JP2019018522A - 発泡成形用の射出成形機 - Google Patents
発泡成形用の射出成形機 Download PDFInfo
- Publication number
- JP2019018522A JP2019018522A JP2017141680A JP2017141680A JP2019018522A JP 2019018522 A JP2019018522 A JP 2019018522A JP 2017141680 A JP2017141680 A JP 2017141680A JP 2017141680 A JP2017141680 A JP 2017141680A JP 2019018522 A JP2019018522 A JP 2019018522A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- stage
- screw
- inert gas
- injection molding
- 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.)
- Granted
Links
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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
- B29C45/1816—Feeding auxiliary material, e.g. colouring 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
-
- 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
-
- 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
-
- 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
- B29C45/63—Venting or degassing 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
- 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
- B29C45/1701—Component parts, details or accessories; Auxiliary operations using a particular environment during moulding, e.g. moisture-free or dust-free
- B29C2045/1702—Component parts, details or accessories; Auxiliary operations using a particular environment during moulding, e.g. moisture-free or dust-free dissolving or absorbing a fluid in the plastic 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
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
- B29C2045/1722—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles injecting fluids containing plastic 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
- B29C2045/605—Screws comprising a zone or shape enhancing the degassing of the plastic 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Description
請求項2に記載の発明は、請求項1に記載の射出成形機において、前記スクリュは前記第2のステージにおいて前記シール構造に隣接して降圧緩和区間が設けられ、前記降圧緩和区間は、フライト間のスクリュ溝が浅い浅溝部が少なくとも軸方向に2カ所以上形成されていることを特徴とする発泡成形用の射出成形機として構成される。
請求項3に記載の発明は、請求項1または2に記載の射出成形機において、前記ガス供給孔は開閉機構を備えていることを特徴とする発泡成形用の射出成形機として構成される。
請求項4に記載の発明は、請求項1〜3のいずれかの項に記載の射出成形機において、前記ガス供給孔は前記加熱シリンダにおいて軸方向に所定の間隔を開けて2個以上設けられていることを特徴とする発泡成形用の射出成形機として構成される。
請求項5に記載の発明は、請求項1〜4のいずれかの項に記載の射出成形機において、前記加熱シリンダには前記飢餓区間に対応して樹脂圧力センサが設けられていることを特徴とする発泡成形用の射出成形機として構成される。
3 スクリュ 5 第1のステージ
6 第2のステージ 7 シール構造
8 第1の圧縮区間 9 飢餓区間
10 第2の圧縮区間 11 降圧緩和区間
12 深溝部 13 浅溝部
15 シール 16 流動制御機構
18 連通路 19 弁機構
20 着座面 22 ポペット弁
23 頭部 24 軸部
26 皿バネ 27 リティナ
28 樹脂路 31 ガスボンベ
32A、32B 第1、2の注入部
33 樹脂圧力センサ
Claims (5)
- 加熱シリンダと該加熱シリンダ内で回転方向と軸方向とに駆動可能に設けられているスクリュとからなる射出成形機であって、
前記加熱シリンダは、前記スクリュの形状に従って後方の第1のステージと前方の第2のステージとに区分され、前記第1のステージには樹脂を圧縮する第1の圧縮区間が、そして前記第2のステージには樹脂の圧力を低下させる飢餓区間と樹脂を圧縮する第2の圧縮区間とがそれぞれ形成され、
前記加熱シリンダには前記飢餓区間に対応する位置に不活性ガスを注入するガス注入孔が設けられており、
前記スクリュは、前記第1、2のステージの境界において樹脂と不活性ガスの逆流を防止する所定のシール構造が設けられ、前記第2のステージにおけるフライトは2条以上の多条フライトになっていると共にリード角が10〜45度の範囲になっていることを特徴とする発泡成形用の射出成形機。 - 請求項1に記載の射出成形機において、前記スクリュは前記第2のステージにおいて前記シール構造に隣接して降圧緩和区間が設けられ、前記降圧緩和区間は、フライト間のスクリュ溝が浅い浅溝部が少なくとも軸方向に2カ所以上形成されていることを特徴とする発泡成形用の射出成形機。
