CN114905594A - Bamboo board and production method thereof - Google Patents
Bamboo board and production method thereof Download PDFInfo
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- CN114905594A CN114905594A CN202210653890.0A CN202210653890A CN114905594A CN 114905594 A CN114905594 A CN 114905594A CN 202210653890 A CN202210653890 A CN 202210653890A CN 114905594 A CN114905594 A CN 114905594A
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 145
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 145
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 145
- 241001330002 Bambuseae Species 0.000 title claims abstract description 136
- 239000011425 bamboo Substances 0.000 title claims abstract description 136
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000003292 glue Substances 0.000 claims abstract description 59
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000010297 mechanical methods and process Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000002023 wood Substances 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 11
- 239000002657 fibrous material Substances 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 11
- 229920001568 phenolic resin Polymers 0.000 description 11
- 239000005011 phenolic resin Substances 0.000 description 11
- 229920001187 thermosetting polymer Polymers 0.000 description 10
- 241000209128 Bambusa Species 0.000 description 9
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- 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
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/263—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer having non-uniform thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/042—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention relates to the technical field of bamboo board production, and discloses a bamboo board and a production method thereof, wherein the bamboo board is formed by gluing a plurality of bamboo chips along the thickness direction of the bamboo chips, inner joints and outer joints of the bamboo chips are removed, green surfaces of the bamboo chips are treated by a mechanical method, linear gluing surfaces are formed on the green surfaces of the bamboo chips, the length direction of the linear gluing surfaces is consistent with the length direction of the bamboo chips, the depth is not more than 2mm, the width is not more than 5mm, the distance is 1-10 mm, the yellow surfaces of the bamboo chips can be treated or not treated, and the bamboo chips are glued by glue layers. According to the bamboo surface gluing method, the green surfaces of the bamboo chips are mechanically treated, and partial green surfaces are removed to form the gluing surface, so that the gluing area is increased, the tension of the green surfaces in the gluing process is reduced, the size of the groove is reasonable, the gluing strength and stability of the bamboo chips are guaranteed, the material utilization rate of the bamboo is guaranteed, and the use requirements of people in production and life are met.
Description
Technical Field
The invention relates to the technical field of bamboo board production, in particular to a bamboo board and a production and manufacturing method thereof.
Background
In the process of producing the bamboo board, the green bamboos and the tabasheers on two sides of the existing bamboo chips are removed, glued or gummed veneers are added between the bamboo chips, the bamboo board is formed by pressure curing treatment, the existing schemes are optimized, the green bamboos and the tabasheers are simply destroyed on two sides after the green bamboos and the tabasheers are removed, so that the gluing between the bamboo chips is firmer, but the complete removal of the green bamboos and the tabasheers leads the material utilization rate of the whole original bamboo to be lower, the cost of the bamboo board is extremely high, meanwhile, the gluing capacity between the bamboo chips without the damage of the green bamboos is poorer, the strength of the manufactured bamboo board is poorer, when the green bamboos are not removed, the gluing strength between the bamboo chips is further poorer due to the tension of the green bamboos, even the bamboo board can not be formed, and the use requirements of people in production and life can not be met.
Disclosure of Invention
The invention aims to solve the problems of poor strength and stability or higher cost in the prior art, and provides a bamboo board and a production and manufacturing method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bamboo board is formed by gluing a plurality of bamboo chips along the thickness direction of the bamboo chips, inner joints and outer joints of the bamboo chips are removed, the green surfaces of the bamboo chips are treated by a mechanical method, linear gluing surfaces are formed on the green surfaces of the bamboo chips, the length direction of the linear gluing surfaces is consistent with the length direction of the bamboo chips, the depth is not more than 2mm, the width is not more than 5mm, the distance is 1-10 mm, the yellow surfaces of the bamboo chips can be treated and not treated, and the bamboo chips are glued by glue layers.
Preferably, the glue layer between the bamboo chips is one or more of a wood veneer coated with or impregnated with glue and a fiber material.
