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The Method of Improving the Surface Hardness of Chinese Fir Board

A technology of surface hardness and fir board, which is applied in the field of wood processing, can solve the problems of delamination and peeling of painted boards, easy delamination of painted paint, and small surface adhesion of fir boards, so as to achieve increased surface hardness and added value. And the effect of improving economic benefits and increasing hardness

Active Publication Date: 2016-01-13
广西柳州金杉木业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has the following deficiencies in use: 1, because this method penetrates to the Chinese fir board surface by paint, and then repeatedly coats multi-layer paint on the Chinese fir board surface to improve the fir board surface hardness, because of the woodiness of Chinese fir Loose, the surface adhesion of the processed fir board is small, and the paint is too thick and easy to layer and fall off; 2. The physical properties of fir wood and paint coatings are different, and the seasons are different in spring, summer, autumn and winter. Affected by climate change, paint coating Too thick and easy to delaminate and fall off the plank

Method used

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  • The Method of Improving the Surface Hardness of Chinese Fir Board
  • The Method of Improving the Surface Hardness of Chinese Fir Board

Examples

Experimental program
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Effect test

Embodiment 1

[0017] The method for improving the surface hardness of fir boards is to cook, dry and process fir boards into fir boards 1, which includes the following steps:

[0018] A. The wood stamping machine includes needle dies, such as figure 2 The needle pressing die shown has a pressing plate 3 and a plurality of extruding needles 2 distributed on the pressing plate 3, and the diameter of the needle head of the extruding needle 2 located on the lower surface of the pressing plate 3 is 1 mm and the length is 1 mm. The surface of the Chinese fir board 1 is extruded and needle-punched using a needle die, so that the surface of the Chinese fir board 1 is distributed with a plurality of upper, lower, and small conical pinholes, and the number of pinholes is 7000 per square meter. The diameter of each pinhole on the surface of the Chinese fir board is 1 mm, and the depth of the pinhole is 1 mm; The surface is set vertically; the paint coated on the surface of the fir board is closely c...

Embodiment 2

[0024] The method for improving the surface hardness of fir boards is to cook, dry and process fir boards into fir boards 1, which includes the following steps:

[0025] A, plank punching machine comprises needle press die, and needle press die has pressing plate 3 and a plurality of extruding pins 2 that are distributed on pressing plate 3, and the diameter of extruding pin 2 being positioned at the pinhead of pressing plate 3 lower surface is 3 millimeters, and length is 3mm. use as figure 2 The needle press mold shown squeezes and needles the surface of the Chinese fir board 1, so that a plurality of upper, lower, and small conical pinholes are distributed on the surface of the Chinese fir board 1, and the number of pinholes is 8500 per square The diameter of each pinhole on the surface of the Chinese fir board is 3 millimeters, and the depth of the pinhole is 3 millimeters; the needle press mold of the present embodiment is extruded to the surface of the Chinese fir boar...

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Abstract

The invention discloses a method for improving surface hardness of a Chinese fir board and relates to the technical field of wood processing. According to the method, a Chinese fir billet plate is cooked, baked and processed into the Chinese fir board. The method comprises the following steps: extruding and needling the surface of the Chinese fir board by using a stylus pressure die of a board punching machine, so that a plurality of conical pinholes which are large in upper parts and small in lower parts are distributed on the surface of the Chinese fir board; the quantity of the pinholes is 7000-8500 per square meter; the diameter of each pinhole in the surface of the Chinese fir board is 1-3mm; the depth of each pinhole is 1-3mm; evenly coating a layer of hardening paint on the surface of the Chinese fir board on which the plurality of conical pinholes which are large in upper parts and small in lower parts are distributed; polishing and sanding the surface of a cured coating after the hardening paint is cured; repeatedly operating for 3-5 times according to the steps; evenly coating a layer of wear-resistant paint on the surface of the coating. Compared with the prior art, the method has the advantages that the surface hardness of the Chinese fir board is improved to over 5H and the hardness is increased by 2-3 times.

Description

technical field [0001] The invention relates to the technical field of wood processing, in particular to a processing method for hardening the surface of fir boards. Background technique [0002] Chinese fir is the main tree species cultivated in our southern region. It has a relatively rich timber stock, and its annual output accounts for more than 20% of the total commercial timber in the country. Chinese fir is also a traditional building material with a long history. Comfortable and durable” performance; but because Chinese fir also has the characteristics of “loose wood and low hardness”, if the surface hardness of Chinese fir boards can be improved through a process and method, the use of Chinese fir boards can be expanded and the quality of Chinese fir boards can be improved. The added value and economic benefits of the board can meet the needs of different environments and consumers. Such as the Chinese invention patent "A method for increasing the surface hardness ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K5/06B24B7/28
Inventor 李爱培
Owner 广西柳州金杉木业股份有限公司
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