CN103302709B - A kind of method that wooden beam slab manufactures - Google Patents

A kind of method that wooden beam slab manufactures Download PDF

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Publication number
CN103302709B
CN103302709B CN201310211290.XA CN201310211290A CN103302709B CN 103302709 B CN103302709 B CN 103302709B CN 201310211290 A CN201310211290 A CN 201310211290A CN 103302709 B CN103302709 B CN 103302709B
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China
Prior art keywords
veneer
hours
pretreatment
copper
assembly
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CN201310211290.XA
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Chinese (zh)
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CN103302709A (en
Inventor
张仲凤
黄凯
张继娟
王解军
叶勇军
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中南林业科技大学
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Abstract

The invention discloses a kind of method that wooden beam slab manufactures, be made up of following steps: (1) veneer pretreatment: according to volume ratio V veneer: V copper-bath=1:6 ~ 1:7, is immersed in veneer in copper-bath, soaks 8 hours ~ 10 hours, then take out veneer, dry to appropriated moisture at 100 ~ 110 DEG C, pretreatment veneer under room temperature, normal pressure; (2) assembly: adopt epoxy resin adhesive to carry out two-sided applying glue to pretreatment veneer, resin added is 220g/m 2~ 280g/m 2; Veneer adopts parallel assembly, and glass fabric, veneer assemble pattern are alternately place mats and the superiors and orlop are veneer; (3) cold moudling: after assembly, puts into cold press, boosts to 20MPa ~ 30MPa, pressurize 24 hours ~ 36 hours, then removal pressure, and every sideline judge, except 8 ~ 12 centimetres, obtains wooden beam slab.This invention is easy to realize, and easy to operate, production cost is low, is applicable to large-scale production.

Description

A kind of method that wooden beam slab manufactures

Technical field

The present invention relates to a kind of manufacture method of wooden beam slab, specifically, relate to a kind of method utilizing China's Poplar Plantation timber to manufacture wooden beam slab.

Background technology

China have the title in timber buildings native place.Before Qin Han, all house of China is nearly all timber structure.Just there is brick structure house during week in business, its beam column is still log.But because wood property limit, under technical conditions at that time, adopt fast growing wood to be difficult to produce firmly durable wooden frame.To modern age, timber structure again gradually replace by concrete reinforcement structure.But the investigation and application of Modern Wood Construction is blank in China always.Until 2008, China just occurs that First is designed by American, adopts two layers of timber structure building of American Engineering timber structure material and American technology index formation, and its valency is very expensive.In order to change the backward situation of China in engineered wood construction material Manufacture and application field, present invention applicant has carried out system tackling key problem to the wooden beam slab manufacturing technology based on quick growth poplar wood, invent this technology, this technique be easy to realize, easy to operate, solve the technical barrier of domestic Poplar Plantation timber for wooden frame, improve the added value of poplar artificial forest wood, providing technical support for increasing woods people income simultaneously.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of method that wooden beam slab being easy to realize, easy to operate, production cost is low manufactures.

In order to solve the problems of the technologies described above, the method that the wooden beam slab that the present invention adopts manufactures, is made up of following steps:

(1) veneer pretreatment: according to volume ratio V veneer: V copper-bath=1:6 ~ 1:7, veneer is immersed in copper-bath, soak 8 hours ~ 10 hours under room temperature, normal pressure, then veneer is taken out, dry to appropriated moisture at 100 DEG C ~ 110 DEG C, pretreatment veneer, wherein copper-bath is the copper sulfate solution of quality than concentration 6% ~ 10%; Veneer is one of the Italian willow, Chinese white poplar two kinds of Poplar Plantation wood single-plates of south China establishing in large scale, and veneer thickness is 0.9mm ~ 1.8mm; Appropriated moisture refers to that moisture content is 12% ~ 14%, moisture content is 7% ~ 9% when China north uses when south China uses;

