Gear motor with electromagnetic brake mechanism

Abstract

The utility model relates to the technical field of gear motors, and discloses a gear motor with an electromagnetic brake mechanism, which comprises a gear motor body, a rotating shaft is arranged in the middle of the gear motor body and connected with a rotor in the gear motor body through a key, a shell is arranged at one end of the gear motor body, and a coupler is arranged at one end of the rotating shaft extending into the shell. A connecting shaft is arranged at the end, away from the rotating shaft, of the coupler, a brake disc is arranged on the periphery of the connecting shaft, and a brake pad is arranged on one side wall of the brake disc. By arranging the shell, the coupler and the connecting shaft, the electromagnetic brake mechanism and the gear motor are of a split structure, and maintenance of the electromagnetic brake mechanism is facilitated; through the structural design of the brake disc, the brake pad, the spring, the connecting frame and the electromagnet, the gear motor can rapidly brake when needing to be braked, the braking efficiency of the gear motor is improved, and the brake device is very practical.

Description

Technical Field

[0001] This utility model belongs to the field of geared motor technology, specifically a geared motor with an electromagnetic braking mechanism. Background Technology

[0002] A geared motor is an integrated unit of a speed reducer and a motor. This type of integrated unit is also commonly referred to as a geared motor or geared motor assembly. It is typically assembled by specialized speed reducer manufacturers and supplied as a complete set with the motor. A geared motor with an electromagnetic braking mechanism has an electromagnetic brake structure at the rear of the motor. When the motor is energized, this brake is also energized and engaged, but it does not brake the motor at this time. When the motor is de-energized, this brake is also de-energized, and the brake, under the action of a spring, stops the motor.

[0003] However, in existing geared motors with electromagnetic braking mechanisms, the electromagnetic braking mechanism and the geared motor are mostly integrated, which is inconvenient to disassemble, assemble, maintain and repair. Therefore, a geared motor with an electromagnetic braking mechanism is proposed here. Utility Model Content

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a geared motor with an electromagnetic braking mechanism, which effectively solves the problems existing in the existing geared motors with electromagnetic braking mechanisms.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A geared motor with an electromagnetic braking mechanism includes a geared motor body, a rotating shaft in the middle of the geared motor body, a housing at one end of the geared motor body, a coupling at the end of the rotating shaft that extends into the housing, a connecting shaft at the end of the coupling away from the rotating shaft, a brake disc around the connecting shaft, a brake pad on one side wall of the brake disc, springs on both sides at the end of the brake pad away from the brake disc, a connecting frame at the end of the spring away from the brake pad, and an electromagnet on the connecting frame located between the springs.

[0007] Preferably, a heat dissipation mesh is provided on the side wall of the outer casing surrounding the connecting shaft.

[0008] Preferably, the spring is snapped between the connecting bracket and the brake pad.

[0009] This invention separates the electromagnetic braking mechanism from the geared motor by setting up a housing, coupling, and connecting shaft, which facilitates the maintenance and upkeep of the electromagnetic braking mechanism. The structural design of the brake disc, brake pads, spring, connecting frame, and electromagnet enables the geared motor to brake quickly when braking is required, improving the braking efficiency of the geared motor, which is very practical. Attached Figure Description

[0010] Figure 1This is a schematic diagram of the structure of this utility model;

[0011] Figure 2 This is a front sectional view of the present invention;

[0012] Figure 3 This utility model Figure 2 A magnified view of a section at point A in the middle;

[0013] In the diagram: 1. Gear motor body; 2. Shaft; 3. Housing; 4. Coupling; 5. Connecting shaft; 6. Brake disc; 7. Brake pad; 8. Spring; 9. Connecting frame; 10. Electromagnet; 11. Heat dissipation mesh. Detailed Implementation

