CN210283516U

CN210283516U - Flame-retardant wood-plastic composite board

Info

Publication number: CN210283516U
Application number: CN201921192237.9U
Authority: CN
Inventors: 宋梦; 刘安斐
Original assignee: Zhongyuan University of Technology
Current assignee: Zhongyuan University of Technology
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-10
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a compound material board is moulded to fire-retardant type wood, mould planking and wood and mould the inner panel including moulding wood, it is equipped with connecting plate one to mould the planking right side, a connecting plate terminal surface is equipped with the connecting strip, it is equipped with connecting plate two to mould inner panel left side, two up ends of connecting plate are equipped with the spread groove, the spread groove is connected with the connecting strip cooperation, the lower terminal surface of moulding wood the planking is equipped with recess one, the up end of moulding wood the inner panel is equipped with recess two, the position of recess one and recess two corresponds, be equipped with the fire-retardant resin board in recess one and the recess two, be equipped with on the fire-retardant resin board and place the hole, it is equipped with the dry powder to place the downthehole, it moulds the planking to mould wood, mould wood the inner panel and be. The utility model has the advantages that: simple structure, convenient production, good flame retardant effect and convenient use.

Description

Flame-retardant wood-plastic composite board

Technical Field

The utility model relates to a wood plastic composite board technical field specifically indicates a compound material board is moulded to fire-retardant type wood.

Background

The wood-plastic composite material is a novel composite material which is briskly developed in recent years at home and abroad, and is a plate or a section which is produced by mixing polyethylene, polypropylene, polyvinyl chloride and the like instead of a common resin adhesive with more than 50 percent of waste plant fibers such as wood flour, rice husks, straws and the like to form a new wood material, and then carrying out plastic processing processes such as extrusion, mould pressing, injection molding and the like. The material has wide source, good processing performance, good strength performance, excellent adjustability and good water resistance and corrosion resistance.

Some existing wood-plastic composite plates are coated with flame-retardant coatings for improving the flame-retardant effect, the flame-retardant effect is poor by the method, and the other wood-plastic composite plates which realize the flame-retardant effect by adding electronic elements such as a smoke alarm, a temperature sensor and the like have complex structures, high manufacturing cost, inconvenience in production and separation from social requirements.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is defect in above-mentioned traditional wood-plastic composite plate structure and function, provide a simple structure, convenient production, flame retardant efficiency is good, convenient to use's a fire-retardant type wood-plastic composite board.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a compound material board is moulded to fire-retardant type wood, moulds the planking and wood the inner panel including moulding wood, it is equipped with connecting plate one to mould the planking right side, a connecting plate terminal surface is equipped with the connecting strip, it is equipped with connecting plate two to mould inner panel left side, two up ends of connecting plate are equipped with the spread groove, the spread groove is connected with the connecting strip cooperation, the lower terminal surface of moulding wood the planking is equipped with recess one, the up end of moulding wood the inner panel is equipped with recess two, the position of recess one and recess two corresponds, be equipped with fire-retardant resin board in recess one and the recess two, be equipped with on the fire-retardant resin board and place the hole, place the downthehole dry powder that is equipped with, it moulds the locating hole to mould wood the planking, mould wood the.

Compared with the prior art, the utility model the advantage lie in: the flame-retardant wood-plastic composite plate mainly comprises a wood-plastic outer plate, a wood-plastic inner plate and a flame-retardant resin plate, and is simple in structure, low in manufacturing cost and convenient to produce; the fire-retardant resin board can slow down or prevent the burning, it is equipped with the dry powder to place downthehole on the fire-retardant resin board, the volatile decomposition thing of inorganic salt wherein is passed through to the dry powder, take place chemical inhibition and side catalysis with produced free radical of burning in-process fuel or active group, the chain reaction that makes the burning is interrupted and is put out a fire, or the powder of dry powder falls outside combustible substance surface, take place chemical reaction, and form one deck glass form overburden under the high temperature effect, thereby separate oxygen, and then stifle and put out a fire, make this wood-plastic flame retardant type composite board have fabulous fire retardance.

As an improvement, a lower end face groove is formed in the lower end face of the wood-plastic inner plate, and the length of the lower end face groove is consistent with that of the wood-plastic inner plate.

As an improvement, the wood-plastic outer plate and the wood-plastic inner plate are bonded through glue.

As an improvement, the number of the positioning holes is at least four, and the positioning holes are positioned on the front side and the rear side of the upper end face of the wood-plastic outer plate.

As an improvement, the number of the placing holes and the lower end face grooves is positively correlated with the width of the wood-plastic outer plate and the width of the wood-plastic inner plate.

Drawings

Fig. 1 is a cross-sectional view of the flame-retardant wood-plastic composite board of the utility model.

Fig. 2 is a top view of the flame-retardant wood-plastic composite board of the utility model.

Fig. 3 is a bottom view of the flame-retardant wood-plastic composite board of the utility model.

Fig. 4 is a bottom view of the wood-plastic outer plate of the flame-retardant wood-plastic composite plate of the utility model.

Fig. 5 is a top view of the wood-plastic inner plate of the flame-retardant wood-plastic composite board of the utility model.

