鑄造車間原有摆动篩是用人工向篩上拋砂,劳动强度很大。在这次大搞机械化运动中,根据斗式提升机的原理,在篩砂机运动部分后面加入一个斗式提砂装置,这样就减輕了人工向上拋砂的体力劳动。篩砂时只要将 The original shaker screen in the foundry is to manually throw sand on the screen, which has great labor intensity. In this large-scale mechanization movement, a bucket-type sand-lifting device was added behind the movement part of the sand-sanding machine according to the principle of a bucket elevator, which reduced manual labor for manual sanding. When sand is sieved