JP7062106B2 - プラスチック材料の射出成形のための方法および装置 - Google Patents
プラスチック材料の射出成形のための方法および装置 Download PDFInfo
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- JP7062106B2 JP7062106B2 JP2021016754A JP2021016754A JP7062106B2 JP 7062106 B2 JP7062106 B2 JP 7062106B2 JP 2021016754 A JP2021016754 A JP 2021016754A JP 2021016754 A JP2021016754 A JP 2021016754A JP 7062106 B2 JP7062106 B2 JP 7062106B2
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- 239000000463 material Substances 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 19
- 238000001746 injection moulding Methods 0.000 title claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 49
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000005355 Hall effect Effects 0.000 claims description 2
- 238000007620 mathematical function Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000473391 Archosargus rhomboidalis Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C45/281—Drive means therefor
-
- 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
- B29C45/76—Measuring, controlling or regulating
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2872—Closure devices therefor consisting of needle valve systems with at least three positions, e.g. two different open positions to control the melt flow
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76006—Pressure
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76545—Flow rate
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76568—Position
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
- B29C2945/76598—Velocity linear movement
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
- B29C2945/76752—Mould runners, nozzles
- B29C2945/76755—Mould runners, nozzles nozzles
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76822—Phase or stage of control
- B29C2945/76859—Injection
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
Claims (14)
- 完全閉鎖位置と最大開放位置との間およびその逆で変位可能なピンバルブ(7)を備える少なくとも1つのインジェクタ(3)により、プラスチック材料を金型キャビティに射出成形する方法であって、
前記ピンバルブは、その前記位置間の前記ピンバルブの位置および速度に関連して、制御された方法でアクチュエータによって操作され、
前記完全閉鎖位置から前記最大開放位置への変位中、または前記最大開放位置から前記完全閉鎖位置への変位中、前記ピンバルブの変位は、その運動の反転の少なくとも1つのステップを提供することを特徴とする方法。 - 前記ピンバルブ(7)の変位は、その運動の反転の複数のステップを提供することを特徴とする、請求項1に記載の方法。
- 前記ピンバルブ(7)の変位は、その運動の反転の初期ステップ、中間ステップおよび最終ステップを提供することを特徴とする、請求項2に記載の方法。
- ピンの変位速度は、均一かつ一定であることを特徴とする、請求項1に記載の方法。
- 前記最大開放位置から前記完全閉鎖位置への変位中、前記ピンバルブは、複数の部分閉鎖中間位置で停止し、前記位置間の前記ピンバルブの変位速度は、均一かつ一定であることを特徴とする、請求項1に記載の方法。
- 均一かつ一定の開放変位速度は、均一かつ一定の閉鎖変位速度に等しいことを特徴とする、請求項4または5に記載の方法。
- 均一かつ一定の開放変位速度は、均一かつ一定の閉鎖変位速度と異なることを特徴とする、請求項4または5に記載の方法。
- 前記ピンバルブの前記均一かつ一定の変位速度は、修正可能であることを特徴とする、請求項4または5に記載の方法。
- 前記完全閉鎖位置から部分開放位置の第1の停止までの前記ピンバルブの初期開放速度は、前記均一かつ一定な変位速度とは異なり、大きいことを特徴とする、請求項4または5に記載の方法。
- 前記ピンバルブの停止時間は、一定の持続時間を有することを特徴とする、請求項4または5に記載の方法。
- 前記ピンバルブの停止時間は、可変の持続時間を有することを特徴とする、請求項4または5に記載の方法。
- 閉鎖および/または開放変位中の前記ピンバルブの停止時間は、射出圧力および/または射出された材料の流量など、金型の内部条件に関する数学関数に従って可変であることを特徴とする、請求項11に記載の方法。
