JP2961352B2 - Method and apparatus for manufacturing ceramic products - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for continuously producing ceramic articles by circulating a large number of gypsum molds and to an improvement of the apparatus. In particular, the present invention relates to a method of manufacturing a ceramic product by simplifying drying of a molded product and a gypsum mold when manufacturing a ceramic product by circulating a large number of gypsum molds, and to an improvement in an apparatus therefor.

[0002]

2. Description of the Related Art Conventionally, in the manufacture of ceramic products, kneaded clay is supplied intermittently to a gypsum mold that is driven to circulate, and the kneaded clay is rolled and formed. The formed product is dried in a drying chamber for the formed product, and then dried. The gypsum mold is removed from the gypsum mold, the empty gypsum mold from which the moulded article is taken out is dried in a gypsum mold drying chamber separate from the moulding chamber, and the clay is supplied to the dried gypsum mold. As a result, continuous production has been carried out by adopting a configuration of molding in the following (see JP-B-61-7924).

[0003] In this conventional example, a series of steps of manufacturing a ceramic product include supplying clay, rolling, drying a molded product, removing a molded product from a gypsum mold, and drying a gypsum mold. Thus, although it has the advantage of being able to be carried out continuously, it was essential to dry the empty gypsum mold after drying of the molded article in a drying chamber separate from the drying chamber for the molded article in preparation for the next step .

[0004] Accordingly, although having the above-mentioned advantages, two drying chambers must be provided for a molded article and a gypsum mold, so that the production equipment becomes large-scale and the space of the factory is reduced. Widespread occupation became a problem.

[0005] Further, as the scale increases, the number of gypsum molds also increases, and the fact is that at least about 40 gypsum molds are used in this type of apparatus in the industry. Therefore, in addition to the problem that a large number of gypsum molds must be prepared, there is also a problem that the replacement work of the gypsum molds is complicated at present when high-mix low-volume production is required.

[0006]

SUMMARY OF THE INVENTION Therefore, the present invention
In order to solve the above-mentioned problems, the drying of the molded article and the gypsum mold is shared by one drying chamber, thereby greatly simplifying the use and greatly reducing the number of gypsum molds used. This aims at simplifying the production equipment.

[0007]

The basic structure of the present invention is as follows.
In a method of manufacturing a ceramic product by circulating a large number of gypsum molds in an intermittent state, by circulating gypsum molds in a number obtained by adding 1 to a multiple of 2 and alternately supplying clay to adjacent gypsum molds The kneaded clay is divided into a gypsum mold that has been supplied with clay and a gypsum mold that has not been supplied with kneaded clay. The kneaded clay that has been supplied to the gypsum mold is formed, and both of these gypsum molds are carried into a drying chamber. Dry each gypsum mold not supplied with soil,
While removing the dried molded product from the gypsum mold, the kneaded material is supplied to the gypsum mold not supplied with the kneaded clay, and then the molded product is dried by being transported to the drying chamber after the kneaded clay is formed. A method for manufacturing a ceramic product, characterized by drying a gypsum mold that has not been supplied with clay by allowing the gypsum mold to be taken out to a drying chamber as it is,

An apparatus for producing a ceramic product by intermittently circulating a large number of gypsum dies is provided with a circulation mechanism for the gypsum dies, a kneading material supply mechanism, a rolling molding machine, a drying chamber, and a mechanism for taking out molded articles. A ceramic product manufacturing apparatus, wherein a circulation mechanism is provided with gypsum molds in a number obtained by adding 1 to a multiple of 2, a kneaded material supply mechanism is provided beside the circulation mechanism, and a rolling is provided beside the kneaded material supply mechanism. A molding machine is provided, a drying chamber is provided between the rolling molding machine and the clay feeding mechanism on an extension of the gypsum mold circulation mechanism, and a molded product is formed between the outlet of the drying chamber and the rolling molding machine. An apparatus for producing a ceramic product, comprising a take-out mechanism.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the accompanying drawings, together with a method and an apparatus. 1 is a plan view of an embodiment of the present invention, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a front view of FIG.

As apparent from FIGS. 1 to 3, a circulation mechanism 12 is provided to enable a large number of gypsum molds S to be intermittently circulated. In this embodiment, an endless conveyor 16 that circulates and drives on a machine base 14 is provided, and the endless conveyor 16 is controlled by a driving means 18 such as a motor so that the endless conveyor 16 can be driven intermittently.

In order to support the gypsum mold S on the endless conveyor 16, receiving rings 20 are provided corresponding to the number of gypsum molds S. In addition, each receiving ring 20 rotates the gypsum mold S in the drying chamber 24 so that the gypsum mold S rotates.
2 (see JP-B-61-7924).

By rotating the gypsum mold S, as will be described later, the undried molded article W and the gypsum mold S can be easily subjected to a heat source such as hot air or far-infrared rays in the drying chamber 24, so that the molded article W Care is taken so that W and gypsum mold S can be uniformly dried in a short time.

In this embodiment, the number of gypsum molds S is 27, which is obtained by adding 1 to a multiple of 2. When the gypsum mold S is prepared by adding 1 to a multiple of 2, when the clay P is supplied to the gypsum mold S that intermittently circulates a certain distance, the gypsum mold S and the clay that have already been supplied with the clay are supplied. The clay P is alternately supplied to the gypsum mold S via the clay supply mechanism 26 which is intermittently driven to bring the unfilled gypsum mold S adjacent.

A clay supply mechanism 26 for supplying the clay P to the gypsum mold S is provided beside the circulation mechanism 12. The kneaded material supply mechanism 26 includes an adsorbing unit for adsorbing and holding the kneaded material P conveyed by the kneaded material conveying conveyor 32 disposed near the machine stand 14, and the kneaded material conveying conveyor 32 and the gypsum mold S Reciprocating means for reciprocating between the two.

