Solid wood composite board
Through the interlaced solid wood composite board structure, the lateral strength characteristics of eucalyptus or fir are used to splice small-sized strips, which solves the problem of easy breakage and deformation of solid wood composite boards, and realizes the production of high-strength, low-cost and environmentally friendly solid wood composite boards.
Patent Information
- Application Number
- CN202422323435.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-24
AI Technical Summary
Existing solid wood composite panels have high costs, serious resource waste and are prone to fracture and deformation, making it difficult to improve economic benefits and environmental protection.
Using the first veneer layer, spliced board layer and second veneer layer structure arranged in staggered arrangement, the high lateral bending strength characteristics of eucalyptus or fir, multiple small-sized strips are spliced through plugging and bonding to form solid wood composite boards, enhancing the overall strength and reducing the amount of glue usage.
It improves the strength and service life of solid wood composite panels, reduces production costs, improves wood utilization and economic benefits, and reduces the amount of glue used, achieving environmental protection effects.
Smart Images
Figure CN223147924U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wood-based panels, in particular to a solid wood composite board. Background Art
[0002] Solid wood boards are firm, durable and have natural textures, making them the top choice in decoration. Most log solid wood boards are costly. Among various solid woods, eucalyptus or fir belongs to fast-growing wood, with a relatively fast growth rate, so the price is relatively cheap, and currently it belongs to medium and low-grade wood. At present, eucalyptus or fir is mainly applicable to the production of cabinets and furniture as well as decorative surfaces. However, eucalyptus or fir has a relatively soft texture, low strength, is prone to breakage and deformation, and has a short service life.
[0003] The price of solid wood composite boards is relatively low, and they are widely used in fields such as interior decoration and furniture making. Solid wood composite boards are generally composed of multiple layers of solid wood boards. Existing solid wood composite boards are generally composed of multiple layers of solid wood veneers. The size of each solid wood veneer is relatively large. For example, the length of the solid wood veneer is 2440 mm and the width is 1220 mm, requiring large-sized logs for processing, resulting in high costs, and it is relatively difficult to make full use of the log materials, causing waste of resources, being unfavorable to environmental protection, and further increasing costs, with low economic benefits. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a solid wood composite board to solve the problems existing in the prior art, with high strength, capable of extending the service life, being beneficial to reducing costs, improving economic benefits, and being energy-saving and environment-friendly.
[0005] To achieve the above purpose, the utility model provides the following scheme:
[0006] The utility model provides a solid wood composite board, including a first veneer layer, a splicing board layer and a second veneer layer which are fixedly connected in sequence. The wood fibers of the first veneer layer and the splicing board layer are arranged in a staggered manner, the wood fibers of the second veneer layer and the splicing board layer are arranged in a staggered manner, and the splicing board layer includes a plurality of strip-shaped boards spliced in sequence.
[0007] Preferably, at least one first convex block and at least one first groove are respectively arranged on two long side edges of each strip-shaped board, and the first convex block of each strip-shaped board is inserted into the first groove of the adjacent strip-shaped board.
[0008] Preferably, each strip-shaped board includes a plurality of wooden strips connected in sequence. At least one second convex block and at least one second groove are respectively arranged at the first end and the second end of each wooden strip, and the second convex block of each wooden strip can be inserted into the second groove of the adjacent wooden strip.
[0009] Preferably, a plurality of the second protrusions and a plurality of the third grooves are provided at the first end of each of the wooden strips, a plurality of the second grooves and a plurality of the third protrusions are provided at the second end of each of the wooden strips, all the second protrusions and all the third grooves at the first end of each of the wooden strips are alternately arranged to form a first serrated joint, all the second grooves and all the third protrusions at the second end of each of the wooden strips are alternately arranged to form a second serrated joint, and the first serrated joint of each of the wooden strips is finger-jointed with the second serrated joint of the adjacent wooden strip.
[0010] Preferably, each of the first serrated joints and each of the second serrated joints has an adhesive surface, the adhesive surfaces of each of the first serrated joints and each of the second serrated joints are both located at the middle section along the width direction of the wooden strip, and the adhesive surface of each of the first serrated joints is adhered to the adhesive surface of the corresponding second serrated joint.
[0011] Preferably, there is one first protrusion and one first groove.
[0012] Preferably, both the first veneer layer and the second veneer layer are cross-grain boards.
[0013] Preferably, the spliced board layer is a longitudinal-grain board.
