JPH07144376A - Method and device of manufacturing water permeable artificial lawn tile - Google Patents

Abstract

PURPOSE:To impart water permeable property by making water permeable pores of a lawn body and a drain deck communicate with each other assuredly. CONSTITUTION:An artificial lawn body 1 and a drain deck 2 which are layered with an adhesive between their connecting faces are positioned on a holding means 3 with the bottom face of the drain deck faced a heat pin, and are set. Thereafter, a cutting die having the heat pin is moved and the heat pin is made to penetrate an opening of the drain deck 2 and a base cloth of the artificial lawn body so as to form communicating openings, and the artificial lawn body and the drain deck are adhered to each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for efficiently and accurately producing a water-permeable artificial lawn tile having a water-permeable hole communicating from the front to the back of the lawn. Here, the water-permeable artificial lawn tile consists of a portion corresponding to the lawn and the base cloth, and for forming the drainage channel on the back surface of the base cloth and the artificial grass main body formed of a synthetic fiber tufted fabric or a knitted knit fabric. It is composed of a plastic drainage deck laminated on the.

[0002]

2. Description of the Related Art Structures of artificial lawn tiles having excellent drainage properties are described in, for example, Japanese Utility Model Publication No. 61-184710, Japanese Utility Model Publication No. 3608, and Japanese Utility Model Publication No. 4-10259. There is. Conventionally, such artificial lawn tiles are usually made of synthetic fiber tufted fabrics or knitted fabrics that have been processed to resemble turf and are perforated to facilitate water permeability. It has been manufactured by laminating a main body and a plastic drainage deck having water-permeable holes on a deck surface formed by using an injection molding method or the like.

[0003]

In order to maintain the excellent drainage performance of the water-permeable artificial grass lawn tile, the perforated portion of the base cloth and the water-permeable hole of the drainage deck are aligned with each other to form an open hole. It is necessary to form a part. However, the artificial lawn body is a flexible cloth that is easily deformed, and when laminated and joined to the drainage deck, the water permeation hole of the base fabric is misaligned with the water permeation hole of the drainage deck and cannot be connected, or used for bonding. The water permeability of the artificial lawn tile was often impaired by blocking the water permeable holes with the adhesive. An object of the present invention is to provide a method for manufacturing an artificial lawn tile having excellent water permeability by reliably penetrating these water permeable holes, and a manufacturing apparatus therefor.

[0004]

The contents of the present invention will be described with reference to the drawings. First, the lawn portion 11 and the base cloth portion 12 will be described.
A water-permeable artificial lawn, which is a laminated body 16 of an artificial lawn main body 1 composed of and a drainage deck 2 made of plastic, and which has an opening portion for communicating water between the base cloth portion and the drainage deck. In the method of manufacturing a tile, holding means 3 for setting and holding the laminated body 16 for forming the above-mentioned opening portion, and a plurality of heat pins 6 for opening the laminated body set in the holding means. Using a die-cutting device including the attached die 4 and the moving means 5 for moving the laminated body set in the die-forming or holding means to form an opening portion in the laminated body, the heat pin tries to open the laminated body. The heat pin is attached to the die so that it penetrates the position, and the back surface of the laminated body is set on the holding means with the back surface of the laminated body facing toward the heat pin side. Penetrate to the main body and remove it from the artificial lawn main body. Forming an opening portion communicating to the deck, characterized in that, to provide a method of manufacturing a water permeable artificial lawn tiles.

In the method of manufacturing the water-permeable artificial lawn tile, when the artificial lawn body and the drainage deck are laminated, an adhesive layer is sandwiched between the artificial lawn body and the drainage deck to form a laminated body, and a heat pin is used. It is also possible to penetrate to the artificial lawn main body to form an opening, and press the laminated body to bond the artificial lawn main body and the drainage deck. Also,
The drainage deck to be laminated is a drainage deck which already has an opening portion at a desired position, and a heat pin is penetrated through the opening portion to the artificial lawn body to form an opening portion of the artificial lawn body communicating with the laminated body. It is also possible to do so.

