Fire-resistant environment-friendly plywood

Abstract

The utility model discloses a fire-resistant environment-friendly plywood which comprises a plywood body, the plywood body is composed of an upper plate, a core plate and a lower plate, first glue is smeared between the upper plate and the core plate, the upper plate is connected with the core plate in a gluing mode through the first glue, and second glue is smeared between the core plate and the lower plate. The top end of the upper plate is coated with an environment-friendly paint layer, a first protection plate is arranged in the portion, below the environment-friendly paint layer, of the upper plate, the portion, below the first protection plate, of the upper plate is filled with a willow plate core, and a reinforcing net is arranged in the portion, below the willow plate core, of the upper plate. According to the fireproof environment-friendly plywood, the excellent corrosion resistance and the structural connection strength of the fireproof environment-friendly plywood are achieved, the compressive strength and the fireproof and flame-retardant performance of the plywood are improved, the environment-friendly effect of the plywood is improved, and the service life of the plywood is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of plywood, in particular to a fire-resistant and environment-friendly plywood. Background Art

[0002] Plywood is a three-layer or multi-layer plate-like material made by peeling wood segments into veneers or planing wood blocks into thin wood, and then gluing them together with adhesive. Usually, an odd number of veneers are used, and the fibers of adjacent layers are glued together at right angles to each other. Plywood is one of the commonly used materials for furniture and one of the three major types of man-made panels. It can also be used as material for airplanes, ships, trains, cars, buildings, and packaging boxes. A group of veneers are usually assembled and glued together with adjacent layers of wood grain in directions that are perpendicular to each other. Usually, the surface panels and inner layers are symmetrically arranged on both sides of the center layer or core.

[0003] For example, a fire-resistant and environmentally friendly plywood disclosed in the authorization announcement number CN219748334U includes a core board, a flame-retardant board and a lower board, the top of the core board is fixed with a protective structure, the top of the protective structure is fixed with a flame-retardant board, the bottom of the core board is fixed with a lower board, a reinforcement structure is fixed below the lower board, and both sides of the core board are fixed with a splicing structure;

[0004] Although it realizes the function of facilitating splicing of the plywood, thereby improving the convenience of the fire-resistant and environmentally friendly plywood when in use, it does not solve the problem that the existing plywood is not conducive to excellent corrosion resistance and structural connection strength when in use, affects the compressive strength and fire retardant properties of the plywood, greatly affects the environmental protection effect of the plywood, and affects the service life of the plywood. Utility Model Content

[0005] The purpose of the utility model is to provide a fire-resistant and environmentally friendly plywood to solve the problems mentioned in the above background technology that the plywood is not convenient for excellent corrosion resistance and structural connection strength, which affects the compressive strength and fire retardant performance of the plywood, affects the environmental protection effect of the plywood, and affects the service life of the plywood.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire-resistant and environmentally friendly plywood, comprising a plywood body, the plywood body consisting of an upper plate, a core plate, and a lower plate, a first glue is applied between the upper plate and the core plate, and the upper plate is glued and connected to the core plate through the first glue, a second glue is applied between the core plate and the lower plate, and the core plate is glued and connected to the lower plate through the second glue, and the top of the upper plate is coated with an environmentally friendly paint layer.

[0007] Preferably, a first protective plate is provided inside the upper plate below the environmentally friendly paint layer, and the interior of the upper plate below the first protective plate is filled with a willow wood board core.

[0008] Preferably, a reinforcing mesh is provided inside the upper board below the willow wood board core, and a first fire-resistant coating is applied to the top of the core board below the reinforcing mesh.

[0009] Preferably, the bottom end of the upper plate above the core plate is coated with a first waterproof coating, and the interior of the core plate is filled with a flame retardant and fire extinguishing agent layer.

[0010] Preferably, a bamboo fiberboard is arranged inside the core board above the flame retardant and fire extinguishing agent layer, and a nylon fiberboard is arranged inside the core board below the flame retardant and fire extinguishing agent layer.

[0011] Preferably, the bottom end of the core plate is coated with a second waterproof coating, and the top end of the lower plate below the second waterproof coating is coated with a second fire-resistant coating.

[0012] Preferably, the interior of the lower plate is filled with a fir board core, and the bottom end of the lower plate is coated with a third waterproof coating.

[0013] Preferably, a second protective plate is provided inside the lower plate above the fir board core, and reinforcing ribs are provided inside the lower plate below the fir board core.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the plywood not only achieves the excellent corrosion resistance and structural connection strength of the fire-resistant and environmentally friendly plywood, improves the compressive strength and fire retardant properties of the plywood, but also improves the environmental protection effect of the plywood and extends the service life of the plywood. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a front view structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional explosion structure of the first refractory coating of the utility model;

[0018] Figure 4 This is a schematic diagram of the three-dimensional explosion structure of the willow wood core of the utility model;

[0019] Figure 5 It is a schematic diagram of the three-dimensional explosion structure of the first waterproof coating of the utility model.

