CN218352313U

CN218352313U - Noise-reduction and heat-dissipation closed-loop stepping motor

Info

Publication number: CN218352313U
Application number: CN202222612178.4U
Authority: CN
Inventors: 刘普亮; 刘普新
Original assignee: Dongguan City Jing Long Motor Co ltd
Current assignee: Dongguan City Jing Long Motor Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-20
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to the technical field of stepping motors, in particular to a noise-reducing and heat-dissipating closed-loop stepping motor, which comprises a shell, wherein a stepping motor is arranged in the shell, a top plate is fixed on the stepping motor and is fixed on the shell through a bolt, the shell is of a hollow structure, a groove is formed in the shell, a channel is arranged in the shell and is communicated with the groove, a bottom plate is attached to the lower end of the shell and is fixed at the bottom of the shell through a screw, a waterproof rubber pad is bonded on the top plate, the sealing of the driving shaft and the top plate is ensured, and the waterproof protection of the driving shaft and the top plate is effectively ensured; radiator fan upwards bloies, passes the cavity that the passageway entered into the shell with wind, mixes the heat that step motor produced and air, discharges air and thermal mixture through the heat dissipation opening, and porous sponge piece can inhale the sound operation to step motor simultaneously, guarantees step motor's the abundant heat dissipation of making an uproar of falling.

Description

Noise-reduction heat-dissipation closed-loop stepping motor

Technical Field

The utility model relates to a step motor technical field specifically is a radiating closed loop step motor of making an uproar falls.

Background

The stepping motor is an open-loop control element for converting an electric pulse signal into angular displacement or linear displacement; in the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle.

The step motor is an induction motor, and its working principle is that it utilizes electronic circuit to change the direct current into time-sharing power supply, and utilizes multiphase time sequence to control current, and uses said current to supply power for step motor, and the step motor can normally work, and its driver is a multi-phase time sequence controller for time-sharing power supply of step motor.

A large amount of heat and noise can be often produced in the use process of the stepping motor, but the heat produced by the existing stepping motor can cause accumulation, damage is caused to the stepping motor, the using effect of the stepping motor is influenced, and meanwhile, the noise of the stepping motor is large, and the using range of the stepping motor is influenced.

For example, the publication No. CN 217159427U discloses a closed-loop stepping motor capable of reducing noise and dissipating heat, which includes a stepping motor and a driving part for controlling the stepping motor, where the driving part includes a driving board arranged on a rear cover of the stepping motor and a protective cover covering the driving board and connected with the rear cover of the stepping motor, a heat sink is arranged at an end of the protective cover, a ventilation grid is arranged on one side of the protective cover, an air inducing device capable of accelerating air flow in the protective cover is fixedly mounted on one side of the protective cover opposite to the ventilation grid, a mounting seat is further arranged on the rear cover of the stepping motor, and a noise reducing device capable of covering the stepping motor is arranged on the mounting seat. The utility model discloses can realize cooling down effectively to closed loop step motor's under the running state drive division to the processing of making an uproar falls in step motor's mechanical drive portion, extension closed loop step motor's life, noise abatement pollution.

Often can produce a large amount of heats and noise in the step motor use, combine above-mentioned prior art to know, the heat that step motor produced can cause the accumulation, causes the damage to step motor, influences step motor's result of use, and step motor's noise is great simultaneously, influences step motor's application range, and the problem is ubiquitous, and the urgent need for improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radiating closed loop step motor of making an uproar falls to solve and fall the poor problem of radiating effect of making an uproar.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a radiating closed loop step motor of making an uproar falls, includes the shell, be provided with step motor in the shell, step motor sets up in the shell, step motor is last to be fixed with the roof, and the roof is the rectangular plate, and fixed welding is in step motor's the outside, and the roof passes through the bolt fastening on the shell, and the roof passes through the top of bolt fastening at the shell.

Preferably, the shell is of a hollow structure, a groove is formed in the shell and is formed in the bottom of the shell, and the cavity of the shell is separated from the groove.

Preferably, a channel is arranged in the shell, the channel is arranged in the shell and communicated with the groove, and air enters the cavity of the shell through the channel.

Preferably, the lower end of the shell is attached with a bottom plate, the bottom plate is attached to the lower end of the shell and fixed to the bottom of the shell through screws, and the screws penetrate through the bottom plate and are connected to the bottom of the shell in a threaded mode to fix the bottom plate to the lower end of the shell.

Preferably, a heat dissipation fan is fixed on the bottom plate, the heat dissipation fan is fixedly welded at the center of the upper end of the bottom plate, and the heat dissipation fan blows air upwards.

Preferably, a porous sponge block is fixed on the inner wall of the shell, is annular and is fixedly bonded on the inner wall of the shell.

Preferably, the heat dissipation opening has been seted up on the shell, and the heat dissipation opening is seted up in the outside of shell, and the heat dissipation opening link up porous sponge piece, has seted up a plurality of openings on the porous sponge piece to porous sponge piece and heat dissipation opening one-to-one.

Preferably, a waterproof rubber pad is fixedly bonded on the top plate, and the waterproof rubber pad is fixedly bonded at the center of the upper end of the top plate.

Preferably, step motor's power shaft is the drive shaft, and step motor can drive the drive shaft and rotate, and the drive shaft link up roof and waterproof rubber pad, and the drive shaft passes roof and waterproof rubber pad, and the waterproof rubber pad laminating is at the outer wall of drive shaft, guarantees the waterproof protection of drive shaft and shell.

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

1. the utility model discloses a waterproof rubber pad bonds on the roof, guarantees the shutoff of drive shaft and roof, effectual drive shaft and the roof water proof of guaranteeing.

