JP2005008357A - Sheet material taking-out/supplying device and sheet material taking-out/supplying method - Google Patents

Sheet material taking-out/supplying device and sheet material taking-out/supplying method Download PDF

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Publication number
JP2005008357A
JP2005008357A JP2003174726A JP2003174726A JP2005008357A JP 2005008357 A JP2005008357 A JP 2005008357A JP 2003174726 A JP2003174726 A JP 2003174726A JP 2003174726 A JP2003174726 A JP 2003174726A JP 2005008357 A JP2005008357 A JP 2005008357A
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Prior art keywords
sheet material
sheet
uppermost
air
take
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JP2003174726A
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Japanese (ja)
Inventor
Koji Kamitsuji
浩司 上辻
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Gunze Ltd
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Gunze Ltd
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Priority to JP2003174726A priority Critical patent/JP2005008357A/en
Priority to CNB2004800169372A priority patent/CN100500531C/en
Priority to PCT/JP2004/008906 priority patent/WO2004113208A1/en
Publication of JP2005008357A publication Critical patent/JP2005008357A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/54—Pressing or holding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B65H1/18—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device controlled by height of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0816—Suction grippers separating from the top of pile
    • B65H3/0833—Suction grippers separating from the top of pile and acting on the front part of the articles relatively to the final separating direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/48—Air blast acting on edges of, or under, articles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sheet material taking-out/supplying device capable of eliminating separation failure of sheet materials by efficiently handling the sheet material with an air flow. <P>SOLUTION: This sheet material taking-out device for taking out the top layer sheet material among a sheet material layered bundle inside a sheet material housing unit to be driven for elevation by an elevating means to transfer it to a sheet material carrying device is provided with a sheet material separating means for separating a lower layer sheet material from the top layer sheet material by blowing air between the sheet materials, a suction carrying means having a suction opening for sucking the top layer sheet