JP4792236B2 - Plate-shaped body cutting device - Google Patents

Plate-shaped body cutting device Download PDF

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JP4792236B2
JP4792236B2 JP2005105995A JP2005105995A JP4792236B2 JP 4792236 B2 JP4792236 B2 JP 4792236B2 JP 2005105995 A JP2005105995 A JP 2005105995A JP 2005105995 A JP2005105995 A JP 2005105995A JP 4792236 B2 JP4792236 B2 JP 4792236B2
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cutting
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cutting machine
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JP2006281388A (en
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久善 吉井
征治 関
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Ecoboard Co Ltd
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Ecoboard Co Ltd
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Description

本発明は、複数枚の段ボールを積層一体化した積層段ボール体のような板状体を所定幅の切断片に裁断する板状体の裁断装置に関する。   The present invention relates to a cutting device for a plate-like body that cuts a plate-like body such as a laminated corrugated board obtained by laminating and integrating a plurality of cardboards into a cut piece having a predetermined width.

従来、複数枚の段ボールを積層一体化した積層段ボール体のような板状体を所定幅の切断片に裁断する板状体の裁断装置は、板状体をその横方向の切断線に沿って切断する裁断機を有し、その裁断機は、前記切断線に沿って切り込む回転カッタを備えた構造を有している（例えば特許文献１参照）。
特開２００１−１２１４６９号公報 2. Description of the Related Art Conventionally, a cutting device for a plate-like body that cuts a plate-like body, such as a laminated corrugated board body obtained by laminating and integrating a plurality of cardboards, into a cut piece having a predetermined width, The cutting machine has a structure including a rotary cutter that cuts along the cutting line (see, for example, Patent Document 1).
JP 2001-121469 A

ところが、前記裁断装置によれば、板状体の裁断時、裁断機の回転カッタの移動ストロークは板状体の横方向全幅にわたるため、裁断に要する時間が長くなるうえに、前記回転カッタが板状体との摩擦による発熱で変形して裁断寸法の精度を低下させることがある。この回転カッタの変形は、回転カッタによる裁断速度を上げると、発熱量の増加によって一層顕著な現象として現われるので、裁断速度を大きくして裁断能力を上げることができない。また、回転カッタの頻繁な交換を余儀なくされ、裁断作業の中断によって裁断能力が低下する。   However, according to the cutting apparatus, when the plate-like body is cut, the moving stroke of the rotary cutter of the cutting machine extends over the entire width in the lateral direction of the plate-like body. It may be deformed due to heat generated by friction with the body and reduce the accuracy of the cut dimensions. The deformation of the rotating cutter appears as a more prominent phenomenon when the cutting speed by the rotating cutter is increased, so that the cutting ability cannot be increased by increasing the cutting speed. In addition, frequent replacement of the rotary cutter is required, and the cutting ability is reduced by interruption of the cutting operation.

そこで、本発明は、裁断に要する時間を短縮でき、しかも裁断機に備えられた回転カッタの変形が起こらない板状体の裁断装置を提供することを目的とする。   Accordingly, an object of the present invention is to provide a plate-like cutting apparatus that can shorten the time required for cutting and that does not cause deformation of a rotary cutter provided in the cutting machine.

上記目的を達成するために、本発明に係る板状体の裁断装置は、板状体を横方向の切断線に沿って切断する装置であって、前記板状体を縦方向に合致した送り方向に移動させるプッシャと、回転カッタを有し、前記板状体を一側方から前記切断線に沿って中央部付近まで第１方向に切り込む第１の裁断機と、回転カッタを有し、前記板状体の他側方から前記切断線に沿って中央部付近まで第１方向と反対の第２方向に切り込む第２の裁断機と、前記両裁断機を前記切断線間の間隔に対応する分だけ前記送り方向にずらせた状態で同時に裁断動作させて停止状態の前記板状体を切り込み、つづいて、前記プッシャを作動させて前記板状体を前記送り方向に前記間隔だけ移動させたのち停止させるプッシャ動作を行い、このプッシャ動作につづいて前記裁断動作を行い、前記プッシャ動作と裁断動作を繰り返して、前記板状体を裁断させるコントローラとを備えている。 In order to achieve the above object, a plate-like body cutting device according to the present invention is a device for cutting a plate-like body along a transverse cutting line, and feeds the plate-like body in the longitudinal direction. A pusher that moves in a direction, a rotating cutter, a first cutting machine that cuts the plate-like body in a first direction from one side to the vicinity of the center along the cutting line, and a rotating cutter, A second cutting machine that cuts in the second direction opposite to the first direction from the other side of the plate-like body to the vicinity of the center along the cutting line, and the two cutting machines corresponding to the distance between the cutting lines The plate-like body in the stopped state is cut simultaneously by shifting the feed-direction in the feed direction, and then the plate-like body in the stopped state is cut, and then the pusher is operated to move the plate-like body by the distance in the feed direction. After that, perform the pusher operation to stop and continue with this pusher operation. It performs the cutting operation, by repeating the pusher operation and cutting operation, and a controller for cutting the plate-like body.

この構成によれば、裁断される板状体は、その横方向の切断線に沿って両側から第１の裁断機、および第２の裁断機によって中央部付近まで切り込まれる。したがって、前記第１および第２の裁断機の移動ストロークは、いずれも前記板状体における横方向の切断線の半分、つまり、従来の裁断機の半分の移動ストロークとなる。これにより、裁断時間が短縮され、裁断効率が向上する。また、裁断機の移動ストロークが短くなることで、裁断時に裁断機が受ける熱影響が減少するため、限界熱量になるまで、裁断機の移動速度を上げることが可能となり、さらに裁断効率を向上させることができる。   According to this configuration, the plate-like body to be cut is cut to the vicinity of the central portion from both sides along the horizontal cutting line by the first cutting machine and the second cutting machine. Therefore, the movement strokes of the first and second cutting machines are both half of the horizontal cutting line in the plate-like body, that is, half the movement stroke of the conventional cutting machine. Thereby, cutting time is shortened and cutting efficiency improves. In addition, since the moving stroke of the cutting machine is shortened, the thermal effect of the cutting machine during cutting is reduced, so that the moving speed of the cutting machine can be increased until the limit heat amount is reached, and the cutting efficiency is further improved. be able to.

