CN102069515B - Bamboo-wood composite plywood for container flooring and production method thereof - Google Patents
Bamboo-wood composite plywood for container flooring and production method thereof Download PDFInfo
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- CN102069515B CN102069515B CN 200910226422 CN200910226422A CN102069515B CN 102069515 B CN102069515 B CN 102069515B CN 200910226422 CN200910226422 CN 200910226422 CN 200910226422 A CN200910226422 A CN 200910226422A CN 102069515 B CN102069515 B CN 102069515B
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- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000011120 plywood Substances 0.000 title claims abstract description 10
- 238000009408 flooring Methods 0.000 title abstract 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 212
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- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 212
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- 239000011425 bamboo Substances 0.000 claims abstract description 209
- 239000003292 glue Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000007731 hot pressing Methods 0.000 claims abstract description 11
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- 229920001169 thermoplastic Polymers 0.000 claims description 3
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- 239000002994 raw material Substances 0.000 abstract description 7
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Abstract
The invention relates to a bamboo-wood composite plywood for a container flooring, which is formed by the staggered arrangement, assembly and hot pressing of a plurality of layers of wood veneers and bamboo chip veneers, wherein the bamboo chip veneers are formed by piecing together a plurality of bamboo chips along the width direction of the bamboo chip veneers; the bamboo chips are formed by directly flattening raw bamboos to be with the thickness of not less than 4.5 mm and the width of not smaller than one fourth of the perimeter of the raw bamboos; at least one layer of wood veneers is clamped between any two adjacent layers of bamboo chip veneers; and the total layer number of the wood veneers and the bamboo chip veneers is not more than 13. The invention also relates to a method for producing the plywood. The plywood produced with the structure and the method has the advantages that: due to the direct use of the bamboo chips formed by flattening the raw bamboos and no need of applying glue to the bamboo chip veneers, the production process is reduced, the out-turn percentage is improved, and the use level of glue is decreased. Moreover, the composite veneer layer number is reduced while the requirements on the thickness and the use strength of the plywood for the container flooring are met, thereby, the production time is saved, the use level of raw materials used is decreased, and consequently, the production cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of bamboo wood composite veneer, relate in particular to a kind of bamboo wood composite veneer for container bottom board.
Background technology
In existing container structure, underframe is mainly used in bearing goods, because cargo load acts directly on the base plate, this has just proposed higher requirement to the hardness of base plate especially intensity, thereby for a long time, base plate is that the main higher tropical leaf wood of strength characteristics is raw material in order to Southeast Asia clone wood, adopt a large footpath level rounding to become veneer in the making always after, multilayer single plate makes up, is hot pressed into glued board; The container industry is to the lasting demand of large footpath level log, cause the transition of Southeast Asia clone's wood to be felled, so that be on the verge of exhaustion, and the environment in Southeast Asia and even the world produced baneful influence, seek the raw material of new suitable for making container bottom board and adopt the structural form of the base plate of new raw material to become problem in the urgent need to address in the container field.
