JP2011162258A - Seal resin film winding apparatus for container with lid - Google Patents

Seal resin film winding apparatus for container with lid Download PDF

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JP2011162258A
JP2011162258A JP2010030643A JP2010030643A JP2011162258A JP 2011162258 A JP2011162258 A JP 2011162258A JP 2010030643 A JP2010030643 A JP 2010030643A JP 2010030643 A JP2010030643 A JP 2010030643A JP 2011162258 A JP2011162258 A JP 2011162258A
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resin film
sealing resin
container
fusing
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Yutaka Maruoka
豊 丸岡
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DAIICHI KORYU KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a seal resin film winding apparatus for a container having a lid that enables a thin seal resin film winding to be carried out so as to allow its manufacturing cost to be reduced and its working efficiency to be improved. <P>SOLUTION: There are provided transferring means 10 for performing an intermittent forwarding operation of a container 2 having a lid thereon while its position is being set, film melting-cutting and adhering means 20 having a heat melting-cutting blade and heat-melting adhering surfaces on both sides, a first forwarding-reversing mechanism 30 for forwarding or reversing the film melting-cutting and adhering means 20 at a crossing direction in its transferring direction, pinch rolls for holding and setting a film 6, film holding-setting and tension-applying means 40 having tension applying rolls for use in applying tension to the film, a second forwarding-reversing mechanism 50 for forwarding or reversing the film-holding and tension-applying means 40 at a crossing direction in its transferring direction, a pair of feeding-out reels 60 for feeding out the film 6 from the film winding body, and a direction changing system 70 for guiding the fed-out film 6 to the film holding-setting and tension-applying means 40. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、蓋付容器へのシール用樹脂フィルム巻回装置に係り、より詳しくは、蓋が外嵌されている蓋付容器の蓋および容器本体上端部の外周、または蓋が内嵌されている蓋付容器の容器本体上端部の外周にシール用樹脂フィルムを巻回する蓋付容器へのシール用樹脂フィルム巻回装置に関する。   The present invention relates to a sealing resin film winding device for a lidded container, and more specifically, a lid of a lidded container on which a lid is fitted and an outer periphery of a container body upper end, or a lid is fitted inside. The present invention relates to a sealing resin film winding device around a lidded container for winding a sealing resin film around an outer periphery of a container main body upper end of a lidded container.

従来、樹脂製の熱収縮性シートによって、天板部と、その周縁から垂下するスカート部とを有する形状のシュリンク蓋を成形し、このシュリンク蓋を開口部の周縁にフランジ部を有する容器に被せたのち、スカート部を熱収縮させてフランジ部の下部に巻き込ませて取付ける技術が提案されている(特許文献1)。   Conventionally, a shrink lid having a shape having a top plate portion and a skirt portion hanging from the periphery of the top plate portion is formed by a resin heat-shrinkable sheet, and the shrink lid is put on a container having a flange portion at the periphery of the opening. After that, a technique has been proposed in which the skirt portion is thermally shrunk and wound around the lower portion of the flange portion (Patent Document 1).

前記特許文献1に記載されているシュリンク蓋は、樹脂製の熱収縮性シートに、圧空成形、真空成形もしくはプレス成形などによって、天板部の周縁からスカート部が垂下した形状を付与したのち、輪郭形状に沿って打ち抜くことによって得られる。   The shrink lid described in Patent Document 1 is applied to the heat-shrinkable sheet made of resin by pressure forming, vacuum forming, press forming, or the like so that the skirt portion is suspended from the periphery of the top plate portion. It is obtained by punching along the contour shape.

一方、味噌などの食料品を封入した容器本体の上端開口部に蓋体を被せただけの状態で店頭に陳列して販売する形態が存在する。このような販売形態では、蓋体を開いて内部の商品を確認することが可能であるといった購入者にとって有利な点を有する反面、第三者の悪意により商品に異物を混入して施蓋されるおそれを有している。そこで、前記圧空成形、真空成形もしくはプレス成形などによって有段筒状のシール基体を成形し、このシール基体を蓋付容器の容器本体上端部の外周に外嵌し、適当な加熱手段によって前記シール基体を所定温度に加熱して熱収縮させることにより、蓋体の上面周縁部と外周面および容器本体における蓋体近傍の外周面などに密着させたシーリング状態で店頭に陳列して販売する形態であれば、購入者はシーリングが破られているか否かを確認し、シーリングが破られていなければ、容器本体に封入されている味噌などの食料品に異物が混入されておらず安全であると判断し、安心して購入することができるといえる。   On the other hand, there is a form in which the product is displayed and sold at a storefront in a state in which a lid is simply put on the upper end opening of a container body in which food such as miso is enclosed. In such a sales form, it has an advantage for the purchaser that it is possible to check the product inside by opening the lid, but on the other hand, the product is covered with foreign matter by the malicious intention of a third party. There is a risk. Therefore, a stepped cylindrical seal base is formed by the pressure forming, vacuum forming, press forming, or the like, and the seal base is fitted on the outer periphery of the upper end of the container body of the lidded container, and the seal is formed by an appropriate heating means. By heating and shrinking the base body to a predetermined temperature, it is displayed and sold at the storefront in a sealing state in which it is in close contact with the outer peripheral surface and outer peripheral surface of the lid and the outer peripheral surface of the container body near the lid. If there is, the purchaser checks whether the sealing is broken, and if the sealing is not broken, the food product such as miso enclosed in the container body is not contaminated and safe. It can be said that it can be judged and purchased with confidence.

すなわち、図27に示すように、厚さ40μm〜60μmの比較的厚肉の例えば単層または多層樹脂フィルムによって有段筒状のシール基体100を成形し、つぎに、図28に示すように、上端を開口101aした容器本体101と、この容器本体101の上端部に外嵌されて開口101aを着脱可能に塞ぐ蓋体102とを備えて、容器本体101の内部に食料品などの内容物(図示省略)を封入してなる樹脂製の蓋付容器103を用意して、該蓋付容器103にシール基体100を上から被嵌して仮止めしたのち、適当な加熱手段によってシール基体100を約100℃〜約190℃に加熱することにより、図29に示すように、シール基体100を熱収縮させて蓋体102の上面周縁部と外周面および容器本体101における蓋体102近傍の外周面などに密着させる。   That is, as shown in FIG. 27, a stepped cylindrical seal base 100 is formed from a relatively thick, for example, single layer or multilayer resin film having a thickness of 40 μm to 60 μm, and then, as shown in FIG. A container main body 101 having an upper end 101a and a lid 102 that is externally fitted to the upper end of the container main body 101 and detachably closes the opening 101a. (Not shown) is prepared, and a lid-made container 103 made of resin is prepared. After the sealing base 100 is fitted onto the lid-like container 103 from above and temporarily fixed, the sealing base 100 is attached by an appropriate heating means. By heating to about 100 ° C. to about 190 ° C., as shown in FIG. 29, the seal base 100 is thermally shrunk so that the upper surface peripheral portion and the outer peripheral surface of the lid 102 and the vicinity of the lid 102 in the container body 101 Adhere closely to the outer peripheral surface.

特開2002−337898号公報JP 2002-337898 A

ところが、前記特許文献1に記載の技術を適用した蓋付容器のシーリングでは、まず、有段筒状のシール基体100を成形するための圧空成形、真空成形もしくはプレス成形などの成形工程が必要であるとともに、シール基体100自体が比較的厚肉であるため、1シーリング当たりの材料費が高く付くことなどによって製造コストが高くなる。また、手作業あるいは自動化によって、蓋付容器103の上から前記シール基体100を適正に被せる被嵌工程を必要とするため作業効率が悪い。しかも、比較的厚肉のシール基体100は熱容量が大きいので所定温度(約100℃〜約190℃)に加熱されて熱収縮した後の温度降下率が低い。したがって、シール基体100の加熱温度が蓋付容器103に影響して、その蓋体102や容器本体101の被シーリング部位を熱変形させるおそれがあり、熱変形が生じると、蓋付容器103の使用時において、容器本体101に対する蓋体102の着脱が困難となるなどの問題点を有している。   However, in the sealing of a lidded container to which the technique described in Patent Document 1 is applied, first, a molding process such as pressure forming, vacuum forming, or press forming for forming the stepped cylindrical seal base 100 is required. In addition, since the seal base 100 itself is relatively thick, the manufacturing cost increases due to high material costs per sealing. Moreover, since the fitting process which covers the said sealing base | substrate 100 appropriately from the top of the container 103 with a lid | cover by manual work or automation is required, work efficiency is bad. Moreover, since the relatively thick seal base 100 has a large heat capacity, the temperature drop rate after being heated to a predetermined temperature (about 100 ° C. to about 190 ° C.) and thermally contracted is low. Accordingly, the heating temperature of the sealing base 100 may affect the lidded container 103, causing the lid 102 or the sealed portion of the container main body 101 to be thermally deformed. At times, there is a problem that it is difficult to attach and detach the lid 102 to the container body 101.

本発明は、このような問題を解決するものであって、その目的とするところは、製造コストを削減し、作業効率をよくするとともに、蓋付容器への熱的な影響を回避できる薄肉のシール用樹脂フィルムの巻回を実現できる蓋付容器へのシール用樹脂フィルム巻回装置を提供することにある。   The present invention solves such a problem, and the object of the present invention is to reduce the manufacturing cost, improve the work efficiency, and avoid the thermal influence on the lidded container. An object of the present invention is to provide an apparatus for winding a sealing resin film onto a lidded container capable of winding the sealing resin film.