本発明において、好ましくは、前記各裁断機は、複数の切断線に沿って切り込む回転カッタを有し、各回転カッタは切断方向に沿って偏位した軸心を有している。
In the present invention , preferably , each of the cutters has a rotary cutter that cuts along a plurality of cutting lines, and each rotary cutter has an axis that is displaced along the cutting direction.

この構成によれば、裁断時、板状体は複数の切断線に沿って切り込まれるので、従来のように一つの切断線に沿って切り込まれる場合に比べ、裁断効率が倍増する。また、複数の切断線に沿って切り込む各回転カッタは切断方向に沿って偏位した軸心を有しているので、前記複数の回転カッタ間への裁断した板状片の挟み込みがなくなり、裁断時、前記回転カッタに発生する発熱が軽減する。このことにより、前記回転カッタの熱変形を防止でき、回転カッタによる裁断速度を高めて、裁断効率をさらに向上させることができる。   According to this configuration, since the plate-like body is cut along a plurality of cutting lines at the time of cutting, cutting efficiency is doubled as compared with the case of cutting along a single cutting line as in the prior art. In addition, since each rotary cutter cut along the plurality of cutting lines has an axial center displaced along the cutting direction, the cut plate-like piece is not caught between the plurality of rotary cutters, and the cutting is performed. At this time, heat generated in the rotating cutter is reduced. As a result, thermal deformation of the rotating cutter can be prevented, cutting speed by the rotating cutter can be increased, and cutting efficiency can be further improved.

本発明の好ましい実施形態では、さらに、前記複数の回転カッタによる切断線間の間隔を変更するピッチ調整機構を有している。   In a preferred embodiment of the present invention, there is further provided a pitch adjusting mechanism for changing an interval between cutting lines by the plurality of rotary cutters.

この構成によれば、ピッチ調整機構により複数の回転カッタによる切断線間の間隔を変更することができるので、板状体を任意の幅の板状片に容易に裁断することができる。   According to this configuration, since the interval between the cutting lines by the plurality of rotary cutters can be changed by the pitch adjusting mechanism, the plate-like body can be easily cut into plate-like pieces having an arbitrary width.

本発明に係る板状体の裁断装置によれば、板状体裁断時に発生する熱により裁断機が受ける影響を減少させ、限界熱量になるまで、裁断機による板状体の裁断速度を上げることが可能となり、裁断効率を向上させることができる。   According to the cutting apparatus for a plate-like body according to the present invention, the influence of the cutting machine due to the heat generated at the time of cutting the plate-like body is reduced, and the cutting speed of the plate-like body by the cutting machine is increased until reaching the limit heat amount. And cutting efficiency can be improved.

以下、本発明の好ましい実施形態について図面を参照しながら説明する。本発明の第１実施形態に係る板状体の裁断装置は、図９に示すような段ボール製の板状体１の切断に用いられる。板状体１は、波形板からなる芯材２１にライナ２２を接合してなる段ボール２を複数積層して一体化した積層段ボールからなる平板状の部材である。板状体１は、段ボール２の波形板の稜線ａに沿った縦方向Ｄ１に長尺とされており、裁断装置によって縦方向Ｄ１と直交する横方向Ｄ２の切断線ｂに沿って複数に切断されて、積層段ボールからなる切断片１ａを作るのに使用される。なお、前記板状体１には、段ボールからなる平板状部材の他、木材のような平板状部材も含まれる。   Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. The plate-like body cutting device according to the first embodiment of the present invention is used for cutting a corrugated plate-like body 1 as shown in FIG. The plate-like body 1 is a flat plate member made of laminated cardboard in which a plurality of cardboards 2 formed by joining a liner 22 to a core material 21 made of a corrugated plate are laminated and integrated. The plate-like body 1 is elongated in the longitudinal direction D1 along the ridge line a of the corrugated board of the corrugated cardboard 2, and is cut into a plurality along the cutting line b in the transverse direction D2 orthogonal to the longitudinal direction D1 by a cutting device. And used to make a cut piece 1a made of laminated cardboard. The plate-like body 1 includes not only a flat plate member made of cardboard but also a flat plate member such as wood.

図１に示す平面図において、板状体１は、架台７上に載置され、プッシャ３の押出しによって板状体の縦方向Ｄ１に沿った前方向Ｆに送り出され、縦方向Ｄ１と直交する横方向Ｄ２に合致した切断線Ｐ１ないしＰ６に沿って切断片１ａに切断される。Ｐ１ないしＰ６の間隔（裁断ピッチ）ｔは同一である。前記プッシャ３は、架台７上に載置されており、プッシャ駆動機構３５により、縦方向Ｄ１に沿って移動する。プッシャ３には、架台７の横方向に延びた回転軸３１が軸受３２ａ，３２ｂを介して連結されている。前記回転軸３１の両端にピニオン３４ａ，３４ｂが固定され、このピニオン３４ａ，３４ｂと前記架台７の両側に設けられたラック３３ａ，３３ｂとが噛み合っている。   In the plan view shown in FIG. 1, the plate-like body 1 is placed on the gantry 7, and is sent out in the front direction F along the longitudinal direction D <b> 1 of the plate-like body by the pusher 3, and is orthogonal to the longitudinal direction D <b> 1. The cut piece 1a is cut along cutting lines P1 to P6 that match the horizontal direction D2. The interval (cutting pitch) t between P1 and P6 is the same. The pusher 3 is placed on the gantry 7 and is moved along the vertical direction D1 by the pusher drive mechanism 35. A rotary shaft 31 extending in the lateral direction of the gantry 7 is connected to the pusher 3 via bearings 32a and 32b. Pinions 34 a and 34 b are fixed to both ends of the rotating shaft 31, and the pinions 34 a and 34 b mesh with racks 33 a and 33 b provided on both sides of the gantry 7.

