CN106272841A - A kind of manufacture method of special-shaped bamboo trunk - Google Patents
A kind of manufacture method of special-shaped bamboo trunk Download PDFInfo
- Publication number
- CN106272841A CN106272841A CN201610904670.5A CN201610904670A CN106272841A CN 106272841 A CN106272841 A CN 106272841A CN 201610904670 A CN201610904670 A CN 201610904670A CN 106272841 A CN106272841 A CN 106272841A
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- China
- Prior art keywords
- special
- bamboo
- trunk
- bamboo trunk
- thick bamboo
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
Abstract
The present invention is the manufacture method of a kind of special-shaped bamboo trunk, comprises the technical steps that: (1) circle thick bamboo tube high-temperature steam sofening treatment；(2) the compression sizing of thick bamboo tube is justified；(3) dryness finalization of special-shaped bamboo trunk.Advantages of the present invention: fresh or soaked the round thick bamboo tube of water and soften in the saturated vapor tank that temperature is 160～190 DEG C and carbonization a period of time, then by compression by its heat treatment, be dried in fixture the most again and cooling, just obtained required special-shaped bamboo trunk.Can keep the optimum structure intensity that circle bamboo is original, and its mechanical property be improved, this abnormal shape bamboo trunk also has good looking appearance, good stability of the dimension, possess anticorrosion, mothproof and mildew-resistant effect, therefore, it can as house ornamentation, construction material and artware material, be a kind of continuable recycling economy.
Description
Technical field
The present invention relates to the manufacture method of a kind of special-shaped bamboo trunk, belong to the bamboo processing technical field in timber industry.
Background technology
The marvellous structure that the cylindrical structure of bamboo wood is naturally occurring, the equal strength in this structural composites mechanics sets
Meter principle, can use as structural wood, and such as the bamboo tower of Yunnan the Dai nationality, main use circle bamboo builds up.The outer layer of bamboo wood is fine and close
Intensity is high, is preferable structural material and ornament materials.Circular thick bamboo tube is processed in the case of hot mastication square, long
The profiled-cross-section such as square and oval, is the new way of circle bamboo processing and utilization as house ornamentation, construction material and artware material.
The bamboo resource integrated distribution of China 14 provinces, municipalities and autonomous regions on the south the Changjiang river.China's bamboo grove area and bamboo wood
Yield by nineteen fifty 1300000 hectares and 1,600,000 tons, increases to 538.1 ten thousand hectares and 16.44 hundred million of 2011.China has
Area the widest Phyllostachys pubescens Mazei ex H.de Lebaie, and the bamboo wood such as Dendrocalamus sinicus, Dendrocalamus giganteus Munro of big footpath level, Yunnan sinocalamus latiflorus, lobule Dendrocalamus giganteus Munro etc., these bamboo woods
Bamboo stem is thick logical straight, and bar is high 30 meters, diameter 20～30cm, internode length 17～22cm, and these bamboo woods the most suitably manufacture structure and use bamboo
Pipe.
Use round thick bamboo tube that is fresh or that soaked water, through high-temperature steam 10～the fast softening of 30 minutes, then by pressure
Contracting, by its heat treatment, is dried in fixture and cooling the most again, has just obtained required special-shaped bamboo trunk, this is because through too high
The thick bamboo tube that temperature steam processes can allow thick bamboo tube be prone to compression and sizing, and free from flaw when dry, can keep round bamboo original
Good structural strength, and its mechanical property is improved, the structure of outer layer densification makes entomogenous fungi etc. not enter；By quick high temperature
After steam processes, the nutrient substance of the applicable entomogenous fungi growth in bamboo wood is decomposed, and its equilibrium moisture content is relatively low, so its chi
Very little good stability, inherently has anticorrosion, mothproof and mildew-resistant effect, can be a kind of as house ornamentation, building and artwork
Continuable recycling economy.
