Sound-absorbing and noise-reducing stone cellular board

Abstract

The utility model discloses a sound absorption and noise reduction stone cellular board which comprises a stone surface layer, a middle layer aluminum board, a cellular core layer and an outer layer aluminum board which are sequentially arranged from bottom to top, and adjacent layers and boards are bonded and fixed. And sound-absorbing cotton columns are also arranged in the honeycomb core layer and the stone surface layer. The stone surface layer is provided with first sound-absorbing holes which are arranged in an array and are through up and down, the middle-layer aluminum plate is provided with channels which are arranged in an array and are through up and down, the honeycomb core layer is internally provided with holes for placing sound-absorbing cotton columns, and the holes for placing the sound-absorbing cotton columns, the channels of the middle-layer aluminum plate and the first sound-absorbing holes in the honeycomb core layer are in one-to-one correspondence and are coaxially arranged. The upper portions of the sound-absorbing cotton columns are located in the honeycomb core layer, and the lower ends of the sound-absorbing cotton columns are located in the first sound-absorbing holes in the stone surface layer. A part of the sound-absorbing cotton column extends out of the honeycomb core and is positioned in the sound-absorbing hole of the corresponding stone surface layer, so that the sound-absorbing and noise-reducing effects are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a honeycomb board, in particular to a sound absorption and noise reduction stone honeycomb board. BACKGROUND

[0002] In some buildings, the decorative honeycomb board not only needs to have a decorative effect, but also needs to have a sound absorption and noise reduction function.

[0003] Regarding the sound absorption and noise reduction honeycomb board, Chinese patent document CN 206926338 U (application number 201720539188.6) discloses a sound absorption and noise reduction honeycomb board, which comprises a panel, a bottom plate, and a core between the panel and the bottom plate, the core is composed of a plurality of left and right connected cavities, the panel is a porous plate; the panel, the bottom plate and the core are provided with a buffer pad layer on the interface, the surface of the buffer pad layer is provided with a reflection layer, the cavities of the core are filled with sound absorption cotton, and the cavity wall of the core is provided with a core hole.

[0004] Chinese patent document CN 219365136 U (application number 202223219865.6) discloses a sound absorption and noise reduction aluminum honeycomb board, which comprises an aluminum honeycomb core, a buffer rubber, a sound absorption sponge and an aluminum panel, the upper and lower sides of the aluminum honeycomb core are provided with buffer rubbers, and the outer side of the buffer rubber is provided with a sound absorption sponge; the inner surface of the aluminum panel below the aluminum honeycomb core is welded with a sleeve, the upper part of the sleeve is provided with an elastic block, the inner side of the elastic block is provided with a clamping block, and the sleeve penetrates the buffer rubber and the sound absorption sponge; the inner surface of the aluminum panel above the aluminum honeycomb core is welded with a mounting rod, and the lower part of the mounting rod is integrally provided with a circular table; the circular table is arranged in the corresponding sleeve.

[0005] The applicant also applied for a kind of sound absorption stone honeycomb board in 2022 (application number 202222868269.4), which comprises stone surface layer, intermediate layer aluminum plate, honeycomb core layer, outer layer aluminum plate and sound absorption paper from outside to inside in turn, and is bonded and fixed between layers; The first sound absorption hole is arranged on the stone surface layer, the second sound absorption hole is arranged on the intermediate layer aluminum plate, and the third sound absorption hole is arranged on the outer layer aluminum plate; The second sound absorption hole and the third sound absorption hole are through holes. The applicant upgrades the product on this basis. UTILITY MODEL CONTENTS

[0006] The technical problem to be solved by the utility model is to provide a sound absorption and noise reduction stone honeycomb board.

[0007] The technical scheme for realizing the purpose of the utility model is a sound absorption and noise reduction stone honeycomb board, which comprises stone surface layer, intermediate layer aluminum plate, honeycomb core layer and outer layer aluminum plate arranged in turn from bottom to top, and adjacent layers and plates are bonded and fixed; The honeycomb core layer and the stone surface layer are further provided with sound absorption cotton columns.

[0008] The first sound absorption holes are arranged in an array on the stone material surface layer and penetrate up and down, the channels are arranged in an array on the middle layer aluminum plate and penetrate up and down, the holes for placing the sound absorption cotton columns are arranged in the honeycomb core layer, and the holes for placing the sound absorption cotton columns in the honeycomb core layer, the channels of the middle layer aluminum plate and the first sound absorption holes are coaxial.

