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JP2004284663A - Medicine packaging apparatus - Google Patents

Medicine packaging apparatus Download PDF

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Publication number
JP2004284663A
JP2004284663A JP2003081631A JP2003081631A JP2004284663A JP 2004284663 A JP2004284663 A JP 2004284663A JP 2003081631 A JP2003081631 A JP 2003081631A JP 2003081631 A JP2003081631 A JP 2003081631A JP 2004284663 A JP2004284663 A JP 2004284663A
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JP
Japan
Prior art keywords
medicine
packaging sheet
packaging
sheet
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003081631A
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Japanese (ja)
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JP2004284663A5 (en
JP4298343B2 (en
Inventor
Shoji Yuyama
正二 湯山
Chuji Takeda
仲治 竹田
Norifumi Koike
教文 小池
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Yuyama Manufacturing Co Ltd
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Yuyama Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yuyama Manufacturing Co Ltd filed Critical Yuyama Manufacturing Co Ltd
Priority to JP2003081631A priority Critical patent/JP4298343B2/en
Priority to CNB2004100304249A priority patent/CN100448747C/en
Priority to KR1020040019544A priority patent/KR101020276B1/en
Priority to TW093107795A priority patent/TWI294860B/en
Publication of JP2004284663A publication Critical patent/JP2004284663A/en
Publication of JP2004284663A5 publication Critical patent/JP2004284663A5/ja
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Publication of JP4298343B2 publication Critical patent/JP4298343B2/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K77/00Landing-nets for fishing; Landing-spoons for fishing
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K73/00Drawn nets
    • A01K73/02Trawling nets
    • A01K73/06Hauling devices for the headlines

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Basic Packing Technique (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a medicine packaging apparatus producing no lug deviation of a packaging sheet and further producing no blow-by of a medicine. <P>SOLUTION: This medicine packaging apparatus comprises a sheet feeding unit 8 for feeding an elongated packaging sheet 11 folded into two segments in advance along a longitudinal direction; triangular-shaped members 28, 60 for opening the packaging sheet 11 supplied from the sheet feeding unit 8; a medicine introducing hopper 9 for use in introducing the medicine from the opening of the packaging sheet 11; and sealing units 10, 60 for use in sealing the packaging sheet 11 so as to enclose the introduced medicine while holding the packaging sheet 11. Then, there is provided a holding device 30 for holding a part near the folded portion of the packaging sheet 11 through rollers 34 between the triangular-shaped members 28, 60 and the medicine introducing hopper. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は錠剤や散薬等の薬剤を包装する薬剤包装装置に関する。
