CN213303633U

CN213303633U - Sound-proof noise-reducing device of dust generator

Info

Publication number: CN213303633U
Application number: CN202021980960.6U
Authority: CN
Inventors: 李熠豪; 王占锋
Original assignee: Shanghai Baif Technology Co ltd
Current assignee: Shanghai Baif Technology Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-28
Anticipated expiration: 2030-09-11

Abstract

The utility model provides a device of making an uproar falls in dust generator sound insulation, including being used for covering at the outside sound insulation housing of dust generator, the bottom of sound insulation housing is equipped with the housing opening, the top of sound insulation housing is equipped with reinforced window, just reinforced window department is equipped with reinforced door plant, reinforced door plant and sound insulation housing swing joint, the inner wall of sound insulation housing is equipped with soundproof cotton. When using, will give sound insulation the housing and cover in the outside of dust generator downwards, in order to utilize the sound insulation housing to play effectual sound insulation to fall the effect of making an uproar to the noise that the dust generator produced, the noise of avoiding the dust generator to produce causes great influence to external environment, and simultaneously, the inner wall of sound insulation housing is equipped with soundproof cotton, further strengthened the effect of making an uproar falls in giving sound insulation to the dust generator, and the top of sound insulation housing is equipped with reinforced window and reinforced door plant, so that when needs, open reinforced door plant, thereby feed in raw material to the dust generator through reinforced window, satisfy the normal reinforced demand of dust generator.

Description

Sound-proof noise-reducing device of dust generator

Technical Field

The utility model relates to a dust generator technical field especially relates to a dust generator gives sound insulation and falls device of making an uproar.

Background

The basic structure of the dust generator is shown in fig. 1 to 5, and comprises a dust charging port 16, an emission funnel 11, an air source inlet 17, a driving motor 15, a terminal outlet 13, a base 18, a screw mechanism 12 and a storage chamber 14. The wind tunnel laboratory dust generator can generate great noise during working, the noise at the sound source is close to 93dB, normal working communication is seriously interfered, and the wind tunnel laboratory dust generator can greatly influence the physiology and the psychology of workers when working in the environment for a long time.

Therefore, the technical problem to be solved by those skilled in the art is to develop a device capable of effectively insulating sound and reducing noise for a dust generator.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcoming of the prior art, the to-be-solved technical problem of the utility model is to provide a can play the effectual dust arrester sound insulation of making an uproar effect of making an uproar and fall the device of making an uproar to the dust arrester.

In order to achieve the above object, the utility model provides a device of making an uproar falls in dust generator sound insulation, including being used for covering at the outside sound insulation housing of dust generator, the bottom of sound insulation housing is equipped with the housing opening, the top of sound insulation housing is equipped with reinforced window, just reinforced window department is equipped with reinforced door plant, reinforced door plant and sound insulation housing swing joint, the inner wall of sound insulation housing is equipped with soundproof cotton.

Further, the soundproof cotton is rubber soundproof cotton.

Furthermore, the feeding door plate is movably connected with the sound insulation housing through an alloy hinge.

Further, a handle is installed on the charging door plate, and the handle is made of brass.

Furthermore, a shell U-shaped notch is formed in one side wall of the sound insulation shell, and an opening of the shell U-shaped notch faces downwards.

Further, the top of sound insulation housing is provided with a top plate, the feeding window is arranged on the top plate, and the top plate is made of an acrylic plate.

Further, the dust generator sound insulation and noise reduction device further comprises an isolation cap used for covering the outer part of the emission funnel of the dust generator.

Furthermore, the side wall of the isolation cap is provided with an isolation cap U-shaped notch, and the isolation cap U-shaped notch is used for being embedded into a screw rod mechanism of the dust generator.

Furthermore, the inner wall of the isolation cap is sprayed with a sound wave reflection and absorption layer by adopting a sand blasting process.

Further, the inner wall of the isolation cap can be attached to the outer wall of the emission funnel.

As above, the utility model relates to a device of making an uproar falls in sending out dirt ware sound insulation has following beneficial effect:

this device of making an uproar falls in dust generator sound insulation, when using, will give sound insulation the housing and cover the outside at the dust generator downwards, play effectual sound insulation and fall the effect of making an uproar to the noise that the dust generator produced with the utilization sound insulation housing, the noise of avoiding giving out dust generator to produce causes great influence to external environment, and simultaneously, the inner wall of sound insulation housing is equipped with soundproof cotton, the effect of making an uproar falls in giving out dust generator sound insulation has further been strengthened, and the top of sound insulation housing is equipped with reinforced window and reinforced door plant, so that when needs, open reinforced door plant, thereby feed in raw material to the dust generator through reinforced window, satisfy the normal reinforced demand of dust generator.

Drawings

Fig. 1 is a perspective view of the dust generator of the present invention.

Fig. 2 is a front view of the dust generator of the present invention.

Fig. 3 is a top view of the dust generator of the present invention.

Fig. 4 is a left side view of the middle dust generator of the present invention.

Fig. 5 is a right side view of the middle dust generator of the present invention.

Fig. 6 is a perspective view of a soundproof cover case according to an embodiment of the present invention.

