CN215009848U

CN215009848U - Large permanent magnet servo motor convenient to detect and control

Info

Publication number: CN215009848U
Application number: CN202121427978.8U
Authority: CN
Inventors: 马景涛
Original assignee: Hefei Rongxu Technology Co ltd
Current assignee: Hefei Rongxu Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a large-scale permanent magnetism servo motor convenient to detect and control relates to motor technical field, which comprises an outer shell, one side of shell is provided with the front end housing, the opposite side of shell is provided with the rear end cap, the inside of shell is provided with the inner shell, the inside of inner shell is provided with stator rotor structure, stator rotor structure's inner chamber is provided with the output shaft, the output shaft is located the inside one end fixed mounting of rear end cap and has the flabellum, the rear end cap is kept away from one side of shell and is inlayed and install the filter screen. The utility model discloses in, the front end housing is the same with installing and removing the mode of rear end cap, has changed current adoption screw thread mode and has carried out the mounting means to preceding, rear end cap, when having avoided adopting the screw thread installation, the bolt is alive silk, rusty the appearance of the unexpected condition such as, has guaranteed that the end cover can be normal dismantles, and the mounting means of chucking formula, is convenient for install and remove the operation fast to the front and back end cap, and then the later stage of being convenient for overhauls it and maintains.

Description

Large permanent magnet servo motor convenient to detect and control

Technical Field

The utility model relates to the technical field of motors, specifically a large-scale permanent magnetism servo motor convenient to detect and control.

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 and position accuracy accurately, and can convert the voltage signal 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. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque.

In the use process of a large permanent magnet servo motor, structures such as an inner rotor and the like are required to be checked frequently, and the end cover is required to be detached during detection, while the end cover is mounted in a threaded mounting mode in the conventional large permanent magnet servo motor, but the screws have the situation that the screws cannot be detached, such as live screws and rusts, and a large number of screws are mounted and dismounted more complexly and are inconvenient to overhaul.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-scale permanent magnet servo motor convenient to detect and control to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a large permanent magnet servo motor convenient for detection and control comprises an outer shell, wherein a front end cover is arranged on one side of the outer shell, a rear end cover is arranged on the other side of the outer shell, an inner shell is arranged in the outer shell, a stator and rotor structure is arranged in the inner shell, an output shaft is arranged in an inner cavity of the stator and rotor structure, fan blades are fixedly mounted at one end, located in the rear end cover, of the output shaft, a filter screen is embedded and mounted on one side, away from the outer shell, of the rear end cover, six positioning blocks are fixedly mounted on opposite surfaces of the rear end cover and the front end cover, positioning holes are formed in the outer wall of each positioning block, two groups of elastic connecting structures and two groups of clamping seats are fixedly mounted on two sides of the outer wall of the outer shell respectively, clamping grooves are formed in the opposite surfaces of the two groups of clamping seats, and an arc-shaped block is fixedly connected between the movable ends of the elastic connecting structures in the same group, the middle part of the outer wall of the arc-shaped block is fixedly provided with a pull ring, and the inner wall of the pull ring is fixedly provided with a positioning rod matched with the positioning hole.

As a further aspect of the present invention: the elastic connection structure comprises a sleeve, the sleeve is connected with a movable column in a sliding mode through a sliding hole formed in one side of the sleeve, a stop block is fixedly mounted at one end, located inside the sleeve, of the movable column, and a spring is mounted between the outer wall of the movable column, located on one side of the stop block, and one side of the inner wall of the sleeve in a sleeved mode.

As a further aspect of the present invention: the equal fixed mounting in inside top of sleeve and bottom has the gib block, the upper portion and the lower part of dog one side all set up with the spout of gib block looks adaptation, and spout and gib block sliding connection.

As a further aspect of the present invention: the inner wall fixed mounting of shell has four slide rails, the outer wall fixed mounting of inner shell has four sliders with slide rail looks adaptation, and slide rail and slider sliding connection.

As a further aspect of the present invention: the inner wall of shell and the one side fixed mounting that is close to the rear end cap have and keep off the ring, the inner chamber diameter that keeps off the ring is greater than the diameter of flabellum.

As a further aspect of the present invention: the stator and rotor structure is composed of a stator core, a stator winding and a rotor.