material, which is floated by the blown air, to transfer it to the sheet carrying unit, and a control means for controlling them as a whole. The sheet separating means has injection holes in a plurality of lines in the vertical direction, and the sheet materials of the sheet material layered bundle are previously handled by the injection holes provided in lower parts till the sheet material is raised to the top layer position. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、例えばスタッカ・バンドラの当て紙（シート材）の供給装置から最上層の当て紙のみを確実に取り出すための取り出し供給装置及びシート材取り出し供給方法に関するものである。
【０００２】
【従来の技術】
取り出し供給装置においてシート材の積層束から最上層シート材を分離させる手段としては、シート材積層束の最上層シート材の上面部分を吸着する吸着ローラーを備え、このローラーによって前記紙葉片を吸着した状態で回転して最上層シート材を分離するもの（例えば、特許文献１参照。）や、シート材積層束の最上層シート材を湾曲させる分離爪を備え、シート材の移動に伴って該分離爪によって該シート材を湾曲させて分離するもの（例えば、特許文献２参照。）が提案されている。
【０００３】
【特許文献１】
特開２００２−３３７８１８号公報（第４−７頁、第８−１０図）
【０００４】
【特許文献２】
特開２００２−３７０８４０号公報（第９頁、図５）
【０００５】
【発明が解決しようとする課題】
しかしながら、これらの取り出し供給装置は、吸着ローラーや分離爪をシート材に直接接触させて分離を行うので、シート材が傷み易く、また、いきなり分離動作を行うので、シート材の材質等によっては分離不良が生じるという問題があった。
【０００６】
本発明は、エア流によってシート材を効率的にさばくことによってシート材に分離不良の解消することができるシート材取り出し供給装置及びシート材取り出し供給方法を提供する。
【０００７】
【課題を解決するための手段】
本発明のシート材取り出し供給装置は、昇降手段によって昇降駆動されるシート材収容部内のシート材積層束のうち最上層シート材を取り出してシート材搬送部に移すためのシート材取り出し装置であって、前記シート材間にエアを吹き込んで前記最上層シート材を下層のシート材から分離するためのシート材分離手段と、吸着口を有し、該吸着口によって前記エアの吹き込みによって浮遊する前記最上層シート材を吸着して前記シート材搬送部に移すための吸着搬送手段と、これらを総括的に制御する制御手段と、を備え、前記シート材分離手段は、上下方向に複数列設される噴射孔を有し、前記シート材積層束のシート材が最上層の位置に上昇するまでに、該シート材は下位の噴射孔によって予備的にさばかれるように構成したことを特徴とするものである。
【０００８】
また、最上層シート材の上面を押さえる押さえ部材を、噴射エア流の下流側に位置させるのが望ましい。
【０００９】
また、前記吸着搬送手段の吸着口に吸着されたシート材に向けて前記エアを断続的に噴射するのが望ましい。
【００１０】
本発明のシート材取り出し供給方法は、昇降手段によって昇降駆動されるシート材収容部内のシート材積層束のうち、上面が押さえ部材で押さえ付けられた最上層シート材を取り出してシート材搬送部に移すためのシート材取り出し供給方法であって、前記最上層シート材の高さを前記押さえ部材に連結された検出手段によって検出して前記昇降手段によって前記最上層シート材を所定高さに位置させ、この状態で前記シート材積層束のシート材間にエアを吹き込んで前記最上層シート材を下層のシート材から分離し、該エアの吹き込みによって浮遊する前記最上層シート材を吸着搬送手段によって吸着した後、前記押さえ部材と下層の前記シート材との間から引き抜いて前記シート材搬送部に移す一方、前記最上層シート材の高さを検出する際には、前記エアの吹き込みを停止した状態で予め前記昇降手段によって前記シート材積層束を上下させることを特徴とする。
【００１１】
【発明の実施の形態】
本発明の好ましい実施形態について以下に図面を参照して説明する。図１〜３は、本実施形態に係る当て紙３０ａ（シート材）の取り出し供給装置Ａが備わったスタッカ・バンドラ１の内部配置を示し、図１は正面図、図２は平面図、図３は側面図である。スタッカ・バンドラ１は、折丁搬送装置３、瀬切り装置４、ニップローラ５，５’、仮受け板１５、及び結束装置８、束集積装置２０等を備えている。
【００１２】
束集積装置２０と結束装置８との間には、ベルトコンベアで構成される束搬送装置２１が介在されている。図示の例では、折丁搬送装置３から搬送された折丁は、束集積装置２０に集積された後、折丁搬送装置３の搬送方向（図１の紙面裏側から表側の方向）とは直角方向（図１の紙面左側から右側の方向）に搬送される構成である。斯かる配置構成により、プッシャー１４は、折丁搬送装置３の搬送方向と直角方向に沿って配置されている。なお、束集積装置２０の下流側においても、折丁搬送装置３の搬送方向と同じ方向に搬送する配置構成とすることもできる。
【００１３】
束集積装置２０の昇降台１３は、油圧ジャッキ１３ａによって昇降動し得るとともに、回転可能の支持されており、モーター１３ｂによって回転駆動し得る。モーター１３ｂは、折丁の束９Ｘが所定部数に達した時に該折丁の折り目が反対位置（反転位置）となるように昇降台１３を１８０°回転させ停止させるように制御される。
