1. The film pressing door plate and the gold drawing manufacturing method are characterized in that the manufacturing method of the film pressing door plate comprises the following steps:

a1: milling a molding groove (2) on the front surface of the MDF wood base material (1), milling a gold-drawing part (3) in the molding groove (2), and polishing and grinding the surface of the MDF wood base material (1) after the surface milling process is finished by using No. 320 abrasive paper;

a2: spraying an aqueous one-component water-based adhesive on the surface of the MDF wood substrate (1) finished in the step A1, and ensuring that the aqueous one-component water-based adhesive covers the MDF wood substrate (1) and the molding groove (2) and the gold drawing part (3);

a3: putting the glued MDF wood substrate (1) finished in the step A2 into an infrared dryer for drying, so as to volatilize the moisture on the surface of the glued MDF wood substrate (1);

a4: and grinding and polishing the surface of the glued MDF wood base material (1) dried in the step A3 by using No. 1000 abrasive paper, grinding and flattening glue layer particles on the surface of the glued MDF wood base material (1) and pressing and bonding the glue layer particles with a PVC film.

2. The film pressing door plate and the gold drawing manufacturing method according to claim 1, wherein the shaping groove (2) is arranged in the center of the front face of the MDF wood base material (1), the shaping groove (2) is in a shape of Chinese character 'hui', the gold drawing part (3) is arranged on the inner wall surface of the shaping groove (2) and the side wall surface of the MDF wood base material (1), and the gold drawing part (3) is embedded in the side wall surface of the MDF wood base material (1) and the inner wall surface of the shaping groove (2) in an arc-shaped groove.

3. The film pressure door plank and the gold drawing manufacturing method according to claim 2, wherein in the step A2, the spraying amount of the water-based single-component water-based adhesive on the surface of the MDF wood substrate (1) is controlled within the range of 65-80 g/square meter, and the spraying amount of the water-based single-component water-based adhesive on the molding groove (2) and the gold drawing part (3) is controlled within the range of 90-120 g/square meter.

4. The film pressing door plate and the gold drawing manufacturing method according to claim 3, wherein in the step A3, the temperature in the infrared dryer is controlled at 40 ℃, the drying time is controlled at more than 30min, and the temperature of the gummed MDF wood substrate (1) is controlled at 18-35 ℃.

5. The film door platen and gilding method as claimed in claim 4, wherein the gilding method comprises the steps of:

b1: cleaning the surface of the gold drawing part (3) pressed with the PVC film by using alcohol, and after drying, polishing the surface of the gold drawing part by using 1000# abrasive paper until the surface is smooth;

b2: brushing a primer on the surface of the polished gold drawing part (3) to obtain a precious mixture, sealing, spraying NC (numerical control) adhesive primer on the surface of the precious mixture, and drying;

b3: polishing the dried gold drawing part (3) in the step B2 by using 1000# abrasive paper until the surface is smooth, and sticking pattern paper on the surface of the gold drawing part (3);

b4: spraying gold primer or silver primer on the surface of the textured paper, and drying and curing;

b5: and spraying clear finish on the surface of the gold drawing part (3), and drying to finish gold drawing.

6. The film pressing door plate and the gold drawing manufacturing method according to claim 5, wherein in the step B4, the gold primer or the silver primer is prepared from a gold powder main agent or a silver powder main agent and a matte clear finish according to the weight part ratio of (5-8) to 100.

7. The film pressing door plate and the gold drawing manufacturing method according to claim 6, wherein the clear finish in the step B5 is prepared according to the weight part ratio of a primer 1, a thinner 0.6-1.2 and a curing agent 0.4-0.8.

