JPH0477428U - - Google Patents

Info

Publication number
JPH0477428U
JPH0477428U JP1990121156U JP12115690U JPH0477428U JP H0477428 U JPH0477428 U JP H0477428U JP 1990121156 U JP1990121156 U JP 1990121156U JP 12115690 U JP12115690 U JP 12115690U JP H0477428 U JPH0477428 U JP H0477428U
Authority
JP
Japan
Prior art keywords
screw
cylinder
kneading
twin
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
JP1990121156U
Other languages
Japanese (ja)
Other versions
JP2591893Y2 (en
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 JP1990121156U priority Critical patent/JP2591893Y2/en
Publication of JPH0477428U publication Critical patent/JPH0477428U/ja
Application granted granted Critical
Publication of JP2591893Y2 publication Critical patent/JP2591893Y2/en
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
    • B29C48/505—Screws
    • B29C48/575—Screws provided with elements of a generally circular cross-section for shearing the melt, i.e. shear-ring 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
    • B29C48/395—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
    • B29C48/535—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
    • B29C48/55—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図は本考案の第１実施例に係る二軸押出機
の圧力調整装置の側断面図、第２図ａは第１図の
前部に位置する圧力調整部（低圧時）の側断面図
、第２図ｂはａのＦ矢視図、第３図は第２図ａの
Ａ〜Ａ断面図、第４図は第２図ａと作動状態を異
にする圧力調整部（高圧時）の側断面図、第５図
は第４図のＢ〜Ｂ断面図、第６図は本考案の第２
実施例を示す二軸押出機の圧力調整装置の側断面
図、第７図は第６図のＣ〜Ｃ断面図、第８図は従
来の二軸押出機における圧力調整部の側断面図、
第９図は第８図のＤ〜Ｄ断面図、第１０図及び第
１１図は第８図より夫々バレルを右方へ移動させ
た状態の側断面図、第１２図は第１１図のＥ〜Ｅ
断面図、第１３図及び第１４図は夫々従来の他の
例の二軸押出機を示す側断面図である。 図の主要部分の説明、１０１，１０３，１０４
……スクリユ、１０２……ニーデイングスクリユ
、１０７……リングプレート、１１３……調整ナ
ツト、１１４……固定ナツト、１２１……シリン
ダ、１２１ａ……ねじ、１２２……原料供給口、
１２６……樹脂通路。 Fig. 1 is a side cross-sectional view of a pressure regulating device for a twin-screw extruder according to the first embodiment of the present invention, and Fig. 2 a is a side cross-sectional view of the pressure regulating part (at low pressure) located in the front part of Fig. 1. Fig. 2b is a view taken in the direction of arrow F in a, Fig. 3 is a cross-sectional view taken from A to A in Fig. 2a, and Fig. 4 is a pressure adjustment section (at high pressure ), FIG. 5 is a sectional view taken from B to B in FIG. 4, and FIG. 6 is a side sectional view of
A side sectional view of a pressure adjustment device for a twin-screw extruder showing an example, FIG. 7 is a sectional view from C to C in FIG. 6, and FIG. 8 is a side sectional view of a pressure adjustment part in a conventional twin-screw extruder.
Figure 9 is a sectional view from D to D in Figure 8, Figures 10 and 11 are side sectional views of the barrel moved to the right from Figure 8, and Figure 12 is E in Figure 11. ~E
The sectional view, FIG. 13, and FIG. 14 are side sectional views showing other conventional twin screw extruders, respectively. Explanation of main parts of figures, 101, 103, 104
... Screw, 102 ... Kneading screw, 107 ... Ring plate, 113 ... Adjustment nut, 114 ... Fixing nut, 121 ... Cylinder, 121a ... Screw, 122 ... Raw material supply port,
126...Resin passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダが分解することなくスクリユの挿入、
抜取りが可能な二軸押出機において、原料供給部
とスクリユ駆動用減速機の間にシリンダ位置を軸
方向に移動調整する機構を設けると共に、混練部
及び圧力抵抗部を組合せたセグメント型スクリユ
と、シリンダ内径が通常より大きな逃がし溝を有
するシリンダとを備え、同逃がし溝の位置を前記
移動調整装置によりシリンダを軸方向に移動する
ことにより、スクリユの混練部及び圧力抵抗部と
の関係を可変にして混練特性を調整可能にしたこ
とを特徴とする二軸押出機の圧力調整装置。 Screw insertion without disassembling the cylinder,
In a twin-screw extruder that can be extracted, a mechanism for moving and adjusting the cylinder position in the axial direction is provided between a raw material supply section and a screw drive reduction gear, and a segment type screw that combines a kneading section and a pressure resistance section; The cylinder is equipped with a cylinder having a relief groove whose inner diameter is larger than usual, and by moving the position of the relief groove in the axial direction using the movement adjustment device, the relationship between the kneading part and the pressure resistance part of the screw can be varied. A pressure adjustment device for a twin-screw extruder, characterized in that the kneading characteristics can be adjusted by adjusting the kneading characteristics.
JP1990121156U 1990-11-19 1990-11-19 Pressure adjusting device for twin screw extruder Expired - Lifetime JP2591893Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990121156U JP2591893Y2 (en) 1990-11-19 1990-11-19 Pressure adjusting device for twin screw extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990121156U JP2591893Y2 (en) 1990-11-19 1990-11-19 Pressure adjusting device for twin screw extruder

