JP3885132B2 - Mouth mounting device - Google Patents

Mouth mounting device Download PDF

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Publication number
JP3885132B2
JP3885132B2 JP09726897A JP9726897A JP3885132B2 JP 3885132 B2 JP3885132 B2 JP 3885132B2 JP 09726897 A JP09726897 A JP 09726897A JP 9726897 A JP9726897 A JP 9726897A JP 3885132 B2 JP3885132 B2 JP 3885132B2
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Japan
Prior art keywords
blank
spout
plug
holder
station
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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JP09726897A
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Japanese (ja)
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JPH10286894A (en
Inventor
和生 阿部
徹 宮島
道雄 植田
敏明 野村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shikoku Kakoki Co Ltd
Toppan Inc
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Shikoku Kakoki Co Ltd
Toppan Inc
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Priority to JP09726897A priority Critical patent/JP3885132B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow
    • B29C66/53246—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers
    • B29C66/53247—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers said spouts comprising flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Making Paper Articles (AREA)

Description

【０００１】
【発明の属する技術分野】
この発明は、液体充填カートンを製造するための角筒状ブランクにあけられた注出口にフランジ付口栓を取付ける口栓取付装置に関する。
【０００２】
【従来の技術】
この種の装置としては、例えば、特開昭６２−２７１７３３号公報に開示されているように、角筒状ブランクを水平姿勢に保持する４つの放射状ホルダを有し、ホルダが第１〜第４ステーションを順次経由して移動させられるように駆動されるターレットと、ブランクをその注出口を下向きにした水平姿勢で第１ステーションのホルダに保持させるローダと、口栓を第２ステーションのホルダに保持されたブランクの注出口にその内側から挿入する口栓供給装置と、第３ステーションのブランクの注出口に挿入された口栓のフランジを注出口内縁部にシールするシール装置と、第４ステーションのホルダからこれに保持されたブランクを排出するアンローダとを備えているものが知られている。
【０００３】
【発明が解決しようとする課題】
上記装置では、第２ステーションにおいて、ホルダに保持されているブランクの注出口は右を向いており、この状態で注出口に口栓が挿入される。この後に、ホルダが第２ステーションから第３ステーションに移動すると、注出口は上向きになる。この移動の際に、注出口への口栓挿入が不十分であると、注出口から口栓が抜け落ちる恐れがある。
【０００４】
この発明の目的は、上記問題点を解決し、ブランクの注出口から口栓が抜け落ちる心配の無い口栓取付装置を提供することにある。
【０００５】
【課題を解決するための手段】
