JP4156557B2 - Packaging method for infusion bags - Google Patents

Packaging method for infusion bags Download PDF

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JP4156557B2
JP4156557B2 JP2004131883A JP2004131883A JP4156557B2 JP 4156557 B2 JP4156557 B2 JP 4156557B2 JP 2004131883 A JP2004131883 A JP 2004131883A JP 2004131883 A JP2004131883 A JP 2004131883A JP 4156557 B2 JP4156557 B2 JP 4156557B2
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正明 高橋
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General Packer Co Ltd
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Description

本発明は、直線往復式の自動包装機のグリップ対により水平姿勢に保持される包装袋に、二つに折り重ねた状態の輸液バッグを充填して封止を施す包装方法に関する。   The present invention relates to a packaging method in which a packaging bag held in a horizontal position by a grip pair of a linear reciprocating automatic packaging machine is filled with an infusion bag folded in two and sealed.

図３に示す医療用の二室型輸液バッグは、厚手の合成樹脂フィルムを重ね合わせた状態で四方をヒートシール処理されて扁平な長方形形状に形成されており、二つの室１ａ，１ｂの容量が異なるように幅方向に延びるヒートシールを施した隔壁部分４により区画されている。この輸液バッグ１には、幅方向の一端部２に栓部７を、他端部３に栓部８を夫々設けており、自動注入装置により所定量の異なる薬液が室１ａ，１ｂに夫々充填されている。その隔壁部分４は、袋を圧迫することにより破られるように設けられており、使用時に隔壁部分４を破ることによって二つの薬液が混合されるように設けられている。   The medical two-chamber infusion bag shown in FIG. 3 is formed into a flat rectangular shape by heat-sealing four sides with a thick synthetic resin film superimposed, and has a capacity of two chambers 1a and 1b. Are separated by a partition wall portion 4 subjected to heat sealing extending in the width direction. The infusion bag 1 is provided with a plug portion 7 at one end 2 in the width direction and a plug portion 8 at the other end 3, respectively, and a predetermined amount of different chemical solutions are filled into the chambers 1a and 1b by an automatic injection device, respectively. Has been. The partition wall portion 4 is provided so as to be broken by pressing the bag, and the two chemical solutions are mixed by breaking the partition wall portion 4 during use.

この輸液バッグ１は、そのまま袋詰めすれば嵩張るので、通常、図６に示すように、隔壁部分４で二つに折り重ねた状態にて別の大きな包装袋ｂに入れて包装される。   Since the infusion bag 1 is bulky if it is packed as it is, it is usually packaged in another large packaging bag b in a state where the infusion bag 1 is folded in two at the partition wall portion 4 as shown in FIG.

特開２００３−２６１１１９号公報には、第１充填部及び第２充填部に薬液が充填された輸液バッグの上部を保持部材により吊り下げ、その状態で下方の第２充填部をシール部を中心にして折畳みプレートにより持ち上げて上方の第１充填部に折り重ね、その折り重ねた状態の輸液バッグをハンドリング用ロボットの挟持部材により取り出してロータリー式包装機のグリッパで直立姿勢に保持された外装袋内に挿入し、ついで、ロボットの挟持部材の開放動作によって輸液バッグを下方へ移動させて完全に外装袋に収納し、後工程で外装袋の袋口のシールを施すという包装袋の折り畳み挿入方法が開示されている。   In JP-A-2003-261119, the upper part of an infusion bag in which a first filling part and a second filling part are filled with a chemical solution is suspended by a holding member, and in this state, the lower second filling part is centered on the seal part. The folding bag is lifted by the folding plate and folded to the upper first filling section, and the folded infusion bag is taken out by the holding member of the handling robot and is held in the upright posture by the gripper of the rotary packaging machine. Folding bag insertion method in which the infusion bag is moved downward by the opening operation of the clamping member of the robot and then completely stored in the outer bag, and the bag mouth of the outer bag is sealed in a later process Is disclosed.

前記公開特許公報に記載の包装袋の折り畳み挿入方法では、直立姿勢の外装袋に対して、輸液バッグをロボットの挟持部材の開放動作によって落下させて充填しているため、ヒートシールが施された隔壁部分に衝撃を与えることを避けられない。その隔壁部分は袋を圧迫することにより破られるように設けられていることから、なるべくかかる衝撃を与えることは好ましくないと言えよう。
特開２００３−２６１１１９号公報 特公平７−２４９０号公報 In the packaging bag folding insertion method described in the above-mentioned published patent publication, the infusion bag is dropped and filled by the opening operation of the holding member of the robot with respect to the exterior bag in the upright posture, and thus heat sealing is performed. It is inevitable to give an impact to the partition wall. Since the partition wall portion is provided so as to be broken by pressing the bag, it can be said that it is not preferable to give such an impact as much as possible.
JP 2003-261119 A Japanese Patent Publication No. 7-2490

本発明の目的は、輸液バッグの隔壁部分に衝撃を与えることなく当該バッグを包装袋に円滑に充填して品質の優れた包装を行うことができる輸液バッグの包装方法を提供することにある。   The objective of this invention is providing the packaging method of the infusion bag which can fill the said bag into a packaging bag smoothly and give the packaging excellent in quality, without giving an impact to the partition part of an infusion bag.

