JP4317787B2 - Bundling device for goods - Google Patents

Bundling device for goods Download PDF

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JP4317787B2
JP4317787B2 JP2004150303A JP2004150303A JP4317787B2 JP 4317787 B2 JP4317787 B2 JP 4317787B2 JP 2004150303 A JP2004150303 A JP 2004150303A JP 2004150303 A JP2004150303 A JP 2004150303A JP 4317787 B2 JP4317787 B2 JP 4317787B2
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bundling
bundle
defective
defective portion
cut
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JP2005329977A (en
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悦博 前田
貴史 福島
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Omori Machinery Co Ltd
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Omori Machinery Co Ltd
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Description

本発明は、物品の結束装置に係わり、特に、物品の周囲を熱融着可能な結束帯(熱融着性プラスチックフィルム等)により自動的に連続して結束する結束装置に関する。   The present invention relates to an apparatus for binding articles, and more particularly, to a binding apparatus that automatically and continuously binds around an article with a binding band (such as a heat-fusible plastic film) that can be heat-sealed.

図1(a)は被結束物たる物品の周囲を熱融着可能な帯状の把束材によって結束した状態を概略的に示す平面図であり、同図(b)は(a)中のb−b線部の矢視断面図である。対象となる被結束物Wとしては、例えばシート状のPTP包装物を所定数積層した積層体を挙げることができ、当該積層体からなる被結束物Wの周側を把束材2で緊締して個々のPTP包装物を積層状態で一体化させて結束している。   FIG. 1A is a plan view schematically showing a state in which the periphery of an article to be bound is bound by a band-shaped bundle material that can be heat-sealed, and FIG. It is arrow sectional drawing of a -b line part. As the object to be bound W, for example, a laminate in which a predetermined number of sheet-like PTP packages are stacked can be cited, and the peripheral side of the object to be bound W composed of the laminate is fastened with the bundle material 2. Thus, individual PTP packages are integrated and bundled in a laminated state.

従来のこの種の結束装置としては、例えば特開平8−58711号公報に示されるようなものが知られている。すなわち、この結束装置は、図2に示すように本体フレーム4の上方に、熱接着性の帯状の把束材2をロール状に巻き取った原反6が回動自在に取りつけられており、その原反6から把束材2が複数の引出しローラ8等を介して所定位置まで引出されている。   As a conventional bundling device of this type, for example, a device as shown in JP-A-8-58711 is known. That is, in this bundling device, as shown in FIG. 2, an original fabric 6 obtained by winding a heat-adhesive strip-shaped bundling material 2 in a roll shape is rotatably mounted above a main body frame 4. The bundling material 2 is drawn from the original fabric 6 to a predetermined position via a plurality of drawing rollers 8 and the like.

この引出された把束材2の下端部近傍には、カッター10とカッター受け12とからなる切断手段14が配設されており、その切断手段14にて把束材2を所定長さ毎に切断するようになっている。
また、切断手段14の下方には、上記把束材2を所定の張力を維持しながら下方に向けて引っ張り出す引出し機構18が配設されており、この引出し機構18にて把束材2が所定長さづつ引出されるようになっている。
更に、その引出し機構18と上記切断手段14との高さ方向中間位置外方には、PTP包装物の積層体からなる被結束物Wを把束材2に向けて前進移動させる供給手段16が配設されており、この供給手段16は、被結束物Wの進行方向後面に当接してこれを押圧するプッシャ16aと、進行方向前方上下に配置されたガイド板16bとから構成されている。
A cutting means 14 comprising a cutter 10 and a cutter receiver 12 is disposed in the vicinity of the lower end portion of the bundled material 2 drawn out, and the bundled material 2 is separated by a predetermined length by the cutting means 14. It is designed to cut.
Further, below the cutting means 14, a pulling mechanism 18 for pulling the bundle member 2 downward while maintaining a predetermined tension is disposed. It is drawn out by a predetermined length.
Further, outside the intermediate position in the height direction between the drawing mechanism 18 and the cutting means 14, there is a supply means 16 for advancing and moving the object to be bound W made of a laminate of PTP packages toward the bundle material 2. The supply means 16 includes a pusher 16a that abuts against and presses the rear surface of the bundled article W in the traveling direction, and a guide plate 16b that is disposed forward and downward in the traveling direction.

一方、引出された把束材2を挟んで供給手段16の対向位置には、その供給手段16にて押し出された被結束物Wを受け取って挟持する挟持手段20が配されている。この挟持手段20は断面ほぼコ字状をなしていて、並行に対向配置されて近接離間移動する一対の押さえ板22を有していて、下側の押さえ板22の先端部には略U字状の切欠部が穿設されている。この切欠部はその幅が把束材2のそれと略同一かあるいは若干大きく設定されており、引出し機構18にて引出された把束材2がこの切欠部内に挿入位置するようになっている。   On the other hand, sandwiching means 20 for receiving and sandwiching the object to be bound W pushed out by the supply means 16 is arranged at a position opposite to the supply means 16 with the bundled material 2 pulled out. The sandwiching means 20 has a substantially U-shaped cross section, and has a pair of pressing plates 22 that are arranged in parallel to face each other and move close to and away from each other. A shaped notch is drilled. The width of the notch is set to be approximately the same as or slightly larger than that of the bundling material 2, and the bundling material 2 drawn out by the drawing mechanism 18 is inserted into the notch.

更に、この挟持手段20は、回転駆動する間歇ドラム24の周囲に90度間隔で計4個配置されており、径方向外方並びに両側部が開口されている。ここで、挟持手段20が図示する左側の水平位置に来たときが供給状態であり、上記ガイド板16bと略同一線上に位置するように設定されており、被結束物Wはその周囲に把束材2が巻きつけられた状態で挟持手段20内に挿入配置されるようになっている。   Furthermore, a total of four clamping means 20 are arranged at intervals of 90 degrees around the intermittent drum 24 that is rotationally driven, and both the radially outer side and both sides are opened. Here, the supply state is when the clamping means 20 comes to the left horizontal position shown in the figure, and it is set so as to be positioned substantially on the same line as the guide plate 16b. The bundle member 2 is inserted and arranged in the clamping means 20 in a wound state.

また、挟持手段20が鉛直方向の上側に来たときが結束状態であり、挟持手段20の上方には、挟持手段20外に露出している把束材2を所定位置に折曲げるガイド26が配置され、そのガイド26の上方には把束材2の端部同士を熱接着するためのヒートシーラ28が揺動自在に配設されていて、ここにおいて結束作業が終了するようになっている。
更に、上記最上方に位置する挟持手段20から時計方向略90度回転した位置には、挟持手段20内に収容されている結束済みの被結束物Wを前方に押し出す排出手段30と、この排出される被結束物Wを搬出する搬出コンベア30とが配設されている。
Further, when the clamping means 20 comes to the upper side in the vertical direction, it is in a bundled state, and above the clamping means 20, there is a guide 26 that bends the bundle material 2 exposed outside the clamping means 20 to a predetermined position. The heat sealer 28 for heat-bonding the ends of the bundling material 2 to each other is swingably disposed above the guide 26, and the bundling operation is completed here.
Further, at a position rotated by about 90 degrees clockwise from the pinching means 20 located at the uppermost position, a discharge means 30 for pushing the bundled articles W accommodated in the pinching means 20 forward, and this discharge An unloading conveyor 30 for unloading the object to be bound W is disposed.

また、図3は把束材2の原反6を示したものであるが、当該原反6には規定長の長尺な帯状の把束材2がテープ2a等によって継がれて、より長尺に巻回された状態で上記結束装置に供給されるようになっている。ここで、当該テープ2aの継ぎ目部やキズなどの損傷部が被結束物Wの結束に供された場合には、これを不良品として排除しなければならない。そこで従来では、上記結束装置には、上記把束材のテープ2aの継ぎ目部や損傷部等の不良部の有無を検知するセンサーを上記切断手段14の上流側に配設し、当該不良部を含んだ捉束材12で結束してしまった被結束物Wを、排出コンベア30上あるいはそれよりも下流側の搬送経路上に設けた排除手段で搬送経路上から排除して回収し、再び結束装置の上流側に戻して供給するようにしている。
特開平8−282617号公報
FIG. 3 shows the original fabric 6 of the bundling material 2, and a long strip-shaped bundling material 2 having a specified length is connected to the original fabric 6 by a tape 2 a or the like. It is supplied to the bundling device in a state of being wound around a scale. Here, when a damaged portion such as a joint portion or a scratch of the tape 2a is used for binding the objects to be bound W, it must be excluded as a defective product. Therefore, conventionally, in the bundling device, a sensor for detecting the presence or absence of a defective portion such as a seam portion or a damaged portion of the tape 2a of the bundling material is disposed on the upstream side of the cutting means 14, and the defective portion is disposed. The bundled material W that has been bundled with the trapping material 12 that is included is removed from the conveying path by the removing means provided on the discharge conveyor 30 or on the conveying path on the downstream side thereof, recovered, and then bundled again. The product is supplied back to the upstream side of the apparatus.
JP-A-8-282617

しかしながら、上記従来の結束装置では、不良部のある捉束材2で結束してしまった被結束物Wを排除手段で排除する際に、それまでは無傷の良品であった被結束物W自体に損傷を与えてしまうことがあった。このため、搬送経路から排除した被結束物Wを再び供給側に戻すにあたっては、その回収した被結束物Wに損傷が生じていないことを再検査する必要もあり、甚だ面倒な作業であった。   However, in the above-described conventional binding device, when the binding object W that has been bound by the binding material 2 having a defective portion is excluded by the removing means, the binding object W itself that has been an intact good product until then is removed. Could cause damage. For this reason, when returning the bound object W removed from the conveyance path to the supply side again, it is necessary to re-inspect that the recovered bound object W is not damaged, which is a troublesome operation. .

