CN116442342A - Green environment-friendly film pressed decorative solid wood composite floor for building and production process and equipment thereof - Google Patents

Abstract

The invention discloses a green and environment-friendly film-pressed veneer solid wood composite floor for buildings and a production process and equipment. The film-pressed veneer solid wood composite floor is formed by covering a base material and a decorative film; , pasting, health preservation, board cutting, secondary health preservation, grooving, roller chamfering, sealing wax packaging process, the production equipment includes the production line roller flow frequency equipment arranged in sequence along the production line direction, dust removal and adsorption machine 1, and constant temperature box 1 , Coating machine, Thermostat 2, Corona machine, Laminating machine, Cutting saw machine, Four-sided planing machine, Double-end milling machine, Chamfering roller coating machine, Wax sealing machine, Packaging machine, Film cutting machine, Beam sealing machine. The present invention optimizes the settings of the process, such as dust, wood chips, etc., under the condition that the product production quality and production efficiency have been improved, and can be effectively controlled to meet the environmental protection requirements of the factory. At the same time, the optimization of some process parameters such as temperature and time The setting can greatly reduce energy consumption under the premise of ensuring product quality.

Description

Green environmentally friendly film pressed wood composite floor for building and production process and equipment

Technical Field

The invention relates to the technical field of solid wood composite floor production, and in particular to a green and environmentally friendly building solid wood composite floor with a green environmentally friendly film pressed finish and a production process and equipment.

Background Art

In recent years, China's flooring sales have maintained a slight growth trend. According to incomplete statistics from the China Forest Products Industry Association, in 2021, the total sales of flooring products of Chinese companies of a certain scale were about 917 million square meters, of which the sales of stone crystal flooring were 425 million square meters, accounting for 46.3% of the total flooring sales; the sales of bamboo flooring were 413 million square meters, accounting for 45.0%. Wood flooring products cover a variety of categories, including solid wood flooring, laminate flooring, engineered wood flooring, bamboo flooring and cork flooring. Laminate flooring is still the largest sales variety, but its sales share continues to decline, accounting for 47.2% in 2021, engineered wood flooring accounts for 35.7%, solid wood flooring accounts for 9.4%, bamboo flooring accounts for 6.3%, and engineered wood flooring has increased from 29.9% in 2019 to 35.7% in 2021. With the continuous improvement of residents' living standards, high-end demands have begun to be released. Consumers' demands for the health, environment, appearance design and functional use of floors have continued to increase. Considering the market demand, the current solid wood composite flooring and solid wood flooring are unable to meet the personalized needs of consumers due to the scarcity of logs, the uneven quality of the board surfaces, the poor surface wear resistance, surface paint finish and environmental protection indicators.

The quality of the board surface varies greatly, as shown by the following: cracks, debonding, residual glue and paint, stains, bubbles, bulges, local film missing, corner defects, and tenon and mortise defects.

The surface wear resistance is not outstanding, which is manifested as: the surface wear resistance (g/100r) test result is poor, less than 1500r, the surface is easily damaged, and scratches and pits are easily left during the chair caster test, and delamination, seam separation and other damages will occur.

Poor surface paint effect is manifested as: poor paint film adhesion, there are many paint film peelings at the intersection of cuts, and a large amount of intermittent peeling of the paint film is allowed along the cuts.

The non-compliance with environmental protection indicators is manifested in the following aspects: the existing production process of composite solid wood flooring consumes a lot of electricity and energy. In the pressing process, cold pressing is performed first and then hot pressing. Electricity or natural gas is required to heat the heat transfer oil to 200-220 degrees to press the veneer and the substrate. The energy consumption of this process is about 2.5 degrees per square meter. The melamine-modified urea-formaldehyde resin adhesive used in this process is environmentally friendly but still contains a small amount of volatile aldehydes.

In view of this, how to solve the problems existing in the existing solid wood composite floor production technology, such as uneven board quality, poor surface wear resistance, poor surface paint effect, and lack of green environmental protection, has become the subject to be studied and solved by the present invention.

Summary of the invention

The purpose of the present invention is to provide a green environmentally friendly film pressed veneer solid wood composite floor for construction and a production process and equipment. To achieve the above purpose, the technical solution adopted in the first aspect of the present invention is: a production process of green environmentally friendly film pressed veneer solid wood composite floor for construction, the innovation of which is that the production process includes the following steps:

Process A: Raw material inspection, inspect the raw materials of base material, decorative film, and PUR hot melt adhesive, and select qualified raw materials;

Process B: Inspection of substrate sheets, selection of whole core substrates with moisture content between 8% and 12%, standard size, qualified appearance, and qualified formaldehyde content, and uniform sanding and thickness determination of the substrates;

Step C: Laminating, heating and melting the PUR hot melt adhesive, turning on the constant temperature box to keep the laminating station at a constant temperature,

After the substrate surface is coated with glue, it passes through the laminating machine to laminate the finishing film on the substrate surface. The process includes:

Step C1: 2 Heat the PUR hot melt adhesive to melt the PUR hot melt adhesive and ensure that the gluing temperature of the adhesive roller reaches the set temperature. The PUR hot melt adhesive temperature and the gluing temperature are 160°C to 180°C;

Step C2: Turn on the thermostat and set different constant temperatures according to different seasons; the constant temperatures include 45°C to 55°C in summer and 75°C to 85°C in winter;

Step C3: After the PUR hot melt adhesive and the constant temperature box have reached the set temperature, the production line flow frequency is turned on;

Step C4: placing the facing film to be applied on the work frame;

Step C5: Place the substrate face upward on the production line, and place the panels one by one along the side of the positioning piece tightly and seamlessly;

Step C6: The substrate passes through a dust removal adsorption machine through the production line to adsorb and clean foreign matter on the surface of the substrate;

Step C7: The substrate is passed through a constant temperature box through the production line, and the surface temperature of the substrate is detected to make the surface temperature of the substrate reach 25°C to 35°C;

Step C8: The substrate passes through a glue coating machine, and the PUR hot melt adhesive is evenly coated on the upper surface of the substrate to form a glue surface layer, and the coating amount of the glue surface layer is 70 to 100 g/㎡;

Step C9: The substrate is passed through the constant temperature box again to keep the temperature of the adhesive layer on the upper surface of the substrate constant, ensuring that the adhesive on the board surface is flat and uniform;

Step C10: before the finishing film passes through the laminating machine, the back side of the finishing film is subjected to high voltage corona grinding and then laminarized on the adhesive surface layer of the substrate;

Step C11: The laminated solid wood composite floor is sequentially pressed by gravity rollers to make the surface of the solid wood composite floor flat;

Step C12: stack the pressed solid wood composite flooring face to face in an orderly manner;

Step C13: neatly stack the stacked boards together and perform gravity pressing;

Process D: curing, leaving it in a natural environment for curing, the curing temperature should be 15℃～35℃, the humidity should be 50%～80%, and the curing time should be more than 48h to eliminate the internal stress of the solid wood composite flooring product;

Process E: Cutting the boards, trimming and cutting the cured solid wood composite flooring to make the size of the solid wood composite flooring meet the requirements, and then stacking and marking the boards neatly;

Process F: Second curing, curing in a natural environment, the curing temperature should be 15℃～35℃, the humidity should be 50%～80%, and the curing time should be more than 48h;

Process G: Slotting, slotting the solid wood composite floor after secondary curing, measuring and trial assembly confirmation during slotting, and stacking neatly and marking the products after slotting is completed;

Step H: Roll-coat the grooved engineered wood flooring product with water-based paint, adjust the color of the water-based paint, turn on the heating lamp slot, use the chamfering roller coating machine to roll-coat the chamfer of the engineered wood flooring product with water-based paint, and dry and solidify it;

Process I: wax sealing packaging, wax sealing the four sides of the solid wood composite flooring product, and use cartons and sealing films to package and seal the wax-sealed solid wood composite flooring products.

