JP6603365B2 - プラスチック材料の射出成形方法及び装置 - Google Patents
プラスチック材料の射出成形方法及び装置 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims description 41
- 238000001746 injection moulding Methods 0.000 title claims description 12
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- 238000002347 injection Methods 0.000 claims description 41
- 239000007924 injection Substances 0.000 claims description 41
- 238000000465 moulding Methods 0.000 claims description 21
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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
- B29C45/2701—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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
-
- 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
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
- B29C45/231—Needle valve systems 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
- B29C45/03—Injection moulding apparatus
-
- 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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- 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
- B29C45/20—Injection 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
- B29C45/17—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
- B29C45/26—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
- B29C2045/2824—Needle valves driven by an electric motor
-
- 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
- B29C2945/7602—Torque
-
- 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
- B29C2945/76177—Location of measurement
- B29C2945/76254—Mould
- B29C2945/76274—Mould runners, 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
- B29C2945/76344—Phase or stage of measurement
- B29C2945/76381—Injection
-
- 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
- B29C2945/76344—Phase or stage of measurement
- B29C2945/76384—Holding, dwelling
-
- 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
-
- 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
- B29C2945/76862—Holding, dwelling
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
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
ブの直径及び注入圧力に応じる)スラスト力である。
Claims (10)
- 閉止位置と開放位置との間で移動可能なバルブピン(7)を含む少なくとも1つのインジェクタ(3;3a−3d)に接続された加圧下の流体プラスチック材料の分配器(2)を備える成形装置によって、モールドキャビティ(S)にプラスチック材料を射出成形する方法であって、
バルブピン(7)は、電気回転アクチュエータ(8;8a−8d)によって制御可能に操作されるようになっており、
バルブピン(7)が閉止位置から開放位置への経路にあるとき、電気回転アクチュエータ(8;8a−8d)によって生じるトルクの値を検出する少なくとも1つの工程を備え、検出されたトルク値は、モールドキャビティ内の注入圧力と関連し、成形プロセスを操作するのに使用されるようになっており、
閉止位置から開放位置へのバルブピン(7)の動作は、不連続であり、トルク値を検出する工程が行われることにおいて、バルブピン(7)の少なくとも1つの一時的な停止工程を含んでいる、方法。
- さらに、注入されたプラスチック材料の加圧下のパッキング工程を備えており、それにおいて、バルブピン(7)は、開放位置で静止が維持され、バルブピン(7)の次の戻り工程で閉止位置へ戻り、パッキング工程の間及び/又は閉止位置への戻り工程の間、バルブピン(7)の電気回転アクチュエータ(8;8a−8d)によって生じるトルクの値を検出する少なくとも1つのさらなる工程を備えている、請求項1記載の方法。
- 一時的な停止工程は、閉止位置に向かってバルブピン(7)がプリセットされた量だけ戻る工程に続かれている、請求項1又は2に記載の方法。
- 閉止位置から開放位置へのバルブピン(7)の速度は、第1初期速度から第1初期速度より少なくとも半分高い速度まで変化可能である、請求項1〜3のいずれか1つに記載の方法。
- 初期キャリブレーション工程を含んでおり、
一連のバルブピン(7)の開放及び閉止サイクルの間、モールド(S)にプラスチック材料を注入せずにトルク値を検出する工程が行われる、請求項1〜4のいずれか1つに記載の方法。
