CN215882861U

CN215882861U - High-strength composite multilayer board

Info

Publication number: CN215882861U
Application number: CN202121863094.7U
Authority: CN
Inventors: 陈菊明
Original assignee: Guangxi Beihai Hanxin Wood Technology Co ltd
Current assignee: Guangxi Beihai Hanxin Wood Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-02-22
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the technical field of composite boards, in particular to a high-strength composite multilayer board which comprises a panel layer, a core board layer and a back board layer which are sequentially bonded and connected, wherein the core board layer comprises a first eucalyptus layer, a second eucalyptus layer, a third eucalyptus layer and a fourth eucalyptus layer which are sequentially bonded and connected from top to bottom; meanwhile, the third mesh fabric layers and the fourth mesh fabric layers on the two sides are arranged to increase the connection strength between the chip layers, and gaps generated by the wood boards after the chip layers expand with heat and contract with cold are reduced, so that the strength of the composite board is improved.

Description

High-strength composite multilayer board

Technical Field

The utility model relates to the technical field of composite boards, and relates to a high-strength composite multilayer board.

Background

The composite board produced at present is formed by bonding a plurality of layers of veneer through glue, then carrying out hot-pressing drying, then cutting and polishing, and finally painting. The composite board has low structural strength, and is easy to crack and delaminate after being used for a period of bearing pressure, thereby causing potential safety hazard. The composite board in the prior art has the problems of low strength and low durability. In order to solve the defects in the prior art, a high-strength composite multilayer board with a simple structure and a good using effect needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-strength composite multilayer board for solving the problems in the prior art.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a compound multiply wood of high strength includes panel layer, core plate layer, the back plate layer of bonding connection in proper order, the core layer is from last to including bonding connection's first eucalyptus layer, second eucalyptus layer, third eucalyptus layer and fourth eucalyptus layer down in proper order, the panel layer with it has first screen cloth layer to bond between the first eucalyptus layer, fourth eucalyptus layer with it has the second screen cloth layer to bond between the back plate layer, core layer left side is equipped with splice groove one, be equipped with the third screen cloth layer in the splice groove one, core plate layer right side is equipped with splice groove two, be equipped with the fourth screen cloth layer in the splice groove two, be equipped with the concatenation head in the splice groove one.

The improved eucalyptus stick is characterized in that a first clamping joint is arranged on the first eucalyptus layer, a first clamping joint groove is formed in the second eucalyptus layer, the first clamping joint is connected with the first clamping joint groove in a clamped mode, a second clamping joint groove is formed in the third eucalyptus layer, a second clamping joint is formed in the fourth eucalyptus layer, and the second clamping joint groove is connected with the second clamping joint groove in a clamped mode.

The improved structure of the eucalyptus cloth comprises a first net cloth layer, a second net cloth layer, a fourth net cloth layer and a third net cloth layer, wherein two sets of symmetrical screws are arranged in the first net cloth layer, the first net cloth layer is fixedly connected with the first screws, the second net cloth layer is internally provided with two sets of symmetrical screws, the fourth net cloth layer is fixedly connected with the fourth screws, the third net cloth layer is internally provided with two sets of symmetrical screws, the third net cloth layer is fixedly connected with the second eucalyptus layer and the third eucalyptus layer, the fourth net cloth layer is internally provided with two sets of symmetrical screws, and the fourth screws are fixedly connected with the second eucalyptus layer and the third eucalyptus layer.

In a further improvement, the first, second, third and fourth scrim layers are chemical fiber materials.

In a further improvement, a waterproof layer is bonded at the lower end of the back plate layer, and the thickness of the waterproof layer is 0.2-0.3 mm.