前記目的を達成するために請求項１に記載した発明の「輸液バッグの包装方法」は、直線部とその両端の半円形部からなる環状通路を水平移動する多数の移動体に夫々設けられたグリップ対を直立姿勢及び水平姿勢に変換自在に設け、袋供給工程で供給される包装袋を各グリップ対により支持して当該包装袋を開口工程、充填工程、ガス置換及びトップシール工程等の各工程に間欠停止させて被包装物の袋詰めを行う直線往復式の包装機を使用する包装方法であって、
前記被包装物としての輸液バッグは、平面から見てほぼ矩形状であって隔壁部分で区画される少なくとも二室に異なる薬液が夫々充填されて密封され、その隔壁部分にて二つに折り重ねた状態とされ、
脱酸素剤投入工程にて、前記グリップ対により袋口を上にして直立姿勢に保持された包装袋内に脱酸素剤を投入し、
充填工程に、輸液バッグを下流側の第２コンベア手段のコンベア部に間欠的に供給する第１コンベア手段と、そのコンベア部の先端側を上下方向に揺動自在とした第２コンベア手段と、輸液バッグが載置される櫛状の支持部材を前進及び後退自在とした押し込み手段と、包装袋内に充填された輸液バッグが該支持部材の後退時に後戻りしないように制止させるストッパー片を該輸液バッグの後端部に対応するように配置したストッパー手段とからなる充填装置を設け、その充填装置において、第１コンベア手段から第２コンベア手段のコンベア部の下流位置に供給される輸液バッグを当該コンベア部の下降動作により前記押し込み手段の支持部材上に載置させ、その支持部材の前進動作によって輸液バッグを、前記グリップ対により水平姿勢に保持されて袋口が開放された状態の包装袋内に充填し、
充填工程の後工程にて、輸液バッグが充填された包装袋を水平姿勢から垂直姿勢に変換し、
ガス置換及びトップシール工程にて、不活性ガスを輸液バッグが充填された包装袋内に充填することによりガス置換を施すと共に当該包装袋の袋口の封止を施し、
製品取出し及び排出工程にて製品たる包装袋を機外に排出させるようにしたことを特徴とする。 In order to achieve the above object, the “infusion bag packaging method” according to the first aspect of the present invention is provided in each of a large number of moving bodies that horizontally move in an annular passage composed of a straight portion and semicircular portions at both ends thereof. Grip pairs are provided so as to be convertible into an upright posture and a horizontal posture, and the packaging bags supplied in the bag supply process are supported by the grip pairs, and the packaging bags are opened, filled, gas replaced, and top-sealed. It is a packaging method that uses a linear reciprocating packaging machine that intermittently stops the process and packs packages.
The infusion bag as the packaged object is substantially rectangular when viewed from above and is filled with different chemical solutions in at least two chambers partitioned by the partition wall, and is folded in two at the partition wall. And
In the oxygen scavenger charging step, the oxygen scavenger is charged into the packaging bag held in an upright posture with the bag mouth up by the grip pair,
A first conveyor means for intermittently supplying the infusion bag to the conveyor section of the second conveyor means on the downstream side in the filling step; a second conveyor means for swinging the front end side of the conveyor section vertically; Pushing means that allows the comb-shaped support member on which the infusion solution bag is placed to move forward and backward, and a stopper piece that stops the infusion bag filled in the packaging bag from being returned when the support member is retracted. A filling device comprising stopper means arranged so as to correspond to the rear end of the bag, in which the infusion bag supplied from the first conveyor means to the downstream position of the conveyor part of the second conveyor means the downward movement of the conveyor unit is placed on the supporting member of the pushing means, a horizontal posture by the infusion bag, the grip pairs by forward movement of the support member Is held filled in the packaging bag in a state where the bag mouth is opened,
After the filling process, the packaging bag filled with the infusion bag is changed from a horizontal posture to a vertical posture,
In the gas replacement and top sealing process, the inert gas is filled into the packaging bag filled with the infusion bag to perform gas replacement and to seal the bag mouth of the packaging bag,
The product packaging bag is discharged out of the machine in the product take-out and discharge process.

この輸液バッグの包装方法は、袋口を横向きにして水平姿勢に保持された包装袋に、充填装置によって輸液バッグの隔壁部分に衝撃を与えることなく当該バッグを円滑に充填し、その後で包装袋を水平姿勢から垂直姿勢に変換するようにしたことにより、品質の優れた包装を行うことができる。   In this infusion bag packaging method, the bag is smoothly filled without impacting the partition wall portion of the infusion bag by a filling device into a packaging bag held in a horizontal position with the bag mouth facing sideways, and then the packaging bag By converting from a horizontal posture to a vertical posture, packaging with excellent quality can be performed.

