CN219327751U

CN219327751U - Electromagnetic brake

Info

Publication number: CN219327751U
Application number: CN202320922312.2U
Authority: CN
Inventors: 阳波; 杨贤
Original assignee: Chengdu Chaodechuang Technology Co ltd
Current assignee: Chengdu Chaodechuang Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-07-11
Anticipated expiration: 2033-04-21

Abstract

The utility model relates to the technical field of brakes, and provides an electromagnetic brake, which comprises a stator, wherein a through shaft hole is formed in the middle of the stator, a bearing mounting groove hole is formed in one side, away from a coil, of the stator, the diameter of the bearing mounting groove hole is larger than that of the through shaft hole, and the axis of the bearing mounting groove hole is coincident with that of the through shaft hole. The utility model saves the internal space of the installation equipment by embedding the installation bearing into the stator of the brake.

Description

Electromagnetic brake

Technical Field

The utility model relates to the technical field of brakes, in particular to an electromagnetic brake.

Background

The electromagnetic brake is an important component in the motor, and the friction plate of the brake disc of the brake is connected with the output shaft of the motor and rotates together with the motor.

When the existing electromagnetic brake is installed on an output shaft of the cooperative robot, a bearing is clamped between the end face of a stator of the brake axially arranged on the output shaft and a motor end cover, and the cooperative robot is narrow in inner space, compact in structure, small in size and short in axial space of a joint, so that it is necessary to reduce the axial distance occupied by the brake and the bearing on a motor shaft.

Disclosure of Invention

The utility model aims to provide an electromagnetic brake which can be embedded into a mounting bearing and saves joint inner space of a cooperative robot.

The embodiment of the utility model is realized by the following technical scheme: the electromagnetic brake comprises a stator, wherein a through shaft hole is formed in the middle of the stator, a bearing mounting groove hole is formed in one side, away from a coil, of the stator, the diameter of the bearing mounting groove hole is larger than that of the through shaft hole, and the axis of the bearing mounting groove hole coincides with that of the through shaft hole.

Preferably, a disc spring mounting slot hole is further formed in the end face of one side of the stator, the disc spring mounting slot hole is arranged next to the bearing mounting slot hole, and the axis of the disc spring mounting slot hole is consistent with the axis of the bearing mounting slot hole.

Preferably, the diameter of the disc spring mounting slot is larger than the diameter of the bearing mounting slot.

Preferably, the diameter of the bearing mounting slot is smaller than the diameter of the coil.

Preferably, the depth of the bearing mounting slot is 5mm-7mm.

Preferably, the motor further comprises an armature, a brake disc and a flange which are axially arranged in sequence, one end of the armature is clung to one side of a coil of the stator, the diameter of the brake disc is smaller than that of the armature, and a connecting screw is arranged between the stator and the flange.

Preferably, the sum of the thicknesses of the armature, the brake disc and the flange is smaller than the thickness of the stator.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects: compared with the prior art, the output shaft of the motor passes through the shaft hole, and the bearing is embedded into the end face of the stator by arranging the bearing mounting slot hole for placing the bearing on the front end face of the stator, so that the axial distance between the end cover of the motor and the end face of the stator is reduced, and the mounting space in the joint is saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the back of an electromagnetic brake according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the cross-sectional structure in the direction A-A in FIG. 1;

fig. 3 is a schematic view of the electromagnetic brake of the present utility model after being mounted to the output shaft.

Icon: the device comprises a stator 1, a shaft hole 11, a bearing mounting slot 12, a disc spring mounting slot 13, an armature 2, a flange 3, a brake disc 4 and a connecting screw 5.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Examples

The following is further described with reference to specific embodiments, and referring to fig. 1-3, the present embodiment is an electromagnetic brake, which includes a stator 1, a shaft hole 11 is formed in the middle of the stator 1, a bearing mounting slot 12 is formed on one side of the stator 1 away from the coil, the diameter of the bearing mounting slot 12 is larger than that of the shaft hole 11, and the axis of the bearing mounting slot 12 coincides with the axis of the shaft hole 11; specifically, the bearing mounting slot 12 is formed in the front end face of the stator 1, so that the bearing mounted on the output shaft can be embedded and mounted in the stator 1, the axial distance between the front end face of the stator 1 and the motor end is further reduced, and a certain axial space can be saved in the joint of the cooperative robot.

As shown in fig. 2, a disc spring mounting slot 13 is further formed on one side end surface of the stator 1, the disc spring mounting slot 13 is arranged next to the bearing mounting slot 12, and the axis of the disc spring mounting slot 13 is consistent with the axis of the bearing mounting slot 12; specifically, the disc spring is arranged to clamp the bearing between the disc spring mounting slot 13 and the bearing mounting slot 12, so that the bearing has certain axial displacement capacity, and overlarge rigidity is avoided.

As shown in fig. 3, in order to ensure that the end face of the disc spring can closely contact with the end face of the bearing, the diameter of the disc spring mounting slot 13 is larger than the diameter of the bearing mounting slot 12.

As shown in fig. 2, the diameter of the bearing mounting slot 12 is smaller than the diameter of the coil.

The depth of the bearing mounting slot 12 in this embodiment is 5mm-7mm; specifically, the brake is a miniature brake, and the width dimension of the mounted bearing is between 5mm and 7mm.

The embodiment also comprises an armature 2, a brake disc and a flange 3 which are axially arranged in sequence, wherein one end of the armature 2 is clung to one side of a coil of the stator 1, the diameter of the brake disc is smaller than that of the armature 2, and a connecting screw 5 is arranged between the stator 1 and the flange 3; the sum of the thicknesses of the armature 2, the brake disc and the flange 3 is smaller than the thickness of the stator 1; specifically, on the premise of ensuring the braking effect of the brake, the axial volume occupied by the brake is reduced, and the thicknesses of the armature 2, the brake disc and the flange 3 are smaller.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Electromagnetic brake, comprising a stator (1), characterized in that: the stator (1) middle part has seted up through shaft hole (11), just stator (1) is kept away from coil one side and is equipped with bearing mounting groove hole (12), the diameter of bearing mounting groove hole (12) is greater than through shaft hole (11), just the axis of bearing mounting groove hole (12) with the axis coincidence of through shaft hole (11).

2. The electromagnetic brake of claim 1, wherein: a disc spring mounting groove hole (13) is further formed in one side end face of the stator (1), the disc spring mounting groove hole (13) is arranged next to the bearing mounting groove hole (12), and the axis of the disc spring mounting groove hole (13) is consistent with the axis of the bearing mounting groove hole (12).

3. The electromagnetic brake of claim 2, wherein: the diameter of the disc spring mounting slot hole (13) is larger than that of the bearing mounting slot hole (12).

4. The electromagnetic brake of claim 1, wherein: the diameter of the bearing mounting slot (12) is smaller than the diameter of the coil.

5. The electromagnetic brake of claim 1, wherein: the depth of the bearing mounting groove hole (12) is 5mm-7mm.

6. Electromagnetic brake according to any one of claims 1-5, characterized in that: the novel magnetic motor is characterized by further comprising an armature (2), a brake disc and a flange (3) which are axially arranged in sequence, wherein one end of the armature (2) is clung to one side of a coil of the stator (1), the diameter of the brake disc is smaller than that of the armature (2), and a connecting screw (5) is arranged between the stator (1) and the flange (3).

7. The electromagnetic brake as recited in claim 6, wherein: the sum of the thicknesses of the armature (2), the brake disc and the flange (3) is smaller than the thickness of the stator (1).