【0002】
【従来の技術】
従来、錠剤や散薬等の薬剤を処方に基づいて1回服用分づつ包装する薬剤包装装置が種々提供されている。なかでも、予め長手方向に2つ折りされた細長い包装シートを巻回したロールを使用するものがある。
【0003】
この装置では、図9,図10に示すように、ロールから2つ折りの包装シート100を供給し、該包装シート100を三角板101により開口し、その開口からホッパーノズル102により1包分の薬剤を導入した後、該薬剤を閉じこ込めるように包装シート100をヒーターローラ103よりシールするようになっている。前記ヒーターローラ103は、包装シート100の開口縁を長手方向にシールする横シール104と、該包装シート100を横切るように開口縁から折り目までをシールする縦シール105とを行う。
【0004】
【発明が解決しようとする課題】
しかしながら、従来の薬剤包装装置では、ヒータローラ103により包装シート100をシールした後に、包装シート100の両縁100a,100bが一致せずに所謂耳ズレが生じることがあった。また、包装シート100に薬剤を導入する際に、薬剤が矢印で示すように三角板101の下端と包装シート100の折目101cとの間から吹き抜けて、次の処方の薬剤に混入することがあった。
【0005】
本発明は前記従来の問題に鑑みてなされたもので、包装シートの耳ズレが無く、薬剤の吹き抜けが生じない薬剤包装装置を提供することを課題とするものである。
【0006】
【課題を解決するための手段】
前記課題を解決するために、本発明は、予め長手方向に沿って二つ折りされた細長い包装シートを供給するシート供給部と、該シート供給部から供給される前記包装シートを開口する三角部材と、前記包装シートの開口から薬剤を導入する薬剤導入ホッパと、前記包装シートを挟む導入された薬剤を閉じ込めるように前記包装シートをシールするシール部とを備えた薬剤包装装置において、前記三角部材と前記薬剤導入ホッパの間に前記包装シートの折目近傍をローラを介して挟持する挟持装置を設たものである。
【0007】
前記挟持装置は、基板にピンを中心に回動可能に設けた1対の挟持片を有し、該1対の挟持片は、先端に前記ローラを有するとともに、前記ピンを中心として互いに協働して回動し、前記1対の挟持片の一方に、駆動レバーを延設するとともに、該駆動レバーを回動させて前記1対の挟持片を開閉する駆動手段を設ける。前記1対の挟持片は、ローラが開く方向に付勢するバネを有することが好ましい。
【0008】
前記駆動手段は、モータと、該モータの駆動軸に設けたカムと、前記駆動レバーの先端に設けられ前記カムに摺接するカムローラとからなる。
【0009】
前記駆動手段は、前記包装シートの移動中に前記1対の挟持片を開き、前記包装シートが停止して該包装シートに前記薬剤導入ホッパから薬剤が導入されるきに前記1対の挟持片を閉じるように、前記駆動レバーを回動させる。
【0010】
【発明の実施の形態】
以下、本発明の実施の形態を添付図面に従って説明する。
【0011】
図1は、本発明にかかる薬剤包装装置1を示す。この薬剤包装装置1は、外側に、錠剤手撒装置2、散薬を投入する2つのホッパ3、制御装置4、薬剤排出部5、該薬剤排出部5から排出される薬剤を上方に搬送するコンベヤ6を有する。内部には、図示しないが、前記ホッパ3から投入された散薬が均一に堆積する環状溝を有する円盤、該円盤の環状溝に堆積した散薬を掻き出す掻出装置、該掻出装置から掻き出された散薬と前記錠剤手撒装置2から落下する錠剤とを収集するホッパ、該ホッパで収集された薬剤を包装して薬剤排出部5から排出する図2に示す包装装置7等の公知の装置が設けられている。
【0012】
包装装置7は、図2に示すように、シート供給部8と、被包装物導入部としてのホッパ9と、シール部10とからなっている。
【0013】
シート供給部8は、予め長手方向に2つ折りされた細長い包装シート11を巻回したロール12を着脱可能に支持するロール軸13と、前記ロール12から上方に引き出された包装シート11を略水平に方向変換する第1ローラ14と、該第1ローラ14を通過した包装シート11を折り返して略水平方向に導く第2ローラ15と、該第2ローラ15を通過した包装シート11を上方に方向変換する第3ローラ16と、該第3ローラ16を通過した包装シート11を斜め下方に方向変換する第4ローラ17からなっている。前記第2ローラ15と第3ローラ16の間を通過する包装シート11の上方には、当該包装シート11に患者名、服用時期等の情報を印刷するプリンタ18が配設されている。第4ローラ17により斜め下方に方向変換される包装シート11はその折り目が下になるように供給される。第4ローラ17の外周面の上半分を覆うようにカバー17aが設けられ、これにより上流側の包装シート11が惰性で弛んで第4ローラ17との接触部がずれるのを防止するようになっている。
【0014】
ホッパ9は、前記散薬掻出装置(不図示)および錠剤手撒装置2から1回服用分の散薬、錠剤を受け入れて、これらの薬剤を前記シート供給部8から供給される包装シート11に導入するものである。ホッパ9は、合成樹脂からなり、出口には前記包装シート11の開口に挿入されるノズル19を有している。ホッパ9の外面には取手20が取り付けられ、フレーム21に着脱可能になっている。
【0015】
