JP2002036329A - Method for manufacturing outer wall panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for manufacturing an outer wall panel which shows irregular pattern cuts formed on the surface and gives a massive and dignified feeling. SOLUTION: This method for manufacturing an outer wall panel 1 comprises the steps to press a mold mat material 3 with a formed irregular part 31 on the surface of a molded green plate 10 extruded from an extrusion molding machine 2 and impart a surface pattern 11 continuously on the surface of the molded green plate 10. The mold mat material 3 which is used for the manufacture of the outer wall panel 1 has a deep longitudinal joint irregular part 31a formed in a parallel direction with an extrusion direction A and a shallow crosswise joint irregular part 31b and a rubble irregular part 31c formed in a direction other than described.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an outer wall panel manufactured by extrusion.

[0002]

2. Description of the Related Art Heretofore, an endless belt-shaped mold mat material has been pressed against the surface of a molded green sheet extruded from an extrusion molding machine. A method of manufacturing an outer wall panel in which a pattern is continuously applied to the surface is known (for example, Japanese Patent Application Laid-Open No.
-202628).

[0003]

However, in the above-mentioned conventional manufacturing method, it is necessary to apply a pattern by pressing the mold mat material in accordance with the extrusion speed of the green sheet extruded from the extruder. Use of a mold mat material on which a deep uneven pattern is formed causes an inconvenience that a pattern formed on the surface of a molded green sheet is likely to flow.

[0004] For this reason, it is conceivable to use a mat material having a shallow uneven pattern.
The pattern formed on the surface is poorly cut, resulting in an inconvenience such that the pattern becomes round and full without a solid feeling.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method of manufacturing an outer wall panel in which an uneven pattern formed on a surface has a cut and a solid feeling can be obtained.

[0006]

According to the present invention, there is provided a method for manufacturing an outer wall panel, comprising the steps of: forming a mold mat member having a rough surface formed on a surface of a molded green sheet extruded from an extruder; A method of manufacturing an outer wall panel in which a surface pattern is continuously applied to the surface of a molded green sheet by pressing, wherein a deep uneven portion is formed in a direction parallel to the extrusion direction. In addition, a mold mat member having shallow uneven portions formed in other directions is used.

[0007] According to this configuration, since the mold mat member has a deep uneven portion in a direction parallel to the extrusion direction of the molded green plate, when the mold mat member is removed from the molded green plate, The surface pattern applied to the green sheet is prevented from flowing or chipping. In addition, since the mold mat material has a shallow uneven portion in a direction not parallel to the extrusion direction of the molded green sheet, it is applied to the molded green sheet when the mold mat material is released from the molded green sheet. The flowing surface pattern is prevented from flowing or chipping.

In the above manufacturing method, the mold mat member is provided in a plurality of irregularly arranged vertical joint uneven portions and horizontal joint uneven portions, and in a plurality of sections formed by the vertical joint uneven portions and the horizontal joint uneven portions. It is composed of crushed stone uneven parts, the step between the vertical joint uneven part and the split stone uneven part is formed deeply, and the step between the split stone uneven part and the horizontal joint uneven part, and the step between the horizontal joint uneven part and the vertical joint uneven part is shallow. The vertical joint uneven portion is formed in parallel with the extrusion direction.

[0009] According to this structure, a deep joint is formed on the surface of the molded green sheet by the vertical joint irregularities of the mold mat member. In addition, by making the vertical joint uneven portion parallel to the extrusion direction of the molded green sheet, the surface pattern applied to the molded green sheet is prevented from flowing or chipping. In addition, the step between the uneven part of the split stone and the uneven part of the side
In addition, since the step between the horizontal joint unevenness portion and the vertical joint unevenness portion is formed shallow, the surface pattern applied to the formed green sheet is prevented from flowing or chipping.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 schematically shows an extruder 2 for producing the outer wall panel 1 of the present invention, FIG. 2 shows a main part of a mold mat member 3 provided in the extruder 2, and FIG. The outer wall panel 1 in which a pattern 11 is provided on the surface by the same mat member 3 is shown.

That is, in the method of manufacturing the outer wall panel 1, the molded mat 1 is pressed against the surface of the molded green plate 10 extruded from the extruder 2.
0 is a method of manufacturing the outer wall panel 1 in which the pattern 11 is continuously applied to the surface of the outer wall 0, wherein the vertical joint uneven portion 31a is formed in parallel with the extrusion direction A, and the shallow horizontal joints are formed in other directions. The mold mat member 3 in which the ground uneven portion 31b and the split stone uneven portion 31c are formed is used.

The extruder 2 is configured to extrude the kneaded cement material from a die 21. From the die 21, a molded green plate 10 having a plurality of hollow holes 12 formed therein is formed. Is extruded. As this cement material, a material obtained by kneading cement, siliceous raw material, special ceramic lightweight aggregate, organic fiber, admixture, water and the like is used, and the molded raw plate 10 is easily applied while being extruded from the base 21. It is made of clay that can be shaped.

The mold mat member 3 is in the form of an endless belt, and the feeding direction of the belt coincides with the extrusion direction A of the green sheet 10. And mold mat material 3
Is sent in accordance with the extrusion speed of the molded raw plate 10 and presses the surface of the molded raw plate 10 extruded from the die 21 of the extruder 2 to impart the pattern 11 to the surface of the molded raw plate 10. It has been made possible.

