CN201856278U - Dislocation finger joint recombined structural wood - Google Patents
Dislocation finger joint recombined structural wood Download PDFInfo
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- CN201856278U CN201856278U CN2010202798155U CN201020279815U CN201856278U CN 201856278 U CN201856278 U CN 201856278U CN 2010202798155 U CN2010202798155 U CN 2010202798155U CN 201020279815 U CN201020279815 U CN 201020279815U CN 201856278 U CN201856278 U CN 201856278U
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- finger
- wood
- dislocation
- structure material
- reorganization
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Abstract
The utility model relates to a dislocation finger joint recombined structural wood, comprising a plurality of layers of recombined wood which is lengthened by longitudinal finger joints and is assembled and glued along the rift grain direction. The finger joint parts are arranged in dislocation along the longitudinal direction in the width direction, and the diameter of each wood fiber bundle of the recombined wood is 1mm-5mm. By adopting the utility model, the technical bottleneck that wood can not be directly used for the structural wood due to problems of low density, loosen structure, soft material, low strength and the like is solved, and a new approach is provided for the wood industrialization.
Description
Technical field
The utility model belongs to wood-based plate and the manufacturing technology field thereof in the wood-based plate industry, relates to a kind of dislocation finger recombination structure material.
Background technology
Along with the fast development that China timber buildings is used, driven China to the increasing rapidly of structural wood demand, to add up with town and country construction portion according to house, China's structural wood breach in 2007 is 4,000 ten thousand m
3Along with the continuous development of China's wooden frame structure and building, add that the Sichuan earthquake reconstruction needs 2,000 ten thousand m approximately with the material amount
3, to 2010, the structural wood breach of China will reach 9,000 ten thousand m
3Official claims according to federal government of Canada, the wooden frame structure that Canada has built up in the inland of China at present is about 300, plan is built 9000 again, estimate that annual wooden frame structure quantity of building will reach about 15000 in the coming five years of inland of China, this will bring huge market prospects for structure material.At present, the employed structural wood of wooden frame structure mainly is log, laminated veneer lumber and the laminated wood of big footpath level, do not adopt undersized log to make structural wood as yet, its main cause: undersized log ubiquity footpath level is little, and density is low, and it is many to scab, short texture, defectives such as material is soft, and intensity is low can not be directly used in structural wood.Along with China artificial forest is cultivated the expansion of area and the raising of the level of cultivation, the artificial forest resource of China is very abundant, no matter cultivating area still is that output all occupies first place in the world, the area of China artificial forest reaches 5,326 ten thousand hectares at present, can provide every year timber 9670 ten thousand steres, and the standing crop increment is at 4.97 hundred million m
3More than/the a, consumption is about 70% of an increment; How effectively utilizing the artificial forest wood of China, make its performance meet or exceed the performance of natural high-quality timber, is the bottleneck technology of China's forestry and forestry products processing.
Summary of the invention
The purpose of this utility model is to improve the deficiency in the existing technology, and a kind of dislocation finger recombination structure material is provided, and makes its physical and mechanical property satisfy the structural wood performance demands.
For achieving the above object, the utility model is taked following process technology scheme:
Dislocation finger recombination structure material, it comprises that the several layers of reorganization wood by vertical finger spreading form by rift grain direction assembly, gummed, and described finger position is in thickness direction arrangements that longitudinally misplace, and wooden wood fiber bundle diameter of described reorganization is 1mm-5mm.
Described dislocation finger recombination structure material, the box pin joint parameter at its finger position is: the long 8mm-45mm of tooth, tooth top width 0.5mm-5mm, tooth pitch 1mm-6mm, gradient is 1/2-1/9.
Described dislocation finger recombination structure material, its finger joint teeth is along the width tooth punching of reorganization wood.
Described dislocation finger recombination structure material, its finger joint teeth is along the thickness direction tooth punching of reorganization wood.
Described dislocation finger recombination structure material, the used adhesive of its reorganization wood is a phenolic resin adhesive.