【００１４】
昇降台１３上に集積される折丁を揃えるために昇降台１３上に配置されている側板１３ｃは、開閉機構を有し、プッシャー１４の前進時及びそれに続く後退時に開き、プッシャー１４の後退後は閉状態を維持するように制御される。側板１３ｃは、プッシャー１４の作動時にプッシャーの進退動時を阻害しないように可動に構成されておればよく、開閉機構の他に、例えば昇降台１３に対して進退動可能な進退機構等の種々の機構を採用することができる。また、側板１３ｃは、図示の例では昇降台１３に取り付けられているが、昇降台１３とは独立して別個のフレーム等（図示省略）に取り付けても良い。
【００１５】
束搬送装置２１は、プッシャー１４によって昇降台１３から押し出された折丁の束９Ｘを隣接配置された結束装置８に向けて搬送する。束結束装置８の結束台８ａ上にもコンベアベルト８ｂ（図２）が設けられ、束搬送装置２１から送られてきた束を受け取り、結束台８ａ上の所定位置にて束を停止させる。積まれた折丁の束は、プレスされて結束される。
【００１６】
スタッカ・バンドラ１は、図１に示すように、束集積装置２０から排出された束の下面に当て紙３０ａを供給する下部当て紙供給装置３０と、束の上面に当て紙３１ａを供給する上部当て紙供給装置３１とを更に備える。
【００１７】
下部当て紙供給装置３０は、複数枚の当て紙３０ａが積層された当て紙積層束３００ａを収容する当て紙収容部３０ｂと、当て紙収容部３０ｂを昇降駆動させる昇降手段３２と、当て紙３０ａの取り出し供給装置Ａと、該取り出し供給装置Ａによって取り出された当て紙３０ａを挟持して搬送する一対のコンベアベルト３０ｄ，３０ｅからなる当て紙搬送部３３と、を備えている。
【００１８】
図４のように取り出し供給装置Ａは、当て紙分離手段Ａ１と、吸着搬送手段Ａ２と、最上層の当て紙３０ａの近接スイッチのような検出手段Ａ３と、これらを総括的に制御する制御手段（図示省略）と、最上層の当て紙３０ａの上面を押さえる押さえ部材Ａ４と、を備えている。
【００１９】
当て紙分離手段Ａ１は、当て紙収容部３０ｂ内の当て紙積層束３００ａの当て紙３０ａ間にエアを吹き込んで当て紙３０ａを分離するものであって、図７のように上下方向に等間隔で複数列設される噴射孔Ａ１１を有するエア噴射体Ａ１２を備え、各噴射孔Ａ１１は図７の矢印のように当て紙積層束３００ａの積層端面に向けてエアを噴射するものであり、エア噴射体Ａ１２は支持フレームＡ１３に固定されている。
【００２０】
押さえ部材Ａ４は、図４及び図５のように押さえローラＡ４１と、該押さえローラＡ４１の支持バーＡ４２と、該支持バーＡ４２を上下方向に移動自在に案内するガイドＡ４３と、を備えている。押さえローラＡ４１は、当て紙分離手段Ａ１の噴射孔Ａ１１から噴射されるエアの下流側に位置して、自重によって降下して最上層の当て紙３０ａの上面を押さえるものである。また、図４のように支持バーＡ４３には被検出体Ａ５が固定されている。なお、ガイドＡ４２は図外のガイド支持フレームに固定されている。
【００２１】
吸着搬送手段Ａ２は、最上層の当て紙３０ａを吸着して当て紙搬送部３３に移すものであって、図４のように吸着口Ａ２１を有する吸着体Ａ２２を揺動杆Ａ２３の下端に取り付けて構成され、揺動杆Ａ２３は駆動手段（図示省略）によって上端を中心にして揺動し、吸着体Ａ２２は揺動杆Ａ２３の軸方向に沿って昇降手段（図示省略）によって昇降自在となっている。そして、図７のように当て紙分離手段Ａ１による当て紙３０ａ間へのエア吹き込みによって浮遊する最上層の当て紙３０ａを吸着口Ａ２１によって吸着した後、図４の二点鎖線のように揺動杆Ａ２３を外側方に揺動させ、次に、吸着体Ａ２２を降下させて最上層の当て紙３０ａを当て紙搬送部３３に移した後に該当て紙３０ａを吸着体Ａ２２から解除する。
【００２２】
最上層の当て紙３０ａの高さについては、図６に示すＨ１からＨ２の範囲内のときに、最上層の当て紙３０ａがエア噴射によって浮遊して吸着体Ａ２２に吸着されるように設定されている。
【００２３】
そして、図６（ａ）（ｂ）のように紙積層束３００ａの最上層の当て紙３０ａが、吸着搬送手段Ａ２によって次々と引き出されて、高さＨ２よりも低位に位置することになると、被検出体Ａ５が検出手段Ａ３の検出範囲から外れることにより、前記制御手段は検出手段Ａ３の信号を受けて昇降手段３２を動作させ、同図（ｃ）のように最上層の当て紙３０ａがＨ１のレベルに位置するまで、当て紙収容部３０ｂを上昇させる。
【００２４】
したがって、図６（ａ）に示す位置にある当て紙３０ａ（太線で示す）は、エア噴射体Ａ１２の下位の噴射孔Ａ１１によるエア噴射によってさばかれ、同図（ｂ）のように当て紙収容部３０ｂの上昇に伴って更にエア噴射体Ａ１２の中位の噴射孔Ａ１１のエア噴射によってもさばかれ、更に同図（ｃ）のように当て紙積層束３００ａの最上層に位置したときには、エア噴射体Ａ１２の上位の噴射孔Ａ１１によってさばかれて空中に浮遊し、吸着体Ａ２２の吸着口Ａ２１に吸着される。また、仮に吸着体Ａ２２に吸着された最上層の当て紙３０ａの下面に当て紙３０ａが付着したときでも、上位の噴射孔Ａ１１によるエア噴射によって、付着した当て紙３０ａを分離させて最上層の当て紙３０ａのみを当て紙搬送部に移すことができる。
【００２５】
このように、当て紙３０ａは、当て紙積層束３００ａの当て紙３０ａが最上層の位置に上昇するまでに下位及び中位の噴射孔Ａ１１によって予備的にさばかれるので、最上層の当て紙３０ａを効率的にさばくことができ、例えば、最上層の当て紙３０ａ上面より約１０ｍｍ前後下位にある当て紙３０ａは、最上層の位置に到達するまで数回さばかくことが可能になる。
【００２６】
なお、エア噴射は連続噴射ではなく断続噴射を行うのが望ましい。これは、連続噴射の場合には、噴射中、定常状態であるために、吸着体Ａ２２に吸着された最上層の当て紙３０ａの下面に付着した当て紙３０ａは分離され難いためである。
【００２７】
