JP2009255283A - Cutting method of glass mat, glass mat cutting tool and glass mat cutting device - Google Patents

Cutting method of glass mat, glass mat cutting tool and glass mat cutting device Download PDF

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JP2009255283A
JP2009255283A JP2009064903A JP2009064903A JP2009255283A JP 2009255283 A JP2009255283 A JP 2009255283A JP 2009064903 A JP2009064903 A JP 2009064903A JP 2009064903 A JP2009064903 A JP 2009064903A JP 2009255283 A JP2009255283 A JP 2009255283A
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glass mat
saw blade
cutting
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mat
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JP4960396B2 (en
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Katsuchika Namekawa
勝力 滑川
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutting method of a glass mat, a glass mat cutting tool and a glass mat cutting device simple and convenient to solve the uneconomical problem and the dangerous problem of manually cutting the glass mat. <P>SOLUTION: A means not to interrupt progressing of a saw blade and lowering of a head end of the saw blade is provided on a cutting table under this method to cut a glass mat layer by the saw blade in an optional direction by setting a sheet or a plural number of sheets of the glass mats on the cutting table of the glass mat. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、ガラスマットの裁断方法、ガラスマット裁断具およびガラスマット裁断装置に関する。本発明のガラスマットの裁断方法は、特にチョップドストランドガラスマット(以下単にガラスマットという)の裁断に適し、FRPの成形材料の1種として広く使用されているガラスマットを経済的に裁断することができる。   The present invention relates to a glass mat cutting method, a glass mat cutting tool, and a glass mat cutting device. The glass mat cutting method of the present invention is particularly suitable for cutting chopped strand glass mats (hereinafter simply referred to as glass mats), and can economically cut glass mats that are widely used as a kind of FRP molding material. it can.

従来、不飽和ポリエステル樹脂をガラス繊維により補強した成形物、いわゆるFRPは各種タンク、容器、ボート、その他の成形物として広く利用されている。FRPの補強材としては各種のガラス繊維が使用されているが、最も広く使用されているのは、ガラスストランドを適当な長さに裁断し、これを無方向性にして適当なバインダーによってマット状にしたものであり、これらのガラスマットは約1mm前後の厚さのもので、幅1040mmまたは1860mmのものをロール状に巻き取った形状となっている。   Conventionally, moldings obtained by reinforcing unsaturated polyester resins with glass fibers, so-called FRPs, are widely used as various tanks, containers, boats, and other moldings. Various glass fibers are used as the reinforcing material for FRP, but the most widely used one is that the glass strand is cut into an appropriate length and made non-directional to form a mat with an appropriate binder. These glass mats have a thickness of about 1 mm and have a width of 1040 mm or 1860 mm wound into a roll.

これらのロール状ガラスマットを実際に使用する場合は、ガラスマットをロールから巻戻して必要なサイズに裁断する。この裁断方法としては、鋭利なカッターナイフや鋏を使用するのが一般的である。このように所望のサイズに裁断したガラスマットを不飽和ポリエステル樹脂で含浸させながら、複数枚を重ね合せることにより目的の成形物が得られる。   When these roll-shaped glass mats are actually used, the glass mat is unwound from the roll and cut into a required size. As this cutting method, it is common to use a sharp cutter knife or scissors. A target molded product can be obtained by overlapping a plurality of sheets while impregnating the glass mat cut into a desired size with the unsaturated polyester resin.

以上の如き従来のガラスマットの裁断方法は、ガラスマットを適当な台の上に置き、カッターナイフや鋏で所望のサイズに人手によってその都度裁断するため、危険であるとともに、多くの労力を要し、非常に不経済であるという欠点がある。
従って、本発明の目的は、ガラスマットを人手により裁断するという不経済性の問題や危険性の問題を解決する簡便なガラスマットの裁断方法、ガラスマット裁断具およびガラスマット裁断装置を提供することである。
The conventional glass mat cutting method as described above is dangerous and requires a lot of labor because the glass mat is placed on a suitable table and manually cut to the desired size each time with a cutter knife or scissors. However, there is a disadvantage that it is very uneconomical.
Accordingly, an object of the present invention is to provide a simple glass mat cutting method, a glass mat cutting tool, and a glass mat cutting device that solve the problem of uneconomical and danger of manually cutting a glass mat. It is.