以下に、本発明の最良の形態例を図面に基づいて説明する。図１は本発明方法を適用した直線往復式包装機の概要を示す平面図、図２は包装工程の内容を順に示す説明図、図３は二室型輸液バッグの説明図、図４は充填装置の平面図、図５は図４のＡ−Ａ線にて破断して示した同充填装置の正面図、図６は輸液バッグが充填されて袋口の封止を施された包装袋（製品）の説明図である。   The best mode of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing an outline of a linear reciprocating packaging machine to which the method of the present invention is applied, FIG. 2 is an explanatory diagram showing the contents of a packaging process in order, FIG. 3 is an explanatory diagram of a two-chamber infusion bag, and FIG. FIG. 5 is a front view of the filling device broken along line AA in FIG. 4, and FIG. 6 is a packaging bag filled with an infusion bag and sealed with a bag mouth (FIG. It is explanatory drawing of a product.

本発明の「輸液バッグの包装方法」を適用した直線往復式の包装機Ｐを図１に示す。この包装機Ｐは、直線部とその両端の半円形部からなる環状通路ｔを水平移動する多数の移動体（図示せず）にグリップ対ｇを包装袋支持角度可変装置（図示せず）によって直立姿勢及び水平姿勢に変換自在に設け、袋供給工程（イ）で１枚ずつ供給される包装袋ｂを各グリップ対ｇにより保持して当該包装袋ｂを、袋姿勢確認工程（ロ）、脱酸素剤投入工程（ニ）、包装袋の水平反転工程（ホ）、開口工程（ヘ）、充填工程（ト）、包装袋の垂直反転工程（チ）、プレガス置換工程（リ）、ガス置換及びトップシール工程（ヌ）、トップシール冷却工程（ル）、製品取出し及び排出工程（カ）の工程等に順次間欠停止させるように構成されている。   FIG. 1 shows a linear reciprocating packaging machine P to which the “infusion bag packaging method” of the present invention is applied. In the packaging machine P, a grip pair g is attached to a large number of moving bodies (not shown) horizontally moving in an annular passage t composed of a straight portion and semicircular portions at both ends thereof by means of a packaging bag support angle varying device (not shown). Provided in an upright posture and a horizontal posture so as to be convertible, and holding the packaging bag b supplied one by one in the bag feeding step (a) by each grip pair g, Oxygen scavenger charging process (d), packaging bag horizontal reversal process (e), opening process (f), filling process (g), packaging bag vertical reversing process (h), pregas replacement process (li), gas replacement And the top seal process (nu), the top seal cooling process (le), the product take-out and discharge process (f), etc.

直線往復式包装機に関しては、本件出願人にかかる特公平６−５５６０９号公報に「包装機の包装袋グリップ装置」、特公平７−２４９０号公報に「包装機の包装袋支持角度可変装置」が掲載されている。そして、その包装機Ｐのグリップ対ｇ、包装袋支持角度可変装置、その他の公知構成については、それらの特許公報に開示されている構成に準ずるので、この明細書では詳しく述べない。   Regarding the linear reciprocating packaging machine, Japanese Patent Publication No. 6-55609 concerning the applicant of the present application “Packaging Bag Grip Device for Packaging Machine” and Japanese Patent Publication No. 7-2490 “Variable Bag Supporting Angle for Packaging Machine” Is posted. Further, the grip pair g of the packaging machine P, the packaging bag support angle varying device, and other known configurations conform to the configurations disclosed in those patent publications, and thus will not be described in detail in this specification.

図３に示すように、被包装物としての二室型輸液バッグ（以下、単に「輸液バッグ」と称する）１は、厚手の合成樹脂フィルムを重ね合わせた状態で四方をヒートシール処理されて扁平な長方形形状に形成されており、二つの室１ａ，１ｂの容量が異なるように短手（幅）方向に延びる隔壁部分４により区画されている。この輸液バッグ１には、短手方向の一端部２に栓部７を、他端部３に栓部８を夫々設けており、自動注入装置より所定量の異なる薬液が室１ａ，１ｂに夫々充填されている。そして、ここで取り扱う輸液バッグ１は、その隔壁部分４にて二つに折り重ねられた状態で水平姿勢とされている。   As shown in FIG. 3, a two-chamber type infusion bag (hereinafter simply referred to as “infusion bag”) 1 as a packaged object is flattened by heat-sealing on all sides with a thick synthetic resin film overlapped. It is formed in a rectangular shape and is partitioned by a partition wall portion 4 extending in the short (width) direction so that the volumes of the two chambers 1a and 1b are different. The infusion bag 1 is provided with a stopper 7 at one end 2 in the short direction and a stopper 8 at the other end 3, and a predetermined amount of different chemical solutions are supplied to the chambers 1a and 1b from the automatic injection device, respectively. Filled. And the infusion bag 1 handled here is made into the horizontal attitude | position in the state folded in two by the partition part 4.

