JP6639981B2 - 射出成形機 - Google Patents
射出成形機 Download PDFInfo
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- JP6639981B2 JP6639981B2 JP2016060666A JP2016060666A JP6639981B2 JP 6639981 B2 JP6639981 B2 JP 6639981B2 JP 2016060666 A JP2016060666 A JP 2016060666A JP 2016060666 A JP2016060666 A JP 2016060666A JP 6639981 B2 JP6639981 B2 JP 6639981B2
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- spline
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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
- B29C45/76—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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
-
- 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
- B29C45/50—Axially movable screw
- B29C45/5008—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
- B29C45/46—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
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
- B29C2045/504—Drive means therefor electric motors for rotary and axial movement of the screw being coaxial with the 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
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
- B29C2045/5052—Drive means therefor screws axially driven by a rotatable nut cooperating with a fixed screw shaft
-
- 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
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
- B29C2045/5056—Drive means therefor screws axially driven by a rotatable screw shaft cooperating with a fixed nut
-
- 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
- B29C2945/76177—Location of measurement
- B29C2945/7618—Injection unit
- B29C2945/76214—Injection unit drive means
-
- 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
- B29C2945/76367—Metering
-
- 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
- B29C2945/76451—Measurement means
- B29C2945/76481—Strain gauges
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
成形材料が供給されるシリンダ内において進退自在とされる可動部と、
前記可動部を前進させることで、前記シリンダ内の成形材料を送り出す射出モータと、
前記射出モータの駆動力を前記可動部に伝達する伝達部と、
前記伝達部に設けられ荷重を検出する荷重検出部と、
前記荷重検出部の検出値に基づいて前記可動部から前記成形材料に作用する荷重を算出する荷重算出部とを有し、
前記伝達部は、前記射出モータによって回転させられる射出スプラインナットと、前記射出スプラインナットにスプライン結合される射出スプライン軸とで構成される射出スプライン部と、前記射出スプライン軸の前端から前方に延びるボールねじ軸と、前記ボールねじ軸を回転自在に且つ進退自在に支持するボールねじナットと、前記ボールねじ軸の前端から前方に延びる回転軸と、前記回転軸を回転自在に支持する軸受と、前記軸受を保持する軸受ホルダと、前記軸受ホルダと前記可動部を連結するカップリングとを含み、
前記荷重算出部は、前記可動部の前進時には前記荷重検出部の検出値から前記射出スプライン部の摺動抵抗を引算して前記可動部から前記成形材料に作用する荷重を算出し、前記可動部の後退時には前記荷重検出部の検出値に前記射出スプライン部の摺動抵抗を加算して前記可動部から前記成形材料に作用する荷重を算出する、射出成形機が提供される。
41 シリンダ
42 ノズル
43 スクリュ
45 計量モータ
46 射出モータ
47 荷重検出器
51 軸受ホルダ
51a 計量スプライン軸
54 計量スプラインナット
55 駆動軸
55a 射出スプライン軸
57 射出スプラインナット
90 制御装置
Claims (3)
- 成形材料が供給されるシリンダ内において進退自在とされる可動部と、
前記可動部を前進させることで、前記シリンダ内の成形材料を送り出す射出モータと、
前記射出モータの駆動力を前記可動部に伝達する伝達部と、
前記伝達部に設けられ荷重を検出する荷重検出部と、
前記荷重検出部の検出値に基づいて前記可動部から前記成形材料に作用する荷重を算出する荷重算出部とを有し、
前記伝達部は、前記射出モータによって回転させられる射出スプラインナットと、前記射出スプラインナットにスプライン結合される射出スプライン軸とで構成される射出スプライン部と、前記射出スプライン軸の前端から前方に延びるボールねじ軸と、前記ボールねじ軸を回転自在に且つ進退自在に支持するボールねじナットと、前記ボールねじ軸の前端から前方に延びる回転軸と、前記回転軸を回転自在に支持する軸受と、前記軸受を保持する軸受ホルダと、前記軸受ホルダと前記可動部を連結するカップリングとを含み、
前記荷重算出部は、前記可動部の前進時には前記荷重検出部の検出値から前記射出スプライン部の摺動抵抗を引算して前記可動部から前記成形材料に作用する荷重を算出し、前記可動部の後退時には前記荷重検出部の検出値に前記射出スプライン部の摺動抵抗を加算して前記可動部から前記成形材料に作用する荷重を算出する、射出成形機。 - 前記可動部を回転させる計量モータを有し、
前記伝達部は、前記計量モータによって回転させられる計量スプラインナットと前記計量スプラインナットにスプライン結合される計量スプライン軸とで構成される計量スプライン部を含み、
