JP2004203525A - Deviated supply preventive roller of film feeding mechanism and film deviated supply preventive mechanism for bag making device - Google Patents

Deviated supply preventive roller of film feeding mechanism and film deviated supply preventive mechanism for bag making device Download PDF

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Publication number
JP2004203525A
JP2004203525A JP2002372660A JP2002372660A JP2004203525A JP 2004203525 A JP2004203525 A JP 2004203525A JP 2002372660 A JP2002372660 A JP 2002372660A JP 2002372660 A JP2002372660 A JP 2002372660A JP 2004203525 A JP2004203525 A JP 2004203525A
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Prior art keywords
film
roller
bag making
bag
supply
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JP2002372660A
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Japanese (ja)
Inventor
Takahiro Hoshino
孝寛 星野
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Solvex Co
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Solvex Co
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a feeding mechanism preventing a transported film from deviated running relative to a feed roll without using a means to cause a drop in the bag making efficiency and/or the takeup efficiency such as lowering the film transporting speed or giving an extra-tension to the transported film. <P>SOLUTION: The film feeding mechanism is equipped with a set part 1 for a film 2 wound in a roll, a roller part to support and guide the feed of the film 2 paid off from the set part 1 to the next mechanism such as a bag making mechanism 5 or a takeup mechanism, and a processing mechanism as the next process to make a bag from or take up the film 2 transported via the roller part. A roller 4 used in the supporting and guiding roller part is formed approximately in an hourglass shape. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、主として包装材として用いられるロール状に巻取られた長尺の柔軟な帯状フィルム(以下、単にフィルムという)を、そのロールを解きながら連続的に繰出し、このようにして送られる2枚のフィルムを重ねるか、或は、1枚のフィルムをその送り方向で二つ折りし、底部,側部などをヒートシールして袋状の容器に連続形成するとき、順次形成される前記の各容器に液状などの収容物を充填して当該各容器の天部をヒートシールするようにした充填製袋装置、或は、前記製袋装置などが具備するフィルム送り機構において、前記フィルムを送り方向に関し偏位走行することなく搬送することを可能にしたフィルムの偏位供給を防止する機構に関する。
【0002】
【従来の技術】
従来、袋材に柔軟なフィルムを用い、内容物を自動的に充填しつつ自動製袋する充填製袋機や前記フィルムを使用した自動製袋機においては、ロール状に巻取ったフィルムをフィルム送り機構を介して製袋機構に連続的に供給し、封筒状などを呈する包装袋に自動製袋することが行われている。また、前記製袋機などにセットして用いるためのロール状フィルムを、ロール状に巻かれた原反フィルムから製袋機用に別途ロール状に巻取るために用いられるフィルム送り機構もある。
【0003】
しかし、ロール状に巻かれたフィルムは、そのフィルムの製造精度、特に厚みが不均一なことに起因して、ロールから繰出されてフィルム送り機構により走行させられているフィルムが送りロールに対し偏位し易く、これによりフィルムが次の加工機構である製袋機構部などに正確に送り込まれず、製袋不良が出易いという問題があった。この点は、製袋機以外のこの種の柔軟フィルムの送り機構においても、フィルムが偏位供給されて端正なロール状の巻取りが出来ないという問題があった。
【0004】
上記の問題に対しては、搬送するフィルムにより強い搬送テンションを掛けたり、フィルム送り速度を遅くするなどして偏位走行を抑制することが行われているが、このような手法では、偏位走行の発生が多少抑制できるに止まり、製袋効率や巻き取り効率の低下は避けられないという問題が残っていた。