１５は袋供給工程（イ）に付設された公知構成になる製袋装置である。この製袋装置１５は、上下に配置されたロール状に巻かれた包装用フィルムｆをダンシングロール１６，１６等で弛みや蛇行修正を行ないつつ上下に折り重ねて送り出し、図示しない縦シール手段により該フィルムの両側縁にヒートシールを施すと共に図示しない底シール手段により所定長さ毎にヒートシールを施してなる連続状の袋ｂ´をフィルム送り機構１７により間欠的に送り出し、そのフィルム送り機構１７の送り停止時に連続状の袋ｂ´をカッター手段１８により切断して一枚ずつの袋ｂとするように構成されている。この包装袋ｂは、フィルム移送手段１９によって上部を挟持されて袋供給工程（イ）に間欠停止する前記グリップ対ｇに１枚ずつ供給される。   Reference numeral 15 denotes a bag making apparatus having a known configuration attached to the bag supply step (a). The bag making apparatus 15 is configured to fold up and feed a packaging film f wound up in the form of a roll arranged up and down while performing slackening or meandering correction with the dancing rolls 16, 16, etc. The film feeding mechanism 17 intermittently feeds a continuous bag b 'which is heat sealed on both side edges of the film and heat sealed every predetermined length by a bottom sealing means (not shown). When the feeding is stopped, the continuous bag b ′ is cut by the cutter means 18 so as to form the bags b one by one. The packaging bags b are supplied one by one to the grip pair g, the upper part of which is sandwiched by the film transfer means 19 and intermittently stopped in the bag supply process (a).

充填工程（ト）には、輸液バッグ１を包装袋ｂに充填するための充填装置２５を設けている。図４に示すように、この充填装置２５は、第１コンベア手段２８と、第２コンベア手段４０と、押し込み手段５５と、サイドガイド部材６５及びストッパー手段７０とから構成されている。この充填装置２５においては、二つに折り重ねて水平姿勢とされた輸液バッグ１が、前工程から第１コンベア手段の輸液バッグのセット位置（Ｓ１）に自動供給される。 In the filling step (g), a filling device 25 for filling the infusion bag 1 into the packaging bag b is provided. As shown in FIG. 4, the filling device 25 includes a first conveyor means 28, a second conveyor means 40, a pushing means 55, a side guide member 65 and a stopper means 70. In the filling device 25, the infusion bag 1 folded into two and placed in a horizontal posture is automatically supplied from the previous step to the infusion bag setting position (S 1 ) of the first conveyor means.

第１コンベア手段２８については、本体フレーム２６の中央部に水平方向に固定されたコンベアフレーム２９の後端部に駆動軸３０を回転自由に設け、その駆動軸３０に３個の駆動プーリー３１を所定間隔をおいて固定している。その駆動軸３０は、コンベアフレーム２９に設置された第１モータ装置３２によって間欠回転される。また、コンベアフレーム２９の前端部に設けられた固定軸３３には、前記駆動プーリー３１に夫々対応させて３個のプーリー３４を回転自由に設けている。３５は駆動プーリー３１とプーリー３４に夫々掛け渡されたコンベアベルトであり、ここでは公知のアタッチコンベアベルトを用いている。   As for the first conveyor means 28, a drive shaft 30 is rotatably provided at the rear end of the conveyor frame 29 fixed in the horizontal direction at the center of the main body frame 26, and three drive pulleys 31 are provided on the drive shaft 30. It is fixed at a predetermined interval. The drive shaft 30 is intermittently rotated by a first motor device 32 installed on the conveyor frame 29. The fixed shaft 33 provided at the front end of the conveyor frame 29 is provided with three pulleys 34 so as to freely rotate in correspondence with the drive pulleys 31. Reference numeral 35 denotes a conveyor belt that is stretched around the drive pulley 31 and the pulley 34, and here, a known attach conveyor belt is used.

第２コンベア手段４０については、本体フレーム２６に設けられた軸受け４１，４１に、３個の駆動プーリー４３が所定間隔をおいて固定された横軸４２を取り付け、その横軸４２にフレーム４５を揺動可能に支持している。その横軸４２の一端には、スプロケット４６を固定し、そのスプロケット４６と、前記コンベアフレーム２９に設置された第２モータ装置４６の出力軸に固定したスプロケット４６ａとにチェン４７を掛け渡している。   As for the second conveyor means 40, a horizontal shaft 42 in which three drive pulleys 43 are fixed at predetermined intervals is attached to bearings 41, 41 provided on the main body frame 26, and a frame 45 is attached to the horizontal shaft 42. It is swingably supported. A sprocket 46 is fixed to one end of the horizontal shaft 42, and a chain 47 is spanned between the sprocket 46 and a sprocket 46 a fixed to the output shaft of the second motor device 46 installed on the conveyor frame 29. .

