JP3625524B2 - Split multi-volume automatic sterilizer - Google Patents

Split multi-volume automatic sterilizer Download PDF

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JP3625524B2
JP3625524B2 JP13930895A JP13930895A JP3625524B2 JP 3625524 B2 JP3625524 B2 JP 3625524B2 JP 13930895 A JP13930895 A JP 13930895A JP 13930895 A JP13930895 A JP 13930895A JP 3625524 B2 JP3625524 B2 JP 3625524B2
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conveyor
carry
sterilized
small
sterilization
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JPH08322917A (en
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雅嗣 中沢
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株式会社千代田製作所
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Description

【0001】
【産業上の利用分野】
この発明は、病院において、使用した患者の衣服、手術用具等の被滅菌物を洗浄した後、滅菌したり、薬品メーカーにおいて出荷前の最終段階で製品の滅菌を行なうために利用できる自動滅菌装置であって、特に多量の被滅菌物を処理するのに適する装置に係る。滅菌方法としては、蒸気滅菌、ガス滅菌等従来から行なわれている滅菌方法を適用することができる。又、上記の他にも、農業、醸造その他の部門において、材料、器物等の滅菌を行なうのに利用することができる。
【0002】
【従来の技術】
例えば薬品メーカーにおいて、製造した薬品は、アンプル、シリンジ、ソフトバッグ、バイアルビン等に密封収納した状態で、最終の滅菌を行なって出荷するようにされている。そのために製造量が多いときは、多量の薬品をまとめて滅菌装置に入れ、蒸気滅菌、シャワー滅菌等の方法で滅菌処理していた。又、被滅菌物によっては酸化エチレン等の滅菌性ガスによるガス滅菌も行なわれる。この明細書では、水蒸気、熱湯、滅菌性ガス等を併せて滅菌媒体と称することにする。
【0003】
一般の小容量滅菌装置は、図5の側面図に略示するように、缶体1の開口した前面に、これを気密に塞ぐ揺動式又は横走り式のドア2を設け、缶体内に被滅菌物3を入れてドア2を密閉し、缶内に滅菌媒体を送給して被滅菌物を滅菌するものである。缶体1、ドア2には必要な耐圧強度を持たせ、滅菌媒体を送給するための管、弁、これを排出するための真空ポンプ、滅菌媒体の送給、排出や被滅菌物を滅菌媒体に曝す時間、清浄空気を缶内に流通させて滅菌媒体を排除したり、被滅菌物を乾燥したりする時間を設定する制御装置が付設される。
【0004】
処理すべき被滅菌物が多量にある場合は、1例を図6、図7に略示したような多容量自動滅菌装置が使用されている。図6は平面図、図7は図6の拡大A矢視図である。次にこれを説明する。
【0005】
缶体1aは、数個の被滅菌物3a、3bを入れられるようにトンネル状に長く且つ前後両端を開口させて形成され、上下のレール4a、4bに沿って移動する横走り式の前部ドア5a、後部ドア5bで密閉できるようにされている。缶体1a内には自走式のローラコンベヤ6が設けられている。缶体1aの入口側には、被滅菌物搬入用のベルトコンベヤ7が前部ドア5aを挟んでローラコンベヤ6に接続されており、缶体の出口側には、被滅菌物搬出用のベルトコンベヤ8がドア5bを挟んでローラコンベヤ6に接続されている。9はローラコンベヤ6を駆動するモータで、駆動軸9aを缶体1aの側壁を貫通して缶体内に入れ、歯車結合されて連動するローラコンベヤ6の各ローラを駆動する。駆動軸9aが缶体1aの側壁を貫通する部分には、メカニカルシールを施して缶体内に送給した滅菌媒体が漏出しないようにされる。10はコンベヤ6、7、8の起動、停止、ドア5a、5bの開閉、滅菌媒体の給排等を制御する制御装置、11は缶体内の滅菌媒体や清浄空気の給排等を行なうための配管装置を示す。
【0006】