【0005】
【発明が解決しようとする課題】
本発明は上記のような自動製袋機などにおけるフィルムの偏位走行に起因した製袋不良の発生、或は、これを抑制するために導入されたフィルム送り速度を低くすることやテンションを高くすることなどに起因した製袋効率や巻取り効率の低下に鑑み、フィルムの搬送速度を低下させたり、搬送フィルムに余分なテンションを掛けるなど、製袋効率や巻取り効率などの低下を招くような手法を使用しないで搬送フィルムの送りロールに対する偏位走行を生じない送り機構を提供することを、その課題とする。
【0006】
【課題を解決するための手段】
上記課題を解決することを目的としてなされた本発明のフィルム供給防止ローラの構成は、ロール状に巻取られたフィルムのセット部と、該セット部から製袋機構や巻取り機構などの次の機構へ向けて繰出される前記フィルムの送りを支持案内するローラ部と、該ローラ部を経由して搬送される前記フィルムを製袋したり巻取ったりする次の加工機構とを具備したフィルムの送り機構において、前記支持案内ローラ部に用いるローラをほぼ鼓形をなすローラにより形成したことを特徴とするものである。前記ローラは、フィルムの走行路が方向変換される位置に配設することが望ましい。
【0007】
また、上記ローラを用いた製袋機における偏位供給防止機構の構成は、ロール状に巻取られたフィルムのセット部と、該セット部から製袋機構に対して繰出される前記フィルムの送りを支持案内するローラ部と、該ローラ部を経由して搬送される前記フィルムを袋状にヒートシールする製袋部を具備した製袋機において、前記セット部と製袋部とを、前記ローラ部を介してフィルム走行路が方向変換されるように配設すると共に、少なくとも方向変換部のローラにほぼ鼓形をなすローラを配置したことを特徴とするものである。
【0008】
本発明偏位供給防止機構では、方向変換部の鼓形ローラの下方であって、搬送するフィルム幅の約2〜3倍程度の長さ位置に製袋部の始端を位置付けることにより、搬送フィルムに偏位が生じない段階でそのフィルムを製袋機構に供給することが可能になる。
【0009】
また、本発明偏位供給防止機構では、鼓形ローラとして、その外周面を平滑な面に形成したローラの外に、外周面にスパイラル状の溝を形成したもの,多段リング状に溝を形成したもの,或は,段階状乃至鋸歯状に溝を形成したものを用いることがある。
【0010】
【発明の実施の形態】
次に本発明の実施の形態例について、図を参照しつつ説明する。図1は本発明のフィルム偏位供給防止ローラを用いる偏位防止機構を適用した竪型の自動充填製袋機の要部を模式的に例示した側面図、図2は図1におけるロール状フィルムのセット部と方向変換ローラ部を示す平面図、図3〜図6は図1,図2の偏位防止機構に用いる本発明偏位供給防止ローラの第一例〜第四例の平面図である。
【0011】
図1,図2において、1はロール状に巻取られた製袋用のフィルムシート2(以下、フィルム2という)のセット部で、前記ロール状のフィルム2は、支持軸3によってこの製袋機におけるセット部1のオープン軸受(図示せず)に、着脱自在に支持される。
【0012】
4は前記セット部1から図1,図2の左方に略水平方向に沿って離隔した位置に配置した方向変換ローラを兼用した本発明偏位供給防止ローラで、このローラ4は、図2の平面図に略示するように大略鼓形に形成され、フィルム搬送時には常にこのローラ4の中心近傍に搬送されるフィルム2の中心が位置付けられるようになっている。なお、前記ローラ4の形態,機能などについては、図3〜図6により後に詳しく述べる。
【0013】
5は、上記ローラ4のほぼ直下に配設された製袋部を形成する製袋機構であり、ここでは搬送されて来る1枚のフィルム2を縦方向(送り方向)に沿って2つ折りする2つ折り部51と、この2つ折り部51で2つに折られたフィルム2の開放されている縦方向側辺をヒートシールする縦シールローラ52と、縦シールローラ52の下方にあって縦シールされて送られて来る筒状になったフィルム2の底と天をシールする横シールローラ53と、前記2つのローラ52,53の間に位置し、底はシールされているが未だ天が未シールの袋状に形成されたフィルム2に、液状体などの収容物を充填する充填ノズル54を具備して形成されている。
【0014】
本発明が適用できる製袋機には、上記の充填製袋機のほか、内容物の充填をしないで1枚フィルムを2つ折りして専ら製袋のみするタイプの製袋機、或は、2枚のフィルムを重ねて四周をヒートシールするタイプの製袋機がある。
【0015】
図1,図2により説明した製袋機では、セット部1のロール状フィルム2が送りローラ4を通った後に、製袋機構5に偏位することなく送り込まれる必要があるが、従来の製袋機では、前記ローラ4が均一外径の円柱状乃至円筒状ローラであったため、フィルム2の厚さムラなど起因して、当該フィルム2の走行中心がローラ4のセンターから偏位し易く、偏位したまま製袋機構5に搬入されると、製袋不良が出ることは先にも述べた通りである。
【0016】
そこで本発明では、前記ローラ4に図3〜図6に例示するローラの外観が大略鼓形をなす本発明偏位供給防止ローラ41〜44を用いることにより、送られるフィルム2が、これらのローラ41〜44においては偏位することなくセンターに保持され製袋機構5に真直に供給されるようにしたのである。以下に図3〜図6により鼓形の本発明ローラ41〜44について説明する。
【0017】
図3〜図6の各本発明ローラ41〜44は、各ローラの中心部の外径が最小で両外側(図3〜図6では上,下方向)に行くに従って外径が暫増するほぼ鼓形を呈する外観に形成されている。そして、図3のローラ41は外表面が平滑面41aに形成され、図4のローラ42は外表面が階段状面42aに形成され、図5のローラ43は外表面にリング状の溝を列設したリング状溝面43aに形成され、図6のローラ44は外表面にスパイラル状の溝を設けたスパイラル溝面44aに形成されている。
【0018】
上記の各鼓形の本発明ローラ41〜44は、フィルム2の送り方向の中心が当接する各ローラ41〜44の中心部が最小径部であり、かつ、そのフィルム2の送り方向の両外側端が当接する部位が、そのローラ41〜44の最大径部であるから、フィルム2の幅方向において送り方向に関して同一位置にある部位は、フィルム中心よりも両外側がローラの径差がある分、そのフィルム2に係るテンションが大きくなる。また、送られるフィルム2の両外側が当接している部位のローラ外周の周速は中心部位の周速より速く、かつ、両外側の周速は同一であることにより、送られるフィルム2には、このフィルム2をその中心から幅方向の両外側に略均等に引張る張力が作用する。
