CN216490123U

CN216490123U - Stepping motor's encoder protector

Info

Publication number: CN216490123U
Application number: CN202123237815.6U
Authority: CN
Inventors: 杨浩; 方志杰
Original assignee: Wuhan Kehao Precision Machinery Manufacturing Co ltd
Current assignee: Wuhan Kehao Precision Machinery Manufacturing Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-10
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a step motor's encoder protector, including protective housing, protective housing's inside is provided with the encoder body, protective housing's the fixed cover of side fixedly connected with, the inner wall of fixed cover rotates through the bearing and is connected with the rotation cover, the hexagonal groove has been seted up to the inner wall that rotates the cover, and the inner wall sliding connection in hexagonal groove has a hexagonal column, the spherical rotation casing of one end fixedly connected with of hexagonal column, the spherical inner wall that rotates casing rotates and is connected with the rolling ball, the fixed surface of rolling ball is connected with the installation cover. This step motor's encoder protector through setting up fixed cover and rotation cover, is convenient for utilize protecting sheathing to support, effectively avoids the direct connection to cause the condition of encoder body damage, rotates cover, hexagonal column, spherical rotation casing, rolling ball and ball through setting up, is convenient for cushion motor shaft drunkenness and swing to effectively protect the encoder body.

Description

Stepping motor's encoder protector

Technical Field

The utility model relates to an encoder protection technical field specifically is a step motor's encoder protector.

Background

The stepping motor is used as an execution element, is one of key products of electromechanical integration, and is widely applied to various automatic control systems.

The vibration is caused along with the rotation of the mechanical shaft in the operation process of the motor, the output side of the shaft of the stepping motor is subjected to overlarge axial force, and the shaft moves and swings back and forth in the operation process, so that the axial vibration of the mechanical shaft of the encoder is caused, and the encoder is easily damaged.

Therefore, an encoder protector for a stepping motor is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a step motor's encoder protector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a step motor's encoder protector, includes protective housing, protective housing's inside is provided with the encoder body, protective housing's the fixed cover of side fixedly connected with, the inner wall of fixed cover is rotated through the bearing and is connected with the rotation cover, the hexagonal groove has been seted up to the inner wall that rotates the cover, and the inner wall sliding connection in hexagonal groove has the hexagonal post, the spherical casing that rotates of one end fixedly connected with of hexagonal post, the spherical inner wall that rotates the casing rotates and is connected with the rolling ball, the outer fixed surface of rolling ball is connected with the installation cover.

Preferably, the outer surface of the rotating sleeve is fixedly connected with the rotating end of the encoder body.

Preferably, protective housing's fixed surface is connected with the mounting panel, waist type hole has been seted up to the side of mounting panel, the quantity of mounting panel is four, and four mounting panels are the surface of circumference array setting at protective housing.

Preferably, the side surface of the protective shell is connected with a fixing plate through a bolt, a through hole is formed in the side surface of the fixing plate, and the inner wall of the through hole is fixedly connected with a negative pressure fan.

Preferably, the side fixedly connected with air-out casing of fixed plate, the step hole has been seted up to the side of air-out casing, and the step face in step hole rotates through the pivot and is connected with the valve plate, the side of valve plate is provided with the extension spring.

Preferably, spherical groove has been seted up to the inner wall of spherical rotation casing, and the inner wall of spherical groove is provided with the ball, the arc wall with the ball adaptation is seted up to the surface of rotating the ball, ball and arc wall are six, and six balls are the inner wall that the circumference array set up at spherical rotation casing.

Preferably, the outer surface of the mounting sleeve is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with a locking bolt.

Preferably, the outer surface of the locking bolt is sleeved with a compression spring.

Preferably, the inner wall of the mounting sleeve is provided with a key groove.

Preferably, the annular groove is formed in the inner wall of the hexagonal groove of the rotating sleeve, the inner wall of the annular groove is connected with a limiting ring in a sliding mode, and the limiting ring is fixedly connected to the outer surface of the hexagonal column.

Advantageous effects

The utility model provides a step motor's encoder protector possesses following beneficial effect:

1. this step motor's encoder protector is convenient for be connected protective housing and step motor through setting up the mounting panel, utilizes waist type hole can install the step motor of different specifications simultaneously to it is more practical, through setting up installation cover and locking bolt, be convenient for fixed with step motor's rotor shaft.