- 請求項1または2に記載の射出成形機において、前記ガス供給孔は開閉機構を備えていることを特徴とする発泡成形用の射出成形機。
- 請求項1〜3のいずれかの項に記載の射出成形機において、前記ガス供給孔は前記加熱シリンダにおいて軸方向に所定の間隔を開けて2個以上設けられていることを特徴とする発泡成形用の射出成形機。
- 請求項1〜4のいずれかの項に記載の射出成形機において、前記加熱シリンダには前記飢餓区間に対応して樹脂圧力センサが設けられていることを特徴とする発泡成形用の射出成形機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017141680A JP6570582B2 (ja) | 2017-07-21 | 2017-07-21 | 発泡成形用の射出成形機 |
PCT/JP2018/026509 WO2019017293A1 (ja) | 2017-07-21 | 2018-07-13 | 発泡成形用の射出成形機 |
CN201880047190.9A CN110914033B (zh) | 2017-07-21 | 2018-07-13 | 用于发泡成型的成型机 |
DE112018003747.9T DE112018003747T5 (de) | 2017-07-21 | 2018-07-13 | Formmaschine zum schaumformen |
ATA9219/2018A AT523204B1 (de) | 2017-07-21 | 2018-07-13 | Formmaschine zum Schaumformen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017141680A JP6570582B2 (ja) | 2017-07-21 | 2017-07-21 | 発泡成形用の射出成形機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019018522A true JP2019018522A (ja) | 2019-02-07 |
JP6570582B2 JP6570582B2 (ja) | 2019-09-04 |
Family
ID=65015740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017141680A Active JP6570582B2 (ja) | 2017-07-21 | 2017-07-21 | 発泡成形用の射出成形機 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6570582B2 (ja) |
CN (1) | CN110914033B (ja) |
AT (1) | AT523204B1 (ja) |
DE (1) | DE112018003747T5 (ja) |
WO (1) | WO2019017293A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020142488A (ja) * | 2019-03-08 | 2020-09-10 | 三恵技研工業株式会社 | 発泡成形体の製造装置、発泡成形体の製造方法および発泡成形体製造装置用スクリュ |
JP2020142502A (ja) * | 2019-07-18 | 2020-09-10 | 三恵技研工業株式会社 | 発泡成形体の製造装置、発泡成形体の製造方法および発泡成形体製造装置用スクリュ |
JP2021024240A (ja) * | 2019-08-08 | 2021-02-22 | 三恵技研工業株式会社 | 発泡成形体の製造装置 |
WO2022118662A1 (ja) * | 2020-12-04 | 2022-06-09 | 株式会社日本製鋼所 | ガス供給装置、射出成形機および発泡成形方法 |
DE102022114859A1 (de) | 2021-06-14 | 2022-12-15 | The Japan Steel Works, Ltd. | Spritzgussmaschine für ein Schaumgießen |
WO2023089940A1 (ja) * | 2021-11-17 | 2023-05-25 | 株式会社日本製鋼所 | 発泡成形用の射出装置、射出成形機および発泡成形方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7267386B1 (ja) | 2021-11-19 | 2023-05-01 | 三恵技研工業株式会社 | 発泡成形体製造装置及び発泡成形体製造装置用スクリュ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4629589Y1 (ja) * | 1966-06-30 | 1971-10-13 | ||
JPS5420467Y2 (ja) * | 1974-06-06 | 1979-07-24 | ||
JP4104034B2 (ja) * | 1999-06-18 | 2008-06-18 | 株式会社日本製鋼所 | 熱可塑性樹脂発泡体成形用可塑化装置 |
EP1293319A4 (en) * | 2000-05-31 | 2006-05-24 | Asahi Chemical Ind | INJECTION MOLDING PROCESS |
JP2001341152A (ja) * | 2000-06-05 | 2001-12-11 | Asahi Kasei Corp | 射出成形装置 |
US7107601B2 (en) * | 2000-06-14 | 2006-09-12 | Canon Kabushiki Kaisha | Foam molding method and apparatus |
JP2002192583A (ja) * | 2000-12-26 | 2002-07-10 | Asahi Kasei Corp | 射出成形装置及び射出成形方法 |
JP2002210793A (ja) * | 2001-01-23 | 2002-07-30 | Asahi Kasei Corp | 射出成形方法 |