【0019】
従って、上記フィルム2は、製袋機構5に送り込まれる直前に、ローラ4(41〜44)によって走行方向がセット部1からの水平方向から垂直方向に変更され、かつ、この方向変更部においてローラ4(41〜44)の両外側において中心部より大きな張力がこのフィルム2に作用するので、当該フィルム2にはその中心から両外側に向う略均等な引張力が作用することによって、このフィルム2はローラ4(41〜44)の両外側のいずれの側にも偏位せずに当該フィルム2の中心がローラ4(41〜44)の中心を通りつつ製袋機構5に送り込まれることとなる。
【0020】
本発明では、図4〜図6に示すように、ローラ42〜44の外表面を階段状面42aや溝状面43a,44aに形成していることにより、送られるフィルム2の両外側の縁が階段状面42aや溝状面43a,44aの突出部位に当接した形で案内されるから、走行するフィルム2がこのローラ42〜44に対して偏位することは、更に少なくなる。以上の説明は、本発明ローラを図1,図2の自動製袋機に適用した例であるが、本発明ローラは、原反フィルムを適宜外径のロール状に巻取るためのフィルム送り機構などに適用しても、上記例と同等の効果が得られる。
【0021】
【発明の効果】
本発明は以上の通りであって、これを製袋機に適用した場合には、ロール状に巻取られたフィルムのセット部と、該セット部から製袋機構部に対して製袋機構部に対して繰出される前記フィルムの送りを支持案内するローラ部と、該ローラ部を経由して搬送される前記フィルムを袋状にヒートシールする製袋部を具備した製袋機において、前記セット部と製袋部とを、前記ローラ部を介してフィルム走行路が方向変換されるように配設すると共に、少なくとも方向変換部のローラにほぼ鼓形をなす本発明ローラを配置したことにより、製袋機のフィルムが偏位走行するのを未然に防止できるようにしたから、製袋不良を生じることなくフィルム製の袋を連続製袋できるという効果が得られる。
【0022】
また、本発明を製袋機以外の柔軟フィルムの送り機構に適用した場合も、本発明ロールの作用で、上記製袋機の場合と同様にフィルムを偏位させることなく次工程の機構に送り込むことができる。
【図面の簡単な説明】
【図1】本発明のフィルム偏位供給防止ローラを用いる偏位防止機構を適用した竪型の自動充填製袋機の要部を模式的に例示した側面図
【図2】図1におけるロール状フィルムのセット部と方向変換ローラ部を示す平面図
【図3】本発明偏位防止機構に用いる送り本発明ローラの第一例の平面図
【図4】本発明偏位防止機構に用いる送り本発明ローラの第二例の平面図
【図5】本発明偏位防止機構に用いる送り本発明ローラの第三例の平面図
【図6】本発明偏位防止機構に用いる送り本発明ローラの第四例の平面図
【符号の説明】
1 製袋用フィルムシートのセット部
2 ロール状のフィルム
3 支持軸
4,41〜44 方向変更ローラ
5 製袋機構
[0001]
TECHNICAL FIELD OF THE INVENTION
According to the present invention, a long flexible band-shaped film (hereinafter, simply referred to as a film) wound up in a roll shape, which is mainly used as a packaging material, is continuously unwound while unrolling the roll, and is fed in this manner. When one film is overlapped or one film is folded in two in the feed direction, and the bottom and sides are heat-sealed and continuously formed into a bag-shaped container, each of the above-mentioned sequentially formed films is formed. In a filling bag making device in which containers are filled with liquid or the like and heat sealing the top portion of each container, or in a film feeding mechanism provided in the bag making device or the like, the film is fed in a feeding direction. The present invention relates to a mechanism for preventing eccentric supply of a film, which can be conveyed without eccentric traveling.
[0002]
[Prior art]
Conventionally, using a flexible film for the bag material, in a filling bag making machine or an automatic bag making machine using the film, which automatically fills the contents while automatically filling the contents, the film wound into a roll is formed into a film. 2. Description of the Related Art Continuous feeding is performed to a bag making mechanism via a feeding mechanism, and automatic bag making is performed into a packaging bag having an envelope shape or the like. There is also a film feeding mechanism used to wind a roll-shaped film to be set in the bag making machine or the like from a rolled original film into a separate roll for a bag making machine.
