CN209948873U

CN209948873U - Tubular motor with brake device

Info

Publication number: CN209948873U
Application number: CN201921045717.2U
Authority: CN
Inventors: 汤智文
Original assignee: Huizhou Aokeweiye Precision Motor Co Ltd
Current assignee: Huizhou Aokeweiye Precision Motor Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-01-14
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a tubular motor with a brake device, which comprises a stator and a rotor which is rotatablely arranged in the stator in a penetrating way, wherein the front end of the stator is fixed with a front sheath, the front end of the front sheath is embedded with a bearing seat, the inner wall of the bearing seat is embedded with a front bearing, and the front end of the rotor is arranged in the front bearing in a penetrating way; the tail end of the stator is fixed with a rear sheath, the inner wall of the rear sheath is embedded with a rear bearing, and the rear end of the rotor is arranged in the rear bearing in a penetrating way; the tail end of the rear sheath is provided with a brake device for stopping the rotation of the rotor; the utility model discloses a brake equipment's setting, when the motor loses the electricity, brake equipment can play the brake effect to the rotor, so, when motor stall, can improve the positioning accuracy to the rotor.

Description

Tubular motor with brake device

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to tubular motor with brake equipment.

Background

The motor is the drive arrangement who uses commonly, and the motor is after the circular telegram, and its inside rotor can rotate, and when being connected with the part on the rotor, the rotor can drive the part and rotate, but current motor is after losing the electricity, and the rotor still can rotate certain angle to the direction of rotation owing to inertial effect, and the rotor still can drive the part and rotate certain angle promptly to when the motor stopped to rotate, there is the shortcoming that rotor positioning accuracy is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a tubular motor with brake equipment, its setting through brake equipment, when the motor loses the electricity, brake equipment can play the braking effect to the rotor, so, when motor stall, can improve the positioning accuracy to the rotor.

The utility model discloses a tubular motor with brake equipment, including the stator and rotatably wear to establish the rotor in the stator, the front end of stator is fixed with the front sheath, the front end of front sheath inlays and is equipped with the bearing frame, inlays and is equipped with the front bearing on the inner wall of bearing frame, the front end of rotor wears to establish in the front bearing; the tail end of the stator is fixed with a rear sheath, the inner wall of the rear sheath is embedded with a rear bearing, and the rear end of the rotor is arranged in the rear bearing in a penetrating way; and a brake device for stopping the rotation of the rotor is arranged at the tail end of the rear sheath.

The utility model discloses a tubular motor with brake equipment, wherein, brake equipment is fixed with the electro-magnet including fixing the brake sheath at the back sheath tail end on the interior bottom of brake sheath, and the rear end of rotor is fixed with the brake disc, is provided with between electro-magnet and the brake disc to be used for offsetting with the brake disc in order to stop rotor pivoted brake iron sheet, inlays between electro-magnet and the brake iron sheet to be equipped with and is used for pushing away the driving piece that the brake iron sheet so that brake iron sheet offsets with the brake disc.

The utility model discloses a tubular motor with brake equipment, wherein, the driving piece is the spring, and the one end and the electro-magnet of spring offset, and the other end and the brake iron sheet of spring offset.

The utility model discloses a tubular motor with brake equipment, wherein, the electro-magnet is provided with on the terminal surface towards spring one side and supplies spring part male blind hole.

The utility model discloses a tubular motor with brake equipment, wherein, the rear end of rotor is provided with the screw section that the external diameter is less than the rotor, and screw section wears to establish in the brake disc, and threaded connection has in the screw section to be used for compressing tightly the nut on the rotor with the brake disc.

The utility model discloses a tubular motor with brake equipment, wherein, the electro-magnet passes through the fix with screw with the brake sheath.

The utility model discloses a brake equipment's setting, when the motor loses the electricity, brake equipment can play the brake effect to the rotor, so, when motor stall, can improve the positioning accuracy to the rotor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic sectional view of the present invention.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a tubular motor with brake equipment, including stator 1 and the rotor 2 that rotationally wears to establish in stator 1, the front end of stator 1 is fixed with front sheath 3, and the front end of front sheath 3 is inlayed and is equipped with bearing frame 4, inlays on the inner wall of bearing frame 4 and is equipped with front bearing 41, and the front end of rotor 2 is worn to establish in front bearing 41; a rear sheath 5 is fixed at the tail end of the stator 1, a rear bearing 51 is embedded on the inner wall of the rear sheath 5, and the rear end of the rotor 2 is arranged in the rear bearing 51 in a penetrating way; the tail end of the rear sheath 5 is provided with a brake device for stopping the rotor 2 from rotating; the utility model discloses a brake equipment's setting, when the motor loses the electricity, brake equipment can play the brake effect to the rotor, so, when motor stall, can improve the positioning accuracy to the rotor.

