JPH06305857A - Production of artificial stone - Google Patents

Abstract

PURPOSE:To produce artificial stones which are very resembling to natural ones, as if not artificially manufactured. CONSTITUTION:Fine ground stone particles are finely abraded by a ball mill and a square shape of the particles is made smooth. One kind of the particles or several kinds of the particles 5 having different particle diameters are mixed with cement 2, poured into a mold 4, hardened and demolded and the surface is abraded to give a ground stone pattern. Grand stone particles 5 having different particle sizes are blended, poured into a mold, dropped to the surface of cement which is poured to a mold, demolded after hardening of the cement and the surface of the hardened material is abraded to give a crushed-stone pattern.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing an artificial stone in which crushed particles of natural stone and cement are kneaded and hardened, and then the surface is polished to obtain a crushed stone pattern. .

[0002]

2. Description of the Related Art A conventional manufacturing method of artificial stone is shown in FIG. First, natural stone is finely crushed, and the crushed crushed stone particles are sorted into a predetermined size by a sorter. Next, the crushed stone particles 1 after being sorted are cemented to the cement 2
Is kneaded, and the kneaded material 3 is poured into the mold 4 to cure it. Then, after demolding, the surface is polished,
I try to obtain artificial stone with a crushed stone pattern.

[0003]

However, in the above-mentioned conventional method for manufacturing an artificial stone, the crushed stone particles 1 which have been finely crushed are used, and the shape thereof is angular. Therefore, if the surface pattern of the obtained artificial stone is carefully observed, it can be recognized that the crushed stone particles 1 have an angular shape, and since it is different from natural stone, it is very artificial. There was a drawback that I could understand.

Between the crushed stone particles 1 of the artificial stone,
Since the cement 2 is present and the cement 2 is exposed on the surface side of the artificial stone as a product, there is a problem that the product value is reduced.

[0005]

In view of the above problems, the present invention has been improved and removed, and does not provide a method for manufacturing artificial stone that is close to natural stone and is not known to be artificially manufactured. It is what

The first means adopted by the present invention in order to solve the above problems is to finely crush stone particles with a ball mill to smooth the angular shape of the particles, which is then cemented. It is a method for producing an artificial stone, characterized in that it is kneaded by being put into the inside, poured into a mold to be hardened, and after the mold is removed, the surface is polished to obtain a crushed stone pattern.

In the second means adopted by the present invention, finely crushed stone particles are finely ground by a ball mill to make the angular shape of the particles smooth, and thus the crushed stone particles produced in this way have different sizes. Prepare a thing and knead these mixed particles with cement, pour the kneaded product into a mold to harden the cement and then demold, and then grind the surface to make fine crushed stones between large crushed stone particles A method for producing an artificial stone, characterized in that a crushed stone pattern in which particles are scattered and cement is not exposed on the surface is obtained.

Further, the third means adopted by the present invention is to finely crush finely crushed stone particles with a ball mill to smooth the angular shape of the particles, and thus the crushed stone particles thus produced have different sizes. Prepare things, let these mixed particles flow down from the hopper to the upper surface of the cement poured into the mold,
By hardening the cement, demolding it, and then polishing the surface, fine crushed stone particles are scattered between large crushed stone particles, so that a crushed stone pattern that does not expose the cement to the surface is obtained. It is a method of manufacturing an artificial stone.

[0009]

In the first means of the present invention, crushed stone particles obtained by crushing natural stones are finely ground by a ball mill to make the angular shape of the particles smooth, and this is kneaded with cement and poured into a mold, and then removed. After molding, the surface is polished to obtain an artificial stone. In the case of such an artificial stone, the crushed stone particles exposed on the surface after polishing have a rounded shape and become closer to a natural stone.

In the second means of the present invention, the crushed stone particles after crushing are finely ground by a ball mill into a rounded shape,
A large number of such crushed stone particles of different sizes are prepared and kneaded with cement, and thereafter, an artificial stone is obtained in the same manner as the first means. In the product of this second invention,
Not only is the shape of the crushed stone particles exposed on the surface rounded, but also many fine crushed stone particles are scattered between the large crushed stone particles, and the cement as a base material is not exposed on the surface.