当て紙排出口３０ｆ（コンベアベルト３０ｄ，３０ｅの搬送端）からの当て紙３０ａの供給については、束搬送装置２１の搬送経路上に赤外センサーなどの検知手段（図示省略）が設けられ、該検知手段によって束の搬送を検知し、その検知信号に基づいて、吸着搬送手段Ａ２により当て紙収容部３０ｂから当て紙３０ａを取り出して束搬送装置２１の搬送速度に併せて供給する。
【００２８】
また、上部当て紙供給装置３１は、従来公知の当て紙供給装置を採用することができ、前記センサー等による搬送束の検知信号に基づいて、吸着搬送手段３１ｂを作動させて、結束台８ａ上の束に上方から当て紙３１ａを供給する。また、上部当て紙供給装置３１にも上述と同じ構成の取り出し供給装置Ａを備えるようにしても良い。
【００２９】
また、押さえ部材Ａ４と下層の当て紙３０ａとの間から最上層の当て紙３０ａを引き抜く際には、摩擦等によって当て紙３０ａの積層状態に乱れが生じ、最上層の当て紙３０ａの検出ミスの原因になる。そこで、最上層の当て紙３０ａの高さを検出する際には、エアの吹き込みを停止した状態で予め昇降手段３２によって当て紙収容部３０ｂを上下させて当て紙積層束３００ａに衝撃を与える。これによって当て紙３０ａの積層の乱れが整えられて検出ミスを解消することができる。すなわち、検出手段Ａ３は、シート材の接触式であり、その動きは近接スイッチで感知するものであるが、当て紙収容部３０ｂを上下動させることによって、当て紙積層束３００ａの上層部を整列させ、上層部の当て紙３０ａを初期の積層状態に戻して最上層の当て紙３０ａの検出を確実なものにしている。
【００３０】
なお、本発明のシート材取り出し供給装置は、スタッカバンドラーで刷本の小束が幾つか作成されることによって大束が完成した後、当て紙３０ａを一枚ずつ供給すれば良いので（早くても２０〜３０ｓｅｃに一回程度）、当て紙３０ａの取り出しに余裕ができる。したがって、上述のように積層状態を整える操作を挿入することによって当て紙３０ａを一枚一枚確実に取り出すことが可能になる。
【００３１】
次に、スタッカ・バンドラの全体的な作動について説明する。
【００３２】
先ず、折丁搬送装置から排出された折丁は束集積装置２０において上昇位置にある昇降台上に集積され、所定部数に達すると瀬切り装置が作動して折丁搬送装置上の折丁の流れを一時的に止め、昇降台は下降動するとともに、仮受け板が前進する。
【００３３】
仮受け板１５が所定の前進位置に達したところで、瀬切り装置が解除され、後続の折丁の流れを仮受け板１５が受け、仮受け板１５上に折丁が集積される。
【００３４】
仮受け板１５が折丁を仮受けしている間に、昇降台は下降位置に達して反転した後、再び上昇する。昇降台１３が上昇動するのに併せて仮受け板１５が後退動し、仮受け板１５上に仮受けされていた折丁の束を受け取るとともに、続けて折丁の流れを受ける。
【００３５】
こうして昇降台１３上に所定部数の折丁の束が集積されると、昇降台１３は所定の下降位置に下降動し、側板１３ｃが開いてプッシャー１４により折丁の束が束搬送装置２１上に押し出される。側板１３ｃは、開くことによって、プッシャーによって押される束のガイドとしても機能し得る。
【００３６】
束搬送装置２１上に押し出された束は、束搬送装置２１によって結束台８ａ上に搬送される。束搬送装置２１上を搬送される束を前記検知手段が検知し、下部当て紙供給装置３０が作動する。そして、上述のように取り出し供給装置Ａによって当て紙収容部３０ｂ，３０ｂ内の当て紙積層束３００ａのうち最上層の当て紙３０ａを取り出して当て紙搬送部３３に移した後、当て紙排出口３０ｆから当て紙３０ａが折丁束９Ｘの搬送速度に併せて排出されるとともに、上部当て紙供給装置３１によって結束台８ａ上で停止した折丁の束に上方から当て紙３１ａが供給される。上方からの当て紙３１ａが供給された後、結束装置８によって結束バンドがかけられる。
【００３７】
【発明の効果】
以上の説明からも明らかなように、本発明のシート材取り出し供給装置及びシート材取り出し供給方法によれば、シート材の分離不良が解消され、吸着搬送手段の吸着口にシート材を吸着する際に、二枚取りを回避できる。
【００３８】
また、最上層シート材の上面を押さえる押さえ部材を、噴射エア流の下流側に位置させたので、エア流によってシート材が効率良くさばかれるにも拘わらず、シート材のばらつきを押さえることができる。
【図面の簡単な説明】
【図１】本発明に係るシート材取り出し供給装置を備えたスタッカ・バンドラの一実施形態を示す縦断正面図であり、図２のＡ−Ａ視に対応する。
【図２】図１のスタッカ・バンドラの横断平面図であり、図１及び図３のＢ−Ｂ視に対応する。
【図３】図１のスタッカ・バンドラの縦断側面図であり、図２のＣ−Ｃ視に対応する。
【図４】本発明に係るシート材取り出し供給装置の実施形態を示す縦断正面図である。
【図５】本発明に係るシート材取り出し供給装置の押さえ部材を示す斜視図である。
【図６】（ａ）〜（ｄ）は、本発明に係るシート材取り出し供給装置の実施形態の動作を示す縦断正面図である。
【図７】本発明に係るシート材取り出し供給装置の実施形態の動作を示す縦断正面図である。
【符号の説明】
Ａ 取り出し供給装置
Ａ１ 当て紙分離手段（シート材分離手段）
Ａ２ 吸着搬送手段
Ａ３ 検出手段
Ａ４ 押さえ部材
Ａ５ 被検出体
３０ａ 当て紙（シート材）
３００ａ 当て紙積層束（シート材積層束）
Ａ１１ 噴射孔
Ａ１２ エア噴射体[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a take-out supply apparatus and a sheet material take-out and supply method for reliably taking out only the uppermost application sheet from, for example, a stacker / bundle application paper (sheet material) supply apparatus.
