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JP2012017178A - Underlay supply device - Google Patents

Underlay supply device
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JP2012017178A
JP2012017178AJP2010155474AJP2010155474AJP2012017178AJP 2012017178 AJP2012017178 AJP 2012017178AJP 2010155474 AJP2010155474 AJP 2010155474AJP 2010155474 AJP2010155474 AJP 2010155474AJP 2012017178 AJP2012017178 AJP 2012017178A
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underlay
conveyor
pair
receive
rotating members
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JP5657934B2 (en
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Toshihiro Yoneda
利博 米田
Kunishige Ninomiya
邦慈 二宮
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Rengo Co Ltd
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Rengo Co Ltd
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Abstract

Translated fromJapanese

【課題】設置スペースに縮小化を図ることができるようにした下敷の供給装置を提供することである。
【解決手段】シートスタッカ1の昇降テーブル2に下敷Pを送り込むレシーブコンベヤ10と、そのレシーブコンベヤ10の搬送面上に下敷Pを一枚ずつ送り込む並列配置の複数の下敷送込み装置20a、20bとからなり、前記複数の下敷送込み装置20a、20bのそれぞれを、搬出端に向けて下敷Pを一枚ずつ間歇的に搬送する下敷供給コンベヤ30と、その下敷供給コンベヤ30から送り込まれてくる下敷Pを受け取ってレシーブコンベヤ10の搬送面上に向けて移送させる下敷移送装置31とで形成する。その下敷供給コンベヤ30と下敷移送装置31をレシーブコンベヤ10の搬送方向と直交する方向に直列に配置して設置スペースの縮小化を図る。
【選択図】図2
An object of the present invention is to provide an underlay supply device capable of reducing the installation space.
A receive conveyor 10 for sending an underlay P to an elevating table 2 of a sheet stacker 1, and a plurality of underlay feeding devices 20a and 20b arranged in parallel for sending the underlay P one by one on the conveying surface of the receive conveyor 10; Each of the plurality of underlay feeding devices 20a and 20b, the underlay supply conveyor 30 that intermittently conveys the underlay P one by one toward the carry-out end, and the underlay fed from the underlay supply conveyor 30 It is formed by an underlay transfer device 31 that receives P and transfers it toward the transport surface of the receive conveyor 10. The underlay supply conveyor 30 and the underlay transport device 31 are arranged in series in a direction orthogonal to the conveying direction of the receive conveyor 10 to reduce the installation space.
[Selection] Figure 2

Description

Translated fromJapanese

この発明は、シートスタッカの昇降テーブル上に必要枚数のパネル状の下敷を自動的に供給する下敷の供給装置に関する。  The present invention relates to an underlay supply device that automatically supplies a required number of panel-like underlays on a lift table of a sheet stacker.

一般に、段ボールシートを製造するコルゲータにおいては、ダブルフェーサから送り出される連続状の両面段ボールや複両面段ボール等の段ボールの両側の耳部をトリミングすると共に、スリッタにより所要の幅寸法に切断して複数条の連続段ボールを形成し、ロータリカッタによってこの複数条の連続段ボールを幅方向に切断して所定の長さに複数の矩形状段ボールシートを形成し、この段ボールシートをロータリカッタの下流側に設けられた搬送コンベヤ上において搬送方向に瓦状にラップさせて下流側に搬送し、その搬送途中においてラップ状の段ボールシートを設定枚数毎に区分し、その区分された段ボールシートを搬送コンベヤの搬出端より下流側に設けられたシートスタッカによって積み重ねるようにしている。  In general, in a corrugator that manufactures a corrugated cardboard sheet, trimming the ears on both sides of a continuous double-sided cardboard or double-sided cardboard sent out from a double facer and cutting it into a required width dimension with a slitter. A continuous corrugated board is formed, and the plurality of continuous corrugated boards are cut in the width direction by a rotary cutter to form a plurality of rectangular corrugated cardboard sheets to a predetermined length, and the corrugated board sheets are provided downstream of the rotary cutter. Wrapped in a tile shape in the transport direction on the transport conveyor and transported to the downstream side. During the transport, the wrap-shaped corrugated cardboard sheet is divided for each set number of sheets, and the sorted corrugated cardboard sheet is downstream from the carry-out end of the transport conveyor. They are stacked by a sheet stacker provided on the side.

図8(ヘ)、(ト)は、搬送コンベヤ60の下流側に設けられたシートスタッカ1を示す。このシートスタッカ1は、昇降テーブル2と、その昇降テーブル2上に設けられた対向配置のフロントガイド3およびバックガイド4とを有し、上記搬送コンベヤ60の搬出端から搬出される矩形状の段ボールシートSの前端をフロントガイド3へ衝突させることにより、そのフロントガイド3とバックガイド4間に落下させて昇降テーブル2で支持し、この昇降テーブル2を搬送コンベヤ60から搬出される段ボールシートSの搬出枚数に応じて下降させて段ボールシートSを順次積み重ねるようにしている。  8F and 8G show thesheet stacker 1 provided on the downstream side of thetransport conveyor 60. FIG. Thissheet stacker 1 has a lifting table 2 and afront guide 3 and aback guide 4 disposed on the lifting table 2 and facing each other, and is a rectangular corrugated cardboard unloaded from the unloading end of thetransfer conveyor 60. By colliding the front end of the sheet S with thefront guide 3, the sheet S is dropped between thefront guide 3 and theback guide 4 and supported by the elevating table 2, and the elevating table 2 is unloaded from theconveyor 60. The cardboard sheets S are sequentially stacked by being lowered according to the number of carry-outs.

ここで、昇降テーブル2は、搬送コンベヤ60での段ボールシートSの搬出方向と直交する方向に並列に配置された複数のローラ5を有し、その複数のローラ5で段ボールシートSを支持し、上記昇降テーブル2が下限位置まで下降して停止すると、複数のローラ5を一方向に回転させて積み重ねられた山積みシートSを昇降テーブル2に搬送コンベヤ60と直交する方向に接続された排出コンベヤ61上に送り出すようにしている。Here, the lifting table 2 has a plurality ofrollers 5 arranged in parallel in a direction orthogonal to the carrying-out direction of the cardboard sheet S on theconveyor 60, and supports the cardboard sheet S with the plurality ofrollers 5. When the elevating table 2 is stopped lowered to the lower limit position, discharge conveyor connected to pile sheet S0 stacked by rotating a plurality ofrollers 5 in one direction in a direction perpendicular to thetransport conveyor 60 to the elevating table 2 61 is sent out.

上記のようなシートスタッカ1によって段ボールシートSを積み重ねる場合、普通、昇降テーブル2のローラ5上に合板等のパネルからなる比較的剛性の高い下敷Pを載置し、その下敷P上に段ボールシートSを積み重ねるようにしている。  When stacking the corrugated cardboard sheets S by thesheet stacker 1 as described above, usually a relatively rigid base P made of a panel such as plywood is placed on theroller 5 of the lifting table 2, and the corrugated cardboard sheet is placed on the base P. S is stacked.

この場合、下敷Pは段ボールシートSの長さおよび幅寸法に応じて最適な大きさのものが用いられると共に、コルゲータによって、例えば、図8(ヘ)に示すように幅方向に6枚の段ボールシートSを同時に互に密接させて形成するような場合は、6枚の下敷Pを側縁を互に接触させた状態で昇降テーブル2上に載置して、各下敷P上に段ボールシートSを積み重ねるようにしている。  In this case, the underlay P has an optimum size according to the length and width dimension of the corrugated cardboard sheet S, and, by a corrugator, for example, six cardboards in the width direction as shown in FIG. When the sheets S are formed in close contact with each other at the same time, the six underlays P are placed on the elevating table 2 with the side edges in contact with each other, and the corrugated cardboard sheet S is placed on each underlay P. Are stacked.

ここで、昇降テーブル2上に下敷Pを人手によって並べると、作業性が悪く、また、昇降テーブル2が上下動するため、極めて危険である。そのような不都合を解消するため、特許文献1では、シートスタッカ1の昇降テーブル2に対して下敷Pを自動的に供給する供給装置を提案している。  Here, if the underlay P is manually arranged on the lifting table 2, workability is poor and the lifting table 2 moves up and down, which is extremely dangerous. In order to eliminate such inconvenience,Patent Document 1 proposes a supply device that automatically supplies the underlay P to the lifting table 2 of thesheet stacker 1.