[0003]
However, in the case of a film wound in a roll, the film being unwound from the roll and being run by the film feed mechanism is unbalanced with respect to the feed roll due to the manufacturing accuracy of the film, particularly due to the uneven thickness. As a result, there is a problem that the film is not accurately fed to the next processing mechanism, such as a bag-making mechanism, and a bag-making defect is likely to occur. This point has a problem that even in this kind of flexible film feeding mechanism other than the bag making machine, the film is eccentrically supplied and cannot be neatly rolled up.
[0004]
In order to solve the above-mentioned problem, it has been practiced to suppress the deviation running by applying a stronger transport tension to the film to be transported or reducing the film feeding speed. There remains a problem that the occurrence of running can be suppressed to some extent, and a reduction in bag making efficiency and winding efficiency cannot be avoided.
[0005]
[Problems to be solved by the invention]
In the present invention, the occurrence of bag-making failure due to the eccentric running of the film in an automatic bag-making machine or the like as described above, or to reduce the film feed speed introduced to suppress this and increase the tension. In consideration of the reduction in bag making efficiency and winding efficiency due to the occurrence of such problems, it is possible to reduce the bag making efficiency and winding efficiency such as reducing the film transport speed and applying extra tension to the transport film. It is an object of the present invention to provide a feed mechanism that does not cause the running deviation of a transport film with respect to a feed roll without using a simple method.
[0006]
[Means for Solving the Problems]
The configuration of the film supply prevention roller of the present invention made for the purpose of solving the above-mentioned problem includes a set portion of a film wound in a roll shape, and the following from a set portion such as a bag making mechanism or a winding mechanism. A roller unit that supports and guides the feeding of the film that is fed toward a mechanism, and a next processing mechanism that performs bag making or winding of the film that is conveyed via the roller unit. In the feed mechanism, a roller used for the support guide roller portion is formed by a roller having a substantially hourglass shape. It is desirable that the roller be disposed at a position where the direction of travel of the film is changed.