[0020] In the figure: 1. plywood body; 2. upper board; 3. core board; 4. lower board; 5. first protective board; 6. reinforcement mesh; 7. bamboo fiberboard; 8. nylon fiberboard; 9. second protective board; 10. reinforcing ribs; 11. environmentally friendly paint layer; 12. first fire-resistant coating; 13. second fire-resistant coating; 14. first waterproof coating; 15. second waterproof coating; 16. third waterproof coating; 17. first glue; 18. second glue; 19. willow board core; 20. flame retardant and fire extinguishing agent layer; 21. fir board core. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: a fire-resistant and environmentally friendly plywood, including a plywood body 1, the plywood body 1 is composed of an upper plate 2, a core plate 3, and a lower plate 4, a first glue 17 is applied between the upper plate 2 and the core plate 3, and the upper plate 2 is glued and connected to the core plate 3 through the first glue 17, a second glue 18 is applied between the core plate 3 and the lower plate 4, and the core plate 3 is glued and connected to the lower plate 4 through the second glue 18, the top of the upper plate 2 is coated with an environmentally friendly paint layer 11, a first protective plate 5 is arranged inside the upper plate 2 below the environmentally friendly paint layer 11, a willow board core 19 is filled inside the upper plate 2 below the first protective plate 5, a reinforcement net 6 is arranged inside the upper plate 2 below the willow board core 19, and a first fire-resistant coating 12 is applied to the top of the core plate 3 below the reinforcement net 6;

[0023] When in use, firstly, the first glue 17 is applied to the bottom end of the upper plate 2, and the second glue 18 is applied to the bottom end of the core plate 3, so as to facilitate the upper plate 2, the core plate 3, and the lower plate 4 to be glued and fixed by the first glue 17 and the second glue 18. The first glue 17 and the second glue 18 are the same environmentally friendly glue. By filling the willow wood core 19 into the interior of the upper plate 2, the willow wood core 19 is environmentally friendly solid wood, and the first protective plate 5 plays a protective role on the upper plate 2 as a whole. The material of the reinforcement net 6 is a composite metal net, so as to facilitate increasing the overall stability of the upper plate 2. The environmentally friendly paint layer 11 is used to increase the corrosion resistance of the upper plate 2, so as to achieve the excellent corrosion resistance and structural connection strength of the fire-resistant and environmentally friendly plywood, and improve the compressive strength of the plywood.

[0024] The bottom end of the upper plate 2 above the core plate 3 is coated with a first waterproof coating 14, the interior of the core plate 3 is filled with a flame retardant fire extinguishing agent layer 20, the interior of the core plate 3 above the flame retardant fire extinguishing agent layer 20 is provided with a bamboo fiberboard 7, the interior of the core plate 3 below the flame retardant fire extinguishing agent layer 20 is provided with a nylon fiberboard 8, the bottom end of the core plate 3 is coated with a second waterproof coating 15, the top of the lower plate 4 below the second waterproof coating 15 is coated with a second fire-resistant coating 13, the interior of the lower plate 4 is filled with a fir board core 21, the bottom end of the lower plate 4 is coated with a third waterproof coating 16, the interior of the lower plate 4 above the fir board core 21 is provided with a second protective plate 9, and the interior of the lower plate 4 below the fir board core 21 is provided with a reinforcing rib 10;

[0025] When in use, the flame retardant and fire extinguishing agent layer 20 is filled into the interior of the core board 3, and the flame retardant and fire extinguishing agent layer 20 plays a role in fire retardancy for the core board 3. The top of the core board 3 is coated with a first fire resistant coating 12, and the first fire resistant coating 12 plays a secondary fire retardancy role for the core board 3. The bottom of the core board 3 is coated with a second waterproof coating 15, and the second waterproof coating 15 plays a role in waterproofing and anti-corrosion. The bamboo fiberboard 7 increases the antibacterial and antibacterial effect of the core board 3, and the nylon fiberboard 8 increases the flexibility and tension of the core board 3 to prevent the board from cracking due to excessive pressure. The fir board core 21 has the advantages of environmental protection, regulating indoor temperature and humidity. The second protective plate 9 protects the lower plate 4 as a whole, the reinforcing ribs 10 strengthen and fix the structure of the lower plate 4, the second fire-resistant coating 13 and the third waterproof coating 16 applied on the top and bottom ends of the lower plate 4 have flame retardant, waterproof and corrosion resistant effects on the lower plate 4, the first waterproof coating 14, the second waterproof coating 15, and the third waterproof coating 16 are the same waterproof coating, and the first fire-resistant coating 12 and the second fire-resistant coating 13 are the same fire-resistant coating, which realizes the excellent fire retardant performance of the fire-resistant and environmentally friendly plywood, improves the environmental protection effect of the plywood, and prolongs the service life of the plywood.