上記目的は以下の本発明によって達成される。すなわち、本発明は、ガラスマットの裁断台上に、1枚または複数枚のガラスマットを設置し、該ガラスマット層を、鋸刃により任意の方向に裁断する方法において、上記裁断台には、鋸刃の進行と鋸刃の先端の下降を妨げない手段が設けられていることを特徴とするガラスマットの裁断方法を提供する。   The above object is achieved by the present invention described below. That is, the present invention is a method of installing one or a plurality of glass mats on a glass mat cutting table, and cutting the glass mat layer in an arbitrary direction with a saw blade. Provided is a method for cutting a glass mat, characterized in that means for preventing the progress of the saw blade and the lowering of the tip of the saw blade is provided.

上記鋸刃の進行と鋸刃の先端の下降を妨げない手段としては、例えば、裁断台に設けられ、鋸刃の下死点よりも厚い厚さの発泡樹脂板;裁断台に設けられた、鋸刃の厚さよりも広くかつ鋸刃の下死点よりも深い溝を有する台;および基台と該基台面に立設され、その先端部においてガラスマットを支持し得る多数の可撓性棒状体を有する台が挙げられる。   As means for preventing the progress of the saw blade and the lowering of the tip of the saw blade, for example, a foamed resin plate having a thickness thicker than the bottom dead center of the saw blade; provided on the cutting table; A base having a groove wider than the thickness of the saw blade and deeper than the bottom dead center of the saw blade; and a plurality of flexible rods that are erected on the base and the base surface and can support the glass mat at the tip thereof A platform with a body is mentioned.

また、本発明は、駆動源と、該駆動源によって上下動する鋸刃と、該鋸刃の上下動を許容する開口部を有すベースと、前記鋸刃と前記ベースとを連結している連結部とからなり、上記開口部の幅が上記鋸刃の厚さの1.05〜2.0倍であることを特徴とするガラスマット裁断具を提供する。前記ベースの下面には、被裁断マットの逃げを防ぐマット押えが形成されていることが好ましい。   Further, the present invention connects a drive source, a saw blade that moves up and down by the drive source, a base having an opening that allows the saw blade to move up and down, and the saw blade and the base. A glass mat cutting tool comprising a connecting portion, wherein the width of the opening is 1.05 to 2.0 times the thickness of the saw blade. It is preferable that a mat presser for preventing the cut mat from escaping is formed on the lower surface of the base.

また、本発明は、ガラスマットの裁断台と、ガラスマット裁断具と、該ガラスマット裁断具をXY方向に移動させるロボットと、該ロボットの駆動源とからなり、上記ガラスマットの裁断台が、前記の裁断台であり、上記ガラスマット裁断具が前記ガラスマット裁断具であることを特徴とするガラスマット裁断装置を提供する。   Further, the present invention comprises a glass mat cutting table, a glass mat cutting tool, a robot that moves the glass mat cutting tool in the XY direction, and a driving source of the robot, and the glass mat cutting table includes: Provided is a glass mat cutting device, wherein the glass mat cutting device is the glass mat cutting device.

本発明によれば、従来、木質板材の裁断に広く使用されているジグソーのベースを改造したガラスマット裁断具と、特定構成のガラスマット裁断台とを用いることで、ガラスラスマットを人手により裁断するという不経済性の問題や危険性の問題が容易に解決される。   According to the present invention, a glass lath mat is manually cut by using a glass mat cutting tool obtained by modifying a jigsaw base, which has been widely used for cutting wooden boards, and a glass mat cutting table having a specific configuration. The problem of uneconomicalness and danger of doing is easily solved.

