CN103128808B - A kind of full bamboo plywood of new structure and manufacture method - Google Patents
A kind of full bamboo plywood of new structure and manufacture method Download PDFInfo
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- CN103128808B CN103128808B CN201210543558.5A CN201210543558A CN103128808B CN 103128808 B CN103128808 B CN 103128808B CN 201210543558 A CN201210543558 A CN 201210543558A CN 103128808 B CN103128808 B CN 103128808B
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 265
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 265
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 265
- 239000011425 bamboo Substances 0.000 title claims abstract description 265
- 239000011120 plywood Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 240000003917 Bambusa tulda Species 0.000 title 1
- 241001330002 Bambuseae Species 0.000 claims abstract description 264
- 210000001226 Toe Joint Anatomy 0.000 claims abstract description 33
- 239000003292 glue Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 31
- 241000446313 Lamella Species 0.000 claims abstract description 28
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 26
- 238000005755 formation reaction Methods 0.000 claims abstract description 26
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 18
- 238000005470 impregnation Methods 0.000 claims description 21
- 238000007731 hot pressing Methods 0.000 claims description 20
- 238000003892 spreading Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000005034 decoration Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 5
- 240000000218 Cannabis sativa Species 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000000704 physical effect Effects 0.000 abstract description 2
- 210000003491 Skin Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- 239000002023 wood Substances 0.000 description 6
- 230000023298 conjugation with cellular fusion Effects 0.000 description 5
- 230000013011 mating Effects 0.000 description 5
- 230000021037 unidirectional conjugation Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 230000002457 bidirectional Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 210000001161 Embryo, Mammalian Anatomy 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Abstract
The present invention relates to a kind of full bamboo plywood of new structure, mated formation through applying glue, symmetric arrays by flattening bamboo lamella, bamboo bundle veneer curtain, hot-press gluing forms.Flattening bamboo lamella by the longitudinal toe joint of the flattening bamboo chip of uniform thickness, horizontally-splicedly to form, the long 10mm of toe joint mouth, the both sides planing flattening bamboo chip is neat; Width, the thickness classification of bamboo bundle veneer are identical with flattening bamboo chip, and bamboo bundle veneer curtain is made up of bamboo bundle veneer.1 layer of thin bamboo curtain splint is set up, for its extexine specious symmetry can establish 1 layer of thin bamboo mat in order to adjust its plate intermediate symmetry of gross thickness; Its skin can establish one deck decorative layer in addition.This provides one to use no or little bamboo mat, bamboo curtain splint, simultaneously the low and elasticity of panel density and intensity better, plate made by the full bamboo glue of the good new structure of physical property that suitability for industrialized is produced, and its structure, process can produce the railway carriage long material of a kind of outward appearance without cross-section seam.
Description
Technical field
Patent of the present invention belongs to wood-based plate or glued board field, particularly a kind of full bamboo plywood of new structure.
Background technology
Bamboo plywood or bamboo-wood structure glued board, be widely used in container bottom board, building and furniture woods; Wherein the highest with value used for bottom plate of container.For meeting this product physical performance index requirement, people have studied different structure bamboo slab rubber; People also are actively carrying out improving the technique of utilization rate of bamboo and the research of structure simultaneously.Chinese Patent Application No. 201210206307.8 open " a kind of full bamboo plywood of new structure ", provides a kind of full bamboo plywood be made up of bamboo mat, bamboo curtain splint, bamboo bundle ply symmetry gummed.Because the bamboo bundle veneer number of plies is more, intensity is subject to certain impact; Do not have the native texture of bamboo wood, application multilayer bamboo mat, bamboo curtain splint, cost is also higher simultaneously; Therefore also need to study that a kind of density is low, intensity, elasticity all better full bamboo plywood, particularly a kind of outward appearance without the long material of cross-section seam.
Summary of the invention
The object of the invention is to provide one and uses no or little bamboo mat, bamboo curtain splint, simultaneously panel density is low and elasticity, intensity are better, plate made by the full bamboo glue of the good new structure of physical property that suitability for industrialized is produced, and particularly a kind of outward appearance is without the long material of railway carriage of cross-section seam.
The object of the invention is to realize as follows:
A full bamboo plywood for new structure, is mated formation through impregnation, symmetric arrays by flattening bamboo lamella gluing, bamboo bundle veneer curtain, hot-press gluing forms.