2. This step motor's encoder protector through setting up fixed cover and rotation cover, is convenient for utilize protecting sheathing to support, effectively avoids the direct connection to cause the condition of encoder body damage, rotates cover, hexagonal column, spherical rotation casing, rolling ball and ball through setting up, is convenient for cushion motor shaft drunkenness and swing to effectively protect the encoder body.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the front cross-section structure of the present invention;

fig. 4 is a schematic side-sectional structure view of the present invention.

In the figure: the air conditioner comprises a protective shell 1, an encoder body 2, a fixed sleeve 3, a rotating sleeve 4, a hexagonal column 5, a spherical rotating shell 6, a rotating ball 7, an installing sleeve 8, an installing plate 9, a fixing plate 10, a negative pressure fan 11, an air outlet shell 12, a valve plate 13, a tension spring 14, a ball 15, a locking bolt 16, a compression spring 17 and a limiting ring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an encoder protection device of a stepping motor comprises a protection shell 1, an encoder body 2 is arranged inside the protection shell 1, a mounting plate 9 is fixedly connected to the outer surface of the protection shell 1, waist-shaped holes are formed in the side surface of the mounting plate 9, the number of the mounting plates 9 is four, the four mounting plates 9 are arranged on the outer surface of the protection shell 1 in a circumferential array mode, the protection shell 1 is conveniently connected with the stepping motor through the arrangement of the mounting plates 9, meanwhile, stepping motors with different specifications can be mounted through the waist-shaped holes, and therefore the protection device is more practical, the side surface of the protection shell 1 is in bolted connection with a fixing plate 10, the side surface of the fixing plate 10 is provided with a through hole, the inner wall of the through hole is fixedly connected with a negative pressure fan 11, the side surface of the fixing plate 10 is fixedly connected with an air outlet shell 12, the side surface of the air outlet shell 12 is provided with a step hole, and the step surface of the step hole is rotatably connected with a valve plate 13 through a rotating shaft, the side of valve plate 13 is provided with extension spring 14, and the other end of extension spring 14 and the side fixed connection of fixed plate 10 through setting up negative-pressure air fan 11, are convenient for take out the heat that encoder body 2 produced, effectively protect encoder body 2, utilize valve plate 13 and extension spring 14 simultaneously, are convenient for when not using, and valve plate 13 seals air-out casing 12, prevents that the dust from getting into inside protective housing 1.

The side fixedly connected with fixed cover 3 of protective housing 1, the inner wall of fixed cover 3 rotates through the bearing and is connected with and rotates cover 4, rotates the rotation end fixed connection of the surface of cover 4 and encoder body 2.

The inner wall of the rotating sleeve 4 is provided with a hexagonal groove, the inner wall of the hexagonal groove is connected with a hexagonal column 5 in a sliding manner, the inner wall of the hexagonal groove of the rotating sleeve 4 is provided with an annular groove, the inner wall of the annular groove is connected with a limiting ring 18 in a sliding manner, the limiting ring 18 is fixedly connected with the outer surface of the hexagonal column 5, one end of the hexagonal column 5 is fixedly connected with a spherical rotating shell 6, the inner wall of the spherical rotating shell 6 is connected with a rotating ball 7 in a rotating manner, the inner wall of the spherical rotating shell 6 is provided with a spherical groove, the inner wall of the spherical groove is provided with balls 15, the outer surface of the rotating ball 7 is provided with an arc-shaped groove matched with the balls 15, the balls 15 and the arc-shaped grooves are six, the six balls 15 are arranged on the inner wall of the spherical rotating shell 6 in a circumferential array manner, the outer surface of the rotating ball 7 is fixedly connected with a mounting sleeve 8, the inner wall of the mounting sleeve 8 is provided with a key groove, and the outer surface of the mounting sleeve 8 is provided with a threaded hole, the inner wall threaded connection of screw hole has locking bolt 16, and the surface cover of locking bolt 16 is equipped with pressure spring 17, and pressure spring 17's both ends respectively with locking bolt 16's the locking surface and the surface overlap joint of installation cover 8, through setting up installation cover 8 and locking bolt 16, be convenient for fixed with step motor's rotor shaft, utilize pressure spring 17 simultaneously, effectively play locking effect not hard up.