この発明は、上記問題点に鑑みてなされたものであり、その目的とするところは、把束材にキズや継ぎ目等の不良部があった場合には、当該不良部を結束に供することなく廃棄処理することができ、もって結束不良品の発生や被結束物に損傷を与えてしまうようなことを可及的に防止可能な結束装置を提供することにある。   The present invention has been made in view of the above-described problems, and the object of the present invention is to provide a bundling material with a defective portion such as a flaw or a seam without binding the defective portion. It is an object of the present invention to provide a bundling device that can be disposed of and can prevent as much as possible the occurrence of defective bundling products and damage to the objects to be bound.

上記の目的を達成するために、本発明の請求項1に係る結束装置では、間歇回転されるドラムに放射状に配置されて、先端部に被結束物を挟持する開閉自在な一対の押さえ部材を有した挟持手段と、供給位置に送給されてくる被結束物を、該供給位置に臨んで開放状態で停止している該挟持手段の一対の押さえ部材間に挿入する供給手段と、原反から繰り出される帯状の把束材の先端を挟持して所定の張設位置まで引き出し、該供給位置に停止している該挟持手段の一対の押さえ部材の開口間を横断させて張設する把束材張設手段と、該押さえ部材間に挿入される該被結束物の移動に伴って、その外周囲に巻き付けられた該把束材を該供給位置よりも上流側で所定長さに切断する把束材切断手段と、該挟持手段に挟持されて結束位置に停止された被結束物に巻き付ついている該把束材の切断部両端同士を重ね合わせて接着結束する結束手段と、排出位置に停止した該挟持手段から結束後の被結束物を排出する排出手段と、を備えた結束装置において、該原反から繰り出されてくる把束材の不良部を検出する不良部検出センサーを、該把束材切断手段よりも上流側の繰り出し経路の途中に設け、該不良部検出センサーで検出した不良部が、結束用に引き出されて所定長さに切断されて供される把束材中に含まれてしまう場合には、該供給手段による被結束物の供給作動を停止させる一方、該捉束材の下端を挟持した張設手段を該不良部が該切断手段を通過する位置まで移動させて引き出し、該切断手段によって該捉束材を切断して廃棄する不良部廃棄処理制御手段を設けた、ことを特徴とする。   In order to achieve the above object, in the binding device according to claim 1 of the present invention, a pair of freely openable and closable pressing members that are radially disposed on the drum that is intermittently rotated and sandwich the object to be bound at the tip end portion. A holding means having a holding means; a supply means for inserting a bundle to be fed fed to the supply position between a pair of pressing members of the holding means that are stopped in an open state facing the supply position; A bundle which is stretched across the opening of the pair of pressing members of the clamping means which is held at the supply position by holding the leading end of the band-shaped bundle material fed from With the movement of the material to be bundled inserted between the material tensioning means and the pressing member, the bundle material wound around the outer periphery thereof is cut to a predetermined length upstream from the supply position. The bundling material cutting means and the holding means are clamped and stopped at the binding position. A bundling means for bonding and bundling both ends of the cut portion of the bundling material wrapped around the bundled material; and a discharging means for discharging the bundled material from the clamping means stopped at the discharge position. , A defective portion detection sensor for detecting a defective portion of the bundle material fed from the original fabric is provided in the middle of the feeding path upstream of the bundle material cutting means, When the defective part detected by the defective part detection sensor is included in the bundled material that is pulled out for bundling and cut into a predetermined length to be supplied, the supply operation of the bundled object by the supply means While pulling out the tensioning means holding the lower end of the binding material to a position where the defective portion passes through the cutting means, and cutting and discarding the binding material by the cutting means Special disposal processing control means is provided. To.

また、本発明の請求項2に係る結束装置では、前記不良部検出センサは、切断されて結束用に供される把束材の所定長さ分以上、前記切断手段よりも上流側に離されて設けられていることを特徴とする。   In the bundling device according to claim 2 of the present invention, the defective portion detection sensor is separated upstream of the cutting means by a predetermined length or more of the bundling material that is cut and provided for bundling. It is characterized by being provided.

また、本発明の請求項3に係る結束装置では、前記不良部廃棄処理制御手段は、前記不良部検出センサが不良部を検出すると、把束用に所定長さに切断されて供給される把束材中に該不良部が含まれるタイミングを算出し、該不良部を含んだ把束材が把束用に供されてしまう結束作動時に該結束作動を一時停止させて、前記張設手段により前記把束材の切断端を、前記結束用に供される捉束材の所定長さ分以上離間させて設定した所定の廃棄位置まで引き出すことを特徴とする。   In the bundling device according to a third aspect of the present invention, the defective portion discarding processing control means is configured to cut and supply a bundle that is cut into a predetermined length for bundle when the defective portion detection sensor detects the defective portion. The timing at which the defective portion is included in the bundle material is calculated, and the binding operation is temporarily stopped at the time of the binding operation in which the bundle material including the defective portion is used for the bundle, and the tensioning means The cut end of the bundling material is pulled out to a predetermined disposal position set apart by a predetermined length or more of the bundling material used for bundling.

また、本発明の請求項4に係る結束装置では、前記請求項1において、前記不良部検出センサは、前記被結束物の挟持手段内への挿入供給に伴って引き出される引き出し量分以上、前記切断手段よりも上流側に位置されて設けられていることを特徴とする。   In the binding device according to a fourth aspect of the present invention, in the first aspect, the defective portion detection sensor is equal to or more than a drawing amount that is withdrawn when the bundled object is inserted into the clamping means. It is characterized by being positioned upstream from the cutting means.

また、本発明の請求項5に係る結束装置では、前記請求項4において、前記不良部廃棄処理制御手段は、前記不良部検出センサが不良部を検出すると、該不良部箇所の把束材上の位置を把束材の引き出し量で認識し、該不良部箇所を前記切断位置の直下に移動させて切断することを特徴とする。   In the bundling device according to claim 5 of the present invention, in the claim 4, the defective part discarding processing control unit detects the defective part on the bundling material when the defective part detection sensor detects the defective part. The position is recognized by the pulling amount of the bundling material, and the defective portion is moved to a position immediately below the cutting position for cutting.

また、本発明の請求項6に係る結束装置では、前記廃棄位置の側方に、廃棄する把束材を吸引して回収する回収手段が設けられていることを特徴とする。   The bundling device according to claim 6 of the present invention is characterized in that a collecting means for sucking and collecting the bundle material to be discarded is provided on the side of the discarding position.

上記構成による本発明の結束装置では、原反から繰り出される長尺な帯状の把束材に不良部があると、当該不良部を含んで所定長さに切断される把束材を結束用に供することなく自動的に廃棄処理することができ、もって良品の被結束物を不良な捉束材で結束してしまうことを防止できるようになる。このため、不良部を含んだ捉束材で結束してしまった被結束物を、従来のように生産ラインから一旦排除して回収し、その回収した被結束物を再検査してから再度結束するといった無駄な作業が不必要になり、省力化も図れるようになる。さらには、不良な捉束材で結束してしまった被結束物を排除する際に、良品である被結束物に損傷を与えてしまうようなことも生じることがなく、もって歩留まりの可及的な向上が図れるようになる。   In the bundling device of the present invention having the above-described configuration, if there is a defective portion in the long band-shaped bundling material drawn out from the original fabric, the bundling material that is cut into a predetermined length including the defective portion is used for bundling. It can be automatically disposed of without being provided, so that it is possible to prevent a good bundle from being bound with a defective binding material. For this reason, to-be-bundled objects that have been bundled with a bundling material containing defective parts are temporarily removed from the production line and collected as before, and the collected to-be-bundled objects are reinspected and then re-bundled. This eliminates the need for unnecessary work and saves labor. In addition, when removing a bundle that has been bundled with a defective binding material, there is no possibility of damaging the bundle that is a non-defective product. Improvement can be achieved.

また、前記不良部検出センサを、所定長さに切断して結束用に供する把束材の当該所定長さ分以上、前記切断手段よりも上流側に離して設けると、当該不良部検出センサが検知した不良部が、把束用に切断して供給する把束材中に含まれてしまうタイミングを事前に知ることができ、もって当該不良部を含んだ把束材の廃棄処理制御を簡易に行うことができる。   In addition, when the defective portion detection sensor is provided at a distance equal to or longer than the predetermined length of the bundling material that is cut into a predetermined length and used for binding, the defective portion detection sensor It is possible to know in advance the timing at which the detected defective part is included in the bundle material that is cut and supplied for the bundle, so that it is easy to control the disposal of the bundle material including the defective part. It can be carried out.

