Super-thick aluminum honeycomb core

Abstract

The utility model discloses an ultra-thick aluminum honeycomb core which comprises a plate body, the plate body is formed by combining an anti-impact layer, a high-frequency sound insulation layer, an aluminum honeycomb core layer, a sound insulation balance layer, a low-frequency sound insulation layer, a bonding layer and an inner surface layer, the high-frequency sound insulation layer is fixedly connected to the lower surface of the anti-impact layer, and the bonding layer is fixedly connected to the lower surface of the bonding layer. The aluminum honeycomb core layer is fixedly connected to the lower surface of the high-frequency sound insulation layer, the sound insulation balance layer is fixedly connected to the lower surface of the aluminum honeycomb core layer, the low-frequency sound insulation layer is fixedly connected to the lower surface of the sound insulation balance layer, the bonding layer is fixedly connected to the lower surface of the low-frequency sound insulation layer, and the inner surface layer is fixedly connected to the lower surface of the bonding layer. By means of the components, the design of the seven reinforcing layers can provide excellent structural strength and light weight, high-frequency noise and low-frequency noise are effectively isolated through the two different sound insulation layers, and the sound insulation board is suitable for being applied to the field with the high requirement for sound insulation performance.

Description

Technical Field

[0001] The utility model relates to the technical field of honeycomb cores, in particular to an ultra-thick aluminum honeycomb core. Background Art

[0002] The existing ultra-thick aluminum honeycomb core is formed by stacking a variety of reinforcement layers. However, when it is used, it does not have a sound insulation layer and has limited effect on absorbing high-frequency and low-frequency sound waves, which means that it is not ideal in isolating external noise or controlling sound propagation in space. For example, a Chinese patent discloses an "ultra-thick aluminum honeycomb core" with an application number of "202222641916.8". This plate includes: a honeycomb core body, with composite aluminum plates symmetrically arranged at both ends of the honeycomb core body; a composite layer is connected between the composite aluminum plate and the honeycomb core body, and the composite layer includes a flame retardant layer, and high temperature resistant layers are symmetrically arranged on both sides of the flame retardant layer; supports symmetrically arranged on both sides of the honeycomb core body A support plate, both ends of which are fixedly connected to two composite aluminum plates respectively; an anti-seepage layer is arranged on the inner side of the composite aluminum plate, and the support plate can share the extrusion force for the honeycomb core, thereby effectively preventing the honeycomb core from bending, greatly improving the structural strength of the device, and by adding an anti-seepage layer, it can effectively prevent rainwater from penetrating, and through the cooperation of the high-temperature resistant layer and the flame retardant layer, the heat-resistant and fire-proof performance of the device can be greatly enhanced, thereby greatly improving the use effect of the device, but when it is used, it does not have a sound insulation layer, and the absorption effect of high-frequency and low-frequency sound waves is limited, which means that it is not ideal in isolating external noise or controlling the sound propagation in the space. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide an ultra-thick aluminum honeycomb core. The impact-resistant layer made of aluminum alloy has good corrosion resistance and wear resistance, and can protect the plate from physical damage. The high-frequency sound insulation layer made of polyurethane foam has good high-frequency sound wave absorption capacity, and can effectively reduce the propagation of high-frequency noise. The sound insulation balance layer made of carbon fiber composite material increases the stiffness of the plate while maintaining the overall lightness. The composite material also has certain sound insulation and sound absorption properties. The low-frequency sound insulation layer made of heavy sound insulation felt can achieve the isolation and absorption effect of low-frequency noise. The bonding layer made of epoxy resin glue ensures the firm bonding between the inner surface layer and the low-frequency sound insulation layer, and enhances the overall durability of the plate. The inner surface layer made of galvanized steel plate protects the internal structure and meets the aesthetic needs of the internal space.

[0004] The utility model also provides an ultra-thick aluminum honeycomb core as mentioned above, comprising: a plate body, wherein the plate body is composed of an impact-resistant layer, a high-frequency sound insulation layer, an aluminum honeycomb core layer, a sound insulation balance layer, a low-frequency sound insulation layer, an adhesive layer, and an inner surface layer, wherein the high-frequency sound insulation layer is fixedly connected to the lower surface of the impact-resistant layer, the aluminum honeycomb core layer is fixedly connected to the lower surface of the high-frequency sound insulation layer, the sound insulation balance layer is fixedly connected to the lower surface of the aluminum honeycomb core layer, the low-frequency sound insulation layer is fixedly connected to the lower surface of the sound insulation balance layer, the adhesive layer is fixedly connected to the lower surface of the low-frequency sound insulation layer, the inner surface layer is fixedly connected to the lower surface of the adhesive layer, and the side surface of the plate body is fixedly connected with an edge. Through the above components, the seven-layer reinforcement layer design can not only provide excellent structural strength and lightweight characteristics, but also effectively isolate high-frequency and low-frequency noises through two different sound insulation layers, and is suitable for application in fields with high requirements for sound insulation performance.