上記特許文献1に記載された下敷の供給装置においては、下敷搬送装置によって多数の下敷からなる下敷集積体をリフト装置のリフトテーブル上に送り込み、そのリフトテーブルで支持された下敷集積体の下敷をプッシャ装置により上部から一枚ずつエレベータコンベヤの上部に送り込み、そのエレベータコンベヤにより下敷を下方に一定ストローク間歇的に搬送して、その下方に配置されたレシーブコンベヤとの間で下敷の受渡しを行い、上記下敷が受渡しされる毎に、下敷の幅寸法に対応する距離を移動量としてレシーブコンベヤを間歇的に移動させて必要枚数の下敷を整列させ、その整列された下敷をシートスタッカの昇降テーブル上に送り込むようにしている。  In the supply device for the underlay described in the above-mentionedPatent Document 1, an underlay assembly made up of a large number of underlays is fed onto the lift table of the lift device by the underlay transport device, and the underlay assembly supported by the lift table is sent to the underlay assembly. The pusher device feeds them one by one from the top to the upper part of the elevator conveyor. The elevator conveyor transports the basement downward for a fixed stroke intermittently, and delivers the basement to and from the receive conveyor arranged below. Each time the above-mentioned underlay is delivered, the receiving conveyor is moved intermittently with the distance corresponding to the width of the underlay as the movement amount to align the required number of underlays, and the aligned underlays are placed on the lift table of the sheet stacker. To send it to.

ここで、シートスタッカの昇降テーブル上には、前述のように、長さおよび幅寸法の異なる数種の段ボールシートが積み重ねられるため、下敷としては、長さや幅寸法の異なる数種のものが用意されている。このとき、エレベータコンベヤは、下敷の両端部を支持して下降させるようにしているため、下敷の長さが大幅に相違すると、その下敷を支持して下降させることができない。  Here, as mentioned above, several types of cardboard sheets with different lengths and width dimensions are stacked on the lift table of the sheet stacker. Therefore, several types of underlays with different lengths and width dimensions are prepared. Has been. At this time, the elevator conveyor supports and lowers both ends of the underlay. Therefore, if the length of the underlay is greatly different, the underlay cannot be supported and lowered.

そのため、特許文献1に記載された下敷の供給装置においては、レシーブコンベヤ上に下敷を供給するエレベータコンベヤと、そのエレベータコンベヤの上部に下敷を一枚ずつ供給するプッシャ装置を対とし、その対で構成される下敷送込み装置の複数を並列に配置して、その複数の下敷送込み装置のいずれかを選択し、レシーブコンベヤ上に適切な大きさの下敷を送り込むようにしている。  Therefore, in the supply device of the underlay described inPatent Document 1, an elevator conveyor that supplies the underlay on the receive conveyor and a pusher device that supplies the underlay one by one to the upper part of the elevator conveyor are paired. A plurality of underlay feeding devices to be configured are arranged in parallel, and one of the plurality of underlay feeding devices is selected, and an underlay of an appropriate size is sent onto the receive conveyor.

特開2005−239331号公報JP 2005-239331 A

ところで、特許文献1に記載された下敷の供給装置においては、下敷送込み装置を構成するプッシャ装置とエレベータコンベヤを、プッシャ装置による下敷の搬送方向がレシーブコンベヤの搬送方向と同一となるようにして、並列の配置としているため、複数の下敷送込み装置を設置しようとすると、非常に長いレシーブコンベヤが必要となって広い設置スペースを確保しなければならず、その省スペース化を図るうえにおいて改善すべき点が残されていた。  By the way, in the underlay supply device described inPatent Document 1, the pusher device and the elevator conveyor constituting the underlay feeding device are set so that the transport direction of the underlay by the pusher device is the same as the transport direction of the receive conveyor. Because of the parallel arrangement, when installing multiple underlay feeding devices, a very long receive conveyor is required, and a large installation space must be secured, which improves the space saving. There was a point left to do.

また、エレベータコンベヤは、下敷の両端部を支持して下降させるため、下敷の長さが長くなると、その下敷は長さ方向の中央部で下方に撓み、支持が不安定になって間歇駆動されるエレベータコンベヤの始動時や停止時の衝撃により落下する可能性があり、下敷を安定よく確実に下降動させるうえにおいても改善すべき点が残されていた。  In addition, since the elevator conveyor supports and lowers both ends of the underlay, when the length of the underlay becomes long, the underlay bends downward at the center in the length direction, and the support becomes unstable and is driven intermittently. There is a possibility that the elevator conveyor may fall due to an impact at the time of starting or stopping, and there is still a point to be improved in order to move the underlay stably and surely.

この発明の課題は、設置スペースの縮小化を図ることができるようにした下敷の供給装置を提供することである。  An object of the present invention is to provide an underlay supply device that can reduce the installation space.

上記の課題を解決するために、この発明においては、シートを積み重ねるシートスタッカの昇降テーブルに向けて矩形の下敷を送り込むレシーブコンベヤと、そのレシーブコンベヤの搬送面上に下敷を一枚ずつ送り込む並列配置の複数の下敷送込み装置とからなり、前記複数の下敷送込み装置のそれぞれが、前記レシーブコンベヤの搬送路の一側部上方に搬出端が臨み、その搬出端に向けて下敷を一枚ずつ搬送する下敷供給コンベヤと、その下敷供給コンベヤに対して直線状に並ぶ直列の配置とされ、下敷供給コンベヤから送り出される下敷を順次受け取ってレシーブコンベヤの搬送面上に向けて一定ストローク間歇的に下向きに移送させる下敷移送装置とを有し、前記下敷移送装置により下向きに移送される下敷がレシーブコンベヤの搬送面上に供給される毎に前記シートスタッカの昇降テーブル上に積み重ねられるシートの幅寸法に対応する距離を移動量として必要数の下敷をレシーブコンベヤの搬送面上で整列させるようにした構成を採用したのである。  In order to solve the above-described problems, in the present invention, a receive conveyor that feeds a rectangular underlay toward a lifting / lowering table of a sheet stacker that stacks sheets, and a parallel arrangement that sends the underlay one by one on the transport surface of the receive conveyor Each of the plurality of underlay feeding devices, each of the plurality of underlay feeding devices has an unloading end facing one side portion above the conveying path of the receive conveyor, and the underlays one by one toward the unloading end. The underlay supply conveyor to be transported and the serial arrangement aligned in a straight line with respect to the underlay supply conveyor, receiving the underlay sent out from the underlay supply conveyor sequentially, and intermittently downward for a fixed stroke toward the transport surface of the receive conveyor The underlay transported by the underlay transport device is transported to the receive conveyor. Adopting a configuration in which the necessary number of underlays are aligned on the transport surface of the receive conveyor, with the distance corresponding to the width of the sheets stacked on the lifting table of the sheet stacker being supplied to the top as the movement amount It is.

上記の構成からなる下敷の供給装置においては、下敷供給コンベヤから下敷移送装置の上部に下敷を送り込み、その下敷移送装置により下敷を一定ストローク間歇的に下向きに移送させて、レシーブコンベヤの搬送面上に下敷を供給する。  In the underlay supply device having the above-described configuration, the underlay is sent from the underlay supply conveyor to the upper portion of the underlay transfer device, and the underlay transfer device is used to move the underlay intermittently downward for a certain stroke on the transport surface of the receive conveyor. Supply the underlay.

シートスタッカによる次回の段ボールシートの積み重ねに際しては、下敷移送装置からレシーブコンベヤに下敷が供給、載置される毎に、そのレシーブコンベヤを次回に積み重ねられる下敷の幅寸法に対応する距離を移動量としてシートスタッカに向けて間歇的に移動させ、レシーブコンベヤの搬送面上に積み重ね段ボールシートの列数に応じた必要枚数の下敷を積み重ね段ボールシートの幅寸法に対応する状態で整列させて待機しておく。  When the next stack of corrugated cardboard sheets by the sheet stacker is supplied and placed on the receiving conveyor from the underlying transporting device, the distance corresponding to the width dimension of the underlying stack to be stacked next time is used as the movement amount. Move to the sheet stacker intermittently, and place the necessary number of underlays according to the number of stacked cardboard sheets on the receiving surface of the receive conveyor in a state corresponding to the width of the stacked cardboard sheets and wait. .

