JP5829338B2 - 射出成形用分配システム、それを有する射出成形システム及び射出成形法 - Google Patents
射出成形用分配システム、それを有する射出成形システム及び射出成形法 Download PDFInfo
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- JP5829338B2 JP5829338B2 JP2014535016A JP2014535016A JP5829338B2 JP 5829338 B2 JP5829338 B2 JP 5829338B2 JP 2014535016 A JP2014535016 A JP 2014535016A JP 2014535016 A JP2014535016 A JP 2014535016A JP 5829338 B2 JP5829338 B2 JP 5829338B2
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- Prior art keywords
- nozzle
- plastic material
- line
- liquid plastic
- flow path
- 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.)
- Expired - Fee Related
Links
- 238000001746 injection moulding Methods 0.000 title claims description 34
- 239000000463 material Substances 0.000 claims description 88
- 239000004033 plastic Substances 0.000 claims description 87
- 239000007788 liquid Substances 0.000 claims description 82
- 238000000034 method Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 241000282376 Panthera tigris Species 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- 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
-
- 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
- B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
-
- 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
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2703—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0032—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks sequential injection from multiple gates, e.g. to avoid weld lines
-
- 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
- B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
- B29C2045/0051—Flow adjustment by throttles
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
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)
Description
図1は、供給システム12と、分配システム18と、型32と、制御ユニット38とを有する射出成形システム10を示す。
Claims (6)
- 少なくとも2つのノズル(24a、24b)を介して液状プラスチック材料をキャビティ(34)内に順次注入する射出成形システム(10)の分配システム(18)であって、
加圧された前記液状プラスチック材料を受ける流入口(19)と、
前記液状プラスチック材料をキャビティ(34)内に注入する少なくとも第1ノズル(24a)及び第2ノズル(24b)と、
前記流入口(19)と前記第1ノズル(24a)を接続する第1ライン(20a)と、前記第1ライン(20a)と前記第2ノズル(24b)を接続する第2ライン(20b)を有し、前記第1ライン(20a)と前記第1ノズル(24a)が第1流路(40a)を構成し、前記第1ライン(20a)、前記第2ライン(20b)及び前記第2ノズル(24b)が第2流路(40b)を構成し、前記液状プラスチック材料を、前記流入口(19)から、前記第1流路(40a)を経て前記第1ノズル(24a)及び前記第2流路(40b)を経て前記第2ノズル(24b)へと分配するホットランナー分配部(20)であって、前記第1ノズル(24a)が、前記第1ノズル(24a)の流出口を閉鎖するノズルバルブ(30a)を有するホットランナー分配部(20)と、
前記第2ノズル(24b)の前に、前記第2流路(40b)を閉じる分配バルブ(28a)であって、開放状態と閉鎖状態を有する2状態バルブである分配バルブ(28a)と、を有し、
前記第2ライン(20b)の、前記第1ライン(20a)、前記第2ライン(20b)及び前記第1ノズル(24b)を相互に接続する分岐点(22a)の直後に前記分配バルブ(28a)が配置され、
前記液状プラスチック材料が前記第1ノズル(24a)を介して前記キャビティ(34)内に注入される時に、前記分配バルブ(28a)が、前記第2ライン(20b)の容積の少なくとも一部及び前記第2ノズル(24b)の容積を、前記第1流路(40a)から分離し、前記液状プラスチック材料が前記第2ライン(20b)に流通するのを阻止する、分配システム(18)。 - 前記分配部(20)が、前記第2ライン(20a)に接続された第3ライン(20c)と、第3ノズル(24c)とを有し、
前記分配システム(18)が、液状プラスチック材料が前記第3ライン(20c)に流通するのを阻止する第2分配バルブ(28b)を有する、
請求項1に記載の分配システム(18)。 - 前記ノズルバルブ(24a)が、ニードルバルブである、請求項1に記載の分配システム(18)。
- 前記分配バルブ(28a)を制御する制御ユニット(38)をさらに有する、請求項1〜3の1項に記載の分配システム(18)。
- 液状プラスチック材料を生成する供給システム(12)と、
型(32)と、
液状プラスチック材料を供給システム(12)から型(32)へと分配する、請求項1〜4の1項に記載の分配システム(18)と、を有する射出成形システム(10)。 - 射出成形システム(10)の分配システム(18)に流入口(19)から液状プラスチック材料を圧入する工程と、
前記液状プラスチック材料を第1ノズル(24a)を経てキャビティ(34)内に注入する工程であって、前記液状プラスチック材料は、第1流路(40a)を経て前記第1ノズル(24a)へと流れ、その間は前記液状プラスチック材料の第2流路(40b)から第2ノズル(24b)へ至る進入が阻止されている工程と、
前記液状プラスチック材料が前記第2流路(40b)へと進入するよう分配バルブ(28a)を開く工程であって、前記分配バルブ(28a)が開放状態と閉鎖状態を有する2状態バルブである工程と、
前記分配バルブ(28a)を開いた後に前記ノズル(24a)を閉じる工程と、
前記液状プラスチック材料を前記第2流路(40b)を経て前記キャビティ(34)へと注入する工程と、を有し、