このように構成されるから、滅菌を効果的に行なえる分量ずつにまとめた被滅菌物3a、3bをベルトコンベヤ7から缶体1aに向けて送ると、被滅菌物は次々にローラコンベヤ6の端に載せられて缶体1a内に入る。被滅菌物が缶体1a内に一杯になったならば、ローラコンベヤ6を停止させ、前後のドア5a、5bを閉じ、滅菌処理を行なう。滅菌処理が終了すると、後部のドア5bを開き、ローラコンベヤ6を運転して被滅菌物を次々に搬出用のベルトコンベヤ8に載せ搬出する。これらの滅菌処理は、制御装置10により制御されて行なわれる。このようにして一度に多量の被滅菌物を滅菌処理することができる。
【0007】
【発明が解決しようとする課題】
上記のような、多量の被滅菌物を滅菌処理できる従来の多容量自動滅菌装置では、次のような不都合があった。
【0008】
(1) 缶体1aが大型になるため、少量の被滅菌物を滅菌処理するときも多量の滅菌媒体を消費して不経済である。
【0009】
(2) 被滅菌物3a、3b等の処理時間を異ならせたい場合は、処理時間最長のものに合わせて全部を処理しなければならない。
【0010】
(3) 缶体内にローラコンベヤを設けるので、これを運転するための駆動軸9aを缶体の側壁を貫通して設けなければならない。この部分の気密保持のため高価なメカニカルシールを設けなければならない。
【0011】
【課題を解決するための手段】
この発明は、少量ずつの被滅菌物を独立に滅菌処理できる、前後端が開いた複数の小缶体を並べ、この小缶体群の前後に搬入コンベヤと搬出コンベヤとを設け、各小缶体の入口前方にプッシャを設けて、多容量自動滅菌装置を構成したものである。
【0012】
【作用】
並列する複数の小缶体の前に設けられた搬入コンベヤにより搬送されて来た被滅菌物は、前部ドアを開いた空の小缶体の前に来るとプッシャにより押されてその缶体内に押込まれ、被滅菌物が入った小缶体は前部ドアを閉じられる。こうして搬入コンベヤで送られて来た被滅菌物は、逐次空の小缶体に納められ、各小缶体毎に滅菌処理が行なわれる。被滅菌物が多くて小缶体に入り切らないときは、被滅菌物は、搬入コンベヤを停めて待機させ、被滅菌物が少なくて小缶体が余ったときは、被滅菌物が入った小缶体のみで滅菌処理を行なう。
【0013】
滅菌処理が終ったならば、前後のドアを開き、プッシャにより被滅菌物を小缶体から押出して搬出コンベヤに載せ、搬出する。
【0014】
搬入、搬出コンベヤの運転、停止、小缶体のドアの開閉、プッシャの作動、滅菌操作は付設の制御装置により行なう。
【0015】
【実施例】
図1、図2は本発明の分割型多容量自動滅菌装置の第1実施例を略示し、図1は平面図、図2は図1のB矢視図である。
【0016】
トンネル状に前後を開いた小容量の複数の小缶体13、14は、入口を搬入コンベヤ15に向け、出口を搬出コンベヤ16に向けて、ドアの開閉が隣りの小缶体に妨げられないだけの間隔で横に並んでいる。搬出入コンベヤ15、16は、この実施例では被滅菌物を横に滑らせ易いローラコンベヤとし、ローラの回転を制御することにより被滅菌物を進行、停止できるようにしたが、被滅菌物が横滑り可能ならば他の型のコンベヤでも良い。各小缶体13、14の前後には、レール17、18に沿って横移動する横走り式の前部ドア19、後部ドア20が設けられている。各小缶体の前方には、それぞれ搬入コンベヤ15を隔ててプッシャ21が設けられている。22は各小缶体毎に付設された配管装置である。各小缶体のドアの開閉、搬出入コンベヤの運転、停止、プッシャの作動、配管装置の制御等の装置全体の運転制御は、付設の制御装置23により行なう。
【0017】
この装置の運転は次のようにして行なう。
【0018】
1) 各小缶体13、14で滅菌するのに適当な量にまとめた複数の被滅菌物3a、3bを順次搬入コンベヤ15に載せて、小缶体13、14の前に移送する。
【0019】
2) 先頭の被滅菌物3aが、前部ドア19が開き後部ドア20が閉じている第1の小缶体13の前に来ると、搬入コンベヤ15が停止し、プッシャ21が働いてこれを搬入コンベヤから横に押出して小缶体13内に押込む。小缶体内には、被滅菌物を滑らせ易いようにローラを設けてもよいが、平板のままでよい。この押込みが済むとプッシャ21は元に戻り、前部ドア19は閉じられる。被滅菌物が小缶体の前に来たこと及び小缶体が空で前部ドアが開いていること、後部ドアが閉じられていること等は、搬入コンベヤ15に設けたセンサ24、ドア位置を検知するセンサ25、26で検知し、搬入コンベヤ15の一時停止、プッシャ21の作動、前部ドア19の閉鎖、滅菌処理の開始、終了、前後のドア19、20の開放、搬出コンベヤ16の起動等も要所に設けたセンサにより検知し、これらの信号を制御装置23に送って一連の作動を制御させる。
【0020】