Along with socioeconomic development and the increase of population, global environment pressure strengthens, national governments and the environment of the people
Consciousness strengthen, it is understood that the importance of ecological circulation, bamboo has once afforests successfully, subterraneous stem can every year row whip, go out Radix Crotalariae szemoensis,
Well-thought-out plan, cuts selectively every year, life and growth in nature, continuous utilization.Rapidly, growth cycle is short in bamboo growth.It is unearthed to bamboo stem form from bamboo sprout
Formation, it is only necessary to 50-60 days.As Phyllostachys pubescens Mazei ex H.de Lebaie, large-scale Scattered bamboos bamboo stem is reached maturity only needed for 4～5 years, Cluster Bamboo (as
Dendrocalamus sinicus etc.) bamboo stem maturation time is shorter, and about 2～3 years.Bamboo wood has the sustainability of the utilization of resources, does not destroy forest money
Source.
Summary of the invention
What the present invention proposed is the manufacture method of a kind of special-shaped bamboo trunk, and its purpose is intended to utilize the hollow intensity of thick bamboo tube high
Innate advantage, by first softening it and carbonization in high-temperature steam, then by compression by its heat treatment, the most again at fixture
In be dried and cooling, just obtained required special-shaped bamboo trunk.First by fresh or soaked the round thick bamboo tube of water temperature be 140～
In the saturated vapor tank of 180 DEG C, utilizing quickly heating and the damp and hot heat treatment of high-temperature steam, now hemicellulose is the highest
Under temperature and humidity, hydrolysis and pyrolysis rapidly, reaches short time efficient carbonization and softens (higher than lignin and the glass of hemicellulose
Change temperature) purpose.After high-temperature heat treatment, hemicellulose and the glass transition temperature of lignin in bamboo wood reduce,
When bamboo trunk sizing is dried, being dried under higher than this vitrification point, the dry shrinkage of bamboo trunk does not results in cracking, special-shaped bamboo trunk
Free from flaw can be reached be dried.Special-shaped bamboo trunk now has possessed good stability of the dimension and the high advantage of intensity, is provided simultaneously with preventing
Rotten, mothproof and mildew-resistant effect, therefore, this special-shaped bamboo trunk invention is a kind of continuable recycling economy.
The technical solution of the present invention: the manufacture method of a kind of special-shaped bamboo trunk, comprises the technical steps that:
(1) thick bamboo tube high-temperature steam sofening treatment is justified；
(2) the compression sizing of thick bamboo tube is justified；
(3) dryness finalization of special-shaped bamboo trunk.
Advantages of the present invention: fresh or to soak the round thick bamboo tube of water soft in the saturated vapor tank that temperature is 140～180 DEG C
Change and carbonization a period of time, then by compression by its heat treatment, be dried in fixture the most again and cooling, just obtained required
Special-shaped bamboo trunk.This abnormal shape bamboo trunk has good looking appearance, and intensity is high, good stability of the dimension, possesses anticorrosion, mothproof and mildew-resistant merit
Effect, therefore, it can as house ornamentation, construction material and artware material, is a kind of continuable recycling economy.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic cross-section of special-shaped thick bamboo tube.
In figure, A is square sectional；B rectangular cross-sectional；C is elliptic cross-section.
Detailed description of the invention
The manufacture method of a kind of special-shaped bamboo trunk, comprises the technical steps that:
(1) thick bamboo tube high-temperature steam sofening treatment is justified；A diameter of 30～300mm fresh or soaked the round thick bamboo tube of water, on request
Being cut into 30～3000mm long thick bamboo tubes, joint, every being punched from two ends, is 140～180 DEG C of high-temperature steams by being passed through temperature in tank, rises
Being incubated 15～40 minutes after temperature, circle thick bamboo tube has softened and carbonization, now stops logical steam, drain tap is crack, in making tank
Steam is slowly discharged, until steam is all discharged in tank；
(2) the compression sizing of thick bamboo tube is justified；The thick bamboo tube crossed by sofening treatment takes out, and by multi-varying section is the most at its elevated temperature
By the compression device progressively compressed, described multi-varying section is made up of the rotating pressure roller of multiple combination of two, on this pressure roller
Concave surface just with compacting cross sectional shape match, thick bamboo tube is just fixed to profiled-cross-section when longitudinally through rotating pressure roller
Bamboo trunk, then fix with the fixture of supporting band spring；
(3) dryness finalization of special-shaped bamboo trunk, by the bamboo trunk of carrying jig, is dried through 85～120 DEG C of temperature, is dried by its moisture content
To less than 10%, keeping bamboo trunk free from flaw when being dried, the fixture of band spring guarantees to be clamped by the bamboo trunk of drying shrinkage all the time；Bamboo green layer is protected
Stay or by circular knife, its bamboo green layer is scraped off, or while going green grass or young crops, use the method staying green grass or young crops that its top layer is engraved as picture, increase
It is attractive in appearance, is finally polished on its top layer with sand, removes its burr, and by its edge chamfering;Obtain prismatic length of requirement
Square bamboo trunk.
