CN107030808A - A kind of production method of bamboo plywood - Google Patents
A kind of production method of bamboo plywood Download PDFInfo
- Publication number
- CN107030808A CN107030808A CN201710317686.0A CN201710317686A CN107030808A CN 107030808 A CN107030808 A CN 107030808A CN 201710317686 A CN201710317686 A CN 201710317686A CN 107030808 A CN107030808 A CN 107030808A
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- China
- Prior art keywords
- bamboo
- plate
- plywood
- production method
- fiber bundle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention discloses a kind of production method of bamboo plywood, comprise the following steps:(1) fresh bamboo is taken;(2) bamboo chip is squeezed by roll-in crusher, bamboo chip is become bamboo fiber bundle, be then dried, dry the moisture content to bamboo fibre below 10%;(3) bamboo fiber bundle is immersed in viscose glue mixture, removes the viscose glue mixture of bamboo fibre excess surface, then bamboo fiber bundle is dried;(4) by bamboo fibre veneer and wood single-plate stacking group embryo, surface layer is to be composited from top to bottom by multilayer bamboo fibre veneer is overlapping inside wood single-plate, plate embryo above and below plate embryo, and two pieces of adjacent bamboo fibre veneers arrange for vertical texture direction;(5) bamboo clappers after group embryo is subjected to precompressed, then carries out hot rolling;(6) after the completion of hot rolling, bamboo clappers superposition is displayed, obtains bamboo plywood finished product by cooling.The bamboo plywood that the inventive method is prepared comes unglued, and rate is low, and timber intensity is high.Preparation technology is simple, it is easy to implements and grasps, improves production efficiency.
Description
Technical field
The present invention relates to glued board field, more particularly to a kind of production method of bamboo plywood form.
Background technology
Bamboo plywood is to decide to want framework and packing material with mao bamboon material, through high pressure into base building materials.Bamboo wood intensity is big,
Toughness, rigidity and anti-wear performance are good, can be used as excellent structural timber.The bamboo plywood mould manufactured by raw material of bamboo wood
Plate has good bending strength and rigidity, and overall structure is good, and breadth is big, easy to loading and unloading, and the demoulding is easy, and efficiency of construction is high,
With excellent technical qualities and economic benefit.But the existing preparation technology for preparing bamboo plywood many, technique hand-manipulated is multiple
Miscellaneous, production efficiency is low, the bamboo plywood low intensity prepared.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of production method of bamboo plywood form, so that overcome production efficiency low,
The not high shortcoming of the bamboo plywood intensity for preparing.
To achieve the above object, the invention provides a kind of production method of bamboo plywood, comprise the following steps:
(1) fresh bamboo is taken, fresh bamboo surface bamboo green grass or young crops is removed, then raw bamboo is cutd open into fresh bamboo internal layer is removed after 3-5 pieces, dissection
The membrane portions of tabasheer and ring;
(2) bamboo chip is squeezed by roll-in crusher, bamboo chip is become bamboo fiber bundle, be then dried, dried fine to bamboo
The moisture content of dimension is below 10%;
(3) bamboo fiber bundle is immersed in viscose glue mixture, removes the viscose glue mixture of bamboo fibre excess surface, then by bamboo fiber bundle
Dried;
(4) by bamboo fibre veneer and wood single-plate stacking group embryo, surface layer is from upper inside wood single-plate, plate embryo above and below plate embryo
And under be composited by multilayer bamboo fibre veneer is overlapping, two pieces of adjacent bamboo fibre veneers are the arrangement of vertical texture direction;
(5) bamboo clappers after group embryo is subjected to precompressed, then carries out hot rolling;
(6) after the completion of hot rolling, bamboo clappers superposition is displayed, obtains bamboo plywood finished product by cooling.
Preferably, in above-mentioned technical proposal, viscose glue mixture is phenolic resin viscose glue mixture, impregnation resin content in the step (3)
For the 6-9% of bamboo fiber bundle dry mass.
Preferably, in above-mentioned technical proposal, bamboo fibre drying is in the condition that temperature is 50-60 DEG C in the step (3)
Under, drying to moisture content is 9-12%.
Preferably, in above-mentioned technical proposal, the wood single-plate in the step (4) is Eucalyptus plate, Liu An planks or poplar
One kind in plate.
Preferably, in above-mentioned technical proposal, the number of plies of bamboo fibre veneer is 2-11 layers inside plate embryo in the step (4).
Preferably, in above-mentioned technical proposal, precompressed is first in normal temperature, unit pressure 1-2MPa bar in the step (5)
Under part, cold pressing treatment 20-50min.