そして、シートスタッカによって1ロット分の段ボールシートが積み重ねられ、その山積みシートが昇降テーブル上から排出されると、次回のロットの積み重ねシート用として、レシーブコンベヤを駆動し、その搬送面上に整列された必要枚数の下敷を整列された状態でシートスタッカの昇降テーブル上に搬送供給する。  Then, one lot of cardboard sheets are stacked by the sheet stacker, and when the piled sheets are discharged from the lifting table, the receive conveyor is driven and aligned on the transport surface for the next lot of stacked sheets. The necessary number of underlays are conveyed and supplied onto the lift table of the sheet stacker in an aligned state.

ここで、段ボールシートの積み重ねに用いられる下敷は、その幅寸法が積み重ねられる段ボールシートの両側縁間の幅寸法に等しいもの、あるいは、段ボールシートの幅寸法より小さいものを採用する。このとき、シートスタッカに送り込まれてくる段ボールシートにはロット毎で幅寸法が異なる多種類のものが存在し、各段ボールシートと同一幅の下敷を用意すると、多種類の下敷を必要とし、これらの各下敷を段ボールシートの積み重ね工程表に基づいてロット順にレシーブコンベヤ上に順次整列させる必要があり、非常に手間がかかる。このため、幅寸法の異なる数種の下敷を用意し、1つの下敷によってこの下敷の幅寸法と同一またはより大きい数種の幅寸法の段ボールシートを支持するようにするのが好ましい。  Here, as the underlay used for stacking the corrugated cardboard sheets, the one whose width dimension is equal to the width dimension between both side edges of the corrugated cardboard sheets or smaller than the width dimension of the corrugated cardboard sheets is adopted. At this time, there are many types of corrugated cardboard sheets sent to the sheet stacker that have different width dimensions for each lot. It is necessary to sequentially arrange the underlays on the receive conveyor in the order of lots based on the corrugated sheet stacking process table, which is very laborious. For this reason, it is preferable to prepare several types of underlays having different width dimensions, and to support a corrugated cardboard sheet having several types of width dimensions that are the same as or larger than the width dimensions of the underlay.

上記のように、1つの下敷によってこの下敷の幅寸法と同一またはより大きい数種の幅寸法の段ボールシートを支持する場合、レシーブコンベヤに下敷を供給する下敷送込み装置は複数組あればよい。  As described above, when a corrugated sheet having several types of widths that are the same as or larger than the width of the underlay is supported by one underlay, a plurality of underlay feeding devices for supplying the underlay to the receive conveyor may be provided.

この発明に係る下敷の供給装置においては、レシーブコンベヤの搬送面上に下敷を一枚ずつ送り込む下敷送込み装置が、下敷供給コンベヤの搬出端の下流側に下敷移送装置を配置して、下敷供給コンベヤと下敷移送装置をレシーブコンベヤの搬送方向と直交する方向に直線状に並ぶ直列の配置しているため、下敷供給コンベヤと下敷移送装置をレシーブコンベヤの搬送面上で並列に並べて配置する場合に比較して、同じ広さの設置スペース内に多くの下敷送込み装置を配置することができる。  In the underlay supply device according to the present invention, the underlay feeding device for feeding the underlay one by one onto the transport surface of the receive conveyor is arranged with the underlay transfer device disposed downstream of the carry-out end of the underlay supply conveyor, Since the conveyor and the underlay transfer device are arranged in series in a line perpendicular to the conveying direction of the receive conveyor, the underlay supply conveyor and the underlay transfer device are arranged in parallel on the receiving surface of the receive conveyor. In comparison, a large number of underlay feeding devices can be arranged in an installation space of the same size.

その結果、シートスタッカの昇降テーブル上にサイズの異なる多くの下敷を供給することができ、逆に、サイズの異なる下敷の供給数を同じとする場合には、設置スペースの縮小化を図ることができる。  As a result, many different sizes of underlays can be supplied on the lift table of the sheet stacker, and conversely, when the number of underlays of different sizes is the same, the installation space can be reduced. it can.

ここで、下敷移送装置として、下向きに移動するキャリヤ側チェーンと上向きに移動するリターン側チェーンの上下両端に反転部が設けられた左右一対のチェーン間に下敷の両側を支持する受板を取付けた一対の受板搬送装置を、キャリヤ側チェーンが対向するようレシーブコンベヤの搬送方向前後に設けたものを採用することができる。  Here, as the underlay transfer device, a receiving plate for supporting both sides of the underlay was attached between a pair of left and right chains provided with inversion portions at both upper and lower ends of the carrier side chain moving downward and the return side chain moving upward. It is possible to employ a pair of receiving plate conveying devices provided before and after the receiving conveyor in the conveying direction so that the carrier side chains face each other.

上記下敷移送装置として、レシーブコンベヤの下敷搬送方向と直交する方向に長く延びる回転軸に下敷の下面側部を支持する受板を設けた回転部材の一対をレシーブコンベヤの下敷搬送方向の前後で対向するよう設け、その前後一対の回転部材を上下段方向に等間隔に配置し、その前後一対の回転部材の相反する内側方向への回転によって上段の前後一対の受板上から下向きに移送される下敷が、上段の受板と同じ回転位置に取付けてある下段の前後一対の回転部材のそれぞれ最も内側の受板で支持されるよう各段の前後一対の回転部材を同調させて設定角度回転させる回転駆動装置を設け、前記各段の前後一対の回転部材の受板のうち、少なくとも最上段の前後一対の回転部材の受板を、回転軸の長さ方向に延びる帯状とした構成からなるものを採用することにより、チェーンに受板を取り付けるようにした上記の下敷移送装置に比較して、チェーンの反転移動用のスプロケットを不要とし得る分、下敷移送装置の幅寸法の小型化を図ることができる。  As the above-mentioned underlay transfer device, a pair of rotating members provided with a receiving plate for supporting the lower side of the underlay on a rotating shaft extending in a direction orthogonal to the underlay conveying direction of the receive conveyor are opposed in the front and rear of the underlay conveying direction of the receive conveyor. The pair of front and rear rotating members are arranged at equal intervals in the up and down direction, and are transferred downward from the pair of front and rear receiving plates by rotation of the pair of front and rear rotating members in opposite directions. The pair of front and rear rotating members of each stage are synchronized with each other and rotated by a set angle so that the underlay is supported by the innermost receiving plate of each of the lower pair of front and rear rotating members attached to the same rotational position as the upper receiving plate. A rotation drive device is provided, and of the pair of front and rear rotating member receiving plates of each stage, at least the uppermost pair of front and rear rotating member receiving plates has a strip shape extending in the length direction of the rotating shaft. By adopting this, compared with the above-mentioned underlay transfer device in which the receiving plate is attached to the chain, the sprocket for reversing the chain can be dispensed with, so that the width of the underlay transfer device is reduced. be able to.

上記のように、この発明においては、下敷送込み装置を構成する下敷供給コンベヤと下敷移送装置を、下敷供給コンベヤの搬出端の下流側に下敷移送装置を配置して、その下敷供給コンベヤと下敷移送装置をレシーブコンベヤの搬送方向と直交する方向に直線状に並ぶ直列の配置としたことにより、下敷供給コンベヤと下敷移送装置をレシーブコンベヤの搬送方向に並列に並ぶ配置とする場合に比較して、同じ広さの設置スペース内に多くの下敷送込み装置を配置することができ、サイズの異なる多くの下敷をレシーブコンベヤに送り込むことができる。また、上記と逆に、同じ数の下敷送込み装置を設置する場合に、設置スペースの縮小化を図ることができる。  As described above, in the present invention, the underlay supply conveyor and the underlay transfer device constituting the underlay feeding device are arranged on the downstream side of the carry-out end of the underlay supply conveyor, and the underlay supply conveyor and the underlay are provided. Compared to the case where the underlay supply conveyor and the underlay transport device are arranged in parallel in the transport direction of the receive conveyor by arranging the transfer device in a straight line in the direction orthogonal to the transport direction of the receive conveyor. Many underlay feeding devices can be arranged in the installation space of the same size, and many underlays of different sizes can be sent to the receive conveyor. On the contrary, when the same number of underlay feeding devices are installed, the installation space can be reduced.

