JP6072289B2 - 押出ブロー成形方法及びその実行のための装置 - Google Patents
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Description
−押出機における、溶融物への熱可塑性の合成樹脂の可塑化、
−圧力下での、前記押出機から出口開口部を有するヘッド部への溶融物の搬送、
−前記ヘッド部内の溶融物のプレフォームへの変形、
−前記ヘッド部の前記出口開口部からの前記プレフォーム(18)のある流出速度での流出、
−前記出口開口部から流出する前記プレフォームの流出速度の検出、及び
−前記プレフォームの引き離し
を含む押出ブロー成形方法に関するものである。そのほか、本発明は、押出ブロー成形方法の実行のための装置に関するものでもある。
−押出機(10)から搬送された溶融物の一部の収容のため、又は搬送された溶融物に追加されるあらかじめ収容された溶融物の放出のための、前記各ブロー成形サイクルにおける前記プレフォーム(18)の流出中かつ引き離し前に検出された流出速度に依存した溶融物貯蔵部(20)の制御
を行い、
−検出された前記流出速度が該流出速度についての目標値よりも小さい場合に、前記溶融物貯蔵部(20)が溶融物を放出し、
−検出された前記流出速度が該流出速度についての目標値よりも大きい場合に、前記溶融物貯蔵部(20)が溶融物を収容する
によって、ブロー成形サイクル中にも、このブロー成形サイクルにおいて製造されるプレフォームの長さが制御されることによって解決される。
11 スクリュコンベヤ
12a,b 配管
13 ヘッド部
14 ケーシング
15 入口開口部
16 通路
17 出口開口部
18 プレフォーム
18a プレフォームの下端部
19 出口開口部
20 溶融物貯蔵部
21 貯蔵室
22 溶融物ピストン
23 油圧シリンダ
23a,b ピストン面
24a,b 動作室
25a,b 切換弁
26 制御部
27 測定装置
28a〜d 光電子遮断柵
Claims (14)
- 以下のステップ:
−押出機(10)における、溶融物への熱可塑性の合成樹脂の可塑化、
−圧力下での、前記押出機(10)から出口開口部(17)を有するヘッド部(13)への溶融物の搬送、
−前記ヘッド部(13)内の溶融物のプレフォーム(18)への変形、
−前記ヘッド部(13)の前記出口開口部(17)からの前記プレフォーム(18)のある流出速度での流出、
−前記出口開口部(17)から流出する前記プレフォーム(18)の流出速度の検出、 −前記プレフォーム(18)の引き離し
を含む押出ブロー成形方法において、
更なるステップ:
−前記押出機(10)から搬送された溶融物の一部の収容のため、又は搬送された溶融物に加えてあらかじめ収容された溶融物の放出のための、前記各ブロー成形サイクルにおける前記プレフォーム(18)の流出中かつ引き離し前に検出された流出速度に依存した溶融物貯蔵部(20)の制御
を行い、
−検出された前記流出速度が該流出速度についての目標値よりも小さい場合に、前記溶融物貯蔵部(20)が溶融物を放出し、
−検出された前記流出速度が該流出速度についての目標値よりも大きい場合に、前記溶融物貯蔵部(20)が溶融物を収容する
によってブロー成形サイクル中にも、このブロー成形サイクルにおいて製造されるプレフォーム(18)の長さが制御されることを特徴とする押出ブロー成形方法。 - 前記プレフォーム(18)の流出中かつ引き離し前に、前記流出速度が複数回にわたって検出されることを特徴とする請求項1記載の押出ブロー成形方法。
- 前記プレフォーム(18)の流出中かつ引き離し前に、前記流出速度が時間的に連続して検出されることを特徴とする請求項1記載の押出ブロー成形方法。
- 前記流出速度の検出のために、前記プレフォーム(18)の部分長さの流出にかかる時間(tX1)が測定されることを特徴とする請求項1又は2記載の押出ブロー成形方法。
- 前記プレフォーム(18)の部分長さの流出にかかる時間(tX1)の測定のために、光電子遮断柵(28a〜d)が流出する前記プレフォーム(18)の下端部(18a)によって遮断されることを特徴とする請求項4記載の押出ブロー成形方法。
- 前記溶融物貯蔵部(20)が油圧によって又は電気モータによって操作されることを特徴とする請求項1〜5のいずれか1項に記載の押出ブロー成形方法。
- 前記ヘッド部(13)の前記出口開口部(17)の大きさが、該出口開口部(17)からの前記プレフォーム(18)の流出中に変更されることを特徴とする請求項1〜6のいずれか1項に記載の押出ブロー成形方法。
- ブロー成形による中空体の製造のための装置であって、該装置が、
−溶融物への熱可塑性の合成樹脂の可塑化のため、及び溶融物の搬送のための押出機(10)と、
−溶融物のための入口開口部(15)及びプレフォーム(18)を流出させる出口開口部(17)を有する、溶融物をプレフォーム(18)へ変形させるためのヘッド部(13)と、
−少なくとも1つのブロー成形型と
を備えた前記装置において、
−当該装置が、前記押出機(10)から搬送された溶融物の一部の収容のため、又は前記押出機(10)から搬送された溶融物に加えてあらかじめ収容された溶融物を放出するための溶融物貯蔵部(20)と、前記出口開口部(17)から流出する前記プレフォーム(18)の流出速度の測定のための測定装置(27)とを備えていること、及び
−前記ブロー成形サイクル中に検出された流出速度が流出速度についての目標値よりも小さい場合に前記溶融物貯蔵部(20)が溶融物を放出することで、前記ブロー成形サイクル中に検出された流出速度が流出速度についての目標値よりも大きい場合に前記溶融物貯蔵部(20)が溶融物を収容することで、ブロー成形サイクル中にも、このブロー成形サイクルにおいて製造されるプレフォーム(18)の長さが制御されるよう前記溶融物貯蔵部(20)の制御部(26)が調整されていること
を特徴とする装置。 - 前記溶融物貯蔵部(20)及び前記押出機(10)が配管(12a,b)を介して前記ヘッド部(13)の前記入口開口部(15)に接続されていることを特徴とする請求項8記載の装置。
- 前記溶融物貯蔵部(20)が前記押出機の統合された構成部材として形成されていることを特徴とする請求項9記載の装置。
- 前記溶融物貯蔵部(20)が分離されたアセンブリとして形成されていることを特徴とする請求項8又は9記載の装置。