上記フレーム４５の一方側には、先端にプーリー４９が回転自由に設けられた３個のアームを所定間隔をおいて配設し、それらのプーリー４９と前記駆動プーリー４３とにコンベア部５０を構成するコンベアベルト５１が夫々掛け渡されている。そのフレーム４５の他方側のアーム４５ａには、本体フレーム２６にヘッド側を取り付けられた空圧シリンダ５２のロッド側が連結されている。   On one side of the frame 45, three arms having pulleys 49 rotatably provided at the tip are arranged at a predetermined interval, and the conveyor unit 50 is configured by the pulleys 49 and the driving pulley 43. Conveying belts 51 are stretched over each. The arm 45a on the other side of the frame 45 is connected to the rod side of a pneumatic cylinder 52 attached to the main body frame 26 at the head side.

しかして、搬送面を水平にしたコンベアベルト５１を第２モータ装置４６により連続回転させるコンベア部５０の先端側を横軸４２を支点として上下方向に揺動自在とした第２コンベア手段４０が構成される。この第２コンベア手段４０は、図４に示すように、平面から見て第１コンベア手段２８の下流側に直線状に配置されている。   Thus, the second conveyor means 40 is constructed in which the front end side of the conveyor section 50 for continuously rotating the conveyor belt 51 with the conveying surface horizontal by the second motor device 46 is swingable in the vertical direction with the horizontal axis 42 as a fulcrum. Is done. As shown in FIG. 4, the second conveyor means 40 is linearly arranged on the downstream side of the first conveyor means 28 as viewed from above.

押し込み手段５５については、図４に示すように、本体フレーム２６に輸液バッグ１の移送方向と同一方向に延びるように配置された左右一対のレール部材５７，５７を設け、それらのレール部材５７，５７にスライドベース５８のスライダ５９，５９を夫々遊嵌して当該スライドベース５８を摺動自在に設けている。それらレール部材５７，５７とスライドベース５８によりスライド機構５６を構成している。そのスライドベース５８には、４個の櫛状の支持部材６０を同一間隔で平行に配置し、それらの先端側６０ａを前方に突出すると共に各上面を第２コンベア手段４０のコンベアベルト５１の搬送面よりも少しだけ低い位置とするように設けている。そして、その支持部材６０は、図示しない駆動源によりカムとレバー機構を作動させることによって前進及び後退自在に設けられている。   As for the pushing means 55, as shown in FIG. 4, a pair of left and right rail members 57, 57 are provided on the main body frame 26 so as to extend in the same direction as the transfer direction of the infusion bag 1, and the rail members 57, The sliders 59 and 59 of the slide base 58 are loosely fitted to 57, and the slide base 58 is slidably provided. The rail members 57, 57 and the slide base 58 constitute a slide mechanism 56. On the slide base 58, four comb-like support members 60 are arranged in parallel at the same interval, their tip ends 60a protrude forward, and each upper surface is conveyed by the conveyor belt 51 of the second conveyor means 40. The position is set to be slightly lower than the surface. The support member 60 is provided so as to be able to move forward and backward by operating a cam and a lever mechanism by a drive source (not shown).

６５は図５に示す輸液バッグの充填位置（Ｓ２）で上記押し込み手段５５の支持部材６０の先端側６０ａ付近に配置され、図示しない公知の駆動機構により前進及び後退動作を制御されるように設けられた左右一対のサイドガイド部材である。このサイドガイド部材６５は、前進時に先端をすぼめて水平姿勢にて待機する包装袋ｂの袋口ｃに対して挿入可能に設けられている。 Reference numeral 65 denotes an infusion bag filling position (S 2 ) shown in FIG. 5, which is arranged in the vicinity of the distal end side 60a of the support member 60 of the pushing means 55 so that the forward and backward movements are controlled by a known drive mechanism (not shown). It is a pair of left and right side guide members provided. The side guide member 65 is provided so that it can be inserted into the bag mouth c of the packaging bag b that is in a horizontal position with its tip constricted when moving forward.

ストッパー手段７０については、図５に示すように、本体フレーム２６に一対のガイドバー７１を縦向きに取り付け、そのガイドバー７１にスライド部材７２を摺動自由に設ける。そのスライド部材７２は、空圧シリンダ７３により昇降自在に設けられている。また、スライド部材７２には、一対のガイドバー７６を水平方向に遊嵌することにより移動自由とされた移動部材７５を設けている。   As for the stopper means 70, as shown in FIG. 5, a pair of guide bars 71 are vertically attached to the main body frame 26, and a slide member 72 is slidably provided on the guide bar 71. The slide member 72 is provided so as to be movable up and down by a pneumatic cylinder 73. Further, the slide member 72 is provided with a moving member 75 that is freely movable by loosely fitting a pair of guide bars 76 in the horizontal direction.

