CN219132610U - Bamboo tube assembly plate - Google Patents

Abstract

The utility model discloses a bamboo tube assembly plate, which comprises a plate blank and a single plate, wherein the plate blank is formed by horizontally arranging a plurality of polygonal bamboo tubes which are axially projected to be regular hexagons; the veneer is covered on the peripheral surface of the slab to form a cuboid frame; the bamboo tube assembly plate also comprises a telescopic base, wherein the telescopic base is arranged at the bottom of the bamboo tube assembly plate. The bamboo tube has low density and high self strength, is less susceptible to attack by mould than bamboo chips and bamboo shavings, and can be cut into polygonal bamboo units, so that the unit structure is more stable, the stability of the whole plate or structure is improved, meanwhile, the surface gluing area of the bamboo green is removed, and the bonding performance is greatly improved.

Description

Bamboo tube assembly plate

Technical Field

The utility model relates to the technical field of bamboo processing technology and manufacturing, in particular to a bamboo tube assembly plate.

Background

The bamboo has high strength, good toughness, high hardness, good plasticity and strong carbon fixing capability, and is an excellent raw material for processing and manufacturing structural materials, plates, furniture, and other products; most of the existing bamboo board processing adopts the middle section of bamboo to strip, wire drawing, rolling, crushing, adding a large amount of adhesive for recombination, adopting hot press molding, and cutting for use by cutting edges, which not only damages the original hollow structure of the bamboo, but also does not effectively utilize the space occupied by the hollow of the bamboo by utilizing the longitudinal mechanical property of the bamboo, and meanwhile, the adhesive consumption required for recombination is large, the utilization rate of the bamboo is very low, the yield is generally not more than 50%, and the process is complex; the root of the bamboo pole with more bamboo flesh is abandoned by a bamboo processing factory due to the problems of more bamboo joints, high strength, high hardness and the like, and is crushed or burnt, so that the environment is polluted, and the resource waste is caused.

Chinese patent No. 108068190a discloses a lightweight chipboard with a bamboo tube section and a support plate as a core layer, comprising a first panel and a second panel arranged in parallel, and a side plate arranged between the first panel and the second panel and vertically arranged at the edges of the first panel and the second panel, wherein the side plate and the first panel and the second panel form a closed inner space, and the inner space is provided with a bamboo section vertically connected with the first panel and the second panel; the inside of the plate is supported by the bamboo tubes which are arranged in a single way, but the bamboo tubes are round, most of the bamboo tubes are in point-line contact, a plurality of gaps are reserved, when the plate is stressed, especially when the plate is stressed in a direction other than the vertical direction, the bamboo tubes are easy to move and misplace, the strength of the whole plate is greatly damaged, and even if the plate is reinforced by smearing glue or other reinforcing modes, an unstable structure can not always achieve a good effect, and the additional reinforcing work can bring a plurality of procedures and inconvenience.

Disclosure of Invention

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a bamboo tube assembly plate, which integrates a bamboo tube into a high-strength assembly plate structure with high bending resistance, high compressive strength, good shape and size stability and variable thickness in a larger range by utilizing the characteristics of high longitudinal compressive strength and small dry shrinkage and wet expansion of bamboo materials.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the bamboo tube assembly plate is characterized by comprising a plate blank and a single plate, wherein the plate blank is formed by horizontally arranging a plurality of polygonal bamboo tubes which are axially projected to be regular hexagons; the veneer is covered on the peripheral surface of the slab to form a cuboid frame; the bamboo tube assembly plate also comprises a telescopic base, wherein the telescopic base is arranged at the bottom of the bamboo tube assembly plate.

Compared with the prior art, the utility model has the beneficial effects that: the bamboo tube has low density and high self strength, is less susceptible to attack by mould compared with bamboo chips and bamboo shavings, and cuts the bamboo tube into polygonal bamboo units, especially regular hexagons, so that the unit structure is more stable, the stability of the whole plate or structure is improved, meanwhile, the surface gluing area of the bamboo green is removed, and the bonding performance is greatly improved.