この発明による口栓取付装置は、角筒状ブランクにあけられた注出口にフランジ付口栓を取付ける装置であって、ブランクを水平姿勢に保持するホルダを有しかつ第１〜第４ステーションを順次経由して上向きにのびた搬送経路を有するブランク搬送バーチカルコンベヤと、ブランクをその注出口を下向きにした水平姿勢で第１ステーションのホルダに保持させるローダと、口栓を第２ステーションのホルダに保持されたブランクの注出口にその内側から挿入する口栓供給装置と、第３ステーションのホルダに保持されたブランクの注出口に挿入された口栓のフランジを注出口内縁部にシールするシール装置と、第４ステーションのホルダからこれに保持されたブランクを排出するアンローダとを備えているものである。
【０００６】
この発明による口栓取付装置では、第２ステーションにおいて、注出口を下向きにしてホルダに供給されたブランクは、第３ステーションに移動させられても、注出口の向きは下のままである。したがって、注出口への口栓挿入が不十分であったとしても、注出口から口栓が抜け落ちる心配が無い。
【０００７】
【発明の実施の形態】
この発明の実施の形態を図面を参照してつぎに説明する。
【０００８】
以下の説明において、前後とは、図１を基準として、図１の左側を前、これと反対側を後といい、左右とは、前方より見て、その左右の側を左右というものとする。
【０００９】
図５を参照すると、ブランク11は、内外両面に熱可塑性樹脂層を有する紙主体積層体によって角筒状に形成されたもので、胴部構成部12およびこれの上端にスコア線13を介して連なる頂部構成部14を有している。胴部構成部12の下端に連なる底部構成部は、図５において、省略されている。頂部構成部14には円形状注出口15があけられている。
【００１０】
口栓16は、ヒートシール可能なポリエチレンのような熱可塑性樹脂により、注出口15に密にはめ入れられる円筒状に形成されたもので、基端にフランジ17を有している。
【００１１】
ブランク11の内側から注出口15に口栓16が挿入されて注出口15の内縁部にフランジ17が係合され、注出口15の内縁部とフランジ17がヒートシールされることにより、ブランクへ11の口栓16の取付が果たされる。
【００１２】
口栓取付装置は、図１に示すように、ブランク搬送バーチカルコンベヤ21を有している。
【００１３】
バーチカルコンベヤ21は、前後方向に水平にのびた左右一対の間欠駆動上駆動軸22と、これらの直下にそれぞれ平行に配されている左右一対の下従動軸23と、左右の両駆動軸22にそれぞれ１つずつ固定されている前後で対をなす前後一対ずつの左右の駆動スプロケット24と、左右の両従動軸23にそれぞれ１つずつ固定されている前後で対をなす前後一対ずつの左右の従動スプロケット25と、前後で対をなす駆動スプロケット24および従動スプロケット25にそれぞれ巻き掛けられている左右一対のエンドレスチェーン26とを備えている。
【００１４】
図２を参照すると、チェーン26には、ブランク11を長さ方向に移動自在に保持するホルダ27が取付けられている。ホルダ27は、左右のチェーン26に１つずつ固定された横断面Ｌ字状水平片28によって構成されている。図２において、左側のチェーン26は、反時計方向に駆動され、右側のチェーン26は時計方向に駆動される。左右のチェーン26の相対する上向き移動経路において、左右のチェーン26の水平片28がブランク11の一方の対角線上の角にあてがわれることにより、ブランク11がホルダ27長さ方向に移動自在に保持される。
【００１５】
図１において、ホルダ27は、最下位の第１処理ステーションＳ1 、その１つ上位の第２処理ステーションＳ2 、そこから３つのアイドルステーションをおいて、第３処理ステーションＳ3 、第４処理ステーションＳ4 および第５処理ステーションＳ5 に順次停止させられる。
【００１６】
第１処理ステーションＳ1 にはブランク供給装置31およびローダ32が、第２処理ステーションＳ2 には口栓供給装置33が、第３処理ステーションＳ3 には口栓シール装置34が、第４処理ステーションＳ4 にはブランク排出用メインアンローダ35が、第５処理ステーションＳ5 には不良ブランク排出用サブアンローダ36がそれぞれ配置されている。
【００１７】
ブランク供給装置31は、角筒状に開きうるように偏平に折畳まれている多数のブランク11を積重ね状に収容しているマガジン41と、マガジン41からブランク11を１つずつ角筒状に開きながら取出すピッカ42と、取出されたブランク11を角筒状のまま移動自在に保持する一対のガイドレール43とを備えている。
【００１８】
マガジン41は、前斜め下向きの取出口44を有している。取出口44のブランク11は、注出口15を形成した側の面を下に向けている。ガイドレール43は、コンベヤ21のホルダ27と同様に、ブランク11の一方の対角線上の角にあてがわれる。第１処理ステーションＳ1 で停止させられているコンベヤ21のホルダ27に保持されたブランク11と、ガイドレール43に保持されたブランク11の軸線は一直線状となる。
【００１９】
ローダ32は、ロッドレスシリンダ51によって構成されている。ロッドレスシリンダ51は、第１処理ステーションＳ1 で停止させられているコンベヤ21のホルダ27の側方からガイドレール43の側方にかけて配置されているチューブ52と、これにそって移動させられる作動子53と、作動子53に起伏自在に設けられている係合爪54とを備えている。