本発明の方法を図解的に示す図Schematic illustration of the method of the present invention 本発明の方法を図解的に示す図Schematic illustration of the method of the present invention 本発明のガラスマット裁断具を図解的に示す図The figure which shows the glass mat cutting tool of this invention illustratively 本発明のガラスマット裁断具を図解的に示す図The figure which shows the glass mat cutting tool of this invention illustratively 本発明のガラスマット裁断具のベースを図解的に示す図The figure which shows the base of the glass mat cutting tool of this invention illustratively 従来のジグソーを図解的に示す図Diagram showing a conventional jigsaw

次に発明を実施するための最良の形態を図面を参照してさらに詳しく説明する。図6は、従来広く使用されているジグソーの斜視図である。このような公知のジグソーは、ハウジングに内蔵されたモータと、該モータの回転運動を鋸刃の往復運動に変換する往復運動変換機構と該往復運動変換機構を支持するギヤホルダと、該ギヤホルダまたは前記ハウジングに取りけられたベースとを備えており、該ベースには、鋸刃の往復運動を可能にし、かつ鋸屑を放散させるための開口部が設けられている。   Next, the best mode for carrying out the invention will be described in more detail with reference to the drawings. FIG. 6 is a perspective view of a jigsaw that has been widely used in the past. Such a known jigsaw includes a motor built in a housing, a reciprocating motion converting mechanism that converts the rotational motion of the motor into a reciprocating motion of a saw blade, a gear holder that supports the reciprocating motion converting mechanism, the gear holder, And a base mounted in the housing, the base being provided with an opening for allowing the saw blade to reciprocate and dissipate saw dust.

上記ジクソーは、適当な支持台に支持されたベニヤ板などの板材の端部から切り込み、ベースを板材の表面に押し当てつつ、ジグソーを前進させることで板材を任意の方向に裁断することができる。   The above-mentioned jigsaw can be cut from an end of a plate material such as a veneer plate supported on a suitable support base, and the plate material can be cut in any direction by advancing the jigsaw while pressing the base against the surface of the plate material.

本発明者は、上記ジグソーによるガラスマットの裁断を試みたところ、公知のジグソーでは、鋸刃の上下動によって、柔らかいガラスマットが撓み、裁断が困難であることを認めた。本発明者は、従来公知のジグソーのベースにおける開口部を、図3に示す如く開口部の幅を鋸刃に沿って狭く(鋸刃の厚さの1.05〜2.0倍程度)にし、さらに複数枚のガラスマットを厚い発泡樹脂板面に載置し、図3に示すガラスマット裁断具により発泡樹脂ごとガラスマットを裁断したところ、複数層のガラスマットが見事に奇麗に裁断できることを見いだした。上記において、上記開口部の幅が、鋸刃の幅の1.05倍より小さいと、開口部内における鋸刃の可動性が劣る場合があり、一方、2.0倍よりも大きいと、ガラスマットの裁断面に乱れが発生する場合がある。   The inventor tried to cut the glass mat with the above-mentioned jigsaw, and in the known jigsaw, it was recognized that the soft glass mat was bent by the vertical movement of the saw blade, and the cutting was difficult. The inventor has made the opening of a conventionally known jigsaw base narrower along the saw blade as shown in FIG. 3 (about 1.05 to 2.0 times the thickness of the saw blade). Further, when a plurality of glass mats are placed on a thick foam resin plate surface and the glass mat is cut together with the foam resin by the glass mat cutting tool shown in FIG. 3, the multi-layer glass mat can be cut beautifully. I found it. In the above, if the width of the opening is smaller than 1.05 times the width of the saw blade, the mobility of the saw blade in the opening may be inferior, whereas if larger than 2.0 times, the glass mat In some cases, the cut surface may be disturbed.

ガラスマットを構成するガラス繊維は、10〜300kg/mm2の引張強さを有しており、この引張強さは、他の繊維(羊毛11kg/mm2、木綿34.5kg/mm2、ナイロン30〜60kg/mm2)などの引張強さに比べて著しく大である。ところが、ガラス繊維は、他の繊維に比べて非常に脆く、折れ易いという特徴を有している。 Glass fibers constituting the glass mat has a tensile strength of 10~300kg / mm 2, the tensile strength, other fibers (wool 11 kg / mm 2, cotton 34.5 kg / mm 2, Nylon It is remarkably large as compared with the tensile strength such as 30 to 60 kg / mm 2 ). However, the glass fiber has a feature that it is very brittle compared to other fibers and easily breaks.