一方（右側）のピニオン３４ｂには、プッシャ３に固定したブラケット３６に支持されたモータ３７が連結され、このモータ３７の駆動力により両ピニオン３４ａ，３４ｂが回転して、プッシャ３をラック３３ａ，３３ｂに沿って前記送り方向Ｆに前進させる。   A motor 37 supported by a bracket 36 fixed to the pusher 3 is connected to one (right side) pinion 34b, and both the pinions 34a and 34b are rotated by the driving force of the motor 37 so that the pusher 3 is mounted on the rack 33a, Advancing in the feed direction F along 33b.

図２に示すように、前記架台７を跨いで上方には第１の支持ビーム４Ａが載置され、この支持ビーム４Ａに下向きに第１の裁断機５Ａが支持され、同様に、前記架台７を跨いで上方に第２の支持ビーム４Ｂが載置され、この支持ビーム４Ｂに下向きに第２の裁断機５Ｂが支持されている。前記第１および第２の支持ビーム４Ａ，４Ｂは送り方向Ｆと直交する横方向Ｄ２に延びている。   As shown in FIG. 2, the first support beam 4A is placed on the upper side across the gantry 7, and the first cutting machine 5A is supported downward on the support beam 4A. Similarly, the gantry 7 The second support beam 4B is placed on the upper side of the second cutting machine 5B, and the second cutting machine 5B is supported downward on the support beam 4B. The first and second support beams 4A and 4B extend in a lateral direction D2 orthogonal to the feed direction F.

前記第１の裁断機５Ａおよび第２の裁断機５Ｂは、裁断開始前には図１に示すように、第１の支持ビーム４Ａの一端側（左端側）および第２の支持ビーム４Ｂの他端側（右端側）にそれぞれ位置しており、この位置を原点位置として、第１の支持ビーム４Ａおよび第２の支持ビーム４Ｂ上を、図４および図５に示すように、板状体１の中央部にまで達する移動ストロークＳ１Ａ，Ｓ１Ｂ分だけ移動して板状体１の裁断を行い、裁断後に前記原点位置に戻るようになっている。   As shown in FIG. 1, the first cutting machine 5A and the second cutting machine 5B are arranged on one end side (left end side) of the first support beam 4A and the second support beam 4B before starting cutting. As shown in FIG. 4 and FIG. 5, the plate-like body 1 is located on the end side (right end side), and this position is set as the origin position and the first support beam 4A and the second support beam 4B are shown. The plate-like body 1 is cut by moving by the moving strokes S1A and S1B reaching the center of the plate, and returns to the original position after cutting.

前記支持ビーム４Ａには、図３の背面図に示すように、その両端にスプロケット４１ａ，４１ａが設けられ、これらスプロケット４１ａ，４１ａの間に、両端が第１の裁断機５Ａのベース５０に連結されたチェーン４２ａが架け渡されている。一方のスプロケット４１ａは、支持ビーム４Ａに設置されたモータのような第１の走行駆動機６０Ａにより、回転駆動され、これによってチェーン４２ａを走行させることで、第１の裁断機５Ａを移動させる。   As shown in the rear view of FIG. 3, the support beam 4A is provided with sprockets 41a and 41a at both ends, and both ends are connected to the base 50 of the first cutting machine 5A between the sprockets 41a and 41a. The chain 42a is suspended. One sprocket 41a is rotationally driven by a first traveling drive machine 60A such as a motor installed on the support beam 4A, thereby moving the first cutting machine 5A by traveling the chain 42a.

図２に示すように、第１の支持ビーム４Ａにはガイド４１ｃが固定され、ガイド４１ｃを上下方向から抱持するころ４１ｄが第１の裁断機５Ａのベース５０に取り付けられている。ころ４１ｄは、例えば上下一対のものが横方向Ｄ２（図１）に２組並設されている。このようにして、前記チェーン４２ａが動くことで、前記第１の裁断機５Ａが支持ビーム４Ａ上を横方向Ｄ２に移動ストロークＳ１Ａ分だけ移動できるようになっている。   As shown in FIG. 2, a guide 41c is fixed to the first support beam 4A, and a roller 41d that holds the guide 41c in the vertical direction is attached to the base 50 of the first cutting machine 5A. For example, two pairs of rollers 41d are arranged in parallel in the lateral direction D2 (FIG. 1). Thus, by moving the chain 42a, the first cutting machine 5A can move on the support beam 4A in the lateral direction D2 by the moving stroke S1A.

また、第１の支持ビーム４Ａおよび第１の裁断機５Ａと同様に、第２の支持ビーム４Ｂおよび第２の裁断機５Ｂにも、ガイド４２ｃと、ころ４２ｄがそれぞれ取り付けられて、前記チェーン４２ｂが動くことで、前記第２の裁断機５Ｂが支持ビーム４Ｂ上を左右に移動ストロークＳ１Ｂ分だけ移動できるようになっている。   Similarly to the first support beam 4A and the first cutting machine 5A, a guide 42c and a roller 42d are attached to the second support beam 4B and the second cutting machine 5B, respectively, and the chain 42b. The second cutting machine 5B can move left and right on the support beam 4B by the movement stroke S1B.

