CN120819216A

CN120819216A - Micro-brushed multi-layer solid wood composite flooring and its production process

Info

Publication number: CN120819216A
Application number: CN202410439956.5A
Authority: CN
Inventors: 魏强; 陈向望; 祝鹏深
Original assignee: Power Dekor Floor Jurong Co ltd
Current assignee: Power Dekor Floor Jurong Co ltd
Priority date: 2024-04-12
Filing date: 2024-04-12
Publication date: 2025-10-21

Abstract

The present invention belongs to the technical field of building materials and relates to a micro-brushed multi-layer solid wood composite floor, comprising a surface layer, a core layer and a bottom layer, wherein a eucalyptus layer is provided between the surface layer, the core layer and the bottom layer, and each layer is arranged in a criss-cross pattern with a glue layer provided between them; above the surface layer, a UV paint curing-micro-brushing treatment layer is provided, on the surface of the UV paint curing layer, along the length direction of the floor and parallel thereto, there are discontinuous micro-brushing patterns of uniform depth, with a depth of 0.03-0.10 mm. The present invention also discloses a production process. The micro-brushing patterns on the surface of the floor allow people to visually experience different visual effects and a rich three-dimensional effect due to different light refraction at different visual angles when viewing the floor. The production process of the present invention is simple, has low energy consumption, high efficiency, is energy-saving and environmentally friendly, retains the natural texture and color of the wood, and has a clear texture.

Description

Micro-wiredrawing multilayer solid wood composite floor and production process thereof

Technical Field

The invention belongs to the technical field of building materials, relates to a solid wood floor, and in particular relates to a micro-wiredrawing multilayer solid wood composite floor and a production process thereof.

Background

The multi-layer solid wood composite floor is prepared by taking natural rare tree species veneers (veneers) with different thicknesses as surface layers, taking plywood made of solid wood veneers with criss-cross textures as a base material, and coating special paint for the ultraviolet curing floor with high performance, high wear resistance and high environmental protection, and is widely applied to the household building material industry. The multilayer solid wood composite floor is a popular decoration in the furniture building material industry at present, but along with the shortage of forest resources, the surface with graceful patterns is increasingly reduced. However, the rapid-growing wood and the low-grade wood have the defects of rough grain, single surface pattern, higher surface veneer price and the like, and the market share is lower and lower.

The Chinese patent CN102501658A discloses a floor printing embossing synchronous overprinting process which is carried out by synchronously matching the printing and embossing processes of the floor and has fidelity almost similar to that of a true floor. The floor is printed and embossed with synchronous overprinting equipment, patterns are overprinted with multiple printing ink, the patterns are dried by a UV lamp, deep textures are pressed into concave-convex three-dimensional effects by an embossing roller, the opening line is opened on the lower line of the floor after being synchronously printed and embossed, and then wear-resistant and scratch-resistant surface treatment is carried out. The method is adopted, wherein the texture is synchronously overprinted, so that the texture forms a concave-convex three-dimensional effect, and the overprinted surface is painted.

The embossing roller imprinting equipment for the texture style of the floor surface disclosed in China patent CNCN116079854A heats the embossing roller through heating sheets, so that the whole embossing roller is heated uniformly, and the texture style is pressed out of the surfaces of the floor, the solid wood door plate, the cabinet plate, the furniture plate and the like by the embossing machine which is positioned in the embossing roller and is pressed out of the iron close to the surface of the embossing roller, so that the embossing roller imprinting equipment has strong three-dimensional effect, is high-end and square in the manufactured floor and solid wood furniture, has strong visual effect, and is an optimal surface treatment mode for the floor and the solid wood furniture of the new generation. It takes the form of heating the roller and then embossing the floor surface.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to disclose a micro-wire drawing multilayer solid wood composite floor, which takes a crisscross multilayer board substrate layer as a matrix, wherein the surface of the substrate layer is firstly coated with a UV (ultraviolet) optimal color white background, the upper surface of the optimal color white background is coated with a UV paint base coat, the UV paint base coat is provided with a transfer printing layer and a UV paint layer, then the surface of the UV paint layer is subjected to micro-wire drawing treatment, and finally the processes of forming, chamfering, wax sealing and packaging are carried out.