前記目的を達成するために、本発明に係る蓋付容器へのシール用樹脂フィルム巻回装置は、 上端に開口部を設けた容器本体と該容器本体の上端部に嵌合されて前記開口部を着脱可能に塞ぐ蓋体とを備えた蓋付容器を、所定の高さで所定の間隔を隔てて位置決めして所定の移動量で搬送方向に搬送基準線に沿って間欠前進させる搬送手段と、
この搬送手段の搬送方向に交差し、かつ前記蓋付容器の上端部および上端面の上側近傍を含む高さ領域に対応して配置されるとともに、前記搬送基準線を含んで仮想水平面に直交して立ち上がる仮想立面を所定位置で両側から挟む挟着部を有し、該挟着部は搬送方向の中心部に熱溶断刃を備え、該熱溶断刃の搬送方向上流側と搬送方向下流側との両側に隣接する熱融着面を備えたシール用樹脂フィルム溶断・融着手段と、
このシール用樹脂フィルム溶断・融着手段を互いに前進させて熱溶断刃の互いの当接によりシール用樹脂フィルムを溶断し、かつ前記熱融着面の互いの接近によりシール用樹脂フィルムを融着させるとともに、シール用樹脂フィルム融着・溶断手段を互いに後退させて前記挟着部を前記蓋付容器の通過を許容する間隔を隔てて離間させる第1進退機構と、
前記シール用樹脂フィルム溶断・融着手段の前記搬送方向の上流側または上流側と下流側の双方のいずれかに接近して該搬送方向に交差し、かつ前記蓋付容器の上端部および上端面の上側近傍を含む高さ領域に対応して配置され、搬送方向の交差方向に互いに前進してシール用樹脂フィルムを前記仮想立面を挟んで挟着するピンチロールと、該ピンチロールと同じ高さ領域に対応して搬送方向に交差して配置されてシール用樹脂フィルムに張力を付与する少なくとも一対のテンション付与ロールとを備えたシール用樹脂フィルム挟着・張力付与手段と、
このシール用樹脂フィルム挟着・張力付与手段を互いに前進させてピンチロールでシール用樹脂フィルム挟着し、かつ前記テンション付与ロールでシール用樹脂フィルムに張力を付与するとともに、シール用樹脂フィルム挟着・張力付与手段を互いに後退させてピンチロールとテンション付与ロールとを前記蓋付容器の通過を許容する間隔を隔てて離間させる第2進退機構と、
前記熱溶断刃の搬送方向下流側に隣接する熱融着面で融着された一対のシール用樹脂フィルムの先端融着部を前記仮想立面に位置決めし、該先端融着部が前記搬送手段により所定の移動量で間欠前進する蓋付容器に押圧されるのに伴って、前記先端融着部に連続する一対のシール用樹脂フィルムが前記一対の繰り出しリールからテンションを付与されて繰り出されるように該一対のシール用樹脂フィルムを前記シール用樹脂フィルム挟着・張力付与手段に導く方向転換系と、
前記搬送手段を所定の移動量で間欠駆動する搬送手段の駆動源と、前記第1進退機構を進退させるシール用樹脂フィルム溶断・融着手段の駆動源および前記第2進退機構を進退させるシール用樹脂フィルム挟着・張力付与手段の駆動源の駆動を設定されている制御プログラムに基づいて電気的に制御する制御手段と、
を備えてなることを特徴としている。
In order to achieve the above object, a sealing resin film winding device for a container with a lid according to the present invention includes a container main body provided with an opening at the upper end and the upper end of the container main body so as to fit the opening. A transporting means for positioning a container with a lid having a lid that detachably closes at a predetermined height with a predetermined interval, and intermittently advancing along a transport reference line in a transport direction by a predetermined movement amount; ,
It is arranged corresponding to a height region that intersects the conveying direction of the conveying means and includes the upper end portion of the container with lid and the upper side of the upper end surface, and is orthogonal to the virtual horizontal plane including the conveying reference line. A sandwiching part that sandwiches a virtual elevation surface that rises from both sides at a predetermined position, the sandwiching part having a thermal cutting blade at the center in the transport direction, and upstream and downstream in the transport direction of the thermal cutting blade A sealing resin film fusing and fusing means having heat fusing surfaces adjacent to both sides, and
The sealing resin film fusing and fusing means are advanced to each other, and the sealing resin film is fused by the abutment of the hot fusing blades, and the sealing resin film is fused by the close contact of the heat fusing surfaces. And a first advancing / retreating mechanism for retreating the sealing resin film fusing and fusing means away from each other with a gap allowing the passage of the lidded container,
The sealing resin film fusing and fusing means approaches either the upstream side or both the upstream side and the downstream side in the transport direction and intersects the transport direction, and the upper end and the upper end surface of the lidded container A pinch roll which is arranged corresponding to a height region including the vicinity of the upper side of the sheet and advances in the crossing direction of the conveying direction to sandwich the sealing resin film with the virtual elevation face interposed therebetween, and the same height as the pinch roll A sealing resin film sandwiching / tensioning means provided with at least a pair of tension applying rolls arranged to cross the conveying direction corresponding to the thickness region and apply tension to the sealing resin film;
The sealing resin film sandwiching / tensioning means are moved forward to sandwich the sealing resin film with a pinch roll, and the tensioning roll applies tension to the sealing resin film, and the sealing resin film sandwiching A second advancing / retreating mechanism that retracts the tension applying means from each other and separates the pinch roll and the tension applying roll with an interval that allows passage of the lidded container;
The tip fusion part of a pair of sealing resin films fused on the heat fusion surface adjacent to the downstream side in the conveyance direction of the thermal cutting blade is positioned on the virtual elevation surface, and the tip fusion part is the conveyance means. As a result, the pair of sealing resin films continuous to the tip fusion part are fed out with tension applied from the pair of feeding reels as they are pressed against the lidded container that intermittently advances by a predetermined amount of movement. A direction changing system for guiding the pair of sealing resin films to the sealing resin film sandwiching / tensioning means;
A driving source for the conveying means for intermittently driving the conveying means with a predetermined amount of movement, a driving source for the sealing resin film fusing and fusing means for advancing / retreating the first advancing / retracting mechanism, and a seal for advancing / retreating the second advancing / retreating mechanism Control means for electrically controlling the driving of the drive source of the resin film clamping / tensioning means based on a set control program;
It is characterized by comprising.

これによれば、まず、第1進退機構によりシール用樹脂フィルム融着・溶断手段を互いに後退させて、挟着部を蓋付容器の通過を許容する間隔を隔てて離間させ、第2進退機構によりシール用樹脂フィルム挟着・張力付与手段を互いに後退させてピンチロールとテンション付与ロールとを蓋付容器の通過を許容する間隔を隔てて離間させて待機する。この待機状態で搬送手段により所定の移動量で蓋付容器を前進させると、蓋付容器における上端部の先端により一対のシール用樹脂フィルムの先端融着部が搬送方向に押圧され、この押圧に伴って一対のシール用樹脂フィルムは張力を付与されながら一対の繰り出しリールから繰り出される。   According to this, first, the sealing resin film fusion / melting means is moved backward by the first advancing / retracting mechanism, and the sandwiching portion is separated by an interval allowing passage of the lidded container. Thus, the sealing resin film sandwiching / tension applying means is moved backward from each other, and the pinch roll and the tension applying roll are separated from each other with an interval allowing passage of the lidded container, and wait. In this standby state, when the container with the lid is advanced by a predetermined amount of movement by the conveying means, the tip fusion part of the pair of sealing resin films is pressed in the conveying direction by the tip of the upper end of the container with the lid. Accordingly, the pair of sealing resin films are fed from the pair of feeding reels while being applied with tension.

蓋付容器の前進移動が所定量に達すると所定位置で蓋付容器は停止する。この時点では、一対のシール用樹脂フィルムは、張力を付与された状態で蓋付容器における上端部の前半分に巻回される。ここで、第2進退機構によりシール用樹脂フィルム挟着・張力付与手段を互いに前進させて、一対のピンチロールにより一対のシール用樹脂フィルムを挟着する。   When the forward movement of the lidded container reaches a predetermined amount, the lidded container stops at a predetermined position. At this time, the pair of sealing resin films are wound around the front half of the upper end of the lidded container in a state where tension is applied. Here, the sealing resin film sandwiching and tension applying means are advanced by the second advancing / retracting mechanism, and the pair of sealing resin films are sandwiched by the pair of pinch rolls.

この場合、シール用樹脂フィルム挟着・張力付与手段がシール用樹脂フィルム溶断・融着手段よりも蓋付容器の搬送方向上流側に配置されている構成では、一対のシール用樹脂フィルムは蓋付容器における上端部の前半分から一対のピンチロールに向けて張力を付与された状態で互いの対向間隔が縮小される。同時に第1進退機構によりシール用樹脂フィルム溶断・融着手段を互いに前進させて挟着部を互いに接近させると、一対のシール用樹脂フィルムは蓋付容器における上端部の前半分と後半分との境界と一対のピンチロールとの間で挟着部により挟着されて、該挟着部と前記境界との間の一対のシール用樹脂フィルムはさらに強い張力を付与されて弾性伸長した状態になる。   In this case, in the configuration in which the sealing resin film sandwiching / tensioning means is arranged upstream of the sealing resin film fusing / fusing means in the transport direction of the lidded container, the pair of sealing resin films has a lid. In the state where tension is applied from the front half of the upper end of the container toward the pair of pinch rolls, the distance between the opposing spaces is reduced. At the same time, when the sealing resin film fusing and fusing means are moved forward by the first advancing / retracting mechanism to bring the sandwiching portions closer to each other, the pair of sealing resin films are formed between the front half and the rear half of the upper end of the lidded container. The pair of sealing resin films between the boundary and the pair of pinch rolls are sandwiched between the boundary and the pair of pinch rolls, and the pair of sealing resin films between the boundary and the boundary are in a state of being elastically stretched by applying a stronger tension. .

挟着部によって挟着された一対のシール用樹脂フィルムは、搬送方向の中心位置が熱溶断刃によって溶断されるとともに、中心位置の搬送方向上下流両側は熱融着面の互いの接近により融着される。ここで、第1、第2進退機構によりシール用樹脂フィルム融着・溶断手段とシール用樹脂フィルム挟着・張力付与手段とが互いに後退する。   The pair of sealing resin films sandwiched by the sandwiching portions are melted by the thermal fusing blade at the center position in the transport direction, and the both sides of the center position in the transport direction are melted by the close contact of the heat-sealing surfaces. Worn. Here, the first and second advancing / retracting mechanisms cause the sealing resin film fusion / melting means and the sealing resin film clamping / tensioning means to retreat from each other.

これにより、搬送方向上下流両側での熱融着面同士の接近は解除されて、搬送方向下流側の熱融着面によって融着された後端融着部は、該後端融着部と前記境界との間の一対のシール用樹脂フィルムの弾性復帰により蓋付容器の後端位置まで変位して、蓋付容器における上端部の全周と該蓋付容器の上端面の上側近傍の全周とに巻回される。また、シール用樹脂フィルム挟着・張力付与手段が互いに後退することにより、搬送方向上流側の熱融着面によって融着された端融着部は、蓋付容器の上端部および上端面の上側近傍を含む高さ領域と仮想立面とに対応して位置決めされて待機する。以下は、前記の動作を反復することで、蓋付容器は、その上端部の全周と該蓋付容器の上端面の上側近傍の全周とに一対のシール用樹脂フィルムが巻回された状態で、搬送手段により間欠的に送り出される。   Thereby, the approach of the heat fusion surfaces on both the upstream and downstream sides in the transport direction is released, and the rear end fusion part fused by the heat fusion surface on the downstream side in the transport direction is the rear end fusion part. Displacement to the rear end position of the lidded container by elastic recovery of the pair of sealing resin films between the boundary and the entire circumference of the upper end portion of the lidded container and the upper side of the upper end surface of the lidded container. It is wound around. Further, when the sealing resin film sandwiching / tension applying means are moved backward, the end fusion part fused by the heat fusion surface upstream in the transport direction is located above the upper end part and the upper end face of the lidded container. It stands by corresponding to the height region including the vicinity and the virtual elevation surface. In the following, by repeating the above operation, the lidded container was wound with a pair of sealing resin films around the entire circumference of the upper end portion and the entire circumference near the upper side of the upper end surface of the lidded container. In the state, it is intermittently sent out by the conveying means.

一方、シール用樹脂フィルム溶断・融着手段の搬送方向の上流側と下流側の双方に接近してシール用樹脂フィルム挟着・張力付与手段が配置されている構成では、第1進退機構によりシール用樹脂フィルム融着・溶断手段を互いに後退させて、挟着部を蓋付容器の通過を許容する間隔を隔てて離間させ、第2進退機構によりシール用樹脂フィルム挟着・張力付与手段を互いに後退させて蓋付容器の通過を許容する間隔を隔てて離間させて待機する。この待機状態で搬送手段により所定の移動量で蓋付容器を前進させると、蓋付容器における上端部の先端により一対のシール用樹脂フィルムの先端融着部が搬送方向に押圧され、この押圧に伴って一対のシール用樹脂フィルムは張力を付与されながら一対の繰り出しリールから繰り出される。   On the other hand, in the configuration in which the sealing resin film clamping / tension applying means is disposed close to both the upstream side and the downstream side in the conveying direction of the sealing resin film fusing / fusing unit, the first advancing / retracting mechanism causes the sealing to be performed. The resin film fusing and fusing means are retracted from each other, and the sandwiching portions are separated by an interval allowing passage of the lidded container. Retreat and wait for a distance that allows passage of the lidded container. In this standby state, when the container with the lid is advanced by a predetermined amount of movement by the conveying means, the tip fusion part of the pair of sealing resin films is pressed in the conveying direction by the tip of the upper end of the container with the lid. Accordingly, the pair of sealing resin films are fed from the pair of feeding reels while being applied with tension.

