CN215152649U - Melamine paper veneer substrate - Google Patents
Melamine paper veneer substrate Download PDFInfo
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- CN215152649U CN215152649U CN202023133569.5U CN202023133569U CN215152649U CN 215152649 U CN215152649 U CN 215152649U CN 202023133569 U CN202023133569 U CN 202023133569U CN 215152649 U CN215152649 U CN 215152649U
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Abstract
A melamine paper veneer substrate belongs to the technical field of artificial board production and manufacturing. One side of the middle core layer is connected with the upper glue-mixed wood powder layer, the other side of the middle core layer is connected with the lower glue-mixed wood powder layer, and a plurality of middle core layers are connected between the upper glue-mixed wood powder layer and the lower glue-mixed wood powder layer. The method comprises the steps of selecting a multilayer board or a blockboard, and preparing the three-amino board with a three-layer structure by a wood powder glue mixing process step, a paving process step, a prepressing process step, a hot pressing process step and a polishing process step, wherein the upper layer and the lower layer are both wood powder layers, and the middle core layer is the multilayer board or the blockboard. The utility model has the advantages of such compound mode, the main objective is in order to solve the tradition and uses multiply wood and carpenter board as basic wood-based plate, behind laminating wood face skin or science and technology veneer, after applying ointment or plaster melamine paper again, a series of problems such as scorching, carbonization, fracture, internal defect that exist expose, and on the other hand can overcome the condition that wood face skin gradually reduces day by day, reduces the single restricted problem of enterprise's production raw and other materials.
Description
Technical Field
The utility model relates to a melamine paper decorative board base plate belongs to wood-based plate manufacturing technical field.
Background
With the development of the decoration industry, the field manufacture of furniture is less and less, and the full-house customized furniture is more and more popular. On one hand, the customized furniture is designed and then installed, consumers can visually feel the installation effect at the initial design stage, and the consumers can randomly select the colors and the patterns which are wanted by the consumers. On the other hand, the furniture is manufactured in a factory and installed on site, so that the environmental problem of on-site manufacture can be effectively reduced, and the rising of the customized furniture is inevitable.
The melamine decorative board is mostly adopted as a main material for producing the customized furniture in the whole house customization industry, however, the situations of cracking and the like are always inevitable in the practical application process of the board decorated by the multilayer board and the blockboard. The main reason is that the solid wood surface skin and the technical wood skin are used as main veneering materials in the production process of the multilayer board and the blockboard, and the surface skins of the two materials inevitably have the phenomena of local shrinkage, uneven stress release and cracking under the influence of temperature, air humidity and the like, particularly the board pasted with the triamine paper is most obvious.
In the production process of the triamine base plate, when a solid wood surface skin or a technical wood board is used as a surface layer material, if the putty is not repaired in the production process of the triamine base plate, the phenomena of scorching, carbonization and internal defect appearance always occur in the process of sticking the triamine paper, so that the qualification rate of the product is seriously reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a melamine paper veneer base plate.
One side of the middle core layer is connected with the upper glue-mixed wood powder layer, the other side of the middle core layer is connected with the lower glue-mixed wood powder layer, and the middle core layers are connected between the upper glue-mixed wood powder layer and the lower glue-mixed wood powder layer.
The wood board is connected between 2 middle core layers. The upper glue-mixed wood powder layer and the lower glue-mixed wood powder layer are formed by directly hot-pressing wood powder after being mixed with glue on the surface of the middle core layer or the surface of the carpentry board. The middle core layer comprises a longitudinal wood structure layer and a transverse wood structure layer.
A manufacturing method of a melamine paper veneer board substrate comprises the following steps:
the method comprises the steps of selecting a multilayer board or a blockboard, and preparing the three-amino board with a three-layer structure by a wood powder glue mixing process step, a paving process step, a prepressing process step, a hot pressing process step and a polishing process step, wherein the upper layer and the lower layer are both wood powder layers, and the middle core layer is the multilayer board or the blockboard.
