CN220262240U

CN220262240U - Composite board structure

Info

Publication number: CN220262240U
Application number: CN202322029335.3U
Authority: CN
Inventors: 胡云娟; 傅云祥; 李建青
Original assignee: Hangzhou Yewlong Industry Co ltd
Current assignee: Hangzhou Yewlong Industry Co ltd
Priority date: 2023-07-29
Filing date: 2023-07-29
Publication date: 2023-12-29
Anticipated expiration: 2033-07-29

Abstract

The utility model relates to the field of plates, in particular to a composite plate structure, which sequentially comprises a surface plate, a middle plate and a bottom plate from top to bottom, wherein the lower surface of the surface plate and the upper surface of the middle plate are provided with first wire grooves, and the inner walls of the first wire grooves of the surface plate and the middle plate can be mutually abutted to be complementarily matched; the lower surface of the middle layer plate and the upper surface of the bottom layer plate are respectively provided with a second wire groove, and the inner walls of the second wire grooves of the middle layer plate and the bottom layer plate can be mutually abutted to be complementarily matched; the first wire groove and the second wire groove are internally coated with adhesive so as to realize multi-layer lamination. The application has the effect of improving the bonding strength of each layer in the bamboo-wood composite board.

Description

Composite board structure

Technical Field

The application relates to the field of plates, in particular to a composite plate structure.

Background

The composite board is a board type formed by combining two or more materials, such as a metal composite board, a bamboo-wood composite board and the like. Along with the continuous breakthrough of research and development of modified adhesives such as unsaturated polyester resin, two raw materials of bamboo and wood are glued through the adhesives, and the bamboo-wood composite plywood is formed through a series of processing. The composite plywood has the characteristics of good elasticity, high strength, high hardness, good plasticity of wood, low density, easiness in processing and the like.

The utility model discloses a bamboo-wood composite plywood, which comprises a surface layer, a middle layer and a bottom layer from top to bottom, wherein the middle layer is formed by sequentially and alternately arranging a chairman formed by criss-cross changing bamboo strips and a wood veneer, the surface layer and the bottom layer are formed by connecting bamboo filaments and ropes formed by processing the bamboo strips, and the layers are formed by glue applying and pressing.

But adopt the thin bamboo strips used as the intermediate level in prior art, the structure of arranging in intermediate level is multilayer interweaving formula and arranges, and even interweaving arrangement can make the tensile force of all directions improve, but the surface of thin bamboo strips is uneven, and with the veneer surface of thin bamboo strips mutual veneer level, not only the veneer area is little when two are glued each other, but also the veneer department also produces the clearance easily, glues even effect relatively poor, and then influences the veneer intensity.

Disclosure of Invention

In order to improve the adhesive strength of each layer in the bamboo-wood composite board, the application provides a composite board structure.

The application provides a composite board structure adopts following technical scheme:

the composite board structure comprises a surface board, a middle board and a bottom board from top to bottom, wherein the lower surface of the surface board and the upper surface of the middle board are respectively provided with a first wire slot, and the inner walls of the first wire slots of the surface board and the middle board can be mutually abutted to be complementarily matched; the lower surface of the middle layer plate and the upper surface of the bottom layer plate are respectively provided with a second wire groove, and the inner walls of the second wire grooves of the middle layer plate and the bottom layer plate can be mutually abutted to be complementarily matched; the inner walls of the first wire groove and the second wire groove are coated with adhesives to realize multi-layer lamination.

Through adopting above-mentioned technical scheme, the seting up of first wire casing can increase the gluing area between surface plate and the intermediate lamella, and the seting up of second wire casing can increase the gluing area of intermediate lamella and bottom plate, also can make gluing bonding face laminating ground inseparabler simultaneously to be favorable to promoting the holistic gluing strength of composite board.

Optionally, the extending direction of the first wire groove is not parallel to the extending direction of the second wire groove.

