JP3849695B2 - Tile unit manufacturing method and apparatus - Google Patents

Description

  The present invention relates to a method and apparatus for manufacturing a tile unit formed by connecting a plurality of tiles with a net. In particular, the present invention relates to a method and an apparatus for manufacturing a tile unit in which a net is bonded to a tile back surface with an adhesive solution.

  As shown in FIG. 3, a tile unit 3 in which a plurality of tiles 1 are arranged and the net 1 is bonded to the back surface of each tile 1 to integrate the tiles 1 is well known (for example, Japanese Utility Model Publication No. 55-1233). No. 49, No. 49-43403, No. 4-123948).

  In the second column of the Japanese Utility Model Publication No. 55-1233, it is described that the net is bonded to the tile back surface with a paste material such as vinyl acetate.

  FIG. 4 is a schematic diagram showing a conventional example of a tile unit manufacturing process in which an adhesive liquid is attached while continuously feeding out a net and is adhered to the back surface of the tile.

  The net 2 is unwound from the raw roll 2 </ b> A, cut by the cutter 5, and then contacted with the upper part of the gluing roller 6 to be glued. The gluing roller 6 is disposed such that the lower part thereof is immersed in an adhesive liquid (glue liquid) 8 in the container 7 and is rotationally driven around its axis by a motor (not shown).

  The net 2 glued by coming into contact with the upper part of the roller is sent to and superposed on the back surfaces of the tiles 1 arranged in an aligned manner by a feed mechanism (not shown). Thereafter, the tile unit 3 is manufactured by drying the adhesive liquid.

  5A is a plan view showing an example of the net 2, FIG. 5B is a cross-sectional view taken along the line BB of FIG. 5A, and FIG. 5C is an enlarged view of a cross-section of the thread-like material. This net 2 is formed by braiding yarn-like materials 2a, 2b, 2c such as glass fiber yarns and binding them together. The thread-like material 2a is a warp, and the thread-like materials 2b and 2c are wefts obliquely intersecting the warp 2a. Since the wefts 2b and 2c intersect in an X shape, the net 2 is extremely small in the longitudinal and lateral directions.

Since each thread-like material 2a, 2b, 2c is braided into a net shape and then pressed to bind the thread-like materials 2a, 2b, 2c to each other, the thread-like material is slightly as shown in FIG. 5 (c). It is flat. However, the cross-sectional shape of the thread material is not limited to this, and may be other shapes such as a perfect circle, an ellipse, a triangle, a rectangle, a polygon, and a star.
Japanese Utility Model Publication No. 55-1233 Japanese Utility Model Publication No. 49-43403 Japanese Utility Model Publication No. 4-123948

  When glued to the net 2 as shown in FIG. 4, an adhesive liquid film (glue film) 9 is likely to stick to the eyes of the net 2 as shown in FIGS. 6 (a) and 6 (b). FIG. 6B is a cross-sectional view taken along the line BB in FIG. When the net 2 on which the adhesive liquid film 9 is stretched is attached to the back surface of the tile 1 so as to close the eyes in this way and the adhesive liquid is dried, a film shape derived from the adhesive liquid film 9 as shown in FIG. The dried adhesive layer 9A is formed in the eye of the net 2. When the tile unit is adhered to the wall surface with an adhesive, the adhesive dry layer 9A hinders the contact between the tile-adhesive adhesive and the back surface of the tile, and the tile-adhesion strength is lowered.

  An object of the present invention is to provide a method and apparatus for manufacturing a tile unit that prevents the formation of an adhesive solidified layer and that has a high tile attachment strength when the tile unit is adhesively attached to a wall surface or the like. And

A method for manufacturing a tile unit according to the present invention (Claim 1) is a method for manufacturing a tile unit in which a plurality of tiles arranged in an array are connected by a net bonded to the back surface of each tile. In a tile unit manufacturing method comprising the steps of adhering an adhesive liquid to the tile and attaching the net to the rear surface of the tiles arranged in an array, the eye-catching adhesion of the net to which the adhesive liquid is adhered After removing the liquid film, the net is overlapped and adhered to the back of the tile, and air blow is applied only from the opposite side of the net to the tile contact surface toward the net to which the adhesive liquid is applied. By doing so, the adhesive liquid film is removed .