Compared with the prior art, the high-strength composite multilayer board increases the transverse tension of the composite board through the first mesh cloth layer arranged between the panel layer and the core layer and the second mesh cloth layer arranged between the core layer and the back plate layer, improves the bending resistance of the board, is not easy to deform after the board is bent, increases the rebound force to enable the board to quickly rebound to an initial state, improves the strength of the composite board, reduces the number of the arranged core layer layers, and further reduces the use cost; meanwhile, the third mesh fabric layers and the fourth mesh fabric layers on the two sides are arranged to increase the connection strength between the chip layers, vertical tensile force is improved, gaps generated by the wood boards after the chip layers expand with heat and contract with cold are reduced, and the strength of the composite board is further improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic view of a partial structure of the present invention

In the figure, 1-panel layer, 2-core plate layer, 21-first eucalyptus layer, 211-first clamping joint, 22-second eucalyptus layer, 221-first clamping groove, 23-third eucalyptus layer, 231-second clamping groove, 24-fourth eucalyptus layer, 241-second clamping joint, 25-first splicing groove, 26-second splicing groove, 3-back plate layer, 4-first net cloth layer, 41-first screw, 5-second net cloth layer, 51-second screw, 6-third net cloth layer, 61-third screw, 7-fourth net cloth layer, 71-fourth screw, 8-splicing joint and 9-waterproof layer.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solution of the present invention is further described below with reference to the following embodiments and accompanying drawings 1-2.

Example 1

The utility model provides a compound multiply wood of high strength, includes bonding connection's panel layer 1, core layer 2, backsheet layer 3 in proper order, core layer 2 is from last to down including bonding connection's first eucalyptus layer 21, second eucalyptus layer 22, third eucalyptus layer 23 and fourth eucalyptus layer 24 in proper order, panel layer 1 with it has first screen cloth layer 4 to bond between the first eucalyptus layer 21, fourth eucalyptus layer 24 with it has second screen cloth layer 5 to bond between

backsheet layer

3, 2 left sides on core layer are equipped with splice groove one 25, be equipped with third screen cloth layer 6 in splice groove one 25, 2 right sides on core layer are equipped with splice groove two 26, be equipped with fourth screen cloth layer 7 in splice groove two 26, be equipped with splice head 8 in splice groove one 25.

As shown in fig. 1, panel layer 1 and backsheet layer 3 are made for the wood material, first eucalyptus layer 21, second eucalyptus layer 22, third eucalyptus layer 23 and fourth eucalyptus layer 24 be the eucalyptus material and make, from last panel layer 1, first guick layer 4, first eucalyptus layer 21, second eucalyptus layer 22, third eucalyptus layer 23, fourth eucalyptus layer 24, second guick layer 5 and backsheet layer 3 with this adhesive connection down, be located the equal adhesive connection of third guick layer 6 and fourth guick layer 7 of the core layer 2 left and right sides, splice head 8 card goes into left side splice groove 25 in back adhesive connection core layer 2 left side for another piece of compound multiply wood of concatenation.

Through the first mesh cloth layer 4 arranged between the panel layer 1 and the core layer 2 and the second mesh cloth layer 5 arranged between the core layer 2 and the back plate layer 3, the transverse tension of the composite board is increased, the bending resistance of the board is improved, the board is not easy to deform after being bent, the rebound force is increased to enable the board to quickly rebound to an initial state, the strength of the composite board is improved, the number of layers of the core layer 2 is reduced, and the use cost is further reduced; simultaneously the third screen cloth layer 6 and the fourth screen cloth layer 7 of both sides set up the joint strength who increases between the chip layer 2, improve vertical pulling force, reduce the clearance that plank produced behind the chip layer 2 expend with heat and contract with cold, further improve composite sheet intensity. The product is mainly suitable for the industries of furniture industry, vehicle floor industry, sofa accessories and the like.

As a further preferred embodiment, be equipped with joint first 211 on the first eucalyptus layer 21, be equipped with joint groove first 221 on the second eucalyptus layer 22, joint first 211 is connected with joint groove first 221 joint, be equipped with joint groove two 231 on the third eucalyptus layer 23, be equipped with joint second 241 on the fourth eucalyptus layer 24, joint groove two 231 is connected with the joint of joint 241 joint. As shown in fig. 2, first eucalyptus layer 21 and second eucalyptus layer 22 are connected with fourth eucalyptus layer 24 joint, increase the frictional force between each layer of chip layer 2, improve chip layer 2 bulk strength, and then improve whole composite sheet intensity.

