CN101985219A - Natural hollow-structure bamboo/wood composite board and manufacturing method thereof - Google Patents
Natural hollow-structure bamboo/wood composite board and manufacturing method thereof Download PDFInfo
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- CN101985219A CN101985219A CN2009102603657A CN200910260365A CN101985219A CN 101985219 A CN101985219 A CN 101985219A CN 2009102603657 A CN2009102603657 A CN 2009102603657A CN 200910260365 A CN200910260365 A CN 200910260365A CN 101985219 A CN101985219 A CN 101985219A
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Abstract
The invention provides a recombined board keeping a natural hollow spacing structure of bamboo. Bamboo sections with equivalent diameters are processed into an incomplete right square prism, hollow spacing-structure bamboo units partially maintaining bamboo green can be spliced in the longitudinal length and freely spliced in the horizontal direction into a honeycomb bamboo horizontally jointed board, and the upper and lower surfaces are laminated with a veneer, plywood or bamboo jointed board so as to form the natural hollow-structure bamboo/wood composite board. According to the physical structure characteristics that the bamboo has cavities, taper, bamboo joints and the like, the hollow bamboo units are properly processed and horizontally spliced, and then are subjected to secondary veneering to form the bamboo/wood composite board with wood and bamboo surface textures; the natural structure of the bamboo is maintained, the high-strength and large-breadth bamboo/wood composite board can be manufactured, and the thickness is graded according to the diameters of the bamboo; wood can be replaced, the bamboo utilization rate is obviously improved, and the forest resources are saved; and the product can be used as a wall panel, a large-breath furniture board, an indoor decorative board, an acoustic panel, a large-breath furniture tabletop, a light door plate and the like.
Description
Technical field
The present invention relates to a kind of bamboo wood natural hollow-core construction bamboo wood recombination plates or bamboo-wood composite board and manufacture method, belong to the material field.
Background technology
China's bamboo resource is abundant, is the first in the world bamboo resource big country.Bamboo is grown rapidly, and it is short that wheel cuts down the cycle, and the hollow belt joint has excellent mechanical property such as shearing strength height, vertical tension, compression strength height, bending strength height, good springiness.Internode have every, increased the whole laterally compression strength of bamboo.Keep the natural hollow structure of bamboo, according to the Different Diameter level, through simply cutting and splicing processing back formation have the cellular sheet material that natural hollow structure forms, can make full use of the natural structure of bamboo and good physical and mechanical property, replacing wood is made eco-friendly light composite board, effectively extenuates China's timber resources imbalance between supply and demand.
Existing bamboo wood reorganization and bamboo wood complex technique mainly contain:
1) bamboo side's recombinant technique: hollow bamboo wood splitting is become to have the bamboo base of arc section, again the bamboo base is formed the bamboo bar with square-section through machining, utilize adhesive bonding technique to be spliced into Sinarundinaria longiuscula sheet material or square bar the bamboo bar.The shortcoming and defect of this technology is to have destroyed the original hollow-core construction of bamboo, the hollow space of occupying that utilizes bamboo not yet in effect, and the bamboo base of arc section is formed the bamboo bar of square-section through machining, a large amount of bamboo woods are cut, and volume recovery is very low, generally is no more than 30%.
2) path bamboo wood recombinant technique: with path bamboo wood rubbing well-thought-out plan bundle, gummed reassembles into bamboo board or square bar.The shortcoming and defect of this technology is, destroyed the original hollow-core construction of bamboo equally, and the natural structure of bamboo has been destroyed in the hollow space of occupying that utilizes bamboo not yet in effect simultaneously, has lost natural decorative effect, can not replace solid wood to make high-grade goods.
3) arc bamboo base recombinant technique: by the bamboo base that the inner arc radius equates with the outer arc radius, the surf green tabasheer is towards identical discharging arranged side by side, and the pressurization splicing forms.The shortcoming and defect of this technology is to have destroyed the original hollow-core construction of bamboo equally, hollow space of occupying and the whole good mechanical performance of bamboo of utilizing bamboo not yet in effect.
4) broken bamboo recombinant technique: glue together reorganization after will putting in order the bamboo crushing, form bamboo board or square bar.The shortcoming and defect of this technology is, destroyed the original hollow-core construction of bamboo equally, and the natural structure of bamboo has been destroyed in the hollow space of occupying that utilizes bamboo not yet in effect simultaneously, has lost natural decorative effect.
5) bamboo-wood composite board technology: utilizing bamboo wood good mechanical performance, just is the top layer with bamboo side's recombination board or arc bamboo base recombination plates, is bamboo/wood composite board that the sandwich layer gummed forms with low-quality timber.This technology is because of having used bamboo side's recombinant technique and arc bamboo base recombinant technique, so can not overcome the shortcoming of two kinds of recombinant techniques.