Because China's bamboo resource is abundant, the characteristics that the bamboo growth cycle is short in addition, material is hard, bamboo wood is used more and more in this glued board field.At present, use and to be mainly the bamboo wood composite veneer in the container field.The traditional fabrication of bamboo wood composite veneer is to become thin bamboo to slight bamboo processing, is woven into bamboo mat or bamboo curtain splint, and is through super-dry, dipping glue dry process again, final and the veneer assembly is hot-forming.Make when making bamboo-wood composite veneer sheet used for container bottom plate in this way, complex procedures, the production cycle is long, and utilization rate of bamboo is low, and the compound veneer number of plies is many, and glue consumption is large, and production cost is high.The applying date is that the Chinese utility model patent " a kind of bamboo-wood composite section bar " (patent No. is 200820164197.2) on September 10th, 2008 discloses and makes a kind of being cut apart by slab, described slab by multi-layer bamboo lamella and delta wood lamella by cold moudling after the adhesive bonds, then the bamboo-wood composite board made of heat cure, wherein, upper and lower two end faces of slab are respectively the wood chip layer, bamboo chip layer is made of some bamboo sheets that are arranged side by side, and is provided with one or more layers described wood chip layer between two-layer bamboo chip layer.A kind of bamboo timber is had complementary advantages although this patented technology provides, density is suitable, intensity is high, the composite board of good-toughness, yet, as shown in Figure 1, add man-hour at raw material, to first former bamboo 2 be blocked into thick bamboo tube, then hack, obtain blank bamboo chip 20 after hacking, as shown in Figure 2, the bamboo sheet 21 of this glued board will just can be obtained can be used for making after the four sides equating of blank bamboo chip 20 (but after the force plane again adjustable cast iron planes), so operation is loaded down with trivial details, takes time and effort, utilization rate of bamboo is low, and waste of raw materials is serious.And the described bamboo chip layer thickness of this patent is 0.5～2.0mm, the wood chip layer thickness is 0.5～3.0mm, the thickness of general container, car, this glued board peculiar to vessel is 28mm, make container, car, floor composite plate if use this technical scheme, then need the compound veneer number of plies more, glue consumption is large, and production cost is high.
Summary of the invention
Problem to be solved by this invention is, for making the defectives such as the bamboo-wood composite veneer sheet used for container bottom plate operation is numerous and diverse, utilization rate of bamboo is low, glue consumption is large in the prior art, provide a kind of and can satisfy container thickness and working strength requirement, reduce again the compound veneer number of plies, save the glue consumption, improve utilization rate of bamboo, the bamboo-wood composite veneer sheet used for container bottom plate that reduces production costs.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of bamboo-wood composite veneer sheet used for container bottom plate, being staggered by multilayered wood veneer and bamboo chip veneer, hot pressing forms behind the assembly, the bamboo chip veneer is put together along its width by many bamboo chips, described bamboo chip is that former bamboo directly flattens, described bamboo chip veneer is put down assembly by the described bamboo chip that flattens, adjacent two described bamboo chips turn around, turn-over is also mutually tight, thickness is not less than 4.5mm, width is not less than 1/4th of former bamboo girth, at least accompany the described Wooden veneer of one deck between the two-layer bamboo chip veneer of arbitrary neighborhood, no more than 13 layers of total number of plies of described Wooden veneer and described bamboo chip veneer.
Described bamboo-wood composite veneer sheet used for container bottom plate wherein, accompanies the described Wooden veneer of one deck between the two-layer described bamboo chip veneer of described arbitrary neighborhood, and then described Wooden veneer and described bamboo chip veneer assemble pattern comprise following two kinds:
1, described Wooden veneer and described bamboo chip veneer assemble pattern are
Wherein
The perpendicular bamboo chip veneer of piecing together of expression, namely its arrangement mode be the length of bamboo chip all the length with this glued board is identical, the width amalgamation of bamboo chip forms the width of this glued board together;
Represent horizontal assembly bamboo chip veneer, namely its arrangement mode be the length of bamboo chip all the width with this glued board is identical, the width amalgamation of bamboo chip forms the length of this glued board together; " | " expression rift grain Wooden veneer i.e. grain direction of this Wooden veneer is parallel with the length direction of this glued board; "-" expression band Wooden veneer, namely the grain direction of this Wooden veneer is vertical with the length direction of this glued board.
2, described Wooden veneer and bamboo chip veneer assemble pattern are
Wherein
The perpendicular bamboo chip veneer of piecing together of expression, "-" expression band Wooden veneer, with 1 with.
In the 1st kind of assemble pattern, be positioned at the glue that single face coating on the Wooden veneer of panel layer and backplane level meets the bamboo-wood plywood instructions for use, used glue is phenolic resins, cloth glue amount is 160-1800g/cm2; And all the other Wooden veneers that are positioned at internal layer carry out double spread, and used glue is phenolic resins, and cloth glue amount is 340-370g/cm2; And the bamboo chip veneer not gluing do not carry out impregnation yet.