The full bamboo plywood of above-mentioned a kind of new structure, its sandwich layer is one deck bamboo bundle veneer curtain, is symmetrical horizontal bamboo bundle veneer curtain, longitudinal flattening bamboo lamella successively by the outside both sides of sandwich layer, and mutual arrangement gummed forms.
The full bamboo plywood of above-mentioned a kind of new structure, its sandwich layer is the longitudinal flattening bamboo lamella of one deck, by the outside both sides of sandwich layer be symmetrical horizontal bamboo bundle veneer curtain successively, longitudinal flattening bamboo lamella arranges gummed alternately and forms;
The full bamboo plywood of above-mentioned a kind of new structure, its flattening bamboo lamella by the longitudinal toe joint of the flattening bamboo chip of uniform thickness, horizontally-splicedly to form; The flattening bamboo chip that the two ends that every sheet in the middle of flattening bamboo lamella flattens bamboo chip are milled with the toe joint mouth of docking, flattening bamboo lamella two ends use is the toe joint mouth that one end is milled with docking, the middle flattening toe joint mouth at bamboo chip two ends docks line with the tooth interface kit of the flattening bamboo chip at two ends and closes, the long 10mm of toe joint mouth; ; The both sides planing flattening bamboo chip is neat; It is for subsequent use that width presses 60-80mm, 70-90mm, 100mm-120mm classification, and thickness press 4mm, 5mm, 6mm, 7mm, 8mm and classified for subsequent use, and flattening bamboo leaf length to be classified each use by 1265mm, 845mm; Width, the thickness classification of bamboo bundle veneer are identical with flattening bamboo chip, length is 1265mm, bamboo bundle veneer by above-mentioned thickness bamboo chip roll and form, bamboo bundle veneer curtain is made up of bamboo bundle veneer, and bamboo bundle veneer is that to compile curtain by the classification of 4mm, 5mm, 6mm, 7mm, 8mm thickness specification for subsequent use.
The full bamboo plywood of above-mentioned a kind of new structure, its plate intermediate symmetry sets up 1 layer of thin bamboo curtain splint, to adjust gross thickness.
The full bamboo plywood of above-mentioned a kind of new structure, its extexine symmetry can establish 1 layer of thin bamboo mat, to adjust gross thickness or specious.
The full bamboo plywood of above-mentioned a kind of new structure, its appearance is in order to more attractive in appearance, and its extexine is also laid with 1 layer of finish coat, and finish coat is impregnated paper or Sliced veneer or thin bamboo plate or covers and mould decorative pattern decoration panel.
A kind of production method of full bamboo plywood of new structure is as follows:
(1) get the raw materials ready
Flatten bamboo chip: mao bamboon is blocked by 1265mm, 845mm two kinds of length, remove the bamboo chip saved, the wide 60 ~ 120mm of open arc is wide, flatten, plane into the bamboo chip of wide uniform thickness, drying of shaping through thermoplastic, hot pressing; Classify for subsequent use by thickness 4mm, 5mm, 6mm, 7mm, 8mm and 1265mm, 845mm length; Flattening bamboo lamella is pressed as Fig. 1, and both ends or one end are milled with the toe joint mouth of docking, toe joint mouth 10mm;
Bamboo bundle veneer curtain: after mao bamboon 1265mm length is blocked, remove joint, be split into the wide bamboo chip of 60 ~ 120mm arc, then scrape green grass or young crops, remove spring, roll silk well-thought-out plan bundle veneer, classify by thickness 4mm, 5mm, 6mm, 7mm, 8mm, uniform thickness bamboo bundle veneer is compiled curtain, weave into that longitudinal bamboo bundle veneer curtain and horizontal bamboo are single restraints plate curtain, longitudinal bamboo bundle veneer curtain has toe joint mouth by Fig. 1, for subsequent use;
Thin bamboo mat: with long 2525mm book bamboo chip work out, wide 1265mm, thick 1.0mm;
Thin bamboo curtain splint: with long 2525mm book bamboo chip work out, wide 1265mm, thick 1-1.8mm;
By dry for bamboo bundle veneer curtain moisture within 12%, glue spraying or impregnation, drip-dry, redrying moisture control is for subsequent use within 14%, and adopt phenol glue, solid content controls about 25%;
