JP2004202769A - Mold for roof tiles - Google Patents

Abstract

An object of the present invention is to reduce the wear of a side frame as much as possible to improve the quality of a molded product, and to greatly improve the durability of a mold itself to increase work efficiency.
A side frame body (3,5,5,5) comprising an upper mold (2) and a lower mold (1) assembled to a molding press for tiles and the like, and mounted on the side surface of the upper mold (2) or the lower mold (1). A tile for press-forming the tile T to be formed into a tile to be formed by tightening the mold in a fitted state via the upper die 2 facing the side frame bodies 3, 3, 5, 5 or lower. On the side surface of the mold 1, face plates 4, 4, 6, and 6 are provided so as to be slidable on the side frames 3, 3, 5, and 5, and the upper mold 2 or the lower mold of the face plates 4, 4, 6, and 6 is provided. The end portions 4a, 6a protruding from the first frame 1 are pressed against the side frames 3, 3, 5, 5 by receiving the rolling force in the outward direction of the tile body T clamped by the upper mold 2 and the lower mold 1. Do it.
[Selection diagram] Fig. 4

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a roof tile forming die including an upper die and a lower die assembled to a clay tile forming press device or the like, and more specifically, when forming a clay tile, the upper die and the lower die are mutually separated. The present invention relates to a molding die whose side circumference is clamped in a fitted state.
[0002]
[Prior art]
Conventionally, in a molding die of this type, a side frame body (which is simply fitted to the side peripheral surface of the mold so that the upper mold and the lower mold can be clamped with their side circumferences fitted to each other). Side plate). (For example, refer to Patent Document 1.)
[0003]
[Patent Document 1]
Patent No. 3054093 ([0013], FIGS. 3 and 4)
[0004]
[Problems to be solved by the invention]
However, in this type of molding die in which the upper die and the lower die are clamped in a state where their side circumferences are fitted to each other, the side surfaces of the upper die and the lower die and the side frame (side plate) are formed when the tile is formed. ), The side frame (side plate) side is worn by the sliding contact. Then, shaving powder due to abrasion is mixed into the tile during the formation of the tile, or part of the tile is swelled out of the mold as a "molded residue" at the worn portion, and the tile is protruded. In addition to causing adverse effects on the quality of molded products, the replacement or repair of the worn side frames (side plates) requires a considerable amount of time and labor, leading to deterioration of work efficiency and the like. Was.
Accordingly, the present invention has been made in view of the above-described problems, and aims to improve the quality of the molded product by reducing wear of the side frame as much as possible, and to greatly improve the durability of the mold itself. It is an object of the present invention to provide a mold for roof tiles that can improve work efficiency.
[0005]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention comprises an upper mold and a lower mold assembled to a molding press device for roof tiles and the like, and mounted on a side surface of the upper mold or the lower mold. A molding die for a tile to be press-molded into a tile to be molded into a tile to be tiled with a mold clamped in a fitted state via the side frame body, and to a side surface of an upper mold or a lower mold facing the side frame body. The face plate is slidably mounted on the side frame body, and the end protruding from the upper mold or the lower mold of the face plate applies the rolling force in the outward direction of the tile material clamped by the upper mold and the lower mold. The gist of the present invention is to be configured to receive and press against the side frame.
[0006]
According to this configuration, at the time of clamping by the upper mold and the lower mold, the end protruding from the upper mold or the lower mold in the face plate that slides on the side frame body of the side surface of the upper mold or the lower mold is referred to as the upper mold. By receiving the rolling force in the outward direction of the tile body clamped by the lower mold, the tile body is pressed (elastically pressed) against the side frame body, and by maintaining the sliding contact state, the proper fitting state is achieved. The upper and lower molds are secured and the tile body is clamped to obtain a molded product as a tile.
This eliminates the generation of shavings due to abrasion and the swelling of the "molding residue", thereby improving the quality of the molded product as a tile and greatly improving the durability of the mold itself. It can increase efficiency.
[0007]
The invention according to claim 2 of the present invention is the molding die for tile according to claim 1, wherein an end protruding from the upper die or the lower die of the face plate is separated through a slit, and is separated from the outside. The gist of the present invention is that the end portion located at the side is pressed against the side frame body.
[0008]
According to this configuration, the pressing (elastically pressing) state of the end portion of the face plate against the side frame can be effectively achieved by a simple configuration, and the sliding state is maintained.