In the 2nd kind of assemble pattern, all Wooden veneers all carry out two gluings, and cloth glue amount is 340-370g/cm2; And the bamboo chip veneer not gluing do not carry out impregnation yet.
In addition, except between the two-layer bamboo chip veneer of above-mentioned described arbitrary neighborhood, accompany one deck Wooden veneer, between the two-layer bamboo chip veneer of described arbitrary neighborhood, can also be that part accompanies one deck Wooden veneer, part accompanies two-layer above Wooden veneer, and the panel layer of described bamboo-wood composite veneer sheet used for container bottom plate and backplane level are at least a in described Wooden veneer, described bamboo chip veneer, the surface lining.
Further, make the above structure container base plate production method of bamboo wood composite veneer, comprise the steps such as sheet making, cloth glue, assembly, hot pressing, cutting edge sanding, check warehouse-in, described sheet making divides again the processing of Wooden veneer processing and bamboo chip veneer, and the processing of described bamboo chip veneer and described assembly process comprise:
(a) former bamboo is blocked: with length and the width of amputating saw according to required bamboo wood composite veneer, former bamboo is blocked into corresponding length, and remove acromere; Then subdivision and remove internal segment and get the bamboo section half-and-half vertically;
(b) the bamboo section is softening: gained bamboo section is put into carried out thermoplastic in the deep fat furnace chamber, 180 ℃～200 ℃ of softening temperatures, 2～3 minutes time;
(c) the bamboo section flattens: the bamboo section after will softening is put in the flattening equipment at once, incrementally push gradually from less to more longitudinally groove with the roll with double wedge at the circumferencial direction of bamboo section inwall, make the arc length of bamboo section inwall under the effect of being pushed gradually longitudinal fluting, along the circumferential direction extend gradually equably, expand, thereby the bamboo section is flattened gradually;
(d) thermocompression forming: put the bamboo section that flattens in the press of plane thermocompression forming, technological parameter: unit pressure 1.6MPa, 5 minutes time, 135 ℃ of temperature, after hot pressing temperature is down to normal temperature, open press and get bamboo clappers, take out bamboo clappers;
(e) drying: bamboo clappers is stacked, sent to and carry out drying in the dry kiln, 65 ℃～70 ℃ of baking temperatures, about 48 hours time, dried moisture control is about 8%;
(f) sanding: dried bamboo clappers carries out surely thick two-sided sanding, removes Outer part and inner part of the bamboo, and sanding obtains the bamboo clappers that thickness is not less than 4.5mm;
(g) cloth glue: double spread meets the glue of bamboo-wood plywood instructions for use on all or part of Wooden veneer, and double-sided cloth glue amount is 340-370g/cm2, and described glue is phenolic resins, and bamboo chip veneer not gluing does not carry out impregnation yet.
(h) assembly: from the bottom be backplane level begin by assemble pattern successively in layer up cloth glue stack until top layer panel layer namely.
Technique after assembly is finished is that hot pressing, cutting edge sanding, mortise check, check warehouse-in etc. are consistent with the conventional veneer boards processing technology, does not repeat them here.
The present invention has following beneficial effect:
The present invention uses former bamboo directly to flatten bamboo chip, thickness is not less than 4.5mm, and the bamboo chip veneer does not need gluing, reduce production process, improved volume recovery, saved the glue consumption, and in the thickness that satisfies composite board for bottom board of container and working strength, reduce the compound veneer number of plies, not only saved the production time but also reduced the raw material consumption, therefore also reduced widely production cost.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail.
Fig. 1 is former bamboo schematic cross-section;
Fig. 2 is the bamboo chip machining sketch chart of prior art;
Fig. 3 is the first example structure schematic diagram of bamboo-wood composite veneer sheet used for container bottom plate of the present invention;
Fig. 4 is the second example structure schematic diagram of bamboo-wood composite veneer sheet used for container bottom plate of the present invention;
Fig. 5 is the fabrication processing sketch of bamboo-wood composite veneer sheet used for container bottom plate of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is given further elaboration.
