JPH0458316U

JPH0458316U -

Info

Publication number: JPH0458316U
Application number: JP9958190U
Authority: JP
Priority date: 1990-09-21
Filing date: 1990-09-21
Publication date: 1992-05-19

Description

[Brief explanation of drawings]

第１図、第４図及び第５図は本考案の第１〜第
３実施例に係るシヤツトオフバルブ開閉機構の側
面図、第２図は第１図の正面図、第３図は第１図
のＡ部詳細図、第６図は第５図Ｂ部の拡大断面図
、第７図は従来のシヤツトオフノズルを示す部分
断面図、第８図は第７図の要部拡大断面図である
。図の主要部分の説明、３２……エンドキヤツプ
、３５……ロータリーシヤツトオフバルブ、３６
……バルブボデイ、３７……バルブレバー、４０
……リンク軸、４１……中間レバー、４２……支
台、４３……中間レバー軸、４５……ピン、４７
……延長ロツド、４９……油圧シリンダ、６１…
…中間レバー、６２……支台、６５……減速モー
タ、７１……中間レバー、７２……油圧シリンダ
、７４……シヤツトオフノズル、７５……ニード
ル、７６……レバー。 1, 4, and 5 are side views of the shut-off valve opening/closing mechanism according to the first to third embodiments of the present invention, FIG. 2 is a front view of FIG. 1, and FIG. Figure 6 is a detailed view of part A in the figure, Figure 6 is an enlarged cross-sectional view of part B in Figure 5, Figure 7 is a partial cross-sectional view showing a conventional shut-off nozzle, and Figure 8 is an enlarged cross-sectional view of the main part of Figure 7. be. Explanation of the main parts of the diagram, 32...End cap, 35...Rotary shut-off valve, 36
... Valve body, 37 ... Valve lever, 40
... Link shaft, 41 ... Intermediate lever, 42 ... Abutment, 43 ... Intermediate lever shaft, 45 ... Pin, 47
...Extension rod, 49...Hydraulic cylinder, 61...
...Intermediate lever, 62...Abutment, 65...Deceleration motor, 71...Intermediate lever, 72...Hydraulic cylinder, 74...Shut-off nozzle, 75...Needle, 76...Lever.

Claims

[Scope of utility model registration request]

A shut-off for an injection molding machine having a shut-off valve provided in a molten resin passage of an injection nozzle, a valve lever that opens and closes the shut-off valve by swinging, and a driving means for swinging the valve lever. In the valve opening and closing mechanism,
A link is provided between the valve lever and the driving means, the link is connected to one end of the valve lever so as to swing the valve lever, and the other end of the link and the tip of the driving means are respectively swingable. A shut-off valve opening/closing mechanism for an injection molding machine, comprising: a lever that is connected to each other and has a swinging fulcrum; and a support that swingably supports the swinging fulcrum of the lever.