Preferably, the glue is a hot-setting type glue or a cold-setting type glue.
A bamboo board and a production method thereof, the production method comprises the following steps:
the method comprises the following steps: preparing materials: processing bamboo chips with proper width and length according to the required size of the bamboo board, removing inner joints and outer joints of the bamboo chips by a mechanical method, and processing green surfaces of the bamboo chips by the mechanical method to form strip-shaped glued surfaces; treating or not treating tabasheer surface;
step two: glue spreading/dipping: preparing one or more of proper glue, wood veneers and fiber materials according to the requirements, and coating or impregnating the glue on one or more of the wood veneers and the fiber materials;
step three: assembling: according to the requirement, at least one glue layer is clamped between every two bamboo chips, and the glue layer can be one or more of a wood veneer coated with glue or impregnated with glue and a fiber material;
step four: and (3) pressure gluing: according to the curing requirement of the glue, the plate blank is given certain pressure and certain time under the condition of high temperature or normal temperature so as to cure the glue.
Preferably, after the glue in the fourth step is cured, post-treatment is performed, that is, burrs and the like are removed from the plate blank, and the plate blank is processed into a proper size.
Compared with the prior art, the invention provides a bamboo board and a production method thereof, and the bamboo board has the following beneficial effects:
1. the invention greatly improves the utilization rate of bamboo materials by keeping partial green bamboos and partial or all yellow bamboos in the production and manufacturing process of the bamboo boards, adopts the interval slotting, and the gluing surface formed by the slotting greatly ensures the strength of the produced bamboo boards, meets the use requirements of people in production and life,
2. the reasonable grooving of the green bamboo surface reduces the tension of the green bamboo surface in the gluing process, promotes the gluing process and also ensures the stability of the bamboo board.
3. The grooving size is reasonable, the bonding strength and the bamboo utilization rate of the bamboo plate are considered, and the grooving process is more convenient compared with the process of removing the green bamboo.
According to the bamboo surface gluing method, the green surfaces of the bamboo chips are mechanically removed to form the gluing surface, the gluing area is increased, the tension of the green surfaces in the gluing process is reduced, the size of the grooves is reasonable, the gluing strength and the gluing stability of the bamboo chips are guaranteed, the material utilization rate of the bamboo materials is guaranteed, and the use requirements of people in production and life are met.
Drawings
FIG. 1 is a schematic view of a bamboo board and a processed bamboo chip of the manufacturing method thereof according to the present invention;
FIG. 2 is a schematic view of a bamboo board and a bamboo chip without bamboo joints and bamboo green removed produced by the method of the present invention;
FIG. 3 is a schematic view of a bamboo board and a method for manufacturing the same according to the present invention, wherein the inner joint and the outer joint of the bamboo board have been removed, and the outer skin of the bamboo board has not been removed;
FIG. 4 is an enlarged view of a portion of the detail of FIG. 1;
FIG. 5 is a schematic structural diagram of a first plate blank of the bamboo board and the manufacturing method thereof according to the present invention;
FIG. 6 is an enlarged detail view of portion A of FIG. 5;
FIG. 7 is a schematic side view of a first processed bamboo chip of a bamboo board according to the present invention;
FIG. 8 is a schematic view of a bamboo board and a second processed bamboo chip of the manufacturing method of the bamboo board according to the present invention;
FIG. 9 is an enlarged view of a portion of the detail of FIG. 8;
fig. 10 is a schematic side sectional view of a second processed bamboo chip of a bamboo board according to the present invention;
FIG. 11 is a schematic structural diagram of a second bamboo board and a second board blank produced by the method;
FIG. 12 is an enlarged detail view of portion B of FIG. 11;
FIG. 13 is a schematic structural view of a processed bamboo chip III of the bamboo board and the manufacturing method thereof according to the present invention;
FIG. 14 is an enlarged view of a portion of the detail of FIG. 13;
FIG. 15 is a schematic side sectional view of a processed bamboo chip III according to the present invention;
FIG. 16 is a schematic structural diagram of a third bamboo board and a third board blank produced by the method;
fig. 17 is an enlarged detail view of the portion C in fig. 16.