Flattening bamboo chip is shaped dry moisture content within 12%, adopt phenol glue gluing solids content about 45%;
By thin bamboo mat, the dry moisture content of thin bamboo curtain splint degree within 12%, adopt phenol glue impregnation solids content at about 28-30%;
Facing layer material: bamboo mat or slicing decoration panel after tectorial paper or impregnation;
(2) assembly hot-press molding methods: get flattening bamboo chip, the bamboo bundle veneer curtain produced by above-mentioned stock method; On assembly steel plate, gluing is flattened bamboo chip and mats formation one by one, flattening bamboo chip toe joint is connected, squeezes and hold together to pave, then mat formation by illustration 2 or Fig. 6 number of plies order; Flatten above bamboo chip and spread bamboo bundle veneer curtain, bamboo bundle veneer curtain toe joint spreading, two-berth loads close, then enters hot press and carries out forward 30 ~ 35Kg/cm
2pressurization and side direction 8 ~ 16Kg/cm
2add and be pressed into plate;
(3) long material secondary assembly forming method: get and produce flattening bamboo chip, bamboo bundle veneer curtain by above-mentioned stock method; Gluing is flattened bamboo chip by assembly steel plate mat formation one by one, flattening bamboo chip toe joint is connected, squeezes and hold together to pave, then mat formation by illustration 2 or Fig. 6 number of plies order; Flatten above bamboo chip and spread bamboo bundle veneer curtain, bamboo bundle veneer curtain toe joint spreading, two-berth loads close, then enters cold press and carries out forward 30 ~ 35Kg/cm
2pressurization and side direction 8 ~ 16Kg/cm
2add and be pressed into slab, become angle stake or an end mill to become angle stake blanket two end mill by Fig. 3, by Fig. 4 or Fig. 5 or Fig. 9, with mitered blanket for the sandwich layer both sides successively symmetrical flattening bamboo lamella spreading 1 layer of applying glue, and 1 layer of bamboo bundle veneer curtain, through being hot pressed into long profiles.
The production method of the full bamboo plywood of above-mentioned a kind of new structure, its extexine has 1 layer of finish coat, and finish coat is thin bamboo mat or slicing decoration panel after tectorial paper or impregnation.
The production method of the full bamboo plywood of above-mentioned a kind of new structure, its intermediate symmetry establishes 1 layer of thin bamboo curtain splint, to adjust gross thickness.
Above-mentioned long material secondary assembly forming method, its slab can be taked hot-forming; Concrete grammar gets to produce flattening bamboo chip, bamboo bundle veneer curtain by above-mentioned stock method; Gluing is flattened bamboo chip by assembly steel plate mat formation one by one, flattening bamboo chip toe joint is connected, squeezes and hold together to pave, then mat formation by illustration 2 or Fig. 6 number of plies order; Flatten above bamboo chip and spread bamboo bundle veneer curtain, bamboo bundle veneer curtain toe joint spreading, two-berth loads close, then enters hot press and carries out forward 30 ~ 35Kg/cm
2pressurization and side direction 8 ~ 16Kg/cm
2add and be pressed into slab, hot pressing temperature 130 DEG C ~ 140 DEG C, the dwell time of every millimeter of thickness of slab is 80s; Angle stake or an end mill is become to become angle stake, two sides sanding blanket two end mill by Fig. 3, by Fig. 4 or Fig. 5 or Fig. 9, with mitered blanket for the sandwich layer both sides successively symmetrical flattening bamboo lamella spreading 1 layer of applying glue, or the flattening bamboo lamella of 1 layer of applying glue and 1 layer of Bamboo veneer curtain, through being hot pressed into long profiles.
The production method of the full bamboo plywood of above-mentioned a kind of new structure, its extexine has 1 layer of finish coat, and finish coat is thin bamboo mat or slicing decoration panel after tectorial paper or impregnation.
The production method of the full bamboo plywood of above-mentioned a kind of new structure, its intermediate symmetry establishes 1 layer of thin bamboo curtain splint, to adjust gross thickness.
