CN220629088U - Rear end cover integrated brake - Google Patents

Abstract

The utility model relates to the technical field of brakes and provides a rear end cover integrated brake which comprises a stator, wherein a shaft hole for a motor shaft to pass through is formed in the middle of the stator, a notch is formed in one end of the stator, and an armature and a rotor which are axially arranged are sequentially arranged in the mounting notch; the other end of the stator is embedded with a bearing, the bearing and the through shaft hole are coaxially arranged, a mounting disc for mounting the encoder is arranged beside the bearing, and the mounting disc is detachably connected with the stator. The utility model greatly facilitates the assembly and use of the brake, the encoder and the motor by simplifying the part structure.

Description

Rear end cover integrated brake

Technical Field

The utility model relates to the technical field of brakes, in particular to a rear end cover integrated brake.

Background

A brake is a device used to control or limit the movement of a mechanical device that can slow or stop the movement of the mechanical device. Brakes are often used in situations where controlled movement is required to ensure safety, accuracy and stability. The main function is to achieve stopping or slowing of the mechanical device by applying resistance or locking the moving parts.

The servo motor is generally provided with a brake, and comprises a shell and a rear end cover, wherein one end of the rear end cover is generally connected with a brake assembly in a contact manner, and the other end of the rear end cover is provided with an encoder. Therefore, it is necessary to design a structure in which the rear end cap is integrated with the brake.

Disclosure of Invention

The utility model aims to provide a rear end cover integrated brake which is simple in structure and convenient to assemble.

The embodiment of the utility model is realized by the following technical scheme: the rear end cover integrated brake comprises a stator, wherein a shaft passing hole for a motor shaft to pass through is formed in the middle of the stator, a notch is formed in one end of the stator, and an armature and a rotor which are axially arranged are sequentially arranged in the mounting notch; the other end of the stator is embedded with a bearing, the bearing and the through shaft hole are coaxially arranged, a mounting disc for mounting the encoder is arranged beside the bearing, and the mounting disc is detachably connected with the stator.

Preferably, the novel rotor comprises a spline housing and a flange, wherein the spline housing is connected with an inner hole wall of the rotor through a key, the flange is arranged in the mounting notch, and the flange is arranged next to one side end face of the rotor.

Preferably, a plurality of mounting holes are formed in the outer edge of the mounting plate, and threaded connection holes corresponding to the mounting holes are formed in the end face of the stator.

Preferably, a plurality of positioning connection through holes are formed in the outer edge of the stator, and the axis of each positioning connection through hole is consistent with the axis of the through shaft hole.

Preferably, the mounting notch extends along the axial direction of the stator to form a first butt joint part, the outer ring surface of the first butt joint part is provided with a first sealing ring notch, and the first butt joint part is connected with the rear end of the motor.

Preferably, the stator is close to the mounting plate and extends outwards to form a second butt joint part, the outer ring surface of the second butt joint part is provided with a second sealing ring notch, and the second sealing ring notch is connected with the encoder through the second butt joint part.

Preferably, the middle part of the rotor is a boss structure, and the diameter of the rotor is smaller than that of the armature.

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 utility model simplifies the assembly structure of the servo motor by forming the rear end cover and the stator of the brake into an integrated structure, and the encoder can be conveniently and directly fixedly connected through the mounting disc when the brake is arranged in the motor.

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 axial side structure of a rear end cap integrated brake according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front structure of a flange side of the rear end cap integrated brake of the present utility model;

fig. 3 is a schematic cross-sectional view at B-B in fig. 2.

Icon: 1-stator, 11-installation notch, 12-first butt joint portion, 121-first sealing ring notch, 13-second butt joint portion, 131-second sealing ring notch, 14-threaded connection hole, 15-positioning connection through hole, 2-through shaft hole, 3-armature, 4-rotor, 5-spline housing, 6-flange, 7-bearing, 8-installation disk, 81-installation hole.

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 a rear end cover integrated brake, which includes a stator 1, a shaft hole 2 through which a motor shaft passes is provided in the middle of the stator 1, a slot 11 is installed at one end of the stator 1, and an armature 3 and a rotor 4 are sequentially arranged in the installation slot 11 along the axial direction; the other end of the stator 1 is embedded and provided with a bearing 7, the bearing 7 and the through shaft hole 2 are coaxially arranged, a mounting disc 8 for mounting an encoder is arranged beside the bearing 7, and the mounting disc 8 is detachably connected with the stator 1; specifically, the original rear end cover and the front end of the stator 1 are integrated into an integral structure, one side of the mounting notch 11 of the stator 1 is connected into the shell of the motor, the rotor 4 and the bearing 7 are both mounted on the motor shaft to synchronously rotate, and the encoder of the servo motor is connected through the customized mounting disc 8, so that the structure of the brake is simplified, and the brake and the encoder are connected with the motor to be assembled more conveniently and simply.