In the figure: the bamboo veneer comprises a bamboo chip 1, an inner joint 11, an outer joint 12, a bamboo green surface 13, a bamboo yellow surface 14, a treated bamboo chip I101, a treated bamboo chip II 102, a treated bamboo chip III 103, cold-setting glue polyurethane glue 2, a wood veneer 3, a plate blank I41, a plate blank II 42, a plate blank III 43, a heat-setting glue phenolic resin 5 and a non-woven fabric 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Bamboo board and production method thereof
The method comprises the following steps: preparing materials: processing bamboo chips 1 with proper width and length according to the required size of the bamboo board, as shown in figure 2, removing inner joints 11 and outer joints 12 of the bamboo chips 1 by a mechanical method, as shown in figure 3, processing green surfaces 13 of the bamboo chips 1 by the mechanical method to form a plurality of strip-shaped gluing surfaces with the depth of 0.5mm, the width of 2mm and the interval of 2mm, and processing yellow surfaces 14 without processing, as shown in figure 1, figure 4, figure 7 and figure 8, to form processed first bamboo chips 101; a wood veneer; cold setting glue polyurethane glue 2;
step two: glue spreading/dipping: coating cold-setting glue polyurethane glue 2 and polyurethane glue on two sides of a wood veneer 3;
step three: assembling: sandwiching a layer of wood veneer 3 coated with cold setting glue 2-polyurethane resin between every two processed bamboo chips I101 to form a first plate blank 41, as shown in figure 5;
step four: and (3) pressure gluing: according to the requirement of curing the cold-setting glue polyurethane glue 2, giving a first 41-pressure 0.6MPA to the plate blank and cold-pressing for 24 hours under the condition of normal temperature so as to cure the cold-setting glue polyurethane glue 2.
After the curing in the fourth step is completed, post-processing is performed, that is, burrs and the like are removed from the first blank 41 and the first blank is processed into a suitable size, as shown in fig. 5 and 6.
Example two
Bamboo board and production method thereof
The method comprises the following steps: preparing materials: according to the required bamboo board size, processing bamboo chips 1 with proper width and length, as shown in figure 2, and mechanically removing inner sections 11 and outer sections 12 of the bamboo chips 1, as shown in figure 3; mechanically treating the green surface 13 of the bamboo chip to form a plurality of strip-shaped glued surfaces with the depth of 0.9mm, the width of 3mm and the distance of 4mm, and mechanically treating the yellow surface 14 of the bamboo chip in the same way as the green surface 13 of the bamboo chip to form a second treated bamboo chip 102, as shown in fig. 8, 9 and 10; preparing thermosetting glue phenolic resin 5 and a wood veneer 3,
step two: glue spreading/dipping: coating thermosetting glue phenolic resin 5 on two sides of a wood veneer 3, wherein the glue distribution amount is 200-400 g/square meter of the double surfaces.
Step three: assembling: sandwiching a layer of wood veneer 3 coated with thermosetting glue 5 and phenolic resin between every two processed bamboo chips II 102 to form a second plate blank 42, as shown in figure 11;
step four: and (3) pressure gluing: according to the curing requirement of the thermosetting glue phenolic resin 5, under the normal temperature condition, the pressure of 1.5PMA is applied to the second plate blank 42, and the thickness of the second plate blank 42 is heated and pressurized for 1.2 minutes every 1 mm, so that the thermosetting glue phenolic resin 5 is cured.
After the curing in the fourth step is completed, post-processing is performed, i.e., burrs and the like are removed from the second blank 42, and the second blank is processed to a suitable size, as shown in fig. 11 and 12.