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

1. when the rear end cover is installed, the two pull rings on the right side are pulled, the elastic connecting structure is stretched through the arc-shaped block, the integral length of the elastic connecting structure is longer, the positioning rod is separated from the inside of the clamping groove at the moment, the positioning block on the rear end cover enters the inside of the clamping groove, then the pull rings are loosened, the elastic connecting structure is elastically contracted and reset at the moment, the positioning rod is reset and enters the inside of the positioning hole to be clamped, and the positioning block is fixed, so that the rear end cover is installed, and similarly, the rear end cover can also be disassembled, the front end cover and the rear end cover are assembled and disassembled in the same way, the existing method for installing the front end cover and the rear end cover by adopting a thread way is changed, the occurrence of unexpected situations such as bolt live wire, rusting and the like when the thread is adopted for installation is avoided, the normal disassembly of the end cover is ensured, and the clamping type installation way is adopted, the operation is installed and removed to the front and back end cover fast convenient to, and then is convenient for the later stage to overhaul and maintain it.

2. The utility model discloses after the front end cover is dismantled, stator rotor structure and output shaft are installed in the inside of slider, and between shell and the inner shell, slide through the effect of slide rail and slider, so the inner shell can slide in the inside of shell, can wholly take the inner shell out, further be favorable to the easy access, simultaneously, also can abandon the change with inner shell and the inside whole of inner shell, install new inner shell additional in the inside of shell, improve the speed of maintenance, the cost of maintenance has also been reduced.

Drawings

Fig. 1 is a schematic structural diagram of a large permanent magnet servo motor convenient for detection and control.

Fig. 2 is a schematic cross-sectional structural view of a rear end cover in a large permanent magnet servo motor convenient for detection and control.

Fig. 3 is a schematic side view of a housing of a large permanent magnet servo motor for easy detection and control.

Fig. 4 is a schematic cross-sectional structural diagram of a sleeve in a large permanent magnet servo motor, which is convenient for detection and control.

The labels in the figure are: 1. a housing; 2. a slide rail; 3. a slider; 4. an inner shell; 5. a rear end cap; 6. a fan blade; 7. a baffle ring; 8. a stator-rotor structure; 9. an output shaft; 10. a front end cover; 11. positioning holes; 12. positioning blocks; 13. a filter screen; 14. a card holder; 15. a card slot; 16. positioning a rod; 17. an elastic connection structure; 18. an arc-shaped block; 19. a pull ring; 20. a stopper; 21. a sleeve; 22. a movable post; 23. a spring.

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, in the embodiment of the present invention, a large permanent magnet servo motor convenient for detection and control includes an outer casing 1, a front end cap 10 is disposed on one side of the outer casing 1, a rear end cap 5 is disposed on the other side of the outer casing 1, an inner casing 4 is disposed inside the outer casing 1, a stator-rotor structure 8 is disposed inside the inner casing 4, an output shaft 9 is disposed in an inner cavity of the stator-rotor structure 8, a fan blade 6 is fixedly mounted on one end of the output shaft 9 located inside the rear end cap 5, a filter screen 13 is mounted on one side of the rear end cap 5 away from the outer casing 1, six positioning blocks 12 are fixedly mounted on opposite surfaces of the rear end cap 5 and the front end cap 10, positioning holes 11 are disposed on outer walls of the positioning blocks 12, two sets of elastic connection structures 17 and two sets of clamping seats 14 are respectively fixedly mounted on two sides of an outer wall of the outer casing 1, clamping seats 14 are respectively provided with clamping grooves 15, an arc block 18 is fixedly connected between movable ends of the elastic connection structures 17, the middle part of the outer wall of the arc-shaped block 18 is fixedly provided with a pull ring 19, and the inner wall of the pull ring 19 is fixedly provided with a positioning rod 16 matched with the positioning hole 11.

Elastic connection structure 17 includes sleeve 21, and sleeve 21 has movable post 22 through the sliding hole sliding connection that its one side was seted up, and movable post 22 is located the inside one end fixed mounting of sleeve 21 has dog 20, and the outer wall of movable post 22 just is located and cup joints between one side of dog 20 and one side of sleeve 21 inner wall and installs spring 23.

The movable column 22 drives the stopper 20 to move, at this time, the stopper 20 extrudes the spring 23, and at the same time, the movable column 22 can be reset under the elastic action of the spring 23.

The inside top and the equal fixed mounting in bottom of sleeve 21 have the gib block, the upper portion and the lower part of dog 20 one side all offer with the spout of gib block looks adaptation, and spout and gib block sliding connection.

The inner wall fixed mounting of shell 1 has four slide rails 2, and the outer wall fixed mounting of inner shell 4 has four sliders 3 with slide rail 2 looks adaptation, and slide rail 2 and slider 3 sliding connection.

A baffle ring 7 is fixedly arranged on one side of the inner wall of the shell 1, which is close to the rear end cover 5, and the diameter of the inner cavity of the baffle ring 7 is larger than that of the fan blades 6.