移動部材７５の端板７７には、本体フレーム２６に揺動自由に設けられたレバー８０の先端部８０ａが摺動可能に係合されている。そのレバー８０には、本体フレーム２６に揺動自由に設けられたレバー８１に一端を連結したリンク８２の他端が連結されている。また、本体フレーム２６に揺動自由に支持された駆動レバー８３には、ほぼ中間位置にカムフォロア８４を取り付け、その先端部８３ａに一端８５ａを連結したロッド８５の他端８５ｂを上記レバー８１とリンク８２の連結部に取り付けている。そのカムフォロア８４については、円形カム８７の外周面にバネにより弾圧されるように設けられている。   The end plate 77 of the moving member 75 is slidably engaged with a front end portion 80a of a lever 80 provided on the main body frame 26 so as to freely swing. The lever 80 is connected to the other end of a link 82 having one end connected to a lever 81 that is freely swingable on the main body frame 26. Further, a cam follower 84 is attached to the drive lever 83 supported by the main body frame 26 so as to freely swing, and the other end 85b of the rod 85 having one end 85a connected to the tip 83a is linked to the lever 81. 82 is attached to the connecting portion. The cam follower 84 is provided on the outer peripheral surface of the circular cam 87 so as to be elastically pressed by a spring.

しかして、ストッパー手段７０では、図示しない駆動源により円形カム８７を駆動回転させて駆動レバー８３を揺動させ、その運動をロッド８５に伝動してレバー８０を前後方向に揺動させ、これと同時に、空圧シリンダ７３の作動によりスライド部材７２を移動させることにより、押し込み手段５５の支持部材６０上に順次供給される輸液バッグ１の後端部に対応するように配置したストッパー片７８を該支持部材６０の前進動作に追随させ、かつ、包装袋ｂ内に充填された輸液バッグ１が当該支持部材６０の後退時に後戻りしないように該ストッパー片７８によって制止されるように構成されている。   Thus, in the stopper means 70, the circular cam 87 is driven and rotated by a drive source (not shown) to swing the drive lever 83, the movement is transmitted to the rod 85, and the lever 80 is swung back and forth. At the same time, by moving the slide member 72 by the operation of the pneumatic cylinder 73, the stopper piece 78 disposed so as to correspond to the rear end portion of the infusion bag 1 sequentially supplied onto the support member 60 of the pushing means 55 is provided. The infusion bag 1 that follows the forward movement of the support member 60 and is filled in the packaging bag b is restrained by the stopper piece 78 so that it does not return when the support member 60 is retracted.