3) 先頭の被滅菌物が第1の小缶体13へ押込まれた後は、続く被滅菌物は、再起動した搬入コンベヤ15により第2の小缶体14の前に運ばれ、同様にして第2のプッシャ21によりこの小缶体に納められる。このようにして搬入コンベヤ15に載せられた複数の被滅菌物は、並列した小缶体に逐次納められ、滅菌処理を受け、滅菌終了後は搬出コンベヤ16に移され搬出される。
【0021】
4) 被滅菌物の種類が多く、それぞれの量も異なるとき、又、その種類によって滅菌処理時間に長短があるときは、その時間を指定する磁気カードを被滅菌物を載せて移動する台等に取付けることにより制御装置23に信号を送って処理時間を決めさせるようにする。
【0022】
5) このように被滅菌物によって処理時間が変る場合は、搬入コンベヤ15により送られて来る被滅菌物を、処理を終って空になった小缶体に順次送り込み、又小缶体に被滅菌物が入っているときはその前を通過して休止中で空の小缶体に入れて滅菌する。又、被滅菌物が少なくて稼働しない小缶体ができたときは、その配管装置22を休止させて滅菌媒体の消費を抑える。更に、複数の小缶体の稼働率を同じようにするために、稼働時間の長短を制御装置23に記憶及び判断させて、稼働時間の少ない小缶体に優先して被滅菌物を搬入するように制御装置23を作動させることもできる。
【0023】
図3、図4は本発明の第2実施例を略示し、図3は正面図、図4はその前面部分の拡大側面図である。第1実施例が1個ずつの小缶体を横に並列させたのに対して、実施例2は、上下に積み重ねた小缶体を横に並べて構成したものである。第1実施例と同等部分は同符号で示すと共に説明を省略して次にこれを説明する。
【0024】
第1実施例の小缶体13、14と同様構造の小缶体13、13′、14、14′にはそれぞれに横に開く前部ドア19及び後部ドアを設けている。小缶体13、13′は縦に重ねられ、同じく縦に重ねられた小缶体14、14′と前後のドアを横に開いたとき、隣の小缶体の妨げにならない間隙を隔てて横に並んでいる。各小缶体の横には配管装置22が付設される。上下に重ねられた小缶体13、13′及び14、14′の配管装置は、1組として構成することができる。前部ドア19の前には、両端をエレベータ29、29′で昇降自在に支えられた搬入コンベヤ27が設けられている。これは自走式ローラコンベヤである。小缶体13、13′、14、14′の背後にも同様にしてエレベータ及び搬出用ローラコンベヤが設けられている。搬入コンベヤ27の側面には支持枠30を介してプッシャ21を取付けてある。31はローラコンベヤを駆動するモータである。更に滅菌処理を制御するための制御装置23が付設される。
【0025】
この滅菌装置により複数の被滅菌物を滅菌処理するには次のようにして行なう。最初は、前方の搬入コンベヤ27が下降しており、各小缶体13、13′、14、14′は空で、前部ドア19を開き、後部ドア20を閉じた状態にあるものとする。
【0026】
(1) 複数の被滅菌物を順次搬入コンベヤ27に載せる。この操作は作業員による手動で行なってもよく、又は搬入コンベヤの始端に接続する、終端部が昇降できるベルトコンベヤその他のコンベヤ又はシュートにより行なうこともできる。
【0027】
(2) 被滅菌物が搬入コンベヤ27により移送されて小缶体13の前に位置したとき、プッシャ21を駆動して被滅菌物を小缶体13中に押込み、前部ドア19を閉じて滅菌処理を始める。この操作は、付設の制御装置により制御される。
【0028】
(3) このようにして下段の小缶体13、14に被滅菌物が納められたならば、エレベータ29により搬入コンベヤ27を上昇させ、次々に送られて来る被滅菌物は上段の小缶板13′、14′に送入する。尤もこの被滅菌物送入順序は、上記順序とは限らない。
【0029】
(4) 滅菌処理が終ったならば、前後のドア19、20を開き、プッシャ21により被滅菌物を搬出用ローラコンベヤの上に押出して集結場所に送る。搬出用ローラコンベヤも使用小缶体の上下位置に対応してエレベータにより昇降させる。搬出用ローラコンベヤにも搬入コンベヤ27と同様のベルトコンベヤ、シュート等を接続することができる。
【0030】
(5) 被滅菌物の種類によって滅菌処理時間に長短があって、先に滅菌処理を終了し空になった小缶体が介在するようなときは、センサ及び制御装置により空の小缶体を探して被滅菌物を送入できるように作業する。
【0031】
【発明の効果】
(1) 複数の小缶体を集結して容量の大きな自動滅菌装置を得ることができる。
【0032】
(2) 被滅菌物が少ないときは、一部の小缶体のみを使用して滅菌処理することができ、不必要な滅菌媒体を消費しないで済む。
【0033】
(3) 複数の小缶体の一部を撤去し、又は増設することにより、滅菌装置の容量を増減できる。
【0034】
