The utility model provides a clay cutting machine, belongs to the professional equipment technical field of building material production trade. Including the frame, has a pair of frame roof beam body, garrulous mud drum, it is fixed with a pair of frame roof beam body, walk conveying mechanism is located garrulous mud drum intracavity, console, its left end are connected between a pair of frame roof beam body, the right -hand member constitutes for the free end of luffing motion, walk shredder mechanism, including rotating knife axle, chopping cutter seat and chopping cutter, the rotating knife axle suspension is at the right -hand member of console, and its middle part is corresponding to walk conveying mechanism's top, and the chopping cutter seat is fixed at the middle part of rotating knife axle, and chopping cutter fixes on the chopping cutter seat, power transmission mechanism establishes the left end at the console, characteristics: go up and respectively establish an effect jar corresponding to the position of the right -hand member of console at a pair of frame roof beam body, should act on the effect jar post orientation of jar and last and articulate with the right -hand member of console. Make chopping cutter avoid hard thing, avoid chopping cutter to damage, effectively protect the rotating knife axle to make its effect of exerting steady motion lastingly.