JPH0359815B2 - - Google Patents
Info
- Publication number
- JPH0359815B2 JPH0359815B2 JP15855283A JP15855283A JPH0359815B2 JP H0359815 B2 JPH0359815 B2 JP H0359815B2 JP 15855283 A JP15855283 A JP 15855283A JP 15855283 A JP15855283 A JP 15855283A JP H0359815 B2 JPH0359815 B2 JP H0359815B2
- Authority
- JP
- Japan
- Prior art keywords
- filling
- air supply
- system circuit
- parison
- exhaust system
- 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.)
- Expired - Lifetime
Links
- 238000011049 filling Methods 0.000 claims description 22
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 238000000071 blow moulding Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000000645 desinfectant Substances 0.000 claims description 5
- 238000012859 sterile filling Methods 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- 238000007664 blowing Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012371 Aseptic Filling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
- B29C2049/4602—Blowing fluids
- B29C2049/4635—Blowing fluids being sterile
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明はプラスチツク容器成形機の排気系から
の汚染防止装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for preventing contamination from the exhaust system of a plastic container forming machine.
プラスチツク容器成形機とは合成物質を熔解
し、空気を吹き込んでプラスチツク容器を成形
し、この容器に無菌の充填物、例えば流動性の食
品又は医薬品を充填した後、容器の開口を密封す
る一連の工程を繰返えして行なうことのできる機
械である。この機械で容器を成形するときに吹込
んだ無菌の空気は容器に充填物を注入するときに
排気しなければならないので装置には給気系と排
気系の配管とが設けられている。従来の機械にお
いては、これらの成形用の給気系配管と排気系配
管とを無菌状態に維持して一貫作業を行なうこと
ができなかつたため、無菌の充填物の充填ができ
なかつた。 A plastic container forming machine is a series of machines that melt a synthetic material, blow air into a plastic container, fill the container with a sterile filling, such as a fluid food or medicine, and then seal the opening of the container. It is a machine that can repeat the process. Since the sterile air blown into the container when it is molded by this machine must be exhausted when filling the container, the device is equipped with piping for an air supply system and an exhaust system. With conventional machines, it was not possible to maintain the air supply system piping and exhaust system piping for molding in a sterile state during the entire operation, and therefore it was not possible to fill the mold with aseptic filling.
本発明の目的はこの欠点を除き、配管の端末を
消毒液を入れたタンクの液面下に開口させて菌を
含む外気の逆流を防止した排気系を付属させるこ
とにより、容器の成形、充填両作業を無菌化の状
態で行なうことを可能としたプラスチツク容器成
形機の排気系からの汚染防止装置を提供すること
にある。以下本発明の実施例について図面を参照
して説明する。 The purpose of the present invention is to eliminate this drawback and to form and fill containers by attaching an exhaust system that opens the end of the piping below the liquid level of the tank containing disinfectant to prevent backflow of outside air containing bacteria. An object of the present invention is to provide a device for preventing contamination from the exhaust system of a plastic container molding machine, which enables both operations to be performed in a sterile state. Embodiments of the present invention will be described below with reference to the drawings.
第１図において、プラスチツク容器成形機の構
成を示している。成形機はパリソン押出装置１、
成形充填装置２及びブローダイ装置３から構成さ
れる。パリソン押出装置１に投入された粒状の合
成物質は加熱され溶解され押出ヘツド４から中空
管状のパリソン５として押し出される。一定の長
さに押し出されたパリソン５は、ダイ６，６及び
保持器７により挾持される。そのときパリソン５
の下端部は押し潰されて密閉される。パリソン５
には送気口８から減圧され殺菌された圧力空気が
常に吹き込まれており、下端部が密閉されると若
干膨脹する。同時にカツタ９で切断され、ブロー
ダイ装置３は切断されたパリソン５を保持してｂ
図に示すようにブロー充填ステーシヨンに移動す
る。ブロー充填ステーシヨンの上方には成形充填
装置２のブロー成形充填ヘツド１０が設けられて
いる。ブロー成形充填ヘツド１０から後述する管
部材１１が下降してきてパリソン５の開口に挿入
され、ダイ６，６と管部材１１とでパリソン５の
首部を気密に挾みつける。給排気口１２から管部
材１１を介して無菌化された圧力空気がパリソン
５に吹き込まれ容器１３がブロー成形される。管
部材１１の中心部に内装された注入管１４が下降
し、その注入口を開いて充填物が注入される。そ
れに伴い容器１３内の空気は後述するところによ
り給排気口１２から外気に排出される。注入管１
４はホース１５を介してタンク１６から一定量ず
つの充填物を供給する計量シリンダ１７に連結さ
れている。計量シリンダ１７は付属する油圧シリ
ンダにより一定ストロークを往復運動する。充填
物が容器１３に満たされると、注入管１４及び管
部材１１は上昇し、容器１３の開口はブローダイ
装置３の閉塞器３１により密閉される。 FIG. 1 shows the construction of a plastic container forming machine. The molding machine is parison extrusion device 1,
It is composed of a forming and filling device 2 and a blow die device 3. The granular synthetic material introduced into the parison extrusion device 1 is heated and melted, and extruded from the extrusion head 4 as a hollow tubular parison 5. The parison 5 extruded to a certain length is held between dies 6, 6 and a holder 7. At that time parison 5
The lower end of is crushed and sealed. parison 5
Depressurized and sterilized pressurized air is constantly blown through the air supply port 8, and when the lower end is sealed, it expands slightly. At the same time, the parison 5 is cut by the cutter 9, and the blow die device 3 holds the cut parison 5.