Technical proposal

A micro-wiredrawing multilayer solid wood composite floor comprises a surface layer, a core layer and a bottom layer, wherein a eucalyptus layer (A) is arranged between the surface layer and the core layer, a eucalyptus layer (B) is arranged between the core layer and the bottom layer, the layers are arranged in a criss-cross mode through textures, a glue layer is arranged between the layers, a UV paint curing-micro-wiredrawing treatment layer is arranged on the surface layer, the UV paint curing-micro-wiredrawing treatment layer is arranged on the surface of the UV paint curing layer, discontinuous micro-wiredrawing textures with the same depth are distributed along the length direction of the floor and parallel to the surface layer, and the depth is 0.03-0.10mm.

The UV paint curing layer has the thickness of 0.15-0.25mm, comprises a UV color-optimizing white primer layer, is provided with a UV paint primer layer, and is sequentially provided with a transfer printing layer, a UV paint layer, an adhesive force primer mixed layer, an anti-cracking adhesion-increasing coating, a wear-resisting coating, a hard coating, a finish coating and other UV coatings.

Further, the UV optimal color white base coat is a UV Gris white paste cured layer.

Further, the transfer printing layer is a UV ink solidified layer with UV coloring dye, and the thickness is 0.05-0.15mm.

The invention discloses a better embodiment, wherein the thicknesses of the surface layer and the bottom layer are 1.2+/-0.2 mm, the wood grain is thin and straight, the spots of the tissue structure are fewer, the processing, coating and gluing properties are better, and further, the surface layer and the bottom layer are beech, birch, sycamore and the like.

The core layer is made of wood with the thickness of 7+/-0.5 mm, fine annual rings, flexible texture, straight texture, small drying deformation, medium mechanical strength and good processability, and the moisture content is 6-8%, and further the core layer is made of pine, such as pinus sylvestris, radiata pine and the like.

In the preferred embodiment of the invention, the thickness of the eucalyptus layer (A) and the eucalyptus layer (B) is 2.2+/-0.5 mm, the wood grains are compact and high in density, the eucalyptus layer (A) and the eucalyptus layer (B) are not easy to deform after being dried, and the textures of the eucalyptus layer (A) and the eucalyptus layer (B) are arranged in the vertical direction, namely crisscross.

The edges of the micro-wiredrawing multilayer solid wood composite floor are provided with the lock catches, and the thickness of the floor is 8-18 mm.

The invention also discloses a production process of the micro-wire drawing multilayer solid wood composite floor.

A production process of a micro-wiredrawing multilayer solid wood composite floor comprises the steps of preparing a base material, carrying out cold pressing and hot pressing for health maintenance, cutting materials, carrying out UV (ultraviolet) color optimizing white background, priming paint, indirect UV ink transfer printing, priming paint, finishing paint, micro-wiredrawing treatment, forming, chamfering sealing paint, wax sealing and packaging after cutting materials,

The indirect UV ink transfer printing process comprises the steps of enabling UV ink coloring primer with dye to flow to the surface of a steel plate-making roller with grains, enabling the surface of the steel plate-making roller to be in contact with a transfer rubber roller, transferring the grain pattern on the surface of the steel plate-making roller with ink to the rubber roller, enabling the rubber roller to be in full contact with the surface of a floor, transferring the grain pattern transferred from the steel plate-making roller to the surface of the floor in a secondary transfer printing mode, and then drying by UV;

The micro wire drawing treatment process comprises the step of rolling the floor surface with the UV paint solidified layer by a steel roller with grains to form discontinuous wire drawing grains parallel to the length direction of the floor along the length direction of the floor, wherein the wire drawing depth is 0.03-0.10mm, and the wire drawing is discontinuous and consistent in depth.

In the preferred embodiment of the invention, in the indirect UV ink transfer printing process, the UV ink coloring primer is an ultraviolet light curing UV paint.

Further, the engraving depth of the steel plate making roller is 200-300 mu m, the formed grain patterns are not limited, and further, the formed grain patterns comprise any patterns such as oak grain, wood rays, cloth grain, spell patterns and the like.

Further, the transfer printing rubber roller is a polyurethane mirror rubber roller, the Shore hardness is 10-30, the surface of the transfer printing rubber roller is in contact with the steel plate making roller, the grain pattern on the surface of the steel plate making roller is transferred to the surface of the polyurethane mirror rubber roller, the mirror roller is fully contacted with the surface of the floor, the height of the roller is adjusted, the floor surface is extruded through the rubber roller, and the transferred grain pattern is transferred to the surface of the wood floor.

