JPH01127722U

JPH01127722U -

Info

Publication number: JPH01127722U
Application number: JP2202788U
Authority: JP
Priority date: 1988-02-22
Filing date: 1988-02-22
Publication date: 1989-08-31

Description

[Brief explanation of the drawing]

第１図にこの考案による成形型の一実施例を示
す縦断正面図、第２図は第１図のもののピンを示
す一部切欠した正面図、第３図は第２図の平面図
、第４図は第２図および第３図のピンに対応した
ばりの縦断正面図、第５図は第４図の―線に
沿つた横断平面図、第６図はピンの他の実施例を
示す一部切欠した正面図、第７図は第６図の平面
図、第８図第６図および第７図のピンに対応した
ばりの縦断正面図、第９図は第８図の―線に
沿つた横断平面図、第１０図にピンのさらに他の
実施例を示す一部切欠した正面図、第１１図は第
１０図の平面図、第１２図は第１０図および第１
１図のピンに対応したばりの縦断正面図、第１３
図は成形型の一例を示す縦断正面図、第１４図は
第１３図のもののもつ型開状態を示す説明図、第
１５図は従来の成形型の一例を示す縦断正面図で
ある。１，６１……上型、２，６２……下型、３，６
３……芯棒、４，２４，４４，６４，６４′……
ピン、５，２５，４５，６５……頭部、６，６６
……スプル、７，６７……デイスクランナ、８，
６８……ゲート、９，６９……キヤビテイ、１０
，７０……突条、１１，３１，５１……突起、１
２，７２……製品、１３，３３，５３，７３……
ばり、１３ａ，３３ａ，５３ａ，７３ａ……スプ
ル部分、１３ｂ，３３ｂ，５３ａ，７３ｂ……デ
イスクランナ部分、１３ｃ，３３ｃ……薄肉部、
７４……ばり把みハンド。 Fig. 1 is a vertical sectional front view showing an embodiment of the mold according to this invention, Fig. 2 is a partially cutaway front view showing the pin of Fig. 1, and Fig. 3 is a plan view of Fig. 2; Figure 4 is a longitudinal sectional front view of a burr corresponding to the pins in Figures 2 and 3, Figure 5 is a cross-sectional plan view taken along the line - in Figure 4, and Figure 6 shows another embodiment of the pin. A partially cutaway front view, Fig. 7 is a plan view of Fig. 6, Fig. 8 is a vertical cross-sectional front view of the burr corresponding to the pins of Figs. 6 and 7, Fig. 9 is along the - line of Fig. 10 is a partially cutaway front view showing still another embodiment of the pin, FIG. 11 is a plan view of FIG. 10, and FIG. 12 is a cross-sectional view of FIG.
Vertical front view of the burr corresponding to the pin in Figure 1, No. 13
14 is an explanatory diagram showing an open state of the mold shown in FIG. 13, and FIG. 15 is a vertical sectional front view showing an example of a conventional mold. 1,61...Upper mold, 2,62...Lower mold, 3,6
3... Core rod, 4, 24, 44, 64, 64'...
Pin, 5, 25, 45, 65...Head, 6, 66
...Sprue, 7,67...Day Scrunner, 8,
68...Gate, 9, 69...Cavity, 10
,70...Protrusion, 11,31,51...Protrusion, 1
2,72...Product, 13,33,53,73...
burr, 13a, 33a, 53a, 73a... sprue part, 13b, 33b, 53a, 73b... disk scanner part, 13c, 33c... thin wall part,
74... Burr gripping hand.

Claims

[Scope of utility model registration request]

In order to separate the burrs in the sprue 6 and the disk scanner 7 from the product, in a mold equipped with pins 4, 24, 44 that push up the bottom surface of the disk scanner 7, a sprue is attached to the head of the pin 4, 24, 44. The mold is characterized in that protrusions 11 and 31 are provided only in a part near the juncture between the disc runner 6 and the disk scrubber 7.