CN216672774U

CN216672774U - Servo motor low noise shock-absorbing structure

Info

Publication number: CN216672774U
Application number: CN202122986993.2U
Authority: CN
Inventors: 罗杰元
Original assignee: Dongguan Yaoxingda Automation Equipment Co ltd
Current assignee: Dongguan Yaoxingda Automation Equipment Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-03
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to the technical field of bottom noise damping of servo motors, in particular to a low-noise damping structure of a servo motor. The utility model has the advantages that: prevent spin device through the outside at fixing bolt cup joints the bolt, make the unable anticlockwise rotation of fixing bolt, can avoid leading to fixing bolt to take place not hard up because servo motor's vibrations, the motor takes place vibrations and still can produce a large amount of noises at the work, cause noise pollution, workman's hearing to among the operational environment causes the lasting harm, the shock attenuation shell of rubber material, the fan mounting bracket, device such as shock attenuation mounting pad can effectually prevent that servo motor from colliding with positions such as mounting panel when vibrations and making sound, absorb power and sound that servo motor produced when vibrations, prevent the noise propagation, it can also prevent to produce the space between servo motor and the mounting panel to have elastic shock attenuation mounting pad.

Description

Servo motor low noise shock-absorbing structure

Technical Field

The utility model relates to the technical field of bottom noise damping of servo motors, in particular to a low-noise damping structure of a servo motor.

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 speed and position accuracy very accurately, and can convert a voltage signal into torque and rotating speed to drive a control object. The servo motor has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, can convert a received electric signal into angular displacement or angular velocity on a motor shaft to be output, is widely applied to daily life and production, can inevitably generate vibration in the working process because the motor output needs to rotate, can cause a gap to appear at the joint of the motor and a mounting plate when the motor vibrates for a long time to cause the gradual deviation of the motor, can even cause a screw to spin and loosen even if the state is continuously maintained for a long time, causes the motor to directly separate from the mounting plate, causes the self rotation of the motor, loses the power output effect, and can generate a large amount of noise when the motor vibrates in working, causing noise pollution and causing continuous damage to the hearing of workers in the working environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a low-noise damping structure of a servo motor.

The purpose of the utility model is realized by the following technical scheme: servo motor low noise shock-absorbing structure, including servo motor, a shock attenuation shell, two have been cup jointed respectively to servo motor's both sides one side of shock attenuation shell is provided with a radiator fan mounting bracket, radiator fan, two of radiator fan mounting bracket's inside fixedly connected with radiator fan the opposite side of shock attenuation shell is provided with a shock attenuation mounting pad, one side of radiator fan mounting bracket is pegged graft and is had four fixing bolt, every fixing bolt's surface all cup jointed a bolt and prevented spin device.

Optionally, the shock attenuation shell is a character cut in bas-relief shape structure, the internal surface of shock attenuation shell one side and servo motor's surface looks adaptation, two the mutual symmetry of shock attenuation shell, two the mutual overlap joint of one side of shock attenuation shell, every a first through-hole has all been seted up to the both sides of shock attenuation shell, first through-hole runs through to the both sides of shock attenuation shell.

Optionally, the cooling fan mounting bracket is of a cuboid structure, a cooling fan placing groove is formed in the cooling fan mounting bracket, the cooling fan placing groove penetrates through one side of the cooling fan mounting bracket, the outer surface of the cooling fan is matched with the inner surface of the cooling fan placing groove, one side of the outer surface of the cooling fan is fixedly connected in the cooling fan placing groove, and one side of the cooling fan mounting bracket is in lap joint with one side of the two damping shells.

Optionally, four corners of the cooling fan mounting bracket are respectively provided with a second through hole, the second through holes penetrate through two sides of the cooling fan mounting bracket, the diameter of the four second through holes is equal to that of the first through holes, and the four second through holes correspond to the four first through holes in position respectively.

Optionally, the shock attenuation mounting pad is a cuboid structure, one side of shock attenuation mounting pad and one side looks adaptation of servo motor output, one side of shock attenuation mounting pad and one side overlap joint of two shock attenuation shells, an output shaft hole has been seted up at the middle part of shock attenuation mounting pad, servo motor's output runs through to one side in output shaft hole.