シール部10は、図3に示すように、互いに接して同期回転可能に支持された1対のヒーターローラ22a,22bからなっている。各ヒーターローラ22a,22bは、両側端面に縦シール用の加熱面23を有する板状の中間部24と、該中間部24の上端にあって外周に横シール用の加熱面25を有する上ローラ部26と、前記中間部24の下端にあって前記上ローラ部26と同一形状の下ローラ部27とからなっている。この1対のヒーターローラ22a,22bの間に前記シート供給部8から供給される包装シート11が通過して、上ローラ部26の横シール用加熱面25により包装シート11の開口縁を長手方向にシールするとともに、中間部24の縦シール用加熱面23により当該包装シート11を横切るように開口縁から折り目までをシールして、前記ホッパ9により導入された薬剤を閉じこ込めるようになっている。
【0016】
前記ホッパ9のノズル19と前記シート供給部8の第4ローラ17との間には、金属製の三角板28が配設されている。この三角板28は、2つ折りされた包装シート11の重ね合わせ部にその頂部を挿入されて、該包装シート11を略V字型に開口するようになっている。三角板28は、上端部の耳部29を介してフレームに取り付けられている。
【0017】
ホッパ9のノズル19の上流側には、包装シート11の折目部分を挟持可能な挟持装置30が配設されている。この挟持装置30は、図4に示すように、L字形の1対の挟持片31a,31bをピン32により回動可能に基板33に取り付けたものである。各挟持片31a,31bの先端にはローラ34が取り付けられ、基端にはピン32を中心とする円弧上にセグメントギヤ35が形成されている。各挟持片31a,31bのセグメントギヤ35は互いに噛合し、挟持片31a、31bが互いに協働して回動するようになっている。このセグメントギヤ35の代わりに、互いに圧接するローラとしてもよい。一方の挟持片31bには駆動レバー36が延設され、該駆動レバー36の先端にはカムローラ37が取り付けられている。1対の挟持片31a,31bは、図示しないバネにより開く方向に付勢されている。挟持装置30の近傍には、該挟持装置30を駆動する駆動装置38が設けられている。この駆動装置38は、支持板39にモータ40を取り付け、該モータ40の駆動軸にカム機構41を取り付けたものである。カム機構41は、モータ40の駆動軸に固着した円盤42と、該円盤42の端面の偏心位置に取り付けたカム43とからなっている。そして、カム43の外周面に前記挟持装置30のカムローラ37が圧接している。
【0018】
駆動装置38のモータ40が駆動し、図5(A)に示すように、カム43が円盤42の最下位置しているときは、挟持片31a,31bが開いており、円盤42が時計回りに回動してカム43が上方に移動するにつれ、カムローラ37が上方に押し上げられて駆動レバー36が反時計回りに回動し、カム43が最上位置にきた時点で挟持片31a,31bが閉じて包装シート11をその折り目側から挟持するようになっている。カム43が最下位置と最上位置にあるときは、カム43の端面と円盤42の外周面に埋設された第1磁石44,第2磁石45を第1センサ46と第2センサ47が検出するようになっている。
【0019】
次に、前記構成からなる薬剤包装装置1の動作について説明する。
【0020】
まず、図2に示すように、シート供給部8のロール軸13に包装シート11のロール12を取り付け、該包装シート11の先端を、2点鎖線で示すように、第1ローラ14から第4ローラ17まで導き、シール部10の1対のヒーターローラ22a,22b間に挿入する。次に、三角板28を包装シート11の中に挿入し、ホッパ9を取りつけてそのノズル19を包装シート11の中に挿入する。
【0021】
ヒーターローラ22a,22bを回転駆動すると、ロール12から包装シート11が順次繰り出される。シート供給部8の第4ローラ17から斜め下方に方向変換された包装シート11は、三角板28によって開口される。ホッパ9に供給された1回服用分の薬剤はノズル19を通って包装シート11の内部に導入される。次に、ヒーターローラ22a,22bの横シール用加熱面25により包装シート11の開口の縁部がシールされ、続いて縦シール用加熱面23により包装シート11の開口から折り目までがシールされる。これにより、薬剤は1つの横シール部48と2つの縦シール部49と折目50によって囲まれて封じ込められる。このように、1回服用分の薬剤が順次包装され、包装シート11は包装帯51となって図1の薬剤排出部5から斜め下方に排出され、コンベヤ6で上方に搬送される。
【0022】
一方、挟持装置30の1対の挟持片31a、31bは、駆動装置38のモータ40が1回転する毎に開閉し、包装シート11の折目部分をローラ34を介して挟持するので、包装シート11の折目がずれて両縁部に目違いが生じることはない。また、挟持装置30は、包装シート11の移動中は開いており、包装シート11が停止してホッパ9のノズル19から薬剤が導入されるときに閉じるようにすると、ノズル19から導入されて包装シート11に落下する際に、薬剤がノズル19より上流側に飛散して、次に包装される薬剤に混入するのが防止される。
【0023】
前記実施形態では、三角部材として金属製の三角板28を用いたが、この代わりに図6に示すように、合成樹脂からなるブロック状の三角体52を使用してもよい。この三角体52は、下部が逆三角形になった板状の基部53と、該基部53の略下半分から突出する略三角錐形のブロック部54とからなっている。ブロック部52は中空に成形されている。三角体52には、基部53の両側縁からブロック部54の斜面に沿って延び、かつ、僅かに外側に隆起する押圧部55が形成されている。基部53の下端からブロック部54の斜面に沿って稜線56が延び、該稜線56の両側に斜面がV字形に形成されている。この三角体52は、図7に示すように、基部53の上端に取り付けた金具57によりフレーム21に取り付け、ブロック部54がノズル19と反対側に向き、かつ、稜線56が包装シート11の折目に沿うように調整する。この三角体52の押圧部55により、ヒーターローラ22a,22bによる包装シート11のシール時に、包装シート11に皺が発生するのが防止される。また、ブロック部54の稜線56により、2点鎖線で示すように、包装シート11の折目部分に弛み57が発生するのが防止される。この弛み57の防止効果との相乗効果により、前記挟持装置30のローラ34による耳ズレがさらに有効に防止される。
【0024】