この発明に係る下敷の供給装置の実施の形態を示す概略平面図Schematic plan view showing an embodiment of an underlay supply device according to the present invention下敷送込み装置の平面図Top view of the underlay feeding device図2のIII−III線に沿った断面図Sectional view along line III-III in FIG.図2のIV−IV線に沿った断面図Sectional view along line IV-IV in FIG.図2のV−V線に沿った断面図Sectional view along line VV in FIG.(イ)、(ロ)は、図5に示す下敷移送装置の作動状態を段階的に示す断面図(A) and (B) are cross-sectional views showing stepwise the operating state of the underlay transfer device shown in FIG.下敷移送装置の他の例を示し、(ハ)乃至(ホ)は、その作動状態を段階的に示す断面図Sectional drawing which shows the other example of an underlay transfer apparatus, (c) thru | or (e) show the operation state in steps(へ)は、従来のシートスタッカを示す平面図、(ト)は、正面図(F) is a plan view showing a conventional sheet stacker, and (g) is a front view.

以下、この発明の実施の形態を図面に基づいて説明する。図1に示すように、この発明に係る下敷の供給装置は、シートスタッカ1の昇降テーブル2に向けて矩形の下敷Pの整列体を送り込むレシーブコンベヤ10と、そのレシーブコンベヤ10の搬送面上に下敷Pを一枚ずつ送り込む並列に配置された第1下敷送込み装置20aおよび第2下敷送込み装置20bとからなっている。  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, an underlay supply device according to the present invention includes a receiveconveyor 10 that feeds an alignment body of rectangular underlays P toward an elevating table 2 of asheet stacker 1, and a conveyor surface of the receiveconveyor 10. It consists of a firstunderlay feeding device 20a and a secondunderlay feeding device 20b arranged in parallel to feed the underlay P one by one.

図2乃至図4に示すように、レシーブコンベヤ10は、並列に配置された複数のベルトコンベヤ11からなる。この複数のベルトコンベヤ11は、その搬送面上において対向一対の長辺が前後で対向するようにして整列される下敷Pを昇降テーブル2に向けて搬送するようになっている。  As shown in FIGS. 2 to 4, the receiveconveyor 10 includes a plurality ofbelt conveyors 11 arranged in parallel. The plurality ofbelt conveyors 11 are configured to convey the underlay P, which is aligned so that a pair of opposed long sides are opposed to each other on the conveyance surface, toward the lift table 2.

図2乃至図5は、第1下敷送込み装置20aを示す。第2下敷送込み装置20bは、第1下敷送込み装置20aと同一の構成とされ、長さおよび幅寸法が異なる下敷Pをレシーブコンベヤ10に送り込むようにしている点で相違している。従って、ここでは、第1下敷送込み装置20aの構成を以下に述べ、第2下敷送込み装置20bについては、第1下敷送込み装置20aと同一の部品に同一の符号を付して説明を省略する。  2 to 5 show the firstunderlay feeding device 20a. The secondunderlay feeding device 20b has the same configuration as the firstunderlay feeding device 20a, and is different in that an underlay P having a different length and width is fed into the receiveconveyor 10. Therefore, here, the configuration of the firstunderlay feeding device 20a will be described below, and the secondunderlay feeding device 20b will be described by attaching the same reference numerals to the same parts as the firstunderlay feeding device 20a. Omitted.

第1下敷送込み装置20aは、レシーブコンベヤ10の搬送路の一側上方に設けられた下敷供給コンベヤ30と、その下敷供給コンベヤ30から送り込まれてくる下敷Pを受け取り、その下敷Pを下方に向けて一定ストローク間歇的に移送して、レシーブコンベヤ10の搬送面上に送り込む下敷移送装置31とからなり、上記下敷供給コンベヤ30と下敷移送装置31は、レシーブコンベヤ10の下敷搬送方向に対して直交する方向に直線状に並ぶ直列の配置とされている。  The firstunderlay feeding device 20a receives theunderlay supply conveyor 30 provided on the upper side of the conveyance path of the receiveconveyor 10 and the underlay P fed from theunderlay supply conveyor 30, and lowers the underlay P downward. Theunderlay transporting device 31 is configured to intermittently move toward the transporting surface of the receiveconveyor 10 and send it onto the transport surface of the receiveconveyor 10. Theunderlay supply conveyor 30 and theunderlay transporting device 31 correspond to the underlay transport direction of the receiveconveyor 10. A series arrangement is arranged in a straight line in an orthogonal direction.

下敷供給コンベヤ30は、ローラコンベヤからなる。この下敷供給コンベヤ30は、その搬出端がレシーブコンベヤ10の搬送路の一側部上方に臨む配置とされ、下敷Pを、その対向する短辺を前後として一枚ずつ搬出端に向けて搬送して、その搬出端から下敷移送装置31の上部に送り込むようになっている。  Theunderlay supply conveyor 30 is a roller conveyor. Theunderlay supply conveyor 30 is arranged so that its carry-out end faces one side of the carry path of the receiveconveyor 10 and conveys the underlay P one by one toward the carry-out end one by one with its opposing short sides being front and rear. Thus, it is fed from the carry-out end to the upper part of theunderlay transfer device 31.

下敷移送装置31は、レシーブコンベヤ10の搬送方向の前後で対向する前後一対の回転部材32を上下方向に等間隔に設け、最上段の前後一対の回転部材32によって下敷供給コンベヤ30から送り込まれてくる下敷Pを受け取り、その前後一対の回転部材32のそれぞれが対向するよう相反する内側方向への回転によって下向きに移送される下敷Pが、その下段の前後一対の回転部材32で支持されるよう各段の前後一対の回転部材32を回転駆動装置40により同調させて設定角度回転させて、最下段の前後一対の回転部材32から下向きに移送される下敷Pをレシーブコンベヤ10の搬送面上に順次送り込むようにしている。  Theunderlay transfer device 31 is provided with a pair of front and rearrotating members 32 facing each other in the front-rear direction in the transport direction of the receiveconveyor 10 at equal intervals in the vertical direction. The underlay P, which receives the coming underlay P and is transferred downward by the opposite inward rotations so that the pair of front and rearrotating members 32 face each other, is supported by the lower front and rear pair of rotatingmembers 32. The pair of front and rearrotating members 32 at each stage are synchronized by therotation drive device 40 and rotated by a set angle, and the underlay P transferred downward from the pair of front and rearrotating members 32 at the lowermost stage is placed on the transport surface of the receiveconveyor 10. It is made to send in order.

ここで、回転部材32は、レシーブコンベヤ10の下敷搬送方向に対して直交する方向に長く延びる回転軸33の外周に下敷Pの下面側部を支持する4枚の受板34を周方向に90°の間隔をおいて設けた構成とされ、上記回転軸33の両端部がレシーブコンベヤ10の上方に設けられた門形フレーム35の対向する側枠36で回転自在に支持されている。  Here, the rotatingmember 32 includes four receivingplates 34 that support the lower surface side portion of the underlay P on the outer periphery of therotary shaft 33 that extends long in a direction orthogonal to the underlay conveyance direction of the receiveconveyor 10 in the circumferential direction. The both ends of therotary shaft 33 are rotatably supported by the opposing side frames 36 of theportal frame 35 provided above the receiveconveyor 10.

上記回転軸33の両端部の側枠36で回転自在に支持される辺りの断面形状は円形であり、その他の中間部の断面形状は正四角形である。4枚の受板34のそれぞれは、正四角形状の回転軸33の各辺にこれに平行に突出するように取付けられている。  The cross-sectional shape around therotation shaft 33 that is rotatably supported by the side frames 36 at both ends is circular, and the cross-sectional shape of the other intermediate portion is a regular square. Each of the four receivingplates 34 is attached to each side of the regular quadrangularrotating shaft 33 so as to protrude in parallel therewith.