The invention discloses a preferable example, wherein the UV color-optimized white background process is also called a water-based color-optimized coloring process, a layer of UV color-optimized Gris white paste is coated on the floor surface, 1-5% of hardener is added, the adhesiveness is enhanced, the UV color-optimized white base coat is formed by solidifying the UV color-optimized Gris white paste, and the UV color-optimized white base coat is generally formed by two layers of coating, wherein the first layer of coating weight is 5-10g/m ², and the second layer of coating weight is 10-30g/m ².

In the preferred embodiment of the invention, the forming process is to carry out locking tongue-and-groove treatment on the floor after micro-wire drawing treatment.

According to the preferred disclosed example, in the chamfer sealing paint process, chamfer paint with the same color as the board surface is sprayed at the chamfer positions around the floor so as to adapt to the board surface color, so that the chamfer paint is coordinated and unified, the coating weight is 5-10g/m ², ultraviolet rays are used for drying after coating, an infrared ray electronic heating mode is adopted in a drying tunnel, the temperature is 100-200 ℃, and the heating time is 10-60 s.

The invention discloses a better embodiment, wherein the coating weight of the wax sealing process is 20-30g/m ², the wax sealing process is carried out, the qualified quality QC detection is carried out, and the product is taken off line, packaged and put in storage.

The invention designs a steel roller used for printing and performs laser engraving, then transfers the texture of the steel roller to the surface of a polyurethane mirror rubber roller with softer material, uses a low-grade material in a wood resource material, covers and prints the natural color difference of the wood surface through a transfer printing technology, then embosses the floor surface after the paint is finished, and forms the paint veneer multilayer solid wood composite micro-wire drawing solid wood composite floor with micro-wire drawing surface type similar impregnated paper layer compacted wood composite floor surface. The method has the advantages of simple process, low energy consumption, energy conservation and environmental protection, remains the natural textures and natural colors of wood, has clear textures, simple production process and lower cost, and has better visual characteristics, higher paint adhesion and other performances through post-treatment.

Advantageous effects

The invention discloses a micro-wiredrawing multilayer solid wood composite floor process, which comprises the steps of firstly carrying out plate roller design and laser engraving on a steel roller used for printing, then transferring lines of the steel roller to the surface of a polyurethane mirror rubber roller with softer materials, using low-grade veneer in a wood resource material, and carrying out indirect transfer printing on natural chromatic aberration on the surface of the wood while retaining natural textures of the wood. Secondly, rolling the floor surface with the paint layer through a steel roller with grains, and forming intermittent wiredrawing grains parallel to the length direction of the floor along the length direction of the floor. When a person visualizes the floor, different visual angles can generate different visual effects due to different light refraction, so that the overall vision is three-dimensional and rich. The invention has low energy consumption, higher efficiency, energy conservation and environmental protection, reserves the natural texture and color of wood, has clear texture, simple production process and lower cost, and avoids the problems of serious pattern damage, difficult control of surface effect and the like when the rubber roller with the texture is directly contacted with the surface of the hard wood floor for a long time. Through post-treatment, the paint has better visual characteristics, higher paint adhesion and other performances, and the texture effect and characteristics similar to those of the impregnated paper layer compacted wood composite floor are formed on the surface, so that the product quality is improved. The physical and mechanical properties of the produced floor meet the requirements of various indexes.

Drawings

FIG. 1 is a schematic diagram of a micro-wiredrawing multilayer solid wood composite floor;

FIG. 2 is a schematic drawing of a portion of a micro-wire texture;

Wherein, each part name is respectively 1-surface layer, 2-eucalyptus layer (A), 3-core layer, 4-eucalyptus layer (B), 5-bottom layer and 6-UV paint solidification-micro wire drawing treatment layer.

Detailed Description

The present invention will be described in detail with reference to the following examples, so that those skilled in the art can better understand the present invention, but the present invention is not limited to the following examples.

Example 1

A micro-wiredrawing multilayer solid wood composite floor comprises a surface layer 1, a core layer 3 and a bottom layer 5, wherein a eucalyptus layer (A) is arranged between the surface layer 1 and the core layer 3, a eucalyptus layer (B) is arranged between the core layer 3 and the bottom layer 5, the layers are arranged in a criss-cross mode through textures, a glue layer is arranged between the layers, a UV paint curing-micro-wiredrawing treatment layer 6 is arranged on the surface layer 1, the UV paint curing-micro-wiredrawing treatment layer 6 is arranged on the surface of the UV paint curing layer, discontinuous micro-wiredrawing textures with the same depth are distributed along the length direction of the floor and are parallel to the surface layer, and the depth is 0.03-0.10mm.

