Modularized dustproof and waterproof electric grinding machine
The modular design of the dustproof and waterproof electric grinder solves the problems of poor dustproof and waterproof performance and poor heat dissipation in traditional grinders in automated applications, achieving efficient and stable automated grinding and improving the service life and production efficiency of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-03
AI Technical Summary
Traditional grinding machines suffer from poor dust and water resistance, inadequate heat dissipation, susceptibility to damage, and insufficient operational stability in automated applications, which affect production efficiency and product quality.
A modular dustproof and waterproof electric grinder was designed. The motor body is completely covered by a dustproof and waterproof shell, and rapid heat dissipation is achieved through air inlet and exhaust connectors. The modular design facilitates installation and disassembly, and the connectors facilitate circuit interfaces, improving the flexibility and scalability of the equipment.
It achieves efficient dust and water protection, extends equipment life, improves operational stability and production efficiency, reduces noise, and supports automated control and remote management.
Smart Images

Figure CN223961049U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of polishing technology, specifically to a modular dustproof and waterproof electric polishing machine. Background Technology
[0002] Traditional deburring and surface polishing of workpieces are mostly done manually or using handheld pneumatic or electric grinders. This often leads to increased product defect rates, very low efficiency, and uneven surface roughness. Some manufacturers have begun using robots equipped with electric or pneumatic grinders for automated grinding. Compared to handheld grinding, robotic deburring can effectively improve production efficiency, reduce costs, and increase product yield. However, this method simply involves modifying and mounting traditional handheld pneumatic or electric grinders onto a robot. The assembly and wiring are rudimentary and cumbersome, prone to errors, and lacks effective dust and water protection. Grinding debris and liquids can easily enter the drive mechanism, affecting operational stability and lifespan. Furthermore, prolonged operation generates significant heat; if heat dissipation is insufficient, performance will decline, and the motor may even be damaged or burned out. Utility Model Content
[0003] To address the aforementioned shortcomings, the purpose of this utility model is to provide a modular dustproof and waterproof electric grinder with a reasonable structural design, easy installation, good dustproof and waterproof performance, and excellent heat dissipation.
[0004] To achieve the above objectives, the technical solution provided by this utility model is as follows:
[0005] A modular, waterproof electric grinder includes a motor body, a grinding disc, a mounting plate, a base plate, a dustproof and waterproof shell, and a connector. The upper end of the dustproof and waterproof shell is closed and fixed to the base plate in cooperation with the mounting plate. The motor body is disposed inside the dustproof and waterproof shell, and a through-hole is provided at the lower end of the dustproof and waterproof shell for the motor body's rotating shaft to extend out. The grinding disc is connected to the rotating shaft through an eccentric component. A partition space is formed between the outer wall of the motor body and the inner wall of the dustproof and waterproof shell. The dustproof and waterproof shell is provided with an air inlet connector and an air outlet connector respectively communicating with the partition space. The connector is disposed on the base plate and connected to the motor body.
[0006] As a preferred embodiment of this utility model, the dustproof and waterproof shell includes an upper cylindrical shell, a lower cylindrical shell, and an upper end cover. The lower cylindrical shell and the upper cylindrical shell are connected. The upper end cover is closed on the upper cylindrical shell. The lower end of the lower cylindrical shell is provided with a dustproof and waterproof cover, which is easy to assemble.
[0007] As a preferred embodiment of this utility model, the substrate is provided with a through-hole, and the center of the upper end cover is provided with a locking protrusion that matches the shape of the through-hole. The mounting plate is located on the upper surface of the substrate and is connected to the locking protrusion, so that the connection is stable.
[0008] As a preferred embodiment of this utility model, a lower convex ring is provided on the inner side of the lower opening of the upper cylinder shell, and the inner ring of the lower convex ring forms the through hole. An upper convex ring is formed by the inner protrusion of the upper cylinder shell near the lower cylinder shell. The lower convex ring and the upper convex ring cooperate to achieve a good fixing effect on the motor body.
[0009] In a preferred embodiment of this utility model, the motor body includes a housing, an upper cover, a lower cover, a rotor, and a stator. The stator is disposed inside the housing. The upper cover and the lower cover are respectively disposed at both ends of the housing. The rotor is mounted on the upper cover and the lower cover via bearings at the positions corresponding to the stator. The outer diameter of the upper cover and the lower cover is larger than the outer diameter of the housing. The edge of the lower cover is mounted on the lower convex ring, and the upper convex ring presses against the edge of the upper cover.
[0010] In a preferred embodiment of this invention, the outer wall of the housing is provided with several protruding ridges extending along its axial direction, which effectively increases the heat dissipation area of the housing and improves the heat dissipation effect. At the same time, the protruding ridges can also strengthen the structure of the housing.
[0011] As a preferred embodiment of this utility model, the upper cover is provided with a dust cover that can seal the bearing, providing good dust and water protection.