6) bamboo original-state multidirectional recombinant technique: bamboo processing is become the unit in regular polygon cross section, and the length direction finger is pieced together long, the structure material of the big cross section of horizontally-spliced one-tenth.The shortcoming and defect of this technology is: 1) the multi-direction splicing of regular polygon, and very high to the regular polygon required precision, otherwise can not effectively glue together, or form local internal stress; 2) should not be used for wallboard, decorative panel, large format furniture table-board and door-plate.
In sum, technology 1)~5) be the bamboo wood recombinant technique, all destroyed natural hollow-core construction and the whole good mechanical performance of bamboo; Technology 6) to machining required precision height, suitable application area is a structural wood, should not be used for wallboard, decorative panel, large format furniture table-board and door-plate.From above-mentioned technology, do not find akin natural hollow-core construction bamboo/wood composite board and manufacture method.
Summary of the invention
Primary and foremost purpose of the present invention is to improve the deficiencies in the prior art, provide a kind of maintenance bamboo natural hollow structure, do not destroy the bamboo overall structure, the light weight board that make different-thickness, keep the intensity height of the primary hollow structure of bamboo, the breadth scope is big, has various decorative effects.
For achieving the above object, the present invention is by the following technical solutions:
The natural hollow belt joint of bamboo wood provided by the invention recombination board is made up of some imperfect four-prism concatenation units.
Described imperfect four-prism concatenation unit, by the fixed section of former bamboo drying, sawing, grade, sawing, mill (plane) and cut processing, the machining surface constitutes imperfect four-prism, and undressed part keeps former bamboo surf green surface, and finished surface and green surface are alternate.
The relative two sides of described concatenation unit is a cemented surface, needs through sanding, applying glue, and be the large format bare board through cold/heat pressurization splicing again.This bare board can keep the surf green decorative effect alternate with bamboo meat texture through covering with paint, lacquer, colour wash, etc.
Described bare board also can pass through post-production, the sheet material two sides is used after sanding is handled, with finishing material assembly with certain intensity, be formed on the bare board upper and lower surface and glue together facing plates such as various veneers, glued board, bamboo jigsaw through cold/heat pressurization veneer, form honeycomb veneer sheet material, improve the MOR of surface decoration effect and sheet material.
The foursquare length of side of described concatenation unit cross section is decided on former bamboo section diameter and tapering.With the processing plane of bamboo surface one end formation certain width, an end can partly be cut and be principle, improves the utilization rate of former bamboo to greatest extent.Big footpath level bamboo wood can be processed into slab, and the small diameter grade bamboo wood can be processed into thin plate, to satisfy different demands.
Described concatenation unit part can extend with short bamboo section splicing, and alternate horizontal assembly with whole bamboo section is to improve the utilization rate of former bamboo.
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a bamboo section schematic diagram, expression according to bamboo wood footpath level through the fixed section of sawing, grade after gained diameter bamboo section unanimous on the whole.According to becoming plate breadth size, part bamboo Duan Weiyu plate long (or plate is wide) is suitable whole section, part bamboo section can be pieced together long by some bamboo sections, with whole bamboo section be staggered piece together wide;
Fig. 2 for bamboo section four sides through sawing, plane (milling) cut, the imperfect four-prism of sanding processing back formation;
Fig. 3 is through applying glue, cold/the hot large format honeycomb bare board that pressurizes and be spliced with some imperfect four-prism concatenation units;
Fig. 4 is natural hollow-core construction bamboo/wood composite board.Both with after the bare board sanding, what form behind applying glue, cold/heat pressurization veneer has various decorations and strengthens the veneer honeycomb board of veneer.
Fig. 5 is the process for making of the natural hollow-core construction sheet material of bamboo wood.
Claims (6)
1. the present invention is a kind of natural hollow-core construction bamboo/wood composite board and manufacture method, it is characterized in that: for guaranteeing high as far as possible volume recovery and good splicing, keep the natural hollow belt of bamboo wood every structure, former bamboo is through super-dry and grading, the surface is through partial operation, the surf green surface that part keeps bamboo wood natural rounded profile, part is processed as imperfect four-prism, length is the former bamboo unit of splicing arbitrarily, through applying glue, the naked material of honeycomb is made in the horizontal assembly of hot/cold, again through sanding, veneer processing is carried out incrustation and is improved bamboo wood reorganization or the bamboo-wood composite board that its MOR forms the reorganization bamboo clappers of honeycomb.
2. a kind of natural hollow-core construction bamboo/wood composite board according to claim 1 and manufacture method, it is characterized in that, former bamboo wood is through super-dry, reach equilibrium moisture content, fixed section back grades by the footpath level, cutting processing through sawing, plane (milling), to make the bamboo wood cell cross-section be imperfect square, surface to be machined constitutes imperfect four-prism, green surface keeps former bamboo surf green surface, in the hope of maximum volume recovery, and keep the natural hollow well-formed's of bamboo wood mechanical property, form the imperfect four-prism concatenation unit of splicing.