(2) assembly: adopt epoxy resin adhesive to carry out two-sided applying glue to pretreatment veneer, resin added is 220g/m 2~ 280g/m 2; Veneer adopts parallel assembly, and glass fabric, veneer assemble pattern are alternately place mats and the superiors and orlop are veneer; Wherein glass fabric surface density 70g/m 2~ 90g/m 2; According to veneer gross thickness between 15 centimetres ~ 25 centimetres, the veneer number of plies is set;

(3) cold moudling: after assembly, puts into cold press, boosts to 20MPa ~ 30MPa, pressurize 24 hours ~ 36 hours, then removal pressure, and every sideline judge, except 8 ~ 12 centimetres, obtains wooden beam slab.

Adopt the wooden beam slab manufacture method of technique scheme, be easy to realize, easy to operate, production cost is low, is applicable to large-scale production, improves the use value of China's Poplar Plantation timber, can increase self-employed tree cultivator's income, significant to building a harmonious society.This invention can produce significant economic and social profit, has good promotional value.

Accompanying drawing explanation

Fig. 1 is the structural representation of wooden beam slab of the present invention.

Detailed description of the invention

Can be expressly understood the present invention further by specific embodiments of the invention given below, but following embodiment is not limitation of the invention.

Embodiment 1:

The method that wooden beam slab manufactures, is made up of following steps:

(1) veneer pretreatment: according to volume ratio V veneer: V copper-bath=1:6, is immersed in veneer in copper-bath, and soak 8 hours under room temperature, normal pressure, then take out veneer, dry to appropriated moisture at 105 DEG C, pretreatment veneer, wherein copper-bath is the copper sulfate solution of quality than concentration 8%; Veneer is the Italian poplar wood veneer of south China large area artificial growth, and veneer thickness is 1.2mm; Appropriated moisture refers to that moisture content is 12%, moisture content is 8% when China north uses when south China uses;

(2) assembly: adopt epoxy resin adhesive to carry out two-sided applying glue to pretreatment veneer, resin added is 260g/m 2; Veneer adopts parallel assembly, and see Fig. 1, glass fabric 2, veneer 1 assemble pattern are alternately place mats and the superiors and orlop are veneer 1; Wherein glass fabric surface density 70g/m 2; According to veneer gross thickness 25 centimetres, the veneer number of plies is set;

(3) cold moudling: after assembly, puts into cold press, boosts to 24MPa, pressurize 24 hours, then removal pressure, and every sideline judge, except 10 centimetres, obtains wooden beam slab.

Embodiment 2:

The method that wooden beam slab manufactures, is made up of following steps:

(1) veneer pretreatment: according to volume ratio V veneer: V copper-bath=1:7, is immersed in veneer in copper-bath, and soak 9 hours under room temperature, normal pressure, then take out veneer, dry to appropriated moisture at 100 DEG C, pretreatment veneer, wherein copper-bath is the copper sulfate solution of quality than concentration 6%; Veneer is the Chinese white poplar wood single-plate of south China large area artificial growth, and veneer thickness is 0.9mm; Appropriated moisture refers to that moisture content is 13%, moisture content is 7% when China north uses when south China uses;

(2) assembly: adopt epoxy resin adhesive to carry out two-sided applying glue to pretreatment veneer, resin added is 220g/m 2; Veneer adopts parallel assembly, and see Fig. 1, glass fabric 2, veneer 1 assemble pattern are alternately place mats and the superiors and orlop are veneer 1; Wherein glass fabric surface density 78g/m 2; According to veneer gross thickness between 20 centimetres, the veneer number of plies is set;

(3) cold moudling: after assembly, puts into cold press, boosts to 20MPa, pressurize 36 hours, then removal pressure, and every sideline judge, except 8 centimetres, obtains wooden beam slab.

