CN220544789U

CN220544789U - Servo motor

Info

Publication number: CN220544789U
Application number: CN202322054246.4U
Authority: CN
Inventors: 胡晓云; 郭邦伟; 母伟霖; 吴化新
Original assignee: Chengdu Hongtu Electrical Appliance Co ltd
Current assignee: Chengdu Hongtu Electrical Appliance Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-27
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses a servo motor, which belongs to the technical field of servo motors and adopts the technical scheme that the servo motor comprises a servo motor main body, wherein a supporting plate is bolted to the bottom of the servo motor, a noise reduction assembly is connected to the top of the supporting plate in a sliding manner, and the noise reduction assembly is sleeved on the surface of the servo motor main body and is contacted with the rear side of the servo motor main body; the noise reduction assembly comprises a noise reduction shell, and solves the problems that the conventional servo motor generates noise when working due to high-speed rotation of a rotor, mainly comprises bearing noise of the servo motor, structural member resonance noise and vibration noise generated when the servo motor rotates, and noise generated when protruding parts such as fan blades and rotor blades periodically collide with air when the servo motor rotates, so that the noise generated by the servo motor often affects normal life or work of people, and causes certain damage to the body of a user in a noise environment for a long time, thereby affecting the using effect.

Description

Servo motor

Technical Field

The utility model relates to the technical field of servo motors, in particular to a servo motor.

Background

The servo motor is an engine for controlling mechanical elements to run in a servo system, is an indirect speed changing device for a supplementary motor, can control the speed, has very accurate position accuracy, can convert voltage signals into torque and rotating speed to drive a control object, is controlled by input signals, can quickly respond, is used as an executing element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert received electric signals into angular displacement or angular speed on a motor shaft to be output.

The existing conventional servo motor generates noise when the rotor rotates at a high speed, mainly comprises bearing noise and structural member resonance noise of the servo motor, vibration noise generated when the servo motor rotates, and noise generated when protruding parts such as fan blades and rotor blades periodically collide with air, so that the noise generated by the servo motor often affects normal life or work of people, and certain damage is caused to the body of a user in a noise environment for a long time.

Disclosure of Invention

The utility model provides a servo motor, which aims to solve the problems that the conventional servo motor generates noise when working due to high-speed rotation of a rotor, mainly comprises bearing noise and structural member resonance noise of the servo motor, vibration noise when rotating, and noise generated by periodically striking air by protruding parts such as fan blades, rotor blades and the like when the servo motor rotates, so that the noise generated by the servo motor often affects normal life or work of people, and causes certain damage to the body of a user in a noisy environment for a long time, thereby affecting the use effect.

The utility model is realized in such a way, the servo motor comprises a servo motor main body, wherein the bottom of the servo motor is bolted with a bearing plate, the top of the bearing plate is connected with a noise reduction assembly in a sliding manner, and the noise reduction assembly is sleeved on the surface of the servo motor main body and is contacted with the rear side of the servo motor main body;

the noise reduction assembly comprises a noise reduction shell, the noise reduction shell is connected to the top of the bearing plate in a sliding mode, an acoustic layer is bolted to the inner wall of the noise reduction shell, and a sound absorption layer is bolted to the inner portion of the acoustic layer.

In order to achieve the effect of noise reduction and sound insulation on the servo motor, the servo motor is preferable in the utility model, the noise reduction shell is an aluminum plate, the sound absorption layer is a polyester fiber sound absorption plate, and the sound absorption layer is made of rock wool materials.

In order to achieve the effect of limiting the movement track of the noise reduction assembly, the servo motor is preferable, the two sides of the bottom of the noise reduction shell are fixedly connected with the sliding blocks, the surfaces of the sliding blocks are in sliding contact with the inner wall of the supporting plate, and the two sides of the top of the supporting plate are provided with sliding grooves matched with the sliding blocks.

In order to achieve the effect of conveniently realizing or relieving the coverage of the noise reduction assembly on the servo motor, the servo motor is preferable, the bottom of the bearing plate is rotationally connected with a screw, the surface of the screw is in threaded connection with a threaded sleeve, the top of the threaded sleeve is fixedly connected with a connecting rod, the bottom of the rear side of the noise reduction shell is fixedly connected with a connecting rod, and the bottom of the connecting rod extends to the bottom of the bearing plate and is fixedly connected with the threaded sleeve.