Described dislocation finger recombination structure material, the used adhesive of its finger face glue-line are two component isocyanate adhesives or resorcinol adhesive.
Described dislocation finger recombination structure material, the used adhesive of glue-line is two component isocyanate adhesives or resorcinol adhesive between the reorganization wood of vertical finger spreading.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, is not to restriction of the present utility model, every any this area of being carried out according to the utility model disclosure be equal to replacement, all belong to protection domain of the present utility model.
Description of drawings
Fig. 1 wood fiber bundle form
Fig. 2 is along vertical finger spreading reorganization wood of reorganization material width tooth punching
Fig. 3 is along the dislocation finger recombination structure material of reorganization material width tooth punching
Fig. 4 is along vertical finger spreading reorganization wood of reorganization material thickness direction tooth punching
Fig. 5 is along the dislocation finger recombination structure material of reorganization material thickness direction tooth punching
The specific embodiment
Embodiment 1
With diameter is the small diameter grade eucalyptus timber of 5cm-10cm, be cut into the juggle of 250cm, through fiber separation, the wood fiber bundle that forms elongated diameter and be 2mm-3mm as shown in Figure 1, be placed in the drying kiln described wood fiber bundle dry, make its moisture content be controlled at 8%-11%, afterwards, be immersed in solid content and be in 15% the phenolic resin adhesive, dip time is 5min, take out to drench and do, its impregnation resin content is controlled at about 12%, it is in 50 ℃ of dry kilns that the wood fiber bundle after will flooding again is placed on temperature, it is about 12% that the wood fiber bundle of being with glue is dried to its moisture content, mating formation into length by the rift grain direction is 250cm, and width is 130cm, and thickness is the slab of 13cm-15cm, the slab that paves sent in the hot press adopt coldly to advance-coldly go out technology, hot pressing pressure is 3.5MPa, and hot pressing temperature is 170 ℃, and temperature retention time is 1.0mm/min.The setting thickness of undersized log reorganization wood is 32mm, and setting density is 1.0g/cm
3Through cutting edge, sanding, saw operation processing such as cut and grow into 250cm with described undersized log reorganization wood, and width is 25cm, and thickness is the strip wood reorganization wood of 30mm.
(2) finger
The two ends that above-mentioned strip wood reorganization is wooden are adopted along wooden width of reorganization and are machined into finger joint teeth, and its tooth is long to be 8mm, and tooth top width is 1mm, and tooth pitch is 3.5mm, and gradient is 1/7.Two component isocyanate adhesives are applied to the finger face equably, and resin added is 200g/m
2, 8 strip wood reorganization wood are by vertically composing the reorganization wood that length is vertical finger spreading of 20m, as shown in Figure 2.
(3) splicing
Two component isocyanate adhesives are applied to the upper and lower surface of the reorganization wood of described vertical finger spreading equably, and resin added is 200g/m
2, make the finger position form dislocation finger reorganization wood by vertical dislocation arrangement assembly, gummed by the rift grain direction in the reorganization wood of the vertical finger spreading behind 7 gluings, as shown in Figure 3 at thickness direction.
(4) post-processed
With described gummed back undersized log recombination structure wood through cutting edge, saw cut, operation such as sanding, being processed into length is 16m, width is 20cm, thickness is the dislocation finger recombination structure material of 20cm.
Embodiment 2
(1) preparation of reorganization wood
With poplar, make reorganization wood according to embodiment 1 technology.
(2) finger
The two ends that above-mentioned rectangular reorganization is wooden are adopted to be machined into along wooden thickness direction of reorganization and are referred to tie tooth, and tooth is long to be 25mm, and tooth top width is 4mm, and tooth pitch is 4mm, and gradient is 1/4.The resorcinol adhesive is applied to the finger face equably, and resin added is 150g/m
2, 8 rectangular reorganization wood are by vertically composing the reorganization wood that length is vertical finger spreading of 20m.
(3) splicing
The resorcinol adhesive is applied to the upper and lower surface of the reorganization wood of described vertical finger spreading equably, and resin added is 120g/m
2, make the finger position pile up, glue together and form dislocation finger reorganization wood by vertical dislocation by the rift grain direction in the reorganization wood of the vertical finger spreading behind 7 gluings, as shown in Figure 3 at thickness direction.
