CN113352409A - High-strength combined bamboo board and manufacturing method thereof - Google Patents
High-strength combined bamboo board and manufacturing method thereof Download PDFInfo
- Publication number
- CN113352409A CN113352409A CN202110794907.XA CN202110794907A CN113352409A CN 113352409 A CN113352409 A CN 113352409A CN 202110794907 A CN202110794907 A CN 202110794907A CN 113352409 A CN113352409 A CN 113352409A
- Authority
- CN
- China
- Prior art keywords
- bamboo
- layer
- pressing
- manufacturing
- board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 280
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 280
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 280
- 241001330002 Bambuseae Species 0.000 title claims abstract description 274
- 239000011425 bamboo Substances 0.000 title claims abstract description 274
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000007731 hot pressing Methods 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000010298 pulverizing process Methods 0.000 claims abstract description 5
- 239000000084 colloidal system Substances 0.000 claims abstract description 4
- 238000003892 spreading Methods 0.000 claims abstract description 4
- 230000007480 spreading Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 17
- 239000002699 waste material Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 241000209128 Bambusa Species 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 63
- 239000000835 fiber Substances 0.000 description 23
- 239000002023 wood Substances 0.000 description 11
- 239000002131 composite material Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention provides a high-strength combined bamboo board and a manufacturing method thereof, the high-strength combined bamboo board comprises an upper bamboo chip pressing layer, a middle pressing layer and a lower bamboo chip pressing layer, wherein the middle pressing layer is formed by hot pressing of at least one of bamboo joints, bamboo rhizomes and bamboo stem bases through glue after being crushed, and the manufacturing method comprises the following steps: firstly, selecting bamboo; step two, cutting: taking at least one of bamboo joints, bamboo rhizomes and bamboo stem bases of bamboos as a standby material; step three, material treatment: pulverizing the standby materials into 0.5-30mm bamboo filaments, compressing the bamboo filaments under a certain pressure, spreading the loose bamboo filaments in a mold, adding colloid, and hot-pressing under a pressure of 5-10MPa to form an intermediate pressing layer; and fourthly, forming. The bamboo board has the advantages that the structural strength of the bamboo board is effectively improved, the shearing resistance, the shock resistance, the stress and the bearing effect of the bamboo board are improved, the tensile capacity of the bamboo board is improved, the full utilization degree of bamboos is improved, the waste discharge and the environmental pollution are reduced, and the production cost is saved.
Description
Technical Field
The invention relates to the technical field of bamboo boards, in particular to a high-strength combined bamboo board and a manufacturing method thereof.
Background
Longitudinally cutting bamboo into thin bamboo strips, and processing the bamboo strips into a thin bamboo strip curtain; rolling the remainders (such as board skins, wood cores and other waste materials) or small-diameter woods after wood making and rotary cutting into net-shaped wood bundles, and sewing the net-shaped wood bundles into a wood bundle curtain; the method comprises the steps of using rotary-cut wood veneers and the like as constituent units, respectively drying and gluing, then using wood bundle curtains as core layers, bamboo skin curtains as inner layers, using wood veneers as surface layers, and optionally a layer of impregnated paper on the surface layers to form a slab with a symmetrical layered structure, and synthesizing the bamboo-wood composite board through hot-pressing glue.