また、各段の前後一対の回転部材32のうち、最上段の前後一対の回転部材32の受板34は、回転軸33の正四角形状部の辺りから突出するその長さは下敷Pの一部を受け取って支持できる程度に短く、その幅は回転軸33の軸方向に長く延びる帯状とされている。一方、最上段の前後一対の回転部材32を除く他の残りの前後一対の回転部材32の受板34は長さも幅も下敷Pの長辺方向に延びる側部の一部を受け取って支持できる程度に短い短片状とされて、回転軸33の軸方向に間隔をおいて複数設けられており、その複数の受板34は、隣接する下段の回転部材32の受板34と軸方向に位置がずれる千鳥状の配置とされている。  Of the pair of front and rearrotating members 32 at each stage, the receivingplate 34 of the pair of front and rearrotating members 32 at the uppermost stage protrudes from the vicinity of the regular quadrangular portion of therotating shaft 33 and has a length equal to that of the underlay P. It is short enough to receive and support the part, and its width is a strip shape extending in the axial direction of therotating shaft 33. On the other hand, the receivingplates 34 of the remaining pair of front and rearrotating members 32 other than the pair of front and rearrotating members 32 at the uppermost stage can receive and support part of the side portions extending in the long side direction of the underlay P in both length and width. A plurality of short plates are provided at intervals in the axial direction of therotating shaft 33, and the plurality of receivingplates 34 are positioned in the axial direction with the receivingplate 34 of the adjacent lower rotatingmember 32. It is a staggered arrangement.

さらに、最上段の前後一対の回転部材32における帯状受板34の両側部のそれぞれは、その下段の最も側部の一対の回転部材32の短片状受板34の内側部より内側に位置し、さらに、その帯状受板34には、その下段の前後一対の回転部材32の短片状受板34と対向する位置に切欠部37が形成されて、回転部材32の回転時に短片状受板34が帯状受板34に干渉することのないようにされている。  Furthermore, each of the both sides of the strip-shaped receivingplate 34 in the pair of front and rearrotating members 32 at the uppermost stage is located inside the inner side of the short-shaped receivingplate 34 of the pair of rotatingmembers 32 on the lowermost side, Further, the strip-shaped receivingplate 34 is formed with anotch 37 at a position facing the short-shaped receivingplate 34 of the pair of front and rearrotating members 32 at the lower stage, and the short-shaped receivingplate 34 is rotated when the rotatingmember 32 rotates. It does not interfere with the belt-shaped receivingplate 34.

各段における回転軸33の正四角形状部の4辺は総て同じ回転位置に位置するような構造になっており、これらの各辺からその辺に平行に突出するように受板34が取付けられている。受板34の突出長さや幅長さは、下敷Pを安定よく支持できる程度の大きさであればよくて、図3に示す通り、幅長さが長い場合には、最上段の受板34のように回転軸33の幅方向には一つの受板34を取付けるだけでよく、幅長さが短い場合には、2段目以下の受板34のように下敷Pの長辺方向に延びる側部の両端部を支持する少なくとも前後一対の受板34を取付けるだけでよい。  The four sides of the square-shaped portion of therotating shaft 33 in each stage are structured so as to be located at the same rotational position, and the receivingplate 34 is attached so as to protrude in parallel with the sides from these sides. It has been. The protruding length and the width of the receivingplate 34 may be large enough to stably support the underlay P. When the width is long as shown in FIG. 3, theuppermost receiving plate 34 is provided. Thus, it is only necessary to attach asingle receiving plate 34 in the width direction of therotating shaft 33. When the width is short, it extends in the long side direction of the underlay P like the receivingplate 34 in the second stage or lower. It is only necessary to attach at least a pair of front andrear receiving plates 34 that support both ends of the side portion.

上記のように、回転部材32の一対は、その回転部材32の受板34によって送り込まれてくる下敷Pの長辺部の両側部の下面を支持可能な間隔をおいて対向するように配置されている。  As described above, the pair of rotatingmembers 32 are arranged so as to face each other with a space capable of supporting the lower surfaces of both sides of the long side portion of the underlay P fed by the receivingplate 34 of the rotatingmember 32. ing.

図3および図4に示すように、回転駆動装置40は、門形フレーム35の一方の側枠36で減速機付きモータ41を支持し、そのモータ41の出力軸42の回転を互いに噛合するベベルギヤ43を介して一組の前後一対の回転部材32の回転軸33に伝達し、その一組の前後一対の回転部材32の回転軸33の回転を伝動装置44を介して各段の前後一対の回転部材32の回転軸33に伝達するようにしている。  As shown in FIGS. 3 and 4, therotational drive device 40 supports amotor 41 with a speed reducer on oneside frame 36 of theportal frame 35 and bevel gears that mesh with each other the rotation of theoutput shaft 42 of themotor 41. 43 is transmitted to therotation shaft 33 of the pair of front andrear rotation members 32, and the rotation of therotation shaft 33 of the pair of front andrear rotation members 32 is transmitted via thetransmission device 44 to the pair of front and rear pairs of each stage. The rotation is transmitted to therotation shaft 33 of therotation member 32.

伝動装置44として、ここでは、各段の前後一対の回転部材32の回転軸33に一対の歯付きプーリ45を取付け、上下で対向する歯付きプーリ45間にタイミングベルト46を掛け渡して上下へ順次伝動するベルト伝動装置を示したが、伝動装置44はこれに限定されるものではない。例えば、スプロケット間にチェーンを掛け渡したチェーン伝動装置であってもよい。  Here, as thetransmission device 44, a pair oftoothed pulleys 45 are attached to therotating shafts 33 of the pair of front and rearrotating members 32 at each stage, and thetiming belt 46 is stretched between thetoothed pulleys 45 opposed vertically to move up and down. Although the belt transmission that sequentially transmits is shown, thetransmission 44 is not limited to this. For example, a chain transmission device that spans a chain between sprockets may be used.

上記の構成からなる回転駆動装置40においては、各段の前後一対の回転部材32の各回転軸33を、受板34で支持される下敷Pが落下排出される方向、すなわち、互いに対向する受板34のそれぞれを対称的に同調させて対向する内側の方向に90°間歇回転させるようになっている。  In therotary drive device 40 having the above-described configuration, therotary shafts 33 of the pair of front and rearrotary members 32 in each stage are received in the direction in which the underlay P supported by the receivingplate 34 is dropped and discharged, that is, the receiving members facing each other. Each of theplates 34 is tuned symmetrically and rotated 90 ° in the opposite inner direction.

図3および図4に示すように、一対の下敷移送装置31のそれぞれの回転部材32の前側の端部間には、下敷供給コンベヤ30から最上段の前後一対の回転部材32の上面を水平状態に維持して待機している受板34上に送り込まれる下敷Pの前側へ移動方向の先端を位置決めする前後一対の位置決め部材50が設けられている。  As shown in FIG. 3 and FIG. 4, the upper surface of the pair of front and rearrotary members 32 from theunderlay supply conveyor 30 is in a horizontal state between the front ends of therotary members 32 of the pair ofunderlay transfer devices 31. A pair of front andrear positioning members 50 for positioning the front end in the moving direction to the front side of the underlay P that is fed onto the receivingplate 34 that is maintained in standby.

前後一対の位置決め部材50のそれぞれは、帯板により形成されて上下方向に長く延び、最上段の前後一対の回転部材32から下方に向けて移送される下敷Pの落下移動を案内するようになっている。  Each of the pair of front andrear positioning members 50 is formed of a belt plate and extends in the vertical direction, and guides the falling movement of the underlay P transferred downward from the uppermost pair of front andrear rotation members 32. ing.

