CN2894989Y - Bamboo-wood plywood - Google Patents

Bamboo-wood plywood Download PDF

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Publication number
CN2894989Y
CN2894989Y CN 200520064418 CN200520064418U CN2894989Y CN 2894989 Y CN2894989 Y CN 2894989Y CN 200520064418 CN200520064418 CN 200520064418 CN 200520064418 U CN200520064418 U CN 200520064418U CN 2894989 Y CN2894989 Y CN 2894989Y
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China
Prior art keywords
bamboo
veneer
board
wood plywood
millimeters
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Expired - Lifetime
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CN 200520064418
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Chinese (zh)
Inventor
陶仁中
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China International Marine Containers Group Co Ltd
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China International Marine Containers Group Co Ltd
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Priority to CN 200520064418 priority Critical patent/CN2894989Y/en
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Abstract

A wood and bamboo veneer comprises a surface board, a core board and a bottom board and made by assembling and heat pressing of single boards which form the surface board, the core board and the bottom board. The core board is composed of the assembly of the intertwined wood single board and bamboo single board. In any two adjacent bamboo single boards of the assembly core board is placed with at least one layer of the wood single board. The thickness of the bamboo single board is 2.0-2.4 mm. The thickness of the wood single board of the assembly core board is 1.5-1.8 mm. The bamboo and wood veneer adopting this structure has the scientific combination of the bamboo and wood single board. Free of the gum-dipping for the bamboo single board so as to reduce the manufacturing process and cut material cost. The utility model has advantages of the short time of the heat pressing, the low pressing power, the high work efficiency, the low compact rate, the high degree of material utilization, the low manufacturing cost, the high quality and stable performance.