Adopt foregoing invention patent to provide plate construction science, main body sheet material employing flattening bamboo lamella, roll the bamboo bundle veneer curtain that brooming bamboo chip weaves into, all adopt machining, production efficiency is high, realizes the industrialization of bamboo processing.Flattening bamboo lamella keeps density preferably in hot pressing; Compared with other bamboo slab rubber material type, be conducive to the density reducing finished product sheet material; Bamboo processing well-thought-out plan bundle veneer can absorb adhesive preferably, contribute to improving glue performance, with single bamboo sheet plywood than the effective gummed area adding sheet material, solve the internal stress of bamboo wood in NEW TYPE OF COMPOSITE glued board well, improve elasticity, improve the quality of glued board comprehensively; Flattening bamboo lamella intensity is good simultaneously, is conducive to the intensity improving whole plate.
Adopting said method to produce full bamboo railway carriage glued board is example, after tested, and modulus of elasticity parellel to grain>=10000MPa, rift grain MOR>=85MPa; Tangential elastic module>=3500MPa, band MOR>=35MPa; Density>=0.75g/cm
3, moisture content≤12%, meets international standard, meets relevant national standard, meets the requirement of full bamboo railway carriage glued board completely.
The product that the structure adopting foregoing invention patent to provide is produced, can utilize full bamboo to produce, save timber resources.Because main material flattens bamboo chip, bamboo bundle veneer curtain, bamboo bundle veneer curtain is the bamboo wood through conquassation brooming, therefore it is less than former bamboo wood density, full bamboo curtain splint in the past, deficiency that full glued bamboo mat plate proportion is larger can be overcome, the fields such as building, furniture, truck board and the long material of engineering structure bamboo can be widely used in.
Describe in detail below in conjunction with drawings and Examples.
Fig. 1 toe joint mouth, toe joint schematic diagram Fig. 8 three ply board base mitered growth material sandwich layer schematic diagram
Fig. 2 five laminate blank structure and Bidirectional-pressure schematic diagram Fig. 9 five-layer structure long material secondary assembly structural representation
The long material sandwich layer angle stake of Fig. 3 five layers and the disposable assembly schematic diagram of a kind of five-layer structure plate of mitered schematic diagram Figure 10
The disposable assembly schematic diagram of a kind of seven-layer structure plate of Fig. 4 nine Rotating fields long material secondary assembly schematic diagram Figure 11
The disposable assembly schematic diagram of a kind of nine Rotating fields plate of Fig. 5 seven-layer structure long material secondary assembly schematic diagram Figure 12
Fig. 6 three ply board blank structure and Bidirectional-pressure schematic diagram
Fig. 7 three ply board blank structure schematic diagram
1, horizontal bamboo bundle veneer curtain 2, flattening bamboo chip 3, hot pressing backing plate 4, the signal of hot pressing compression aspect
5, finish coat 6, longitudinal bamboo bundle veneer curtain 7, slab angle stake 8, five laminate blank structure
9, three ply board blank structure 10, thin bamboo mat 11, two termination tooth mouth 12, termination tooth mouth 13, toe joint signal
14, thin bamboo curtain splint
Specific embodiment
Embodiment 1 presses Fig. 2 structure, and get and flatten bamboo chip gluing, horizontal bamboo bundle veneer curtain impregnation, hot pressing backing plate 3 is mated formation, on bidirectional press, molded according to above-mentioned process heat, is a kind of full bamboo plywood of novel five-layer structure.
Embodiment 2 for slab, opens angle stake 7 by such as Fig. 3 with the plate of embodiment 1; Draw materials by Fig. 4, applying glue, to mat formation, hot pressing nine layers of long material.
Embodiment 3 for slab, opens angle stake 7 by such as Fig. 3 with the plate of embodiment 1, needs to draw materials, applying glue, to mat formation by Fig. 5 structure, hot pressing seven layers of long material.
Embodiment 4 presses Fig. 6 structure needs, and get and flatten bamboo chip gluing, longitudinal Bamboo veneer curtain impregnation, hot pressing backing plate 3 is mated formation, on bidirectional press, molded according to above-mentioned process heat, is the full bamboo plywood of a kind of novel three-decker of Fig. 7.
Embodiment 5 for slab with the plate of embodiment 4, by such as Fig. 8 milling angle stake 7, needs to draw materials by Fig. 9 structure, applying glue, to mat formation, hot pressing a kind of full bamboo plywood of novel five-layer structure.