また、前記実施形態では、ヒーターローラ22a,22bからなるシール部10を使用したが、本発明の構成要素であるシール部はこれに限定されるものではなく、図8に示すような所謂パック式のシール部60でもよい。このシール部60は、横シール用加熱面61と縦シール用加熱面62とを配設した矢印方向に移動可能な可動プレート63と、前記加熱面61,62に対応する部分に図示しないスポンジを設けた固定プレート64とで包装シート11を挟むことで、横シールと縦シールを同時に行う。
【0025】
さらに、前記実施形態では、シート供給部8は、第1ローラ14から第4ローラ17を使用して方向変換させたが、方向変換させずにロール12から真直ぐにホッパ9およびヒーターローラ22a,22bに向かって供給するようにしてもよい。
【0026】
【発明の効果】
以上の説明から明らかなように、本発明によれば、三角板と薬剤導入ホッパの間に包装シートの折目近傍をローラを介して挟持する挟持部材を設けたので、ローラにより包装シートの折目が押さえられ、包装シートの折目がずれて両縁部に耳ズレが生じることはない。
【0027】
駆動手段は、包装シートの移動中に1対の挟持片を開き、包装シートが停止して該包装シートに薬剤導入ホッパから薬剤が導入されるきに1対の挟持片を閉じるように、駆動レバーを回動させるので、薬剤が上流側に飛散して、次に包装される薬剤に混入するのが防止される。
【図面の簡単な説明】
【図1】本発明の錠剤包装装置の斜視図。
【図2】図1の内部の包装装置の斜視図。
【図3】図2の包装装置の概略正面図。
【図4】挟持装置の斜視図。
【図5】挟持装置の開いた状態(A)と閉じた状態(B)を示す正面図。
【図6】三角部材の変形例を示す正面図。
【図7】図6の三角部材を使用した包装装置の概略正面図。
【図8】パック式のヒートシール装置の斜視図。
【図9】従来の包装装置の概略正面。
【図10】図9の包装装置のX方向から見た矢視図。
【符号の説明】
1 薬剤包装装置
8 シート供給部
9 ホッパ(被包装物導入部)
10 シール部
11 包装シート
28 三角板
30 挟持装置
31a,31b 挟持片
32 ピン
33 基板
34 ローラ
35 セグメントギヤ
36 駆動レバー
37 カムローラ
38 駆動装置
40 モータ
41 カム機構
43 カム
52 三角体
60 シール部
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a medicine packaging device for packing medicines such as tablets and powders.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there have been provided various medicine packaging apparatuses for packaging medicines such as tablets and powdered medicines in a single dose based on a prescription. Among others, there is a device that uses a roll in which an elongated packaging sheet that has been folded in advance in the longitudinal direction is wound.
[0003]
In this apparatus, as shown in FIGS. 9 and 10, a two-fold wrapping sheet 100 is supplied from a roll, the wrapping sheet 100 is opened by a triangular plate 101, and one package of medicine is supplied from the opening by a hopper nozzle 102. After the introduction, the packaging sheet 100 is sealed by the heater roller 103 so as to confine the medicine. The heater roller 103 performs a horizontal seal 104 that seals the opening edge of the packaging sheet 100 in the longitudinal direction, and a vertical seal 105 that seals from the opening edge to the fold so as to cross the packaging sheet 100.
[0004]
[Problems to be solved by the invention]
However, in the conventional medicine packaging apparatus, after the packaging sheet 100 is sealed by the heater roller 103, the edges 100a and 100b of the packaging sheet 100 may not coincide with each other, resulting in so-called misalignment. Further, when introducing the medicine into the packaging sheet 100, the medicine may blow through from between the lower end of the triangular plate 101 and the fold 101c of the packaging sheet 100 as shown by an arrow, and may be mixed into the medicine of the next prescription. Was.