[0002]
[Prior art]
As a means for separating the uppermost sheet material from the laminated bundle of sheet materials in the take-out supply device, an adsorption roller that adsorbs the upper surface portion of the uppermost sheet material of the laminated sheet material bundle is provided, and the paper sheet pieces are adsorbed by this roller. It is provided with a separation claw that turns the uppermost sheet material by rotating it in a state (see, for example, Patent Document 1) and the uppermost sheet material of the sheet material stack, and the separation is performed as the sheet material moves. There has been proposed one in which the sheet material is bent and separated by a nail (see, for example, Patent Document 2).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-337818 (pages 4-7 and 8-10)
[0004]
[Patent Document 2]
JP 2002-370840 A (page 9, FIG. 5)
[0005]
[Problems to be solved by the invention]
However, since these take-out and supply devices perform separation by directly contacting the suction roller or separation claw with the sheet material, the sheet material is easily damaged, and the separation operation is suddenly performed. Therefore, depending on the material of the sheet material, etc. There was a problem that defects occurred.
[0006]
The present invention provides a sheet material take-out and supply apparatus and a sheet material take-out and supply method that can eliminate separation defects in a sheet material by efficiently separating the sheet material with an air flow.
[0007]
[Means for Solving the Problems]
The sheet material take-out and supply device of the present invention is a sheet material take-out device for taking out the uppermost layer sheet material from the sheet material stack bundle in the sheet material storage unit that is driven up and down by the elevating means and moving it to the sheet material conveying unit. The sheet material separating means for separating the uppermost layer sheet material from the lower layer sheet material by blowing air between the sheet materials, and an adsorption port, and the uppermost layer floating by blowing the air through the adsorption port. A suction conveyance means for adsorbing the upper layer sheet material and transferring it to the sheet material conveyance section; and a control means for comprehensively controlling these; the sheet material separation means are arranged in a plurality of rows in the vertical direction. It has injection holes, and the sheet material is configured to be preliminarily delimited by the lower injection holes until the sheet material of the sheet material stack is raised to the uppermost layer position. It is an.
[0008]
In addition, it is desirable that a pressing member for pressing the upper surface of the uppermost sheet material is positioned on the downstream side of the jet air flow.
[0009]
In addition, it is desirable that the air is intermittently ejected toward the sheet material adsorbed by the adsorption port of the adsorption conveyance unit.
[0010]
In the sheet material take-out and supply method of the present invention, the uppermost sheet material whose upper surface is pressed by the pressing member is taken out of the sheet material stack in the sheet material storage unit that is driven up and down by the elevating means, and is taken into the sheet material conveying unit. A sheet material take-out and supply method for transferring, wherein the height of the uppermost layer sheet material is detected by a detecting means connected to the pressing member, and the uppermost layer sheet material is positioned at a predetermined height by the elevating means. In this state, air is blown between the sheet materials of the sheet material stack to separate the uppermost sheet material from the lower layer sheet material, and the uppermost sheet material floating by the blowing of air is adsorbed by the adsorption conveying means. Then, the sheet material is pulled out from between the pressing member and the lower sheet material and transferred to the sheet material conveyance unit, while the height of the uppermost sheet material is detected. When doing so, and wherein the raising and lowering said sheet material stacking bundle in advance by the elevating means after stopping the blowing of the air.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Preferred embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show the internal arrangement of the stacker / bundleer 1 provided with the take-out and feeding device A for sheet 30a (sheet material) according to this embodiment, FIG. 1 is a front view, FIG. 2 is a plan view, and FIG. Is a side view. The stacker / bundler 1 includes a signature conveying device 3, a settling device 4, nip rollers 5 and 5 ′, a temporary receiving plate 15, a bundling device 8, a bundle accumulating device 20, and the like.
[0012]
Between the bundle accumulating device 20 and the bundling device 8, a bundle conveying device 21 composed of a belt conveyor is interposed. In the illustrated example, the signatures conveyed from the signature conveying device 3 are accumulated in the bundle accumulating device 20 and then perpendicular to the conveying direction of the signature conveying device 3 (the direction from the back side to the front side in FIG. 1). In this configuration, the sheet is conveyed in the direction (from the left side to the right side in FIG. 1). With such an arrangement, the pusher 14 is arranged along a direction perpendicular to the conveying direction of the signature conveying device 3. In addition, it can also be set as the arrangement structure which conveys in the same direction as the conveyance direction of the signature conveyance apparatus 3 also in the downstream of the bundle stacking apparatus 20. FIG.
[0013]
The lifting platform 13 of the bundle stacking device 20 can be moved up and down by a hydraulic jack 13a, is rotatably supported, and can be driven to rotate by a motor 13b. The motor 13b is controlled to rotate the elevator 13 180 degrees and stop so that the fold of the signature is in the opposite position (reverse position) when the bundle 9X of the signature reaches a predetermined number of copies.
[0014]
The side plate 13c arranged on the lifting platform 13 to align the signatures accumulated on the lifting platform 13 has an opening / closing mechanism, and opens when the pusher 14 moves forward and thereafter, and after the pusher 14 moves backward. Is controlled to remain closed. The side plate 13c only needs to be configured to be movable so as not to obstruct the pusher's advancement / retraction when the pusher 14 is operated. This mechanism can be adopted. The side plate 13c is attached to the lifting platform 13 in the illustrated example, but may be attached to a separate frame or the like (not shown) independently of the lifting platform 13.
