JPH0525903A - Drying apparatus and drying method for unit tile - Google Patents

Abstract

PURPOSE:To completely dry and solidify paste by sticking a connecting sheet to the top surface sides of plural tiles arranged at designated intervals through paste and pressing and heating the same plural times. CONSTITUTION:There are provided plural pressing apparatuses 11 each of which is constructed in such a way that a planar heater 14 is fitted to the lower surface side of a pressing plate 3 and a protective plate 15 excellent in thermal conductivity is fitted to the lower surface side of the heater. A connecting sheet is stuck to the top surface side of plural tiles arranged at designated intervals through paste, and the titles are sequentially carried in plural pressing apparatuses 11 by pallets 4, 4. The surfaces of the tiles where the connecting sheet is stuck are repeatedly pressed and heated within such a temperature range as to give no change on the property of the paste.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for drying and solidifying a glue for attaching a connecting sheet in the case of manufacturing a unit tile in which a plurality of tiles arranged at predetermined intervals are connected by a connecting sheet. And method.

[0002]

2. Description of the Related Art A conventional unit tile is, for example, as shown in FIG. This unit tile 1 has a total of nine tiles 2 arranged vertically and horizontally in three rows at predetermined intervals.
The tiles 2 are connected by applying glue to the upper surface side and attaching the connecting sheet 3 thereto. It FIG. 5 shows a manufacturing line A of the conventional unit tile 1. In addition,
In this production line A, two rows of unit tiles 1 are produced at the same time, and a pallet 4 having a frame body for accommodating the required number of tiles 2 in the unit tiles 1 is attached to the conveyer conveyor. It is designed to move. An array line B of tiles 2 is installed next to the carry-in side of the manufacturing line A.

In order to manufacture the unit tile 1, first, when a predetermined number of tiles 2 are gathered in the stock portion of the array line B, a tile suction transfer device 5 equipped with a large number of suction cups sucks the tiles 2 and the production line. Nine tiles 2 are transferred into the frame of each pallet 4 in which A is transported. Then, the joint aligning device 6 aligns each tile 2 with one corner of the frame. Next, the stamp of the adhesive applicator 7 is immersed in the glue tank to attach the glue to the lower surface side, and this is transferred to the upper surface side of each tile 2. Next, the suction device 8 of the connecting sheet 3 sucks this from the stock portion of the connecting sheet 3 and attaches it to the upper surface side of each tile 2 to which the glue has been applied. After that, the crimping device 9 presses the pasted connecting sheet 3 so that the tiles 2 are surely connected by the sheet 3. The unit tile 1 in which the tiles 2 are connected in this manner is boxed by the transfer device 10 and shipped.

[0004]

By the way, in the conventional method of manufacturing the unit tile 1, the connecting sheet 3 is used.
It does not actively dry the glue that is attached.
Drying and solidification of the paste is usually performed by naturally drying and curing the unit tile 1 from the time it is manufactured to the time it is shipped and constructed. Therefore, in the unit tile 1 whose manufacturing process is extremely short,
There is a drawback in that the paste is distributed in a state where it is not completely dried and solidified, and the tiles 2 are separated from the connecting sheet 3 and are separated when handled. In addition, such unit tiles 1 are usually shipped by stacking a predetermined number of unit tiles 1 and packing them. Therefore, when the glue protruding from the connecting sheet is not completely dried and solidified, there is also a problem that adjacent unit tiles 1 stick to each other due to the non-dried glue.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems and has been improved and removed by completely drying and solidifying glue as an adhesive used when manufacturing unit tiles. It is intended to provide an apparatus and method that can be shipped.