[embodiment 1]
As shown in Figure 3, a kind of bamboo-wood composite veneer sheet used for container bottom plate, it is 11 layers symmetrical structure plate, wherein 1,3,5,7,9,11 is Wooden veneer, thickness is 1.5mm, and 1,3,9,11 is the band Wooden veneer, and namely the grain direction of these four layers of veneers is vertical with the length direction of this glued board, 5,7 is the rift grain Wooden veneer, and namely the grain direction of this two-layer veneer is parallel with the length direction of this glued board; All the other 2,4,6,8,10 are the bamboo chip veneer, thickness is 4.5mm, wherein, 2,4,8,10 are the perpendicular bamboo chip veneer of piecing together, be its arrangement mode be the length of bamboo chip all the length with glued board is identical, the width amalgamation of bamboo chip forms the width of glued board together, 6 is horizontal assembly bamboo chip veneer, be its arrangement mode be the length of bamboo chip all the width with glued board is identical, the width amalgamation of bamboo chip forms the length of glued board together; All Wooden veneers all need cloth glue, and wherein panel layer 1 and backplane level 11 are facecloth glue, and other are double-sided cloth glue, and bamboo matter veneer is also impregnation not of cloth glue not.Its version can be expressed as with general in the industry symbolic expression method
, wherein
The perpendicular bamboo chip veneer of piecing together of expression,
Represent horizontal assembly bamboo chip veneer, " | " expression rift grain Wooden veneer, "-" expression band Wooden veneer.
[embodiment 2]
As shown in Figure 4, a kind of bamboo-wood composite veneer sheet used for container bottom plate is 9 layers symmetrical structure plate, and wherein 2,4,6,8 is Wooden veneer, and thickness is 2.5mm, is the band Wooden veneer, and namely the grain direction of veneer is vertical with the length direction of this glued board; All the other 1,3,5,7,9 are the bamboo chip veneer, thickness is 4.5mm, and be the perpendicular bamboo chip veneer of piecing together, be that its arrangement mode is that all the length with glued board is identical for the length of bamboo chip, the width amalgamation of bamboo chip forms the width of glued board together, panel layer 1 and backplane level 11 used bamboo chips are not go green grass or young crops after former bamboo flattens, and surf green outwardly, can effectively play effect anticorrosion, mildew-resistant; All Wooden veneers all need double-sided cloth glue, and the bamboo chip veneer is also impregnation not of cloth glue not.Its version can be expressed as with general in the industry symbolic expression method
Wherein
The perpendicular bamboo chip veneer of piecing together of expression, "-" expression band Wooden veneer.
In above two embodiment, bamboo chip is that direct flattening of former bamboo gone blue or green getting final product, can improve utilization rate of bamboo so on the one hand, the splicing crack also can not affect the intensity of glued board, thickness was about 4.5mm after general former bamboo went blue or green de-etiolation on the other hand, thick (prior art is 0.5～2.0mm) and the bamboo chip of this thickness is than the bamboo chip of prior art made, therefore needed bamboo chip veneer quantity will be lacked, and then avoided prior art to adopt thinner bamboo chip, need more multi-layered bamboo chip to arrange, veneer quantity is more, cloth glue amount is also corresponding more, and complex procedures, the shortcoming that cost is higher.
In addition, too much affect efficiency for avoiding bamboo chip splicing sheet number, the bamboo chip width that above embodiment adopts is not less than 1/4th of former bamboo girth, because the less splicing sheet of width number is more, efficiency can be lower.
Further, more than the arrangement mode of two embodiment, be thickness and the intensity needs according to the container glued board, draw through experiment repeatedly.After testing, adopt the bamboo-wood composite veneer sheet used for container bottom plate of this structure, the detection data such as its intensity and hardness are: proportion 0.75; Band MOR 39MPa, rift grain MOR 105MPa; Tangential elastic module 3400MPa, modulus of elasticity parellel to grain 9500MPa meets container industry to hardness and the requirement of strength of base plate.
Panel layer in above-mentioned two embodiment and backplane level adopt respectively Wooden veneer and the bamboo chip veneer, and glued board of the present invention can also be as required, and panel layer and backplane level are selected surface lining.
