CN216142646U

CN216142646U - Plate and door body composed of same

Info

Publication number: CN216142646U
Application number: CN202121418976.2U
Authority: CN
Inventors: 陈钦智
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-03-29
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a panel and a door body composed of the panel. The strip-shaped wood chips are arranged in the plate body, so that the nail holding performance of the plate body is enhanced; in addition, the air cavities in the plate body have excellent absorption performance on sound waves, so the plate body also has a good sound insulation effect.

Description

Plate and door body composed of same

Technical Field

The utility model relates to a sheet material and a door body composed of the sheet material in the technical field of building materials.

Background

The plate is applied to the building industry, and can be used as a component of various parts, such as a door core plate and the like. The existing door core plate is usually made of a door body filling material which can only meet a single function, mainly plays a role in fire prevention and heat insulation, has incombustibility and a good heat insulation effect, but has poor structural strength and cannot be matched with hardware for application. In addition, the existing door core plate is made of pure filling materials, and the structural strength of the existing door core plate is still attached to a framework of a door to be used as a main body structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve one of the technical problems in the prior art, and provides a sheet material and a door body formed by the sheet material, which have good nail holding performance.

According to an embodiment of the first aspect of the present invention, there is provided a plank including a plank body, wherein a plurality of strip-shaped wood chips are arranged in the plank body, and a plurality of air cavities are formed in the plank body.

According to an embodiment of the first aspect of the utility model, further the length of the strand-shaped wood chips is 12mm to 16 mm.

According to the embodiment of the first aspect of the present invention, the board body further includes more than two component layers, the strip-shaped wood chips are distributed in each component layer, each component layer is laminated, and a spacing layer is disposed between two adjacent component layers.

According to an embodiment of the first aspect of the present invention, further, the spacer layer is attached to the first end surface of the component layer, and the air cavity is located on the first end surface of the component layer.

According to an embodiment of the first aspect of the present invention, a rectangular grid is divided on the first end surface of the component layer, and the air cavities are respectively located on grid points of the rectangular grid.

According to an embodiment of the first aspect of the utility model, further, the plate body is a magnesium compound member.

According to an embodiment of the first aspect of the present invention, further, wood chip fibers are further disposed in the board body.

According to a second aspect of the embodiment of the utility model, a door body is provided, which comprises a door core plate, wherein the door core plate is the sheet material.

The utility model has the beneficial effects that: the strip-shaped wood chips are arranged in the plate body, so that the nail holding performance of the plate body is enhanced; in addition, the air cavities in the plate body have excellent absorption performance on sound waves, so the plate body also has a good sound insulation effect.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is an exploded view of a sheet material in an embodiment of the present invention;

FIG. 2 is a top cross-sectional view of a sheet material in an embodiment of the utility model;

FIG. 3 is a front cross-sectional view of a sheet material in an embodiment of the utility model.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, the plate according to the first embodiment of the present invention includes a plate body 10, a plurality of strip-shaped wood chips 20 are disposed in the plate body 10, a volume of the strip-shaped wood chips 20 is 65-70% of a total volume of the plate body 10, and the strip-shaped wood chips 20 can effectively improve a nail holding performance and a screw biting force of the plate. Optionally, the length of the strip-shaped wood chips 20 is 12mm to 16mm to ensure that the board body 10 can provide enough holding force. Further, wood chip fibers are further arranged in the board body 10, and the nail holding performance of the board body 10 is enhanced. It is worth mentioning that the strip-shaped wood chips 20 can be produced by breaking recyclable waste wood products, and most components can be degraded in natural environment after the plates are discarded, thereby having environmental protection benefit.