Example 2

A micro-wiredrawing multilayer solid wood composite floor comprises a surface layer 1, a core layer 3 and a bottom layer 5, wherein a eucalyptus layer (A) is arranged between the surface layer 1 and the core layer 3, a eucalyptus layer (B) is arranged between the core layer 3 and the bottom layer 5, all layers are vertically and horizontally staggered in texture, a glue layer is arranged between the layers, a UV paint curing-micro-wiredrawing treatment layer 6 is arranged on the surface layer 1, the UV paint curing-micro-wiredrawing treatment layer 6 is formed by arranging discontinuous micro-wiredrawing lines with the same depth and 0.03-0.10mm along the length direction of the floor and parallel to the surface layer, the UV paint curing layer comprises a UV optimal color white base coat, a UV paint base coat, and UV coatings such as a transfer layer, a UV paint layer, an adhesive force mixing layer, an anti-cracking adhesion enhancing coating, a wear-resisting coating, a hardening coating, a top coat and the like are sequentially arranged on the UV paint base coat.

Example 3

A micro-wiredrawing multilayer solid wood composite floor comprises a surface layer 1, a core layer 3 and a bottom layer 5, wherein a eucalyptus layer (A) is arranged between the surface layer 1 and the core layer 3, a eucalyptus layer (B) is arranged between the core layer 3 and the bottom layer 5, all layers are vertically and horizontally staggered in texture, a glue layer is arranged between the layers, a UV paint curing-micro-wiredrawing treatment layer 6 is arranged above the surface layer 1, the UV paint curing-micro-wiredrawing treatment layer 6 is arranged on the surface of the UV paint curing layer and is parallel to the surface of the surface layer in the length direction, discontinuous micro-wiredrawing lines with the same depth are distributed, the depth is 0.03-0.10mm, the thickness of the UV paint curing layer is 0.15-0.25mm, the UV paint curing layer comprises a UV optimal white base layer, namely a UV gray white color paste curing layer, a UV paint base coating is sequentially arranged on the UV paint layer, a transfer printing layer, a UV paint layer, an adhesion base mixing layer, an anti-adhesion coating, a wear-resistant coating, a hard-added top coating, a coating and the like UV paint layer, and the UV paint layer is a UV ink curing layer with UV dye, and the thickness is 0.05-0.15mm.

Example 4

A micro-wiredrawing multilayer solid wood composite floor comprises a surface layer 1, a core layer 3 and a bottom layer 5, wherein a eucalyptus layer (A) is arranged between the surface layer 1 and the core layer 3, a eucalyptus layer (B) is arranged between the core layer 3 and the bottom layer 5, the layers are vertically and horizontally staggered in texture, a glue layer is arranged between the layers, the thicknesses of the surface layer 1 and the bottom layer 5 are 1.2+/-0.2 mm, beech, sycamore and the like, the thicknesses of the eucalyptus layer (A) and the eucalyptus layer (B) are 2.2+/-0.5 mm, a UV paint curing-micro-wiredrawing treatment layer 6 is arranged on the surface layer 1, the UV paint curing-micro-wiredrawing treatment layer 6 is arranged on the surface of the UV paint curing layer, is parallel to the surface of the floor in the length direction, discontinuous micro-wiredrawing lines with the same depth are distributed, the depth is 0.03-0.10mm, the thickness of the UV paint curing layer is 0.15-0.25mm, namely a UV optimal white color paste curing layer is provided with a UV paint, and a top coat, a dye layer, a wear-resistant layer, a UV anti-crack layer and a top coat layer are sequentially arranged on the UV paint layer, a top coat layer is provided with a dye layer, a top coat layer, a wear-resistant layer, a top coat layer and a UV anti-adhesive layer, and a UV layer.