本発明は、このガラス繊維の特徴を有効利用したものである。すなわち、上記の開口部面積が大であると、ガラスマット内を上下する鋸刃が上昇する際、ガラス繊維が刃先に掛かり持ち上げられ、ベースの内側端部との間でガラス繊維が屈曲する。この際のガラス繊維の曲率(R)は大きくなるので、ガラス繊維は切れ(折れ)が悪く、マットを奇麗に裁断することができない。これに対して上記開口部の幅を非常に小さくすると、ガラスマット内を上下する鋸刃が上昇する際、同様にガラス繊維が刃先に掛かり持ち上げられ、ベースの内側端部との間でガラス繊維が屈曲するが、この際の曲率Rは非常に小さくなることから、ガラス繊維の引張方向には殆ど力が掛かからず、ガラス繊維が容易に破断し、マットが奇麗に裁断されることを見いだした。   The present invention effectively utilizes the characteristics of this glass fiber. That is, when the opening area is large, when the saw blade moving up and down in the glass mat rises, the glass fiber is hooked and lifted on the blade edge, and the glass fiber is bent between the inner end portion of the base. Since the curvature (R) of the glass fiber at this time becomes large, the glass fiber is not cut (broken) and the mat cannot be cut cleanly. On the other hand, when the width of the opening is made very small, when the saw blade that moves up and down in the glass mat rises, the glass fiber is similarly hung on the blade edge and lifted between the inner end of the base and the glass fiber. However, since the curvature R at this time becomes very small, it is found that almost no force is applied in the tensile direction of the glass fiber, the glass fiber is easily broken, and the mat is cut cleanly. It was.

すなわち、本発明のガラスマットの裁断方法は、ガラスマットの裁断台上に、1枚または複数枚のガラスマットを設置し、該ガラスマット層を、鋸刃により任意の方向に裁断する方法において、上記裁断台には、鋸刃の進行と鋸刃の先端の下降を妨げない手段が設けられていることを特徴としている。本発明の方法をさらに詳しく説明する。   That is, the method for cutting a glass mat according to the present invention is a method in which one or a plurality of glass mats are installed on a glass mat cutting table, and the glass mat layer is cut in an arbitrary direction with a saw blade. The cutting table is provided with means that do not hinder the progress of the saw blade and the lowering of the tip of the saw blade. The method of the present invention will be described in more detail.

本発明では、本発明で使用するマットの裁断台に1つの特徴がある。本発明で使用する裁断台の1例は、図1に示すように、適当な支持台の上に発泡樹脂板を載置したものである。この発泡樹脂板の材質としては、発泡スチロール、発泡ポリウレタン、発泡ポリエチレンなど、何れの発泡体でもよい。以下発泡スチロール板を用いた場合で説明する。発泡スチロール板の厚みは、鋸刃の下死点と、マットの厚みを加えたベースまでの距離と同じか、それよりも厚くする。この発泡スチロール板の面に1枚または複数枚のガラスマットを敷設し、その端部から鋸刃を切り入れ、ベースの下面をマット面に押し当てつつ、ガラスマット裁断具を任意の方向に進行させて、発泡スチロールごとマットを裁断する。   In the present invention, the mat cutting table used in the present invention has one feature. One example of the cutting table used in the present invention is one in which a foamed resin plate is placed on a suitable support table as shown in FIG. The foamed resin plate may be made of any foamed material such as foamed polystyrene, foamed polyurethane, or foamed polyethylene. Hereinafter, the case where a polystyrene foam plate is used will be described. The thickness of the polystyrene foam plate is the same as or thicker than the bottom dead center of the saw blade and the distance to the base including the mat thickness. One or more glass mats are laid on the surface of this expanded polystyrene plate, a saw blade is cut from the end, and the glass mat cutting tool is advanced in any direction while pressing the lower surface of the base against the mat surface. Then cut the mat together with the polystyrene foam.

このような裁断台を使用することにより、ガラスマットを任意の形状に裁断することができる。また、発泡スチロール板は、その最下部で連結していることから、複数回の使用が可能である。さらに発泡スチロール板が、多数の切り込みによって、脆弱になった場合には、その表面に接着剤を塗布したり、またはその上に比較的薄い発泡スチロール板を重ねることで使用回数を増やすことができる。   By using such a cutting table, the glass mat can be cut into an arbitrary shape. Moreover, since the polystyrene board is connected in the lowest part, it can be used several times. Furthermore, when a foamed polystyrene board becomes weak by many cut | incisions, the frequency | count of use can be increased by apply | coating an adhesive agent on the surface, or putting a comparatively thin foamed polystyrene board on it.

