JPS6190506U - - Google Patents

Info

Publication number
JPS6190506U
JPS6190506U JP1984175120U JP17512084U JPS6190506U JP S6190506 U JPS6190506 U JP S6190506U JP 1984175120 U JP1984175120 U JP 1984175120U JP 17512084 U JP17512084 U JP 17512084U JP S6190506 U JPS6190506 U JP S6190506U
Authority
JP
Japan
Prior art keywords
screw shaft
extruder
tip
degassing section
gear pump
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
JP1984175120U
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 JP1984175120U priority Critical patent/JPS6190506U/ja
Publication of JPS6190506U publication Critical patent/JPS6190506U/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
    • B29C48/505—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
    • B29C48/505—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
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案の押出機のスクリユー軸構造
の実施例を示す押出機の先端部の断面図、第２図
は、同じくスクリユー軸の先端部の正面図、第３
図は、スクリユー軸の他の構造例を示す要部断面
図、第４図は、従来例として連続混練造粒装置の
要部を示す断面図である。 １：押出機、３：ギヤーポンプ、４：スクリユ
ー軸、４ａ：スクリユーのフライト、５：シリン
ダー、６：脱気部、８：（バツクフロー用の）通
孔、８ａ：（先端部の）開口、８ｂ：（脱気部に
位置するスクリユー軸の）開口。 FIG. 1 is a cross-sectional view of the tip of the extruder showing an embodiment of the screw shaft structure of the extruder of the present invention, FIG. 2 is a front view of the tip of the screw shaft, and FIG.
The figure is a sectional view of the main part showing another example of the structure of the screw shaft, and FIG. 4 is a sectional view showing the main part of a continuous kneading and granulating device as a conventional example. 1: Extruder, 3: Gear pump, 4: Screw shaft, 4a: Screw flight, 5: Cylinder, 6: Degassing section, 8: Through hole (for backflow), 8a: Opening (at the tip), 8b : Opening (of the screw shaft located in the degassing section).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 脱気部を有する押出機の先端部にギヤーポンプ
を接続させた連続混練造粒装置の押出機のスクリ
ユー軸において、スクリユー軸の先端部と脱気部
に位置するスクリユー軸の外周面とを連絡する樹
脂のバツクフロー用の通孔を設けたことを特徴と
する押出機のスクリユー軸構造。 In a screw shaft of an extruder of a continuous kneading and granulation device in which a gear pump is connected to the tip of an extruder having a degassing section, the tip of the screw shaft is connected to the outer circumferential surface of the screw shaft located in the degassing section. A screw shaft structure for an extruder characterized by having a through hole for resin backflow.
JP1984175120U 1984-11-20 1984-11-20 Pending JPS6190506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984175120U JPS6190506U (en) 1984-11-20 1984-11-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984175120U JPS6190506U (en) 1984-11-20 1984-11-20

Publications (1)

Publication Number Publication Date
JPS6190506U true JPS6190506U (en) 1986-06-12

Family

ID=30732724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984175120U Pending JPS6190506U (en) 1984-11-20 1984-11-20

Country Status (1)

Country Link
JP (1) JPS6190506U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115239A (en) * 1980-02-19 1981-09-10 Japan Steel Works Ltd:The Screw for single screw extruder
JPS5887013A (en) * 1981-11-18 1983-05-24 Japan Steel Works Ltd:The Continuous kneading and granulating apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115239A (en) * 1980-02-19 1981-09-10 Japan Steel Works Ltd:The Screw for single screw extruder
JPS5887013A (en) * 1981-11-18 1983-05-24 Japan Steel Works Ltd:The Continuous kneading and granulating apparatus

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