[0009] Part of the sound absorption cotton column is located in the honeycomb core layer, and the other part is located in the first sound absorption hole on the stone material surface layer.

[0010] The sound absorption damping grooves are further arranged on the stone material surface layer, the sound absorption damping grooves are outwardly opened, and each sound absorption damping groove avoids the first sound absorption hole.

[0011] Optionally, the depth of the sound absorption damping groove is 1 / 4 to 3 / 4 of the thickness of the stone material surface layer.

[0012] Second sound absorption holes are further arranged on the middle layer aluminum plate, the second sound absorption holes are through holes penetrating up and down and arranged in an array on the middle layer aluminum plate, and the second sound absorption holes are staggered with the first sound absorption holes arranged on the stone material surface layer.

[0013] Optionally, the sound absorption cotton column accounts for 1 / 4 to 2 / 3 of the volume of the sound absorption hole of the stone material surface layer.

[0014] Optionally, the holes for placing the sound absorption cotton column in the first sound absorption hole account for more than 20% of the total number of the first sound absorption holes.

[0015] Further, third sound absorption holes are arranged on the outer layer aluminum plate, the third sound absorption holes are not coaxial with the first sound absorption holes of the stone material surface layer and are not coaxial with the second sound absorption holes.

[0016] Further, the sound absorption and noise reduction stone material honeycomb plate further comprises sound absorption paper, and the sound absorption paper is bonded and fixed above the outer layer aluminum plate.

[0017] The utility model has the positive effect:

[0018] (1) the sound absorption and noise reduction stone material honeycomb plate of the utility model sets up the sound absorption cotton column in the honeycomb core, and part of the sound absorption cotton column is located in the corresponding sound absorption hole of the stone material surface layer, the sound absorption cotton column accounts for 1 / 4 to 1 / 2 of the volume of the sound absorption hole of the stone material surface layer, and the sound absorption and noise reduction effect is enhanced.

[0019] (2) the middle aluminum plate layer of the sound absorption and noise reduction stone material honeycomb plate of the utility model is provided with two groups of through holes, one group is the sound absorption hole staggered with the through hole of the stone material surface layer and has the sound absorption effect, and the other group is the through hole coaxial with the through hole of the stone material surface layer and serves as the channel of the sound absorption cotton column between the stone material surface layer and the honeycomb core.

[0020] (3) The sound absorption and noise reduction stone honeycomb plate of the utility model, on the basis of the layer structure of ordinary stone honeycomb plate, through the staggered sound absorption holes on the stone surface layer, the intermediate aluminum plate layer and the outer aluminum plate, the sound absorption damping groove arranged on the stone surface layer and the sound absorption cotton column arranged in the honeycomb core and part of the sound absorption cotton column located in the sound absorption hole of the stone surface layer, good sound absorption and noise reduction effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the sound absorption and noise reduction stone honeycomb plate of the utility model.

[0022] Figure 2 It is Figure 1 It is an enlarged schematic view of the middle A part.

[0023] Figure 3 It is a sound absorption hole position arrangement schematic view of the stone surface layer.

[0024] Figure 4 It is a sound absorption hole position arrangement schematic view of the intermediate aluminum plate layer.

[0025] Figure 5 It is a schematic view of all hole positions of the intermediate aluminum plate layer.

[0026] Figure 6 It is a sound absorption hole position arrangement schematic view of the outer aluminum plate.

[0027] The marks in the above drawings are as follows: stone surface layer 1, first sound absorption hole 1-1, sound absorption damping groove 1-2, intermediate layer aluminum plate 2, second sound absorption hole 2-1, channel 2-2, honeycomb core layer 3, outer layer aluminum plate 4, third sound absorption hole 4-1, sound absorption cotton column 5, sound absorption paper 6. DETAILED DESCRIPTION

[0028] The following describes some of the multiple possible embodiments of the utility model, aiming at providing the basic understanding of the utility model, and not aiming at confirming the key or decisive elements of the utility model or limiting the scope of protection. It is easy to understand that according to the technical scheme of the utility model, other implementation manners can be proposed by the general technical personnel in the field without changing the essential spirit of the utility model. Therefore, the following specific embodiments are only the exemplary description of the technical scheme of the utility model, and should not be regarded as the whole of the utility model or regarded as the limitation or restriction of the technical scheme of the utility model.