蓋付容器の前進移動が所定量に達すると所定位置で蓋付容器は停止する。この時点では、一対のシール用樹脂フィルムは張力を付与された状態で蓋付容器における上端部の前半分に巻回される。ここで、ピンチロールのみを互いに前進させて、一対のシール用樹脂フィルムを挟着する。   When the forward movement of the lidded container reaches a predetermined amount, the lidded container stops at a predetermined position. At this time, the pair of sealing resin films are wound around the front half of the upper end of the lidded container in a state where tension is applied. Here, only the pinch rolls are moved forward to sandwich a pair of sealing resin films.

これにより、一対のシール用樹脂フィルムは蓋付容器における上端部の全周と該蓋付容器の上端面の上側近傍の全周とに巻回される。同時に、シール用樹脂フィルム溶断・融着手段の挟着部を互いに前進させてこれらを互いに接近させるとともに、シール用樹脂フィルム挟着・張力付与手段のテンション付与ロールを互いに前進させる。   As a result, the pair of sealing resin films are wound around the entire circumference of the upper end portion of the lidded container and the entire circumference in the vicinity of the upper side of the upper end surface of the lidded container. At the same time, the sandwiching portions of the sealing resin film fusing and fusing unit are moved forward to bring them closer to each other, and the tension applying rolls of the sealing resin film sandwiching and tension applying unit are moved forward.

挟着部によって挟着された一対のシール用樹脂フィルムは、搬送方向の中心位置が熱溶断刃によって溶断されるとともに、中心位置の搬送方向上下流両側は熱融着面の互いの接近により融着される。ここで、シール用樹脂フィルム融着・溶断手段の挟着部と、シール用樹脂フィルム挟着・張力付与手段のピンチロールとテンション付与ロールとを互いに後退させる。   The pair of sealing resin films sandwiched by the sandwiching portions are melted by the thermal fusing blade at the center position in the transport direction, and the both sides of the center position in the transport direction are melted by the close contact of the heat-sealing surfaces. Worn. Here, the sandwiching portion of the sealing resin film fusion / melting means and the pinch roll and the tension imparting roll of the sealing resin film sandwiching / tension applying means are retracted from each other.

これにより、搬送方向上下流両側での熱融着面同士の接近は解除されて、搬送方向下流側の熱融着面によって融着された後端融着部は、蓋付容器の後端位置まで変位して、蓋付容器における上端部の全周と該蓋付容器上端面の上側近傍の全周とに巻回される。また、シール用樹脂フィルム挟着・張力付与手段が互いに後退することにより、搬送方向上流側の熱融着面によって融着された先端融着部は、テンション付与ロールの間で蓋付容器の上端部および上端面の上側近傍を含む高さ領域と仮想立面とに対応して位置決めされて待機する。以下は、前記の動作を反復することで、蓋付容器は、その上端部の全周と該蓋付容器の上端面の上側近傍の全周とに一対のシール用樹脂フィルムが巻回された状態で、搬送手段により間欠的に送り出される。   Thereby, the approach of the heat fusion surfaces on both the upstream and downstream sides in the transport direction is released, and the rear end fusion part fused by the heat fusion surface on the downstream side in the transport direction is the rear end position of the lidded container. And is wound around the entire circumference of the upper end of the lidded container and the entire circumference in the vicinity of the upper side of the upper end surface of the lidded container. Further, the sealing resin film sandwiching / tension applying means retreats from each other, so that the front end fusion portion fused by the heat fusion surface on the upstream side in the conveying direction is located between the tension applying rolls and the upper end of the lidded container. It is positioned and waits corresponding to the height region including the vicinity of the upper side of the portion and the upper end surface and the virtual elevation surface. In the following, by repeating the above operation, the lidded container was wound with a pair of sealing resin films around the entire circumference of the upper end portion and the entire circumference near the upper side of the upper end surface of the lidded container. In the state, it is intermittently sent out by the conveying means.

本発明に係る蓋付容器へのシール用樹脂フィルム巻回装置は、前記搬送手段の下流側に、蓋付容器の上端部および上端面の上側近傍を含む高さ領域に対応して巻回されたシール用樹脂フィルムを加熱しながら搬送排出する下流側搬送手段を設けた加熱ゾーンを備えることが望ましい。これによると、上端部の全周と上端面の上側近傍の全周とに一対のシール用樹脂フィルムが巻回されて、搬送手段により送り出された蓋付容器が加熱ゾーンを通過する間に、一対のシール用樹脂フィルムを熱収縮させて、蓋付容器のシーリングを連続して実施することができるので作業効率がよくなる。   The sealing resin film winding device around the lidded container according to the present invention is wound on the downstream side of the conveying means corresponding to the height region including the upper end portion of the lidded container and the upper side of the upper end surface. It is desirable to provide a heating zone provided with downstream conveying means for conveying and discharging the sealing resin film while heating. According to this, a pair of sealing resin films are wound around the entire circumference of the upper end portion and the upper periphery of the upper end surface, and the lidded container sent out by the conveying means passes through the heating zone. Since the pair of sealing resin films can be heat-shrinked and the lidded container can be continuously sealed, the working efficiency is improved.

また、キャタピラ型の搬送手段により前記搬送手段と下流側搬送手段の双方を構成することが望ましい。これによると、簡単な構造により蓋付容器を所定の間隔を隔てて位置決め保持して間欠搬送することができる。   In addition, it is desirable that both the conveying means and the downstream conveying means are constituted by a caterpillar type conveying means. Accordingly, the lidded container can be positioned and held at a predetermined interval and transported intermittently with a simple structure.

本発明に係る蓋付容器へのシール用樹脂フィルム巻回装置によれば、シール用樹脂フィルムに対する成形工程が不要であることおよび肉薄のシール用樹脂フィルムの使用により1シーリング当たりの材料費が抑えられることによって、製造コストを削減できる。また、シール用樹脂フィルムを蓋付容器に被せる被嵌工程が不要であるから作業効率がよくなる。さらに、肉薄のシール用樹脂フィルムは熱容量が小さいので、所定温度に加熱されて熱収縮した後の温度降下率が高い。したがって、加熱されたシール用樹脂フィルムの蓋付容器に対する熱的な影響が回避されるので、その蓋体や容器本体の被シーリング部位が熱変形しなくなり、蓋付容器の使用時において、容器本体に対する蓋体の着脱を用意に行うことができる。   According to the sealing resin film winding device for a container with a lid according to the present invention, the molding process for the sealing resin film is unnecessary, and the material cost per sealing is suppressed by using a thin sealing resin film. Manufacturing cost can be reduced. Moreover, since the covering process which covers the resin film for sealing on the lidded container is unnecessary, the work efficiency is improved. Further, since the thin sealing resin film has a small heat capacity, the temperature drop rate after being heated to a predetermined temperature and thermally contracted is high. Therefore, since the thermal influence on the lidded container of the heated sealing resin film is avoided, the sealed portion of the lid body and the container body is not thermally deformed, and the container body is used when the lidded container is used. The lid can be easily attached and detached.

本発明に係る蓋付容器へのシール用樹脂フィルム巻回装置の一実施形態を示す正面図である。It is a front view which shows one Embodiment of the resin film winding apparatus for sealing to the container with a lid concerning this invention. 図1の平面図である。It is a top view of FIG. 図1のA−A線断面図である。It is the sectional view on the AA line of FIG. 図1のB−B線断面図である。It is the BB sectional view taken on the line of FIG. 図1のE−E線断面図である。It is the EE sectional view taken on the line of FIG. 図1のF−F線断面図である。It is the FF sectional view taken on the line of FIG. 図1の右側面図である。It is a right view of FIG. 図7のG−G線断面図である。It is the GG sectional view taken on the line of FIG. 搬送手段の一実施形態を示す拡大正面図である。It is an enlarged front view which shows one Embodiment of a conveyance means. 図9の平面図である。FIG. 10 is a plan view of FIG. 9. 図4のシール用樹脂フィルム溶断・融着手段の拡大図である。 である。FIG. 5 is an enlarged view of a sealing resin film fusing and fusing unit of FIG. 4. It is. 図11の拡大H−H矢視図である。It is an expanded HH arrow line view of FIG. 図3のシール用樹脂フィルム挟着・張力付与手段の拡大図である。FIG. 4 is an enlarged view of the sealing resin film clamping / tension applying means of FIG. 3. 図13の底面図である。FIG. 14 is a bottom view of FIG. 13. 一対の繰り出しリールにおける一方の繰り出しリールの拡大図である。It is an enlarged view of one feeding reel in a pair of feeding reels. 図15の平面図である。FIG. 16 is a plan view of FIG. 15. 制御手段と各駆動源との電気的な連繋構造の一実施形態を示すブロック図である。It is a block diagram which shows one Embodiment of the electrical connection structure of a control means and each drive source. シール用樹脂フィルム溶断・融着第1工程の一実施形態を示す概略平面図である。It is a schematic plan view which shows one Embodiment of the resin film fusing and melt | fusion 1st process for sealing. シール用樹脂フィルム溶断・融着第2工程の一実施形態を示す概略平面図である。It is a schematic plan view which shows one Embodiment of the resin film fusing and fusion | melting 2nd process for sealing. シール用樹脂フィルム溶断・融着最終工程の一実施形態を示す概略平面図である。It is a schematic plan view which shows one Embodiment of the resin film fusing and fusion | melting final process for a seal | sticker. シール用樹脂フィルム溶断・融着第1工程の他の実施形態を示す概略平面図である。It is a schematic plan view which shows other embodiment of the resin film fusing and melt | fusion 1st process for a seal | sticker. シール用樹脂フィルム溶断・融着第2工程の他の実施形態を示す概略平面図である。It is a schematic plan view which shows other embodiment of the resin film fusing and fusion | melting 2nd process for sealing. シール用樹脂フィルム溶断・融着第3工程の他の実施形態を示す概略平面図である。It is a schematic plan view which shows other embodiment of the resin film fusing and fusion | melting 3rd process for sealing. シール用樹脂フィルム溶断・融着最終工程の他の実施形態を示す概略平面図である。It is a schematic plan view which shows other embodiment of the resin film fusing and sealing | fusion final process for a seal | sticker. 搬送手段の第2実施形態を示す概略平面図である。It is a schematic plan view which shows 2nd Embodiment of a conveyance means. 搬送手段のさらに異なる実施形態を示す概略平面図である。It is a schematic plan view which shows further another embodiment of a conveyance means. 従来の樹脂フィルムの熱収縮による蓋付容器のシーリングに適用される有段筒状のシール基体の説明断面図である。It is explanatory drawing sectional drawing of the stepped cylindrical sealing base | substrate applied to sealing of the container with a lid | cover by the heat shrink of the conventional resin film. 蓋付容器にシール基体を上から被嵌して仮止めした状態の縦断面図である。It is a longitudinal cross-sectional view of a state in which a sealing base is fitted onto a lidded container from above and temporarily fixed. シール基体の熱収縮による蓋付容器のシーリングを示す縦断面図である。It is a longitudinal cross-sectional view which shows sealing of the container with a lid | cover by the heat shrink of a sealing base | substrate.