[0015]
The bundle conveying device 21 conveys the bundle 9X of signatures pushed out from the elevator 13 by the pusher 14 toward the bundling devices 8 arranged adjacent to each other. A conveyor belt 8b (FIG. 2) is also provided on the bundling table 8a of the bundling device 8, receives the bundle sent from the bunch conveying device 21, and stops the bundle at a predetermined position on the bundling table 8a. The stack of signatures stacked is pressed and bound.
[0016]
As shown in FIG. 1, the stacker bundler 1 includes a lower sheet feeding device 30 that supplies a backing paper 30 a to the lower surface of the bundle discharged from the bundle stacking device 20, and an upper portion that supplies a sheet 31 a to the upper surface of the bundle. A patch paper supply device 31 is further provided.
[0017]
The lower sheet supply device 30 includes a sheet storage unit 30b that stores a sheet stack 300a in which a plurality of sheets 30a are stacked, an elevating unit 32 that drives the sheet storage unit 30b up and down, and a sheet 30a. And a sheet feeding unit 33 including a pair of conveyor belts 30d and 30e that sandwich and convey the sheet 30a taken out by the sheet feeding and feeding device A.
[0018]
As shown in FIG. 4, the take-out and supply apparatus A includes a sheet separating unit A1, a suction conveying unit A2, a detecting unit A3 such as a proximity switch of the uppermost sheet 30a, and a control unit that controls these in a comprehensive manner. (Not shown) and a pressing member A4 for pressing the upper surface of the uppermost sheet 30a.
[0019]
The application paper separating means A1 blows air between the application papers 30a of the application paper stack 300a in the application paper storage section 30b to separate the application papers 30a, and is equally spaced in the vertical direction as shown in FIG. Air injection bodies A12 having injection holes A11 arranged in a plurality of rows, and each injection hole A11 injects air toward the stacking end face of the sheet stack 300a as indicated by the arrows in FIG. The ejector A12 is fixed to the support frame A13.
[0020]
As shown in FIGS. 4 and 5, the pressing member A4 includes a pressing roller A41, a support bar A42 of the pressing roller A41, and a guide A43 that guides the support bar A42 so as to be movable in the vertical direction. The pressing roller A41 is located downstream of the air ejected from the ejection hole A11 of the sheet separating means A1, and descends by its own weight to depress the upper surface of the uppermost sheet 30a. Further, as shown in FIG. 4, the detection object A5 is fixed to the support bar A43. The guide A42 is fixed to a guide support frame (not shown).
[0021]
The suction conveyance means A2 sucks the uppermost sheet 30a and moves it to the sheet conveyance unit 33. As shown in FIG. 4, an adsorption body A22 having an adsorption port A21 is attached to the lower end of the swinging rod A23. The swinging rod A23 is swung around the upper end by a driving means (not shown), and the adsorbent A22 can be lifted and lowered by a lifting means (not shown) along the axial direction of the swinging rod A23. ing. Then, as shown in FIG. 7, the uppermost application sheet 30a floating by the blowing of air between the application sheets 30a by the application sheet separating means A1 is adsorbed by the adsorption port A21, and then swings as indicated by the two-dot chain line in FIG. After the ridge A23 is swung outward, the adsorber A22 is lowered, and the uppermost application paper 30a is moved to the application paper transport unit 33, and then the paper 30a is released from the adsorbent A22.
[0022]
The height of the uppermost application sheet 30a is set so that the uppermost application sheet 30a floats by air injection and is adsorbed to the adsorbent A22 when it is within the range of H1 to H2 shown in FIG. ing.
[0023]
Then, as shown in FIGS. 6 (a) and 6 (b), when the uppermost application sheet 30a of the paper stack 300a is pulled out one after another by the suction conveyance means A2, and is positioned lower than the height H2, When the detection object A5 is out of the detection range of the detection means A3, the control means receives the signal of the detection means A3 and operates the lifting means 32, and the uppermost application sheet 30a is moved as shown in FIG. The pad paper receiving portion 30b is raised until it is at the level of H1.
[0024]
Accordingly, the application paper 30a (shown by a thick line) at the position shown in FIG. 6A is delimited by air injection through the lower injection hole A11 of the air injection body A12, and the application paper is accommodated as shown in FIG. 6B. As the portion 30b rises, it is further blocked by the air injection of the middle injection hole A11 of the air injection body A12, and when it is positioned at the uppermost layer of the sheet stack 300a as shown in FIG. It is held by the upper injection hole A11 of the injection body A12, floats in the air, and is adsorbed by the adsorption port A21 of the adsorption body A22. Further, even when the backing paper 30a adheres to the lower surface of the uppermost application sheet 30a adsorbed by the adsorbent A22, the attached application paper 30a is separated by air injection from the upper injection hole A11, and the uppermost application sheet 30a is attached. Only the backing paper 30a can be transferred to the backing paper transport section.
[0025]
In this way, since the patch 30a is preliminarily separated by the lower and middle injection holes A11 before the patch 30a of the patch stack 300a rises to the position of the uppermost layer, the uppermost patch 30a. For example, the application paper 30a that is approximately 10 mm lower than the upper surface of the uppermost application sheet 30a can be applied several times until reaching the position of the uppermost layer.