In order to achieve the effect of facilitating the movement of the connecting rod, the servo motor is preferable, the rear side of the bearing plate is provided with a moving groove matched with the connecting rod, the surface of the screw rod is sleeved with a supporting block, and the supporting block is fixedly connected with the bearing plate.

In order to achieve the effect of supporting the main body of the servo motor, as a preferable servo motor of the utility model, the top of the bearing plate is fixedly connected with a supporting plate, the top of the supporting plate is contacted with the bottom of the servo motor, and the shape of the supporting plate is arc-shaped.

In order to achieve the effect of improving the noise reduction quality, as one of the servo motors of the present utility model, preferably, a sealing member is bonded to the front side of the noise reduction housing, and the front side of the sealing member is in contact with the rear side of the servo motor body.

In order to achieve the effect of heat dissipation of the servo motor main body, as a preferable servo motor of the utility model, heat dissipation coils are arranged on both sides and the top of the inner wall of the sound absorption layer, and both ends of the heat dissipation coils extend to the outer side of the noise reduction shell.

In order to achieve the effect of facilitating structural connection between noise reduction components, the servo motor is preferable, and the sound absorption layer and the sound insulation layer are both bolted with the noise reduction shell through screws.

In order to achieve the effect of improving the sealing performance, the sealing element is preferably made of rubber materials as one of the servo motors.

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

this servo motor, through setting up the bearing board and making an uproar the subassembly of making an uproar, make an uproar the subassembly of making an uproar can slide on the bearing board, make it can cover the surface at the servo motor main part, thereby under the effect of sound absorbing layer, the produced noise is absorbed when running the servo motor main part, and under the cooperation of puigging and the casing of making an uproar use, further play dual sound insulation effect, consequently, avoid the noise that the servo motor main part produced to propagate to operational environment, avoid the ear of staff to be in the middle of the noise and receive the injury for a long time, and make an uproar the subassembly of making an uproar still can play the effect of protecting servo motor, avoid factor to influence the normal operating of servo motor main part in the external environment.

Drawings

FIG. 1 is an overall block diagram of a servo motor of the present utility model;

FIG. 2 is a schematic diagram of the connection of a servo motor body, a bearing plate and a noise reduction assembly according to the present utility model;

FIG. 3 is a schematic illustration of the connection of a noise reduction assembly to a support plate in accordance with the present utility model;

FIG. 4 is an exploded view of the noise reduction assembly of the present utility model;

FIG. 5 is a schematic view of the internal structure of the noise reduction assembly of the present utility model;

FIG. 6 is a side view of a carrier plate of the present utility model;

fig. 7 is an enlarged view of the utility model at a in fig. 3.

In the figure, 1, a servo motor main body; 2. a bearing plate; 3. a noise reduction assembly; 301. a noise reduction housing; 302. a sound insulation layer; 303. a sound absorbing layer; 4. a slide block; 5. a chute; 6. a screw; 7. a screw sleeve; 8. a connecting rod; 9. a moving groove; 10. a support block; 11. a support plate; 12. a seal; 13. and a heat dissipation coil.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-7, the present utility model provides the following technical solutions: the servo motor comprises a servo motor main body 1, wherein a bearing plate 2 is bolted to the bottom of the servo motor, a noise reduction assembly 3 is connected to the top of the bearing plate 2 in a sliding manner, and the noise reduction assembly 3 is sleeved on the surface of the servo motor main body 1 and is in contact with the rear side of the servo motor main body;

the noise reduction assembly 3 comprises a noise reduction shell 301, the noise reduction shell 301 is slidably connected to the top of the bearing plate 2, an acoustic insulation layer 302 is bolted to the inner wall of the noise reduction shell 301, and a sound absorption layer 303 is bolted to the inner portion of the acoustic insulation layer 302.

In this embodiment: through setting up the bearing board 2 and making an uproar subassembly 3 falls, it can slide on the bearing board 2 to fall subassembly 3 makes it can cover the surface at servo motor main part 1, thereby under the effect of inhaling sound layer 303, absorb the produced noise when the servo motor main part 1 moves, and under the cooperation of puigging 302 and the casing 301 of making an uproar that falls, further play dual sound insulation effect, consequently avoid the noise that servo motor main part 1 produced to propagate to operational environment, avoid the ear of staff to be in the middle of the noise and receive the injury for a long time, and fall the subassembly 3 of making an uproar and still can play the effect to servo motor protection, avoid factor to influence the normal operating of servo motor main part 1 in the external environment.