[0015] As shown in FIG.
An uneven portion 31 including a vertical joint uneven portion 31a, a horizontal joint uneven portion 31b, and a split stone uneven portion 31c is formed.

The vertical joint irregularities 31a are provided basically at joint intervals of about 8 mm and intervals of about 250 mm. Also,
The vertical joint unevenness portions 31a are provided at irregular intervals or not at intervals other than the approximately 250 mm intervals, and have an irregular pattern. The vertical joint unevenness 31 a is made to coincide with the extrusion direction A of the molded raw plate 10. In addition, the vertical joint uneven portion 31a
Has a maximum step B of about 10 mm from the uneven portion 31c of the quarry stone, and is protruded at a sharp rising gradient of about 70 °.

The horizontal joint irregularities 31b are provided at an interval of about 60 to 100 mm with a joint width of about 20 mm. The horizontal joint unevenness portion 31b is composed of the vertical joint unevenness portion 31a and the split stone unevenness portion 3.
1c, the step with the vertical joint uneven portion 31a is about 4 to 6 mm, and the step with the split stone uneven portion 31c is about 4 to 6 mm. In addition, the horizontal joint irregularities 31
In b, a boundary portion between the vertical joint unevenness portion 31a and the split stone unevenness portion 31c is projected so as to have a sharp rising slope of about 70 °.

The unevenness portion 31c of the split stone has a natural unevenness on the surface of the broken stone.

When the surface of the molded green sheet 10 is pressed by the mold mat member 3, a pattern 11 is applied to the molded green sheet 10 to form the outer wall panel 1, as shown in FIG.

The pattern 11 applied to the green sheet 10
Is a pattern in which a split stone pattern 11c is formed in each section formed by the vertical joint pattern 11a and the horizontal joint pattern 11b.

Of these, the vertical joint pattern 11a is appropriately dispersed throughout the molded green plate 10, and has a cut pattern at a depth of about 10 mm. Therefore, the molded raw plate 10
The pattern 11 imparted to the image has a solid feeling as a whole.
The vertical joint uneven portion 31a of the mold mat member 3 for forming the vertical joint pattern 11a is provided with a step B having a maximum step of about 10 mm, but the vertical joint uneven portion 31a itself is formed by extruding the molded raw plate 10. Since it is made to match the direction A,
The vertical joint pattern 11a itself does not flow or chip. Conversely, when the vertical joint irregularities 31a are pressed against the surface of the molded green sheet 10, the bite to the molded green sheet 10 is improved.

Further, a side joint pattern 11b and a split stone pattern 11c
Since the step C is about 4 to 6 mm, even if the horizontal joint unevenness portion 31b or the crushed stone unevenness portion 31c of the mold mat material 3 does not match the extrusion direction A of the molded green plate 10, it may flow or chip. It doesn't matter.

The outer wall panel 1 provided with the pattern 11 on the molded green board 10 in this way is subjected to primary curing, length cutting, sealer coating, drying, autoclave curing, and shape processing in a later step.

In this embodiment, the mold mat 3
Although the thing in which the unevenness part 31 which consists of a vertical joint unevenness part 31a, the horizontal joint unevenness part 31b, and the crushed stone uneven part 31c is formed is used, it is not limited to such. As long as the mold mat member 3 has a deep uneven portion only in the extrusion direction A of the molded raw plate 10, the mold mat member 3 having various patterns can be used.

[0025]

As described above, according to the present invention, it is possible to form an outer wall panel having a surface pattern with deep irregularities without flowing or chipping of the pattern applied to the green sheet when the mold mat is released from the mold. can do. Therefore, an outer wall panel with a well-cut pattern and a solid feeling can be obtained, and can be suitably used as an outer wall panel of a residential building.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing an overall configuration of an extruder used for a method of manufacturing an outer wall panel according to the present invention.

2A is a partial plan view of a mold mat used in the method for manufacturing an outer wall panel according to the present invention, FIG. 2B is a cross-sectional view taken along the line II in FIG. 2A, and FIG. FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a perspective view schematically showing an overall configuration of an outer wall panel manufactured by a method of manufacturing an outer wall panel according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer wall panel 10 Molded raw board 11 Pattern 11a Vertical joint pattern 11b Horizontal joint pattern 11c Split stone pattern 2 Extrusion molding machine 3 Mold mat material 31 Irregularities 31a Vertical joint irregularities 31b Horizontal joint irregularities 31c Split stone irregularities

Claims (2)

[Claims] 1. A surface pattern is continuously provided on the surface of a molded green sheet by pressing a mold mat material having an uneven portion formed on the surface of a molded green sheet extruded from an extrusion molding machine. A method of manufacturing an outer wall panel as described above, wherein a mold mat material having a deep uneven portion formed in a direction parallel to the extrusion direction and a shallow uneven portion formed in the other direction is used. A method for manufacturing an outer wall panel, comprising: 2. The mold mat material is composed of irregularly arranged vertical joint irregularities and horizontal joint irregularities, and split stone irregularities provided in a plurality of sections by the vertical joint irregularities and the horizontal joint irregularities. The unevenness of the vertical joints and the unevenness of the split stone are formed deeply, the unevenness of the unevenness of the split stone and the unevenness of the horizontal joint, and the unevenness of the unevenness of the horizontal joint and the unevenness of the vertical joint are formed shallowly. The method for manufacturing an outer wall panel according to claim 1, wherein the vertical joint irregularities are parallel to the extrusion direction.