同様に、図１の第２の前記支持ビーム４Ｂにも、図３の背面図に示すように、その両端にスプロケット４１ｂ，４１ｂが設けられ、これらスプロケット４１ｂ，４１ｂの間に、両端が第２の裁断機５Ｂのベース５０に連結された介してチェーン４２ｂが架け渡されている。支持ビーム４Ｂに設置された第２の走行駆動機６０Ｂが一方のスプロケット４１ｂを回転駆動して、チェーン４２ｂを走行させることで、第２の裁断機５Ｂを移動させる。   Similarly, as shown in the rear view of FIG. 3, the second support beam 4B of FIG. 1 is also provided with sprockets 41b and 41b at both ends thereof, and both ends of the second support beam 4B are second between the sprockets 41b and 41b. A chain 42b is laid over the base 50 of the cutting machine 5B. The second traveling drive machine 60B installed on the support beam 4B rotationally drives one sprocket 41b to travel the chain 42b, thereby moving the second cutting machine 5B.

前記第１の裁断機５Ａは、２つの切断線Ｐ１, Ｐ２に沿って切り込む２つの回転カッタ５１ａ，５１ｂを備え、これら各回転カッタ５１ａ，５１ｂは、切断方向（横方向Ｄ２）に沿って偏位した軸心５１ｃ，５１ｄを持つモータＭ１，Ｍ２の駆動軸の先端に固定されている。回転駆動機であるモータＭ１，Ｍ２は、ベース５０に支持されている。前記回転カッタ５１ａ，５１ｂは、後述するピッチ調整機構５６により、送り方向Ｆに合致する縦方向Ｄ１に移動可能となっており、第２の裁断機５Ｂも同様である。   The first cutting machine 5A includes two rotary cutters 51a and 51b that cut along two cutting lines P1 and P2, and these rotary cutters 51a and 51b are offset along the cutting direction (lateral direction D2). The motors M1 and M2 having the center axes 51c and 51d are fixed to the front ends of the drive shafts. Motors M <b> 1 and M <b> 2 that are rotary drive machines are supported by the base 50. The rotary cutters 51a and 51b can be moved in the vertical direction D1 that matches the feed direction F by a pitch adjusting mechanism 56 described later, and the second cutter 5B is also the same.

前記軸心５１ｃ，５１ｄのずれの距離は、図３に示すように、α１となっている。このため、第１の裁断機５Ａでは、外側の回転カッタ５１ｂが図１に示す板状体１の横方向の切断線Ｐ２に沿って板状体１の中央部位付近まで切り込むように設定しておくことで、板状体１に近い内側の回転カッタ５１ａは前記中央部位を超えてα１分加えた長さだけ多く切り込む。   The displacement distance between the shaft centers 51c and 51d is α1, as shown in FIG. Therefore, in the first cutting machine 5A, the outer rotary cutter 51b is set so as to cut near the central portion of the plate-like body 1 along the horizontal cutting line P2 of the plate-like body 1 shown in FIG. As a result, the inner rotary cutter 51a close to the plate-like body 1 is cut by a length of α1 beyond the central portion.

同様に、前記第２の裁断機５Ｂは、２つの切断線Ｐ３, Ｐ４に沿って切り込む２つの回転カッタ５２ａ，５２ｂを備え、これら各回転カッタ５２ａ，５２ｂは切断方向（横方向Ｄ２）に沿って偏位した軸心５２ｃ，５２ｄを持つモータＭ３，Ｍ４の駆動軸の先端に固定されている。回転駆動機であるモータＭ３，Ｍ４は、ベース５０に支持されている。   Similarly, the second cutting machine 5B includes two rotary cutters 52a and 52b that cut along two cutting lines P3 and P4, and each of these rotary cutters 52a and 52b extends along the cutting direction (lateral direction D2). Are fixed to the tips of the drive shafts of the motors M3 and M4 having the shaft centers 52c and 52d that are displaced. Motors M3 and M4, which are rotary drive machines, are supported by the base 50.

第２の裁断機５Ｂの軸心５２ｃ，５２ｄのずれの距離は、図３に示すように、α２となっている。このため、第２の裁断機５Ｂでは、外側の回転カッタ５２ｂが図１に示す板状体１の横方向の切断線Ｐ３に沿って板状体１の中央部位付近まで切り込むように設定しておくことで、板状体１に近い内側の回転カッタ５２ａは前記中央部位を超えてα２分加えた長さだけ多く切り込む。   The distance of deviation between the axial centers 52c and 52d of the second cutting machine 5B is α2, as shown in FIG. For this reason, in the second cutting machine 5B, the outer rotary cutter 52b is set to cut to the vicinity of the central portion of the plate-like body 1 along the horizontal cutting line P3 of the plate-like body 1 shown in FIG. As a result, the inner rotary cutter 52a close to the plate-like body 1 is cut by a length of α2 beyond the central portion.

図２に示すように、回転カッタ５１ａ，５１ｂは板状体１を切断するとき、前記カッタ５１ａ，５１ｂの下部は、架台７に設けた溝５３ａ，５３ｂ内に入り込み、同様に、回転カッタ５２ａ，５２ｂの下部は、架台７に設けた溝５４ａ，５４ｂ内に入り込む。これらの溝５３ａ，５３ｂの間隔および溝５４ａ，５４ｂの間隔は、いずれも板状体１の裁断ピッチｔと同一である。   As shown in FIG. 2, when the rotary cutters 51a and 51b cut the plate-like body 1, the lower portions of the cutters 51a and 51b enter into the grooves 53a and 53b provided in the frame 7, and similarly, the rotary cutter 52a. , 52b enters the grooves 54a, 54b provided in the gantry 7. The interval between the grooves 53a and 53b and the interval between the grooves 54a and 54b are the same as the cutting pitch t of the plate-like body 1.