[0014] Preferably, the first veneer layer is adhered to the spliced board layer, and the second veneer layer is adhered to the spliced board layer.
[0015] Preferably, the materials of the first veneer layer, the spliced board layer and the second veneer layer are all eucalyptus or Chinese fir.
[0016] The utility model has achieved the following technical effects compared with the prior art:
[0017] The utility model provides a solid wood composite board, which comprises a first veneer layer, a splicing board layer and a second veneer layer that are fixedly connected in sequence. The wood fibers of the first veneer layer and the splicing board layer are arranged in a staggered manner, and the wood fibers of the second veneer layer and the splicing board layer are arranged in a staggered manner. The splicing board layer comprises a plurality of strip-shaped boards spliced in sequence. Logs such as eucalyptus or fir have relatively high bending and compressive strength in the transverse direction (perpendicular to the direction of wood fibers) and relatively poor bending and compressive strength in the vertical direction (along the direction of wood fibers). In the utility model, the directions of the wood fibers of the first veneer layer and the splicing board layer are different and are arranged in a staggered manner, which can improve the strength of the solid wood composite board. For example, compared with a log of the same thickness as the solid wood composite board in the utility model, it has higher strength and can extend the service life. The splicing board layer is formed by splicing a plurality of strip-shaped boards with relatively small sizes, which can be processed with logs of relatively small sizes, improve the utilization rate of wood raw materials, is beneficial to reducing costs, improving economic benefits, and saving energy and protecting the environment. At the same time, both sides of the splicing board layer are veneer layers, which can support both sides of the splicing board layer and further ensure the overall strength of the solid wood composite board. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0019] Figure 1 is the front view of the solid wood composite board provided by the present utility model;
[0020] Figure 2 is Figure 1 the left view of;
[0021] Figure 3 is Figure 1 the top view of;
[0022] Figure 4 is the front view of the splicing board layer provided by the present utility model;
[0023] Figure 5 is Figure 4 the left view of;
[0024] Figure 6 is Figure 4 the top view of;
[0025] Figure 7 is the front view of the wooden strip provided by the present utility model;
[0026] Figure 8 is Figure 7 the left view of;
[0027] Figure 9 is the top view of Figure 7 ;
[0028] Figure 10 is the schematic diagram of the splicing of the wooden strips provided by the present utility model in the length direction;
[0029] In the figure: 100, solid wood composite board; 1, the first veneer layer; 2, the splicing board layer; 201, strip board; 202, wooden strip; 203, the first convex block; 204, the first groove; 205, the second convex block; 206, the second groove; 207, the third groove; 208, the third protrusion; 3, the second veneer layer; 4, the bonding surface. Specific embodiments
[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0031] The purpose of the present utility model is to provide a solid wood composite board to solve the problems existing in the prior art, with high strength, capable of extending the service life, being beneficial to reducing costs, improving economic benefits, and being energy-saving and environmentally friendly.
[0032] In order to make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0033] Such as Figure 1-10As shown in the figure, the utility model provides a solid wood composite board 100, which includes a first veneer layer 1, a splicing board layer 2 and a second veneer layer 3 that are fixedly connected in sequence. The wood fibers of the first veneer layer 1 and the splicing board layer 2 are arranged in a staggered manner, and the wood fibers of the second veneer layer 3 and the splicing board layer 2 are arranged in a staggered manner. The splicing board layer 2 includes a plurality of strip-shaped boards 201 that are spliced in sequence. Logs such as eucalyptus or fir have relatively high transverse (perpendicular to the wood fiber direction) bending and compressive strengths, and relatively poor vertical (along the wood fiber direction) bending and compressive strengths. In the utility model, the wood fiber directions of the first veneer layer 1 and the splicing board layer 2 are different and are arranged in a staggered manner, which can improve the strength of the solid wood composite board 100. For example, compared with a log of the same thickness as the solid wood composite board 100 in the utility model, it has a higher strength, can extend the service life, and solves the problems that solid wood eucalyptus or fir is easy to break and deform. The splicing board layer 2 is formed by splicing a plurality of strip-shaped boards 201 with relatively small sizes, which can use logs with relatively small sizes for processing, improve the utilization rate of wood raw materials, is beneficial to reducing costs, improving economic benefits, and saving energy and protecting the environment. At the same time, the upper and lower sides of the splicing board layer 2 are veneer layers, which can support both sides of the splicing board layer 2 and ensure the overall strength of the solid wood composite board 100.