[0012] In a preferred embodiment of this invention, a rubber gasket is provided between the edge of the lower cover and the lower convex ring, and a sealing ring is provided between the edge of the upper cover and the upper convex ring. The rubber gasket and sealing ring further enhance the sealing performance.
[0013] As a preferred embodiment of this utility model, the upper cylinder shell is provided with a dustproof and waterproof line connector, which is connected to the connector through a waterproof cable, thereby improving the stability and safety of the equipment in a humid environment.
[0014] The beneficial effects of this utility model are as follows: The utility model has a reasonable structural design, integrating the motor body within a dustproof and waterproof housing and combining it with the mounting plate and connector on a base plate to form a modular design. The mounting plate allows for quick assembly with the robot, and the connector facilitates connection to control circuits, improving the flexibility and scalability of the equipment. This simplifies installation and disassembly, increasing work efficiency. Furthermore, the dustproof and waterproof housing completely covers the motor body, providing excellent dust and water protection, effectively preventing debris and liquid generated during grinding from entering the motor body, reducing wear on the motor and other components, and improving the stability and lifespan of the equipment. Additionally, the dustproof and waterproof housing and the motor body have a partition space, and air is introduced through the air inlet connector for heat exchange, achieving rapid heat dissipation and preventing motor overheating, ensuring continuous and stable grinding operation. Moreover, compared to traditional pneumatic and electric grinders, this electric grinder offers controllable speed, lower noise, and a constant and efficient working speed, and is easy to control, facilitating remote control and automated management.
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0017] Figure 2 This is a cross-sectional structural diagram of the present invention.
[0018] Figure 3 This is an exploded structural diagram of the present invention.
[0019] Figure 4 This is a schematic diagram of the structure of the motor body in this utility model. Detailed Implementation
[0020] See the example. Figures 1 to 4 This embodiment provides a modular dustproof and waterproof electric grinder, which includes a motor body 1, a grinding disc 2, a mounting disc 3, a base plate 4, a dustproof and waterproof shell 5, and a connector 6.
[0021] The upper end of the dustproof and waterproof shell 5 is closed and is fixed to the base plate 4 in conjunction with the mounting plate 3. Specifically, the dustproof and waterproof shell 5 includes an upper cylindrical shell 51, a lower cylindrical shell 52, and an upper end cover 53. The lower cylindrical shell 52 is connected to the upper cylindrical shell 51, and the upper end cover 53 is closed on the upper cylindrical shell 51. The lower end of the lower cylindrical shell 52 is provided with a dustproof and waterproof cover 54 for easy assembly. The base plate 4 is provided with a through-hole 41, and the center of the upper end cover 53 is provided with a locking protrusion that matches the shape of the through-hole 41. The mounting plate 3 is located on the upper surface of the base plate 4 and is connected to the locking protrusion for a stable connection.
[0022] The motor body 1 is housed within a dustproof and waterproof casing 5, and a through-hole 522 is provided at the lower end of the dustproof and waterproof casing 5 for the motor body 1 to extend through. Specifically, the motor body 1 includes a housing 11, an upper cover 12, a lower cover 13, a rotor 14, and a stator 15. The stator 15 is housed within the housing 11. The upper cover 12 and the lower cover 13 are respectively located at both ends of the housing 11. The rotor 14 is mounted on the upper cover 12 and the lower cover 13 via bearings at positions corresponding to the stator 15. The outer diameter of the upper cover 12 and the lower cover 13 is larger than the outer diameter of the housing 11. A lower convex ring 521 is provided inside the lower opening of the lower cylindrical shell 52, and the inner ring of the lower convex ring 521 forms the through-hole 522. An upper convex ring 511 is formed by a protrusion on the inner side of the upper cylindrical shell 51 near the lower cylindrical shell 52. The edge of the lower cover 13 is mounted on the lower convex ring 521, and the upper convex ring 511 presses against the edge of the upper cover 12. The cooperation of the lower and upper convex rings 521 and 511 provides good fixation for the motor body 1. Preferably, several convex ridges extending along the axial direction are provided on the outer wall of the housing 11, effectively increasing the heat dissipation area and improving the heat dissipation effect. Simultaneously, the convex ridges also reinforce the structure of the housing 11. A partition space 7 is formed between the outer wall of the motor body 1 and the inner wall of the dustproof and waterproof shell 5. The dustproof and waterproof shell 5 is provided with an air inlet connector 55 and an exhaust connector 56 respectively connected to the partition space 7. The connector 6 is disposed on the base plate 4 and connected to the motor body 1. Preferably, a dust cover 16 that can seal the bearing is provided on the upper cover 12, providing good dustproof and waterproof effects. Preferably, a rubber gasket 57 is provided between the edge of the lower cover 13 and the lower convex ring 521, and a sealing ring 58 is provided between the edge of the upper cover 12 and the upper convex ring 511. The rubber gasket 57 and the sealing ring 58 can further improve the sealing performance. Preferably, a waterproof wiring connector is provided on the upper cylinder shell 51, and the waterproof and dustproof wiring connector is connected to the connector 6 through a waterproof cable, which improves the stability and safety of the equipment in humid environments.