[0005]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and has as its object to provide a medicine packaging apparatus that does not cause misalignment of a packaging sheet and does not generate a medicine blow-through.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a sheet supply unit that supplies an elongated packaging sheet that has been folded in advance along the longitudinal direction, and a triangular member that opens the packaging sheet supplied from the sheet supply unit. A medicine introduction hopper for introducing a medicine from an opening of the packaging sheet, and a medicine packaging device including a sealing portion for sealing the packaging sheet so as to confine the introduced medicine sandwiching the packaging sheet, wherein the triangular member and A holding device is provided between the medicine introduction hoppers for holding the vicinity of the fold of the packaging sheet via a roller.
[0007]
The holding device includes a pair of holding pieces provided on the substrate so as to be rotatable about pins. The pair of holding pieces have the roller at a tip and cooperate with each other about the pins. And a driving means for extending a driving lever on one of the pair of holding pieces and rotating the drive lever to open and close the pair of holding pieces. It is preferable that the pair of holding pieces have a spring that urges the roller in a direction in which the roller opens.
[0008]
The drive means includes a motor, a cam provided on a drive shaft of the motor, and a cam roller provided at a tip of the drive lever and in sliding contact with the cam.
[0009]
The driving unit opens the pair of holding pieces during movement of the packaging sheet, and the pair of holding pieces is opened when the packaging sheet stops and a medicine is introduced into the packaging sheet from the medicine introduction hopper. The drive lever is rotated to close the drive lever.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
[0011]
FIG. 1 shows a medicine packaging device 1 according to the present invention. The medicine packaging apparatus 1 includes a tablet dispensing apparatus 2, two hoppers 3 for charging powder, a control device 4, a medicine discharge section 5, and a conveyor for conveying the medicine discharged from the medicine discharge section 5 upward. 6. Inside, although not shown, a disk having an annular groove on which the powder supplied from the hopper 3 is uniformly deposited, a scraping device for scraping the powder deposited on the annular groove of the disk, and a scraping device scraped from the scraping device A known device such as a hopper for collecting the powdered medicine and the tablets falling from the tablet manual dispersing device 2 and a packaging device 7 shown in FIG. Is provided.
[0012]
As shown in FIG. 2, the packaging device 7 includes a sheet supply unit 8, a hopper 9 as a packaged object introduction unit, and a seal unit 10.
[0013]
The sheet supply unit 8 includes a roll shaft 13 that removably supports a roll 12 on which an elongated packaging sheet 11 folded in advance in the longitudinal direction is wound, and a packaging sheet 11 pulled out from the roll 12 in a substantially horizontal direction. A first roller 14 that changes direction, a second roller 15 that folds the packaging sheet 11 that has passed through the first roller 14 and guides the packaging sheet 11 in a substantially horizontal direction, and moves the packaging sheet 11 that has passed through the second roller 15 upward. It comprises a third roller 16 for converting, and a fourth roller 17 for changing the direction of the packaging sheet 11 passing through the third roller 16 obliquely downward. Above the packaging sheet 11 passing between the second roller 15 and the third roller 16, a printer 18 for printing information such as a patient name and a dosage time on the packaging sheet 11 is provided. The packaging sheet 11 whose direction is changed obliquely downward by the fourth roller 17 is supplied such that its fold is downward. A cover 17a is provided so as to cover the upper half of the outer peripheral surface of the fourth roller 17, thereby preventing the packaging sheet 11 on the upstream side from loosening due to inertia and shifting the contact portion with the fourth roller 17. ing.
[0014]
The hopper 9 receives a single dose of powder and tablets from the powder dispenser (not shown) and the tablet dispenser 2 and introduces these drugs into the packaging sheet 11 supplied from the sheet supply unit 8. Is what you do. The hopper 9 is made of a synthetic resin and has a nozzle 19 at an outlet, which is inserted into an opening of the packaging sheet 11. A handle 20 is attached to the outer surface of the hopper 9, and is detachable from the frame 21.