By adopting the technical scheme, after the inner walls of the first wire grooves of the surface plate and the middle plate are mutually abutted and adhered, when the surface plate and the middle plate are subjected to external force in any direction except the extending direction of the first wire grooves, the inner walls of the first wire grooves can exert opposite-direction resistance on the surface plate and the middle plate; similarly, the second wire chase is capable of exerting resistance to the middle and bottom plates in any direction other than the direction in which the first wire chase extends; and because the extending directions of the first wire slot and the second wire slot are not parallel to each other, the whole resistance of the composite board to external force in any direction on the same plane is improved, the probability of displacement of each laminate is reduced, and the strength of the composite board is improved.

Optionally, the bottom plate upper surface evenly distributed and fixed a plurality of strengthening ribs that are provided with, a plurality of slots have all been seted up to intermediate lamella and surface plate lower surface, the slot that the strengthening rib can insert intermediate lamella and surface plate simultaneously.

Through adopting above-mentioned technical scheme, the strengthening rib can provide the guide effect when middle plywood and top layer board are pressed on the one hand, and on the other hand strengthening rib also can provide external force, reduces the probability that top layer board and middle plywood take place the displacement, is favorable to promoting composite board's intensity.

Optionally, the intermediate layer board is provided with long banding on its width direction's both ends face, long banding can be fixed mutually with surface plate, intermediate layer board and bottom plate terminal surface simultaneously.

Through adopting above-mentioned technical scheme, long banding can be simultaneously with surface plate, intermediate lamella and bottom plate fixed connection to can strengthen the holistic joint strength of composite board, on the other hand also can shelter from composite board's terminal surface, promote aesthetic property.

Optionally, the intermediate layer board is provided with wide banding on its length direction's both ends face, wide banding can be fixed with surface plate, intermediate layer board and bottom plate terminal surface simultaneously.

Through adopting above-mentioned technical scheme, wide banding can be simultaneously with surface plate, intermediate lamella and bottom plate fixed connection to can strengthen the holistic joint strength of composite board, on the other hand also can shelter from composite board's terminal surface, promote aesthetic property.

Optionally, the two end surfaces of the surface plate along the width direction are provided with first clamping grooves; the two end surfaces of the middle layer plate along the width direction are provided with second clamping grooves; third clamping grooves are formed in two end faces of the bottom plate along the width direction of the bottom plate; the first clamping groove, the second clamping groove and the third clamping groove are mutually communicated and form a long tenon groove together, a long tenon block is fixed on the inner wall of the long sealing edge, and the long tenon block can be inserted into and fixed in the long tenon groove.

Through adopting above-mentioned technical scheme, long tenon piece and long tongue-and-groove joint can lock to two of them tip of surface plate, intermediate lamella and bottom plate, reduce the probability that surface plate, intermediate lamella and bottom plate take place the displacement, also can promote the joint strength of long banding and three-layer panel to promote the holistic joint strength of composite board.

Optionally, the two end surfaces of the surface plate along the length direction of the surface plate are both fixed with first clamping blocks, the two end surfaces of the middle plate along the length direction of the middle plate are both fixed with second clamping blocks, and the two end surfaces of the bottom plate along the length direction of the bottom plate are both fixed with third clamping blocks; the first clamping block, the second clamping block and the third clamping block form a wide tenon block together, the inner wall of the wide edge sealing is uniformly provided with a wide tenon groove, and the wide tenon block can be inserted into and fixed in the wide tenon groove.

By adopting the technical scheme, the wide tenon blocks and the wide tenon grooves can be inserted to lock the other two ends of the surface plate, the middle plate and the bottom plate, so that the probability of displacement of the surface plate, the middle plate and the bottom plate is reduced, and the connection strength of the wide edge sealing and the three-layer plate can be improved; meanwhile, the long sealing edge and the wide sealing edge can be mutually complemented in the locking direction in a plug-in mode through the tenon blocks, so that the displacement of the composite board in any direction is reduced, and the integral connection strength of the composite board is improved.

