A bamboo board

Abstract

The present invention relates to the technical field of board processing, and in particular to a bamboo board, comprising a board layer and a flexible decorative surface layer respectively arranged on the upper surface and the lower surface of the upper board layer; a method for making the board layer comprises: selecting bamboo strips of equal thickness; the bamboo strips of equal thickness comprise a hard portion arranged in the middle and two front and rear connecting portions, the hard portion in the middle being processed to form a basic bamboo material whose connecting portions at both ends of the bamboo board are fibers; the length direction of each basic bamboo material is perpendicular to the length direction of the basic bamboo materials at four positions above, below, left and right thereof; the fibers of the connecting portion of the basic bamboo material are interwoven up and down through the hard portion of the basic bamboo material facing upward; the bamboo board is preheated and then extruded to form a curved surface; the present invention realizes that the connection between the fibers of the connecting portion and the other hard portions is not a rigid connection, and the hard portions can form an angle between the hard portions, and the board formed by soaking in a second resin glue is then heated to have plasticity, and combined with the flexible decorative surface layer to meet the requirements of curved surface transformation.

Description

Technical Field

[0001] The invention relates to the technical field of board processing, in particular to a bamboo board. Background Art

[0002] At present, the plywood made from bamboo as raw material in the existing technology generally has an appearance of a flat rectangular shape, and the combined structures include single-layer all-bamboo plywood, multi-layer all-bamboo plywood, bamboo-wood composite board, medium and high-density bamboo fiberboard, bamboo cement composite board, etc. Among them, the structure of multi-layer all-bamboo plywood is generally made by weaving multiple layers of bamboo strips and then stacking and pressing them. Because the bamboo plywood with this shape and structure is simple to manufacture and easy to process, although the processed and formed board is elastic, it is difficult to form a curved surface structure, and is not suitable for processing into scenes with curved shapes such as bamboo partitions and wall decorations, which requires the plasticity of the board. Therefore, a bamboo board that can be easily processed into a curved surface is needed. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a bamboo board which can be conveniently processed into a curved surface.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] A bamboo board, comprising a board layer and flexible decorative surface layers respectively arranged on the upper surface and the lower surface of the upper board layer;

[0006] The method for manufacturing the plate layer comprises:

[0007] S1. Cut large-diameter bamboo into bamboo segments, mill out the outer nodes and then longitudinally split into multiple curved bamboo strips, mill out the inner nodes and steam and soften them, heat and pressurize them, unfold the curved bamboo strips into a flat surface, and process them into bamboo strips of equal thickness without bamboo green or bamboo yellow through double-sided planing, wherein the length of the equal-thick bamboo strips is 3-8 times the width;

[0008] S2, the bamboo strips of equal thickness include a hard portion arranged in the middle and two connecting portions located in the front and rear of the hard portion in the longitudinal direction, and the length and width of the hard portion are equal to the width of the bamboo strips of equal thickness;

[0009] S3, steaming the connecting portion and then crushing and hammering it into filaments, steaming the filaments, degumming them with a biological enzyme after steaming, and cleaning and combing the filaments to obtain the basic bamboo material with the hard portion in the middle as the connecting portion at both ends of the bamboo board as the fiber;

[0010] S4. Arrange the hard portions of the basic bamboo materials in a rectangular array, with the length direction of each basic bamboo material being perpendicular to the length directions of the four basic bamboo materials located above, below, and to the left and right of the basic bamboo materials; interweave fibers of the connecting portions of the basic bamboo materials vertically and horizontally through the hard portions of the upward-facing basic bamboo materials; after the interweaving and interweaving is completed, tighten the fibers and securely adhere them to the other hard portions using a first resin glue; and secure all the basic bamboo materials to each other in the same manner to form a board;

[0011] S5, soaking the plate body in the second resin glue, and then performing compression molding to obtain a plate layer;

[0012] The bamboo board is preheated, extruded to form a curved surface, and then cooled to form.

[0013] Preferably, S3 further includes: after cleaning and combing the filaments, trimming the fibers of the connecting part so that the length of the fibers is 1-3 times the length of the hard part, obtaining a basic bamboo material with the middle hard part being the bamboo board and the connecting parts at both ends being the fibers.