[0014] In this embodiment, by Figure 1-3 The present invention includes a geared motor body 1, a rotating shaft 2 disposed in the middle of the geared motor body 1, the rotating shaft 2 being connected to the rotor inside the geared motor body 1 by a key, a housing 3 disposed at one end of the geared motor body 1, a coupling 4 disposed at one end of the rotating shaft 2 extending into the housing 3, a connecting shaft 5 disposed at the end of the coupling 4 away from the rotating shaft 2, a brake disc 6 disposed around the connecting shaft 5, a brake pad 7 disposed on one side wall of the brake disc 6, springs 8 disposed on both sides of the end of the brake pad 7 away from the brake disc 6, a connecting frame 9 disposed at the end of the springs 8 away from the brake pad 7, and an electromagnet 10 disposed on the connecting frame 9 located between the springs 8.

[0015] Among them, a heat dissipation mesh 11 is provided on the side wall of the outer shell 3 surrounding the connecting shaft 5.

[0016] The spring 8 is pressed between the connecting bracket 9 and the brake pad 7.

[0017] The outer casing 3 is bolted to the end of the geared motor body 1. The coupling 4 is inserted into the rotating shaft 2 and connected by a key. The coupling 4 can rotate synchronously with the rotating shaft 2. The coupling 4 is also connected to the connecting shaft 5 by a key. The end of the connecting shaft 5 away from the coupling 4 is connected to the middle of the side wall of the outer casing 3 by a bearing. With the assistance of the coupling 4, the connecting shaft 5 can rotate synchronously with the rotating shaft 2. The brake disc 6 is connected to the connecting shaft 5 by a key. The brake pad 7 is slidably connected to the brake disc 6. The heat dissipation mesh 11 helps dissipate heat from the internal components of the outer casing 3 and also helps dissipate heat from the cooling fan inside the motor. When the brake pad 7 contacts the brake disc 6, the friction gradually stops the brake disc 6 from rotating, thereby stopping the connecting shaft 5 from rotating. The connecting frame 9 is bolted to the inner wall of the outer casing 3. The spring 8 can hold the brake pad 7 against the brake disc 6 using the connecting frame 9. The electromagnet 10 is threaded to the connecting frame 9. When the electromagnet 10 is energized, it will attract the brake pad 7 under the action of electromagnetic force, causing the brake pad 7 to move away from the brake disc 6.

[0018] Working principle: The electromagnet 10 and the geared motor body 1 use the same external power supply. When the geared motor body 1 is powered on, the electromagnet 10 is also powered on. Under the action of electromagnetic force, the electromagnet 10 attracts the brake pad 7, causing the brake pad 7 to move away from the brake disc 6. When the geared motor body 1 is powered off and stops working, the electromagnet 10 is also powered off. At this time, the spring 8 can rely on the connecting bracket 9 to press the brake pad 7 against the brake disc 6. Under the action of friction, the brake disc 6 can gradually stop rotating, thereby stopping the connecting shaft 5 from rotating. The outer shell 3 can be easily disassembled and assembled with the geared motor body 1, which allows for convenient maintenance of the electromagnetic brake structure.

Claims

1. A geared motor with an electromagnetic braking mechanism, comprising a geared motor body (1), characterized in that: The geared motor body (1) has a rotating shaft (2) in the middle, a housing (3) at one end of the geared motor body (1), a coupling (4) at one end of the rotating shaft (2) extending into the housing (3), a connecting shaft (5) at the end of the coupling (4) away from the rotating shaft (2), a brake disc (6) at the periphery of the connecting shaft (5), a brake pad (7) at one side wall of the brake disc (6), springs (8) at both sides of the brake pad (7) away from the brake disc (6), a connecting frame (9) at the end of the spring (8) away from the brake pad (7), and an electromagnet (10) at the connecting frame (9) between the springs (8).

2. The geared motor with an electromagnetic braking mechanism according to claim 1, characterized in that: A heat dissipation mesh (11) is provided on the side wall of the outer shell (3) surrounding the connecting shaft (5).

3. The geared motor with an electromagnetic braking mechanism according to claim 1, characterized in that: The spring (8) is pressed between the connecting frame (9) and the brake pad (7).

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