Move to blow filling station as shown. A blow-molding and filling head 10 of the forming-filling device 2 is provided above the blow-filling station. A tube member 11, which will be described later, descends from the blow molding filling head 10 and is inserted into the opening of the parison 5, and the neck of the parison 5 is sandwiched between the dies 6, 6 and the tube member 11 in an airtight manner. Sterilized pressurized air is blown into the parison 5 from the supply/exhaust port 12 through the pipe member 11, and the container 13 is blow-molded. The injection pipe 14 housed in the center of the tube member 11 is lowered, its injection port is opened, and the filling material is injected. Accordingly, the air inside the container 13 is discharged to the outside air from the air supply/exhaust port 12 as will be described later. Injection tube 1
4 is connected via a hose 15 to a metering cylinder 17 which supplies a fixed amount of filling from a tank 16. The metering cylinder 17 is reciprocated through a constant stroke by an attached hydraulic cylinder. When the container 13 is filled with the filling material, the injection tube 14 and the tube member 11 are raised, and the opening of the container 13 is sealed by the obturator 31 of the blow die device 3.
第２図において、ブロー成形充填ヘツド１０に
昇降自在に設けられた管部材１１及び注入管１４
の構造とその給排気口１２に連結された給気系回
路１８及び排気系回路１９が示されている。管部
材１１はガイドロツド２０によりブロー成形充填
ヘツド１０に昇降自在に案内されている。管部材
１１の下端部にはブロー用マンドレル２１が固設
され、その下端部は下降したときダイ６に保持さ
れたパリソンの首部をダイ６との間に気密に挾持
する寸法と形状に成形されている。管部材１１と
ブロー用マンドレル２１との中心部には注入管１
４が昇降自在に設けられ、管部材１１との間にパ
ツキン２２を設けて気密に保持されている。ブロ
ー用マンドレル２１と注入管１４との間隙はブロ
ー用圧力空気の通路２３を形成し、管部材１１に
設けた給排気口１２に連絡している。 In FIG. 2, a pipe member 11 and an injection pipe 14 are provided in the blow molding filling head 10 so as to be able to rise and fall freely.
The structure and the air supply system circuit 18 and exhaust system circuit 19 connected to the air supply/exhaust port 12 are shown. The tube member 11 is guided by a guide rod 20 to the blow molding filling head 10 so as to be able to move up and down. A blowing mandrel 21 is fixed to the lower end of the tube member 11, and the lower end is formed into a size and shape that airtightly sandwiches the neck of the parison held by the die 6 when the mandrel 21 descends. ing. An injection pipe 1 is located in the center of the pipe member 11 and the blowing mandrel 21.
4 is provided so as to be freely movable up and down, and a gasket 22 is provided between the pipe member 11 and the pipe member 11 to maintain airtightness. The gap between the blowing mandrel 21 and the injection pipe 14 forms a passage 23 for blowing pressurized air, which communicates with the supply/exhaust port 12 provided in the pipe member 11 .
注入管１４の中心部には下端部に弁２４を設け
た中心軸２５が昇降可能に設けられ、注入管１４
の下端部は弁２４と密着する弁座となつている。
中心軸２５と注入管１４との間隙は充填物の通路
２６を形成し、注入管１４の上部において第１図
に示したホース１５に連絡している。管部材１１
の給排気口１２は制御弁２７を介して給気系回路
１８と排気系回路１９とが連結されている。制御
弁２７は切換えられると給排気口１２に連結され
るＡ側と給気系回路１８に連結されるＢ側又は排
気系回路１９に連結されるＣ側の何れかとを連絡
させる。給気系回路１８は無菌化用フイルタ２８
を設けて圧力空気源２９に連結されている。排気
系回路１９の端末は消毒タンク３０の消毒液中に
開口している。タンク３０には液面上から大気に
通ずる開口が設けられている。 A central shaft 25 with a valve 24 at its lower end is provided in the center of the injection pipe 14 so as to be movable up and down.
The lower end of the valve 24 serves as a valve seat that comes into close contact with the valve 24.
