KR102277915B1 - Presentation method for a surface of artificial marble - Google Patents

Abstract

The present invention relates to a presentation method for surface of artificial marble, comprising the steps of: kneading an artificial marble raw material and extracting the same into a dough state, and then supplying the same to a square plate-shaped flask; printing a pattern on a surface through a printing device disposed on the flask; coating the artificial marble raw material to a thickness of 0.1 to 0.3 mm on the surface of the artificial marble; curing the coated artificial marble through a drying furnace to prepare an artificial marble plate of a certain thickness; cutting the manufactured artificial marble plate to a predetermined length; and grinding the surface of the cut artificial marble to remove the coated part. The present invention does not require a pre-treatment process in which crushing chips are mixed to realize colors and patterns, and after printing various patterns on raw materials of pure artificial marble, by protecting and implementing the pattern through coating and polishing processes, it is possible to selectively use various patterns according to need. In addition, it is a very useful invention improving the working efficiency of artificial marble by reducing the manufacturing cost and shortening the manufacturing time by omitting the pre-treatment process.

Description

The surface presentation method of artificial marble {Presentation method for a surface of artificial marble}

The present invention relates to a surface rendering method of artificial marble, and more particularly, it does not require a pretreatment process in which mixing of crushed chips to realize colors and patterns is required, and various patterns are printed on the raw material of pure artificial marble, followed by coating By protecting and implementing the pattern through the and polishing process, it is possible to selectively use various patterns as needed, and to improve the working efficiency of artificial marble by reducing the manufacturing cost and shortening the manufacturing time by omitting the pre-treatment process. It relates to a method of rendering the surface of artificial marble.

Recently, artificial marble is used to manufacture bathtubs, washbasins, or sink tops. Such artificial marble not only can implement various textures, but also has the advantage that it is easy to construct and has a low manufacturing cost, so it can be easily supplied to general consumers. It is under construction.

As such, artificial marble has the advantage of being able to express various colors, has high heat resistance, has a beautiful surface appearance, and has high abrasion resistance and impact strength. In addition, as it has excellent durability against detergents and chemicals, it is mainly used for molded products used at home such as washbasins, sinks, and bathtubs.

Such artificial marble is specifically presented in Patent Publication Nos. 10-2008-0001068 and 10-2010-0099836, and the above-mentioned prior application invention is made of quartz, feldspar, photolithography, pure alkali, zinc oxide, and sodium nitrate. It features artificial marble and artificial marble made of silicon dioxide, aluminum oxide, calcium oxide, and KNaO.

In addition, in the invention of the previous application, a method for manufacturing artificial marble, specifically, a powder-type composition consisting of the above composition is mixed, put into a mold, and dissolved at 1300-1500° C. for 3-6 hours, A method of manufacturing artificial marble through the drying process is presented in detail.

On the other hand, as another embodiment of the artificial marble manufacturing method, in the related art Patent Publication No. 10-2009-0085819 (Manufacturing method of artificial marble including chips), by mixing chips together in order to realize colors and patterns, more various patterns can be produced. In order to be able to produce products and produce various patterns, various chips are being developed.

In this conventional method, the chip is mixed with the compound and then cured through a molding process, but before the compound with the chip is injected into the mold, the chip sinks down due to the specific gravity of the chip in the storage space. . Therefore, the chip content of the product produced in the early stage and the product produced in the latter stage are different, resulting in the production of products with different chip uniformity and content. In addition, it is necessary to mix crushed chips and additionally mix pigments to realize color. There was a problem in that the work time was delayed due to the need for a pre-treatment process.

Also, in the prior art, there was a method of transferring a pattern to the surface of artificial marble through a thermoforming process after molding the product, but this method has a problem in that production efficiency is lowered as it takes a lot of manufacturing time.

The present invention is to solve the above problems, and it does not require a pretreatment process in which the mixing of crushed chips to realize colors and patterns is performed, and after printing various patterns on the raw material of pure artificial marble, coating and polishing processes are performed. The surface of artificial marble that protects and implements the above patterns enables selective use of various patterns as needed, and improves the working efficiency of artificial marble by reducing the manufacturing cost and shortening the manufacturing time by omitting the pre-treatment process. The purpose is to provide a directing method.

According to the present invention for achieving the above object, there is provided a method for producing a surface of artificial marble, comprising the steps of: kneading an artificial marble raw material and extracting it into a dough state, and then supplying it to a square plate-shaped flask; printing a pattern on the surface through a printing device disposed on the flask; coating the artificial marble raw material to a thickness of 0.1 to 0.3 mm on the surface of the artificial marble; curing the coated artificial marble through a drying furnace to prepare an artificial marble plate of a certain thickness; cutting the manufactured artificial marble plate to a predetermined length; It is characterized in that it is configured to include; grinding the surface of the cut artificial marble to remove the coated portion.

