink 9 is provided with heat sink grooves 11. The heat sink grooves 11 run through the surface of the heat sink 9 to further improve the heat dissipation performance.

[0029] Working principle: During use, the rotor 4 of the permanent magnet motor is installed on the mechanical shaft 1 and connected by a key, and then fixed at its tail end with a bearing cover 6, which can reduce the possibility of loosening or displacement of the rotor 4 when rotating at high speed, thereby improving the operating stability of the permanent magnet motor. At the same time, the stator 2 is installed in the cavity 3, which can better protect the stator 2 winding from the influence of the external environment, and to a certain extent improve the insulation performance of the permanent magnet motor. Since the tail end of the cavity 3 is fully enclosed and an O-ring 8 is provided at the stop, vibration noise can be reduced, and the fully enclosed cavity 3 and the O-ring 8 provided at the stop can effectively prevent liquids such as lubricating oil from leaking to the outside of the permanent magnet motor, and can also prevent external pollutants from entering the interior of the permanent magnet motor. During operation, since the heat dissipation ring 9 is made of silicon carbide and the heat dissipation fins 10 are aluminum sheets, the thermal conductivity of the heat dissipation ring 9 can be improved, thereby improving the heat dissipation effect of the mechanical shaft 1, and heat dissipation grooves 11 are distributed in a circular array on the surface of the heat dissipation ring 9, which can further improve the heat dissipation performance, thereby extending the service life of the mechanical shaft 1.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An edge grinding motor, comprising a mechanical shaft (1), a stator (2), a cavity (3), a rotor (4) and a bearing seat (5), characterized in that: The mechanical shaft (1) is arranged inside the rotor (4), the rotor (4) is arranged inside the stator (2), the stator (2) is located inside the cavity (3), the tail end of the rotor (4) is provided with a bearing cover (6), the stopper of the cavity (3) is provided with an O-ring (8), the surface of the mechanical shaft (1) is sleeved with a heat dissipation ring (9), the surface of the heat dissipation ring (9) is fixedly mounted with heat dissipation fins (10), and the inner wall of the heat dissipation ring (9) is provided with a heat dissipation groove (11).

2. The edge grinding motor according to claim 1, characterized in that: The rotor (4) is connected to the mechanical shaft (1) via a key, the bearing seat (5) is connected to the rear end of the cavity (3), the bearing cover (6) is located between the bearing seat (5) and the cavity (3), and the rear end of the cavity (3) is fully enclosed.

3. The edge grinding motor according to claim 2, characterized in that: A connecting piece (7) is arranged at the rear end of the bearing seat (5), and a VA oil seal (13) is arranged inside the connecting piece (7).

4. The edge grinding motor according to claim 3, characterized in that: The heat dissipation ring (9) is made of silicon carbide, and the heat dissipation fins (10) are made of aluminum sheets.

5. The edge grinding motor according to claim 4, characterized in that: The heat dissipation fins (10) are distributed in a circular array on the surface of the heat dissipation ring (9), and the heat dissipation grooves (11) are distributed in a circular array on the inner wall of the heat dissipation ring (9).

6. The edge grinding motor according to claim 5, characterized in that: A gasket (12) is fixedly mounted on the inner wall of the heat dissipation ring (9), and the inner wall of the gasket (12) is in contact with the surface of the mechanical shaft (1).

7. The edge grinding motor according to claim 6, characterized in that: The surface of the mechanical shaft (1) is coated with a cooling paint.

8. The edge grinding motor according to claim 7, characterized in that: The material of the gasket (12) is silica gel.

9. The edge grinding motor according to claim 8, characterized in that: The heat dissipation groove (11) penetrates the surface of the heat dissipation ring (9).

10. The edge grinding motor according to claim 9, characterized in that: The two sides of the O-ring (8) are respectively in contact with the cavity (3) and the mechanical shaft (1).

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