Bamboo-wood composite veneer sheet used for container bottom plate manufacture craft of the present invention is simply described as follows:
Flow chart as shown in Figure 5, bamboo-wood composite veneer sheet used for container bottom plate manufacture craft of the present invention mainly comprise the steps such as sheet making, cloth glue, assembly, hot pressing, cutting edge sanding, mortise check, check warehouse-in.
Wherein, sheet making divides again the processing of Wooden veneer processing and bamboo chip veneer:
1, the processing of Wooden veneer:
The process of Wooden veneer is consistent with the Wooden veneer of glued board with traditional container, mainly comprises: log cooking, block, peeling, rotary-cut and drying and other steps, so repeat no more inferior.
2, the processing of bamboo chip veneer:
The processing of bamboo chip veneer is the process that flattens bamboo chip and mainly comprises: former bamboo is blocked, and the bamboo section is softening, flatten, and thermocompression forming, the steps such as drying and sanding, the below is the detailed introduction of several steps:
(1) former bamboo is blocked
With length and the width of amputating saw according to required bamboo wood composite veneer, former bamboo is blocked into corresponding length, length specification is mainly take 2500mm and 1300mm as main, and removes acromere; Then subdivision and remove internal segment and get the bamboo section half-and-half vertically.
(2) the bamboo section is softening
Gained bamboo section put into carry out thermoplastic in the deep fat furnace chamber, 180 ℃～200 ℃ of softening temperatures, 2～3 minutes time.
(3) the bamboo section flattens
Bamboo section after softening is put in the flattening equipment at once, incrementally push gradually from less to more longitudinally groove with the roll with double wedge at the circumferencial direction of bamboo section inwall, make the arc length of bamboo section inwall under the effect of being pushed gradually longitudinal fluting, along the circumferential direction extend gradually equably, expand, thereby the bamboo section is flattened gradually.
(4) thermocompression forming
The bamboo section that flattens put into thermocompression forming gets bamboo clappers, technological parameter in the press of plane: unit pressure 1.6MPa, 5 minutes time, 135 ℃ of temperature, after being down to normal temperature, hot pressing temperature just can open press, take out bamboo clappers.
(5) drying
Flattened bamboo boards is stacked, sent to and carry out drying in the dry kiln, 65 ℃～70 ℃ of baking temperatures, about 48 hours time, dried moisture control is about 8%.
(6) sanding
Dried bamboo clappers carries out surely thick two-sided sanding, removes Outer part and inner part of the bamboo, and sanding obtains the bamboo chip that thickness is not less than 4.5mm.
(7) cloth glue and assembly
Bamboo wood composite veneer assemble pattern according to embodiment 1:
Wherein
The perpendicular bamboo chip veneer of piecing together of expression,
Represent horizontal assembly bamboo chip veneer, " | " expression rift grain Wooden veneer, "-" expression band Wooden veneer.
The the 1st and 11 layer Wooden veneer carries out facecloth glue, and cloth glue amount is 160-1800g/cm2; 3rd, 5,7 and 9 layers of Wooden veneer carry out double-sided cloth glue, and cloth glue amount is 340-370g/cm2; Flattened bamboo boards does not carry out gluing or impregnation.Glue is phenolic resins.
After 11th layer Wooden veneer single face is crossed glue, just directly spread the 10th layer on the face of glue and flatten the bamboo chip veneer having, the bamboo chip veneer is put down assembly by the bamboo chip that flattens, adjacent two bamboo chips will turn around and turn-over, and want mutually closely, when the width splicing arrives the width that requires, repave the Wooden veneer of the 9th layer of double-sided cloth glue, then repave the 8th layer of bamboo chip veneer, so repeatedly arrange till the 1st layer of Wooden veneer, and the grain direction of Wooden veneer and bamboo chip veneer should be consistent with assemble pattern.
The bamboo wood composite veneer assembly method of embodiment 2 is also with embodiment 1, and just the grain direction of Wooden veneer and bamboo chip veneer should be consistent with its assemble pattern.