The dryness finalization of the special-shaped bamboo trunk of described step (3) processes thick bamboo tube a diameter of 40～300mm, height be 30～
3000mm。
The cross sectional shape of special-shaped bamboo trunk is square, rectangle or elliptical shape.
Embodiment, the manufacture method of a kind of special-shaped bamboo trunk is as follows:
(1) thick bamboo tube high-temperature steam sofening treatment is justified, the fresh round thick bamboo tube of a diameter of 100mm, it is cut into the long thick bamboo tube of 1000mm on request,
Joint is every being punched from two ends.Being 170 DEG C of high-temperature steams by being passed through temperature in tank, be incubated 20 minutes after intensification, circle thick bamboo tube is the softest
Change and carbonization, now stop logical steam, drain tap is crack, make the steam in tank slowly discharge, until steam is whole in tank
Discharge；
(2) justifying the compression sizing of thick bamboo tube, the thick bamboo tube crossed by sofening treatment takes out, passes through multi-varying section the most at its elevated temperature
The compression device of (progressively compression), this multi-varying section is made up of the rotating pressure roller of multiple combination of two, and thick bamboo tube is the most logical
Just shaped when crossing rotating pressure roller the bamboo trunk of rectangular cross-sectional, then fixed with the fixture of supporting band spring；
(3) dryness finalization of special-shaped bamboo trunk, by the bamboo trunk of carrying jig, dries through 95 DEG C of temperature, its moisture content is dried to 10%
Hereinafter, keeping bamboo trunk free from flaw when being dried, the fixture of band spring guarantees to be clamped by the bamboo trunk of drying shrinkage all the time；Bamboo green layer (mainly wraps
Include exocuticle, endepidermis and three kinds of difform cellularities of endodermis) can retain, it is also possible to by circular knife, its bamboo is blue or green
Layer scrapes off, and also can use the method staying green grass or young crops that its top layer is engraved as picture, increase it attractive in appearance while going green grass or young crops.Finally use sand
Is polished in its top layer, remove its burr, and by its edge chamfering.Just obtain prismatic rectangle bamboo trunk of requirement.
Claims (6)
1. a manufacture method for special-shaped bamboo trunk, is characterized in that comprising the technical steps that:
(1) thick bamboo tube high-temperature steam sofening treatment is justified；
(2) the compression sizing of thick bamboo tube is justified；
(3) dryness finalization of special-shaped bamboo trunk.
The manufacture method of a kind of special-shaped bamboo trunk, is characterized in that described step (1) circle thick bamboo tube high temperature
Steam sofening treatment, a diameter of 30～300mm fresh or soaked the round thick bamboo tube of water, it is cut into 30～3000mm long bamboos on request
Cylinder, joint, every being punched from two ends, is 140～180 DEG C of high-temperature steams by being passed through temperature in tank, is incubated 15～40 points after intensification
Clock, circle thick bamboo tube has softened and carbonization, now stops logical steam, and drain tap is crack, makes the steam in tank slowly discharge, until
In tank, steam is all discharged.
The manufacture method of a kind of special-shaped bamboo trunk the most according to claim 1, is characterized in that described step (2) circle thick bamboo tube
Compression sizing, the thick bamboo tube crossed by sofening treatment takes out, the most at its elevated temperature by multi-varying section i.e. by progressively compressing
Compression device, described multi-varying section is made up of the rotating pressure roller of multiple combination of two, the concave surface on this pressure roller just with pressure
The cross sectional shape of system matches, and thick bamboo tube is just fixed to the bamboo trunk of profiled-cross-section when longitudinally through rotating pressure roller, then uses
The fixture of supporting band spring is fixed.
