JPH03129428U - - Google Patents

Info

Publication number
JPH03129428U
JPH03129428U JP3860690U JP3860690U JPH03129428U JP H03129428 U JPH03129428 U JP H03129428U JP 3860690 U JP3860690 U JP 3860690U JP 3860690 U JP3860690 U JP 3860690U JP H03129428 U JPH03129428 U JP H03129428U
Authority
JP
Japan
Prior art keywords
mold
core
movable mold
core pin
extrusion
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
JP3860690U
Other languages
English (en)
Other versions
JPH0716415Y2 (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 JP3860690U priority Critical patent/JPH0716415Y2/ja
Publication of JPH03129428U publication Critical patent/JPH03129428U/ja
Application granted granted Critical
Publication of JPH0716415Y2 publication Critical patent/JPH0716415Y2/ja
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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4421—Removing or ejecting moulded articles for undercut articles using expansible or collapsible cores
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2628—Moulds with mould parts forming holes in or through the moulded article, e.g. for bearing cages

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Description

【図面の簡単な説明】
第１図及び第２図は本考案の一実施例を示す部
分断面図にして、型締め時と型開き時の状態のも
の、第３図及び第４図は本考案を実施しない金型
構造を示す部分断面図である。 １……固定型、２……可動型、３……キヤビテ
イ、４……成形品、６……アンダーカツト部、７
……透孔、８……押し出しコア、９……ロツド、
１０……エジエクタプレート、１１……コアピン
、１７……可動型取付板（当たり部）、１８……
圧縮コイルばね（ばね）。

Claims (1)

  1. 【実用新案登録請求の範囲】 下記構成要素を備えた射出成形金型 ａ 固定型。 ｂ 前記固定型との間にキヤビテイを形成する可
    動型。 ｃ 成形品にアンダーカツト部を形設すべく、前
    記可動型に配置される押し出しコア。 ｄ 前記押し出しコアをエジエクタプレートに連
    結するロツド。 ｅ 可動型と押し出しコアとを貫通すると共に、
    前記エジエクタプレートに、一定範囲の軸方向相
    対移動を行えるよう取り付けられたコアピン。 ｆ 型締め時、前記コアピンを押して、成形品に
    透孔ないし凹部を形設する位置にこれを維持する
    、可動型取付板側の当たり部。 ｇ コアピンと可動型との間に挿入され、型開き
    と共にコアピンを、その先端が押し出しコアの中
    に入り込み、且つそこから抜け出しもしない位置
    に相対変位させるばね。
JP3860690U 1990-04-10 1990-04-10 射出成形金型 Expired - Lifetime JPH0716415Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3860690U JPH0716415Y2 (ja) 1990-04-10 1990-04-10 射出成形金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3860690U JPH0716415Y2 (ja) 1990-04-10 1990-04-10 射出成形金型

Publications (2)

Publication Number Publication Date
JPH03129428U true JPH03129428U (ja) 1991-12-26
JPH0716415Y2 JPH0716415Y2 (ja) 1995-04-19

Family

ID=31546762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3860690U Expired - Lifetime JPH0716415Y2 (ja) 1990-04-10 1990-04-10 射出成形金型

Country Status (1)

Country Link
JP (1) JPH0716415Y2 (ja)

Also Published As

Publication number Publication date
JPH0716415Y2 (ja) 1995-04-19

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