EXAMPLE III
Bamboo board and production method thereof
The method comprises the following steps: preparing materials: processing bamboo chips 1 with proper width and length according to the required bamboo board size, as shown in figure 2, removing inner joints 11 and outer joints 12 of the bamboo chips 1 by a mechanical method, as shown in figure 3, processing green surfaces 13 of the bamboo chips by a mechanical method to form a plurality of strip-shaped gluing surfaces with the depth of 0.9mm, the width of 3mm and the interval of 4mm, processing yellow surfaces 14 of the bamboo chips by a mechanical method to form a plurality of gluing surfaces with the depth of 1.0 mm, the width of 2mm and the interval of 5mm, and forming processed bamboo chips III 103 as shown in figure 13, figure 14 and figure 15; preparing thermosetting glue phenolic resin 5 and non-woven fabric 6;
step two: glue spreading/dipping: and impregnating the non-woven fabric 6 with thermosetting glue phenolic resin 5, wherein the glue amount is 200-600 g/square meter.
Step three: assembling: sandwiching a layer of non-woven fabric 6 impregnated with thermosetting glue phenolic resin 5 between every two processed bamboo chips III 103 to form a plate blank III 43, as shown in FIG. 16;
step four: and (3) pressure gluing: according to the curing requirement of the thermosetting glue phenolic resin 5, under the normal temperature condition, the pressure of 1.5PMA is applied to the three plate blanks 43, and the thickness of each 1 mm of the three plate blanks 43 is heated and pressurized for 1.2 minutes, so that the thermosetting glue phenolic resin 5 is cured.
After the curing in step four is completed, a post-treatment is performed, i.e., the third slab 43 is deburred, etc., and is processed to a suitable size, as shown in fig. 16 and 17.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A bamboo board and a production method thereof are provided, the bamboo board is formed by gluing a plurality of bamboo chips along the thickness direction of the bamboo chips, and the bamboo board is characterized in that inner joints and outer joints of the bamboo chips are removed, green surfaces of the bamboo chips are processed by a mechanical method, linear gluing surfaces are formed on the green surfaces of the bamboo chips, the length direction of the linear gluing surfaces is consistent with the length direction of the bamboo chips, the depth is not more than 2mm, the width is not more than 5mm, the distance is 1-10 mm, the yellow surfaces of the bamboo chips can be processed or not, and the bamboo chips are glued by glue layers.
2. The bamboo board as claimed in claim 1, wherein the glue layer between the bamboo chips is one or more of wood veneer coated or impregnated with glue and fiber material.
3. Bamboo panel and method for its production according to claim 2, characterized in that said glue is a heat-set or cold-set glue.
4. Bamboo panel and method for its production according to claim 1, characterized in that the method for its production comprises the following steps:
the method comprises the following steps: preparing materials: processing bamboo chips with proper width and length according to the required size of the bamboo board, removing inner joints and outer joints of the bamboo chips by a mechanical method, and treating the green surfaces of the bamboo chips by the mechanical method to form strip-shaped gluing surfaces; treating or not treating tabasheer surface;
step two: glue spreading/dipping: preparing one or more of proper glue, wood veneers and fiber materials according to the requirements, and coating or impregnating one or more of the wood veneers and the fiber materials with the glue;
step three: assembling: according to the requirement, at least one glue layer is clamped between every two bamboo chips, and the glue layer can be one or more of a wood veneer coated with or impregnated with glue and a fiber material;
step four: and (3) pressure gluing: according to the curing requirement of the glue, the plate blank is given certain pressure and certain time under the condition of high temperature or normal temperature so as to cure the glue.
5. Bamboo board as claimed in claim 4, and its manufacturing method, wherein after the glue is cured in step four, the board is processed into proper size by removing burrs and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210653890.0A CN114905594A (en) | 2022-06-09 | 2022-06-09 | Bamboo board and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210653890.0A CN114905594A (en) | 2022-06-09 | 2022-06-09 | Bamboo board and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114905594A true CN114905594A (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210653890.0A Pending CN114905594A (en) | 2022-06-09 | 2022-06-09 | Bamboo board and production method thereof |
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|---|---|
| CN (1) | CN114905594A (en) |
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Application publication date: 20220816 |