CN201848124U

CN201848124U - Silencer of defoaming machine

Info

Publication number: CN201848124U
Application number: CN2010205916524U
Authority: CN
Inventors: 朱新利
Original assignee: SUZHOU NEW TOUCH TECHNOLOGY CO LTD
Current assignee: SUZHOU NEW TOUCH TECHNOLOGY CO LTD
Priority date: 2010-11-04
Filing date: 2010-11-04
Publication date: 2011-06-01
Anticipated expiration: 2020-11-04

Abstract

A silencer of a defoaming machine comprises an exhaust pipe of the defoaming machine, wherein a pipeline where the exhaust pipe is outside the defoaming machine is provided with at least one noise reduction device; the noise reduction device comprises an air holding case thicker than the exhaust pipe in diameter; two ends of the air holding case are respectively sealed and fixedly connected with the pipe wall of the exhaust pipe; the air holding case is communicated to the exhaust pipe; the peripheral wall of the air holding case is provided with a plurality of air vents; the outer periphery of the air holding case is totally covered with a silencing layer capable of absorbing sound; the diameter of the tail section of the exhaust pipe is gradually decreased; and the peripheral wall at the tail section of the exhaust pipe is provided with a plurality of air vents. The silencer is simple in structure, convenient to manufacture, obvious in silencing effect and environment-friendly and effectively ensures the health of staff.

Description

The silencing means of deaeration machine

Technical field

The utility model relates to the deaeration machine that uses in the touch-screen production process.

Background technology

In the factory that existing touch-screen is produced,,, just need use the deaeration machine for the bubble between the product laminating layer is discharged owing in product applying process, can between laminating layer, be mixed with bubble.The operation principle of deaeration machine is to utilize air compressor machine to be input in the deaeration machine extraneous air, in the material bin of deaeration machine, form the gases at high pressure that reach 5～6Mpa, utilize gases at high pressure and under the operating condition of heating, by force the bubble in the product laminating layer in the material bin is extruded, extruding after the bubble operation finishes, gases at high pressure in the deaeration machine need outwards discharge by blast pipe, so that carry out next round deaeration operation.At present the gases at high pressure in the deaeration machine are directly to discharge outdoorly by blast pipe, and its noise is very big, severe contamination operating environment, influenced operation employee's job morale and healthy.

Summary of the invention

Technical problem to be solved in the utility model is to increase silencing means on the blast pipe of deaeration machine, and the noise in the time of can reducing exhaust helps environmental protection, helps guaranteeing employee's operation mood and health.

For solving the problems of the technologies described above, the technical scheme that the utility model provides is the silencing means of deaeration machine, the blast pipe that comprises described deaeration machine, the pipeline that described blast pipe is positioned at the described deaeration machine outside is provided with at least one denoising device, described denoising device comprises an appearance gas tank thicker than described blast pipe caliber, described appearance gas tank two ends are sealedly and fixedly connected with described blast pipe tube wall respectively and described appearance gas tank and described blast pipe conducting, offer several steam vents on the perisporium of described appearance gas tank, described appearance gas tank periphery all is coated with the noise reduction layer that can absorb sound; The end segment diameter of described blast pipe diminishes gradually, offers several steam vents on the end segment perisporium of described blast pipe.

Described noise reduction layer comprises two-layer at least foamed cotton layer and one deck wood chip layer, and wherein said wood chip layer is between described two-layer foamed cotton layer.

Described appearance gas tank is that cylinder describes gas tank.

The pipeline that described blast pipe is positioned at the described deaeration machine outside is provided with the denoising device of two connections, and the respectively described blast pipe of described two denoising devices is communicated with.

Denoising device of the present utility model the appearance gas tank can be that cylinder describes gas tank, also can be square appearance gas tank that it is big that this holds gas tank volume, can effectively reduce being discharged into the gas pressure that holds in the gas tank; The a plurality of steam vents that hold on the gas tank perisporium can make portion gas discharge from this steam vent, further reduce to be discharged into the gas pressure that holds in the gas tank; Be coated on the foam and the wood chip that hold the gas tank outside and have good sound-absorbing effect, can absorb the noise that produces from the gas that holds the discharging of gas tank perisporium steam vent.Increase the foamed cotton layer of coating and the number of plies of wood chip layer, can play the noise that better absorption gas discharging produces.Two denoising devices are set on blast pipe,, can discharge the noise that produces by elimination gas to a great extent, play noise reduction noise reduction, environmental protection, the healthy effect of assurance employee by a noise reduction, twice noise reduction.Certainly, more a plurality of denoising devices can be set, denoising device is many more, and erasure effect is good more.

Silencing means of the present utility model, it is simple in structure, and is easy to make, because foam and wood chip have good sound insulation and silencing function, so this device erasure effect is obvious, environmental protection has guaranteed work employee's health of human body effectively.

