JPS6273918U - - Google Patents

Info

Publication number
JPS6273918U
JPS6273918U JP16677585U JP16677585U JPS6273918U JP S6273918 U JPS6273918 U JP S6273918U JP 16677585 U JP16677585 U JP 16677585U JP 16677585 U JP16677585 U JP 16677585U JP S6273918 U JPS6273918 U JP S6273918U
Authority
JP
Japan
Prior art keywords
surge valve
cylinder chamber
main cylinder
booster ram
cross
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
JP16677585U
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 JP16677585U priority Critical patent/JPS6273918U/ja
Publication of JPS6273918U publication Critical patent/JPS6273918U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Description

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

第１図はこの考案のサージバルブを設けたブー
スタラム式型締機構の一例を油圧回路とともに示
した断面図、第２図は第１図の型締機構における
サージバルブの開閉状態を図の上下に同時に示し
た要部の断面図、第３図はさらにサージバルブの
前端重なり部の重なり状態を示した拡大断面図、
第４図は従来のサージバルブの開閉状態を図の上
下に同時に示した断面図、第５図はサージバルブ
の前進途中の状態を示した拡大断面図である。 １１……可動盤、１２……主ラム、１３……主
シリンダ室、１４……ブースタラム、１５……ブ
ースタラムシリンダ室、１６……吸込チヤンバー
、１７……連通開口部、２０……サージバルブ、
２５……前端重なり部、２９……スプリング。 Figure 1 is a sectional view showing an example of a booster ram type mold clamping mechanism equipped with the surge valve of this invention together with a hydraulic circuit, and Figure 2 shows the opening and closing states of the surge valve in the mold clamping mechanism of Figure 1 at the top and bottom of the figure. A cross-sectional view of the main parts shown at the same time, and FIG.
FIG. 4 is a cross-sectional view showing the open and closed states of a conventional surge valve simultaneously at the top and bottom of the figure, and FIG. 5 is an enlarged cross-sectional view showing the surge valve in the middle of forward movement. 11...Movable plate, 12...Main ram, 13...Main cylinder chamber, 14...Booster ram, 15...Booster ram cylinder chamber, 16...Suction chamber, 17...Communication opening, 20...Surge valve ,
25...Front end overlapping part, 29...Spring.

Claims (1)

【実用新案登録請求の範囲】 ブースタラムによる高速型閉め完了後高圧圧締
段階へ移るに際して主シリンダ室と連通する吸込
チヤンバーを密閉する目的をもつてサージバルブ
が嵌挿されてなるブースタラム式型締機構におい
て、 前記サージバルブの前端に前記主シリンダ室の
連通開口部の断面形状よりわずかに小さい断面形
状を有する一定長さの前端重なり部を形成して、
サージバルブの前進時に主シリンダ室の連通開口
部の閉鎖が前記前端重なり部によつて早期に行な
われるように構成されたことを特徴とする射出成
形機のブースタラム式型締機構におけるサージバ
ルブの改良構造。[Scope of Claim for Utility Model Registration] A booster ram type mold clamping mechanism in which a surge valve is inserted for the purpose of sealing the suction chamber communicating with the main cylinder chamber when moving to the high pressure clamping stage after completion of high speed mold closing by the booster ram. forming a front end overlapping portion of a certain length at the front end of the surge valve and having a cross-sectional shape slightly smaller than the cross-sectional shape of the communication opening of the main cylinder chamber;
Improvement of a surge valve in a booster ram type mold clamping mechanism of an injection molding machine, characterized in that the communication opening of the main cylinder chamber is closed quickly by the front end overlapping part when the surge valve moves forward. structure.
JP16677585U 1985-10-30 1985-10-30 Pending JPS6273918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16677585U JPS6273918U (en) 1985-10-30 1985-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16677585U JPS6273918U (en) 1985-10-30 1985-10-30

Publications (1)

Publication Number Publication Date
JPS6273918U true JPS6273918U (en) 1987-05-12

Family

ID=31098072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16677585U Pending JPS6273918U (en) 1985-10-30 1985-10-30

Country Status (1)

Country Link
JP (1) JPS6273918U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455012U (en) * 1987-09-30 1989-04-05
JPH0336418U (en) * 1989-08-10 1991-04-09

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59201833A (en) * 1983-05-02 1984-11-15 Mitsubishi Heavy Ind Ltd Mold clamping apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59201833A (en) * 1983-05-02 1984-11-15 Mitsubishi Heavy Ind Ltd Mold clamping apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455012U (en) * 1987-09-30 1989-04-05
JPH0336418U (en) * 1989-08-10 1991-04-09

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