[0005] According to the super-thick aluminum honeycomb core described in the utility model, the material of the impact-resistant layer is aluminum alloy, and the material of the high-frequency sound insulation layer is polyurethane foam. The above components are used to increase the corrosion resistance and high-frequency noise isolation effect of the board.

[0006] According to the super-thick aluminum honeycomb core described in the utility model, the material of the sound insulation balance layer is a carbon fiber composite material. Through the above components, the rigidity of the plate is increased and a certain sound insulation and sound absorption effect is achieved.

[0007] According to the super-thick aluminum honeycomb core described in the utility model, the material of the low-frequency sound insulation layer is heavy sound insulation felt. Through the above components, the low-frequency noise sound insulation and absorption effect of the plate can be improved.

[0008] According to the ultra-thick aluminum honeycomb core described in the utility model, the material of the bonding layer is epoxy resin glue, and the above components are used to facilitate improving the bonding strength between the inner surface layer and the low-frequency sound insulation layer.

[0009] According to the ultra-thick aluminum honeycomb core described in the utility model, the material of the inner surface layer is galvanized steel plate, and the above components are used to facilitate the protection of the internal structure.

[0010] According to the ultra-thick aluminum honeycomb core described in the utility model, a clamping block is fixedly connected to the side surface of the plate body, and a clamping groove is provided on the side surface of the plate body. The clamping block and the clamping groove are clearance-matched, and the above components facilitate the connection of multiple plate bodies to each other.

[0011] According to the ultra-thick aluminum honeycomb core described in the utility model, the side surface of the block is fixedly connected with a positioning column, the inner surface of the slot is provided with a positioning hole, the positioning column and the positioning hole are clearance-matched, and the above components are used to facilitate positioning when connecting multiple plate bodies.

[0012] Beneficial Effects

[0013] 1. Compared with the existing technology, the ultra-thick aluminum honeycomb core has good corrosion resistance and wear resistance through the impact-resistant layer of aluminum alloy, which can protect the plate from physical damage. The high-frequency sound insulation layer of polyurethane foam material has good high-frequency sound wave absorption ability and can effectively reduce the propagation of high-frequency noise. The sound insulation balance layer of carbon fiber composite material increases the stiffness of the plate while maintaining the overall lightness. The composite material also has certain sound insulation and sound absorption properties.

[0014] 2. Compared with the existing technology, the ultra-thick aluminum honeycomb core can achieve the isolation and absorption effect of low-frequency noise through the low-frequency sound insulation layer made of heavy sound insulation felt. The bonding layer made of epoxy resin glue ensures the firm bonding between the inner layer and the low-frequency sound insulation layer, thereby enhancing the overall durability of the board. The inner layer made of galvanized steel plate protects the internal structure and meets the aesthetic needs of the internal space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the main structural diagram of the ultra-thick aluminum honeycomb core of the utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the ultra-thick aluminum honeycomb core of the utility model;

[0018] Figure 3 This is a left-side structural diagram of the ultra-thick aluminum honeycomb core of the utility model;

[0019] Figure 4 This is a rear structural diagram of the ultra-thick aluminum honeycomb core of the utility model.

[0020] Legend:

[0021] 1. Positioning column; 2. Plate body; 3. Positioning hole; 4. Slot; 5. Edge wrapping; 6. Block; 7. Impact-resistant layer; 8. High-frequency sound insulation layer; 9. Aluminum honeycomb core layer; 10. Sound insulation balance layer; 11. Low-frequency sound insulation layer; 12. Adhesive layer; 13. Inner layer. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4The utility model embodiment provides an ultra-thick aluminum honeycomb core, which includes: a plate body 2, a block 6 is fixedly connected to the side surface of the plate body 2, a slot 4 is provided on the side surface of the plate body 2, the block 6 and the slot 4 are gap-matched, a positioning column 1 is fixedly connected to the side surface of the block 6, a positioning hole 3 is provided on the inner surface of the slot 4, the positioning column 1 and the positioning hole 3 are gap-matched, the plate body 2 is composed of an impact-resistant layer 7, a high-frequency sound insulation layer 8, an aluminum honeycomb core layer 9, a sound insulation balance layer 10, a low-frequency sound insulation layer 11, an adhesive layer 12, and an inner surface layer 13. The material of the impact-resistant layer 7 is aluminum alloy, which is used to increase the corrosion resistance of the plate, the material of the high-frequency sound insulation layer 8 is polyurethane foam, which is used to increase the high-frequency noise isolation effect of the plate, and the material of the sound insulation balance layer 10 is carbon fiber composite material, which is used to increase the rigidity of the plate.