3. a kind of natural hollow-core construction bamboo/wood composite board according to claim 1 and manufacture method, it is characterized in that: through relative two finished surfaces of imperfect four-prism of sawing, Milling Process formation, pass through sanding, applying glue again, laterally cold/heat pressurization is spliced into large format honeycomb bare board.
4. a kind of natural hollow-core construction bamboo/wood composite board according to claim 1 and manufacture method is characterized in that: honeycomb bare board top and bottom are through sanding, covering with paint, form existing surf green surface, again the sheet material of bamboo meat native texture are arranged; Also can with the surface lining assembly, through cold/heat pressurization veneer, form honeycomb card panel again with the bare board upper and lower surface through sanding, applying glue.According to different requirements, surface lining can be thin plates such as veneer, glued board, bamboo jigsaw, in order to different decorative effects to be provided, improves the MOR of sheet material.
5. a kind of natural hollow-core construction bamboo/wood composite board according to claim 1 and manufacture method, it is characterized in that: sheet metal thickness grades with the bamboo wood diameter, the honeycomb bamboo board that big footpath level bamboo wood is made can be used for the wallboard of bamboo tower, log cabin, it keeps the performance of natural bamboo sound insulation, insulation, and decorative effect is far superior to the bamboo tower that former bamboo is combined into; The honeycomb thick china that the small diameter grade bamboo wood is made can be used for inner wall decoration plate, sound panel, large format furniture table-board, door-plate etc.
6. a kind of natural hollow-core construction bamboo/wood composite board according to claim 1 and manufacture method, it is characterized in that: the sheet material that is spliced by imperfect four-prism unit, length direction can be identical with the bamboo fiber direction, according to the bamboo wood tapering system of cutting, part bamboo section can be pieced together length, width is pieced together wide arbitrarily by described unit, thickness classification with bamboo wood footpath level; Described sheet material length direction also can be vertical with the bamboo fiber direction, pieces together length arbitrarily by described unit, and width is identical with the bamboo fiber direction, and width is decided by the bamboo segment length.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102644333A (en) * | 2012-04-20 | 2012-08-22 | 上海捷成企业管理集团有限公司 | Honeycomb material made of bamboos |
CN105150297A (en) * | 2015-09-25 | 2015-12-16 | 广西贺州市灵峰木业科技有限公司 | Novel wooden board and processing method thereof |
CN105171856A (en) * | 2015-10-08 | 2015-12-23 | 杨学文 | All-bamboo road bridge plate with core layer as bamboo tube sections |
CN105171855A (en) * | 2015-09-25 | 2015-12-23 | 广西贺州市灵峰木业科技有限公司 | Novel solid wood panel and machining method thereof |
CN106393333A (en) * | 2016-11-17 | 2017-02-15 | 福建双羿竹木发展有限公司 | Manufacturing method for hollow bamboo board and product of hollow bamboo board |
CN112792940A (en) * | 2021-02-05 | 2021-05-14 | 西南林业大学 | Discrete type all-bamboo cross laminated timber and manufacturing method thereof |
-
2009
- 2009-12-17 CN CN2009102603657A patent/CN101985219A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102644333A (en) * | 2012-04-20 | 2012-08-22 | 上海捷成企业管理集团有限公司 | Honeycomb material made of bamboos |
CN105150297A (en) * | 2015-09-25 | 2015-12-16 | 广西贺州市灵峰木业科技有限公司 | Novel wooden board and processing method thereof |
CN105171855A (en) * | 2015-09-25 | 2015-12-23 | 广西贺州市灵峰木业科技有限公司 | Novel solid wood panel and machining method thereof |
CN105171855B (en) * | 2015-09-25 | 2017-12-22 | 广西贺州市灵峰木业科技有限公司 | A kind of solid wooden board material and its processing method |
CN105171856A (en) * | 2015-10-08 | 2015-12-23 | 杨学文 | All-bamboo road bridge plate with core layer as bamboo tube sections |
CN106393333A (en) * | 2016-11-17 | 2017-02-15 | 福建双羿竹木发展有限公司 | Manufacturing method for hollow bamboo board and product of hollow bamboo board |
CN112792940A (en) * | 2021-02-05 | 2021-05-14 | 西南林业大学 | Discrete type all-bamboo cross laminated timber and manufacturing method thereof |
CN112792940B (en) * | 2021-02-05 | 2024-05-24 | 西南林业大学 | Discrete full-bamboo cross laminated timber and manufacturing method thereof |
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Application publication date: 20110316 |