ここで、前記不良部検出センサが不良部を検出した場合には、該不良部が把束用に所定長さに切断されて供給される把束材中に含まれてしまうタイミングを算出し、該不良部を含んだ把束材が把束用に供されてしまう結束作動時に該結束作動を一時停止させて、前記張設手段により前記把束材の切断端を、前記結束用に供される捉束材の所定長さ分以上離間させて設定した所定の廃棄位置まで引き出して切断するようにすることで、廃棄処理制御を簡易に構成できるとともに、廃棄処理後の通常の結束動作の同期調整も簡易に行うことができる。把束用に切断供給される所定長さの把束材中に該不良部が含まれてしまうタイミングは、不良部検出センサの配設部位から切断手段の設置位置までの経路長を結束用に供する把束材の切断長さ(所定長)で除することで容易に得られる。   Here, when the defective portion detection sensor detects a defective portion, it calculates the timing at which the defective portion is included in the bundle material supplied after being cut into a predetermined length for the bundle, When the bundling material including the defective portion is used for bundling, the bundling operation is temporarily stopped and the cut end of the bundling material is used for bundling by the tensioning means. The disposal process control can be easily configured and the normal bundling operation after the disposal process can be synchronized by pulling and cutting to a predetermined disposal position set apart by a predetermined length or more of the binding material Adjustment can also be performed easily. The timing at which the defective portion is included in the bundle of a predetermined length that is cut and supplied for bundling is determined by bundling the path length from the location where the defective portion detection sensor is installed to the installation position of the cutting means. It is easily obtained by dividing by the cutting length (predetermined length) of the bundle material to be provided.

また、前記不良部検出センサを、前記被結束物の挟持手段内への挿入供給に伴って引き出される引き出し量分以上、前記切断手段よりも上流側に位置させて設けるようにすれば、把束材の切断端を張設位置まで移動させた時点で、挟持手段内への被結束物の挿入以前にその供給する把束材の所定長の全長に対して不良部の有無を検査でき、把束用に供する直前で廃棄処理することができる。   In addition, if the defective portion detection sensor is provided to be positioned upstream of the cutting means by an amount equal to or more than a drawing amount withdrawn when the bundled object is inserted and supplied into the clamping means, When the cut end of the material is moved to the tensioning position, the presence or absence of a defective portion can be inspected with respect to the predetermined length of the bundle material supplied before the object to be bound is inserted into the clamping means. It can be disposed of immediately before being used for bundling.

さらに、前記不良部廃棄処理制御手段は、前記不良部検出センサが不良部を検出した場合に、該不良部箇所の把束材上の位置を当該把束材の引き出し量で認識し、該不良部箇所を前記切断位置の直下に移動させて切断するようにすれば、検知した不良部が切断手段の取付部位を通過した直後に当該不良部を切断して廃棄することもでき、不良部とともに無駄に廃棄してしまう把束材の良品部分の量を可及的に低減できる。   Further, when the defective part detection sensor detects a defective part, the defective part discarding processing control means recognizes the position of the defective part on the bundle member by the pulling amount of the bundle member, and If the part is moved immediately below the cutting position and cut, the defective part can be cut and discarded immediately after the detected defective part passes through the attachment part of the cutting means. It is possible to reduce as much as possible the amount of non-defective parts of the bundling material that are wasted.

また、前記廃棄位置の側方に、廃棄する把束材を吸引して回収する回収手段を設けることで、廃棄する把束材を容易に回収することができる。   Further, by providing a collecting means for sucking and collecting the bundle material to be discarded at the side of the discard position, the bundle material to be discarded can be easily collected.

以下に、本発明に係る結束装置の好適な一実施の形態例を添附図面を参照にして詳細に説明する。   Hereinafter, a preferred embodiment of a bundling device according to the present invention will be described in detail with reference to the accompanying drawings.

図4〜図7は本発明に係る結束装置の概略構成を各種の状態で示すものである。図示するように、この結束装置は、間歇回転されるドラム32に放射状に配置されて、先端部に被結束物Wを挟持する開閉自在な一対の押さえ部材34を有した挟持手段36を備えている。ドラム32は図示していない回転駆動機構によって90度ずつ間歇回転されるようになっており、図示する左側の水平位置が供給位置、上側の鉛直位置が結束位置、右側の水平位置が排出位置となっている。図示例の挟持手段36には、一対の押さえ部材34として固定アーム34aとこの固定アーム34aに基端部側が揺動自在に軸支された揺動アーム34bとが用いられており、供給位置と排出位置との停留期間中において上記揺動アーム34bが図示していない開閉駆動機構によって所定時間だけ開放作動されて、先端の開口が開かれるようになっている。固定アーム34aと揺動アーム34bとは、共に先端部側が2又状に分岐されてコ字状に形成されており、それらの分岐部で被結束物Wの中央部をあけてその両脇を挟持するようになっている。   4 to 7 show the schematic configuration of the bundling device according to the present invention in various states. As shown in the figure, this bundling device is provided with clamping means 36 having a pair of openable and closable pressing members 34 that are radially arranged on a drum 32 that is intermittently rotated and clamps an object W to be bound at the tip. Yes. The drum 32 is intermittently rotated by 90 degrees by a rotation drive mechanism (not shown). The horizontal position on the left side is the supply position, the vertical position on the upper side is the binding position, and the horizontal position on the right side is the discharge position. It has become. In the illustrated clamping means 36, a fixed arm 34a and a swing arm 34b whose base end side is pivotally supported by the fixed arm 34a as a pair of pressing members 34 are used. During the stop period with the discharge position, the swing arm 34b is opened for a predetermined time by an open / close drive mechanism (not shown) so that the opening at the tip is opened. Both the fixed arm 34a and the swing arm 34b are bifurcated at the tip end side, and are formed in a U-shape. It is designed to be pinched.

上記供給位置には、当該供給位置に臨んで開放状態で停止している挟持手段36の一対の押さえ部材34間に被結束物Wを供給して挿入する供給手段38が設けられている。この供給手段38は被結束物Wの進行方向後面に当接してこれを押圧するプッシャ39aと、このプッシャー39aを前後に往復移動させるシリンダ39b、並びにこれらプッシャー39aとシリンダー39bとを上下に昇降移動させる昇降シリンダ(図示せず)、さらに供給位置に送給する被結束物Wをその上下から挟んで挟持手段36への挿入を案内する上下一対で対向位置されたガイド板40とから構成されている。ここで、ガイド板40はプッシャー39の前後への移動方向に沿ってその両側に1対ずつ2組で設けられており、プッシャー38aは上昇位置で前進されて、ガイド板40間に挟まれた被結束物Wを押し出していき、後退時にはガイド板40より下方に降下して、いわゆるボックスモーションの作動を行うようになっている。   The supply position is provided with supply means 38 for supplying and inserting the object to be bound W between the pair of pressing members 34 of the clamping means 36 that are stopped in an open state facing the supply position. The supply means 38 abuts against the rear surface of the bundled article W in the direction of travel and pushes the pusher 39a, a cylinder 39b for reciprocating the pusher 39a back and forth, and the pusher 39a and the cylinder 39b are moved up and down. And an elevating cylinder (not shown), and a pair of upper and lower guide plates 40 that guide the insertion into the clamping means 36 by sandwiching the object W to be fed to the supply position from above and below. Yes. Here, two pairs of guide plates 40 are provided on both sides of the pusher 39 along the direction of movement of the pusher 39 in the front-rear direction, and the pushers 38a are advanced in the raised position and sandwiched between the guide plates 40. The object to be bundled W is pushed out and descends below the guide plate 40 when retreating, so that a so-called box motion is performed.

また、この供給手段38の上流側には、当該供給手段38のガイド板40間に被包装物Wを搬入する搬入コンベア41が設けられており、この搬入コンベア41は、被結束物Wの後端に当接して押送するフィンガー(図示せず)が所定のピッチで多数設けられている。なお、被結束物Wは、シート状のPTP包装物を所定数積層した積層体である。   Further, on the upstream side of the supply means 38, a carry-in conveyor 41 for carrying the article W to be packed is provided between the guide plates 40 of the supply means 38. A large number of fingers (not shown) that are in contact with the ends and are pushed at a predetermined pitch are provided. The bundled article W is a laminated body in which a predetermined number of sheet-like PTP packages are laminated.

そして、この供給位置の上方には、長尺な帯状の把束材2を巻き取った原反6が配置され、この原反6から繰り出された把束材2は複数のローラ8を巻回されて先端部が上記供給位置の直上部に導かれて垂下されており、その垂下された先端部に位置して当該把束材2を切断する切断手段42が設けられている。つまり、把束材切断手段42は把束材2を上記供給位置よりも上流側の切断位置で所定長さに切断するようになっている。   Above the supply position, an original fabric 6 around which a long strip-shaped bundle material 2 is wound is disposed, and the bundle material 2 fed out from the original fabric 6 winds a plurality of rollers 8. Thus, the tip portion is guided and suspended directly above the supply position, and cutting means 42 for cutting the bundle member 2 is provided at the suspended tip portion. That is, the bundling material cutting means 42 cuts the bundling material 2 to a predetermined length at a cutting position upstream of the supply position.

