JP2011083976A - 成形機用スクリュー - Google Patents
成形機用スクリュー Download PDFInfo
- Publication number
- JP2011083976A JP2011083976A JP2009238837A JP2009238837A JP2011083976A JP 2011083976 A JP2011083976 A JP 2011083976A JP 2009238837 A JP2009238837 A JP 2009238837A JP 2009238837 A JP2009238837 A JP 2009238837A JP 2011083976 A JP2011083976 A JP 2011083976A
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- JP
- Japan
- Prior art keywords
- screw
- cylinder
- grooves
- wall
- resin
- 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
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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
- 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
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
【解決手段】溝4Aに流入した樹脂は、順次間隙δ1を通過して、隣接する溝4B〜4Fに流れ込み、その度に、押し側の壁5によって引き延ばされて、頂上51とシリンダー1の内壁11との間の間隙δ1を通過するに際して剪断力を受けて発熱し、溶融度を高める。その他の溝4B〜4Fについても同様である。従って、6個の溝4A〜4Fに各々流入した樹脂は、溝4A〜4Fの数と同数の6回の引き延ばしと剪断力を受けて発熱するため、樹脂の溶融が十分に行われ、樹脂が十分に均質化される。
【選択図】図2
Description
11 内壁
12 供給口
13 吐出口
14A、14B ヒータ
2 スクリュー
21A、21B、21C、21D フライト
22A、22B、22C、22D スクリュー溝
3A、3B、3C ミキシングセクション
4A、4B、4C、4D、4E、4F 溝
5 押し側の壁
51 頂上
6 背面側の壁
61 頂上
91 フライト
92 スクリュー溝
93 背面側の壁の頂上
94 バリヤー(押し側の壁の頂上)
95 流入溝
96 流出溝
97 シリンダー
98 内壁
Claims (4)
- シリンダーに回転可能に挿通されたスクリューの外周に螺旋形状に形成され、シリンダーの基部に供給された熱可塑性樹脂をシリンダーの先端側に搬送するフライトと、
上記スクリューの外周に形成されたバリヤータイプのミキシングセクションとを備えた成形機用スクリューであって、
上記ミキシングセクションが、
上記スクリューの外周の円周上に所定の間隔で形成され、上記シリンダーの基部側とシリンダーの先端側の両方が開放された複数の溝を有し、
上記溝の円周方向の両側に形成された壁の頂上とシリンダーの内壁との間の間隙が、溶融樹脂が通過可能な大きさに形成されていること
を特徴とする成形機用スクリュー。 - 請求項1に記載された成形機用スクリューにおいて、
上記溝は、
上記フライトの捩れ方向と同一方向の螺旋形状に形成され、上記溝のリード角が上記フライトのリード角よりも大きく形成されていること
を特徴とする成形機用スクリュー。 - 請求項2に記載された成形機用スクリューにおいて、
上記ミキシングセクションは、
上記スクリューの軸方向に離間して複数形成されていること
を特徴とする成形機用スクリュー。 - 請求項3に記載された成形機用スクリューにおいて、
上記シリンダーの先端側のミキシングセクションの壁の頂上とシリンダーの内壁との間の間隙が、上記シリンダーの基部側のミキシングセクションの壁の頂上とシリンダーの内壁との間の間隙よりも小さく形成されていること
を特徴とする成形機用スクリュー。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009238837A JP5456430B2 (ja) | 2009-10-16 | 2009-10-16 | 成形機用スクリュー |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009238837A JP5456430B2 (ja) | 2009-10-16 | 2009-10-16 | 成形機用スクリュー |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011083976A true JP2011083976A (ja) | 2011-04-28 |
JP5456430B2 JP5456430B2 (ja) | 2014-03-26 |
Family
ID=44077296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009238837A Active JP5456430B2 (ja) | 2009-10-16 | 2009-10-16 | 成形機用スクリュー |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5456430B2 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104698483A (zh) * | 2013-12-05 | 2015-06-10 | 华为终端有限公司 | 辅助定位方法及装置 |
KR20170043659A (ko) * | 2014-09-29 | 2017-04-21 | 꽁빠니 제네날 드 에따블리세망 미쉘린 | 압출기 스크루 요소 |
US10967554B2 (en) | 2014-05-08 | 2021-04-06 | Toshiba Kikai Kabushiki Kaisha | Extruder screw having paths within the screw, extruder, and extrusion method |
US11110638B2 (en) | 2014-05-08 | 2021-09-07 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
US11220022B2 (en) | 2014-04-24 | 2022-01-11 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
US11224991B2 (en) | 2014-04-24 | 2022-01-18 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
US11229889B2 (en) | 2015-04-28 | 2022-01-25 | Shibaura Machine Co., Ltd. | Extruder screw with alternately-arranged conveyance portions and extruders and extrusion methods using the extruder screw |
US11230033B2 (en) | 2015-04-28 | 2022-01-25 | Shibaura Machine Co., Ltd. | Extruder screw including conveyance portions and paths within the conveyance portions, extruder, and extrusion method |
US11565440B2 (en) | 2014-05-08 | 2023-01-31 | Shibaura Machine Co., Ltd. | Kneading apparatus with first and second extruders |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57207031A (en) * | 1981-06-16 | 1982-12-18 | Hitachi Cable Ltd | Extruder for thermoplastic resin highly foamed body |
-
2009
- 2009-10-16 JP JP2009238837A patent/JP5456430B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57207031A (en) * | 1981-06-16 | 1982-12-18 | Hitachi Cable Ltd | Extruder for thermoplastic resin highly foamed body |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104698483A (zh) * | 2013-12-05 | 2015-06-10 | 华为终端有限公司 | 辅助定位方法及装置 |
US11220022B2 (en) | 2014-04-24 | 2022-01-11 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
US11224991B2 (en) | 2014-04-24 | 2022-01-18 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
US11565440B2 (en) | 2014-05-08 | 2023-01-31 | Shibaura Machine Co., Ltd. | Kneading apparatus with first and second extruders |
US11813785B2 (en) | 2014-05-08 | 2023-11-14 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
US11752682B2 (en) | 2014-05-08 | 2023-09-12 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
US10967554B2 (en) | 2014-05-08 | 2021-04-06 | Toshiba Kikai Kabushiki Kaisha | Extruder screw having paths within the screw, extruder, and extrusion method |
US11110638B2 (en) | 2014-05-08 | 2021-09-07 | Shibaura Machine Co., Ltd. | Extruder screw having paths within the screw, extruder, and extrusion method |
KR102000491B1 (ko) * | 2014-09-29 | 2019-07-16 | 미쉐린 러쉐르슈 에 떼크니크 에스.에이. | 압출기 스크루 요소 |
US10272608B2 (en) | 2014-09-29 | 2019-04-30 | Compagnie Generale Des Etablissements Michelin | Extruder screw element |
KR20170043659A (ko) * | 2014-09-29 | 2017-04-21 | 꽁빠니 제네날 드 에따블리세망 미쉘린 | 압출기 스크루 요소 |
US11230033B2 (en) | 2015-04-28 | 2022-01-25 | Shibaura Machine Co., Ltd. | Extruder screw including conveyance portions and paths within the conveyance portions, extruder, and extrusion method |
US11229889B2 (en) | 2015-04-28 | 2022-01-25 | Shibaura Machine Co., Ltd. | Extruder screw with alternately-arranged conveyance portions and extruders and extrusion methods using the extruder screw |
Also Published As
Publication number | Publication date |
---|---|
JP5456430B2 (ja) | 2014-03-26 |
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