JP3100511B2 - Surface unevenness patterning equipment for ceramic industry plate materials - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for patterning a surface of a ceramic plate, and more particularly, to a method for continuously forming a deeply carved and sharp pattern on an uncured ceramic plate which is placed on a pallet and continuously supplied. The present invention relates to an apparatus for patterning a surface of a ceramic plate material that can be attached.

[0002]

2. Description of the Related Art Conventionally, ceramic building boards such as fiber reinforced cement boards and gypsum boards have been widely used.
In order to impart a decorative effect, these ceramic plate materials are provided with various uneven patterns on the surface, and a roll press or a flat plate press method is known as a means for imparting these uneven patterns.

[0003] The former roll press method has an advantage that it is suitable for continuous production because an uneven pattern is formed on the surface of a ceramic plate material formed and discharged from an extruder by a roll continuously rotating at a forming die portion. However, it is necessary to prevent the deformation of the molded product due to the press pressure.It is necessary to arrange the press roll in the molding die, and the diameter of the press roll becomes small. There is a problem that interference occurs due to the relationship with the depth, and thus it is difficult to form such an uneven pattern.

[0004] The latter flat plate press method does not have such a problem, but has a low production efficiency because it is a batch system.
There was a problem that it was not suitable for mass production. further,
In order to solve the problem due to the small diameter of the press roll, it has been proposed to use an arc-shaped press body having a very large radius of rotation of the press roll, thereby providing an uneven pattern on the surface of the uncured ceramic plate. (For example, JP-A-57-208205). In this case, the approach angle between the arc-shaped press body and the ceramic plate is very small, so that there is little interference, and as a result, a considerably deeply carved uneven pattern can be sharpened.

[0005]

However, this arc-shaped press body is in a state in which the molding material of the uncured ceramic plate, which is the object to be compressed, is rolled freely on a pallet, so that the width direction and the length At the same time as being rolled in two directions, the compressed material is deformed so as to rise up just before the point of contact with the press roll, and this is extruded so as to go back along the formed body, so that the dimensions of the formed body However, there is a problem that the pattern is easily deviated and the linearity of the pattern is hardly maintained.
Further, there is a disadvantage that fine cracks are easily formed on the surface of the molded article due to the rolling, and the appearance of the surface may be impaired.

[0006]

DISCLOSURE OF THE INVENTION In view of the above problems, the present invention can form a deeply carved uneven pattern with a sharp finish, and does not impede the linearity of the pattern, so that a complete uneven pattern can be formed. It is an object of the present invention to provide an apparatus for patterning a surface of a ceramic plate material that can be attached.

[0007]

In other words, the apparatus for patterning the surface of a ceramic plate according to the present invention comprises an uncured ceramic plate G.
A large-diameter arc-shaped concave-convex pattern having a circumference equal to the length of the uncured ceramic plate G to be transferred and having substantially the same width on the transfer path 1 of the pallet P for transferring A plate 2 is rotatably supported around a center of curvature 3 of the arc, and a knife-like edge is provided around the arc-shaped concave and convex pattern forming template 2 to regulate an edge of the uncured ceramic plate G. 4 and 5 are provided, and on the pallet transfer path 1 and immediately before the arc-shaped uneven pattern forming template 2 comes into contact with the ceramic-based plate material surface G, the arc-shaped uneven pattern is provided. A pressing plate 6 for pressing the ceramic-based plate material surface G is disposed at a position not interfering with the knife-like edge 5 forming the widthwise edge of the molding plate,
Another invention is characterized in that a vibrating device 7 is attached to the holding plate 6 in the above device.

[0008]

In the present invention, since the template for forming an uneven pattern on the surface of the uncured ceramic plate is formed into a large-diameter arc,
Interference between the convex portions or concave portions of the template and the concave portions or convex portions of the uncured ceramic-based plate material surface with the mold is avoided to a considerable extent,
As a result, the deep carved pattern is sharpened.

[0009] In this case, the uncured ceramic plate having the concavo-convex pattern is sequentially pressed and rolled by the concavo-convex pattern template. The deformation in the thickness direction is restricted by the knife-like edge, and the deformation in the thickness direction is prevented by the pressing plate provided immediately before the concavo-convex pattern template comes into contact with the ceramic plate material surface. As a result, it is possible to form a ceramic plate having a surface uneven pattern with little deformation of the contour. Further, when an ultrasonic vibration device is attached to the holding plate, the frictional resistance between the holding plate and the uncured ceramic plate is reduced.

[0010]

Next, an embodiment of the present invention will be described. FIG. 1 is a side view of an embodiment of the present invention, FIG. 2 is a perspective view of a template of the embodiment, FIG. 3 is a side view of another embodiment of the template, and FIG. FIG.

Example 1 A circumferential length L2m10 cm longer than the length of the uncured ceramic plate G to be transferred on the transfer path 1 of the pallet P for transferring the uncured ceramic plate G having a length of 2 m and a width of 45 cm. And approximately the same width 46
3 circular arc-shaped concave and convex patterning plates 2 having a radius R of 1 m34 cm and a central angle θ of approximately 90 ° are provided at equal intervals on the outer periphery of the large-diameter drum 3A, and are rotatably supported around the center 3 of the circular arc. did.