[0026]
Note that air injection is desirably intermittent injection rather than continuous injection. This is because in the case of continuous injection, since the injection is in a steady state, the application paper 30a adhering to the lower surface of the uppermost application paper 30a adsorbed by the adsorbent A22 is difficult to separate.
[0027]
For supplying the sheet 30a from the sheet discharge port 30f (conveying end of the conveyor belts 30d and 30e), a detection means (not shown) such as an infrared sensor is provided on the conveyance path of the bundle conveying device 21, The detection unit detects the conveyance of the bundle, and based on the detection signal, the suction conveyance unit A2 takes out the application paper 30a from the application paper storage unit 30b and supplies it together with the conveyance speed of the bundle conveyance device 21.
[0028]
The upper sheet supply device 31 can employ a conventionally known sheet supply device, and operates the suction conveyance means 31b on the binding table 8a based on the detection signal of the conveyance bundle by the sensor or the like. The sheet 31a is supplied to the bundle of paper from above. Further, the upper application paper supply device 31 may also be provided with a take-out supply device A having the same configuration as described above.
[0029]
In addition, when the uppermost sheet 30a is pulled out between the pressing member A4 and the lower layer sheet 30a, the laminated state of the sheet 30a is disturbed due to friction or the like, and the detection error of the uppermost sheet 30a is detected. Cause. Therefore, when detecting the height of the uppermost application sheet 30a, the application sheet storage unit 30b is moved up and down in advance by the elevating means 32 in a state where the blowing of air is stopped, and an impact is applied to the application sheet stack 300a. Thereby, the disorder of the lamination of the backing paper 30a is arranged, and detection errors can be eliminated. That is, the detection means A3 is a contact type of the sheet material, and its movement is detected by a proximity switch, but the upper layer part of the sheet stack bundle 300a is aligned by moving the sheet receiving part 30b up and down. Thus, the upper layer application sheet 30a is returned to the initial laminated state to ensure the detection of the uppermost application sheet 30a.
[0030]
Note that the sheet material take-out and supply device of the present invention can supply the backing paper 30a one by one after the large bundle is completed by creating several small bundles of the printing book with the stacker bundler (at the earliest). About once every 20 to 30 sec), there is a margin for taking out the backing paper 30a. Therefore, it becomes possible to reliably take out the sheet 30a one by one by inserting the operation for adjusting the laminated state as described above.
[0031]
Next, the overall operation of the stacker bundler will be described.
[0032]
First, the signatures ejected from the signature conveying device are accumulated on the lifting platform at the raised position in the bundle accumulating device 20, and when the predetermined number of copies are reached, the settling device is activated and the signatures on the signature conveying device are moved. The flow is temporarily stopped, the lifting platform moves downward, and the temporary support plate moves forward.
[0033]
When the temporary receiving plate 15 reaches a predetermined advance position, the settling device is released, the flow of the subsequent signature is received by the temporary receiving plate 15, and the signature is accumulated on the temporary receiving plate 15.
[0034]
While the temporary receiving plate 15 temporarily receives the signature, the lifting platform reaches the lowered position and reverses, and then rises again. As the elevating table 13 moves up, the temporary receiving plate 15 moves backward, receives a bundle of signatures temporarily received on the temporary receiving plate 15, and then receives the flow of signatures.
[0035]
When a bundle of signatures of a predetermined number is stacked on the lifting platform 13 in this way, the lifting platform 13 is moved down to a predetermined lowered position, the side plate 13c is opened, and the bundle of signatures is moved onto the bundle conveying device 21 by the pusher 14. Extruded. The side plate 13c can also function as a guide for a bundle pushed by the pusher when opened.
[0036]
The bundle pushed onto the bundle conveying device 21 is conveyed onto the binding table 8a by the bundle conveying device 21. The detecting means detects the bundle conveyed on the bundle conveying device 21, and the lower sheet feeding device 30 operates. Then, as described above, the take-out supply device A takes out the uppermost application sheet 30a from the application sheet stacking bundle 300a in the application sheet storage unit 30b, 30b and moves it to the application sheet transport unit 33, and then the application paper discharge port. The sheet 30a is discharged from 30f in accordance with the conveyance speed of the signature bundle 9X, and the sheet 31a is supplied from above to the bundle of signatures stopped on the binding table 8a by the upper sheet supply device 31. After the application paper 31 a from above is supplied, a binding band is applied by the binding device 8.
[0037]
【The invention's effect】
As is clear from the above description, according to the sheet material take-out and supply apparatus and sheet material take-out and supply method of the present invention, the separation failure of the sheet material is eliminated, and the sheet material is adsorbed to the adsorption port of the adsorption conveyance means. In addition, it is possible to avoid taking two sheets.
[0038]
In addition, since the pressing member that presses the upper surface of the uppermost sheet material is positioned on the downstream side of the jet air flow, the variation in the sheet material can be suppressed even though the sheet material is efficiently separated by the air flow. .
[Brief description of the drawings]
FIG. 1 is a longitudinal front view showing an embodiment of a stacker bundler provided with a sheet material take-out and feeding device according to the present invention, and corresponds to the view AA in FIG.
