JP5562368B2 - スクリュ対および該スクリュ対を備えた同方向噛合型二軸スクリュ押出機 - Google Patents
スクリュ対および該スクリュ対を備えた同方向噛合型二軸スクリュ押出機 Download PDFInfo
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- JP5562368B2 JP5562368B2 JP2012045573A JP2012045573A JP5562368B2 JP 5562368 B2 JP5562368 B2 JP 5562368B2 JP 2012045573 A JP2012045573 A JP 2012045573A JP 2012045573 A JP2012045573 A JP 2012045573A JP 5562368 B2 JP5562368 B2 JP 5562368B2
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- 229920003002 synthetic resin Polymers 0.000 claims description 85
- 239000000057 synthetic resin Substances 0.000 claims description 85
- 239000002994 raw material Substances 0.000 claims description 83
- 230000002093 peripheral effect Effects 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 43
- 230000032258 transport Effects 0.000 claims description 35
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 230000010006 flight Effects 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 21
- 239000000463 material Substances 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- 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
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/842—Removing liquids in liquid form
-
- 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
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
-
- 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
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
-
- 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
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
- B29B7/483—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs the other mixing parts being discs perpendicular to the screw axis
-
- 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
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
- B29B7/489—Screws
-
- 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
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
-
- 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
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/405—Intermeshing co-rotating 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
- B29C48/25—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
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
-
- 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
-
- 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
- B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
-
- 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
- B29K2901/00—Use of unspecified macromolecular compounds as mould material
- B29K2901/12—Thermoplastic materials
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)
Description
図1は、本発明を適用可能な同方向噛合型二軸スクリュ押出機(以下、押出機)の一例の概略を示す側断面図である。図2は、本発明を適用可能な押出機の他の例の概略を示す側断面図である。
比較例として用いたスクリュについて、図10ないし14を用いて説明する。図10および図11は、比較例に係る一対のスクリュの輸送部が噛合っている状態の外観写真および斜視図である。図12は当該輸送部の側面図である。図13は、図12に示されるスクリュの、輸送部における合成樹脂原料および液体成分の流れを説明するための図である。図14は、図13に示されるスクリュのD−D面における断面図である。
次に、比較結果について説明する。株式会社日本製鋼所の同方向噛合型二軸スクリュ押出機TEX65に実施例に係るスクリュ14および比較例に係るスクリュ17を適用して排水量の比較実験を行った。なお、比較実験におけるスクリュ径は69mmとした。
Claims (6)
- 溝が螺旋状に形成された外周面を有する、同方向噛合型二軸スクリュ押出機用の第1および第2のスクリュを含み、
前記第1および第2のスクリュが噛合った状態で前記第1および第2のスクリュがそれぞれ該スクリュの軸芯を中心に回転することによって、液体成分を含む熱可塑性合成樹脂原料を該軸芯に沿った所定の方向に輸送するとともに該原料から液体成分を取り除くスクリュ対において、
前記第1および第2のスクリュのそれぞれの前記溝の内側面は、前記所定の方向を向いた第1の面と、前記所定の方向とは逆方向を向いた第2の面と、を含み、
