CN203045916U - Original-state whole-bamboo refined defibering and reorganizing laminated veneer lumber - Google Patents

Original-state whole-bamboo refined defibering and reorganizing laminated veneer lumber Download PDF

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Publication number
CN203045916U
CN203045916U CN 201320055694 CN201320055694U CN203045916U CN 203045916 U CN203045916 U CN 203045916U CN 201320055694 CN201320055694 CN 201320055694 CN 201320055694 U CN201320055694 U CN 201320055694U CN 203045916 U CN203045916 U CN 203045916U
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China
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bamboo
defibering
refined
meticulous
original
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CN 201320055694
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Chinese (zh)
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孙晓东
丁定安
何合高
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湖南省林业科学院
何合高
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Priority to CN 201320055694 priority Critical patent/CN203045916U/en
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Abstract

The utility model discloses an original-state whole-bamboo refined defibering and reorganizing laminated veneer lumber and a production process method. The original-state whole-bamboo refined defibering and reorganizing laminated veneer lumber and the production process method comprise the following steps: firstly original-state arc-shaped bamboo chips are conducted refined roller splitting defibering rolling and unfolding by a machine and then form planar trapezoidal bamboo pieces in which longitudinal bamboo filaments are transversely connected in a strip mode, thickness of the block pieces is almost identical, and the width of the bamboo pieces gradually changes from one ends to the other ends; then the planar trapezoidal bamboo pieces are placed in a mode that wide ends and narrow ends of two adjacent planar trapezoidal bamboo pieces are placed in an alternated mode along the width direction at the same ends, the upper surfaces or the lower surfaces of the two adjacent planar trapezoidal bamboo pieces are all bamboo green surfaces or tabasheer surfaces and form an integrated board after being bonded with glue, and then a refined defibering bamboo filament piece single-layer board is formed; at least two layers of the refined defibering bamboo filament piece single-layer boards are overlaid in a layering mode, in two adjacent layers of the refined defibering bamboo filament piece single-layer boards, bamboo greens and the bamboo green surfaces are abutted, or tabasheers and the tabasheer surfaces are abutted, and the two adjacent layers of the refined defibering bamboo filament piece single-layer boards are bonded with adhesive composition and hot pressed to form an integrate body; and the original-state whole-bamboo refined defibering and reorganizing laminated veneer lumber is obtained. The original-state whole-bamboo refined defibering and reorganizing laminated veneer lumber and the production process method can maintain bamboo wood entity stock, reduce cutting quantity, and exert mechanical characteristics of original bamboo woods.

Description

The whole bamboo of ortho states becomes more meticulous and discongests the reorganization laminated timber
Technical field
The utility model belongs to the bamboo board production technical field, and being specifically related to a kind of is that the whole bamboo of raw-material ortho states becomes more meticulous and discongests reorganization laminated timber and manufacturing technique method with mao bamboon.
Background technology
The existing bamboo processing process that realizes suitability for industrialized production all is by bamboo processing being become bamboo bar or the thin bamboo strips used for weaving of certain specification.So just must remove the triangle surplus of arc shape bamboo piece surf green tabasheer layer and both sides, about 45% of loss bamboo material, and manufacturing procedure is many, and equipment investment is big, and expenses of labour consumes big, and raw material utilize low, energy consumption height, processing cost height.And recently, a kind of high density recombined material is arranged, be that the method for bamboo wood reorganization reinforcement moulding is produced, this recombining bamboo bamboo green layer bamboo wood of no use, only use the bamboo wood tabasheer sheet of tabasheer layer, earlier the tabasheer sheet is twisted with the fingers and be pressed into bamboo sheet, vertical irregular shop is pressed in the pressing mold tool or in the hot press compacting and is formed behind impregnation.The acute angle that this vertically irregular lay at random produces many bamboo sheets intersects superimposed, and there are many hole seams that do not pass through the centre, and high-pressure metapore seam can reduce by compression, but still is present in the recombining bamboo.Have in the seam of these holes and be difficult to escaping gas, moisture content, hole seam and on every side gel content and inhomogeneous, the position that has is very closely knit, dredge at the position that has pine, global density is inhomogeneous, and density is excessive, unit raw materials consumption height, thickness swelling rate is big, the following process difficulty is big, moreover this material do not have the bamboo green layer material, only has only the integrated of tabasheer layer material, its physico mechanical characteristic does not have the good of the whole bamboo wood of ortho states, does not namely keep the mechanical property of former bamboo wood.Above-mentioned various reasons causes the internal stress of this recombining bamboo big, yielding, and dimensional stability is bad, and weatherability is poor, and former bamboo wood mechanical property does not obtain performance, and the unit cost height is necessary to do further to improve and improve.
And bamboo woods such as " former bamboo is launched the reorganization laminated timber to cuing open the connection silk " of report, " bamboo wood launches the logging of reorganization layer " launch the bamboo chip of reorganization material or the processing method of bamboo piece in the recent period, milling processing behind the bamboo wood expanding, reduce cutting at the bamboo wood thickness direction, preserved the bamboo wood quantity of goods produced, saved bamboo wood.But, bamboo chip or bamboo piece have still been carried out fixed thick, Fixed width milling cutting, removed thickness material and the lateral width material surplus of bamboo wood, processing loss a certain amount of bamboo wood, do not reach the maximum solid thing storage that keeps bamboo wood yet.
As everyone knows, after mao bamboon became a useful person, the bamboo bar was that bamboo green layer, bamboo body material, tabasheer layer, bamboo bar have certain taper degree from outside to inside successively aspect length, and this end bamboo body of the bamboo root and stem of certain plants is thick, and that end bamboo body of bamboo tail is thin.The mao bamboon of different regions, its taper degree difference, the grow tall bamboo wood body thickness difference in direction diverse location cross section of bamboo bar is got the more long material of bamboo wood, and the thickness difference of bamboo body material is more big, is directly proportional with length.Preserve the maximum solid thing storage of bamboo body material, will be according to the taper degree feature of mao bamboon and the characteristics of bamboo body thickness gradual change, production and processing technology is worked out in innovation, reaches the purpose that takes full advantage of bamboo wood.
Summary of the invention
The purpose of this utility model is the above-mentioned defective that exists in the existing bamboo processing lumbering technology, a kind of bamboo wood entity storage of preserving substantially is provided, reduce cutting output, bring into play the mechanical characteristic of former bamboo wood, effectively improve utilization rate of bamboo, simultaneously can simplify production technology, reduce production costs, the whole bamboo of the ortho states of the control consumption of raw materials per unit of product becomes more meticulous and discongests the reorganization laminated timber.
The purpose of this utility model realizes by the following technical solutions: the whole bamboo of this ortho states becomes more meticulous and discongests the reorganization laminated timber, be to discongest bamboo silk piece lamina layering stack by two layers of fineization at least, adjacent two layers lamina surf green and bamboo strip mutually by or tabasheer lean on mutually with bamboo strip, with integrate body of the bonding hot pressing formation of adhesive.
More particularly, describedly become more meticulous that to discongest bamboo silk piece lamina be to be become more meticulous by not wide trapezoidal of several uniform thickness to discongest bamboo silk module unit body and put with narrow handover by the wide head of the adjacent two bamboo pieces of same end width, its above and below is all bamboo strip or yellow bamboo face, assembly and form a whole plate.
More particularly, described become more meticulous discongest bamboo silk module unit body be by ortho states arc bamboo chip by machine become more meticulous roller cut open discongest that vertical bamboo strand shape that roll extrusion launches to form laterally links to each other, thickness the pass through planar trapezoidal shape bamboo piece of gradual change of equalization, width substantially.
The whole bamboo of ortho states of the present utility model becomes more meticulous and discongests the reorganization laminated timber and discongest bamboo silk module unit body by becoming more meticulous and form, and become more meticulous discongest bamboo silk module unit body be by machine with wide arc bamboo chip under the prerequisite of not losing bamboo wood, launch to discongest fixed thick the processing of roll extrusion, the only blue or green layer of the outer wax of milling bamboo and bamboo Neihuang County film, dual-side is natural width, has kept the bamboo body material of bamboo wood so basically.
The whole bamboo of ortho states of the present utility model becomes more meticulous and discongests reorganization laminated timber thickness is 12~36mm, and length is 980~245mm, and width is 80~600mm.The thickness of discongesting bamboo silk module unit body that becomes more meticulous is 5~11mm, and width: wide end is 60~150mm, and narrow end is 40~120mm, and length is 980~2600mm.Specific bamboo wood is not limited, can decide according to demand.
The whole bamboo wood of ortho states of the present utility model becomes more meticulous and discongests the reorganization laminated timber, at first adopts the ortho states bamboo wood roller that becomes more meticulous to cut open and discongest milling technology, becomes more meticulous to discongest bamboo silk module unit body and cutd open and discongested integrating device and finish by the full bamboo wood roller that becomes more meticulous.Ortho states arc bamboo piece is nondestructively launched to discongest into planar shaped, and width not milling of aspect keeps the original natural width of bamboo piece, only the wax green grass or young crops, the yellow film that are launched into planar shaped bamboo piece thickness direction and the material that can not glue together reaction is milled sand and cuts only and remove.This sawing technology keeps bamboo wood physical objects bamboo fibre amount to greatest extent, keeps the characteristic of former bamboo wood tension resistance to compression mechanical property; Utilization rate of bamboo reaches more than 85%, improves 35% than old technology; And technology is simple, has reduced work flow, and the equipment of having saved drops into and is artificial, and the bamboo wood unit cost is low, and material structure is tight, density is even, internal stress is little, flexible type, dimensional stability, usability, secondary workability are not good.Be widely used in construction and decoration industry and household material, and fields such as container, railway carriage flooring board, building structure building material.
Description of drawings
Fig. 1 is that the whole bamboo of the ortho states of the utility model embodiment becomes more meticulous and discongests the structural representation of reorganization laminated timber.
Fig. 2 is the assembly schematic diagram that becoming more meticulous of the utility model embodiment discongested bamboo silk piece lamina.
Fig. 3 is the structural representation that becoming more meticulous of the utility model embodiment discongested bamboo silk module unit body.
Fig. 4 is the structural representation of the ortho states arc bamboo piece before the processing.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Referring to Fig. 1, the whole bamboo of the ortho states of present embodiment becomes more meticulous and discongests the reorganization laminated timber is to become more meticulous by three layers to discongest 1 layering of bamboo silk piece lamina and be formed by stacking, wherein, between the adjacent two layers lamina 1 surf green and bamboo strip mutually by or tabasheer lean on mutually with bamboo strip, with integrate body of the bonding hot pressing formation of adhesive.
Referring to Fig. 2, be that present embodiment becomes more meticulous and discongests the assembly schematic diagram of bamboo silk piece lamina 1, it is to be become more meticulous by not wide trapezoidal of several uniform thickness to discongest bamboo silk module unit body 2 and put with narrow handover by the wide head of the adjacent two bamboo pieces of same end width, its above and below is all bamboo strip or yellow bamboo face, forms a whole plate with braid 3 crosswise fixed bamboo silk module unit body 2 assemblies.
Referring to Fig. 3, be that present embodiment becomes more meticulous and discongests the structural representation of bamboo silk module unit body 2, in conjunction with Fig. 4, become more meticulous discongest bamboo silk module unit body 2 be by ortho states arc bamboo chip shown in Figure 4 by machine become more meticulous roller cut open discongest that vertical bamboo strand shape that roll extrusion launches to form laterally links to each other, thickness the pass through planar trapezoidal shape bamboo piece of gradual change of equalization, width substantially.
The whole bamboo of the ortho states of the utility model embodiment preparation technology who discongests the reorganization laminated timber that becomes more meticulous comprises following dual mode:
(1) once hot-forming.Its technological process is reduced to: former bamboo → sawing fixed length thick bamboo tube → subdivision bamboo piece → roller cuts open meticulous bamboo piece → drying → impregnation (gluing) → drying → bamboo piece assembly → laminated timber reorganization hot pressing → arrangement saw lumber of discongesting.
Its detailed process is as follows:
(1) selection: with 4 years bamboo above mao bamboon materials in age;
(2) cut out material: the thick bamboo tube that the mao bamboon material is sawn into fixed length;
(3) subdivision bamboo piece: the fixed length thick bamboo tube vertically is split into arc bamboo piece;
(4) launch to discongest arc bamboo piece: cut open by machine rolls according to the physical objects amount of ortho states bamboo wood and launch to discongest milling to be rolled into thickness equal substantially, width is the bamboo piece that vertical bamboo strand shape wide naturally, the wide end narrow/wide degree gradual change of an end of bamboo wood subdivision laterally links to each other, namely form becoming more meticulous and discongest bamboo silk module unit body as shown in Figure 3, and divide tube to tie up and put;
(5) the previous step gained is become more meticulous discongest the soft plasticizing heat treatment of bamboo silk module unit height temperature, increase the plasticity of bamboo wood, get rid of the extract in the bamboo wood;
(6) drying of bamboo wood is handled: it is below 10% that bamboo wood is dried to moisture content with the passage kiln;
(7) with the dried bamboo wood dipping of previous step or coating heat curing-type resin glue;
(8) again with the bamboo wood drying of impregnating resin glue, making it moisture content is 12% ± 2;
(9) row's plate assembly: becoming more meticulous after the above-mentioned processing discongested bamboo silk module unit body, according to the symmetrical principle of correspondence, with bamboo strip to bamboo strip or yellow bamboo face to yellow bamboo face, wide head and the pairing mutually of narrow head, closely and fitly arrange, form becoming more meticulous and discongest bamboo silk piece lamina as shown in Figure 2 with braid crosswise fixed bamboo silk module unit body assembly;
(10) reorganization hot pressing: three two-layer previous step gained are become more meticulous discongest bamboo silk piece lamina layering stack, adjacent two layers lamina surf green and bamboo strip mutually by or tabasheer and bamboo strip lean on mutually, adopt the bonding hot pressing of phenolic resin glue of environment protection modification to form an integrate body, hot pressing temperature is 130~150 ℃, lateral pressure is 5.0Mpa, normal pressure is 4.5Mpa, and the time is 1.0mm/min, implements the bamboo wood recombining in the hot press of multilayer bidirectional pressing;
(11) by the specification saw lumber, the laminated timber surface after previous step handled is carried out sand and is cut processing, makes required given size sheet material, namely gets as shown in Figure 1 the whole bamboo of ortho states and becomes more meticulous and discongest the reorganization laminated timber.
(2) twice hot-forming.Its technological process is reduced to: former bamboo → sawing fixed length thick bamboo tube → subdivision bamboo piece → roller cuts open meticulous bamboo piece → drying → impregnation (gluing) → drying → bamboo piece assembly → hot pressing individual layer sheet material → whole individual layer sheet material processed → individual layer sheet material gluing assembly → laminated timber hot pressing saw lumber of recombinating → put in order of discongesting.
(1) is roughly the same for its detailed process and mode, difference be bamboo piece assembly become to become more meticulous discongest bamboo silk piece lamina after, carry out the lamina hot pressing first time, more whole individual layer sheet material processed and carry out carrying out the laminated timber hot pressing second time and recombinating after individual layer sheet material gluing assembly becomes laminated timber.Because of this mode to bamboo wood carried out twice hot-forming, the whole bamboo of the ortho states of production becomes more meticulous, and to discongest the reorganization laminated timber more firm, but make the corresponding growth of work flow simultaneously.
Below only be preferred embodiment of the present utility model, and non-limiting the utility model, the technical scheme of the equivalent technologies characteristic change that all utilization the utility model specifications and the disclosed content of accompanying drawing have been done all is included in the protection domain of the present utility model.

Claims (3)

1. the whole bamboo of ortho states becomes more meticulous and discongests the reorganization laminated timber, it is characterized in that: it discongests bamboo silk piece lamina layering stack by two layers of fineization at least, adjacent two layers lamina surf green and bamboo strip mutually by or tabasheer lean on mutually with bamboo strip, with integrate body of the bonding hot pressing formation of adhesive.
2. the whole bamboo of ortho states according to claim 1 becomes more meticulous and discongests the reorganization laminated timber, it is characterized in that: describedly become more meticulous that to discongest bamboo silk piece lamina be to be become more meticulous by not wide trapezoidal of several uniform thickness to discongest bamboo silk module unit body and put with narrow handover by the wide head of the adjacent two bamboo pieces of same end width, its above and below is all bamboo strip or yellow bamboo face, viscose glue and form an integration plate.
3. the whole bamboo of ortho states according to claim 1 becomes more meticulous and discongests the reorganization laminated timber, it is characterized in that: described become more meticulous discongest bamboo silk module unit body be by ortho states arc bamboo chip by machine become more meticulous roller cut open discongest that vertical bamboo strand shape that roll extrusion launches to form laterally links to each other, thickness the pass through planar trapezoidal shape bamboo piece of gradual change of equalization, width substantially.
CN 201320055694 2013-01-31 2013-01-31 Original-state whole-bamboo refined defibering and reorganizing laminated veneer lumber CN203045916U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072160A (en) * 2013-01-31 2013-05-01 湖南省林业科学院 Laminated board formed by fine disintegration and rearrangement of whole raw bamboos and production technical method thereof
CN103500567A (en) * 2013-09-22 2014-01-08 张士臣 Synthetic bamboo sounding board of national instrument
CN103600383A (en) * 2013-11-21 2014-02-26 中国林业科学研究院木材工业研究所 Forward wood laminated timber production process and impact device
CN104875247A (en) * 2015-06-09 2015-09-02 湖南风河竹木科技股份有限公司 Formaldehyde-free bamboo recombined, plasticized and polymerized building structure material and production technique
CN105108877A (en) * 2015-07-07 2015-12-02 中国林业科学研究院木材工业研究所 Scrimber manufacture method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072160A (en) * 2013-01-31 2013-05-01 湖南省林业科学院 Laminated board formed by fine disintegration and rearrangement of whole raw bamboos and production technical method thereof
CN103500567A (en) * 2013-09-22 2014-01-08 张士臣 Synthetic bamboo sounding board of national instrument
CN103600383A (en) * 2013-11-21 2014-02-26 中国林业科学研究院木材工业研究所 Forward wood laminated timber production process and impact device
CN104875247A (en) * 2015-06-09 2015-09-02 湖南风河竹木科技股份有限公司 Formaldehyde-free bamboo recombined, plasticized and polymerized building structure material and production technique
CN105108877A (en) * 2015-07-07 2015-12-02 中国林业科学研究院木材工业研究所 Scrimber manufacture method

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