JPH0415510U - - Google Patents

Info

Publication number
JPH0415510U
JPH0415510U JP1990056502U JP5650290U JPH0415510U JP H0415510 U JPH0415510 U JP H0415510U JP 1990056502 U JP1990056502 U JP 1990056502U JP 5650290 U JP5650290 U JP 5650290U JP H0415510 U JPH0415510 U JP H0415510U
Authority
JP
Japan
Prior art keywords
screw
key
spline groove
split type
type screw
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
JP1990056502U
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 JP1990056502U priority Critical patent/JPH0415510U/ja
Publication of JPH0415510U publication Critical patent/JPH0415510U/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
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped 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
    • B29C48/395—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

Landscapes

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

Description

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

第１図は本考案の実施例を示す分割型スクリユ
を有する二軸押出機の側断面図、第２図、第３図
及び第４図は本考案におけるスクリユとスクリユ
軸との係合状態の代表例を示す正面断面図、第５
図ａは本考案によりキー及びスプライン溝となる
分割スクリユの端面に高延性材を摩擦圧接した例
を示す一部断面側面図、第５図ｂ，ｃは同ａの左
右の端面図、第６図ａは本考案加工後の形状を示
す一部断面側面図、第６図ｂは同端面図、第７図
ａは本考案の他の実施例を示すキー及びスプライ
ン軸となる分割型スクリユ端面に高延性材を肉盛
溶接した素材例の一部断面側面図、第７図ｂは同
端面図、第８図は本考案と従来における応力−歪
線図、第９図は本考案と従来における応力とトル
クの関係を示す線図である。 図の主要部分の説明、１……スクリユ軸、２…
…分割型スクリユ、３……シリンダバレル、４…
…キー、５１……分割スクリユ素材、５２……リ
ング状材料、５３……中実状棒材。 Fig. 1 is a side sectional view of a twin screw extruder having a split type screw showing an embodiment of the present invention, and Figs. 2, 3 and 4 show the state of engagement between the screw and the screw shaft in the present invention. Front sectional view showing a typical example, No. 5
Figure a is a partially sectional side view showing an example in which a high ductile material is friction welded to the end face of a split screw that will become the key and spline groove according to the present invention; Figures 5b and c are left and right end views of Figure 5a; Figure a is a partial cross-sectional side view showing the shape of the invention after processing, Figure 6b is an end view of the same, and Figure 7a is the end face of a split type screw that becomes a key and spline shaft, showing another embodiment of the invention. Fig. 7b is an end view of the material, Fig. 8 is a stress-strain diagram of the present invention and the conventional method, and Fig. 9 is the present invention and the conventional material. FIG. 3 is a diagram showing the relationship between stress and torque in FIG. Explanation of the main parts of the diagram, 1...screw shaft, 2...
...Split type screw, 3...Cylinder barrel, 4...
... Key, 51 ... Divided screw material, 52 ... Ring-shaped material, 53 ... Solid bar material.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 耐食、耐摩耗性向上のため焼入ダイス鋼などの
高硬度材で製造した分割型スクリユにおいて、同
スクリユ内径部に設けられる回転トルク伝達のた
めのキー又はスプライン溝両端部の同キー又はス
プライン溝構成部に、本体と異なる材料で焼入固
さがＨＲＣ４０以下で、かつ引張破断伸び２％以
上の延性の高い材料を摩擦圧接や肉盛溶接法など
で接合一体化し、この接合された接合部材がキー
又はスプライン溝の一部を形成することを特徴と
するプラスチツク成形機用分割型スクリユ。 A key or spline groove for transmitting rotational torque provided on the inner diameter of the screw in a split type screw made of high hardness material such as hardened die steel to improve corrosion resistance and wear resistance.The same key or spline groove on both ends of the screw. The component parts are made of a material different from the main body, but have a hardening hardness of HRC40 or less, and a highly ductile material with a tensile elongation at break of 2% or more, and are integrated by friction welding or overlay welding, and this joined member A split type screw for a plastic molding machine, characterized in that the screw forms a part of a key or a spline groove.
JP1990056502U 1990-05-31 1990-05-31 Pending JPH0415510U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990056502U JPH0415510U (en) 1990-05-31 1990-05-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990056502U JPH0415510U (en) 1990-05-31 1990-05-31

Publications (1)

Publication Number Publication Date
JPH0415510U true JPH0415510U (en) 1992-02-07

Family

ID=31580386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990056502U Pending JPH0415510U (en) 1990-05-31 1990-05-31

Country Status (1)

Country Link
JP (1) JPH0415510U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642210U (en) * 1992-11-25 1994-06-03 さとみ 鈴木 Exam calendar
JPH081660A (en) * 1994-06-20 1996-01-09 Kobe Steel Ltd Continuous kneader and its rotor segment removal tool
FR3027838A1 (en) * 2014-11-05 2016-05-06 Michelin & Cie SCREW FOR THE EXTRUSION OR MIXING OF ELASTOMER OR PLASTIC PRODUCTS FOR THE MANUFACTURE OF TIRES

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642210U (en) * 1992-11-25 1994-06-03 さとみ 鈴木 Exam calendar
JPH081660A (en) * 1994-06-20 1996-01-09 Kobe Steel Ltd Continuous kneader and its rotor segment removal tool
FR3027838A1 (en) * 2014-11-05 2016-05-06 Michelin & Cie SCREW FOR THE EXTRUSION OR MIXING OF ELASTOMER OR PLASTIC PRODUCTS FOR THE MANUFACTURE OF TIRES
WO2016071629A1 (en) * 2014-11-05 2016-05-12 Compagnie Generale Des Etablissements Michelin Sleeve for extruding or mixing elastomers or plastics and method for manufacturing same

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