Fig. 7 is a diagram illustrating a state of use of the isolation cap according to an embodiment of the present invention.

Fig. 8 is a perspective view of an isolation cap according to an embodiment of the present invention.

Description of the element reference numerals

1 dust generator

11 launch funnel

12 lead screw mechanism

13 terminal outlet

14 storage chamber

15 driving motor

16 dust feed inlet

17 gas source inlet

18 base

2 Sound insulation cover

21 casing U type breach

22 Top plate

3 reinforced door plant

31 alloy hinge

32 handle

4 isolating cap

U-shaped notch of 41 isolation cap

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are only for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the modifications can be changed or adjusted without substantial technical changes and modifications.

As shown in fig. 1 to 8, the present embodiment provides a device of making an uproar falls in dust generator sound insulation, including being used for covering the sound insulation housing 2 outside dust generator 1, the bottom of sound insulation housing 2 is equipped with the housing opening, and the top of sound insulation housing 2 is equipped with reinforced window, and reinforced window department is equipped with reinforced door plant 3, reinforced door plant 3 and sound insulation housing 2 swing joint, and the inner wall of sound insulation housing 2 is equipped with soundproof cotton. In this embodiment, give out dust ware sound insulation and fall device of making an uproar, when using, with the outside of housing 2 below cover in dust ware 1 that gives out sound insulation, in order to utilize housing 2 that gives out sound insulation to play effectual sound insulation and fall the effect of making an uproar to the noise that gives out dust ware 1 produced, the noise of avoiding giving out dust ware 1 to produce causes great influence to external environment, and simultaneously, the inner wall of housing 2 that gives out sound insulation is equipped with soundproof cotton, further strengthened the effect of making an uproar falls in giving out dust ware 1 sound insulation, and the top of housing 2 that gives out sound insulation is equipped with reinforced window and reinforced door plant 3, so that when needs, open reinforced door plant 3, thereby feed in raw material to dust ware 1 through reinforced window, satisfy the normal reinforced demand of dust.

In this embodiment soundproof cotton is rubber soundproof cotton for soundproof cotton has good waterproof and moisture resistant ability. The sound insulation cotton has the basic principle that sound waves enter the small foaming holes in the rubber body and are absorbed by air friction and vibration in the small holes, so that the purpose of isolating sound wave transmission is achieved. The specific material of soundproof cotton in this embodiment is nitrile rubber.

As shown in fig. 6, in this embodiment, the charging door panel 3 is movably connected to the sound-insulating housing 2 through two alloy hinges 31, so that the alloy hinges 31 have excellent use performance, and ensure that the charging door panel 3 and the sound-insulating housing 2 have high connection strength, and can freely rotate relative to the sound-insulating housing 2, so as to open or close the charging door panel 3 when necessary.

As shown in fig. 6, the handle 32 is installed on the feeding door plate 3 in this embodiment, so that a person can open or close the feeding door plate 3 by holding the handle 32, and the handle 32 is made of brass, so as to ensure that the handle 32 has high strength and is not easy to rust. In this embodiment, the handle 32 is a parchment resin brass handle.

As shown in fig. 6, a casing U-shaped notch 21 is formed on a side wall of the sound casing 2 in the present embodiment, and an opening of the casing U-shaped notch 21 faces downward. In the process of covering the sound insulation housing 2 downwards outside the dust generator 1, the U-shaped notch 21 of the housing corresponds to the terminal outlet 13 of the dust generator 1, and after the sound insulation housing 2 is placed in place, the bottom of the sound insulation housing 2 is located on the ground, the terminal outlet 13 is embedded in the U-shaped notch 21 of the housing, so that the sound insulation housing 2 is prevented from interfering with the terminal outlet 13 of the dust generator 1.

As shown in fig. 6, in the present embodiment, the top plate 22 is disposed at the top of the sound-insulating housing 2, the feeding window is opened on the top plate 22, and the top plate 22 is made of an acrylic plate, that is, the top of the sound-insulating housing 2 is made of the top plate 22 made of acrylic material, so as to observe the material storage condition of the storage chamber 14 of the dust generator 1 through the top plate 22.

The design of the soundproof cover 2 in the present embodiment is mainly directed to vibration noise caused by the drive motor 15 and the compressed air. And soundproof cotton's thickness is 50mm, and the soundproof cotton specifically is the compound high density rubber soundproof cotton of gum formula bilayer, and this soundproof cotton pastes around the inner wall of housing 2 that gives sound insulation, and soundproof cotton requires fire-retardant, the dampproofing and waterproofing of B level. In the present embodiment, the soundproof cover 2 has a cubic shape.

