Thermal insulation composite fireproof plate

Abstract

The utility model discloses a kind of heat-insulating and heat-preservation composite fireproof plate, comprising: fireproof plate;Fireproof plate has foamed polyurethane core layer, kraft paper layer, lining paper layer and decorative paper layer;Foamed polyurethane core layer has framework inside, framework is grid-shaped, is spliced into by paperboard strip, the edge of paperboard strip is equipped with multiple grooves, multiple through holes are equipped on paperboard strip, framework is fixed in mould groove filling foamed polyurethane, after forming, form hard foamed polyurethane core layer.The utility model sets up foamed polyurethane core layer in fireproof plate, foamed polyurethane core layer is made into hard foamed polyurethane core plate by framework and mould, with the strength of impact resistance, foamed polyurethane has lower thermal conductivity and is excellent heat-insulating material, foamed polyurethane core plate is attached kraft paper of infiltration resin on both sides, play the role of waterproof and moisture-proof, to improve the overall performance of fireproof plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fireproof plate, concretely relates to a heat -insulation composite fireproof plate. BACKGROUND

[0002] Fireproof plate is also called fire-resistant plate, is a kind of decorative veneer, the scientific name is thermosetting resin impregnated paper high-pressure laminated board, is widely used in indoor decorative finishing, the existing fireproof plate is mostly decorative effect, and cannot play the role of heat insulation, and actual building decoration needs to improve the performance of heat insulation, in order to improve the performance of heat insulation of fireproof plate provides a kind of heat insulation composite fireproof plate. CONTENT OF UTILITY MODEL

[0003] Therefore, the utility model wants to solve the technical problem to provide a kind of heat insulation composite fireproof plate, solves the problem of poor heat insulation performance of fireproof plate in prior art.

[0004] In order to solve the above technical problem, the utility model discloses a kind of heat insulation composite fireproof plate, including: fireproof plate;Fireproof plate has foamed polyurethane core layer, kraft paper layer, lining paper layer and decorative paper layer, foamed polyurethane core layer is provided kraft paper layer on both sides, lining paper layer is located the outer surface of one side kraft paper layer, decorative paper layer is located the outer surface of lining paper layer;Foamed polyurethane core layer has skeleton in the inside, skeleton is grid-shaped, is spliced into by paperboard strip, paperboard strip edge is equipped with multiple grooves, paperboard strip is equipped with multiple through holes, skeleton is fixed in mold groove fills foamed polyurethane, forms hard foamed polyurethane core layer after forming.

[0005] Further, the above-mentioned paperboard strip is a multi-layer composite corrugated paper.

[0006] Further, each unit grid of the above-mentioned skeleton is provided with one through hole on each of the four side surfaces.

[0007] Further, each unit grid of the above-mentioned skeleton is provided with grooves on the four side surface edges.

[0008] Further, each side surface edge of both ends of the above-mentioned unit grid is provided with two grooves.

[0009] Compared with the prior art, the present application can obtain the following technical effects:

[0010] The utility model sets up foamed polyurethane core layer in fireproof plate, foamed polyurethane core layer is made into hard foamed polyurethane core plate by skeleton and mold, has the strength of impact resistance, foamed polyurethane has lower thermal conductivity and is excellent heat preservation material, kraft paper impregnated with resin is attached on both sides of hard foamed polyurethane core plate, plays the role of waterproof and moisture-proof, to improve the overall performance of fireproof plate.

[0011] Of course, implementing any product of the present application does not necessarily need to achieve all the technical effects described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the present application. In the drawings:

[0013] Figure 1 is a cross-sectional schematic view of a fireproof plate according to an embodiment of the present application;

[0014] Figure 2 is a schematic view of a framework according to an embodiment of the present application;

[0015] Figure 3 is a cross-sectional schematic view of a fireproof plate according to an embodiment of the present application; Figure 2 is an enlarged schematic view of A in FIG. 4.