以下、本発明に係る蓋付容器へのシール用樹脂フィルム巻回装置を図面に基づいて説明する。図1は本発明に係る蓋付容器へのシール用樹脂フィルム巻回装置の一実施形態を示す正面図、図2は図1の平面図、図3は図1のA−A線断面図、図4は図1のB−B線断面図、図5は図1のE−E線断面図、図6は図1のF−F線断面図、図7は図1の右側面図、図8は図7のG−G線断面図、図9は搬送手段の一実施形態を示す拡大正面図、図10は図9の平面図、図11は図4のシール用樹脂フィルム溶断・融着手段の拡大図、図12は図11の拡大H−H矢視図、図13は図3のシール用樹脂フィルム挟着・張力付与手段の拡大図、図14は図13の底面図、図15は一対の繰り出しリールにおける一方の繰り出しリールの拡大図、図16は図15の平面図、図17は制御手段と各駆動源との電気的な連繋構造の一実施形態を示すブロック図である。   Hereinafter, the sealing resin film winding apparatus to the container with a lid concerning the present invention is explained based on a drawing. FIG. 1 is a front view showing an embodiment of a sealing resin film winding device on a lidded container according to the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a sectional view taken along line AA of FIG. 4 is a cross-sectional view taken along line BB in FIG. 1, FIG. 5 is a cross-sectional view taken along line EE in FIG. 1, FIG. 6 is a cross-sectional view taken along line FF in FIG. 8 is a sectional view taken along the line GG of FIG. 7, FIG. 9 is an enlarged front view showing an embodiment of the conveying means, FIG. 10 is a plan view of FIG. 9, and FIG. 12 is an enlarged view taken along the line HH in FIG. 11, FIG. 13 is an enlarged view of the sealing resin film clamping / tensioning means in FIG. 3, FIG. 14 is a bottom view of FIG. Is an enlarged view of one feeding reel of a pair of feeding reels, FIG. 16 is a plan view of FIG. 15, and FIG. 17 is a block diagram showing an embodiment of an electrical connection structure between the control means and each drive source. Tsu is a click view.

これらの図において、蓋付容器へのシール用樹脂フィルム巻回装置(以下の説明では、樹脂フィルム巻回装置という)1は、搬送手段10と、分割構造のシール用樹脂フィルム溶断・融着手段(以下の説明では、フィルム溶断・融着手段という)20と、第1進退機構30と、分割構造のシール用樹脂フィルム挟着・張力付与手段(以下の説明では、フィルム挟着・張力付与手段という)40と、第2進退機構50と、一対の繰り出しリール60,60と、シール用樹脂フィルム方向転換系70と、制御手段80とを備える。   In these figures, a sealing resin film winding device (hereinafter referred to as a resin film winding device) 1 on a lidded container 1 includes a conveying means 10 and a split-structure sealing resin film fusing and fusing means. (Hereinafter referred to as film fusing / fusing means) 20, first advance / retreat mechanism 30, split resin resin film clamping / tensioning means (in the following description, film clamping / tensioning means) 40), a second advance / retreat mechanism 50, a pair of feeding reels 60, 60, a sealing resin film direction changing system 70, and a control means 80.

搬送手段10は、図1,図2,図4,図8,図9,図10に示すように、蓋付容器2を、所定の高さhで所定の間隔lを隔てて位置決めして、該所定の間隔lに等しい所定の移動量lで搬送方向(矢印F1)に一直線にのびる搬送基準線11に沿って間欠前進させるためのもので、本実施形態では、搬送面10a上を搬送方向(矢印F)に移動可能な台車12を設け、この台車12を例えばプッシャ機構からなる駆動源13により前記移動量lに等しい所定のストロークで間欠前進させるように構成しているとともに、蓋付容器2は、台車12に設けた高さ調整板14上に載置した状態で、その上端部の近傍を前後両側から一対の位置決め挟着板15a,15bにより着脱可能に保持するとにより、搬送面10a上に所定の高さhを有し、かつ中心Oが搬送手段10の搬送基準線11に沿って間欠前進できるように位置決めされて台車12に搭載される。   As shown in FIGS. 1, 2, 4, 8, 9, and 10, the transport unit 10 positions the lidded container 2 at a predetermined height h with a predetermined interval l, This is for intermittent advancement along the conveyance reference line 11 extending in a straight line in the conveyance direction (arrow F1) by a predetermined movement amount l equal to the predetermined interval l. In this embodiment, the conveyance surface 10a is moved in the conveyance direction. A movable carriage 12 is provided at (arrow F), and the carriage 12 is intermittently advanced with a predetermined stroke equal to the movement amount l by a drive source 13 comprising, for example, a pusher mechanism, and a lidded container 2 is a state in which it is placed on a height adjustment plate 14 provided on the carriage 12, and the vicinity of the upper end thereof is detachably held by a pair of positioning sandwiching plates 15a and 15b from both the front and rear sides, thereby conveying the surface 10a. Has a predetermined height h above, or Center O is mounted on carriage 12 is positioned so as to be intermittently advanced along the conveying reference line 11 of the transfer means 10.

前記蓋付容器2は単層または多層シート樹脂の成形体からなり、四つの隅角部を円弧状にした投影平面形状が略正方形のもので、上端を開口した容器本体2aと、この容器本体2aの上端部に外嵌されて前記開口を着脱可能に塞ぐ蓋体2bとを備えており、容器本体2aの内部に味噌などの食料品(図示省略)を封入してある。   The container 2 with a lid is formed of a single-layer or multi-layer sheet resin molded body, and has a substantially square projection plane shape in which four corners are formed in an arc shape, and a container body 2a having an open upper end, and the container body A lid 2b that is externally fitted to the upper end of 2a and detachably closes the opening is provided, and a food product (not shown) such as miso is enclosed inside the container body 2a.

フィルム溶断・融着手段20は、後述するシール用の一対の樹脂フィルムを所定位置で加熱溶断するとともに、該加熱溶断箇所の両側を局部的に熱融着させるためのもので、図1,図2,図4,図11,図12に示すように、前記搬送手段10の搬送方向に直交して配置された一対の挟着部21,22を有する。各挟着部21,22は、前記蓋付容器2の上端部および上端面2cよりも少し上側近傍を含む高さ領域h1(図9参照)に対応して、搬送手段10の搬送基準線11を含んで仮想水平面3(図4参照)に直交して立ち上がる仮想立面4(図2,図4参照)を所定位置で両側から互いに対向して挟むことができる。挟着部21は搬送方向(矢印F1)の中心部に熱溶断刃21aを、挟着部22は搬送方向(矢印F1)の中心部に熱溶断刃22aを備えており、熱溶断刃21aの搬送方向上流側と搬送方向下流側との両側に隣接して熱融着面21b、21cを、熱溶断刃22aの搬送方向上流側と搬送方向下流側との両側に隣接して熱融着面22b、22cをそれぞれ備えている。なお、熱溶断刃21a,22aと熱融着面21b、22b、21c,22cとは、図示していない電気的ヒータによって加熱され、図示していない熱電対を含む周知の温度制御手段によって、後述するシール用の一対の樹脂フィルムの溶断・融着に好適な設定温度(150℃〜300℃)に保持される   The film fusing / fusing means 20 is for heat-fusing a pair of sealing resin films, which will be described later, at predetermined positions, and for locally fusing both sides of the heat-fusing part. 2, 4, 11, and 12, a pair of sandwiching portions 21, 22 are disposed so as to be orthogonal to the transport direction of the transport means 10. Each sandwiching portion 21, 22 corresponds to a height region h <b> 1 (see FIG. 9) that includes the upper end portion of the container 2 with lid and a portion slightly above the upper end surface 2 c (see FIG. 9). The virtual elevation surface 4 (see FIG. 2 and FIG. 4) rising perpendicular to the virtual horizontal surface 3 (see FIG. 4) can be sandwiched opposite to each other at both predetermined positions. The sandwiching part 21 is provided with a thermal cutting blade 21a at the center in the transport direction (arrow F1), and the sandwiching part 22 is provided with a thermal cutting blade 22a at the center in the transport direction (arrow F1). The heat fusion surfaces 21b and 21c are adjacent to both sides of the upstream side in the conveyance direction and the downstream side in the conveyance direction, and the heat fusion surfaces are adjacent to both the upstream side in the conveyance direction and the downstream side in the conveyance direction of the thermal fusing blade 22a. 22b and 22c are provided. The thermal fusing blades 21a, 22a and the heat fusion surfaces 21b, 22b, 21c, 22c are heated by an electric heater (not shown) and are described later by a known temperature control means including a thermocouple (not shown). Is maintained at a set temperature (150 ° C. to 300 ° C.) suitable for fusing and fusing a pair of resin films for sealing

一対の挟着部21,22は、一対の板状のブラケット23,24に振り分けられて、その下端部の搬送方向上流側の面に取り付けられ、各板状のブラケット23,24は、装置フレーム5に架設されている上下一対の案内棒25a,25bに対して、複数のリニアブッシュ26を介して搬送方向に直交して進退自在に取り付けられており、第1進退機構30によって進退する。   The pair of sandwiching portions 21 and 22 is distributed to a pair of plate-like brackets 23 and 24, and is attached to the upstream surface of the lower end portion in the transport direction. 5 is attached to a pair of upper and lower guide rods 25 a and 25 b, which are installed on the upper and lower sides, through a plurality of linear bushes 26 so as to be able to advance and retreat perpendicularly to the conveying direction.

第1進退機構30は、螺旋の巻き方向が互いに異なる一対のねじ棒31,32と、一方のねじ棒32に連結された電動機からなる駆動源33とを備え、一対のねじ棒31,32は、各板状のブラケット23,24の搬送方向上流側の面において、前記上下一対の案内棒25a,25bの間で基端部が装置フレーム5に回転自在に支持され、先端部同士がヘリカルカップリング34を介して同時回転可能に互いに連結されており、一方のねじ棒32に駆動源33が連結されている。したがって、駆動源33の順方向駆動により、一対の挟着部21,22を互いに前進させて熱溶断刃21a、22aの互いの当接により後述するシール用樹脂フィルムを溶断し、かつ熱融着面21c、21d、22c、22dの互いの接近により後述するシール用樹脂フィルムを融着させるとともに、駆動源33の逆方向駆動により、一対の挟着部21,22を互いに後退させて蓋付容器2の通過を許容する間隔を隔てて離間させることができる。   The first advancing / retracting mechanism 30 includes a pair of screw rods 31 and 32 having different spiral winding directions, and a drive source 33 including an electric motor connected to one screw rod 32. The pair of screw rods 31 and 32 includes The base end portions of the plate-like brackets 23 and 24 on the upstream side in the conveying direction are rotatably supported by the apparatus frame 5 between the pair of upper and lower guide rods 25a and 25b, and the distal end portions are helical cups. They are connected to each other via a ring 34 so that they can rotate simultaneously, and a drive source 33 is connected to one screw rod 32. Therefore, by driving the drive source 33 in the forward direction, the pair of sandwiching portions 21 and 22 are advanced to each other, and the sealing resin film, which will be described later, is fused by thermal contact with the thermal fusing blades 21a and 22a. A sealing resin film, which will be described later, is fused by approaching the surfaces 21c, 21d, 22c, and 22d, and the pair of sandwiching portions 21 and 22 are retracted from each other by reverse driving of the drive source 33, thereby providing a container with a lid. The two can be separated by an interval allowing the passage of two.