- 完全閉鎖位置と最大開放位置との間で変位可能なピンバルブ(7)を有する少なくとも1つのインジェクタ(3)を備えるプラスチック材料の射出成形装置であって、
前記ピンバルブは、前記ピンバルブの位置を直接または間接的に検出するための電気または空気圧アクチュエータおよび関連センサ(9)によって作動し、前記センサ(9)に動作可能に接続された電子ユニット(4)は、電動機(8)および/または空気圧シリンダの動作を制御し、
前記電子ユニット(4)は、請求項1ないし12のうちいずれか1項に記載の方法を実行するように構成される装置。 - 前記電動機(8)は、回転または線形電動機であり、前記センサ(9)は、回転または線形エンコーダ、またはホール効果磁気センサ、または光学センサであることを特徴とする、請求項13に記載の装置。
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IT102018000005902A IT201800005902A1 (it) | 2018-05-31 | 2018-05-31 | Procedimento e apparecchiatura di stampaggio ad iniezione di materie plastiche |
IT102018000005902 | 2018-05-31 |
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US (2) | US11247373B2 (ja) |
EP (2) | EP3621780B1 (ja) |
JP (2) | JP6836009B2 (ja) |
KR (2) | KR102318506B1 (ja) |
CN (2) | CN110831736B (ja) |
IT (1) | IT201800005902A1 (ja) |
MX (1) | MX2019014793A (ja) |
WO (1) | WO2019229564A1 (ja) |
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IT201800005902A1 (it) * | 2018-05-31 | 2018-08-31 | Procedimento e apparecchiatura di stampaggio ad iniezione di materie plastiche | |
IT202200010004A1 (it) * | 2022-05-13 | 2023-11-13 | Inglass S P A Con Socio Unico | “Apparato per stampaggio a iniezione” |
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- 2019-05-13 CN CN201980003506.9A patent/CN110831736B/zh active Active
- 2019-05-13 KR KR1020217007120A patent/KR102318506B1/ko active IP Right Grant
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- 2019-05-13 EP EP20176644.1A patent/EP3718734A1/en active Pending
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012035428A (ja) | 2010-08-04 | 2012-02-23 | Toyota Auto Body Co Ltd | 射出成形方法および射出成形装置 |
JP2013539425A (ja) | 2010-11-23 | 2013-10-24 | シンベンティブ モールディング ソリューソンズ,インク. | 射出成形フロー制御装置および方法 |
JP2013107212A (ja) | 2011-11-17 | 2013-06-06 | Yoshino Kogyosho Co Ltd | プリフォームの射出成形装置、射出成形方法、及びプリフォーム |
JP2015039852A (ja) | 2013-08-22 | 2015-03-02 | 日精樹脂工業株式会社 | ホットランナーノズルとこのホットランナーノズルを用いた多層成形品成形用の金型 |
JP2016135586A (ja) | 2014-12-11 | 2016-07-28 | イングラス ソシエタ ペル アチオニINGLASS S.p.A. | プラスチック材料の注入成形のための方法及び装置 |
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IT201800005902A1 (it) | 2018-08-31 |
US20220088843A1 (en) | 2022-03-24 |
US11247373B2 (en) | 2022-02-15 |
MX2019014793A (es) | 2020-08-17 |
JP2020526419A (ja) | 2020-08-31 |
EP3718734A1 (en) | 2020-10-07 |
BR112019026030A2 (pt) | 2020-11-17 |
CN110831736A (zh) | 2020-02-21 |
KR20200023437A (ko) | 2020-03-04 |
US11794392B2 (en) | 2023-10-24 |
KR102318506B1 (ko) | 2021-10-28 |
US20210069954A1 (en) | 2021-03-11 |
JP2021073120A (ja) | 2021-05-13 |
CN113442384A (zh) | 2021-09-28 |
KR102252095B1 (ko) | 2021-05-13 |
CN113442384B (zh) | 2023-07-21 |
EP3621780A1 (en) | 2020-03-18 |
WO2019229564A1 (en) | 2019-12-05 |
CN110831736B (zh) | 2021-06-08 |
EP3621780B1 (en) | 2020-07-08 |
JP6836009B2 (ja) | 2021-02-24 |
KR20210030495A (ko) | 2021-03-17 |
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