In addition, the printing apparatus is formed by a solvent printer, and the printing is characterized in that it is configured to be made of a liquid mineral solvent ink.

The present invention not only does not require a pretreatment process in which the mixing of crushed chips to implement colors and patterns is required, but also protects and implements the patterns through coating and polishing processes after printing various patterns on the raw material of pure artificial marble. It is a very useful invention that enables the selective use of various patterns by design, and improves the working efficiency of artificial marble by reducing the manufacturing cost and shortening the manufacturing time by omitting the pre-treatment process.

1 and 2 - Reference diagrams showing a conventional manufacturing method of artificial marble.
Figure 3 - Artificial marble manufactured by a conventional manufacturing method.
Figure 4 - A reference diagram showing the manufacturing process of the present invention.
Figure 5 - Artificial marble manufactured by the manufacturing method of the present invention.

The present invention for achieving the above object and effect will be described in more detail through preferred embodiments as follows.

The method for surface rendering of artificial marble according to the present invention comprises the steps of kneading an artificial marble raw material and extracting it into a dough state, and then supplying it to a square plate-shaped flask; printing a pattern on the surface through a printing device disposed on the flask; coating the artificial marble raw material to a thickness of 0.1 to 0.3 mm on the surface of the artificial marble; curing the coated artificial marble through a drying furnace to prepare an artificial marble plate of a certain thickness; cutting the manufactured artificial marble plate to a predetermined length; It is configured to include; grinding the surface of the cut artificial marble to remove the coated portion.

Before explaining the surface rendering method of the artificial marble according to the present invention, a conventional artificial marble manufacturing method will be described as follows.

As shown in [Fig. 1], the artificial marble raw material kneaded in a kneaded state is evenly sprayed through the discharge port 11 into the rectangular flask 10, and the flask 10 moves forward at a constant speed. will do A horizontal bar 12 is formed as shown in the drawing so that the raw material of the artificial marble sprayed on the flask 10 has a certain thickness, and is placed in the flask 10 through the horizontal bar 12 . The supplied artificial marble raw material has a certain thickness.

The flask 10, in which the raw material of the artificial marble is injected, is hardened through a drying furnace 40 and manufactured into an artificial marble plate having a certain thickness, which is produced by a cutter 50 as shown in [Fig. 2]. It is cut into artificial marble plates of a certain length.

As shown in [Fig. 3], the artificial marble manufactured in this way is mixed in addition to the process of kneading the crushed chips in a kneading state in order to realize colors and patterns, but this is not the case with the products produced in the early stage and the latter. In addition to the problem of producing products with different chip uniformity and content due to the different chip content of the produced product, the work time is delayed due to the need for a pretreatment process that requires mixing crushed chips and additionally mixing pigments to realize color There was a problem being

Accordingly, after numerous studies and efforts, the present applicant omits the pre-processing process in which the crushing chips are mixed as described above, and has come to develop a manufacturing method of artificial marble that can implement various patterns and colors according to the needs of the place of use or the operator. .

To this end, as shown in [Fig. 4], the applicant kneads pure artificial marble raw material and extracts it into a dough state, and then evenly supplies it to the square plate-shaped flask 10 through the outlet 11 ( S-1); After arranging the printing device 20 on the next line of the flask 10 that is transported at a constant speed, printing various patterns on the surface of the artificial marble through the printing device 20 (S-2) ; coating the artificial marble raw material to a thickness of 0.1 to 0.3 mm on the surface of the printed artificial marble (S-3); manufacturing an artificial marble plate of a certain thickness by curing the coated artificial marble through a drying furnace 40 (S-4); cutting the manufactured artificial marble plate to a predetermined length (S-5); A manufacturing method comprising; grinding the surface of the cut artificial marble to remove the coated portion (S-6) was developed.

In the step S-1, the composition of the artificial marble raw material corresponds to a known configuration, and thus a detailed description thereof will be omitted.

In step S-2, the printing device 20 is formed by a solvent printer, and the printing is made of liquid mineral solvent ink, wherein the printing device 20 is spaced apart from the upper part of the flask 10 by a predetermined interval. and the mineral solvent ink is used to print various patterns on the surface of the artificial marble through a solvent printer by various means such as transfer or spraying.

In addition, the above processes are sequentially transferred to the conveyor, and the surface of the artificial marble continuously discharged to the conveyor in step S-2 is continuously printed through a solvent printer.

In the case of a solvent ink layer formed by printing the solvent ink, the ink absorption layer may include 10 to 60 wt% of a resin; 0.5 to 4% by weight of inorganic filler; Solvent 10-80% by weight; It may be formed of a solvent ink containing 0.1 to 13% by weight of a crosslinking agent and 0.1 to 13% by weight of an additive.