図６に示すように、このピッチ調整機構５６は、第１の裁断機５Ａのベース５０に形成した蟻溝５３Ａ，５３Ｂと、モータＭ１，Ｍ２をそれぞれ支持し、蟻溝５３Ａ，５３Ｂに縦方向Ｄ１に摺動自在に嵌合したスライド体５４Ａ，５４Ｂと、このスライド体５４Ａ，５４Ｂの雌ねじ孔に螺合したねじ棒５５Ａ，５５Ｂと、ねじ棒５５Ａ，５５Ｂを回転駆動するモータからなる調整用駆動機５６Ａ，５６Ｂとを備えている。ベース５０に装着された調整用駆動機５６Ａ，５６Ｂにより、ねじ棒５５Ａ，５５Ｂを回転させてスライド体５４Ａ，５４Ｂを縦方向Ｄ１にスライドさせることで、スライド体５４Ａ，５４Ｂと一体のモータＭ１，Ｍ２を縦方向Ｄ１方向に移動させて裁断ピッチｔを調整する。第２の裁断機５Ｂにも同様のピッチ調整機構５６が設けられている。   As shown in FIG. 6, the pitch adjusting mechanism 56 supports the dovetail grooves 53A and 53B formed in the base 50 of the first cutting machine 5A and the motors M1 and M2, respectively. For adjustment, comprising slide bodies 54A and 54B slidably fitted to D1, screw rods 55A and 55B screwed into the female screw holes of the slide bodies 54A and 54B, and a motor for rotationally driving the screw rods 55A and 55B Drive units 56A and 56B are provided. By rotating the screw rods 55A and 55B and sliding the slide bodies 54A and 54B in the vertical direction D1 by the adjusting drive units 56A and 56B mounted on the base 50, the motor M1 integrated with the slide bodies 54A and 54B is obtained. The cutting pitch t is adjusted by moving M2 in the vertical direction D1. A similar pitch adjusting mechanism 56 is also provided in the second cutting machine 5B.

前記第１の裁断機５Ａ，第２の裁断機５Ｂ，プッシャ駆動機構３５およびピッチ調整機構５６はコントローラ６２によって制御される。   The first cutting machine 5A, the second cutting machine 5B, the pusher drive mechanism 35 and the pitch adjustment mechanism 56 are controlled by a controller 62.

次に、前記板状体の裁断装置による板状体の切断動作について説明する。まず、切断動作のスタートにあたり、板状体１を架台７上の所定位置に載せる。   Next, the cutting operation of the plate-like body by the plate-like body cutting device will be described. First, at the start of the cutting operation, the plate-like body 1 is placed on a predetermined position on the gantry 7.

つぎに、図１の板状体１の裁断ピッチｔをピッチ調整機構５６により、所望のピッチｔになるように調整する。さらに、図１のピッチ調整機構５６により、第１の裁断機５ＡのモータＭ１，Ｍ２の両方を送り方向Ｆに２ｔだけ前進させて二点鎖線で示す位置に設定しておく。つづいて、プッシャ３をプッシャ駆動機構３５により送り方向Ｆに移動させて板状体１を前進させる。板状体１の先端を所定位置まで前進させて停止させ、第１の裁断機５Ａを、回転カッタ５１ａ，５１ｂを回転させながら原点位置から板状体１の中央部位付近までＳ１Ａだけ移動させる。このとき、内側の前記第１の裁断機５Ａの回転カッタ５１ａは、外側の回転カッタ５１ｂに比べα１分だけ板状体１に近い位置にあるので、図１の板状体１の横方向の切断線Ｐ１に沿って切断するとき、板状体１の中央部位を若干超えた部分まで切断する。   Next, the cutting pitch t of the plate-like body 1 in FIG. 1 is adjusted by the pitch adjusting mechanism 56 so as to be a desired pitch t. Further, both the motors M1 and M2 of the first cutting machine 5A are advanced by 2t in the feed direction F by the pitch adjusting mechanism 56 of FIG. Subsequently, the pusher 3 is moved in the feed direction F by the pusher drive mechanism 35 to advance the plate-like body 1. The tip of the plate-like body 1 is advanced to a predetermined position and stopped, and the first cutting machine 5A is moved by S1A from the origin position to the vicinity of the central portion of the plate-like body 1 while rotating the rotary cutters 51a and 51b. At this time, the rotary cutter 51a of the first cutting machine 5A on the inner side is closer to the plate-like body 1 by α1 than the outer rotary cutter 51b, so that the lateral direction of the plate-like body 1 in FIG. When cutting along the cutting line P <b> 1, the plate-like body 1 is cut to a portion slightly beyond the central portion.

一方、外側の回転カッタ５１ｂは、回転カッタ５１ａに比べα１分だけ板状体から遠い位置にあるので、板状体１の横方向の切断線Ｐ２に沿って切断するとき、前記回転カッタ５１ａによる切り込みよりもα１分だけ少ない切り込みとなって、板状体１の略中央部位付近まで切断する。このときの回転カッタ５１ａ，５１ｂの原点位置との位置関係は図４に示すとおりである。その後、前記第１の裁断機５Ａは実線で示す原点位置まで戻る（第１工程）。   On the other hand, the outer rotary cutter 51b is farther from the plate-like body by α1 than the rotary cutter 51a. Therefore, when cutting along the transverse cutting line P2 of the plate-like body 1, the outer rotary cutter 51b is driven by the rotary cutter 51a. A cut is made by α1 less than the cut, and the plate-like body 1 is cut to the vicinity of a substantially central portion. The positional relationship with the origin positions of the rotating cutters 51a and 51b at this time is as shown in FIG. Thereafter, the first cutting machine 5A returns to the origin position indicated by the solid line (first step).

