Anti-blocking device of elevator

The utility model provides an anti-blocking device for an elevator, which belongs to the technical field of chicken feed processing and comprises a device shell. The protection frame is fixedly connected to one side end of the device shell; the screening mechanism comprises a motor fixing base, a driving motor, a driving rotating rod, a rotating disc, a rotating block, a plurality of fixing rods, rotating wheels, a cross-shaped sliding block and a sliding groove, the chicken feed on a screening plate is screened through reciprocating motion of the cross-shaped sliding block, and the finely-crushed chicken feed falls to an inlet of the elevator to screen the large-particle chicken feed; large chick feed is prevented from being accumulated to block a feeding port of the elevator and is uniformly distributed in a hopper of the elevator. 本实用新型提供一种提升机防堵装置，属于鸡饲料加工技术领域，该提升机防堵装置包括装置壳；保护框，保护框固定连接于装置壳的一侧端；筛选机构，筛选机构包括电机固定座、驱动电机、主动转杆、转盘、转块、固定杆、转轮、十字滑块和滑动槽，固定杆和转轮设有多个，通过十字滑块来对筛选板上的鸡饲料往复运动进行筛选，使细碎的鸡饲料落下至提升机入口筛选的大颗粒的鸡饲料，避免大块