Optionally, the extending direction of the long tenon block is parallel to the plane of the surface plate; the extending direction of the wide tenon block is perpendicular to the plane of the surface plate; and the end of the long sealing edge can be abutted against the inner wall of the wide sealing edge.

By adopting the technical scheme, the plugging of the long sealing edge and the plugging of the wide sealing edge are not interfered with each other, and the end part of the long sealing edge is abutted against the inner wall of the wide sealing edge after the long sealing edge is installed, so that the displacement of the long sealing edge can be reduced on one hand, and the composite board is regular square in appearance on the other hand, and is more attractive.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adhesive area between the surface plate and the middle plate is increased, and the adhesive area between the middle plate and the bottom plate is also increased, so that the overall adhesive strength of the composite plate is improved;

2. the resistance of the composite board to external force is improved, the probability of displacement of each laminate board is reduced, and the strength of the composite board is improved.

Drawings

Fig. 1 is a perspective view of an embodiment of the present application.

Fig. 2 is a schematic structural view of an embodiment of the present application.

Fig. 3 is an exploded view of an internal layer structure of an embodiment of the present application.

Reference numerals illustrate: 1. a surface plate; 2. an intermediate laminate; 3. a bottom plate; 4. long edge sealing; 5. wide edge sealing; 6. a long tongue-and-groove; 6a, a first clamping groove; 6b, a second clamping groove; 6c, a third clamping groove; 7. a long tenon block; 8. a wide tenon block; 8a, a first clamping block; 8b, a second clamping block; 8c, a third clamping block; 9. a wide tongue-and-groove; 10. a first wire chase; 11. a second wire slot; 12. reinforcing ribs; 13. a slot.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses composite board structure, refer to fig. 1 and 2, from last to including the top-down surface layer board 1 that is parallel to each other in proper order, intermediate lamella 2 and bottom plate 3, wherein surface layer board 1 and bottom plate 3 all set up to the one deck, and intermediate lamella 2 can set up to a plurality of layers, and intermediate lamella 2 sets up to the one deck in this embodiment to bond through the gluing agent between every adjacent two-layer, the unsaturated polyester resin can be adopted to the gluing agent. The middle layer board 2 is made of bamboo, and the single flattened bamboo boards are spliced in sequence to form the bamboo panel. The top sheet 1 and the bottom sheet 3 are made of wood and are made of wood panels.

Referring to fig. 1 and 2, for convenience of explanation of the structural composition, the top sheet 1, the middle sheet 2 and the bottom sheet 3 are each provided in a rectangular shape. The two end surfaces of the middle layer plate 2 in the width direction are fixedly connected with long sealing edges 4 through adhesives, and the long sealing edges 4 can be simultaneously bonded with the end surfaces of the surface layer plate 1, the middle layer plate 2 and the bottom layer plate 3. The two end surfaces of the middle layer plate 2 in the length direction are fixedly connected with wide sealing edges 5 through adhesives, and the wide sealing edges 5 can be simultaneously bonded with the end surfaces of the surface layer plate 1, the middle layer plate 2 and the bottom layer plate 3.

Referring to fig. 2 and 3, the surface plate 1 has first grooves 6a on both end surfaces in the width direction thereof, the intermediate plate 2 has second grooves 6b on both end surfaces in the width direction thereof, and the bottom plate 3 has third grooves 6c on both end surfaces in the width direction thereof. The extending directions of the first clamping groove 6a, the second clamping groove 6b and the third clamping groove 6c are parallel to the width direction of the surface plate 1, and the first clamping groove 6a, the second clamping groove 6b and the third clamping groove 6c are mutually communicated and jointly form a long mortice groove 6. The long edge sealing 4 is fixedly arranged on the inner wall facing the surface plate 1, and the extending direction of the long tenon 7 is parallel to the length direction of the long tenon 7 and the plane of the surface plate 1. After the adhesive is coated on the inner wall of the long tenon groove 6, the long tenon block 7 can be inserted into the long tenon groove 6 along the width direction of the surface plate 1 for adhesion and fixation.