[0029] (Embodiment 1)

[0030] See Figures 1 to 6The sound-absorbing and noise-reducing stone honeycomb plate of the embodiment comprises, from bottom to top, a stone surface layer 1, an intermediate layer aluminum plate 2, a honeycomb core layer 3, and an outer layer aluminum plate 4, and adjacent layers and plates are bonded and fixed (the bonding layer is not shown); the honeycomb core layer 3 and the stone surface layer 1 are further provided with sound-absorbing cotton columns 5.

[0031] See Figures 1 to 3 The stone surface layer 1 is provided with first sound-absorbing holes 1-1 and sound-absorbing damping grooves 1-2. The first sound-absorbing holes 1-1 are through holes penetrating from top to bottom, and the sound-absorbing damping grooves 1-2 are outwardly open, and the depth of the sound-absorbing damping grooves 1-2 is 1 / 4~3 / 4 of the thickness of the stone surface layer 1, and in the embodiment, it is 1 / 2.

[0032] See Figure 3 The first sound-absorbing holes 1-1 are arrayed on the stone surface layer 1; and a plurality of sound-absorbing damping grooves 1-2 are arranged in parallel on the stone surface layer 1, and each sound-absorbing damping groove 1-2 avoids the first sound-absorbing hole 1-1.

[0033] See Figure 4 and Figure 5 The intermediate layer aluminum plate 2 is provided with second sound-absorbing holes 2-1 and channels 2-2.

[0034] The second sound-absorbing holes 2-1 are through holes penetrating from top to bottom, and are arrayed on the intermediate layer aluminum plate 2; the second sound-absorbing holes 2-1 are arranged staggered with the first sound-absorbing holes 1-1 arranged on the stone surface layer 1, that is, all the second sound-absorbing holes 2-1 are not coaxial with the first sound-absorbing holes 1-1 on the stone surface layer 1.

[0035] The channels 2-2 are through holes penetrating from top to bottom, and are arrayed on the intermediate layer aluminum plate 2, and the arrangement of the channels 2-2 is the same as the arrangement of the first sound-absorbing holes 1-1 on the stone surface layer 1, the diameter of the channels 2-2 is the same as the hole diameter of the first sound-absorbing holes 1-1, and the channels 2-2 and the first sound-absorbing holes 1-1 are one-to-one corresponding and coaxial.

[0036] See Figure 1 and Figure 2 The honeycomb core layer 3 is provided with holes for placing the sound-absorbing cotton columns 5; the arrangement of the holes for placing the sound-absorbing cotton columns 5 is the same as the arrangement of the first sound-absorbing holes 1-1 on the stone surface layer 1. That is, the holes for placing the sound-absorbing cotton columns 5 in the honeycomb core layer 3, the channels 2-2 of the intermediate layer aluminum plate 2, and the first sound-absorbing holes 1-1 are one-to-one corresponding and coaxial.

[0037] Most of each sound-absorbing cotton column 5 is located in the honeycomb core layer 3, and the lower end part is located in the first sound-absorbing hole 1-1 on the stone surface layer 1; the sound-absorbing cotton column 5 occupies 1 / 4~2 / 3 (in the embodiment, 1 / 2) of the volume of the sound-absorbing hole in the stone surface layer.

[0038] According to the design, each first sound absorption hole 1-1 on the stone surface layer 1 can be provided with a sound absorption cotton column 5 (as in the embodiment), or only part of the first sound absorption hole 1-1 can be provided with a sound absorption cotton column 5, for example, the holes where the sound absorption cotton columns 5 are placed account for more than 20% of the total number of first sound absorption holes 1-1.

[0039] See Figure 6 The outer layer aluminum plate 4 is provided with third sound absorption holes 4-1, which are not coaxially placed with the first sound absorption holes 1-2 of the stone surface layer 1 or the second sound absorption holes 2-1, and are placed in a staggered manner, thereby changing the sound channel and enhancing the sound absorption effect.

[0040] During processing, the second sound absorption holes 2-1 on the middle layer aluminum plate 2 and the third sound absorption holes 4-1 on the outer layer aluminum plate 4 are first opened. Then the stone plate used for the stone surface layer 1, the middle layer aluminum plate 2, the honeycomb core layer 3, and the outer layer aluminum plate 4 are compounded and bonded and fixed; according to the arrangement of the first sound absorption holes 1-1 provided on the stone surface layer 1, holes are punched inward from the stone plate until the honeycomb core layer 3 is punched, thereby obtaining the first sound absorption holes 1-1 of the stone surface layer 1, the second sound absorption holes 2-1 on the middle layer aluminum plate 2, and the holes in the honeycomb core layer 3 for placing the sound absorption cotton columns 5; the sound absorption cotton columns 5 are placed in the honeycomb core layer 3 from the first sound absorption holes 1-1, so that most of the sound absorption cotton columns 5 are located in the honeycomb core layer 3, and the lower end is located in the first sound absorption hole 1-1 on the stone surface layer 1, and the sound absorption cotton columns 5 occupy 1 / 4~2 / 3 of the volume of the sound absorption holes of the stone surface layer.