[0014] Preferably, the trimmed excess fibers are incorporated into the second resin glue.

[0015] Preferably, the fibers of the basic bamboo material connecting part are interwoven vertically through the hard part of the basic bamboo material facing upward, further comprising:

[0016] The fibers of one connecting part of the basic bamboo material are divided into two strands, an upper strand and an lower strand, at half the thickness of the hard part. The two strands of fibers are interwoven with each other, with the lower strand of fibers on top and the upper strand of fibers on the bottom. The lower strand of fibers passes through the top surface of the hard part of the basic bamboo material facing upward, and the upper strand of fibers passes through the bottom surface of the hard part of the basic bamboo material facing upward. The two strands of fibers are interwoven with each other again, with the upper strand of fibers on top and the lower strand of fibers on the bottom. The above-mentioned interwoven method is repeated until the fibers can no longer be interwoven.

[0017] Preferably, after the interweaving and shuttling are completed, the fibers are tightened and the fibers are fixedly bonded to the other hard parts using a first resin glue under the irradiation of an ultraviolet lamp;

[0018] The first resin glue is UV resin glue.

[0019] Preferably, when the two fibers interweave and pass through each other, the interweaving positions are coated with the first resin glue.

[0020] Preferably, if the connection portion of the plate base located at the edge of the plate body protrudes from the edge of the plate body, the connection portion is removed.

[0021] Preferably, the second resin glue is applied to the plate base after the connecting portion is removed.

[0022] Preferably, the top surface and the bottom surface of the hard part are roughened.

[0023] Preferably, the second resin glue is insect-proof resin glue.

[0024] The beneficial effects of the present invention are as follows: by dividing the bamboo strips into a hard part and connecting parts at both ends, the hard part can play a supporting role, and the connecting part can connect to other hard parts facing the connecting part, thereby forming a connection relationship. The connecting part and the hard part themselves are integrated, and the structure is more stable and firm. In addition, the length direction of the basic bamboo materials at the four positions above, below, left and right is perpendicular to each other. Such a distribution method can achieve that the hard part of a middle basic bamboo material can be connected by the connecting parts of the two basic bamboo materials on the left and right, and the connecting part itself can connect the hard parts in the front and back directions, thereby forming a fixed connection method. Since the connection between the fibers of the connecting part and the other hard parts is not a rigid connection, the fibers can be stretched and compressed, and the hard parts can form an angle with each other. The board formed by soaking in the second resin glue is plastic after heating. The two resin glues can be softened directly by heating, and combined with the flexible decorative surface layer, it can meet the requirements of curved surface transformation. The length of the bamboo strip is 3-8 times the width, which can ensure that the length of the processed fibers is sufficient and avoid the fibers being too short. The two connections with different resin glues make the connection more firm. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of bamboo strips of equal thickness for a bamboo board according to a specific embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the untrimmed state of the basic bamboo material obtained by step S3 of bamboo strips of equal thickness of a bamboo board according to a specific embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of a bamboo board made of bamboo strips of equal thickness obtained in step S3 of the specific embodiment of the present invention, wherein the basic bamboo material is trimmed so that the length of the fiber is twice the length of the hard part;

[0028] Figure 4 A top view of a bamboo board connected in accordance with a first embodiment of the present invention;

[0029] Figure 5 A side view of a bamboo board connected in accordance with a first embodiment of the present invention (the black, red, and green lines represent the connection points of three different types of base bamboo materials; the line colors are used only for differentiation. The principle of interpenetration of fibers is that, due to the S3 process, most of the bamboo material is removed, leaving only the bamboo fibers. This creates gaps between the bamboo fibers, facilitating the passage of other bamboo fibers).

[0030] Figure 6This is a schematic diagram of a bamboo board made of bamboo strips of equal thickness obtained in step S3 of the second embodiment of the present invention, wherein the basic bamboo material is trimmed so that the length of the fiber is 1 times the length of the hard part;

[0031] Figure 7 A top view of a bamboo board connected in accordance with a second embodiment of the present invention;

[0032] Figure 8 A side view of a bamboo board connected in accordance with a second embodiment of the present invention;

[0033] Explanation of the markings: 1. Bamboo strips of equal thickness; 2. Hard part; 3. Connecting part. DETAILED DESCRIPTION

[0034] To illustrate the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and accompanying drawings.