In order to achieve the above-mentioned object, the technical solution adopted in the second aspect of the present invention is: to provide a green environmentally friendly film pressed veneer solid wood composite floor for construction, wherein:

The film pressed veneer solid wood composite floor is produced by the production process of the green and environmentally friendly film pressed veneer solid wood composite floor for construction described in the first aspect of the present invention;

The film-pressed veneer solid wood composite floor comprises a substrate located below, an adhesive surface layer located above the substrate, and a veneer film attached to the adhesive surface layer;

The finishing film is composed of a material film layer, a printed wood grain layer, a wear-resistant layer, a UV paint layer, a surface antibacterial coating layer and a surface concave grain layer from bottom to top. The finishing film is formed by bonding the above layers at a temperature of 110°C to 130°C to form a polymer film with a thickness of 0.27mm to 0.3mm.

In order to achieve the above-mentioned purpose, the technical solution adopted in the third aspect of the present invention is: to provide a production equipment for green environmental protection film pressed veneer solid wood composite floor for construction, which is used for the production process of green environmental protection film pressed veneer solid wood composite floor for construction described in the first aspect of the present invention, wherein:

The solid wood composite floor production equipment includes production line roller flow frequency equipment, dust removal and adsorption machine one, constant temperature box one, glue coating machine, constant temperature box two, corona machine, laminating machine, cutting saw machine, four-sided planer machine, double-end milling machine, chamfering roller coating machine, wax sealing machine, packaging machine, film cutting machine, and bundle sealing machine, which are arranged in sequence along the production line direction.

The relevant contents of the present invention are explained as follows:

1. In the above technical scheme of the present invention, the film-pressed veneer solid wood composite floor prepared by the above production process includes a veneer film and a substrate. The veneer film is attached to the top surface of the substrate, and the veneer film and the substrate are bonded together by PUR hot melt adhesive to solve the appearance defects of the surface layer. In this production process, the raw materials used are all environmentally friendly products, and the preparation process and use process of the product will not cause harm to the environment and human body. PUR hot melt adhesive does not contain any organic solvents, no formaldehyde, and has a solid content of 100%, which is green and environmentally friendly. The veneer film can be degraded when recycled, and only releases water and carbon dioxide when burned, without producing any toxic gas. The veneer film has good formability and low price, and the PUR hot melt adhesive has a fast curing speed and high bonding strength, which can realize large-scale and continuous production with high production efficiency. The surface antibacterial coating layer formed on the floor surface inhibits the reproduction of surface bacteria, and the antibacterial (Staphylococcus aureus, Escherichia coli) effect reaches 99.9%; the wear resistance is better than that of the painted solid wood composite floor and the painted solid wood floor, and the wear resistance revolution number ≥ 2500 rpm; at the same time, in each link of the production process, the process settings have been optimized while improving product production quality and production efficiency. Compared with the existing lacquered solid wood composite flooring or impregnated paper layer solid wood composite flooring, the flow of raw materials and semi-finished products between various processes is more reasonable, and the surface foreign matter on the surface of the substrate and the surface foreign matter on the solid wood composite flooring products, such as dust and sawdust, can be effectively controlled to meet the factory's environmental protection requirements. At the same time, the optimized settings of some process parameters such as temperature and time can greatly reduce energy consumption while ensuring product quality.

2. In the above technical solution, the facing film is a polymer film, which is composed of a material film layer, a printed wood grain layer, a wear-resistant layer, a UV paint layer, a surface antibacterial coating layer and a surface concave grain layer from bottom to top. The facing film is formed by laminating the above layers at a temperature of 110°C to 130°C to form a polymer film with a thickness of 0.27mm to 0.3mm; the PUR hot melt adhesive is a PUR hot melt adhesive. This polymer film is very green and environmentally friendly, degradable when recycled, and only releases water and carbon dioxide when burned, without producing any toxic gases. The material film layer is made of PVC or PP material, and its bonding with the PUR hot melt adhesive is more firm, and the finished solid wood composite floor product will not be delaminated.

3. In the above technical solution, in the process E of cutting the board, the process flow includes:

Step E1: Trim the excess finishing film around the cured solid wood composite floor;

Step E2: According to the product specifications and buckle requirements on the production instruction sheet, adjust the saw blade spacing of the multi-blade saw on the cutting saw machine so that the length and width of each single plate meet the requirements of the production instruction sheet;

Step E3: Test saw one piece of engineered wood flooring to confirm the size, then saw at least two pieces of engineered wood flooring to confirm the processing accuracy and appearance quality before mass production can begin;

Step E4: Replace the solid wood composite flooring, and place the large side of the mother groove of the solid wood composite flooring on the outermost side;

Step E5: Check whether the surface of the solid wood composite floor has any abnormal appearance, and if so, take it out and put it aside; at the same time, clean the residue on the surface of the solid wood composite floor;

Step E6: After the boards are neatly stacked, mark the large edge of the mother groove of the solid wood composite floor;

Step E7: Stack and label the products that need edge adjustment separately.

Through the implementation of each process of cutting in the above process E, it is ensured that the surface of the solid wood composite floor is flat, without pressure damage or depression, without peeling and delamination around the edges, without sawtooth damage on the front and back sides, and the size meets the requirements, providing good semi-finished product support for subsequent processes and improving production efficiency and production quality.

4. In the above technical solution, in the slotting process G, the process flow includes:

Step G1: Check whether the product to be slotted is consistent with the production instruction sheet according to the production instruction sheet; check whether the carton label and the inkjet printer product model are consistent with the production instruction;

Step G2: Adjust the width of the four-sided planer and double-end milling equipment according to the specifications of the instruction sheet. First try to slot two pieces and measure the dimensions to confirm that the height difference and the tightness of the slot are correct before mass production can be carried out; use a central bag dust removal device to absorb dust during slotting;

Step G3: Check the surface of each piece of solid wood composite flooring product, take out the solid wood composite flooring products with abnormal appearance and put them separately; at the same time, remove the residues at the end of the mother groove of the long side of the solid wood composite flooring;

Step G4: When stacking the boards, stack the engineered wood flooring products neatly in the same direction and clean the residues on the engineered wood flooring boards; at the same time, check the long side of the engineered wood flooring products to see if there is any delamination of the base material;

Step G5: Each pallet of products must be measured and tested for assembly confirmation during slotting;

Step G6: After stacking neatly, mark the products and check whether the tongue and groove of the solid wood composite flooring are split or delaminated.

By implementing the various processes of the above-mentioned process G grooving, the grooving operation of the solid wood composite flooring product is completed. The process is reasonable, so that the grooving process is controllable, avoiding the risks of cracking on both sides around the tongue and groove of the solid wood composite flooring product, scratches on the board surface, oil stains, and broken tenons, thereby improving product quality. In addition, during the grooving process, a central bag dust removal device is installed to effectively control dust emissions.