また、当該供給位置の下側方には、上記把束材2先端の切断端を挟持してこれを下方に向けて所定の張設位置まで引き出して、当該供給位置に停止している挟持手段36の一対の押さえ部材34の先端の開口間を横断させて当該把束材2を張設する把束材張設手段44が設けられている。この把束材張設手段44は、繰り出された把束材2の下端の切断端を挟持して下方に引張りだす引っ張りアーム46と、この引っ張アーム46を横方向に移動自在に支持するベースフレーム48、並びに、このベースフレーム48を上下に昇降移動させる昇降シリンダー50、上記ベースフレーム48に支持されている引っ張りアーム46を水平方向に横移動させる横行シリンダ52とを備えている。上記引っ張りアーム46は、上記ベースフレーム48に水平方向に移動自在に支持されて上方に延びる比較的細幅な第1アーム46aと、この第1アーム46aにピンを介して揺動自在に取り付けられた第2アーム46bとから構成されており、この第2アーム46bは、上記第1アーム46aと略同一形状の先端部を有し、図示していない開閉機構によって開閉作動されるようになっている。   Further, a clamping means that holds the cut end of the bundle member 2 at the lower side of the supply position and pulls it downward to a predetermined tension position and stops at the supply position. Bundling material extending means 44 for extending the bundling material 2 across the openings at the tips of the 36 pressing members 34 is provided. The bundling material extending means 44 includes a pulling arm 46 that holds the cut end at the lower end of the bundling material 2 drawn out and pulls it downward, and a base frame that supports the pulling arm 46 movably in the lateral direction. 48, an elevating cylinder 50 that moves the base frame 48 up and down, and a traverse cylinder 52 that horizontally moves the pull arm 46 supported by the base frame 48. The pulling arm 46 is supported by the base frame 48 so as to be movable in the horizontal direction and extends upward, and is attached to the first arm 46a in a swingable manner via a pin. The second arm 46b has a tip portion having substantially the same shape as the first arm 46a, and is opened and closed by an opening / closing mechanism (not shown). Yes.

即ち、引っ張りアーム46は昇降シリンダー50によって上昇されていくとともに、その先端部が上記切断位置に至る前に、開閉機構によって第2アーム46bが揺動作動されて当該先端部が開放され、上記切断位置に達すると第2アーム46bが閉じられて、当該切断位置に垂下されている把束材2下端の切断端を挟持して掴むようになっている。そして、当該引っ張りアーム46が把束材2の下端を挟持する迄の間に、ドラム32が間歇回転されてこれに取り付けられている挟持手段36が開放状態で供給位置に臨まされて水平に停止されるようになっている。   That is, the pull arm 46 is raised by the elevating cylinder 50, and before the tip portion reaches the cutting position, the second arm 46b is oscillated by the opening / closing mechanism to open the tip portion, and the cutting is performed. When the position is reached, the second arm 46b is closed, and the cutting end at the lower end of the bundling material 2 suspended at the cutting position is sandwiched and grasped. The drum 32 is intermittently rotated until the pulling arm 46 clamps the lower end of the bundling material 2, and the clamping means 36 attached to the drum 32 faces the supply position in the open state and stops horizontally. It has come to be.

爾後、図5に示すように、引っ張りアーム46は先端部で把束材2を挟持したままの状態で、昇降シリンダー50の作動によりその先端部が挟持手段36の下側の固定アーム34aの直下まで下降され、次いで横行シリンダー52の作動により固定アーム34aの基端部側に向けて水平に所定の張設位置まで横移動されるようになっている。この横移動は、被捉束材Wを挟持手段36の押さえ部材34間に供給する際の抵抗を減じて、その挿入を容易に行えるようにするためのものであり、把束材2は所定の張力が付与された状態で切断端が張設位置に保持されて、当該供給位置に停止している挟持手段36の一対の押さえ部材34の開口間を横断して張設されるようになっている。   Thereafter, as shown in FIG. 5, the pulling arm 46 holds the bundling material 2 at the tip, and the tip of the pulling arm 46 is directly below the fixed arm 34 a below the clamping means 36 by the operation of the lifting cylinder 50. Then, by the operation of the traversing cylinder 52, the traverse cylinder 52 is horizontally moved toward the base end side of the fixed arm 34a to a predetermined extension position. This lateral movement is to reduce the resistance when the trapped bundle material W is supplied between the pressing members 34 of the clamping means 36 so that it can be easily inserted. When the tension is applied, the cutting end is held at the tension position, and is stretched across the opening of the pair of pressing members 34 of the clamping means 36 stopped at the supply position. ing.

そして、当該把束材2が張設されたのに同期して、供給手段38から挟持手段36の一対の押さえ部材34間に向けて被結束物Wが挿入供給されてゆき、当該被結束物Wの挿入移動に伴ってその外周囲に把束材2が更に若干引き出されつつ巻き付けられていくようになっており、被結束物Wの挿入が終わると、挟持手段36が閉じられると共に、切断手段42が作動して把束材2を所定の長さで切断するようになっている。   Then, in synchronization with the bundling material 2 being stretched, the object to be bound W is inserted and supplied from the supply means 38 to the pair of pressing members 34 of the clamping means 36, and the object to be bound is connected. With the insertion movement of W, the bundling material 2 is wound around the outer periphery while being slightly pulled out. When the object to be bound W is inserted, the clamping means 36 is closed and cut. The means 42 is actuated to cut the bundle member 2 by a predetermined length.

また、結束位置に停止した挟持手段36の真上には、結束手段54が配設されている。この結束手段54は上記挟持手段36に挟持された被結束物Wに巻き付つけられている把束材2の両切断端同士を重ね合わせて接着結束するものであり、挟持手段36外に露出している把束材2を所定位置に折曲げて両切断端同士が重なるように案内するガイド56と、当該ガイド56によって重ね合わされた切断端同士を熱シールして接着するヒートシーラ58とからなる。上記ガイド56は板状をなしており、ドラム32によって間歇旋回作動される挟持手段36の先端部との間にわずかな隙間を残して近接配置されていて、挟持手段36が供給位置から結束位置に旋回移動されてくるときに、その旋回移動に伴わせて当該挟持手段36の先端から飛び出して露出している把束材2をU字状に折り曲げて被結束物Wに巻き付けさせ、図示するように被結束物Wの左側面にて両切断端同士を重ね合わせるようになっている。また、ヒートシーラ58は揺動自在にピン支持されたJ字状の揺動アーム58aの先端に熱シール手段58bが取り付けられてなり、挟持手段36が結束位置に停止すると揺動作動されて、その先端部の熱シール手段58bが被結束物Wに巻き付いた把束材2の両切断端の重合部に押し当てられるようになっている。   Further, a bundling means 54 is disposed directly above the clamping means 36 stopped at the bundling position. This bundling means 54 is a means for bonding and bundling the two cut ends of the bundling material 2 wound around the object to be bundle W sandwiched between the clamping means 36 and exposed outside the clamping means 36. The bundle 56 is bent to a predetermined position and guided so that the two cut ends overlap each other, and a heat sealer 58 that heat-seals and bonds the cut ends overlapped by the guide 56 together. . The guide 56 has a plate-like shape and is disposed close to the front end of the clamping means 36 that is intermittently swiveled by the drum 32 with a slight gap, and the clamping means 36 is moved from the supply position to the binding position. When the swiveling movement is performed, the bundling material 2 protruding from the front end of the clamping means 36 and being exposed is bent in a U shape and wound around the object to be bound W. In this way, both cut ends are overlapped on the left side surface of the object to be bound W. The heat sealer 58 is provided with a heat sealing means 58b attached to the tip of a J-shaped swinging arm 58a supported by a swingable pin. When the clamping means 36 stops at the binding position, the heat sealer 58 swings. The heat sealing means 58b at the front end is pressed against the overlapped portion at both cut ends of the bundle 2 wound around the object to be bound W.

また、排出位置には、ここに停止した挟持手段36内から結束後の被結束物Wを排出コンベア60上に押し出して排出する排出手段64が設けられている。この排出手段64は、把束材2で結束された被結束物Wの後端部に当接して、これを排出コンベア60に向けて水平に横方向に押し出すプッシャー64aと、このプッシャー64aを水平に往復移動させるシリンダ64bとを有する。
プッシャー64aは挟持手段36の一対の押さえ部材34に対し、そのコ字状の分岐部間に出入りして被結束物Wを押し出すようになっており、挟持手段36が結束位置から排出位置に旋回されてくるのに先立って押しだし開始位置にセットされるようになっている。
Further, at the discharge position, discharge means 64 is provided that pushes the bundled articles W after being bundled from the holding means 36 stopped here onto the discharge conveyor 60 and discharges them. The discharge means 64 abuts against the rear end portion of the bundled objects W bound by the bundling material 2 and pushes the pusher 64a horizontally toward the discharge conveyor 60, and the pusher 64a horizontally. And a cylinder 64b that is reciprocally moved.
The pusher 64a enters and exits between the U-shaped branch portions of the pair of pressing members 34 of the holding means 36 and pushes the object to be bound W, and the holding means 36 turns from the binding position to the discharge position. Prior to being pushed, it is set to the push start position.

また、原反6から繰り出される把束材2の繰り出し経路の途中には、把束材切断手段42よりも上流側に位置されて、不良部検出センサー66が設けられており、本実施形態にあっては、切断されて結束用に供される把束材2の所定長さに相当する経路長分以上に、前記切断手段42よりも上流側に離間されて配置されている。この不良部検出センサー66は、結束作業時に逐次間歇的に所定長さずつ引き出されていく把束材2に、継ぎ目部やキズ等の損傷した不良部が存在するか否かを検出するものであり、コンピュータでなる制御手段68に繋がれていて、不良部を検知すると逐次に不良検出信号を送信するようになっている。   Further, a defective portion detection sensor 66 is provided in the middle of the feeding path of the bundling material 2 fed out from the original fabric 6, and is located upstream of the bundling material cutting means 42. In this case, it is arranged so as to be separated from the cutting means 42 on the upstream side more than a path length corresponding to a predetermined length of the bundling material 2 that is cut and used for bundling. This defective portion detection sensor 66 detects whether or not there is a defective portion such as a seam portion or a flaw in the bundle member 2 that is pulled out intermittently by a predetermined length sequentially during the binding operation. Yes, it is connected to a control means 68 composed of a computer, and when a defective portion is detected, a failure detection signal is sequentially transmitted.