フィルム挟着・張力付与手段40は、図1,図2,図3,図13,図14に示すように、フィルム溶断・融着手段20の搬送方向(矢印F1)上流側に接近して該搬送方向に交差して配置され、鉛直軸線を有する一対のピンチロール41,42と、鉛直軸線を有する一対の鍔付きテンション付与ロール43,44とを備える。各ピンチロール41,42と各鍔付きテンション付与ロール43,44は、前記蓋付容器2の上端部および上端面2cよりも少し上側近傍を含む高さ領域h1(図9参照)に対応しており、各ピンチロール41,42は後述するシール用樹脂フィルムを前記仮想立面4を挟んで挟着し、各鍔付きテンション付与ロール43,44は、後述するシール用樹脂フィルムにテンションを付与する。なお、各ピンチロール41,42は、各鍔付きテンション付与ロール43,44よりも若干搬送方向(矢印F1)の下流側に向けて突出している。   As shown in FIG. 1, FIG. 2, FIG. 3, FIG. 13 and FIG. 14, the film clamping / tensioning means 40 approaches the upstream side in the transport direction (arrow F1) of the film fusing / fusion means 20 and A pair of pinch rolls 41 and 42 arranged perpendicular to the conveying direction and having a vertical axis, and a pair of hooked tension applying rolls 43 and 44 having a vertical axis are provided. The pinch rolls 41 and 42 and the tension applying rolls 43 and 44 with hooks correspond to a height region h1 (see FIG. 9) including the upper end portion of the lid-equipped container 2 and a portion slightly above the upper end surface 2c. Each of the pinch rolls 41 and 42 sandwiches a sealing resin film, which will be described later, with the virtual elevation surface 4 interposed therebetween, and each of the tension applying rolls 43, 44 applies tension to the sealing resin film described later. . Each of the pinch rolls 41 and 42 slightly protrudes toward the downstream side in the transport direction (arrow F1) than the hooked tension applying rolls 43 and 44.

前記一対のピンチロール41,鍔付きテンション付与ロール43と、ピンチロール42,鍔付きテンション付与ロール44とは、一対の板状のブラケット46,47に振り分けられて、その下端部の搬送方向下流側の面に鉛直軸線を有して回転自在に取り付けられ、各板状のブラケット46,47は、装置フレーム5に架設されている上下一対の案内棒48a,48bに対して、複数のリニアブッシュ49を介して搬送方向に直交して進退自在に取り付けられており、第2進退機構50によって進退する。また、各板状のブラケット46,47の間には、上下一対の案内棒48a,48bに跨がるショックプレート49aが介在しており、このショックプレート49aに対応するゴム製の衝撃緩衝ストッパ49bを下側の一対のリニアブッシュ49に取付けることで、板状のブラケット46,47を前端位置で停止させる時の衝撃を緩衝する。   The pair of pinch rolls 41, the hooked tension applying roll 43, the pinch roll 42, and the hooked tension applying roll 44 are distributed to the pair of plate-like brackets 46, 47, and the lower end of the lower end portion in the transport direction Each of the plate-like brackets 46 and 47 is attached to a pair of upper and lower guide rods 48a and 48b installed on the apparatus frame 5 with a plurality of linear bushes 49. The second advancing / retracting mechanism 50 moves forward and backward. A shock plate 49a straddling the pair of upper and lower guide rods 48a and 48b is interposed between the plate-like brackets 46 and 47, and a rubber shock buffer stopper 49b corresponding to the shock plate 49a. Is attached to the pair of lower linear bushes 49, so that shocks when the plate-like brackets 46 and 47 are stopped at the front end position are buffered.

第2進退機構50は、上下一対の案内棒48a,48bを挿通して、複数のリニアブッシュ49を介して各板状のブラケット46,47を互いに接近させる方向、つまり、各板状のブラケット46,47を互いに前進させる方向に付勢する複数のコイルスプリング51と、各コイルスプリング51の付勢に抗して各板状のブラケット46,47を互いに離間させる方向、すなわち、各板状のブラケット46,47を互いに後退させる方向に移動させる例えばエアシリンダからなる一対の駆動源52,53とを備えている。したがって、複数のコイルスプリング51の付勢により、各板状のブラケット46,47とともに一対のピンチロール41,42と、一対の鍔付きテンション付与ロール43,44とを互いに前進させて、ピンチロール41,42により後述するシール用樹脂フィルムを挟着するとともに、一対の鍔付きテンション付与ロール43,44により後述するシール用樹脂フィルムにテンションを付与し、一対の駆動源52,53の駆動により、各板状のブラケット46,47とともに一対のピンチロール41,42と、一対の鍔付きテンション付与ロール43,44とを互いに後退させて、ピンチロール41,42を前記蓋付容器2の通過を許容する間隔を隔てて離間させることができる。   The second advancing / retracting mechanism 50 is inserted in the pair of upper and lower guide rods 48 a and 48 b and makes the plate-like brackets 46 and 47 approach each other via a plurality of linear bushes 49, that is, each plate-like bracket 46. , 47 are urged in a direction to advance each other, and the plate-like brackets 46, 47 are separated from each other against the urging of each coil spring 51, that is, each plate-like bracket. A pair of drive sources 52 and 53, for example, air cylinders are provided to move 46 and 47 in a direction in which they are moved backward. Therefore, by the biasing of the plurality of coil springs 51, the pair of pinch rolls 41, 42 and the pair of hooked tension applying rolls 43, 44 are moved forward together with the plate-like brackets 46, 47, so that the pinch roll 41 , 42 sandwiches a sealing resin film, which will be described later, and applies tension to the sealing resin film, which will be described later, by a pair of hooked tension applying rolls 43, 44. The pair of pinch rolls 41 and 42 and the pair of hooked tension applying rolls 43 and 44 are moved backward together with the plate-like brackets 46 and 47 to allow the pinch rolls 41 and 42 to pass through the lidded container 2. They can be spaced apart.

一対の繰り出しリール60,60は、図1,図2,図4,図7,図8,図15,図16に示すように、蓋付容器2の上端部および上端面2cの上側近傍を含む高さ領域h1(図9参照)に対応する幅寸法wを有する薄肉のシール用樹脂フィルム巻回体(以下の説明では、樹脂フィルム巻回体という)61A,61Bを回転自在に保持して繰り出すためのもので、各樹脂フィルム巻回体61A,61Bの中心軸62を着脱可能に回転自在に支持する一対の支持板63と、下端部が回転軸64を介して一対の支持板63に揺動自在に支持されたアーム65と、樹脂フィルム繰り出しロール66とを備え、該樹脂フィルム繰り出しロール66は、アーム65の上端部に回転自在に取り付けられて樹脂フィルム巻回体61A,61Bの表面のシール用樹脂フィルム6の繰り出し点に当接して、該シール用樹脂フィルム6の繰り出しを制御するとともに、各樹脂フィルム巻回体61A,61Bの自然発生的な緩みやばらつきを抑制するように機能する。なお、シール用樹脂フィルム6としては、その肉厚が20μ〜30μ程度の薄肉の単層または多層樹脂製のフィルムが適用される。   As shown in FIGS. 1, 2, 4, 4, 7, 8, 15, and 16, the pair of feeding reels 60, 60 includes the upper end of the lidded container 2 and the vicinity of the upper side of the upper end surface 2c. Thin sealing resin film winding bodies (hereinafter referred to as resin film winding bodies) 61A and 61B having a width dimension w corresponding to the height region h1 (see FIG. 9) 61A and 61B are rotatably held and fed out. For this purpose, a pair of support plates 63 that detachably support the central shaft 62 of each of the resin film rolls 61A and 61B and a lower end of the resin film winding bodies 61A and 61B swing on the pair of support plates 63 via the rotation shaft 64. An arm 65 supported in a movable manner and a resin film feed roll 66 are provided. The resin film feed roll 66 is rotatably attached to the upper end of the arm 65 and is mounted on the surface of the resin film rolls 61A and 61B. For seal In contact with the feed point of the fat film 6 serves to suppress and controls the feeding of the sealing resin film 6, each of the resin film wound body 61A, a spontaneous loosening or variation of 61B. As the sealing resin film 6, a thin single layer or multilayer resin film having a thickness of about 20 μ to 30 μ is applied.

シール用樹脂フィルム方向転換系70は、図1,図2,図3,図4,図6に示すように、一対の第1方向転換ロール71A,71Bと、一対の第2方向転換ロール72A,72Bとを備える。一方の第1方向転換ロール71Aは、一方の樹脂フィルム巻回体61Aから繰り出されて立ち上がるシール用樹脂フィルム6の繰り出し方向を、搬送方向(矢印F1)の上流側に向けて水平方向に転換させるために45度の傾斜軸線を有して装置フレーム5に回転自在に配置され、一方の第2方向転換ロール72Aは、一方の第1方向転換ロール71Aから前記上流側に向けて水平方向に繰り出されたシール用樹脂フィルム6の繰り出し方向を、一方の鍔付きテンション付与ロール43に向けて水平方向に転換させるために鉛直軸線を有して装置フレーム5に回転自在に取り付けられている。   As shown in FIGS. 1, 2, 3, 4, and 6, the sealing resin film direction changing system 70 includes a pair of first direction changing rolls 71 </ b> A and 71 </ b> B and a pair of second direction changing rolls 72 </ b> A, 72B. One first direction changing roll 71A changes the feeding direction of the sealing resin film 6 drawn up from one resin film roll 61A to the horizontal direction toward the upstream side in the conveying direction (arrow F1). Therefore, it has a tilt axis of 45 degrees and is rotatably arranged on the apparatus frame 5, and one second direction changing roll 72A is fed out from one first direction changing roll 71A in the horizontal direction toward the upstream side. The sealing resin film 6 is rotatably attached to the apparatus frame 5 with a vertical axis so as to change the feeding direction of the sealing resin film 6 toward the one tension applying roll 43 with a flange.

また、他方の第1方向転換ロール71Bは、他方の樹脂フィルム巻回体61Bから繰り出されて立ち上がる樹脂フィルム6の繰り出し方向を、搬送方向(矢印F1)の上流側に向けて水平方向に転換させるために45度の傾斜軸線を有して装置フレーム5に回転自在に配置され、他方の第2方向転換ロール72Bは、他方の第1方向転換ロール71Bから前記上流側に向けて水平方向に繰り出されたシール用樹脂フィルム6の繰り出し方向を、他方の鍔付きテンション付与ロール44に向けて水平方向に転換させるために鉛直軸線を有して装置フレーム5に回転自在に取り付けられている。そして、各第2方向転換ロール72A,72Bにより方向転換して繰り出された一対の樹脂フィルム6は、各鍔付きテンション付与ロール43,44と各ピンチロール41,42それぞれの外周面の一部に掛けまわされて、後述する融着部が各ピンチロール41,42の搬送方向(矢印F1)の下流側端面間で前記仮想立面4に対応する。   The other first direction changing roll 71B changes the feeding direction of the resin film 6 drawn up from the other resin film wound body 61B to the horizontal direction toward the upstream side in the transport direction (arrow F1). Therefore, it has a tilt axis of 45 degrees and is rotatably arranged on the apparatus frame 5, and the other second direction change roll 72B is fed out from the other first direction change roll 71B in the horizontal direction toward the upstream side. The sealing resin film 6 is rotatably attached to the apparatus frame 5 with a vertical axis so as to change the feeding direction of the sealing resin film 6 toward the other flanged tension applying roll 44 in the horizontal direction. And a pair of resin film 6 which changed direction with each 2nd direction change roll 72A, 72B and was drawn | fed out is a part of outer peripheral surface of each tension applying roll 43,44 and each pinch roll 41,42. It is wound around and the fusion | melting part mentioned later respond | corresponds to the said virtual standing surface 4 between the downstream end surfaces of the conveyance direction (arrow F1) of each pinch roll 41,42.

