CN103790332A

CN103790332A - Three-layer solid wood composite floor and manufacturing method

Info

Publication number: CN103790332A
Application number: CN201410029187.8A
Authority: CN
Inventors: 周尧新
Original assignee: ZHEJIANG HUAKAI WOOD Co Ltd
Current assignee: ZHEJIANG HUAKAI WOOD Co Ltd
Priority date: 2014-01-22
Filing date: 2014-01-22
Publication date: 2014-05-14

Abstract

The invention relates to a three-layer solid wood composite floor and a manufacturing method. The floor is mainly formed by mutually splicing a solid wood surface layer, a solid wood bottom surface and a middle core layer in a combined mode. The core layer is composed of two long connecting strips arranged in the length direction of the floor and a plurality of transverse solid wood laths transversely connected between the long connecting strips in sequence, the solid wood surface layer and the solid wood bottom layer are combined with the upper surface and the lower surface of the middle core layer through binder respectively, and the long connecting strips are located in the lateral face, between the solid wood surface layer and the solid wood bottom layer, of the width side of the floor. The manufacturing method includes the steps that first, a panel and a bottom board are manufactured, floor blanks are selected, the floor blanks are dried, set in thickness, planed and set in width, and then the floor blanks are made into the solid wood panel and the solid bottom board; second, a core board is manufactured, the same solid wood blanks are selected to be made into two rectangular side coamings with the length equal to that of the solid wood panel and the solid wood bottom board, boards are stacked between the two side coamings layer by layer to be pressed, pasted, glued and dried to form a whole, and the middle core layer in pieces are formed through cutting in the length direction of the side coamings; third, combination is performed, and namely the panel, the bottom board and the core layer are combined into a whole in a pressing and pasting mode.

Description

A kind of three-layer wood composite flooring and preparation method

Technical field

What the present invention relates to is a kind of solid wooden compound floor and preparation method, belongs to a kind of floorboards of wood and preparation method.

Background technology

In prior art, the sandwich layer of the composition of solid wooden compound floor in the middle of mainly comprising, and upper and lower composite bed composition, and how many according to the number of plies of composite bed, form the multi-layer composite floors such as three layers, four layers or five layers; Existing the simplest composite floor board is three-layer wood composite flooring, the key of this solid wooden compound floor is sandwich layer, the sandwich layer that existing solid wooden compound floor is selected mainly comprises the middle density central layer that coefficient of deformation is low, or the wooden central layer being arranged at an angle of 90 in machine direction with upper and lower composite layered plate etc.But above-mentioned three-layer wood composite flooring is in use, still can be subject to because of floor the impact of environment for use, the different deformation between intermediate core layer and upper and lower composite bed occurs, and then generation bulk deformation, warpage, and plate such as splits at the phenomenon.

Summary of the invention

The object of the invention is to overcome the deficiency that prior art exists, and provide a kind of simple in structure, easy to use, counter-bending ability is strong, three-layer wood composite flooring and the preparation method of not yielding, low cost of manufacture.

The object of the invention is to complete by following technical solution, described three-layer wood composite flooring, it mainly by solid wood surface layer, solid wood bottom and intermediate core layer by bonding compound composition each other, described sandwich layer connects bar by two length of arranging along floor length direction and is laterally connected on mutually successively the many solid wood horizontal lamellaes that described length connects between bar and forms, described solid wood surface layer and solid wood bottom are compounded in respectively the upper and lower surface of sandwich layer by cementing agent, length wherein connects in the side of the floor width edge of bar between solid wood surface layer and solid wood bottom.

Described solid wood horizontal lamellae is the irregular batten ends made from waste wood sheet material, and many solid wood horizontal lamellaes are connected on mutually successively two long connecing and between bar, form the square central layer of a block length.

A preparation method for three-layer wood composite flooring as above, it comprises the steps:

A) making of panel and base plate, selects wooden floor blank of the same race, to selected floor blank be dried, fixed thick, scrape and fixed width, make solid-wood panels and solid wood base plate;

B) central layer is made, select solid wood blank of the same race, make two rectangular, with solid-wood panels and solid wood base plate with long surrounding edge plate, between described two blocks of surrounding edge plates, stacked from level to level plank and overlay after glue laminated be dried to one, then be cut into blocks of sandwich layer along surrounding edge plate length direction layer, the both sides of this sandwich layer are that the length that surrounding edge plate is cut into connects bar, the middle polylith being cut into for the plank stacking the from level to level solid wood horizontal lamellae that joins successively;

C) the compound finished product of making, is combined into and is integrated after described solid-wood panels, wooden floor and the upper and lower surface that is placed in sandwich layer are overlayed, and then processes through carpenter, makes three layers of composite floor board finished product after comprising mortice opening.