Optionally, four corners of the shock absorption mounting pad are respectively provided with a third through hole, the diameter of the inner surface of the third through hole is equal to that of the inner surface of the first through hole, and the four third through holes respectively correspond to the positions of the four first through holes.

Optionally, fixing bolt's surface diameter equals with the internal surface diameter of first through-hole, fixing bolt runs through first through-hole, second through-hole and third through-hole to one side of shock attenuation mounting pad respectively, fixing bolt's one side is seted up threadedly, a plurality of first tooth of one side fixedly connected with of fixing bolt, it is a plurality of first tooth is circumference array distribution.

Optionally, the bolt anti-self-rotation device comprises two gaskets, one side of each gasket is fixedly connected with a spring, one side of each gasket is fixedly connected with a plurality of second teeth, and the second teeth are meshed with the first teeth.

Optionally, the damping housing, the fan mounting bracket and the damping mounting pad are all made of rubber.

The utility model has the following advantages:

1. because the output of the motor needs to rotate, the motor inevitably generates vibration in the working process, and the motor vibrates for a long time and can cause a gap to be formed at the joint of the motor and the mounting plate, so that the motor gradually deflects, the state is continued for a long time and even the screw is loosened, so that the motor is directly separated from the mounting plate, the motor self-rotates and loses the power output effect. At the moment, the fixing bolt cannot spin, and the phenomenon that the fixing bolt is loosened due to vibration of the servo motor can be avoided.

2. The motor takes place vibrations and still can produce a large amount of noises at the work, cause noise pollution, workman's hearing to among the operational environment causes the continuation harm, the shock attenuation shell of rubber material, the fan mounting bracket, device such as shock attenuation mounting pad can effectually prevent that servo motor from colliding with positions such as mounting panel when vibrations and making sound, the shock attenuation shell can wrap up servo motor well, absorb power and sound that servo motor produced when vibrations, prevent noise propagation, take elastic shock attenuation mounting pad can also prevent to produce the space between servo motor and the mounting panel.

Drawings

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

FIG. 2 is a schematic illustration of the explosive structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

fig. 4 is a schematic structural diagram of a mounting bracket of a cooling fan according to the present invention.

In the figure: 1-a servo motor, 2-a damping shell, 201-a first through hole, 3-a radiator fan mounting rack, 301-a radiator fan placing groove, 302-a second through hole, 4-a radiator fan, 5-a damping mounting pad, 501-an output shaft hole, 502-a third through hole, 6-a fixing bolt, 7-a bolt anti-spinning device, 701-a gasket and 702-a spring.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 4, the low-noise damping structure for the servo motor provided by the utility model comprises a servo motor 1, wherein two sides of the servo motor 1 are respectively sleeved with a damping shell 2, one side of each of the two damping shells 2 is provided with a cooling fan mounting frame 3, a cooling fan 4 is fixedly connected inside the cooling fan mounting frame 3, the other side of each of the two damping shells 2 is provided with a damping mounting pad 5, one side of the cooling fan mounting frame 3 is inserted with four fixing bolts 6, and the outer surface of each fixing bolt 6 is sleeved with a bolt self-rotation prevention device 7.

As a preferred technical scheme of the utility model: shock attenuation shell 2 is a character cut in bas-relief shape structure, the internal surface of shock attenuation shell 2 one side and servo motor 1's surface looks adaptation, two shock attenuation shell 2 mutual symmetries, two shock attenuation shell 2's one side overlap joint each other, a first through-hole 201 has all been seted up to every shock attenuation shell 2's both sides, first through-hole 201 runs through to shock attenuation shell 2's both sides, inner chamber between two shock attenuation shells 2 just with servo motor 1's surface looks adaptation, form the parcel to servo motor 1.

As a preferred technical scheme of the utility model: radiator fan mounting bracket 3 is a cuboid structure, radiator fan standing groove 301 has been seted up to radiator fan mounting bracket 3's inside, radiator fan standing groove 301 runs through to one side of radiator fan mounting bracket 3, radiator fan 4's surface and radiator fan standing groove 301's internal surface looks adaptation, one side fixed connection in radiator fan standing groove 301 of 4 surfaces of radiator fan, one side and one side overlap joint of two shock attenuation shell 2 of radiator fan mounting bracket 3, radiator fan 4 can be better dispels the heat to servo motor 1, prevent that servo motor 1 from wrapping up too tightly and inconvenient heat dissipation.