(4) 缶体壁をメカニカルシールを介して貫通し駆動軸を設ける必要がないから、その費用を省くと共にメカニカルシールの劣化により滅菌媒体が漏洩するような故障を生じることがなく、保守が容易である。
【0035】
(5) 小缶体中の1つが故障しても他の小缶体により滅菌作業を行なえる。
【0036】
(6) 複数の小缶体の動作を、1個の制御装置で制御でき、多数の小制御装置を分散させて設けないで済む。
【0037】
(7) 図5に略示したような小容量滅菌装置を利用し、これに後部ドアを設けるような改造を施して多容量滅菌装置を造ることができる。
【図面の簡単な説明】
【図1】本発明の分割型多容量自動滅菌装置の第1実施例を略示する平面図。
【図2】図1のB矢視図。
【図3】本発明の第2実施例を略示する正面図。
【図4】これの前面部分の拡大側面図。
【図5】従来の少容量自動滅菌装置を略示する側面図。
【図6】従来の多容量自動滅菌装置を略示する平面図。
【図7】図6の拡大A矢視図。
【符号の説明】
1、1a 缶体
2 ドア
3、3a、3b 被滅菌物
4a、4b レール
5a 前部ドア
5b 後部ドア
6 ローラコンベヤ
7、8 ベルトコンベヤ
9 モータ
9a 駆動軸
10 制御装置
11 配管装置
13、13′ 小缶体
14、14′ 小缶体
15 搬入コンベヤ
16 搬出コンベヤ
17、18 レール
19 前部ドア
20 後部ドア
21 プッシャ
22 配管装置
23 制御装置
24、25、26 センサ
27 搬入コンベヤ
29、29′ エレベータ
30 支持枠
31 モータ
[0001]
[Industrial application fields]
The present invention relates to an automatic sterilization apparatus that can be used in hospitals for sterilization after sterilization of used items such as clothes and surgical tools of a patient, and sterilization of products at a final stage before shipment in a pharmaceutical manufacturer. In particular, the present invention relates to an apparatus suitable for processing a large amount of objects to be sterilized. Conventional sterilization methods such as steam sterilization and gas sterilization can be applied as the sterilization method. In addition to the above, it can be used to sterilize materials, equipment and the like in agriculture, brewing and other sectors.
[0002]
[Prior art]
For example, in a drug manufacturer, the manufactured drug is shipped after final sterilization in a state of being sealed and stored in an ampoule, a syringe, a soft bag, a vial bottle or the like. Therefore, when the production amount is large, a large amount of chemicals are put together in a sterilizer and sterilized by a method such as steam sterilization or shower sterilization. Depending on the object to be sterilized, gas sterilization with a sterilizing gas such as ethylene oxide is also performed. In this specification, water vapor, hot water, sterilizing gas, and the like are collectively referred to as a sterilization medium.
