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Composite concave-convex panel based on high frequency

A high-frequency, board technology, applied in wood treatment, wood heating, wood heat treatment, etc., can solve the problems of high cost, inability to reflect the wood texture, and inability to reflect the concave-convex texture characteristics of each board, so as to reduce the deformation recovery rate and prepare The method is simple and improves the effect of depth

Active Publication Date: 2019-02-22
广平凯王压密科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing boards, there are many ways to achieve the concave-convex effect, such as using molds, engraving and other methods. The existing methods generally use preset molds to achieve the concave-convex effect, which cannot reflect the natural texture of the wood. Each piece The graphics and text of the boards are similar, and the traces of manual processing are obvious, which cannot reflect the random uneven texture characteristics of each board. At the same time, the preparation process of the mold and engraving is relatively complicated and the cost is high. In addition, the existing methods for realizing the concave-convex effect All have requirements for the density of the board, if the density is not enough, it cannot be used to prepare concave-convex boards

Method used

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  • Composite concave-convex panel based on high frequency
  • Composite concave-convex panel based on high frequency
  • Composite concave-convex panel based on high frequency

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-7

[0046] Embodiment 1-7 provides 7 kinds of composite concave-convex plates, all prepared by the following steps:

[0047] a. Pretreatment: choose a density not exceeding 0.5kg / m 3 Wooden boards, the moisture content of the boards should be controlled at 8%-18%, and the thickness should not exceed 2cm;

[0048] b. Heating treatment: select N wood boards after pretreatment to be stacked and placed in contact, N≥2, heat the pretreated wood boards with high frequency until the temperature of the boards is 80°C-100°C, and keep warm for 2-3min;

[0049] c. Pressure treatment: Compress the heat-treated wood boards according to the preset compression rate S, the preset compression rate is preferably 10%-70%, the thickness of N wood boards after contact is U1, and the thickness after pressure is U2 , then S=U2 / U1;

[0050] d. Curing treatment: heat the wood board after pressure treatment to 200-240°C with high frequency and keep it warm for 4-6 minutes under the condition that the pre...

Embodiment 8

[0066] Embodiment 8 Composite concave-convex sheet based on high frequency

[0067] Embodiment 8 provides a composite concave-convex sheet; the composite concave-convex sheet is prepared by the following steps:

[0068] a. Pretreatment: choose a density not exceeding 0.5kg / m 3 Wooden boards, the moisture content of the boards should be controlled at 8%-18%, and the thickness should not exceed 2cm;

[0069] b. Heat treatment: select 3 wood boards after pretreatment and place them in contact, and the density of the 3 wood boards is 0.46kg / m3 respectively 3 、0.39kg / m 3 、0.43kg / m 3 , control the moisture content of the plank to be 9%, 11%, 13%, respectively, and the thickness to be 0.6cm, 0.8cm and 0.4cm respectively, heat the pretreated plank to the temperature of the plank with high frequency to 100°C, and the heating time is 3min ;

[0070] c. Pressure treatment: compress the wood boards after heat treatment according to the preset compression rate S, the preset compressio...

Embodiment 5

[0101] Cooling treatment step is general embodiment 5;

[0102] Wherein, the total thickness of the three wood boards after the pressure treatment in step c is 0.9dm, and the upper surface and the lower surface of the pretreated wood boards are not covered with electrical insulating cloth.

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Abstract

The invention relates to a composite concave-convex panel based on high frequency. The at least one side surface of the composite concave-convex panel has concave-convex veins; the composite concave-convex panel is prepared by a method comprising the steps of pretreatment, heating, pressurization, curing, cooling and maintenance; the concave-convex veins of the prepared concave-convex panel provided by the invention are random; the original natural properties of wood are retained; any complicated processing procedures such as engraving and molds are not needed; and the concave-convex panel prepared by the method provided by the invention can realize that one side has concave-convex veins or both sides have concave-convex veins, so the strength and the beauty of the original wood panel areenhanced.

Description

technical field [0001] The invention belongs to the technical field of wood processing, and in particular relates to a high-frequency composite concave-convex plate. Background technique [0002] In the existing boards, there are many ways to achieve the concave-convex effect, such as using molds, engraving and other methods. The existing methods generally use preset molds to achieve the concave-convex effect, which cannot reflect the natural texture of the wood. Each piece The graphics and text of the boards are similar, and the traces of manual processing are obvious, which cannot reflect the random uneven texture characteristics of each board. At the same time, the preparation process of the mold and engraving is relatively complicated and the cost is high. In addition, the existing methods for realizing the concave-convex effect All have requirements on the density of the board, if the density is not enough, it cannot be used to prepare concave-convex boards. Contents ...

Claims

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Application Information

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IPC IPC(8): B27K5/00
CPCB27K5/001B27K5/007B27K5/009
Inventor 王凯
Owner 广平凯王压密科技有限公司
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