[0035] Please refer to Figures 1 to 8 , a bamboo board, comprising a board layer and flexible decorative surface layers respectively provided on the upper surface and the lower surface of the upper board layer;

[0036] The method for manufacturing the plate layer comprises:

[0037] S1. Cut large-diameter bamboo into bamboo segments, mill out the outer nodes and then longitudinally split into multiple curved bamboo strips, mill out the inner nodes and steam and soften them, heat and pressurize them, unfold the curved bamboo strips into a flat surface, and process them into bamboo strips of equal thickness without bamboo green or bamboo yellow through double-sided planing, wherein the length of the equal-thick bamboo strips is 3-8 times the width;

[0038] S2, the bamboo strips of equal thickness include a hard portion arranged in the middle and two connecting portions located in the front and rear of the hard portion in the longitudinal direction, and the length and width of the hard portion are equal to the width of the bamboo strips of equal thickness;

[0039] S3, steaming the connecting portion and then crushing and hammering it into filaments, steaming the filaments, degumming them with a biological enzyme after steaming, and cleaning and combing the filaments to obtain the basic bamboo material with the hard portion in the middle as the connecting portion at both ends of the bamboo board as the fiber;

[0040] S4. Arrange the hard portions of the basic bamboo materials in a rectangular array, with the length direction of each basic bamboo material being perpendicular to the length directions of the four basic bamboo materials located above, below, and to the left and right of it; interweave fibers of the connecting portions of the basic bamboo materials vertically and horizontally through the hard portions of the upward-facing basic bamboo materials; after the interweaving and interweaving is completed, tighten the fibers and securely adhere the fibers to the other hard portions using a first resin glue; and secure all the basic bamboo materials to each other in the same manner to form a board;

[0041] S5, soaking the plate body in the second resin glue, and then performing compression molding to obtain a plate layer;

[0042] The bamboo board is preheated, extruded to form a curved surface, and then cooled to form.

[0043] From the above description, it can be seen that by dividing the bamboo strips into a hard part and a connecting part at both ends, the hard part can play a supporting role, and the connecting part can connect to other hard parts facing the connecting part, thereby forming a connection relationship. The connecting part and the hard part themselves are integrated, and the structure is more stable and firm. In addition, the length direction of each basic bamboo material is perpendicular to the length direction of the basic bamboo materials at the four positions above, below, left and right. Such a distribution method can achieve that the hard part of the middle basic bamboo material can be connected by the connecting parts of the two basic bamboo materials on the left and right, and its own connecting part can connect the hard parts in the front and back directions, thereby forming a fixed connection method. Since the connection between the fibers of the connecting part and the other hard parts is not a rigid connection, the fibers can be stretched and compressed, and the hard parts can form an angle between the hard parts. The board formed by soaking in the second resin glue is plastic after heating. The two resin glues can be softened directly by heating, and combined with the flexible decorative surface layer to meet the requirements of curved surface transformation; the length of the bamboo strip is 3-8 times the width, which can make the length of the processed fibers sufficient to avoid the fibers being too short; the two connections with different resin glues make the connection more secure.

[0044] Furthermore, S3 also includes: after cleaning and combing the filaments, trimming the fibers of the connecting part so that the length of the fibers is 1-3 times the length of the hard part, obtaining a basic bamboo material with the middle hard part as the bamboo board and the connecting parts at both ends as fibers.

[0045] From the above description, it can be seen that by trimming the fibers at the connection part, it is possible to avoid inconsistent lengths that make interweaving difficult or excessive lengths that require too many hard parts to pass through, resulting in excessive tension during subsequent curved surface processing.

[0046] Furthermore, the trimmed excess fibers are mixed into the second resin glue.

[0047] From the above description, it can be seen that by incorporating excess fibers into the second resin glue, the dispersed bamboo fibers can serve as secondary reinforcements to achieve irregular multi-directional force transmission, realize fiber recycling, and further improve the mechanical properties of the final formed bamboo board.