上記制御手段68は被結束物Wの供給手段38の作動と、挟持手段36の開閉作動、ドラム32の回転作動、ヒートシーラ54の作動、張設手段44の昇降シリンダー50と横行シリンダー52との作動、並びに切断手段42の作動、排出コンベア60の作動、排出手段64のシリンダ64bの作動等の各種作動機構部を、それらの同期を取って駆動制御するものである。即ち、制御手段68は供給手段38の駆動モータを所定の一定速度で回転駆動させるとともに、この供給手段38上に所定のピッチで配設されて搬送されてくる被結束物Wの挟持手段36への供給タイミングに相応させてドラム32を90°ずつ間歇回転させる。そして、当該ドラム32の停留期間中においては、上記供給手段38からの被結束物Wの供給タイミングに合わせて、供給位置に停止している挟持手段36の一対の押さえ部材34を開閉作動させて、被結束物Wを挟持させる。また、結束位置では、その上方に設けたヒートシーラ58を揺動させて、挟持手段36で挟持している被結束物Wの周囲に巻き付いている把束材2の両切断端を熱シール接着させて結束する。また、排出位置では、挟持手段36の一対の押さえ部材34を開閉作動させるとともに排出手段64のシリンダー64bを作動させて結束済みの被結束物Wを排出コンベア60上に押し出す。   The control means 68 operates the supply means 38 for the object to be bound W, opens and closes the clamping means 36, rotates the drum 32, operates the heat sealer 54, and operates the elevating cylinder 50 and the traversing cylinder 52 of the tensioning means 44. In addition, various operation mechanisms such as the operation of the cutting means 42, the operation of the discharge conveyor 60, and the operation of the cylinder 64b of the discharge means 64 are driven and controlled in synchronization with each other. That is, the control means 68 drives the drive motor of the supply means 38 to rotate at a predetermined constant speed, and also to the holding means 36 for the object to be bound W conveyed at a predetermined pitch on the supply means 38. The drum 32 is intermittently rotated by 90 ° in accordance with the supply timing. Then, during the stop period of the drum 32, the pair of pressing members 34 of the clamping means 36 stopped at the supply position are opened and closed in synchronization with the supply timing of the bundled article W from the supply means 38. Then, the object to be bound W is clamped. Further, at the binding position, the heat sealer 58 provided above is swung, and both cut ends of the bundling material 2 wound around the object W to be clamped by the clamping means 36 are heat-sealed and bonded. And unite. At the discharge position, the pair of pressing members 34 of the holding means 36 are opened and closed, and the cylinder 64b of the discharge means 64 is operated to push the bundled articles W to be discharged onto the discharge conveyor 60.

ところで、当該制御手段68は、把束材2に不良部があったときに、当該不良部を結束に供さずに廃棄処理する廃棄処理制御手段としも機能するようになっており、上記通常時における結束作動制御に並行して不良部廃棄処理制御も行う。ここで、本実施形態では、不良部検出センサー66の配設位置は、結束に供する把束材2の所定長さ分に合わされて切断手段42よりも上流側に設定されているので、当該不良部検出センサー66が不良部を検出した場合には、次の被結束物Wの挟持手段36への挿入行程時に、把束材2は当該不良部を含んで結束用に所定長さに切断されて供されてしまうことになる。このため、制御手段68は不良部検出センサー66から不良部検出信号を受けると、次回の把束材2の引き出し時にこれを廃棄させるために廃棄指令情報を生成して記憶する。そして、今回は平常のまま各制御対象の各種作動機構を作動させて、被結束物Wにの対する一連の結束動作を行わせる。そして、次の制御サイクルに入ると、上記廃棄指令情報を読み取って不良部廃棄処理制御を行う。図8はその制御フローの一例を示すものであり、同図(a)は不良部の検出制御フロー、(b)は廃棄処理制御フローである。   By the way, the control means 68 also functions as a disposal processing control means for discarding the defective portion without being bundled when the bundle member 2 has a defective portion. In parallel with the bundling operation control at the time, defective part disposal processing control is also performed. Here, in the present embodiment, the disposition position of the defective portion detection sensor 66 is set to the upstream side of the cutting means 42 so as to match the predetermined length of the bundling material 2 used for bundling. When the part detection sensor 66 detects a defective part, the bundle member 2 is cut into a predetermined length for binding including the defective part during the next insertion process of the object W to be clamped 36. Will be served. For this reason, when the control means 68 receives the defective portion detection signal from the defective portion detection sensor 66, the control means 68 generates and stores discard command information in order to discard it when the bundling material 2 is pulled out next time. Then, this time, the various operation mechanisms to be controlled are operated in a normal state, and a series of bundling operations for the objects to be bound W are performed. Then, when the next control cycle is entered, the discard command information is read and defective part discard processing control is performed. FIG. 8 shows an example of the control flow. FIG. 8A shows a detection control flow for a defective portion, and FIG. 8B shows a disposal processing control flow.

先ず、不良部の検出制御フローについて説明すると、図8(a)に示すように制御手段68は把束材2の引き出しが開始されたか否かを判定し(S110)、当該引き出しが開始されると不良部検出センサー66による不良部の検出が開始される(S120)。ここで、上記把束材2の引き出しの開始の判定は張設手段44の引っ張りアーム46を昇降駆動する昇降シリンダー50の動作状態から把握することができるし、あるいはポテンショメータ等によってその昇降位置を検出するようにしても良い。   First, the defective part detection control flow will be described. As shown in FIG. 8A, the control means 68 determines whether or not the bundle member 2 has been pulled out (S110), and the pulling out is started. Then, detection of a defective part by the defective part detection sensor 66 is started (S120). Here, the determination of the start of pulling out the bundling material 2 can be grasped from the operating state of the lifting cylinder 50 that drives the pulling arm 46 of the tensioning means 44 up or down, or the lifting position is detected by a potentiometer or the like. You may make it do.

次に、不良部が発見されたか否かを不良部検出センサー66からの信号に基づいて判定し(S130)、不良部検出信号を受けて不良部を発見した「Yes」の場合には、廃棄指令情報を生成してこれをメモリーに記憶し(S140)、次いで把束材2が結束用の所定の長さで切断されたか否かを判定する(S150)。ここで、上記不良部検出センサー66から不良部検出信号の発信が無く、不良部が発見されない「No」の場合には、上記S140はジャンプしてS150に進む。そして、S150での判定が「No」の場合は、把束材2が所定長さ引き出されて切断されるまで、不良部の検出を続け、当該判定が「Yes」で把束材2が所定の長さまで引き出されて切断されるとリターンされて、次回の引き出しの開始を待つことになる。   Next, it is determined whether or not a defective part has been found based on a signal from the defective part detection sensor 66 (S130). The command information is generated and stored in the memory (S140), and then it is determined whether or not the bundling material 2 has been cut to a predetermined length for binding (S150). Here, in the case of “No” in which no defective part detection signal is transmitted from the defective part detection sensor 66 and no defective part is found, S140 jumps to S150. When the determination in S150 is “No”, the defective portion is continuously detected until the bundle member 2 is pulled out and cut by a predetermined length, and the determination is “Yes” and the bundle member 2 is predetermined. It is returned when it is pulled out to the length of and cut and waits for the start of the next withdrawal.

また、廃棄処理制御フローでは、図8(b)に示すように、先ず廃棄指令情報を読み込んで(S210)、廃棄指令の有無を判断する(S220)。そして、廃棄指令が有って「Yes」であると、制御手段68は少なくとも供給手段38の作動を一時的に停止させる。なお、本実施形態では、当該供給手段38の停止と同時にドラム32の回転作動、挟持手段36の開閉動作、ヒートシーラ58の熱シール動作も停止される(S230)。   In the discard process control flow, as shown in FIG. 8B, first, discard command information is read (S210), and the presence / absence of a discard command is determined (S220). If there is a discard command and the answer is “Yes”, the control means 68 temporarily stops at least the operation of the supply means 38. In the present embodiment, simultaneously with the stop of the supply means 38, the rotation operation of the drum 32, the opening / closing operation of the clamping means 36, and the heat sealing operation of the heat sealer 58 are also stopped (S230).