[0003]
As schematically shown in the side view of FIG. 5, a general small-capacity sterilization apparatus is provided with a swinging or side-running door 2 that hermetically closes the front surface of the can body 1, and the can body 1 The article to be sterilized 3 is put in, the door 2 is sealed, and a sterilizing medium is fed into the can to sterilize the article to be sterilized. Can body 1 and door 2 have the necessary pressure resistance, pipes and valves for feeding sterilization media, vacuum pumps for discharging them, sterilization media feeding, discharge and sterilization A control device is provided for setting the time for exposure to the medium, the time for passing clean air through the can to eliminate the sterilization medium, and the time for drying the article to be sterilized.
[0004]
When there are a large amount of articles to be sterilized, a multi-volume automatic sterilization apparatus as schematically shown in FIGS. 6 and 7 is used as an example. 6 is a plan view, and FIG. 7 is an enlarged view of the arrow A in FIG. Next, this will be described.
[0005]
The can body 1a is formed in a tunnel-like long shape so that several articles to be sterilized 3a, 3b can be put in it, and is formed by opening both front and rear ends and moves along the upper and lower rails 4a, 4b. The door 5a and the rear door 5b can be sealed. A self-propelled roller conveyor 6 is provided in the can 1a. A belt conveyor 7 for carrying in the sterilized material is connected to the roller conveyor 6 across the front door 5a on the inlet side of the can body 1a, and a belt for carrying out the sterilized material on the outlet side of the can body. A conveyor 8 is connected to the roller conveyor 6 across the door 5b. A motor 9 drives the roller conveyor 6. A drive shaft 9a is inserted through the side wall of the can body 1a into the can body, and the rollers of the roller conveyor 6 that are interlocked with each other are driven. A portion of the drive shaft 9a passing through the side wall of the can body 1a is mechanically sealed so that the sterilization medium fed into the can body does not leak out. 10 is a control device for controlling the start and stop of the conveyors 6, 7 and 8, opening and closing of the doors 5a and 5b, supply and discharge of the sterilization medium, and 11 for supply and discharge of the sterilization medium and clean air in the can. A piping apparatus is shown.
[0006]
Since it is configured in this way, if the articles to be sterilized 3a and 3b, which are collected in an amount capable of effectively performing sterilization, are sent from the belt conveyor 7 to the can body 1a, the articles to be sterilized are successively placed on the roller conveyor 6. It is placed on the end and enters the can 1a. When the object to be sterilized becomes full in the can 1a, the roller conveyor 6 is stopped, the front and rear doors 5a and 5b are closed, and sterilization is performed. When the sterilization process is completed, the rear door 5b is opened, the roller conveyor 6 is operated, and the articles to be sterilized are successively carried on the belt conveyor 8 for carrying out. These sterilization processes are performed under the control of the control device 10. In this way, a large amount of objects to be sterilized can be sterilized at a time.
[0007]
[Problems to be solved by the invention]
The conventional multi-volume automatic sterilization apparatus that can sterilize a large amount of objects to be sterilized as described above has the following disadvantages.
[0008]
(1) Since the can body 1a becomes large, it is uneconomical to consume a large amount of sterilization medium even when a small amount of an object to be sterilized is sterilized.
[0009]
(2) When it is desired to change the processing time of the articles to be sterilized 3a, 3b, etc., all of them must be processed in accordance with the longest processing time.
[0010]
(3) Since the roller conveyor is provided in the can body, a drive shaft 9a for operating the roller conveyor must be provided through the side wall of the can body. An expensive mechanical seal must be provided to keep this part airtight.
[0011]
[Means for Solving the Problems]
The present invention arranges a plurality of small cans whose front and rear ends are open, each of which can be sterilized independently, and is provided with a carry-in conveyor and a carry-out conveyor before and after the small can group. A pusher is provided in front of the body entrance to constitute a multi-volume automatic sterilization apparatus.