Preferably, in above-mentioned technical proposal, hot rolling is that pressure is 3-6MPa in 120-150 DEG C of temperature in the step (5)
Under conditions of, the hot rolling time is 1.2-1.5mm/min.
Preferably, in above-mentioned technical proposal, display bamboo plywood being cooled to temperature for 40- in the step (6)
50 DEG C, bamboo plywood is inserted in the quenched environment of damping and carries out wet-heat durability, displayed more than 15 days, bamboo plywood is controlled after displaying
Moisture content be 10-12%.
Compared with prior art, the present invention has the advantages that:The production method of bamboo plywood of the present invention, by bamboo clappers
Be crushed to obtain bamboo fiber bundle, then by carry out group embryo after bamboo fiber bundle impregnation, it is hot rolled after, the viscose glue mixture in bamboo fiberboard melts
Change, bamboo fiber bundle is mutually bonded together, form the bamboo clappers of an entirety, the bulk strength of sheet material can be improved.Present invention side
The bamboo plywood that method is prepared comes unglued, and rate is low, and timber intensity is high.Preparation technology is simple, it is easy to implements and grasps, improves production
Efficiency.
Embodiment
With reference to specific embodiment, the embodiment to the present invention is described in detail, it is to be understood that this hair
Bright protection domain is not limited by embodiment.
Embodiment 1
A kind of production method of bamboo plywood, comprises the following steps:
(1) fresh bamboo is taken, fresh bamboo surface bamboo green grass or young crops is removed, then raw bamboo is cutd open into fresh bamboo internal layer is removed after 3-5 pieces, dissection
The membrane portions of tabasheer and ring;
(2) bamboo chip is squeezed by roll-in crusher, bamboo chip is become bamboo fiber bundle, be then dried, dried fine to bamboo
The moisture content of dimension is 8%;
(3) bamboo fiber bundle is immersed in viscose glue mixture, removes the viscose glue mixture of bamboo fibre excess surface, middle viscose glue mixture is
Phenolic resin viscose glue mixture, impregnation resin content is the 6-9% of bamboo fiber bundle dry mass.Bamboo fiber bundle is dried again;Dry for
Temperature is under conditions of 50-60 DEG C, drying to moisture content is 10%.
(4) by bamboo fibre veneer and wood single-plate stacking group embryo, surface layer is wood single-plate above and below plate embryo, and wood single-plate is eucalyptus
Plank.It is composited from top to bottom by 7 layers of bamboo fibre veneer are overlapping inside embryo, two pieces of adjacent bamboo fibre veneers are vertical texture
Direction is arranged;
(5) bamboo clappers after group embryo is subjected to precompressed, precompressed under conditions of normal temperature, unit pressure 1.5MPa, is cold-pressed to be first
Handle 30min.Carry out hot rolling again, hot rolling is that, in 140 DEG C of temperature, under conditions of pressure is 5MPa, the hot rolling time is 1.2-
1.5mm/min。
(6) after the completion of hot rolling, temperature is cooled to for 45 DEG C, bamboo clappers superposition is inserted damp and hot put down is carried out in the quenched environment of damping
Weighing apparatus, is displayed 20 days, and the moisture content that bamboo plywood is controlled after displaying is 11%, obtains bamboo plywood finished product.
Embodiment 2
A kind of production method of bamboo plywood, comprises the following steps:
(1) fresh bamboo is taken, fresh bamboo surface bamboo green grass or young crops is removed, then raw bamboo is cutd open into fresh bamboo internal layer is removed after 3-5 pieces, dissection
The membrane portions of tabasheer and ring;
(2) bamboo chip is squeezed by roll-in crusher, bamboo chip is become bamboo fiber bundle, be then dried, dried fine to bamboo
The moisture content of dimension is 10%;
(3) bamboo fiber bundle is immersed in viscose glue mixture, removes the viscose glue mixture of bamboo fibre excess surface, middle viscose glue mixture is
Phenolic resin viscose glue mixture, impregnation resin content is the 6-9% of bamboo fiber bundle dry mass.Bamboo fiber bundle is dried again;Dry for
Temperature is under conditions of 50-60 DEG C, drying to moisture content is 12%.