前記計量スプライン軸は、前記軸受ホルダに設けられ、
前記荷重算出部は、前記可動部の前進時には前記荷重検出部の検出値から前記計量スプライン部の摺動抵抗を引算して前記可動部から前記成形材料に作用する荷重を算出し、前記可動部の後退時には前記荷重検出部の検出値に前記計量スプライン部の摺動抵抗を加算して前記可動部から前記成形材料に作用する荷重を算出する、請求項1に記載の射出成形機。 - 成形材料が供給されるシリンダ内において進退自在とされる可動部と、
前記可動部を前進させることで、前記シリンダ内の成形材料を送り出す射出モータと、
前記可動部を回転させる計量モータと、
前記射出モータ及び前記計量モータの駆動力を前記可動部に伝達する伝達部と、
前記伝達部に設けられ荷重を検出する荷重検出部と、
前記荷重検出部の検出値に基づいて前記可動部から前記成形材料に作用する荷重を算出する荷重算出部とを有し、
前記伝達部は、前記射出モータによって回転させられる射出スプラインナットと、前記射出スプラインナットにスプライン結合される射出スプライン軸とで構成される射出スプライン部と、前記射出スプライン軸の前端から前方に延びるボールねじ軸と、前記ボールねじ軸を回転自在に且つ進退自在に支持するボールねじナットと、前記ボールねじ軸の前端から前方に延びる回転軸と、前記回転軸を回転自在に支持する軸受と、前記軸受を保持する軸受ホルダと、前記軸受ホルダと前記可動部を連結するカップリングと、前記計量モータによって回転させられる計量スプラインナットと前記計量スプラインナットにスプライン結合される計量スプライン軸とで構成される計量スプライン部とを含み、
前記計量スプライン軸は、前記軸受ホルダに設けられ、
前記荷重算出部は、前記可動部の前進時には前記荷重検出部の検出値から前記計量スプライン部の摺動抵抗を引算して前記可動部から前記成形材料に作用する荷重を算出し、前記可動部の後退時には前記荷重検出部の検出値に前記計量スプライン部の摺動抵抗を加算して前記可動部から前記成形材料に作用する荷重を算出する、射出成形機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016060666A JP6639981B2 (ja) | 2016-03-24 | 2016-03-24 | 射出成形機 |
PCT/JP2017/011642 WO2017164284A1 (ja) | 2016-03-24 | 2017-03-23 | 射出成形機 |
CN201780011372.6A CN108698286B (zh) | 2016-03-24 | 2017-03-23 | 注射成型机 |
EP17770324.6A EP3434439B1 (en) | 2016-03-24 | 2017-03-23 | Injection molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016060666A JP6639981B2 (ja) | 2016-03-24 | 2016-03-24 | 射出成形機 |
Publications (2)
Publication Number | Publication Date |
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JP2017170798A JP2017170798A (ja) | 2017-09-28 |
JP6639981B2 true JP6639981B2 (ja) | 2020-02-05 |
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JP2016060666A Active JP6639981B2 (ja) | 2016-03-24 | 2016-03-24 | 射出成形機 |
Country Status (4)
Country | Link |
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EP (1) | EP3434439B1 (ja) |
JP (1) | JP6639981B2 (ja) |
CN (1) | CN108698286B (ja) |
WO (1) | WO2017164284A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021056117A1 (en) * | 2019-09-26 | 2021-04-01 | Niigon Machines Ltd. | Injection apparatus and related methods |
JP7455639B2 (ja) * | 2020-03-31 | 2024-03-26 | 住友重機械工業株式会社 | 射出成形機 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3245391B2 (ja) | 1997-11-11 | 2002-01-15 | 住友重機械工業株式会社 | ビルトインモータ型射出装置 |
JP3288028B2 (ja) * | 2000-02-15 | 2002-06-04 | 住友重機械工業株式会社 | 電動射出成形機の射出装置 |
JP3522648B2 (ja) * | 2000-05-16 | 2004-04-26 | 住友重機械工業株式会社 | 電動式型締装置 |
US20060145396A1 (en) * | 2003-07-08 | 2006-07-06 | Sumitomo Heavy Industries, Ltd | Drive device for injection molding machine and molding method |
JP5401078B2 (ja) * | 2008-11-06 | 2014-01-29 | 東芝機械株式会社 | 射出成形機、及びその制御方法 |
CN203572607U (zh) * | 2013-10-29 | 2014-04-30 | 格林精密部件(苏州)有限公司 | 输入轴花键配合力检具 |
-
2016
- 2016-03-24 JP JP2016060666A patent/JP6639981B2/ja active Active
-
2017
- 2017-03-23 CN CN201780011372.6A patent/CN108698286B/zh active Active
- 2017-03-23 EP EP17770324.6A patent/EP3434439B1/en active Active
- 2017-03-23 WO PCT/JP2017/011642 patent/WO2017164284A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3434439B1 (en) | 2020-12-09 |
JP2017170798A (ja) | 2017-09-28 |
WO2017164284A1 (ja) | 2017-09-28 |
CN108698286A (zh) | 2018-10-23 |
EP3434439A4 (en) | 2019-11-27 |
CN108698286B (zh) | 2021-03-26 |
EP3434439A1 (en) | 2019-01-30 |
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