5. In the above technical solution, in the process H of roller chamfering, the process flow includes:

Step H1: Check whether the solid wood composite flooring product to be chamfered is consistent with the production instruction sheet according to the production instruction sheet;

Step H2: Check the standard color of the sample and adjust the color of the water-based paint according to the sample;

Step H3: Take the off-line plate of the product to be rolled, start the roller chamfering machine, adjust the angle of the roller coating wheel and the equipment speed, and pour the adjusted water-based paint into the oil tank;

Step H4: Turn on the heating device and check that the lamps are all started normally;

Step H5: Take the off-line plate of the product to be rolled for trial production, check whether the roller-coated water-based paint, color, and effect meet the process requirements, and mass production can only be carried out after confirmation;

Step H6: The board placing personnel place the boards in a stack and start batch roll chamfering;

Step H7: Regular inspection personnel check the quality of roller chamfering to see if it meets the process requirements, and take out the products that have not been rolled in place and stack them individually; take out the boards with crushing, scratches, damage, blistering, and abnormal delamination, and classify them;

Step H8: Stack the engineered wood flooring products neatly in the same direction to ensure that the board surface is clean and free of paint residue; at the same time, check the long side tenon edge of the product to see if there is any delamination of the base material;

Step H9: Stack neatly and safely, mold a layer after several layers, and mark the products after stacking.

Through the implementation of each process of H roller chamfering in the above process, the chamfer color of the membrane-pressed solid wood composite floor is consistent with the color of the surface layer, the adhesion is qualified, there is no roller leakage or paint accumulation in the chamfer, and the board surface, board back and groove are clean and free of paint pollution.

6. In the above technical solution, in step I wax sealing packaging, the process flow includes:

Step I1: setting the timed automatic heating temperature of the wax sealing machine, the film cutting machine and the bundle sealing machine, the heating temperature of the wax sealing machine is 110° C. to 130° C., the heating temperature of the film cutting machine is 100° C. to 110° C., and the heating temperature of the bundle sealing machine is 200° C. to 210° C.;

Step I2: Check and add enough wax in the storage box of the heated wax sealing machine, the wax ratio is: 25kg of water-based wax: 12kg of solid wax;

Step I3: Turn on the wax sealing machine, film cutting machine, and beam sealing machine, check each temperature control device, and check that the machines and equipment are working properly;

Step I4: According to the specifications of the product to be produced, adjust the wax sealing module and the wax sealing speed, and check the consistency of the corresponding cartons and labels;

Step I5: After the heating temperature of the wax sealing machine, film cutting machine and beam sealing machine reaches the set value, 10 boards are placed first, and the wax sealing around the boards is checked to be uniform before batch production can be carried out;

Step I6: After everything is normal, the formal batch production is started, and the solid wood composite flooring boards are placed face up into the automatic board feeding slot;

Step I7: Perform a full inspection on the product again, and separate the boards that do not meet the product requirements;

Step I8: Every N pieces of products form a package, N≥5. After passing through the sealing machine, the sealing film should be complete and beautiful, and then placed neatly on the pallet.

Through the implementation of each process of wax sealing in the above-mentioned step I, the wax is applied in place around the film-pressed veneer solid wood composite floor without any missing or accumulation, and there is no wax mark or wax accumulation on the front. The packaging is beautiful and the bundle is sealed without damage or defect.

7. In the above technical solution, in the gravity pressing step of step C13, any one of the following methods is selected:

Place the stacked solid wood composite flooring products into a cold press with the pressure set at 3MPa to 5MPa for more than 30 minutes to perform gravity pressing;

Alternatively, the stacked solid wood composite flooring products are placed on a board collection rack, and heavy objects are placed on the upper surface of the solid wood composite flooring at the top to perform gravity pressing.

By implementing the gravity pressing step, the surface of the membrane pressed solid wood composite floor becomes smoother, without bubbles or bulges.

8. In the above technical solution, in step C, the glossiness of the facing film is measured before the facing film to be applied is placed on the work frame, and the glossiness of the facing film is measured during the application to ensure that the glossiness is within the range of 5.5 to 6.5 degrees, so as to ensure that the surface visual quality of the finished film-pressed facing solid wood composite floor is more comfortable and relaxed, and improve the customer experience;

In step C10, a corona machine is used to perform high-voltage corona grinding on the back of the finishing film, and the high-voltage current is 18A to 22A, so that the finishing film and the adhesive surface layer on the substrate are more closely attached.

Due to the application of the above scheme, the present invention has the following advantages and effects compared with the prior art:

1. The film-pressed veneer solid wood composite floor prepared by the above production process includes a veneer film and a substrate. The veneer film is attached to the top surface of the substrate, and the veneer film and the substrate are bonded together by PUR hot melt adhesive to solve the appearance defects of the surface layer.

2. In this production process, the raw materials used are all environmentally friendly products, and the preparation and use of the products will not cause harm to the environment and human body.

3. PUR hot melt adhesive does not contain any organic solvents, no formaldehyde, has a solid content of 100%, and is green and environmentally friendly; the decorative film can be degraded when recycled, and only releases water and carbon dioxide when burned, without producing any toxic gases.

4. The finishing film has good formability and low price. The PUR hot melt adhesive has a fast curing speed and high bonding strength. It is resistant to high and low temperatures and is suitable for harsh geothermal and low-temperature environments. It can be mass-produced and continuously produced with high production efficiency. The antibacterial coating layer formed on the surface of the floor inhibits the reproduction of surface bacteria, and the antibacterial (Staphylococcus aureus, Escherichia coli) effect reaches 99.9%.

5. The wear resistance is better than that of painted solid wood composite flooring and painted solid wood flooring, and the wear resistance revolution number is ≥2500 revolutions.

6. The green environmentally friendly film pressed solid wood composite floor for construction of the present invention does not require hot pressing. The energy consumption of this process is 0.5 degrees/square, saving 80% of energy consumption. PUR type glue is directly used for gluing, and there is no formaldehyde pressing, which is energy-saving and environmentally friendly.

7. At the same time, in each link of the production process, the process settings can be optimized while improving product production quality and production efficiency. Compared with the existing painted solid wood composite flooring or impregnated paper layer solid wood composite flooring, the flow of raw materials and semi-finished products between each process is more reasonable, and the surface foreign matter on the substrate surface and the surface foreign matter on the solid wood composite flooring products, such as dust and sawdust, can be effectively controlled to meet the factory's environmental protection requirements. At the same time, the optimization settings of some process parameters such as temperature and time can greatly reduce energy consumption while ensuring product quality.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a process flow of a production process of a green and environmentally friendly film-pressed solid wood composite floor for construction according to an embodiment of the present invention.

DETAILED DESCRIPTION

The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

Embodiment: The present invention will be clearly described below with diagrams and detailed descriptions. After understanding the embodiments of the present invention, any person skilled in the art can make changes and modifications based on the techniques taught by the present invention without departing from the spirit and scope of the present invention.

The terms used herein are only for describing specific embodiments and are not intended to be limiting of the present invention. Singular forms such as "a", "this", "here", "this" and "the" as used herein also include plural forms.