次に、制御手段68は廃棄指令情報を消去した後(S240)、張設手段44 の昇降シリンダ を上昇駆動させて引っ張りアーム の先端を、把束材2の下端の切断端が垂下している切断位置まで上昇させる。このとき、切断位置に至る迄に引っ張りアーム46の先端を開放させておき、切断位置に達した時点で当該引っ張りアーム46先端を閉じさせて把束材2の切断端を挟持する。爾後、昇降シリンダー50を結束に供する把束材2の所定長さに相当する分だけ短縮動作させて、把束材2下端の切断端を下方の廃棄位置まで下降動作させて、不良部を含んだ状態で把束材2を所定の長さだけ切断手段42の下方に引き出す(S250、図6参照)。なお、当該引き出しにより、図8(a)の不良部の検出制御フローが並行して行われることになる。   Next, after erasing the discard command information (S240), the control means 68 drives the elevating cylinder of the tensioning means 44 to rise so that the tip of the pull arm is suspended and the lower end of the bundle member 2 is suspended. Raise to cutting position. At this time, the leading end of the pulling arm 46 is opened until reaching the cutting position, and when the cutting position is reached, the leading end of the pulling arm 46 is closed and the cut end of the bundle 2 is clamped. Thereafter, the elevating cylinder 50 is shortened by an amount corresponding to a predetermined length of the bundling material 2 used for bundling, and the cut end of the lower end of the bundling material 2 is moved down to a lower disposal position to include a defective portion. In this state, the bundle 2 is pulled out below the cutting means 42 by a predetermined length (S250, see FIG. 6). Note that the detection control flow of the defective portion in FIG. 8A is performed in parallel by the drawing.

ここで、本実施形態では、当該廃棄位置の側方には切断した不良部を含む把束材2を吸引回収するための回収ボックス70が設けられており、制御手段68は把束材2の下端を廃棄位置まで下降させて引き出すと、当該回収ボックス70の吸引ポンプ72を作動させる(S260)とともに、切断手段42を作動させて当該不良部を含んで引き出された把束材2を所定長さにて切断し(S270)、かつ張設手段44の引っ張りアーム46の先端を開放して切断した把束材2を把束用には供さずに回収ボックス70内に廃棄処理回収して(S280、図7参照)リターンする。   Here, in the present embodiment, a collection box 70 for sucking and collecting the bundle material 2 including the cut defective portion is provided on the side of the disposal position. When the lower end is lowered to the disposal position and pulled out, the suction pump 72 of the recovery box 70 is operated (S260), and the cutting means 42 is operated to pull out the bundle 2 drawn out including the defective portion by a predetermined length. Then, the bundle member 2 cut by cutting (S270) and opening the tip of the pulling arm 46 of the tensioning means 44 is discarded and collected in the collection box 70 without being used for bundles. (S280, see FIG. 7) Return.

一方、上記S220での判定が「No」で、廃棄指令が無い場合には、通常の結束処理制御フローに進み、供給手段38、ドラム32、挟持手段36、張設手段44、ヒートシーラ58等の各作動機構を同期させて通常の結束動作を行わせる(S290)。   On the other hand, if the determination in S220 is “No” and there is no discard command, the flow proceeds to a normal bundling control flow, and the supply means 38, drum 32, clamping means 36, tensioning means 44, heat sealer 58, etc. Each operation mechanism is synchronized to perform a normal bundling operation (S290).

従って、以上のように構成された結束装置にあっては、原反6から繰り出される長尺な帯状の把束材2に不良部があると、当該不良部を含んで切断される把束材2は結束用には供されることなく自動的に廃棄回収処理されるので、良品の被結束物Wを不良な捉束材2で結束してしまうことを防止できるようになる。このため、不良部を含んだ捉束材2で結束してしまった被結束物Wを、従来のように生産ラインから一旦排除して回収し、その回収した被結束物Wを再検査してから再度結束処理するといった無駄な作業が不必要になり、省力化も図れるようになる。さらには、不良な捉束材2結束してしまった被結束物Wを排除する際に、良品である被結束物Wに損傷を与えてしまうようなことも生じることがなく、もって歩留まりの可及的な向上が図れるようになる。   Therefore, in the bundling device configured as described above, if there is a defective portion in the long band-shaped bundle material 2 fed out from the raw fabric 6, the bundle member that is cut including the defective portion. Since 2 is automatically discarded and recovered without being used for binding, it is possible to prevent a good binding object W from being bound by a defective binding material 2. For this reason, the to-be-bundled object W bound by the bundling material 2 including the defective portion is temporarily removed from the production line and collected as in the conventional method, and the collected to-be-bundled object W is inspected again. Therefore, a wasteful operation such as bundling again is unnecessary, and labor saving can be achieved. Furthermore, when the binding material W that has bound the defective binding material 2 is excluded, the binding material W, which is a good product, is not damaged, and the yield can be increased. As much as possible.

なお、以上に説明した実施形態では、不良部検出センサ66は被結束物Wの結束に必要な所定長分だけ切断手段42よりも上流側に配設しているが、その配設位置は当該所定長の2倍までの範囲内であれば、当該不良部検出センサ66で次回の供給分となる把束材中に含まれる不良部を検出することができる。また、当該不良部検出センサ66さらに上流側に配設しても良い。この場合、把束用に所定長さに切断されて供給される把束材中にその検出した不良部が含まれてしまうタイミング(何回後の結束時に供されることになるか)は、不良部検出センサ66の配設部位から切断手段42の設置位置までの経路長を結束用に供する把束材2の切断長さ(所定長)で除することで容易に得られる。よって、このタイミングを算出して、不良部の廃棄処理作動を行わせるようにすれば良い。   In the embodiment described above, the defective portion detection sensor 66 is arranged upstream of the cutting means 42 by a predetermined length necessary for bundling the objects to be bundled W. If it is within the range up to twice the predetermined length, the defective portion detection sensor 66 can detect a defective portion included in the bundle material to be supplied next time. Further, the defective portion detection sensor 66 may be disposed further upstream. In this case, the timing at which the detected defective portion is included in the bundle material cut and supplied to the bundle for the bundle (how many times will it be used at the time of bundling), This is easily obtained by dividing the path length from the location where the defective portion detection sensor 66 is disposed to the installation position of the cutting means 42 by the cutting length (predetermined length) of the bundling material 2 used for bundling. Therefore, it is only necessary to calculate this timing and cause the defective portion to be discarded.

図9はの上記実施形態の変形例を示すものである。この変形例にあっては、不良部検出センサー66は切断手段42に近接されてその上流側に設けられており、ここでは、被結束物Wを挟持手段36内に挿入供給する時に当該被結束物Wに押し込まれて若干引きだされる把束材2の長さに相当する分の経路長だけ上流側に配置されている。即ち、張設手段44の引っ張りアーム46で把束材2の下端を掴んで張設位置に保持して把束材2を張設している状態(図11参照)から、被結束物Wを挟持手段36内に押し込んで当該被結束物Wの外周囲に把束材2を巻き付けて行くときに引き出される当該把束材2の長さ分に相当する経路長分だけ、切断手段42よりも上流側に配置されている。   FIG. 9 shows a modification of the above embodiment. In this modification, the defective portion detection sensor 66 is provided close to the cutting means 42 and upstream thereof, and here, when the article to be bound W is inserted and supplied into the clamping means 36, the bound part is bound. The path length corresponding to the length of the bundling material 2 pushed into the object W and slightly pulled out is arranged on the upstream side. That is, from the state (see FIG. 11) in which the bundle member 2 is stretched by holding the lower end of the bundle member 2 with the pulling arm 46 of the stretching means 44 and holding it in the stretched position (see FIG. 11). Compared to the cutting means 42 by a path length corresponding to the length of the bundle member 2 pulled out when the bundle member 2 is wound around the outer periphery of the object to be bound W by being pushed into the holding means 36. Arranged upstream.

つまり、不良部検出センサ66は被結束物Wが挟持手段36内に挿入供給され始める以前に、爾後の結束に供される所定長さ分の捉束材2に対してその不良部の検出を行うようになっていて、当該被結束物Wの挿入供給時に不良部検出センサ66の取付部位を通過していく把束材部分は次回の結束時に所定長さに切断されて供される把束材2中に含まれることになる。よって、当該不良部検出センサー66の取付部位を通過して次回の供給部分となる切断端までの間の把束材部分に不良部があった場合には、その不良情報を廃棄指令として制御手段68に予め記憶させておく必要がある。また、張設手段44の引っ張りアーム46で把束材2の下端を掴んで張設位置に移動させた時点で、今回の結束用に供する所定長さの把束材2の不良部の検出が完了することになる。このため、不良部廃棄処理の制御フローも前記実施形態の場合と異なることになる。   In other words, the defective portion detection sensor 66 detects the defective portion of the binding material 2 for a predetermined length to be used for binding after the binding before the object to be bound W starts to be inserted and supplied into the holding means 36. The bundle material portion that is configured to be cut and is cut to a predetermined length at the next bundling is provided for the bundling material portion that passes through the attachment portion of the defective portion detection sensor 66 when the bundled object W is inserted and supplied. It will be included in the material 2. Therefore, if there is a defective part in the bundle material part between the cutting part which will be the next supply part after passing through the attachment part of the defective part detection sensor 66, the defect information is used as a discard command to control means. 68 must be stored in advance. Further, when the lower end of the bundle member 2 is grasped by the pulling arm 46 of the tensioning means 44 and moved to the tension position, a defective portion of the bundle member 2 having a predetermined length used for the current binding is detected. Will be completed. For this reason, the control flow of the defective portion discarding process is also different from that in the above embodiment.