[0007]
Further, the configuration of the eccentric supply prevention mechanism in the bag making machine using the above-mentioned rollers includes a set portion of a film wound in a roll shape, and a feed of the film fed from the set portion to the bag making mechanism. In a bag making machine having a roller section for supporting and guiding the film, and a bag making section for heat-sealing the film conveyed through the roller section in a bag shape, the set section and the bag making section are formed by the roller The film running path is changed so that the direction of the film running path is changed through the section, and at least a roller having a substantially hourglass shape is arranged at least as a roller of the direction changing section.
[0008]
In the deviation supply prevention mechanism of the present invention, the starting point of the bag-making unit is positioned below the drum-shaped roller of the direction changing unit and at a length of about 2 to 3 times the width of the film to be conveyed. The film can be supplied to the bag making mechanism at a stage where no deviation occurs.
[0009]
In addition, in the deviation supply prevention mechanism of the present invention, as a drum-shaped roller, in addition to a roller having an outer peripheral surface formed into a smooth surface, a spiral groove is formed on the outer peripheral surface, and a multi-stage ring-shaped groove is formed. In some cases, a stepped or sawtooth-shaped groove is used.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a side view schematically illustrating a main part of a vertical type automatic filling and bag making machine to which a deviation prevention mechanism using a film deviation supply prevention roller of the present invention is applied, and FIG. 2 is a rolled film in FIG. FIGS. 3 to 6 are plan views of first to fourth examples of the eccentric supply prevention roller of the present invention used in the eccentricity prevention mechanism of FIGS. 1 and 2. is there.
[0011]
In FIGS. 1 and 2, reference numeral 1 denotes a set portion of a bag-making film sheet 2 (hereinafter, referred to as a film 2) wound in a roll shape, and the roll-shaped film 2 is formed by a support shaft 3. It is detachably supported by an open bearing (not shown) of the set unit 1 in the machine.
[0012]
Reference numeral 4 denotes a deflection supply preventing roller according to the present invention, which also serves as a direction changing roller disposed at a position substantially leftward of FIGS. 1 and 2 along the horizontal direction in FIG. As shown in the plan view, the center of the film 2 conveyed is always positioned near the center of the roller 4 when the film is conveyed. The form, function, and the like of the roller 4 will be described later in detail with reference to FIGS.
[0013]
Numeral 5 is a bag-making mechanism for forming a bag-making portion disposed almost immediately below the roller 4, and here, a single film 2 conveyed is folded in two in the vertical direction (feed direction). A two-fold part 51, a vertical seal roller 52 for heat-sealing the open vertical side of the film 2 folded in two at the two-fold part 51, and a vertical seal below the vertical seal roller 52 A horizontal seal roller 53 that seals the bottom and top of the cylindrical film 2 that is fed and sent, and is located between the two rollers 52 and 53, and the bottom is sealed but the top is not yet covered. The film 2 formed into a bag shape of a seal is provided with a filling nozzle 54 for filling a container such as a liquid material.
[0014]
Examples of the bag making machine to which the present invention can be applied include, in addition to the above-described filling bag making machine, a bag making machine of a type in which a single film is folded in half without filling the contents and only the bag making is performed, or There is a bag making machine of a type in which a plurality of films are stacked and heat-sealed on four sides.
[0015]
In the bag making machine described with reference to FIGS. 1 and 2, it is necessary that the roll-shaped film 2 of the setting section 1 be fed to the bag making mechanism 5 without being shifted after passing through the feed roller 4. In the bag machine, since the roller 4 is a cylindrical or cylindrical roller having a uniform outer diameter, the running center of the film 2 tends to be deviated from the center of the roller 4 due to the thickness unevenness of the film 2 and the like. As described above, if the sheet is carried into the bag making mechanism 5 while being displaced, a bag making failure occurs.
[0016]
Therefore, in the present invention, the film 2 to be fed can be formed by using the deviation supply preventing rollers 41 to 44 of the present invention in which the appearance of the rollers illustrated in FIGS. In 41 to 44, the bag is held at the center without deviation and supplied straight to the bag making mechanism 5. The drum-shaped rollers 41 to 44 of the present invention will be described below with reference to FIGS.