また、一対の下敷移送装置31のそれぞれの回転部材32の前後の両端部間のそれぞれ内側には対向するように、それぞれ前後一対のガイド部材51が設けられている。これらの前後一対のガイド部材51のそれぞれも帯板から形成されて上下方向に長く延び、最上段の前後一対の回転部材32から下方に向けて移送される下敷Pの長辺部の両側端のそれぞれを前後で案内しつつ移動させるようになっている。  Also, a pair of front andrear guide members 51 are provided so as to face each other between the front and rear end portions of therespective rotation members 32 of the pair ofunderlay transfer devices 31. Each of the pair of front andrear guide members 51 is also formed of a band plate and extends in the up-down direction, and is provided on both side ends of the long side portion of the underlay P that is transferred downward from the pair of front andrear rotation members 32. Each of them is moved while being guided back and forth.

実施の形態で示す下敷の供給装置は上記の構造からなり、この供給装置においては、シートスタッカ1の昇降テーブル2上の下敷Pに段ボールシートSが積み重ねられている時に、第1下敷送込み装置20aまたは第2下敷送込み装置20bによって次回のロットの段ボールシートSの積み重ねに必要とされるサイズの下敷Pを必要な数だけレシーブコンベヤ10の搬送面上に送り込み、その下敷Pをレシーブコンベヤ10の搬送面上で整列させた状態で待機させておき、その搬送面と同一高さとなる下限位置に下降した上記昇降テーブル2上の先の山積みシートSが下敷Pと共に昇降テーブル2上から同一高さの搬送面となっている排出コンベヤ上へ送り出されたとき、レシーブコンベヤ10を駆動して、その搬送面上で待機されていた整列状態の下敷Pを昇降テーブル2上に送り込むようにする。The underlay supply device shown in the embodiment has the above-described structure. In this supply device, when the cardboard sheets S are stacked on the underlay P on the lifting table 2 of thesheet stacker 1, the first underlay feeding device. The required number of underlays P required for stacking the cardboard sheets S of the next lot is fed onto the transport surface of the receiveconveyor 10 by the 20a or secondunderlay feeding device 20b. same allowed to stand in a state of being aligned on the conveying surface, pile sheet S0 of the previous on the lifting table 2 which is lowered to the lower limit position where the same height as the transporting surface from above the lifting table 2 with underlayment P When it was sent out onto the discharge conveyor which is the height conveying surface, it was waiting on the conveying surface by driving the receiveconveyor 10 The aligned underlay P is fed onto the lift table 2.

レシーブコンベヤ10に対する下敷Pの送り込み、移載に際しては、必要とされるサイズの下敷Pを、その下敷Pの送り込みに適した下敷送込み装置20aまたは20bの下敷供給コンベヤ30の搬送面上に対向一対の短辺を前後として一枚ずつ間歇的に連続して供給する。  When sending and transferring the underlay P to the receiveconveyor 10, the underlay P of the required size is opposed to the conveying surface of theunderlay feed device 30 a or 20 b suitable for feeding the underlay P. A pair of short sides are fed continuously and intermittently one by one.

いま、第1下敷送込み装置20aの下敷供給コンベヤ30の搬送面上に下敷Pを一枚ずつ間歇的に連続して供給すると、その下敷Pは、上記下敷供給コンベヤ30により下敷移送装置31の最上段の前後一対の回転部材32間に送り込まれる。  Now, when the underlay P is intermittently continuously supplied one by one onto the transport surface of theunderlay supply conveyor 30 of the firstunderlay feeding device 20a, the underlay P is transferred to theunderlay transport device 31 by theunderlay supply conveyor 30. It is fed between the pair of front and rearrotating members 32 at the uppermost stage.

このとき、下敷Pは、前後一対の回転部材32の対向する一対の回転軸33の正四角形状の上辺からそれぞれ対向するように内側へ向けて水平に突出して待機している受板34の上面でその下面の長辺部の両側部の一部が支持される状態で前後一対の回転部材32間に送り込まれ、その移動方向前側の短辺が位置決め部材50に当接して下敷Pが停止すると、モータ41が駆動し、各段の前後一対の回転部材32を同時に図4の矢印で示すように互いに同調させて対称的に内方の方向に90°間歇回転させる。  At this time, the underlay P is an upper surface of the receivingplate 34 that protrudes inward horizontally and stands by so as to face each other from the upper sides of the regular rectangular shape of the pair ofrotating shafts 33 facing the pair of front and rearrotating members 32. In the state where a part of both sides of the long side portion of the lower surface is supported, it is fed between the pair of front and rearrotating members 32, and the short side on the front side in the moving direction comes into contact with the positioningmember 50 and the underlay P stops. Then, themotor 41 is driven, and the pair of front and rearrotating members 32 of each stage are simultaneously synchronized with each other as indicated by arrows in FIG.

ここで、最上段の受板34は下敷Pの搬送方向である回転軸33の軸方向に長く延びる帯状となっているので、下敷供給コンベヤ30で搬送されてくる下敷Pの一対の長辺部のそれぞれの側部をスムーズに支持できる。  Here, since the uppermost receivingplate 34 has a belt-like shape extending in the axial direction of therotary shaft 33 that is the conveying direction of the underlay P, a pair of long side portions of the underlay P conveyed by theunderlay supply conveyor 30 Each side of the can be supported smoothly.

なお、下敷Pの移動方向前側の短辺が位置決め部材50に衝撃的に当接すると、衝突時の反力により、下敷Pが搬送方向と逆の方向に移動して、移動方向前側の短辺を位置決めすることができない可能性がある。そこで、実施の形態では、下敷Pの移動方向前側の短辺が位置決め部材50に当接する少し手前の位置から速度を次第に低下して、位置決め部材50に当接すると同時に下敷Pが停止するよう下敷供給コンベヤ30を速度制御するようにしている。  In addition, when the short side on the front side in the movement direction of the underlay P is shockedly contacted with the positioningmember 50, the underlay P moves in the direction opposite to the conveyance direction due to the reaction force at the time of collision, and the short side on the front side in the movement direction May not be able to be positioned. Therefore, in the embodiment, the speed is gradually decreased from a position slightly before the short side on the front side of the underlay P in contact with the positioningmember 50 so that the underlay P stops at the same time as it comes into contact with the positioningmember 50. The speed of thesupply conveyor 30 is controlled.

最上段の前後一対の回転部材32の内側方向への90°の回転により、その最上段の前後一対の回転部材32の受板34で下面の長辺部の両側部が支持されていた下敷Pは、受板34の回転により下向きに移送され、同調して同じように90°回転するその下段の前後一対の回転部材32の最上段の受板34と同じ回転位置に取付けられていて回転によって最も内側に位置する受板34が下敷Pの落下路に臨み、その下段の前後一対の回転部材32の受板34との間で下敷Pの受渡しが行なわれる。図6(イ)および(ロ)は、下敷Pの受渡し状態を段階的に示している。  The underlay P on which both sides of the long side portion of the lower surface are supported by the receivingplate 34 of the pair of front and rearrotating members 32 by 90 ° inward rotation of the pair of front and rearrotating members 32 at the uppermost stage. Is attached to the same rotational position as theuppermost receiving plate 34 of the lower pair of rotatingmembers 32 that are transferred downward by the rotation of the receivingplate 34 and rotate in the same manner by 90 °. Theinnermost receiving plate 34 faces the falling path of the underlay P, and the underlay P is transferred between the lower plate and the receivingplate 34 of the pair of front and rearrotating members 32. FIGS. 6A and 6B show the delivery state of the underlay P in stages.

下段の前後一対の回転部材32の受板34に受渡しされた下敷Pは、各段の前後一対の回転部材32の90°の同調回転により水平状態に保持される。また、下敷Pが下向きに移動するとき、その下敷Pは、位置決め部材50およびガイド部材51に案内される。このため、下敷Pは、下段の前後一対の回転部材32の受板34の所定の位置で支持されることになる。  The underlay P delivered to the receivingplate 34 of the pair of front and rearrotating members 32 at the lower stage is held in a horizontal state by 90 ° synchronous rotation of the pair of front and rearrotating members 32 at each stage. Further, when the underlay P moves downward, the underlay P is guided by the positioningmember 50 and theguide member 51. For this reason, the underlay P is supported at a predetermined position of the receivingplate 34 of the pair of front and rearrotating members 32 at the lower stage.

