JP2688608B2 - Manufacturing method and manufacturing apparatus for multicolor pattern tile - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manufacturing method and a manufacturing apparatus for a multicolor pattern tile.

2. Description of the Related Art A conventional method for forming a multicolor pattern of three or more colors on a tile surface is, for example, Japanese Patent Publication No. 59-52045 by the applicant.
There is an official gazette.

According to the method disclosed in the above-mentioned publication, a multicolored pattern is formed by stacking a plurality of patterns using each colored powder on one patterning plate on the traveling road body connected to the press section of the tile forming machine. ,
This patterning plate is mounted in the mold of the press section, filled with tile main body powder, and pressure-molded.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above method, it is necessary to form a multicolor pattern by stacking a plurality of patterns using each colored powder while intermittently moving one patterning plate on the traveling road body. There is. Therefore, a number of steps are required to form a multicolor pattern on the tile body raw material, and there has been a problem that it is not possible to rapidly and in large quantities manufacture colored pattern tiles.

In addition, since the road body is connected to the press part,
There is a problem in that it is difficult to form a plurality of tiles in the press section so that they can be pressure-molded at the same time, and color pattern tiles cannot be rapidly and mass-produced.

Therefore, an object of the present invention is to provide a manufacturing method and a manufacturing apparatus for rapidly forming a desired multicolor pattern on a lower surface or a surface of a tile body raw material using a rotating drum.

Means for Solving the Problems According to the present invention, in a method for producing a pattern tile by pressure molding, a drum containing a coloring raw material is used after or before filling a tile body raw material into a mold. Roll on the surface of the mold or on the surface of the tile body raw material in the mold, and drop the coloring material from the pattern hole of the drum onto the surface of the mold or the surface of the tile body raw material in the mold to form a pattern. There is provided a manufacturing method characterized in that the tile body material is formed and pressure-molded in a mold in which a pattern is formed on the lower surface or the surface.

According to another aspect of the present invention, in an apparatus for producing a pattern tile by pressure molding, a mold, a filling means for filling the mold with a tile body material, and a pattern hole on the circumference. On the surface of the mold, and a pattern forming means capable of containing a coloring material, a supplying means for supplying the coloring material into the pattern forming means, and a pattern forming means containing the coloring material. The tile body raw material in the die is provided with a driving means for rolling on the surface of the tile body raw material, and the tile body raw material in the die having a pattern formed on the surface or the lower surface is pressure-molded to produce a pattern tile. There is provided a manufacturing apparatus characterized by the above.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view schematically showing the structure of a manufacturing apparatus according to the present invention. The illustrated apparatus comprises a mold. The mold is composed of a plurality of, for example, four molds 1 aligned in one direction. As is clear from the cross-sectional view shown in FIG. 3, the mold 1 is composed of a lower mold 2 fixedly installed in the press body and a mold frame 3 that can be raised and lowered, and the mold frame 3 is the most elevated. The tile body raw material is stored in the state.

The illustrated apparatus further comprises a filling means 10 for filling the mold 1 with tile body material. Filling means 10
Includes a body powder mass 11 and a drive device 12 for the body powder mass 11. The body powder mass 11 is configured to slide on the upper surface of the mold 1, that is, the upper surface of the mold frame 3 in the most raised state, and is a rectangular mass for uniformly filling the tile body raw material into the mold. Is. In the body powder mass 11, a plurality of ruler plates 13 extending at right angles to the moving direction thereof are provided. The tile body raw material is supplied to the body powder mass 11 from a hopper (not shown). The body powder mass 11 is reciprocally driven by the drive device 12 in a direction orthogonal to the alignment direction of the mold 1.

The apparatus also comprises as pattern forming means 20 a plurality of, for example four rotating drums 21 whose axes are positioned parallel to each other. Pattern holes on the circumference of each rotary drum 21
22 is provided so that a coloring material (comprising a pigment, a tile body material and other additives) can be incorporated. As shown in detail in FIG. 2, the rotary drum 21 is provided with a pipe-shaped thin plate 23 having a generally cylindrical shape and having pattern holes 22. At one end of the pipe-shaped thin plate 23, that is, at the end on the supply means 40 side, a side cover having an opening in the center
24 is attached, and an inner pipe 25 is attached to the central portion of the side cover 24.