図1,図17において、制御手段80は、前記搬送手段10の駆動源13と、第1進退機構30の駆動源33と、第2進退機構50における一対の駆動源52,53とに、設定されている制御プログラムに基づいて電気的制御信号を出力して、これらの駆動を制御する。   1 and 17, the control means 80 is set to the drive source 13 of the transport means 10, the drive source 33 of the first advance / retreat mechanism 30, and the pair of drive sources 52, 53 of the second advance / retreat mechanism 50. An electric control signal is output based on the control program that is being controlled, and these drives are controlled.

前記構成のシール用樹脂フィルム巻回装置1によれば、第1進退機構30の駆動源33の逆方向駆動によりフィルム融着・溶断手段20の挟着部21,22を互いに後退させて、各挟着部21,22を蓋付容器2の通過を許容する間隔を隔てて離間させ、第2進退機構50の駆動源52,53の駆動により、コイルスプリング51の付勢に抗してフィルム挟着・張力付与手段40を互いに後退させて、ピンチロール41,42を蓋付容器2の通過を許容する間隔を隔てて離間させて待機する。この待機状態で搬送手段10により所定の移動量lで蓋付容器2を前進させると、蓋付容器2における蓋体2bの先端により一対のシール用樹脂フィルム6の後述する先端融着部が搬送方向(矢印F1)に押圧され、この押圧に伴って、一対のシール用樹脂フィルム6は張力を付与されながら、一対の繰り出しリール60に保持されている樹脂フィルム巻回体61A,61Bから繰り出される。   According to the sealing resin film winding apparatus 1 having the above-described configuration, the sandwiching portions 21 and 22 of the film fusion / melting means 20 are moved backward by the reverse drive of the drive source 33 of the first advancing / retracting mechanism 30. The sandwiching portions 21 and 22 are spaced apart from each other by an interval that allows passage of the lidded container 2, and driving of the drive sources 52 and 53 of the second advance / retreat mechanism 50 resists the bias of the coil spring 51. The wearing / tensioning means 40 is moved backward, and the pinch rolls 41 and 42 are separated from each other by an interval that allows the cover-equipped container 2 to pass. When the container 2 with the lid is advanced by the conveying means 10 in this standby state by a predetermined movement amount l, the distal end fusion portion (to be described later) of the pair of sealing resin films 6 is conveyed by the tip of the lid 2b of the container 2 with the lid. Pressed in the direction (arrow F1), and with this pressing, the pair of sealing resin films 6 are fed from the resin film rolls 61A and 61B held by the pair of feeding reels 60 while being given tension. .

蓋付容器2の前進移動が所定量に達すると所定位置で蓋付容器2は停止する。この時点では、図18に示すように、一対のシール用樹脂フィルム6は張力を付与された状態で蓋付容器2における上端部の前半分に巻回される。ここで、第2進退機構50の駆動源52,53による駆動を解除し、コイルスプリング51の付勢によりフィルム挟着・張力付与手段40を互いに前進させて、図19に示すように、一対のピンチロール41,42により一対のシール用樹脂フィルム6を挟着する。   When the forward movement of the lidded container 2 reaches a predetermined amount, the lidded container 2 stops at a predetermined position. At this time, as shown in FIG. 18, the pair of sealing resin films 6 are wound around the front half of the upper end portion of the lidded container 2 in a tensioned state. Here, the driving by the driving sources 52 and 53 of the second advancing / retreating mechanism 50 is released, and the film clamping / tension applying means 40 is moved forward by the biasing force of the coil spring 51, and as shown in FIG. A pair of sealing resin films 6 are sandwiched by pinch rolls 41 and 42.

本実施形態では、フィルム挟着・張力付与手段40がフィルム溶断・融着手段20よりも蓋付容器2の搬送方向(矢印F1)上流側に配置されているので、一対のシール用樹脂フィルム6は、図19において実線で示すように、蓋付容器2における上端部の前半分から一対のピンチロール41,42に向けて張力を付与された状態で互いの対向間隔が縮小される。同時に第1進退機構30における駆動源33の順方向駆動により、フィルム溶断・融着手段20の挟着部21,22を図19において実線で示す位置から仮想線で示す位置に互いに前進させて各挟着部21,22を互いに接近させると、一対のシール用樹脂フィルム6は、仮想線で示すように、蓋付容器2における上端部の前半分と後半分との境界2A,2Aと一対のピンチロール41,42との間で挟着部21,22により挟着されて、該挟着部21,22と前記境界2A,2Aとの間の仮想線で示す一対のシール用樹脂フィルム6はさらに強い張力を付与されて弾性伸長した状態になる。   In the present embodiment, since the film clamping / tensioning means 40 is disposed upstream of the film fusing / fusion means 20 in the transport direction (arrow F1) of the lidded container 2, a pair of sealing resin films 6 is provided. As shown by a solid line in FIG. 19, the distance between the opposing portions is reduced in a state where tension is applied from the front half of the upper end portion of the lidded container 2 toward the pair of pinch rolls 41 and 42. At the same time, the forward drive of the drive source 33 in the first advance / retreat mechanism 30 causes the sandwiching portions 21 and 22 of the film fusing / fusing means 20 to move forward from the position indicated by the solid line to the position indicated by the phantom line in FIG. When the sandwiching portions 21 and 22 are brought close to each other, the pair of sealing resin films 6 are separated from each other by the boundary 2A, 2A between the front half and the rear half of the upper end portion of the lidded container 2 as shown by the phantom line. A pair of sealing resin films 6 sandwiched between the pinch rolls 41 and 42 by the sandwiching portions 21 and 22 and indicated by imaginary lines between the sandwiching portions 21 and 22 and the boundaries 2A and 2A are as follows: Furthermore, it will be in the state extended elastically with strong tension | tensile_strength.

挟着部21,22によって挟着された一対のシール用樹脂フィルム6は、搬送方向(矢印F1)の中心位置が熱溶断刃21a,22aによって溶断されるとともに、中心位置の搬送方向上下流両側は熱融着面21b,22b、21c22cの互いの接近により融着される。ここで、第1、第2進退機構30、50の駆動源33、52,53の駆動によりフィルム融着・溶断手段20の挟着部21,22とフィルム挟着・張力付与手段40のピンチロール41,42および鍔付きテンション付与ロール43,44とが互いに後退する。   The pair of sealing resin films 6 sandwiched by the sandwiching portions 21 and 22 are melted at the center position in the transport direction (arrow F1) by the thermal fusing blades 21a and 22a, and both upstream and downstream in the transport direction of the center position. Are fused by the close contact of the heat fusion surfaces 21b, 22b, 21c22c. Here, the pinching rolls 21 and 22 of the film fusion / melting means 20 and the pinch rolls of the film clamping / tensioning means 40 by driving the drive sources 33, 52, 53 of the first and second advance / retreat mechanisms 30, 50. 41 and 42 and the tension applying rolls 43 and 44 with a hook retreat mutually.

これにより、搬送方向(矢印F1)上下流両側での熱融着面21bと22bおよび21cと22c同士の接近は解除されて、搬送方向下流側の熱融着面21b,22bによって融着された後端融着部6aは、該後端融着部6aと前記境界2A,2Aとの間の仮想線で示す一対のシール用樹脂フィルム6の弾性復帰により、図20に示すように、蓋付容器2の後端位置まで変位して、蓋付容器2における上端部の全周と該蓋付容器2の上端面2cの上側近傍の全周とに巻回される。また、フィルム挟着・張力付与手段40が互いに後退することにより、搬送方向上流側の熱融着面21b,22bによって融着された先端融着部6bは、一対のピンチロール41,42の間で蓋付容器2の上端部および上端面2cの上側近傍を含む高さ領域h1と仮想立面4とに対応して位置決めされて待機する。以下は、前記の動作を反復することで、蓋付容器2は、その上端部の全周と該蓋付容器2の上端面2cの上側近傍の全周とに一対のシール用樹脂フィルムが巻回された状態で、搬送手段10により間欠的に送り出される。   As a result, the heat fusion surfaces 21b and 22b on both the upstream and downstream sides in the transport direction (arrow F1) and the approach between 21c and 22c are released, and the heat fusion surfaces 21b and 22b on the downstream side in the transport direction are fused. As shown in FIG. 20, the rear end fused portion 6a has a lid as shown in FIG. 20 due to the elastic return of the pair of sealing resin films 6 indicated by phantom lines between the rear end fused portion 6a and the boundaries 2A and 2A. Displacement to the rear end position of the container 2 is wound around the entire circumference of the upper end portion of the lidded container 2 and the entire circumference in the vicinity of the upper side of the upper end surface 2c of the lidded container 2. Further, when the film clamping / tension applying means 40 moves backward, the front end fusion portion 6b fused by the heat fusion surfaces 21b, 22b on the upstream side in the conveying direction is between the pair of pinch rolls 41, 42. Then, it is positioned corresponding to the height region h1 including the upper end portion of the lidded container 2 and the vicinity of the upper side of the upper end surface 2c and the virtual upright surface 4 and waits. In the following, by repeating the above-described operation, the lidded container 2 has a pair of sealing resin films wound around the entire circumference of the upper end portion and the entire circumference in the vicinity of the upper end surface 2c of the lidded container 2. In the rotated state, it is intermittently sent out by the conveying means 10.

一方、図21に示すように、一対のピンチロール41,42が一対の鍔付きテンション付与ロール43,44よりも搬送方向(矢印F1)下流側に大きく離間するとともに、両者41,42、43,44が個別に進退するように構成したフィルム挟着・張力付与手段40を備え、該フィルム挟着・張力付与手段40における一対のピンチロール41,42と一対の鍔付きテンション付与ロール43,44との間にフィルム溶断・融着手段20の挟着部21,22を配置した構成の樹脂フィルム巻回装置1であれば、第1進退機構30の駆動源33の逆方向駆動によりフィルム融着・溶断手段20の挟着部21,22を互いに後退させて、各挟着部21,22を蓋付容器2の通過を許容する間隔を隔てて離間させ、第2進退機構50の図示していない駆動源の駆動により、図示していないコイルスプリングの付勢に抗してフィルム挟着・張力付与手段40におけるピンチロール41,42と鍔付きテンション付与ロール43,44とを、個別に互いに後退させて、これらを蓋付容器2の通過を許容する間隔を隔てて離間させて待機する。   On the other hand, as shown in FIG. 21, the pair of pinch rolls 41, 42 are greatly separated downstream in the transport direction (arrow F <b> 1) than the pair of hooked tension applying rolls 43, 44, and both 41, 42, 43, A film clamping / tension applying means 40 configured to advance and retreat individually, and a pair of pinch rolls 41, 42 and a pair of hooked tension applying rolls 43, 44 in the film clamping / tension applying means 40; If the resin film winding device 1 has a configuration in which the sandwiching portions 21 and 22 of the film fusing / fusing unit 20 are arranged between the two, the film fusion / The sandwiching portions 21 and 22 of the fusing means 20 are retracted from each other so that the respective sandwiching portions 21 and 22 are spaced apart from each other with an interval allowing passage of the lidded container 2. The pinch rolls 41, 42 and the hooked tension applying rolls 43, 44 in the film clamping / tension applying means 40 are individually retracted against each other against the biasing force of a coil spring (not shown) by the drive of the non-illustrated driving source. Then, they are put on standby with an interval allowing the passage of the lidded container 2 to be allowed.

