CN214089546U - Cement wood chip sound absorption decorative plate - Google Patents

Cement wood chip sound absorption decorative plate Download PDF

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Publication number
CN214089546U
CN214089546U CN202022570500.2U CN202022570500U CN214089546U CN 214089546 U CN214089546 U CN 214089546U CN 202022570500 U CN202022570500 U CN 202022570500U CN 214089546 U CN214089546 U CN 214089546U
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China
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layer
sound absorption
base plate
decorative plate
plate layer
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CN202022570500.2U
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Chinese (zh)
Inventor
乔勋
乔伟
贺勇
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Guangxi Chaoju Material Technology Co ltd
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Guangxi Chaoju Material Technology Co ltd
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Abstract

The utility model belongs to road traffic inhales, the sound-proof material field, concretely relates to cement saw-dust sound absorption decorative board, including base plate layer and decoration plate layer, the top on base plate layer is provided with decorates the sheet layer, the well upper portion on base plate layer is equipped with the cavity, decorate and seted up a plurality of sound holes of inhaling on the sheet layer, inhale the sound hole run through perpendicularly decorate the sheet layer with the top on base plate layer and with the inside cavity on base plate layer is linked together, decorate and set up many equal width's amortization grooves on the sheet layer. The utility model relates to a rationally, have good sound absorption noise reduction effect, low in production cost, the practicality is strong, is worth further using widely.

Description

Cement wood chip sound absorption decorative plate
Technical Field
The utility model belongs to road traffic inhales, the sound insulation material field, concretely relates to cement saw-dust sound absorption decorative board.
Background
At present, the cement wood chip plate material used for the traffic system is mostly of a double-layer structure, a surface layer is a planed layer made of common cement wood chips, and a back plate is cast by common concrete. The sound absorption coefficient is within the range of 0.65-0.7, the square weight is about 125kg after 80mm, a pure wood chip board surface layer does not have higher physical mechanical property, the mechanical property of the whole structure is solved by using a concrete back board, the self weight is increased, the thickness of a shaving layer is reduced, the sound absorption coefficient is reduced, the weight is heavy and easy to damage, the light weight requirement cannot be met, and the sound absorption coefficient can only be used for a highway subgrade section. Because the common portland cement is dark in color, the paint of the exterior wall coating needs to be sprayed in the later installation period, and the production cost is greatly increased. Because the high-strength back plate has low breaking strength and is easy to break, the high-strength back plate needs to be combined with the high-strength back plate for use, the cost is high, the engineering progress is slow, and the labor and the time are wasted. The application and popularization of the cement-based sound absorption plate in sound absorption and insulation barrier engineering are greatly restricted by the defects.
In view of the above, it is necessary to develop a cement wood chip sound absorption decoration board to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned technical problem, a cement saw-dust sound absorption decorative board is provided, cement saw-dust sound absorption decorative board has good sound absorption noise reduction effect, and the installation is simple, and is resistant moist, resistant mildening and rot, anti-weathering, anti freeze thawing, long service life, and has good processing property, can extensively be used as with high-speed railway, highway, town road sound barrier material, also can be used to the enclosure material of interim facilities such as partition plate, floor panel, roof boarding, side fascia in the non-bearing.
The technical scheme of the utility model is that:
the utility model provides a cement saw-dust sound absorption decorative board, includes base plate layer and decoration plate layer, the top on base plate layer is provided with decorates the sheet layer, the well upper portion on base plate layer is equipped with the cavity, decorate and seted up a plurality of sound holes of inhaling on the sheet layer, inhale the sound hole run through perpendicularly in decorate the sheet layer with the well upper portion on base plate layer and with the inside cavity on base plate layer is linked together, decorate and set up many equal width's amortization grooves on the sheet layer.
Further, sound-absorbing cotton is filled in the cavity.
Furthermore, the substrate layer is formed by mixing and pressing white cement, sawdust, wood shavings and an auxiliary agent, and a glass fiber net layer is arranged at the middle lower part of the substrate layer.
Furthermore, the silencing grooves are distributed at intervals, arranged in parallel or arranged in a crossed manner on the layer surface of the decorative plate; the silencing groove divides the decorative plate layer to form a square groove surface, a semicircular groove surface or a polygonal groove surface.
Further, the surface of the decorative plate layer is a flat surface or a corrugated surface.
Further, the decorative board layer is a plastic-coated board, a fireproof board or a plywood.
Furthermore, two corresponding outer sides of the substrate layer are respectively provided with a groove and a convex strip which are matched with each other.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the base plate layer adopts the cavity structure, can alleviate the weight of acoustic baffle, can strengthen the effect of making an uproar again in the sound absorption.
2. The sound absorption holes are formed and communicated with the cavity, and the sound absorption cotton is filled in the cavity, so that the sound absorption area is increased, and the sound absorption coefficient is improved.
3. The glass fiber net layer with reinforcing function is arranged in the base plate layer, so that the overall bending strength and compressive strength of the base plate are further improved.
4. The sound-absorbing groove is formed in the decorative plate layer, so that the sound-absorbing area is further increased, and the sound-absorbing coefficient is improved. The silencing grooves are distributed on the surface of the decorative plate at intervals, arranged in parallel or arranged in a crossed way; the silencing groove divides the decorative plate layer to form a square groove surface, a semicircular groove surface or a polygonal groove surface, has certain attractiveness, and has a certain silencing effect when arranged in noise refraction.
5. Two corresponding outsides of base plate layer are provided with recess and the sand grip that agrees with each other respectively, and the tight silk seam has further improved the sound absorption coefficient after assembling.
6. The utility model relates to a rationally, have good sound absorption noise reduction effect, low in production cost, the practicality is strong, is worth further using widely.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view a-a of fig. 1.
The reference numerals in fig. 1-2 are: 1. a substrate layer; 2. decorating the plate layer; 3. a cavity; 4. a sound absorption hole; 5. a silencing groove; 6. a fiberglass mesh layer; 7. a groove; 8. and (4) raised strips.
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 work belong to the protection scope of the present invention.
1-2 a cement saw-dust sound absorption decorative board, including base plate layer 1 and decoration sheet layer 2, the top on base plate layer 1 is provided with decoration sheet layer 2, the well upper portion on base plate layer 1 is equipped with cavity 3, decoration sheet layer 2 is last to have seted up a plurality of sound holes 4 of inhaling, inhale sound hole 4 run through perpendicularly decorate sheet layer 2 with the well upper portion on base plate layer 1 and with the inside cavity 3 of base plate layer 1 is linked together, decorate and seted up many equal width's hush grooves 5 on the sheet layer 2.
The utility model adopts the structure of the cavity 3 in the substrate layer 1, which can not only reduce the weight of the sound-absorbing board, but also enhance the sound-absorbing and noise-reducing effects; the sound absorption holes 4 are formed, and the sound absorption holes 4 are communicated with the cavity 3, so that the sound absorption area is increased, and the sound absorption coefficient is improved.
The cavity 3 intussuseption is filled with and inhales the sound cotton, and the noise rubs with the micropore pore wall of inhaling the cotton inside of sound, changes the sound energy into heat energy consumption and falls, further plays the effect of inhaling the sound and making an uproar.
The substrate layer 1 is formed by mixing and pressing white cement, sawdust, wood shavings and an auxiliary agent, a glass fiber net layer 6 is arranged at the middle lower part of the substrate layer 1, and the glass fiber net layer 6 can further improve the overall bending strength and the compressive strength of the substrate layer.
The silencing grooves 5 are distributed on the surface of the decorative plate layer 2 at intervals, arranged in parallel or arranged in a crossed way; the silencing groove 5 divides the decorative plate layer 2 to form a square groove surface, a semicircular groove surface or a polygonal groove surface, the design has certain attractiveness, and the groove 7 is arranged in noise refraction and also plays a certain absorption role.
The utility model discloses a 2 surfaces on decorative sheet layer are the ripple shape face, in the utility model discloses another embodiment, set up to the planishing face.
According to actual needs, the material of the decorative ply 2 can be one of plastic-coated board, fireproof board or plywood.
Two corresponding outsides of base plate layer 1 are provided with recess 7 and sand grip 8 that agree with each other respectively, and the tight silk seam has further improved the sound absorption coefficient after assembling.
The cement wood chip sound absorption decorative plate adopts a cavity 3 structure, so that the weight of the sound absorption plate can be reduced, and the sound absorption and noise reduction effects can be enhanced; and the sound absorption hole 4 and the silencing groove 5 are arranged, so that the sound absorption and noise reduction effects are further improved. Glass fiber net layer 6 sets up the well lower part at the base plate board, plays the reinforcing effect, more is favorable to transportation and use, and the corresponding two outsides of base plate layer 1 are provided with recess 7 and sand grip 8 that agree with each other respectively, and the tight thread joint has further improved sound absorption coefficient after assembling.
The utility model relates to a rationally, have good sound absorption noise reduction effect, low in production cost, the practicality is strong, is worth further using widely.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (7)