Embodiment 6 needs to get flattening bamboo chip gluing, longitudinal bamboo bundle veneer curtain impregnation, thin bamboo curtain splint impregnation by Figure 10 structure, namely becomes a kind of full bamboo plywood of novel five-layer structure through hot pressing of mating formation
Embodiment 7 needs to get flattening bamboo chip gluing, longitudinal bamboo bundle veneer curtain impregnation, horizontal bamboo bundle veneer curtain impregnation, tectorial paper glue by Figure 11 structure, through hot pressing one-shot forming of mating formation, namely becomes a kind of full bamboo plywood of novel seven-layer structure
Embodiment 8 needs to get flattening bamboo chip gluing, horizontal bamboo bundle veneer curtain impregnation by Figure 12 structure, through hot pressing one-shot forming of mating formation, namely becomes a kind of full bamboo plywood of novel nine Rotating fields.
The production method of five layers of full bamboo plywood of a kind of new structure that embodiment 9 assemblies are hot-forming:
1, get the raw materials ready
Flatten bamboo chip: mao bamboon is blocked by 1265mm, 845mm two kinds of length, remove the bamboo chip saved, the wide 60 ~ 120mm of open arc is wide, flatten, plane into the bamboo chip of wide uniform thickness, drying of shaping through thermoplastic, hot pressing; Classify for subsequent use by thickness 4mm, 5mm, 6mm, 7mm, 8mm and 1265mm, 845mm length; Flattening bamboo lamella is pressed as Fig. 1, and both ends or one end are milled with the toe joint mouth of docking, toe joint mouth 10mm;
Bamboo bundle veneer curtain: mao bamboon 1265mm length is blocked, remove joint, be split into the wide bamboo chip of 60 ~ 120mm arc, then scrape green grass or young crops, remove spring, roll silk well-thought-out plan bundle veneer, classify by thickness 4mm, 5mm, 6mm, 7mm, 8mm, uniform thickness bamboo bundle veneer is compiled curtain, weave into that longitudinal bamboo bundle veneer curtain and horizontal bamboo are single restraints plate curtain, longitudinal bamboo bundle veneer curtain has toe joint mouth by Fig. 1, for subsequent use;
Thin bamboo mat: with long 2525mm book bamboo chip work out, wide 1265mm, thick 1mm;
Thin bamboo curtain splint: with long 2525mm book bamboo chip work out, wide 1265mm, thick 1-1.8mm;
By dry for bamboo bundle veneer curtain moisture within 12%, with phenol glue glue spraying or impregnation, drip-dry, redrying moisture control is for subsequent use within 14%, and solid content controls about 25%;
Flattening bamboo chip is shaped dry moisture content within 12%, adopt phenol glue gluing, solids content is about 45%;
By thin bamboo mat, the dry moisture content of thin bamboo curtain splint within 12%, adopt phenol glue impregnation, solids content is at about 28%-30%;
Facing layer material: bamboo mat or slicing decoration panel after tectorial paper or impregnation;
An assembly hot-press molding method: get flattening bamboo chip, the bamboo bundle veneer curtain produced by above-mentioned stock method; On assembly steel plate, gluing is flattened bamboo chip and mats formation one by one, flattening bamboo chip toe joint is connected, squeezes and hold together to pave, then mat formation by illustration 2 number of plies order; Flatten above bamboo chip and spread bamboo bundle veneer curtain, bamboo bundle veneer curtain toe joint spreading, two-berth loads close, then enters the hot pressing of Bidirectional hot press machine, forward 30 ~ 35Kg/cm
2pressurization, side direction 8 ~ 16Kg/cm
2pressurization, hot pressing temperature 130 DEG C ~ 140 DEG C, the dwell time of every millimeter of thickness of slab is 80s; Namely five layers of full bamboo plywood of the hot-forming a kind of new structure of assembly are become.
Embodiment 10 is as embodiment 9, and in long material secondary assembly forming method, its slab can adopt cold moudling: get and produce flattening bamboo chip, bamboo bundle veneer curtain by above-mentioned stock method; Gluing is flattened bamboo chip by assembly steel plate mat formation one by one, flattening bamboo chip toe joint is connected, squeezes and hold together to pave, then mat formation by illustration 2 or Fig. 6 number of plies order; Flatten above bamboo chip and spread bamboo bundle veneer curtain, bamboo bundle veneer curtain toe joint spreading, two-berth loads close, then enters cold press and carries out forward 30 ~ 35Kg/cm
2pressurization and side direction 8 ~ 16Kg/cm
2add and be pressed into slab, angle stake or an end mill is become to become angle stake blanket two end mill by Fig. 3, be sandwich layer by Fig. 4 or Fig. 5 or Fig. 9 two sides symmetrical flattening bamboo lamella spreading 1 layer of applying glue successively slab of colding pressing, or the flattening bamboo lamella of 1 layer of applying glue and 1 layer of bamboo bundle veneer curtain, through hot-forming.
