Ore vibration screening device

The utility model relates to the technical field of ore extraction, and discloses an ore vibration screening device which comprises a frame arranged on the ground and a plurality of screening parts arranged at the top of the frame, the screening parts are arranged in a step shape in the length direction of the frame, and the height of the screening part located at a discharging opening of the frame is lower than that of the screening part located at a feeding opening of the frame. The screening part comprises a vibrating screen arranged on the frame, and the aperture of the vibrating screen is gradually increased in the direction from the feeding end of the frame to the discharging end of the frame. The ore fragment screening device has the effect of improving the ore fragment screening efficiency. 本申请涉及矿石开采技术领域，公开了一种矿石振动筛分装置，其包括置于地面的框架和置于框架顶部的若干筛分部，若干筛分部沿框架长度方向呈阶梯状设置，且位于框架出料口的筛分部高度低于位于框架进料口的筛分部高度，筛分部包括置于框架上的振动筛，振动筛的孔径沿框架进料端至框架出料端的方向逐渐变大。本申请具有提升矿石碎块筛分效率的效果。