[0012]
[Action]
Objects to be sterilized that have been transported by a carry-in conveyor provided in front of a plurality of small cans arranged in parallel are pushed by a pusher when they come in front of an empty can with the front door opened. The can, which is pushed into the container and contains the object to be sterilized, closes the front door. The articles to be sterilized thus sent by the carry-in conveyor are sequentially stored in empty canisters and sterilized for each canister. When there are too many items to be sterilized and cannot fit into the small can, the items to be sterilized are stopped with the carry-in conveyor stopped, and when there are not enough items to be sterilized and the small cans remain, the items to be sterilized have entered. Sterilize only in small cans.
[0013]
When the sterilization process is completed, the front and rear doors are opened, and the article to be sterilized is pushed out of the small can by a pusher, placed on the carry-out conveyor, and carried out.
[0014]
Carrying in, carrying out and stopping the carry-in conveyor, opening / closing the can body door, operating the pusher, and sterilization are performed by the attached control device.
[0015]
【Example】
1 and 2 schematically show a first embodiment of a split-type multi-volume automatic sterilization apparatus according to the present invention, FIG. 1 is a plan view, and FIG. 2 is a view taken in the direction of arrow B in FIG.
[0016]
A plurality of small capacity can bodies 13, 14 opened front and rear in a tunnel shape, the entrance is directed to the carry-in conveyor 15, the exit is directed to the carry-out conveyor 16, and the opening and closing of the door is not hindered by the adjacent small can bodies They are lined up side by side only. In this embodiment, the carry-in / out conveyors 15 and 16 are roller conveyors that allow the object to be sterilized to easily slide sideways, and the object to be sterilized can be advanced and stopped by controlling the rotation of the rollers. Other types of conveyors may be used as long as they can slide. A laterally running front door 19 and a rear door 20 that move laterally along the rails 17 and 18 are provided in front of and behind the small can bodies 13 and 14, respectively. A pusher 21 is provided in front of each small can body with a carry-in conveyor 15 therebetween. 22 is a piping device attached to each small can. Operation control of the entire apparatus, such as opening / closing of the doors of each can body, operation / stop of the carry-in / out conveyor, operation of the pusher, control of the piping apparatus, and the like is performed by an attached control device 23.
[0017]
This apparatus is operated as follows.
[0018]
1) A plurality of articles to be sterilized 3a and 3b collected in an appropriate amount to be sterilized by each can body 13 and 14 are sequentially placed on the carry-in conveyor 15 and transferred to the front of the can bodies 13 and 14.
[0019]
2) When the first article to be sterilized 3a comes in front of the first can 13 with the front door 19 opened and the rear door 20 closed, the carry-in conveyor 15 stops and the pusher 21 works to Extruded sideways from the carry-in conveyor and pushed into the canister 13. A roller may be provided in the small can so as to easily slide the article to be sterilized, but it may remain flat. When this push is completed, the pusher 21 returns to its original position, and the front door 19 is closed. The fact that the object to be sterilized has come in front of the can body, that the can body is empty and that the front door is open, the rear door is closed, etc. The position is detected by sensors 25 and 26, and the carry-in conveyor 15 is temporarily stopped, the pusher 21 is actuated, the front door 19 is closed, the sterilization process is started and finished, the front and rear doors 19 and 20 are opened, and the carry-out conveyor 16 Is activated by sensors provided at important points, and these signals are sent to the control device 23 to control a series of operations.
[0020]
3) After the first object to be sterilized is pushed into the first canister 13, the subsequent object to be sterilized is transported to the front of the second canister 14 by the restarting carry-in conveyor 15 and the same. The second pusher 21 accommodates the small can. The plurality of articles to be sterilized placed on the carry-in conveyor 15 in this manner are successively stored in parallel canisters, subjected to sterilization, and transferred to the carry-out conveyor 16 after sterilization is completed.
[0021]
4) When there are many types of items to be sterilized, and the amount of each is different, or when the sterilization processing time is long or short depending on the type, a table that moves the magnetic card for specifying the time to be sterilized, etc. By attaching to the control device 23, a signal is sent to the control device 23 to determine the processing time.