At the tip of the inner pipe 25, a cover 26 and a rotation stop plate 27 that prevent scattering of the coloring material are attached. A side cover 28 is attached to the other end of the pipe-shaped thin plate 23, and a shaft 29 is attached from the center of the side cover 28.
Are protruding outward. A spline 32 is formed at the tip of the shaft 29, and a timing pulley 30 is attached so as to engage with the spline 32. The shaft 29 is further provided with a rotary bearing 31 between the timing pulley 30 and the side cover 28, and the rotary drum 21 is entirely supported in the vertical direction via the rotary bearing 31. Side cover
Inside the 28, a stabilizer bracket 34 is swingably attached via a rotary bearing 33 attached to the base end of the shaft 29. A stabilizer holding plate 35 is stretched between the lower end of the stabilizer bracket 34 and the inner pipe 25 facing the stabilizer bracket 34, and a stabilizer 37 is attached to the stabilizer holding plate 35 via a spring 36. The stabilizer holding plate 35 is fixed to the rotation stop plate 27 via the inner pipe 25. Therefore, even if the drum 21 rolls, the stabilizer holding plate 35 does not rotate, and the stabilizer 37 is always in light contact with the bottom of the drum during rotation of the drum. Drops uniformly.

The illustrated apparatus further includes a driving means for the pattern forming means 20.
Equipped with 50. The driving means 50 comprises four motors 51 positioned parallel to the rotary drum, and a device 53 for moving the motor and the rotary drum 21. Each motor
A timing pulley 52 having the same diameter as the corresponding rotary drum 21 is attached to the tip of the output shaft of 51. A belt 54 is stretched between the timing pulley 52 of the motor 51 and the corresponding timing pulley 30 of the rotary drum 21, so that each rotary drum 21 is rotationally driven at the same rotational speed by the operation of each motor 51. Has become. The device 53 is a well-known device (Japanese Unexamined Patent Publication No. 59-164106) configured to be capable of advancing and retreating in the alignment direction of the mold 1 and being movable up and down.

The apparatus also comprises a supply means 40 for supplying a coloring material into each rotary drum 21. The supply means 40 includes four hoppers containing the coloring materials to be supplied to the rotary drums 21.
Has 41. The supply means 40 also has four motors 43 mounted on a carriage 42. An extruding spiral screw 44 is connected to the output shaft of each motor 43, and the extruding screw 44 is surrounded by a tube 45. Each hopper 41 has a hose
Each of the pipes 45 is connected to the corresponding pipe 45 near the end on the motor side. The carriage 42 is configured such that the tip end portion of the pipe 45 can enter the rotary drums 21 and can be retracted from the rotary drums 21 by a drive device (not shown). Therefore, after the required coloring material is supplied from the hopper 41 through the hose 46 into the tube 45, the tip portion of the tube 45 is made to penetrate into each rotary drum 21 by a driving device (not shown). As shown in detail in FIG. 2, when the tip portion of the pipe 45 reaches the deep part of the rotary drum 21, the motor 43 is driven to rotate the screw 44, and the pipe 45, that is, the carriage 42 is moved backward, and Rotating drum 21 for coloring material from the tip
Supply relatively uniformly inside.

The manufacturing apparatus configured as described above operates as follows.

The mold frame 3 of the mold 1 is raised to form a cavity for containing the tile body raw material. Next, the tile body raw material is supplied into the body powder mass 11 from a hopper (not shown), and the mold body 1 is filled with the tile body raw material while the body powder mass 11 is moved toward the mold 1 by the drive unit 12. . After the body powder mass 11 reaches the tip of the mold 1, the drive device 12 causes the body powder mass 11 to retract to the initial position. The mold body 1 is filled with the tile body raw material. When the body powder mass 11 moves forward and backward, the tile body raw material is uniformly filled in the mold by the action of the ruler plate 13.

