JP7233798B2 - 押出装置 - Google Patents
押出装置 Download PDFInfo
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- JP7233798B2 JP7233798B2 JP2021543430A JP2021543430A JP7233798B2 JP 7233798 B2 JP7233798 B2 JP 7233798B2 JP 2021543430 A JP2021543430 A JP 2021543430A JP 2021543430 A JP2021543430 A JP 2021543430A JP 7233798 B2 JP7233798 B2 JP 7233798B2
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/361—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die with the barrel or with a part thereof rotating
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/6801—Barrels or cylinders characterised by the material or their manufacturing process
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/6803—Materials, coating or lining therefor
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/681—Barrels or cylinders for single screws
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/763—Vent constructions, e.g. venting means avoiding melt escape
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/91—Heating, e.g. for cross linking
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
- B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
Description
2 ホッパ
3 スクリュー
4 防止板
5 スクリュー
6 ベント部
10 バレル
11 吐出口
20 ホッパ
30 スクリュー
30A ニーディングゾーン
30B サブニーディングゾーン
31 正方向ネジ山
32 中立型ネジ山
33 逆方向ネジ山
40 ベント部
50 サブベント部
60 ヒータ部
70 粉砕装置
M ネジ山
F1 第1フォワードゾーン
K1 ニーディングゾーン
F2 第2フォワードゾーン
K2 サブニーディングゾーン
F3 第3フォワードゾーン
220 ホッパ
Claims (9)
- 水分を含有する固体状態の原料を押出させる押出装置であって、
長手方向に沿って中空の管形状を有し、一側に原料が投入されるホッパが結合し、他側には脱水された原料が排出される吐出口が形成されたバレルと、
前記バレルの内部に取り付けられ、一方向に軸回転する間にホッパから投入された原料を吐出口に移送させるように棒形状を有し、外周面にネジ山が形成されたスクリューと、
前記ホッパと吐出口との間のある一地点に配置され、前記バレル内で生成された蒸気を外部に排出するベント部と、
前記バレルに取り付けられ、原料を加熱するヒータ部とを含み、前記ホッパを介してバレルの内部に流入された原料は、スクリューを介してバレルの内部で移送される間にヒータ部によって徐々に加熱され、
前記スクリューには、ネジ山によって移送される原料の圧縮が発生するニーディングゾーン(kneading zone)が形成され、
前記バレル内で原料が溶融され、少なくとも一部分が液体状態に相変化することで、相変化した原料が前記ニーディングゾーンでバレルの内部横断面を遮蔽する封止膜を形成するように、ヒータ部の加熱温度およびスクリューの軸回転速度が制御され、
前記スクリューは、
軸回転する時にホッパから投入された原料が吐出口側に移送されるようにネジ山が形成された第1フォワードゾーンと、
軸回転する時に前記第1フォワードゾーンから移送された原料の圧縮が行われるようにネジ山が形成されたニーディングゾーンと、
軸回転する時に前記ニーディングゾーンを通過した原料が吐出口側に移送されるようにネジ山が形成された第2フォワードゾーンとを含み、
前記ニーディングゾーンは、
棒形状の外周面に前記原料のその場回転が誘導されるようにネジ山が形成されたニュートラルゾーンと、棒形状の外周面に第1フォワードゾーンに形成されたネジ山とは逆方向に原料を移送するようにネジ山が形成されたリバースゾーンとが連結されて構成され、
前記ニュートラルゾーンは、第1フォワードゾーンと連結され、前記リバースゾーンは、第2フォワードゾーンと連結されるように配置されることを特徴とする、押出装置。 - 前記ニーディングゾーンは、ベント部とホッパとの間に配置されることを特徴とする、請求項1に記載の押出装置。
- 前記ニーディングゾーンとベント部との距離は、バレル直径の3倍になる長さより短く形成されることを特徴とする、請求項2に記載の押出装置。
- 前記ニーディングゾーンとホッパとの距離は、バレル直径の5倍になる長さより長く形成されることを特徴とする、請求項2又は3に記載の押出装置。
- 前記スクリューは、軸回転する時に前記第2フォワードゾーンから移送された原料の再圧縮が行われるようにネジ山が形成されたサブニーディングゾーンをさらに含むことを特徴とする、請求項1~4のいずれか一項に記載の押出装置。
- 前記サブニーディングゾーンとベント部との距離は、バレル直径の3倍になる長さより長く形成されることを特徴とする、請求項5に記載の押出装置。
- 前記スクリューは、軸回転する時に前記サブニーディングゾーンを通過した原料が吐出口側に移送されるようにネジ山が形成された第3フォワードゾーンをさらに含み、
