Light straw fiber-based composite board

Abstract

The utility model belongs to the technical field of composite boards, and particularly relates to a light straw fiber-based composite board which comprises a main finger joint board, main cotton yarn screen cloth is fixedly arranged on the upper surface and the lower surface of an inner cavity of the main finger joint board, a light fiber board is fixedly arranged between the two pieces of main cotton yarn screen cloth, an installation groove is formed in the main finger joint board, and the light fiber board is arranged in the installation groove. A secondary finger joint plate and secondary cotton yarn screen cloth are fixedly arranged in the mounting groove, and fireproof coating layers are fixedly arranged on the upper surface and the lower surface of the main finger joint plate. The shape of the finger joint board is changed, the main finger joint board layer is used for connecting the light fiber board layers through the main cotton yarn screen cloth layer, the main finger joint board can surround the upper face, the lower face, the left face and the right face of the fiber board, protection of a bottom kraft paper layer is replaced, and the protection effect on the fiber board is improved. And secondary cotton yarn screen cloth is arranged in the mounting grooves in the front and back surfaces and is used for connecting the fiberboard, the main cotton yarn screen cloth, the main finger joint board and the secondary finger joint board together, so that the front and back surfaces of the fiberboard are also protected by the finger joint boards.

Description

Technical Field

[0001] The utility model relates to the technical field of composite boards, in particular to a lightweight straw fiber-based composite board. Background Art

[0002] Lightweight straw fiber-based composite board is a special board material, which has the advantages of light weight, smooth surface, not easy to absorb moisture, not easy to deform, not easy to peel off, etc., and can be made into specific shapes, such as square, round and other irregular shapes. After painting, it can be directly used as a large-format office desk countertop, etc., and has broad market prospects.

[0003] The structure of a lightweight straw fiber-based composite board generally includes a finger-jointed board layer, a cotton mesh layer, a lightweight fiberboard layer and a protective layer, wherein the lightweight fiberboard layer is the core layer of the composite board and occupies most of the volume of the board. The lightweight fiberboard in the existing composite board is usually protected by a finger-jointed board layer on the top and a kraft paper layer on the bottom. The protective effect of the kraft paper layer is far less than that of the finger-jointed board layer, and there is no protective layer on the side of the fiberboard, which makes the lightweight fiberboard easy to be damaged, thereby affecting the overall strength of the board.

[0004] In order to solve the above problems, a lightweight straw fiber-based composite board is proposed in the present application. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a lightweight straw fiber-based composite board, including a main finger-jointed board, a main cotton yarn mesh is fixed on the upper and lower surfaces of the inner cavity of the main finger-jointed board, a lightweight fiberboard is fixed between the two main cotton yarn meshes, an installation groove is opened on the main finger-jointed board, a secondary finger-jointed board and a secondary cotton yarn mesh are fixed in the installation groove, and a fire retardant coating layer is fixed on the upper and lower surfaces of the main finger-jointed board.

[0006] Preferably, the length and width of the main cotton mesh cloth are equal to those of the lightweight fiberboard, and the left and right sides of the lightweight fiberboard are tightly fitted with the inner cavity side walls of the main finger-jointed plate.

[0007] Preferably, the secondary cotton mesh cloth is fixedly connected to the front and rear sides of the primary cotton mesh cloth and the lightweight fiberboard, the secondary finger-jointed plate is movably connected in the mounting groove, and one side of the secondary finger-jointed plate is fixedly connected to the secondary cotton mesh cloth.

[0008] Preferably, the length and width of the fire retardant coating layer are equal to the length and width of the main finger-jointed plate, and the sum of the widths of the secondary finger-jointed plate and the secondary cotton mesh cloth is equal to the width of the installation groove.

[0009] Preferably, the sum of the heights of the lightweight fiberboard and the two main cotton yarn meshes is equal to the height of the inner cavity of the main finger-jointed plate, and the thickness of the fire retardant coating layer is less than the thickness of the main cotton yarn meshes.

[0010] Preferably, the thickness of the secondary cotton mesh cloth is equal to the thickness of the primary cotton mesh cloth, the thickness of the upper and lower plates and the left and right plates of the main finger-jointed plate are equal, and the thickness of the secondary finger-jointed plate is equal to the thickness of the upper and lower plates of the main finger-jointed plate.