本発明で使用する裁断台の他の例を図2aに示す。図2aに示す例は、裁断台に適当な切り込みが設けられている。切り込みの深さは、図1に示す例と同様に、鋸刃の下死点と、マットの厚みを加えたベースまでの距離と同じか、それよりも深く形成する。この裁断台の面に1枚または複数枚のガラスマットを敷設し、その切り込みの端部から鋸刃を切り入れ、ベースの下面をマット面に押し当てつつ、ガラスマット裁断具を切り込み方向と同じ方向に進行させることでマットが裁断される。この例における裁断台は無限回数の使用が可能であり、切り込みの形状が異なる裁断台を複数個用意しておくことで、切り込みに対応したマットの裁断が可能である。   Another example of a cutting table used in the present invention is shown in FIG. 2a. In the example shown in FIG. 2a, a suitable notch is provided in the cutting table. As in the example shown in FIG. 1, the depth of the cut is the same as or deeper than the distance from the bottom dead center of the saw blade to the base including the mat thickness. One or more glass mats are laid on the surface of this cutting table, a saw blade is cut from the end of the notch, and the bottom surface of the base is pressed against the mat surface, while the glass mat cutting tool is the same as the cutting direction. The mat is cut by proceeding in the direction. The cutting table in this example can be used an infinite number of times, and by preparing a plurality of cutting tables having different cut shapes, it is possible to cut a mat corresponding to the cut.

本発明で使用する裁断台のさらに別の例を図2bに示す。前記図1に示す発泡樹脂を裁断台に用いると、マットの裁断時に無数の発泡樹脂の破片が発生するが、図2bに示す例ではこのような課題は発生しない。図2bに示す例は、金属、プラスチック、木材などの基台の表面に、ナイロン、ポリプロピレン、ポリエチレンテレフタレート、ポリ塩化ビニルなどの合成樹脂製で太さ0.5〜5mm程度の可撓性棒状体を剣山の如く(但し先端は尖っていない)多数立設し、その先端部を揃え、先端部にガラスマットを支持可能としたものである。棒状体の長さは、図1に示す例と同様に、鋸刃の下死点と、マットの厚みを加えたベースまでの距離と同じか、それよりも長く形成する。この裁断台の面に1枚または複数枚のガラスマットを敷設し、任意の個所から鋸刃を切り入れ、ベースの下面をマット面に当てつつ、ガラスマット裁断具を任意の方向に進行させることで、鋸刃は可撓性のある棒状体を掻き分けながら進行し、マットが裁断される。この例における裁断台は、無限回数の使用が可能であり、かつマットの裁断方向は任意に変更可能である。   Another example of the cutting table used in the present invention is shown in FIG. When the foamed resin shown in FIG. 1 is used for a cutting table, countless pieces of foamed resin are generated when the mat is cut, but such a problem does not occur in the example shown in FIG. 2b. The example shown in FIG. 2b is a flexible rod-like body made of a synthetic resin such as nylon, polypropylene, polyethylene terephthalate or polyvinyl chloride on the surface of a base such as metal, plastic or wood. As a sword mountain (however, the tip is not sharp), the tip is aligned and the glass mat can be supported at the tip. The length of the rod-shaped body is the same as or longer than the distance from the bottom dead center of the saw blade to the base including the thickness of the mat, as in the example shown in FIG. One or more glass mats are laid on the surface of the cutting table, a saw blade is cut from an arbitrary location, and the glass mat cutting tool is advanced in an arbitrary direction while the lower surface of the base is applied to the mat surface. The saw blade advances while scraping the flexible rod-like body, and the mat is cut. The cutting table in this example can be used an infinite number of times, and the cutting direction of the mat can be arbitrarily changed.