前記第3フォワードゾーンが形成された範囲内で、前記バレルには、原料に含有された不純物を外部に排出するサブベント部が形成されることを特徴とする、請求項5又は6に記載の押出装置。 - 前記サブニーディングゾーンとサブベント部との距離は、バレル直径の3倍になる長さより短く形成されることを特徴とする、請求項7に記載の押出装置。
- 前記バレルの吐出口から排出された原料を粉砕する粉砕装置をさらに含まれることを特徴とする、請求項1~8のいずれか一項に記載の押出装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2019-0152012 | 2019-11-25 | ||
KR1020190152012A KR20210063643A (ko) | 2019-11-25 | 2019-11-25 | 압출장치 |
PCT/KR2020/010746 WO2021107332A1 (ko) | 2019-11-25 | 2020-08-13 | 압출장치 |
Publications (2)
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JP2022518565A JP2022518565A (ja) | 2022-03-15 |
JP7233798B2 true JP7233798B2 (ja) | 2023-03-07 |
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JP2021543430A Active JP7233798B2 (ja) | 2019-11-25 | 2020-08-13 | 押出装置 |
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US (1) | US20220118671A1 (ja) |
EP (1) | EP3900910A4 (ja) |
JP (1) | JP7233798B2 (ja) |
KR (1) | KR20210063643A (ja) |
CN (1) | CN113412183A (ja) |
WO (1) | WO2021107332A1 (ja) |
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CN102529062B (zh) * | 2012-01-30 | 2015-05-20 | 天津万塑新材料科技有限公司 | 用于挤塑加工尼龙而无需对尼龙进行烘干处理的螺杆组合 |
ITBO20150247A1 (it) * | 2015-05-13 | 2016-11-13 | Sacmi | Apparato e metodo di ispezione ottica di un estrusore. |
KR101830958B1 (ko) * | 2016-03-31 | 2018-02-23 | 한국생산기술연구원 | 유연한 유리섬유(Glass Wool)를 포함하는 플라스틱 재료 제조용 압출기 |
ITUA20164096A1 (it) * | 2016-06-03 | 2017-12-03 | Nexxus Channel S R L | Vite per estrusore di materiali polimerici, estrusore di materiali polimerici comprendente detta vite e metodo per realizzare prodotti polimerici estrusi |
KR101873209B1 (ko) * | 2016-11-30 | 2018-07-03 | 윤기환 | 압출공정을 구비한 사출 성형장치 |
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2019
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2020
- 2020-08-13 CN CN202080013509.3A patent/CN113412183A/zh active Pending
- 2020-08-13 EP EP20893821.7A patent/EP3900910A4/en active Pending
- 2020-08-13 US US17/428,205 patent/US20220118671A1/en active Pending
- 2020-08-13 JP JP2021543430A patent/JP7233798B2/ja active Active
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JP2000318017A (ja) | 1999-05-07 | 2000-11-21 | Toshiba Mach Co Ltd | 2軸押出機とその2軸押出機による熱可塑性樹脂原料の脱水方法 |
JP2003213009A (ja) | 2002-01-22 | 2003-07-30 | Asahi Kasei Corp | 難燃性ポリカーボネート樹脂組成物の製造方法 |
JP2010194794A (ja) | 2009-02-24 | 2010-09-09 | Ishida Co Ltd | 回収ポリエステルから成形品を製造する方法 |
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CN113412183A (zh) | 2021-09-17 |
EP3900910A4 (en) | 2022-03-16 |
KR20210063643A (ko) | 2021-06-02 |
EP3900910A1 (en) | 2021-10-27 |
WO2021107332A1 (ko) | 2021-06-03 |
US20220118671A1 (en) | 2022-04-21 |
JP2022518565A (ja) | 2022-03-15 |
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