図12は、その制御フローの一例を示すフローチャートである。即ち、同図に示すように本変形例では、制御手段68は先ず、廃棄指令情報を読み込んで廃棄指令の有無の判断を行う(S310,S320)。そして、廃棄指令のあるYesの場合には、S330〜S420へと進んで廃棄処理を順次行うことになる。この廃棄処理では、先ず供給手段38や挟持手段36、ドラム32、ヒートシーラ58等の各種作動機構が一時停止されるとともに(S330)、廃棄指令情報が消去される(S340)。   FIG. 12 is a flowchart showing an example of the control flow. That is, as shown in the figure, in this modification, the control means 68 first reads the discard command information and determines whether or not there is a discard command (S310, S320). In the case of Yes with a discard command, the process proceeds to S330 to S420 and the discard process is sequentially performed. In this discarding process, first, various operating mechanisms such as the supply unit 38, the clamping unit 36, the drum 32, and the heat sealer 58 are temporarily stopped (S330), and the discard command information is deleted (S340).

次に、張設手段44が作動されて、引っ張りアーム46が把束材2の下端の切断端を挟持して掴み、当該把束材2の下端を廃棄位置まで移動させて把束材2を切断手段42の下方に所定長だけ引き出す(S350)。そして、当該把束材2の引き出しが開始されたか否かを判定し(S360)、当該引き出しが開始されると不良部検出センサー66による不良部の検出を開始するとともに、引き出し量の算出をし、不良部を検出した場合にはその位置を引き出し量で特定する(S370)。そして、回収ボックス70の吸引ポンプ72を作動させるとともに(S380)、所定長に引き出した把束材2を切断手段42で切断し(S390)、かつ引っ張りアーム46を開放作動させて、切断した不良部を含む把束材2を回収ボックス70内に吸引して回収廃棄する(S400)。   Next, the tensioning means 44 is actuated so that the pulling arm 46 grips and holds the cut end of the lower end of the bundle member 2, moves the lower end of the bundle member 2 to the disposal position, and moves the bundle member 2. A predetermined length is drawn below the cutting means 42 (S350). Then, it is determined whether or not the pulling out of the bundling material 2 is started (S360). When the pulling out is started, detection of a defective portion by the defective portion detecting sensor 66 is started and the amount of drawing is calculated. If a defective portion is detected, the position is specified by the pull-out amount (S370). Then, the suction pump 72 of the recovery box 70 is operated (S380), the bundle 2 pulled out to a predetermined length is cut by the cutting means 42 (S390), and the pulling arm 46 is opened and the defective cut. The bundle member 2 including the portion is sucked into the collection box 70 and collected and discarded (S400).

次に、制御手段68は、不良部検出センサ66の取付部位を既に通過している把束材2下端の切断端から当該不良部検出センサー66の取付部位までの間の把捉材2部分に、不良部が検出されているか否かを判定し、不良部を検出していない「No」の場合にはリターンする。一方、不良部を検出している「Yes」の場合には、廃棄指令情報を生成して記憶した後にリターンする(S410、S420)。   Next, the control means 68 has a gripping material 2 portion between the cut end of the bundle member 2 that has already passed through the attachment portion of the defective portion detection sensor 66 and the attachment portion of the defective portion detection sensor 66, It is determined whether or not a defective part has been detected. If “No” in which no defective part has been detected, the process returns. On the other hand, in the case of “Yes” in which a defective part is detected, the process returns after generating and storing the discard command information (S410, S420).

また、S320での判定が「No」で廃棄指令がなかった場合には、S430に進んで通常の結束処理を行う。この通常の結束処理では、供給手段38、ドラム32、挟持手段36、張設手段44、切断手段42、ヒートシーラ58、排出手段64、排出コンベア60等の各種作動機構を設定された速度とタイミングに同期調整しつつ、順次に作動制御していく。そして、当該通常の結束処理を進めながら、不良部の検出を同時に並行して行う。   If the determination in S320 is “No” and there is no discard command, the process proceeds to S430 to perform normal bundling processing. In this normal bundling process, various operating mechanisms such as the supply means 38, the drum 32, the clamping means 36, the tensioning means 44, the cutting means 42, the heat sealer 58, the discharge means 64, and the discharge conveyor 60 are set at a set speed and timing. The operation is sequentially controlled while adjusting the synchronization. And while proceeding with the normal bundling process, the detection of the defective part is simultaneously performed in parallel.

即ち、把束材2の引き出しが開始されたか否かを判定して(S440)、当該引き出しが開始されると不良部検出センサー66による不良部の検出を開始するとともに、引き出し量の算出をし、不良部を検出したときには、その位置を引き出し量で特定する(S450)。そして、不良部が検出されたか否かを逐次判定する(S460)。ここで、不良部が検出されない場合には、さらに把束材2が所定長さで切断されたか否かを判定し(S470)、未だ切断されていなければS460に戻って不良部の有無の判定を繰り返す。また所定長さで切断されていればリターンする。なお、引出量はローラ8にロータリーエンコーダ等を取り付けて検知できる。   That is, it is determined whether or not the bundling material 2 has been pulled out (S440). When the pulling is started, the defective portion detection sensor 66 starts detecting a defective portion and calculates the amount of pull-out. When a defective portion is detected, the position is specified by the amount of withdrawal (S450). Then, it is sequentially determined whether or not a defective portion is detected (S460). Here, if a defective portion is not detected, it is further determined whether or not the bundling material 2 has been cut to a predetermined length (S470). If not yet cut, the process returns to S460 to determine whether there is a defective portion. repeat. Moreover, if it is cut | disconnected by predetermined length, it will return. Note that the amount of withdrawal can be detected by attaching a rotary encoder or the like to the roller 8.

一方、S460での判定が「Yes」で不良部が検出された場合には、さらにその不良部の位置が今回の把束材供給分に含まれているか否かをその不良部の位置から判定し、今回の供給分に含まれる「Yes」の場合には、上述のS330に進んで廃棄処理を行ってリターンする。また、当該S460での判定が「No」で今回の供給分に含まれずに、次回の供給分となる場合には、前述のS420に進んで廃棄指令情報を生成するとともにこれを記憶してリターンする。   On the other hand, when the determination in S460 is “Yes” and a defective part is detected, it is further determined from the position of the defective part whether or not the position of the defective part is included in the current bundle material supply. However, in the case of “Yes” included in the current supply, the process proceeds to S330 described above to perform the discarding process and returns. Also, if the determination in S460 is “No” and it is not included in the current supply but is the next supply, the process proceeds to S420 described above to generate the discard command information and store it and return. To do.

なお、当該変形例では廃棄処理に際して、不良部を含んだ把束材2を結束に必要な所定長さ分を引き出して廃棄処理するようにしているが、不良部の把束材上の位置が判っていれば、当該不良部を切断手段42の直下に位置させて把束材2の引き出しを停止させ、当該不良部の直上部で把束材2を切断するようにすることも可能である。そして、この様にした場合には、次の把束材2の引き出し時において、一時停止されている供給手段38等の他の各種手段の作動機構の再作動の開始タイミングを張設手段44の動作に合わせて再開することで、それら他の各種手段の作動機構と張設手段の44作動機構との同期調整をして、通常の結束処理を再開させるようにすれば良い。   In this modification, in the disposal process, the bundling material 2 including the defective part is pulled out for a predetermined length necessary for bundling and discarded, but the position of the defective part on the bundling material is If it is known, it is also possible to stop the pulling of the bundle material 2 by positioning the defective portion directly below the cutting means 42 and cut the bundle material 2 immediately above the defective portion. . In this case, when the next bundle member 2 is pulled out, the re-operation start timing of the operation mechanism of other various means such as the supply means 38 that is temporarily stopped is set to the tensioning means 44. By resuming in accordance with the operation, it is only necessary to adjust the synchronization of the operation mechanism of these other various means and the 44 operation mechanism of the tensioning means to resume the normal bundling process.

そして、この様な構成とすれば、検出した不良部箇所の把束材2上の位置を当該把束材2の引き出し量で認識して、当該不良部箇所を前記切断位置の直下に移動させて切断できるので、不良部とともに廃棄してしまう把束材2の良品部分を可及的に少量に抑制でき、把束材の無駄な廃棄を防止できるようになる。   And if it is such a structure, the position on the bundle material 2 of the detected defective part location will be recognized by the drawing amount of the bundle material 2, and the defective part location will be moved just under the cutting position. Therefore, the non-defective part of the bundling material 2 that is discarded together with the defective portion can be suppressed to a small amount as much as possible, and wasteful disposal of the bundling material can be prevented.

なお、このように不良部箇所を切断手段の直下に移動させて切断することは、検出した不良部箇所の把束材2上の位置を当該把束材2の引き出し量で認識するようにしていれば、不良部検出センサーは何処に配設されていても可能である。   Note that the cutting by moving the defective portion directly below the cutting means in this way recognizes the position of the detected defective portion on the bundle member 2 based on the amount of the bundle member 2 pulled out. In this case, the defective portion detection sensor can be arranged anywhere.