[0023] The grinding disc 2 is connected to the rotating shaft via an eccentric component 8.
[0024] During operation, the motor body 1 is housed within the dustproof and waterproof casing 5 and integrated with the mounting plate 3 and connector 6 on the base plate 4, forming a modular design. The mounting plate 3 has mounting holes adapted to the robot, facilitating easy assembly and allowing for quick assembly with the robot. After assembly, the connector 6 facilitates easy connection to control circuitry, enhancing the equipment's flexibility and scalability. This makes installation and disassembly simpler and increases work efficiency.
[0025] During grinding, the dustproof and waterproof housing 5 completely covers the motor body 1, providing excellent dust and water protection. This effectively prevents debris and liquid generated during grinding from entering the motor body 1, reducing wear on the motor and other components, and improving the stability and service life of the equipment. Furthermore, the partition space 7 between the dustproof and waterproof housing 5 and the motor body 1 allows for the introduction of high-speed gas through the air inlet vent 55 for heat exchange, followed by exhaust through the exhaust vent 56, achieving rapid heat dissipation and preventing motor overheating, ensuring continuous and stable grinding operation. In addition, compared to traditional pneumatic and electric grinders, this type of electric grinder offers constant and controllable speed, lower noise, controllable and efficient operation, and is easy to program and control, facilitating remote control and automated grinding management.
[0026] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model. As described in the above embodiments of this utility model, other grinding machines obtained using the same or similar structures are all within the protection scope of this utility model.
Claims
1. A modular dustproof and waterproof electric grinder, comprising a motor body and a grinding disc, characterized in that, It also includes a mounting plate, a base plate, a dustproof and waterproof shell, and a connector. The upper end of the dustproof and waterproof shell is closed and is fixed on the base plate in cooperation with the mounting plate. The motor body is disposed inside the dustproof and waterproof shell, and a through-hole is provided at the lower end of the dustproof and waterproof shell for the motor body's shaft to extend out. The grinding disc is connected to the shaft through an eccentric component. A partition space is formed between the outer wall of the motor body and the inner wall of the dustproof and waterproof shell. The dustproof and waterproof shell is provided with an air inlet connector and an air outlet connector that are respectively connected to the partition space. The connector is disposed on the base plate and is connected to the motor body.
2. The modular dustproof and waterproof electric grinder according to claim 1, characterized in that: The dustproof and waterproof shell includes an upper shell, a lower shell, and an upper end cover. The lower shell and the upper shell are connected. The upper end cover is closed on the upper shell. The lower end of the lower shell is provided with a dustproof and waterproof cover.
3. The modular dustproof and waterproof electric grinder according to claim 2, characterized in that: The substrate has an opening, and the center of the upper cover has a locking protrusion that matches the shape of the opening. The mounting plate is located on the upper surface of the substrate and is connected to the locking protrusion.
4. The modular dustproof and waterproof electric grinder according to claim 2, characterized in that: The lower end opening of the upper cylinder shell is provided with a lower convex ring, the inner ring of the lower convex ring forms the through hole, and the inner side of the upper cylinder shell near the lower cylinder shell protrudes to form an upper convex ring.
5. The modular dustproof and waterproof electric grinder according to claim 4, characterized in that: The motor body includes a housing, an upper cover, a lower cover, a rotor, and a stator. The stator is disposed inside the housing. The upper and lower covers are respectively disposed at both ends of the housing. The rotor is mounted on the upper and lower covers via bearings at positions corresponding to the stator. The outer diameter of the upper and lower covers is larger than the outer diameter of the housing. The edge of the lower cover is mounted on the lower convex ring, and the upper convex ring presses against the edge of the upper cover.
6. The modular dustproof and waterproof electric grinder according to claim 5, characterized in that: The outer wall of the housing is provided with several protruding ridges extending along its axial direction.
7. The modular dustproof and waterproof electric grinder according to claim 5, characterized in that: The upper cover is equipped with a dust cover that can seal the bearing.
8. The modular dustproof and waterproof electric grinder according to claim 5, characterized in that: A rubber gasket is provided between the edge of the lower cover and the lower convex ring.
9. The modular dustproof and waterproof electric grinder according to claim 5, characterized in that: A sealing ring is provided between the edge of the upper cover and the upper convex ring.
10. The modular dustproof and waterproof electric grinder according to claim 2, characterized in that: The upper shell is equipped with a waterproof line connector, which is connected to the connector via a waterproof cable.