The utility model has the advantages of such compound mode, the main objective is in order to solve the tradition and uses multiply wood and carpenter board as basic wood-based plate, behind laminating wood face skin or science and technology veneer, after applying ointment or plaster melamine paper again, a series of problems such as scorching, carbonization, fracture, internal defect that exist expose, and on the other hand can overcome the condition that wood face skin gradually reduces day by day, reduces the single restricted problem of enterprise's production raw and other materials.
Drawings
The invention itself, however, as well as many of the attendant advantages thereof, will be best understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein like reference numerals indicate like parts throughout the several views, and wherein:
fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of a second structure of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Obviously, many modifications and variations of the present invention based on the spirit of the present invention will be apparent to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element, component or section is referred to as being "connected" to another element, component or section, it can be directly connected to the other element or section or intervening elements or sections may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art.
The following examples are further illustrative in combination to facilitate understanding of the embodiments, and are not to be construed as limiting the invention.
Example 1: as shown in fig. 1 and 2, a melamine paper veneer substrate comprises an upper mixed bakelite powder layer 1, a lower mixed bakelite powder layer 2, and a middle core layer 3, wherein the middle core layer 3 comprises a wood longitudinal structure layer 5 and a wood transverse structure layer 4.
One side of the middle core layer 3 is connected with the upper mixed bakelite powder layer 1, the other side of the middle core layer 3 is connected with the lower mixed bakelite powder layer 2, and the middle core layer 3 is connected between the upper mixed bakelite powder layer 1 and the lower mixed bakelite powder layer 2.
The wood board 6 is connected between 2 intermediate core layers 3.
The middle core layer 3 and the blockboard 6 of the multilayer board are both market finished product base materials, and the upper glue-mixed wood powder layer 1 and the lower glue-mixed wood powder layer 2 are formed by directly hot-pressing the wood powder after being mixed with glue on the surface of the middle core layer 3 or the blockboard 6.
The upper mixed bakelite powder layer 1 and the lower mixed bakelite powder layer 2 are formed into a compact wood layer with the density of more than 650kg/m3 through 40-200 meshes of wood powder, mixing with glue, performing cold pressing and hot pressing, and polishing to obtain the wood layer with the thickness of 0.01-1.5 mm.
The glue can be one or more of water-based polyvinyl acetate emulsion, water-based acrylic emulsion, soybean protein glue, water-based polyurethane emulsion, urea-formaldehyde resin and phenolic resin, and the soybean protein glue and the polyvinyl acetate emulsion are preferred.
The middle core layer 3 is a multi-layer board with a structure of poplar, eucalyptus globulus, willow eucalyptus, poplar birch and whole birch, and the blockboard 6 is a blockboard with a structure of poplar core, tung core, fir core, birch core and radiation pine core.
The melamine decorative board can be used for manufacturing and producing a series of products such as door boards, carved door boards, floors, plastic uptake door boards and the like besides the melamine decorative board.
Example 2: a manufacturing method of a melamine paper veneer board substrate comprises the following steps:
taking the eucalyptus globulus wood multilayer as an example, 50-mesh fine wood powder enters a glue mixer through a bin, soybean protein glue is added according to 20% of the weight of the wood powder, the mixture is uniformly mixed after high-speed stirring, the uniformly mixed glue-mixed material is conveyed to a paving system through a belt, the paving system uniformly paves the powder on a conveying belt, then a 17.5mm thick eucalyptus globulus wood multilayer substrate is placed on the glue-mixed material at the bottom layer, surface glue-mixed material paving is carried out, the paved board is formed by rolling by a roller press, the formed board is hot-pressed on a laminating machine, the hot-pressing temperature is 180 ℃, the time is 40s, the pressure is 10Mpa, and the melamine paper veneer substrate is obtained after polishing after the hot-pressing is finished.
Example 3: a manufacturing method of a melamine paper veneer board substrate comprises the following steps:
taking a fir core wood board as an example, adding 60-mesh wood powder into a polyvinyl acetate emulsion according to 15% of the weight of the wood powder, uniformly mixing, then paving the mixed wood powder on two sides of a 16.5 mm-later all-eucalyptus solid wood multilayer substrate, carrying out cold press molding, carrying out hot pressing at 140 ℃, and polishing after the hot pressing is finished to obtain the melamine paper veneer substrate.