The terms “first”, “second”, etc. used in this document do not specifically refer to an order or sequence, nor are they used to limit the present case. They are only used to distinguish components or operations described with the same technical terms.

As used herein, “connected” or “positioned” may refer to two or more components or devices being in direct physical contact with each other, or being in indirect physical contact with each other, or may refer to two or more components or devices operating or moving with each other.

The terms “include,” “including,” “have,” etc. used in this document are open-ended terms, meaning including but not limited to.

The terms used in this document generally have the ordinary meaning of each term used in this field, in the context of the case and in the specific context unless otherwise noted. Certain terms used to describe the case will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the case.

The terms "front", "back", "up", "down", "left", "right", etc. used in this article are all directional terms. In this case, they are only used to illustrate the positional relationship between the various structures, and are not used to limit the protection plan of this case and the specific direction during actual implementation.

Embodiment 1

Referring to the process flow diagram shown in FIG1 , a production process of a green environmentally friendly film pressed veneer solid wood composite floor for construction proposed in Embodiment 1 of the present invention includes the following steps:

Process A: Raw material inspection, inspect the raw materials of base material, decorative film, and PUR hot melt adhesive, and select qualified raw materials;

Process B: Inspection of substrate sheets, selection of whole core substrates with moisture content between 8% and 12%, standard size, qualified appearance, and qualified formaldehyde content, and uniform sanding and thickness determination of the substrates;

Step C: Laminating, heating and melting the PUR hot melt adhesive, turning on the constant temperature box to keep the laminating station at a constant temperature,

After the substrate surface is coated with glue, it passes through the laminating machine to laminate the finishing film on the substrate surface. The process includes:

Step C1: 2 Heat the PUR hot melt adhesive to melt the PUR hot melt adhesive and ensure that the gluing temperature of the adhesive roller reaches the set temperature. The PUR hot melt adhesive temperature and the gluing temperature are 160°C to 180°C;

Step C2: Turn on the thermostat and set different constant temperatures according to different seasons; the constant temperatures include 45°C to 55°C in summer and 75°C to 85°C in winter;

Step C3: After the PUR hot melt adhesive and the constant temperature box have reached the set temperature, the production line flow frequency is turned on;

Step C4: placing the facing film to be applied on the work frame;

Step C5: Place the substrate face upward on the production line, and place the panels one by one along the side of the positioning piece tightly and seamlessly;

Step C6: The substrate passes through a dust removal adsorption machine through the production line to adsorb and clean foreign matter on the surface of the substrate;

Step C7: The substrate is passed through a constant temperature box through the production line, and the surface temperature of the substrate is detected to make the surface temperature of the substrate reach 25°C to 35°C;

Step C8: The substrate passes through a glue coating machine, and the PUR hot melt adhesive is evenly coated on the upper surface of the substrate to form a glue surface layer, and the coating amount of the glue surface layer is 70 to 100 g/㎡;

Step C9: The substrate is passed through the constant temperature box again to keep the temperature of the adhesive layer on the upper surface of the substrate constant, ensuring that the adhesive on the board surface is flat and uniform;

Step C10: before the finishing film passes through the laminating machine, the back side of the finishing film is subjected to high voltage corona grinding and then laminarized on the adhesive surface layer of the substrate;

Step C11: The laminated solid wood composite floor is sequentially pressed by gravity rollers to make the surface of the solid wood composite floor flat;

Step C12: stack the pressed solid wood composite flooring face to face in an orderly manner;

Step C13: neatly stack the stacked boards together and perform gravity pressing;

Process D: curing, leaving it in a natural environment for curing, the curing temperature should be 15℃～35℃, the humidity should be 50%～80%, and the curing time should be more than 48h to eliminate the internal stress of the solid wood composite flooring product;

Process E: Cutting the boards, trimming and cutting the cured solid wood composite flooring to make the size of the solid wood composite flooring meet the requirements, and then stacking and marking the boards neatly;

Process F: Second curing, curing in a natural environment, the curing temperature should be 15℃～35℃, the humidity should be 50%～80%, and the curing time should be more than 48h;

Process G: Slotting, slotting the solid wood composite floor after secondary curing, measuring and trial assembly confirmation during slotting, and stacking neatly and marking the products after slotting is completed;

Process H: Roller chamfering, roll the grooved solid wood composite floor product with water-based paint, adjust the color of the water-based paint, turn on the heating lamp slot, use the chamfering roller coating machine to roll the water-based paint on the chamfer of the solid wood composite floor product and dry and solidify it;

Process I: wax sealing packaging, wax sealing the four sides of the solid wood composite flooring product, and use cartons and sealing films to package and seal the wax-sealed solid wood composite flooring products.

In the first embodiment of the present invention, the facing film is a polymer film, and the facing film is composed of a material film layer, a printed wood grain layer, a wear-resistant layer, a UV paint layer, a surface antibacterial coating layer and a surface concave grain layer from bottom to top. The facing film is formed by laminating the above layers at a temperature of 110°C to 130°C to form a polymer film with a thickness of 0.27mm to 0.3mm; the PUR hot melt adhesive is a PUR hot melt adhesive, and the full name of PUR (Polyurethane Reactive) in Chinese is moisture-cured reactive polyurethane PUR hot melt adhesive. The main component is a terminal isocyanate polyurethane prepolymer, which is suitable for floor heating environment and low temperature environment. The cured product is basically no longer melted after reheating. This polymer film is very green and environmentally friendly, degradable when recycled, and only releases water and carbon dioxide when burned, without producing any toxic gases. The material film layer is made of PVC or PP material, and its bonding with the PUR hot melt adhesive is more firm, and the finished solid wood composite floor product will not be delaminated.

Through the implementation of the above-mentioned embodiments of the present invention, each link in the production process can optimize the process settings while improving product production quality and production efficiency. Compared with the existing painted solid wood composite flooring or impregnated paper layer solid wood composite flooring, the flow of raw materials and semi-finished products between the processes is more reasonable, and the surface foreign matter on the surface of the substrate and the surface foreign matter on the surface of the solid wood composite flooring product, such as dust and sawdust, can be effectively controlled to meet the environmental protection requirements of the factory. At the same time, the optimization settings of some process parameters such as temperature and time can greatly reduce energy consumption while ensuring product quality.

The various steps in the above-mentioned first embodiment of the present invention are described in detail below.

In the raw material inspection of process A and the substrate sheet inspection of process B, the instruments used for substrate sheet inspection are a wood moisture meter, a steel tape measure, and a micrometer.

The process requirements are:

Base material: Moisture content is required to be (8-12)%; the middle 7.5mm pine wood layer is a whole core base material, the length, width and thickness meet the standards, and there is no peeling on the appearance;

Decorative film: glossiness within (5.5-6.5) degrees, color and surface brushed effect are the same as the plate; film thickness 0.28-0.30mm.

PUR hot melt adhesive: check the production date and expiration date.

The process steps of substrate sheet inspection B include:

Step B1: Select the gear of the wood moisture meter (fixed gear 4 for solid wood composite flooring) to test the moisture content of the substrate board.

Step B2: Substrate inspection: Formaldehyde (dryer method) ≤ 0.5 mg/L; no peeling after immersion; moisture content meets standard requirements. Reference standard: LY/T 1738-2020.