As a preferred technical scheme of the utility model: a second through hole 302 is respectively opened at four corners of the cooling fan mounting bracket 3, the second through hole 302 penetrates through to two sides of the cooling fan mounting bracket 3, the diameter of the four second through holes 302 is equal to that of the first through holes 201, and the four second through holes 302 correspond to the positions of the four first through holes 201 respectively.

As a preferred technical scheme of the utility model: the shock absorption mounting pad 5 is a cuboid structure, one side of shock absorption mounting pad 5 and one side looks adaptation of servo motor 1 output, one side of shock absorption mounting pad 5 and one side overlap joint of two shock attenuation shells 2, and an output shaft hole 501 has been seted up at the middle part of shock absorption mounting pad 5, and servo motor 1's output runs through to one side of output shaft hole 501.

As a preferred technical scheme of the utility model: the four corners of the shock absorption mounting pad 5 are respectively provided with a third through hole 502, the diameter of the inner surface of the third through hole 502 is equal to that of the inner surface of the first through hole 201, and the four third through holes 502 respectively correspond to the positions of the four first through holes 201.

As a preferred technical scheme of the utility model: the outer surface diameter of fixing bolt 6 equals with the internal surface diameter of first through-hole 201, and fixing bolt 6 runs through first through-hole 201, second through-hole 302 and third through-hole 502 respectively to one side of shock attenuation mounting pad 5, and the screw thread has been seted up to one side of fixing bolt 6, and a plurality of first teeth of one side fixedly connected with of fixing bolt 6, a plurality of first teeth are the circumference array and distribute.

As a preferred technical scheme of the utility model: the bolt anti-spin device 7 comprises two gaskets 701, one side of each of the two gaskets 701 is fixedly connected with a spring 702, one side of one gasket 701 is fixedly connected with a plurality of second teeth which are mutually meshed with the first teeth, the self-rotation preventing device 7 of the bolt is sleeved outside the fixing bolt 6, and as the fixing bolt 6 needs to be tightly rotated downwards, the spring 702 between the two washers 701 is always in a fully compressed state, and when the fixing bolt 6 is shaken by the servo motor 1, the spring force of the spring 702 will always press tightly against the washer 701 with the second teeth against the fixing bolt 6, the second tooth is clamped with the first tooth on the fixing bolt 6, so that the fixing bolt 6 cannot rotate anticlockwise, the fixing bolt 6 cannot spin, and looseness of the fixing bolt 6 caused by vibration of the servo motor 1 can be avoided.

As a preferred technical scheme of the utility model: damping housing 2, fan mounting bracket 3, the material of shock attenuation mounting pad 5 is rubber, the damping housing 2 of rubber material, fan mounting bracket 3, device such as shock attenuation mounting pad 5 can effectually prevent that servo motor 1 from shaking when colliding with positions such as mounting panel and making sound, damping housing 2 can wrap up servo motor 1 well, absorb power and sound that servo motor 1 produced when shaking, prevent the noise propagation, elastic shock attenuation mounting pad 5 can also prevent to produce the space between servo motor 1 and the mounting panel.