[0017]
Each of the rollers 41 to 44 of the present invention shown in FIGS. 3 to 6 has a minimum outer diameter at the center of each roller, and the outer diameter gradually increases toward both outer sides (up and down directions in FIGS. 3 to 6). It is formed in a drum-shaped appearance. The outer surface of the roller 41 of FIG. 3 is formed on the smooth surface 41a, the outer surface of the roller 42 of FIG. 4 is formed on the stepped surface 42a, and the roller 43 of FIG. The roller 44 shown in FIG. 6 is formed on a spiral groove surface 44a having a spiral groove on the outer surface.
[0018]
Each of the drum-shaped rollers 41 to 44 of the present invention has a minimum diameter portion at the center of each of the rollers 41 to 44 with which the center of the film 2 in the feeding direction abuts, and both outer sides of the film 2 in the feeding direction. Since the portion where the end abuts is the maximum diameter portion of the rollers 41 to 44, the portion located at the same position in the feed direction in the width direction of the film 2 has a difference in roller diameter on both outer sides from the center of the film. Thus, the tension of the film 2 increases. Further, the peripheral speed of the outer periphery of the roller at the portion where both outer sides of the film 2 to be contacted is higher than the peripheral speed of the central portion, and the peripheral speed at both outer sides is the same. A tension acts to pull the film 2 substantially evenly from its center to both outer sides in the width direction.
[0019]
Therefore, the running direction of the film 2 is changed from the horizontal direction from the setting unit 1 to the vertical direction by the rollers 4 (41 to 44) immediately before being fed into the bag making mechanism 5, and the rollers are changed in the direction changing unit. 4 (41-44), a tension greater than the central portion acts on the film 2 on both sides thereof, so that the film 2 is subjected to substantially uniform tensile force from the center toward both sides, thereby causing the film 2 Is sent to the bag making mechanism 5 while the center of the film 2 passes through the center of the rollers 4 (41 to 44) without being displaced on either side of the rollers 4 (41 to 44). .
[0020]
In the present invention, as shown in FIGS. 4 to 6, the outer surfaces of the rollers 42 to 44 are formed on the stepped surface 42a and the grooved surfaces 43a and 44a, so that the outer edges of the film 2 to be fed are formed. Is guided in contact with the projecting portions of the stepped surface 42a and the grooved surfaces 43a and 44a, so that the running film 2 is less likely to be displaced with respect to the rollers 42 to 44. The above description is an example in which the roller of the present invention is applied to the automatic bag making machine shown in FIGS. 1 and 2. The roller of the present invention is a film feed mechanism for winding a raw film into a roll having an appropriate outer diameter. The same effects as those of the above example can be obtained even if the present invention is applied.
[0021]
【The invention's effect】
The present invention is as described above. When the present invention is applied to a bag making machine, a set portion of a film wound in a roll shape, and a bag making mechanism portion from the set portion to a bag making mechanism portion. A roller unit that supports and guides the feeding of the film that is fed out to a bag making machine that has a bag making unit that heat seals the film conveyed via the roller unit into a bag shape. The part and the bag-making part are arranged so that the direction of the film running path is changed through the roller part, and at least the roller of the direction change part is provided with the substantially drum-shaped roller of the present invention, Since it is possible to prevent the film of the bag making machine from running eccentrically, an effect is obtained that a film bag can be continuously made without causing a bag making defect.
[0022]
Also, when the present invention is applied to a flexible film feeding mechanism other than the bag making machine, the film is fed to the mechanism of the next step without displacing the film by the action of the roll of the present invention similarly to the case of the above bag making machine. be able to.