Background

The molded door plate is a low-carbon, environment-friendly, attractive, convenient, non-cracking and non-deforming door plate which is produced by adopting a medium density board (MDF) or a high density board (HDF) or a steel plate as a base material, adhering natural solid wood veneers such as northeast China ash, black walnut, rosewood, sapelli and the like, or a PVC or PP film on the surface, or not adhering any wood veneer and surface, and adopting a one-step molding technology or a two-step molding technology under a high-temperature and high-pressure hot environment through a high-tonnage vacuum molding press. The high-quality molded door plate is closely related to a molding machine, a production process, the quality of a plate, the quality of a skin, the quality of glue, the quality of staff and inspection standards. The mould pressing door plate can help wide and large wooden door factories to realize 'flow line production and ecological development', is a great trend of the wooden door industry all over the world, and has been selected and favored by more and more wooden door factories. Among them, the gold drawing process is widely used in the production process of the molded door panel as a process technology for decorating the molded door panel. Gold drawing is also called as mud gold painting, and is a traditional art and craft. The gold pattern drawing decoration method for the surface of lacquer ware in the war country usually uses black lacquer as the ground, and uses a small number of vermilion lacquer as the ground, and the gold drawing process is called as 'gold drawing silver lacquer decoration method'. The surface of the molded door plate is decorated by utilizing a gold drawing process, so that the effects of enhancing the appearance and the ornamental value and the aesthetic degree of the molded door plate can be achieved. Among the prior art, because the moulded door plant need post the wooden skin or spray paint carries out the special treatment after the preparation, can prevent the corrosion on door plant surface on the one hand, on the other hand can play the decorative effect, but because paint or post wooden skin needs certain operating skill to paint also needs certain curing time, reduces production efficiency.

In view of the above, it is desirable to design a film-pressed door sheet and a manufacturing method of gold tracing, which can ensure that no special treatment of paint is needed on the surface after the production of the pressed door sheet is completed, reduce the curing time of the paint, improve the production efficiency and the decoration effect of the pressed door sheet, and replace the traditional decoration method with the gold tracing process, thereby achieving the effects of low cost, wear resistance, durability and beautiful decoration.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide a film-pressing door plate and a manufacturing method of gold tracing, which can ensure that the surface of the pressed door plate does not need to be specially treated by paint after the pressed door plate is produced, reduce the paint curing time, improve the production efficiency and the decorative effect of the pressed door plate, and replace the traditional decorative method by the gold tracing process, thereby achieving the effects of low cost, wear resistance, durability and beautiful decoration.

In order to achieve the above object, the technical solution of the present invention is: a film pressing door plate and a gold drawing manufacturing method are provided, and the manufacturing method of the film pressing door plate comprises the following steps:

a1: milling a molding groove in the front surface of the MDF wood base material, milling a gold-drawing part in the molding groove, and polishing and grinding the surface of the MDF wood base material after the surface milling process is finished by using 320# abrasive paper;

a2: spraying an aqueous one-component water-based adhesive on the surface of the MDF wood substrate finished in the step A1, and ensuring that the aqueous one-component water-based adhesive covers the MDF wood substrate, the forming groove and the gold drawing part;

a3: putting the glued MDF wood base material finished in the step A2 into an infrared dryer for drying, so as to volatilize the moisture on the surface of the glued MDF wood base material;

a4: and grinding and polishing the surface of the glued MDF wood base material dried in the step A3 by using No. 1000 abrasive paper, grinding and flattening the glue layer particles on the surface of the glued MDF wood base material, and pressing and bonding the glue layer particles with a PVC film.

Further, the modeling groove is arranged in the center of the front face of the MDF wood base material, the modeling groove is in a shape of a Chinese character 'hui', the gold drawing part is arranged on the inner wall surface of the modeling groove and the side wall surface of the MDF wood base material, and the gold drawing part is embedded in the side wall surface of the MDF wood base material and the inner wall surface of the modeling groove in an arc-shaped groove.

Further, in the step A2, the spraying amount of the water-based single-component water-based adhesive on the surface of the MDF wood base material is controlled to be 65-80 g/square meter, and the spraying amount of the water-based single-component water-based adhesive on the molding groove and the gold drawing part is controlled to be 90-120 g/square meter.

Further, the temperature in the infrared dryer in the step A3 is controlled to be 40 ℃, the drying time is controlled to be more than 30min, and the temperature of the glued MDF wood base material is controlled to be 18-35 ℃.