As a technical optimization scheme of the utility model, the noise reduction shell 301 is an aluminum plate, the sound absorbing layer 303 is a polyester fiber sound absorbing plate, and the sound insulating layer 302 is made of rock wool material.

In this embodiment: the noise reduction shell 301 is made of an aluminum plate, the sound absorption layer 303 is made of a polyester fiber sound absorption plate, the sound insulation layer 302 is made of a rock wool material, noise generated during operation of the servo motor main body 1 is absorbed under the action of the sound absorption layer 303, and the double sound insulation effect is further achieved under the matched use of the sound insulation layer 302 and the noise reduction shell 301, so that the noise generated by the servo motor main body 1 is prevented from being transmitted to a working environment.

As a technical optimization scheme of the utility model, both sides of the bottom of the noise reduction shell 301 are fixedly connected with the sliding blocks 4, the surfaces of the sliding blocks 4 are in sliding contact with the inner wall of the supporting plate 2, and both sides of the top of the supporting plate 2 are provided with the sliding grooves 5 matched with the sliding blocks 4.

In this embodiment: through setting up slider 4 and spout 5, under the cooperation of slider 4 and spout 5 use, can play the effect of making an uproar subassembly 3 that falls the removal orbit and restrict, make it can slide at the top of carrier plate 2.

As a technical optimization scheme of the utility model, the bottom of the bearing plate 2 is rotationally connected with a screw rod 6, the surface of the screw rod 6 is in threaded connection with a screw sleeve 7, the top of the screw sleeve 7 is fixedly connected with a connecting rod 8, the bottom of the rear side of the noise reduction shell 301 is fixedly connected with the connecting rod 8, and the bottom of the connecting rod 8 extends to the bottom of the bearing plate 2 and is fixedly connected with the screw sleeve 7.

In this embodiment: through setting up screw rod 6, swivel nut 7 and connecting rod 8, under the drive of outside drive facility, can drive screw rod 6 and rotate to under the screw thread fit of swivel nut 7 and screw rod 6, make swivel nut 7 drive connecting rod 8 remove at the surface of screw rod 6, thereby can drive the work of making an uproar of component 3 realization or canceling to the servo motor main part 1 of making an uproar that falls.

As a technical optimization scheme of the utility model, the rear side of the bearing plate 2 is provided with a moving groove 9 matched with the connecting rod 8, the surface of the screw rod 6 is sleeved with a supporting block 10, and the supporting block 10 is fixedly connected with the bearing plate 2.

In this embodiment: through setting up removal groove 9, can be convenient for connecting rod 8 at the inside removal of bearing board 2, through setting up supporting shoe 10, can reach the effect to screw rod 6 support, guarantee its stationarity at the rotation in-process.

As a technical optimization scheme of the utility model, the top of the bearing plate 2 is fixedly connected with the supporting plate 11, the top of the supporting plate 11 is contacted with the bottom of the servo motor, and the shape of the supporting plate 11 is arc-shaped.

In this embodiment: through setting up backup pad 11, can play the effect to servo motor main part 1 support and fixed, make between servo motor main part 1 can and the bearing board 2 keep the level, can make the steady operation of servo motor main part 1.

As a technical optimization of the present utility model, a seal 12 is bonded to the front side of the noise reduction housing 301, and the front side of the seal 12 contacts the rear side of the servo motor body 1.

In this embodiment: by providing the sealing member 12, the sealing property of the joint of the noise reduction assembly 3 and the servo motor main body 1 can be improved, and the noise can be prevented from leaking from the joint.

As a technical optimization scheme of the present utility model, both sides and the top of the inner wall of the sound absorbing layer 303 are provided with the heat dissipation coil 13, and both ends of the heat dissipation coil 13 extend to the outer side of the noise reduction housing 301.

In this embodiment: through setting up heat dissipation coil pipe 13, by the refrigerated cooling water of external refrigeration equipment at heat dissipation coil pipe 13 internal circulation flow, can take away the heat in the cavity between subassembly 3 and the servo motor main part 1 of making an uproar falls to play the radiating effect to servo motor main part 1, avoid the heat gathering to fall the inside of subassembly 3 of making an uproar, cause the influence to the operation of servo motor main part 1.

As a technical optimization scheme of the present utility model, the sound absorbing layer 303 and the sound insulating layer 302 are both bolted to the noise reduction housing 301 through screws.

In this embodiment: by bolting the sound absorbing layer 303 and the sound insulating layer 302 to the noise reduction housing 301 through screws, the sound absorbing layer 303, the sound insulating layer 302 and the noise reduction housing 301 are not easily separated.