- 成形装置は、複数のインジェクタ(3a−3d)を備えており、それぞれは、各電気回転アクチュエータ(8a−8d)によって操作され、それぞれ、モールドキャビティ(S)の一般の中央区域及び一般の周辺区域に配置され、
インジェクタ(3a−3d)は、一般の中央インジェクタ(3a、3b)のバルブピン(7)が、一般の周辺インジェクタ(3c、3d)のバルブピン(7)の前に、閉止位置から開放位置に移動するよう、連続して操作され、それによって、モールドキャビティ(S)は、一般の中央区域から一般の周辺区域に向かって徐々に充填され、
各バルブピン(7)の電気回転アクチュエータ(8a−8d)によって生じるトルクの値が検出され、検出されたトルク値は、成形プロセスを操作するのに使用されるようになっている、請求項1〜5のいずれか1つに記載の方法。
- 検出されたトルク値は、関連するバルブピン(7)の動作変化によってトルクを基本的に均一とするよう使用される、請求項6記載の方法。
- モールドキャビティ(S)にプラスチック材料を射出成形する装置であって、
閉止位置と開放位置との間で移動可能なバルブピン(7)を含む少なくとも1つのインジェクタ(3;3a−3d)に接続された加圧下の流体プラスチック材料の分配器(2)を備えており、
バルブピン(7)は、電気回転アクチュエータ(8;8a−8d)によって制御可能に操作されるようになっており、
少なくとも、バルブピン(7)が閉止位置から開放位置への経路にあるとき、電気回転アクチュエータ(8;8a−8d)によって生じるトルクの値を検出し、成形プロセスを制御するために、モールドキャビティ内の注入圧力と関連する検出されたトルク値を使用するように構成されており、
閉止位置から開放位置へのバルブピン(7)の動作は、不連続であり、トルク値を検出する工程が行われることにおいて、バルブピンは、少なくとも1度、一時的に停止するようになっている、装置。
- 開放移動の最後において、バルブピン(7)は、注入されたプラスチック材料のパッキング工程の間、静止が維持され、そして閉止位置に戻り、
パッキング工程の間及び/又はバルブピン(7)の閉止位置への戻りの間、電気回転アクチュエータ(8;8a−8d)によって生じるトルクの値を検出するように構成されている、請求項8記載の装置。
- 閉止位置から開放位置へのバルブピン(7)の動作を、不連続の形で行うよう構成されており、トルク値を検出するところにおいて、バルブピン(7)の少なくとも1つの一時的な停止工程を備えている、請求項8又は9に記載の装置。
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US (2) | US9981414B2 (ja) |
JP (2) | JP6368695B2 (ja) |
KR (2) | KR20160030047A (ja) |
CN (1) | CN105397994B (ja) |
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US10590117B2 (en) * | 2014-06-30 | 2020-03-17 | Husky Injection Holding Systems Ltd. | Spring retaining pin for valve stem retention |
US10543629B2 (en) | 2014-12-11 | 2020-01-28 | Inglass S.P.A. | Method and apparatus for injection molding of plastic materials |
IT201700037002A1 (it) * | 2017-04-04 | 2018-10-04 | Inglass Spa | Procedimento, apparecchiatura e pressa di stampaggio ad iniezione di materie plastiche |
IT201700080662A1 (it) * | 2017-07-17 | 2019-01-17 | Inglass Spa | Apparecchiatura di stampaggio ad iniezione di materie plastiche |
IT201800002639A1 (it) * | 2018-02-13 | 2019-08-13 | Inglass Spa | Procedimento e apparecchiatura di stampaggio ad iniezione di materie plastiche |
US11618195B2 (en) * | 2018-03-13 | 2023-04-04 | Inglass S.P.A. | Apparatus for injection molding of plastic materials |
IT201800003490A1 (it) * | 2018-03-13 | 2019-09-13 | Inglass Spa | Apparecchiatura di stampaggio ad iniezione di materie plastiche |
JP6405067B1 (ja) * | 2018-04-13 | 2018-10-17 | 株式会社ブイテックス | ゲートバルブの制御方法 |
IT201800004581A1 (it) * | 2018-04-16 | 2019-10-16 | Apparecchiatura di stampaggio ad iniezione di materie plastiche | |
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BR102015021504B1 (pt) | 2020-10-27 |
KR20160030047A (ko) | 2016-03-16 |
DE102015114845B4 (de) | 2020-07-02 |
US9981414B2 (en) | 2018-05-29 |
KR20180108549A (ko) | 2018-10-04 |
JP2016055638A (ja) | 2016-04-21 |
CN105397994A (zh) | 2016-03-16 |
US20160067901A1 (en) | 2016-03-10 |
BR102015021504A2 (pt) | 2016-10-04 |
US10137622B2 (en) | 2018-11-27 |
CN105397994B (zh) | 2019-06-28 |
KR102161890B1 (ko) | 2020-10-05 |
JP2018161892A (ja) | 2018-10-18 |
DE102015114845A1 (de) | 2016-03-10 |
US20180243961A1 (en) | 2018-08-30 |
JP6368695B2 (ja) | 2018-08-01 |
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