JPS60132320U - Shaft seal structure of twin screw extruder - Google Patents

Shaft seal structure of twin screw extruder

Info

Publication number
JPS60132320U
JPS60132320U JP1984019276U JP1927684U JPS60132320U JP S60132320 U JPS60132320 U JP S60132320U JP 1984019276 U JP1984019276 U JP 1984019276U JP 1927684 U JP1927684 U JP 1927684U JP S60132320 U JPS60132320 U JP S60132320U
Authority
JP
Japan
Prior art keywords
screw
seal structure
heating cylinder
shaft seal
shaft sealing
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
JP1984019276U
Other languages
Japanese (ja)
Inventor
田中　勝一
土志田　正雄
Original Assignee
東芝機械株式会社
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 東芝機械株式会社 filed Critical 東芝機械株式会社
Priority to JP1984019276U priority Critical patent/JPS60132320U/en
Publication of JPS60132320U publication Critical patent/JPS60132320U/en
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
    • B29C48/55—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
    • B29C48/395—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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/54—Screws with additional forward-feeding elements

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はメカニカルシールを使用した軸封装置の図、第
２図は本考案の実施側番示す図。第３図は本考案の他の
実施例を示す図、第４図は更に他の実施例を示した図。 １３・・・部屋、１３ａ・・・後壁、１４，１５・・・
スクリュ軸、１６，１７・・・軸封装置、２１・・・ケ
ーシング、２４・・・ベローズ。FIG. 1 is a diagram of a shaft sealing device using a mechanical seal, and FIG. 2 is a diagram showing the implementation side of the present invention. FIG. 3 is a diagram showing another embodiment of the present invention, and FIG. 4 is a diagram showing still another embodiment. 13...Room, 13a...Back wall, 14,15...
Screw shaft, 16, 17... Shaft sealing device, 21... Casing, 24... Bellows.

Claims (1)

【実用新案登録請求の範囲】 １２軸押用機の加熱シリンダ後端に隣接して密封状態の
部屋を設け、同部屋の加熱シリンダに対向した後壁の内
外面に夫々２組のスクリュに対応した軸封装置を取付で
なる２軸押用機のスクリュ軸封構造。 ２　前記スクリュ軸封装置は夫々ベローズ等のフレキシ
ブルな継手を介して前記後壁に密封状態で取付けたこと
を特徴とする前記実用新案登録請求の範囲第１項記載の
２軸押用機のスクリュ軸封構造。 ３　前記加熱シリンダ後端に隣接した部屋をベント室と
したことを特徴とする前記実用新案登録請求の範囲第１
項記載のスクリュ軸封構造。 ４　前記加熱シリンダ後端に隣接した後部屋をベント室
としたことを特徴とする前記実用新案登録請求の範囲第
２項記載のスクリュ軸封構造。[Claim for Utility Model Registration] A sealed chamber is provided adjacent to the rear end of the heating cylinder of a 12-screw pushing machine, and two sets of screws are respectively accommodated on the inner and outer surfaces of the rear wall facing the heating cylinder in the same room. A screw shaft sealing structure for a twin-screw pushing machine that is equipped with a shaft sealing device. 2. The screw of the twin-screw pushing machine according to claim 1, wherein each of the screw shaft sealing devices is attached to the rear wall in a sealed state via a flexible joint such as a bellows. Shaft seal structure. 3. Claim 1 of the above-mentioned utility model registration, characterized in that the room adjacent to the rear end of the heating cylinder is a vent chamber.
Screw shaft seal structure as described in section. 4. The screw shaft sealing structure according to claim 2, wherein the rear chamber adjacent to the rear end of the heating cylinder is a vent chamber.
JP1984019276U 1984-02-13 1984-02-13 Shaft seal structure of twin screw extruder Pending JPS60132320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984019276U JPS60132320U (en) 1984-02-13 1984-02-13 Shaft seal structure of twin screw extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984019276U JPS60132320U (en) 1984-02-13 1984-02-13 Shaft seal structure of twin screw extruder

Publications (1)

Publication Number Publication Date
JPS60132320U true JPS60132320U (en) 1985-09-04

Family

ID=30508701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984019276U Pending JPS60132320U (en) 1984-02-13 1984-02-13 Shaft seal structure of twin screw extruder

Country Status (1)

Country Link
JP (1) JPS60132320U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58128548A (en) * 1982-01-22 1983-08-01 ヨゼフ・ア−・ブラツハ Torque distributing gear mechanism of machine with pair of screw

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58128548A (en) * 1982-01-22 1983-08-01 ヨゼフ・ア−・ブラツハ Torque distributing gear mechanism of machine with pair of screw

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