The existing bamboo boards in the market are mainly pure bamboo chip plywood, and the bamboo boards can be directly used for indoor and outdoor floors and can be used as materials for manufacturing furniture after being pasted with skins. The bamboo veneer is also used for gluing with a wood board in some products. The Chinese utility model patent with the application number of 200620104966.0 discloses a bamboo sheet faced composite board, which comprises at least one upper layer, a middle layer and a lower bottom layer, wherein each adjacent splicing seam is provided with a binder, the splicing seams of each adjacent layer are separated by 90 degrees, the upper layer and the lower bottom layer are bamboo sheet-shaped strip-shaped flat splicing combination or flat splicing and stacking combination or cross weaving combination, and the middle layer is a cylindrical strip-shaped plant composition set; the cylindrical long-strip plants in the middle layer are tiled, combined and integrated. Because the upper layer and the lower layer of the utility model are made of bamboo, the surface hardness is good and the smoothness is good; but the utility model has low integral strength and is not suitable for being made into high-grade furniture because the density of the material is not high. Also, as the chinese utility model patent with application number 200920105908.3, a bamboo-wood composite board manufactured by using an ultra-thick rotary cut veneer is disclosed, which comprises a core board, a face board and a back board, wherein the core board is an ultra-thick rotary cut board with the thickness of 4.5 mm-12 mm; the panel and the back plate are made of bamboo, the core plate comprises a plurality of layers of super-thick veneers formed by combining adjacent layers along grains, a glue layer is arranged between the adjacent veneers, and a binder of the glue layer is a water-based high-molecular isocyanate adhesive; the core layer super-thick veneer is a veneer subjected to stress enzyme degradation treatment, namely, a point-shaped or linear crack is formed on the loose surface of each layer of veneer along the grain direction. The utility model and the Chinese utility model with the patent number 200620104966.0 have similar advantages and disadvantages in the whole structure, and various mechanical properties are still acceptable, but still can not meet the requirement of making high-quality furniture.
The bamboo joints, the base parts of the bamboo stems and the bamboo rhizomes in the manufacturing process can only be treated as waste materials, resources are directly wasted by discarding, the environment is polluted simultaneously, the waste materials have unique characteristics, the fiber is short, the structure is compact, and the hardness is strong, so that the problem which needs to be solved urgently at present is solved if the waste materials are utilized.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the high-strength combined bamboo board and the manufacturing method thereof, wherein the manufacturing method is simple, the structural strength is high, the production waste discharge is convenient to reduce, the environmental protection is improved, and the service life is long.
The technical scheme of the invention is as follows: a high-strength combined bamboo board comprises an upper bamboo sheet pressing layer, a middle pressing layer and a lower bamboo sheet pressing layer, wherein the middle pressing layer is formed by crushing at least one of bamboo joints, bamboo rhizomes and bamboo stem bases and then hot-pressing the bamboo joints, the bamboo rhizomes and the bamboo stem bases through glue.
The bamboo board has a simple structure, bamboo joints, bamboo rhizomes and bamboo stem bases are used as materials of the middle pressing layer, the materials have outstanding advantages, gaps among bamboo fibers are small, the structure is compact, the density is large, the hardness is high, the bamboo boards are crushed and then used for manufacturing bamboo boards, the structural strength of the bamboo boards is effectively improved, waste can be recycled, the pollution to the environment is reduced, and the environment friendliness is improved.
The fiber form of the four-year-old bamboo rhizome has the average fiber length of 650-950 μm, the fiber diameter of 20-25 μm, the fiber cavity diameter of 10-15 μm, the double wall thickness of 8-11 μm, the wall-cavity ratio of 0.6-0.9, the cavity-diameter ratio of 0.5-0.6 and the length-width ratio of 30-40; the bamboo rhizome comprises a coming rhizome and a going rhizome, the difference between the two parts has little influence on the manufacture of the bamboo board in the scheme, the contents of the cellulose nitrate, the lignin and the extract in the bamboo rhizome are gradually increased along with the gradual increase of the age of the bamboo, and the content of pentosan is gradually reduced; therefore, the bamboo fibers are subjected to hot press molding in the manufacturing process, the fiber cavity diameter and the like of the bamboo fibers are extruded under high pressure, the combination effect of the bamboo fibers is tighter, and the structural strength of the bamboo fibers is stronger.
The bamboo stem base part is the bamboo root, the greater the density of the bamboo root, the tighter the bamboo fiber is, the stronger the shearing resistance is, the average value of the shearing strength of the bamboo board with the moisture content of 12% is 26MPa, and the fibers of the bamboo stem base part are scattered and distributed in the process of manufacturing the bamboo board, and then are subjected to hot press molding, so that the hardness and the structural strength of the bamboo stem base part are greatly improved and are respectively about 1.9 and 2.9 times of the shearing strength in the V direction of the grain between the bamboo joints and the shearing strength in the H direction of the grain, because the shearing resistance of the cross grain is the load to break and separate the vascular bundle, the fibers and the like, and the shearing resistance of the grain is the load to separate the vascular bundle, the fibers and the like pairwise.