[0015]
As shown in FIG. 3, the seal portion 10 includes a pair of heater rollers 22a and 22b which are in contact with each other and supported so as to be synchronously rotatable. Each of the heater rollers 22a and 22b has a plate-shaped intermediate portion 24 having a heating surface 23 for vertical sealing on both side end surfaces, and an upper roller having a heating surface 25 for horizontal sealing on the outer periphery at the upper end of the intermediate portion 24. A lower roller portion 27 at the lower end of the intermediate portion 24 and having the same shape as the upper roller portion 26. The wrapping sheet 11 supplied from the sheet supply unit 8 passes between the pair of heater rollers 22a and 22b, and the opening edge of the wrapping sheet 11 is moved in the longitudinal direction by the horizontal sealing heating surface 25 of the upper roller unit 26. And the sealing surface from the opening edge to the fold is traversed by the heating surface 23 for vertical sealing of the intermediate portion 24 so as to cross the packaging sheet 11 so that the medicine introduced by the hopper 9 can be trapped. I have.
[0016]
A metal triangular plate 28 is disposed between the nozzle 19 of the hopper 9 and the fourth roller 17 of the sheet supply unit 8. The top of the triangular plate 28 is inserted into the overlapped portion of the folded packaging sheet 11 to open the packaging sheet 11 in a substantially V-shape. The triangular plate 28 is attached to the frame via an ear 29 at the upper end.
[0017]
On the upstream side of the nozzle 19 of the hopper 9, a holding device 30 capable of holding the folded portion of the packaging sheet 11 is provided. As shown in FIG. 4, the holding device 30 has a pair of L-shaped holding pieces 31a and 31b attached to a substrate 33 so as to be rotatable by pins 32. A roller 34 is attached to the distal end of each of the holding pieces 31a and 31b, and a segment gear 35 is formed on the base end on an arc centered on the pin 32. The segment gears 35 of the holding pieces 31a and 31b mesh with each other, and the holding pieces 31a and 31b rotate in cooperation with each other. Instead of the segment gear 35, rollers that are in pressure contact with each other may be used. A drive lever 36 extends from one of the holding pieces 31b, and a cam roller 37 is attached to the tip of the drive lever 36. The pair of holding pieces 31a and 31b are urged in the opening direction by a spring (not shown). In the vicinity of the holding device 30, a driving device 38 for driving the holding device 30 is provided. The driving device 38 has a motor 40 mounted on a support plate 39 and a cam mechanism 41 mounted on a driving shaft of the motor 40. The cam mechanism 41 includes a disk 42 fixed to the drive shaft of the motor 40, and a cam 43 mounted at an eccentric position on an end surface of the disk 42. The cam roller 37 of the holding device 30 is in pressure contact with the outer peripheral surface of the cam 43.
[0018]
When the motor 40 of the driving device 38 is driven and the cam 43 is at the lowest position of the disk 42 as shown in FIG. 5A, the holding pieces 31a and 31b are open and the disk 42 is rotated clockwise. As the cam 43 moves upward, the cam roller 37 is pushed upward and the drive lever 36 rotates counterclockwise, and when the cam 43 reaches the uppermost position, the holding pieces 31a and 31b close. Thus, the packaging sheet 11 is sandwiched from the fold side. When the cam 43 is located at the lowermost position and the uppermost position, the first sensor 46 and the second sensor 47 detect the first magnet 44 and the second magnet 45 embedded in the end surface of the cam 43 and the outer peripheral surface of the disk 42. It has become.
[0019]
Next, the operation of the medicine packaging apparatus 1 having the above configuration will be described.
[0020]
First, as shown in FIG. 2, the roll 12 of the packaging sheet 11 is attached to the roll shaft 13 of the sheet supply unit 8, and the leading end of the packaging sheet 11 is moved from the first roller 14 to the fourth roller 14 as shown by a two-dot chain line. It is guided to the roller 17 and inserted between the pair of heater rollers 22a and 22b of the seal portion 10. Next, the triangular plate 28 is inserted into the packaging sheet 11, the hopper 9 is attached, and the nozzle 19 is inserted into the packaging sheet 11.
[0021]
When the heater rollers 22a and 22b are driven to rotate, the packaging sheet 11 is sequentially fed from the roll 12. The packaging sheet 11 whose direction has been changed obliquely downward from the fourth roller 17 of the sheet supply unit 8 is opened by the triangular plate 28. The medicine for one dose supplied to the hopper 9 is introduced into the inside of the packaging sheet 11 through the nozzle 19. Next, the edges of the opening of the packaging sheet 11 are sealed by the horizontal sealing heating surfaces 25 of the heater rollers 22a and 22b, and subsequently, from the opening of the packaging sheet 11 to the folds are sealed by the vertical sealing heating surface 23. As a result, the medicine is enclosed and enclosed by one horizontal seal part 48, two vertical seal parts 49, and the fold 50. In this manner, the medicines for one dose are sequentially packaged, and the packaging sheet 11 becomes a packing band 51, is discharged obliquely downward from the medicine discharge section 5 in FIG. 1, and is conveyed upward by the conveyor 6.