[0034] In this embodiment, at least one first convex block 203 and at least one first groove 204 are respectively arranged on two long side edges of each strip-shaped board 201. The first convex block 203 of each strip-shaped board 201 is inserted into the first groove 204 of the adjacent strip-shaped board 201, and a plurality of strip-shaped boards 201 are inserted in sequence. The strip-shaped boards 201 are spliced in the width direction of the splicing board layer 2 by means of insertion. There is no need to use glue between adjacent strip-shaped boards 201, which reduces the amount of glue used, reduces the formaldehyde content, and is more environmentally friendly.
[0035] In this embodiment, each strip-shaped board 201 includes a plurality of wooden strips 202 that are connected in sequence. At least one second convex block 205 and at least one second groove 206 are respectively arranged at the first end and the second end of each wooden strip 202. The second convex block 205 of each wooden strip 202 can be inserted into the second groove 206 of the adjacent wooden strip 202. That is, the second convex block 205 and the second groove 206 at both ends of the same wooden strip 202 can be respectively inserted and connected with the second groove 206 and the second convex block 205 of the two adjacent wooden strips 202 on both sides. The splicing in the length direction of the splicing board layer 2 is realized by the sequential insertion of a plurality of wooden strips 202.
[0036] In this embodiment, a plurality of second protrusions 205 and a plurality of third grooves 207 are provided at the first end of each wooden strip 202, and a plurality of second grooves 206 and a plurality of third protrusions 208 are provided at the second end of each wooden strip 202. All the second protrusions 205 and all the third grooves 207 at the first end of each wooden strip 202 are alternately arranged to form a first serrated splicing interface; all the second grooves 206 and all the third protrusions 208 at the second end of each wooden strip 202 are alternately arranged to form a second serrated splicing interface. The first serrated splicing interface of each wooden strip 202 is finger-jointed with the second serrated splicing interface of the adjacent wooden strip 202, so as to be spliced into a strip board 201.
[0037] In this embodiment, each first serrated splicing interface and each second serrated splicing interface have an adhesive surface 4. The adhesive surfaces 4 of each first serrated splicing interface and each second serrated splicing interface are both located at the middle section along the width direction of the wooden strip 202. The adhesive surface 4 is Figure 4 the serrated surface part in the square frame in. The adhesive surface 4 of each first serrated splicing interface is bonded to the adhesive surface 4 of the corresponding second serrated splicing interface, that is, each first serrated splicing interface and each second serrated splicing interface are not completely bonded, and only the bonding is carried out on the adhesive surface 4 at the middle section. On the premise of meeting the strength, the amount of glue used is reduced as much as possible to ensure its environmental protection characteristics. As a preferred implementation manner, the length of the adhesive surface 4 accounts for one-third of the length of the finger-jointed tooth gap formed by the first serrated splicing interface and the second serrated splicing interface. Each first serrated splicing interface and each second serrated splicing interface are bonded by glue.
[0038] In this embodiment, there is one first protrusion 203 and one first groove 204.
[0039] In this embodiment, both the first veneer layer 1 and the second veneer layer 3 are cross-grain boards, and the splicing board layer 2 is a longitudinal-grain board.
[0040] In this embodiment, the first veneer layer 1 is bonded to the splicing board layer 2, and the second veneer layer 3 is bonded to the splicing board layer 2. The materials of the first veneer layer 1, the splicing board layer 2, and the second veneer layer 3 are all eucalyptus or Chinese fir. As a preferred implementation manner, after the upper and lower surfaces of the splicing board layer 2 are coated with glue, it is pressed together with the first veneer layer 1 and the second veneer layer 3 by a hot press to form a solid wood composite board 100, greatly improving the strength of the entire solid wood composite board 100 and being able to solve the problems of easy cracking and easy deformation of eucalyptus or Chinese fir wood boards.