The bamboo joints are composed of stalk rings, sheath rings and joints, and play a role in transverse transportation and conduction of moisture and nutrients and mechanical support, so that the structural strength and the hardness of the bamboo joint are high, the crushed bamboo joint fibers are uniformly paved in the preparation process of the bamboo board, the overlapping proportion of the bamboo joints in the thickness direction of the board blank is kept consistent, and the uniformity of the performance of the bamboo board is ensured.
A manufacturing method of a high-strength combined bamboo board comprises the following steps:
firstly, selecting bamboo materials: bamboo with the growth period of more than four years is taken;
step two, cutting: cutting the stem of the bamboo into bamboo pieces according to the size, and taking at least one of bamboo joints, bamboo rhizome and the base of the stem of the bamboo as a standby material;
step three, material treatment: pulverizing the standby materials into 0.5-30mm bamboo filaments, compressing the bamboo filaments under a certain pressure, spreading the loose bamboo filaments in a mold, adding colloid, and hot-pressing under a pressure of 5-10MPa to form an intermediate pressing layer;
fourthly, forming: the bamboo chips are hot-pressed into an upper bamboo chip pressing layer and a lower bamboo chip pressing layer through glue, then an intermediate plate is placed between the upper bamboo chip pressing layer and the lower bamboo chip pressing layer and glued, and the bamboo chip is formed by hot-pressing and fastening.
The manufacturing method has the advantages that all parts of the bamboo can be effectively and completely utilized, the operation method is simple and convenient, the structural strength of the bamboo board is effectively improved, the shear resistance, the shock resistance, the stress resistance and the bearing capacity of the bamboo board are improved, the bamboo is fully utilized, the waste discharge is reduced, the environmental pollution is reduced, and the utilization value of bamboo joints, bamboo rhizome and bamboo stem base parts is improved.
Preferably, in the third step, the thickness of the intermediate pressed layer is 1 to 3 cm. Preferably, the thickness of the intermediate pressed layer may also be 1.2-2.5cm, 0.5cm or 0.8 cm; preferably, the thickness of the intermediate pressed layer is 1.3 or 1.5 cm.
Preferably, in the fourth step, the thicknesses of the upper bamboo chip pressed layer and the lower bamboo chip pressed layer are both 0.3-2 cm. Preferably, the thickness of the upper bamboo chip pressing layer and the thickness of the lower bamboo chip pressing layer are both 0.0.35-1.5 cm; more preferably, the thickness of the upper bamboo chip pressed layer and the lower bamboo chip pressed layer is 0.4, 0.5 or 0.6 cm.
Preferably, in the third step, the pressure for pressing the bamboo filaments is 5.5-9 MPa. More preferably, the pressure is 6 or 8 MPa.
Preferably, in the third step, the bamboo filaments are dried after being compressed until the moisture content is 5-10%. Preferably, the bamboo filaments are dried after being pressed tightly until the moisture content is 6-9%; preferably, the bamboo filaments are dried after being compressed until the moisture content is 7 or 8%.
Preferably, the third step, carry on the poaching with the stock before pulverizing, facilitate getting rid of grease and sugar in the stock, facilitate improving the effect of its subsequent hot briquetting, avoid the worm to damage the stock, facilitate the improvement of the service life of the bamboo clapper.
Preferably, in the fourth step, the temperature of the molding hot pressing is controlled to be 80-120 ℃, and the pressure is controlled to be 11-18 MPa.
The invention has the following characteristics: the bamboo board has the advantages that the structural strength of the bamboo board is effectively improved, the shearing resistance, the shock resistance, the stress and the bearing effect of the bamboo board are improved, the tensile capacity of the bamboo board is improved, the full utilization degree of the bamboo is improved, the waste discharge is reduced, the pollution to the environment is reduced, and the production cost is saved.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1-is a cross-sectional view of a bamboo panel of the present invention;
1 upper bamboo chip pressing layer, 2 middle pressing layer and 3 lower bamboo chip pressing layer.