最上段の前後一対の回転部材32から下段の前後一対の回転部材32へ下敷Pが受渡しされて各段の前後一対の回転部材32が停止すると、下敷供給コンベヤ30から最上段の前後一対の回転部材32間に次の下敷Pが送り込まれ、その次の下敷Pが位置決め部材50に当接して停止すると、モータ41が駆動して、各段の前後一対の回転部材32を同時に90°間歇的に同調回転させる。  When the underlay P is delivered from the pair of front and rearrotating members 32 to the lower pair of front and rearrotating members 32 and the pair of front and rearrotating members 32 stops, the upper and lower pair of front and rearrotating members 32 rotate. When the next underlay P is fed between themembers 32 and the next underlay P comes into contact with the positioningmember 50 and stops, themotor 41 is driven to simultaneously rotate the pair of front and rearrotating members 32 at 90 °. Rotate in sync with.

このため、先に送り込まれた下敷Pは上部から3段目の前後一対の回転部材32で支持されると共に、最上段の前後一対の回転部材32で支持されていた2番目の下敷Pは上部から2段目の前後一対の回転部材32で順次支持される。  For this reason, the base P sent in first is supported by the pair of front and rearrotating members 32 at the third stage from the top, and the second base P supported by the pair of front and rearrotating members 32 at the top is the upper part. Are supported sequentially by a pair of front and rearrotating members 32 in the second stage.

下敷供給コンベヤ30は、モータ41が停止する毎に駆動して最上段の前後一対の回転部材32間に下敷Pを送り込むと共に、モータ41は最上段の前後一対の回転部材32で下敷Pが送り込まれて停止すると駆動して、各段の前後一対の回転部材32を90°間歇的に同調回転させる。  Theunderlay supply conveyor 30 is driven each time themotor 41 stops to feed the underlay P between the uppermost pair of front and rearrotating members 32, and the underlay P is fed into themotor 41 by the uppermost pair of front and rearrotating members 32. When it stops, it is driven and the pair of front and rearrotating members 32 at each stage are rotated synchronously at 90 ° intervals.

このため、下敷移送装置31の上部に順次送り込まれる下敷Pは、図5に示すように、各段の前後一対の回転部材32で支持されることになり、その状態からさらに各段の前後一対の回転部材32がモータ41の駆動により同時に90°同調回転されると、最下段の前後一対の回転部材32で支持されていた下敷Pが下方に移動して、レシーブコンベヤ10の搬送面で支持される。  For this reason, as shown in FIG. 5, the underlay P sequentially fed into the upper portion of theunderlay transfer device 31 is supported by a pair of front and rearrotating members 32. When the rotatingmember 32 is simultaneously rotated by 90 ° by driving themotor 41, the underlay P supported by the pair of rotatingmembers 32 at the lowermost stage moves downward and is supported by the transport surface of the receiveconveyor 10. Is done.

ここで、シートスタッカ1による次回ロットの段ボールシートSの積み重ねに際して、1条の連続段ボールから矩形状の段ボールシートSが製造されてシートスタッカ1へ搬送されて来て一枚の下敷Pが必要とされる場合は、一枚の下敷Pがレシーブコンベヤ10により支持される状態で待機しておく。そして、シートスタッカ1の昇降テーブル2上の先のロットの山積みシートSが排出コンベヤへ排出されると、レシーブコンベヤ10を駆動して、次のロットの積み重ね段ボールシートSの下敷用として待機状態に保持されている1枚の下敷Pを昇降テーブル2上に搬送する。Here, when stacking the cardboard sheets S of the next lot by thesheet stacker 1, a rectangular cardboard sheet S is manufactured from one continuous cardboard and conveyed to thesheet stacker 1, and one sheet P is required. In the case where it is to be done, it waits in a state in which one underlay P is supported by the receiveconveyor 10. When the pile sheet S0 of the previous lot in the lifting table 2 of thesheet stacker 1 is discharged to the discharge conveyor, drives the receiveconveyor 10, a standby state for the underlay of stacking corrugated sheet S of thenext lot 1 sheet of underlay P held on the lift table 2 is conveyed.

一方、次のロットが複数条の連続段ボールから複数列の矩形状段ボールシートSに製造されてシートスタッカ1へ搬送されてくるような場合には、矩形状段ボールシートSの各列毎に下敷Pを必要とするため、複数枚の下敷Pが必要である。  On the other hand, when the next lot is manufactured from a plurality of continuous cardboards to a plurality of rows of rectangular cardboard sheets S and conveyed to thesheet stacker 1, the underlay P is provided for each row of the rectangular cardboard sheets S. Therefore, a plurality of underlays P are necessary.

このような場合には、下敷移送装置31の最下段の前後一対の回転部材32で支持されている下敷Pをレシーブコンベヤ10の搬送面上に供給、載置する動作と、そのレシーブコンベヤ10が下敷Pを矩形状段ボールシートSの両側縁間の幅寸法に対応する距離を移動量としてシートスタッカ1の昇降テーブル2に向けて搬送する動作とを交互に繰り返し行なうことによって、レシーブコンベヤ11上に必要枚数の下敷Pを整列させて待機しておく。  In such a case, the operation of supplying and placing the underlay P supported by the pair of front and rearrotating members 32 at the bottom of theunderlay transfer device 31 on the transport surface of the receiveconveyor 10, and the receiveconveyor 10 By alternately repeating the operation of transporting the underlay P toward the lifting table 2 of thesheet stacker 1 using the distance corresponding to the width dimension between the both side edges of the rectangular corrugated cardboard sheet S as the movement amount, Arrange the necessary number of underlays P and wait.

この時、段ボールシートSと同一幅の下敷Pを用いている場合には、下敷P同士の長辺が接触する状態で整列、待機されることになる。また、幅の小さい下敷Pを用いる場合には、下敷Pが積み重ねる段ボールシートSの中央部の下へ位置するよう、整列、待機させておくとよい。  At this time, when the underlay P having the same width as that of the corrugated cardboard sheet S is used, the long sides of the underlays P are aligned and waited. In addition, when using a base P having a small width, it is preferable that the base P is aligned and waited so as to be positioned below the central portion of the corrugated cardboard sheet S to be stacked.

そして、シートスタッカ1の昇降テーブル2上において積み重ねられた先のロットの山積みシートSが昇降テーブル2から搬送面の高さが同一となっている排出コンベヤへ排出されると、搬送面の高さが同一となっているレシーブコンベヤ10を駆動し、搬送されてくる段ボールシートSの列数に応じた必要枚数の下敷Pを整列させた状態で昇降テーブル2上に搬送、載置し、各列毎に下敷Pの上に段ボールシートSを積み重ねる。When the pile sheet S0 of the previous batch stacked on the lifting table 2 of thesheet stacker 1 is the height of the conveying surface is discharged to the discharge conveyor have the same from the lifting table 2, high conveyance surface The receivingconveyor 10 having the same length is driven and conveyed and placed on the lifting table 2 in a state in which the required number of underlays P according to the number of rows of the corrugated cardboard sheets S are aligned. The cardboard sheets S are stacked on the underlay P for each row.

実施の形態で示す下敷の供給装置においては、下敷供給コンベヤ30の搬出端の下流側に下敷移送装置31を配置し、その下敷供給コンベヤ30と下敷移送装置31をレシーブコンベヤ10の搬送方向と直交する方向に直線状に並ぶ直列の配置としているため、下敷供給コンベヤ30と下敷移送装置31をレシーブコンベヤ10の搬送方向に並列に配置する場合に比較して、同じ広さの設置スペース内に多くの下敷送込み装置を配置することができ、サイズの異なる多くの下敷をレシーブコンベヤ10に送り込むことができる。また、上記と逆に、同じ数の下敷送込み装置を設置する場合に、設置スペースの縮小化を図ることができる。  In the underlay supply device shown in the embodiment, anunderlay transport device 31 is arranged downstream of the carry-out end of theunderlay supply conveyor 30, and theunderlay supply conveyor 30 and theunderlay transport device 31 are orthogonal to the conveying direction of the receiveconveyor 10. As compared with the case where theunderlay supply conveyor 30 and theunderlay transport device 31 are arranged in parallel in the conveying direction of the receiveconveyor 10, there are many in the installation space of the same size. Underlay feeding devices can be arranged, and many underlays of different sizes can be fed into the receiveconveyor 10. On the contrary, when the same number of underlay feeding devices are installed, the installation space can be reduced.