As shown in the figure: 1. wood-plastic outer plate, 2 wood-plastic inner plate, 3, connecting plate I, 4, connecting strip, 5, connecting plate II, 6, connecting groove, 7, groove I, 8, groove II, 9, flame-retardant resin plate, 10, placing hole, 11, dry powder, 12, locating hole, 13, bolt, 14, lower end face groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With the attached drawings, the flame-retardant wood-plastic composite board comprises a wood-plastic outer board 1 and a wood-plastic inner board 2, wherein a first connecting board 3 is arranged on the right side of the wood-plastic outer board 1, a connecting strip 4 is arranged on the lower end face of the first connecting board 3, a second connecting board 5 is arranged on the left side of the wood-plastic inner board 2, a connecting groove 6 is arranged on the upper end face of the second connecting board 5, the connecting groove 6 is connected with the connecting strip 4 in a matching manner, a first groove 7 is arranged on the lower end face of the wood-plastic outer board 1, a second groove 8 is arranged on the upper end face of the wood-plastic inner board 2, the first groove 7 corresponds to the second groove 8 in position, flame-retardant resin boards 9 are arranged in the first groove 7 and the second groove 8, a placing hole 10 is arranged on the flame-retardant resin boards 9, dry powder 11 is, the bolt 13 is connected with the wood-plastic outer plate 1, the wood-plastic inner plate 2 and the flame-retardant resin plate 9.

The lower end face of the wood-plastic inner plate 2 is provided with a lower end face groove 14, the length of the lower end face groove 14 is consistent with that of the wood-plastic inner plate 2, and the lower end face groove 14 facilitates connection of the wood-plastic inner plate 2 with the ground or a wall.

The wood-plastic outer plate 1 and the wood-plastic inner plate 2 are bonded through glue, and the connection tightness of the wood-plastic outer plate 1 and the wood-plastic inner plate 2 is guaranteed.

The number of the positioning holes 12 is at least four, and the positioning holes are positioned on the front side and the rear side of the upper end face of the wood-plastic outer plate 1, so that the wood-plastic outer plate 1, the wood-plastic inner plate 2 and the flame-retardant resin plate 9 are connected more stably.

The number of the placing holes 10 and the lower end face grooves 14 is positively correlated with the width of the wood-plastic outer plate 1 and the width of the wood-plastic inner plate 2, the wood-plastic outer plate 1 and the wood-plastic inner plate 2 are wider, the number of the placing holes 10 and the grooves 14 is larger, and the flame-retardant effect and the connectability are guaranteed.

The utility model discloses a theory of operation: when the flame-retardant wood-plastic composite board is used, the lower end face of the wood-plastic inner board is in contact with the ground, the wall or other fixing surfaces, and when glue is used for fixing, the grooves on the lower end face increase the connectivity. When the two flame-retardant wood-plastic composite plates are connected, the connecting strip on the first connecting plate on the right side of the wood-plastic outer plate is connected with the connecting groove on the second connecting plate on the left side of the wood-plastic inner plate in a matched mode. When a fire disaster occurs, the wood-plastic outer plate burns, the fire burns to the flame-retardant resin plate, the flame-retardant resin plate slows down or prevents burning, meanwhile, dry powder is arranged in a placing hole in the flame-retardant resin plate, the dry powder passes through volatile decomposers of inorganic salt in the dry powder, and chemical inhibition and side catalysis occur on free radicals or active groups generated by fuel in the burning process, so that the burning chain reaction is interrupted to extinguish the fire, or the powder of the dry powder falls out of the surface of a combustible object, so that chemical reaction occurs, and a layer of glass-shaped covering layer is formed under the high-temperature action, thereby isolating oxygen, and further extinguishing the fire by suffocation.

The present invention has been described in connection with the embodiments thereof, and the description is not intended to be limiting, and the embodiments shown in the drawings are only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a fire-retardant type wood-plastic composite board, planking (1) and wood-plastic inner panel (2) are moulded including wood, its characterized in that: the wood-plastic composite board is characterized in that a first connecting plate (3) is arranged on the right side of the wood-plastic outer board (1), a connecting strip (4) is arranged on the lower end face of the first connecting plate (3), a second connecting plate (5) is arranged on the left side of the wood-plastic inner board (2), a connecting groove (6) is arranged on the upper end face of the second connecting plate (5), the connecting groove (6) is connected with the connecting strip (4) in a matching manner, a first groove (7) is arranged on the lower end face of the wood-plastic outer board (1), a second groove (8) is arranged on the upper end face of the wood-plastic inner board (2), the first groove (7) corresponds to the second groove (8), a flame-retardant resin board (9) is arranged in the first groove (7) and the second groove (8), a placing hole (10) is formed in the flame-retardant resin board (9), dry powder (11) is arranged in the placing hole, and bolts (13) are arranged in the positioning holes (12), and the bolts (13) are connected with the wood-plastic outer plate (1), the wood-plastic inner plate (2) and the flame-retardant resin plate (9).

2. The flame-retardant wood-plastic composite board according to claim 1, characterized in that: the lower end face of the wood-plastic inner plate (2) is provided with a lower end face groove (14), and the length of the lower end face groove (14) is consistent with that of the wood-plastic inner plate (2).

3. The flame-retardant wood-plastic composite board according to claim 1, characterized in that: the wood-plastic outer plate (1) and the wood-plastic inner plate (2) are bonded through glue.

4. The flame-retardant wood-plastic composite board according to claim 1, characterized in that: the number of the positioning holes (12) is at least four, and the positioning holes are positioned on the front side and the rear side of the upper end face of the wood-plastic outer plate (1).

5. The flame-retardant wood-plastic composite board according to claim 1, characterized in that: the number of the placing holes (10) and the lower end face grooves (14) is positively correlated with the width of the wood-plastic outer plate (1) and the width of the wood-plastic inner plate (2).