Description of drawings

The silencing means structural representation of Fig. 1 deaeration machine

The structure enlarged diagram of A among Fig. 2 Fig. 1

The structure enlarged diagram of B among Fig. 3 Fig. 1

The specific embodiment

Now lift a preferred embodiment and describe as follows in conjunction with graphic silencing means to the utility model deaeration machine: the silencing means of deaeration machine of the present utility model, comprise blast pipe 2, the denoising device 3 of deaeration machine 1, referring to Fig. 1, wherein:

Deaeration machine 1 has one and places the material bin 11 treat the deaeration product, and air inlet pipe 12 is installed on deaeration machine 1, utilizes air compressor machine that outdoor gas is delivered in the material bin 11 of deaeration machine 1, and reaches 5～6Mpa when making gas pressure in working order; Blast pipe 2, be positioned at the outside of deaeration machine 1, one end is installed on the deaeration machine 1, the other end extends to outdoor C, gases at high pressure in the deaeration machine 1 are discharged outside the deaeration unit room through blast pipe 2, deaeration machine and the air inlet pipe on it and the structure between the blast pipe are prior art, then repeat no more the structure annexation at this.

Denoising device 3 adopts two denoising devices 3 in the present embodiment, be communicated with on the blast pipe 2 that is installed in deaeration machine 1 that keeps at a certain distance away respectively and with blast pipe 2, also is communicated with by blast pipe 2 between the denoising device 3, realizes noise reduction for the first time and noise reduction for the second time; Denoising device 3, referring to Fig. 2, it comprises an appearance gas tank 31 bigger than blast pipe 2 diameters, should hold gas tank 31 in the present embodiment and describe gas tank for cylinder, it also can be square appearance gas tank; This hold gas tank 31 two ends respectively with 2 airtight connections of blast pipe, also, the two side ends of holding gas tank 31 offers one and the hole that matches of blast pipe 2 calibers respectively, the tube wall of blast pipe 2 and this hole are sealedly and fixedly connected together, blast pipe 2 and appearance gas tank 31 internal communication; On the perisporium that holds gas tank 31, offer several little steam vents 311; All be coated with the noise reduction layer that can absorb sound in appearance gas tank 31 peripheries, this noise reduction layer comprises two-layer foamed cotton layer 321 and one deck wood chip layer 322, and wherein wood chip layer 322 is between two-layer foamed cotton layer 321;

The end segment 21 of blast pipe 2, it is positioned at outdoor, referring to Fig. 3, finishes direction along end segment, and the end segment diameter diminishes gradually, offers several steam vents 211 on the perisporium of end segment 21.

When the gases at high pressure in the deaeration machine are gone out by emission by exhaust pipe, at first, gases at high pressure arrive the denoising device place that carries out noise reduction for the first time by blast pipe, because the appearance gas tank volume of denoising device is big, the air pressure that arrives gases at high pressure herein reduces, reduced the gas part of air pressure and discharged by the steam vent that holds the gas tank perisporium, the gas noise of this part discharge absorbs by foam and the wood chip that coats, and other gases then arrive the denoising device place of noise reduction for the second time along blast pipe; Denoising device place in this secondary noise reduction, gas atmosphere is reduced in large volume appearance gas tank once more, and a part of gas of step-down is discharged by the steam vent that holds the gas tank perisporium once more, foam and wood chip that the noise of this part discharge gas is coated absorb, remaining low pressure gas is discharged outdoor by blast pipe, when residue low pressure gas is discharged the blast pipe end segment, carry out noise reduction for the third time, wherein a part of gas is discharged through the steam vent of end segment perisporium, part gas is discharged outdoor through the end segment port, through blast pipe end segment perisporium steam vent discharge section gas, can increase the aisle spare of end segment gas discharging, further discharge gas pressure, reach noise reduction for the third time.

A noise reduction, secondary noise reduction by denoising device, gases at high pressure reduce through twice step-down and gas flow, again because the noise reduction for the third time of the gas discharging shunting of the steam vent on the perisporium of blast pipe end segment, final gas is discharged into have been experienced less than when outdoor for what noise.

Certainly, also several denoising devices can be set on blast pipe, denoising device is many more more, and then erasure effect is good more, but correspondingly its place that takies is big more, and cost is high more.

Claims

1. the silencing means of deaeration machine, the blast pipe that comprises described deaeration machine, it is characterized in that the pipeline that described blast pipe is positioned at the described deaeration machine outside is provided with at least one denoising device, described denoising device comprises an appearance gas tank thicker than described blast pipe caliber, described appearance gas tank two ends are sealedly and fixedly connected with described blast pipe tube wall respectively and described appearance gas tank and described blast pipe conducting, offer several steam vents on the perisporium of described appearance gas tank, described appearance gas tank periphery all is coated with the noise reduction layer that can absorb sound; The end segment diameter of described blast pipe diminishes gradually, offers several steam vents on the end segment perisporium of described blast pipe.

2. the silencing means of deaeration machine according to claim 1 is characterized in that described noise reduction layer comprises two-layer at least foamed cotton layer and one deck wood chip layer, and wherein said wood chip layer is between described two-layer foamed cotton layer.

3. the silencing means of deaeration machine according to claim 2 is characterized in that described appearance gas tank is that cylinder describes gas tank.

4. according to the silencing means of claim 1,2,3 arbitrary described deaeration machines, it is characterized in that pipeline that described blast pipe is positioned at the described deaeration machine outside is provided with the denoising device of two connections, the respectively described blast pipe of described two denoising devices is communicated with.