JPS6225528U - - Google Patents

Info

Publication number
JPS6225528U
JPS6225528U JP1985117024U JP11702485U JPS6225528U JP S6225528 U JPS6225528 U JP S6225528U JP 1985117024 U JP1985117024 U JP 1985117024U JP 11702485 U JP11702485 U JP 11702485U JP S6225528 U JPS6225528 U JP S6225528U
Authority
JP
Japan
Prior art keywords
diameter
cylinder
screw
shearing
section
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
JP1985117024U
Other languages
English (en)
Other versions
JPH0222269Y2 (ja
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 filed Critical
Priority to JP1985117024U priority Critical patent/JPH0222269Y2/ja
Publication of JPS6225528U publication Critical patent/JPS6225528U/ja
Application granted granted Critical
Publication of JPH0222269Y2 publication Critical patent/JPH0222269Y2/ja
Expired 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
    • B29C48/688—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having 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
    • B29C48/505—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
    • B29C48/63—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図のＡ―Ａ断面図、第３図は第１図の
Ｂ―Ｂ断面図、第４図及び第５図は従来例を示す
縦断面図である。 １……シリンダ、３……スクリユ、４……スク
リユ軸、５……フライト、６……供給部、７……
溶融部、８……計量部、９……剪断・混練部、１
１……羽根、１２……径大部。

Claims (1)

  1. 【実用新案登録請求の範囲】 シリンダ１内に１本のスクリユ３を備えている
    とともに、前記シリンダ１の入口側から押出口側
    にかけて供給部６、溶融部７、計量部８を有する
    単軸スクリユ式押出成形機において、 前記溶融部７の一部と計量部８の一部とにまた
    がつて剪断・混練部９を設け、残された溶融部７
    におけるスクリユ３の谷径を押出側に行くにつれ
    て徐々に径大とし、また、前記剪断・混練部９の
    シリンダ１内径をシリンダ軸線に沿つて押出方向
    に円錐状に拡大させた後円錐状に縮小させ、拡大
    側の勾配を縮小側より小さくしてその長さを縮小
    側より長くし、この剪断・混練部９のシリンダ１
    内壁面にシリンダ軸線に平行で、シリンダ１の内
    径と同一径をなす複数条の羽根１１を設け、さら
    に、螺旋状のフライト５を周囲に設けてあるスク
    リユ３の、前記剪断・混練部９における部分の谷
    径を、剪断・混練部９のシリンダ１内径に対応し
    て押出方向に円錐状に拡大させた後円錐状に縮小
    させ、拡大側の勾配を縮小側より小さくしてその
    長さを縮小側より長くして円錐状の径大部１２と
    し、この径大部１２の最大径部分をフライト５を
    含めたスクリユ３外径と同一径とし、また、径大
    部１２の最大径部分から縮小側にかけてフライト
    ５を除いて形成したことを特徴とするスクリユ式
    押出成形機。
JP1985117024U 1985-07-30 1985-07-30 Expired JPH0222269Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985117024U JPH0222269Y2 (ja) 1985-07-30 1985-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985117024U JPH0222269Y2 (ja) 1985-07-30 1985-07-30

Publications (2)

Publication Number Publication Date
JPS6225528U true JPS6225528U (ja) 1987-02-17
JPH0222269Y2 JPH0222269Y2 (ja) 1990-06-15

Family

ID=31002160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985117024U Expired JPH0222269Y2 (ja) 1985-07-30 1985-07-30

Country Status (1)

Country Link
JP (1) JPH0222269Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014019045A (ja) * 2012-07-18 2014-02-03 Screw Seiki Kk 成形機用スクリュー

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014019045A (ja) * 2012-07-18 2014-02-03 Screw Seiki Kk 成形機用スクリュー

Also Published As

Publication number Publication date
JPH0222269Y2 (ja) 1990-06-15

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