Embodiment 3:

The method that wooden beam slab manufactures, is made up of following steps:

(1) veneer pretreatment: according to volume ratio V veneer: V copper-bath=1:7, is immersed in veneer in copper-bath, and soak 10 hours under room temperature, normal pressure, then take out veneer, dry to appropriated moisture at 110 DEG C, pretreatment veneer, wherein copper-bath is the copper sulfate solution of quality than concentration 10%; Veneer is the Italian poplar wood veneer of south China large area artificial growth, and veneer thickness is 1.8mm; Appropriated moisture refers to that moisture content is 14%, moisture content is 9% when China north uses when south China uses;

(2) assembly: adopt epoxy resin adhesive to carry out two-sided applying glue to pretreatment veneer, resin added is 280g/m 2; Veneer adopts parallel assembly, and see Fig. 1, glass fabric 2, veneer 1 assemble pattern are alternately place mats and the superiors and orlop are veneer 1; Wherein glass fabric surface density 90g/m 2; According to veneer gross thickness between 15 centimetres, the veneer number of plies is set;

(3) cold moudling: after assembly, puts into cold press, boosts to 30MPa, pressurize 30 hours, then removal pressure, and every sideline judge, except 12 centimetres, obtains wooden beam slab.

Claims (1)

1. a method for wooden beam slab manufacture, is characterized in that: be made up of following steps:
(1) veneer pretreatment: according to volume ratio V veneer: V copper-bath=1:6 ~ 1:7, veneer is immersed in copper-bath, soak 8 hours ~ 10 hours under room temperature, normal pressure, then veneer is taken out, dry to appropriated moisture at 100 DEG C ~ 110 DEG C, pretreatment veneer, wherein copper-bath is the copper sulfate solution of quality than concentration 6% ~ 10%; Veneer is one of the Italian willow, Chinese white poplar two kinds of Poplar Plantation wood single-plates of south China establishing in large scale, and veneer thickness is 0.9mm ~ 1.8mm; Appropriated moisture refers to that moisture content is 12% ~ 14%, moisture content is 7% ~ 9% when China north uses when south China uses;
(2) assembly: adopt epoxy resin adhesive to carry out two-sided applying glue to pretreatment veneer, resin added is 220g/m 2~ 280g/m 2; Veneer adopts parallel assembly, and glass fabric, veneer assemble pattern are alternately place mats and the superiors and orlop are veneer; Wherein glass fabric surface density 70g/m 2~ 90g/m 2; According to veneer gross thickness between 15 centimetres ~ 25 centimetres, the veneer number of plies is set;
(3) cold moudling: after assembly, puts into cold press, boosts to 20MPa ~ 30MPa, pressurize 24 hours ~ 36 hours, then removal pressure, and every sideline judge, except 8 centimetres ~ 12 centimetres, obtains wooden beam slab.
CN201310211290.XA 2013-05-31 2013-05-31 A kind of method that wooden beam slab manufactures CN103302709B (en)

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CN103302709B true CN103302709B (en) 2015-09-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103770159B (en) * 2013-12-30 2016-01-20 中南林业科技大学 A kind of veneer advanced composite material manufacture method
CN107414976A (en) * 2017-09-21 2017-12-01 中山市富木木制品有限公司 A kind of moulding process of sheet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55114560A (en) * 1979-02-28 1980-09-03 Matsushita Electric Works Ltd Rreparation of laminated woody board
CN201141192Y (en) * 2007-07-27 2008-10-29 曾志文 Composite solid-wood floor plate
CN102699963A (en) * 2012-06-12 2012-10-03 福建农林大学 Anti-corrosive plywood and production method thereof
CN103029412A (en) * 2012-12-14 2013-04-10 郑州兴旺木业有限公司 Processing method for laminated composite cutting die plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55114560A (en) * 1979-02-28 1980-09-03 Matsushita Electric Works Ltd Rreparation of laminated woody board
CN201141192Y (en) * 2007-07-27 2008-10-29 曾志文 Composite solid-wood floor plate
CN102699963A (en) * 2012-06-12 2012-10-03 福建农林大学 Anti-corrosive plywood and production method thereof
CN103029412A (en) * 2012-12-14 2013-04-10 郑州兴旺木业有限公司 Processing method for laminated composite cutting die plate

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