つぎに、本発明の「輸液バッグの包装方法」を上述した包装機Ｐの構成に基づいて説明する。
（１）袋供給工程（イ）において、製袋装置１５により一枚ずつ製作される包装袋ｂは、フィルム移送手段１９によって上部を挟持されて間欠停止するグリップ対ｇに１枚ずつ供給されて直立姿勢に保持される。
（２）袋姿勢確認工程（ロ）において、包装袋ｂがグリップ対ｇに傾いた姿勢で挟持されているか、片方のみで挟持されているか否かについて確認される。
（３）脱酸素剤投入工程（ニ）において、一対の吸盤２１の真空吸着動作により開口された包装袋ｂ内に、図示しない脱酸素剤供給装置から脱酸素剤１０が１個ずつ投入される。
（４）包装袋の水平反転工程（ホ）において、包装袋支持角度可変装置によりグリップ対ｇの姿勢を変換させることにより、包装袋ｂが直立姿勢から水平姿勢に変換される。
（５）開口工程（ヘ）において、一対の吸盤２２の真空吸着動作によって包装袋ｂの袋口ｃが開放される。
（６）被包装物の充填工程（ト）において、充填装置２５により押し込み手段５５の櫛状の支持部材６０上に載置された二つに折り重ねた状態の輸液バッグ１が、その支持部材６０の前進動作によってサイドガイド部材６５で案内されつつ、隔壁部分４に衝撃を与えられることなく円滑に包装袋ｂ内へ自動充填される。
（７）包装袋の垂直反転工程（チ）において、輸液バッグ１を充填した包装袋ｂは、包装袋支持角度可変装置により水平姿勢から垂直姿勢に変換される。
（８）プレガス置換工程（リ）において、ヘリウムと窒素を混合した不活性ガスが、ノズル９１から少量充填されて包装袋ｂ内の空気を追い出して不活性ガスと入れ替える置換が行なわれる。
（９）ガス置換及びトップシール工程（ヌ）において、前工程と同様に、複合ノズル９２にて不活性ガスを包装袋ｂに充填すると共に当該包装袋ｂ内の空気を吸引する。これとほぼ同時に、公知のシール手段の溶封バー９５により袋口ｃの封止が施される（図６）。
（１０）ついで、トップシール冷却工程（ル）において、公知の冷却手段の冷却バー９６により袋口ｃのシール部分の冷却が施される。
（１１）製品取出し及び排出工程（カ）において、グリップ対ｇの開放動作によって製品としての包装袋ｂが解放され機外に排出される。 Next, the “infusion bag packaging method” of the present invention will be described based on the configuration of the packaging machine P described above.
(1) In the bag supply step (A), the packaging bags b produced one by one by the bag making apparatus 15 are supplied one by one to the grip pair g that is sandwiched and stopped intermittently by the film transfer means 19. Hold in an upright position.
(2) In the bag posture confirmation step (b), it is confirmed whether or not the packaging bag b is held in a posture inclined to the grip pair g or only one side.
(3) In the oxygen scavenger charging step (d), the oxygen scavenger 10 is charged one by one from the oxygen scavenger supply device (not shown) into the packaging bag b opened by the vacuum suction operation of the pair of suction cups 21. .
(4) In the horizontal inversion step (e) of the packaging bag, the packaging bag b is converted from the upright posture to the horizontal posture by changing the posture of the grip pair g by the packaging bag support angle varying device.
(5) In the opening step (f), the bag mouth c of the packaging bag b is opened by the vacuum suction operation of the pair of suction cups 22.
(6) In the filling step (g) of the article to be packaged, the infusion bag 1 folded in two and placed on the comb-like support member 60 of the pushing means 55 by the filling device 25 is the support member. While being guided by the side guide member 65 by the forward movement of 60, the packaging bag b is automatically filled smoothly without being impacted.
(7) In the vertical inversion step (h) of the packaging bag, the packaging bag b filled with the infusion bag 1 is converted from a horizontal posture to a vertical posture by the packaging bag support angle varying device.
(8) In the pre-gas replacement step (I), a replacement is performed in which a small amount of an inert gas mixed with helium and nitrogen is filled from the nozzle 91 to expel the air in the packaging bag b and replace it with the inert gas.
(9) In the gas replacement and top sealing step (N), as in the previous step, the composite nozzle 92 fills the packaging bag b with an inert gas and sucks the air in the packaging bag b. At substantially the same time, the bag mouth c is sealed by a welding bar 95 of a known sealing means (FIG. 6).
(10) Next, in the top seal cooling step (l), the sealing portion of the bag mouth c is cooled by a cooling bar 96 of a known cooling means.
(11) In the product take-out and discharge step (f), the packaging bag b as the product is released and discharged out of the machine by the opening operation of the grip pair g.

以上に述べた通り、この輸液バッグの包装方法によれば、袋口を横向きにして水平姿勢に保持された包装袋に、充填装置によって輸液バッグの隔壁部分に衝撃を与えることなく当該バッグを円滑に充填し、その後で包装袋を水平姿勢から垂直姿勢に変換するようにしたことにより、品質の優れた包装を行うことができる。   As described above, according to this method for packaging an infusion bag, the bag can be smoothly applied to the packaging bag held in a horizontal position with the bag mouth facing sideways without impacting the partition wall portion of the infusion bag by a filling device. After that, the packaging bag is converted from the horizontal posture to the vertical posture, so that packaging with excellent quality can be performed.

本発明方法を適用した直線往復式包装機の概要を示す平面図The top view which shows the outline | summary of the linear reciprocating packaging machine to which this invention method is applied 包装工程の内容を順に示す説明図Explanatory drawing which shows contents of packing process in order 二室型輸液バッグの説明図Illustration of a two-chamber infusion bag 充填装置の平面図Top view of filling device 図４のＡ−Ａ線にて破断して示した同充填装置の正面図FIG. 4 is a front view of the filling device broken along line AA in FIG. 輸液バッグが充填されて袋口の封止を施された包装袋（製品）の説明図Illustration of a packaging bag (product) filled with an infusion bag and sealed at the bag mouth

符号の説明Explanation of symbols

Ｐ・・・直線往復式包装機
ｇ・・・グリップ対
ｂ・・・包装袋
ｃ・・・袋口
１・・・輸液バッグ
１ａ，１ｂ・・・室
４・・・隔壁
１０・・・脱酸素材
１５・・・製袋装置
２５・・・充填装置
２８・・・第１コンベア手段
４０・・・第２コンベア手段
５０・・・コンベア部
５５・・・押し込み手段
６０・・・支持部材
７０・・・ストッパー手段
７８・・・ストッパー片 P ... linear reciprocating packaging machine g ... grip pair b ... packaging bag c ... bag mouth 1 ... infusion bag 1a, 1b ... chamber 4 ... partition 10 ... removal Acid material 15 ... bag making apparatus 25 ... filling apparatus 28 ... first conveyor means 40 ... second conveyor means
50 ... Conveyor section
55 ... Pushing means 60 ... Support member 70 ... Stopper means
78 ... Stopper piece

