CN213659174U - Meter shaker using stepping motor with bearing - Google Patents

Abstract

The utility model discloses an use step motor's of tape spool bearing megger ware, including rotating tray and step motor, step motor's inside includes stator, rotor, first bearing and second bearing, rotor and stator rotatable coupling, and first bearing inlays the top of locating the rotor, and the second bearing inlays the bottom of locating the rotor, and the rotor includes the axis of rotation, and first bearing and second bearing are worn to locate by the axis body of axis of rotation, and the one end that the axis of rotation passed first bearing is connected in the bottom of rotating the tray. Because the stepping motor converts the electric pulse signal into angular displacement or linear displacement, the rotating speed of the stepping motor is in direct proportion to the frequency of the pulse signal, the frequency of the stepping pulse signal is controlled, and the motor can be accurately regulated; the number of the stepping pulses is controlled, so that the purpose of accurately positioning the motor can be achieved, and a reduction gearbox is not needed for controlling the rotating speed. In addition, the first bearing and the second bearing replace gears, so that the stability is greatly improved, and the noise generated when the watch shaking device operates is reduced.

Description

Meter shaker using stepping motor with bearing

Technical Field

The utility model relates to a watch box technical field especially relates to an use step motor's of taking bearing megger ware.

Background

The existing domestic watch shaking devices basically use direct current motors, and because the rotating speed (TPM) of the direct current motors is more than 1000, a reduction box is needed to reduce the direct current motors to the speed which is most suitable for the rotation of the watch, and the TPM after the reduction is 6-8 turns. However, the prior art has the following defects that the direct current motor and the reduction gearbox as well as the reduction gearbox are connected with the belt through gears, and when a user rotates the watch to rotate the tray by hands, the gears are easy to damage; and the running noise of the meter shaker is larger through the multi-stage gear transmission of the reduction gearbox. Along with the increase of service time, the gear of reducing gear box is easy wearing and tearing under long-time rotation, reduces the life-span, and simultaneously, current megger leads to the cost higher owing to need the reducing gear box as the part.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a megger with a step motor having a bearing.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides an use step motor's of tape spool bearing megger ware, is including rotating tray, step motor and control step motor's main control circuit board, step motor's inside includes stator, rotor, first bearing and second bearing, the rotor with stator rotatable coupling, first bearing inlays to be located the top of rotor, the second bearing inlays to be located the bottom of rotor inlays, the rotor includes the axis of rotation, the axis body of axis of rotation is worn to locate first bearing with the second bearing, the axis of rotation passes the one end of first bearing connect in rotate the bottom of tray.

Furthermore, a flange plate is arranged between the first bearing and the rotating tray, and the rotating shaft is connected to the rotating tray through the flange plate.

Furthermore, the bottom of the rotating tray is provided with a through hole, the diameter of the through hole and the inner diameter of the flange are equal to the diameter of the rotating shaft, and the rotating shaft is inserted into the through hole through the flange.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an use step motor's of taking bearing megger ware because step motor converts electric pulse signal to angle displacement or linear displacement, consequently, its rotation is with step angle one step of operation, and its characteristics are no accumulated error, and control system sends out a pulse signal every time, just makes step motor rotatory step angle through the driver. The rotating speed of the stepping motor is in direct proportion to the frequency of the pulse signal, the frequency of the stepping pulse signal is controlled, and the motor can be accurately regulated; the number of the stepping pulses is controlled, the purpose of accurately positioning the motor can be achieved, and the rotating speed required by winding the watch can be achieved without controlling the rotating speed by the reduction gearbox. In addition, the first bearing and the second bearing are utilized to replace gears, so that the stability is greatly improved, and the noise generated when the watch rocking device operates is reduced.

Drawings

Fig. 1 is a schematic connection diagram of the rotary tray, the flange plate and the stepping motor of the present invention;

fig. 2 is an exploded view of the stepping motor of the present invention.