[0048] Furthermore, the fibers of the basic bamboo material connection part are interwoven vertically through the hard part of the basic bamboo material facing upward, further comprising:

[0049] The fibers of one connecting part of the basic bamboo material are divided into two strands, an upper strand and an lower strand, at half the thickness of the hard part. The two strands of fibers are interwoven with each other, with the lower strand of fibers on top and the upper strand of fibers on the bottom. The lower strand of fibers passes through the top surface of the hard part of the basic bamboo material facing upward, and the upper strand of fibers passes through the bottom surface of the hard part of the basic bamboo material facing upward. The two strands of fibers are interwoven with each other again, with the upper strand of fibers on top and the lower strand of fibers on the bottom. The above-mentioned interwoven method is repeated until the fibers can no longer be interwoven.

[0050] From the above description, it can be seen that by the first interlacing of the two fibers, a buffer layer is formed between the fibers, which prevents the other hard parts from interacting with their own hard parts and wearing out the fibers when the two fibers are directly opened to cooperate with other hard parts, thereby ensuring that there are enough fibers to connect with each other, thereby ensuring the mechanical properties.

[0051] Furthermore, after the interweaving and shuttling are completed, the fibers are tightened and the fibers are fixedly bonded to the other hard parts using a first resin glue under the irradiation of an ultraviolet lamp;

[0052] The first resin glue is UV resin glue.

[0053] From the above description, it can be seen that the UV resin glue can be quickly cured by the ultraviolet lamp to ensure the stability of the connection and avoid the failure of the connection due to the tension of the fiber itself.

[0054] Furthermore, when the two fibers interweave and pass through each other, the interleaving position is coated with the first resin glue.

[0055] From the above description, it can be seen that by using the first resin glue to coat the staggered positions, since there are more fibers and more gaps at the staggered positions, coating in advance can improve the penetration effect of the first resin and reduce the gaps.

[0056] Furthermore, if the connection portion of the plate base located at the edge of the plate body protrudes from the edge of the plate body, the connection portion is removed.

[0057] As can be seen from the above description, since the fibers of the connecting portion extending outward from the edge do not need to be connected to other hard portions, they can be directly trimmed off.

[0058] Furthermore, the second resin glue is applied to the plate base after the connection portion is removed.

[0059] As can be seen from the above description, by coating the second resin glue on the board base after removing the connecting portion, the insect-proof effect and the sealing effect can be ensured.

[0060] Furthermore, the top surface and the bottom surface of the hard part are roughened.

[0061] It can be seen from the above description that the roughened top and bottom surfaces can increase the friction when mating with fibers.

[0062] Furthermore, the second resin glue is insect-proof resin glue.

[0063] From the above description, it can be seen that by adopting the insect-proof resin glue, an insect-proof effect can be achieved, thereby ensuring the insect-proof effect of the bamboo plywood. Example 1

[0064] A bamboo board, comprising a board layer and flexible decorative surface layers respectively arranged on the upper surface and the lower surface of the upper board layer;

[0065] The method for manufacturing the plate layer comprises:

[0066] S1. Cut large-diameter bamboo into bamboo segments, mill off the outer nodes and then longitudinally split into multiple curved bamboo strips, mill off the inner nodes and steam and soften them, heat and pressurize them, unfold the curved bamboo strips into a flat surface, and process them into bamboo strips of equal thickness without bamboo green or bamboo yellow through double-sided planing, wherein the length of the equal-thick bamboo strips is 8 times the width;

[0067] S2. The bamboo strips of equal thickness include a hard portion arranged in the middle and two connecting portions located in the front and rear of the hard portion in the length direction. The length and width of the hard portion are equal to the width of the bamboo strips of equal thickness; the top and bottom surfaces of the hard portion are roughened.

[0068] S3. The connecting portion is steamed, crushed, and hammered into filaments. The filaments are steamed, degummed using a biological enzyme, and the filaments are cleaned and combed. The fibers of the connecting portion are trimmed so that the length is twice the length of the hard portion, thereby obtaining a basic bamboo material with the hard portion in the middle and the connecting portions at both ends of the bamboo board as fibers. The trimmed excess fibers are incorporated into a second resin glue.

