JPH023811U - - Google Patents

Info

Publication number
JPH023811U
JPH023811U JP7784288U JP7784288U JPH023811U JP H023811 U JPH023811 U JP H023811U JP 7784288 U JP7784288 U JP 7784288U JP 7784288 U JP7784288 U JP 7784288U JP H023811 U JPH023811 U JP H023811U
Authority
JP
Japan
Prior art keywords
injection
core
injection molding
runner
needle
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
JP7784288U
Other languages
Japanese (ja)
Other versions
JPH0518113Y2 (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 JP7784288U priority Critical patent/JPH0518113Y2/ja
Publication of JPH023811U publication Critical patent/JPH023811U/ja
Application granted granted Critical
Publication of JPH0518113Y2 publication Critical patent/JPH0518113Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Description

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

第1図は本考案のコアバツク式二段射出成形機
の縦断面図、第2図はその要部縦断面図、第3図
はこの成形機を用いた場合の樹脂の流れを示した
要部斜視図を示したものであり、第4図は従来公
知のコアバツク式二段射出成形機の縦断面図でa
)は一次射出時、b)は二次射出時を示したもの
、第5図は他の公知のコアバツク式二段射出成形
機の要部縦断面を示したものである。また、第6
図は従来公知のアモルフアス合金被覆成形体、第
7図は従来公知の電圧セラミツクス成形体を示し
たものである。 1,23,26,29……射出成形機、2……
ニードル、3,11,24,30……第1スプー
ル、4,13,31……第1ランナー、5,21
,32……コア、6,22,33……油圧シリン
ダー、7,25,34……空隙、8,27,36
……第2スプール、9,15,37……第2ラン
ナー、10,14,28,38……成形品。
Fig. 1 is a longitudinal sectional view of the core back type two-stage injection molding machine of the present invention, Fig. 2 is a longitudinal sectional view of its main parts, and Fig. 3 is a main part showing the flow of resin when this molding machine is used. A perspective view is shown, and FIG. 4 is a vertical sectional view of a conventionally known core back type two-stage injection molding machine.
) shows the state during the primary injection, b) shows the state during the secondary injection, and FIG. 5 shows a longitudinal section of the main part of another known core-back type two-stage injection molding machine. Also, the 6th
The figure shows a conventionally known amorphous alloy coated molded body, and FIG. 7 shows a conventionally known voltage ceramic molded body. 1, 23, 26, 29...injection molding machine, 2...
Needle, 3, 11, 24, 30... 1st spool, 4, 13, 31... 1st runner, 5, 21
, 32... Core, 6, 22, 33... Hydraulic cylinder, 7, 25, 34... Gap, 8, 27, 36
... Second spool, 9, 15, 37 ... Second runner, 10, 14, 28, 38 ... Molded product.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] モールド金型においてキヤビテイを形成するコ
アの一部を1次射出後にパーテイング面に対して
垂直に移動させ、この移動によつて生じた空間に
2次射出する2段射出成形機において、上記コア
と同期して前記パーテイング面に対して垂直に移
動して2次射出時の第2ランナー入口を形成する
ニードルを1次射出の第1スプールまたは第1ラ
ンナー末端に設けてなることを特徴とするコアバ
ツク式二段射出成形装置。
In a two-stage injection molding machine that moves a part of the core that forms the cavity in the mold die perpendicularly to the parting surface after the first injection, and then injects the second injection into the space created by this movement, the above-mentioned core and A core bag characterized in that a needle is provided at the end of the first spool or the first runner for primary injection, the needle synchronously moving perpendicular to the parting surface to form a second runner inlet for secondary injection. Type two-stage injection molding equipment.
JP7784288U 1988-06-13 1988-06-13 Expired - Lifetime JPH0518113Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7784288U JPH0518113Y2 (en) 1988-06-13 1988-06-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7784288U JPH0518113Y2 (en) 1988-06-13 1988-06-13

Publications (2)

Publication Number Publication Date
JPH023811U true JPH023811U (en) 1990-01-11
JPH0518113Y2 JPH0518113Y2 (en) 1993-05-14

Family

ID=31302802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7784288U Expired - Lifetime JPH0518113Y2 (en) 1988-06-13 1988-06-13

Country Status (1)

Country Link
JP (1) JPH0518113Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3252146B1 (en) * 2001-06-13 2002-01-28 有限会社エス・エム・イー Plastic lens manufacturing method

Also Published As

Publication number Publication date
JPH0518113Y2 (en) 1993-05-14

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