JP4217127B2 - 混練体の製造方法、及びそれに用いる装置 - Google Patents
混練体の製造方法、及びそれに用いる装置 Download PDFInfo
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- JP4217127B2 JP4217127B2 JP2003289123A JP2003289123A JP4217127B2 JP 4217127 B2 JP4217127 B2 JP 4217127B2 JP 2003289123 A JP2003289123 A JP 2003289123A JP 2003289123 A JP2003289123 A JP 2003289123A JP 4217127 B2 JP4217127 B2 JP 4217127B2
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- rubber
- kneaded
- extruder
- taper
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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
- B29C48/395—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
-
- 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
- B29B7/484—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 with two shafts provided with screws, e.g. one screw being shorter than the other
-
- 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
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
-
- 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
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- 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
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
-
- 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
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/748—Plants
-
- 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
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7485—Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of the 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
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
-
- 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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
ゴム供給手段から定量的に送られるゴムと、薬品供給手段から定量的に送られる薬品とを、一軸スクリュ式の第1のゴム押出機に同時に投入して混練し、一次混練ゴムとして第1のゴム押出機から連続的に押し出す一次混練ステップと、
この一次混練ゴムを二軸テーパースクリュ式の第2のゴム押出機に投入し、該一次混練ゴムをさらに混練して第2のゴム押出機から混練体を押し出す二次混練ステップとを少なくとも具えるとともに、
前記第2のゴム押出し機は、前端に向かって互いに近づくように、交差配列するテーパースクリュ軸を具え、
かつテーパースクリュ軸のテーパ状の基軸部廻りに形成される羽根の螺旋の向き、および回転方向を、テーパースクリュ軸間で互いに相違させるとともに、
前記第2のゴム押出機は、そのテーパースクリュ軸の螺旋ピッチPを、このテーパースクリュ軸の大径側の直径dの1.1〜1.5倍としたことを特徴としている。
前記ゴムを定量的に供給するゴム供給手段と、
前記薬品を定量的に供給する薬品供給手段と、
前記ゴム供給手段、薬品供給手段から同時に供給されるゴム、薬品を混練し、一次混練ゴムとして連続して押し出す一軸スクリュ式の第1のゴム押出機と、
前記一次混練ゴムをさらに混練して混練体を押し出す二軸テーパースクリュ式の第2のゴム押出機とを具えるとともに、
前記第2のゴム押出し機は、前端に向かって互いに近づくように、交差配列するテーパースクリュ軸を具え、
かつテーパースクリュ軸のテーパ状の基軸部廻りに形成される羽根の螺旋の向き、および回転方向を、テーパースクリュ軸間で互いに相違させるとともに、
前記第2のゴム押出機は、そのテーパースクリュ軸の螺旋ピッチPを、このテーパースクリュ軸の大径側の直径dの1.1〜1.5倍としたことを特徴としている。
図1は、本発明の混練体の製造方法を実施するための製造装置を示す側面図である。
図1において、混練体の製造装置1は、ゴムGを定量的に供給するゴム供給手段2と、薬品Cを定量的に供給する薬品供給手段3と、前記ゴムG及び薬品Cを混練して一次混練ゴムG1として連続して押し出す第1のゴム押出機4と、この一次混練ゴムG1をさらに混練して混練体G0として連続的に押し出す第2のゴム押出機5とを少なくとも具えて構成される。
3 薬品供給手段
4 第1のゴム押出機
5 第2のゴム押出機
31 テーパースクリュ軸
G ゴム
G0 混練体
G1 一次混練ゴム
C 薬品
Claims (2)
- ゴムと薬品との混練体を製造する混練体の製造方法であって、
ゴム供給手段から定量的に送られるゴムと、薬品供給手段から定量的に送られる薬品とを、一軸スクリュ式の第1のゴム押出機に同時に投入して混練し、一次混練ゴムとして第1のゴム押出機から連続的に押し出す一次混練ステップと、
この一次混練ゴムを二軸テーパースクリュ式の第2のゴム押出機に投入し、該一次混練ゴムをさらに混練して第2のゴム押出機から混練体を押し出す二次混練ステップとを少なくとも具えるとともに、
前記第2のゴム押出し機は、前端に向かって互いに近づくように、交差配列するテーパースクリュ軸を具え、
かつテーパースクリュ軸のテーパ状の基軸部廻りに形成される羽根の螺旋の向き、および回転方向を、テーパースクリュ軸間で互いに相違させるとともに、
前記第2のゴム押出機は、そのテーパースクリュ軸の螺旋ピッチPを、このテーパースクリュ軸の大径側の直径dの1.1〜1.5倍としたことを特徴とする混練体の製造方法。 - ゴムと薬品との混練体を製造する混練体の製造装置であって、
前記ゴムを定量的に供給するゴム供給手段と、
前記薬品を定量的に供給する薬品供給手段と、
前記ゴム供給手段、薬品供給手段から同時に供給されるゴム、薬品を混練し、一次混練ゴムとして連続して押し出す一軸スクリュ式の第1のゴム押出機と、
前記一次混練ゴムをさらに混練して混練体を押し出す二軸テーパースクリュ式の第2のゴム押出機とを具えるとともに、
前記第2のゴム押出し機は、前端に向かって互いに近づくように、交差配列するテーパースクリュ軸を具え、
かつテーパースクリュ軸のテーパ状の基軸部廻りに形成される羽根の螺旋の向き、および回転方向を、テーパースクリュ軸間で互いに相違させるとともに、
前記第2のゴム押出機は、そのテーパースクリュ軸の螺旋ピッチPを、このテーパースクリュ軸の大径側の直径dの1.1〜1.5倍としたことを特徴とする混練体の製造装置。
Priority Applications (1)
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JP2003289123A JP4217127B2 (ja) | 2003-08-07 | 2003-08-07 | 混練体の製造方法、及びそれに用いる装置 |
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JP2003289123A JP4217127B2 (ja) | 2003-08-07 | 2003-08-07 | 混練体の製造方法、及びそれに用いる装置 |
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JP2005053190A JP2005053190A (ja) | 2005-03-03 |
JP4217127B2 true JP4217127B2 (ja) | 2009-01-28 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4813826B2 (ja) * | 2005-06-09 | 2011-11-09 | 三菱重工業株式会社 | 二軸フィーダ並びにこれを用いたシーティング装置及び混練システム |
JP4928315B2 (ja) * | 2007-03-16 | 2012-05-09 | 住友ゴム工業株式会社 | 連続混合装置 |
JP5562368B2 (ja) * | 2012-03-01 | 2014-07-30 | 株式会社日本製鋼所 | 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 |
JP5655042B2 (ja) * | 2012-09-03 | 2015-01-14 | 住友ゴム工業株式会社 | ゴム押出装置 |
CN112571659A (zh) * | 2020-11-26 | 2021-03-30 | 湖南科森高分子材料科技有限公司 | 一种具有高耐热性能的硅烷交联电缆料生产工艺 |
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