Step B3: Measure the size of the substrate. Use a steel tape measure to measure the length and width, and use a micrometer to measure the thickness. The process requirements for substrates of relevant specifications and models can be found in Table 1.

Table 1

Step B4: Observe the surface quality. There should be no debonding or delamination on the board. The surface of the veneer layer should be flat, without obvious sanding marks or pits. The top layer of the technical wood should be in the same direction as the back layer.

The inspection process of the decorative film is as follows:

First check the appearance of the packaging protective film to see if it is damaged or broken;

Then observe whether the glossiness and surface color of the board are consistent with the initial sample. The visual effect should be consistent within 3 meters with the naked eye and no obvious glossiness difference.

In process C laminating, the equipment used includes dust removal adsorption machine, infrared lamp oven (constant temperature box), glue coating machine, corona machine, laminating machine, gravity roller, etc.

The process requirements are:

Infrared lamp oven temperature: Set the temperature of the infrared lamp constant temperature box according to the seasonal temperature difference. The temperature in summer is set to (50±5)℃, and the temperature in winter is set to (80±5)℃. Ensure that the board surface temperature is at (30±5)℃ to facilitate the subsequent bonding.

PUR hot melt adhesive temperature: The glue temperature is controlled at (170±10)℃;

Laminating speed: (14±1) m/min;

Corona machine: When you are ready to complete the lamination, open the corona machine safely. The high voltage current is about 20A. The corona makes the film and the adhesive fit more tightly.

The board surface requirements after lamination are as follows: the board surface is flat, without glue deficiency, bubbles, horizontal prints, garbage, dents, damage, scratches, etc.

The process flow of process C lamination includes:

Step C1: Put the PUR hot melt adhesive on the PUR hot melt machine, set the temperature to (170±10)℃, wait for 5-10 minutes after the temperature stabilizes, then start the motor, lower the sealing platen coated with high-temperature lubricating oil to melt the PUR hot melt adhesive (approximately 40-50 minutes), and ensure that the adhesive temperature on the rubber roller reaches (170±10)℃;

Step C2: Turn on two infrared light thermostats (thermostat 1 and thermostat 2) and set the heating temperature according to different seasons; set the temperature to (50±5)℃ in summer and (80±5)℃ in winter to ensure that the board surface temperature is at (30±5)℃ to facilitate subsequent bonding and improve adhesion.

Step C3: After the PUR glue temperature and the infrared lamp constant temperature box have reached the set temperature, the unit supervisor turns on the flow frequency speed and adjusts it to synchronization.

Step C4: Place the product film to be produced on the work rack; and put it into production after the temperature is consistent with the corresponding set value.

Step C5: With the substrate facing upward, place the boards one by one along the edge of the mountain tightly and seamlessly.

Step C6: After passing through the dust removal adsorption machine, check that there is no protruding or residual wood chips or other foreign matter on the surface.

Step C7: After passing through the infrared lamp constant temperature box, first check the surface temperature of the substrate, which is (30±5)°C.

Step C8: The substrate passes through the glue coating machine to check that the glue on the board surface is evenly distributed, with no glue leakage or glue accumulation. The glue coating amount is (70-100) g/m2.

Step C9: Pass through the constant temperature box again to keep the surface glue temperature constant, ensuring that the glue on the board surface is flat and uniform.

Step C10: When the product passes through the laminating machine, turn on the corona machine (high voltage current is about 20A), and the high voltage corona polishes the back of the film to make the film and the adhesive fit more tightly. At the same time, the substrate passes through the flow frequency, and slowly enters the laminating machine with the flow frequency speed to drive the film to complete the lamination.

Step C11: The laminated boards are sequentially fed into a gravity roller machine for gravity pressing to make the board surface smooth without bubbles or bulges.

Step C12: Arrange the laminated panels face to face, 50 panels per pallet, and indicate the product name, quantity, and production date on each pallet.

Step C13: Stack the stacked boards neatly according to the product name. The top board needs to be pressed by gravity and left to stand in a natural environment for more than 3 days before proceeding to the next process.

At the same time, when executing the various process flows of process C lamination, the following precautions should be noted:

Measure the brightness of each roll of film three times. Measure once before, after and during the replacement to ensure that the visual brightness meets the requirements. The glossiness is within (5.5-6.5) degrees. If it does not meet the requirements, stop the machine and report it;

Check the surface appearance of the pressed product at any time, and the specific appearance quality shall meet the requirements of Table 2.

Table 2

In process E, cutting boards, equipment used include cutting saws and the like.

The process requirements are: the board surface is flat, without dents or depressions, no peeling or delamination around the edges, no jagged damage on the front and back sides, and the size meets the requirements.

The process flow of process E cutting includes:

Step E1: Trim the excess film paper around the cured board.

Step E2: Adjust the multi-blade saw according to the product specifications and buckle requirements on the production instruction sheet. Adjust the backing, saw blade spacing, and the length and width of each single plate to meet the requirements of the production instruction sheet:

Length: finished product length + 12mm; Width: finished product width + 12mm; Edge straightness ≤ 1mm.

Step E3: Trial saw one piece to confirm, then saw three more pieces for the first inspection to confirm that the processing accuracy and appearance quality are correct before mass production can begin.

Step E4: The panel receiving personnel will swap the leftmost panel 180 degrees and place the outermost panel on the large side of the mother groove.

Step E5: Arrange personnel to check the board surface at the lampshade. If there are no abnormal appearances such as bubbling, indentation, film missing, etc., take them out and put them separately. At the same time, clean the residual garbage on the board surface to prevent the board surface from being crushed in the later stage.

Step E6: After the boards are neatly stacked, the edges of the mother grooves need to be marked to clearly indicate the product name, specifications, quantity, production date, etc.

Step E7: For special products that need edge adjustment, be sure to stack and label them separately, and inform the subsequent supervisor of the matter.

At the same time, when executing the various process flows of process E cutting, the following precautions must be noted: Every time the panel receiver changes a rack of panels, he must confirm whether the length, width, and straightness of the product are consistent with those during the initial inspection, and notify the unit supervisor to make corresponding adjustments if necessary.

In the grooving process G, the equipment used includes four-sided planing machines, double-end milling machines, etc.

The process requirements are:

The size meets the requirements, length ≤1mm, width ≤0.1mm; the tongue and groove are neat and straight, the vertical angle ≤0mm; the assembly height difference ≤0.1mm, no assembly gap; the chamfer slope is 35°, and the length is (0.5±0.1)mm;

Appearance quality: The two sides around the tongue and groove should not be cracked, and the board surface should not be scratched, dirty, or have broken tenons;

The projection of the lock buckle is consistent with the standard drawing. And the four-side lock buckles can be assembled with the standard sample and the finished product in the warehouse.

The process flow of slotting in process G includes:

Step G1: First take the production instruction sheet and check whether the product to be slotted is consistent with the instruction sheet. Check the consistency between the carton label and the inkjet printer product model and the production instruction. Think about whether there are any key abnormalities in the last slotting, and follow up on the relevant matters of the previous feedback and quality inspection feedback.

Step G2: Adjust the width of the four-sided planer and double-end milling equipment according to the specifications of the instruction sheet. First, try to slot two pieces to measure the size, height difference, and tightness of the slot. If they match the module and the warehouse goods correctly, batch production will be carried out later. When slotting, use a central bag dust removal device to absorb dust, which can effectively control dust emissions.