Referring to fig. 2 and 3, the surface plate 1 is fixedly provided with a plurality of first clamping blocks 8a on both end surfaces in the length direction thereof, and the plurality of first clamping blocks 8a are uniformly distributed along the width direction of the surface plate 1. The middle layer plate 2 is fixedly provided with a plurality of second clamping blocks 8b on two end faces in the length direction, and the second clamping blocks 8b are uniformly distributed along the width direction of the middle layer plate 2. The bottom plate 3 is fixedly provided with a plurality of third clamping blocks 8c on two end faces in the length direction, and the third clamping blocks 8c are uniformly distributed along the width direction of the bottom plate 3. The first clamping blocks 8a, the second clamping blocks 8b and the third clamping blocks 8c are in one-to-one correspondence, and one first clamping block 8a, one second clamping block 8b and one third clamping block 8c can jointly form one wide tenon block 8, and the length direction of the wide tenon block 8 is perpendicular to the plane where the surface plate 1 is located. The inner wall of the wide sealing edge 5 facing the surface plate 1 is provided with a plurality of wide mortises 9 in a penetrating way, the wide mortises 9 are in one-to-one correspondence with the wide mortises 8, and the extending direction of the wide mortises 9 is parallel to the length direction of the wide mortises 8. After the adhesive is coated on the inner wall of the wide tenon groove 9, the wide tenon 8 can be inserted into the wide tenon groove 9 along the length direction of the wide tenon 8 so as to be fixedly bonded, and the end part of the long edge seal 4 can be abutted against the inner wall of the wide edge seal 5.

Referring to fig. 2 and 3, the lower surface of the surface plate 1 and the upper surface of the middle plate 2 are provided with a plurality of first wire grooves 10 parallel to each other, and the extending direction of each first wire groove 10 is parallel to the width direction of the surface plate 1, and the inner walls of the first wire grooves 10 of the surface plate 1 and the middle plate 2 can be abutted against each other to be complementary. After the adhesive is coated on the inner wall of the first line groove 10, the surface plate 1 and the middle plate 2 are spliced and glued.

Referring to fig. 2 and 3, a plurality of second wire grooves 11 parallel to each other are formed in the lower surface of the middle layer plate 2 and the upper surface of the bottom layer plate 3, and the extending direction of each second wire groove 11 is not parallel to the extending direction of the first wire groove 10, in this embodiment of the application, the extending direction of the second wire groove 11 is parallel to the length direction of the surface layer plate 1, and the inner walls of the second wire grooves 11 of the middle layer plate 2 and the bottom layer plate 3 can be mutually abutted to complement each other. After the adhesive is coated on the inner wall of the second wire slot 11, the middle layer plate 2 and the bottom layer plate 3 are spliced and glued.

Referring to fig. 3, the upper surface of the bottom plate 3 is further uniformly distributed and fixedly provided with a plurality of reinforcing ribs 12, the lower surfaces of the middle plate 2 and the surface plate 1 are provided with a plurality of slots 13, the slots 13 are in one-to-one correspondence with the reinforcing ribs 12, and the slots 13 on the middle plate 2 are arranged in a penetrating manner. The reinforcing bars 12 can be inserted into the slots 13 of both the intermediate layer board 2 and the skin board 1 for positioning.

