JP3527070B2 - 充填包装機のシール装置 - Google Patents

充填包装機のシール装置

Info

Publication number
JP3527070B2
JP3527070B2 JP17891897A JP17891897A JP3527070B2 JP 3527070 B2 JP3527070 B2 JP 3527070B2 JP 17891897 A JP17891897 A JP 17891897A JP 17891897 A JP17891897 A JP 17891897A JP 3527070 B2 JP3527070 B2 JP 3527070B2
Authority
JP
Japan
Prior art keywords
heat bar
tube film
bar
heat
seal base
Prior art date
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
Application number
JP17891897A
Other languages
English (en)
Other versions
JPH1111434A (ja
Inventor
辿 菅
Original Assignee
茨木精機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 茨木精機株式会社 filed Critical 茨木精機株式会社
Priority to JP17891897A priority Critical patent/JP3527070B2/ja
Publication of JPH1111434A publication Critical patent/JPH1111434A/ja
Application granted granted Critical
Publication of JP3527070B2 publication Critical patent/JP3527070B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B29C66/344—Stretching or tensioning the joint area during joining
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/348—Avoiding melting or weakening of the zone directly next to the joint area, e.g. by cooling
    • 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
    • B29C66/349—Cooling the welding zone on the welding spot
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81815—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the clamps
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
    • B29C66/82263—Follower pin or roller cooperating with 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • 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
    • B29C66/81411—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81422—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
    • 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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • B29C66/83513—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums cooperating jaws mounted on rollers, cylinders or drums and moving in a closed path

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Basic Packing Technique (AREA)
  • Package Closures (AREA)