(4) by bamboo fibre veneer and wood single-plate stacking group embryo, surface layer is wood single-plate above and below plate embryo, and wood single-plate is willow
Eucalyptus plate.It is composited from top to bottom by 7 layers of bamboo fibre veneer are overlapping inside plate embryo, two pieces of adjacent bamboo fibre veneers are vertical
Grain direction is arranged;
(5) bamboo clappers after group embryo is subjected to precompressed, precompressed is first under conditions of normal temperature, unit pressure 1MPa, at cold pressing
Manage 50min.Carry out hot rolling again, hot rolling is that, in 120 DEG C of temperature, under conditions of pressure is 6MPa, the hot rolling time is 1.2-1.5mm/
min。
(6) after the completion of hot rolling, temperature is cooled to for 40 DEG C, bamboo clappers superposition is inserted damp and hot put down is carried out in the quenched environment of damping
Weighing apparatus, is displayed 15 days, and the moisture content that bamboo plywood is controlled after displaying is 12%, obtains bamboo plywood finished product.
Embodiment 3
A kind of production method of bamboo plywood, comprises the following steps:
(1) fresh bamboo is taken, fresh bamboo surface bamboo green grass or young crops is removed, then raw bamboo is cutd open into fresh bamboo internal layer is removed after 3-5 pieces, dissection
The membrane portions of tabasheer and ring;
(2) bamboo chip is squeezed by roll-in crusher, bamboo chip is become bamboo fiber bundle, be then dried, dried fine to bamboo
The moisture content of dimension is 9%;
(3) bamboo fiber bundle is immersed in viscose glue mixture, removes the viscose glue mixture of bamboo fibre excess surface, middle viscose glue mixture is
Phenolic resin viscose glue mixture, impregnation resin content is the 6-9% of bamboo fiber bundle dry mass.Bamboo fiber bundle is dried again;Dry for
Temperature is under conditions of 50-60 DEG C, drying to moisture content is 9%.
(4) by bamboo fibre veneer and wood single-plate stacking group embryo, surface layer is wood single-plate above and below plate embryo, and wood single-plate is poplar
Plank.It is composited from top to bottom by 7 layers of bamboo fibre veneer are overlapping inside plate embryo, two pieces of adjacent bamboo fibre veneers are vertical line
Manage direction arrangement;
(5) bamboo clappers after group embryo is subjected to precompressed, precompressed is first under conditions of normal temperature, unit pressure 2MPa, at cold pressing
Manage 20min.Carry out hot rolling again, hot rolling is that, in 150 DEG C of temperature, under conditions of pressure is 3MPa, the hot rolling time is 1.2-1.5mm/
min。
(6) after the completion of hot rolling, be cooled to temperature for 40-50 DEG C, bamboo clappers superposition is inserted carried out in the quenched environment of damping it is wet
Thermal balance, is displayed 20 days, and the moisture content that bamboo plywood is controlled after displaying is 10%, obtains bamboo plywood finished product.
Embodiment 4
A kind of production method of bamboo plywood, comprises the following steps:
(1) fresh bamboo is taken, fresh bamboo surface bamboo green grass or young crops is removed, then raw bamboo is cutd open into fresh bamboo internal layer is removed after 3-5 pieces, dissection
The membrane portions of tabasheer and ring;
(2) bamboo chip is squeezed by roll-in crusher, bamboo chip is become bamboo fiber bundle, be then dried, dried fine to bamboo
The moisture content of dimension is 8%;
(3) bamboo fiber bundle is immersed in viscose glue mixture, removes the viscose glue mixture of bamboo fibre excess surface, middle viscose glue mixture is
Phenolic resin viscose glue mixture, impregnation resin content is the 6-9% of bamboo fiber bundle dry mass.Bamboo fiber bundle is dried again;Dry for
Temperature is under conditions of 50-60 DEG C, drying to moisture content is 10%.
(4) by bamboo fibre veneer and wood single-plate stacking group embryo, surface layer is wood single-plate above and below plate embryo, and wood single-plate is eucalyptus
Plank.It is composited from top to bottom by 7 layers of bamboo fibre veneer are overlapping inside plate embryo, two pieces of adjacent bamboo fibre veneers are vertical line
Manage direction arrangement;
(5) bamboo clappers after group embryo is subjected to precompressed, precompressed under conditions of normal temperature, unit pressure 1.5MPa, is cold-pressed to be first
Handle 30min.Carry out hot rolling again, hot rolling is that, in 140 DEG C of temperature, under conditions of pressure is 5MPa, the hot rolling time is 1.2-
1.5mm/min。
(6) after the completion of hot rolling, temperature is cooled to for 45 DEG C, is displayed 20 days under normal temperature, is obtained bamboo plywood finished product.
Bamboo plywood finished product made from embodiment 1-4 is detected that finished product measurement result is as shown in table 1 according to standard.