[0069] S4. Arrange the hard portions of the basic bamboo materials in a rectangular array, with the length of each basic bamboo material perpendicular to the lengths of the four basic bamboo materials located above, below, and to the left and right of it. Divide the fibers of one connecting portion of the basic bamboo materials into two upper and lower strands at half the thickness of the hard portion. The two strands of fibers intersect with each other, with the lower strand of fibers on top and the upper strand on the bottom. The lower strand of fibers passes through the top surface of the upward-facing hard portion of the basic bamboo material, and the upper strand of fibers passes through the bottom surface of the upward-facing hard portion of the basic bamboo material. The two strands of fibers then intersect with each other again, with the upper strand of fibers on top and the lower strand on the bottom. Continue this interweaving process until the fibers can no longer interweave. Coat the intersecting locations with a first resin adhesive (UV resin adhesive) as the two strands of fibers intersect. After the interweaving and weaving process is complete, the fibers are tightened and bonded to the other hard components using a first resin glue (UV resin glue) under UV light. All the bamboo base materials are then fixed together in the same manner to form the board. Any connections at the edges of the board that extend beyond the edge are removed. After the removal of these connections, the second resin glue (insect-repellent resin glue) is applied to the board base.

[0070] S5, soaking the board body in a second resin glue (insect-proof resin glue), and then performing compression molding to obtain a board layer;

[0071] The bamboo board is preheated, extruded to form a curved surface, and then cooled to form. Example 2

[0072] A bamboo board, comprising a board layer and flexible decorative surface layers respectively arranged on the upper surface and the lower surface of the upper board layer;

[0073] The method for manufacturing the plate layer comprises:

[0074] S1. Cut large-diameter bamboo into bamboo segments, mill out the outer nodes and then longitudinally split into multiple curved bamboo strips, mill out the inner nodes and steam and soften them, heat and pressurize them, unfold the curved bamboo strips into a flat surface, and process them into bamboo strips of equal thickness without bamboo green or bamboo yellow through double-sided planing, wherein the length of the equal-thick bamboo strips is 3 times the width;

[0075] S2. The bamboo strips of equal thickness include a hard portion arranged in the middle and two connecting portions located in the front and rear of the hard portion in the length direction. The length and width of the hard portion are equal to the width of the bamboo strips of equal thickness.

[0076] S3. The connecting part is steamed and then crushed and hammered into filaments, the filaments are steamed, and after steaming, they are degummed using a biological enzyme. After the filaments are cleaned and combed, the fibers of the connecting part are trimmed so that the length of the fibers is 1 times the length of the hard part, thereby obtaining a basic bamboo material with the hard part in the middle as the bamboo board and the connecting parts at both ends as the fibers.

[0077] S4. Arrange the hard portions of the basic bamboo materials in a rectangular array, with the length of each basic bamboo material perpendicular to the lengths of the four basic bamboo materials located above, below, and to the left and right of it. Divide the fibers of one connecting portion of the basic bamboo materials into two upper and lower strands at half the thickness of the hard portion. The two strands of fibers intersect with each other, with the lower strand of fibers on top and the upper strand on the bottom. The lower strand of fibers passes through the top surface of the upward-facing hard portion of the basic bamboo material, and the upper strand of fibers passes through the bottom surface of the upward-facing hard portion of the basic bamboo material. The two strands of fibers then intersect with each other again, with the upper strand of fibers on top and the lower strand on the bottom. Continue this interweaving process until the fibers can no longer interweave. Coat the intersecting locations with a first resin adhesive (UV resin adhesive) as the two strands of fibers intersect. After the interweaving and weaving process is complete, the fibers are tightened and bonded to the other hard components using a first resin glue (UV resin glue) under UV light. All the bamboo base materials are then fixed together in the same manner to form the board. Any connections at the edges of the board that extend beyond the edge are removed. After the removal of these connections, the second resin glue (insect-repellent resin glue) is applied to the board base.