前記第1および第2のスクリュの前記第1の面は、前記第1および第2のスクリュが噛合った状態で、それぞれ、前記第2および第1のスクリュの前記外周面と隙間無く合致するように形成されており、
前記第1および第2のスクリュの前記第2の面は、前記第1および第2のスクリュが噛合った状態で、それぞれ、前記第2および第1のスクリュの前記外周面との間に隙間を形成することを特徴とする、スクリュ対。 - 前記第1および第2のスクリュの前記第1の面は、前記第1および第2のスクリュのそれぞれの前記溝の開口側から該溝の底面へ向かうにつれて前記所定の方向に突き出るように湾曲しており、
前記第1および第2のスクリュの前記第2の面は、前記第1および第2のスクリュのそれぞれの半径方向と平行に形成されていることを特徴とする、請求項1に記載のスクリュ対。 - 前記第1および第2のスクリュの前記第1の面および前記第2の面は、前記第1および第2のスクリュのそれぞれの前記溝の開口側から該溝の底面へ向かうにつれて前記所定の方向に突き出るように湾曲していることを特徴とする、請求項1に記載のスクリュ対。
- 前記所定の方向に隣り合う前記溝のピッチとフライトの条数との積であるリードをスクリュ径で除した値が、0.5以上かつ3.0以下であることを特徴とする、請求項1ないし3のいずれか1項に記載のスクリュ対。
- 前記第1および第2のスクリュは、前記溝が形成された部位よりも前記所定の方向側に原料中の液体成分を除去する絞り部をさらに有する、請求項1ないし4のいずれか1項に記載のスクリュ対。
- 請求項1ないし5のいずれか1項に記載のスクリュ対を備えた、同方向噛合型二軸スクリュ押出機。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012045573A JP5562368B2 (ja) | 2012-03-01 | 2012-03-01 | スクリュ対および該スクリュ対を備えた同方向噛合型二軸スクリュ押出機 |
US14/382,247 US9498899B2 (en) | 2012-03-01 | 2013-02-28 | Screw pair and co-rotating intermeshing twin-screw extruder provided with screw pair |
CN201380011988.5A CN104159718B (zh) | 2012-03-01 | 2013-02-28 | 螺杆副和设有螺杆副的同向啮合双螺杆挤出机 |
PCT/JP2013/055520 WO2013129608A1 (ja) | 2012-03-01 | 2013-02-28 | スクリュ対および該スクリュ対を備えた同方向噛合型二軸スクリュ押出機 |
ES13755712T ES2785097T3 (es) | 2012-03-01 | 2013-02-28 | Extrusor de doble tornillo engranado corrotativo |
EP13755712.0A EP2821196B1 (en) | 2012-03-01 | 2013-02-28 | Co-rotating intermeshing twin-screw extruder |
KR1020147027791A KR101528717B1 (ko) | 2012-03-01 | 2013-02-28 | 스크류 쌍 및 스크류 쌍이 제공된 동방향 교합용 2축-스크류 압출기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012045573A JP5562368B2 (ja) | 2012-03-01 | 2012-03-01 | スクリュ対および該スクリュ対を備えた同方向噛合型二軸スクリュ押出機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013180483A JP2013180483A (ja) | 2013-09-12 |
JP5562368B2 true JP5562368B2 (ja) | 2014-07-30 |
Family
ID=49082799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012045573A Active JP5562368B2 (ja) | 2012-03-01 | 2012-03-01 | スクリュ対および該スクリュ対を備えた同方向噛合型二軸スクリュ押出機 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9498899B2 (ja) |
EP (1) | EP2821196B1 (ja) |
JP (1) | JP5562368B2 (ja) |
KR (1) | KR101528717B1 (ja) |
CN (1) | CN104159718B (ja) |
ES (1) | ES2785097T3 (ja) |
WO (1) | WO2013129608A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US10792634B2 (en) * | 2015-07-31 | 2020-10-06 | Intel Corporation | Process for continuous granulation of powder material |
CN105128306B (zh) * | 2015-08-28 | 2018-04-06 | 冯愚斌 | 单螺杆挤出机的一体式柔软薄片物料强制喂料装置及方法 |
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DE102008029304A1 (de) * | 2008-06-20 | 2009-12-24 | Bayer Technology Services Gmbh | Verfahren zur Erzeugung von Schneckenelementen |
CN102227300B (zh) | 2008-09-29 | 2014-03-12 | 思蒂亚工程私人有限公司 | 挤出机和挤出机操作方法 |
EP2353839B1 (de) | 2010-01-27 | 2014-12-10 | Coperion GmbH | Verfahren und aufbereitungsanlage zur entgasung von polymerschmelzen |
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KR101528717B1 (ko) | 2015-06-16 |
EP2821196A4 (en) | 2015-10-14 |
CN104159718B (zh) | 2017-09-26 |
KR20140131389A (ko) | 2014-11-12 |
CN104159718A (zh) | 2014-11-19 |
US9498899B2 (en) | 2016-11-22 |
US20150029812A1 (en) | 2015-01-29 |
JP2013180483A (ja) | 2013-09-12 |
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ES2785097T3 (es) | 2020-10-05 |
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