つぎに、第１の裁断機５Ａは、図１に示すように、ピッチ調整機構５６の作動により、２ｔ（裁断幅ｔ×２）だけ後方（図１の右側）に移動し、待機する（第２工程）。   Next, as shown in FIG. 1, the first cutting machine 5 </ b> A moves backward (right side in FIG. 1) by 2t (cutting width t × 2) by the operation of the pitch adjusting mechanism 56, and waits (first). 2 steps).

第１の裁断機５Ａおよび第２の裁断機５Ｂを同時に板状体の中央部位まで移動させることにより、回転カッタ５１ａ，５１ｂ，５２ａ，５２ｂにより裁断し、原点位置まで戻る（第３工程）。前記第２の裁断機５Ｂは、第１工程で第１の裁断機５Ａが裁断した中央部付近までの左半分の切断線Ｐ１に合致した切断線Ｐ３に沿って右半分を裁断し、前記切断線Ｐ１とＰ３とで、板状体１を完全に切断する。これにより、切断片１ａ（図９）が切り出される。このとき、第２の裁断機５Ｂの回転カッタ５２ａ，５２ｂの原点位置との位置関係は図５に示すとおりである。一方、第１の裁断機５Ａは、切断線Ｐ４よりも裁断ピッチｔだけ後方にずれた切断線Ｐ５と、切断線Ｐ５よりもｔだけ後方の切断線Ｐ６とを切断する。   By simultaneously moving the first cutting machine 5A and the second cutting machine 5B to the central portion of the plate-like body, cutting is performed by the rotary cutters 51a, 51b, 52a, 52b, and the original cutting position is returned (third step). The second cutting machine 5B cuts the right half along the cutting line P3 that coincides with the cutting line P1 of the left half up to the vicinity of the central part cut by the first cutting machine 5A in the first step, and cuts the right half. The plate-like body 1 is completely cut by the lines P1 and P3. Thereby, the cut piece 1a (FIG. 9) is cut out. At this time, the positional relationship with the origin positions of the rotary cutters 52a and 52b of the second cutting machine 5B is as shown in FIG. On the other hand, the first cutting machine 5A cuts the cutting line P5 shifted rearward by the cutting pitch t from the cutting line P4 and the cutting line P6 rearward by t from the cutting line P5.

つづいて、板状体２がプッシャによって２ｔ（裁断幅ｔ×２）だけ送り方向Ｆに移動する（第４工程）。   Subsequently, the plate-like body 2 is moved by the pusher in the feed direction F by 2t (cutting width t × 2) (fourth step).

第１の裁断機５Ａおよび第２の裁断機５Ｂが同時に板状体の中央部位まで移動し、回転カッタ５１ａ，５１ｂおよび５２ａ，５２ｂにより、図７に示す新たな切断線Ｐ７〜Ｐ１０に沿って裁断し、裁断後には速やかに原点位置に戻る（第５工程）。切断線Ｐ７，Ｐ８は切断線Ｐ５，Ｐ６に合致している。   The first cutting machine 5A and the second cutting machine 5B are simultaneously moved to the central portion of the plate-like body, and along the new cutting lines P7 to P10 shown in FIG. 7 by the rotary cutters 51a, 51b and 52a, 52b. Cut and immediately return to the original position after cutting (fifth step). The cutting lines P7 and P8 coincide with the cutting lines P5 and P6.

第４工程〜第５工程を繰り返す。この反復は、第１の裁断機５Ａが板状体１の最後の切断部位を裁断するまで継続される。   The fourth to fifth steps are repeated. This repetition is continued until the first cutting machine 5A cuts the last cutting site of the plate-like body 1.

第１の裁断機５Ａが最後の裁断を完了したのち、第２の裁断機５Ｂのみが板状体１の中央部位まで裁断すると、前記第１の裁断機５Ａによる最後の裁断が既に完了している部分とにより、最後の切断片１ａ（図９）が得られ、切断が完了する（第６工程）。   After the first cutting machine 5A completes the last cutting, if only the second cutting machine 5B cuts to the central portion of the plate-like body 1, the last cutting by the first cutting machine 5A has already been completed. The last cut piece 1a (FIG. 9) is obtained by the portion being present, and the cutting is completed (sixth step).

以上のように、第１実施形態に係る裁断装置によれば、第１の裁断機５Ａおよび第２の裁断機５Ｂは、いずれも板状体１の略中央部位まで切り込むもので、その移動ストロークＳ１Ａ，Ｓ１Ｂは板状体１の横幅の半分となるので、裁断時間が短くなって、裁断効率が向上する。   As described above, according to the cutting apparatus according to the first embodiment, the first cutting machine 5A and the second cutting machine 5B both cut to a substantially central portion of the plate-like body 1 and its moving stroke. Since S1A and S1B are half the width of the plate-like body 1, the cutting time is shortened and the cutting efficiency is improved.

また、移動ストロークＳ１Ａ，Ｓ１Ｂが半分となって従来に比べて大幅に減少するので、裁断時に回転カッタ５１ａ，５１ｂおよび５２ａ，５２ｂと板状体１との摩擦による発熱量が減少する。したがって、前記第１の裁断機５Ａおよび第２の裁断機５Ｂの回転カッタ５１ａ，５１ｂおよび回転カッタ５２ａ，５２ｂが発熱により歪んだり変形するのを抑制できる。   Further, since the movement strokes S1A and S1B are halved and greatly reduced as compared with the prior art, the amount of heat generated by friction between the rotary cutters 51a, 51b and 52a, 52b and the plate-like body 1 is reduced during cutting. Therefore, it is possible to suppress the rotation cutters 51a and 51b and the rotation cutters 52a and 52b of the first cutting machine 5A and the second cutting machine 5B from being distorted or deformed by heat generation.