[0011] The above technical solution of the utility model has the following beneficial technical effects:

[0012] The utility model changes the shape of the finger-jointed board and connects the light fiberboard layer with the main finger-jointed board layer through the main cotton yarn mesh cloth layer, so that the main finger-jointed board can surround the upper, lower, left and right sides of the fiberboard, replacing the protection of the bottom kraft paper layer, thereby improving the protection effect on the fiberboard; and then the secondary cotton yarn mesh cloth is arranged in the front and back installation grooves to connect the fiberboard, the main cotton yarn mesh cloth, the main finger-jointed board and the secondary finger-jointed board together, so that the front and back sides of the fiberboard are also surrounded by the finger-jointed board, and the main and secondary finger-jointed boards can protect each side of the fiberboard, thereby preventing the fiberboard from being damaged and improving the overall strength and durability of the board; at the same time, the utility model has a fire-retardant coating layer coated on the surface of the finger-jointed board layer, which can form a dense fire-retardant layer on the surface of the board, thereby improving the fire resistance limit of the board. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the exploded structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 3 This is a side view of the structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model.

[0017] Reference numerals:

[0018] 1. Main finger-jointed board; 101. Installation groove; 102. Secondary finger-jointed board; 2. Main cotton yarn mesh cloth; 201. Secondary cotton yarn mesh cloth; 3. Light fiberboard; 4. Fire retardant coating layer. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0020] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0021] A lightweight straw fiber-based composite board provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0022] Embodiment 1:

[0023] Combination Figure 1-4 As shown, the utility model provides a lightweight straw fiber-based composite board, including a main finger-jointed board 1, a main cotton yarn mesh 2 is fixedly provided on the upper and lower surfaces of the inner cavity of the main finger-jointed board 1, a lightweight fiberboard 3 is fixedly provided between the two main cotton yarn meshes 2, a mounting groove 101 is opened on the main finger-jointed board 1, a secondary finger-jointed board 102 and a secondary cotton yarn mesh 201 are fixedly provided in the mounting groove 101, a fire retardant coating layer 4 is fixedly provided on the upper and lower surfaces of the main finger-jointed board 1, the length and width of the main cotton yarn mesh 2 are equal to the length and width of the lightweight fiberboard 3, the left and right sides of the lightweight fiberboard 3 are tightly fitted with the inner cavity side wall of the main finger-jointed board 1, and the secondary cotton yarn mesh 201 is fixedly connected to the front and rear sides of the main cotton yarn mesh 2 and the lightweight fiberboard 3 The secondary finger-jointed plate 102 is movably connected in the mounting groove 101, one side of the secondary finger-jointed plate 102 is fixedly connected to the secondary cotton mesh cloth 201, the length and width of the fire-retardant coating layer 4 are equal to the length and width of the main finger-jointed plate 1, the sum of the widths of the secondary finger-jointed plate 102 and the secondary cotton mesh cloth 201 is equal to the width of the mounting groove 101, the sum of the heights of the lightweight fiberboard 3 and the two main cotton mesh cloths 2 is equal to the height of the inner cavity of the main finger-jointed plate 1, the thickness of the fire-retardant coating layer 4 is less than the thickness of the main cotton mesh cloth 2, the thickness of the secondary cotton mesh cloth 201 is equal to the thickness of the main cotton mesh cloth 2, the thickness of the upper and lower plates and the left and right plates of the main finger-jointed plate 1 are equal, and the thickness of the secondary finger-jointed plate 102 is equal to the thickness of the upper and lower plates of the main finger-jointed plate 1.

[0024] Specifically, main cotton yarn mesh cloth 2 is fixedly connected to the upper and lower surfaces of the inner cavity of the main finger-jointed board 1, and a light fiberboard 3 is fixedly connected between the two main cotton yarn mesh cloths 2, so that the main cotton yarn mesh cloth 2 and the light fiberboard 3 are both located in the inner cavity of the main finger-jointed board 1, so that the main finger-jointed board 1 can replace the kraft paper layer to wrap the upper and lower surfaces of the light fiberboard 3, thereby playing a better protective and decorative role. The main finger-jointed board 1 can be made of various wood or wooden materials, has good appearance and wear resistance, and can protect the internal materials from the influence of the external environment, such as moisture, ultraviolet rays, etc. The cotton yarn mesh 2 can increase the strength and stability of the board, prevent the board from deforming or cracking when subjected to stress, and can also tightly bond the main finger-jointed board 1 and the main cotton yarn mesh 2 together through the adhesive infiltrated therein to form a whole. The lightweight fiberboard 3 is the core layer of the composite board, occupying most of the volume of the board. The lightweight fiberboard 3 is a mixture of straw fiber and other additives, formed after pressing and curing, and has good lightness, heat preservation, sound insulation and seismic resistance. The lightweight fiberboard 3 also determines the overall strength and durability of the board. The front and rear sides of the main fiberboard 3 are provided with mounting grooves 101, in which the secondary finger-jointed plate 102 and the secondary cotton mesh cloth 201 are fixedly connected, and the secondary cotton mesh cloth 201 is fixedly connected to the front and rear sides of the main cotton mesh cloth 2 and the lightweight fiberboard 3, and the secondary finger-jointed plate 102 is fixedly connected to the other side of the secondary cotton mesh cloth 201, and the sum of the widths of the secondary finger-jointed plate 102 and the secondary cotton mesh cloth 201 is equal to the width of the mounting groove 101, so that after the secondary finger-jointed plate 102 and the secondary cotton mesh cloth 201 are connected to the mounting groove 101, the outer side surface of the secondary finger-jointed plate 102 can be aligned with the front and rear sides of the main finger-jointed plate 1 The left and right sides are on the same horizontal plane. At the same time, the secondary cotton mesh cloth 201 can connect the secondary finger-jointed board 102 to the front and back of the lightweight fiberboard 3, thereby cooperating with the main finger-jointed board 1 to surround all surfaces of the lightweight fiberboard 3 and remove the kraft paper layer at the bottom, thereby playing a better protective role. The upper and lower surfaces of the main finger-jointed board 1 are coated with a fire-retardant coating layer 4. The fire-retardant coating layer 4 is made of water-based fire-retardant coating, which is environmentally friendly, non-toxic and odorless. It can form a dense fire-retardant layer on the surface of the board, improve the fire resistance limit of the board, and is suitable for interior decoration, furniture and other occasions.