The stator-rotor structure 8 is composed of a stator core, a stator winding and a rotor.

The utility model discloses a theory of operation is: when the rear end cover 5 is installed, two pull rings 19 positioned on the right side are pulled, the elastic connecting structure 17 is stretched through the arc-shaped block 18, the integral length of the elastic connecting structure 17 is long, at the moment, the positioning rod 16 is separated from the inside of the clamping groove 15, the positioning block 12 on the rear end cover 5 enters the inside of the clamping groove 15, then the pull ring 19 is loosened, at the moment, the elastic connecting structure 17 elastically contracts and resets, the positioning rod 16 resets and enters the inside of the positioning hole 11 to be clamped, and the positioning block 12 is fixed, so that the installation of the rear end cover 5 is realized, and similarly, the rear end cover 5 can be disassembled, the front end cover 10 and the rear end cover 5 are assembled and disassembled in the same way, the existing installation way of the front end cover and the rear end cover by adopting a thread way is changed, the occurrence of accidents such as bolt live wire, rusting and the like when the thread installation is adopted is avoided, and the normal disassembly of the end cover is ensured, the clamping type mounting mode is convenient for quickly mounting and dismounting the front end cover and the rear end cover, so that the front end cover and the rear end cover are convenient to overhaul and maintain at the later stage;

after current end cover 10 is dismantled, stator rotor structure 8 is the inside of installing at slider 3 with output shaft 9, and between shell 1 and the inner shell 4, slide through slide rail 2 and slider 3's effect, so inner shell 4 can slide in the inside of shell 1, can wholly take inner shell 4 out, further be favorable to the easy access, simultaneously, also can change inner shell 4 and the inside whole abandonment of inner shell 4, install new inner shell 4 additional in the inside of shell 1, the speed of maintenance is improved, the cost of maintenance has also been reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a large-scale permanent magnet servo motor convenient to detect and control, includes shell (1), its characterized in that: a front end cover (10) is arranged on one side of the outer shell (1), a rear end cover (5) is arranged on the other side of the outer shell (1), an inner shell (4) is arranged inside the outer shell (1), a stator rotor structure (8) is arranged inside the inner shell (4), an output shaft (9) is arranged in an inner cavity of the stator rotor structure (8), a fan blade (6) is fixedly mounted at one end, located inside the rear end cover (5), of the output shaft (9), a filter screen (13) is embedded and mounted on one side, far away from the outer shell (1), of the rear end cover (5), six positioning blocks (12) are fixedly mounted on opposite surfaces of the front end cover (10) and the rear end cover (5), positioning holes (11) are formed in the outer wall of the positioning blocks (12), two elastic connecting structures (17) and two clamping seats (14) are fixedly mounted on two sides of the outer wall of the outer shell (1), clamping grooves (15) are formed in the back faces of the two clamping seats (14), an arc-shaped block (18) is fixedly connected between the movable ends of the elastic connecting structures (17), a pull ring (19) is fixedly mounted in the middle of the outer wall of the arc-shaped block (18), and a positioning rod (16) matched with the positioning hole (11) is fixedly mounted on the inner wall of the pull ring (19).

2. A large permanent magnet servo motor facilitating detection and control according to claim 1, wherein: elastic connection structure (17) include sleeve (21), sliding hole sliding connection that sleeve (21) was seted up through its one side has movable post (22), the one end fixed mounting that movable post (22) are located sleeve (21) inside has dog (20), cup joint between the outer wall of activity post (22) and the one side that is located one side of dog (20) and sleeve (21) inner wall and install spring (23).

3. A large permanent magnet servo motor facilitating detection and control according to claim 2, wherein: the top and the bottom of sleeve (21) inside all fixed mounting have the gib block, the upper portion and the lower part of dog (20) one side all seted up with the spout of gib block looks adaptation, and spout and gib block sliding connection.

4. A large permanent magnet servo motor facilitating detection and control according to claim 1, wherein: the inner wall fixed mounting of shell (1) has four slide rails (2), the outer wall fixed mounting of inner shell (4) has four slider (3) with slide rail (2) looks adaptation, and slide rail (2) and slider (3) sliding connection.

5. A large permanent magnet servo motor facilitating detection and control according to claim 4, wherein: the inner wall of the shell (1) and one side close to the rear end cover (5) are fixedly provided with a baffle ring (7), and the diameter of the inner cavity of the baffle ring (7) is larger than that of the fan blades (6).

6. A large permanent magnet servo motor facilitating detection and control according to claim 1, wherein: the stator and rotor structure (8) is composed of a stator core, a stator winding and a rotor.