Core-linked closely-embedded core board and production process

Abstract

The invention relates to a core-linked closely-embedded core board and a production process, and relates to the technical field of core boards, the core-linked closely-embedded core board comprises single boards, one side of each single board is provided with a connecting protrusion, the other side of each single board is provided with a connecting groove body, the core board further comprises a covering layer, a plurality of single boards are spliced to form a core body, and the covering layer is arranged on the surface of the core body. The method has the advantage that the strength of the joints is high.

Description

Technical Field

[0001] This application relates to the technical field of core boards, and in particular to a core-connected tightly-embedded core board and its production process. Background Art

[0002] During the production of boards, such as ecological boards, core boards are required. Existing core boards are mostly assembled from multiple single boards. However, after the single boards are assembled, during use, the strength at the joints is relatively low. Summary of the Invention

[0003] Aiming at the deficiencies of the existing technology, one of the purposes of this application is to provide a core-connected tightly-embedded core board and its production process, which have the advantage of relatively high strength at the joints.

[0004] The above object of this application is achieved through the following technical solutions:

[0005] A core-connected tightly-embedded core board includes a single board. A connecting protrusion is provided on one side of the single board, and a connecting groove is provided on the other side of the single board.

[0006] In a preferred example of this application, it can be further configured as: further includes a covering layer. Multiple single boards are spliced into a core body, and the covering layer is provided on the surface of the core body.

[0007] This application also discloses a production process of a core-connected tightly-embedded core board for producing the above core-connected tightly-embedded core board, including the following steps: single board forming step: forming a connecting groove on one side of the baffle and forming a connecting protrusion on the other side of the single board; core body forming step: connecting the connecting groove and the connecting protrusion; core board forming step: providing a covering layer on the surface of the core body.

[0008] In a preferred example of this application, it can be further configured as: there is also a glue coating step before the core body forming step. In the glue coating step, glue is coated on the connecting protrusion and the surface where the connecting protrusion is located.

[0009] In a preferred example of this application, it can be further configured as: in the glue coating step, a glue coating plate is used. The glue coating plate is provided with a glue coating groove adapted to the connecting protrusion, and the glue coating plate is provided with a liquid absorption layer for adsorbing glue, and the adsorption layer covers the position on the glue coating plate for glue coating.

[0010] In a preferred example of this application, it can be further configured as: in the core body forming step, connect the connecting protrusion and the connecting groove, apply pressure, observe the overflow amount of the joint glue, and according to the amount of the overflowing glue, coat the surface of the core body with glue again.

[0011] In a preferred example, the present application can be further configured as follows: in the core board forming step, the overflowed glue is coated so that it is evenly distributed on the core surface, and then the surface where no glue is present is coated with glue.

[0012] In a preferred example, the present application can be further configured as follows: in the core board forming step, the covering layer is covered on the surface of the core body and pressure is applied for a period of time.

[0013] In a preferred example, the present application can be further configured as follows: in the gluing step and the core board forming step, the width direction of the single board is perpendicular to the horizontal plane.

[0014] The present application has the following advantages: the design of the connecting protrusions and the connecting grooves makes the connection between the single boards more secure and the connection strength at the joints higher during use; secondly, during use, there is a tiny gap between the connecting protrusions and the connecting grooves, so that when moisture is absorbed and expanded, there is a deformation gap, thereby reducing the probability of moisture absorption and deformation at the joints of the boards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of this application.

[0016] Figure 2 It is a vertical cross-sectional structural schematic diagram of this application.

[0017] Figure numerals: 1, single board; 11, connecting protrusion; 12, connecting groove; 13, groove. DETAILED DESCRIPTION

[0018] The present application is further described in detail below in conjunction with the accompanying drawings.

[0019] Reference Figure 1 and Figure 2 , which is a core-connected densely embedded core board disclosed in the present application, includes a single board 1 and a covering layer, a connecting protrusion 11 is provided on one side of the single board 1, and a connecting groove 12 is provided on the other side of the single board 1. Multiple single boards 1 are spliced ​​into a core body, and a covering layer is provided on the surface of the core body.

[0020] In this embodiment, the above-mentioned connection protrusion 11 is arranged on the left side of the single board 1, and the above-mentioned connection groove body 12 is arranged on the right side. The front side and the rear side are both serrated. And they can mesh with each other. The cross section of the connection protrusion 11 can be rectangular, isosceles trapezoidal, circular, etc., and the surface where the connection protrusion 11 is located can be a plane, an inclined surface, or an arc surface.

[0021] The present application also discloses a production process of a core-linked densely embedded core board, comprising the following steps:

[0022] Single board 1 forming step: forming a connection groove 12 on one side of the baffle, and forming a connection protrusion 11 on the other side of the single board 1;

[0023] Gluing step: Vertically arrange the veneer 1 so that the width direction of the veneer 1 is perpendicular to the horizontal plane, and apply glue on the connecting protrusion 11 and the surface where the connecting protrusion 11 is located.

[0024] In the gluing step, a gluing plate is used. The gluing plate is provided with a gluing groove adapted to the connecting protrusion 11. The gluing plate is provided with a liquid absorption layer for adsorbing glue. The absorption layer covers the position on the gluing plate for gluing. In this embodiment, the liquid absorption layer can be a sponge, a cloth layer, a brush layer, or a nozzle for spraying glue, etc.

[0025] Core forming step: With the veneer 1 vertically arranged, connect the connecting groove body 12 with the connecting protrusion 11 and apply pressure, observe the amount of glue overflowing to the surface of the core, and according to the amount of overflowing glue, apply glue to the surface of the core again.