FIG. 2 is a cross-sectional plan view of the stacker bundler of FIG. 1, corresponding to the BB view of FIGS. 1 and 3;
3 is a longitudinal side view of the stacker bundler of FIG. 1, corresponding to the CC view of FIG.
FIG. 4 is a longitudinal front view showing an embodiment of a sheet material taking out and feeding apparatus according to the present invention.
FIG. 5 is a perspective view showing a pressing member of the sheet material taking out and supplying apparatus according to the present invention.
FIGS. 6A to 6D are longitudinal sectional front views showing the operation of the embodiment of the sheet material taking-out and feeding apparatus according to the present invention.
FIG. 7 is a longitudinal front view showing the operation of the embodiment of the sheet material take-out and supply apparatus according to the present invention.
[Explanation of symbols]
A take-out supply device A1 application paper separating means (sheet material separating means)
A2 Adsorbing / conveying means A3 Detection means A4 Holding member A5 Detected object 30a Adhesive paper (sheet material)
300a Laminated paper stack (sheet material stack)
A11 injection hole A12 Air injection body

Claims (4)

昇降手段によって昇降駆動されるシート材収容部内のシート材積層束のうち最上層シート材を取り出してシート材搬送部に移すためのシート材取り出し供給装置であって、
前記シート材間にエアを吹き込んで前記最上層シート材を下層のシート材から分離するためのシート材分離手段と、
吸着口を有し、該吸着口によって前記エアの吹き込みによって浮遊する前記最上層シート材を吸着して前記シート材搬送部に移すための吸着搬送手段と、
これらを総括的に制御する制御手段と、を備え、
前記シート材分離手段は、上下方向に複数列設される噴射孔を有し、前記シート材積層束のシート材が最上層の位置に上昇するまでに、該シート材は下位の噴射孔によって予備的にさばかれるように構成したことを特徴とするシート材取り出し供給装置。A sheet material take-out and supply device for taking out the uppermost layer sheet material from the sheet material stack in the sheet material storage unit driven up and down by the elevating means and moving it to the sheet material conveying unit,
Sheet material separating means for blowing air between the sheet materials to separate the uppermost sheet material from the lower sheet material;
An adsorbing and conveying means for adsorbing the uppermost sheet material floating by blowing the air through the adsorbing port and transferring it to the sheet material conveying unit;
Control means for controlling these in a comprehensive manner,
The sheet material separating means has a plurality of rows of injection holes arranged in the vertical direction, and the sheet material is spared by lower order injection holes until the sheet material of the sheet material stack is raised to the uppermost layer position. An apparatus for taking out and supplying a sheet material, characterized in that the apparatus is configured so as to be judged. 最上層シート材の上面を押さえる押さえ部材を、噴射エア流の下流側に位置させたことを特徴とする請求項１に記載のシート材取り出し供給装置。The sheet material take-out and feeding device according to claim 1, wherein a pressing member for pressing the upper surface of the uppermost sheet material is positioned on the downstream side of the jet air flow. 前記吸着搬送手段の吸着口に吸着されたシート材に向けて前記エアを断続的に噴射することを特徴とする請求項１又は２に記載のシート材取り出し供給装置。The sheet material take-out and supply device according to claim 1, wherein the air is intermittently ejected toward the sheet material adsorbed by the adsorption port of the adsorption conveyance unit. 昇降手段によって昇降駆動されるシート材収容部内のシート材積層束のうち、上面が押さえ部材で押さえ付けられた最上層シート材を取り出してシート材搬送部に移すためのシート材取り出し供給方法であって、
前記最上層シート材の高さを前記押さえ部材に連結された検出手段によって検出して前記昇降手段によって前記最上層シート材を所定高さに位置させ、この状態で前記シート材積層束のシート材間にエアを吹き込んで前記最上層シート材を下層のシート材から分離し、該エアの吹き込みによって浮遊する前記最上層シート材を吸着搬送手段によって吸着した後、前記押さえ部材と下層の前記シート材との間から引き抜いて前記シート材搬送部に移す一方、前記最上層シート材の高さを検出する際には、前記エアの吹き込みを停止した状態で予め前記昇降手段によって前記シート材積層束を上下させることを特徴とするシート材取り出し供給方法。This is a sheet material take-out and supply method for taking out the uppermost sheet material whose upper surface is pressed by the pressing member from the sheet material stack in the sheet material container that is driven up and down by the raising and lowering means, and transferring it to the sheet material conveying unit. And
The height of the uppermost sheet material is detected by detection means connected to the pressing member, and the uppermost sheet material is positioned at a predetermined height by the lifting means, and in this state, the sheet material of the sheet material stack Air is blown in between to separate the uppermost layer sheet material from the lower layer sheet material, and the uppermost sheet material floating by the air blowing is adsorbed by an adsorption conveying means, and then the pressing member and the lower layer sheet material When the height of the uppermost sheet material is detected, the sheet material stack is previously held by the elevating means in a state where the air blowing is stopped. A sheet material take-out and supply method, wherein the sheet material is moved up and down.
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