Further, in the third means of the present invention, a large number of crushed stone particles having different sizes after being finely ground by a ball mill are prepared, and the crushed stone particles are made to flow down to the upper surface of the cement poured into the mold. Then, the following obtains an artificial stone in the same manner as the second means. With this third means, the surface texture is almost the same as that of the second means.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The manufacturing method of the present invention will be described below with reference to the embodiments shown in the drawings. The same reference numerals as in the conventional case are the same members. FIG. 1 shows the first of the present invention.
FIG. 4 is a vertical cross-sectional view of the mold 4 according to the example of FIG. In the first embodiment, first, natural stone is crushed by a crusher so as to have a predetermined size. Then, the crushed crushed stone particles are put into a ball mill and finely ground to smooth the angular shape of the crushed stone particles. Then, a large number of rounded crushed stone particles 5 thus manufactured are prepared for each different size.

Next, a mixture of crushed stone particles 5 having different sizes is kneaded into the cement 2 and poured into the mold 4 to be hardened.
After demolding, the surface is polished to obtain an artificial stone. It is difficult to understand that such an artificial stone is artificial because it has a rounded particle shape and is closer to a natural stone. Further, a large number of fine crushed stone particles are scattered between the large crushed stone particles, and the cement 2 as the base material is hardly exposed directly to the surface. Therefore, it is possible to provide a high-quality artificial stone.

2 and 3 relate to a second embodiment of the present invention. FIG. 2 is a vertical cross-sectional view of the mold 4 and the charging hopper 6 showing the manufacturing process thereof, and FIG. Stone 7
FIG. In this embodiment, a mixture of a large number of crushed stone particles 5 having different sizes is put into the hopper 6. Then, the cement 2 poured into the mold 4
Down the crushed stone particles 5 in the hopper 6,
The cement 2 is being hardened. Finally, it is removed from the mold and the surface is polished to obtain an artificial stone 7 as a product. With the artificial stone 7 obtained in this way, it is possible to form a flow pattern on the surface thereof, as shown in FIG. The other surface textures are the same as in the case of the first embodiment described above.

By the way, the present invention is not limited to the above-mentioned embodiment, and for example, the kind and particle size of the crushed stone particles 5 and the number of kinds of crushed stone particles having different sizes to be used at the same time may be appropriately changed. It is possible. In addition, as the crushed stone particles, it is also possible to independently use the same kind of particles having the same particle diameter after finely grinding with a ball mill.

[0016]

As described above, according to the present invention,
The crushed stone particles are finely ground with a ball mill to make the angular shape round, and it is possible to manufacture artificial stone that is closer to natural stone. In addition, by preparing a large number of crushed stone particles that have been rounded by finely grinding with a ball mill and mixed them for different sizes, fine crushed stone particles will be interposed between large crushed stone particles one after another. The cement is not exposed on the surface of the product, and it is possible to create a high-class feeling.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a mold showing a process of manufacturing an artificial stone according to a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of a mold and a hopper showing a manufacturing process of the artificial stone according to the second embodiment of the present invention.

FIG. 3 is a plan view showing an artificial stone according to a second embodiment of the present invention.

FIG. 4 is a vertical cross-sectional view of a mold showing a manufacturing process of a conventional artificial stone.

[Explanation of symbols]

 2 ... Cement 4 ... Formwork 5 ... Crushed stone particles 6 ... Hopper 7 ... Artificial stone

Claims (4)

[Claims] 1. A finely crushed stone particle is finely ground by a ball mill to make the angular shape of the particle smooth, and this is put into cement and kneaded, poured into a mold to be hardened, and the surface is removed after demolding. A method for producing an artificial stone, which comprises polishing to obtain a crushed stone pattern. 2. Finely crushed stone particles are finely ground by a ball mill to make the angular shape of the particles smooth, and thus prepared crushed stone particles having different sizes are prepared and mixed particles thereof are prepared. Kneading with cement, pouring the kneaded product into a mold to harden the cement, and then demolding, and then polishing the surface, fine crushed stone particles are scattered among large crushed stone particles, and the cement is exposed on the surface. A method for producing an artificial stone, characterized in that a crushed stone pattern that does not occur is obtained. 3. Finely crushed stone particles are finely ground by a ball mill to make the angular shape of the particles smooth, and thus prepared crushed stone particles having different sizes are prepared. The cement poured into the form from the hopper is allowed to flow down, the cement is hardened and then demolded, and then the surface is polished to disperse the fine crushed stone particles between the large crushed stone particles, exposing the cement to the surface. A method for producing an artificial stone, characterized in that a crushed stone pattern that does not occur is obtained. 4. The method for producing an artificial stone according to claim 3, wherein a kneaded product of crushed stone particles of different sizes and cement is flowed down obliquely to obtain a flow pattern.