また、裁断時に、第１の裁断機５Ａの回転カッタ５１ａ，５１ｂおよび第２の裁断機５Ｂの回転カッタ５２ａ，５２ｂが受ける熱影響が減少するため、限界熱量になるまで、第１の裁断機５Ａおよび第２の裁断機５Ｂの移動速度を上げることが可能となり、裁断効率を向上させることができる。   In addition, since the thermal effects received by the rotating cutters 51a and 51b of the first cutting machine 5A and the rotating cutters 52a and 52b of the second cutting machine 5B during cutting are reduced, the first cutting machine is used until the limit heat amount is reached. The moving speed of 5A and the 2nd cutting machine 5B can be raised, and cutting efficiency can be improved.

裁断時、板状体１は、複数の切断線Ｐ１〜Ｐ１０に沿って各裁断機５Ａ，５Ｂの複数の回転カッタ５１ａ，５１ｂ，５２ａ，５２ｂにより切り込まれるので、従来のように一つの切断線に沿って切り込まれる場合に比べ、裁断効率が倍増する。   At the time of cutting, the plate-like body 1 is cut by a plurality of rotary cutters 51a, 51b, 52a, 52b of the cutting machines 5A, 5B along a plurality of cutting lines P1 to P10. Cutting efficiency is doubled compared to the case of cutting along the line.

また、複数の切断線Ｐ１〜Ｐ１０に沿って切り込む各回転カッタ５１ａ，５１ｂおよび５２ａ，５２ｂは、相互間で切断方向Ｄ２に沿って、偏位した軸心を有しているので、回転カッタ５１ａ，５１ｂ間または回転カッタ５２ａ，５２ｂ間に裁断された切断片１ａの挟み込みがなくなる。したがって、この挟み込みに起因して回転カッタ５１ａ，５１ｂ，５２ａ，５２ｂに発生する大きな発熱が抑制される。このことにより、前記回転カッタ５１ａ，５１ｂ，５２ａ，５２ｂの熱変形を抑制できるので、板状体１に対する回転カッタ５１ａ，５１ｂ，５２ａ，５２ｂの裁断速度を高めることができる。   Further, each of the rotary cutters 51a, 51b and 52a, 52b cut along the plurality of cutting lines P1 to P10 has a shaft center displaced along the cutting direction D2 between them, so that the rotary cutter 51a , 51b or the cutting piece 1a cut between the rotary cutters 52a, 52b is eliminated. Therefore, the large heat generation generated in the rotary cutters 51a, 51b, 52a, 52b due to this pinching is suppressed. Thereby, since the thermal deformation of the rotary cutters 51a, 51b, 52a, 52b can be suppressed, the cutting speed of the rotary cutters 51a, 51b, 52a, 52b with respect to the plate-like body 1 can be increased.

また、ピッチ調整機構５６により複数の回転カッタ５１ａ，５１ｂ，５２ａ，５２ｂによる切断線間の間隔（裁断ピッチ）ｔを変更することができるので、板状体１を任意の幅の切断片１ａに容易に裁断することができる。   Further, since the pitch adjusting mechanism 56 can change the interval (cutting pitch) t between the cutting lines by the plurality of rotary cutters 51a, 51b, 52a, 52b, the plate-like body 1 can be changed to a cutting piece 1a having an arbitrary width. Can be easily cut.

図８は、本発明の第２実施形態に係る板状体の裁断装置を示す概略背面図である。この実施形態では、両裁断機７０Ａ，７０Ｂのそれぞれが、同一の切断線上で回転する上下一対の回転カッタ７１ａ，７１ｂ，７２ａ，７２ｂを備えている。架台７上に載置された板状体１は、上側の回転カッタ７１ａ，７２ａによって上半部が切断され、下側の回転カッタ７１ｂ，７２ｂによって下半分が切断される。したがって、その切断部の境界Ｂが板状体１の厚さ方向のほぼ１／２となる。回転カッタ７１ａ，７１ｂ，７２ａ，７２ｂの回転方向Ｒ１，Ｒ２は、上側の回転カッタ７１ａ，７２ａが進行方向Ｇに対して前下がりになり、下側の回転カッタ７１ｂ，７２ｂが進行方向Ｇに対して前上がりになる方向に設定されている。これにより、各回転カッタ７１ａ，７１ｂ，７２ａ，７２ｂによる”かえり”が板状体１の表裏面に生じることがなく、仕上がりよく切断できる。   FIG. 8 is a schematic rear view showing a plate-like body cutting device according to the second embodiment of the present invention. In this embodiment, each of the cutting machines 70A and 70B includes a pair of upper and lower rotating cutters 71a, 71b, 72a, and 72b that rotate on the same cutting line. The plate-like body 1 placed on the gantry 7 is cut at the upper half by the upper rotary cutters 71a and 72a and at the lower half by the lower rotary cutters 71b and 72b. Therefore, the boundary B of the cut portion is approximately ½ of the thickness direction of the plate-like body 1. The rotation directions R1, R2 of the rotary cutters 71a, 71b, 72a, 72b are such that the upper rotary cutters 71a, 72a are forwardly lowered with respect to the traveling direction G, and the lower rotary cutters 71b, 72b are with respect to the traveling direction G. Is set in a direction that rises forward. As a result, “burls” by the rotary cutters 71a, 71b, 72a, 72b do not occur on the front and back surfaces of the plate-like body 1 and can be cut with good finish.