Step G3: The panel receiving personnel check the surface of each product, take out the products with abnormal appearance and place them separately, wait for statistics and confirmation by the supervisor, count the quantity and transfer them to the corresponding area; at the same time, manually remove the residual film scraps at the end of the long side mother groove.

Step G4: When transferring and stacking the boards, the board receivers must stack the products neatly in the same direction, and no garbage is allowed to remain on the boards. At the same time, check the long side of the product and the tenon edge to see if the base material has any delamination.

Step G5: During the slotting process, technicians must conduct measurements and trial assembly to confirm each pallet of products.

Step G6: Stacking height: 90; neat and safe, one layer is molded every 45 layers. After stacking, make product labels. At the same time, check the appearance of the tongue and groove to see if there is any splitting or delamination.

At the same time, when executing the various process flows of process G grooving, the following precautions should be noted:

Before operation, check the surrounding conditions of the machine, check whether the locking devices of each sliding part are locked, check whether the tool is locked and whether there is any damage, gently reverse each tool axis by hand to confirm that there is no collision, close the machine cover, and start the machine after checking everything is correct;

During operation or when the work needs to be stopped, the feed motor must be stopped first before pressing the stop button of each axis. The spindle motor must not be stopped during the feeding process;

Press the emergency stop button when the operation needs to be stopped in an emergency;

When the same type of problem occurs multiple times, it must be reported to the unit supervisor in a timely manner.

In the process H roll chamfering, the equipment used includes a chamfering roll coater, a constant temperature device, etc.

The process requirements are:

The chamfer color is consistent with the surface color; the adhesion is qualified and the tape will not fall off;

Appearance quality: chamfering without roller leakage or paint accumulation, the board surface, board back and groove are clean without paint pollution;

There is no impact damage around the notch;

Standard production staff: 5 people, including 1 person for placing boards, 2 people for regular inspection, and 2 people for collecting boards.

The process flow of H roll chamfering includes:

Step H1: Take the production order first and check whether the product to be chamfered is consistent with the order. Check the standard color of the sample.

Step H2: Color the water-based paint according to the sample.

Step H3: Take the off-line plate of the product to be rolled, start the roller chamfering machine, adjust the angle of the roller coating wheel and the equipment speed, and pour the adjusted water-based paint into the oil tank.

Step H4: Turn on the heating equipment and check that the lamps are all started normally.

Step H5: Take the off-line plate of the product to be rolled for trial production, check the roller-coated water-based paint, and check whether the color and effect meet the process requirements. Only after confirmation can mass production be carried out.

Step H6: When placing boards, the stacking should not be too high, not exceeding 15 boards or the limit line height, to prevent the heavy weight from damaging the board surface and the slot from pulling the tongue and groove.

Step H7: Regular inspection personnel check the quality of roller chamfering to see if it meets the process requirements. They will take out the boards that are not in place and stack them with the board receiving personnel. Boards with abnormalities such as crushing, scratching, damage, blistering, and delamination will be taken out. They will be processed by category. If the same problem occurs repeatedly, the technicians will be informed in time to make adjustments.

Step H8: The panel receiving and stacking personnel should stack the products neatly in the same direction without moving them back and forth to ensure that the panel surface is clean and free of paint residue. At the same time, check the long side tenon edge of the product to see if the base material has any delamination.

Step H9: Stacking height: 90 layers, neat and safe, one layer is molded every 45 layers. After stacking, make product labels.

At the same time, when executing the various process flows of process H roller chamfering, the following precautions should be noted: All products must be stacked in the same direction to facilitate subsequent processing and production.

In process I wax sealing packaging, the equipment used includes wax sealing machine, packaging machine, film cutting machine, bundle sealing machine, etc.

The process requirements are:

The wax is in place around the edges without any missing or accumulation; there is no wax mark or wax accumulation on the front;

The product name on the carton is consistent with the actual product. The product names on the labels at both ends are consistent and neat, and are all within the designated box;

The carton packaging is beautiful and the seal is not damaged or missing.

The process flow of wax sealing packaging in step I includes:

Step I1: Before leaving get off work every day, the technicians will set the heating devices of the wax sealing machine, film cutting machine, and bundle sealing machine for the production line to be produced tomorrow. The heating can be automatically set in the first half hour of work on the next day. The heating temperature of the wax sealing machine is (110-130)℃; the heating temperature of the film cutting machine is (100-110)℃; the heating temperature of the bundle sealing machine is (200-210)℃.

Step I2: Check and add enough wax in the heating storage box. The wax ratio is: 25kg of water-based wax: 12kg of solid wax.

Step I3: Turn on the automatic wax sealing equipment and automatic packaging line equipment, check the temperature control equipment, and check that the machines and equipment are working properly.

Step I4: According to the specifications of the product to be produced, adjust the wax sealing module and the wax sealing speed, and check the consistency of the corresponding cartons and labels.

Step I5: When the temperature reaches the target, place 10 boards first and check that the wax is evenly sealed around the boards before mass production.

Step I6: After everything is normal, the formal batch production is started, and the board is placed face up into the automatic board feeding slot;

Step I7: Two regular inspectors shall conduct a full inspection of the product again, and the boards that do not meet the product requirements shall be sorted out and placed separately. There shall be no bubbling, horizontal printing, garbage, dents, damage, scratches, tongue and tenon defects, delamination, paint pollution, chamfering, paint leakage, whitening, etc.

Step I8: Every 10 pieces of products are packed into one package. After passing through the sealing machine, the sealing film should be complete and beautiful, and each pallet should be 11 layers high.

At the same time, when executing the various process flows of wax sealing and packaging in step I, the following precautions should be noted: During normal production, cold wax cannot be added during normal production to prevent the wax from being used without being completely dissolved, causing after-sales risks. Wax can be added during the lunch break.

Embodiment 2

The second embodiment of the present invention provides a green environmentally friendly film pressed veneer solid wood composite floor for construction, wherein:

The film pressed veneer solid wood composite floor is produced by the production process of the green and environmentally friendly film pressed veneer solid wood composite floor for construction described in the first embodiment of the present invention;

The film-pressed veneer solid wood composite floor comprises a substrate located below, an adhesive surface layer located above the substrate, and a veneer film attached to the adhesive surface layer;

The finishing film is composed of a material film layer, a printed wood grain layer, a wear-resistant layer, a UV paint layer, a surface antibacterial coating layer and a surface concave grain layer from bottom to top. The finishing film is formed by bonding the above layers at a temperature of 110°C to 130°C to form a polymer film with a thickness of 0.27mm to 0.3mm.

Embodiment 3

The third embodiment of the present invention provides a green environmentally friendly film pressed veneer solid wood composite floor production equipment for construction, which is used for the production process of the green environmentally friendly film pressed veneer solid wood composite floor for construction described in the first embodiment of the present invention, wherein:

The solid wood composite floor production equipment includes production line roller flow frequency equipment, dust removal and adsorption machine one, constant temperature box one, glue coating machine, constant temperature box two, corona machine, laminating machine, cutting saw machine, four-sided planer machine, double-end milling machine, chamfering roller coating machine, wax sealing machine, packaging machine, film cutting machine, and bundle sealing machine, which are arranged in sequence along the production line direction.