[0078] S5, soaking the board body in a second resin glue (insect-proof resin glue), and then performing compression molding to obtain a board layer;

[0079] The bamboo board is preheated, extruded to form a curved surface, and then cooled to form.

[0080] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's description and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A bamboo board, characterized in that: It comprises a plate layer and flexible decorative surface layers respectively arranged on the upper surface and the lower surface of the upper plate layer; The method for manufacturing the plate layer comprises: S1. Cut large-diameter bamboo into bamboo segments, mill out the outer nodes and then longitudinally split into multiple curved bamboo strips, mill out the inner nodes and steam and soften them, heat and pressurize them, unfold the curved bamboo strips into a flat surface, and process them into bamboo strips of equal thickness without bamboo green or bamboo yellow through double-sided planing, wherein the length of the equal-thick bamboo strips is 3-8 times the width; S2, the bamboo strips of equal thickness include a hard portion arranged in the middle and two connecting portions located in the front and rear of the hard portion in the longitudinal direction, and the length and width of the hard portion are equal to the width of the bamboo strips of equal thickness; S3, steaming the connecting portion and then crushing and hammering it into filaments, steaming the filaments, degumming them with a biological enzyme after steaming, and cleaning and combing the filaments to obtain the basic bamboo material with the hard portion in the middle as the connecting portion at both ends of the bamboo board as the fiber; S4. Arrange the hard portions of the basic bamboo materials in a rectangular array, with the length direction of each basic bamboo material being perpendicular to the length directions of the four basic bamboo materials located above, below, and to the left and right of the basic bamboo materials; interweave fibers of the connecting portions of the basic bamboo materials vertically and horizontally through the hard portions of the upward-facing basic bamboo materials; after the interweaving and interweaving is completed, tighten the fibers and securely adhere them to the other hard portions using a first resin glue; and secure all the basic bamboo materials to each other in the same manner to form a board; S5, soaking the plate body in the second resin glue, and then performing compression molding to obtain a plate layer; The bamboo board is preheated, extruded to form a curved surface, and then cooled to form.

2. The bamboo board according to claim 1, characterized in that: S3 also includes: after cleaning and combing the filaments, trimming the fibers of the connecting part so that the length of the fibers is 1-3 times the length of the hard part, obtaining a basic bamboo material with the middle hard part as the bamboo board and the connecting parts at both ends as fibers.

3. The bamboo board according to claim 2, characterized in that: The trimmed excess fibers are incorporated into the second resin glue.

4. The bamboo board according to claim 2, characterized in that: The fibers of the basic bamboo material connection part are interwoven up and down through the hard part of the basic bamboo material facing upward, and further include: The fibers of one connecting part of the basic bamboo material are divided into two strands, an upper strand and an lower strand, at half the thickness of the hard part. The two strands of fibers are interwoven with each other, with the lower strand of fibers on top and the upper strand of fibers on the bottom. The lower strand of fibers passes through the top surface of the hard part of the basic bamboo material facing upward, and the upper strand of fibers passes through the bottom surface of the hard part of the basic bamboo material facing upward. The two strands of fibers are interwoven with each other again, with the upper strand of fibers on top and the lower strand of fibers on the bottom. The above-mentioned interwoven method is repeated until the fibers can no longer be interwoven.

5. The bamboo board according to claim 4, characterized in that: After the interweaving and shuttling are completed, the fibers are tightened and fixedly bonded to the other hard parts using a first resin glue under the irradiation of an ultraviolet lamp; The first resin glue is UV resin glue.

6. The bamboo board according to claim 4, characterized in that: When the two strands of fibers interweave and pass through each other, the interweaving positions are coated with the first resin glue.

7. The bamboo board according to claim 1, characterized in that: If the connection portion of the plate base located at the edge of the plate body extends out of the edge of the plate body, the connection portion is removed.

8. The bamboo board according to claim 7, characterized in that: The second resin glue is applied to the base of the plate after the connection portion is removed.

9. The bamboo board according to claim 1, characterized in that: The top surface and the bottom surface of the hard part are roughened.

10. The bamboo board according to claim 1, characterized in that: The second resin glue is an insect-proof resin glue.

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