Detailed Description
As shown in the attached drawings: a high-strength combined bamboo board comprises an upper bamboo sheet pressing layer, a middle pressing layer and a lower bamboo sheet pressing layer, wherein the middle pressing layer is formed by crushing at least one of bamboo joints, bamboo rhizomes and bamboo stem bases and then hot-pressing the bamboo joints, the bamboo rhizomes and the bamboo stem bases through glue.
The bamboo board has a simple structure, bamboo joints, bamboo rhizomes and bamboo stem bases are used as materials of the middle pressing layer, the materials have outstanding advantages, gaps among bamboo fibers are small, the structure is compact, the density is large, the hardness is high, the bamboo boards are crushed and then used for manufacturing bamboo boards, the structural strength of the bamboo boards is effectively improved, waste can be recycled, the pollution to the environment is reduced, and the environment friendliness is improved.
The high-strength combined bamboo board is manufactured by the following method, and specifically comprises the following steps:
firstly, selecting bamboo materials: selecting bamboo with growth period of more than four years; the fiber maturity of the bamboo in the growth period is optimal, the hardness and the saturation of the bamboo chips are optimal, and the structural strength of the manufactured bamboo board is higher;
step two, cutting: cutting the stems of the bamboos into bamboo chips according to the size, wherein the bamboo chips are used as manufacturing materials of an upper bamboo chip pressing layer and a lower bamboo chip pressing layer, so that the structural strength and the water resistance of the upper bamboo chip pressing layer and the lower bamboo chip pressing layer are improved conveniently; taking at least one of bamboo joints, bamboo rhizomes and bamboo stem bases of bamboos as a standby material; in this embodiment, adopt the bamboo joint as reserve material, the structural strength of bamboo joint is high, and its fibre is short inseparable simultaneously, the improvement of the bamboo clapper structural strength of being convenient for.
In another embodiment, bamboo joints and bamboo rhizomes are used as standby materials according to the weight ratio of 1:1, fibers on the bamboo joints are less than those on the bamboo rhizomes, but the hardness of the bamboo joints is higher than that of the bamboo rhizomes, and the bamboo joints and the bamboo rhizomes are combined to have the structural strength of the bamboo joints and fully utilize the toughness of the bamboo rhizomes fibers, so that the structural strength and the toughness of the bamboo boards are fully embodied after the bamboo boards are manufactured, and meanwhile, the sources of raw materials of the bamboo boards are improved.
In another embodiment, bamboo joints, bamboo rhizomes and bamboo stem base parts are used as standby materials, and the weight of the bamboo rhizomes and the bamboo stem base parts accounts for half of the total weight, so that the structural strength of the bamboo board is effectively improved, and the full utilization of bamboos is improved.
In another embodiment, bamboo joints, bamboo rhizomes and bamboo stem bases are used as standby materials according to the proportion of 1:1:1, the structural strength of the bamboo board is effectively improved, and the full utilization of bamboos is improved.
In another embodiment, the bamboo rhizome and the base of the bamboo stem are used as standby materials according to the proportion of 1:1, the structural strength of the bamboo board is effectively improved, the full utilization of the bamboo is improved, the combination has the best performance, and the structural strength, the shearing resistance, the shock resistance, the stress, the tensile resistance and the bearing effect of the bamboo board are outstanding.
Step three, material treatment: pulverizing the raw materials into 0.5-30mm bamboo filaments, pressing the bamboo filaments under a certain pressure, spreading the loose bamboo filaments in a mold, adding colloid, and hot-pressing under a pressure of 5-10MPa to form an intermediate pressing layer, preferably, under a pressure of 5.5-9 MPa. Preferably, the pressure is 6 or 8MPa, so that the damage to the bamboo fibers is reduced conveniently, and meanwhile, the gaps among the bamboo fibers can be reduced, so that the bamboo filaments are structurally compact and have stronger structures and higher toughness.