[0009]
Further, the invention according to claim 3 of the present invention is the molding die for tiles according to claim 1, wherein the face plate is composed of a plurality of sheets, and an end portion protruding from an upper mold or a lower mold and located outside. The gist of the invention is that the side is extended so as to be extended and pressed against the side frame.
[0010]
According to this configuration, the pressing (elastically pressing) state of the end portion of the face plate against the side frame can be effectively achieved by a simple configuration, and the sliding state is maintained.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
First, the embodiment shown in FIGS. 1 to 5 will be described in detail. In the drawings, a roof tile forming die S is composed of a lower die 1 and an upper die 2, and an existing tile forming press device (machine) ( The lower die 1 is exchangeably mounted on a die mounting base (both not shown) of a base (not shown), and the upper die 2 is mounted below the die mounting base (both not shown) of the upper elevating frame. It is mounted so as to be replaceable corresponding to the lower mold 1.
[0012]
The lower mold 1 and the upper mold 2 that constitute the molding die S are each formed in a rectangular shape as a whole, and the lower mold 1 has a predetermined roof tile shape to be molded on its upper surface (the figure shows a case of a flat roof tile). ) Is formed, and long flat plate-shaped side frames 3, 3 extend upward from the mold surface Wa on one side surface (the front-rear direction side in FIG. 1) opposite to the mold surface Wa. It is attached in a standing state in a replaceable manner by fastening means such as bolts, and has a relatively thin flat plate-like long face plate 4 on the opposite side (the left-right direction side in FIG. 1). 4 is mounted in an upright state with its end protruding slightly from the mold surface Wa by a fastening means such as a bolt.
[0013]
The upper mold 2 has a mold surface Wb of a predetermined roof tile shape (a flat roof tile is shown in the figure) to be formed on the lower surface thereof, and the other side (the left-right direction side in FIG. 1) opposite to the mold surface Wb. On the side surface, long flat side frame members 5 and 5 are exchangeably mounted by fastening means such as bolts in a hanging state extending downward from the mold surface Wb, and are opposed to each other (FIG. 1). The front and rear sides of the front plate 6 have relatively thin flat plate-like long face plates 6 and 6 which are exchangeably mounted by fastening means such as bolts with the ends thereof slightly suspended from the mold surface Wb. ing.
[0014]
The lower mold 1 and the upper mold 2 are attached to the side peripheral surface of the upper mold 2 while the inner surfaces of the side frames 3 and 3 of the lower mold 1 are in a state of being pressed from the tile forming operation and being clamped. And the inner surfaces of the side frame members 5 and 5 of the upper mold 2 are fitted to the face plates 4 and 4 attached to the side peripheral surface of the lower mold 1. A space (fitted in a contact state (sliding contact state)) surrounded by the mold surface Wa of the upper surface of the lower mold 1, the mold surface Wb of the upper mold 2, and the side frames 3, 3, 5, and 5 ( A space that matches the shape of the roof tile to be formed is formed.
[0015]
As shown in FIGS. 4 and 5, (A) and (B), the respective end portions of the face plates 4, 4, 6, and 6 protruding from the mold surfaces Wa and Wb of the lower mold 1 and the upper mold 2 are: A slit 7 having a predetermined length is formed at a substantially central portion in a thickness direction of the mold so as to extend toward the mold surfaces Wa and Wb. The located end portions 4a, 6a are pressed against the side frames 3, 3, 5, 5 by receiving the rolling force in the outward direction of the tile body T clamped by the lower die 1 and the upper die 2 (elasticity). ) So that it can be elastically deformed for a predetermined distance L. (See FIG. 5B)
[0016]
First, in the present embodiment, a tile body T made of clay is placed on the mold surface Wa of the lower mold 1 in the tile forming press device (machine), and the upper mold 2 is lowered. The mold is clamped while pressing the tile body T to press-mold a tile having a predetermined shape along the mold surfaces Wa and Wb of the lower mold 1 and the upper mold 2, and then the upper mold 2 is raised and the mold surface is raised. The press-formed roof tile (molded article TA) is released from Wb and the mold surface Wa of the lower die 1 and removed.
[0017]
By the way, at the time of the press molding, in the molding die S, the inner surfaces of the side frames 3, 3 of the lower die 1 are attached to the face plates 6, 6 of the upper die 2 during a period from the pressing step to the die clamping step. The lower mold is fitted in the contact state (sliding contact state), and the inner surfaces of the side frames 5, 5 of the upper mold 2 are fitted in the contact state (sliding contact state) with the face plates 4, 4 of the lower mold 1. The space formed by the mold surfaces Wa and Wb of the upper mold 1 and the upper mold 2 is substantially airtight.
[0018]