[0022]
5) When the processing time varies depending on the object to be sterilized in this way, the object to be sterilized sent by the carry-in conveyor 15 is sequentially fed into the canister that has been emptied after the processing, If sterilized items are contained, pass in front of them and sterilize them by putting them in an empty can during rest. Further, when a small can that cannot be operated due to a small amount of articles to be sterilized, the piping device 22 is suspended to suppress consumption of the sterilization medium. Further, in order to make the operating rates of the plurality of cans the same, the control device 23 stores and judges the length of the operating time, and carries the article to be sterilized in preference to the cans with a short operating time. Thus, the control device 23 can also be operated.
[0023]
3 and 4 schematically show a second embodiment of the present invention, FIG. 3 is a front view, and FIG. 4 is an enlarged side view of the front portion thereof. In contrast to the first embodiment in which the small cans are arranged side by side, in Example 2, the small cans stacked one above the other are arranged side by side. The same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof will be omitted.
[0024]
The small can bodies 13, 13 ′, 14, 14 ′ having the same structure as the small can bodies 13, 14 of the first embodiment are respectively provided with a front door 19 and a rear door that open sideways. The can bodies 13 and 13 'are vertically stacked, and when the front and rear doors are opened side by side with a vertically stacked small can body 14 and 14', a gap that does not interfere with the adjacent can body is separated. They are lined up side by side. A piping device 22 is attached to the side of each small can body. The piping devices of the small can bodies 13, 13 'and 14, 14' stacked one above the other can be configured as one set. In front of the front door 19, there is provided a carry-in conveyor 27 whose both ends are supported by elevators 29 and 29 'so as to be movable up and down. This is a self-propelled roller conveyor. Similarly, elevators and carry-out roller conveyors are also provided behind the small can bodies 13, 13 ', 14, 14'. A pusher 21 is attached to the side surface of the carry-in conveyor 27 via a support frame 30. 31 is a motor which drives a roller conveyor. Further, a control device 23 for controlling the sterilization process is attached.
[0025]
In order to sterilize a plurality of articles to be sterilized by this sterilization apparatus, the following is performed. At first, it is assumed that the front carry-in conveyor 27 is lowered, each can body 13, 13 ′, 14, 14 ′ is empty, the front door 19 is opened, and the rear door 20 is closed. .
[0026]
(1) A plurality of articles to be sterilized are sequentially placed on the carry-in conveyor 27. This operation may be performed manually by an operator, or may be performed by a belt conveyor or other conveyor or chute that can be raised and lowered at the end connected to the start of the carry-in conveyor.
[0027]
(2) When the object to be sterilized is transferred by the carry-in conveyor 27 and positioned in front of the small can body 13, the pusher 21 is driven to push the object to be sterilized into the small can body 13, and the front door 19 is closed. Start sterilization. This operation is controlled by an attached control device.
[0028]
(3) When the articles to be sterilized are placed in the lower can bodies 13 and 14 in this way, the carry-in conveyor 27 is raised by the elevator 29, and the articles to be sterilized one after another are sent to the upper canisters. It feeds into board 13 ', 14'. However, the order of delivering the article to be sterilized is not necessarily the above order.
[0029]
(4) When the sterilization process is finished, the front and rear doors 19 and 20 are opened, the pusher 21 pushes the article to be sterilized onto the carry-out roller conveyor, and sends it to the collection site. The carry-out roller conveyor is also raised and lowered by an elevator corresponding to the vertical position of the used can body. A belt conveyor, chute, and the like similar to the carry-in conveyor 27 can be connected to the carry-out roller conveyor.
[0030]
(5) When the sterilization time is long or short depending on the type of the object to be sterilized, and the sterilization process is completed and an empty canister is interposed, the sensor and control device can be used to empty the canister. Work to be able to send the object to be sterilized.
[0031]
【The invention's effect】
(1) A large-capacity automatic sterilization apparatus can be obtained by collecting a plurality of small cans.
[0032]
(2) When there are few objects to be sterilized, sterilization can be performed using only some of the small cans, and unnecessary sterilization media need not be consumed.
[0033]
(3) The capacity | capacitance of a sterilizer can be increased / decreased by removing or adding some small can bodies.
[0034]
(4) Since there is no need to penetrate the can body wall through a mechanical seal and provide a drive shaft, the cost can be saved, and there is no failure such as leakage of the sterilization medium due to deterioration of the mechanical seal, making maintenance easy. It is.