The adhesive is less in dosage, the hot pressing process is simple, the energy consumption is low, the density of the prepared plate is low, the bearing and compression resistance effects are obvious, and the plate can be used in the fields of floors, wall decoration, house roof construction, furniture plates, basic materials for construction, external wall heat-insulating plates and the like; compared with the existing plate, the novel plate has the advantages of saving the plate and glue, along with light weight, firmness and portability.

And can realize the quick leveling of assembly plate when laying subaerial through flexible base.

Furthermore, the axial projection sizes of the polygonal bamboo tubes forming the slab are the same, and the polygonal bamboo tubes with the same size are easier to lay and more neat.

Furthermore, a gap is formed between the plate blank and the single plate at the side face, a filling piece is filled in the gap, and the polygonal bamboo tube is cut to form the filling piece, so that the structural strength is enhanced.

Further, the single board is one of a bamboo oriented strand board, a wood oriented strand board or a solid wood multilayer board.

Further, the telescopic base comprises a screw rod and a gasket, the gasket is connected to the lower end of the screw rod, and the screw rod is in threaded connection with the single plate positioned at the bottom of the slab.

Drawings

FIG. 1 is a schematic diagram of prior art board laying;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a telescopic base according to another aspect of the present utility model;

fig. 4 is a schematic illustration of the mat laying of the present utility model.

In the figure: 1. a slab; 21. a panel; 22. a bottom plate; 23. a side plate; 3. and a telescopic base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a bamboo tube assembly plate, which integrates a bamboo tube into a light high-strength assembly plate structure with high bending resistance, high compressive strength, good shape and size stability and changeable thickness in a larger range by utilizing the characteristics of high longitudinal compressive strength and small dry shrinkage and wet expansion of bamboo materials.

Specifically, referring to fig. 2, the assembly plate includes a plate blank 1 and a single plate, the plate blank 1 is formed by horizontally arranging a certain number of bamboo tubes with the same height, the single plate includes a panel 21, a bottom plate 22 and four side plates 23, which respectively cover the top surface, the bottom surface and the side surfaces of the plate blank 1 in four directions, and the edges of the six single plates are mutually connected to form a cuboid frame, the plate blank 1 is sealed in the cuboid frame, the plate blank 1 forms a high compressive strength for the whole assembly plate, meanwhile, the weight of the module can be reduced by the cavity formed by the bamboo tubes, and in addition, flame retardant, heat preservation, insect killing or sound insulation materials can be filled, thereby improving the multi-performance of the module.

Wherein, the veneer is one of a bamboo oriented strand board, a wood oriented strand board or a solid wood multilayer board, and the thickness of the veneer is more than or equal to 18mm, and is provided with a male port and a female port, so that the veneer is convenient to splice during installation.

In the prior art, referring to fig. 1, the bamboo tube in the slab 1 is a whole-round bamboo tube cut into multiple sections from a whole bamboo, the diameter specification of the bamboo tube is not particularly required, the single plate is installed to form a cuboid frame, then the panel 21 is opened, the bamboo tubes are sequentially placed and filled into the cuboid frame, the bamboo tubes are ensured to be closely abutted and attached to each other, the slab 1 is formed, and then the panel 21 is installed to form the assembly plate; when the filling bamboo tubes are placed, glue can be coated between the bamboo tubes and the single plates so as to increase the structural strength of the whole plate.

Because the bamboo tube is the structure that the cross section is roughly circular, most point line contact is left between the bamboo tube and the bamboo tube in slab 1 among the prior art, leaves a lot of clearances between whole slab 1, even has smeared glue, when panel atress, especially when the direction atress except the vertical direction, takes place to remove dislocation easily between bamboo tube and the bamboo tube, causes very big destruction to the intensity of whole panel.

