JPS641911U

JPS641911U -

Info

Publication number: JPS641911U
Application number: JP9430787U
Authority: JP
Priority date: 1987-06-19
Filing date: 1987-06-19
Publication date: 1989-01-09
Also published as: JPH0420586Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例として示した反応射
出成形用金型の概略構成を示す断面図、第２図は
第１図の補助金型の拡大断面図、第３図は第２図
の―線に沿う断面図、第４図は第３図の―
線に沿う断面図、第５図は絞り板の取り付け状
態の異なる補助金型を示す平面図、第６図は異な
る形状の上金型を有する補助金型の断面図、第７
図は第６図の―線に沿う断面図、第８図は従
来例として示した二次混合室の平面図である。１１ｂ……型キヤビテイ、１３……ミキシング
ヘツド、１５ａ……通路、１５ｂ……二次混合室
、１５ｄ……流入口、１６……絞り板（絞り調整
具）。 FIG. 1 is a sectional view showing the schematic structure of a reaction injection molding mold shown as an embodiment of the present invention, FIG. 2 is an enlarged sectional view of the auxiliary mold shown in FIG. 1, and FIG. Figure 4 is a cross-sectional view along the line of Figure 3.
5 is a plan view showing auxiliary molds with different attachment states of the aperture plate; FIG. 6 is a sectional view of auxiliary molds having upper molds of different shapes;
The figure is a sectional view taken along the line --- in FIG. 6, and FIG. 8 is a plan view of a secondary mixing chamber shown as a conventional example. 11b...mold cavity, 13...mixing head, 15a...passage, 15b...secondary mixing chamber, 15d...inflow port, 16...throttle plate (throttle adjustment tool).

Claims

[Scope of utility model registration request]

In a mold for reaction injection molding in which a secondary mixing chamber is provided in the middle of a passage leading from a mixing head to a mold cavity, the flow path area of the inlet is adjusted in the inlet that communicates with the mixing head of the secondary mixing chamber. A mold for reaction injection molding, characterized in that a diaphragm adjustment tool is inserted.