As a technical optimization of the present utility model, the sealing member 12 is made of rubber material.

In this embodiment: the sealing member 12 is made of rubber material, so that the sealing performance of the joint of the noise reduction assembly 3 and the servo motor main body 1 can be improved.

Working principle: firstly, the screw rod 6 can be driven to rotate by an external driving device, the screw sleeve 7 drives the connecting rod 8 to move on the surface of the screw rod 6 and in the moving groove 9 under the threaded fit of the screw sleeve 7 and the screw rod 6, the noise reduction shell 301 can be driven to move on the top of the bearing plate 2, the sliding block 4 can be driven to move in the sliding groove 5 until the sealing piece 12 is contacted with the servo motor body 1, the noise generated when the servo motor body 1 runs is absorbed under the action of the sound absorption layer 303, and the double sound insulation effect is further achieved under the matched use of the sound insulation layer 302 and the noise reduction shell 301, so that the noise generated by the servo motor body 1 is prevented from being transmitted to the working environment, the harm to the ears of workers due to the long time is avoided, the heat generated when the servo motor body 1 works can be circularly flowed in the heat dissipation coil 13 through cooling water cooled by an external refrigeration device, the heat in a cavity formed between the noise reduction shell 301 and the servo motor body 1 is taken away, and the servo motor body 1 is subjected to heat dissipation.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A servomotor comprising a servomotor body (1), characterized in that: the bottom of the servo motor is bolted with a bearing plate (2), the top of the bearing plate (2) is connected with a noise reduction assembly (3) in a sliding manner, and the noise reduction assembly (3) is sleeved on the surface of the servo motor main body (1) and is contacted with the rear side of the servo motor main body;

the noise reduction assembly (3) comprises a noise reduction shell (301), the noise reduction shell (301) is connected to the top of the bearing plate (2) in a sliding mode, an acoustic insulation layer (302) is bolted to the inner wall of the noise reduction shell (301), and a sound absorption layer (303) is bolted to the inner portion of the acoustic insulation layer (302).

2. A servo motor as recited in claim 1, wherein: the noise reduction shell (301) is an aluminum plate, the sound absorption layer (303) is a polyester fiber sound absorption plate, and the sound insulation layer (302) is made of rock wool materials.

3. A servo motor as recited in claim 1, wherein: the noise reduction device is characterized in that sliding blocks (4) are fixedly connected to two sides of the bottom of the noise reduction shell (301), the surfaces of the sliding blocks (4) are in sliding contact with the inner wall of the supporting plate (2), and sliding grooves (5) matched with the sliding blocks (4) are formed in two sides of the top of the supporting plate (2).

4. A servo motor as recited in claim 1, wherein: the bottom of the bearing plate (2) is rotationally connected with a screw rod (6), a threaded sleeve (7) is connected to the surface of the screw rod (6), a connecting rod (8) is fixedly connected to the top of the threaded sleeve (7), a connecting rod (8) is fixedly connected to the bottom of the rear side of the noise reduction shell (301), and the bottom of the connecting rod (8) extends to the bottom of the bearing plate (2) and is fixedly connected with the threaded sleeve (7).

5. A servo motor as recited in claim 4, wherein: the rear side of the bearing plate (2) is provided with a moving groove (9) matched with the connecting rod (8), the surface of the screw rod (6) is sleeved with a supporting block (10), and the supporting block (10) is fixedly connected with the bearing plate (2).

6. A servo motor as recited in claim 1, wherein: the top fixedly connected with backup pad (11) of spandrel board (2), the top of backup pad (11) and servo motor's bottom contact, the shape of backup pad (11) is the arc.

7. A servo motor as recited in claim 1, wherein: a sealing piece (12) is adhered to the front side of the noise reduction shell (301), and the front side of the sealing piece (12) is in contact with the rear side of the servo motor main body (1).

8. A servo motor as recited in claim 1, wherein: both sides and the top of the inner wall of sound absorbing layer (303) all are provided with heat dissipation coil pipe (13), the both ends of heat dissipation coil pipe (13) all extend to the outside of noise reduction casing (301).

9. A servo motor as recited in claim 1, wherein: the sound absorbing layer (303) and the sound insulating layer (302) are both bolted with the noise reduction shell (301) through screws.

10. A servo motor as recited in claim 7, wherein: the seal (12) is made of rubber material.