前記第1流路(40a)は第1ライン(20a)と前記第1ノズル(24a)から構成され、前記第2流路(40b)は前記第1ライン(20a)、第2ライン(20b)及び前記第2ノズル(24b)から構成され、前記第1ライン(20a)は前記流入口(19)と前記第1ノズル(24a)を接続し、前記第2ライン(20b)は前記第1ライン(20a)と前記第2ノズル(24b)を接続し、
前記第2ライン(20b)上の、前記第1ライン(20a)、前記第2ライン(20b)及び前記第1ノズル(24b)を相互に接続する分岐点(22a)の直後に前記分配バルブ(28a)を配置する、射出成形法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11184705 | 2011-10-11 | ||
EP11184705.9 | 2011-10-11 | ||
PCT/EP2012/069840 WO2013053664A1 (en) | 2011-10-11 | 2012-10-08 | Distribution system for injection moulding |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014531999A JP2014531999A (ja) | 2014-12-04 |
JP5829338B2 true JP5829338B2 (ja) | 2015-12-09 |
Family
ID=46982617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014535016A Expired - Fee Related JP5829338B2 (ja) | 2011-10-11 | 2012-10-08 | 射出成形用分配システム、それを有する射出成形システム及び射出成形法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20140232044A1 (ja) |
EP (1) | EP2766169A1 (ja) |
JP (1) | JP5829338B2 (ja) |
KR (1) | KR101653074B1 (ja) |
CN (1) | CN103857514B (ja) |
CA (1) | CA2850855C (ja) |
WO (1) | WO2013053664A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10543629B2 (en) * | 2014-12-11 | 2020-01-28 | Inglass S.P.A. | Method and apparatus for injection molding of plastic materials |
CN106363884A (zh) * | 2016-08-31 | 2017-02-01 | 江苏新泉汽车饰件股份有限公司 | 一种商用车遮阳罩的注塑成型方法 |
CN110744786B (zh) * | 2019-11-01 | 2022-04-08 | 珠海格力智能装备有限公司 | 注塑机的控制方法及装置、注塑机设备 |
DE102019130905A1 (de) * | 2019-11-15 | 2021-05-20 | Meusburger Deutschland Gmbh | Anordnung zum Einspritzen von Kunststoff in eine langgestreckte Spritzgussform einer Kunststoffspritzmaschine |
EP4015183A1 (en) * | 2020-12-16 | 2022-06-22 | Ningbo Geely Automobile Research & Development Co. Ltd. | Injection moulding apparatus and method to reduce velocity increase of flow front during injection moulding |
Family Cites Families (25)
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CH538928A (de) * | 1971-06-14 | 1973-07-15 | Hanning Robert | Verfahren zum Herstellen von insbesondere grossflächigen Gegeständen durch Spritzgiessen eines Gemisches aus plasiziertem Kunststoff und einem Treibmittel und dafür geeignete Spritzgussmaschine |
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EP0370050B1 (en) * | 1987-07-08 | 1994-05-18 | Primtec | Hold-pressure control and clamping in stacked multi-parting molding system having desynchronized injection periods |
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EP0630731A1 (en) * | 1993-06-23 | 1994-12-28 | Siebolt Hettinga | Method for molding a plastic article using a multi-point volume control system |
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-
2012
- 2012-10-08 CA CA2850855A patent/CA2850855C/en not_active Expired - Fee Related
- 2012-10-08 EP EP12769439.6A patent/EP2766169A1/en not_active Withdrawn
- 2012-10-08 JP JP2014535016A patent/JP5829338B2/ja not_active Expired - Fee Related
- 2012-10-08 CN CN201280049336.6A patent/CN103857514B/zh not_active Expired - Fee Related
- 2012-10-08 KR KR1020147012286A patent/KR101653074B1/ko active IP Right Grant
- 2012-10-08 US US14/350,242 patent/US20140232044A1/en not_active Abandoned
- 2012-10-08 WO PCT/EP2012/069840 patent/WO2013053664A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN103857514B (zh) | 2016-09-21 |
KR20140074991A (ko) | 2014-06-18 |
CA2850855A1 (en) | 2013-04-18 |
JP2014531999A (ja) | 2014-12-04 |
WO2013053664A1 (en) | 2013-04-18 |
KR101653074B1 (ko) | 2016-08-31 |
CA2850855C (en) | 2018-05-01 |
US20140232044A1 (en) | 2014-08-21 |
CN103857514A (zh) | 2014-06-11 |
EP2766169A1 (en) | 2014-08-20 |
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