Description

Bamboo-wood plywood
Technical field
The utility model relates to a kind of glued board, relates in particular to a kind of bamboo-wood plywood.
Background technology
The bamboo carpentry begins starting in China from the nineties, wood substituted by bamboo, and constantly opening up the bamboo wood application is to alleviate forest reserves poorness, an otherwise effective technique measure of improving the ecological environment, the bamboo grove of China is abundant, and speed was given birth in 4 years, utilizes it to replace effective green resource of rainforest timber just.
The patented technology and the corresponding patent application of a lot of relevant bamboo-wood floors have also appearred thus.The utility model patent CN 2661631Y that applied on July 30th, 2003 as the utility model applicant discloses a kind of two-layer at least plank and container bamboo-wood plywood of one deck bamboo clappers at least of comprising, but its plank is located at dash board up and down, and bamboo clappers is located at internal layer, directly glued joint between bamboo individual layer and the bamboo individual layer, the bamboo veneer must gluing or impregnation.Chinese patent CN1569409A also discloses a kind of bamboo alternate composite plate of wood and manufacture method thereof, it comprises the honest and clean and transversely arranged veneer of bamboo of vertical arrangement, bamboo is honest and clean respectively to be combined with each other by table inwards with veneer, bamboo is honest and clean to have following two kinds with complex method veneer: 1, outer honest and clean compound by three layers of bamboo, sandwich layer is honest and clean compound by the alternate two layers of bamboo of individual layer veneer; 2, skin is one deck bamboo mat, and sandwich layer is honest and clean compound by the alternate two layers of bamboo of individual layer veneer, and sandwich layer is that bamboo is honest and clean.It also is the direct compound a kind of assemble pattern of bamboo layer and bamboo layer, and its middle bamboo single plate must gluing or impregnation.
In sum, the domestic and international at present bamboo-wood plywood main feature in the bamboo plywood field is: have the bamboo veneer to contact with the bamboo veneer in the bamboo-wood plywood; All or part of bamboo veneer is carried out preliminary treatment, as bamboo veneer drying-impregnation-drying; Hot pressing pressure is big, as greater than 20 kg/cm; Compression ratio is big, as greater than 25%.Therefore, the lower and poor stability of producing of bamboo-wood plywood product quality.
Summary of the invention
The purpose of this utility model is, at the deficiencies in the prior art, provides a kind of bamboo-wood plywood, adopt bamboo curtain splint veneer, Wooden veneer according to certain arrangement mode collocation assembly, the bamboo plywood stock utilization height that produces, production cost is low, product quality height and stable performance.
For achieving the above object, the utility model adopts following technical scheme:
A kind of bamboo-wood plywood comprises panel, central layer and base plate, is formed by hot pressing behind the veneer assembly of forming panel, central layer and base plate, and total number of plies is no less than 5 layers.Wherein, central layer is formed by Wooden veneer and the bamboo curtain splint veneer assembly that is staggered, at least accompany one deck Wooden veneer between any adjacent two layers bamboo curtain splint veneer of composition central layer, the thickness of this bamboo curtain splint veneer is 2.0 millimeters~2.4 millimeters, and the thickness of forming the Wooden veneer of central layer is 1.5 millimeters~1.8 millimeters.
Described bamboo-wood plywood, wherein, panel and base plate can be that one or more layers thickness is 1.0 millimeters~1.6 millimeters Wooden veneers, are generally 2~3 layers of Wooden veneer.
Described bamboo-wood plywood wherein, can only accompany one deck Wooden veneer between any adjacent two layers bamboo curtain splint veneer of composition central layer; Also can partly accompany one deck Wooden veneer, part accompanies the above Wooden veneer of one deck, and coating meets the glue of bamboo-wood plywood instructions for use on all or part of Wooden veneer, and the bamboo curtain splint veneer of composition central layer gluing not, do not carry out impregnation, the preferred waterproof phenol glue of used glue yet.
Described bamboo-wood plywood, wherein, described bamboo-wood plywood panel or base plate also can be provided with one deck decorative layer outward.
The utility model produces described bamboo-wood plywood and production method compared with prior art has following distinguishing feature:
1, the science of bamboo veneer and veneer combination.Always have between the bamboo veneer in the existing bamboo-wood plywood to contact, or bamboo curtain splint and bamboo mat, or bamboo curtain splint and bamboo curtain splint because the gummed characteristics of bamboo veneer itself, in the existing technology to the bamboo impregnating glue of veneer, pressure hot pressing all is in order to solve the gummed problem between the bamboo veneer greatly.By a large amount of Test Summaries, the utility model adopts the combination of bamboo veneer science, be to accompany one deck Wooden veneer at least between any two-layer bamboo veneer, the bamboo veneer that is difficult to glue together and bamboo veneer between gummed become gummed between bamboo veneer and the Wooden veneer, so not only solved the bad bamboo-wood plywood quality instability problem that causes of gummed between the bamboo veneer, and can simplify production process, and reduce process time, improve stock utilization.
