JPH0224924U - - Google Patents

Info

Publication number
JPH0224924U
JPH0224924U JP1988102792U JP10279288U JPH0224924U JP H0224924 U JPH0224924 U JP H0224924U JP 1988102792 U JP1988102792 U JP 1988102792U JP 10279288 U JP10279288 U JP 10279288U JP H0224924 U JPH0224924 U JP H0224924U
Authority
JP
Japan
Prior art keywords
barrel
polygonal
twin
screw extruder
adjusting
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.)
Pending
Application number
JP1988102792U
Other languages
Japanese (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 JP1988102792U priority Critical patent/JPH0224924U/ja
Publication of JPH0224924U publication Critical patent/JPH0224924U/ja
Pending 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
    • B29C48/686—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
    • B29C48/36—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
    • 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
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • 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
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements

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】[Brief explanation of drawings]

第１図は本考案の代表的な実施例を示す二軸押
出機の要部側断面図、第２図は従来一般の二軸押
出機の押出部を示す側断面図、第３図は多角形バ
レル部の側断面図、第４図は第３図のＡ―Ａ断面
図、第５図及び第６図は樹脂圧力調節機構例を示
す側断面図である。 図の主要部分の説明、１３…多角形バレル、１
４…樹脂圧力調節機構。 Fig. 1 is a side cross-sectional view of the main parts of a twin-screw extruder showing a typical embodiment of the present invention, Fig. 2 is a side cross-sectional view showing the extrusion section of a conventional twin-screw extruder, and Fig. 3 FIG. 4 is a side sectional view of the rectangular barrel portion, FIG. 4 is a sectional view taken along line AA in FIG. 3, and FIGS. 5 and 6 are side sectional views showing an example of a resin pressure adjustment mechanism. Explanation of main parts of the figure, 13...Polygonal barrel, 1
4...Resin pressure adjustment mechanism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２本のスクリユが互いに噛合つてバレル内で同
方向又は異方向に回転する二軸押出機において、
可塑化領域の少なくとも一部に軸方向に垂直な断
面がそれぞれ多角形状をもち、長手方向に沿う側
部が互いに連通した２つの内腔をもつバレルを配
設すると共に、同多角形形状をもつバレルの下流
測に軸方向に垂直な断面の有効樹脂通過面積を調
整し、多角形バレル内樹脂圧力を調節しうる圧力
調節機構を設けることを特徴とする二軸押出機。 In a twin-screw extruder in which two screws mesh with each other and rotate in the same or different directions within a barrel,
A barrel is disposed in at least a part of the plasticizing region, each of which has a polygonal cross section perpendicular to the axial direction, and has two inner cavities that communicate with each other at the sides along the longitudinal direction, and has the same polygonal shape. A twin-screw extruder characterized by being provided with a pressure adjustment mechanism capable of adjusting the effective resin passage area of a cross section perpendicular to the axial direction of the barrel downstream, and adjusting the resin pressure within the polygonal barrel.
JP1988102792U 1988-08-04 1988-08-04 Pending JPH0224924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988102792U JPH0224924U (en) 1988-08-04 1988-08-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988102792U JPH0224924U (en) 1988-08-04 1988-08-04

Publications (1)

Publication Number Publication Date
JPH0224924U true JPH0224924U (en) 1990-02-19

Family

ID=31333027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988102792U Pending JPH0224924U (en) 1988-08-04 1988-08-04

Country Status (1)

Country Link
JP (1) JPH0224924U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0572425U (en) * 1992-03-10 1993-10-05 株式会社日本製鋼所 Kneading degree adjusting device for extruder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139763A (en) * 1974-10-02 1976-04-02 Mitsubishi Heavy Ind Ltd
JPS61241123A (en) * 1985-04-18 1986-10-27 Mitsubishi Heavy Ind Ltd Flow passage resistance adjusting device of double-screw extruder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139763A (en) * 1974-10-02 1976-04-02 Mitsubishi Heavy Ind Ltd
JPS61241123A (en) * 1985-04-18 1986-10-27 Mitsubishi Heavy Ind Ltd Flow passage resistance adjusting device of double-screw extruder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0572425U (en) * 1992-03-10 1993-10-05 株式会社日本製鋼所 Kneading degree adjusting device for extruder

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