Publications (2)

Publication Number Publication Date
JPH0477428U true JPH0477428U (en) 1992-07-07
JP2591893Y2 JP2591893Y2 (en) 1999-03-10

Family

ID=31869029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990121156U Expired - Lifetime JP2591893Y2 (en) 1990-11-19 1990-11-19 Pressure adjusting device for twin screw extruder

Country Status (1)

Country Link
JP (1) JP2591893Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009057753A1 (en) * 2007-11-02 2009-05-07 Kabushiki Kaisha Kobe Seiko Sho Mechanism for regulating kneadability, extruder, continuous kneading machine, method for regulating kneadability and kneading method
JP2011509197A (en) * 2008-01-03 2011-03-24 ウェンガー マニュファクチュアリング アイエヌシー． Extruder with variable intermediate barrel flow control and adjacent high strength mixing assembly
CN116373255A (en) * 2023-06-05 2023-07-04 四川众鑫盛农牧机械有限公司 Pressure regulating valve group for screw extrusion mechanism and pressure regulating valve thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60245537A (en) * 1984-05-22 1985-12-05 Japan Steel Works Ltd:The Single shaft screw for extrusion molding machine
JPS6233422U (en) * 1985-08-16 1987-02-27
JPH0212820U (en) * 1988-07-08 1990-01-26
JPH0262222A (en) * 1988-08-30 1990-03-02 Mitsubishi Heavy Ind Ltd Pressure regulator for extruder
JPH02255318A (en) * 1989-03-30 1990-10-16 Shin Etsu Polymer Co Ltd Multi-screw extruder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60245537A (en) * 1984-05-22 1985-12-05 Japan Steel Works Ltd:The Single shaft screw for extrusion molding machine
JPS6233422U (en) * 1985-08-16 1987-02-27
JPH0212820U (en) * 1988-07-08 1990-01-26
JPH0262222A (en) * 1988-08-30 1990-03-02 Mitsubishi Heavy Ind Ltd Pressure regulator for extruder
JPH02255318A (en) * 1989-03-30 1990-10-16 Shin Etsu Polymer Co Ltd Multi-screw extruder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009057753A1 (en) * 2007-11-02 2009-05-07 Kabushiki Kaisha Kobe Seiko Sho Mechanism for regulating kneadability, extruder, continuous kneading machine, method for regulating kneadability and kneading method
JP2011509197A (en) * 2008-01-03 2011-03-24 ウェンガー マニュファクチュアリング アイエヌシー． Extruder with variable intermediate barrel flow control and adjacent high strength mixing assembly
CN116373255A (en) * 2023-06-05 2023-07-04 四川众鑫盛农牧机械有限公司 Pressure regulating valve group for screw extrusion mechanism and pressure regulating valve thereof
CN116373255B (en) * 2023-06-05 2023-08-25 四川众鑫盛农牧机械有限公司 Pressure regulating valve group for screw extrusion mechanism and pressure regulating valve thereof

Also Published As

Publication number Publication date
JP2591893Y2 (en) 1999-03-10

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