【００２０】
作動子53が前進するときは係合爪54は起こされ、作動子53が後退するときは係合爪54は伏せられる。作動子53が前進させられることにより、ガイドレール43に保持されたブランク11が係合爪54に前向きに押動されて第１処理ステーションＳ1 で停止させられているコンベヤ21のホルダ27に押し込まれる。
【００２１】
口栓供給装置33は、図３に詳しく示すように、第２処理ステーションＳ2 で停止させらているホルダ27に保持されているブランク11をまたいで前後動しうるように配置されている門形状スライダ61と、スライダ61に左右相対するように取付けられかつピストンロッドにバキュームカップ62を取付けた左右一対の流体圧シリンダ63と、同ブランク11の前方に同ブランク11の下面とほぼ同レベルに配置されている水平板状ブランク受け64と、図示しないパーツフィーダからのびてきて、下端がブランク受け64の前方に達している口栓シュート65と、ブランク受け64と口栓シュート65の下端の間に配置されている垂直昇降ロッド66と、昇降ロッド66にこれとともに昇降しかつ昇降ロッド66に対し回転自在にはめられている昇降筒67と、昇降筒67から互いに反対方向にのびかつ先端に下向きバキュームカップ68を有する一対の口栓搬送アーム69とを備えている。
【００２２】
スライダ61には、前後方向にのびた左右一対の水平進退ロッド71が連結されている。進退ロッド71は、図示しない手段によって進退させられる。ブランク受け64には後方開放Ｕ字状口栓挿入切欠72が形成されている。昇降ロッド66は、図示しない手段によって昇降させられる。口栓搬送アーム69は、図示しない手段によって１８０度ずつ可逆回転させられる。
【００２３】
口栓搬送アーム69の一方は、後向きで、その他方は前向きで待機させられている。後向きの口栓搬送アーム69の先端のバキュムカップ68はブランク受け64の上方に位置させられかつ口栓16を吸着している。前向きの口栓搬送アーム69の先端のバキュムカップ68はシュート65の下端上方に位置させられかつ口栓16は吸着していない。
【００２４】
第２処理ステーションＳ2 にブランク11が搬入されると、流体圧シリンダ63のピストンロッドが突出させられ、同ブランク11を左右両側からバキュームカップ62が吸着する。スライダ61が前進させられ、ブランク11はホルダ27から引出されて、その頂部構成部14が前向きの口栓搬送アーム69の先端を囲むようにして注出口15の周辺部がブランク受け64によって受けられる。同口栓搬送アーム69の先端のバキュームカップ68によって吸着されている口栓16は注出口15の真上に位置させられる。そこで、昇降ロッド66が下降されられると、同バキュームカップ68によって吸着されている口栓16は注出口15に挿入され、同バキュームカップ68の吸着は解除される。一方、前向きの口栓搬送アーム69の先端のバキュームカップ68は、シュート65内の最先端の口栓16を吸着する。そうすると、昇降ロッド66が上昇させられる。スライダ61が後退させられると、ブランク11は基の位置まで戻され、ホルダ27に保持される、流体圧シリンダ63のピストンロッドは退入させられる。そして、コンベヤ21が１ピッチ駆動され、ブランク11は第２処理ステーションＳ2 から搬出される。口栓搬送アーム69は１８０度回転させられ、待機状態となる。
【００２５】
口栓シール装置34は、図４に詳しく示すように、第３処理ステーションＳ3 で停止させらているホルダ27に保持されているブランク11をまたいで前後動しうるように配置されている門形状スライダ81と、スライダ81に左右相対するように取付けられかつピストンロッドにバキュームカップ82を取付けた左右一対の流体圧シリンダ83と、同ブランク11の前方に配置されかつブランク頂部構成部14の内周面と合致する外周面を有する直方体状アンビル84と、口栓16を取り囲みうる大きさの上向きコーン85を有し、コーン85がアンビル84の下面に対し接近・離隔しうるように昇降自在に配置されている超音波発信機86とを備えている。
【００２６】
第３処理ステーションＳ3 にブランク11が搬入されると、流体圧シリンダ83が作動させられ、同ブランク11をバキュームカップ82が吸着すると、スライダ81が前進させられる。ブランク11はホルダ27から引出されて、その頂部構成部14がアンビル84にはめ被せられる。そうすると、超音波発信機86が上昇させられ、そのコーン85の先端部がブランク11の注出口15の縁部に押圧される。これにより、口栓16のフランジ17が注出口15の内縁部にシールされる。口栓16のシールが完了すると、スライダ81が後退してブランク11はホルダ27に戻される。
【００２７】