Further, a holding means for setting a laminated body of an artificial lawn body composed of a lawn portion and a base cloth portion and a drainage deck made of plastic at a predetermined position, a heating plate 8 and a plurality of heat pins are attached. The heat transfer plate 9 and the heat insulating plate 10 that are stacked are moved, and the die that is configured by protruding the tip end of the heat pin to the outside of the heat insulating plate and the laminated body that is set in the die or holding means are moved. A water-permeable artificial lawn tile manufacturing apparatus, comprising: a moving means, and a heat pin that penetrates the laminated body to form an opening communicating with the laminated body.

[0007]

Actions and Examples of Embodiments The present invention will be specifically described by way of examples of embodiments with reference to the drawings. FIG. 1 is a front view including a partial cross-section showing a water-permeable artificial lawn tile manufacturing apparatus of the present invention, and FIG. 2 shows an artificial lawn main body 1 and a drainage deck 2 of the water-permeable artificial lawn tile separated from each other. It is the perspective view which showed some, both are examples of an embodiment. A water-permeable artificial lawn tile according to the present invention is composed of an artificial lawn main body 1 and a plastic drainage deck 2 which is laminated and joined to the back surface side of the artificial lawn main body 1, and has a water-permeable open hole portion communicating between both layers. Have. Water accumulated on the surface of the lawn reaches the back side of the drainage deck through this opening and is drained through between the floor surface.

First, the artificial lawn body 1 will be described.
The artificial lawn main body 1 is composed of a portion 11 corresponding to turf and a base cloth 12 for fixing the turf portion, and has an action of artificially forming turf and imparting the feel and appearance of the turf. The artificial lawn body 1 is usually made by tufting or knitting synthetic fibers. In the case of tufting, the base cloth 12 and the turf portion 11 have different structures. Both are usually organized together. For example, plain woven fabric using split yarn such as polypropylene and polyethylene, polyester filament,
An artificial lawn in which split yarns such as polyamide, polypropylene, and polyvinylidene chloride and cut piles of monofracture are planted on a base fabric such as a knitted fabric, cut into a predetermined length, and lined with a backing material such as rubber or synthetic resin. , Artificial grass lawn cloth coated with a backing material on the protruding portion of the pile yarn on the back side, artificial grass lawn cloth knitted using a double Raschel knitting machine and slice-cut at the center. These artificial lawn cloth bodies 1 are base cloth 12
Even if it has some water permeability, it is generally not enough, and if it is left as it is, water will easily accumulate on the surface of the artificial grass.

Next, the drainage deck 2 will be described.
The drainage deck 2 described in the present embodiment example has a large number of openings 1
The plate 13 and the leg 14 each have a hole number of 5, and the plate 13 is usually manufactured to have an opening ratio of about 20 to 80%. The legs 14 of the plate 13 are provided so that the water that has passed through the base fabric 12 and the plate 13 can be easily drained without being blocked. The height of the drainage deck 2 is preferably about 5 to 20 mm because it is easy to use, the drainage property is maintained, and even if there is some unevenness on the base surface on which the artificial lawn is laid, it is possible to contact the surface without rising. The material of the drainage deck 2 is preferably a supple ethylene-vinyl acetate copolymer so that it conforms to the unevenness of the base surface and softens the feel, but plastics such as polypropylene, ABS and polyethylene can also be used. The drainage deck 2 can be manufactured using a known injection molding method or the like. The drainage deck 2 and the artificial lawn body 1 are usually joined with an adhesive.

In order to carry out the method for producing a water-permeable artificial lawn tile of the present invention, preferably, the artificial lawn main body 1 comprising the (1) lawn portion 11 and the base cloth portion 12 of the present invention and plastic drainage. Holding means 3 for setting the laminated body 16 with the deck 2 at a predetermined position, (2) the heating plate 8 and the heat transfer plate 9 on which the plurality of heat pins 6 are mounted, and the heat insulating plate 10 are laminated, and The die 4 formed by projecting the tip end portion of the heat pin 6 to the outside of the heat insulating plate 10, and (3) the die 4
Alternatively, a water-permeable artificial lawn tile manufacturing apparatus is used in which the holding means 3 is moved so that the heat pin 6 penetrates the laminated body 16 to form an opening in the laminated body 16.

