JP6940269B2 - 射出成形用スクリューおよび射出成形機 - Google Patents
射出成形用スクリューおよび射出成形機 Download PDFInfo
- Publication number
- JP6940269B2 JP6940269B2 JP2016224502A JP2016224502A JP6940269B2 JP 6940269 B2 JP6940269 B2 JP 6940269B2 JP 2016224502 A JP2016224502 A JP 2016224502A JP 2016224502 A JP2016224502 A JP 2016224502A JP 6940269 B2 JP6940269 B2 JP 6940269B2
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- JP
- Japan
- Prior art keywords
- flight
- end side
- injection molding
- screw
- angle
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
Claims (4)
- 回転軸と、前記回転軸の外周面に突出して設けられたらせん状のフライトと、を有し、
前記フライトの少なくとも一部の区間が、基端側の部分より先端側の部分の方が前記回転軸の軸線と前記フライトの基端側面とのなす角が大きくなるように形成され、
前記フライトは、全体にわたって等ピッチのらせん状となるように形成され、
前記フライト間のスクリュー溝の深さが基端側から先端側に向かうにしたがって小さくなるように形成された圧縮部を有し、
前記フライトにおける前記圧縮部に配置された区間が、基端側から先端側に向かうにしたがって前記角が連続的に大きくなるように形成されていることを特徴とする射出成形用スクリュー。 - 前記フライトにおける前記圧縮部より先端側に配置された区間の前記角が、前記フライトにおける前記圧縮部より基端側に配置された区間の前記角より大きくなるように前記フライトが形成されていることを特徴とする請求項1に記載の射出成形用スクリュー。
- 前記フライトにおける前記圧縮部に配置された区間の前記角が、20度〜80度の範囲内であることを特徴とする請求項1または請求項2に記載の射出成形用スクリュー。
- 請求項1〜請求項3のいずれか一項に記載の射出成形用スクリューと、前記射出成形用スクリューを収容する加熱シリンダと、を有することを特徴とする射出成形機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016224502A JP6940269B2 (ja) | 2016-11-17 | 2016-11-17 | 射出成形用スクリューおよび射出成形機 |
CN201780071090.5A CN110191790A (zh) | 2016-11-17 | 2017-11-16 | 注塑成型用螺杆以及注塑成型机 |
PCT/JP2017/041370 WO2018092862A1 (ja) | 2016-11-17 | 2017-11-16 | 射出成形用スクリューおよび射出成形機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016224502A JP6940269B2 (ja) | 2016-11-17 | 2016-11-17 | 射出成形用スクリューおよび射出成形機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018079642A JP2018079642A (ja) | 2018-05-24 |
JP6940269B2 true JP6940269B2 (ja) | 2021-09-22 |
Family
ID=62145613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016224502A Active JP6940269B2 (ja) | 2016-11-17 | 2016-11-17 | 射出成形用スクリューおよび射出成形機 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6940269B2 (ja) |
CN (1) | CN110191790A (ja) |
WO (1) | WO2018092862A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108340533A (zh) * | 2018-01-03 | 2018-07-31 | 卓苏旭 | 一种螺杆式注塑成型用注塑机 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS507863A (ja) * | 1973-05-25 | 1975-01-27 | ||
JPH06254925A (ja) * | 1993-03-04 | 1994-09-13 | Japan Steel Works Ltd:The | 射出成形機における可塑化装置 |
JPH10193410A (ja) * | 1997-01-14 | 1998-07-28 | Matsushita Electric Ind Co Ltd | 液晶ポリマー用射出成形機 |
JP3211150B2 (ja) * | 1997-04-28 | 2001-09-25 | 日精樹脂工業株式会社 | 縦型射出成形機の射出装置 |
JP3590263B2 (ja) * | 1998-05-11 | 2004-11-17 | ファナック株式会社 | 射出成形機の計量スクリュー構造 |
JP2004276343A (ja) * | 2003-03-14 | 2004-10-07 | Toshiba Mach Co Ltd | 射出成形用スクリュ |
JP4813584B2 (ja) * | 2009-08-03 | 2011-11-09 | ファナック株式会社 | 射出成形機用可塑化スクリュ |
CN203031883U (zh) * | 2012-11-21 | 2013-07-03 | 无锡海天机械有限公司 | 一种注塑机混合螺杆 |
-
2016
- 2016-11-17 JP JP2016224502A patent/JP6940269B2/ja active Active
-
2017
- 2017-11-16 CN CN201780071090.5A patent/CN110191790A/zh active Pending
- 2017-11-16 WO PCT/JP2017/041370 patent/WO2018092862A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2018079642A (ja) | 2018-05-24 |
CN110191790A (zh) | 2019-08-30 |
WO2018092862A1 (ja) | 2018-05-24 |
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