[0041] In this embodiment, the spliced board layer 2 is made into a standard four-foot-eight-foot composite solid wood new material - substrate through processes such as drying, leveling, grooving, combing, finger-jointing, and panel cutting from several individual wooden strips 202 with a length of 500 mm, a width of 50 mm, and a thickness of 5 - 10 mm. Specifically: The individual wooden strips 202 are planed to the required size by a planing and cutting machine; dried by a dryer and leveled by a leveling machine; then double-end grooving machines are used to open concave and convex grooves (the first convex block 203 and the first concave groove 204) at both ends in the length direction; the grooved individual wooden strips 202 are combed by an automatic finger-jointing machine (forming the first serrated splicing interface and the second serrated splicing interface), and then finger-jointed to obtain a finger-jointed strip board 201 of a certain length; the strip board 201 is spliced in the width direction through the concave and convex grooves, such as using a panel splicing machine for splicing, to obtain a panel of a certain width, and the spliced panel is cut into a standard four-foot-eight-foot size of 1220 mm × 2440 mm by a panel cutting machine. The first veneer layer 1 and the second veneer layer 3 are planed by a special cross-grain planing machine, and the thickness is 0.5 mm - 2 mm.
[0042] In actual production applications, the spliced board layer 2 is composed of several eucalyptus or fir wooden strips 202, and the size specifications of the eucalyptus or fir wooden strips 202 are [500 mm × 50 mm × (5 - 10) mm], which makes full use of the 3 - 5-year fast-growing eucalyptus or fir log materials, not only reducing the manufacturing cost of the board, but also replacing most of the original wood boards.
[0043] The solid wood composite board 100 of the present utility model has the advantages of high strength, low cost, environmental protection, termite prevention, etc. After the surface of the solid wood composite board 100 is sanded, natural wood veneers with various patterns can be pasted on its surface, which can meet the application requirements in the decoration fields such as furniture, kitchen utensils, cabinet doors, and decorative finishes. Especially when used on the wall panels for house decoration, it can omit the non-environmental protection processes such as wall plastering and painting. The thickness of the solid wood composite board 100 can be 6 cm, 9 cm, 18 cm, etc.
[0044] In the present utility model, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.
Claims
1. A solid wood composite board, characterized in that: It includes a first single-board layer, a splicing board layer, and a second single-board layer that are fixedly connected in sequence. The wood fibers of the first single-board layer and the splicing board layer are arranged in a staggered manner, and the wood fibers of the second single-board layer and the splicing board layer are arranged in a staggered manner. The splicing board layer includes a plurality of strip-shaped boards spliced in sequence.
2. The solid wood composite board according to claim 1, characterized in that: At least one first convex block and at least one first groove are respectively provided on two long side edges of each of the strip-shaped boards, and the first convex block of each of the strip-shaped boards is inserted into the first groove of the adjacent strip-shaped board.
3. The solid wood composite board according to claim 2, characterized in that: Each of the strip-shaped boards includes a plurality of wooden strips connected in sequence. At least one second convex block and at least one second groove are respectively provided at the first end and the second end of each of the wooden strips, and the second convex block of each of the wooden strips can be inserted into the second groove of the adjacent wooden strip.
4. The solid wood composite board according to claim 3, wherein: A plurality of the second convex blocks and a plurality of third grooves are provided at the first end of each of the wooden strips, and a plurality of the second grooves and a plurality of third protrusions are provided at the second end of each of the wooden strips. All the second convex blocks and all the third grooves at the first end of each of the wooden strips are alternately arranged to form a first serrated splicing interface, and all the second grooves and all the third protrusions at the second end of each of the wooden strips are alternately arranged to form a second serrated splicing interface. The first serrated splicing interface of each of the wooden strips is finger-jointed with the second serrated splicing interface of the adjacent wooden strip.
5. The solid wood composite board according to claim 4, characterized in that: Each of the first serrated splicing interfaces and each of the second serrated splicing interfaces has an adhesive surface. The adhesive surfaces of each of the first serrated splicing interfaces and each of the second serrated splicing interfaces are both located at the middle section along the width direction of the wooden strip, and the adhesive surface of each of the first serrated splicing interfaces is bonded to the adhesive surface of the corresponding second serrated splicing interface.
6. The solid wood composite board according to claim 2, wherein: There is one first convex block and one first groove.
7. The solid wood composite board according to any one of claims 1-6, characterized in that: Both the first single-board layer and the second single-board layer are cross-grain boards.
8. The solid wood composite board according to any one of claims 1-6, characterized in that: The splicing board layer is a longitudinal-grain board.
9. The solid wood composite board according to any one of claims 1-6, characterized in that: The first single-board layer is bonded to the splicing board layer, and the second single-board layer is bonded to the splicing board layer.
10. The solid wood composite board according to any one of claims 1-6, characterized in that: The materials of the first single-board layer, the splicing board layer, and the second single-board layer are all eucalyptus or Chinese fir.