JPS649724U - - Google Patents

Info

Publication number
JPS649724U
JPS649724U JP1987105611U JP10561187U JPS649724U JP S649724 U JPS649724 U JP S649724U JP 1987105611 U JP1987105611 U JP 1987105611U JP 10561187 U JP10561187 U JP 10561187U JP S649724 U JPS649724 U JP S649724U
Authority
JP
Japan
Prior art keywords
screw
molding machine
extrusion molding
casing
diameter
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
JP1987105611U
Other languages
Japanese (ja)
Other versions
JPH061791Y2 (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 JP1987105611U priority Critical patent/JPH061791Y2/en
Publication of JPS649724U publication Critical patent/JPS649724U/ja
Application granted granted Critical
Publication of JPH061791Y2 publication Critical patent/JPH061791Y2/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
    • B29C48/53—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
    • B29C48/395—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
    • B29C48/41—Intermeshing counter-rotating screws

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 the drawing]

第１図は本考案の押出成型機の実施例に係る２
軸押出成型機の先端部分の断面図、第２図は従来
の２軸押出成型機の平面図、第３図は同縦断面図
、第４図は同正面図である。第５図、第６図及び
第７図はノズルの形状説明図、第８図は従来の２
軸押出成型機の先端部分の断面部である。第９図
は本考案の異なる実施例に係る２軸押出成型機の
先端部分の断面図である。 １２……ケーシング、１６……スクリユ、１８
……ノズル、２０……ダイス、３４……隘路部、
４０……コニカルスクリユ、４４……ノズルケー
シング。 Figure 1 shows an example of the extrusion molding machine of the present invention.
FIG. 2 is a plan view of a conventional twin-screw extrusion molding machine, FIG. 3 is a longitudinal sectional view thereof, and FIG. 4 is a front view thereof. Figures 5, 6, and 7 are explanatory diagrams of the shape of the nozzle, and Figure 8 is the conventional 2
This is a cross-section of the tip of the axial extrusion molding machine. FIG. 9 is a sectional view of the tip portion of a twin-screw extrusion molding machine according to a different embodiment of the present invention. 12...Casing, 16...Skrill, 18
...nozzle, 20...dice, 34...bottle section,
40... Conical screw, 44... Nozzle casing.

Claims (1)

【実用新案登録請求の範囲】 ケーシング及び該ケーシング内に挿入されたス
クリユを有する押出成型機において、 該スクリユの先端側において、スクリユ外径を
スクリユ先端方向に徐々に拡径させるか、又はケ
ーシング内径を徐々に縮径させることにより、原
料流路の隘路部を設けたことを特徴とする押出成
型機。[Scope of Claim for Utility Model Registration] In an extrusion molding machine having a casing and a screw inserted into the casing, on the tip side of the screw, the outer diameter of the screw is gradually increased in the direction of the tip of the screw, or the inner diameter of the casing is An extrusion molding machine characterized in that a bottleneck portion of a raw material flow path is provided by gradually reducing the diameter of the extrusion molding machine.
JP1987105611U 1987-07-09 1987-07-09 Extruder Expired - Lifetime JPH061791Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987105611U JPH061791Y2 (en) 1987-07-09 1987-07-09 Extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987105611U JPH061791Y2 (en) 1987-07-09 1987-07-09 Extruder

Publications (2)

Publication Number Publication Date
JPS649724U true JPS649724U (en) 1989-01-19
JPH061791Y2 JPH061791Y2 (en) 1994-01-19

Family

ID=31338381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987105611U Expired - Lifetime JPH061791Y2 (en) 1987-07-09 1987-07-09 Extruder

Country Status (1)

Country Link
JP (1) JPH061791Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968562A (en) * 1972-11-04 1974-07-03
JPS597829U (en) * 1982-07-05 1984-01-19 富士電機株式会社 Waste plastic solidification equipment
JPS60105513A (en) * 1983-11-15 1985-06-11 Inoue Japax Res Inc Molding machine
JPS60262622A (en) * 1984-06-12 1985-12-26 Mitsubishi Heavy Ind Ltd Extruder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968562A (en) * 1972-11-04 1974-07-03
JPS597829U (en) * 1982-07-05 1984-01-19 富士電機株式会社 Waste plastic solidification equipment
JPS60105513A (en) * 1983-11-15 1985-06-11 Inoue Japax Res Inc Molding machine
JPS60262622A (en) * 1984-06-12 1985-12-26 Mitsubishi Heavy Ind Ltd Extruder

Also Published As

Publication number Publication date
JPH061791Y2 (en) 1994-01-19

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