The coloring material is supplied to the rotating drum 21 in parallel with the tile body material filling step or the pressure molding step. The coloring raw material of the color to be supplied to each rotary drum 21 is accommodated in the corresponding four hoppers 41 by appropriate means. The carriage (42) is moved in the direction of the rotary drum (21) by a drive device (not shown), and the tip of each tube (45) is inserted to the deepest part in the rotary drum (21) at the most retracted position. The coloring material in the hopper 41 is dropped into the tube 45 via the hose 46, the motor 43 is started to rotate the spiral screw 44, and the coloring material in the tube 45 is rotated by the pushing action of the spiral screw 44. Supply into the drum 21. As shown in detail in FIG. 2, the tube 45 is retracted so that the coloring material is uniformly supplied.

After completing the tile body filling step and the coloring material supplying step, a pattern is formed on the surface of the tile body filled in the mold 1. In FIG. 3, the locus of the rotary drum in the pattern forming process is shown by the locus of the lowest point of the frontmost rotary drum 4.

As shown in the locus (a), while rotating the rotating drum 21 by the motor 51, the rotating drum 21 is horizontally moved forward in the direction of the mold 1 by the device 53. At this time, the rotational peripheral speed and the moving speed of the rotary drum 21 match. The lowest point of each rotary drum 21 is positioned above the upper surface of the mold 1. Then, immediately before the center of the foremost rotary drum 4 comes into contact with the foremost mold 5, the entire rotary drum 21 is lowered so that its lowest point is kept on the upper surface of the mold 1 at an appropriate interval ( 5mm to 6mm) Thus, each rotary drum 21 rolls on the surface of the tile body raw material in the four molds 1. Immediately after each rotary drum 21 rolls and the center of the rearmost rotary drum 6 passes through the rearmost mold 7, the whole rotary drum 21 is lifted and the lowest point is set to the mold 1.
The entire rotary drum 21 is retracted rearward away from the upper surface of. As each rotary drum 21 rolls on the surface of the tile body raw material in the mold 1, the colored raw material drops from the pattern holes 22 of the rotary drum to form a desired pattern.

Further, as shown in the locus (b), the rotary drum 21 can be sequentially rolled during the backward movement to form a pattern.
Further, as shown in the locus (c), the reciprocating rotary drum 21 can be sequentially rolled during forward movement and backward movement to form a pattern.

Further, when the pitch of each mold and the pitch of each rotary drum are matched, as shown in the locus (d), the mold in which the center of the frontmost rotary drum 4 is the furthest ahead Immediately before approaching 7, the entire rotary drum 21 is lowered so that its lowest point is in contact with the upper surface of the mold 1 with an appropriate gap. Then, each rotary drum 21 rolls on the surface of the tile body raw material in each corresponding mold, and immediately after the center of the frontmost rotary drum 4 has passed the last mold 7,
The entire rotary drum 21 is raised, the lowest point is separated from the upper surface of the mold 1, and the entire rotary drum 21 is moved backward. In this way, different color patterns can be simultaneously formed on the surface of the tile body raw material in each mold by the corresponding rotating drums. As shown in the loci (B) and (C), as a modified example of the locus (D), the rotary drum is rolled during the backward movement, or the rotary drum is rolled during the forward movement and the backward movement, so that It is also clear that different color patterns can be formed simultaneously.

Further, the mold frame 3 of the mold 1 is lowered to form a pattern on the surface of the mold, that is, the upper surface of the lower mold 2 according to the above pattern forming step, and then the mold frame 3 is raised to mold the tile body raw material into a metal. It can be filled into the mold.

As described above, the tile body raw material in the mold having the pattern formed on the front surface or the lower surface is pressure-molded by a press machine (not shown), whereby a multicolor pattern tile can be manufactured.