Therefore, in the improved optimization proposed in this embodiment, referring to fig. 4, the bamboo tubes in the slab 1 are whole-circle bamboo tubes cut into multiple sections from whole bamboo, the bamboo tubes are sorted according to diameters, the diameters of the sorted bamboo tubes are ensured to be relatively average, the sorted bamboo tubes are sliced to be processed into bamboo tubes with regular hexagonal axial projection sections, the section size of each processed bamboo tube is kept consistent, and the sliced bamboo tubes are sequentially placed and filled into a cuboid frame formed by the single plates.

Due to the structural characteristics of regular hexagons, the bamboo tubes can be well in ground surface contact and splicing, a large gap is not left like a round bamboo tube, and the possibility of moving dislocation between the bamboo tubes is avoided; the board formed by the structure has good supporting strength in the vertical direction, in the horizontal direction and the lateral direction, and when the board is bent, the bamboo green on the periphery of the bamboo tube can be effectively removed after the bamboo tube is planed and cut, and the surface smoothness of the bamboo green is higher, so that the friction force between the bamboo tubes in the prior art is smaller, after the bamboo green is removed in the embodiment, the bamboo tubes are contacted through the fiber tissue of the bamboo pulp, the friction force between the bamboo tubes is large, and the stability of the structure is greatly contributed.

For regular hexagon's thick bamboo tube, the thick bamboo tube has not had big space between the thick bamboo tube, but can have the space between thick bamboo tube's 1 and the curb plate 23 of thick bamboo tube constitution, generally there are triangle-shaped space and trapezoidal space two kinds of circumstances, this is the space that can produce after combining according to regular hexagon's arrangement, the space between such 1 and the curb plate 23 also has certain influence to the intensity of panel because there is not support, therefore in this embodiment, according to the shape in space, cut out corresponding part from regular hexagon thick bamboo tube, fill in the space, fully guarantee the structural compactness of slab 1, intensity.

The structure of regular hexagons is preferably adopted, but not quadrangles, pentagons or other shapes are adopted, firstly, the parts, which are needed to be planed and cut on the bamboo tube, of the regular hexagons are fewer, the wall thickness of the bamboo tube can be reserved to a greater extent, the strength is ensured, and the regular hexagons are simpler in arrangement during combination and splicing, and can be spliced into squares more easily.

The embodiment also provides a manufacturing method of the novel light high-strength plate, which comprises the following steps:

(1) Processing of hexagonal bamboo tube

Firstly, taking a bamboo root section or bamboo with the wall thickness of more than or equal to 1.5cm, carrying out systematic scanning and sorting on bamboo sections, wherein the diameter of each bamboo section is not more than 1cm, conveying the bamboo sections with the approximate sizes into special planing equipment, and processing the bamboo sections into regular hexagon bamboo tubes with the height of 2-10cm and the side length of 3-10cm according to the diameters of the bamboo sections, wherein the bamboo sections are bamboo species with the wall thickness of more than or equal to 1.5 cm.

(2) And (3) placing the processed regular hexagonal bamboo tube into a drying device for slow drying for 6-10 hours, wherein the drying temperature is 50-60 ℃, and the water content is controlled below 8-10%.

(3) Pretreating the bamboo tube, namely soaking the processed polygonal bamboo tube in a polyethylene glycol solution with the concentration of 1wt%, wherein the soaking temperature is 40-60 ℃, the soaking time is 30-60 min, and during the soaking period, the solution is in a flowing state by using an air blowing device, and the air blowing flow is set to be 0.5L/min;

(4) Placing the pretreated bamboo tube into a vacuum drying oven, and vacuumizing;

(5) Dipping glue, namely diluting phenolic resin to 25% of solid content, blending mildew inhibitor with diluted phenolic resin, and completely dipping the treated bamboo tube into phenolic resin adhesive for 2-5 min;

(6) Drying, wherein the water content is controlled to be about 8-10% in a drying oven or drying room at 60-63 ℃, and the bamboo tubes are arranged in parallel during drying.