Example 5

The micro-wiredrawing multilayer solid wood composite floor comprises a surface layer 1, a core layer 3 and a bottom layer 5, wherein a eucalyptus layer (A) is arranged between the surface layer 1 and the core layer 3, a eucalyptus layer (B) is arranged between the core layer 3 and the bottom layer 5, all layers are crisscrossed in a grain manner, and a glue layer is arranged between the layers; the thickness of the surface layer 1 and the bottom layer 5 is 1.2+/-0.2 mm, the thickness of the eucalyptus layer (A) and the eucalyptus layer (B) is 2.2+/-0.5 mm, a UV paint curing-micro wire drawing treatment layer 6 is arranged on the surface layer 1, the UV paint curing-micro wire drawing treatment layer 6 is a UV paint curing layer with UV coloring dye, discontinuous micro wire drawing patterns with consistent depth are distributed on the surface of the UV paint curing layer along the length direction of the floor and parallel to the surface of the floor, the depth of the UV paint curing layer is 0.03-0.10mm, the thickness of the UV paint curing layer is 0.15-0.25mm, the UV paint curing layer comprises a UV optimal white base layer, namely a UV paint base curing layer, a transfer printing layer, a UV paint layer, an adhesive base mixed layer, an anti-cracking adhesion base coating, a wear-resistant coating, a hard coating, a top coating and the like are sequentially arranged on the UV paint base layer, the transfer printing layer is a UV ink curing layer with UV coloring dye, the thickness of 0.05-0.15mm, the thickness of the floor is 18mm, and the thickness of the composite floor is 18mm.

Example 6

The indirect UV ink transfer printing process comprises the steps of enabling UV ink with dye to be colored, namely paint ultraviolet curing UV paint, to flow onto the surface of a steel plate-making roller with grains, wherein the carving depth of the steel plate-making roller is 200-300 mu m, the formed grain patterns are not limited;

Example 7

The UV color-optimizing white background process, also called water-based color-optimizing coloring process, is characterized in that a layer of UV color-optimizing Grice white paste is coated on the floor surface, wherein 1-5% of hardener is added to enhance the adhesiveness, the process is divided into two coating processes, the first coating process has the coating weight of about 5-10g/m ², and the second coating process has the coating weight of 10-30g/m ²;

The indirect UV ink transfer printing process comprises the steps of enabling UV ink with dye to be colored, namely paint ultraviolet curing UV paint, to flow onto the surface of a steel plate-making roller with grains, wherein the carving depth of the steel plate-making roller is 200-300 mu m, the formed grain patterns comprise any patterns such as oak grain, wood rays, cloth grains and patterns;

The micro-wire drawing treatment procedure comprises the steps of rolling the floor surface with the UV paint solidified layer by a steel roller with grains to form discontinuous wire drawing grains parallel to the length direction of the floor along the length direction of the floor, wherein the wire drawing depth is 0.03-0.10mm, and the wire drawing is discontinuous and consistent in depth;

and the forming process is to carry out locking tongue-and-groove treatment on the floor after the micro-wire drawing treatment.

Example 8

The hot pressing and curing process comprises the hot pressing and curing process, wherein the unit pressure is 0.8-0.9 MPa, the time is generally 100-300s according to the thickness of the skin, the hot pressing and curing process comprises the steps of carrying out hot pressing on the base material with the veneer after hot pressing for more than or equal to 3.5d at the temperature of 90-105 ℃ under the pressure of 10-18 MPa;

cutting Cheng Bantiao the balanced and health-preserving base material through a cutting device;

the molding procedure is to carry out locking tongue-and-groove treatment on the floor after the micro-wire drawing treatment;

The process of sealing the chamfer paint comprises the steps of spraying chamfer paint with the same color as the board surface at the chamfer positions around the floor to adapt to the board surface color, so that the chamfer paint is coordinated and unified, the coating weight is 5-10g/m ², the ultraviolet is dried after the coating, the drying tunnel adopts an infrared electronic heating mode, the temperature is 100-200 ℃, and the heating time is 10-60 s;

And in the wax sealing procedure, the coating weight is 20-30g/m ², the product is taken off line after quality QC detection is passed after wax sealing, and the product is packaged and put in storage.

Table 1 table of properties of micro-drawn multi-layer solid wood composite floor made in example 5 or example 8

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. A micro-wiredrawing multilayer solid wood composite floor comprises a surface layer (1), a core layer (3) and a bottom layer (5), wherein a eucalyptus layer (A) (2) is arranged between the surface layer (1) and the core layer (3), a eucalyptus layer (B) (4) is arranged between the core layer (3) and the bottom layer (5), all layers are arranged in a criss-cross mode through textures, and a glue layer is arranged between the layers, and the micro-wiredrawing composite floor is characterized in that a UV paint curing-micro-wiredrawing treatment layer (6) is arranged on the surface layer (1), is arranged on the surface of the UV paint curing layer, is parallel to the surface of the UV paint curing layer along the length direction of the floor, and is provided with discontinuous micro-wiredrawing textures with the same depth, and the depth is 0.03-0.10mm.