In the device adopted by the present invention to solve the above-mentioned problems, a connecting sheet is pasted on the upper surface side of a plurality of tiles arranged at a predetermined interval with an adhesive, and the connecting sheets are connected. In the case of manufacturing a unit tile by connecting the tiles by a sheet, a pressure bonding plate for pressing the connection sheet attached to each tile is provided, and a planar heater is attached to the lower surface side of the pressure bonding plate, The unit tile drying apparatus is characterized in that a protective plate having excellent thermal conductivity is attached to the lower surface side of the planar heater. In addition, the method adopted by the present invention comprises a pressure bonding plate for pressing the connection sheet adhered via an adhesive to the upper surface side of a plurality of tiles arranged at predetermined intervals, and the lower surface side of the pressure bonding plate. Using a unit tile drying device that is equipped with a planar heater, press and heat the surface of each tile where the connection sheet is attached multiple times within a temperature range where the properties of the glue do not change The method for drying a unit tile is characterized in that the glue for sticking the sheet is dried and solidified.

[0007]

In the apparatus of the present invention, the planar heater is attached to the lower surface side of the crimping plate that presses the connecting sheet toward the upper surface side of the tile, and the connecting sheet is pasted by heating by the planar heater. The glue for connecting the tiles can be completely dried and set, and the tiles are not incompletely connected. In addition, since the glue protruding from the connecting sheet is also dried and solidified, the unit tiles do not stick to each other even when the unit tiles are laminated. Further, in the method of the present invention, using the above device,
The paste is heated multiple times in a temperature range where the properties of the paste do not change to dry and solidify. Therefore, rapid heating at a high temperature can be avoided, and it is possible to prevent the tile from cracking or the connecting sheet from shrinking.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The apparatus and method of the present invention will be described below with reference to the embodiments shown in the drawings.

1 to 3 relate to an embodiment of the present invention. FIG. 1 is a front view of a crimping device 11, FIG. 2 is a side view when eight crimping devices 11 are connected in series, and FIG. Is the crimping device 1
1 is a partially enlarged vertical sectional view of FIG. As shown in FIG. 1, this crimping device 11 has a size equal to or larger than the size in which the unit tiles 1 are arranged in parallel so that two sets of the unit tiles 1 can be simultaneously manufactured so that the crimping device 11 can be applied to the conventional manufacturing line A shown in FIG. It has a width. Thus, the crimping device 11 has the crimping plate 13 mounted above the transport conveyor of the unit tile 1 so as to be able to move up and down through the cylinder 12, and the silicon rubber heater 14 is provided on the lower surface side of the crimping plate 13. The protective plate 1 made of aluminum is attached to the lower surface of the heater 14
5 is attached. Silicon rubber heater 14
Is a sheet-like heater interposed between two sheets of silicon rubber having excellent heat resistance and durability.

The crimping device 11 thus constructed is used, for example, in place of the crimping device 9 of the production line A shown in FIG. Therefore, in the previous step of the crimping device 11,
The tiles 2 are fitted and mounted in the frame on the pallet 4, and the joint alignment device 6 aligns the joint gaps between the tiles 2. Then, each tile 2 whose joints have been aligned
The adhesive is applied to the upper surface side of the sheet by the application device 7, and then the connecting sheet 3 is attached by the adsorption device 8.

The unit tile 1 to which the connecting sheet 3 is attached will reach below the pressure bonding device 11 due to the movement of the pallet 4. After that, first, the cylinder 12 of the first crimping device 11 is caused to project so that the crimping plate 13
And lower the aluminum protective plate 15 to the unit tile 1
Abut on the upper surface side of. A silicon rubber heater 14 is attached to the inside of the protection plate 15,
Is heated to a temperature in the range of 60 to 260 ° C. By this heating, the glue for attaching the connecting sheet 3 gradually starts to dry. In addition, the glue protruding from the connecting sheet 3 is dried and solidified.