[0041] In the sound absorption and noise reduction stone honeycomb plate of the embodiment, the thickness of the stone surface layer 1 is 6mm, the thickness of the middle layer aluminum plate 2 is 1mm, the thickness of the honeycomb core layer 3 is 17mm, the thickness of the outer layer aluminum plate 4 is 1mm, the hole distance of the two adjacent first sound absorption holes 1-1 is 14mm, the hole distance of the two adjacent second sound absorption holes 2-1 is 25mm, and the hole distance of the two adjacent third sound absorption holes 4-1 is 8mm; the honeycomb plate is detected according to GB / T 16731-1997, and NRC=0.75.

[0042] (Embodiment 2)

[0043] The sound absorption and noise reduction stone honeycomb plate of the embodiment is the same as that of Embodiment 1, except that it further includes sound absorption paper 6. The sound absorption paper 6 is bonded and fixed on the upper side of the outer layer aluminum plate 4.

Claims

1. A sound-absorbing and noise-reducing stone honeycomb panel, comprising, from bottom to top, a stone surface layer (1), an intermediate layer aluminum plate (2), a honeycomb core layer (3), and an outer layer aluminum plate (4), and the adjacent layers and plates are bonded and fixed; characterized in that: The honeycomb core layer (3) and the stone surface layer (1) are further provided with sound-absorbing cotton columns (5); The stone surface layer (1) is provided with first sound-absorbing holes (1-1) arranged in an array and penetrating up and down, the middle layer aluminum plate (2) is provided with channels (2-2) arranged in an array and penetrating up and down, the honeycomb core layer (3) is provided with holes for placing the sound-absorbing cotton columns (5), the holes for placing the sound-absorbing cotton columns (5) in the honeycomb core layer (3), the channels (2-2) of the middle layer aluminum plate (2) and the first sound-absorbing holes (1-1) are one-to-one corresponding and coaxially arranged; Part of the sound-absorbing cotton columns (5) is located in the honeycomb core layer (3), and the other part is located in the first sound-absorbing holes (1-1) on the stone surface layer (1).

2. The sound absorbing and noise reducing stone cellular panel according to claim 1, characterized in that: The stone surface layer (1) is further provided with sound-absorbing damping grooves (1-2), the sound-absorbing damping grooves (1-2) are outwardly opened, and each sound-absorbing damping groove (1-2) avoids the first sound-absorbing holes (1-1).

3. The sound absorbing and noise reducing stone cellular panel according to claim 2, characterized in that: The depth of the sound-absorbing damping grooves (1-2) is 1 / 4-3 / 4 of the thickness of the stone surface layer (1).

4. The sound absorbing and noise reducing stone cellular panel according to claim 1, characterized in that: The middle layer aluminum plate (2) is further provided with second sound-absorbing holes (2-1), the second sound-absorbing holes (2-1) are through holes penetrating up and down and arranged in an array on the middle layer aluminum plate (2); the second sound-absorbing holes (2-1) are staggered with the first sound-absorbing holes (1-1) arranged on the stone surface layer (1).

5. The sound absorbing and noise reducing stone cellular panel according to claim 1, characterized in that: The sound-absorbing cotton columns (5) occupy 1 / 4-2 / 3 of the volume of the sound-absorbing holes in the stone surface layer.

6. The sound absorbing and noise reducing stone cellular panel according to claim 1, wherein: The holes for placing the sound-absorbing cotton columns (5) in the first sound-absorbing holes (1-1) account for more than 20% of the total number of the first sound-absorbing holes (1-1).

7. The sound absorbing and noise reducing stone cellular panel according to claim 1, wherein: The outer layer aluminum plate (4) is provided with third sound-absorbing holes (4-1), the third sound-absorbing holes (4-1) are not coaxially placed with the first sound-absorbing holes (1-1) of the stone surface layer (1) nor with the second sound-absorbing holes (2-1).

8. The sound absorbing and noise reducing stone cellular panel according to claim 1, characterized in that: Further comprising sound-absorbing paper (6), the sound-absorbing paper (6) is bonded and fixed above the outer layer aluminum plate (4).

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