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、水平方向の移送軌
道を縦列かつ等間隔で次々と搬送される被包装物の回り
で、該被包装物と同速で移動する帯状フイルムを暫時筒
状に丸めてチューブ化する一方、前記チューブフイルム
の上下でそれぞれブロックモーションで作用しながら前
記被包装物間で前記チューブフイルムを扁平に挟圧溶着
するシール装置に関する。
【０００２】
【従来の技術】図６に示すごとく一般に、被包装物１を
縦列等間隔に収容したチューブフイルム２の水平移送軌
道３の上下で、ヒートバー４とシール台５とをそれぞれ
長円軌道６に沿ってブロックモーションさせ、ヒートバ
ーに埋設したヒータ７の熱によって、各被包装物の間で
チューブフイルム２を扁平に挟圧溶着する装置は公知で
ある。
【０００３】
【発明が解決しょうとする課題】しかし前記装置では、
ヒートバー４のブロックモーショによってフイルム２に
充分な時間、熱と圧力とを加えているが、フイルム２が
溶融状態のままヒートバー４とシール台５とが圧力を解
放するので、フイルム溶融部が分離しやすい欠点があつ
た。
【０００４】またヒートバー４からヒータ７を除去し、
バー４とシール台５とがチューブフイルム２を挟圧する
たびに、バー４の下面に沿って設けたニクロム線にスン
パルス電流を印加したあと、シール台５の内部を流れる
水でフイルム溶融部を冷却するものがあるが、この種の
ものもインパルス電流を繰り返し印加し続けるとバー４
が徐々に高温になっていくので、短時間でフイルム溶融
部を固めのことができない欠点がある。
【０００５】
【課題を解決するための手段】本発明は短時間でフイル
ムを固めるために、チューブフイルムに等間隔収容した
各被包装物の間で上下から上部架材及び下部架材を接近
させ、前記上部架材下側のヒートバーと、前記下部架材
上側のシール台とで前記チューブフイルムを溶着する手
段であつて、前記ヒートバーを、上部架材に固定する上
部流体シリンダのピストンロッドに支持する一方、前記
チューブフイルムの移送方向に向け前記ヒートバー前後
に配置した一対の冷却ブロックの上端を、前記上部架材
にそれぞれ枢支する共に、該両冷却ブロックと前記ヒー
トバーとの間をパンタグラフリンクを介して連結し、通
常ヒートバー下面に被さる両冷却ブロックを、前記流体
シリンダによる両パンタグラフリンクを介したヒートバ
ーの下降運動でもって両側に開放するごとく構成する。
【０００６】
【作用】上下それぞれの長円軌道に沿って同調的に移動
する一対の平行な架材は、互いに上下に離れたあと、再
び接近する運動を繰り返し、互いに接近する一定時間の
間、上部架材に設けたヒートバーと、下部架材上のシー
ル台とはチューブフイルムを扁平化するので、このとき
上部架材上の上部流体シリンダによって前記ヒートバー
を前記シール台に押しつけることにより、前記チューブ
フイルムを挟圧かつ溶着することができる。
【０００７】なお、前記上部架設材にピンを介して枢支
し且つヒートバーの前後に設けた冷却用ブロックは、前
記ヒートバーに対してパンタグラフリンクを介して連結
しているので、上部流体シリンダによるヒートバーの下
降運動によって、自動的にヒートバーの下降域から開放
方向に退避しており、従ってチューブフイルムを挟圧す
るヒートバーを上部流体シリンダで引き上げる反動によ
り該両冷却用ブロックは互いに元の定位置に復帰するの
で、チューブフイルムの溶融部は両冷却用ブロック下端
の脱熱要素の接触でもって冷却される。
【０００８】冷却用ブロックによるフイルム溶融部の冷
却は、ヒートバーをフイルムから完全に引き離して行う
ものであり、従ってフイルム溶融部の冷却を短時間で確
実に行える。
【０００９】
【実施例】図１に示すごとく、被包装物１１を収容した
チューブフイルム１０の水平移送軌道１２を隔て、上部
架材１３と下部架材１４とがそれぞれ長円軌道に沿って
同調的に回転するように形成する。
【００１０】図２に示すように、上下それぞれの長円形
の溝１６に係合したピン１７をペラ１８の回転で前記溝
１６に沿って移動させることが可能であるから、これら
ピン１７を、図１の上下両架材１３，１４に連結するこ
とにより、両架材は長円軌道１５に沿って回転する。こ
の場合、上部架材１３から垂下したガイド棒５０に対し
て下部架材１４をスライド自在に係合しているから、上
下架材１３，１４は傾きなく長円軌道を回転する。
【００１１】図３に示すように上下架材１３，１４は横
方向に細長く互いに平行であり、図面は片方のみを図示
するが、その両端にそれぞれ突き出たピン１７は、それ
に被せたコロ１９が長円溝１６に係合し、同両架材１
３，１４はペラ１８の回転で溝１６に沿って動かすこと
ができる。また上部架材上に設けた上部流体シリンダ２
１のピストンロッド２２の下端に固定したヒートバー２
３は、下部架材１４に固定したシール台２４と対設し、
下部架材の下側の下部流体シリンダ２５のピストンロッ
ド２６の上端は、シール台内部の切断刃２７を支持す
る。
【００１２】図１において、チューブフイルムの移送軌
道１２に向けてヒートバー２３の前後にそれぞれ設けた
冷却用ブロック３１，３２は、上部に連接するアーム３
３，３４をピン３５，３６を介して上部架材１３に枢支
する一方、ヒートバー２３と前記両冷却用ブロック３
１，３２とを２枚の逆Ｖ字形のリンク３７，３８で連結
している。
【００１３】図５においてピストンロツド２２の軸方向
にヒートバー２３を押すと、ヒートバー２３とその前後
の冷却用ブロック３１，３２を結ぶリンク３７，３８は
パンタグラフのように前後に張り出すので、ピン３５，
３６でもって上部架材（図示省略）に枢支した１対の冷
却用バー３１，３２は前記ピン３５，３６を軸に左右に
開放する。これは図４に示す状態であり、１対の冷却用
ブロック３１，３２はヒートバー２３の下降を妨害しな
い区域に退避するので、チューブフイルム１０をヒート
バー２３とシール台との間で挟圧して溶着する。その直
後矢印４０とは逆方向にピストンロツド２２を吊り上げ
ると、両冷却用ブロックの湾曲させて形成した脱熱要素
４１，４２がフイルム溶着箇所に沿って接近（図１の状
態）し、冷却用ブロックに形成した通路内を流れる冷却
水のエネルギーによってフイルムを冷却する。
【００１４】図４に示すようにヒートバー２３の下面中
央には切断刃２７が突入するスリット４３を形成してい
るので、図１における下部流体シリンダ２５で切断刃２
７を押しあげてフイルム溶着部を切断することができ
る。
【図面の簡単な説明】
【図１】 側面図
【図２】 長円軌道の構成図
【図３】 図１におけるＩＩＩ−ＩＩＩ線断面図
【図４】 図１の部分作用図
【図５】 ヒートバー及び冷却用ブロックの平面図
【図６】 従来例の説明図
【符号の説明】
１０…‥チューブフイルム １１…‥被包装物 １２…
‥水平移動軌道 １３…‥上部架材 １４…‥下部架材
１５…‥長円軌道 ２１…‥上部流体シリンダ ２３
…‥ヒートバー ２４…‥シール台 ２５…‥下部流体
シリンダ ２７…‥切断刃 ３１，３２…‥冷却用ブロ
ック ３３，３４…‥アーム ３７，３８…‥パンタグ
ラフリンク ４１，４２…‥脱熱要素 ４３…‥スリッ
ト
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B65B 11/08 B65B 51/32 B65B 51/30 B65B 51/10