1. The utility model provides a cement saw-dust sound absorption decorative board, includes base plate layer (1) and decorative board layer (2), its characterized in that: the top on base plate layer (1) is provided with decorates sheet layer (2), the well upper portion on base plate layer (1) is equipped with cavity (3), decorate and seted up a plurality of sound holes (4) of inhaling on sheet layer (2), inhale sound hole (4) run through perpendicularly in decorate sheet layer (2) with the well upper portion on base plate layer (1) and with cavity (3) inside on base plate layer (1) are linked together, decorate and seted up many equal width's hush groove (5) on sheet layer (2).
2. The cement wood chip sound absorption decorative plate of claim 1, which is characterized in that: the cavity (3) is filled with sound-absorbing cotton.
3. The cement wood chip sound absorption decorative plate of claim 1, which is characterized in that: the middle lower part of the substrate layer (1) is provided with a glass fiber net layer (6).
4. The cement wood chip sound absorption decorative plate of claim 1, which is characterized in that: the silencing grooves (5) are distributed on the surface of the decorative plate layer (2) at intervals, arranged in parallel or arranged in a crossed manner; the silencing groove (5) divides the decorative plate layer (2) to form a square groove surface, a semicircular groove surface or a polygonal groove surface.
5. The cement wood chip sound absorption decorative plate of claim 4, which is characterized in that: the surface of the decorative plate layer (2) is a flat surface or a corrugated surface.
6. The cement wood chip sound absorption decorative plate of claim 1, which is characterized in that: the decorative plate layer (2) is a plastic-coated plate, a fireproof plate or a plywood.
7. The cement wood chip sound absorption decorative plate of claim 1, which is characterized in that: two corresponding outer sides of the substrate layer (1) are respectively provided with a groove (7) and a convex strip (8) which are matched with each other.
CN202022570500.2U 2020-11-09 2020-11-09 Cement wood chip sound absorption decorative plate Active CN214089546U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022570500.2U CN214089546U (en) 2020-11-09 2020-11-09 Cement wood chip sound absorption decorative plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022570500.2U CN214089546U (en) 2020-11-09 2020-11-09 Cement wood chip sound absorption decorative plate

Publications (1)

Publication Number Publication Date
CN214089546U true CN214089546U (en) 2021-08-31

Family

ID=77448769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022570500.2U Active CN214089546U (en) 2020-11-09 2020-11-09 Cement wood chip sound absorption decorative plate

Country Status (1)

Country Link
CN (1) CN214089546U (en)

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