Meanwhile, as shown in fig. 7 and 8, the sound insulation and noise reduction device for the dust generator in the present embodiment further includes an isolation cap 4 covering the exterior of the emission funnel 11 of the dust generator 1, so as to isolate the squeal noise caused by the high-pressure purge air inside the emission funnel 11 by using the isolation cap 4. And in this embodiment, the side wall of the isolation cap 4 is provided with an isolation cap U-shaped notch 41, and the isolation cap U-shaped notch 41 is used for embedding the screw rod mechanism 12 of the dust generator 1. When the isolation cap 4 is sleeved on the outside of the emission funnel 11 downwards, the screw rod mechanism 12 of the dust generator 1 is embedded into the U-shaped notch 41 of the isolation cap, so that the isolation cap 4 is prevented from interfering with the screw rod mechanism 12, and the isolation cap 4 is ensured to be smoothly covered on the outside of the emission funnel 11. In addition, in this embodiment, a sound wave reflection and absorption layer is sprayed on the inner wall of the isolation cap 4 by a sand blasting process, so that the sound wave reflection and absorption layer is used to enhance the reflection and absorption of the sound wave generated by the emission funnel 11, thereby further enhancing the sound insulation effect of the isolation cap 4. And the inner wall of the isolation cap 4 is sprayed with a sound wave reflection absorption layer by adopting a coarse sand spraying process.

The inner wall of the isolation cap 4 in this embodiment can be attached to the outer wall of the launch funnel 11. The size of dimension of isolation cap 4 designs according to the size of dimension of transmission funnel 11 and screw mechanism 12, and the inner wall shape of isolation cap 4 is the same with the outer wall shape of transmission funnel 11, in order to guarantee that the inner wall of isolation cap 4 can closely laminate with the outer wall of transmission funnel 11, it can not only be sealed up with high pressure purge air production noise from the source to keep apart cap 4 like this, the dust that can also utilize the inner wall of isolation cap 4 and the laminating effect of the outer wall of transmission funnel 11 to avoid transmitting out from screw mechanism 12 falls the outside of transmission funnel 11. And the side wall of the U-shaped notch 41 of the isolation cap is in close contact with the screw mechanism 12. The section of the isolation cap 4 is circular, the opening of the isolation cap is downward, and the opening of the U-shaped notch 41 of the isolation cap is also downward.

In addition, this embodiment adopts test equipment to test the noise condition around dust generator 1 when not adding this sound insulation housing 2 and adding sound insulation housing 2 respectively. The test equipment is specifically multi-functional noise meter, and the model is: AS-804B, the relevant parameters of the test equipment are AS follows:

measurement range: 30-130 dB; precision: 1.5dB (decibel); frequency weighting characteristics: a weighting; frequency response: 31.5Hz to 8.5 KHz; sampling frequency: 2 times/second; the size value is as follows: MAX/MIN; digital display: 4 digits; the sorting rate is as follows: 0.1 dB; power supply: AAA x 3; a microphone: 1/2 inch condenser microphone; size: 155mm 50mm 25 mm; working temperature and humidity: 0-40 ℃ and 10-80% RH; storing the temperature and humidity: 10 to 60 ℃ below zero and 10 to 70% RH.

The test results are: when the sound insulation housing 2 is not added, the noise is 93.2 dB; when the soundproof cover 2 was added, the noise was 34.5 dB. The test basis is as follows: GB3096-1993 environmental noise Standard in urban area dBA.

To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a device of making an uproar falls in dust generator sound insulation, its characterized in that, including being used for covering in the outside sound insulation housing (2) of dust generator (1), the bottom of sound insulation housing (2) is equipped with the housing opening, the top of sound insulation housing (2) is equipped with reinforced window, just reinforced window department is equipped with reinforced door plant (3), reinforced door plant (3) and sound insulation housing (2) swing joint, the inner wall of sound insulation housing (2) is equipped with soundproof cotton.

2. A dust collector noise damping and reduction device according to claim 1, wherein said acoustic wool is rubber acoustic wool.

3. A sound-insulating and noise-reducing device for a dust generator as claimed in claim 1, wherein the charging door panel (3) is movably connected to the sound-insulating casing (2) by means of an alloy hinge (31).

4. The dust generator sound insulation and noise reduction device according to claim 1, wherein a handle (32) is mounted on the charging door panel (3), and the handle (32) is made of brass.

5. A sound-insulating and noise-reducing device for a dust generator as claimed in claim 1, wherein a U-shaped notch (21) is formed in one side wall of the sound-insulating cover (2), and the U-shaped notch (21) is opened downwards.

6. A sound-insulating and noise-reducing device for dust blowers according to claim 1, wherein a top plate (22) is provided on the top of the sound-insulating casing (2), the charging window is opened on the top plate (22), and the top plate (22) is made of acrylic plate.

7. A dust arrester sound insulating and noise reducing arrangement as claimed in claim 1, further comprising a spacer cap (4) for covering the exterior of the emission funnel (11) of the dust arrester (1).

8. A dust generator sound insulation and noise reduction device according to claim 7, wherein the side wall of the isolation cap (4) is provided with an isolation cap U-shaped notch (41), and the isolation cap U-shaped notch (41) is used for being embedded into the screw rod mechanism (12) of the dust generator (1).

9. A sound-insulating and noise-reducing device for a dust generator as claimed in claim 7, wherein the inner wall of the isolating cap (4) is coated with a sound-reflecting and absorbing layer by a sand blasting process.

10. A dust arrester sound insulating and noise reducing arrangement as claimed in claim 7, characterized in that the inner wall of the shielding cap (4) is adapted to abut the outer wall of the emission funnel (11).