JP5710813B1 (ja) * | 2014-03-05 | 2015-04-30 | 株式会社日本製鋼所 | 射出成形機のスクリュおよび射出成形機 |
-
2017
- 2017-07-21 JP JP2017141680A patent/JP6570582B2/ja active Active
-
2018
- 2018-07-13 DE DE112018003747.9T patent/DE112018003747T5/de active Pending
- 2018-07-13 AT ATA9219/2018A patent/AT523204B1/de active
- 2018-07-13 WO PCT/JP2018/026509 patent/WO2019017293A1/ja active Application Filing
- 2018-07-13 CN CN201880047190.9A patent/CN110914033B/zh active Active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020142488A (ja) * | 2019-03-08 | 2020-09-10 | 三恵技研工業株式会社 | 発泡成形体の製造装置、発泡成形体の製造方法および発泡成形体製造装置用スクリュ |
WO2020184486A1 (ja) * | 2019-03-08 | 2020-09-17 | 三恵技研工業株式会社 | 発泡成形体の製造装置、発泡成形体の製造方法および発泡成形体製造装置用スクリュ |
JP2020142502A (ja) * | 2019-07-18 | 2020-09-10 | 三恵技研工業株式会社 | 発泡成形体の製造装置、発泡成形体の製造方法および発泡成形体製造装置用スクリュ |
JP2021024240A (ja) * | 2019-08-08 | 2021-02-22 | 三恵技研工業株式会社 | 発泡成形体の製造装置 |
JP7390585B2 (ja) | 2019-08-08 | 2023-12-04 | 三恵技研工業株式会社 | 発泡成形体の製造装置 |
WO2022118662A1 (ja) * | 2020-12-04 | 2022-06-09 | 株式会社日本製鋼所 | ガス供給装置、射出成形機および発泡成形方法 |
DE102022114859A1 (de) | 2021-06-14 | 2022-12-15 | The Japan Steel Works, Ltd. | Spritzgussmaschine für ein Schaumgießen |
KR20220167755A (ko) | 2021-06-14 | 2022-12-21 | 가부시끼가이샤 니혼 세이꼬쇼 | 발포 성형용의 사출 성형기 |
WO2023089940A1 (ja) * | 2021-11-17 | 2023-05-25 | 株式会社日本製鋼所 | 発泡成形用の射出装置、射出成形機および発泡成形方法 |
Also Published As
Publication number | Publication date |
---|---|
AT523204A1 (de) | 2021-06-15 |
DE112018003747T5 (de) | 2020-04-09 |
JP6570582B2 (ja) | 2019-09-04 |
CN110914033B (zh) | 2022-04-01 |
WO2019017293A1 (ja) | 2019-01-24 |
CN110914033A (zh) | 2020-03-24 |
AT523204B1 (de) | 2021-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6570582B2 (ja) | 発泡成形用の射出成形機 | |
JP6211664B1 (ja) | 射出成形機のスクリュおよび射出成形機 | |
US8980147B2 (en) | Kneading apparatus, method for producing thermoplastic resin molded product, and foam injection molding method | |
US9314943B2 (en) | Kneading apparatus and method for producing thermoplastic resin molded product | |
JP5710813B1 (ja) | 射出成形機のスクリュおよび射出成形機 | |
US11504891B2 (en) | Screw of injection molding machine for foam molding and injection molding machine | |
JP5805992B2 (ja) | 発泡成形用射出成形機の射出装置 | |
US11945140B2 (en) | Method for manufacturing foam molded body and foam molded body | |
WO2020145120A1 (ja) | 発泡成形用の射出成形機のスクリュおよび射出成形機 | |
JP6429942B1 (ja) | 発泡成形品の成形方法 | |
KR102231224B1 (ko) | 발포 성형체의 제조방법 및 제조장치 | |
JP6436454B2 (ja) | 溶融材料供給装置 | |
JP2013208843A (ja) | 混練装置及び熱可塑性樹脂成形体の製造方法 | |
JP7128015B2 (ja) | 発泡成形体の製造方法及び製造装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180712 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190528 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190708 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190806 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190806 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6570582 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |