CN220808759U - Honeycomb sandwich composite structure's acoustic celotex board - Google Patents
Honeycomb sandwich composite structure's acoustic celotex board Download PDFInfo
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- CN220808759U CN220808759U CN202320872887.8U CN202320872887U CN220808759U CN 220808759 U CN220808759 U CN 220808759U CN 202320872887 U CN202320872887 U CN 202320872887U CN 220808759 U CN220808759 U CN 220808759U
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- honeycomb
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- sandwich composite
- plate
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- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000012792 core layer Substances 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 30
- 239000011664 nicotinic acid Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 210000002421 cell wall Anatomy 0.000 claims abstract description 4
- 239000011229 interlayer Substances 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 42
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003618 dip coating Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 239000000123 paper Substances 0.000 description 7
- 239000004814 polyurethane Substances 0.000 description 7
- 229920002635 polyurethane Polymers 0.000 description 7
- 238000005192 partition Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010073 coating (rubber) Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000011527 polyurethane coating Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model discloses a sound insulation board with a honeycomb sandwich composite structure, which comprises a surface board and a sound insulation core layer, and is characterized in that the sound insulation core layer comprises at least one layer of bionic honeycomb structure or a interlayer clapboard is arranged between two layers of bionic honeycomb structures, and damping materials are coated on the walls of the bionic honeycomb in a dip-coating manner; the sound insulation damping material dip-coated on the cell wall of the bionic honeycomb is a liquid damping material. Experiments show that the sound insulation performance of the honeycomb sandwich composite structure is better than that of other structural plates with the same thickness, and the honeycomb sandwich composite structure has the characteristics of low density, light weight, high strength, fire resistance and flame retardance, and meets the factory prefabrication and customization production modes.
Description
Technical Field
The utility model relates to the field of acoustics of building products, in particular to a sound insulation board with a honeycomb sandwich composite structure.
Background
In some special public areas, such as commercial buildings, television stations, hospitals, movie theatres, KTV and high-end hotels, the requirements for noise control are more clearly defined standards. Mute wooden doors, mute walls and the like become new pets in middle-high end markets, and the potential market scale is expected to reach trillion yuan.
The prior sound insulation product mostly adopts materials such as keel framework filled with sound insulation cotton, foam board and the like to form a core layer, and the surface of the core layer is stuck with a wooden material sheet, so that the structural mode needs to consume a large amount of manpower and time for assembly, has low production efficiency, is not suitable for assembly and customized production, and moreover, the materials such as foam board and the like are difficult to degrade and pollute the environment. Meanwhile, the honeycomb sandwich wood door and the honeycomb sandwich wall body which are main stream products have the characteristics of light weight and high strength, but have poor sound insulation effect. Therefore, the development of the sound insulation product which is environment-friendly and light and is suitable for assembly and customized production is an objective requirement for high-quality development of the building and home industry.
Disclosure of utility model
In order to overcome the defects that the existing product is easy to penetrate through noise and weak in control capability and is not suitable for assembly type and customized production, the utility model provides the sound insulation of the honeycomb sandwich composite structure by the thought of dip-coating the sound insulation damping material on the basis of constructing a bionic honeycomb 'hole structure'. In order to solve the technical problems, the utility model adopts the following technical scheme:
The sound insulation board of the honeycomb sandwich composite structure comprises a surface board and a sound insulation core layer, and is characterized in that the sound insulation core layer comprises at least one layer of bionic honeycomb structure or a interlayer clapboard is arranged between two layers of bionic honeycomb structures; the wall of the bionic honeycomb is dip-coated with damping material. The sound insulation damping material dip-coated on the cell wall of the bionic honeycomb is a liquid damping material. The liquid damping material is a mixed suspension solution of rubber, polyethylene, polypropylene, diatom ooze, red rubber and polyurethane solid damping material dispersed in a solvent, a coating damping material or a liquid polymer sound insulation damping material. Experiments show that the sound insulation performance of the sound insulation board of the honeycomb sandwich composite structure is higher than that of a sound insulation-free core board and a paper honeycomb sound insulation core board with the same thickness.
As a further improvement to the above technical solution:
(1) The spacing plate is a rubber plate, soundproof cotton, thin fiber material plate, plastic plate or aluminum plate, and the thickness is 0.2-2.5mm.
(2) The surface board is a wood-based artificial veneer, a solid board, a bamboo board, a metal board or a plastic board; the bionic honeycomb is a hexagonal honeycomb, a prismatic honeycomb or a corrugated honeycomb.
(3) The thickness of the bionic honeycomb is 6-200mm, the aperture is 2-9mm, and the wall thickness is 0.1-0.4mm.
(4) The surface plate is adhered with the sound insulation core layer by using glue; the layers of the sound insulation core layer are adhered by using glue or not using glue.
Compared with the prior art, the technology has the advantages that:
Experiments show that compared with an aluminum honeycomb sound-insulating plate without a filling damping material and a paper honeycomb sound-insulating core plate, the sound-insulating plate with the honeycomb sandwich composite structure has the advantages that the sound-insulating performance is remarkably improved; the surface plate can be replaced by a material with higher strength or better waterproof performance so as to adapt to different application scenes. The sound insulation board of the honeycomb sandwich composite structure provided by the utility model has the characteristics of low density, light weight, high strength, fire resistance and flame retardance; in addition, the bionic honeycomb and the surface plate are combined into a standard large plate with 1220 multiplied by 2440mm, and then the standard large plate is cut into small plates with different specifications according to the requirements of customers, so that the factory prefabrication production and customization production modes of the sound insulation plate are met.
Description of the drawings:
FIG. 1 is a schematic diagram of five layers of a honeycomb sandwich acoustic panel dip-coated with polyurethane in example 4.
Fig. 2 is a schematic diagram of five layers of honeycomb sandwich acoustic door panels dip coated with red rubber in example 7.
Fig. 3 is a schematic representation of the three-layer structure of a honeycomb sandwich baffle coated with diatom ooze in example 8.
The reference numerals in the drawings denote:
1. A surface plate; 2. a sound insulation core layer; 201. bionic honeycomb; 202. a partition plate; 203. damping material; 3. frame
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Graphic display for characteristics
Example 1: (polyurethane impregnated, edge 5 aluminum honeycomb sandwich panel)
In this example, FIG. 1 shows a honeycomb polyurethane impregnated sandwich composite structural acoustic panel. The honeycomb impregnated sandwich composite structure sound insulation panel comprises a skin panel and a sound insulation core layer. The panel is 5 mm's plywood, and the sound insulation sandwich layer is 22mm thick. The sound insulation core layer is formed by covering an upper layer of partition plate and a lower layer of partition plate with two layers of aluminum honeycomb plate structures which are coated with damping materials in a dip-coating mode; the edges of the aluminum honeycomb plates are 5mm and 10mm thick, the spacing plates are 2mm rubber plates, and the damping material is polyurethane coating with solid content of more than 95%, so that two layers of aluminum honeycomb plates (201) are fully immersed in the polyurethane coating but do not completely fill the aperture of the aluminum honeycomb, and the aluminum honeycomb plates are air-dried. The two sides of the partition board are glued and soaked with the honeycomb board of polyurethane to form a sound insulation core layer. The upper and lower surface plates are embedded into the core layer, so that the sound insulation plate with the honeycomb sandwich composite structure impregnated with polyurethane can be obtained, and the surface plates, the sound insulation core layer and the sound insulation core layer are adhered by using AB glue.
Example 2: (Red dipped rubber, edge 5 aluminum honeycomb sandwich panel)
A sandwich composite structural acoustic panel was prepared as described in example 1, except that the damping material in this example was a 50% strength red rubber coating.
Example 3: (Diatom mud soaking, edge 5 aluminum honeycomb sandwich panel)
A sandwich composite structured acoustic panel was prepared as described in example 1, except that the damping material in this example was a 60% strength diatom ooze coating.
Example 4: (Sound insulation wooden door, red dipped rubber)
In this example, FIG. 2 shows a sandwich composite acoustic door panel of a honeycomb red dipped rubber paint. The honeycomb impregnated sandwich composite structure sound insulation door plate comprises a surface plate, a sound insulation core layer and a door frame. The surface board is an artificial board, the sound insulation core layer is formed by covering an upper layer and a lower layer of an interlayer partition board with two layers of aluminum honeycomb board structures immersed with damping materials, and the edges of the aluminum honeycomb board are 5mm and the thickness of the aluminum honeycomb board is 10mm; the spacing plate is a 2mm rubber plate, the damping material is 50% red rubber coating, so that the two layers of aluminum honeycomb plates are fully immersed in the red rubber coating and do not completely fill the aperture of the aluminum honeycomb, and the aluminum honeycomb plates are air-dried. The two sides of the partition board are glued and dip-coated with red rubber honeycomb board to form a sound insulation core layer, and the sound insulation door board with the honeycomb sandwich composite structure and the polyurethane immersed in the panel board and the frame are embedded with the sound insulation core layer.
Example 5: (3 layers of Sandwich boards, diatom ooze soaking)
In this example, fig. 3 shows a three-layer sandwich acoustic panel of a honeycomb diatom ooze coating. The sound insulation board with the honeycomb immersed sandwich three-layer structure comprises a surface board and a sound insulation core layer. The surface board is a 5mm artificial board, and the sound insulation core layer is a layer of aluminum honeycomb board impregnated diatom ooze damping material structure. The aluminum honeycomb plate is an aluminum honeycomb with the side length of 5mm and the thickness of 10mm. The damping material is diatom ooze coating with the concentration of 60%, so that the aluminum honeycomb plate is fully immersed in the diatom ooze coating, the aperture of the aluminum honeycomb is not fully filled, and the aluminum honeycomb plate is air-dried. And a sound insulation core layer of the aluminum honeycomb plate immersed with the diatom ooze coating is embedded between the two layers of surface plates, so that the sound insulation plate with the three-layer honeycomb sandwich composite structure immersed with the diatom ooze coating can be obtained.
Example 6: (Sound insulation wallboard, impregnated with Diatom mud)
In this embodiment, a sound-insulating wallboard with a sandwich composite structure of a honeycomb diatom ooze-dipped paint is shown, and the sound-insulating wallboard comprises a surface board and a sound-insulating core layer. The surface plate is a bamboo plate with the thickness of 5mm, and the sound insulation core layer is a structure of a layer of aluminum honeycomb plate with the thickness of 90mm immersed with damping materials. The side length of the aluminum honeycomb plate is 5mm, the damping material is diatom ooze coating with the concentration of 60%, so that the aluminum honeycomb plate is fully immersed in the diatom ooze coating and does not completely fill the aperture of the aluminum honeycomb, and the aluminum honeycomb plate is air-dried. The sound insulation wall board with the diatom ooze coating is prepared by embedding the sound insulation core layer of the aluminum honeycomb board immersed with the diatom ooze coating between the two surface boards, namely, the sound insulation wall board immersed with the diatom ooze coating with the 100mm thick three-layer honeycomb sandwich composite structure after pressing and curing.
Comparative example 1: (untreated aluminum honeycomb sandwich panel)
The aluminum honeycomb sandwich panel which is not filled with or dip-coated with damping materials has the overall plate thickness of 32mm, wherein the surface plate is a 5mm thick medium density fiber plate, and the core layer is a 22mm thick composite structure; the core layer is formed by sandwiching a rubber plate with the thickness of 10mm and the thickness of 5mm between two layers of aluminum honeycomb structures.
Comparative example 2: (paper honeycomb sandwich panel)
The paper honeycomb sandwich board has an overall board thickness of 35mm and a three-layer structure, wherein the surface board is a 5mm thick medium density fiber board, and the core layer is a 25mm thick paper honeycomb core layer.
Performance testing
And (5) measuring the weight sound insulation according to national standard GB/T50121-2005 building sound insulation evaluation standard.
The results of measuring the sound insulation performance (the weight-based sound insulation amount) of the composite materials of comparative examples 1 to 2 for the sound insulation panels of the different honeycomb sandwich composite structures prepared in examples 1 to 6 are shown in table 1.
TABLE 1
| Type(s) | Composite structure | Weight sound insulation (dB) |
| Example 1 | Aluminum honeycomb panel (polyurethane coating) | 32.5 |
| Example 2 | Aluminum honeycomb panel (Red dipping rubber paint) | 31 |
| Example 3 | Aluminum honeycomb panel (Diatom mud coating) | 30.4 |
| Comparative example 1 | Aluminum honeycomb sandwich panel | 25.4 |
| Comparative example 2 | Paper honeycomb sandwich board | 26 |
As can be seen from the results of table 1, the sound insulation performance of the aluminum honeycomb sandwich composite structure filled with the damping material is 6.4-7.3dB higher than that of the untreated aluminum honeycomb sandwich panel with the same thickness, and the sound insulation performance of the aluminum honeycomb sandwich composite structure coated with the damping material is 5.0-7.4dB higher than that of the untreated aluminum honeycomb sandwich panel with the same thickness; the sound insulation performance of the sound insulation board of the aluminum honeycomb sandwich composite structure filled or coated with the damping material is obviously better than that of a paper honeycomb sandwich board.
Claims (6)
1. The sound insulation board with the honeycomb sandwich composite structure comprises a surface board (1) and a sound insulation core layer (2), and is characterized in that the sound insulation core layer (2) is at least one layer of bionic honeycomb (201) structure or a interlayer clapboard (202) is clamped between two layers of bionic honeycomb (201) structures; the cell wall of the bionic honeycomb (201) is dip-coated with damping material (203).
2. The honeycomb sandwich composite structured acoustical panel of claim 1, wherein: the damping material (203) dip-coated on the cell wall of the bionic honeycomb (201) is a liquid damping material.
3. The honeycomb sandwich composite structured acoustical panel of claim 1, wherein: the spacing plate (202) is a rubber plate, soundproof cotton, thin artificial plate, plastic plate or aluminum plate, and the thickness is 0.2-2.5mm.
4. The honeycomb sandwich composite structured acoustical panel of claim 1, wherein: the surface board (1) is a wood-based veneer, a solid wood board, a bamboo board, a metal board or a plastic board; the bionic honeycomb (201) is a hexagonal honeycomb, a prismatic honeycomb and a corrugated honeycomb.
5. The honeycomb sandwich composite structured acoustical panel of claim 1, wherein: the thickness of the bionic honeycomb (201) is 6-200mm, the aperture is 2-9mm, and the wall thickness is 0.1-0.4mm.
6. The honeycomb sandwich composite structured acoustical panel of claim 1, wherein: the surface plate (1) and the sound insulation core layer (2) are adhered by using glue; the layers of the sound insulation core layer (2) are adhered by using glue or not using glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320872887.8U CN220808759U (en) | 2023-04-19 | 2023-04-19 | Honeycomb sandwich composite structure's acoustic celotex board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320872887.8U CN220808759U (en) | 2023-04-19 | 2023-04-19 | Honeycomb sandwich composite structure's acoustic celotex board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220808759U true CN220808759U (en) | 2024-04-19 |
Family
ID=90711504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320872887.8U Active CN220808759U (en) | 2023-04-19 | 2023-04-19 | Honeycomb sandwich composite structure's acoustic celotex board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220808759U (en) |
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2023
- 2023-04-19 CN CN202320872887.8U patent/CN220808759U/en active Active
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