The gap between the central axis 25 and the injection tube 14 forms a passage 26 for the filling, which is connected to the hose 15 shown in FIG. 1 at the upper part of the injection tube 14. Pipe member 11
The air supply/exhaust port 12 is connected to an air supply system circuit 18 and an exhaust system circuit 19 via a control valve 27 . When the control valve 27 is switched, the A side connected to the air supply/exhaust port 12 is connected to either the B side connected to the air supply system circuit 18 or the C side connected to the exhaust system circuit 19. The air supply system circuit 18 is a sterilization filter 28
is connected to the pressurized air source 29. The terminal of the exhaust system circuit 19 opens into the disinfectant solution in the disinfectant tank 30. The tank 30 is provided with an opening that communicates with the atmosphere from above the liquid level.
次に作用について述べる。容器１３をブロー成
形する場合は、注入管１４に対し中心軸２５を上
昇させ弁２４で通路２６を密閉し、この状態で管
部材１１が下降する。制御弁２７はＢ側閉、AC
通の状態に切換えられているが、消毒タンク３０
から外気が排気系回路１９へ侵入するおそれはな
い。ダイ６に保持されたパリソンの開口にブロー
用マンドレル２１が挿入され、ダイ６との間にパ
リソンを気密に挾持する。この間の作業は第１図
について述べたように下端部が密閉されたパリソ
ン５がダイ６の中で若干膨脹した状態から若干収
縮し、開口から無菌の空気が放出されつつ行なわ
れるので外気がパリソン５に侵入するおそれはな
い。 Next, we will discuss the effect. When blow molding the container 13, the central shaft 25 is raised relative to the injection pipe 14, the passage 26 is sealed by the valve 24, and in this state the tube member 11 is lowered. Control valve 27 is closed on B side, AC
Although the disinfection tank 30 is switched to the open state, the disinfection tank 30
There is no risk of outside air entering the exhaust system circuit 19 from the outside. A blowing mandrel 21 is inserted into the opening of the parison held by the die 6, and the parison is airtightly held between the blowing mandrel 21 and the die 6. During this time, the parison 5, whose lower end is sealed, expands slightly in the die 6 and then deflates slightly, and sterile air is released from the opening. There is no risk of intrusion into 5.
次に制御弁２７がＣ側閉、AB通に切換えら
れ、無菌化フイルタ２８を介して圧力空気が給排
気口１２、通路２３を通りパリソン５に吹き込ま
れ、パリソン５はダイ６の内側形状に沿つて容器
１３に成形される。続いて制御弁２７がAC通に
切換えられ注入管１４が所定の高さまで下降する
と、中心軸２５が若干下り、弁２４が開き充填物
が容器１３に注入される。充填物に押された容器
１３内の空気は通路２３、制御弁２７を経て消毒
タンク３０の消毒液中に放出され、外気に逃げ
る。充填物が注入されるに従い注入管１４が上昇
し容器１３に所定の量注入を終ると弁２４が閉
じ、ブロー用マンドレル２１が上昇する。同時に
閉塞器３１により容器１３の口が密閉される。 Next, the control valve 27 is switched to close the C side and open the AB, and pressurized air is blown into the parison 5 via the sterilization filter 28 through the supply/exhaust port 12 and the passage 23, and the parison 5 conforms to the inner shape of the die 6. The container 13 is formed along the same line. Subsequently, when the control valve 27 is switched to AC communication and the injection pipe 14 is lowered to a predetermined height, the central shaft 25 is slightly lowered, the valve 24 is opened, and the filling material is injected into the container 13. The air inside the container 13 pushed by the filling is released into the disinfectant solution in the disinfection tank 30 through the passage 23 and the control valve 27, and escapes to the outside air. As the filler is injected, the injection pipe 14 rises, and when a predetermined amount has been injected into the container 13, the valve 24 closes and the blowing mandrel 21 rises. At the same time, the mouth of the container 13 is sealed by the obturator 31.
以上の説明から明らかなように本発明によれば
排気系回路の端末を消毒タンクの液面下に開口さ
せ菌を含む外気の逆流を防止し、無菌化された給
気系回路と制御弁で切換えられるので、プラスチ
ツク容器の成形、充填両作業を連続して無菌の状
態で行なうことができ、食品或は医薬品など無菌
の充填物の充填を可能としたプラスチツク容器成
形機を完成させた実用上の効果と利点は極めて大
きい。 As is clear from the above description, according to the present invention, the terminal of the exhaust system circuit is opened below the liquid level of the sterilization tank to prevent backflow of outside air containing bacteria, and the sterilized air supply system circuit and control valve are used. Since it can be switched, both the molding and filling operations of plastic containers can be performed continuously in a sterile state.This is a practical example of a plastic container molding machine that is capable of filling sterile fillings such as food or pharmaceutical products. The effects and benefits are extremely large.