The brake device comprises a brake sheath 6 fixed at the tail end of the rear sheath 5, an electromagnet 7 is fixed at the inner bottom of the brake sheath 6, a brake disc 8 is fixed at the rear end of the rotor 2, a brake iron sheet 9 which is used for abutting against the brake disc 8 to stop the rotor 2 from rotating is arranged between the electromagnet 7 and the brake disc 8, and a driving piece which is used for abutting against the brake iron sheet 9 to enable the brake iron sheet 9 to abut against the brake disc 8 is embedded between the electromagnet 7 and the brake iron sheet 9; after the brake device is adopted, when the electromagnet and the stator are electrified, the brake iron sheet can be attracted by the electromagnet, the brake iron sheet can be separated from the brake disc, and at the moment, the rotor can rotate in the stator; after the electromagnet and the stator lose power, the brake iron sheet can be abutted against the brake disc under the action of the driving piece, so that friction force can be generated between the brake iron sheet and the brake disc, the rotor can be immediately stopped to rotate, and the braking effect on the rotor can be realized.

The driving piece is a spring 10, one end of the spring 10 is propped against the electromagnet 7, and the other end of the spring 10 is propped against the brake iron sheet 9; after the driving piece is adopted, the spring can reliably push the brake iron sheet to abut against the brake disc after the electromagnet is powered off.

The end surface of the electromagnet 7 facing the spring 10 is provided with a blind hole 71 into which the spring 10 can be partially inserted; through the setting of blind hole, the spring can be partly inserted in the blind hole towards the one end of electro-magnet, so, can realize the location to the spring.

The rear end of the rotor 2 is provided with a screw part 21 with the outer diameter smaller than that of the rotor 2, the screw part 21 is arranged in the brake disc 8 in a penetrating way, and the screw part 21 is in threaded connection with a nut 22 used for pressing the brake disc 8 on the rotor 2; by adopting such a structure, the brake disc can be reliably fixed to the rear end of the rotor.

The electromagnet 7 and the brake sheath 6 are fixed through a screw 72; by adopting the structure, the electromagnet can be reliably fixed in the brake sheath.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The tubular motor with the brake device comprises a stator (1) and a rotor (2) rotatably arranged in the stator (1) in a penetrating mode, wherein a front sheath (3) is fixed at the front end of the stator (1), a bearing seat (4) is embedded at the front end of the front sheath (3), a front bearing (41) is embedded on the inner wall of the bearing seat (4), and the front end of the rotor (2) is arranged in the front bearing (41) in a penetrating mode; a rear sheath (5) is fixed at the tail end of the stator (1), a rear bearing (51) is embedded on the inner wall of the rear sheath (5), and the rear end of the rotor (2) penetrates through the rear bearing (51); the method is characterized in that: and a brake device for stopping the rotation of the rotor (2) is arranged at the tail end of the rear sheath (5).

2. The tubular motor with the brake device as claimed in claim 1, wherein the brake device comprises a brake sheath (6) fixed at the tail end of the rear sheath (5), an electromagnet (7) is fixed at the inner bottom of the brake sheath (6), a brake disc (8) is fixed at the rear end of the rotor (2), a brake iron sheet (9) for abutting against the brake disc (8) to stop the rotor (2) from rotating is arranged between the electromagnet (7) and the brake disc (8), and a driving member for abutting against the brake iron sheet (9) to enable the brake iron sheet (9) to abut against the brake disc (8) is embedded between the electromagnet (7) and the brake iron sheet (9).

3. The tubular motor with brake device as claimed in claim 2, characterized in that the driving member is a spring (10), one end of the spring (10) is against the electromagnet (7), and the other end of the spring (10) is against the brake iron (9).

4. A tubular electric motor with a brake device according to claim 3, characterized in that the end surface of the electromagnet (7) facing the spring (10) is provided with a blind hole (71) into which the spring (10) can be partially inserted.

5. The tubular motor with a brake device as claimed in claim 2, characterized in that the rear end of the rotor (2) is provided with a screw portion (21) having an outer diameter smaller than that of the rotor (2), the screw portion (21) is inserted into the brake disc (8), and a nut (22) for pressing the brake disc (8) against the rotor (2) is threadedly connected to the screw portion (21).

6. A tubular electric motor with brake device according to claim 2, characterized in that the electromagnet (7) is fixed to the brake sheath (6) by means of screws (72).