As shown in fig. 2 and 3, the embodiment further comprises a spline housing 5 and a flange 6, wherein the spline housing 5 is connected with the inner hole wall of the rotor 4 by adopting a key, the flange 6 is arranged in the mounting notch 11, and the flange 6 is arranged next to one side end face of the rotor 4; specifically, the flange 6 plays a role in separation and protection, the connection between the rotor 4 and the motor shaft is realized through the spline housing 5, and the key connection has a good torque transmission effect.

As shown in fig. 1, the outer edge of the mounting plate 8 in the present embodiment is provided with a plurality of mounting holes 81, and the end surface of the stator 1 is provided with screw connection holes 14 corresponding to the mounting holes 81; specifically, the mounting plate 8 is detachably attached to the screw-coupling hole 14 by screwing a screw through the mounting hole 81.

As shown in fig. 1, the outer edge of the stator 1 in the present embodiment is provided with a plurality of positioning connection through holes 15, and the axis of the positioning connection through holes 15 is coincident with the axis of the through-shaft hole 2; specifically, the motor is connected by inserting a long screw through the positioning connection through hole 15 into a threaded hole in the motor housing.

As shown in fig. 3, in order to avoid ensuring tightness after the end of the butt joint, a first butt joint portion 12 is formed in the mounting notch 11 along the axial extension of the stator 1, a first seal ring notch 121 is formed on the outer ring surface of the first butt joint portion 12, a seal rubber ring can be mounted in the first seal ring notch 121, and the seal rubber ring is connected with the rear end of the motor through the first butt joint portion 12.

The stator 1 is provided with a second butt joint part 13 extending outwards near the mounting plate 8, a second sealing ring notch 131 is formed in the outer ring surface of the second butt joint part 13, the second butt joint part 13 is connected with the encoder, and after a sealing rubber ring is mounted in the second sealing ring notch 131, a cover cap is arranged to be connected with the second butt joint part 13.

As shown in fig. 2 and 3, the middle part of the rotor 4 is a boss structure, the cross section of the rotor 4 is L-shaped, the middle part of the rotor 4 passes through the middle of the flange 6, and the diameter of the rotor 4 is smaller than the diameter of the armature 3.

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 (7)

1. A rear end cap integral type stopper, its characterized in that: the motor comprises a stator (1), wherein a shaft passing hole (2) for a motor shaft to pass through is formed in the middle of the stator (1), a notch (11) is formed in one end of the stator (1), and an armature (3) and a rotor (4) which are axially arranged are sequentially arranged in the mounting notch (11);

the other end of the stator (1) is embedded with a bearing (7), the bearing (7) and the shaft passing hole (2) are coaxially arranged, a mounting disc (8) for mounting the encoder is arranged beside the bearing (7), and the mounting disc (8) is detachably connected with the stator (1).

2. The rear end cap integrated brake of claim 1, wherein: the novel rotor structure comprises a rotor (4), and is characterized by further comprising a spline housing (5) and a flange (6), wherein the spline housing (5) is connected with the inner hole wall of the rotor (4) through a key, the flange (6) is arranged in the installation notch (11), and the flange (6) is arranged next to one side end face of the rotor (4).

3. The rear end cap integrated brake of claim 1, wherein: the outer edge of the mounting plate (8) is provided with a plurality of mounting holes (81), and the end face of the stator (1) is provided with threaded connection holes (14) corresponding to the mounting holes (81).

4. The rear end cap integrated brake of claim 1, wherein: the outer edge of the stator (1) is provided with a plurality of positioning connection through holes (15), and the axis of the positioning connection through holes (15) is consistent with the axis of the through shaft hole (2).

5. The rear end cap integrated brake of claim 1, wherein: the mounting notch (11) extends along the axial direction of the stator (1) to form a first butt joint part (12), a first sealing ring notch (121) is formed in the outer ring surface of the first butt joint part (12), and the mounting notch is connected with the rear end of the motor through the first butt joint part (12).

6. The rear end cap integrated brake of claim 1, wherein: the stator (1) is close to the mounting plate (8) and outwards extends to form a second butt joint part (13), a second sealing ring notch (131) is formed in the outer ring surface of the second butt joint part (13), and the second sealing ring notch is connected with the encoder through the second butt joint part (13).

7. The rear end cap integrated brake of claim 1, wherein: the middle part of the rotor (4) is of a boss structure, and the diameter of the rotor (4) is smaller than that of the armature (3).