JP6754018B1 - スクリュー、押出機及び押出方法 - Google Patents
スクリュー、押出機及び押出方法 Download PDFInfo
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- 238000001125 extrusion Methods 0.000 title claims abstract description 59
- 229920001971 elastomer Polymers 0.000 claims abstract description 94
- 239000000806 elastomer Substances 0.000 claims abstract description 90
- 230000004888 barrier function Effects 0.000 claims abstract description 48
- 238000004898 kneading Methods 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 13
- 239000010409 thin film Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- 238000010008 shearing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- -1 silica compound Chemical class 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 2
- 230000000669 biting effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/422—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
- B29B7/429—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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/595—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread having non-uniform width
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/687—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/681—Barrels or cylinders for single screws
-
- 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
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- 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
- B29K2021/00—Use of unspecified rubbers as moulding material
- B29K2021/003—Thermoplastic elastomers
-
- 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
- B29K2509/00—Use of inorganic materials not provided for in groups B29K2503/00 - B29K2507/00, as filler
- B29K2509/02—Ceramics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Formation And Processing Of Food Products (AREA)
Abstract
Description
図1は、本実施形態の押出機1を示す側面図である。図1に示されるように、本実施形態の押出機1は、可塑性のエラストマーGを混練しながら押出方向Aに押し出すためのスクリュー2と、スクリュー2を内部に配するバレル3とを含んでいる。
図4は、本実施形態の押出方法のフローチャートである。図4に示されるように、本実施形態の押出方法は、押出機1を用いて、好ましくは、50phr以上、より好ましくは、100phr以上のシリカを配合したハイシリカ配合のエラストマーGを押し出すのに好適である。
エラストマー : シリカが100phr配合された未加硫ゴム
第1領域 : 2条ねじ
第2領域 : 2条ねじ
押し出されたエラストマーの表面状態が、算術平均高さで求められる表面粗さとして測定された。結果は、表面粗さの逆数が比較例1を100とする指数で示され、数値が大きいほど、表面状態が良好であり、品質に優れていることを示す。
押し出されたエラストマーの吐出量が測定された。結果は、比較例1を100とする指数で示され、数値が大きいほど、吐出量が大きく、生産性に優れていることを示す。
5 螺旋翼
6 第1領域
9 バリア
Claims (8)
- シリカが100phr以上配合されたハイシリカ配合の可塑性のエラストマーを混練しながら押し出すための螺旋翼を有するスクリューであって、
最も押出方向下流側に配された第1領域を有し、
前記第1領域には、押出方向で隣り合う前記螺旋翼の間を、スクリュー軸方向に対して傾斜して延びるバリアが形成され、
前記バリアの長手方向の長さは、前記第1領域における前記螺旋翼のリード長さの1.5〜3.0倍であり、
前記バリアの高さは、前記螺旋翼の高さよりも小さく、かつ、前記螺旋翼の高さと前記バリアの高さとの差が2〜10mmであり、
前記バリアの厚さは、前記螺旋翼の高さと前記バリアの高さとの差の0.9〜3.0倍である、
スクリュー。 - 前記第1領域には、1〜4枚の前記バリアが形成されている、請求項1に記載のスクリュー。
- 前記第1領域の押出方向上流側に配された第2領域を有し、
前記第2領域には、前記螺旋翼にピン通過用の切欠部が形成されている、請求項1又は2に記載のスクリュー。 - 前記第2領域の押出方向上流側に前記第2領域に連続して配された第3領域を有し、
前記第3領域は、前記螺旋翼の少なくとも一部が1条ねじで形成されている、請求項3に記載のスクリュー。 - 前記第3領域の最も押出方向上流側の一部は、多条ねじで形成されている、請求項4に記載のスクリュー。
- 請求項3ないし5のいずれか1項に記載のスクリューと、前記スクリューを内部に配するバレルとを含む押出機であって、
前記バレルは、前記第2領域の前記螺旋翼に形成された前記切欠部に挿入される複数のピンを含む、
押出機。 - 請求項1ないし5のいずれか1項に記載のスクリューと、前記スクリューを内部に配するバレルとを含む、
押出機。 - 請求項6又は7に記載の押出機を用いて、前記エラストマーを押し出すための押出方法であって、
前記バレルの内部に、前記エラストマーを投入する投入工程と、
前記エラストマーを混練しながら押し出す押出工程とを含み、
前記押出工程は、前記バリアにより、前記エラストマーを薄膜状に変形させる変形工程を含む、
押出方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020008850A JP6754018B1 (ja) | 2020-01-23 | 2020-01-23 | スクリュー、押出機及び押出方法 |
PCT/JP2020/036056 WO2021149304A1 (ja) | 2020-01-23 | 2020-09-24 | スクリュー、押出機及び押出方法 |
US17/759,274 US20230075388A1 (en) | 2020-01-23 | 2020-09-24 | Screw, extruder and extrusion method |
CN202080091638.4A CN114901452A (zh) | 2020-01-23 | 2020-09-24 | 螺杆、挤出机以及挤出方法 |
KR1020227022866A KR20220130684A (ko) | 2020-01-23 | 2020-09-24 | 스크루, 압출기 및 압출 방법 |
EP20914811.3A EP4074482A4 (en) | 2020-01-23 | 2020-09-24 | SCREW, EXTRUDER AND EXTRUSION PROCESS |
TW109140767A TW202128383A (zh) | 2020-01-23 | 2020-11-20 | 螺桿、擠出機及擠出方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2020008850A JP6754018B1 (ja) | 2020-01-23 | 2020-01-23 | スクリュー、押出機及び押出方法 |
Publications (2)
Publication Number | Publication Date |
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JP6754018B1 true JP6754018B1 (ja) | 2020-09-09 |
JP2021115715A JP2021115715A (ja) | 2021-08-10 |
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JP2020008850A Active JP6754018B1 (ja) | 2020-01-23 | 2020-01-23 | スクリュー、押出機及び押出方法 |
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Country | Link |
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US (1) | US20230075388A1 (ja) |
EP (1) | EP4074482A4 (ja) |
JP (1) | JP6754018B1 (ja) |
KR (1) | KR20220130684A (ja) |
CN (1) | CN114901452A (ja) |
TW (1) | TW202128383A (ja) |
WO (1) | WO2021149304A1 (ja) |
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WO2020118648A1 (zh) * | 2018-12-14 | 2020-06-18 | 湖南中烟工业有限责任公司 | 一种成型装置、卷烟滤棒及其制备方法 |
KR102475090B1 (ko) * | 2022-05-17 | 2022-12-08 | (주)청솔씨앤티 | 포장재 생활계 폐기물용 용융기 |
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2020
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- 2020-09-24 WO PCT/JP2020/036056 patent/WO2021149304A1/ja unknown
- 2020-09-24 KR KR1020227022866A patent/KR20220130684A/ko unknown
- 2020-09-24 US US17/759,274 patent/US20230075388A1/en active Pending
- 2020-09-24 CN CN202080091638.4A patent/CN114901452A/zh active Pending
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US20230075388A1 (en) | 2023-03-09 |
EP4074482A1 (en) | 2022-10-19 |
KR20220130684A (ko) | 2022-09-27 |
TW202128383A (zh) | 2021-08-01 |
CN114901452A (zh) | 2022-08-12 |
WO2021149304A1 (ja) | 2021-07-29 |
EP4074482A4 (en) | 2024-02-21 |
JP2021115715A (ja) | 2021-08-10 |
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