また、前記上側の回転カッタ７１ａ，７２ａおよび下側の回転カッタ７１ｂ，７２ｂはいずれも、板状体１の厚さ方向の半分を切断するだけなので、前記各回転カッタ７１ａ，７１ｂ，７２ａ，７２ｂに対する発熱を抑制でき、その変形を防止できる。なお、各裁断機７０Ａ，７０Ｂに、上下一対の回転カッタを第１実施形態と同様、縦方向Ｄ１に沿ってｔだけ離間させて２組設けてもよい。   Further, since the upper rotary cutters 71a and 72a and the lower rotary cutters 71b and 72b all cut only half of the thickness of the plate-like body 1, the rotary cutters 71a, 71b, 72a and 72b are cut off. Heat generation can be suppressed, and deformation thereof can be prevented. Note that two sets of upper and lower rotary cutters may be provided on each of the cutters 70A and 70B, spaced apart by t along the vertical direction D1, as in the first embodiment.

なお、前記第１実施形態において、各裁断機の回転カッタは１つのみとしてもよい。また、第１および第２実施形態において、各裁断機の回転カッタを裁断ピッチｔだけずらして３つ以上設けてもよい。   In the first embodiment, each cutting machine may have only one rotary cutter. In the first and second embodiments, three or more rotary cutters of each cutting machine may be provided by being shifted by the cutting pitch t.

本発明の第１実施形態に係る板状体の裁断装置の平面図である。It is a top view of the plate-shaped body cutting device concerning a 1st embodiment of the present invention. 同裁断装置の側面図である。It is a side view of the cutting device. 同板状体の裁断装置の背面図である。It is a rear view of the plate-shaped body cutting device. 板状体に対する第１の裁断機の移動ストロークを示す背面図である。It is a rear view which shows the movement stroke of the 1st cutting machine with respect to a plate-shaped object. 板状体に対する第２の裁断機の移動ストロークを示す背面図である。It is a rear view which shows the movement stroke of the 2nd cutting machine with respect to a plate-shaped object. 図１のピッチ調整機構の背面図である。It is a rear view of the pitch adjustment mechanism of FIG. 裁断機により裁断する新たな切断線Ｐ５〜Ｐ１０を示す平面図である。It is a top view which shows new cutting lines P5-P10 cut | judged with a cutting machine. 本発明の第２実施形態に係る板状体の裁断装置による板状体の切断動作を示す概略背面図である。It is a schematic back view which shows the cutting operation of the plate-shaped body by the plate-shaped body cutting device which concerns on 2nd Embodiment of this invention. 平板状部材（板状体）の裁断処理工程を示す斜視図である。It is a perspective view which shows the cutting process process of a flat member (plate-shaped body).

符号の説明Explanation of symbols

１ 板状体
５Ａ 第１の裁断機
５Ｂ 第２の裁断機
５１ａ，５１ｂ，５２ａ，５２ｂ 回転カッタ
５１ｃ，５１ｄ，５２ｃ，５２ｄ 軸心
５６ ピッチ調整機構
Ｐ１〜Ｐ１０ 切断線 DESCRIPTION OF SYMBOLS 1 Plate-like body 5A 1st cutting machine 5B 2nd cutting machine 51a, 51b, 52a, 52b Rotary cutter 51c, 51d, 52c, 52d Axis 56 Pitch adjustment mechanism P1-P10 Cutting line

Claims (3)

板状体を横方向の切断線に沿って切断する装置であって、
前記板状体を縦方向に合致した送り方向に移動させるプッシャと、
回転カッタを有し、前記板状体を一側方から前記切断線に沿って中央部付近まで第１方向に切り込む第１の裁断機と、
回転カッタを有し、前記板状体の他側方から前記切断線に沿って中央部付近まで第１方向と反対の第２方向に切り込む第２の裁断機と、
前記両裁断機を前記切断線間の間隔に対応する分だけ前記送り方向にずらせた状態で同時に裁断動作させて停止状態の前記板状体を切り込み、つづいて、前記プッシャを作動させて前記板状体を前記送り方向に前記間隔だけ移動させたのち停止させるプッシャ動作を行い、このプッシャ動作につづいて前記裁断動作を行い、前記プッシャ動作と裁断動作を繰り返して、前記板状体を裁断させるコントローラと、
を備えた板状体の裁断装置。 An apparatus for cutting a plate-like body along a horizontal cutting line,
A pusher that moves the plate-like body in a feeding direction that matches the longitudinal direction;
A first cutter that has a rotary cutter and cuts the plate-like body in a first direction from one side along the cutting line to the vicinity of the center;
A second cutter that has a rotary cutter and cuts in the second direction opposite to the first direction from the other side of the plate-like body to the vicinity of the central portion along the cutting line;
The both cutting machines are simultaneously cut in a state corresponding to the interval between the cutting lines while cutting the plate-like body in a stopped state, and then the pusher is operated to cut the plate. A pusher operation is performed in which the state body is moved by the interval in the feed direction and then stopped. The pusher operation is followed by the cutting operation, and the pusher operation and the cutting operation are repeated to cut the plate-like body. A controller,
A plate-shaped body cutting apparatus comprising: 請求項１において、前記各裁断機は、複数の切断線に沿って切り込む回転カッタを有し、各回転カッタは切断方向に沿って偏位した軸心を有している板状体の裁断装置。   2. The plate-shaped body cutting device according to claim 1, wherein each of the cutting machines includes a rotary cutter that cuts along a plurality of cutting lines, and each of the rotary cutters has an axis that is offset along the cutting direction. . 請求項１または２において、さらに、前記複数の回転カッタによる切断線間の間隔を変更するピッチ調整機構を有している板状体の裁断装置。   3. The plate-like body cutting device according to claim 1, further comprising a pitch adjusting mechanism for changing an interval between cutting lines by the plurality of rotary cutters.
JP2005105995A 2005-04-01 2005-04-01 Plate-shaped body cutting device Expired - Fee Related JP4792236B2 (en)

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