CN217824522U

CN217824522U - Servo motor with good dustproof effect

Info

Publication number: CN217824522U
Application number: CN202221258985.4U
Authority: CN
Inventors: 吴戈文; 杨耀华; 魏超华
Original assignee: Shanghai Paitai Automation Co ltd
Current assignee: Shanghai Paitai Automation Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-15
Anticipated expiration: 2032-05-24

Abstract

The utility model belongs to the field of servo motors, and particularly discloses a servo motor with good dustproof effect, which comprises a servo motor body, wherein a positioning seat is fixedly arranged on a front end cover of the servo motor body, an outer rotating bearing is fixedly sleeved outside the positioning seat, and a circle of mounting ring is arranged outside the outer rotating bearing; install the dust cap on the output shaft, the dust cap is formed by the butt joint of two semicircular structure's baffle, and the baffle is outer along outside perpendicular bending type one-tenth cover and establish the dust hood outside the positioning seat, and the terminal outside perpendicular bending type one-tenth of dust hood and collar tie is with the semi-circular stationary blade of collar laminating, and the stationary blade passes through first bolt assembly rigid coupling with the collar, and two baffles pass through second bolt assembly and realize the rigid coupling. The utility model discloses can seal the installation clearance of output shaft and shelter from, effectively avoid the entering of dust, dustproof apron and dust cover wholly can rotate along with the rotation of output shaft in step, do not influence the work of output shaft, and dustproof effectual.

Description

Servo motor with good dustproof effect

Technical Field

The utility model relates to a servo motor field specifically is a servo motor that dustproof effectual.

Background

The servo motor is an engine which controls mechanical elements to operate in a servo system, and is an auxiliary motor indirect speed changing device. The servo motor can control the speed, the position precision is very accurate, and a voltage signal can be converted into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output.

However, in the existing servo motor, a certain gap is formed at the joint of the output shaft and the servo motor, dust is easily adsorbed on the surface of the output shaft and enters the servo motor from the gap, so that more dust is in the servo motor, and the body generates heat and other adverse phenomena are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a servo motor that dustproof effectual to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a servo motor with a good dustproof effect comprises a servo motor body, wherein a front end cover is installed at one end of a shell of the servo motor body, and one end of an output shaft of the servo motor body extends out of the center of the front end cover; the front end cover is fixedly provided with a positioning seat with a cylindrical structure, an inward rotating bearing rotatably assembled with the output shaft is arranged in the positioning seat, an outward rotating bearing is fixedly sleeved outside the positioning seat, and a circle of mounting ring protruding outwards is arranged outside the outward rotating bearing; the output shaft is provided with a dustproof cover plate on one side of the outer end of the positioning seat, the dustproof cover plate is formed by butt joint of two baffle plates of a semicircular structure, the baffle plates are outwards vertically bent to form a dust hood covering the outside of the positioning seat, the tail ends of the dust hood are outwards vertically bent to form semicircular fixing pieces attached to the mounting ring, the fixing pieces are fixedly connected with the mounting ring through first bolt assemblies, and the two baffle plates are fixedly connected through second bolt assemblies.

Preferably, be annular array on the collar and seted up a plurality of mounting holes, the fixed orifices that correspond with the mounting hole position is seted up at the equidistance on the stationary blade, and the stationary blade aligns the back with the collar laminating, is connected through first bolt assembly between just right mounting hole and the fixed orifices.

Preferably, a semicircular clamping groove clamped on the output shaft is reserved in the center of the opposite surfaces of the two baffles, and a layer of sealing gasket is adhered to the inner wall of the clamping groove.

Preferably, the two ends of each baffle are bent outwards to form the lug plates, positioning holes are reserved in the lug plates, and after the two baffle plates are butted and enclosed to form the dustproof cover plate, the lug plates at the two ends of each baffle plate are attached, aligned and connected through the second bolt assemblies.

Preferably, the first bolt assembly and the second bolt assembly each comprise a bolt and a nut.

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

the utility model discloses an install dustproof cover plate additional in servo motor's output shaft and the junction of front end housing, and form the cover and establish the outside dust hood that keeps off of positioning seat, can seal the installation clearance of output shaft and shelter from, effectively avoid the entering of dust, under the outside cooperation of commentaries on classics bearing of positioning seat, the terminal stationary blade of dust hood can be adorned admittedly with the collar on the bearing inner race that outwards turns, make dustproof cover plate and dust hood whole can rotate along with the rotation of output shaft in step, do not influence the work of output shaft, and dustproof effectual.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a specific structure of a mounting ring on an outer rotating bearing according to the present invention;

fig. 3 is a schematic view of the specific structure of the dustproof cover plate of the present invention.

In the figure: 1. a servo motor body; 2. a front end cover; 3. an output shaft; 4. positioning seats; 5. an inward rotation bearing; 6. an outer rotating bearing; 7. a mounting ring; 8. mounting holes; 9. a dust-proof cover plate; 10. a card slot; 11. a gasket; 12. a dust shield; 13. a fixing sheet; 14. a fixing hole; 15. a first bolt assembly; 16. an ear plate; 17. positioning holes; 18. a second bolt assembly.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a servo motor with a good dustproof effect comprises a servo motor body 1, wherein a front end cover 2 is installed at one end of a shell of the servo motor body 1, and one end of an output shaft 3 of the servo motor body 1 extends out of the center of the front end cover 2; a positioning seat 4 with a cylindrical structure is fixedly arranged on the front end cover 2, an inner rotating bearing 5 which is rotatably assembled with the output shaft 3 is arranged in the positioning seat 4, an outer rotating bearing 6 is fixedly sleeved outside the positioning seat 4, and a circle of mounting ring 7 which protrudes outwards is arranged outside the outer rotating bearing 6; the output shaft 3 is provided with a dustproof cover plate 9 on one side of the outer end of the positioning seat 4, the dustproof cover plate 9 is formed by butt joint of two baffle plates of a semicircular structure, the baffle plates are outwards vertically bent to form a dust shield 12 covering the outer part of the positioning seat 4, the tail end of the dust shield 12 is outwards vertically bent to form a semicircular fixing piece 13 attached to the mounting ring 7, the fixing piece 13 is fixedly connected with the mounting ring 7 through a first bolt assembly 15, and the two baffle plates are fixedly connected through a second bolt assembly 18.