再び、図１を参照すると、メインアンローダ35は、ローダ32と同様に、ロッドレスシリンダ91によって構成されている。ロッドレスシリンダ91は、第４処理ステーションＳ4 で停止させられているコンベヤ21のホルダ27の側方からその前方にかけて配置されているチューブ92と、これにそって移動させられる複数の作動子93と、各作動子93に起伏自在に設けられている係合爪94とを備えている。
【００２８】
ローダ32と同様に、ブランク11は係合爪94によって前向きに押動されることにより、ホルダ27から排出される。同ホルダ27の前方には、排出されたブランク11を受ける水平ガイドレール95が設けられている。ガイドレール95によってブランク95は、図示しないブランクボトム成形装置に送られる。ブランクボトム成形装置は、放射状マンドレルを有するロータを備えている。マンドレルにブランクをはめ被せたロータが回転する間に、ブランクの底部構成部が閉じられて平坦に成形され、有底角筒状カートンが得られる。その後、カートンは、内容物を充填し、頂部構成部を切妻屋根形に折畳まれて密封されることにより、最終的製品となる。
【００２９】
サブアンローダ36は、ローダ32およびメインアンローダ35と同様に、ロッドレスシリンダ101 によって構成されている。ロッドレスシリンダ101 は、第５処理ステーションＳ5 で停止させられたホルダ27の側方からその後方にかけて配置されているチューブ102 、作動子103 および係合爪104 を備えている。
【００３０】
ブランク11に口栓16が取付けられていないことを図示しないセンサが検出すると、センサの検出信号に基づいて、メインアンローダ35の作動が停止される。そうすると、ブランク11は、第４処理ステーションＳ4 から排出されないで第５処理ステーションＳ5 に送り込まれる。ブランク11が第５処理ステーションＳ5 に搬入されると、サブアンローダ36が作動させられ、第５処理ステーションＳ5 において、ホルダ27からブランク11が後向きに排出される。排出されたブランク11は回収トレー105 に受けられる。
【００３１】
【発明の効果】
この発明によれば、ブランクの注出口に口栓を取付ける際に、ブランクの注出口から口栓が抜け落ちる心配の無い口栓取付装置を提供する。
【図面の簡単な説明】
【図１】この発明による口栓取付装置の側面図である。
【図２】図１のIIーII線にそう拡大断面図である。
【図３】同装置の口栓供給装置の斜視図である。
【図４】同装置の口栓シール装置の斜視図である。
【図５】同装置によって取付けられるブランクおよび口栓の斜視図である。
【符号の説明】
11 ブランク
15 注出口
16 口栓
17 フランジ
21 コンベヤ
27 ホルダ
32 ローダ
33 口栓供給装置
34 口栓シール装置
35 アンローダ
Ｓ 処理ステーション[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a spigot attachment device for attaching a spigot with a flange to a spout opened in a rectangular tube blank for producing a liquid-filled carton.
[0002]
[Prior art]
As this type of apparatus, for example, as disclosed in Japanese Patent Application Laid-Open No. Sho 62-271733, it has four radial holders for holding a square cylindrical blank in a horizontal position, and the holders are first to fourth. A turret that is driven so that it can be moved sequentially through the station, a loader that holds the blank in a horizontal position with its spout facing downward, and a holder that holds the plug in the holder of the second station A plug supply device that is inserted into the blank spout from the inside, a sealing device that seals the flange of the plug inserted in the blank spout of the third station to the inner edge of the spout, and a fourth station What is provided with the unloader which discharges | emits the blank hold | maintained at this from the holder is known.
