CN216267918U

CN216267918U - Honeycomb foam composite board

Info

Publication number: CN216267918U
Application number: CN202122243882.2U
Authority: CN
Inventors: 易祯亮
Original assignee: Chongqing Kelin Composite Material Co ltd
Current assignee: Chongqing Kelin Composite Material Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-12
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a honeycomb foam composite board, which comprises a honeycomb core layer, a top layer panel and a bottom layer panel; forming a barrier layer by filling and arranging a foaming material in an inner gap of the honeycomb core layer; the top layer panel and the bottom layer panel are respectively bonded and fixed at the top end and the bottom end of the honeycomb core layer. According to the composite board, the foaming material is filled in the honeycomb core layer, so that the barrier layer is formed in the honeycomb core layer, the composite board has the characteristics of rigidity, light weight and good flatness of a common honeycomb board, the sound insulation and heat insulation effects of the honeycomb foam board are achieved, and the board thickness of the composite board can be reduced by filling the foaming material in the honeycomb core layer; the composite board has excellent mechanical properties of compression resistance, bending resistance, impact resistance, shearing resistance and the like, and good stripping resistance, sound insulation effect and heat insulation effect of the top layer panel and the bottom layer panel.

Description

Honeycomb foam composite board

Technical Field

The utility model belongs to the technical field of composite boards, and particularly relates to a honeycomb foam composite board.

Background

The prior art structure of the honeycomb composite board is generally that a honeycomb (aluminum honeycomb or plastic honeycomb) is pasted with panels on two sides, or the honeycomb is pasted with a foam board and then the panels are pasted on two sides. However, the honeycomb composite board has the defects that: a large amount of air spaces exist inside the honeycomb of the two composite boards, so that the composite boards are poor in sound insulation effect and heat insulation effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a honeycomb foam composite board, which is characterized in that a foaming material is filled in a honeycomb core layer, so that a barrier layer is formed in the honeycomb core layer, and the sound insulation effect and the heat insulation effect of the composite board are improved.

The utility model is realized by the following technical scheme:

a honeycomb foam composite board comprises a honeycomb core layer, a top layer panel and a bottom layer panel;

the inner gap of the honeycomb core layer is filled with a foaming material to form a barrier layer, so that the air retention space in the honeycomb core layer can be reduced, and the sound insulation effect and the heat insulation effect are improved;

and the top layer panel and the bottom layer panel are respectively bonded and fixed at the top end and the bottom end of the honeycomb core layer to form the composite board.

Further limiting, the honeycomb core layer comprises a plurality of hollow columns, the hollow columns are arranged in an array type in a staggered mode, a plurality of communicating holes are formed in the side wall of each hollow column, when the hollow columns are filled with foaming materials and extruded, the foaming materials in the hollow columns can penetrate through the communicating holes in the radial direction, the foaming materials can fill gaps between adjacent hollow columns, and the filling balance of the foaming materials in the connected hollow columns can be guaranteed.

Further inject, the bottom of top layer panel, the top of bottom layer panel all are equipped with a plurality of bosss, a plurality of bosss and a plurality of hollow cylinder one-to-one, and when top layer panel, bottom layer panel bonded with the honeycomb sandwich layer, the boss correspondence stretched into in the hollow cylinder, and the bonding area of top layer panel, bottom layer panel can be increased to this kind of structure, improves the bonding steadiness, and the boss correspondence stretches into in the hollow cylinder, can improve anti shear property.

Further inject, the boss is frustum shape, and the lateral wall of boss is equipped with multilayer annular groove, and this kind of structure can increase bonding area, improves horizontal, the vertical binding power of constraining.

Further defined, the barrier layer is made of polyurethane foam.

And bonding layers are arranged between the top layer panel and the honeycomb core layer and between the bottom layer panel and the honeycomb core layer.

Further defined, the bonding layer is made of foaming materials, specifically, the foaming materials include, but are not limited to, polyurethane foaming materials, resin foaming materials, cement foaming materials and aerogel.

According to the technical scheme, the honeycomb foam composite board provided by the utility model has the beneficial effects that: the composite board is characterized in that the honeycomb core layer is filled with the foaming material, so that the barrier layer is formed inside the honeycomb core layer, the composite board has the characteristics of rigidity, light weight and good flatness of a common honeycomb board, the sound insulation and heat insulation effects of the honeycomb foam board are achieved, and the board thickness of the composite board can be reduced by filling the foaming material inside the honeycomb core layer; the composite board has excellent compression resistance, bending resistance, impact resistance, shearing resistance and other mechanical properties, and good stripping resistance of the top layer panel and the bottom layer panel, and has good sound insulation effect and heat insulation effect.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Figure 1 is an exploded view of the present invention (without barrier and adhesive layers).

Fig. 2 is a schematic view of a partial structure at a in fig. 1.

Fig. 3 is a front view of the present invention.

Fig. 4 is a schematic view of a partial structure at B in fig. 3.