In this case, when clamping the lower mold 1 and the upper mold 2, the lower mold 1 and the upper mold 2 are attached to the face plates 4, 6 slidably in contact with the side frame bodies 3, 3, 5, 5 on the side surfaces of the lower mold 1 and the upper mold 2. Outer end portions 4a and 6a protruding from the upper mold 2 are elastically deformed by receiving a rolling force in the outward direction of the tile body T clamped by the lower mold 1 and the upper mold 2, thereby deforming the side frames 3, 3. Since it is press-contacted (elastically pressed) to 3, 5, 5, the proper fitting state can be ensured by always maintaining the sliding contact state with the side frames 3, 3, 5, 5. .
[0019]
Therefore, the generation of shavings due to abrasion and the swelling (projection) of "mold residue" can be eliminated, and the quality of the molded article TA as a roof tile can be improved and the durability of the mold S itself can be greatly improved. Thus, the work efficiency can be improved.
[0020]
In the present embodiment, the side frames 3, 3, 5, 5 and the face plates 4, 6 are formed on the lower mold 1 and the upper mold 2, respectively. It is possible to adopt a configuration in which the side frames 3, 3, 5, 5 are formed on the side and the face plates 4, 6 are formed on the other side.
[0021]
Also, as for the face plates 4 and 6, as shown in FIGS. 6A and 6B, a plurality of face plates 4 and 6 (in FIG. 2 are shown), the ends of which are formed as slanted surfaces in the same manner as described above, and the ends 4a and 6a located on the outside in the thickness direction are formed in the same manner as in the above-described embodiment. It is possible to adopt a configuration that can be elastically deformed by a predetermined distance L so as to press (elastically press) against the side frame by receiving the rolling force in the outward direction of the tile material that is extended and clamped for a long time. it can.
[0022]
【The invention's effect】
According to the first aspect of the present invention, in the face plate that slides on the side frame of the side surface of the upper mold or the lower mold, an end protruding from the upper mold or the lower mold is clamped by the upper mold and the lower mold. It is pressed (elastically pressed) against the side frame body by receiving the rolling force in the outward direction of the tiled body, and the sliding state is maintained, so that a proper fitting state can be ensured. Eliminating the generation of shavings and swelling of "molding residue" can improve the quality of molded products as roof tiles, greatly improve the durability of the mold itself, and improve work efficiency. it can.
[0023]
According to the second aspect of the present invention, a state in which the end of the face plate is pressed (elastically pressed) against the side frame can be effectively achieved by a simple configuration, and the sliding state can be maintained.
[0024]
According to the third aspect of the present invention, similarly to the second aspect, the pressure contact (elastic pressing) of the end portion of the face plate to the side frame body can be effectively performed by a simple configuration, and the sliding contact state thereof Can be maintained.
[Brief description of the drawings]
FIG. 1 is a side sectional view showing a state before a mold is closed by a molding die.
FIG. 2 is a side sectional view showing a fitted state of a lower die and an upper die.
FIG. 3 is a side sectional view showing a mold clamping state of a molding die.
FIG. 4 is an enlarged sectional view showing a sliding contact state between a side frame and a face plate.
FIGS. 5A and 5B are enlarged cross-sectional views of a face plate.
FIGS. 6A and 6B are enlarged cross-sectional views showing another example of the face plate.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Lower die 2 Upper die 3, 5 Side frame 4, 6 Face plate T Tile tile TA Molded product

Claims (3)

It consists of an upper mold and a lower mold that are assembled to a molding press device for tiles, etc., and the mold is clamped in a fitted state via a side frame body mounted on the side surface of the upper mold or the lower mold, and the tile body is A molding die for a tile to be press-molded on a tile to be molded, wherein a face plate is provided on a side surface of an upper die or a lower die facing the side frame so as to be slidable on the side frame. An end protruding from the upper mold or the lower mold is configured to receive a rolling force in an outward direction of the tile material clamped by the upper mold and the lower mold so as to be pressed against the side frame body. Mold for roof tiles. The molding die for a tile according to claim 1, wherein an end protruding from an upper die or a lower die of the face plate is separated through a slit, and an end portion located outside the slit is the side frame body. A mold for tiles, characterized in that it is configured to be pressed against the roof. The molding die for a tile according to claim 1, wherein the face plate is composed of a plurality of sheets, and the end portion protruding from an upper mold or a lower mold and extending outside is extended to be in pressure contact with the side frame body. A molding die for tiles, characterized in that it is configured to do so.

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