[Brief description of the drawings]
FIG. 1 is a side view schematically illustrating an essential part of a vertical type automatic filling and bag making machine to which a deviation prevention mechanism using a film deviation supply prevention roller of the present invention is applied. FIG. FIG. 3 is a plan view showing a film setting portion and a direction changing roller portion. FIG. 3 is a plan view of a first example of a roller of the present invention used for a deviation preventing mechanism. FIG. FIG. 5 is a plan view of a second example of the invention roller. FIG. 5 is a plan view of a third example of the present invention roller used for the deviation prevention mechanism of the present invention. Plan view of four examples [Explanation of reference numerals]
DESCRIPTION OF SYMBOLS 1 Set part of film sheet for bag making 2 Roll-shaped film 3 Support shaft 4, 41-44 Direction change roller 5 Bag making mechanism

Claims (6)

ロール状に巻取られたフィルムのセット部と、該セット部から製袋機構や巻取り機構などの次の機構へ向けて繰出される前記フィルムの送りを支持案内するローラ部と、該ローラ部を経由して搬送される前記フィルムを製袋したり巻取ったりする次の加工機構とを具備したフィルムの送り機構において、前記支持案内ローラ部に用いるローラをほぼ鼓形をなすローラにより形成したことを特徴とするフィルム送り機構における偏位供給防止ローラ。A set portion for a film wound in a roll shape, a roller portion for supporting and guiding the feeding of the film unreeled from the set portion to a next mechanism such as a bag making mechanism or a winding mechanism; and the roller portion. In the film feeding mechanism having the following processing mechanism for making or winding the film conveyed via the above, the roller used for the support guide roller portion is formed by a roller having a substantially hourglass shape An offset supply prevention roller in a film feeding mechanism, characterized in that: 偏位供給防止ローラは、フィルムの走行路が水平方向から垂直方向に、又は、前記とは逆に方向変換される位置に配設した請求項1のローラ。The roller according to claim 1, wherein the deflecting supply preventing roller is disposed at a position where the running path of the film is changed from a horizontal direction to a vertical direction or reversely. 鼓形ローラは、外周面にスパイラル状の溝を形成したもの,多段リング状に溝を形成したもの,或は,段階状乃至鋸歯状に溝を形成したもののいずれかを用いた請求項1又は2のローラ。2. The drum-shaped roller according to claim 1, wherein the outer peripheral surface is formed with a spiral groove, a multi-stage ring-shaped groove, or a stepped or sawtooth-shaped groove. Two rollers. ロール状に巻取られたフィルムのセット部と、該セット部から製袋機構に対して繰出される前記フィルムの送りを支持案内するローラ部と、該ローラ部を経由して搬送される前記フィルムを袋状にヒートシールする製袋部を具備した製袋機において、前記セット部と製袋部とを、前記ローラ部を介してフィルム走行路が方向変換されるように配設すると共に、少なくとも方向変換部のローラにほぼ鼓形をなすローラを配置したことを特徴とする製袋装置におけるフィルムの偏位供給防止機構。A set portion of a film wound in a roll, a roller portion that supports and guides the feeding of the film that is fed from the set portion to a bag making mechanism, and the film that is conveyed via the roller portion In a bag making machine equipped with a bag making section for heat-sealing a bag, the set section and the bag making section are arranged so that the direction of the film running path is changed via the roller section, and at least A mechanism for preventing eccentric supply of a film in a bag-making apparatus, characterized in that a roller having a substantially hourglass shape is arranged on a roller of the direction changing section. 方向変換部の鼓形ローラの下方であって、搬送するフィルム幅の約2〜3倍程度の長さ位置に製袋機構の始端を位置付けた請求項3の製袋装置におけるフィルムの偏位供給防止機構。4. The eccentric feeding of the film in the bag making apparatus according to claim 3, wherein the starting end of the bag making mechanism is located at a position below the drum-shaped roller of the direction changing section and about 2 to 3 times the width of the film to be conveyed. Prevention mechanism. 鼓形ローラは、外周面にスパイラル状の溝を形成したもの,多段リング状に溝を形成したもの,或は,段階状乃至鋸歯状に溝を形成したもののいずれかを用いた請求項4又は5の製袋装置におけるフィルムの偏位供給防止機構。5. The drum-shaped roller according to claim 4, wherein the outer peripheral surface is formed with a spiral groove, a multi-stage ring-shaped groove, or a step-shaped or saw-tooth-shaped groove. 5. A mechanism for preventing eccentric supply of film in the bag making apparatus of 5.
JP2002372660A 2002-12-24 2002-12-24 Deviated supply preventive roller of film feeding mechanism and film deviated supply preventive mechanism for bag making device Withdrawn JP2004203525A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700764A (en) * 2012-06-23 2012-10-03 常德烟草机械有限责任公司 High-speed unreeling device for thin film intermittent feed and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700764A (en) * 2012-06-23 2012-10-03 常德烟草机械有限责任公司 High-speed unreeling device for thin film intermittent feed and control method

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