A plurality of air cavities 12 are formed inside the panel body 10, and the air cavities 12 have more excellent absorption and reflection functions for sound waves, thereby being advantageous to improving heat insulation and sound insulation effects. Optionally, the board body 10 includes more than two component layers 11, the strip-shaped wood chips 20 are distributed in each component layer 11, the component layers 11 are laminated, and a spacing layer 13 is disposed between two adjacent component layers 11. The spacing layer 13 plays a supporting role when the plate body 10 is manufactured. The spacing layer 13 is attached to the first end face of the component layer 11, and the air cavities 12 are located on the first end face of the component layer 11, so that it is easy to understand that the first end faces of two adjacent component layers 11 are not attached to each other, so as to ensure the uniform distribution of the air cavities 12. Rectangular grids are divided on the first end face of the component layer 11, the air cavities 12 are respectively located on grid points of the rectangular grids, the air cavities 12 are uniformly arranged, and the overall sound insulation and heat insulation performance of the plate body 10 is more reliable. The air cavity 12 is formed inside the panel, and the surface of the panel is smooth, thus being easy to decorate and clean.

In some embodiments, the panel body 10 is a magnesium compound member including magnesium sulfate solution, light burned magnesium oxide, strand wood chips 20, wood chips fibers, a modification enhancer, a high efficiency water reducer, and a foaming agent. The addition of the foaming agent also reduces the weight of the board, so that the board is 25 to 30 percent lighter than a common glass magnesium board, the weight of each cubic meter of the board is between 700 and 750 kilograms, and the production and construction are convenient. Optionally, the volume or mass ratio of the magnesium sulfate solution, the light-burned magnesium oxide, the strip wood chips 20, the wood chip fibers, the modification reinforcing agent and the high-efficiency water reducing agent is 90:100:25:3:2.2: 0.5-1.

In this embodiment, the manufacturing method of the plate includes the following steps:

s10, stirring raw materials to form slurry, wherein the raw materials comprise magnesium sulfate solution, light-burned magnesium oxide, strip wood chips 20, wood chip fibers, a modification reinforcing agent, a high-efficiency water reducing agent and a foaming agent. In order to ensure the structural strength of the formed slurry, the volume or mass ratio of the magnesium sulfate solution, the light-burned magnesium oxide, the strip wood chips 20, the wood chip fibers, the modification reinforcing agent and the high-efficiency water reducing agent is 90:100:25:3:2.2: 0.5-1. Adding magnesium sulfate solution into a stirrer, then sequentially adding a modification reinforcing agent and a high-efficiency water reducing agent, stirring, then adding light-burned magnesium oxide powder, uniformly stirring, then adding the strip wood chips 20 and the wood chip fibers, and finally adding a foaming agent to ensure that all raw materials can be uniformly stirred and mixed, particularly the strip wood chips 20 and the wood chip fibers can be uniformly distributed in the slurry. In the embodiment, the following mixture ratio is adopted: 90 kg of light-burned magnesium oxide (85 powder), 100 kg of magnesium sulfate solution (Baume degree is 29-30 degrees), 25 kg of strip sawdust, 3 kg of fine sawdust fiber, 2.2 kg of modification reinforcing agent, 0.5-1 kg of high-efficiency water reducing agent and a proper amount of foaming agent. Optionally, the length of the strip-shaped wood chips 20 is 12-16 mm, that is, the strip-shaped wood chips 20 with the length ranging from 12-16 mm are selected, the length of each strip-shaped wood chip 20 is not necessarily equal, and the strip-shaped wood chips 20 with the length enhance the overall strength and nail-holding power of the formed plate.

S20, pouring the slurry into a hopper, wherein a feed opening of the hopper is a wide variable opening, and the width of the feed opening is not less than two thirds of the width of the plate. Pouring the slurry on the template through a feed opening of the hopper, rolling the slurry on the template through a round roller after the slurry flows onto the template, so that the slurry is basically level, and then scraping the slurry by using a hard adhesive tape to further level the top surface of the slurry on the template; and (3) rolling by adopting a needle roller to form a plurality of blind holes which are uniformly distributed on the top surface of the sizing agent on the template, and finally laying a spacing layer 13, wherein the spacing layer 13 is attached to the top surface of the sizing agent on the template to form a supporting surface. Optionally, the spacer layer 13 is a fiberglass cloth. When the spacing layer 13 is laid on the top surface of the sizing agent on the template, the spacing layer 13 closes the blind holes, so that the blind holes form a closed air cavity 12, and after the plate is formed, the air cavity 12 has more excellent absorption and reflection functions on sound waves, so that the plate can achieve a good sound insulation effect.