Further, be annular array on the collar 7 and seted up a plurality of mounting holes 8, the fixed orifices 14 that correspond with mounting hole 8 position are seted up to equidistant on stationary blade 13, and stationary blade 13 aligns the back with the collar 7 laminating, is connected through first bolt assembly 15 between just right mounting hole 8 and the fixed orifices 14.

Furthermore, a semicircular clamping groove 10 clamped on the output shaft 3 is reserved in the center of the opposite surfaces of the two baffles, and a layer of sealing gasket 11 is adhered to the inner wall of the clamping groove 10.

Furthermore, the two ends of the baffle plates are bent outwards to form lug plates 16, positioning holes 17 are reserved in the lug plates 16, and after the two baffle plates are butted and enclosed to form the dustproof cover plate 9, the lug plates 16 at the two ends are attached and aligned and connected through a second bolt assembly 18.

Further, the first bolt assembly 15 and the second bolt assembly 18 each include a bolt and a nut.

The working principle is as follows:

the inner rotary bearing 5 is an inner ring rotary bearing, and the outer rotary bearing 6 is an outer ring rotary bearing.

During the installation, fix two baffles on output shaft 3 through its central draw-in groove 10 joint earlier, the otic placode 16 laminating alignment at two baffle both ends is connected through second bolt assembly 18, accomplishes the equipment of dustproof apron 9, because draw-in groove 10 inner wall is pasted and is had the sealed pad 11 of one deck, meets at two baffles and accomplishes the back, can press from both sides output shaft 3 tightly, and realizes sealing connection through sealed pad 11, avoids appearing the clearance.

When the two baffles are clamped, the dust hood 12 covers the positioning seat 4 along with the assembly of the dust cover plate 9, meanwhile, the fixing piece 13 at the tail end of the dust hood 12 is just attached and aligned with the mounting ring 7 on the outward rotating bearing 6, and the fixing piece 13 and the mounting hole 8 and the fixing hole 14 which are just opposite to each other on the mounting ring 7 are connected through the first bolt assembly 15.

Utilize the cooperation of dustproof apron 9 and dust hood 12, shelter from the clearance of output shaft 3 with the 4 junctions of positioning seat, effectively avoid the entering of dust, under the outside cooperation of the outer rotation bearing 6 of positioning seat 4, the whole synchronous rotation that can follow output shaft 3 of dustproof apron 9 and dust hood 12 does not influence output shaft 3's work, and dustproof effectual.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A servo motor with a good dustproof effect comprises a servo motor body (1), wherein a front end cover (2) is installed at one end of a shell of the servo motor body (1), and one end of an output shaft (3) of the servo motor body (1) extends out of the center of the front end cover (2); the device is characterized in that a positioning seat (4) with a cylindrical structure is fixedly arranged on the front end cover (2), an inner rotating bearing (5) which is rotatably assembled with the output shaft (3) is arranged in the positioning seat (4), an outer rotating bearing (6) is fixedly sleeved outside the positioning seat (4), and a circle of mounting ring (7) which protrudes outwards is arranged outside the outer rotating bearing (6); install dust cover (9) in positioning seat (4) outer end one side on output shaft (3), dust cover (9) are formed by two semicircular structure's baffle butt joint, and the outside perpendicular bending type in edge of baffle forms the cover and establishes in outside fender dust cover (12) of positioning seat (4), keeps off dust cover (12) terminal outside perpendicular bending type in end and half circular stationary blade (13) with collar (7) laminating, and stationary blade (13) and collar (7) are through first bolt assembly (15) rigid coupling, and the rigid coupling is realized through second bolt assembly (18) to two baffles.

2. The servo motor with good dustproof effect as claimed in claim 1, wherein: a plurality of mounting holes (8) are formed in the mounting ring (7) in an annular array mode, fixing holes (14) corresponding to the positions of the mounting holes (8) are formed in the fixing pieces (13) at equal intervals, and after the fixing pieces (13) are attached to the mounting ring (7) and aligned, the mounting holes (8) and the fixing holes (14) which are right opposite to each other are connected through first bolt assemblies (15).

3. The servo motor with good dustproof effect as claimed in claim 1, wherein: a semicircular clamping groove (10) clamped on the output shaft (3) is reserved in the center of the opposite surface of the two baffles, and a layer of sealing gasket (11) is adhered to the inner wall of the clamping groove (10).

4. The servo motor with good dustproof effect as claimed in claim 1, wherein: the two ends of the baffle plates are outwards bent to form the lug plates (16), positioning holes (17) are reserved in the lug plates (16), and after the two baffle plates are butted and enclosed to form the dustproof cover plate (9), the lug plates (16) at the two ends are attached, aligned and connected through the second bolt assembly (18).

5. The servo motor with good dustproof effect as claimed in claim 1, wherein: the first bolt assembly (15) and the second bolt assembly (18) each comprise a bolt and a nut.