2. The micro-wiredrawing multilayer solid wood composite floor according to claim 1, wherein the thickness of the UV paint solidified layer is 0.15-0.25mm, the micro-wiredrawing multilayer solid wood composite floor comprises a UV color-optimized white base coat layer, a UV paint base coat layer is arranged on the UV paint solidified layer, and a transfer printing layer, a UV paint layer, an adhesive force base coat mixed layer, an anti-cracking adhesion-increasing coating layer, a wear-resisting coating layer, a hardening coating layer and a top coating layer are sequentially arranged on the UV paint base coat layer.

3. The micro-wiredrawing multilayer solid wood composite floor according to claim 1, wherein the UV optimal color white base coat is a UV Gris white paste curing layer, and the transfer printing layer is a UV ink curing layer with UV coloring dye, and the thickness is 0.05-0.15mm.

4. The micro-drawn multilayer solid wood composite floor according to claim 1, wherein the thickness of the surface layer (1) and the bottom layer (5) is 1.2+/-0.2 mm, which is beech, birch or sycamore, the thickness of the core layer (3) is 7+/-0.5 mm, which is pine, such as pinus sylvestris or pinus radiata, and the thickness of the eucalyptus layer (A) (2) and the eucalyptus layer (B) (4) is 2.2+/-0.5 mm.

5. The micro-wire-drawing multi-layer solid wood composite floor board according to claim 1, wherein the edges of the floor board are provided with lock catches, and the thickness of the floor board is 8-18 mm.

6. A process for producing the micro-drawn multi-layer solid wood composite floor according to any one of the claims 1 to 5, which is characterized by comprising the steps of preparing a base material, carrying out cold pressing and hot pressing, curing, cutting, carrying out UV (ultraviolet) color optimizing white primer, indirect UV ink transfer printing, primer, finishing paint, micro-drawing treatment, forming, chamfering paint sealing, wax sealing and packaging,

and in the micro-wire drawing treatment process, the steel roller with grains is rolled on the surface of the floor with the UV paint curing layer to form the grains along the length direction of the floor and discontinuous wire drawing grains parallel to the length direction of the floor.

7. The production process of the micro-wiredrawing multilayer solid wood composite floor board according to claim 6 is characterized in that in the indirect UV ink transfer printing process, the UV ink coloring primer is ultraviolet light curing UV paint, the engraving depth of the steel plate making roller is 200-300 mu m, the formed grain patterns are unlimited and comprise any patterns such as oak grain, wood ray, cloth grain and splice pattern, the transfer printing rubber roller is a polyurethane mirror rubber roller, the Shore hardness is 10-30, the surface of the transfer printing rubber roller is in contact with the steel plate making roller, the grain pattern on the surface of the steel plate making roller is transferred to the surface of the polyurethane mirror rubber roller, the mirror roller is fully contacted with the surface of the floor board, the height of the roller is adjusted, the floor board surface is extruded through the rubber roller, and the transferred grain pattern is transferred to the surface of the wood floor board.

8. The process for producing the micro-wiredrawing multi-layer solid wood composite floor according to claim 6, wherein the UV color-optimized white background process is also called an aqueous color-optimized coloring process, a layer of UV color-optimized Gris white paste is coated on the floor surface, 1-5% of hardener is added, the coating is divided into two layers, the first layer of coating weight is 5-10g/m ², and the second layer of coating weight is 10-30 g/m ².

9. The production process of the micro-wire-drawing multilayer solid wood composite floor board according to claim 6 is characterized in that the forming process is that the floor board subjected to micro-wire-drawing treatment is subjected to locking tongue-and-groove treatment, the chamfering sealing paint process is that chamfering paint with the same color as the board surface is sprayed at the chamfering positions around the floor board to adapt to the board surface color so as to be coordinated and unified, further, the coating amount is 5-10g/m ², ultraviolet drying is carried out after coating, an infrared electronic heating mode is adopted in a drying tunnel, the temperature is 100-200 ℃, and the heating time is 10-60 s.

10. The production process of the micro-wire-drawing multi-layer solid wood composite floor board according to claim 6, wherein the coating weight is 20-30g/m ² in the wax sealing process, the product is taken off line after quality QC detection after wax sealing, and the product is packaged and put in storage.