この待機状態で搬送手段10により所定の移動量lで蓋付容器2を前進させると、蓋付容器2における蓋体2bの先端により一対のシール用樹脂フィルム6の先端融着部6bが搬送方向(矢印F1)に押圧され、この押圧に伴って、一対のシール用樹脂フィルム6は張力を付与されながら、一対の繰り出しリール60に保持されている樹脂フィルム巻回体61A,61Bから繰り出される。   In this standby state, when the container 2 with the lid is moved forward by a predetermined movement amount l by the conveying means 10, the front end fusion part 6 b of the pair of sealing resin films 6 is conveyed in the conveying direction by the front end of the lid body 2 b in the container 2 with the lid. Pressed by (arrow F1), and with this press, the pair of sealing resin films 6 are fed out from the wound resin film bodies 61A and 61B held by the pair of feeding reels 60 while being given tension.

蓋付容器2の前進移動が所定量に達すると所定位置で蓋付容器2は停止する。この時点では、図21に示すように、一対のシール用樹脂フィルム6は張力を付与された状態で蓋付容器2における上端部の前半分に巻回される。ここで、第2進退機構50の図示していない駆動源の駆動を解除し、前記図示していないコイルスプリングの付勢によりフィルム挟着・張力付与手段40の一対のピンチロール41,42のみを互いに前進させて、図22に示すように、一対のピンチロール41,42により一対のシール用樹脂フィルム6を挟着する。   When the forward movement of the lidded container 2 reaches a predetermined amount, the lidded container 2 stops at a predetermined position. At this time, as shown in FIG. 21, the pair of sealing resin films 6 are wound around the front half of the upper end portion of the lidded container 2 in a tensioned state. Here, the drive of the drive source (not shown) of the second advance / retreat mechanism 50 is released, and only the pair of pinch rolls 41, 42 of the film clamping / tension applying means 40 are biased by the bias of the coil spring (not shown). As shown in FIG. 22, the pair of pinch rolls 41 and 42 sandwich the pair of sealing resin films 6 as they are advanced.

これにより、一対のシール用樹脂フィルム6は蓋付容器2における上端部の全周と該蓋付容器2の上端面2cの上側近傍の全周とに巻回される。同時に、図23に示すように、第1進退機構30の駆動源33によりフィルム溶断・融着手段20の一対の挟着部21,22を互いに前進させてこれらを互いに接近させるとともに、第2進退機構50の図示していない駆動源の駆動の駆動を解除し、前記図示していないコイルスプリングの付勢によりフィルム挟着・張力付与手段40の一対の鍔付きテンション付与ロール43,44を互いに前進させる。   Thus, the pair of sealing resin films 6 are wound around the entire circumference of the upper end portion of the lidded container 2 and the entire circumference in the vicinity of the upper side of the upper end surface 2c of the lidded container 2. At the same time, as shown in FIG. 23, the drive source 33 of the first advancing / retracting mechanism 30 advances the pair of sandwiching portions 21 and 22 of the film fusing / fusing means 20 toward each other to bring them closer to each other and the second advancing / retreating The drive of the drive source (not shown) of the mechanism 50 is released, and the pair of hooked tension applying rolls 43 and 44 of the film clamping / tension applying means 40 are moved forward by the biasing force of the coil spring (not shown). Let

一対の挟着部21,22によって挟着された一対のシール用樹脂フィルム6は、搬送方向(矢印F1)の中心位置が熱溶断刃21a,22aによって溶断されるとともに、中心位置の搬送方向上下流両側は熱融着面21b,22b、21c,22cの互いの接近により融着される。ここで、第1進退機構30の駆動源33の駆動と第2進退機構50の前記図示していない駆動源の駆動とによって、図24に示すように、フィルム融着・溶断手段20の挟着部21,22と、フィルム挟着・張力付与手段40の一対のピンチロール41,42と一対の鍔付きテンション付与ロール43,44とを互いに後退させる。   The pair of sealing resin films 6 sandwiched between the pair of sandwiching portions 21 and 22 is melted at the center position in the transport direction (arrow F1) by the thermal fusing blades 21a and 22a and on the transport direction of the center position. The downstream sides are fused by the close contact of the heat-sealing surfaces 21b, 22b, 21c, and 22c. Here, by driving the drive source 33 of the first advance / retreat mechanism 30 and the drive source (not shown) of the second advance / retreat mechanism 50, as shown in FIG. The parts 21, 22 and the pair of pinch rolls 41 and 42 of the film clamping / tension applying means 40 and the pair of hooked tension applying rolls 43 and 44 are moved backward.

これにより、搬送方向(矢印F1)上下流両側での熱融着面21bと22bおよび21cと22c同士の接近は解除されて、搬送方向下流側の熱融着面21c,22cによって融着された後端融着部6aは、蓋付容器2の後端位置まで変位して、蓋付容器2における上端部の全周と該蓋付容器2の上端面2cの上側近傍の全周とに巻回される。また、フィルム挟着・張力付与手段40が互いに後退することにより、搬送方向上流側の熱融着面21b,22bによって融着された先端融着部6bは、一対の鍔付きテンション付与ロール43,44の間で蓋付容器2の上端部および上端面2cの上側近傍を含む高さ領域h1と仮想立面4とに対応して位置決めされて待機する。以下は、前記の動作を反復することで、蓋付容器2は、その上端部の全周と該蓋付容器2の上端面2cの上側近傍の全周とに一対のシール用樹脂フィルムが巻回された状態で、搬送手段10により間欠的に送り出される。   Thereby, the approach of the heat sealing surfaces 21b and 22b and 21c and 22c on both upstream and downstream sides in the transport direction (arrow F1) is released, and the heat sealing surfaces 21c and 22c on the downstream side in the transport direction are fused. The rear end fusion portion 6a is displaced to the rear end position of the lidded container 2 and is wound around the entire circumference of the upper end portion of the lidded container 2 and the entire circumference in the vicinity of the upper side of the upper end surface 2c of the lidded container 2. Turned. Further, when the film clamping / tension applying means 40 moves backward from each other, the leading end fusion part 6b fused by the heat fusion surfaces 21b, 22b on the upstream side in the transport direction has a pair of hooked tension applying rolls 43, 44 is positioned corresponding to the height region h1 including the upper end portion of the container 2 with lid and the upper side of the upper end surface 2c and the virtual upright surface 4 and waits. In the following, by repeating the above-described operation, the lidded container 2 has a pair of sealing resin films wound around the entire circumference of the upper end portion and the entire circumference in the vicinity of the upper end surface 2c of the lidded container 2. In the rotated state, it is intermittently sent out by the conveying means 10.

本発明に係る樹脂フィルム巻回装置1は、図25に示すように、搬送手段10の下流側に、前記蓋付容器2の上端部および上端面2cの上側近傍を含む高さ領域h1(図9参照)に対応して巻回されたシール用樹脂フィルム6を加熱しながら搬送排出する下流側搬送手段10Aを備えた加熱ゾーン16を設けることが望ましい。これによると、上端部の全周と上端面2cの上側近傍の全周とに一対のシール用樹脂フィルム6が巻回されて、搬送手段10により送り出された蓋付容器2が加熱ゾーン16を通過する間に、前記巻回された一対のシール用樹脂フィルム6を熱収縮させて、蓋付容器2のシーリングを連続して実施することができるので作業効率がよくなる。   As shown in FIG. 25, the resin film winding apparatus 1 according to the present invention includes a height region h <b> 1 including the upper end portion of the container with lid 2 and the vicinity of the upper side of the upper end surface 2 c on the downstream side of the conveying means 10. 9)), it is desirable to provide a heating zone 16 provided with a downstream conveying means 10A that conveys and discharges the sealing resin film 6 wound corresponding to the above. According to this, the pair of sealing resin films 6 are wound around the entire circumference of the upper end portion and the entire circumference in the vicinity of the upper end surface 2 c, and the lidded container 2 fed out by the conveying means 10 is moved through the heating zone 16. While passing, the pair of wound sealing resin films 6 can be heat-shrinked, and sealing of the lidded container 2 can be carried out continuously, so that the working efficiency is improved.

また、図26に示すように、キャタピラ型の一対の搬送手段10Bにより前記搬送手段10と下流側搬送手段10Aの双方を構成することが望ましい。これによると、簡単な構造により蓋付容器2を所定の間隔を隔てて位置決め保持して間欠搬送しながら、蓋付容器2の上端部および上端面2cの上側近傍を含む高さ領域h1に対応して巻回されたシール用樹脂フィルム6を熱収縮させて、蓋付容器2のシーリングを連続して実施することができる。なお、図26において、16は加熱ゾーンを示す。   Moreover, as shown in FIG. 26, it is desirable that both the conveying means 10 and the downstream conveying means 10A are constituted by a pair of caterpillar type conveying means 10B. According to this, with a simple structure, the lid-equipped container 2 is positioned and held at a predetermined interval and intermittently transported, and corresponds to the height region h1 including the upper end portion of the lid-equipped container 2 and the upper side of the upper end surface 2c. Then, the sealing resin film 6 wound around is thermally contracted, and the sealing of the lidded container 2 can be continuously performed. In FIG. 26, reference numeral 16 denotes a heating zone.

前記実施形態の説明は、単に本発明の好ましい具体的な実施例の詳細な説明および図面に過ぎず、本発明の特許請求の範囲を制限するものではない。そして、本発明の主張する技術的範囲は、添付の特許請求の範囲に基づくべきであり、当該分野における通常の知識を有する当業者が適当に変更や改良などを実施できるが、それらの実施形態が本発明の主張する技術的範囲内に収まるべきことは言うまでもない。たとえば、容器本体2aに蓋体2bが外嵌されている蓋付容器2にシール用樹脂フィルム6を巻回する構成で説明しているが、本発明に係る蓋付容器へのシール用樹脂フィルム巻回装置1は、前記実施形態のみに限定されるものではなく、容器本体2aに蓋体2bが内嵌されている蓋付容器2の外周にシール用樹脂フィルム6を巻回することも可能である。また、樹脂フィルム巻回体61A,61Bの設置位置は任意であり、たとえば装置フレーム5の頂上に設定してもよい。さらに、樹脂フィルム6が樹脂フィルム巻回体61A,61Bから樹脂フィルム繰り出し系70に繰り出される場合、樹脂フィルム巻回体61A,61Bの慣性によって樹脂フィルム6にタルミが発生するようであれば、樹脂フィルム巻回体61A,61Bに、その慣性を抑制してタルミを防止する制動手段として機能するダンパーを付設してもよい。さらにまた、樹脂フィルム繰り出し系70にテンション付与を付設してもよい。   The description of the above embodiments is merely a detailed description of the preferred specific examples and drawings of the present invention, and does not limit the scope of the claims of the present invention. The technical scope claimed by the present invention should be based on the appended claims, and those skilled in the art having ordinary knowledge in the art can appropriately make changes and improvements. Needless to say, should fall within the technical scope claimed by the present invention. For example, the sealing resin film 6 is wound around the lidded container 2 in which the lid body 2b is externally fitted to the container body 2a. However, the sealing resin film to the lidded container according to the present invention is described. The winding device 1 is not limited to the embodiment described above, and the sealing resin film 6 can be wound around the outer periphery of the lidded container 2 in which the lid body 2b is fitted in the container body 2a. It is. The installation positions of the resin film winding bodies 61A and 61B are arbitrary, and may be set, for example, on the top of the apparatus frame 5. Further, when the resin film 6 is fed from the resin film winding bodies 61A and 61B to the resin film feeding system 70, if the resin film 6 is subjected to inertia due to the inertia of the resin film winding bodies 61A and 61B, the resin film 6 The film winding bodies 61A and 61B may be provided with a damper that functions as a braking means that suppresses inertia and prevents tarmi. Furthermore, tension may be attached to the resin film feeding system 70.