[0022]
On the other hand, the pair of holding pieces 31a and 31b of the holding device 30 open and close each time the motor 40 of the driving device 38 makes one rotation, and hold the fold portion of the packaging sheet 11 via the roller 34. There is no misalignment of both edges due to misalignment of the eleventh fold. The holding device 30 is open during the movement of the packaging sheet 11, and is closed when the packaging sheet 11 stops and the medicine is introduced from the nozzle 19 of the hopper 9. When the medicine drops on the sheet 11, the medicine is prevented from being scattered upstream of the nozzle 19 and mixed with the medicine to be packaged next.
[0023]
In the above embodiment, the metal triangular plate 28 is used as the triangular member. However, as shown in FIG. 6, a block-like triangular body 52 made of a synthetic resin may be used instead. The triangular body 52 includes a plate-shaped base 53 whose lower part is an inverted triangle, and a substantially triangular pyramid-shaped block 54 projecting from a substantially lower half of the base 53. The block part 52 is formed hollow. The triangular body 52 has pressing portions 55 extending from both side edges of the base portion 53 along the slope of the block portion 54 and slightly protruding outward. A ridge 56 extends from the lower end of the base 53 along the slope of the block portion 54, and a slope is formed in a V-shape on both sides of the ridge 56. As shown in FIG. 7, the triangular body 52 is attached to the frame 21 by a metal fitting 57 attached to the upper end of the base 53, the block 54 faces the side opposite to the nozzle 19, and the ridge 56 is the folding of the packaging sheet 11. Adjust to suit your eyes. The pressing portion 55 of the triangular body 52 prevents the packaging sheet 11 from wrinkling when the packaging sheet 11 is sealed by the heater rollers 22a and 22b. Further, the ridge line 56 of the block portion 54 prevents the generation of the slack 57 in the folded portion of the packaging sheet 11 as shown by the two-dot chain line. Due to the synergistic effect with the effect of preventing the slack 57, the ear misalignment caused by the rollers 34 of the holding device 30 is further effectively prevented.
[0024]
In the above-described embodiment, the seal portion 10 including the heater rollers 22a and 22b is used. However, the seal portion, which is a component of the present invention, is not limited to this, and is a so-called pack type as shown in FIG. The seal portion 60 may be used. The seal portion 60 includes a movable plate 63 having a heating surface 61 for a horizontal seal and a heating surface 62 for a vertical seal movable in the direction of an arrow, and a sponge (not shown) corresponding to the heating surfaces 61 and 62. By sandwiching the packaging sheet 11 with the provided fixing plate 64, the horizontal seal and the vertical seal are simultaneously performed.
[0025]
Further, in the above-described embodiment, the direction of the sheet supply unit 8 is changed using the first roller 14 to the fourth roller 17, but the hopper 9 and the heater rollers 22a and 22b are straightened from the roll 12 without changing the direction. You may make it supply toward.
[0026]
【The invention's effect】
As is apparent from the above description, according to the present invention, since the sandwiching member that sandwiches the vicinity of the fold of the packaging sheet via the roller is provided between the triangular plate and the medicine introduction hopper, the folding of the packaging sheet is performed by the roller. Is not pressed, and the fold of the packaging sheet is not displaced, so that there is no misalignment at both edges.
[0027]
The driving unit opens the pair of holding pieces during movement of the packaging sheet, and closes the pair of holding pieces when the packaging sheet stops and the medicine is introduced from the medicine introduction hopper into the packaging sheet. Since the lever is rotated, the medicine is prevented from scattering to the upstream side and being mixed with the medicine to be packaged next.
[Brief description of the drawings]
FIG. 1 is a perspective view of a tablet packaging device of the present invention.
FIG. 2 is a perspective view of the inner packaging device of FIG. 1;
FIG. 3 is a schematic front view of the packaging device of FIG. 2;
FIG. 4 is a perspective view of a holding device.
FIG. 5 is a front view showing an open state (A) and a closed state (B) of the holding device.