In this embodiment, the surface of the protective plate 15 is 23
It is heated to 0 ° C., and the protective plate 15 is set so as to press the connecting sheet 3 for 5 seconds. This is because when heating at a high temperature for a long time, the paste itself deteriorates and loses its function as an adhesive, and the tiles 2 are separated, and the connecting sheet 3 shrinks and the unit tiles 1 are separated from each other. This is because the joint gap of is crazy. Furthermore, there is a problem that cracks occur in the tile 2 itself when it is heated instantaneously at a high temperature, and it is because consideration has been given to prevent such a thing from occurring. The reason why the heating temperature of the protective plate 15 is limited to the range of 60 to 260 ° C. is that the effect of drying the adhesive is low when the temperature is lower than 60 ° C. and the adhesive deteriorates when the temperature exceeds 260 ° C. This is because the adhesive force is reduced.

In consideration of the above, in the present embodiment, as described above, each of the eight crimping devices 11 arranged in series is heated by pressure at 230 ° C. for 5 seconds, and the glue is gradually removed. It is designed to dry and solidify. That is, it is set so that the glue is completely dried and solidified when the unit tiles 1 sequentially pass through the respective pressure bonding devices 11 in which eight unit tiles 1 are continuously arranged. As described above, by performing the pressure-bonding heating stepwise, it is possible to dry the glue in an extremely short time as compared with, for example, a case of putting it in a heating furnace and drying it, and a remarkable improvement in productivity can be obtained. The unit tile 1 after the glue has dried and solidified is
The transfer device 10 shown in FIG.

By the way, the present invention is not limited to the above-mentioned embodiment, and, for example, the specific heating temperature in each crimping device 11, the number of crimping devices 11 connected in series, and the like are the size of the unit tile 1 and the like. Appropriate changes can be made according to the type of connecting sheet 3. Further, a planar heater other than the silicon rubber heater 14 can be applied.

[0015]

As described above, in the drying apparatus of the present invention, the connecting sheet is heated by the planar heater attached to the crimping plate that presses the connecting sheet to the upper surface of the tile, and the glue is completely dried. I try to solidify. Therefore, in the production line, after the glue is dried and solidified, it can be shipped, and the individual tiles of the unit tile are not peeled apart. Further, the glue protruding from the connecting sheet can be dried and solidified, and even when the unit tiles are laminated, the unit tiles do not stick to each other. Further, in the method of the present invention, the above-mentioned apparatus is used to heat and paste the paste a plurality of times within a temperature range in which the properties of the paste do not change, and to dry and solidify the paste. Therefore, it is possible to avoid rapid heating at high temperature,
It is possible to prevent the tiles from cracking and the connecting sheet from shrinking.

[Brief description of drawings]

FIG. 1 is a front view of a drying device according to the present invention.

FIG. 2 is a side view of the drying device according to the present invention.

FIG. 3 is an enlarged side view showing a crimping plate of the drying device according to the present invention.

FIG. 4 is a top view showing an example of a unit tile.

FIG. 5 is an overall layout view showing a conventional unit tile manufacturing line.

[Explanation of symbols]

1 ... Unit tile 2 ... tiles 3 ... Connection sheet 11 ... Crimping device 13 ... Crimping plate 14 ... Silicon rubber heater (planar heater)

Claims (2)

[Claims] 1. A unit tile is manufactured by adhering a connecting sheet to the upper surface side of a plurality of tiles arranged at a predetermined interval via an adhesive, and connecting the tiles by the connecting sheet. A crimping plate for pressing the connecting sheet attached to each tile is provided, a planar heater is attached to the lower surface side of the crimping plate, and a protective plate having excellent thermal conductivity is attached to the lower surface side of the planar heater. A unit tile drying device characterized in that 2. A pressure-applying plate for pressing a connecting sheet adhered via an adhesive to the upper surface side of a plurality of tiles arranged at predetermined intervals, and a planar heater on the lower surface side of the pressure-bonding plate. Using a unit tile dryer, the surface of each tile to which the connecting sheet is attached is pressed and heated multiple times within a temperature range where the properties of the adhesive do not change, and the connecting sheet is attached. A method for drying a unit tile, characterized in that an adhesive for drying is solidified by drying.