[0016] BRIEF DESCRIPTION OF DRAWINGS

[0017] Foamed polyurethane core layer 1, kraft paper layer 2, backing paper layer 3, decorative paper layer 4, framework 5, groove 6, through hole 7. DETAILED DESCRIPTION

[0018] The embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings and embodiments, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0019] Please refer to Figures 1 to 3 , Figure 1 is a cross-sectional schematic view of a fireproof plate according to an embodiment of the present application; Figure 2 is a schematic view of a framework according to an embodiment of the present application; Figure 3 is a cross-sectional schematic view of a fireproof plate according to an embodiment of the present application; Figure 2 is an enlarged schematic view of A in FIG. 4.

[0020] A heat-insulating and heat-preservation composite fireproof plate, comprising: a fireproof plate; the fireproof plate has a foamed polyurethane core layer 1, a kraft paper layer 2, a backing paper layer 3, and a decorative paper layer 4, the two sides of the foamed polyurethane core layer 1 are provided with the kraft paper layer 2, the backing paper layer 3 is located on the outer surface of one side of the kraft paper layer 2, and the decorative paper layer 4 is located on the outer surface of the backing paper layer 3; the foamed polyurethane core layer 1 has a framework 5 inside, the framework 5 is in a grid shape and is spliced by paperboard strips, the edges of the paperboard strips are provided with a plurality of grooves 6, a plurality of through holes 7 are arranged on the paperboard strips, the framework 5 is fixed in a mold groove and filled with foamed polyurethane, and after forming, a hard foamed polyurethane core layer 1 is formed.

[0021] The paperboard strip is a multi-layer composite corrugated paper with strong supporting and impact resistance, each unit grid of the framework 5 is provided with a through hole 7 on four sides, each unit grid of the framework 5 is provided with a groove 6 on four side edges, each side edge of two ends of the unit grid is provided with two grooves 6, the framework 5 is placed in a mold and fixed, the foamed polyurethane is filled in the mold, the foamed polyurethane wraps the whole framework 5, fills the grooves 6 and the through holes 7, and the framework 5 and the foamed polyurethane are fastened together after hardening, so that the foamed polyurethane core layer 1 has better impact resistance.

[0022] The foamed polyurethane core layer 1 is arranged in the fireproof plate, the foamed polyurethane core layer 1 is made of the framework 5 and a mold into a hard foamed polyurethane core plate, has impact resistance, the foamed polyurethane has a low thermal conductivity and is an excellent heat preservation material, the hard foamed polyurethane core plate is attached to the cow leather paper soaked in resin on both sides, plays a waterproof and moisture-proof role, and thus the overall performance of the fireproof plate is improved.

[0023] The above description shows and describes several preferred embodiments of the utility model, but as described above, it should be understood that the utility model is not limited to the forms disclosed in the present application, should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be changed by the above teaching or related technical or knowledge within the scope of the utility model concept described in the present application. The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the claims attached to the utility model.

Claims

1. A heat-insulating and fireproof composite board, comprising: Fireproof board; The fireproof board is characterized by having a polyurethane foam core layer, a kraft paper layer, a liner paper layer, and a decorative paper layer. Kraft paper layers are provided on both sides of the polyurethane foam core layer, the liner paper layer is located on the outer surface of one side of the kraft paper layer, and the decorative paper layer is located on the outer surface of the liner paper layer. The polyurethane foam core layer has an internal skeleton, which is grid-shaped and made of cardboard strips. The edges of the cardboard strips are provided with multiple grooves, and the cardboard strips are provided with multiple through holes. The skeleton is fixed in the mold groove and filled with polyurethane foam, forming a rigid polyurethane foam core layer after molding.

2. The heat-insulating and fireproof composite board as described in claim 1, characterized in that, The cardboard strip is a multi-layer composite corrugated paper.

3. The heat-insulating composite fireproof board as described in claim 2, characterized in that, Each of the four sides of each unit grid of the skeleton has a through hole.

4. The heat-insulating and fireproof composite board as described in claim 3, characterized in that, Each unit grid of the skeleton has grooves on its four side edges.

5. The heat-insulating and fireproof composite board as described in claim 4, characterized in that, Each side edge at both ends of the unit grid has two grooves.

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