The implementation principle of the composite board structure in the embodiment of the application is as follows: when the composite boards are spliced, firstly, an adhesive is coated on the inner wall of a first wire slot 10, and an intermediate layer board 2 is pressed on a bottom layer board 3, so that a reinforcing rib 12 can pass through a slot 13 of the intermediate layer board 2, and meanwhile, the bottom layer board 3 and the inner wall of a second wire slot 11 of the intermediate layer board 2 are mutually abutted; then, coating an adhesive on the inner wall of the second wire slot 11, and pressing the surface plate 1 on the middle plate 2, so that the reinforcing ribs 12 penetrate into the slots 13 of the surface plate 1, and simultaneously, the middle plate 2 and the inner wall of the first wire slot 10 of the surface plate 1 are mutually abutted; then coating an adhesive on the inner wall of the long mortises 6, and inserting the long mortises 7 of the long sealed edges 4 into the long mortises 6 along the length direction of the surface plate 1; and finally, coating an adhesive on the inner wall of the wide tenon groove 9, and sleeving the wide tenon groove 9 of the wide edge seal 5 into the wide tenon block 8 along the extending direction of the wide tenon block 8 so as to glue the wide tenon groove 8 into the bamboo-wood composite board.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a composite board structure, includes top sheet (1), intermediate lamella (2) and bottom plate (3) from top to bottom in proper order, its characterized in that: the surface plate (1) and the middle plate (2) are provided with first wire grooves (10) on the lower surface and the upper surface, and the inner walls of the first wire grooves (10) of the surface plate (1) and the middle plate (2) can be mutually abutted to be complementarily matched; the lower surface of the middle layer plate (2) and the upper surface of the bottom layer plate (3) are respectively provided with a second wire groove (11), and the inner walls of the second wire grooves (11) of the middle layer plate (2) and the bottom layer plate (3) can be mutually abutted to be complementarily matched; the inner walls of the first wire groove (10) and the second wire groove (11) are coated with adhesives so as to realize multi-layer lamination.

2. A composite board structure according to claim 1, wherein: the extending direction of the first wire groove (10) is not parallel to the extending direction of the second wire groove (11).

3. A composite board structure according to claim 2, wherein: the bottom plate (3) upper surface evenly distributed and fixedly provided with a plurality of strengthening ribs (12), a plurality of slots (13) have all been seted up to intermediate floor (2) and surface plate (1) lower surface, slot (13) of intermediate floor (2) and surface plate (1) can be inserted simultaneously to strengthening rib (12).

4. A composite board structure according to claim 2, wherein: the middle layer plate (2) is provided with long sealing edges (4) on two end faces in the width direction, and the long sealing edges (4) can be simultaneously fixed with the end faces of the surface layer plate (1), the middle layer plate (2) and the bottom layer plate (3).

5. A composite board structure as set forth in claim 4, wherein: the middle layer plate (2) is provided with wide sealing edges (5) on two end faces in the length direction, and the wide sealing edges (5) can be simultaneously fixed with the end faces of the surface layer plate (1), the middle layer plate (2) and the bottom layer plate (3).

6. A composite board structure according to claim 5, wherein: the two end faces of the surface plate (1) along the width direction are provided with first clamping grooves (6 a); the two end faces of the middle layer plate (2) along the width direction are provided with second clamping grooves (6 b); the two end faces of the bottom plate (3) along the width direction are provided with third clamping grooves (6 c); the first clamping groove (6 a), the second clamping groove (6 b) and the third clamping groove (6 c) are mutually communicated and form a long tenon groove (6) together, a long tenon block (7) is fixed on the inner wall of the long sealing edge (4), and the long tenon block (7) can be inserted into and fixed in the long tenon groove (6).

7. A composite board structure according to claim 6, wherein: the surface plate (1) is fixed with first clamping blocks (8 a) along two end surfaces of the surface plate in the length direction, the middle plate (2) is fixed with second clamping blocks (8 b) along two end surfaces of the surface plate in the length direction, and the bottom plate (3) is fixed with third clamping blocks (8 c) along two end surfaces of the bottom plate in the length direction; the first clamping block (8 a), the second clamping block (8 b) and the third clamping block (8 c) form a wide tenon block (8) together, wide tenon grooves (9) are uniformly formed in the inner wall of the wide edge sealing (5), and the wide tenon block (8) can be inserted into and fixed in the wide tenon grooves (9).

8. A composite board structure according to claim 7, wherein: the extending direction of the long tenon block (7) is parallel to the plane of the surface plate; the extending direction of the wide tenon block (8) is perpendicular to the plane of the surface plate (1); and the end part of the long sealing edge (4) can be abutted against the inner wall of the wide sealing edge (5).