- 前記溶融物貯蔵部(20)が前記ヘッド部(13)の統合された構成部材として形成されていることを特徴とする請求項8記載の装置。
- 前記プレフォーム(18)の部分長さの流出にかかる時間(tX1)を測定するために、前記測定装置(27)が少なくとも1つの切り換られるセンサを備えていることを特徴とする請求項8〜12のいずれか1項に記載の装置。
- 前記ヘッド部(13)の前記出口開口部(17)が大きさ調整可能であることを特徴とする請求項8〜13のいずれか1項に記載の装置。
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DE102012112110.9A DE102012112110A1 (de) | 2012-12-11 | 2012-12-11 | Extrusionsblasformverfahren und Vorrichtung zu dessen Durchführung |
DE102012112110.9 | 2012-12-11 | ||
PCT/EP2013/075127 WO2014090607A1 (de) | 2012-12-11 | 2013-11-29 | Extrusionsblasformverfahren und vorrichtung zu dessen durchführung |
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EP (1) | EP2931492B1 (ja) |
JP (1) | JP6072289B2 (ja) |
KR (1) | KR101802849B1 (ja) |
CN (1) | CN104822505B (ja) |
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CN111730840B (zh) * | 2020-06-30 | 2022-04-15 | 绍兴市同德管业有限公司 | 一种塑料管生产加工设备 |
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NL132736C (ja) | 1963-12-06 | 1900-01-01 | ||
DE1704791B2 (de) | 1968-03-18 | 1976-07-29 | Kautex Werke Reinold Hagen Gmbh, 5300 Bonn-Holzlar | Vorrichtung zum herstellen von im querschnitt ringfoermigen koerpern aus thermoplastischem kunststoff |
US3759648A (en) * | 1971-09-15 | 1973-09-18 | Hunker Instr Dev Labor Inc | Extruder control system |
US3865528A (en) * | 1973-11-01 | 1975-02-11 | Moog Inc | Extrusion apparatus having electronic interpolator |
US3943214A (en) * | 1974-08-08 | 1976-03-09 | Monsanto Company | Method improvements for controlling parison length |
DE2544171C3 (de) | 1975-10-03 | 1978-10-26 | Kautex Werke Reinold Hagen Gmbh, 5300 Bonn-Holzlar | Vorrichtung zum Steuern der Bewegung der Blasform und der Teile derselben beim Herstellen von Hohlkörpern aus thermoplastischem Kunststoff |
DE2544609C3 (de) | 1975-10-06 | 1984-11-08 | Kautex Werke Reinold Hagen Gmbh, 5300 Bonn | Einrichtung zum Beeinflussen der Länge eines Vorformlings aus thermoplastischem Kunststoff |
JPS5374569A (en) * | 1976-12-15 | 1978-07-03 | Kayaba Industry Co Ltd | Apparatus for compensating length of parison in hollow plastic molding machine |
DE2813241C2 (de) * | 1978-03-28 | 1984-08-30 | Moog GmbH, 7030 Böblingen | Verfahren zum Regeln des Füllungsgrades eines Speichers in einer Fördereinrichtung eines Extruders und Vorrichtung zum Durchführen dieses Verfahrens |
US4474716A (en) * | 1979-10-05 | 1984-10-02 | Krupp-Kautex Maschinenbau Gmbh | Controlling an extrusion blowing process |
DE3114371A1 (de) | 1981-04-09 | 1982-11-11 | Kautex Werke Reinold Hagen Gmbh, 5300 Bonn | Verfahren und vorrichtung zum herstellen von vorzugsweise schlauchfoermigen strangabschnitten aus thermoplastischem kunststoff |
JPS62202712A (ja) | 1985-09-28 | 1987-09-07 | Kyoraku Co Ltd | パリスンの押出方法及びその装置 |