In addition, knife-shaped edges 4 and 5 for regulating the edges of the uncured ceramic plate material G are provided around the arc-shaped uneven pattern forming plate 2, and are provided on the pallet transfer path 1. A position immediately before the arc-shaped uneven pattern forming template 2 contacts the ceramic-based plate material surface G and does not interfere with the knife-like edge 5 forming the widthwise edge of the arc-shaped uneven pattern forming template 2. A holding plate 6 for pressing the ceramic plate material surface G was arranged to constitute an apparatus for patterning the surface unevenness of the ceramic plate material.

Next, an uncured ceramic plate having a length of 2 m, a width of 45 cm and a thickness of 12 mm is placed on the pallet P and transported at a speed of 100 m / min. By rotating the embossed pattern forming plate 2 to form a vertical and horizontal uneven joint pattern of a brick joint having a depth of 4 mm and a width of 5 mm, an extremely sharp carved deep uneven joint pattern can be formed. The plate size immediately after the pattern press is 2m 1-2cm in length,
The width was 45 cm and there was almost no deformation due to rolling.

Example 2 An irregular pattern was formed in the same manner as in Example 1 except that a template 2 having a radius R of 0.66 m and a central angle θ of approximately 180 ° was used. Also in this case, as in Example 1, a very sharp carved deep uneven joint pattern could be provided, and there was almost no dimensional deformation.

Embodiment 3 An ultrasonic vibrating device 7 is attached to the holding plate 6 of the devices of Embodiments 1 and 2, and the holding plate 6 is ultrasonically vibrated to form an uneven pattern. , The driving noise was reduced, and, similarly to Examples 1 and 2, a very sharp carved deep uneven joint pattern could be provided, and there was almost no dimensional deformation.

Comparative Example 1 Knife-like edges 4 and 5 around the template 2 in Example 1 were removed, and the holding plate 6 was removed to give an uneven pattern on the surface of the plate material in the same manner as in Example 1. The plate was rolled by 1 to 2 cm in the width direction and about 5 cm in the length direction, and the linearity of the uneven pattern was slightly shifted due to the effects of these rollings.

COMPARATIVE EXAMPLE 2 An embossing roll having a diameter of 30 cm was attached to a forming die portion of an extrusion molding apparatus for a plate-like body having a thickness of 12 mm and a width of 45 cm. When attached,
Although joint grooves continuous in the extrusion direction could be formed, the joint grooves in the direction perpendicular to the extrusion direction were significantly interfered by the radius of gyration of the protrusions, and uniform joint grooves could not be formed.

[0018]

As described above, according to the present invention, a concave and convex pattern is formed on an arc-shaped template having a large radius, so that a deeply carved concave and convex pattern can be formed with a sharp finish. Is provided with a knife-shaped edge to prevent rolling of the material, and thus has an effect that a complete uneven pattern can be continuously provided without inhibiting the linearity of the pattern.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of a template according to the embodiment.

FIG. 3 is a side view of another embodiment of a template.

FIG. 4 is a side view of a main part of still another embodiment.

[Explanation of symbols]

 G: Uncured ceramic plate P: Pallet 1: Transfer path 2: Large-diameter circular concave-convex pattern plate 3: Arc center of curvature 4, 5: Knife-like edge 6: Holding plate 7: Vibration device

Continuation of front page (56) References JP-A-59-140014 (JP, A) JP-A-59-140013 (JP, A) JP-A-57-208205 (JP, A) JP-A-55-156010 (JP, A) , A) Japanese Utility Model Application Hei 1-178912 (JP, U) Japanese Utility Model Application Hei 2-85107 (JP, U) (58) Fields studied (Int. Cl. ⁷ , DB name) B28B 11/00-11/22 B28B 3/00-3/18

Claims (2)

(57) [Claims] An uncured ceramic plate G having a circumference equal to or greater than the length of the uncured ceramic plate G to be transferred is provided on a transfer path 1 of a pallet P for transferring the uncured ceramic plate G. A large-diameter circular concavo-convex pattern forming plate 2 is rotatably supported around the center of curvature 3 of the circular arc, and the uncured ceramic-based plate material is provided around the circular arc-shaped concavo-convex pattern forming plate 2. Knife-shaped edges 4 and 5 for regulating the edge of G are provided, and on the transfer path 1 of the pallet, just before the arc-shaped concavo-convex pattern template 2 comes into contact with the ceramic-based plate material surface G. A ceramic plate, wherein a pressing plate 6 for pressing the ceramic plate material surface G is arranged at a position that does not interfere with the knife-like edge 5 forming the widthwise edge of the arc-shaped uneven pattern template. Surface unevenness patterning device for plate materials. 2. The apparatus according to claim 1, wherein an ultrasonic vibration device 7 is provided on the holding plate 6.