The resin may be selected from polyester, polyester copolymer, acrylic, acrylic copolymer, PVC, PVC copolymer, urethane, urethane copolymer, PVB, and EVA, preferably selected from acrylic, urethane, and PVC One or more resins may be used.

As the solvent, at least one selected from water, methyl ethyl ketone, toluene, ethyl acetate, ethanol, methanol, isopropyl alcohol, butanol, and acetone may be used.

As the crosslinking agent, at least one selected from carbodiamide, melamine, isocyanate, and aziridine may be used.

As the additive, at least one selected from a surfactant, a leveling agent, an antifoaming agent, and a dispersing agent may be used, and variously known in the art may be used as the surfactant, the leveling agent, the antifoaming agent, and the dispersing agent. have.

A silicone compound and/or a fluorine compound may be used as the leveling agent, and a siloxane-based and/or silicone polyester-based defoaming agent may be used as the defoaming agent, and the dispersing agent includes a high molecular weight anionic surfactant, low molecular weight unsaturated carboxyl. At least one selected from acid, polysiloxane copolymer, and polyethylene glycol may be used.

The ink absorption layer may be formed by thickly coating the ink absorption layer coating solution for the solvent ink by a method selected from a comma, a roll coater, and a slot die. It may also be formed by a spray coating method.

In step S-3, the artificial marble raw material is coated on the surface of the printed artificial marble to a thickness of 0.1 to 0.3 mm, in order to maintain and protect the pattern shape in the curing process. In addition, for the coating, a separate coating device 30 may be configured in the same way as the printing device, and as in step S-1, the surface of the printed artificial marble is evenly coated with a thickness of 0.1 to 0.3 mm. It can also be coated with artificial marble raw materials.

In order to keep the surface of the coated artificial marble flat and even, as in step S-1, a horizontal bar 31 may be formed on the next line of the coating device 30, and the horizontal bar 31 is S- Compared to the horizontal bar 12 of the first stage, it is located at a higher position by the coated thickness.

In step S-4, the method of manufacturing an artificial marble plate of a certain thickness by curing it through the drying furnace 40 corresponds to a known process, and thus a description thereof will be omitted.

In the step S-5, the method of manufacturing an artificial marble plate of a certain length through the cutter 50 also corresponds to a known process, so a description thereof will be omitted.

In step S-6, the surface of the artificial marble plate cut to a predetermined length is polished through a polishing device 60. At this time, the polishing thickness is the same as the coated thickness, and the reason for this polishing process is This is to expose the various patterns and colors created on the surface of the artificial marble along with the luster.

On the other hand, as another embodiment of the surface rendering method of artificial marble according to the present invention, pure artificial marble raw materials are kneaded and extracted into a dough state, and then supplied to a fixed rectangular mold through an outlet, and then compressed with a press. forming (S-1); Printing various patterns on the surface of the artificial marble through a printing device on the surface of the molded artificial marble (S-2); coating the artificial marble raw material to a thickness of 0.1 to 0.3 mm on the surface of the printed artificial marble (S-3); manufacturing an artificial marble plate of a certain thickness by curing the coated artificial marble through a drying furnace 40 (S-4); and polishing the surface of the manufactured artificial marble to remove the coated portion (S-5).

In the above process, unlike the above manufacturing method in which continuous printing is performed on the surface in a state of being continuously discharged by a conveyor, artificial marble raw materials are supplied to a fixed mold, and after compression molding with a press, surface-fixed printing is performed through a printing device. will be done

As shown in [Fig. 5], the artificial marble manufactured by the above process is manufactured from artificial marble having various beautiful and unique patterns, unlike the conventional artificial marble that is uniform and uniform.

As described above, although the present invention has been described by way of limited embodiments, the present invention is not limited thereto, and the technical idea of the present invention and patents to be described below by those skilled in the art to which the present invention pertains Various modifications and variations are possible within the scope of equivalents of the claims.

* Explanation of the symbols for the main parts of the drawing *
10: flask 11: outlet
12: horizontal bar 20: printing device
30: coating device 31: horizontal bar
40: drying furnace 50: cutting device
60: polishing device

Claims (3)

After kneading the raw material of artificial marble and extracting it into a dough state, supplying it to a square plate-shaped flask that moves forward at a constant speed; printing a pattern on the surface through a printing device disposed on the flask; coating the artificial marble raw material to a thickness of 0.1 to 0.3 mm on the surface of the artificial marble; curing the coated artificial marble through a drying furnace to prepare an artificial marble plate of a certain thickness; cutting the manufactured artificial marble plate to a predetermined length; Including; grinding the surface of the cut artificial marble to remove the coated portion;
The surface rendering method of artificial marble, characterized in that the printing device is formed by a solvent printer, and the printing is made of a liquid mineral solvent ink. delete delete

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