As a further preferred embodiment, two sets of first screws 41 symmetrically arranged are arranged in the first scrim layer 4, the first screws 41 are fixedly connected with the first eucalyptus layer 21, two sets of second screws 51 symmetrically arranged are arranged in the second scrim layer 5, the second screws 51 are fixedly connected with the fourth eucalyptus layer 24, two sets of third screws 61 symmetrically arranged are arranged in the third scrim layer 6, the third screws 61 are fixedly connected with the second eucalyptus layer 22 and the third eucalyptus layer 23, two sets of fourth screws 71 symmetrically arranged are arranged in the fourth scrim layer 7, and the fourth screws 71 are fixedly connected with the second eucalyptus layer 22 and the third eucalyptus layer 23. As shown in fig. 2, the first eucalyptus layer 21, the second eucalyptus layer 22, the third eucalyptus layer 23 and the fourth eucalyptus layer 24 are fixedly connected with the core board layer 2 through screws on the basis of bonding connection, bonding effect of the adhesive is poor due to the influences of service life and environmental factors after long-term use, the service life of the composite board can be prolonged through screw fixation, and better strength requirements are still met.

As a further preferred embodiment, the first, second, third and

fourth scrim layers

4, 5, 6 and 7 are chemical fiber materials. The first mesh fabric layer 4, the second mesh fabric layer 5, the third mesh fabric layer 6 and the fourth mesh fabric layer 7 made of chemical fiber materials are firm and durable, have good wear resistance and are not easy to rot.

As a further preferred embodiment, a waterproof layer 9 is bonded to the lower end of the back plate layer 3, the thickness of the waterproof layer 9 is 0.2-0.3mm, the waterproof layer 9 is formed by coating waterproof paint on the bottom surface of the back plate layer 3, and the waterproof layer 9 is used for isolating the moisture on the ground surface, so that the service life of the whole composite multilayer plate is prolonged.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a compound multiply wood of high strength, includes panel layer, core layer, the back plate layer of bonding connection in proper order, its characterized in that, the core layer is from last to down including bonding connection's first eucalyptus layer, second eucalyptus layer, third eucalyptus layer and fourth eucalyptus layer in proper order, the panel layer with it has first screen cloth layer to bond between the first eucalyptus layer, fourth eucalyptus layer with it has the second screen cloth layer to bond between the back plate layer, core layer left side is equipped with splice groove one, be equipped with the third screen cloth layer in the splice groove one, core layer right side is equipped with splice groove two, be equipped with the fourth screen cloth layer in the splice groove two, be equipped with the splice head in the splice groove one.

2. The high-strength composite multilayer board according to claim 1, wherein a first clamping head is arranged on the first eucalyptus layer, a first clamping groove is arranged on the second eucalyptus layer, the first clamping head is connected with the first clamping groove in a clamping mode, a second clamping groove is arranged on the third eucalyptus layer, a second clamping head is arranged on the fourth eucalyptus layer, and the second clamping groove is connected with the second clamping head in a clamping mode.

3. The high-strength composite multilayer board according to claim 1, wherein two sets of symmetrically arranged first screws are arranged in the first mesh fabric layer, the first screws are fixedly connected with the first eucalyptus layer, two sets of symmetrically arranged second screws are arranged in the second mesh fabric layer, the second screws are fixedly connected with the fourth eucalyptus layer, two sets of symmetrically arranged third screws are arranged in the third mesh fabric layer, the third screws are fixedly connected with the second eucalyptus layer and the third eucalyptus layer, two sets of symmetrically arranged fourth screws are arranged in the fourth mesh fabric layer, and the fourth screws are fixedly connected with the second eucalyptus layer and the third eucalyptus layer.

4. The high strength composite multilayer board according to claim 1, wherein the first, second, third and fourth scrim layers are chemical fiber materials.

5. The high strength composite multilayer board according to claim 1, wherein a waterproof layer is bonded to the lower end of the back board layer, and the thickness of the waterproof layer is 0.2-0.3 mm.