The method for manufacturing a tile unit according to claim 2 is characterized in that, in claim 1 , the adhesive liquid scattered from the net by air blow is returned to the step of attaching the adhesive liquid to the net.

The tile unit manufacturing apparatus of the present invention (Claim 3 ) includes a tile holding means for aligning and holding a plurality of tiles so that the back surface of each tile faces upward, and an adhesive liquid for adhering the adhesive liquid to the net. In a tile unit manufacturing apparatus, comprising: an attaching unit; and a net feeding unit that sends and overlaps a net attached with an adhesive liquid by the adhesive liquid attaching unit to an upper surface of a tile held by the tile holding unit. An adhesive liquid film removing means is provided for removing the adhesive liquid film adhered to the net to which the adhesive liquid is adhered by the adhesive liquid adhering means, and the adhesive liquid film removing means faces the net. An air blowing means for air blowing is characterized in that the air blowing means is arranged so as to blow air only from the side opposite to the tile contact surface of the net .

According to a fourth aspect of the present invention, there is provided the tile unit manufacturing apparatus according to the third aspect , wherein the adhesive liquid adhering means includes a container for storing the adhesive liquid and a roller disposed so that a lower part is immersed in the adhesive liquid in the container. And a driving device for rotating the roller, and the net contacts with the upper part of the roller so that the adhesive liquid adheres to the net. It is arrange | positioned so that an air blow may be arrange | positioned from the upper direction with respect to the net | network after arrange | positioning above a container and contacting this roller.

  According to the tile unit manufacturing method and apparatus of the present invention, since the adhesive liquid film spread on the net is removed and the net is bonded to the back of the tile, the adhesive is dried in the net on the back of the tile. Formation of the layer is prevented. As a result, when the tile unit is adhered to a wall surface or the like with an adhesive, the contact area between the adhesive for adhesion and the back surface of the tile becomes large, and the adhesion strength of the tile is increased.

  In order to remove the adhesive liquid film striking the net, it is simple and effective to blow air toward the net covered with the adhesive liquid film.

If you do this air blowing, it intends only line from the opposite side of the tile contact surface of the net. When air is blown in this way, the adhesive that has adhered to the net gathers so as to be blown toward the tile contact surface side of the net, so that the adhesive strength between the net and the tile increases.

  When air blow is performed, a part of the adhesive liquid adhering to the net is scattered, but the adhesive liquid cost is reduced by returning the scattered adhesive liquid to the adhesive liquid adhering step to the net. Can do.

  A preferred example of the present invention will be described below with reference to FIGS.

  FIG. 1 shows an example of the present invention in which an air blowing device 10 is provided in the tile unit manufacturing process of FIG. The air blowing device 10 is arranged above the container 7 and is arranged so as to blow air from above on the net 2 in contact with the roller 6.

  The other structure of this tile unit manufacturing process is exactly the same as in the case of FIG. 4, and the net 2 is unwound from the raw roll 2 </ b> A, cut by the cutter 5, and then contacts the upper part of the gluing roller 6. And glued. The net 2 glued by contact with the upper part of the roller is air blown by the air blowing device 10, and then sent to the back surface of the tile 1 via a net feeding mechanism (not shown) and superimposed. Note that a predetermined number of tiles 1 are accommodated in a grid frame (not shown) so that the back surface faces upward, and are arranged in a grid pattern. This grid is continuously fed by a conveyor. Thereafter, by drying the adhesive liquid adhering to the net 2, a tile unit as shown in FIG. 3 is manufactured.

  In this embodiment, since the adhesive liquid film striking the net 2 is removed by air blowing to the net 2 after coming into contact with the roller 6, the eyes of the net 2 adhered to the back surface of the tile 1 are All or most will be open. As a result, the tile attaching strength is high when the tile unit is attached to the wall surface with an adhesive.

