JPH07314529A - 押出機 - Google Patents

押出機

Info

Publication number
JPH07314529A
JPH07314529A JP3213751A JP21375191A JPH07314529A JP H07314529 A JPH07314529 A JP H07314529A JP 3213751 A JP3213751 A JP 3213751A JP 21375191 A JP21375191 A JP 21375191A JP H07314529 A JPH07314529 A JP H07314529A
Authority
JP
Japan
Prior art keywords
extruder
region
cylinder
screw
area
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
Application number
JP3213751A
Other languages
English (en)
Other versions
JP2726176B2 (ja
Inventor
Gerd Capelle
ゲルト・カペレ
Gunther Meier
ギユンター・マイエル
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KraussMaffei Extrusion GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Publication of JPH07314529A publication Critical patent/JPH07314529A/ja
Application granted granted Critical
Publication of JP2726176B2 publication Critical patent/JP2726176B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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
    • B29B7/421—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 and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
    • 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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • 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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92047—Energy, power, electric current or voltage
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92085—Velocity
    • B29C2948/92095—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92085—Velocity
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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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
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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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
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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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
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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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
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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
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    • B29C2948/92—Measuring, controlling or regulating
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/92—Measuring, controlling or regulating
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    • B29C2948/92895—Barrel or housing
    • 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
    • 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
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients

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)
  • Soil Working Implements (AREA)

Abstract

(57)【要約】 【目的】 公知の従来別個に使用されたピン付きシリン
ダ領域とトランスファーミックス領域とが共通の一つの
押出機内に設けられている押出機を造ること。 【構成】 押出機１を相前後して設けられている二つの
混合領域７と均質化領域８を設け、これらのうち混合領
域７をピン付きシリンダ領域として、均質化領域をトラ
ンスファーミックス領域として形成した。