味噌などの食料品を封入した容器本体の上端開口部に蓋体を被せただけの状態で店頭に陳列して販売する形態では、第三者の悪意により蓋体を開けて商品に異物が混入されるおそれを有している。そこで、
蓋付容器の容器本体上端部の外周にシール用樹脂フィルムを巻回したのち、このシール用樹脂フィルムを熱収縮させて容器本体と蓋体とをシーリングした状態で店頭に陳列する。購入者はシーリングが破られているか否かを確認し、シーリングが破られていなければ、容器本体に封入されている味噌などの食料品に異物が混入されておらず安全であると判断して購入できる。
In a form in which food containers such as miso are encased and the top end opening of the container body is simply covered with a lid, it is displayed at the storefront and sold, and the lid is opened by a third party maliciously, and foreign matter enters the product. There is a risk of being. Therefore,
After the sealing resin film is wound around the outer periphery of the upper end of the container main body of the lidded container, the sealing resin film is thermally contracted and displayed at the store in a state where the container main body and the lid are sealed. The purchaser confirms whether or not the sealing is broken, and if the sealing is not broken, the purchaser judges that the food product such as miso sealed in the container body is not contaminated and is safe. Can be purchased.

1 蓋付容器へのシール用樹脂フィルム巻回装置
2 蓋付容器
2a 容器本体
2b 蓋体
2c 上端面
3 仮想水平面
4 仮想立面
10 搬送手段
10A 下流側搬送手段
10B キャタピラ型で一連の搬送手段
11 搬送基準線
13 搬送手段の駆動源
16 加熱ゾーン
20 シール用樹脂フィルム溶断・融着手段
21 挟着部
21a 熱溶断刃
21b 熱融着面
21c 熱融着面
9 下側回転螺旋体
30 第1進退機構
33 第1進退機構の駆動源
40 シール用樹脂フィルム挟着・張力付与手段
41 ピンチロール
42 ピンチロール
43 テンション付与ロール
44 テンション付与ロール
50 第2進退機構
52 第2進退機構の駆動源
53 第2進退機構の駆動源
60 一対の繰り出しリール
61A シール用樹脂フィルム巻回体
61B シール用樹脂フィルム巻回体
70 シール用樹脂フィルム方向転換系
80 制御手段
O 蓋付容器の中心
h 所定の高さ
F1 搬送方向
l 移動量、搬送間隔
DESCRIPTION OF SYMBOLS 1 Resin film winding apparatus for sealing to container with lid 2 Container with lid 2a Container body 2b Lid 2c Upper end surface 3 Virtual horizontal surface 4 Virtual elevation surface 10 Conveying means 10A Downstream conveying means 10B Caterpillar type series of conveying means 11 Conveyance reference line 13 Driving source of conveying means 16 Heating zone 20 Resin film fusing / fusing means for sealing 21 Clamping part 21a Thermal fusing blade 21b Thermal fusing surface 21c Thermal fusing surface 9 Lower rotating helical body 30 First advance / retreat mechanism 33 Driving source of first advance / retreat mechanism 40 Sealing resin film sandwiching / tension applying means 41 Pinch roll 42 Pinch roll 43 Tension applying roll 44 Tension applying roll 50 Second advance / retreat mechanism 52 Drive source of second advance / retreat mechanism 53 Second advance / retreat Mechanism drive source 60 Pair of reels 61A Sealing resin film roll 61B Sealing resin Irumu wound body 70 center h predetermined height of the sealing resin film turning system 80 control unit O container with lid F1 conveying direction l movement amount, the conveying distance

Claims (3)

上端に開口部を設けた容器本体と該容器本体の上端部に嵌合されて前記開口部を着脱可能に塞ぐ蓋体とを備えた蓋付容器を、所定の高さで所定の間隔を隔てて位置決めして所定の移動量で搬送方向に搬送基準線に沿って間欠前進させる搬送手段と、
この搬送手段の搬送方向に交差し、かつ前記蓋付容器の上端部および上端面の上側近傍を含む高さ領域に対応して配置されるとともに、前記搬送基準線を含んで仮想水平面に直交して立ち上がる仮想立面を所定位置で両側から挟む挟着部を有し、該挟着部は搬送方向の中心部に熱溶断刃を備え、該熱溶断刃の搬送方向上流側と搬送方向下流側との両側に隣接する熱融着面を備えたシール用樹脂フィルム溶断・融着手段と、
このシール用樹脂フィルム溶断・融着手段を互いに前進させて熱溶断刃の互いの当接によりシール用樹脂フィルムを溶断し、かつ前記熱融着面の互いの接近によりシール用樹脂フィルムを融着させるとともに、シール用樹脂フィルム融着・溶断手段を互いに後退させて前記挟着部を前記蓋付容器の通過を許容する間隔を隔てて離間させる第1進退機構と、
前記シール用樹脂フィルム溶断・融着手段の前記搬送方向の上流側または上流側と下流側の双方のいずれかに接近して該搬送方向に交差し、かつ前記蓋付容器の上端部および上端面の上側近傍を含む高さ領域に対応して配置され、搬送方向の交差方向に互いに前進してシール用樹脂フィルムを前記仮想立面を挟んで挟着するピンチロールと、該ピンチロールと同じ高さ領域に対応して搬送方向に交差して配置されてシール用樹脂フィルムに張力を付与する少なくとも一対のテンション付与ロールとを備えたシール用樹脂フィルム挟着・張力付与手段と、
このシール用樹脂フィルム挟着・張力付与手段を互いに前進させてピンチロールでシール用樹脂フィルム挟着し、かつ前記テンション付与ロールでシール用樹脂フィルムに張力を付与するとともに、シール用樹脂フィルム挟着・張力付与手段を互いに後退させてピンチロールとテンション付与ロールとを前記蓋付容器の通過を許容する間隔を隔てて離間させる第2進退機構と、
前記蓋付容器の上端部および上端面の上側近傍を含む高さ領域に対応する幅寸法を有する薄肉のシール用樹脂フィルム巻回体を回転自在に保持して繰り出す一対の繰り出しリールと、
前記熱溶断刃の搬送方向下流側に隣接する熱融着面で融着された一対のシール用樹脂フィルムの先端融着部を前記仮想立面に位置決めし、該先端融着部が前記搬送手段により所定の移動量で間欠前進する蓋付容器に押圧されるのに伴って、前記先端融着部に連続する一対のシール用樹脂フィルムが前記一対の繰り出しリールからテンションを付与されて繰り出されるように該一対のシール用樹脂フィルムを前記シール用樹脂フィルム挟着・張力付与手段に導く方向転換系と、
前記搬送手段を所定の移動量で間欠駆動する搬送手段の駆動源と、前記第1進退機構を進退させるシール用樹脂フィルム溶断・融着手段の駆動源および前記第2進退機構を進退させるシール用樹脂フィルム挟着・張力付与手段の駆動源の駆動を設定されている制御プログラムに基づいて電気的に制御する制御手段と、
を備えてなることを特徴とする蓋付容器へのシール用樹脂フィルム巻回装置。
A container with a lid provided with a container main body provided with an opening at the upper end and a lid body that is fitted to the upper end of the container main body to detachably close the opening is separated at a predetermined height by a predetermined interval. A conveying means for positioning and intermittently advancing along the conveyance reference line in the conveyance direction with a predetermined movement amount;
It is arranged corresponding to a height region that intersects the conveying direction of the conveying means and includes the upper end portion of the container with lid and the upper side of the upper end surface, and is orthogonal to the virtual horizontal plane including the conveying reference line. A sandwiching part that sandwiches a virtual elevation surface that rises from both sides at a predetermined position, the sandwiching part having a thermal cutting blade at the center in the transport direction, and upstream and downstream in the transport direction of the thermal cutting blade A sealing resin film fusing and fusing means having heat fusing surfaces adjacent to both sides, and
The sealing resin film fusing and fusing means are advanced to each other, and the sealing resin film is fused by the abutment of the hot fusing blades, and the sealing resin film is fused by the close contact of the heat fusing surfaces. And a first advancing / retreating mechanism for retreating the sealing resin film fusing and fusing means away from each other with a gap allowing the passage of the lidded container,
The sealing resin film fusing and fusing means approaches either the upstream side or both the upstream side and the downstream side in the transport direction and intersects the transport direction, and the upper end and the upper end surface of the lidded container A pinch roll which is arranged corresponding to a height region including the vicinity of the upper side of the sheet and advances in the crossing direction of the conveying direction to sandwich the sealing resin film with the virtual elevation face interposed therebetween, and the same height as the pinch roll A sealing resin film sandwiching / tensioning means provided with at least a pair of tension applying rolls arranged to cross the conveying direction corresponding to the thickness region and apply tension to the sealing resin film;
The sealing resin film sandwiching / tensioning means are moved forward to sandwich the sealing resin film with a pinch roll, and the tensioning roll applies tension to the sealing resin film, and the sealing resin film sandwiching A second advancing / retreating mechanism that retracts the tension applying means from each other and separates the pinch roll and the tension applying roll with an interval that allows passage of the lidded container;
A pair of feeding reels that rotatably hold and feed out a thin sealing resin film winding body having a width corresponding to a height region including the upper portion of the container with lid and the vicinity of the upper side of the upper end surface;
The tip fusion part of a pair of sealing resin films fused on the heat fusion surface adjacent to the downstream side in the conveyance direction of the thermal cutting blade is positioned on the virtual elevation surface, and the tip fusion part is the conveyance means. As a result, the pair of sealing resin films continuous to the tip fusion part are fed out with tension applied from the pair of feeding reels as they are pressed against the lidded container that intermittently advances by a predetermined amount of movement. A direction changing system for guiding the pair of sealing resin films to the sealing resin film sandwiching / tensioning means;
A driving source for the conveying means for intermittently driving the conveying means with a predetermined amount of movement, a driving source for the sealing resin film fusing and fusing means for advancing / retreating the first advancing / retracting mechanism, and a seal for advancing / retreating the second advancing / retreating mechanism Control means for electrically controlling the driving of the drive source of the resin film clamping / tensioning means based on a set control program;
A resin film winding device for sealing around a container with a lid, comprising:
請求項1に記載の蓋付容器へのシール用樹脂フィルム巻回装置において
前記搬送手段の下流側に、蓋付容器の上端部および上端面の上側近傍を含む高さ領域に対応して巻回されたシール用樹脂フィルムを加熱しながら搬送排出する下流側搬送手段を設けた加熱ゾーンを備えてなる蓋付容器へのシール用樹脂フィルム巻回装置。
The sealing resin film winding apparatus for a lidded container according to claim 1, wherein the winding is performed on the downstream side of the conveying means corresponding to the height region including the upper end portion of the lidded container and the upper side of the upper end surface. The sealing resin film winding apparatus to the lidded container provided with the heating zone which provided the downstream conveyance means which conveys and discharges the sealed resin film heated.
請求項2に記載の蓋付容器へのシール用樹脂フィルム巻回装置において
キャタピラ型の搬送手段により前記搬送手段と下流側搬送手段の双方を構成してなる蓋付容器へのシール用樹脂フィルム巻回装置。
The sealing resin film winding apparatus for a lidded container according to claim 2, wherein the sealing resin film is wound on a lidded container configured by the caterpillar type transporting means to constitute both the transporting means and the downstream transporting means. Times equipment.
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JP2010030643A Pending JP2011162258A (en) 2010-02-15 2010-02-15 Seal resin film winding apparatus for container with lid

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JP (1) JP2011162258A (en)

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