FIG. 6 is a front view showing a modification of the triangular member.
7 is a schematic front view of a packaging device using the triangular member of FIG.
FIG. 8 is a perspective view of a pack-type heat sealing device.
FIG. 9 is a schematic front view of a conventional packaging apparatus.
FIG. 10 is an arrow view of the packaging device of FIG. 9 as viewed from the X direction.
[Explanation of symbols]
1 medicine packaging device 8 sheet supply unit 9 hopper (packaged material introduction unit)
DESCRIPTION OF SYMBOLS 10 Seal part 11 Packaging sheet 28 Triangular plate 30 Nipping device 31a, 31b Nipping piece 32 Pin 33 Substrate 34 Roller 35 Segment gear 36 Drive lever 37 Cam roller 38 Driving device 40 Motor 41 Cam mechanism 43 Cam 52 Triangular body 60 Seal part

Claims (5)

予め長手方向に沿って二つ折りされた細長い包装シートを供給するシート供給部と、該シート供給部から供給される前記包装シートを開口する三角部材と、前記包装シートの開口から薬剤を導入する薬剤導入ホッパと、前記包装シートを挟む導入された薬剤を閉じ込めるように前記包装シートをシールするシール部とを備えた薬剤包装装置において、前記三角部材と前記薬剤導入ホッパの間に前記包装シートの折目近傍をローラを介して挟持する挟持装置を設けたことを特徴とする薬剤包装装置。A sheet supply unit that supplies an elongated packaging sheet that has been folded in advance along the longitudinal direction, a triangular member that opens the packaging sheet that is supplied from the sheet supply unit, and a medicine that introduces a medicine from the opening of the packaging sheet In a medicine packaging apparatus comprising an introduction hopper and a sealing portion for sealing the packaging sheet so as to confine the introduced medicine sandwiching the packaging sheet, folding the packaging sheet between the triangular member and the medicine introduction hopper. A medicine packaging device, comprising a holding device for holding the vicinity of an eye via a roller. 前記挟持装置は、基板にピンを中心に回動可能に設けた1対の挟持片を有し、該1対の挟持片は、先端に前記ローラを有するとともに、前記ピンを中心として互いに協働して回動し、前記1対の挟持片の一方に、駆動レバーを延設するとともに、該駆動レバーを回動させて前記1対の挟持片を開閉する駆動手段を設けたことを特徴とする請求項1に記載の薬剤包装装置。The holding device includes a pair of holding pieces provided on the substrate so as to be rotatable about pins. The pair of holding pieces have the roller at a tip and cooperate with each other about the pins. And a driving means for extending a drive lever on one of the pair of holding pieces and providing a drive means for rotating the drive lever to open and close the pair of holding pieces. The drug packaging device according to claim 1, wherein 前記1対の挟持片は、ローラが開く方向に付勢するバネを有することを特徴とする請求項2に記載の薬剤包装装置。3. The medicine packaging apparatus according to claim 2, wherein the pair of holding pieces have a spring that biases the roller in a direction in which the roller opens. 前記駆動手段は、モータと、該モータの駆動軸に設けたカムと、前記駆動レバーの先端に設けられ前記カムに摺接するカムローラとからなることを特徴とする請求項2に記載の薬剤包装装置。3. The medicine packaging apparatus according to claim 2, wherein the driving unit includes a motor, a cam provided on a driving shaft of the motor, and a cam roller provided at a tip of the driving lever and slidably contacting the cam. . 前記駆動手段は、前記包装シートの移動中に前記1対の挟持片を開き、前記包装シートが停止して該包装シートに前記薬剤導入ホッパから薬剤が導入されるきに前記1対の挟持片を閉じるように、前記駆動レバーを回動させることを特徴とする請求項4に記載の薬剤包装装置。The driving unit opens the pair of holding pieces during movement of the packaging sheet, and the pair of holding pieces is opened when the packaging sheet stops and a medicine is introduced into the packaging sheet from the medicine introduction hopper. The drug packaging device according to claim 4, wherein the drive lever is rotated so as to close the device.
JP2003081631A 2003-03-24 2003-03-24 Drug packaging device Expired - Fee Related JP4298343B2 (en)

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JP2010083573A (en) * 2008-10-02 2010-04-15 Yuyama Manufacturing Co Ltd Medicine packaging device
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JP4298343B2 (en) 2009-07-15
TWI294860B (en) 2008-03-21
CN1532117A (en) 2004-09-29

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