2, the bamboo curtain splint veneer does not need impregnation.Need bamboo mat in the existing bamboo-wood plywood production, or bamboo mat, bamboo curtain splint impregnation, impregnation is handled need be to bamboo veneer redrying, production process is many, increase the glue use amount, owing to produce the main material phenol rise in price of phenol glue, cause much producing the bamboo plywood or the stopping production of bamboo-wood plywood producer of building template or closing down at present.Bamboo-wood plywood of the present utility model and production technology thereof, the bamboo curtain splint veneer of forming central layer does not need impregnation, not only simplifies production process, and reduces the glue use amount, reduces the bamboo-wood plywood production cost greatly;
3, do not need big pressure hot pressing, hot pressing time is short, and compression ratio is little.Existing bamboo-wood plywood production technology adopts big pressure hot pressing, and generally greater than 20 kg/cm, hot pressing time is long, in the hot pressing blank flat need be in press slow cooling or secondary hot pressing etc., compression ratio is big, usually greater than 25%.Production efficiency is low, and stock utilization is not high, causes production cost very high.Bamboo-wood plywood described in the utility model and production method thereof, adopt less hot pressing pressure, less than 20 kg/cm, hot pressing time is short, the hot pressing of every millimeter assembly thickness is less than 1.5 minutes, and compression ratio has not only improved production efficiency less than 20%, and the stock utilization height, reduced the production cost of bamboo-wood plywood.
Bamboo-wood plywood of the present utility model, bamboo veneer combination science in the bamboo-wood plywood, the bamboo curtain splint veneer does not need impregnation, and operation is few, the cost of material is low; Hot pressing time is short, pressure is low, the production efficiency height, and compression ratio is little, the stock utilization height, production cost is low; Product quality is high and stable.
Bamboo-wood plywood described in the utility model will produce revolutionary impact to the utilization of the bamboo resource of China's abundant, for China's bamboo industry is opened up a great scope of land.
Description of drawings
For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, the utility model has been described in detail in conjunction with following accompanying drawing, the purpose of this utility model, feature and characteristics, can obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the i.e. 11 layers of bamboo-wood plywood structural representation of first kind of embodiment of the present utility model;
Fig. 2 is the i.e. 17 layers of bamboo-wood plywood structural representation of second kind of embodiment of the present utility model;
Fig. 3 is the i.e. 17 layers of bamboo-wood plywood structural representation of the third embodiment of the present utility model, and there is hard paper the above and below;
Fig. 4 is the i.e. 19 layers of bamboo-wood plywood structural representation of the 4th kind of embodiment of the present utility model;
Fig. 5 is the i.e. 19 layers of bamboo-wood plywood structural representation of the 5th kind of embodiment of the present utility model, and there is hard paper the above and below.
The specific embodiment
Embodiment one:
As shown in Figure 1, a kind of 11 layers of bamboo-wood plywood, the 1st, 11 layer is birch veneer, thickness is 1.0 millimeters, as 20 among Fig. 1; 3rd, 5,7,9 layers is bamboo curtain splint, the arragement direction in bamboo-wood plywood of bamboo curtain splint is consistent with the bamboo-wood plywood length direction (hereinafter to be referred as long core bamboo curtain splint for the length direction of the bamboo chip of composition bamboo curtain splint, the length direction bamboo curtain splint vertical with the bamboo-wood plywood length direction of forming the bamboo chip of bamboo curtain splint is called for short short core bamboo curtain splint), thickness is 2.2 millimeters, as 21 among Fig. 1; 2nd, 4,6,8,10 layers is Wooden veneer, be specially the eucalyptus veneer, as 22 among Fig. 1, the grain direction of the 2nd, 10 eucalyptus veneers consistent with the bamboo-wood plywood length direction (hereinafter to be referred as long central layer) wherein, 4th, the grain direction of 6,8 eucalyptus veneers vertical with the length direction of bamboo-wood plywood (hereinafter to be referred as short central layer), thickness is 1.8 millimeters.Assembly thickness is 19.8 millimeters.With bamboo curtain splint, birch, eucalyptus veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10 eucalyptus veneer gluings, use the waterproof phenol glue, glue-spread be two-sided 360 the gram/square metre; Form blank flat in order, precompressed, pressure is 12 kg/cm, the time is 22 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 130 ℃, and pressure is 14 kg/cm, and the time is 24 minutes.Blank flat thickness is 18 millimeters after the hot pressing, and compression ratio is 10%; To carry out cutting edge through the blank flat of hot pressing and handle, be cut into certain specification, as 2440 * 1220 millimeters, 2135 * 915 millimeters.The every performance of this bamboo-wood plywood all satisfies the building template requirement, is good building template.
