Ore crushing device for mining

The utility model discloses an ore crushing device for mining, which comprises a transportation mechanism and a crushing mechanism arranged at the upper end of the transportation mechanism, an operator puts ore into a conical bin, the ore falls on the upper surfaces of guide rollers through the conical bin, so that the two groups of guide rollers rotate outwards, and the crushing mechanism is arranged at the upper end of the transportation mechanism. A guide shaft is fixedly installed on the outer surface of the guide roller and drives ores to swing towards the inner wall of the screening net, and small ores can pass through the screening net, that is, the small ores can be thrown out through the screening net and fall into the containing box through an inclined plate at the bottom end of a clamping opening, and large ores fall onto the lower surface of a discharging plate and fall through a through hole. When large ore falls without passing through the through hole, the large ore is taken up by the guide sha