In some embodiments, step S20 is repeated at least once to reduce the thickness of each layer of slurry during forming, so that the flatness of the slurry during forming is more controllable, and in addition, more than two layers of air cavities 12 can be formed to improve the sound insulation effect. In the present embodiment, step S20 is repeated once.

And S30, pouring the slurry onto the formwork, specifically, pouring the slurry onto the uppermost spacing layer 13 through a discharge opening of the hopper, wherein the spacing layer 13 plays a supporting role. And after the slurry is basically leveled by rolling the slurry by the round roller, the slurry is scraped by a hard adhesive tape so as to further level the top surface of the slurry on the template. In the embodiment, the thickness of the bottommost layer slurry and the thickness of the topmost layer slurry are both 7mm, and plates with different thicknesses can be supported by changing the thickness of the middle layer slurry. Each layer of slurry forms a component layer 11 after formation.

And S40, curing the template and then demolding. Specifically, the template is placed into a first-stage curing room for first-stage curing and then is demoulded, and during first-stage curing, the temperature of the first-stage curing room is raised, so that the moisture in the slurry can be removed, and the humidity of the slurry is reduced. As can be understood, the first-stage curing room has the functions of automatic heating, automatic heat mixing and automatic moisture removal. And (5) demoulding the blank after 20 hours of curing in a primary curing room.

And (3) performing secondary curing on the demolded blank plates, specifically, stacking the blank plates and placing the stacked blank plates in a secondary curing room, and placing a layer of parting bead between every three blank plates, so that free moisture is conveniently discharged in the plate curing process, and the humidity of the blank plates is further reduced. It can be understood that the secondary curing room also has the functions of automatic heating, automatic heat mixing and automatic moisture removal. And continuously maintaining the embryonic plate in a secondary maintenance room for 5 days until the humidity of the embryonic plate is 13-15 ℃.

After the second-stage curing, double-side thickness-fixed sanding is carried out on the blank board subjected to the second-stage curing on a sanding production line, the thickness of the sanded blank board is 18-19 mm, the thickness of the board body 10 after the sanding is finished is controlled to be 16mm, and the positive and negative errors are 0.2 mm.

The door body in the second aspect of the embodiment of the utility model comprises a door core plate, and the door core plate is the plate. The door core plate is lighter, has good sound insulation and heat insulation performance, can be directly used for fixing pieces such as screws and the like, simplifies the door body structure and effectively controls the cost.

Of course, the board can also be widely applied to architectural decoration engineering.

While the preferred embodiments of the present invention have been described in detail, it is to be understood that the utility model is not limited to the precise embodiments, and that various equivalent changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A panel, comprising: the plate comprises a plate body, wherein a plurality of strip-shaped wood chips are arranged in the plate body, and a plurality of air cavities are formed in the plate body; the board body comprises more than two composition layers, the strip wood chips are distributed in the composition layers, the composition layers are laminated, and a spacing layer is arranged between every two adjacent composition layers.

2. A panel according to claim 1, wherein: the length of the strip wood chips is 12 mm-16 mm.

3. A panel according to claim 1, wherein: the spacing layer is attached to the first end face of the component layer, and the air cavity is located on the first end face of the component layer.

4. A panel according to claim 3, wherein: rectangular grids are divided on the first end face of the component layer, and the air cavities are respectively located on grid points of the rectangular grids.

5. A panel according to claim 1, wherein: the plate body is a magnesium compound member.

6. A panel according to claim 1, wherein: the board body is also internally provided with wood chip fibers.

7. A door body, its characterized in that: the door core board is the board as claimed in any one of claims 1-6.