CN104441108B - A kind of preparation technology of real-wood integrated material - Google Patents
A kind of preparation technology of real-wood integrated material Download PDFInfo
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- CN104441108B CN104441108B CN201410560900.1A CN201410560900A CN104441108B CN 104441108 B CN104441108 B CN 104441108B CN 201410560900 A CN201410560900 A CN 201410560900A CN 104441108 B CN104441108 B CN 104441108B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
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- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
Abstract
The invention discloses the preparation technology of a kind of real-wood integrated material, comprise the following steps: A. tooth punching: several teeth are opened in each batten termination, the tooth depth of each described tooth is 4mm；B. spreading: use squeezing and pressing method to bond by the termination of two described battens；C. splicing: use cold spelling machine that some described battens pass through at faying face the coldest formation sheet material that is stitched together of binding agent.The preparation technology of a kind of real-wood integrated material of the present invention so that the integrated timber produced has the physical properties such as stronger toughness, bond strength and resistance to compression tension.
Description
Technical field
The present invention relates to wood processing technique field, the preparation technology of a kind of real-wood integrated material.
Background technology
At present, countries in the world are sustainable growth situation to the demand of timber, the pursuit of natural wood products will be the most urgent by particularly people, but in the face of constantly reducing of natural big-diameter wood resource is increasing with the undersized log that artificial fast-growing woods provides, increasing country limits or forbids log and the outlet of preliminary working product, thus the real-wood integrated material with low poor material as raw material becomes interior decoration and the ideal material of medium-to-high grade Furniture manufacturing, structural glulam can be used as gymnasium, Factory Building, warehouse, the timber structure beam of the buildings such as log cabin, it is widely used in Europe and north America region.But the integrated timber toughness that traditional processing technology is produced, bond strength intensity, resistance to compression tensile property are the most poor.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose the preparation technology of a kind of real-wood integrated material so that the integrated timber produced has the physical properties such as stronger toughness, bond strength and resistance to compression tension.
In order to realize foregoing invention purpose, the present invention provides techniques below scheme:
The preparation technology of a kind of real-wood integrated material, comprises the following steps:
A. tooth punching: several teeth are opened in each batten termination, the tooth depth of each described tooth is 4mm；
B. spreading: use squeezing and pressing method to bond by the termination of two described battens；
C. splicing: use cold spelling machine that some described battens pass through at faying face the coldest formation sheet material that is stitched together of binding agent.
Further, described step B uses 8 tons of hydraulic jacks.
Further, the operating pressure continuous action using 12MPa in step C completes cold spelling in 60 minutes.
Further, before described step A, first timber to be placed in being dried cellar for storing things and utilize high temperature and circulated air to be dried.
Further, before described step C, the faying face of described batten to be scraped and sand flat.
Further, after described step C, is scraped in described sheet material plate face and sand flat.
The preparation technology of a kind of real-wood integrated material of the present invention so that the integrated timber produced has the physical properties such as stronger toughness, bond strength and resistance to compression tension.
Detailed description of the invention
A kind of preparation technology of real-wood integrated material, the timber such as raw material Fructus Elaeagni Angustifoliae wood used in the present invention, elm, willow belong to broad-leaved hard weedtree, it is non-just seeds, in the past peasant household was used for making a fire, barbecue uses, do not produce economic worth, because this project processing real-wood integrated material need to use this type of timber in a large number, improve peasant household and plant the enthusiasm of tree, add the income of peasant household.
The present invention comprises the following steps:
A. tooth punching: 25 teeth are opened in each batten termination, the quantity of concrete tooth can be adjusted 24 or 26 etc. according to practical situation, and the tooth depth of each described tooth is 4mm.
B. spreading: use squeezing and pressing method to bond by the termination of two battens；
C. splicing: use side pressure cold spelling machine that some battens pass through at faying face the coldest formation sheet material that is stitched together of binding agent.
Use 8 tons of hydraulic jacks in stepb.
The operating pressure continuous action using 12MPa in step C completes cold spelling in 60 minutes.
Before step A, first timber to be neatly placed in being dried cellar for storing things and leave gap between timber, utilizing high temperature and circulated air to be dried.Dry kiln is surface structures, and long 8 meters, wide 4 meters, high 4 meters, assembling, in the centre position at dry kiln top, is automatically changed wind direction in every 3 hours, because of density and the moisture content of timber, made concrete drying time, make timber reach uniform drying.