(7) Paving assembly

And splicing the bottom plate 22 and the side plate 23, selecting hexagonal bamboo tubes with the same diameter specification, and arranging the assembly as shown in fig. 4.

(8) The hexagonal bamboo tubes of the same specification are broken, and the gap between the blank and the side plate 23 is filled, as shown in fig. 4, and after filling, the top of the blank 1 is machined and flattened, and the panel 21 is covered.

(9) And (3) pressurizing and shaping, namely placing the assembled plates into a hot press, and respectively pressurizing transversely and longitudinally, wherein the technological parameters are as follows: the pressure is 1MPa, and the temperature is 80-160 ℃.

(10) The bottom plate 22 is perforated and an adjustable telescopic screw base is installed.

The bamboo tube is pretreated by using the low-solubility polyethylene glycol solution, so that the activity of the surface of the bamboo tube is improved, the number of active hydroxyl groups is increased, meanwhile, a small amount of unstable lignin is removed, impurities in a bamboo vascular bundle are dredged, impurities and water vapor in the bamboo cavity are thoroughly dredged by adopting vacuumizing operation, at the moment, the low-solubility low-baume phenolic resin is used for dipping glue, the glue is dipped in the bamboo cavity, holes are filled in the glue, and the strength of the bamboo tube is effectively enhanced like a miniature reinforced concrete structure.

The light high-strength board provided by the utility model is generally used in the fields of floors, wall decorations, building roof construction, furniture boards, building base materials, external wall heat insulation boards and the like, particularly floors, leveling is an indispensable work when the board is used as the floors, particularly floor leveling is generally performed by adopting cement mortar leveling, wooden base leveling, light steel keel leveling and the like, in the leveling methods, the leveling cannot be performed quickly, the height cannot be adjusted, the space is wasted, the operation is complex, the practical application is difficult, and meanwhile, in some occasions with high humidity and high noise requirements, the methods cannot achieve the effects of effective sound insulation, moisture insulation and heat preservation.

Referring to fig. 3, in the plate of the present utility model, therefore, an adjustable telescopic base 3 including a screw and a spacer is further provided at the bottom plate 22, and punching is performed prior to the bottom plate 22, and the vertical projection of the punching position is preferably located in the bamboo flesh of the bamboo tube in the plate blank 1, rather than the central hollow section of the bamboo tube, so that when the screw is introduced into the hole, the screw can be well connected with the bottom plate 22 and the bamboo tube through threads, and the connection strength is ensured; the telescopic base 3 comprises a plurality of gaskets, the gaskets are positioned at the lower ends of the screws, the screws at corresponding positions on the bottom plate 22 are rotated according to the fluctuation of the ground so as to adjust the length of the screws extending out of the bottom plate 22, and the leveling effect of the plate on the ground is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1. The bamboo tube assembly plate is characterized by comprising a plate blank and a single plate, wherein the plate blank is formed by horizontally arranging a plurality of polygonal bamboo tubes which are axially projected to be regular hexagons; the veneer is covered on the peripheral surface of the slab to form a cuboid frame; the bamboo tube assembly plate also comprises a telescopic base, wherein the telescopic base is arranged at the bottom of the bamboo tube assembly plate.

2. The bamboo tube assembly panel of claim 1, wherein the axial projection dimensions of the polygonal bamboo tubes comprising the blank are the same.

3. A bamboo tube assembly panel as claimed in claim 1 or 2, wherein a gap is provided between the blank and the single plate on the side surface, a filling member is filled in the gap, and the polygonal bamboo tube is cut to form the filling member.

4. The bamboo tube assembly panel of claim 1, wherein the veneer is one of a bamboo oriented strand board, a wood oriented strand board, or a solid wood multi-layer board.

5. The bamboo tube assembly panel of claim 1, wherein the telescoping base comprises a screw and a spacer, the spacer being attached to a lower end of the screw, the screw being threadably coupled to the single plate at the bottom of the blank.

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