CN216372601U

CN216372601U - Spliced bamboo board

Info

Publication number: CN216372601U
Application number: CN202122467726.4U
Authority: CN
Inventors: 刘锐楷; 卢建房
Original assignee: Hunan Zhongji New Material Technology Co ltd; Hengyang Zhongji New Material Technology Co ltd
Current assignee: Hunan Zhongji New Material Technology Co ltd; Hengyang Zhongji New Material Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-26
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a spliced bamboo board, wherein a plurality of side-pressing bamboo board unit strips are arranged on the width of the spliced bamboo board, a plurality of side-pressing bamboo board unit strips are arranged in the length direction, the side-pressing bamboo board unit strips on the width are connected in a glue-pressing mode, two ends of each side-pressing bamboo board unit strip are provided with tooth-connecting parts for splicing, the side-pressing bamboo board unit strips in the length direction are connected in a tooth-connecting mode, the side-pressing bamboo board is formed by mutually attaching a plurality of bamboo strips in a wide surface mode, the side-pressing bamboo board unit strips are B3 in width, the thickness of the spliced bamboo board is H4, and H4 is B3. The spliced bamboo board disclosed by the utility model is good in strength and uniform in thickness, is particularly suitable for 53-square container bottom plates or scenes requiring longer length and thicker thickness of the board, realizes the purpose of replacing wood with bamboo, and can better protect the environment.

Description

Spliced bamboo board

Technical Field

The utility model relates to the field of bamboo board manufacturing, in particular to a spliced bamboo board.

Background

The traditional bamboo board is usually made by gluing and pressing bamboo strips, and in order to achieve the purpose of lengthening, the traditional processing technology comprises the steps of milling teeth at the end parts of the bamboo strips, connecting the bamboo strips with each other, gluing, pressing laterally or flatly pressing the bamboo strips into boards. The thickness of the produced panel is limited because the width of the bamboo strip cannot be processed to be very wide due to the characteristics of the moso bamboo, the length of the processed panel is limited due to the conventional side splicing and flat splicing mode, and the conventional production mode has limitation if the panel with the length of tens of meters or more is to be processed. The longest length of the 53-foot container bottom plate needs to be more than 10 meters, the thickness is more than 30 millimeters, the container bottom plate is formed by splicing battens made of hard wood under normal conditions, a large amount of hard wood needs to be consumed, and the environment is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provide the spliced bamboo board which has good strength and uniform thickness, replaces wood with bamboo and can better protect the environment.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a concatenation bamboo board, be equipped with a plurality of side pressure bamboo board unit strips on the width of concatenation bamboo board, be equipped with a plurality of side pressure bamboo board unit strips on the length direction, be connected for gluing between the side pressure bamboo board unit strip on the width, the both ends of side pressure bamboo board unit strip are equipped with the joggle that is used for the concatenation, and the side pressure bamboo board unit strip on the length direction is for the joggle connection, side pressure bamboo board unit strip is formed by the equal width cutting of side pressure bamboo board, side pressure bamboo board is drawn close the veneer by the mode that a plurality of bamboo strips laminated each other with the wide surface and forms, the width of side pressure bamboo board unit strip is B3, the thickness of concatenation bamboo board is H4, H4 ═ B3.

As a further improvement of the above technical solution, the teeth of two adjacent spliced bamboo boards are arranged in a staggered manner.

As a further improvement of the technical scheme, all the tooth parts of the spliced bamboo boards are arranged in a staggered mode.

As a further improvement of the technical scheme, the length, the width and the thickness of the bamboo strips are respectively L1, B1 and H1.

As a further improvement of the above technical solution, the length, width and thickness of the side-pressed bamboo boards are respectively L2, B2 and H2, L2 is L1, and H2 is B1.

As a further improvement of the above technical solution, the length, width and thickness of the side pressed bamboo board unit strips are respectively L3, B3 and H3, L3 is L1, H3 is B1, and H1 < B3 < B2.

As a further improvement of the technical scheme, the length, the width and the thickness of the spliced bamboo board are respectively L4, B4 and H4, L4 is more than L1, and B4 is more than B1. As a further improvement of the technical scheme, the tooth parts of two adjacent splicing unit strips are arranged in a staggered mode.

Compared with the prior art, the utility model has the advantages that:

compared with the mode of producing the bamboo board in the prior art, the spliced bamboo board has the advantages that the side-pressing bamboo board unit strips are used as one unit for milling teeth instead of a single bamboo strip, the workload of milling teeth of the bamboo strips is greatly reduced, meanwhile, the side-pressing bamboo board unit strips are high in rigidity, the side-pressing bamboo board unit strips can be sawn into the corresponding widths according to the thickness requirement of the finished bamboo board, and the board with the required thickness can be spliced.