Embodiment two:
A kind of 17 layers of bamboo-wood plywood, the 3rd, 5,7,9,11,13,15 layer is bamboo curtain splint, all is long core bamboo curtain splint, thickness is 2.4 millimeters, as 21 among Fig. 2; 1st, 2,4,6,8,10,12,14,16,17 layers is birch veneer, as 22 among Fig. 2, wherein be positioned at the wood grain consistent with the bamboo-wood plywood length direction (hereinafter to be referred as the face base plate) of 1,17 birch veneers on surface, 2nd, 16 are the long central layer of birch, 4th, 6,8,10,12,14 are the short central layer of birch, and thickness is 1.6 millimeters.Assembly thickness is 32.8 millimeters.With bamboo curtain splint, birch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16 birch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 370 grams/square metre; Form blank flat in order, precompressed, pressure is 14 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 16 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.5 millimeters after the hot pressing, and compression ratio is 15.1%; To carry out sanding surface, cutting edge processing through the blank flat of hot pressing, be cut into certain specification,, and carry out mortise, chamfered as 2400 * 1160 millimeters, 1388 * 1160 millimeters.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.
Embodiment three:
A kind of 17 layers of bamboo-wood plywood, there is the phenol glue impregnated paper bamboo-wood plywood above and below.1st, 17 layers is birch, and thickness is 1.0 millimeters, as among Fig. 3 20, the 3,5,7,11,13,15 layers be bamboo curtain splint, all be long core bamboo curtain splint, thickness is 2.4 millimeters, as 21 among Fig. 3; 2nd, 4,6,8,9,10,12,14,16 layers is birch veneer, and thickness is 1.7 millimeters, 22 among Fig. 3; Wherein the 2nd, 9,16 are the long central layer of birch, and the 4th, 6,8,10,12,14 are the short central layer of birch.The bamboo-wood plywood above and below is a hard paper, as 23 among Fig. 4.Assembly thickness is 32.8 millimeters.With birch, bamboo curtain splint, birch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16 birch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 370 grams/square metre; Form blank flat in order, precompressed, pressure is 12 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 14 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.0 millimeters after the hot pressing, and compression ratio is 13.2%; To carry out cutting edge through the blank flat of hot pressing and handle, be cut into certain specification,, and carry out mortise, chamfered as 2400 * 1160 millimeters, 1388 * 1160 millimeters.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.
Embodiment four:
A kind of 19 layers of bamboo-wood plywood, the 3rd, 5,7,9,11,13,15,17 layer is long core bamboo curtain splint, thickness is 2.0 millimeters, as 21 among Fig. 4; 1st, 2,4,6,8,10,12,14,16,18,19 layers is the larch veneer, and thickness is 1.5 millimeters, as 22 among Fig. 4; Wherein the 1st, 19 are fallen leaves loose side base plate, and the 2nd, 18 layer is long central layer, and all the other are the short central layer of larch.Assembly thickness is 32.5 millimeters.With birch, larch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16,18 larch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 350 grams/square metre; Form blank flat in order, precompressed, pressure is 14 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 16 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.5 millimeters after the hot pressing, and compression ratio is 14.0%; To carry out cutting edge processing, sanding surface through the blank flat of hot pressing, be cut into certain specification,, and carry out mortise, chamfered as 2400 * 1160 millimeters, 1388 * 1160 millimeters.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.
Embodiment five:
A kind of 19 layers of bamboo-wood plywood, there is hard paper the bamboo-wood plywood above and below.1st, 19 layers is birch, and thickness is 1.0 millimeters, is bamboo curtain splint as 3,5,7,13,15,17 layers of 20, the among Fig. 5, and thickness is 2.2 millimeters, 21 among Fig. 5; Wherein the 3rd, 5,15,17 are long core bamboo curtain splint, and the 7th, 13 layer is short core bamboo curtain splint; 2nd, 4,6,8,9,10,11,12,14,16,18 layers is the larch veneer, and thickness is 1.5 millimeters, 22 among Fig. 5, and wherein the 2nd, 9,11,18 are long central layer, all the other are short central layer; The bamboo-wood plywood above and below is a hard paper, as 23 among Fig. 5.Assembly thickness is 31.7 millimeters.With birch, bamboo curtain splint, larch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16,18 larch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 350 grams/square metre; Form blank flat in order, precompressed, pressure is 14 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 16 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.0 millimeters after the hot pressing, and compression ratio is 13.2%; To carry out cutting edge through the blank flat of hot pressing and handle, be cut into certain specification,, and carry out mortise, chamfered as 2400 * 1160 millimeters, 1388 * 1160 millimeters.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not break away from its spiritual essence or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All in the utility model scope or the change that is being equal in the scope of the present utility model all comprised by the utility model.