In summary, the following steps: because the output of the motor needs to rotate, vibration is inevitably generated in the working process, and the motor vibrates for a long time and can cause a gap to be formed at the joint of the motor and the mounting plate, so that the motor gradually deviates, and the state is continued for a long time and even can cause screw loosening, so that the motor is directly separated from the mounting plate, the motor self-rotates and loses the power output effect, the bolt self-rotation preventing device 7 is sleeved outside the fixing bolt 6, because the fixing bolt 6 needs to rotate downwards tightly, the spring 702 between the two gaskets 701 is always in a complete compression state, when the fixing bolt 6 vibrates due to the servo motor 1, the elastic force of the spring 702 always pushes the gasket 701 with the second tooth to be tightly attached to the fixing bolt 6, and the second tooth is clamped with the first tooth on the fixing bolt 6, so that the fixing bolt 6 cannot rotate anticlockwise, at the moment, the fixing bolt 6 cannot spin, so that the fixing bolt 6 can be prevented from loosening due to the vibration of the servo motor 1; the motor takes place vibrations and still can produce a large amount of noises in the work, cause noise pollution, workman's hearing to the operational environment causes the lasting harm, the shock attenuation shell 2 of rubber material, fan mounting bracket 3, device such as shock attenuation mounting pad 5 can effectually prevent that servo motor 1 from colliding with positions such as mounting panel when vibrations and making sound, shock attenuation shell 2 can wrap up servo motor 1 well, absorb power and sound that servo motor 1 produced when vibrations, prevent noise propagation, it can also prevent to produce the space between servo motor 1 and the mounting panel to have elastic shock attenuation mounting pad 5.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Servo motor low noise shock-absorbing structure, its characterized in that: including servo motor (1), a damper housing (2), two have been cup jointed respectively to the both sides of servo motor (1) one side of damper housing (2) is provided with a radiator fan mounting bracket (3), radiator fan (4) of the inside fixedly connected with of radiator fan mounting bracket (3), two the opposite side of damper housing (2) is provided with a shock attenuation mounting pad (5), one side of radiator fan mounting bracket (3) is pegged graft and is had four fixing bolt (6), every the surface of fixing bolt (6) has all cup jointed a bolt and has prevented spin device (7).

2. The low-noise damping structure of a servo motor according to claim 1, wherein: shock attenuation shell (2) are a character cut in bas-relief shape structure, the internal surface of shock attenuation shell (2) one side and the surface looks adaptation of servo motor (1), two the mutual symmetry of shock attenuation shell (2), two the mutual overlap joint of one side of shock attenuation shell (2), every a first through-hole (201) has all been seted up to the both sides of shock attenuation shell (2), first through-hole (201) run through to the both sides of shock attenuation shell (2).

3. The low-noise damping structure of a servo motor according to claim 1, wherein: the cooling fan mounting bracket is characterized in that the cooling fan mounting bracket (3) is of a cuboid structure, a cooling fan placing groove (301) is formed in the cooling fan mounting bracket (3), the cooling fan placing groove (301) runs through one side of the cooling fan mounting bracket (3), the outer surface of the cooling fan (4) is matched with the inner surface of the cooling fan placing groove (301), one side of the outer surface of the cooling fan (4) is fixedly connected in the cooling fan placing groove (301), and one side of the cooling fan mounting bracket (3) is in lap joint with one sides of the two damping shells (2).

4. The low-noise damping structure of a servo motor according to claim 1, wherein: one second through hole (302) has been seted up respectively in the four corners of radiator fan mounting bracket (3), second through hole (302) run through to the both sides of radiator fan mounting bracket (3), four the diameter of second through hole (302) equals with the diameter of first through hole (201), four second through hole (302) respectively with four the position of first through hole (201) is corresponding.

5. The low-noise damping structure of a servo motor according to claim 1, wherein: shock attenuation mounting pad (5) are a cuboid structure, one side of shock attenuation mounting pad (5) and one side looks adaptation of servo motor (1) output, one side of shock attenuation mounting pad (5) and one side overlap joint of two shock attenuation shells (2), one output shaft hole (501) has been seted up at the middle part of shock attenuation mounting pad (5), the output of servo motor (1) runs through to one side of output shaft hole (501).

6. The low-noise damping structure of a servo motor according to claim 1, wherein: a third through hole (502) is respectively formed in four corners of the shock absorption mounting pad (5), the diameter of the inner surface of the third through hole (502) is equal to that of the inner surface of the first through hole (201), and the four third through holes (502) respectively correspond to the positions of the four first through holes (201).

7. The low-noise damping structure of a servo motor according to claim 1, wherein: the outer surface diameter of fixing bolt (6) equals with the internal surface diameter of first through-hole (201), fixing bolt (6) run through one side of first through-hole (201), second through-hole (302) and third through-hole (502) to shock attenuation mounting pad (5) respectively, the screw thread has been seted up to one side of fixing bolt (6), a plurality of first tooth of one side fixedly connected with of fixing bolt (6), it is a plurality of first tooth is circumference array distribution.

8. The low-noise damping structure of a servo motor according to claim 1, wherein: the bolt anti-self-rotation device (7) comprises two gaskets (701), one side of each gasket (701) is fixedly connected with a spring (702), one side of each gasket (701) is fixedly connected with a plurality of second teeth, and the second teeth are meshed with the first teeth.