The present invention, by the sticker in length and breadth of solid-wood panels and solid wood base plate and middle central layer, can make to form the layer structure mutually pining down between upper and lower flaggy, the warpage that can avoid plate to produce because of deformation, distortion and cracking; Because middle central layer is mainly joined and forms successively by polylith short slab material, therefore this plate source is abundant, can select some scoots, reduced the cost of raw material, therefore, the present invention has simple in structure, easy to use, counter-bending ability is strong, the feature such as not yielding, low cost of manufacture.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Fig. 2 is that the entirety of middle central layer of the present invention overlays structural representation.

Fig. 3 is the structural representation that intermediate core bladed saw of the present invention is cut into central layer.

Fig. 4 is the structural representation of middle central layer of the present invention.

The specific embodiment

Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, three-layer wood composite flooring of the present invention, it is mainly by solid wood surface layer 1, solid wood bottom 2 and intermediate core layer 3 are by bonding compound composition each other, described sandwich layer 3 connects bar 31 by two length of arranging along floor length direction and is laterally connected on mutually successively the many solid wood horizontal lamellaes 32 that described length connects between bar and forms, described solid wood surface layer 1 and solid wood bottom 2 are compounded in respectively the upper and lower surface of sandwich layer 3 by cementing agent, length wherein connects in the side of the floor width edge of bar 31 between solid wood surface layer 1 and solid wood bottom 2.

Described solid wood horizontal lamellae 32 is irregular batten endses made from waste wood sheet material, and many solid wood horizontal lamellaes 32 are connected on mutually successively two long connecing between bar 31 and form the square central layer of a block length as intermediate core layer 3.

A) making of panel and base plate, selects wooden floor blank of the same race, to selected floor blank be dried, fixed thick, scrape and fixed width, make solid-wood panels 1 and solid wood base plate 2;

B) central layer is made, and selects solid wood blank of the same race, make two rectangular, with solid-wood panels and solid wood base plate with long surrounding edge plate 33, between described two blocks of surrounding edge plates 33, stacked from level to level plank 34 and overlay after glue laminated be dried to one, as shown in Figure 2; Then be cut into blocks of sandwich layer 3 along surrounding edge plate 33 length direction layers, as shown in Figure 3; The both sides of this sandwich layer 3 are that the length that surrounding edge plate is cut into connects bar 31, the middle polylith being cut into for the plank stacking the from level to level solid wood horizontal lamellae 32 that joins successively, as shown in Figure 4;

C) the compound finished product of making, is combined into and is integrated after described solid-wood panels 1, solid wood base plate 2 and the upper and lower surface that is placed in sandwich layer 3 are overlayed, and then processes through carpenter, makes three layers of composite floor board finished product after comprising mortice opening.

The present invention's cementing agent used can be carbimide aldehyde-free cement, can be also the composite floor board making cementing agent of existing routine.

Claims

1. a three-layer wood composite flooring, it mainly by solid wood surface layer, solid wood bottom and intermediate core layer by bonding compound composition each other, it is characterized in that described intermediate core layer connects bar by two length of arranging along floor length direction and is laterally connected on mutually successively the many solid wood horizontal lamellaes that described length connects between bar forms, described solid wood surface layer and solid wood bottom are compounded in respectively the upper and lower surface of sandwich layer by cementing agent, length wherein connects in the side of the floor width edge of bar between solid wood surface layer and solid wood bottom.

2. three-layer wood composite flooring according to claim 1, is characterized in that described solid wood horizontal lamellae is the irregular batten ends made from waste wood sheet material, and many solid wood horizontal lamellaes are connected on mutually successively two long connecing and between bar, form the square central layer of a block length.

3. a preparation method for three-layer wood composite flooring as claimed in claim 1 or 2, is characterized in that described preparation method comprises the steps:

B) central layer is made, select solid wood blank of the same race, make two rectangular, with solid-wood panels and solid wood base plate with long surrounding edge plate, between described two blocks of surrounding edge plates, stacked from level to level plank and overlay after glue laminated be dried to one, then be cut into blocks of intermediate core layer along surrounding edge plate length direction layer, the both sides of this intermediate core layer are that the length that surrounding edge plate is cut into connects bar, the middle polylith being cut into for the plank stacking the from level to level solid wood horizontal lamellae that joins successively;