CN207211495U - A kind of combined wall board provided with cement foamed sandwich layer - Google Patents

Abstract

The utility model discloses a composite wallboard provided with a cement foam core layer, which belongs to the technical field of composite wallboards, and solves the existing problems of the existing wallboards such as large volume density, low strength, easy deformation, poor heat insulation and fire resistance. Poor, the size can not meet the needs of direct assembly. The composite wallboard comprises a cement foam core layer and a protective layer on the outer periphery of the cement foam core layer, the outer periphery of the protective layer is provided with a surface layer, and the outer periphery of the wallboard is provided with male and female grooves. The core layer of the utility model adopts the cement foam material of hollow honeycomb structure with low bulk density, the overall bulk density can be reduced to less than 600kg/ ^m3 , and the compressive strength is above 3.5MPa, which fully meets the requirements of light weight and high strength, and belongs to A High-grade fireproof material, with excellent fireproof, heat preservation and heat insulation properties, the length of the board can be freely customized according to actual needs, and the mortar filling amount is small after the surface is grooved, which is convenient for construction.

Description

Composite wallboard with cement foam core layer

technical field

The utility model belongs to the technical field of composite wall panels, in particular to a composite wall panel provided with a cement foam core layer.

Background technique

The new wall panel is a new type of green and environmentally friendly new building material, and it is also an important part of the prefabricated building. With the continuous deepening of wall material innovation and building energy-saving system engineering, the improvement of building living conditions will inevitably bring about the innovation and improvement of wall materials, and people's understanding of new wall materials is becoming more and more clear. In addition to the requirements, it is also necessary to have the characteristics of environmental protection, light weight, good thermal insulation and sound insulation performance, waterproof and fireproof, and easy assembly construction.

At present, the new wall panels widely used in the market mainly include: light aggregate concrete strips, cement strips, gypsum strips, glass fiber reinforced cement (GRC) lightweight porous strips, magnesite polystyrene particle cement sandwich composite Slats, plant fiber composite slats, fiber reinforced silicate cover boards, etc. Although the above new wall panels have different production techniques and wall materials, they all have obvious defects and deficiencies in the production techniques or construction methods. The first type of hollow board: this kind of board is generally made of cement, gypsum and lightweight aggregate as the main wall material. In order to ensure the board to achieve the purpose of light weight, a cylindrical cavity is left in the center of the board and poured as a whole. The common defects of the board are: (1) The bulk density is high. In order to ensure the strength of the board, the volume of the central cavity is limited, which makes it difficult to reduce the bulk density of the board to below 700kg/m3; (2) The cost is high. Except for the central cavity, the board The remaining parts are all solid structures, with high material density and high input costs; (3) construction is difficult, and the cavity in the plate needs to be filled with mortar after the plate pipeline is grooved, which increases the cost of construction labor materials; the second type of composite sandwich core Board: This kind of board mainly uses prefabricated magnesite and calcium silicon board as the surface layer, and the center is filled with polystyrene particles or plant fiber cement. The main defects are: (1) The surface layer of composite materials such as magnesite has poor durability and is easy to deform and crack. (2) The surface layer and the core layer are not formed at one time, and they are easy to crack and fall off over time, which affects the quality of the wall; (3) The polystyrene used for the surface layer and core material of the board Other chemical raw materials are flammable, resulting in poor fire performance of the board as a whole.

Utility model content

The purpose of this utility model is to provide a composite wallboard with a cement foam core layer to solve the problems of existing wallboards such as large bulk density, low strength, easy deformation, poor heat insulation and fire resistance, and incompatible dimensions. Problems that meet immediate assembly needs.

In order to achieve the above object, the technical solution adopted by the utility model is:

A composite wallboard with a cement foam core layer, comprising a cement foam core layer and a protective layer on the periphery of the cement foam core layer, a steel wire mesh layer, a grid cloth layer and a filling layer are arranged in the protective layer, and the steel wire mesh The layers are symmetrically arranged on both sides of the cement foam core layer, and the mesh layer is arranged outside the steel mesh layer. The cement foam core layer, steel mesh layer and mesh layer are connected by a filling layer, and the outer periphery of the protective layer is There is a surface layer, and the outer periphery of the wallboard is provided with a male and a female tongue and groove.

In order to further realize the utility model, the cement foam core layer is a hollow honeycomb structure.

In order to further realize the utility model, the thickness of the cement foam core layer is 5-10cm, the width is 50-60cm, and the length is 90-105cm.

In order to further realize the utility model, the thickness of the steel mesh layer is 1.5-2.5mm, the aperture is 95-105mm, the length of the steel mesh layer is 8-10cm, and the width is 8-9.4cm.