  In this embodiment, air is blown only from the upper side to the lower side with respect to the net 2, and the adhesive liquid 8 adhering to the net is blown only to the lower side of the net 2 as shown in FIG. Collected. As a result, the adhesive liquid 8 is thickly attached to the lower surface side of the net 2, and the amount of adhesive liquid attached to the upper surface and side surfaces of the net 2 is small. For this reason, the adhesive strength between the net 2 and the back surface of the tile 1 increases, and the net 2 adhered to the tile dries quickly. Accordingly, it is possible to shorten the adhesive drying time after the net 2 is attached to the tile 1.

  When air is blown onto the net by air blowing, the air blowing angle is preferably substantially perpendicular to the surface of the net 2, but may be slightly inclined (for example, about ± 20 ° with respect to the vertical).

In the above embodiment, a part of the adhesive liquid adhering to the net 2 is scattered by the air blow, but the scattered adhesive liquid falls on the container 7 and is reused. There is no waste and the adhesive liquid cost can be reduced .

In the form above Symbol embodiment, the net 2 but is made of glass fiber, the material of the net 2 is not limited thereto. Further, the shape of the eyes of the net 2 may be other than shown. The size of the eye is suitable for applying the present invention when the longest diagonal length of the eye (the length of one side in the case of a triangle) is about 2 to 20 mm, particularly about 3 to 10 mm. The size is not limited to this.

It is a typical longitudinal cross-sectional view explaining the manufacturing method and apparatus of the tile unit which concerns on embodiment. It is sectional drawing explaining the adhesion | attachment condition of the net | network and tile in embodiment. It is sectional drawing of a tile unit. It is explanatory drawing of a prior art example. (A) A figure is a top view which shows the structure of a net | network, (b) A figure is the sectional view on the BB line of (a) figure, (c) A figure is sectional drawing of a filamentous material. It is explanatory drawing of the adhesion state of the adhesive liquid with respect to a net | network. It is typical sectional drawing which shows the adhesion state of the tile and net | network in the conventional tile unit.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tile 2 Net 2a, 2b, 2c Filamentous material 3 Tile unit 5 Cutter 6 Gluing roller 7 Container 8 Adhesive liquid 9 Adhesive liquid film 10 Air blow apparatus

Claims (4)

A method of manufacturing a tile unit in which a plurality of tiles arranged in an array are connected by a net bonded to the back surface of each tile,
In a method for manufacturing a tile unit, including a step of adhering an adhesive liquid to a net and a step of adhering the net to a back surface of tiles arranged in an aligned manner.
After removing the adhesive liquid film striking the net to which the adhesive liquid is attached, the net is overlapped on the back surface of the tile and bonded .
A method of manufacturing a tile unit, characterized in that an adhesive liquid film is removed by air blowing only from a side opposite to a tile contact surface of a net toward a net to which an adhesive liquid is attached . 2. The method for manufacturing a tile unit according to claim 1, wherein the adhesive liquid scattered from the net by air blow is returned to the step of attaching the adhesive liquid to the net. Tile holding means for aligning and holding a plurality of tiles so that the back surface of each tile faces upward,
An adhesive liquid attaching means for attaching the adhesive liquid to the net;
A net feeding means for sending and overlapping the net on which the adhesive liquid is adhered by the adhesive liquid adhering means to the upper surface of the tile held by the tile holding means;
In an apparatus for manufacturing a tile unit having
An adhesive liquid film removing means for removing the adhesive liquid film striking the net to which the adhesive liquid is adhered by the adhesive liquid attaching means ,
The adhesive liquid film removing means is an air blowing means for air blowing toward a net,
The tile unit manufacturing apparatus, wherein the air blowing means is arranged to blow air only from the side opposite to the tile contact surface of the net . The adhesive liquid adhering means according to claim 3 ,
A container for storing the adhesive liquid;
A roller arranged such that the lower part is immersed in the adhesive liquid in the container;
A driving device for rotating the roller;
The adhesive liquid is attached to the net by contacting the top of the roller with the net,
The tile unit manufacturing apparatus, wherein the air blowing means is arranged above the container and arranged to blow air from above the net after contacting the roller.

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