The manufacture method of a kind of special-shaped bamboo trunk the most according to claim 1, is characterized in that the special-shaped bamboo trunk of described step (3)
Dryness finalization, by the bamboo trunk of carrying jig, be dried through 85～120 DEG C of temperature, its moisture content be dried to less than 10%, be dried
Time keep bamboo trunk free from flaw, the fixture of band spring guarantees the bamboo trunk of drying shrinkage to be clamped all the time；Bamboo green layer retains or will by circular knife
Its bamboo green layer scrapes off, or while going green grass or young crops, uses the method staying green grass or young crops that its top layer is engraved as picture, increases that it is attractive in appearance, finally uses
Being polished in its top layer by sand, removes its burr, and by its edge chamfering;Obtain prismatic rectangle bamboo trunk of requirement.
The manufacture method of a kind of special-shaped bamboo trunk the most according to claim 1, it is characterized in that processing thick bamboo tube a diameter of 40～
300mm, height is 30～3000mm.
The manufacture method of a kind of special-shaped bamboo trunk the most according to claim 1, is characterized in that the cross sectional shape of special-shaped bamboo trunk is
Square, rectangle or elliptical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904670.5A CN106272841A (en) | 2016-10-18 | 2016-10-18 | A kind of manufacture method of special-shaped bamboo trunk |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904670.5A CN106272841A (en) | 2016-10-18 | 2016-10-18 | A kind of manufacture method of special-shaped bamboo trunk |
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| Publication Number | Publication Date |
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| CN106272841A true CN106272841A (en) | 2017-01-04 |
Family
ID=57718437
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| CN201610904670.5A Pending CN106272841A (en) | 2016-10-18 | 2016-10-18 | A kind of manufacture method of special-shaped bamboo trunk |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926326A (en) * | 2017-03-17 | 2017-07-07 | 南京林业大学 | A kind of manufacture method of the thickness and variable-section thick bamboo tube such as |
| CN106985232A (en) * | 2017-04-28 | 2017-07-28 | 凯里经济开发区大溪鸟笼工艺品农民专业合作社 | A kind of birdcage and its manufacture craft |
| CN107457862A (en) * | 2017-09-26 | 2017-12-12 | 阜南县腾祥工艺品有限公司 | A kind of softening method for improving bamboo wood softening quality |
| CN109866293A (en) * | 2019-03-22 | 2019-06-11 | 南京林业大学 | A kind of end standardization manufacturing method of round bamboo component |
| CN110181637A (en) * | 2019-05-23 | 2019-08-30 | 南京林业大学 | A method of reducing timber band shrinkage |
| CN111055358A (en) * | 2019-12-18 | 2020-04-24 | 董舰泽 | Deep processing treatment process of building bamboo wood with durability |
| US11318635B2 (en) * | 2019-04-10 | 2022-05-03 | Nanjing Forestry University | Bamboo strip shaping device and method |
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| CN1053767A (en) * | 1991-04-01 | 1991-08-14 | 许忠修 | Bentwood furniture |
| JPH0957714A (en) * | 1995-06-14 | 1997-03-04 | Tanakamasakatsu Kenchiku Sekkei Jimusho:Kk | Laminated material of bamboo for structure and its manufacture |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926326A (en) * | 2017-03-17 | 2017-07-07 | 南京林业大学 | A kind of manufacture method of the thickness and variable-section thick bamboo tube such as |
| CN106926326B (en) * | 2017-03-17 | 2019-02-12 | 南京林业大学 | A kind of manufacturing method of equal thickness and variable-sections thick bamboo tube |
| CN106985232A (en) * | 2017-04-28 | 2017-07-28 | 凯里经济开发区大溪鸟笼工艺品农民专业合作社 | A kind of birdcage and its manufacture craft |
| CN107457862A (en) * | 2017-09-26 | 2017-12-12 | 阜南县腾祥工艺品有限公司 | A kind of softening method for improving bamboo wood softening quality |
| CN109866293A (en) * | 2019-03-22 | 2019-06-11 | 南京林业大学 | A kind of end standardization manufacturing method of round bamboo component |
| US11318635B2 (en) * | 2019-04-10 | 2022-05-03 | Nanjing Forestry University | Bamboo strip shaping device and method |
| CN110181637A (en) * | 2019-05-23 | 2019-08-30 | 南京林业大学 | A method of reducing timber band shrinkage |
| CN111055358A (en) * | 2019-12-18 | 2020-04-24 | 董舰泽 | Deep processing treatment process of building bamboo wood with durability |
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