[0026] Core board forming step: Coat the overflowing glue downward to make it evenly distributed on the surface of the core. Subsequently, apply glue to the surface of the core where there is no glue. Then cover the surface of the core with a covering layer. The covering layer includes two layers of science and technology wood veneers, namely a horizontal science and technology wood veneer and a vertical science and technology wood veneer. The science and technology wood veneer connected to the core layer is provided with liquid seepage holes (patterns). The horizontal science and technology wood veneer and the vertical science and technology wood veneer refer to the direction of the patterns of the science and technology wood veneer being horizontal or vertical when connecting.

[0027] See Figure 2 for example, taking the Figure 2 conical connecting protrusion 11 and the inclined plane where the connecting protrusion 11 is located as an example. In the gluing step, vertically arrange the veneer 1 and place it on the science and technology wood veneer without liquid seepage holes (patterns). At this time, the connecting protrusion 11 and the inclined plane where the connecting protrusion 11 is located form a groove 13. Through the setting of the gluing plate, the surface of the connecting protrusion 11 and the groove 13 are filled with glue. In this embodiment, when applying glue, the glue will not overflow to the side of the veneer 1 (that is, the surface where the seam between the connecting protrusion 11 and the connecting groove body 12 is located after forming the core and is not the front or rear side where the serrations are located). In other embodiments, the glue can overflow to the side of the veneer 1 during the gluing step; that is, the existence of the groove 13 can reduce the contact area between the glue and the air and reduce the probability of contact with impurities. At the same time, when under pressure during splicing, the glue overflows, making the glue coverage effect on the contact surface better.

[0028] Core forming step: With the veneer 1 vertically arranged, connect the connecting groove body 12 with the connecting protrusion 11 and apply pressure. At this time, the glue in the groove 13 will overflow to the surface of the core, and according to the amount of overflowing glue, apply glue to the surface of the core again. If no glue overflows, apply glue to the connecting protrusion 11 again.

[0029] Core board forming steps: The overflow glue on the surface of the core is coated downward to make it evenly distributed on the surface of the core. Subsequently, glue is coated on the surface of the core where there is no glue. At this time, some glue will flow onto the following veneer layer of the engineered wood. Then, the veneer layer of the engineered wood with seepage holes (patterns) is covered on the surface of the core, and pressure is applied to make the glue seep out from the seepage holes (patterns). The core is moved so that it does not contact the following veneer layer of the engineered wood. Glue is coated on the following veneer layer of the engineered wood to make the glue above evenly arranged. Then, the core is set horizontally so that the following veneer layer of the engineered wood is bonded to the veneer layer of the engineered wood with seepage holes (patterns). Subsequently, in the horizontal state, the covering layer is connected to the upper surface of the core board.

[0030] The implementation principle of this embodiment is as follows: Through the settings of the connecting protrusions 11 and the connecting grooves 12, the strength of the core board is higher. During the production process, through the vertical gluing of the board and the gluing on the surface of the core, the waste of glue can be greatly reduced, and at the same time, the probability of low strength at the joint caused by insufficient glue amount at the joint can also be reduced.

[0031] The embodiments of this specific implementation manner are all preferred embodiments of this application. The protection scope of this application is not limited hereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A core-connected and closely-embedded core board, characterized in that: It includes a single board (1), one side of the single board (1) is provided with a connecting protrusion (11), and the other side of the single board (1) is provided with a connecting groove body (12).

2. The core-link closely embedded core board according to claim 1, characterized in that: It further includes a covering layer. Multiple single boards (1) are spliced into a core body, and the surface of the core body is provided with the covering layer mentioned above.

3. A production process for a core-connected and closely-embedded core board, which is used to produce the core-connected and closely-embedded core board as described in any one of claims 1-2, characterized in that: It includes the following steps. Single board (1) forming step: form a connecting groove body (12) on one side of the baffle, and form a connecting protrusion (11) on the other side of the single board (1). Core body forming step: connect the connecting groove body (12) and the connecting protrusion (11). Core board forming step: set a covering layer on the surface of the core body.

4. The production process of a core-linked and closely embedded core board according to claim 3, characterized in that: Before the core body forming step, there is also an adhesive coating step. In the adhesive coating step, apply adhesive liquid on the connecting protrusion (11) and the surface where the connecting protrusion (11) is located.

5. The production process of a core-linked embedded core board according to claim 4, characterized in that: In the adhesive coating step, an adhesive coating plate is used. The adhesive coating plate is provided with an adhesive coating groove adapted to the connecting protrusion (11), and the adhesive coating plate is provided with a liquid absorption layer. The liquid absorption layer is used to absorb the adhesive liquid, and the absorption layer covers the position on the adhesive coating plate for applying the adhesive.

6. The production process of a core-connected and closely-embedded core board according to claim 5, characterized in that: In the core body forming step, connect the connecting protrusion (11) and the connecting groove body (12), and apply pressure, observe the overflow amount of the joint adhesive liquid, and according to the amount of the overflowing adhesive, apply adhesive liquid on the surface of the core body again.

7. The production process of a core-connected and closely-embedded core board according to claim 6, characterized in that: In the core board forming step, coat the overflowing adhesive liquid to make it evenly distributed on the surface of the core body, and then coat the adhesive liquid on the surface without adhesive liquid.

8. The production process of a core-connected and closely embedded core board according to claim 7, characterized in that: In the core board forming step, cover the covering layer on the surface of the core body and apply pressure for a period of time.

9. The production process of a core-linked and closely-embedded core board according to claim 5, characterized in that: In the adhesive coating step and the core board forming step, the width direction of the single board (1) is perpendicular to the horizontal plane.

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