Fig. 5 is a sectional view taken along the direction C-C in fig. 3.

Fig. 6 is a partial structural diagram of fig. 5 at D.

In the drawings: 1-honeycomb core layer, 11-hollow cylinder, 12-intercommunicating pore, 2-top panel, 3-bottom panel, 4-barrier layer, 5-boss, 6-annular groove and 7-adhesive layer.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

In the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present invention.

As shown in fig. 1 to 6, a honeycomb foam composite panel includes a honeycomb core layer 1, a top layer panel 2 and a bottom layer panel 3;

the honeycomb core layer 1 comprises a plurality of hollow columns 11, the hollow columns 11 are arranged in an array type in a staggered mode, and a plurality of communicating holes 12 are formed in the side wall of each hollow column 11;

the inner gaps of a plurality of hollow columns 11 of the honeycomb core layer 1 are filled with foaming materials to form a barrier layer 4, and the barrier layer 4 is made of polyurethane foam; when the hollow columns 11 are filled with the foaming material and extruded, the foaming material in the hollow columns 11 can pass through the communicating holes 12 along the radial direction, so that the foaming material can fill the gaps between the adjacent hollow columns 11 and the filling balance of the foaming material in the connected hollow columns 11 can be ensured; the structure can reduce the air retention space in the honeycomb core layer 1, and improve the sound insulation effect and the heat insulation effect;

the top panel 2 and the bottom panel 3 are respectively bonded and fixed at the top end and the bottom end of the honeycomb core layer 1, and bonding layers 7 are arranged between the top panel 2 and the honeycomb core layer 1 and between the bottom panel 3 and the honeycomb core layer 1 to form a composite board; the bottom of top layer panel 2, bottom layer panel 3's top all is equipped with a plurality of bosss 5, a plurality of bosss 5 and a plurality of hollow cylinder 11 one-to-one, and when top layer panel 2, bottom layer panel 3 bonded with honeycomb sandwich layer 1, boss 5 corresponds and stretches into in the hollow cylinder 11, and this kind of structure can increase top layer panel 2, bottom layer panel 3's bonding area, improves the bonding steadiness, and boss 5 corresponds and stretches into in the hollow cylinder 11, can improve anti shear property.

In this embodiment, boss 5 is frustum shape, and the lateral wall of boss 5 is equipped with multilayer annular groove 6, and this kind of structure can increase bonding area, improves horizontal, the restraint power of vertically bonding.

In this embodiment, the adhesive layer 7 is made of polyurethane foam; specifically, the adhesive layer 7 is integrally formed with the barrier layer 4, both by compression molding with filled polyurethane foam.

The composite board is characterized in that the foam material is filled in the honeycomb core layer 1, so that the barrier layer 4 is formed in the honeycomb core layer 1, the composite board has the characteristics of rigidity, light weight and good flatness of a common honeycomb board, and has the sound and heat insulation effects of the honeycomb foam board, and the thickness of the composite board can be reduced by filling the foam material in the honeycomb core layer 1; the composite board has excellent mechanical properties of compression resistance, bending resistance, impact resistance, shear resistance and the like, and good stripping resistance of the top layer panel 2 and the bottom layer panel 3, and has good sound insulation effect and heat insulation effect.

Claims

1. The utility model provides a honeycomb foam composite sheet, includes honeycomb sandwich layer, top layer panel and bottom layer panel, its characterized in that:

forming a barrier layer by filling and arranging a foaming material in an inner gap of the honeycomb core layer;

and the top layer panel and the bottom layer panel are respectively bonded and fixed at the top end and the bottom end of the honeycomb core layer.

2. The cellular foam composite panel of claim 1, wherein: the honeycomb core layer comprises a plurality of hollow columns, and the hollow columns are arranged in an array type in a staggered mode.

3. The cellular foam composite panel of claim 2, wherein: each hollow cylinder side wall is provided with a plurality of communicating holes.

4. The cellular foam composite panel of claim 3, wherein: the bottom of top layer panel, the top of bottom layer panel all are equipped with a plurality of bosss, a plurality of bosss and a plurality of hollow cylinder one-to-one, and when top layer panel, bottom layer panel and honeycomb sandwich layer bonded, the boss correspondence stretched into in the hollow cylinder.

5. The cellular foam composite panel of claim 4, wherein: the boss is frustum-shaped, and the lateral wall of boss is equipped with multilayer annular groove.

6. The cellular foam composite panel according to any one of claims 1 to 5, wherein: the barrier layer is made of polyurethane foam.

7. The cellular foam composite panel of claim 1, wherein: and bonding layers are arranged between the top panel and the honeycomb core layer and between the bottom panel and the honeycomb core layer.

8. The cellular foam composite panel of claim 7, wherein: the bonding layer is made of a foaming material.

9. The cellular foam composite panel of claim 8, wherein: the bonding layer is made of polyurethane foaming material, resin foaming material, cement foaming material or aerogel.