Further, the gold drawing method comprises the following steps:

b1: cleaning the surface of the gold drawing part pressed with the PVC film by using alcohol, and after the surface is dried, polishing the surface to be smooth by using No. 1000 abrasive paper fine sand;

b2: coating a bottom on the surface of the polished gold drawing part to obtain a precious mixture, sealing, spraying NC (numerical control) adhesion primer on the surface of the precious mixture, and drying;

b3: polishing the dried gold drawing part in the step B2 by using 1000# abrasive paper fine sand until the surface is smooth, and sticking pattern paper on the surface of the gold drawing part;

b4: spraying gold primer or silver primer on the surface of the textured paper, and drying and curing;

b5: and spraying clear finish on the surface of the gold drawing part, and drying to finish gold drawing.

Further, the gold primer or the silver primer in the step B4 is prepared from a gold powder main agent or a silver powder main agent and a matte clear finish according to the weight part ratio of (5-8) to 100.

Further, the clear finish in the step B5 is prepared according to the weight part ratio of the primer 1, the thinner 0.6-1.2 and the curing agent 0.4-0.8.

Has the advantages that:

the film pressing door plate and the manufacturing method of the gold tracing provided by the invention can ensure that the surface of the pressed door plate does not need to be specially treated by paint after the production is finished, the curing time of the paint is reduced, the production efficiency and the decorative effect of the pressed door plate are improved, and the gold tracing process is adopted to replace the traditional decorative method, so that the effects of low cost, wear resistance, durability and attractive decoration are achieved.

Drawings

FIG. 1 is a front view of a membrane pressing plate and a manufacturing method of gold drawing according to the present invention;

FIG. 2 is a cross-sectional view of a membrane pressing plate and a method for manufacturing gold drawing according to the present invention;

the labels in the figure are: 1-MDF wood base material, 2-shaping groove, 3-gold drawing part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein are intended to be within the scope of the present invention.

As shown in the figure, the invention discloses a film pressing door plate and a gold drawing manufacturing method, wherein the manufacturing method of the film pressing door plate comprises the following steps:

a1: milling a molding groove 2 on the front surface of an MDF wood base material 1, milling a gold-drawing part 3 in the molding groove 2, and polishing and grinding the surface of the MDF wood base material 1 after finishing the surface milling process by using No. 320 abrasive paper;

a2: spraying a water-based one-component water-based adhesive on the surface of the MDF wood substrate 1 finished in the step A1, and ensuring that the water-based one-component water-based adhesive covers the MDF wood substrate 1, the forming groove 2 and the gold-drawing part 3;

a3: putting the glued MDF wood substrate 1 finished in the step A2 into an infrared dryer for drying, so as to volatilize the moisture on the surface of the glued MDF wood substrate 1;

a4: and grinding and polishing the surface of the glued MDF wood base material 1 which is dried in the step A3 by using No. 1000 abrasive paper, grinding and flattening the glue layer particles on the surface of the glued MDF wood base material 1, and pressing and bonding the glue layer particles with a PVC film.

In this embodiment, the shaping groove 2 is disposed in the center of the front surface of the MDF wood base material 1, the shaping groove 2 is in a shape of a Chinese character 'hui', the gold drawing portion 3 is disposed on the inner wall surface of the shaping groove 2 and the side wall surface of the MDF wood base material 1, and the gold drawing portion 3 is in an arc shape and is embedded in the side wall surface of the MDF wood base material 1 and the inner wall surface of the shaping groove 2.

In this embodiment, in the step a2, the spraying amount of the water-based single-component water-based adhesive on the surface of the MDF wood base material 1 is controlled to be 65 to 80 g/square meter, and the spraying amount of the water-based single-component water-based adhesive on the molding groove 2 and the gold drawing part 3 is controlled to be 90 to 120 g/square meter.

In this embodiment, in the step a3, the temperature in the infrared dryer is controlled to be 40 ℃, the drying time is controlled to be more than 30min, and the temperature of the glued MDF wood substrate 1 is controlled to be 18 ℃ to 35 ℃.