This step motor's encoder protector, through setting up fixed cover 3 and rotation cover 4, be convenient for utilize protecting casing 1 to support, effectively avoid the condition that lug connection caused encoder body 2 to damage, rotate cover 4 through the setting, hexagonal post 5, spherical rotation casing 6, rolling ball 7 and ball 15, ball 15 is spacing, make rolling ball 7 can rotate casing 6 synchronous rotation with spherical rotation, ball 15 removes in the arc wall simultaneously, can make the swing of motor cushion, and hexagonal post 5 removes in rotating cover 4, be convenient for cushion motor shaft drunkenness and swing, thereby effectively protect encoder body 2.

The working principle is as follows: when using this step motor's encoder protector, open step motor's shell, utilize the parallel key to link together motor shaft and installation cover 8, and it is fixed to screw up locking bolt 16, then be connected mounting panel 9 and step motor, in the use, the drunkenness and the torsional force of motor are in hexagonal column 5, spherical rotating housing 6, ball 15 and rolling ball 7's effect down, obtain the buffering, and protecting housing 1 supports encoder body 2, effectively protect encoder body 2, negative pressure fan 11's start-up makes valve plate 13 rotate simultaneously, dispel the heat to encoder body 2, encoder protector through using this step motor, effectively protect encoder body 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a step motor's encoder protector, includes protecting casing (1), its characterized in that: the inside of protective housing (1) is provided with encoder body (2), the fixed cover of side fixedly connected with (3) of protective housing (1), the inner wall of fixed cover (3) rotates through the bearing and is connected with rotation cover (4), the hexagonal groove has been seted up to the inner wall that rotates cover (4), and the inner wall sliding connection in hexagonal groove has hexagonal post (5), the spherical casing (6) that rotates of one end fixedly connected with of hexagonal post (5), the inner wall rotation that spherical casing (6) rotated is connected with rolling ball (7), the outer fixed surface of rolling ball (7) is connected with installation cover (8).

2. An encoder protector for a stepper motor as defined in claim 1, wherein: the outer surface of the rotating sleeve (4) is fixedly connected with the rotating end of the encoder body (2).

3. An encoder protector for a stepper motor as defined in claim 1, wherein: the surface fixedly connected with mounting panel (9) of protective housing (1), waist type hole has been seted up to the side of mounting panel (9), the quantity of mounting panel (9) is four, and four mounting panels (9) are the surface of circumference array setting at protective housing (1).

4. An encoder protector for a stepper motor as defined in claim 1, wherein: the side bolted connection of protective housing (1) has fixed plate (10), the through-hole has been seted up to the side of fixed plate (10), and the inner wall fixedly connected with negative-pressure air fan (11) of through-hole.

5. An encoder protector for a stepper motor as defined in claim 4, wherein: the side fixedly connected with air-out casing (12) of fixed plate (10), the step hole has been seted up to the side of air-out casing (12), and the step face in step hole rotates through the pivot and is connected with valve plate (13), the side of valve plate (13) is provided with extension spring (14).

6. An encoder protector for a stepper motor as defined in claim 1, wherein: spherical groove has been seted up to the inner wall of spherical rotation casing (6), and the inner wall of spherical groove is provided with ball (15), the arc wall with ball (15) adaptation is seted up to the surface of rotating ball (7), ball (15) and arc wall are six, and six ball (15) are the inner wall that the circumference array set up at spherical rotation casing (6).

7. An encoder protector for a stepper motor as defined in claim 1, wherein: the outer surface of the mounting sleeve (8) is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with a locking bolt (16).

8. An encoder protector for a stepper motor as defined in claim 7, wherein: and a compression spring (17) is sleeved on the outer surface of the locking bolt (16).

9. An encoder protector for a stepper motor as defined in claim 1, wherein: the inner wall of the mounting sleeve (8) is provided with a key groove.

10. An encoder protector for a stepper motor as defined in claim 1, wherein: the hexagonal groove inner wall of the rotating sleeve (4) is provided with an annular groove, the inner wall of the annular groove is connected with a limiting ring (18) in a sliding mode, and the limiting ring (18) is fixedly connected to the outer surface of the hexagonal column (5).