In addition, in the process of implementing the various embodiments of the present invention, the applicant conducted various index tests on the membrane-pressed solid wood composite flooring produced by the production process of the present invention, conventional solid wood composite flooring, and impregnated paper laminated solid wood composite flooring, wherein the index requirements, test results, etc. are detailed in the contents shown in Table 3. The "----" appearing in each item in Table 3 indicates that this item is not required in this standard and there is no such item.

Table 3

In addition, random inspections were conducted on different batches of membrane-pressed veneer solid wood composite flooring produced by the production process of the present invention. The inspection results are shown in Table 4.

Table 4

From the results shown in Tables 3 and 4 above, it can be seen that the membrane-pressed veneer solid wood composite flooring produced by the production process of the present invention has a surface wear resistance that is significantly better than similar products (conventional solid wood composite flooring, impregnated paper laminated solid wood composite flooring), and also has impact resistance, residual dent resistance, peeling resistance and other items. It has a low formaldehyde content and meets environmental protection requirements, making the product more durable and environmentally friendly.

Therefore, through the implementation of the above embodiments, the technical solution of the present invention solves the problems existing in the existing solid wood composite floor production technology, such as uneven board surface quality, poor surface wear resistance, poor surface paint effect, and lack of green environmental protection, and has the following advantages:

1. The surface of the veneer floor prepared by the above preparation method is a polymer film, which includes: a substrate layer and a polymer film decorative layer; the polymer film decorative layer is coated on the top surface of the substrate layer, and the polymer film decorative layer and the substrate layer are bonded together by PUR hot melt adhesive to solve the appearance defects of the surface layer.

2. All raw materials used are environmentally friendly products. The preparation and use of the products will not cause harm to the environment and human body. PUR hot melt adhesive does not contain any organic solvents, no formaldehyde, 100% solid content, green and environmentally friendly; polymer film can be degraded when recycled, and only releases water and carbon dioxide when burned, without producing any toxic gas.

3. The polymer film has good formability and low price. The PUR hot melt adhesive has a fast curing speed and high bonding strength, which can realize large-scale and continuous production with high production efficiency.

4. An antibacterial technology coating (0.27-0.3mm) is formed on the surface of the floor, which inhibits the growth of surface bacteria, and the antibacterial (Staphylococcus aureus, Escherichia coli) effect reaches 99.9%.

5. The wear resistance is better than that of painted solid wood composite flooring and painted solid wood flooring, and the wear resistance revolution number is ≥2500 revolutions.

The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The production process of the green environment-friendly film laminated veneer lumber composite floor for the building is characterized by comprising the following steps of:

step A: raw material inspection, namely inspecting raw materials of a base material, a decorative film and a PUR hot melt adhesive, and selecting qualified raw materials;

and (B) working procedure: selecting a whole core substrate with 8-12% of water content, standard size, qualified appearance and qualified formaldehyde content for sheet inspection, and uniformly sanding and fixing the thickness of the substrate;

and (C) working procedure: and (3) coating, namely heating and melting the PUR hot melt adhesive, starting an incubator to keep the temperature of a coating station constant, coating the surface of the substrate with a coating machine, and coating the decorative film on the surface of the substrate, wherein the process flow comprises the following steps:

step C1:2, heating the PUR hot melt adhesive to dissolve the PUR hot melt adhesive and ensure that the adhesive coating temperature of the adhesive roller reaches a set temperature, wherein the PUR hot melt adhesive temperature and the adhesive coating temperature are 160-180 ℃;

step C2: opening the constant temperature box, and setting different constant temperature according to different seasons; the constant temperature comprises 45-55 ℃ in summer and 75-85 ℃ in winter;

step C3: after the PUR hot melt adhesive and the constant temperature box reach the set temperature, starting the flow frequency of the production line;

step C4: the decorating film to be pasted is arranged on the working frame;

Step C5: the substrate faces upwards, the substrate is placed on a production line for flowing frequency, and the substrates are placed in sequence along the side edges of the positioning pieces in a tight and seamless manner;

step C6: the substrate passes through a dust removing and adsorbing machine through a production line in a flow frequency manner to adsorb and clean foreign matters on the surface of the substrate;

step C7: the substrate flows through an incubator through a production line in a frequency-controlled manner, and the surface temperature of the substrate is detected to enable the surface temperature of the substrate to reach 25-35 ℃;

step C8: the substrate is passed through a gumming machine, PUR hot melt adhesive is uniformly coated on the upper surface of the substrate to form a adhesive surface layer, and the coating amount of the adhesive surface layer is 70-100 g/square meter;

step C9: the substrate passes through the constant temperature box again, so that the temperature of the adhesive surface layer on the upper surface of the substrate is constant, and the surface colloid is ensured to be flat and uniform;

step C10: before the decorative film passes through the coating machine, the back surface of the decorative film is polished by high-pressure corona and then coated on the adhesive surface layer of the base material;

step C11: sequentially carrying out gravity lamination on the bonded solid wood composite floor by a gravity roller to enable the surface of the solid wood composite floor to be flat;

step C12: stacking the pressed solid wood composite floor surface against the surface in order;

step C13: orderly stacking the stacked plates together, and carrying out gravity lamination;

and step D: keeping the solid wood composite floor for more than 48 hours at 15-35 ℃ and 50-80% humidity in natural environment to eliminate internal stress of the solid wood composite floor;

Step E: trimming and cutting the well-maintained solid wood composite floor to enable the dimension of the solid wood composite floor to meet the requirements, and then stacking and marking the boards;

and (F) working procedure: secondary health preserving, namely standing and health preserving in a natural environment, wherein the health preserving temperature is 15-35 ℃, the humidity is 50-80%, and the health preserving time is more than 48 hours;

step G: slotting, namely slotting the solid wood composite floor subjected to secondary curing, measuring and trial assembly confirming during slotting, stacking the solid wood composite floor in order after slotting is completed, and marking products;

and (2) a step H of: roller chamfering, namely performing roller coating chamfering water paint on the grooved solid wood composite floor product, after the color of the water paint is adjusted, opening a heating lamp groove, and performing roller coating water paint on the chamfer of the solid wood composite floor product by using a chamfering roller coater, and drying and solidifying;

step I: and (3) wax sealing and packaging, namely wax sealing the periphery of the solid wood composite floor product, and packaging and bundling the solid wood composite floor product with the wax sealed by using a paper box and a bundling sealing film.

2. The process for producing the green environment-friendly film laminated veneer lumber composite floor for construction according to claim 1, which is characterized in that: the facing film is a polymer film and sequentially comprises a material film layer, a printing wood grain layer, a wear-resisting layer, a UV paint layer, a surface antibacterial paint layer and a surface concave grain layer from bottom to top, wherein the facing film is formed by laminating the layers at 110-130 ℃ to form the polymer film with the thickness of 0.27-0.3 mm.