The production method of nine layers of long material of full bamboo plywood of a kind of new structure that embodiment 11 2 assemblies are hot-forming:
Five layers of full bamboo plywood of a kind of new structure that Example 9 is produced are blanket, angle stake or an end mill is become to become angle stake, two sides sanding blanket two end mill by Fig. 3, again with the slab of sanding for sandwich layer, the bamboo bundle veneer curtain of 1 layer of applying glue and the flattening bamboo lamella of 1 layer of applying glue is spread by Fig. 4 structure mitered two sides is symmetrical successively, 1 layer of tectorial paper is spread again on top layer, through hot-forming, be nine layers of long material of full bamboo plywood of the hot-forming a kind of new structure of a kind of secondary assembly.Its hot compression parameters is forward 30 ~ 35Kg/cm
2pressurization, hot pressing temperature 130 DEG C ~ 140 DEG C, mating formation the bamboo bundle veneer curtain of 1 layer of impregnation and the flattening bamboo lamella of 1 layer of applying glue and tectorial paper gross thickness according to secondary, is 80s pressurize by every mm of thickness dwell time.
The production method of nine layers of long material of full bamboo plywood of a kind of new structure that embodiment 12 2 assemblies are hot-forming:
Five layers of full bamboo plywood of a kind of new structure that Example 10 is produced are blanket, angle stake or an end mill is become to become angle stake, two sides sanding blanket two end mill by Fig. 3, again with the slab of sanding for sandwich layer, the Bamboo veneer curtain of 1 layer of applying glue and the flattening bamboo lamella of 1 layer of applying glue is spread by Fig. 4 structure mitered, two sides are symmetrical successively, 1 layer of tectorial paper is spread again on top layer, through hot-forming, be nine layers of long material of full bamboo plywood of the hot-forming a kind of new structure of a kind of secondary group embryo; Its hot compression parameters is forward 30 ~ 35Kg/cm
2pressurization, hot pressing temperature 130 DEG C ~ 140 DEG C, mating formation the Bamboo veneer curtain of 1 layer of applying glue and the flattening bamboo lamella of 1 layer of applying glue and tectorial paper gross thickness according to secondary, is 80s pressurize by every mm of thickness dwell time.
Claims (5)
1. a production method for the full bamboo plywood of new structure, is characterized in that:
(1) get the raw materials ready
Flatten bamboo chip: mao bamboon is blocked by 1265mm, 845mm two kinds of length, remove the bamboo chip saved, the wide 60 ~ 120mm of open arc is wide, flatten, plane into the bamboo chip of wide uniform thickness, drying of shaping through thermoplastic, hot pressing; Classify for subsequent use by thickness 4mm, 5mm, 6mm, 7mm, 8mm and 1265mm, 845mm length;
Flattening bamboo lamella both ends or one end are milled with the toe joint mouth of docking, toe joint mouth 10mm;
Bamboo bundle veneer curtain: mao bamboon 1265mm length is blocked, remove joint, be split into the wide bamboo chip of 60 ~ 120mm arc, then scrape green grass or young crops, remove spring, roll silk well-thought-out plan bundle veneer, classify by thickness 4mm, 5mm, 6mm, 7mm, 8mm, uniform thickness bamboo bundle veneer is compiled curtain, weave into that longitudinal bamboo bundle veneer curtain and horizontal bamboo are single restraints plate curtain, longitudinal bamboo bundle veneer curtain has toe joint mouth, for subsequent use;
Thin bamboo mat: with long 2525mm book bamboo chip work out, wide 1265mm, thick 1mm;
Thin bamboo curtain splint: with long 2525mm book bamboo chip work out, wide 1265mm, thick 1-1.8mm;
By dry for bamboo bundle veneer curtain moisture within 12%, glue spraying or impregnation, drip-dry, redrying moisture control is for subsequent use within 14%, and solid content controls 25%;
Flattening bamboo chip is shaped dry moisture content within 12%, adopt gluing solids content 45%;
By thin bamboo mat, the dry moisture content of thin bamboo curtain splint within 12%, adopt impregnation solids content at 28-30%;
Facing layer material: bamboo mat or slicing decoration panel after tectorial paper or impregnation;