[0026] Working principle: When in use, first apply the first glue 17 to the bottom end of the upper plate 2, and apply the second glue 18 to the bottom end of the core plate 3, so as to facilitate the upper plate 2, the core plate 3, and the lower plate 4 to be glued and fixed by the first glue 17 and the second glue 18. The first glue 17 and the second glue 18 are the same environmentally friendly glue. The willow board core 19 is filled into the interior of the upper plate 2. The willow board core 19 is environmentally friendly solid wood. The first protective plate 5 protects the upper plate 2 as a whole. The material of the reinforcement net 6 is a composite metal net to increase the overall stability of the upper plate 2. The environmentally friendly paint layer 11 increases the corrosion resistance of the upper plate 2. Then, the flame retardant fire extinguishing agent layer 20 is filled into the interior of the core plate 3. The flame retardant fire extinguishing agent layer 20 has a fire retardant effect on the core plate 3. The top of the core plate 3 is coated with a first fire resistant coating 12. The first fire resistant coating 12 protects the core plate 3 Secondary fireproofing effect: the bottom end of the core board 3 is coated with a second waterproof coating 15, which plays a role of waterproofing and anti-corrosion. The bamboo fiberboard 7 increases the antibacterial and antibacterial effect of the core board 3. The nylon fiberboard 8 increases the flexibility and tension of the core board 3 to prevent the board from cracking due to excessive pressure. The fir board core 21 is environmentally friendly and can regulate indoor temperature and humidity. The second protective plate 9 protects the lower board 4 as a whole. The reinforcing ribs 10 strengthen and fix the structure of the lower board 4. The second fire-resistant coating 13 and the third waterproof coating 16 coated on the top and bottom of the lower board 4 play a role of flame retardancy, waterproofness and corrosion resistance for the lower board 4. The first waterproof coating 14, the second waterproof coating 15, and the third waterproof coating 16 are the same waterproof coating, and the first fire-resistant coating 12 and the second fire-resistant coating 13 are the same fire-resistant coating to complete the use of the plywood.

Claims

1. A fire-resistant and environment-friendly plywood, comprising a plywood body (1), characterized in that: The plywood body (1) is composed of an upper plate (2), a core plate (3), and a lower plate (4); a first glue (17) is applied between the upper plate (2) and the core plate (3), and the upper plate (2) is glued and connected to the core plate (3) through the first glue (17); a second glue (18) is applied between the core plate (3) and the lower plate (4), and the core plate (3) is glued and connected to the lower plate (4) through the second glue (18); and the top of the upper plate (2) is coated with an environmentally friendly paint layer (11).

2. The fire-resistant and environment-friendly plywood according to claim 1, characterized in that: A first protective plate (5) is arranged inside the upper plate (2) below the environmentally friendly paint layer (11), and a willow wood board core (19) is filled inside the upper plate (2) below the first protective plate (5).

3. The fire-resistant and environment-friendly plywood according to claim 2, characterized in that: A reinforcing mesh (6) is arranged inside the upper board (2) below the willow board core (19), and a first fire-resistant coating (12) is applied to the top of the core board (3) below the reinforcing mesh (6).

4. The fire-resistant and environment-friendly plywood according to claim 1, characterized in that: The bottom end of the upper plate (2) above the core plate (3) is coated with a first waterproof coating (14), and the interior of the core plate (3) is filled with a flame retardant and fire extinguishing agent layer (20).

5. The fire-resistant and environment-friendly plywood according to claim 4, characterized in that: A bamboo fiberboard (7) is arranged inside the core board (3) above the flame retardant and fire extinguishing agent layer (20), and a nylon fiberboard (8) is arranged inside the core board (3) below the flame retardant and fire extinguishing agent layer (20).

6. The fire-resistant and environment-friendly plywood according to claim 1, characterized in that: The bottom end of the core plate (3) is coated with a second waterproof coating (15), and the top end of the lower plate (4) below the second waterproof coating (15) is coated with a second fire-resistant coating (13).

7. The fire-resistant and environment-friendly plywood according to claim 1, characterized in that: The interior of the lower board (4) is filled with a fir board core (21), and the bottom end of the lower board (4) is coated with a third waterproof coating (16).

8. The fire-resistant and environment-friendly plywood according to claim 7, characterized in that: A second protective plate (9) is arranged inside the lower plate (4) above the fir board core (21), and a reinforcing rib (10) is arranged inside the lower plate (4) below the fir board core (21).

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