Drawings

Fig. 1 is a schematic structural view of the spliced bamboo panel of the present invention.

Fig. 2 is a schematic view of the structure of the bamboo strip of the present invention.

FIG. 3 is a schematic structural view of a side-pressed bamboo board in the present invention.

FIG. 4 is a schematic view showing the structure of the side-pressed bamboo board unit strips according to the present invention (a part is a perspective view, and b part is a front view).

FIG. 5 is a schematic view of the toothing structure of the side-pressed bamboo board unit strips in the present invention.

Fig. 6 is a schematic view of the process of transverse splicing and longitudinal toothing of the spliced bamboo boards of the present invention.

The reference numerals in the figures denote:

1. bamboo splints; 2. laterally pressing the bamboo boards; 3. a broad surface; 4. laterally pressing the bamboo board unit strips; 5. a tooth joint; 7. a narrow surface unit; 8. a narrow surface; 9. an end surface.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples of the specification.

As shown in fig. 1 to 5, in the spliced bamboo board of the present embodiment, a plurality of side-pressed bamboo board unit strips 4 are provided on the width of the spliced bamboo board, a plurality of side-pressed bamboo board unit strips 4 are provided on the length direction, the side-pressed bamboo board unit strips 4 on the width are connected by glue pressure, two ends of each side-pressed bamboo board unit strip 4 are provided with teeth 5 for splicing, the side-pressed bamboo board unit strips 4 on the length direction are connected by teeth, the side-pressed bamboo board unit strips 4 are formed by cutting the side-pressed bamboo board 2 in an equal width, the side-pressed bamboo board 2 is formed by gluing the plurality of bamboo strips 1 in a manner that the wide surfaces 3 are mutually attached, the width of each side-pressed bamboo board unit strip 4 is B3, the thickness of the spliced bamboo board is H4, and H4 is B3.

This concatenation bamboo board compares with the mode of production bamboo board among the prior art, mills the tooth with side pressure bamboo board unit strip 4 as a unit, and not single bamboo strip mills the tooth, the work load that the bamboo strip milled the tooth that has significantly reduced, and side pressure bamboo board unit strip 4 rigidity is strong simultaneously, can saw into corresponding width with side pressure bamboo board unit strip according to the thickness requirement of finished product bamboo board moreover and can splice into the panel of requirement thickness. This concatenation bamboo board, intensity is good, and thickness is even, is particularly useful for 53 chi container bottom plates or to the scene that the longer thickness of plate length requirement is thicker, realizes replacing wood with the bamboo, can protect the environment better.

In this embodiment, all the joggled portions 5 of the spliced bamboo boards are not on the same straight line, so that the overall splicing strength is improved. In addition to this embodiment, in other embodiments, two adjacent tooth portions 5 may not be aligned.

In this embodiment, the length, width and thickness of the bamboo strip 1 are L1, B1 and H1, respectively. The length, width and thickness of the side-pressed bamboo board material 2 are respectively L2, B2 and H2, L2 is L1, and H2 is B1. The length, the width and the thickness of the side-pressed bamboo board unit strips 4 are respectively L3, B3 and H3, L3 is L1, H3 is B1, and H1 < B3 < B2. The length, the width and the thickness of the spliced bamboo board are respectively L4, B4 and H4, L4 is more than L1, and B4 is more than B1.

The manufacturing method of the spliced bamboo board comprises the following steps:

s1, bamboo strip manufacturing: manufacturing a certain amount of bamboo strips 1;

s2, gluing the bamboo strips in a lateral pressing mode: the bamboo strips 1 are closed in a manner that the wide surfaces 3 are mutually attached and are subjected to lateral pressure gluing to form a lateral pressure bamboo board 2. Wherein, the wide surface 3 is a glued surface, in the closing process, the wide surface 3 of each bamboo strip 1 is in a standing state by being flatly laid and turned over for 90 degrees, one narrow surface 8 of each bamboo strip 1 is in a flatly laid state, and the lateral pressure is used for clamping the wide surface 3 at the outer side;

s3, cutting with equal width: cutting the side-pressed bamboo board 2 into a plurality of side-pressed bamboo board unit strips 4 with the width of B3, wherein the cutting direction is parallel to the wide surface 3 of the bamboo strip 1;

s4, end milling: milling teeth at two ends of the side-pressed bamboo board unit strips 4 to form tooth connection parts 5 for splicing;

