供风控制管路和撒砂装置

Supply wind -controlled tubulation way and sanding device

Abstract

本实用新型提供一种供风控制管路和撒砂装置,其中,供风控制管路包括:压缩空气入口、撒砂控制电磁阀、干燥控制电磁阀和压缩空气出口;撒砂控制电磁阀用于,在撒砂控制电磁阀导通且干燥控制电磁阀关断时使压缩空气通过撒砂控制电磁阀以及压缩空气出口进入撒砂器实现撒砂供风;干燥控制电磁阀用于,在撒砂控制电磁阀关断且干燥控制电磁阀周期导通时,使压缩空气通过干燥控制电磁阀以及压缩空气出口进入撒砂器实现砂箱干燥供风。本实用新型提供的供风控制管路,简化了空气控制管路的结构,降低了干燥供风的耗风量。
The utility model provides a supply wind -controlled tubulation way and sanding device wherein, supplies wind -controlled tubulation way to include: compressed air entry, stucco control solenoid, dry control solenoid and compressed air export, the stucco control solenoid be used for, switches on at stucco control solenoid to make compressed air get into stucco ware realization stucco air feed through stucco control solenoid and compressed air export when just dry control solenoid turn -offs, the drying control solenoid valve is used for, turn -offs and drying control solenoid valve cycle when switching on at stucco control solenoid, makes compressed air pass through drying control solenoid valve and compressed air export and gets into the stucco ware and realize the dry air feed of sand box. The utility model provides a supply wind -controlled tubulation way, simplified the structure of air control pipeline, reduced the blast consumption of dry air feed.

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