In the examples, the thickness of the intermediate pressed layer is 1-3 cm. More preferably, the thickness of the intermediate pressed layer may also be 1.2-2.5cm, 0.5cm or 0.8 cm; most preferably, the thickness of the intermediate pressed layer is 1.3 or 1.5 cm.
In the embodiment, the bamboo filaments are dried after being pressed to a moisture content of 5-10%. Preferably, the bamboo filaments are dried after being pressed tightly until the moisture content is 6-9%; preferably, the bamboo filaments are dried after being compressed until the moisture content is 7 or 8%.
In the embodiment, carry out the poaching with the standby material before smashing, be convenient for get rid of grease and sugar in the standby material, be convenient for improve the effect of its follow-up hot briquetting, avoid the worm to damage the standby material, the improvement of the bamboo clapper life of being convenient for can play the softening to the standby material simultaneously, avoids the standby material too fragile, and is broken and influence fibrous structure at sticising the in-process, is convenient for improve the structural strength and the toughness of standby material.
Fourthly, forming: the bamboo chips are hot-pressed into an upper bamboo chip pressing layer and a lower bamboo chip pressing layer through glue, then an intermediate plate is placed between the upper bamboo chip pressing layer and the lower bamboo chip pressing layer and glued, and the bamboo chip is formed by hot-pressing and fastening. In an embodiment, the upper and lower bamboo chip pressed layers each have a thickness of 0.3-2 cm. Preferably, the thickness of the upper bamboo chip pressing layer and the thickness of the lower bamboo chip pressing layer are both 0.0.35-1.5 cm; more preferably, the thickness of the upper bamboo chip pressed layer and the lower bamboo chip pressed layer is 0.4, 0.5 or 0.6 cm.
In the embodiment, the temperature of molding hot pressing is controlled to be 80-120 ℃, and the pressure is controlled to be 11-18 MPa; preferably, the temperature of the molding hot pressing is controlled to be 90-110 ℃, and the pressure is controlled to be 12-15 MPa; more preferably, the temperature of the molding hot pressing is controlled at 100 ℃, and the pressure is controlled at 13 or 14 MPa.
In another embodiment, the arrangement directions of the bamboo chips of the upper bamboo chip pressing layer and the lower bamboo chip pressing layer are relatively and vertically arranged, so that the structural strength of the bamboo board is improved, and the bearing effect of the bamboo board is improved.
The manufacturing method has the advantages that all parts of the bamboo can be effectively and completely utilized, the operation method is simple and convenient, the structural strength of the bamboo board is effectively improved, the shear resistance, the shock resistance, the stress resistance and the bearing capacity of the bamboo board are improved, the bamboo is fully utilized, the waste discharge is reduced, the environmental pollution is reduced, and the utilization value of bamboo joints, bamboo rhizome and bamboo stem base parts is improved.
Setting an anti-shearing force strength test on the bamboo board, setting an experimental group A, B and a C group and a control group, wherein the control group is made of the conventional bamboo board without bamboo joints, bamboo rhizomes and bamboo stem bases, setting three repetitions in each group of experiments, and comparing the average values of the anti-shearing force strengths of the experiments;
the experimental group A adopts bamboo joints and bamboo rhizomes according to the weight ratio of 1: 1;
the experimental group B adopts bamboo joints, bamboo rhizomes and bamboo stem bases to be prepared according to the proportion of 1:1: 1;
the experimental group C adopts bamboo rhizome and bamboo stem base parts to be configured according to the proportion of 1: 1;
after the detection, the average values of the shearing strength of the experimental group A, B and the shearing strength of the C group are respectively 20MPa, 23.6MPa and 30MPa, while the shearing strength of the bamboo board of the comparison group is 15MPa, so that the shearing strength of the experimental group A, B and the shearing strength of the C group are obviously superior to that of the comparison group, and the tensile strength and the bearing capacity of the bamboo board are also superior to those of the comparison group.
The bamboo board has the advantages that the structural strength of the bamboo board is effectively improved, the shearing resistance, the shock resistance, the stress and the bearing effect of the bamboo board are improved, the tensile capacity of the bamboo board is improved, the full utilization degree of the bamboo is improved, the waste discharge is reduced, the pollution to the environment is reduced, and the production cost is saved.