s5, transverse splicing and longitudinal tooth joint: the side-by-side horizontal splicing of the plurality of side-pressed bamboo board unit strips 4 is carried out along the width direction, the front and back longitudinal tooth joint of the plurality of side-pressed bamboo board unit strips 4 is carried out in the length direction, the glue pressing is carried out to form the spliced bamboo board, the thickness of the spliced bamboo board is H4, and B3 is H4. During splicing, the side-pressed bamboo board unit strips 4 are turned by 90 degrees to be tiled, one wide surface 3 of each bamboo strip 1 is in a tiled state, and the bamboo strips 1 in the tiled state are overlapped up and down;

the manufacturing method of the spliced bamboo board comprises the steps of gluing a plurality of bamboo battens 1 to form a side-pressing bamboo board 2, sawing the side-pressing bamboo board 2 into side-pressing bamboo board unit battens 4 with certain width, milling teeth at two ends of each side-pressing bamboo board unit batten 4, finally finger-jointing the side-pressing bamboo board unit battens 4 according to the specified length, and splicing a plurality of side-pressing bamboo board units in the width direction to form the spliced bamboo board with enough length and thickness. Compared with the mode of producing the bamboo board in the prior art, the side-pressing bamboo board unit strips 4 are used as one unit for milling teeth instead of a single bamboo strip, so that the workload of milling the teeth of the bamboo strips is greatly reduced, meanwhile, the side-pressing bamboo board unit strips 4 are high in rigidity, and the side-pressing bamboo board unit strips 4 can be sawn into the corresponding width according to the thickness requirement of the finished bamboo board to be spliced into the board with the required thickness. The spliced bamboo board manufactured by the method has good strength and uniform thickness, is particularly suitable for 53-square container bottom plates or scenes requiring longer length and thicker thickness of the board, realizes the purpose of replacing wood with bamboo, and can better protect the environment.

The method is characterized in that the bamboo strips 1 are glued and laminated in a lateral closing mode, then are cut into lateral pressure bamboo board unit strips 4 in an equal width mode after being glued and pressed into a lateral pressure bamboo board 2, so that the lateral pressure bamboo board unit strips 4 are transversely spliced and longitudinally formed in an overturning mode by 90 degrees, the thicknesses of the spliced bamboo boards are uniform, and if the lateral pressure bamboo board units 4 are directly spliced by a plurality of bamboo strips independently, the widths of the lateral pressure bamboo board units 4 are changed after being glued in a lateral pressure mode, the widths of the lateral pressure bamboo board units 4 are unequal, and the thicknesses of the spliced bamboo boards formed finally are uneven.

In this embodiment, the specific process of step S5 is to apply glue to the side surfaces and the teething portions 5 of the side-pressed bamboo board elements 4 before the transverse splicing and the longitudinal teething, as shown in fig. 6, then perform the side-by-side transverse splicing of the plurality of side-pressed bamboo board elements 4 in the width direction, perform the front-to-back longitudinal teething of the plurality of side-pressed bamboo board elements 4 in the length direction, send the board blank after the splicing (the board blank is an unformed spliced bamboo board having a sufficient width and insufficient length, see the left-hand double-dashed line part of fig. 6) to a high-frequency machine (the left end in fig. 6 is not shown, the arrow in fig. 6 is the board blank conveying direction) after the width reaches the design value and the length reaches a certain value, press the board blank to high-frequency hot-press the board blank in the side direction and right direction, continue the transverse splicing longitudinal teething at the same time as the high-frequency hot-pressing, the rear-section plate blank is connected with the front-section plate blank together, then the front-section plate blank is subjected to high-frequency hot pressing and leaves a hot pressing station of a high-frequency machine, the rear-section plate blank is sent into the hot pressing station to be subjected to high-frequency hot pressing, the required length of the plate blank is spliced by repeating the steps, and the spliced bamboo board is formed.

It should be noted that, in order to ensure that each tooth joint 5 of the finally formed spliced bamboo board is dislocated, when the spliced bamboo boards are horizontally spliced side by side for the first time, the lengths of the lateral pressure bamboo board unit strips 4 are different, so as to make each tooth joint seam of the longitudinal tooth joint dislocated, the specific method is as follows: several different side-pressed bamboo board unit strips 4a are cut in advance (4a is for distinguishing from the side-pressed bamboo board unit strip 4 in the middle part, and is indicated by black and thick lines on the left side in fig. 6) so as to have different lengths, and when the first transverse splicing is carried out, the lengths of the foremost ends are ensured to be basically consistent and different, the lengths of the middle-section side-pressed bamboo board unit strips 4 are also ensured to be in the same, and the tail ends are also the same as the front ends, and the side-pressed bamboo board unit strips 4c (4c is for distinguishing from the side-pressed bamboo board unit strip 4 in the middle part, and is indicated by black and thick lines on the right side in fig. 6) with different lengths are adopted for the joggling, so that the joggling parts are ensured to be staggered for a certain distance, and a lot of bamboo boards are not wasted after the head end trimming (the cutting line is the line L1 in fig. 6) and the tail end trimming (the line is the line L2 in fig. 6).