Technique after assembly is finished is that hot pressing, cutting edge sanding, mortise check, check warehouse-in etc. are consistent with this plywood machining process of Traditional Wood, does not repeat them here.
Foregoing; it only is preferred embodiment of the present invention; be not for restriction embodiment of the present invention; those of ordinary skills are according to main design of the present invention and spirit; can carry out very easily corresponding flexible or modification, so protection scope of the present invention should be as the criterion with the desired protection domain of claims.
Claims (10)
1. bamboo-wood composite veneer sheet used for container bottom plate, being staggered by multilayered wood veneer and bamboo chip veneer, hot pressing forms behind the assembly, it is characterized in that, described bamboo chip veneer is put together along its width by many bamboo chips, described bamboo chip is that former bamboo directly flattens, described bamboo chip veneer is put down assembly by the described bamboo chip that flattens, adjacent two described bamboo chips turn around, turn-over is also mutually tight, thickness is not less than 4.5mm, width is not less than 1/4th of former bamboo girth, at least accompany the described Wooden veneer of one deck between the two-layer described bamboo chip veneer of arbitrary neighborhood, no more than 13 layers of total number of plies of described Wooden veneer and described bamboo chip veneer.
2. bamboo-wood composite veneer sheet used for container bottom plate according to claim 1 is characterized in that, accompanies the described Wooden veneer of one deck between the two-layer described bamboo chip veneer of arbitrary neighborhood.
3. bamboo-wood composite veneer sheet used for container bottom plate according to claim 2, it is characterized in that described Wooden veneer and described bamboo chip veneer assemble pattern are: band Wooden veneer, perpendicular bamboo chip veneer, band Wooden veneer, perpendicular bamboo chip veneer, rift grain Wooden veneer, horizontal assembly bamboo chip veneer, rift grain Wooden veneer, perpendicular bamboo chip veneer, band Wooden veneer, perpendicular bamboo chip veneer, the band Wooden veneer pieced together pieced together pieced together pieced together.
4. bamboo-wood composite veneer sheet used for container bottom plate according to claim 2, it is characterized in that described Wooden veneer and described bamboo chip veneer assemble pattern are: perpendicular bamboo chip veneer, band Wooden veneer, perpendicular bamboo chip veneer, band Wooden veneer, perpendicular bamboo chip veneer, band Wooden veneer, perpendicular bamboo chip veneer, band Wooden veneer, the perpendicular bamboo chip veneer of piecing together pieced together pieced together pieced together pieced together.
5. according to claim 3 or 4 described bamboo-wood composite veneer sheet used for container bottom plates, it is characterized in that meet the glue of bamboo-wood plywood instructions for use in all or part of Wooden veneer coating, bamboo chip veneer not gluing does not carry out impregnation yet.
6. bamboo-wood composite veneer sheet used for container bottom plate according to claim 1 is characterized in that, between the two-layer described bamboo chip veneer of arbitrary neighborhood, part accompanies the described Wooden veneer of one deck, and part accompanies two-layer the above Wooden veneer.
7. bamboo-wood composite veneer sheet used for container bottom plate according to claim 1 is characterized in that, the panel layer of described bamboo-wood composite veneer sheet used for container bottom plate and backplane level are at least a in described Wooden veneer, described bamboo chip veneer, the surface lining.