把束材で結束された被結束物を示し、同図(a)は平面図、(b)は(a)中のb−b線矢視断面図である。The bound object bound by the bundling material is shown, in which (a) is a plan view and (b) is a cross-sectional view taken along the line bb in (a). 従来例の結束装置の全体構成を示す概略図である。It is the schematic which shows the whole structure of the bundling device of a prior art example. 把束材を巻き取った原反の斜視図である。It is the perspective view of the original fabric which wound up the bundle material. 本発明に係る結束装置の好適な実施形態の全体構成を概略的に示す側面図で、把束材の張設開始状態を示すものである。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view schematically showing an overall configuration of a preferred embodiment of a binding device according to the present invention, and shows a state in which a bundle material is started to be stretched. 同上、本発明に係る結束装置の好適な実施形態の全体構成を概略的に示す側面図で、被結束物を挟持手段内に挿入供給直後の状態を示すものである。FIG. 2 is a side view schematically showing the overall configuration of a preferred embodiment of a bundling device according to the present invention, showing a state immediately after an object to be bound is inserted and supplied into a clamping means. 同上、本発明に係る結束装置の好適な実施形態の全体構成を概略的に示す側面図で、把束材の切断端を廃棄位置まで引き出した状態を示すものである。FIG. 2 is a side view schematically showing the overall configuration of a preferred embodiment of a bundling device according to the present invention, showing a state where a cut end of a bundling material is pulled out to a disposal position. 同上、本発明に係る結束装置の実施形態の全体構成を概略的に示す側面図であり、廃棄する把束材を回収手段で回収している状態を示すものである。It is a side view which shows roughly the whole structure of embodiment of the binding apparatus which concerns on this invention same as the above, and shows the state which is collecting the bundling material to discard with the collection | recovery means. 上記実施形態における廃棄処理作動の制御手順を説明するためのフローチャートである。It is a flowchart for demonstrating the control procedure of the discard process operation | movement in the said embodiment. 本発明に係る結束装置の変形実施形態の全体構成を概略的に示す側面図であり、把束材の張設開始状態を示すものである。It is a side view which shows roughly the whole structure of the deformation | transformation embodiment of the binding apparatus which concerns on this invention, and shows the tension start state of a bundling material. 同上、本発明に係る結束装置の変形実施形態の全体構成を概略的に示す側面図であり、把束材の切断端を挟持手段の直下まで引き出した状態を示すものである。It is a side view which shows roughly the whole structure of the deformation | transformation embodiment of the binding apparatus which concerns on this invention same as the above, and shows the state which pulled out the cut end of the bundling material to just under the clamping means. 同上、本発明に係る結束装置の変形実施形態の全体構成を概略的に示す側面図であり、把束材の切断端を張設位置に保持した状態を示すものである。It is a side view which shows roughly the whole structure of the deformation | transformation embodiment of the binding apparatus which concerns on this invention same as the above, and shows the state which hold | maintained the cutting end of the bundling material in the tension position. 変形実施形態における廃棄処理作動の制御手順の一例を説明するためのフローチャートである。It is a flowchart for demonstrating an example of the control procedure of the discard process operation | movement in deformation | transformation embodiment.

符号の説明Explanation of symbols

2 把束材 6 原反
32 ドラム 34 押さえ部材
36 挟持手段 38 供給手段
40 ガイド板 41 搬入コンベア
42 切断手段 44 把束材張設手段
46 引っ張りアーム
50 昇降シリンダー 52 横行シリンダー
54 結束手段 56 ガイド
58 ヒートシーラ 58b 熱シール手段
60 排出コンベア 64 排出手段
64a プッシャ 64b シリンダ
66 不良部検出センサー
68 制御手段(不良部廃棄処理制御手段)
W 被結束物(PTP包装物の積層体)
2 Bundling material 6 Original fabric 32 Drum 34 Holding member 36 Holding means 38 Supply means 40 Guide plate 41 Carrying conveyor 42 Cutting means 44 Bundling material stretching means 46 Pulling arm 50 Lifting cylinder 52 Traverse cylinder 54 Bundling means 56 Guide 58 Heat sealer 58b Heat sealing means 60 Discharge conveyor 64 Discharge means 64a Pusher 64b Cylinder 66 Defective part detection sensor 68 Control means (Defective part disposal processing control means)
W Bundled material (laminate of PTP package)

Claims (6)

間歇回転されるドラムに放射状に配置されて、先端部に被結束物を挟持する開閉自在な一対の押さえ部材を有した挟持手段と、
供給位置に送給されてくる被結束物を、該供給位置に臨んで開放状態で停止している該挟持手段の一対の押さえ部材間に挿入する供給手段と、
原反から繰り出される帯状の把束材の先端を挟持して所定の張設位置まで引き出し、該供給位置に停止している該挟持手段の一対の押さえ部材の開口間を横断させて張設する把束材張設手段と、
該押さえ部材間に挿入される該被結束物の移動に伴って、その外周囲に巻き付けられた該把束材を該供給位置よりも上流側で所定長さに切断する把束材切断手段と、
該挟持手段に挟持されて結束位置に停止された被結束物に巻き付ついている該把束材の切断部両端同士を重ね合わせて接着結束する結束手段と、
排出位置に停止した該挟持手段から結束後の被結束物を排出する排出手段と、を備えた結束装置において、
該原反から繰り出されてくる把束材の不良部を検出する不良部検出センサーを、該把束材切断手段よりも上流側の繰り出し経路の途中に設け、
該不良部検出センサーで検出した不良部が、結束用に引き出されて所定長さに切断されて供される把束材中に含まれてしまう場合には、該供給手段による被結束物の供給作動を停止させる一方、該捉束材の下端を挟持した張設手段を該不良部が該切断手段を通過する位置まで移動させて引き出し、該切断手段によって該捉束材を切断して廃棄する不良部廃棄処理制御手段を設けた、
ことを特徴とする結束装置。
Clamping means having a pair of openable and closable pressing members that are radially arranged on the drum that is intermittently rotated and clamps the object to be bound at the tip part;
A supply means for inserting the object to be bound fed to the supply position between a pair of pressing members of the clamping means that are stopped in an open state facing the supply position;
The end of the band-shaped bundle member fed from the original fabric is clamped and pulled out to a predetermined tensioning position, and stretched across the openings of the pair of pressing members of the clamping means stopped at the supply position. Bundling material tensioning means;
A bundle material cutting means for cutting the bundle material wound around the outer periphery to a predetermined length upstream of the supply position in accordance with the movement of the object to be inserted inserted between the pressing members; ,
A bundling means for bonding and bundling the both ends of the cut portion of the bundle member wrapped around the bundled object that is nipped by the clamping means and stopped at the bundling position;
In a bundling apparatus comprising: a discharge unit that discharges a bundled object after bundling from the clamping unit stopped at a discharge position;
A defective portion detection sensor for detecting a defective portion of the bundle material fed from the original fabric is provided in the middle of the supply path upstream of the bundle material cutting means,
When the defective part detected by the defective part detection sensor is included in the bundled material that is pulled out for bundling and cut into a predetermined length, the bundled material is supplied by the supply means. While stopping the operation, the tensioning means holding the lower end of the binding material is moved to the position where the defective portion passes through the cutting means and pulled out, and the binding material is cut and discarded by the cutting means. Provided defective part disposal processing control means,
A bundling device characterized by that.
前記不良部検出センサは、切断されて結束用に供される把束材の所定長さ分以上、前記切断手段よりも上流側に離されて設けられていることを特徴とする請求項1記載の結束装置。   2. The defective portion detection sensor is provided at a distance equal to or longer than a predetermined length of a bundling material to be cut and used for bundling, and separated from the cutting means upstream. Binding device. 前記不良部廃棄処理制御手段は、前記不良部検出センサが不良部を検出すると、把束用に所定長さに切断されて供給される把束材中に該不良部が含まれるタイミングを算出し、該不良部を含んだ把束材が把束用に供されてしまう結束作動時に該結束作動を一時停止させて、前記張設手段により前記把束材の切断端を、前記結束用に供される捉束材の所定長さ分以上離間させて設定した所定の廃棄位置まで引き出すことを特徴とする請求項2記載の結束装置。   When the defective portion detection sensor detects the defective portion, the defective portion discarding processing control means calculates a timing at which the defective portion is included in a bundle material cut into a predetermined length and supplied for the bundle. When the bundling operation including the defective portion is used for bundling, the bundling operation is temporarily stopped and the cut end of the bundling material is used for bundling by the tensioning means. 3. The bundling device according to claim 2, wherein the bundling material is pulled out to a predetermined disposal position set apart by a predetermined length or more. 前記不良部検出センサは、前記被結束物の挟持手段内への挿入供給に伴って引き出される引き出し量分以上、前記切断手段よりも上流側に位置されて設けられていることを特徴とする請求項1記載の結束装置。   The defective portion detection sensor is provided to be positioned upstream of the cutting means by an amount equal to or more than a drawing amount withdrawn when the bundled object is inserted into the holding means. Item 1. A bundling apparatus according to item 1. 前記不良部廃棄処理制御手段は、前記不良部検出センサが不良部を検出すると、該不良部箇所の把束材上の位置を把束材の引き出し量で認識し、該不良部箇所を前記切断位置の直下に移動させて切断することを特徴とする請求項4記載の結束装置。   When the defective part detection sensor detects the defective part, the defective part discarding processing control means recognizes the position of the defective part on the bundle material by the pulling amount of the bundle, and cuts the defective part at the cutting position. The bundling device according to claim 4, wherein the bundling device is cut by moving it directly below the position. 前記廃棄位置の側方に、廃棄する把束材を吸引して回収する回収手段が設けられていることを特徴とする請求項1〜5のいずれかに記載の結束装置。
The bundling device according to any one of claims 1 to 5, further comprising a collecting unit that sucks and collects the bundling material to be discarded at a side of the discarding position.
JP2004150303A 2004-05-20 2004-05-20 Bundling device for goods Expired - Lifetime JP4317787B2 (en)

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