The kneaded material conveyor 32 is controlled so as to be intermittently driven, and the kneaded material P to be transferred is prepared by being cut into a predetermined amount. A rolling forming machine 28 provided with a rotating iron and a lathe shaft for rolling and forming the clay P supplied to the gypsum mold S is provided beside the clay feeding mechanism 26.

On the extension of the circulation mechanism 12, a drying chamber 24 for sharing drying of the undried molded product W and the gypsum mold S is provided between the rolling molding machine 28 and the clay supplying mechanism 26. Is provided. In the drying chamber 24, a molded product W or a plaster mold W
A far-infrared lamp and hot air supply means are provided as a heat source for drying the gypsum.
It is configured such that the individual pieces are arranged in the drying chamber 24.

Further, the outlet of the drying chamber 24 and the rolling molding machine 2
8, a take-out mechanism 30 for taking out the dried molded product W is provided beside the clay supplying mechanism 26.

The removal mechanism 30 includes a clay supply mechanism 26.
A means for adsorbing the molded product W is provided in the same manner as described above, and the molded product W taken out of the gypsum mold S is transferred to the molded product transfer conveyor 34 provided near the kneaded material transfer conveyor 32.
Reciprocating means provided with a suction device for placing the device on the device.

Next, the operation of the embodiment of the present invention will be specifically described. The number of gypsum molds S obtained by adding 1 to a multiple of 2 is circulated by the circulation mechanism 12 and the gypsum mold rotation means 22
And the plaster mold S in the drying chamber 24 is rotated through the receiving ring 20.

The clay P is alternately supplied to the gypsum molds S by the supply mechanism 26 so that the gypsum molds S to which the clay has been supplied and the gypsum molds S to which the clay has not been supplied are adjacent to each other.

Next, the clay P supplied to the gypsum mold S is roll-formed by the roll forming machine 28. Then, the gypsum mold S having the molded product W and the gypsum mold S not supplied with the clay are both dried in the drying chamber 24.
The molded product W and the gypsum mold S not supplied with the clay are dried while rotating.

Next, these gypsum molds S are transported outside the drying chamber 24, and the dried molded articles W are taken out of the gypsum molds S by the take-out mechanism 30. On the other hand, the clay P is supplied to the gypsum mold S not supplied with the clay by the clay supply mechanism 26, formed and dried in the above-described manner. The empty plaster mold S from which the molded article W has been taken out is fed into the drying chamber 24 as it is without supplying the clay P, and the plaster mold S is dried to prepare for the subsequent molding.

[0023]

As described above, the present invention has the above configuration, and therefore has the following advantages. By sharing drying of molded products and gypsum molds in one drying room, manufacturing equipment can be greatly simplified, and production equipment can be simplified by greatly reducing the number of gypsum molds used. It is also possible. Further, since the number of gypsum molds used can be reduced, the work of exchanging gypsum molds is facilitated, which contributes to the production of a wide variety of products in small quantities, and the installation area of production equipment can be reduced. In addition, since the gypsum mold provided with the molded product and the gypsum mold not supplied with the clay are arranged alternately and are dried in the drying chamber for an equal period of time, it takes sufficient time. Since the drying of the gypsum mold that has not been supplied with clay is performed following the drying control of the molded article to be dried, the conventional drying chamber is installed by providing two for the molded article and the gypsum mold. Drying of gypsum molds was inadequate because the drying room for gypsum molds had to be simplified compared to the drying room for molded articles due to the requirement to minimize the area. However, in the present invention, as described above, the gypsum mold can be sufficiently dried.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is a side view of the embodiment of the present invention.

FIG. 3 is a front view of the embodiment of the present invention.

[Explanation of symbols]

 12 Circulation mechanism 24 Drying chamber 26 Clay supply mechanism 28 Roll forming machine 30 Removal mechanism

Claims (2)

(57) [Claims] 1. A method of manufacturing a ceramic product by circulating a large number of gypsum molds intermittently, wherein a number of gypsum molds obtained by adding 1 to a multiple of 2 is circulated, and the clay is alternately formed on adjacent gypsum molds. By separating the gypsum mold into a gypsum mold that has already been supplied with clay and a gypsum mold that has not been supplied with kneaded clay, the kneaded clay that has been supplied to the gypsum mold is formed, and both gypsum molds are carried into a drying chamber. After the molded article and the gypsum mold not supplied with the clay are respectively dried, the dried molded article is taken out of the gypsum mold, and the clay is supplied to the gypsum mold not supplied with the clay, and after the clay is formed, A method for manufacturing a ceramic product, comprising drying a molded article by bringing it into a drying chamber, and drying a gypsum mold not supplied with clay by directly carrying the gypsum mold from which the molded article has been taken out into the drying chamber. . 2. An apparatus for manufacturing a ceramic product by intermittently circulating a large number of gypsum molds, comprising: a gypsum mold circulation mechanism, a kneaded material supply mechanism, a rolling molding machine, a drying chamber, and a molded product take-out mechanism. A porcelain mold of a number obtained by adding 1 to a multiple of 2 in the circulation mechanism, and a clay supply mechanism beside the circulation mechanism,
A roll forming machine is provided beside the kneaded material supply mechanism, and a drying chamber is provided between the roll forming machine and the kneaded material supply mechanism on an extension of the gypsum mold circulation mechanism. An apparatus for producing a ceramic product, wherein a mechanism for taking out a molded product is provided between the apparatus and a machine.