In this embodiment, four rotary drums are used as an example, but the number of rotary drums can be easily adjusted appropriately according to the desired number of colors.

As described above, in the manufacturing method or the manufacturing apparatus of the present invention,
A desired pattern can be quickly formed simply by rolling the drum containing the coloring material.

Further, according to a preferred embodiment of the present invention, a desired multicolor pattern can be rapidly formed only by sequentially rolling a plurality of drums containing different coloring materials.

Further, according to a preferred aspect of the present invention, each of the plurality of drums containing the coloring materials different from each other is simultaneously rolled on the surface of the corresponding mold or on the surface of the tile body material in the corresponding mold. As a result, it is possible to simultaneously form patterns colored in different colors on a plurality of tiles.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing the structure of a manufacturing apparatus according to the present invention, FIG. 2 is a detailed sectional view showing the structure of a rotary drum, and FIGS. 3 (A) and 3 ( FIG. 3B and FIG. 3C are diagrams showing the locus of the rotary drum in the manufacturing method according to the present invention.

Claims (8)

(57) [Claims] 1. A method for producing a patterned tile by pressure molding, wherein a die body is filled with a tile body raw material, and a drum containing a colored raw material is rolled on the surface of the tile body raw material in the die. A method of producing a tile body raw material in a mold, wherein a colored raw material is dropped from a drum pattern hole onto a surface of a tile body raw material to form a pattern, and the tile body raw material in a mold having a pattern formed on the surface is pressure-molded. . 2. A method of manufacturing a pattern tile by pressure molding, wherein a drum containing a coloring material is rolled on the surface of a mold, and the coloring material is dropped from the pattern hole of the drum onto the surface of the mold. To form a pattern, fill the die having the pattern with the tile body raw material, and press-mold the tile body raw material in the die having the pattern formed on the lower surface. 3. A plurality of drums containing different colored raw materials are sequentially rolled on the surface of the mold or on the surface of the tile body raw material in the mold to make a surface of the mold or a tile in the mold. The manufacturing method according to claim 1, wherein a multicolored pattern is formed on the surface of the body raw material. 4. A plurality of drums each containing a coloring material different from each other are rolled at the same time on the surface of the corresponding mold or on the surface of the tile body material in the mold, respectively. The manufacturing method according to claim (1) or (2), characterized in that patterns colored in different colors are simultaneously formed on the surface of the tile body raw material in the mold. 5. An apparatus for producing a pattern tile by pressure molding, a mold, a filling means for filling the mold body with a tile body raw material, a patterning hole on the circumference, and a coloring raw material. The tile body on the surface of the mold or in the mold is provided with a pattern forming means which can be built in, a supplying means for supplying a coloring raw material into the pattern forming means, and a pattern forming means containing the coloring raw material. And a driving means for rolling on the surface of the raw material, wherein a tile body raw material in a mold having a pattern formed on the surface or the lower surface is pressure-molded to produce a patterned tile. apparatus. 6. The pattern forming means is composed of a plurality of drums, and the plurality of drums contain coloring materials different from each other, on the surface of the mold or on the surface of the tile body material in the mold. The manufacturing apparatus according to claim 5, wherein a multicolor pattern is formed on the surface of the mold or on the surface of the tile body raw material in the mold by sequentially rolling the plurality of drums. . 7. The mold comprises a plurality of molds, the pattern forming means is composed of drums having the same outer diameter and the same number as the molds, each drum containing coloring raw materials different from each other, The pitch of the molds matches the pitch of the drums, and each of the plurality of drums is rolled simultaneously on the surface of the corresponding mold or on the surface of the tile body raw material in the molds so that each mold 6. The manufacturing apparatus according to claim 5, wherein patterns colored in mutually different colors are simultaneously formed on the surface of or the surface of the tile body raw material in the mold. 8. The raw material stabilizing plate for uniformly dropping the coloring raw material according to the pattern holes is provided on the drum, and the raw material stabilizing plate does not rotate. The manufacturing apparatus of any one of these.