Claims (1)

直線部とその両端の半円形部からなる環状通路を水平移動する多数の移動体に夫々設けられたグリップ対を直立姿勢及び水平姿勢に変換自在に設け、袋供給工程で供給される包装袋を各グリップ対により支持して当該包装袋を開口工程、充填工程、ガス置換及びトップシール工程等の各工程に間欠停止させて被包装物の袋詰めを行う直線往復式の包装機を使用する包装方法であって、
前記被包装物としての輸液バッグは、平面から見てほぼ矩形状であって隔壁部分で区画される少なくとも二室に異なる薬液が夫々充填されて密封され、その隔壁部分にて二つに折り重ねた状態とされ、
脱酸素剤投入工程にて、前記グリップ対により袋口を上にして直立姿勢に保持された包装袋内に脱酸素剤を投入し、
充填工程に、輸液バッグを下流側の第２コンベア手段のコンベア部に間欠的に供給する第１コンベア手段と、そのコンベア部の先端側を上下方向に揺動自在とした第２コンベア手段と、輸液バッグが載置される櫛状の支持部材を前進及び後退自在とした押し込み手段と、包装袋内に充填された輸液バッグが該支持部材の後退時に後戻りしないように制止させるストッパー片を該輸液バッグの後端部に対応するように配置したストッパー手段とからなる充填装置を設け、その充填装置において、第１コンベア手段から第２コンベア手段のコンベア部の下流位置に供給される輸液バッグを当該コンベア部の下降動作により前記押し込み手段の支持部材上に載置させ、その支持部材の前進動作によって輸液バッグを、前記グリップ対により水平姿勢に保持されて袋口が開放された状態の包装袋内に充填し、
充填工程の後工程にて、輸液バッグが充填された包装袋を水平姿勢から垂直姿勢に変換し、
ガス置換及びトップシール工程にて、不活性ガスを輸液バッグが充填された包装袋内に充填することによりガス置換を施すと共に当該包装袋の袋口の封止を施し、
製品取出し及び排出工程にて製品たる包装袋を機外に排出させるようにしたことを特徴とする輸液バッグの包装方法。 A grip pair provided in each of a large number of moving bodies that horizontally move in an annular passage composed of a straight portion and semicircular portions at both ends thereof is provided so as to be convertible into an upright posture and a horizontal posture, and a packaging bag supplied in a bag supply step Packaging using a linear reciprocating packaging machine that supports each grip pair and intermittently stops the packaging bag in the opening process, filling process, gas replacement process, top sealing process, etc. A method,
The infusion bag as the packaged object is substantially rectangular when viewed from above and is filled with different chemical solutions in at least two chambers partitioned by the partition wall, and is folded in two at the partition wall. And
In the oxygen scavenger charging step, the oxygen scavenger is charged into the packaging bag held in an upright posture with the bag mouth up by the grip pair,
A first conveyor means for intermittently supplying the infusion bag to the conveyor section of the second conveyor means on the downstream side in the filling step; a second conveyor means for swinging the front end side of the conveyor section vertically; Pushing means that allows the comb-shaped support member on which the infusion solution bag is placed to move forward and backward, and a stopper piece that stops the infusion bag filled in the packaging bag from being returned when the support member is retracted. A filling device comprising stopper means arranged so as to correspond to the rear end of the bag, in which the infusion bag supplied from the first conveyor means to the downstream position of the conveyor part of the second conveyor means the downward movement of the conveyor unit is placed on the supporting member of the pushing means, a horizontal posture by the infusion bag, the grip pairs by forward movement of the support member Is held filled in the packaging bag in a state where the bag mouth is opened,
After the filling process, the packaging bag filled with the infusion bag is changed from a horizontal posture to a vertical posture,
In the gas replacement and top sealing process, the inert gas is filled into the packaging bag filled with the infusion bag to perform gas replacement and to seal the bag mouth of the packaging bag,
A packaging method for an infusion bag, characterized in that a packaging bag as a product is discharged out of the machine in a product removal and discharge process.
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CN113264229B (en) * 2021-06-03 2022-08-19 华夏生生药业(北京)有限公司 Medical infusion soft bag filling machine
CN114131943B (en) * 2022-01-04 2024-07-23 成都青山利康药业股份有限公司 Large transfusion soft bag injection molding catheter broken plug assembling machine and assembling method
CN117048889B (en) * 2023-10-11 2024-01-02 湖南大道新材料有限公司 Double-sub-bag filling equipment

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* Cited by examiner, † Cited by third party
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KR101334813B1 (en) * 2012-02-17 2013-11-29 백우인 Apparatus for assying bag for containing medical solution
CN105292611A (en) * 2015-11-23 2016-02-03 长春恒驰科技有限公司 Soft bag separating type welding system, production line and method

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