DE3809856A1 (de) | 1988-03-24 | 1989-10-05 | Philips Patentverwaltung | Blasformmaschine zum blasformen von hohlkoerpern mit wartezeitregelung |
DE3873753D1 (de) * | 1988-05-31 | 1992-09-17 | Moog Gmbh | Elektrische steuereinrichtung zum erzeugen eines steuersignals fuer die bewegung des dorns eines extruders. |
DE3936301A1 (de) * | 1989-11-01 | 1991-05-02 | Kautex Maschinenbau Gmbh | Verfahren zum herstellen von hohlkoerpern aus thermoplastischen kunststoff |
JP2601733B2 (ja) | 1991-04-11 | 1997-04-16 | 宇部興産株式会社 | ブロー成形方法 |
DE4129017A1 (de) | 1991-08-31 | 1993-03-04 | Kautex Maschinenbau Gmbh | Vorrichtung zum verarbeiten von thermoplastichem kunststoff mit einer plastifiziereinheit |
US5399302A (en) * | 1991-12-27 | 1995-03-21 | Kao Corpoation | Parison length control method for blow molding machine |
DE4226467C1 (en) | 1992-08-10 | 1993-04-29 | Mbk Maschinenbau Koetke Gmbh, 3121 Lueder, De | 1xtrusion machine simple and economical to produce - including intermediate storage area connected to head tool via tubular flanged section |
JPH06270242A (ja) | 1993-03-23 | 1994-09-27 | Ube Ind Ltd | ブロー成形機 |
JPH0788945A (ja) | 1993-09-21 | 1995-04-04 | Ube Ind Ltd | パリソンの肉厚制御方法 |
ATE203199T1 (de) * | 1994-06-03 | 2001-08-15 | Harald Feuerherm | Verfahren zum extrusionsblasformen von hohlkörpern aus thermoplastischem kunststoff |
DE4423381C2 (de) | 1994-07-04 | 1997-02-06 | Battenfeld Fischer Blasform | Verfahren für die Herstellung von thermoplastischen Hohlkörpern |
DE10217311B4 (de) | 2002-04-18 | 2004-12-02 | Mbk Maschinenbau Koetke Gmbh | Extrusionsblasverfahren und -anlage |
EP1698445B1 (de) * | 2003-03-28 | 2010-01-06 | Harald Feuerherm | Verfahren zum Blasformen von Hohlkörpern aus thermoplatischem Kunststoff |
CN201179724Y (zh) | 2007-10-17 | 2009-01-14 | 华南理工大学 | 挤出吹塑制品壁厚智能化控制系统 |
-
2012
- 2012-12-11 DE DE102012112110.9A patent/DE102012112110A1/de not_active Withdrawn
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- 2013-11-29 WO PCT/EP2013/075127 patent/WO2014090607A1/de active Application Filing
- 2013-11-29 KR KR1020157009714A patent/KR101802849B1/ko active IP Right Grant
- 2013-11-29 JP JP2015545749A patent/JP6072289B2/ja active Active
- 2013-11-29 EP EP13810906.1A patent/EP2931492B1/de active Active
- 2013-11-29 CN CN201380062427.8A patent/CN104822505B/zh active Active
- 2013-11-29 US US14/649,155 patent/US10035290B2/en active Active
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DE102012112110A1 (de) | 2014-06-12 |
CN104822505A (zh) | 2015-08-05 |
EP2931492B1 (de) | 2016-06-29 |
JP2015536268A (ja) | 2015-12-21 |
KR101802849B1 (ko) | 2017-11-29 |
US10035290B2 (en) | 2018-07-31 |
US20150314515A1 (en) | 2015-11-05 |
WO2014090607A1 (de) | 2014-06-19 |
EP2931492A1 (de) | 2015-10-21 |
CN104822505B (zh) | 2016-12-07 |
KR20150094589A (ko) | 2015-08-19 |
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