The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solutions of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a high strength combination bamboo clapper, includes bamboo chip presswork layer, middle presswork layer and lower bamboo chip presswork layer, its characterized in that: the middle pressing layer is formed by crushing at least one of bamboo joints, bamboo rhizomes and bamboo stem bases and then hot-pressing the crushed bamboo rhizomes and bamboo rhizomes by glue.
2. A manufacturing method of a high-strength combined bamboo board is characterized by comprising the following steps:
firstly, selecting bamboo materials: bamboo with the growth period of more than four years is taken;
step two, cutting: cutting the stem of the bamboo into bamboo pieces according to the size, and taking at least one of bamboo joints, bamboo rhizome and the base of the stem of the bamboo as a standby material;
step three, material treatment: pulverizing the standby materials into 0.5-30mm bamboo filaments, compressing the bamboo filaments under a certain pressure, spreading the loose bamboo filaments in a mold, adding colloid, and hot-pressing under a pressure of 5-10MPa to form an intermediate pressing layer;
fourthly, forming: the bamboo chips are hot-pressed into an upper bamboo chip pressing layer and a lower bamboo chip pressing layer through glue, then an intermediate plate is placed between the upper bamboo chip pressing layer and the lower bamboo chip pressing layer and glued, and the bamboo chip is formed by hot-pressing and fastening.
3. The method for manufacturing a high-strength combined bamboo board according to claim 2, wherein: and thirdly, the thickness of the middle pressed layer is 1-3 cm.
4. The method for manufacturing a high-strength combined bamboo board according to claim 2, wherein: fourthly, the thickness of the upper bamboo chip pressing layer and the thickness of the lower bamboo chip pressing layer are both 0.3-2 cm.
5. The method for manufacturing a high-strength combined bamboo board according to claim 2, wherein: and thirdly, the pressure of the compressed bamboo filaments is 5-15 MPa.
6. The method for manufacturing a high-strength combined bamboo board according to claim 2, wherein: and thirdly, pressing the bamboo filaments tightly and drying the bamboo filaments until the moisture content is 5-10%.
7. The method for manufacturing a high-strength combined bamboo board according to claim 2, wherein: and step three, boiling the standby materials in water before crushing.
8. The method for manufacturing a high-strength combined bamboo board according to claim 2, wherein: fourthly, the temperature of the molding hot pressing is controlled to be 80-120 ℃, and the pressure is controlled to be 11-18 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794907.XA CN113352409A (en) | 2021-07-14 | 2021-07-14 | High-strength combined bamboo board and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794907.XA CN113352409A (en) | 2021-07-14 | 2021-07-14 | High-strength combined bamboo board and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113352409A true CN113352409A (en) | 2021-09-07 |
Family
ID=77539400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110794907.XA Pending CN113352409A (en) | 2021-07-14 | 2021-07-14 | High-strength combined bamboo board and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113352409A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362808Y (en) * | 1998-12-15 | 2000-02-09 | 湖南省洪江市联合竹胶板厂 | Bamboo composite container base board |
| CN1923481A (en) * | 2006-09-12 | 2007-03-07 | 张力新 | Bamboo filament fibre board and bamboo filament, method for making bamboo filament fibre board |
| CN101036994A (en) * | 2007-05-15 | 2007-09-19 | 李坚华 | Laminated sheets of tabasheer core layer and the outer bamboo bottom layer and the processing method |
| CN201125526Y (en) * | 2007-11-03 | 2008-10-01 | 浙江晨峰模板有限公司 | Bamboo glue template |
