CN103286992B - Composite sound-absorption honeycomb plate and compounding process thereof - Google Patents
Composite sound-absorption honeycomb plate and compounding process thereof Download PDFInfo
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- CN103286992B CN103286992B CN201310225703.XA CN201310225703A CN103286992B CN 103286992 B CN103286992 B CN 103286992B CN 201310225703 A CN201310225703 A CN 201310225703A CN 103286992 B CN103286992 B CN 103286992B
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Abstract
The invention provides a compounding process of a sound-absorption honeycomb plate. The compounding process comprises the following steps of (1) hanging an adhesive on an enough large glass platform; (2) uniformly coating the adhesive on a back plate; (3) dipping a honeycomb core in the adhesive coated on the glass platform, putting a surface of the honeycomb core without the adhesive in the back plate, covering nonwoven fabric on one surface with the adhesive to manufacture a half of a composite plate blank, and combining the half of the composite plate blank with a punched panel; (4) putting the manufactured composite plate blank of the step (3) into a vacuum device while keeping the punched surface upwards, and laminating the composite plate blank into a composite plate under the certain pressure. According to the composite plate manufactured by the compounding process disclosed by the invention, holes punched in the composite plate are communicated and absorb sound, alternative penetration of sound wave is formed in the holes of the honeycomb core, and finally residual sound is eliminated, so that the sound absorption effect of the composite plate is better.
Description
Technical field
The present invention relates to decoration sound-absorbing material, more specifically, relate to composite sound-absorption honeycomb plate and combination process thereof.
Background technology
In construction and decoration, as classroom, hall, cinema or some Recreational places, when interior decoration, in order to reduce room noise, generally just in inner wall surface or ceiling, sound absorbing layer is installed when construction finishing.Cellular board is the sheet material of a kind of lightweight, high rigidity, is used as sound absorbing layer material widely.Now the production technology of honeycomb punching abatvoix is commercially all in nonwoven cloth proofing, so just visually meet the needs of client, but there is drawback in this production technology, hole on cellular board will be shut etc. after glue curing, the sound-absorbing effect of such abatvoix is had a greatly reduced quality, and sound-absorbing effect is poor.
Summary of the invention
For above-mentioned defect of the prior art, the invention provides a kind of composite sound-absorption honeycomb plate and combination process thereof.
Technical scheme of the present invention: honeycomb acoustic plate combination process, comprises the following steps:
(1) glue is hung in an enough large glass platform; (2) backboard uniform gluing; (3) be stained with the glue be coated in glass platform with honeycomb core, do not have the honeycomb core face of viscose glue to be put into inside backboard, the one side of viscose glue covers non-woven fabrics, makes the half of composite plate blanks, then together with the panel combination of hole punch; (4) two halves composite plate blanks obtained in step (3) is put into vacuum plant, described composite plate blanks upwards, under a certain pressure, is pressed into composite plate by punch side.
Preferably, described glue is polyurethane glue.
Preferably, the specification of described non-woven fabrics is 40 grammes per square metres.
Preferably, described honeycomb core material is aluminium, PC plastics or fiberglass.
Preferably, described backboard is aluminium sheet.
Preferably, the pressure described in step (4) is-0.075 ~-0.06MPa.
Preferably, it comprises upper, middle and lower-ranking structure, and described media layer damage is honeycomb core plate, and the upper and lower layer of described honeycomb core plate is respectively aluminium sheet.
Preferably, non-woven fabrics is provided with between described honeycomb core plate and described aluminium sheet.The present invention adopts non-woven fabrics, and not only bond effect is good, and hole can not block by glue, ensures that the hole of honeycomb core plate communicates.
Preferably, the hole on described honeycomb core plate all communicates.Hole on honeycomb core plate of the present invention all communicates, and this some holes can be fallen acoustic absorption, reaches good sound-absorbing effect.
The technique of honeycomb acoustic plate provided by the invention, be stained with glue with honeycomb core, and be placed in sheet forming by non-woven fabrics, then be placed on non-woven fabrics by the honeycomb core being stained with glue, so not only bond effect is good, and glue can not block hole; The hole of the composite plate become with this process combining all communicates, and this some holes falls acoustic absorption, and the hole of honeycomb core forms sound wave and interts, and finally disappear lingering sound, so the sound-absorbing effect of this plate is better.
Detailed description of the invention
In order to make those skilled in the art person understand the present invention better, and above-mentioned advantage of the present invention is become apparent more, below in conjunction with specific embodiment, the present invention is further detailed explanation.
embodiment 1
(1) polyurethane glue is hung in an enough large glass platform.
(2) aluminium matter backboard uniform gluing.
(3) be stained with the glue be coated in glass platform with the honeycomb core of aluminium material, do not have the honeycomb core face of viscose glue to be put into inside backboard, the one side of viscose glue covers non-woven fabrics, makes the half of composite plate blanks, then together with the panel combination of hole punch.
(4) two halves composite plate blanks obtained in step (3) is put into vacuum plant, pressure upwards, is adjusted to-0.075MPa by punch side, and above-mentioned composite plate blanks is pressed into composite plate.
embodiment 2
(1) polyurethane glue is hung in an enough large glass platform.
(2) aluminium matter backboard uniform gluing.
(3) be stained with the glue be coated in glass platform with the honeycomb core of PC plastic material, do not have the honeycomb core face of viscose glue to be put into inside backboard, the one side of viscose glue covers non-woven fabrics, makes the half of composite plate blanks, then together with the panel combination of hole punch.
(4) two halves composite plate blanks obtained in step (3) is put into vacuum plant, pressure upwards, is adjusted to-0.007MPa by punch side, and above-mentioned composite plate blanks is pressed into composite plate.
embodiment 3
(1) polyurethane glue is hung in an enough large glass platform.