(2) assembly hot-press molding methods: get flattening bamboo chip, the bamboo bundle veneer curtain produced by above-mentioned stock method; On assembly steel plate, gluing is flattened bamboo chip and mats formation one by one, flattening bamboo chip toe joint is connected, squeezes and hold together to pave, then mats formation by number of plies order; Flatten above bamboo chip and spread bamboo bundle veneer curtain, bamboo bundle veneer curtain toe joint spreading, two-berth loads close, then enters hot press and carries out forward 30 ~ 35Kg/cm
2pressurization and side direction 8 ~ 16Kg/cm
2add and be pressed into plate;
(3) long material secondary assembly forming method: get and produce flattening bamboo chip, bamboo bundle veneer curtain by above-mentioned stock method; Gluing is flattened bamboo chip by assembly steel plate mat formation one by one, flattening bamboo chip toe joint is connected, squeezes and hold together to pave, then mats formation by number of plies order; Flatten above bamboo chip and spread bamboo bundle veneer curtain, bamboo bundle veneer curtain toe joint spreading, two-berth loads close, then enters cold press and carries out forward 30 ~ 35Kg/cm
2pressurization and side direction 8 ~ 16Kg/cm
2adding and be pressed into slab, become angle stake or an end mill to become angle stake blanket two end mill, take blanket as the sandwich layer both sides symmetrical flattening bamboo lamellas spreading 1 layer of applying glue successively, or the flattening bamboo lamella of 1 layer of applying glue and 1 layer of bamboo bundle veneer curtain, through being hot pressed into long profiles.
2. the production method of the full bamboo plywood of a kind of new structure according to right 1, is characterized in that long material slab adopts hot-forming, hot press forward 30 ~ 35Kg/cm
2pressurization and side direction 8 ~ 16Kg/cm
2add and be pressed into slab, hot pressing temperature 130 DEG C ~ 140 DEG C, the dwell time of every millimeter of thickness of slab is 80s; Angle stake or an end mill is become to become angle stake, two sides sanding blanket two end mill, then with the slab of sanding for the sandwich layer both sides successively symmetrical flattening bamboo lamella spreading 1 layer of applying glue, or the flattening bamboo lamella of 1 layer of applying glue and 1 layer of Bamboo veneer curtain, through being hot pressed into long profiles.
3. the production method of the full bamboo plywood of a kind of new structure according to claim 1 and 2, is characterized in that extexine has 1 layer of finish coat, and finish coat is thin bamboo mat or slicing decoration panel after tectorial paper or impregnation.
4. the production method of the full bamboo plywood of a kind of new structure according to claim 1 and 2, is characterized in that intermediate symmetry establishes 1 layer of thin bamboo curtain splint, to adjust gross thickness.
5. a full bamboo plywood product for new structure, is characterized in that the product adopting the method for one of claim 1-3 to produce.
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| CN201210543558.5A CN103128808B (en) | 2012-11-29 | 2012-11-29 | A kind of full bamboo plywood of new structure and manufacture method |
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| CN103128808B true CN103128808B (en) | 2016-04-13 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103770167A (en) * | 2014-01-20 | 2014-05-07 | 仁化县奥达胶合板有限公司 | Manufacturing technique of bamboo bundle plywood |
| CN104908127B (en) * | 2014-03-11 | 2017-12-22 | 姚本海 | A kind of bamboo wood preparation method and applications structure |
| CN106003358B (en) * | 2016-06-03 | 2019-01-15 | 南京林业大学 | A kind of square crossing bamboo structural material for building |
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Effective date of registration: 20200428 Address after: 366100, No. 4, Hou Yang Town, Datian Town, Datian County, Fujian, Sanming City Patentee after: Jinmen Hydraulic Press Mfg. Co., Ltd., Datian County, Fujian Prov. Address before: 366100, Fujian, Sanming City Province, all the county town, Chengguan, No. 4, No. Co-patentee before: Fan Jinmei Patentee before: Huang Chengcun |