[0035]
(5) Even if one of the small cans breaks down, sterilization can be performed with the other can.
[0036]
(6) The operation of a plurality of small can bodies can be controlled by a single control device, and a large number of small control devices need not be distributed.
[0037]
(7) A multi-volume sterilization apparatus can be made by using a small volume sterilization apparatus as schematically shown in FIG. 5 and modifying the apparatus so as to provide a rear door.
[Brief description of the drawings]
FIG. 1 is a plan view schematically showing a first embodiment of a split-type multi-volume automatic sterilization apparatus according to the present invention.
FIG. 2 is a view taken in the direction of arrow B in FIG.
FIG. 3 is a front view schematically showing a second embodiment of the present invention.
FIG. 4 is an enlarged side view of the front portion of this.
FIG. 5 is a side view schematically showing a conventional small volume automatic sterilization apparatus.
FIG. 6 is a plan view schematically showing a conventional multi-volume automatic sterilization apparatus.
7 is an enlarged arrow A view of FIG. 6;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1, 1a Can body 2 Door 3, 3a, 3b Sterilized object 4a, 4b Rail 5a Front door 5b Rear door 6 Roller conveyor 7, 8 Belt conveyor 9 Motor 9a Drive shaft 10 Control device 11 Piping device 13, 13 'Small Can body 14, 14 'Small body 15 Carry-in conveyor 16 Carry-out conveyor 17, 18 Rail 19 Front door 20 Rear door 21 Pusher 22 Piping device 23 Control device
24, 25, 26 Sensor 27 Carry-in conveyor
29, 29 'Elevator 30 Support frame 31 Motor

Claims (2)

前後端を開放し、各端に密閉蓋を設けた複数の小缶体(13)(14)を並列させ、この小缶体列の前方に搬入コンベヤ(15)を設け、小缶体列の後方に搬出コンベヤ(16)を設け、各小缶体の前方に搬入コンベヤ(15)を隔ててプッシャ(21)を設け、プッシャ(21)のストロークは、搬入コンベヤ(15)上の被滅菌物を小缶体(13)(14)を通して搬出コンベヤ(16)上まで押出せる長さとし、各小缶体に、独立に作動する配管装置(22)を付設し、搬入コンベヤ、搬出コンベヤ、プッシャ、配管装置の作動を一括して制御する制御装置(23)を設けた分割型多容量自動滅菌装置。A plurality of small can bodies (13) and (14) each having an open front and rear end and a sealing lid at each end are arranged in parallel, and a carry-in conveyor (15) is provided in front of the can body row, A carry-out conveyor (16) is provided at the rear, a pusher (21) is provided in front of each can body, separating the carry-in conveyor (15), and the stroke of the pusher (21) is to be sterilized on the carry-in conveyor (15). The length is such that it can be pushed out onto the carry-out conveyor (16) through the small can bodies (13) and (14), and each small can body is provided with a piping device (22) that operates independently, and the carry-in conveyor, carry-out conveyor, pusher, A split-type multi-volume automatic sterilization device provided with a control device (23) that collectively controls the operation of the piping device. 積み重ねた複数の小缶体(13)(13′)を並列させ、その前方及び後方に設けた搬入コンベヤ(27)及び搬出コンベヤを、それぞれエレベータにより昇降自在にした請求項1に記載の分割型多容量自動滅菌装置。The divided type according to claim 1, wherein a plurality of stacked small can bodies (13) (13 ') are arranged in parallel, and a carry-in conveyor (27) and a carry-out conveyor provided in front and rear of the can bodies are respectively raised and lowered by an elevator. Multi-volume automatic sterilizer.
JP13930895A 1995-06-06 1995-06-06 Split multi-volume automatic sterilizer Expired - Fee Related JP3625524B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13930895A JP3625524B2 (en) 1995-06-06 1995-06-06 Split multi-volume automatic sterilizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13930895A JP3625524B2 (en) 1995-06-06 1995-06-06 Split multi-volume automatic sterilizer

Publications (2)

Publication Number Publication Date
JPH08322917A JPH08322917A (en) 1996-12-10
JP3625524B2 true JP3625524B2 (en) 2005-03-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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