第１図ａ，ｂはプラスチツク容器成形機の概要
を説明する図、第２図は実施例を示すブロー成形
充填ヘツドの要部縦断面図及び給排気回路図であ
る。
１はパリソン押出装置、２は成形充填装置、３
はブローダイ装置、４は押出ヘツド、５はパリソ
ン、６はダイ、７は保持器、８は送気口、９はカ
ツタ、１０はブロー成形充填ヘツド、１１は管部
材、１２は給排気口、１３は容器、１４は注入
管、１５はホース、１６はタンク、１７は計量シ
リンダ、１８は給気系回路、１９は排気系回路、
２０はガイドロツド、２１はブロー用マンドレ
ル、２２はパツキン、２３は通路、２４は弁、２
５は中心軸、２６は通路、２７は制御弁、２８は
無菌化用フイルタ、２９は圧力空気源、３０は消
毒タンク、３１は閉塞器。
1A and 1B are diagrams for explaining the outline of a plastic container molding machine, and FIG. 2 is a vertical sectional view of a main part of a blow molding filling head and an air supply/exhaust circuit diagram showing an embodiment. 1 is a parison extrusion device, 2 is a molding and filling device, 3
is a blow die device, 4 is an extrusion head, 5 is a parison, 6 is a die, 7 is a retainer, 8 is an air supply port, 9 is a cutter, 10 is a blow molding filling head, 11 is a pipe member, 12 is an air supply/exhaust port, 13 is a container, 14 is an injection pipe, 15 is a hose, 16 is a tank, 17 is a measuring cylinder, 18 is an air supply system circuit, 19 is an exhaust system circuit,
20 is a guide rod, 21 is a blowing mandrel, 22 is a packing, 23 is a passage, 24 is a valve, 2
5 is a central shaft, 26 is a passage, 27 is a control valve, 28 is a sterilization filter, 29 is a pressure air source, 30 is a sterilization tank, and 31 is an occluder.
Claims (1)
の充填物を充填し密封する一連の工程を繰返えし
て行なう機械のブロー成形充填ヘツドにおいて、
無菌化空気の給排気口を給気系回路と排気系回路
とに切換えて連絡させる制御弁に連結するととも
に、該排気系回路の端末を消毒タンクの消毒液中
に開口させたことを特徴とするプラスチツク容器
成形機の排気系からの汚染防止装置。1. In the blow molding filling head of a machine that repeatedly performs a series of steps of forming containers from synthetic materials, filling the containers with sterile filling, and sealing them,
The sterilized air supply/exhaust port is connected to a control valve that switches and communicates between the air supply system circuit and the exhaust system circuit, and the terminal of the exhaust system circuit is opened into the disinfectant solution in the disinfection tank. A device to prevent pollution from the exhaust system of plastic container molding machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58158552A JPS6049918A (en) | 1983-08-30 | 1983-08-30 | Preventor for contamination of plastic container molding machine by exhaust gas system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58158552A JPS6049918A (en) | 1983-08-30 | 1983-08-30 | Preventor for contamination of plastic container molding machine by exhaust gas system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6049918A JPS6049918A (en) | 1985-03-19 |
| JPH0359815B2 true JPH0359815B2 (en) | 1991-09-11 |
Family
ID=15674195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58158552A Granted JPS6049918A (en) | 1983-08-30 | 1983-08-30 | Preventor for contamination of plastic container molding machine by exhaust gas system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6049918A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0745171B2 (en) * | 1987-03-11 | 1995-05-17 | 大日本印刷株式会社 | Aseptic blow molding method |
| CH674637A5 (en) * | 1987-11-25 | 1990-06-29 | Nestle Sa | |
| DE4300595A1 (en) * | 1993-01-13 | 1994-07-14 | Fasti Farrag & Stipsits Ges M | Process for operating a dryer for pulverulent, granular and pourable substances and a dryer operating according to the process |
| JPH10146883A (en) * | 1996-11-20 | 1998-06-02 | Japan Steel Works Ltd:The | Method for simultaneous filling blow molding and device therefor |
| CN102923338B (en) * | 2012-03-22 | 2015-04-15 | 宁夏大学 | Germ-free vacuum packing device applicable to irregular block-shaped meat |
| DE102015211136A1 (en) * | 2015-06-17 | 2016-12-22 | Krones Ag | Formfüllmaschine |
| CN105564730B (en) * | 2016-02-22 | 2017-11-24 | 张新兴 | Continous way back-pressure microwave sterilizing device |
| DE102016113673A1 (en) | 2016-07-25 | 2018-01-25 | Friedrich Fischer | Dosierspendersystem |
-
1983
- 1983-08-30 JP JP58158552A patent/JPS6049918A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6049918A (en) | 1985-03-19 |
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