In this embodiment, the gold drawing method includes the following steps:

b1: cleaning the surface of the gold drawing part 3 pressed with the PVC film by using alcohol, and after drying, polishing the surface of the gold drawing part by using No. 1000 abrasive paper fine sand until the surface is smooth;

b2: brushing a primer on the surface of the gold drawing part 3 which is polished smoothly to obtain a precious mixture, sealing, spraying NC (numerical control) adhesion primer on the surface of the precious mixture, and drying;

b3: polishing the dried gold drawing part 3 in the step B2 by using 1000# abrasive paper until the surface is smooth, and sticking pattern paper on the surface of the gold drawing part 3;

b4: spraying gold primer or silver primer on the surface of the textured paper, and drying and curing;

b5: and spraying clear finish on the surface of the gold painting part 3, and drying to finish gold painting.

In this embodiment, the gold primer or the silver primer in step B4 is prepared from a gold powder main agent or a silver powder main agent and a matte clear finish paint in a weight portion ratio of 5-8: 100.

In this embodiment, the clear top coat in step B5 is prepared according to the weight parts ratio of the primer 1, the thinner 0.6-1.2, and the curing agent 0.4-0.8.

Example 1

And (3) pressing and bonding the MDF wood substrate 1 board coated with the glue in the A4 and the PVC film, wherein the temperature of an upper hot pressing board of a pressing machine is controlled at 125 ℃, the temperature of a silica gel board is controlled at 105 ℃, the pressing pressure is controlled at 3bar, the preheating time is controlled at 55-60s, the pressing time is controlled at 30-40s, the pressing period is controlled at 50-80s, the pre-blowing time is controlled at 8s, the cooling time is controlled at 20s, the vacuum time is controlled at 6s, the separation pressure is controlled at 2.4bar, and the hydraulic pressure is controlled at 178 bar. In the step A2, in the step of spraying the water-based single-component water-based adhesive on the surface of the MDF wood base material 1, the temperature of the MDF wood base material 1 and the indoor temperature is not lower than 18 ℃ and not higher than 35 ℃.

Example 2

In the gold tracing process, firstly, the surface of the MDF wood base material 1 which is subjected to the pressing and pasting treatment is cleaned by using clean cotton cloth, then, a gold tracing part 3 which needs gold tracing is cleaned by using scouring cloth or cotton cloth dipped in industrial alcohol, and after the cleaning is finished, the gold tracing part 3 is finely sanded by using No. 1000 abrasive paper so as to enhance the adhesive force.

After the gold tracing part 3 is polished, the primer is uniformly sprayed on the surface of the gold tracing part 3 for sealing treatment, and after the primer is dried, the primer is sprayed on the surface of the primer by utilizing NC adhesion for further sealing.

After the sealing is completed, the surface area of the MDF wood base material 1 subjected to the press-fitting treatment of the non-gold-drawn part 3 is covered with a wide paper tape by pasting a masking paper along the area of the gold-drawn part 3. The close, the damage-free and the rise-free war body of the masking paper are ensured, and the sticking of the wide paper adhesive tape ensures that the non-gold-drawing part 3 of the MDF wood substrate 1 is completely stuck, so that the cleanness of the non-gold-drawing area is protected.

Before spraying the gold priming paint, the gold painting part 3 stuck with the beautiful line paper is subjected to soot blowing treatment by a spray gun, so that the area of the gold painting part 3 is clean and has no particulate matter.

After the gold priming paint is sprayed, primary clear finish paint is sprayed on the gold painting part 3 at intervals of 5-10 minutes, and then the finished product after spraying is prevented from being dried in a drying room. And after drying, cleaning and trimming the surface of the finished product, and tearing off the wide paper adhesive tape. The edges that are not completely covered by the wide paper tape can be scraped flat with a blade.

And finally, soaking a cleaning agent by using cotton cloth, carrying out decontamination treatment on the finished product panel and the corners, and checking whether the width of the gold drawing part 3 is uniform, whether the lines are smooth and whether the phenomenon of layering exists.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.