[0003]
[Problems to be solved by the invention]
In the said apparatus, in the 2nd station, the spout of the blank currently hold | maintained at the holder is facing the right, and a plug is inserted in a spout in this state. After this, when the holder moves from the second station to the third station, the spout is directed upward. If the plug is not sufficiently inserted into the spout during this movement, the spigot may fall out of the spout.
[0004]
An object of the present invention is to solve the above-described problems and provide a plug attachment device that does not cause the plug to fall out of a blank spout.
[0005]
[Means for Solving the Problems]
The plug attachment device according to the present invention is a device for attaching a flanged plug to a spout formed in a rectangular tube blank, having a holder for holding the blank in a horizontal posture, and including first to fourth stations. A blank transfer vertical conveyor with a transfer path extending upwards in sequence, a loader that holds the blank in a horizontal posture with its spout facing downward, and a plug held in the holder of the second station A plug supply device that inserts into the blank spout from the inside, and a sealing device that seals the flange of the plug inserted into the blank spout held by the holder of the third station to the inner edge of the spout And an unloader for discharging the blank held by the holder of the fourth station.
[0006]
In the spigot attachment device according to the present invention, the blank supplied to the holder with the spout facing downward in the second station remains in the downward direction even if it is moved to the third station. Therefore, even if the plug is not sufficiently inserted into the spout, there is no fear that the spout will fall out from the spout.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0008]
In the following description, front and rear refer to FIG. 1 as a reference, the left side of FIG. 1 refers to the front, the opposite side refers to the rear, and the left and right refers to the left and right sides when viewed from the front. .
[0009]
Referring to FIG. 5, the blank 11 is formed in a rectangular tube shape by a paper-based laminated body having thermoplastic resin layers on both the inner and outer sides, and a body part 12 and an upper end of the blank part 11 via a score line 13. It has a continuous top part 14. In FIG. 5, the bottom component portion that is connected to the lower end of the trunk portion component portion 12 is omitted. A circular spout 15 is opened in the top component 14.
[0010]
The spigot 16 is made of a thermoplastic resin such as heat-sealable polyethylene such as a cylinder that can be tightly fitted into the spout 15 and has a flange 17 at the proximal end.
[0011]
A plug 16 is inserted into the spout 15 from the inside of the blank 11, the flange 17 is engaged with the inner edge of the spout 15, and the inner edge of the spout 15 and the flange 17 are heat-sealed. The plug 16 is attached.
[0012]
As shown in FIG. 1, the plug attachment device has a blank transfer vertical conveyor 21.
[0013]
The vertical conveyor 21 has a pair of left and right intermittent drive upper drive shafts 22 extending horizontally in the front-rear direction, a pair of left and right lower driven shafts 23 arranged in parallel directly below them, and both left and right drive shafts 22 respectively. A pair of front and rear drive sprockets 24 that make a pair before and after being fixed one by one, and a pair of front and rear left and right followers that are fixed to the left and right driven shafts 23 respectively. A sprocket 25 and a pair of left and right endless chains 26 respectively wound around a driving sprocket 24 and a driven sprocket 25 that are paired in the front and rear are provided.
[0014]
Referring to FIG. 2, a holder 27 that holds the blank 11 movably in the length direction is attached to the chain 26. The holder 27 is constituted by a horizontal piece 28 having an L-shaped cross section fixed to the left and right chains 26 one by one. In FIG. 2, the left chain 26 is driven counterclockwise, and the right chain 26 is driven clockwise. In the upward movement path of the left and right chains 26 facing each other, the horizontal piece 28 of the left and right chains 26 is applied to one diagonal corner of the blank 11, so that the blank 11 is held movably in the length direction of the holder 27. Is done.
[0015]
In FIG. 1, the holder 27 has a first processing station S1 at the lowest level, a second processing station S2 that is one level higher than it, and three idle stations therefrom, and a third processing station S3, a fourth processing station S4 and The fifth processing station S5 is sequentially stopped.
[0016]
A blank supply device 31 and a loader 32 are provided in the first processing station S1, a plug supply device 33 is provided in the second processing station S2, a plug sealing device 34 is provided in the third processing station S3, and a fourth processing station S4 is provided. A main unloader 35 for blank discharge is disposed, and a sub-unloader 36 for defective blank discharge is disposed in the fifth processing station S5.
[0017]
The blank supply device 31 includes a magazine 41 that houses a large number of blanks 11 that are folded flat so that they can be opened in a rectangular tube shape, and a blank tube 11 from the magazine 41 one by one in a rectangular tube shape. A picker 42 that is taken out while being opened and a pair of guide rails 43 that hold the taken-out blank 11 in a rectangular tube shape so as to be movable are provided.
[0018]
The magazine 41 has a front outlet 44 that is inclined obliquely downward. The blank 11 of the outlet 44 has the surface on the side where the spout 15 is formed facing downward. The guide rail 43 is applied to one diagonal corner of the blank 11 in the same manner as the holder 27 of the conveyor 21. The axis of the blank 11 held by the holder 27 of the conveyor 21 stopped at the first processing station S1 and the axis of the blank 11 held by the guide rail 43 are in a straight line.
[0019]
The loader 32 includes a rodless cylinder 51. The rodless cylinder 51 includes a tube 52 disposed from the side of the holder 27 of the conveyor 21 that is stopped at the first processing station S1 to the side of the guide rail 43, and an actuator that is moved along the tube 52. 53 and an engaging claw 54 provided on the operating element 53 so as to be freely raised and lowered.
[0020]
When the operating element 53 moves forward, the engaging claw 54 is raised, and when the operating element 53 moves backward, the engaging claw 54 is lowered. As the operator 53 is advanced, the blank 11 held by the guide rail 43 is pushed forward by the engaging claw 54 and pushed into the holder 27 of the conveyor 21 stopped at the first processing station S1. .
[0021]
As shown in detail in FIG. 3, the plug supply device 33 has a gate shape arranged so as to be able to move back and forth across the blank 11 held by the holder 27 stopped at the second processing station S2. Slider 61 and a pair of left and right fluid pressure cylinders 63 attached to slider 61 so as to be opposite to the left and right and having vacuum cup 62 attached to the piston rod, are arranged in front of blank 11 at the same level as the lower surface of blank 11. The horizontal plate-shaped blank receiver 64, a plug chute 65 extending from a parts feeder (not shown) and having a lower end reaching the front of the blank receiver 64, and between the blank receiver 64 and the lower end of the plug chute 65 A vertical lifting rod 66 arranged, a lifting cylinder 67 which is lifted and lowered together with the lifting rod 66 and is rotatably attached to the lifting rod 66, and directions opposite to each other from the lifting cylinder 67 A pair of spigot transfer arms 69 having a vacuum cup 68 extending at the front and downward is provided.
[0022]
A pair of left and right horizontal advance / retreat rods 71 extending in the front-rear direction are connected to the slider 61. The advance / retreat rod 71 is advanced / retracted by means not shown. The blank receiver 64 is formed with a rear open U-shaped plug insertion cutout 72. The elevating rod 66 is raised and lowered by means not shown. The spout transfer arm 69 is reversibly rotated by 180 degrees by means (not shown).
[0023]
One end of the spout transfer arm 69 is kept in a rear-facing direction and the other is kept in a forward-facing direction. The vacuum cup 68 at the tip of the backward-facing plug conveying arm 69 is positioned above the blank receiver 64 and adsorbs the plug 16. The vacuum cup 68 at the tip of the forward-facing mouthpiece transport arm 69 is positioned above the lower end of the chute 65 and the mouthpiece 16 is not adsorbed.
[0024]
When the blank 11 is carried into the second processing station S2, the piston rod of the fluid pressure cylinder 63 is protruded, and the vacuum cup 62 is adsorbed to the blank 11 from both the left and right sides. The slider 61 is moved forward, the blank 11 is pulled out from the holder 27, and the peripheral portion of the spout 15 is received by the blank receiver 64 so that the top constituting portion 14 surrounds the front end of the forward plug conveying arm 69. The plug 16 adsorbed by the vacuum cup 68 at the tip of the plug conveying arm 69 is positioned directly above the spout 15. Therefore, when the elevating rod 66 is lowered, the plug 16 adsorbed by the vacuum cup 68 is inserted into the spout 15 and the adsorption of the vacuum cup 68 is released. On the other hand, the vacuum cup 68 at the tip of the forward-facing plug conveying arm 69 adsorbs the most advanced plug 16 in the chute 65. Then, the lifting rod 66 is raised. When the slider 61 is retracted, the blank 11 is returned to the original position, and the piston rod of the fluid pressure cylinder 63 held by the holder 27 is retracted. The conveyor 21 is driven by one pitch, and the blank 11 is unloaded from the second processing station S2. The spout transfer arm 69 is rotated 180 degrees and enters a standby state.
[0025]
As shown in detail in FIG. 4, the plug sealing device 34 has a gate shape arranged so as to be able to move back and forth across the blank 11 held by the holder 27 stopped at the third processing station S3. Slider 81, a pair of left and right fluid pressure cylinders 83 attached to slider 81 so as to be opposed to the left and right and having vacuum cup 82 attached to the piston rod, and the inner circumference of blank top portion 14 disposed in front of blank 11 It has a rectangular parallelepiped anvil 84 with an outer peripheral surface that matches the surface, and an upward cone 85 that is large enough to surround the spigot 16, and can be raised and lowered so that the cone 85 can approach and separate from the lower surface of the anvil 84 And an ultrasonic transmitter 86.
[0026]
When the blank 11 is carried into the third processing station S3, the fluid pressure cylinder 83 is actuated, and when the vacuum cup 82 adsorbs the blank 11, the slider 81 is advanced. The blank 11 is pulled out from the holder 27, and the top component portion 14 is put on the anvil 84. Then, the ultrasonic transmitter 86 is raised, and the tip of the cone 85 is pressed against the edge of the spout 15 of the blank 11. As a result, the flange 17 of the plug 16 is sealed to the inner edge of the spout 15. When the sealing of the plug 16 is completed, the slider 81 is retracted and the blank 11 is returned to the holder 27.
[0027]
Referring again to FIG. 1, the main unloader 35 is constituted by a rodless cylinder 91 as with the loader 32. The rodless cylinder 91 includes a tube 92 disposed from the side of the holder 27 of the conveyor 21 stopped at the fourth processing station S4 to the front thereof, and a plurality of actuators 93 moved along the tube 92. The actuator 93 is provided with an engaging claw 94 that can be raised and lowered.
[0028]
Similar to the loader 32, the blank 11 is ejected from the holder 27 by being pushed forward by the engaging claw 94. In front of the holder 27, a horizontal guide rail 95 for receiving the discharged blank 11 is provided. The blank 95 is sent by a guide rail 95 to a blank bottom forming apparatus (not shown). The blank bottom forming apparatus includes a rotor having a radial mandrel. While the rotor with the blank placed on the mandrel rotates, the bottom component of the blank is closed and formed flat, and a bottomed rectangular tubular carton is obtained. The carton is then filled with the contents, and the top component is folded into a gable roof and sealed to become the final product.
[0029]
Similar to the loader 32 and the main unloader 35, the sub-unloader 36 is composed of a rodless cylinder 101. The rodless cylinder 101 includes a tube 102, an actuator 103, and an engaging claw 104 arranged from the side of the holder 27 stopped at the fifth processing station S5 to the rear thereof.
[0030]
When a sensor (not shown) detects that the plug 16 is not attached to the blank 11, the operation of the main unloader 35 is stopped based on the detection signal of the sensor. Then, the blank 11 is sent to the fifth processing station S5 without being discharged from the fourth processing station S4. When the blank 11 is carried into the fifth processing station S5, the sub-unloader 36 is operated, and the blank 11 is discharged backward from the holder 27 at the fifth processing station S5. The discharged blank 11 is received by the collection tray 105.
[0031]
【The invention's effect】
According to this invention, when attaching a plug to a blank spout, there is provided a spigot attachment device that does not cause the plug to fall out of the blank spout.
[Brief description of the drawings]
FIG. 1 is a side view of a plug attachment device according to the present invention.
FIG. 2 is an enlarged cross-sectional view taken along line II-II in FIG.
FIG. 3 is a perspective view of the plug supply device of the apparatus.
FIG. 4 is a perspective view of the plug sealing device of the same device.
FIG. 5 is a perspective view of a blank and a plug attached by the same device.
[Explanation of symbols]
11 Blank
15 Outlet
16 plugs
17 Flange
21 Conveyor
27 Holder
32 Loader
33 Plug supply device
34 Mouth seal device
35 Unloader S processing station

Claims (1)

角筒状ブランクにあけられた注出口にフランジ付口栓を取付ける装置であって、
ブランクを水平姿勢に保持するホルダを有しかつ第１〜第４ステーションを順次経由して上向きにのびた搬送経路を有するブランク搬送バーチカルコンベヤと、
ブランク供給装置によって第１ステーションのホルダの軸線延長線上に注出口を下向きにした水平姿勢で供給された角筒状ブランクをそのままの姿勢で同ホルダに保持させるローダと、
口栓を第２ステーションのホルダに保持されたブランクの注出口にその内側から挿入する口栓供給装置と、
第３ステーションのホルダに保持されたブランクの注出口に挿入された口栓のフランジを注出口内縁部にシールするシール装置と、
第４ステーションのホルダからこれに保持されたブランクを排出するアンローダと、
を備えている口栓取付装置。A device for attaching a flanged plug to a spout opened in a rectangular tube blank,
A blank transport vertical conveyor having a holder for holding the blank in a horizontal position and having a transport path extending upward through the first to fourth stations sequentially,
A loader for holding the rectangular cylindrical blank supplied in the horizontal posture with the spout facing downward on the axis extension line of the holder of the first station by the blank supply device in the same posture ;
A plug supply device for inserting the plug from the inside into a blank spout held by the holder of the second station;
A sealing device that seals the flange of the plug inserted into the blank spout held by the holder of the third station to the inner edge of the spout;
An unloader for discharging the blank held in the holder of the fourth station;
A spigot attachment device comprising:
JP09726897A 1997-04-15 1997-04-15 Mouth mounting device Expired - Fee Related JP3885132B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP09726897A JP3885132B2 (en) 1997-04-15 1997-04-15 Mouth mounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09726897A JP3885132B2 (en) 1997-04-15 1997-04-15 Mouth mounting device

Publications (2)

Publication Number Publication Date
JPH10286894A JPH10286894A (en) 1998-10-27
JP3885132B2 true JP3885132B2 (en) 2007-02-21

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US8104250B2 (en) 2004-11-16 2012-01-31 Elopak Systems Ag Apparatus for use in and method of attachiing cap-form fitments to containers
GB0525979D0 (en) * 2005-12-21 2006-02-01 Elopak Systems Improvements in or relating to packaging
EP1803648B1 (en) * 2005-12-29 2009-03-11 Tetra Laval Holdings & Finance SA Sequencing unit for opening devices to be glued to sealed packages of pourable food products
JP5112770B2 (en) * 2007-07-23 2013-01-09 株式会社フジシールインターナショナル Spout mounting device

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