Recombination wood and manufacturing method thereof

Abstract

The invention provides a method for manufacturing reconstituted wood. Rotary cut is carried out on the raw wood for preparing a veneer or a veneer strip, defibering is carried out on the veneer, the forming points and / or wood bunch shades or wood bunches of striation crack are formed along the natural texture of wood on the veneer, then dipping, drying and hot pressing for molding the reconstituted wood are carried out. Compared with the prior art, the method of the invention solves the problem that wood bunch is irregular; the rate of utilizing wood and production efficiency of wood bunch are improved; defibering process is simplified and energy consumption for defibering is lowered. The process facilitates the cracks on the wood bunch shades and wood bunches to be very even and facilitates the dipping of wood bunch shades or wood bunches to be very even in the following dipping process; the product problems such as warp, deformation, jump fibre, and the like, are overcome, which are aroused by uneven defibering in making wood bunches from raw wood directly in the prior art, and the boards that the surface is very smooth, the mechanical performances such as stiffness and intensity, and the like, are higher than the raw material itself are made, therefore the fast-growing forest wood with worse performances and wider source can be made into the products of reconstituted wood which can compare beauty with noble hardwood.

Description

technical field [0001] The invention belongs to the technical field of wood-based composite materials, and relates to a recombined wood and a manufacturing method thereof. Background technique [0002] The basic components of wood-based panels are fibers, shavings, wood beams and veneers. The fiberboard and particleboard produced by the unit structure of fiber and shavings completely disrupt the order of the natural arrangement of the fibers of the wood material, and then rearrange and combine them. The product loses the natural texture of the wood, and some physical and mechanical properties are reduced, which limits its use. However, the veneer unit has higher requirements on the quality of logs. With the implementation of the strategy of shifting the use of wood from natural forests to artificial forests, the diameter of logs continues to decrease, the material continues to deteriorate, and the veneerization of wood Utilization has gradually lost its competitive advantag...

AI Technical Summary

Problems solved by technology

Due to the different materials of various parts of the wood, it is easy to cause the cross-sectional size, length, shape, and degree of debonding of the wood beams to be different during the debonding process, which will cause uneven gluing in the subsequent gluing process; uneven distribution of moisture content in the drying process ;In the paving process, uneven paving is caused by different packing densities, resulting in a series of problems such as product warping, deformation, and wire jumping.

In addition, due to the irregularity of the wood beams, it is easy to cause uneven surface of the product, and the surface of the product is often rough, and it is difficult to make it very smooth, which limits the use of the product;

[0004] 2) The wood utilization rate is low

It is inevitable that there are defects such as knots and decay in the logs, and these defects are easy to cause breakage during the process of debonding, thereby reducing the yield of wood bundles;

[0005] 3) Low production efficiency

The diameter grade of the log is different, and the gap between the deflaking rollers needs to be adjusted according to the diameter grade of the log, which reduces the production efficiency;

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