Before step C, the faying face of batten to be scraped and sand flat.
Is scraped in sheet material plate face after step c and sand flat.
In step A, relative to tradition tooth punching 10mm tooth depth, effectively increase the area of batten termination faying face, when use batten specification be long 2.44m, the long 0.0583m in batten termination, batten thickness 0.015m time, in the present embodiment, the area of batten termination faying face is 3 times of cross-sectional area during the non-tooth punching in batten termination.Specifically it is calculated as follows:
Cross-sectional area during the non-tooth punching in batten termination: 0.0583m × 0.015m=0.0008745
Tooth one side area is: 0.015m × 0.004m=0.00006
The gross area of 25 teeth is: 0.00006 × 2 × 25=0.003
Then, the gross area of tooth punching termination with the ratio of the area of non-tooth punching termination is:
0.003 ÷ 0.0008745=3.44828 times.
Faying face increases, bond strength strengthens, and the physics characteristic aspect such as pliability, compression and tensile strength all improves 1.5 times.
Using cold spelling in step C, under certain pressure long duration of action, glue solidification is slow, infiltration is deep, defines hole for nailing at timber faying face, adds bond strength.Sand flat by batten faying face being scraped before step C, effectively reduce the usage amount of binding agent, and ensure that burst size of methanal is less than international standard.In the present embodiment, 24 batten integrated sheet material binder dosages are every square metre of sheet material 0.03316 gram, only the 1/5 of traditional method.
The preparation technology of a kind of real-wood integrated material of the present invention so that the integrated timber produced has the physical properties such as stronger toughness, bond strength and resistance to compression tension.
Claims (2)
1. the preparation technology of a real-wood integrated material, it is characterised in that raw material is Fructus Elaeagni Angustifoliae wood or elm or willow, comprises the following steps:
A. tooth punching: 25 teeth are opened in each batten termination, the tooth depth of each described tooth is 4mm；
Before described step A, first will be placed on by timber in being dried cellar for storing things and utilize high temperature and circulated air to be dried, assembling exists
The centre position at dry kiln top, because of density and the moisture content of timber, makes concrete drying time, dry kiln length 8 meters, wide 4 meters, high 4 meters；
B. spreading: use squeezing and pressing method to bond by the termination of two described battens；
C. splicing: use cold spelling machine that some described battens pass through at faying face the coldest formation sheet material that is stitched together of binding agent, 8 tons of hydraulic jacks are used in described step B, the operating pressure continuous action using 12MPa in step C completes cold spelling in 60 minutes, before described step C, the faying face of described batten to be scraped and sand flat.
The preparation technology of a kind of real-wood integrated material the most as claimed in claim 1, it is characterised in that after described step C, is scraped in described sheet material plate face and sand flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560900.1A CN104441108B (en) | 2014-10-21 | 2014-10-21 | A kind of preparation technology of real-wood integrated material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560900.1A CN104441108B (en) | 2014-10-21 | 2014-10-21 | A kind of preparation technology of real-wood integrated material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104441108A CN104441108A (en) | 2015-03-25 |
| CN104441108B true CN104441108B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410560900.1A Active CN104441108B (en) | 2014-10-21 | 2014-10-21 | A kind of preparation technology of real-wood integrated material |
Country Status (1)
| Country | Link |
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| CN (1) | CN104441108B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020076275A1 (en) * | 2000-08-01 | 2002-06-20 | Roland Hernandez | Finger-joint in finger-jointed lumber |
| CN200948630Y (en) * | 2006-08-15 | 2007-09-19 | 华商技研(天津)家具有限公司 | Consequent adhesive-bonded panel joggle joint integrated material |
| KR100957696B1 (en) * | 2008-04-30 | 2010-05-12 | 김성길 | A finger joint structure for bridge |
| JP4754027B1 (en) * | 2010-05-27 | 2011-08-24 | 貫一 福井 | Manufacturing method of cedar medium grain laminated lumber |
| CN103568083A (en) * | 2012-08-01 | 2014-02-12 | 黔西南州宏森木业有限公司 | Splicing process for finger joint laminated boards |
| CN103101097B (en) * | 2013-01-31 | 2014-12-10 | 开县庆宁木业有限公司 | Method of manufacturing solid wood composite door by utilizing waste wood |
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2014
- 2014-10-21 CN CN201410560900.1A patent/CN104441108B/en active Active
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| Publication number | Publication date |
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| CN104441108A (en) | 2015-03-25 |
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