Example 4: a manufacturing method of a melamine paper veneer board substrate comprises the following steps:
taking a poplar core wood board as an example, 40-mesh fine wood powder enters a glue mixer through a bin, polyvinyl acetate emulsion is added into the glue mixer according to 15% of the weight of the wood powder, the mixture is uniformly mixed after high-speed stirring, the uniformly mixed glue-mixed material is conveyed to a paving system through a belt, the paving system uniformly paves powder on a conveying belt, then a 16.5mm thick poplar core wood board is placed on the bottom layer glue-mixed material, surface layer glue-mixed material paving is carried out, the paved board is formed by rolling by a rolling machine, the formed board is hot-pressed on a laminating machine, the hot-pressing temperature is 150 ℃, the time is 20s, the pressure is 6MPa, and the melamine paper veneer substrate is obtained after polishing after the hot-pressing is finished.
Example 5: a manufacturing method of a melamine paper veneer board substrate comprises the following steps:
the wood flour glue mixing process comprises the steps that wood flour of 40-100 meshes is metered and then enters a glue mixer, meanwhile, glue enters the glue mixer through a nozzle, glue mixing powder is formed after high-speed mixing, and then paving is carried out.
The glue can be one or more of water-based polyvinyl acetate emulsion, water-based acrylic emulsion, soybean protein glue, water-based polyurethane emulsion, urea-formaldehyde resin and phenolic resin, and the soybean protein glue and the polyvinyl acetate emulsion are preferred.
Paving, namely paving the bottom layer wood powder on a conveying belt uniformly according to the measurement, placing a multilayer board or a blockboard substrate on the conveying belt, continuously paving the upper layer powder, and then pre-pressing.
The prepressing process comprises the steps of adopting a shaving board production line for rolling and molding, adopting a cold press for single-sheet or multi-sheet prepressing and molding, preferably rolling and molding, and then carrying out hot pressing.
Hot pressing process, which adopts a single-layer or multi-layer press for hot pressing, or adopts a flat-pressing hot-pressing line for hot pressing, wherein the hot pressing pressure is controlled at 7-12Mpa, and the hot pressing time is 1.0-2.0min/mm (calculated according to the thickness of the surface layer).
The middle core layer is a multi-layer board of poplar, eucalyptus globulus, willow eucalyptus, poplar birch and birch structure, and the blockboard can be a blockboard of poplar, tung wood, fir wood, birch wood and radiata pine core structure.
And polishing the surface of the melamine paper veneer substrate after the hot pressing process step to obtain the melamine paper veneer substrate.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the invention and its effects. Therefore, all such modifications are included in the scope of the present invention.
Claims (3)
1. The melamine paper veneer board substrate is characterized in that one surface of the middle core layer is connected with the upper glue-mixed wood powder layer, the other surface of the middle core layer is connected with the lower glue-mixed wood powder layer, and the multiple middle core layers are connected between the upper glue-mixed wood powder layer and the lower glue-mixed wood powder layer.
2. The melamine paper veneer substrate according to claim 1, wherein the wood board is connected between 2 intermediate core layers.
3. The melamine paper veneer substrate according to claim 1, wherein the middle core layer comprises a wood longitudinal structure layer and a wood transverse structure layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133569.5U CN215152649U (en) | 2020-12-23 | 2020-12-23 | Melamine paper veneer substrate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023133569.5U CN215152649U (en) | 2020-12-23 | 2020-12-23 | Melamine paper veneer substrate |
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| CN215152649U true CN215152649U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549698A (en) * | 2020-12-23 | 2021-03-26 | 孙小力 | Melamine paper veneer substrate and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549698A (en) * | 2020-12-23 | 2021-03-26 | 孙小力 | Melamine paper veneer substrate and manufacturing method thereof |
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Address after: 273305 Baier Industrial Park, Bianqiao Town, Pingyi County, Linyi City, Shandong Province Patentee after: Sun Xiaoli Address before: Beier Industrial Park, Bianqiao Town, Pingyi County, Linyi City, Shandong Province 273305 Patentee before: Sun Xiaoli |