Description

【発明の詳細な説明】
【０００１】本発明は、特許請求の範囲の請求項１の上
位概念に記載したゴムおよび熱可塑性合成物質を加工お
よび製造するための押出機に関する。
【０００２】
【従来の技術】押出機に関する技術分野において、押出
機の混合部分において金属ピンをそのシリンダを突き通
して押出材料の加工空域内に突出させることは久しい以
前から知られている。更にスクリューのウエッブをピン
が突出している位置において中断される。このような押
出機は例えば出願人のドイツ連邦共和国公開特許公報２
２ ３５ ７８４号或いは３０ ０３ ６１５号から知
られている。
【０００３】この押出機の特徴は加工すべき物質に対し
て混合作用および均質化作用が極めて良好に行われ、更
にスクリュー回転数が一定である場合材料の単位時間当
たりの押出機内の送り量を増大させることが可能であ
る。これらの利点により、ピン付シリンダ形押出機は最
近１５年間（絶えず改良が加えられて来たことはもちろ
んであるが）、最も使用されている混練押出機および均
質化押出機に適用されて来た。
【０００４】このような技術傾向とは別に、押出機のた
めのトランスフアミックス−混合部として知られている
混合部が開発された（ドイツ連邦共和国特許公報第１１
４２ ８３９号参照）。この混合部分の本質的な特徴
は、押出スクリューも押出機シリンダも一定の長さで溝
とウエッブを備えており、この場合シリンダの長手方向
でスクリューのみぞ深さが同じ寸法で零まで逓減され、
引続き再び増大されており、またシリンダのみぞ深さも
増大され、再び逓減されていることである。押出機のス
クリューおよび押出機のシリンダのこのような構成によ
り混合部が回転した際押出材料のスクリューみぞからバ
レルみぞへの完全な移送が可能となり、押出材料に良好
な混合作用が与えられる。
【０００５】トランスフアミックス押出機はピン付シリ
ンダ形押出機に比し、特に押出機の構造長さを短くした
点では自体或る程度マーケットシェアを高めた。しかし
この混合部の構造にあって不利な点は比較的高い製造費
を要することである。
【０００６】
【発明が解決しようとする課題】押出機の混合部の技術
は−細かい改良は別として−ここ１５年から２０年変わ
っておらず、従って本発明の根底をなす課題は公知の押
出機を基礎として混練と均質化を充分に達し得る押出機
を造ることである。
【０００７】
【課題を解決するための手段】上記の課題は本発明によ
り、両公知の混合部（ベーシス）の構成を組合わせるこ
とにより、即ち押出機が相前後して混合領域と均質化領
域とを備えており、混合領域がピン付シリンダ領域とし
て、均質化領域がトランスフアミックス領域として形成
されていることにより解決される。
【０００８】ピン付きシリンダ領域とトランスファーミ
ックス領域とを備えた実験押出機により、押出機の出力
が５０％に低減されるが、しかもこの場合混合品質とス
クリュー回転数は変わることがない、かつ移送量が６０
％〜１００％増大することが確かめられた。
【０００９】更にこれらの優れた結果は駆動部の回転モ
ーメントの５０％の低減を可能にし、その結果作業費が
著しく低減された。これに加えてピン付きシリンダミッ
クス部とトランスファーミックスの本発明による組合わ
せにより等しい混合品質を得るのに必要なミックス領域
の構造長さがピン付きシリンダの原理でのみ作業が行わ
れる押出機に比して約５０％も低減した。
【００１０】以下に添付した図面に図示した実施例につ
き本発明を詳細に説明する。
【００１１】
【実施例】押出機シリンダ２内にはスクリュー６が設け
られており、このスクリューはその縦軸線を中心にして
駆動ユニット５により回転駆動される。シリンダ２はそ
の流れ下流側の端部の領域において押出される物質のた
めのホッパー３を備えている。物質は混合されて流出口
４を経て押出機を去る。
【００１２】スクリュー６は供給領域９において、公知
の様式でホッパ３を経て供給される物質を押出機内に引
込みかつ可塑化するのに適した幾何学的なスクリュー形
状を有している。
【００１３】この供給領域９の下流側にピン付きシリン
ダ領域７が設けられており、この領域内で二列のピン１
１が半径方向でシリンダ２を通ってスクリュー軸線方向
で押出機の加工空域１４内に突出している。このピン付
きシリンダ領域７内においてスクリューウエッブ１２は
公知の様式でピン面内において中断されており、従って
スクリューとピン１１との衝突は回避される。
【００１４】ピン付きシリンダ領域７の下流側でトラン
スファーミックス領域８が設けられており、このトラン
スファーミックス領域内においてこの実施例にあっては
スクリュー６のウエッブ１２とシリンダ２のウエッブ１
３との間の角度は１０５°より大きいか或いは１０５°
であり、互いに補完し合って９０°をなす角度を形成し
ていない。
【００１５】スクリュー６の最後の部分は圧縮領域１０
によって形成されており、この圧縮領域内にあってスク
リューの幾何学的な形状は、公知の方法でスクリューの
圧力が必要な機械圧力に増大するように、選択されてい
る。
【００１６】この実施例以外にこの高効率な押出機のた
めの他の構成も可能である。即ち、上記の構成がより良
好な混合結果と均質化結果をもたらしはするが、例えば
トランスファーミックス領域８をピン付きシリンダ領域
７の上流側にも設けることも可能である。更に、ピン付
きシリンダ領域を二つ以上のピンを設けて混合および均
質化の効果を同様に達成することも可能である。経費と
達成される混合品質とを勘案した場合ピン付きシリンダ
は１〜５列のピンを設けるのが最も好都合である。
【００１７】個々の押出機領域の適切な長さは１０の押
出機長さにあっては、スクリュー直径（Ｄ）は供給領域
にあっては約３Ｄであり、ピン付きシリンダ領域にあっ
ては１，５〜２Ｄであり、トランスファーミックス領域
にあっては２〜２，５Ｄであり、そして圧縮領域にあっ
ては約３Ｄである。
【００１８】上記の構成に左右されることなく、必要に
応じて付加的に処理領域、例えば脱気領域或いは混練領
域をピン付きシリンダ領域およびトランスファーミック
ス領域の前方或いは後方或いはそれらの間に設けること
が可能である。
【００１９】
【発明の効果】上記のように、ピン付シリンダ領域とト
ランスファーミックス領域とを組合わせることにより公
知の押出機に比して駆動ユニットの出力の低減が達せら
れると共に、他方では材料の良好な混合と均質化が達せ
られる。
【図面の簡単な説明】
【図１】本発明による押出機の一実施例を示す図であ
る。
【符号の説明】
１ 単軸押出機 ２ バレル ３ ホッパ ４ 流出口 ５ 駆動ユニット ６ スクリュー ７ ピン付きシリンダ領域 ８ トランスファーミックス領域 ９ 供給部 １０ 圧縮部 １１ ピン １２ スクリューのウエッブ １３ シリンダのウエッブ １４ 処理空域
フロントページの続き (72)発明者 ゲルト・カペレ ドイツ連邦共和国、ランゲンハーゲン６、 ハインホイゼル・ウエーク、53 (72)発明者 ギユンター・マイエル ドイツ連邦共和国、アーレム、ウーレンボ ルンストラーセ、１アー