[0024] The material of the low-frequency sound insulation layer 11 is heavy-duty sound insulation felt, which is used to improve the low-frequency noise sound insulation absorption effect of the board. The material of the bonding layer 12 is epoxy resin glue, which is used to improve the bonding strength between the inner layer and the low-frequency sound insulation layer. The material of the inner layer 13 is galvanized steel plate, which is used to protect the internal structure. The high-frequency sound insulation layer 8 is fixedly connected to the lower surface of the impact-resistant layer 7, the aluminum honeycomb core layer 9 is fixedly connected to the lower surface of the high-frequency sound insulation layer 8, the sound insulation balance layer 10 is fixedly connected to the lower surface of the aluminum honeycomb core layer 9, the low-frequency sound insulation layer 11 is fixedly connected to the lower surface of the sound insulation balance layer 10, the bonding layer 12 is fixedly connected to the lower surface of the low-frequency sound insulation layer 11, the inner layer 13 is fixedly connected to the lower surface of the bonding layer 12, and the side surface of the board body 2 is fixedly connected with the edging 5.

[0025] Working principle: When in use, the board is composed of a plurality of effect strengthening layers. The impact-resistant layer 7 made of aluminum alloy has good corrosion resistance and wear resistance, which can protect the board from physical damage. The high-frequency sound insulation layer 8 made of polyurethane foam has good high-frequency sound wave absorption capacity, which can effectively reduce the propagation of high-frequency noise. The sound insulation balance layer 10 made of carbon fiber composite material increases the stiffness of the board while maintaining the overall lightness. The composite material also has certain sound insulation and sound absorption properties. The low-frequency sound insulation layer 11 made of heavy sound insulation felt can achieve the effect of isolating and absorbing low-frequency noise. The bonding layer 12 made of epoxy resin glue ensures the firm bonding between the inner layer and the low-frequency sound insulation layer, thereby enhancing the overall durability of the board. The inner layer 13 made of galvanized steel plate protects the internal structure and meets the aesthetic needs of the internal space.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An ultra-thick aluminum honeycomb core, characterized in that: include: A plate body (2), the plate body (2) is composed of an impact-resistant layer (7), a high-frequency sound insulation layer (8), an aluminum honeycomb core layer (9), a sound insulation balance layer (10), a low-frequency sound insulation layer (11), an adhesive layer (12), and an inner surface layer (13); the high-frequency sound insulation layer (8) is fixedly connected to the lower surface of the impact-resistant layer (7); the aluminum honeycomb core layer (9) is fixedly connected to the lower surface of the high-frequency sound insulation layer (8); the sound insulation balance layer (10) is fixedly connected to the lower surface of the aluminum honeycomb core layer (9); the low-frequency sound insulation layer (11) is fixedly connected to the lower surface of the sound insulation balance layer (10); the adhesive layer (12) is fixedly connected to the lower surface of the low-frequency sound insulation layer (11); the inner surface layer (13) is fixedly connected to the lower surface of the adhesive layer (12); and the side surface of the plate body (2) is fixedly connected with an edge wrapping (5).

2. The ultra-thick aluminum honeycomb core according to claim 1, characterized in that: The material of the impact-resistant layer (7) is aluminum alloy, and the material of the high-frequency sound insulation layer (8) is polyurethane foam.

3. The ultra-thick aluminum honeycomb core according to claim 1, characterized in that: The material of the sound insulation balancing layer (10) is a carbon fiber composite material.

4. The ultra-thick aluminum honeycomb core according to claim 1, characterized in that: The material of the low-frequency sound insulation layer (11) is heavy sound insulation felt.

5. The ultra-thick aluminum honeycomb core according to claim 1, characterized in that: The material of the adhesive layer (12) is epoxy resin glue.

6. The ultra-thick aluminum honeycomb core according to claim 1, characterized in that: The material of the inner surface layer (13) is galvanized steel plate.

7. The ultra-thick aluminum honeycomb core according to claim 1, characterized in that: A clamping block (6) is fixedly connected to the side surface of the plate body (2), a clamping groove (4) is provided on the side surface of the plate body (2), and the clamping block (6) and the clamping groove (4) are clearance-matched.

8. The ultra-thick aluminum honeycomb core according to claim 7, characterized in that: A positioning column (1) is fixedly connected to the side surface of the clamping block (6), a positioning hole (3) is provided on the inner surface of the clamping slot (4), and the positioning column (1) and the positioning hole (3) are clearance-matched.

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