3. The process for producing the green environment-friendly film laminated veneer lumber composite floor for construction according to claim 1, which is characterized in that: in the step E, the plate cutting process comprises the following steps:

step E1: trimming the surplus facing film on the periphery of the solid wood composite floor after the health maintenance;

step E2: according to the product specification and buckling requirements on the production instruction sheet, the saw blade spacing of the multi-blade saw on the saw cutting machine is adjusted, so that the length and the width of each single-blade plate meet the production instruction sheet requirements;

step E3: the size of 1 solid wood composite floor is confirmed by trial sawing, and the machining precision and the appearance quality of the composite floor are confirmed by sawing at least 2 Zhang Shimu, so that the composite floor can be produced in batch;

step E4: exchanging the solid wood composite floor, and placing the large edge of the mother groove of the solid wood composite floor at the outermost side;

step E5: checking whether the surface of the solid wood composite floor has abnormal appearance and other conditions, and taking out the solid wood composite floor if the surface of the solid wood composite floor is judged to be the abnormal appearance; simultaneously cleaning residues on the surface of the solid wood composite floor;

step E6: marking the large edge of the mother groove of the solid wood composite floor after the boards are orderly stacked;

step E7: and (5) separately stacking and marking the products needing edge adjustment.

4. The process for producing the green environment-friendly film laminated veneer lumber composite floor for construction according to claim 3, wherein the process comprises the following steps: in the grooving in the procedure G, the technological process comprises the following steps:

Step G1: checking whether the product to be grooved is consistent with the production instruction sheet according to the production instruction sheet; checking whether the product model of the carton sticking strip and the code spraying machine is consistent with the production instruction;

step G2: and adjusting the width of the four-side planing and double-end milling equipment according to the specification of the instruction sheet. Firstly testing two slotting sheets and measuring the size, and confirming that the height difference and the notch tightness index are correct, so that the slotting machine can be produced in batch; during slotting, a central cloth bag dust removing device is used for dust absorption;

step G3: checking the surface of each solid wood composite floor product, and taking out and placing the solid wood composite floor products with abnormal appearance; simultaneously removing residues at the mother groove end of the long side of the solid wood composite floor;

step G4: when the transfer boards are stacked, stacking the solid wood composite floor products in order in the same direction, and cleaning residues on the surfaces of the solid wood composite floors; checking the long-side tenon edge of the solid wood composite floor product and checking whether the base material has layering or not;

step G5: each product is measured and tested to be assembled and confirmed during slotting;

step G6: and (5) after the products are stacked in order, marking the products, and checking whether the appearance of the tongue-and-groove of the solid wood composite floor is split and layered.

5. The process for producing the green environment-friendly film laminated veneer lumber composite floor for construction according to claim 4, wherein the process comprises the following steps: in the process H roller chamfering, the process flow comprises the following steps:

Step H1: checking whether the solid wood composite floor product to be chamfered is consistent with the production instruction list according to the production instruction list;

step H2: calibrating standard colors of the templates, and carrying out water paint color matching according to the templates;

step H3: taking a product offline plate to be rolled, starting a roller chamfering machine, adjusting the angle and the equipment speed of a roller coating oil wheel, and pouring the adjusted water paint into an oil groove;

step H4: starting heating equipment, and checking that the lamp tubes are all started normally;

step H5: taking a product to be rolled off-line plate for test production, checking whether the roll coating water paint, the color and the effect meet the process requirements, and confirming that mass production can be realized after no error;

step H6: stacking the plates and chamfering the batch of rollers;

step H7: checking the chamfering quality of the roller, and taking out the product which is not rolled in place and stacking the product; carrying out classification treatment on abnormal plate surfaces such as crush injury, scratch, breakage, foaming and layering;

step H8: the solid wood composite floor products are orderly stacked in the same direction, so that the clean and tidy paint-free residues on the surfaces of the boards are ensured; meanwhile, checking the long-side tenon edge of the product, and checking whether the base material has layering or not;

step H9: the stacking is neat and safe, a plurality of layers are molded into one layer, and product identification is made after the stacking.

6. The process for producing the green environment-friendly film laminated veneer lumber composite floor for construction according to claim 5, wherein the process comprises the following steps: in the process I wax sealing package, the process flow comprises the following steps:

step I1: setting timed automatic heating temperatures of a wax sealing machine, a film cutting machine and a beam sealing machine, wherein the heating temperature of the wax sealing machine is 110-130 ℃, the heating temperature of the film cutting machine is 100-110 ℃, and the heating temperature of the beam sealing machine is 200-210 ℃;

step I2: checking and adding wax in a storage box of a heating wax sealing machine, and proportioning the wax proportions: 25kg of aqueous wax: 12kg of solid wax;

step I3: starting a wax sealing machine, a film cutting machine and a beam sealing machine, checking each temperature control device, and checking the normal operation of the machine devices;

step I4: according to the specifications of the products to be produced, the wax sealing module and the wax sealing speed are adjusted, and the consistency of the corresponding cartons and labels is checked;

step I5: after the heating temperatures of the wax sealing machine, the film cutting machine and the beam sealing machine reach set values, firstly placing 10 plates, checking the periphery of the plates after wax sealing, and uniformly sealing the wax and then producing in batch;

step I6: after the boards are normal, formally put into production in batches, and the boards of the solid wood composite floors are upwards placed into an automatic board feeding groove;

step I7: carrying out full inspection on the product again, and picking and placing the plates which do not meet the product requirements;

Step I8: every N pieces of products are packaged, N is more than or equal to 5, and after passing through the beam sealing machine, the beam sealing film is complete and beautiful, and the beam sealing film is placed in a carriage to be stacked in order.

7. The process for producing a green and environment-friendly film laminated veneer lumber composite floor for construction according to claim 1, wherein in the gravity lamination step of step C13, any one of the following modes is sampled:

placing the stacked solid wood composite floor products into a cold press, wherein the pressure of the cold press is set to be 3-5 MPa, and the time is more than 30 minutes, so as to perform gravity pressing;

or placing the stacked solid wood composite floor products on the plate collecting frame, and placing heavy objects on the upper surface of the uppermost solid wood composite floor to be stacked for gravity lamination.

8. The process for producing the green environment-friendly film laminated veneer lumber composite floor for construction according to claim 1, which is characterized in that:

in the process C, the glossiness of the decorative film to be pasted is measured before the upper position of the decorative film to be pasted reaches the working frame, and the glossiness of the decorative film is measured in the middle of pasting, so that the glossiness is ensured to be within the range of 5.5-6.5 degrees;

in step C10, a corona machine is used to high voltage corona polish the back side of the facing film, with a high voltage current of 18A-22A.

9. The utility model provides a green membrane veneer parquet for building, its characterized in that:

the film laminated veneer lumber composite floor is produced by adopting the green environment-friendly film laminated veneer lumber composite floor production process for building according to any one of claims 1 to 8;

the film laminated veneer lumber composite floor comprises a base material positioned below, a glue surface layer positioned above the base material and a veneer film covered and adhered above the glue surface layer;

the facing film is formed by laminating all the layers at 110-130 ℃ from bottom to top, and a high polymer film with the thickness of 0.27-0.3 mm is formed.

10. A production device of a green environmental protection film laminated veneer lumber composite floor for construction, which is used for producing the green environmental protection film laminated veneer lumber composite floor for construction according to any one of claims 1 to 8, and is characterized in that:

the production equipment of the solid wood composite floor comprises production line roller frequency flowing equipment, a dust removing and adsorbing machine I, an incubator I, a glue spreader, an incubator II, a corona machine, a laminating machine, a sawing machine, a four-side planing machine, a double-end milling machine, a chamfering roller coater, a wax sealing machine, a packaging machine, a film cutting machine and a beam sealing machine which are sequentially arranged along the direction of the production line.