Claims (6)

    【特許請求の範囲】
  1. 【請求項１】 装填口（３）と流出口（４）、シリンダ
    （２）内でその縦軸線を中心にして回転可能に設けられ
    ているスクリュー（６）のための駆動ユニット（５）と
    を備えたシリンダ（２）から成る、ゴムおよび熱可塑性
    合成物質を加工および製造するための押出機において、
    押出機（１）が相前後して混合領域（７）と均質化領域
    （８）とを備えており、混合領域（７）がピン付シリン
    ダ領域として、均質化領域（８）がトランスフアミック
    ス領域として形成されていることを特徴とする押出機。
  2. 【請求項２】 ピン付シリンダ領域が上流側でトランス
    フアミックス領域（８）の手前に設けられていることを
    特徴とする請求項１の押出機。
  3. 【請求項３】 押出機が混合領域（７）と均質化領域
    （８）の上流側で供給領域（９）を、下流側で押出物が
    必要な処理圧力で押出される領域（１０）を備えている
    ことを特徴とする請求項１の押出機。
  4. 【請求項４】 特に押出機の長さが１０である場合供給
    領域（９）のスクリュー直径が（Ｄ）が３Ｄ、ピン付シ
    リンダ領域（７）が１，５〜２Ｄ、トランスフアミック
    ス領域（８）が２〜２，５Ｄおよび圧縮領域（１０）が
    約３Ｄの長さであることを特徴とする請求項３の押出
    機。
  5. 【請求項５】 ピン付シリンダ領域（７）内に１〜５
    本、特に一列〜５列のピン（１１）が設けられており、
    これらのピンがバレル（２）の加工空域内に半径方向で
    突出しており、かつこの位置でスクリューウエッブ（１
    ２）が中断されていることを特徴とする請求項１から４
    までのいずれか一つの押出機。
  6. 【請求項６】 スクリュー（６）のウエッブ（１２）と
    シリンダ（２）のウエッブ（１３）との間の角度が１０
    ５°より大きいか或いは１０５°であり、かつ９０°の
    補完角度を形成していないように押出機のトランスフア
    ミックス領域（８）が形成されていることを特徴とする
    請求項１から４までのいずれか一つの押出機。
JP3213751A 1990-12-14 1991-08-26 押出機 Expired - Lifetime JP2726176B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4039942A DE4039942C1 (ja) 1990-12-14 1990-12-14
DE40399427 1990-12-14

Publications (2)

Publication Number Publication Date
JPH07314529A true JPH07314529A (ja) 1995-12-05
JP2726176B2 JP2726176B2 (ja) 1998-03-11

Family

ID=6420314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3213751A Expired - Lifetime JP2726176B2 (ja) 1990-12-14 1991-08-26 押出機

Country Status (9)

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US (5) US5145352A (ja)
EP (1) EP0490058B1 (ja)
JP (1) JP2726176B2 (ja)
KR (2) KR100186827B1 (ja)
CN (1) CN1034993C (ja)
AT (1) ATE107572T1 (ja)
CZ (1) CZ284331B6 (ja)
DE (2) DE4039942C1 (ja)
RU (1) RU2053121C1 (ja)

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CN113412182A (zh) * 2019-02-25 2021-09-17 日本中田工程株式会社 螺杆及挤出机

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US5141426A (en) 1992-08-25
US5147198A (en) 1992-09-15
ATE107572T1 (de) 1994-07-15
DE59102010D1 (de) 1994-07-28
KR100186826B1 (ko) 1999-05-15
KR920011681A (ko) 1992-07-24
US5244373A (en) 1993-09-14
EP0490058A1 (de) 1992-06-17
CN1034993C (zh) 1997-05-28
DE4039942C1 (ja) 1992-01-30
EP0490058B1 (de) 1994-06-22
JP2726176B2 (ja) 1998-03-11
US5127741A (en) 1992-07-07
CS378991A3 (en) 1992-06-17
CN1062316A (zh) 1992-07-01
KR920011682A (ko) 1992-07-24
CZ284331B6 (cs) 1998-10-14
RU2053121C1 (ru) 1996-01-27
KR100186827B1 (ko) 1999-05-15
US5145352A (en) 1992-09-08

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