Claims (6)

1, a kind of bamboo-wood plywood, comprise panel, central layer and base plate, form by hot pressing behind the veneer assembly of forming panel, central layer and base plate, described central layer is formed by Wooden veneer and the bamboo curtain splint veneer assembly that is staggered, it is characterized in that, at least accompany one deck Wooden veneer between any adjacent two layers bamboo curtain splint veneer of described composition central layer, the thickness of this bamboo curtain splint veneer is 2.0 millimeters~2.4 millimeters, and the thickness of the Wooden veneer of described composition central layer is 1.5 millimeters~1.8 millimeters.
2, bamboo-wood plywood according to claim 1 is characterized in that, described panel and base plate include one deck Wooden veneer at least, and thickness is 1.0 millimeters~1.6 millimeters.
3, bamboo-wood plywood according to claim 1 is characterized in that, accompanies one deck Wooden veneer between any adjacent two layers bamboo curtain splint veneer of described composition central layer.
4, bamboo-wood plywood according to claim 1 is characterized in that, between any adjacent two layers bamboo curtain splint veneer of described composition central layer, part accompanies one deck Wooden veneer, and part accompanies the above Wooden veneer of one deck.
5, bamboo-wood plywood according to claim 1 is characterized in that, total number of plies of described bamboo curtain splint veneer, Wooden veneer is no less than 5 layers.
6, bamboo-wood plywood according to claim 1 is characterized in that, described bamboo-wood plywood panel or base plate also can be provided with one deck decorative layer outward.
CN 200520064418 2005-09-09 2005-09-09 Bamboo-wood plywood Expired - Lifetime CN2894989Y (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189569A (en) * 2011-04-20 2011-09-21 河北北方绿野居住环境发展有限公司 Processing method of solid wood door plate
CN103600400A (en) * 2013-11-25 2014-02-26 南京林业大学 Bamboo and wood composited electrical laminated wood
CN103817762A (en) * 2014-03-13 2014-05-28 国际竹藤中心 Method and equipment thereof for continuously and automatically paving coiled bamboo curtain of bamboo-wood composite board
CN104118018A (en) * 2014-07-23 2014-10-29 连云港保丽森实业有限公司 Inorganic flame retarding bamboo and wood composite ecological plant fiber board and production method thereof
CN104772799A (en) * 2014-01-13 2015-07-15 中集木业发展有限公司 Container, flattened bamboo composite floor for container and processing method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189569A (en) * 2011-04-20 2011-09-21 河北北方绿野居住环境发展有限公司 Processing method of solid wood door plate
CN103600400A (en) * 2013-11-25 2014-02-26 南京林业大学 Bamboo and wood composited electrical laminated wood
CN103600400B (en) * 2013-11-25 2015-12-02 南京林业大学 A kind of bamboo wood composite electrical lamination wood
CN104772799A (en) * 2014-01-13 2015-07-15 中集木业发展有限公司 Container, flattened bamboo composite floor for container and processing method thereof
CN103817762A (en) * 2014-03-13 2014-05-28 国际竹藤中心 Method and equipment thereof for continuously and automatically paving coiled bamboo curtain of bamboo-wood composite board
CN103817762B (en) * 2014-03-13 2016-06-29 国际竹藤中心 The package bamboo curtain splint serialization automatic packing method of bamboo-wood plyboard and equipment thereof
CN104118018A (en) * 2014-07-23 2014-10-29 连云港保丽森实业有限公司 Inorganic flame retarding bamboo and wood composite ecological plant fiber board and production method thereof
CN104118018B (en) * 2014-07-23 2016-05-04 连云港保丽森实业有限公司 A kind of inorganic fire-retarded bamboo wood complex ecological plate with fibers planted and production method thereof

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Expiration termination date: 20150909

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