In this embodiment, after the step S3 and before the step S4, the method further includes the steps of sanding: sanding two narrow surface units 7 of the side-pressed bamboo board unit strips 4, wherein the narrow surface units 7 are the surfaces of the narrow surfaces 8 of the bamboo strips 1, and in the step 5, when the bamboo strips are transversely spliced, the narrow surface units 7 are changed from a flat-laying state to a standing state to be used as gluing surfaces between two adjacent side-pressed bamboo board unit strips 4. The bamboo strip 1 comprises, in addition to two wide surfaces 3 and two narrow surfaces 8, two end surfaces 9, the toothing 5 being on the face of the end surfaces 9.

In this embodiment, it is further preferable that all the teeth portions 5 constituting the spliced bamboo boards are not in a straight line, so as to improve the overall splicing strength. When the lateral pressure bamboo board unit strips 4 are in toothed connection, the end parts of the lateral pressure bamboo board unit strips 4 are tightly pressed in the length direction by a hydraulic device, and the toothed connection positions are tightly connected without gaps.

In this embodiment, the bamboo strip manufacturing in step S1 includes the following steps:

s11, sawing the moso bamboo into a bamboo tube with a certain length;

s12, processing the bamboo tube into bamboo chips;

s13, roughly planing bamboo chips into bamboo strips;

s14, carbonizing the bamboo strips, and drying;

s15, finely planing the bamboo strips.

Wherein, in step S14, the carbonization and the drying are carried out twice, the primary carbonization temperature is 130-135 ℃ for 100 minutes, the primary drying temperature is 70-75 ℃ for 4-5 days, the secondary carbonization temperature is 120-125 ℃ for 80 minutes, and the secondary drying temperature is 65-70 ℃ for 1 day.

In this embodiment, after step S5, the spliced bamboo boards are trimmed and sanded, and the trimming includes cutting the head ends and the tail ends of the spliced bamboo boards.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides a concatenation bamboo panel which characterized in that: be equipped with a plurality of side pressure bamboo board unit strips (4) on the width of concatenation bamboo board, be equipped with a plurality of side pressure bamboo board unit strips (4) on the length direction, be glued and press between the side pressure bamboo board unit strip (4) on the width and connect, the both ends of side pressure bamboo board unit strip (4) are equipped with jogged joint portion (5) that are used for the concatenation, and side pressure bamboo board unit strip (4) on the length direction are connected for the jogged joint, side pressure bamboo board unit strip (4) are formed by side pressure bamboo board (2) according to the equal width cutting, side pressure bamboo board (2) are drawn close the veneer by a plurality of bamboo strips (1) with the mode that wide surface (3) laminated each other and are formed, the width of side pressure bamboo board unit strip (4) is B3, the thickness of concatenation bamboo board is H4, H4 ═ B3.

2. The spliced bamboo panel as claimed in claim 1, wherein: two adjacent tooth-shaped parts (5) of the spliced bamboo board are arranged in a staggered mode.

3. The spliced bamboo panel as claimed in claim 1, wherein: all the tooth parts (5) of the spliced bamboo boards are arranged in a staggered mode.

4. Spliced bamboo panel according to any one of claims 1 to 3, characterized in that: the length, the width and the thickness of the bamboo strip (1) are respectively L1, B1 and H1.

5. The spliced bamboo panel as claimed in claim 4, wherein: the length, the width and the thickness of the side-pressed bamboo board (2) are respectively L2, B2 and H2, L2 is equal to L1, and H2 is equal to B1.

6. The spliced bamboo panel as claimed in claim 5, wherein: the length, the width and the thickness of the side-pressed bamboo board unit strips (4) are respectively L3, B3 and H3, L3 is L1, H3 is B1, and H1 is less than B3 and less than B2.

7. The spliced bamboo panel as claimed in claim 6, wherein: the length, the width and the thickness of the spliced bamboo board are respectively L4, B4 and H4, L4 is more than L1, and B4 is more than B1.