(2) aluminium matter backboard uniform gluing.
(3) be stained with the glue be coated in glass platform with the honeycomb core of glass steel material, do not have the honeycomb core face of viscose glue to be put into inside backboard, the one side of viscose glue covers non-woven fabrics, makes the half of composite plate blanks, then together with the panel combination of hole punch.
(4) two halves composite plate blanks obtained in step (3) is put into vacuum plant, pressure upwards, is adjusted to-0.06MPa by punch side, and above-mentioned composite plate blanks is pressed into composite plate.
comparative example
(1) glue is hung in an enough large glass platform.
(2) use non-woven fabrics viscose glue, glue is coated on non-woven fabrics uniformly, then the non-woven fabrics of gluing is put into inside sheet forming.
(3) honeycomb core is put on non-woven fabrics, makes the half of composite plate blanks, second half preparation method of described composite plate blanks is the same.
(4) two halves composite plate blanks obtained in step (3) is put into vacuum plant, pressure upwards, is adjusted to-0.075 ~-0.06MPa by punch side, and above-mentioned composite plate blanks is pressed into composite plate.
performance test
Carry out performance test to the composite plate of above-mentioned obtained honeycomb acoustic plate compound respectively, test result is as shown in table 1.As can be seen from table in we, embodiment, first by aluminium matter backboard uniform gluing, the glue be coated in glass platform is stained with again with honeycomb core, do not have the honeycomb core face of viscose glue to be put into inside backboard, the one side of viscose glue covers non-woven fabrics, makes the half of composite plate blanks, then, together with the panel combination of hole punch, finally composite board is pressed into.Be by traditional gluing mode in comparative example, namely in nonwoven cloth proofing, all the other steps are identical with embodiment; The sound-absorbing effect of the obtained honeycomb acoustic plate in embodiment is obviously good than the sound-absorbing effect of honeycomb acoustic plate obtained in comparative example.
Embodiments of the invention in mentioned glue be Jingjiang high-strength JW-AA two-component polyurethane adhesive water, vacuum plant composite plate being carried out to vacuum pressing-combining is vacuum composite bench or vacuum press.
Table 1 the performance test results table
| Project | Examination criteria | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example |
| Peel strength N/mm | GB/T1457-2005 | 53.8 | 53.1 | 53.5 | 30.1 |
| Flatwise tensile strength MPa | GB/T1452-2005 | 2.5 | 2.6 | 2.4 | 1.6 |
| Flat crushing strength MPa | GB/T1453-2005 | 2.0 | 2.1 | 2.3 | 1.1 |
| Concora crush elastic modelling quantity MPa | GB/T1453-2005 | 42.6 | 43.5 | 44.1 | 33.4 |
| Noise reduction coefficient (NRC) | GB 47-83 | 0.83 | 0.82 | 0.85 | 0.79 |
The above; be only the specific embodiment of the present invention, protection scope of the present invention is not limited thereto, and is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (6)
1. a honeycomb acoustic plate combination process, is characterized in that, comprises the following steps:
(1) glue is hung in an enough large glass platform;
(2) backboard uniform gluing;
(3) be stained with the glue be coated in glass platform with honeycomb core, do not have the honeycomb core face of viscose glue to be put into inside backboard, the one side of viscose glue covers non-woven fabrics, makes the half of composite plate blanks, then together with the panel combination of hole punch;
(4) composite plate blanks obtained in step (3) is put into vacuum plant, described composite plate blanks upwards, under a certain pressure, is pressed into composite plate by punch side.
2. honeycomb acoustic plate combination process according to claim 1, is characterized in that, described glue is polyurethane glue.
3. honeycomb acoustic plate combination process according to claim 1, is characterized in that, the specification of described non-woven fabrics is 40 grammes per square metres.
4. honeycomb acoustic plate combination process according to claim 1, is characterized in that, described honeycomb core material is aluminium, PC plastics or fiberglass.
5. honeycomb acoustic plate combination process according to claim 1, is characterized in that, described backboard is aluminium sheet.
6. honeycomb acoustic plate combination process according to claim 1, is characterized in that, the pressure described in step (4) is-0.075 ~-0.06MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225703.XA CN103286992B (en) | 2013-06-07 | 2013-06-07 | Composite sound-absorption honeycomb plate and compounding process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310225703.XA CN103286992B (en) | 2013-06-07 | 2013-06-07 | Composite sound-absorption honeycomb plate and compounding process thereof |
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| Publication Number | Publication Date |
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| CN103286992A CN103286992A (en) | 2013-09-11 |
| CN103286992B true CN103286992B (en) | 2015-04-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110815901A (en) * | 2019-10-17 | 2020-02-21 | 成都飞机工业（集团）有限责任公司 | Method for controlling through hole rate of acoustic lining wall plate made of honeycomb sandwich composite material |
| CN111716767B (en) * | 2020-05-11 | 2023-02-17 | 中国南方航空股份有限公司 | High-temperature compression molding process for air inlet channel of nacelle of aircraft engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539782Y (en) * | 2002-01-21 | 2003-03-12 | 陈业亮 | Honeycomb core compoiste sound-absorbing board |
| CN201704817U (en) * | 2010-06-12 | 2011-01-12 | 江苏丰顺新材料科技有限公司 | Punching perforated plate |
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- 2013-06-07 CN CN201310225703.XA patent/CN103286992B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539782Y (en) * | 2002-01-21 | 2003-03-12 | 陈业亮 | Honeycomb core compoiste sound-absorbing board |
| CN201704817U (en) * | 2010-06-12 | 2011-01-12 | 江苏丰顺新材料科技有限公司 | Punching perforated plate |
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| CN103286992A (en) | 2013-09-11 |
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