(4) post-processed
With described gummed back undersized log recombination structure wood through cutting edge, saw cut, operation such as sanding, being processed into length is 16m, width is 20cm, thickness is the dislocation finger recombination structure material of 20cm.
Claims (7)
1. finger recombination structure material misplaces, it is characterized in that: it comprises that the several layers of reorganization wood by vertical finger spreading form by rift grain direction assembly, gummed, described finger position is in the thickness direction arrangement that longitudinally misplaces, and the wood fiber bundle diameter of described reorganization wood is 1mm-5mm.
2. require 1 described dislocation finger recombination structure material according to profit, it is characterized in that: the box pin joint parameter at its finger position is: the long 8mm-45mm of tooth, and tooth top width 0.5mm-5mm, tooth pitch 1mm-6mm, gradient is 1/2-1/9.
3. require 1 described dislocation finger recombination structure material according to profit, it is characterized in that: its finger joint teeth is along the width tooth punching of reorganization wood.
4. require 1 described dislocation finger recombination structure material according to profit, it is characterized in that: its finger joint teeth is along the thickness direction tooth punching of reorganization wood.
5. require 1 described dislocation finger recombination structure material according to profit, it is characterized in that: the used adhesive of its reorganization wood is a phenolic resin adhesive.
6. require 1 described dislocation finger recombination structure material according to profit, it is characterized in that: the used adhesive of its finger face glue-line is two component isocyanate adhesives or resorcinol adhesive.
7. according to the described dislocation finger of claim 1 recombination structure material, it is characterized in that: the used adhesive of glue-line is two component isocyanate adhesives or resorcinol adhesive between the reorganization wood of vertical finger spreading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202798155U CN201856278U (en) | 2010-08-03 | 2010-08-03 | Dislocation finger joint recombined structural wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202798155U CN201856278U (en) | 2010-08-03 | 2010-08-03 | Dislocation finger joint recombined structural wood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201856278U true CN201856278U (en) | 2011-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202798155U Expired - Fee Related CN201856278U (en) | 2010-08-03 | 2010-08-03 | Dislocation finger joint recombined structural wood |
Country Status (1)
| Country | Link |
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| CN (1) | CN201856278U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231425A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Large-specification recombination composite structural wood and manufacturing method thereof |
| CN103231423A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Laminate bamboo radical fiber composite material and manufacturing method thereof |
| CN103231424A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Hollow bamboo based fiber composite structure materials and production method thereof |
| ES2574356A1 (en) * | 2014-12-16 | 2016-06-16 | Manuel PÉREZ ROMERO | Jointed structural connection to the front for flat tables, and method of construction (Machine-translation by Google Translate, not legally binding) |
-
2010
- 2010-08-03 CN CN2010202798155U patent/CN201856278U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231425A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Large-specification recombination composite structural wood and manufacturing method thereof |
| CN103231423A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Laminate bamboo radical fiber composite material and manufacturing method thereof |
| CN103231424A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Hollow bamboo based fiber composite structure materials and production method thereof |
| CN103231423B (en) * | 2013-04-25 | 2015-12-02 | 安徽宏宇竹木制品有限公司 | A kind of laminate bamboo radical fiber composite material and manufacture method thereof |
| CN103231425B (en) * | 2013-04-25 | 2016-08-31 | 安徽宏宇竹木制品有限公司 | A kind of Large-specification recombination composite structural wood and manufacture method thereof |
| ES2574356A1 (en) * | 2014-12-16 | 2016-06-16 | Manuel PÉREZ ROMERO | Jointed structural connection to the front for flat tables, and method of construction (Machine-translation by Google Translate, not legally binding) |
| WO2016097449A1 (en) * | 2014-12-16 | 2016-06-23 | Manuel Pérez Romero | Structural butt finger joint for flat boards |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20140803 |
|
| EXPY | Termination of patent right or utility model |