The different plates testing result table of table 1
As shown in table 1, the bamboo plywood Qu Qiang more quiet than the bamboo plywood that prior art is produced that the inventive method is produced
Degree is big, rate of coming unglued is low and moisture content is low, and product quality is high and stably.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of production method of bamboo plywood, it is characterised in that comprise the following steps:
(1) fresh bamboo is taken, fresh bamboo surface bamboo green grass or young crops is removed, then raw bamboo is cutd open into the tabasheer that fresh bamboo internal layer is removed after 3-5 pieces, dissection
With the membrane portions of ring;
(2) bamboo chip is squeezed by roll-in crusher, bamboo chip is become bamboo fiber bundle, be then dried, dried to bamboo fibre
Moisture content is below 10%;
(3) bamboo fiber bundle is immersed in viscose glue mixture, removes the viscose glue mixture of bamboo fibre excess surface, then bamboo fiber bundle is carried out
Drying;
(4) by bamboo fibre veneer and wood single-plate stacking group embryo, surface layer is wood single-plate above and below plate embryo, inside plate embryo from top to bottom
It is composited by multilayer bamboo fibre veneer is overlapping, two pieces of adjacent bamboo fibre veneers arrange for vertical texture direction;
(5) bamboo clappers after group embryo is subjected to precompressed, then carries out hot rolling;
(6) after the completion of hot rolling, bamboo clappers superposition is displayed, obtains bamboo plywood finished product by cooling.
2. the production method of bamboo plywood according to claim 1, it is characterised in that viscose glue mixture in the step (3)
For phenolic resin viscose glue mixture, impregnation resin content is the 6-9% of bamboo fiber bundle dry mass.
3. the production method of bamboo plywood according to claim 1, it is characterised in that bamboo fibre dries in the step (3)
Do to be that under conditions of 50-60 DEG C, drying to moisture content is 9-12% in temperature.
4. the production method of bamboo plywood according to claim 1, it is characterised in that the timber list in the step (4)
Plate is one kind in Eucalyptus plate, Liu An planks or poplar plate.
5. the production method of bamboo plywood according to claim 1, it is characterised in that in the step (4) inside plate embryo
The number of plies of bamboo fibre veneer is 2-11 layers.
6. the production method of bamboo plywood according to claim 1, it is characterised in that precompressed is first in the step (5)
Under conditions of normal temperature, unit pressure 1-2MPa, cold pressing treatment 20-50min.
7. the production method of bamboo plywood according to claim 1, it is characterised in that in the step (5) hot rolling be
120-150 DEG C of temperature, pressure is under conditions of 3-6MPa, the hot rolling time is 1.2-1.5mm/min.
8. the production method of bamboo plywood according to claim 1, it is characterised in that in the step (6) display for,
Bamboo plywood is cooled to temperature for 40-50 DEG C, bamboo plywood is inserted in the quenched environment of damping and carries out wet-heat durability, 15 are displayed
More than it, the moisture content that bamboo plywood is controlled after displaying is 10-12%.
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CN201710317686.0A CN107030808A (en) | 2017-05-08 | 2017-05-08 | A kind of production method of bamboo plywood |
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CN201710317686.0A CN107030808A (en) | 2017-05-08 | 2017-05-08 | A kind of production method of bamboo plywood |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110126395A (en) * | 2019-05-30 | 2019-08-16 | 河南农业大学 | A kind of preparation method of bio-composite sheet |
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CN102172940A (en) * | 2011-01-30 | 2011-09-07 | 浙江仕强竹业有限公司 | Method for producing high-density recombined wood |
CN105128097A (en) * | 2015-06-16 | 2015-12-09 | 凤阳九龙新型建材有限公司 | Production method for bamboo plywood |
CN105196368A (en) * | 2015-08-28 | 2015-12-30 | 国家***竹子研究开发中心 | Manufacturing method of bamboo-wood composite laminated timber |
-
2017
- 2017-05-08 CN CN201710317686.0A patent/CN107030808A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2795106Y (en) * | 2005-06-15 | 2006-07-12 | 滕召华 | Bamtoo-wood composite container floor |
CN102172940A (en) * | 2011-01-30 | 2011-09-07 | 浙江仕强竹业有限公司 | Method for producing high-density recombined wood |
CN105128097A (en) * | 2015-06-16 | 2015-12-09 | 凤阳九龙新型建材有限公司 | Production method for bamboo plywood |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110126395A (en) * | 2019-05-30 | 2019-08-16 | 河南农业大学 | A kind of preparation method of bio-composite sheet |
CN110126395B (en) * | 2019-05-30 | 2021-04-13 | 河南农业大学 | Preparation method of biological composite board |
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Application publication date: 20170811 |