本発明の方法は、上記の如き裁断台を使用することにより、従来のジグソーを用いてもガラスマットを裁断することができるが、従来のジグソーは図6に示すように、その開口部が大面積に形成されており、この大面積開口部であるが故に、鋸刃が上昇または下降する際、柔らかいマットを持ち上げまたは押し下げ、マットの裁断線が不明瞭であり、裁断線がバラバラとなり、しかもガラス繊維の破片が飛び散るという課題がある。本発明は該課題も解決した。   In the method of the present invention, the glass mat can be cut using a conventional jig saw by using the cutting table as described above. However, the conventional jig saw has a large opening as shown in FIG. Due to this large area opening, because of the large area opening, when the saw blade is raised or lowered, the soft mat is lifted or pushed down, the mat cutting line is unclear, the cutting line is broken, and There is a problem that glass fiber fragments are scattered. The present invention has also solved this problem.

すなわち、本発明で使用するガラスマット裁断具は、図3に示すように、駆動源と、該駆動源によって上下動する鋸刃と、該鋸刃の上下動を許容する開口部を有すベースと、前記鋸刃と前記ベースとを連結している連結部とからなり、上記開口部の幅が上記鋸刃の厚さの1.05〜2.0倍であることを特徴としている。このように開口部の幅を非常に狭くすることにより、マットの裁断線近傍の両側が、ベースによってしっかりと押圧され、マット裁断時のガラス繊維の曲率が小さいことから、ガラス繊維は非常に折れ易く、マットの裁断線は奇麗であり、ガラス繊維の破片の飛散量を顕著に少なくすることができる。なお、図3に示す例は、従来のジグソーのベースを図のように変更した本発明のマット裁断具であるが、本発明のマット裁断具は、図4に示すように、従来のジグソーのベースの下面に、図4に示す如きベース部材を取り付けたものであってもよい。   That is, as shown in FIG. 3, the glass mat cutting tool used in the present invention has a drive source, a saw blade that moves up and down by the drive source, and a base that has an opening that allows the saw blade to move up and down. And a connecting portion connecting the saw blade and the base, and the width of the opening is 1.05 to 2.0 times the thickness of the saw blade. By making the width of the opening very narrow in this way, both sides in the vicinity of the cutting line of the mat are firmly pressed by the base, and the curvature of the glass fiber at the time of cutting the mat is small. It is easy and the cutting line of the mat is beautiful, and the amount of scattered glass fiber fragments can be remarkably reduced. The example shown in FIG. 3 is a mat cutting tool of the present invention in which the base of a conventional jigsaw is changed as shown in the figure, but the mat cutting tool of the present invention is a conventional jig cutting machine as shown in FIG. A base member as shown in FIG. 4 may be attached to the lower surface of the base.

なお、本発明のガラスマット裁断具においては、図5に示すようにベースの下面に鋸刃形状のマット押えを設けておくことにより、マットの裁断に際し、マットが鋸刃から逃げるのを防止することができる。また、上記開口部両側のマット押えの間隔を上記開口部幅と同様にすることで、裁断されるガラス繊維の逃げ場がなくなり、マットを形成しているガラス繊維が一層折れ易くなるので好ましい。   In the glass mat cutting tool of the present invention, as shown in FIG. 5, by providing a saw blade shaped mat presser on the lower surface of the base, the mat is prevented from escaping from the saw blade when the mat is cut. be able to. Further, it is preferable to make the distance between the mat pressers on both sides of the opening portion the same as the width of the opening portion, because there is no escape place for the cut glass fibers and the glass fibers forming the mat are more easily broken.

また、本発明は、ガラスマットの裁断台と、ガラスマット裁断具と、該ガラスマット裁断具を水平方向に移動させるロボットアームと、該ロボットアームの駆動源とからなることを特徴とするガラスマット裁断装置を提供する。上記のガラスマットの裁断台として図1、2に示す如き裁断台を使用し、ガラスマット裁断具として、図3、4、5に示すものを使用し、該ガラスマット裁断具をロボットアームに連結し、該ロボットアームによりガラスマット裁断具を作動させることによって、マットの裁断を自動化することができる。   The present invention also includes a glass mat cutting table, a glass mat cutting tool, a robot arm that moves the glass mat cutting tool in a horizontal direction, and a drive source of the robot arm. A cutting device is provided. 1 and 2 are used as the glass mat cutting table, and the glass mat cutting tools shown in FIGS. 3, 4 and 5 are used. The glass mat cutting tool is connected to the robot arm. The mat cutting can be automated by operating the glass mat cutting tool by the robot arm.