8. the production method of a bamboo-wood composite veneer sheet used for container bottom plate, comprise sheet making, cloth glue, assembly, hot pressing, cutting edge sanding, check warehouse-in step, described sheet making divides again the processing of Wooden veneer processing and bamboo chip veneer, it is characterized in that the processing of described bamboo chip veneer and described assembly process comprise:
(a) former bamboo is blocked: with length and the width of amputating saw according to required bamboo wood composite veneer, former bamboo is blocked into corresponding length, and remove acromere; Then subdivision and remove internal segment and get the bamboo section half-and-half vertically;
(b) the bamboo section is softening: gained bamboo section is put into carried out thermoplastic in the deep fat furnace chamber, 180 ℃～200 ℃ of softening temperatures, 2～3 minutes time;
(c) the bamboo section flattens: the bamboo section after will softening is put in the flattening equipment at once, incrementally push gradually from less to more longitudinally groove with the roll with double wedge at the circumferencial direction of bamboo section inwall, make the arc length of bamboo section inwall under the effect of being pushed gradually longitudinal fluting, along the circumferential direction extend gradually equably, expand, thereby the bamboo section is flattened gradually;
(d) thermocompression forming: put the bamboo section that flattens in the press of plane thermocompression forming, technological parameter: unit pressure 1.6MPa, 5 minutes time, 135 ℃ of temperature, after hot pressing temperature is down to normal temperature, open press and get bamboo clappers, take out bamboo clappers;
(e) drying: bamboo clappers is stacked, sent to and carry out drying in the dry kiln, 65 ℃～70 ℃ of baking temperatures, about 48 hours time, dried moisture control is about 8%;
(f) sanding: dried bamboo clappers carries out surely thick two-sided sanding, removes Outer part and inner part of the bamboo, and sanding obtains the bamboo chip that thickness is not less than 4.5mm;
(g) cloth glue: according to needed on all or part of Wooden veneer double spread meet the glue of bamboo-wood plywood instructions for use, double-sided cloth glue amount is 340-370g/cm2, described glue is phenolic resins, bamboo chip not gluing does not carry out impregnation yet;
(h) assembly: from backplane level begin by assemble pattern successively in layer up cloth glue stack until panel layer.
9. the production method of bamboo-wood composite veneer sheet used for container bottom plate according to claim 8 is characterized in that, described Wooden veneer and described bamboo chip veneer assemble pattern are
Wherein
The perpendicular bamboo chip veneer of piecing together of expression,
Represent horizontal assembly bamboo chip veneer, " | " expression rift grain Wooden veneer, "-" expression band Wooden veneer.
10. the production method of bamboo-wood composite veneer sheet used for container bottom plate according to claim 8 is characterized in that, described Wooden veneer and described bamboo chip veneer assemble pattern are
Wherein
The perpendicular bamboo chip veneer of piecing together of expression, "-" expression band Wooden veneer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910226422 CN102069515B (en) | 2009-11-20 | 2009-11-20 | Bamboo-wood composite plywood for container flooring and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910226422 CN102069515B (en) | 2009-11-20 | 2009-11-20 | Bamboo-wood composite plywood for container flooring and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069515A CN102069515A (en) | 2011-05-25 |
| CN102069515B true CN102069515B (en) | 2013-01-30 |
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| CN 200910226422 Active CN102069515B (en) | 2009-11-20 | 2009-11-20 | Bamboo-wood composite plywood for container flooring and production method thereof |
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Application publication date: 20110525 Assignee: HUNAN CIMC WOOD&BAMBOO DEVELOPMENT CO., LTD. Assignor: China international shipping container (Group) Limited by Share Ltd|Xinhui CIMC Wood Industry Co., Ltd. Contract record no.: 2014990000809 Denomination of invention: Bamboo-wood composite plywood for container flooring and production method thereof Granted publication date: 20130130 License type: Exclusive License Record date: 20141022 |
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Effective date of registration: 20160202 Address after: 523808, Guangdong Province, Dongguan, Dongguan Songshan Lake hi tech Industrial Development Zone, Nanshan Road, No. 1 chi chi Valley Industrial Park, No. 2 office building, Room 303 Patentee after: CIMC Wood Development Co.,Ltd. Address before: 529144 Guangdong Province, Jiangmen City Xinhui District Sha Industrial Zone Patentee before: Xinhui CIMC Wood Co., Ltd. Patentee before: Chinese International Marine Container (Group) Co., Ltd. |
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Address after: Room 303, Office Building No. 2, Zhongji Valley Industrial Park, No. 1 Nanshan Road, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: New environmental protection material Limited by Share Ltd Address before: Room 303, No. 2 Office Building, Zhongji Valley Industrial Park, No. 1 Nanshan Road, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province, 523808 Patentee before: CIMC Wood Development Co.,Ltd. |