図5では、回転部材32として、回転軸33にこれから突出する4枚の受板34をそれぞれ回転方向に90°の間隔をおいて設けたものを示したが、回転軸33に取付けられる受板34の数は4枚に限定されるものではない。例えば、図7に示すように、回転軸33の正三角形状の部分に3枚の受板34をそれぞれ回転方向に120°の間隔をおいて各辺から突出するように設けるようにしてもよい。  In FIG. 5, as the rotatingmember 32, the rotatingshaft 33 is provided with four receivingplates 34 projecting from the rotatingshaft 33 at intervals of 90 ° in the rotating direction, but the receiving plate attached to therotating shaft 33 is shown. The number of 34 is not limited to four. For example, as shown in FIG. 7, three receivingplates 34 may be provided on the equilateral triangular portion of therotating shaft 33 so as to protrude from each side at intervals of 120 ° in the rotation direction. .

図7に示すように、受板34の数を3枚とし、各段において同じ回転位置に取付けた回転部材32においては、モータ41により各段の回転部材32を120°同調回転させて、同図の(ハ)乃至(ホ)で示すように、隣接する上下段の前後一対の回転部材32間で下敷Pの受渡しを行なうようにする。  As shown in FIG. 7, the number of the receivingplates 34 is three, and the rotatingmember 32 attached to the same rotational position in each step is rotated by 120 ° in synchronism with the rotatingmember 32 of each step by themotor 41. As shown by (c) to (e) in the figure, the underlay P is delivered between a pair of front and rearrotating members 32 on the upper and lower sides adjacent to each other.

なお、下敷移送装置31は図示例のものに限定されるものではない。例えば、下向きに移動するキャリヤ側チェーンと上向きに移動するリターン側チェーンの上下両端に反転部が設けられた左右一対のチェーン間に下敷の両側を支持する受板を取付けた一対の受板搬送装置を、キャリヤ側チェーンが対向するようレシーブコンベヤの搬送方向前後に設けたものであってもよい。  Theunderlay transfer device 31 is not limited to the illustrated example. For example, a pair of receiving plate conveying devices in which receiving plates that support both sides of the underlay are attached between a pair of left and right chains provided with inversion portions at both upper and lower ends of a carrier side chain that moves downward and a return side chain that moves upward May be provided before and after the receiving conveyor in the conveying direction so that the carrier side chains face each other.

1 シートスタッカ
2 昇降テーブル
10 レシーブコンベヤ
20a 第1下敷送込み装置
20b 第2下敷送込み装置
30 下敷供給コンベヤ
31 下敷移送装置
32 回転部材
33 回転軸
34 受板
40 回転駆動装置
DESCRIPTION OFSYMBOLS 1Sheet stacker 2 Lifting table 10 Receiveconveyor 20a 1stunderlay feeding apparatus 20b 2ndunderlay feeding apparatus 30Underlay supply conveyor 31Underlay transfer apparatus 32 Rotatingmember 33 Rotatingshaft 34Receptacle 40 Rotation drive apparatus

Claims (2)

Translated fromJapanese
シートを積み重ねるシートスタッカの昇降テーブルに向けて矩形の下敷を送り込むレシーブコンベヤと、そのレシーブコンベヤの搬送面上に下敷を一枚ずつ送り込む並列配置の複数の下敷送込み装置とからなり、前記複数の下敷送込み装置のそれぞれが、前記レシーブコンベヤの搬送路の一側部上方に搬出端が臨み、その搬出端に向けて下敷を一枚ずつ搬送する下敷供給コンベヤと、その下敷供給コンベヤに対して直線状に並ぶ直列の配置とされ、下敷供給コンベヤから送り出される下敷を順次受け取ってレシーブコンベヤの搬送面上に向けて一定ストローク間歇的に下向きに移送させる下敷移送装置とを有し、前記下敷移送装置により下向きに移送される下敷がレシーブコンベヤの搬送面上に供給される毎に前記シートスタッカの昇降テーブル上に積み重ねられるシートの幅寸法に対応する距離を移動量として必要数の下敷をレシーブコンベヤの搬送面上で整列させるようにした下敷の供給装置。  A receiving conveyor that feeds a rectangular underlayment toward a lifting / lowering table of a sheet stacker that stacks sheets, and a plurality of underlay feeding devices that are arranged in parallel to send the underlay one by one onto the conveying surface of the receive conveyor, Each of the underlay feeding devices has an unloading end facing one side part above the conveying path of the receive conveyor, and conveys the underlay one by one toward the unloading end, and the underlay supply conveyor An underlay transfer device which is arranged in a straight line and has an underlay transfer device which sequentially receives the underlays sent from the underlay supply conveyor and transfers the underlays intermittently downward for a certain stroke toward the transport surface of the receive conveyor. Each time the underlay transported downward by the apparatus is supplied onto the transport surface of the receive conveyor, the lifting / lowering table of the sheet stacker is used. Underlayment supply device in the underlayment required number so as to align on the conveying surface of the receive conveyor as the moving amount of distance corresponding to the width of the sheet to be stacked on Le. レシーブコンベヤの下敷搬送方向と直交する方向に長く延びる回転軸に下敷の下面側部を支持する受板を設けた回転部材の一対をレシーブコンベヤの下敷搬送方向の前後で対向するよう設け、その前後一対の回転部材を上下段方向に等間隔に配置し、その前後一対の回転部材の相反する内側方向への回転によって上段の前後一対の受板上から下向きに移送される下敷が、上段の受板と同じ回転位置に取付けてある下段の前後一対の回転部材のそれぞれ最も内側の受板で支持されるよう各段の前後一対の回転部材を同調させて設定角度回転させる回転駆動装置を設け、前記各段の前後一対の回転部材の受板のうち、少なくとも最上段の前後一対の回転部材の受板を、回転軸の長さ方向に延びる帯状とした構成からなる請求項1に記載の下敷の供給装置。  A pair of rotating members provided with a receiving plate that supports the lower side of the underlay on the rotating shaft extending in a direction orthogonal to the underlay conveyance direction of the receive conveyor are provided so as to face each other in the front and back of the underlay conveyance direction of the receive conveyor. A pair of rotating members are arranged at equal intervals in the upper and lower steps, and an underlay that is transferred downward from the upper and lower pair of receiving plates by rotation of the pair of front and rear rotating members in opposite directions is an upper receiving member. A rotation drive device is provided for rotating the pair of front and rear rotating members of each stage in a synchronized manner to be supported by the innermost receiving plates of the lower pair of front and rear rotating members attached to the same rotational position as the plate; 2. The underlay according to claim 1, wherein, of the pair of front and rear rotating member receiving plates of each step, at least the uppermost pair of front and rear rotating member receiving plates has a strip shape extending in the length direction of the rotating shaft. Offering Apparatus.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
KR20150136241A (en)*2014-05-272015-12-07(주) 욱일에스피테크 Glass Panel Cycle Print And Dry System
CN108789607A (en)*2018-08-272018-11-13重庆梦马致新科技有限公司A kind of cardboard cutting automatic discharge unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPH06321318A (en)*1993-05-131994-11-22Fuji Mach Co LtdArticle accumulation and supply method and device therefor
JP2005239331A (en)*2004-02-252005-09-08Rengo Co LtdFeeder of underlay panel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPH06321318A (en)*1993-05-131994-11-22Fuji Mach Co LtdArticle accumulation and supply method and device therefor
JP2005239331A (en)*2004-02-252005-09-08Rengo Co LtdFeeder of underlay panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
KR20150136241A (en)*2014-05-272015-12-07(주) 욱일에스피테크 Glass Panel Cycle Print And Dry System
KR101646163B1 (en)2014-05-272016-08-08(주) 욱일에스피테크Glass Panel Cycle Print And Dry method
CN108789607A (en)*2018-08-272018-11-13重庆梦马致新科技有限公司A kind of cardboard cutting automatic discharge unit

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