以上の如き本発明によれば、従来、木質板材の裁断に広く使用されているジグソーのベースを改造したガラスマット裁断具と特定の裁断台とを用いることで、ガラスマットを人手により裁断するという不経済性の問題や危険性の問題が容易に解決される。   According to the present invention as described above, the glass mat is manually cut by using a glass mat cutting tool obtained by modifying a jigsaw base, which has been widely used for cutting wooden boards, and a specific cutting table. Ineconomic problems and danger problems are easily solved.

Claims (7)

ガラスマットの裁断台上に、1枚または複数枚のガラスマットを設置し、該ガラスマット層を、鋸刃により任意の方向に裁断する方法において、上記裁断台には、鋸刃の進行と鋸刃の先端の下降を妨げない手段が設けられていることを特徴とするガラスマットの裁断方法。   In a method in which one or a plurality of glass mats are installed on a glass mat cutting table and the glass mat layer is cut in an arbitrary direction with a saw blade, the cutting table includes a progression of a saw blade and a saw. A method for cutting a glass mat, characterized in that means for preventing the lowering of the tip of the blade is provided. 前記鋸刃の進行と鋸刃の先端の下降を妨げない手段が、裁断台に設けられ、鋸刃の下死点よりも厚い厚さの発泡樹脂板である請求項1に記載の裁断方法。   2. The cutting method according to claim 1, wherein the means that does not hinder the progress of the saw blade and the lowering of the tip of the saw blade is a foamed resin plate provided on the cutting table and having a thickness thicker than the bottom dead center of the saw blade. 前記鋸刃の進行と鋸刃の先端の下降を妨げない手段が、裁断台に設けられた、鋸刃の厚さよりも広くかつ鋸刃の下死点よりも深い溝である請求項1に記載の裁断方法。   The means that does not hinder the progress of the saw blade and the lowering of the tip of the saw blade is a groove provided in the cutting table that is wider than the thickness of the saw blade and deeper than the bottom dead center of the saw blade. Cutting method. 前記鋸刃の進行と鋸刃の先端の下降を妨げない手段が、基台と該基台面に立設され、その先端部においてガラスマットを支持し得る多数の可撓性棒状体である請求項1に記載の裁断方法。   The means that does not hinder the progress of the saw blade and the lowering of the tip of the saw blade is a base and a large number of flexible rods that are erected on the base surface and can support the glass mat at the tip. The cutting method according to 1. 駆動源と、該駆動源によって上下動する鋸刃と、該鋸刃の上下動を許容する開口部を有すベースと、前記鋸刃と前記ベースとを連結している連結部とからなり、上記開口部の幅が上記鋸刃の厚さの1.05〜2.0倍であることを特徴とするガラスマット裁断具。   A drive source, a saw blade that moves up and down by the drive source, a base having an opening that allows the saw blade to move up and down, and a connecting portion that connects the saw blade and the base; The glass mat cutting tool, wherein the width of the opening is 1.05 to 2.0 times the thickness of the saw blade. 前記ベースの下面には、被裁断マットの逃げを防ぐマット押えが形成されている請求項5に記載のガラスマット裁断具。   The glass mat cutting tool according to claim 5, wherein a mat presser for preventing escape of the mat to be cut is formed on the lower surface of the base. ガラスマットの裁断台と、ガラスマット裁断具と、該ガラスマット裁断具をXY方向に移動させるロボットと、該ロボットの駆動源とからなり、上記ガラスマットの裁断台が、請求項1〜4の何れか1項に記載の裁断台であり、上記ガラスマット裁断具が、請求項5または6に記載のガラスマット裁断具であることを特徴とするガラスマット裁断装置。   A glass mat cutting table, a glass mat cutting tool, a robot that moves the glass mat cutting tool in the X and Y directions, and a driving source of the robot, wherein the glass mat cutting table comprises: 7. A glass mat cutting apparatus according to claim 1, wherein the glass mat cutting tool is the glass mat cutting tool according to claim 5 or 6.
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