In the figure: 10. rotating the tray; 20. a stepping motor; 30. a flange plate; 21. an upper cover; 22. a lower cover; 23. a stator; 24. a rotor; 25. a rotating shaft; 26. a first bearing; 27. a second bearing.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1, the utility model discloses an use megger of step motor 20 with bearing, including the master control circuit board who rotates tray 10, step motor 20 and control step motor 20. The watch shaker can be installed in various watch boxes and used for winding up an automatic mechanical watch. The master control circuit board can be installed inside the watch box with the watch box and is electrically connected with the stepping motor 20 through a lead. As shown in fig. 2, the stepping motor 20 includes an upper cover 21, a lower cover 22, a stator 23, a rotor 24, a first bearing 26, and a second bearing 27 inside. The upper cover 21, the stator 23 and the lower cover 22 are connected in sequence through screws, and the rotor 24 and the stator 23 are rotatably connected under the action of a magnetic field after being electrified. Rotor 24 includes a rotation axis 25 that extends to the outside of upper cover 21, first bearing 26 inlays and locates the top of rotor 24, second bearing 27 inlays and locates the bottom of rotor 24, first bearing 26 and second bearing 27 are worn to locate by the axis body of rotation axis 25, the one end that rotation axis 25 passed first bearing 26 is connected in the bottom of rotating tray 10, utilize first bearing 26 and second bearing 27 to replace the gear, greatly increased stability, the noise when having reduced the megger operation. The rotation of the stepping motor 20 is performed step by step at a step angle, and is characterized in that no accumulated error exists, and the main control circuit board rotates the rotor 24 by a step angle every time a pulse signal is sent. Therefore, the rotating speed of the stepping motor 20 is in direct proportion to the frequency of the pulse signal, and the frequency of the stepping pulse signal is controlled, so that the motor can be accurately regulated; the number of the stepping pulses is controlled, the purpose of accurately positioning the motor can be achieved, a button or a switch can be arranged on the surface of the watch box and used for inputting signals to the main control circuit board, the main control circuit board sends different pulse signals according to input signals of a user, so that the rotating tray 10 rotates for a specified number of turns, the number of turns is consistent with the number of winding turns required by the watch, excessive winding or insufficient winding of the watch is avoided, and the rotating speed required by winding of the watch can be achieved without controlling the rotating speed by a reduction gearbox.

The utility model discloses in, be equipped with the ring flange 30 that reduces frictional force between first bearing 26 and the rotation tray 10, axis of rotation 25 is connected in rotation tray 10 through ring flange 30. The bottom of the rotary tray 10 is provided with a through hole, the diameter of the through hole and the inner diameter of the flange 30 are equal to the diameter of the rotary shaft 25, and the rotary shaft 25 is inserted into the through hole through the flange 30. The first bearing 26 and the second bearing 27 are used for replacing gears as transmission parts of the stepping motor 20 to the flange plate 30 or the rotating tray 10, so that the stability is greatly improved, and the noise of the watch shaker in operation is reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (3)

1. The utility model provides an use bearing's step motor's megger ware, includes and rotates the tray, its characterized in that: still include step motor and control step motor's master control circuit board, step motor's inside includes stator, rotor, first bearing and second bearing, the rotor with stator rotatable coupling, first bearing inlays to be located the top of rotor, the second bearing inlays to be located the bottom of rotor inlays, the rotor includes the axis of rotation, the axis body of axis of rotation is worn to locate first bearing with the second bearing, the axis of rotation passes the one end of first bearing connect in the bottom of rotating the tray.

2. The megger with bearing for use according to claim 1, wherein: the first bearing with be equipped with the ring flange between the rotation tray, the live axle warp the ring flange connect in the rotation tray.

3. The megger with bearing for use according to claim 2, wherein: the bottom of the rotary tray is provided with a through hole, the diameter of the through hole and the inner diameter of the flange are equal to the diameter of the rotary shaft, and the rotary shaft is inserted into the through hole through the flange.

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