The holding means 3 is not limited to a system in which the above-mentioned laminated bodies are set one by one on a holding table by using a person or a machine and punched, and a plurality of sets are set side by side and punched at one time. Alternatively, a method of automatically setting and punching in combination with a conveyer for conveying the laminated body can be used. The heating plate 8 has a function of a heat source for heating the heat pin, and an electric plate heater or an electric embedded heater can be used. The heat transfer plate 9 has a function of fixing the heat pin 6 and efficiently transmitting the heat of the heating plate 8 to the heat pin 6, and it is desirable to use a metal having a high thermal conductivity. The heating plate 8 and the heat transfer plate 9 can also be formed by molding the same material substantially integrally. The heat insulating plate 10 is attached so that the heat transfer plate 9 does not directly touch the plastic drainage deck 2 on the holding table 3 to be melted or deformed, and for the safety of operation. The surface temperature of the heat insulating plate 10 depends on the material of the drainage deck 2,
For example, it is selected in consideration of the bonding temperature of the hot melt adhesive used for bonding the artificial lawn main body 1 and the drainage deck 2.

The heating pin 6 has a function of coming into contact with the base cloth 12 and / or the plate 13, heating and melting the contact portion to penetrate therethrough, and forming an opening portion in the portion. It is desirable to use copper, copper-based alloys, aluminum, aluminum-based alloys, etc., which have high thermal conductivity. Conical tip, diameter of tip is 1.5-6mm, diameter of root is 3-10m
A headed pin having a length of m and a length of 30 to 120 mm is preferably used, but is not limited to this. The number and cross-sectional area of the heat pins 6 may be determined according to the desired water permeability, and there is no particular limitation. However, normally, for example, in the case of a square water-permeable artificial grass lawn tile having a plane shape of 300 to 350 mm, a circular hole having a diameter of 1.5 to 3 mm is used.
Open about 400 holes. The heat pin 6 and the laminated body are such that the heat pin 6 and the laminated body have the tip end of the heat pin 6 at a position where the heat pin 6 and the portion of the plate 13 that is to be the hole are opposed to each other.
Then, the laminated body is set to the holding means 3 by protruding and mounting the laminated body.

An air cylinder is used as the moving means 5, and the die 4 is lowered to punch the laminated body 16 from the back surface of the drainage deck 2 on the holding table 3. However, the moving means 5
The present invention is not limited to this, and means such as a hydraulic cylinder, a crank, a cam, or a knuckle may be used, and the die may be fixed and the holder may be moved.
It is easy to handle the stroke of the moving means 5 of about 100 to 300 mm.

In the method of manufacturing a water-permeable artificial lawn tile of the present invention, the water-permeable holes of the drainage deck 2 may be open holes or unopened holes. In the case of unopened holes, it is sufficient to penetrate the heat pins at the positions where they should be opened and punch them at the same time as the base cloth 12. If the holes 15 already exist, the heat pins 6 pass through the open holes 15. The base cloth 12 may be perforated as described above. In addition, the laminated body 16 may be a laminated body that is separately laminated in advance and joined, or an unjoined laminated body 16. If not joined, the artificial lawn body 1 and the drainage deck 2
It is advisable to sandwich a hot melt adhesive or the like on the joint surfaces. Then, the back surface of the drainage deck 2, that is, the leg side is set to the holding means 3 so that the heat pin 6 does not come into contact with the lawn portion 11 as much as possible, that is, the leg side is directed to the die 4 side. At that time, for example, in order to accurately position it with respect to the heat pin 6,
When the positioning contact plate 7 that is attached to the L-shape in advance is installed on the holding table 3 and the artificial lawn main body 1 and the drainage deck 2 are applied to the contact plate 7 sequentially or simultaneously, the accurate setting is efficiently performed. Can be carried out. Usually, the artificial lawn body 1 and the drainage deck 2 are squares or rectangles having the same size. These operations can be automatic operations, or a means such as utilizing a sensor for positioning can be used.