| CN101274444A (en) * | 2007-03-30 | 2008-10-01 | 葛会龙 | Whole bamboo high strength composite industrial floor |
| CN104626330A (en) * | 2015-03-11 | 2015-05-20 | 邵武市美好竹木有限公司 | Method for producing plybamboos by using bamboo three-remains |
| CN107671974A (en) * | 2017-10-17 | 2018-02-09 | 张�杰 | It is a kind of to prevent dry and cracked Furniture manufacturing flow |
| CN108638226A (en) * | 2018-04-25 | 2018-10-12 | 李阳 | A kind of Recombined bamboo composite plate and processing method |
| CN109333706A (en) * | 2018-11-16 | 2019-02-15 | 绩溪县马道竹木制品有限公司 | A kind of bamboo wood board and preparation method thereof |
-
2021
- 2021-07-14 CN CN202110794907.XA patent/CN113352409A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362808Y (en) * | 1998-12-15 | 2000-02-09 | 湖南省洪江市联合竹胶板厂 | Bamboo composite container base board |
| CN1923481A (en) * | 2006-09-12 | 2007-03-07 | 张力新 | Bamboo filament fibre board and bamboo filament, method for making bamboo filament fibre board |
| CN101274444A (en) * | 2007-03-30 | 2008-10-01 | 葛会龙 | Whole bamboo high strength composite industrial floor |
| CN101036994A (en) * | 2007-05-15 | 2007-09-19 | 李坚华 | Laminated sheets of tabasheer core layer and the outer bamboo bottom layer and the processing method |
| CN201125526Y (en) * | 2007-11-03 | 2008-10-01 | 浙江晨峰模板有限公司 | Bamboo glue template |
| CN104626330A (en) * | 2015-03-11 | 2015-05-20 | 邵武市美好竹木有限公司 | Method for producing plybamboos by using bamboo three-remains |
| CN107671974A (en) * | 2017-10-17 | 2018-02-09 | 张�杰 | It is a kind of to prevent dry and cracked Furniture manufacturing flow |
| CN108638226A (en) * | 2018-04-25 | 2018-10-12 | 李阳 | A kind of Recombined bamboo composite plate and processing method |
| CN109333706A (en) * | 2018-11-16 | 2019-02-15 | 绩溪县马道竹木制品有限公司 | A kind of bamboo wood board and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7647957B2 (en) | Method for making plywood and dimensional lumber from Arundo donax L. or bamboo | |
| CN101298157B (en) | High-hardness plate and manufacturing method thereof | |
| CN102785273A (en) | Three-hot-pressing and two-sanding eucalyptus poplar composite artificial board and method for manufacturing same | |
| JP6469318B2 (en) | Wood laminate | |
| CN101066607A (en) | Process of producing stalk recombining material | |
| JPWO2018216682A1 (en) | Method of using palm material, and wood-based material and method of manufacturing the same | |
| CN104118018A (en) | Inorganic flame retarding bamboo and wood composite ecological plant fiber board and production method thereof | |
| CN108162121A (en) | Oriented wood chipboard and orientation wood-based plate | |
| CN101549505A (en) | Veneer for container base plate | |
| US20130199743A1 (en) | Binderless panel made from wood particles and cellulosic fibers | |
| EP4360836A1 (en) | Juncao fiberboard and preparation method therefor | |
| CN113352409A (en) | High-strength combined bamboo board and manufacturing method thereof | |
| CN104960066B (en) | A kind of grass tree structural slab and its production technology | |
| CN105313208A (en) | Manufacturing method of reconsolidated straws | |
| CN111645164A (en) | Novel wood shaving accumulated material for house beam and manufacturing process thereof | |
| CN106625981B (en) | Poplar recombined wood applied to structural wood and preparation method thereof | |
| JP6143046B2 (en) | Laminated plywood | |
| CN107503640A (en) | A kind of solid wood composite door | |
| JP6168357B2 (en) | WOOD LAMINATE AND METHOD FOR MANUFACTURING THE SAME | |
| CN211686632U (en) | Bamboo-wood laminated container bottom plate | |
| CN206653489U (en) | Structure poplar wood base Scrimber | |
| WO2019109651A1 (en) | Artificial board containing straw surface layer and wood core layer | |
| CN205009346U (en) | Ecological wood bamboo fibre composite decoration panel | |
| WO2018061919A1 (en) | Consolidated plywood | |
| JP6086523B2 (en) | Oil palm compact |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210907 |
|
| RJ01 | Rejection of invention patent application after publication |