[0025] The working principle and use process of the utility model are as follows: first, the main cotton yarn mesh cloth 2 is fixedly connected to the upper and lower surfaces of the inner cavity of the main finger-jointed plate 1, and the lightweight fiberboard 3 is fixedly connected to the middle of the main cotton yarn mesh cloth 2, so that the main finger-jointed plate 1 and the lightweight fiberboard 3 are connected together through the main cotton yarn mesh cloth 2, and then the secondary cotton yarn mesh cloth 201 is connected to the front and rear sides of the lightweight fiberboard 3, and the secondary finger-jointed plate 102 is inserted into the installation groove 101, so that the secondary finger-jointed plate 102 and one side of the secondary cotton yarn mesh cloth 201 are connected together, so that the secondary finger-jointed plate 102 and the lightweight fiberboard 3 are connected together through the secondary cotton yarn mesh cloth 201. After the installation is completed, the main finger-jointed plate 1 and the secondary finger-jointed plate 102 will surround all surfaces of the lightweight fiberboard 3, which plays a better protective and decorative role. Finally, a fire retardant coating layer 4 is coated on the surface of the main finger-jointed plate 1 to enhance the fire resistance of the plate and provide a fireproof function.

[0026] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A lightweight straw fiber-based composite board, comprising a main finger-jointed board (1), characterized in that: A main cotton yarn mesh (2) is fixedly provided on the upper and lower surfaces of the inner cavity of the main finger-jointed plate (1), a lightweight fiberboard (3) is fixedly provided between the two main cotton yarn meshes (2), a mounting groove (101) is provided on the main finger-jointed plate (1), a secondary finger-jointed plate (102) and a secondary cotton yarn mesh (201) are fixedly provided in the mounting groove (101), and a fire retardant coating layer (4) is fixedly provided on the upper and lower surfaces of the main finger-jointed plate (1).

2. A lightweight straw fiber-based composite board according to claim 1, characterized in that: The length and width of the main cotton yarn mesh cloth (2) are equal to the length and width of the lightweight fiberboard (3), and the left and right sides of the lightweight fiberboard (3) are tightly fitted to the inner cavity side walls of the main finger-jointed board (1).

3. The lightweight straw fiber-based composite board according to claim 1, characterized in that: The secondary cotton mesh cloth (201) is fixedly connected to the front and rear sides of the primary cotton mesh cloth (2) and the lightweight fiberboard (3); the secondary finger-jointed plate (102) is movably connected in the mounting groove (101); and one side of the secondary finger-jointed plate (102) is fixedly connected to the secondary cotton mesh cloth (201).

4. The lightweight straw fiber-based composite board according to claim 1, characterized in that: The length and width of the fireproof coating layer (4) are equal to the length and width of the main finger-jointed plate (1), and the sum of the widths of the secondary finger-jointed plate (102) and the secondary cotton yarn mesh cloth (201) is equal to the width of the installation groove (101).

5. The lightweight straw fiber-based composite board according to claim 1, characterized in that: The sum of the heights of the lightweight fiberboard (3) and the two main cotton yarn mesh cloths (2) is equal to the height of the inner cavity of the main finger-jointed board (1), and the thickness of the fire-retardant coating layer (4) is less than the thickness of the main cotton yarn mesh cloths (2).

6. The lightweight straw fiber-based composite board according to claim 1, characterized in that: The thickness of the secondary cotton mesh cloth (201) is equal to the thickness of the primary cotton mesh cloth (2), the thickness of the upper and lower plates and the left and right plates of the primary finger-jointed plate (1) are equal, and the thickness of the secondary finger-jointed plate (102) is equal to the thickness of the upper and lower plates of the primary finger-jointed plate (1).

Images