2. The utility model discloses can upwards blow through radiator fan, pass the cavity that the passageway entered into the shell with wind, mix the heat that step motor produced with the air, discharge air and thermal mixture through the heat dissipation opening, porous sponge piece can inhale the sound operation to step motor simultaneously, guarantees step motor's the abundant heat of making an uproar of falling.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a bottom view of the present invention.

In the figure: 1. a housing; 21. a groove; 22. a channel; 23. a base plate; 24. a heat-dissipating fan; 31. a porous sponge block; 32. a heat dissipation port; 41. a top plate; 42. a stepping motor; 43. a waterproof rubber pad; 44. a drive shaft.

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 efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, the noise-reducing and heat-dissipating closed-loop stepping motor shown in the figures includes a housing 1, a stepping motor 42 is disposed in the housing 1, the stepping motor 42 is disposed in the housing 1, a top plate 41 is fixed on the stepping motor 42, the top plate 41 is a rectangular plate and is fixedly welded to the outer side of the stepping motor 42, the top plate 41 is fixed on the housing 1 by bolts, and the top plate 41 is fixed on the top of the housing 1 by bolts.

Wherein, for the heat dissipation operation of step motor 42, shell 1 is hollow structure, recess 21 has been seted up in shell 1, recess 21 sets up in the bottom of shell 1, and the cavity and the recess 21 of shell 1 separate, be provided with passageway 22 in the shell 1, passageway 22 sets up in shell 1, and passageway 22 and recess 21 intercommunication, the air passes through passageway 22 and enters into in the cavity of shell 1, the lower extreme laminating of shell 1 has bottom plate 23, bottom plate 23 laminates at the lower extreme of shell 1, and bottom plate 23 is fixed in shell 1 bottom through the screw, the screw passes bottom plate 23 threaded connection in shell 1 bottom, fix bottom plate 23 at the lower extreme of shell 1, be fixed with radiator fan 24 on bottom plate 23, radiator fan 24 fixed welding is in the upper end center of bottom plate 23, radiator fan 24 blows upwards.

When this step motor used: when the heat dissipation fan 24 is turned on, the heat dissipation fan 24 blows air upwards, the air enters the cavity of the housing 1 through the channel 22, the air and the heat are mixed, and then the air and the heat mixture are discharged through the heat dissipation port 32, so that the heat dissipation operation of the stepping motor 42 is effectively performed.

Example 2

Referring to fig. 1 to 3, in this embodiment, as further described in embodiment 1, a noise-reducing and heat-dissipating closed-loop stepping motor is shown, which includes a housing 1, a stepping motor 42 is disposed in the housing 1, the stepping motor 42 is disposed in the housing 1, a top plate 41 is fixed on the stepping motor 42, the top plate 41 is a rectangular plate and is fixedly welded to an outer side of the stepping motor 42, the top plate 41 is fixed on the housing 1 by bolts, and the top plate 41 is fixed on a top portion of the housing 1 by bolts.

Wherein, for step motor 42 fall make an uproar and waterproof protection, 1 inner wall of shell is fixed with porous sponge piece 31, porous sponge piece 31 is the annular, fixed bonding is at 1 inner wall of shell, heat dissipation opening 32 has been seted up on shell 1, heat dissipation opening 32 sets up the outside at shell 1, and heat dissipation opening 32 link up porous sponge piece 31, a plurality of openings have been seted up on the porous sponge piece 31, and porous sponge piece 31 and heat dissipation opening 32 one-to-one, the fixed bonding has waterproof rubber pad 43 on roof 41, waterproof rubber pad 43 fixed bonding is at the upper end center of roof 41, step motor 42's power shaft is drive shaft 44, step motor 42 can drive shaft 44 and rotate, and drive shaft 44 link up roof 41 and waterproof rubber pad 43, drive shaft 44 passes roof 41 and waterproof rubber pad 43, waterproof rubber pad 43 laminates the outer wall at drive shaft 44, guarantee drive shaft 44 and shell 1's waterproof protection.

In this embodiment, porous sponge piece 31 is the annular, and fixed bonding can absorb the leading to the fact that step motor 42 produced at the inner wall of shell 1, and waterproof rubber pad 43 fixed bonding is at the upper end center of roof 41, and waterproof rubber pad 43 laminates at the outer wall of drive shaft 44, guarantees drive shaft 44 and shell 1's waterproof protection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 radiating closed loop step motor falls makes an uproar, its characterized in that includes shell (1), be provided with step motor (42) in shell (1), be fixed with roof (41) on step motor (42), and roof (41) pass through the bolt fastening on shell (1).

2. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 1, characterized in that: the shell (1) is of a hollow structure, and a groove (21) is formed in the shell (1).

3. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 1, characterized in that: a channel (22) is arranged in the shell (1), and the channel (22) is communicated with the groove (21).

4. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 1, wherein: the lower end of the shell (1) is attached with a bottom plate (23), and the bottom plate (23) is fixed to the bottom of the shell (1) through screws.

5. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 4, wherein: and a heat radiation fan (24) is fixed on the bottom plate (23).

6. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 1, characterized in that: a porous sponge block (31) is fixed on the inner wall of the shell (1).

7. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 6, wherein: a heat dissipation through hole (32) is formed in the shell (1), and the heat dissipation through hole (32) penetrates through the porous sponge block (31).

8. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 1, wherein: and a waterproof rubber pad (43) is fixedly bonded on the top plate (41).

9. The noise-reducing and heat-dissipating closed-loop stepping motor according to claim 8, wherein: and a power shaft of the stepping motor (42) is a driving shaft (44), and the driving shaft (44) penetrates through the top plate (41) and the waterproof rubber pad (43).