In order to further realize the utility model, the thickness of the grid cloth layer is 5-10mm, 9.5-10.5mm, and the mass is 80-120kg/m ² .

In order to further realize the utility model, the male and female tongue and groove are trapezoidal, with a thickness of 20-25mm, a long side of 50-55mm, and a short side of 30-35mm.

In order to further realize the utility model, the length of the wallboard is 100-310cm.

Compared with the beneficial effects of the prior art, the utility model is as follows:

The core layer of the utility model adopts the cement foam material of hollow honeycomb structure with low bulk density, the overall bulk density can be reduced to less than 600kg/ ^m3 , and the compressive strength is above 3.5MPa, which fully meets the requirements of light weight and high strength, and belongs to A High-grade fireproof material, with excellent fireproof, heat preservation and heat insulation properties, the length of the board can be freely customized according to actual needs, and the mortar filling amount is small after the surface is grooved, which is convenient for construction.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the utility model.

The meanings of reference signs are as follows: 1. Cement foam core layer; 2. Steel wire mesh layer; 3. Mesh cloth layer; 4. Filling layer; 5. Surface layer; 6. Tenon groove.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1-2, a composite wallboard with a cement foam core layer includes a cement foam core layer 1 and a protective layer around the cement foam core layer 1, and the cement foam core layer 1 is a hollow honeycomb Structure, the protective layer is provided with a steel mesh layer 2, a mesh cloth layer 3 and a filling layer 4, the steel mesh layer is symmetrically arranged on both sides of the cement foam core layer 1, and the mesh cloth layer 3 is arranged outside the steel mesh layer 2 , the cement foam core layer 1, the steel wire mesh layer 2 and the grid cloth layer 3 are connected by a filling layer 4, the outer periphery of the protective layer is provided with a surface layer 5, and the outer periphery of the wallboard is provided with a male and female groove 6, wherein the cement hair The thickness of the foam core layer 1 is 5-10cm, the width is 50-60cm, and the length is 90-105cm, the thickness of the steel mesh layer 2 is 1.5-2.5mm, the aperture is 95-105mm, and the length of the steel mesh layer is 8-10cm , the width is 8-9.4cm, the thickness of the grid cloth layer 3 is 5-10mm, 9.5-10.5mm, the mass is 80-120kg/m ² , the male and female tongue and groove 6 are trapezoidal, the thickness is 20-25mm, and the long side is 50-55mm, the short side is 30-35mm, and the length of the wallboard is 100-310cm.

Before operation, the utility model can be customized according to needs, and during operation, the adjacent wallboards can be embedded through the male and female tenon grooves 6 .

Claims (7)

1. A kind of 1. combined wall board provided with cement foamed sandwich layer, it is characterised in that：Including cement foamed sandwich layer（1）With it is cement foamed Sandwich layer（1）The protective layer of periphery, the protective layer is interior to be provided with steel screen layer（2）, scrim layer（3）And packed layer（4）, steel wire Layer is symmetricly set in cement foamed sandwich layer（1）Both sides, steel screen layer（2）Outside set scrim layer（3）, cement foamed core Layer（1）, steel screen layer（2）And scrim layer（3）Between pass through packed layer（4）Connection, the periphery of protective layer is provided with surface layer（5）, The periphery of wallboard sets male and female tongue-and-groove（6）.
2. 2. the combined wall board of cement foamed sandwich layer is provided with as claimed in claim 1, it is characterised in that：The cement foamed sandwich layer （1）For hollow honeycomb structure.
3. 3. the combined wall board of cement foamed sandwich layer is provided with as claimed in claim 1 or 2, it is characterised in that：It is described cement foamed Sandwich layer（1）Thickness be 5-10cm, width 50-60cm, length 90-105cm.
4. 4. the combined wall board of cement foamed sandwich layer is provided with as claimed in claim 3, it is characterised in that：The steel screen layer（2） Thickness be 1.5-2.5mm, aperture 95-105mm, the length of steel screen layer is 8-10cm, width 8-9.4cm.
5. 5. the combined wall board of cement foamed sandwich layer is provided with as claimed in claim 4, it is characterised in that：The scrim layer（3） Thickness be 5-10mm, 9.5-10.5mm, quality 80-120kg/m²。
6. 6. the combined wall board of cement foamed sandwich layer is provided with as claimed in claim 5, it is characterised in that：The male and female tongue-and-groove（6） To be trapezoidal, thickness 20-25mm, long side 50-55mm, short side 30-35mm.
7. 7. the combined wall board of cement foamed sandwich layer is provided with as claimed in claim 6, it is characterised in that：The length of the wallboard is 100-310cm。