Next, the die 4 and the laminated body 16 are brought close to each other by using the moving means 5, and the heat pin 6 is penetrated into the base cloth 12 through the opening portion 15, or a predetermined position of the laminated body 16 is penetrated. Then, an opening (not shown) is formed. If necessary, the artificial lawn body 1 and the drainage deck 2 are bonded together. In this case, in order to facilitate adhesion, the heat insulating plate 10 surface of the die 4 may be applied to the back surface of the drainage deck 2 to apply pressure.
A hot melt type adhesive can be preferably used as the adhesive.

[0016]

EFFECTS OF THE INVENTION By using the method and apparatus for manufacturing a water-permeable artificial lawn tile of the present invention, the artificial lawn tile and the drainage deck are made to communicate with each other by making the artificial lawn tile water-permeable. Can be surely given. In some cases, the opening work of the base cloth and the adhesion of the artificial lawn main body and the drainage deck can be efficiently performed at the same time. The structure of the device used is simple, and the operation and the automation of the operation are easy.

[Brief description of drawings]

FIG. 1 is a front view including a partial cross section showing a water-permeable artificial lawn tile manufacturing apparatus of the present invention.

FIG. 2 is a perspective view showing a part of an artificial lawn body of a water-permeable artificial lawn tile separated from a drainage deck.

[Explanation of symbols]

1: Artificial lawn main body 2: Drainage deck 3: Holding means (holding stand) 4: Removal mold 5: Approaching means 6: Heat pin 7: Positioning plate 8: Electric heating plate 9: Heat transfer plate 10: Heat insulating plate 11: Grass part 12: Base cloth 13: Plate 1
4: Legs 15: Opening part 16: Laminated body (artificial grass tile)

Claims (4)

[Claims] 1. A laminated body 16 of an artificial lawn main body 1 comprising a lawn portion 11 and a base cloth portion 12, and a plastic drainage deck 2, which is water-permeable to communicate with the base cloth portion and the drainage deck. In the method of manufacturing a water-permeable artificial lawn tile having openings for holding, the holding means 3 for setting and holding the laminate 16 for forming the openings, and the laminate set in the holding means. A die 4 equipped with a plurality of heat pins 6 for opening the body
And a moving unit 5 that moves the laminated body set in the die-cutting or holding means to form an opening portion in the laminated body, and the heat pin penetrates the position where the laminated body is to be opened. As shown in the figure, attach the heat pin to the die, set the back side of the laminate to the holding means with the heat pin side facing, and use the moving means to penetrate the heat pin from the back side of the laminate to the artificial lawn body. A method for producing a water-permeable artificial lawn tile, comprising forming an opening communicating with the artificial lawn body and the drainage deck. 2. When laminating the artificial lawn main body and the drainage deck, an adhesive layer is sandwiched between the artificial lawn main body and the drainage deck to form a laminated body, and a heat pin is penetrated to the artificial lawn main body to form an opening portion. The method for producing a water-permeable artificial lawn tile according to claim 1, wherein the artificial lawn main body and the drainage deck are adhered by pressing the laminated body while forming the. 3. A drainage deck to be laminated is a drainage deck which already has an opening portion at a desired position, and a heat pin penetrates through the opening portion to the artificial lawn main body to communicate with the laminated body. The method for producing a water-permeable artificial lawn tile according to claim 1 or 2, wherein an opening is formed. 4. A holding means for setting a laminated body of an artificial lawn body consisting of a lawn portion and a base cloth portion and a plastic drainage deck at a predetermined position, a heating plate 8 and a plurality of heat pins. The heat transfer plate 9 and the heat insulating plate 10 that are stacked are moved, and the die that is formed by projecting the tip end of the heat pin to the outside of the heat insulating plate and the laminated body that is set in the die or holding means are moved. A water-permeable artificial lawn tile manufacturing apparatus, comprising: a moving means, wherein a heat pin is passed through the laminate to form an opening communicating with the laminate.