JP5131836B2 - 可塑化装置および可塑化方法 - Google Patents
可塑化装置および可塑化方法 Download PDFInfo
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- JP5131836B2 JP5131836B2 JP2008072637A JP2008072637A JP5131836B2 JP 5131836 B2 JP5131836 B2 JP 5131836B2 JP 2008072637 A JP2008072637 A JP 2008072637A JP 2008072637 A JP2008072637 A JP 2008072637A JP 5131836 B2 JP5131836 B2 JP 5131836B2
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- Prior art keywords
- heating cylinder
- plasticizing
- gas
- opening
- screw
- 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.)
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- 238000000034 method Methods 0.000 title claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 76
- 239000007789 gas Substances 0.000 claims description 43
- 239000011261 inert gas Substances 0.000 claims description 18
- 239000012778 molding material Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 229920005989 resin Polymers 0.000 description 30
- 239000011347 resin Substances 0.000 description 30
- 239000000463 material Substances 0.000 description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 23
- 229910001873 dinitrogen Inorganic materials 0.000 description 23
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- 238000001746 injection moulding Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material 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
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
2 加熱筒
3 スクリュ
4 内孔
6 材料供給装置
8 窒素ガス供給装置(気体供給手段)
20 真空ポンプ(負圧発生手段)
Claims (3)
- スクリュが配設された加熱筒内で成形材料を溶融状態として加熱筒前方から排出する可塑化装置において、
加熱筒の開口部よりも後方の後方部2bから加熱筒内に向けて供給していた不活性ガスまたは乾燥空気の供給を成形サイクル中の少なくとも可塑化工程の80パーセント以上の期間だけは停止するか又は供給量を減少させる気体供給手段と、
加熱筒外に開口部を有し加熱筒内を常時負圧にする負圧発生手段とが設けられたことを特徴とする可塑化装置。 - 加熱筒の開口部が形成された部分が固定されるハウジングは、温度を上げることが可能に設けられていることを特徴とする請求項1に記載の可塑化装置。
- スクリュが配設された加熱筒内で成形材料を溶融状態として加熱筒前方から排出する可塑化方法において、
加熱筒外から加熱筒内を常時負圧に吸引しつつ、加熱筒の開口部よりも後方の後方部2bから加熱筒内に向けて供給していた不活性ガスまたは乾燥空気の供給を成形サイクルにおける少なくとも可塑化工程の80パーセント以上の期間だけは停止するか又は供給量を減少させることを特徴とする可塑化方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008072637A JP5131836B2 (ja) | 2008-03-20 | 2008-03-20 | 可塑化装置および可塑化方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008072637A JP5131836B2 (ja) | 2008-03-20 | 2008-03-20 | 可塑化装置および可塑化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009226652A JP2009226652A (ja) | 2009-10-08 |
JP5131836B2 true JP5131836B2 (ja) | 2013-01-30 |
Family
ID=41242659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008072637A Active JP5131836B2 (ja) | 2008-03-20 | 2008-03-20 | 可塑化装置および可塑化方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5131836B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6385855B2 (ja) * | 2015-02-26 | 2018-09-05 | 住友重機械工業株式会社 | 射出装置 |
CN114516143A (zh) * | 2022-01-27 | 2022-05-20 | 任豪杰 | 一种高效能注塑机 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3898858B2 (ja) * | 1999-09-24 | 2007-03-28 | 三菱エンジニアリングプラスチックス株式会社 | 成形装置、及び、成形装置における強制掃気方法 |
JP2001252946A (ja) * | 2000-03-13 | 2001-09-18 | Canon Inc | 成形方法及び成形装置及び成形品 |
JP2003103566A (ja) * | 2001-09-28 | 2003-04-09 | Kawata Mfg Co Ltd | 溶融成形機のガス除去装置 |
JP4142995B2 (ja) * | 2003-07-30 | 2008-09-03 | 株式会社松井製作所 | 合成樹脂成形機用樹脂原料の供給装置及び合成樹脂成形機のガス吸引方法 |
JP2006035847A (ja) * | 2004-06-21 | 2006-02-09 | Mamada Sangyo:Kk | 射出成形装置および該射出成形装置を用いた樹脂材料の供給方法 |
JP4797500B2 (ja) * | 2005-08-04 | 2011-10-19 | 大日本印刷株式会社 | 樹脂成形機の樹脂押出し装置及び押出し方法 |
JP2007185845A (ja) * | 2006-01-12 | 2007-07-26 | Sumitomo Heavy Ind Ltd | 可塑化装置及びその制御方法 |
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2008
- 2008-03-20 JP JP2008072637A patent/JP5131836B2/ja active Active
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Publication number | Publication date |
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JP2009226652A (ja) | 2009-10-08 |
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