Claims (3)

    (57)【特許請求の範囲】
  1. 【請求項１】 チューブフイルムに等間隔収容した各被
    包装物の間で上下から上部架材及び下部架材を接近さ
    せ、前記上部架材下側のヒートバーと、前記下部架材上
    側のシール台とで前記チューブフイルムを溶着する手段
    であつて、前記ヒートバーを、上部架材に固定する上部
    流体シリンダのピストンロッドに支持する一方、前記チ
    ューブフイルムの移送方向に向け前記ヒートバー前後に
    配置した一対の冷却ブロックの上端を、前記上部架材に
    それぞれ枢支する共に、該両冷却ブロックと前記ヒート
    バーとの間をパンタグラフリンクを介して連結し、通常
    ヒートバー下面に被さる両冷却ブロックを、前記流体シ
    リンダによる両パンタグラフリンクを介したヒートバー
    の下降運動でもって両側に開放する装置。
  2. 【請求項２】 シール台中間に刃先を上向きに配置した
    切断刃と、下部架材下面に固定した下部流体シリンダか
    ら上向きに突き出すピストンロッドとを連結する一方、
    ヒートバー下面中間に、前記切断刃突入用スリットを形
    成する請求項１に記載の装置。
  3. 【請求項３】 ヒートバー及びシール台を支持する上下
    両架材をそれぞれ、チューブフイルムの移送軌道に沿っ
    て形成される長円軌道に沿って同調回転させ、これら長
    円軌道の一部領域でヒートバーと冷却ブロックとを順次
    チューブフイルムに接触させる請求項１及び２に記載の
    装置。
JP17891897A 1997-06-18 1997-06-18 充填包装機のシール装置 Expired - Fee Related JP3527070B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17891897A JP3527070B2 (ja) 1997-06-18 1997-06-18 充填包装機のシール装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17891897A JP3527070B2 (ja) 1997-06-18 1997-06-18 充填包装機のシール装置

Publications (2)

Publication Number Publication Date
JPH1111434A JPH1111434A (ja) 1999-01-19
JP3527070B2 true JP3527070B2 (ja) 2004-05-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20030905A1 (it) * 2003-11-14 2005-05-15 Opm S P A Gruppo per il confezionamento di prodotti, in particolare di prodotti alimentari.
DE102009002093A1 (de) * 2009-04-01 2010-10-07 Robert Bosch Gmbh Vorrichtung zum Schweißen und Trennen von Packstoffen
CN112193531B (zh) * 2020-10-13 2022-02-08 佛山市东粤得包装设备有限公司 一种食品包装封口装置
CN113619881B (zh) * 2021-08-13 2023-03-10 佛山松川珠冠智能装备有限公司 包装机用旋转刀封装置

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