Calculus discharging device

The utility model discloses a calculus discharging device which comprises a base and a bed board, an angle adjusting assembly is installed on the base, and the angle adjusting assembly is composed of a supporting frame, an arc-shaped sliding groove, a semicircular supporting frame, an arc-shaped sliding block, a first transmission gear, a forward and reverse rotation servo motor and a second transmission gear. The limiting and fixing assembly is composed of a first supporting rod, a first concave sliding groove, a first convex sliding block, a first reset spring, a second supporting rod, second anti-skid teeth, an iron block and an electromagnet assembly, the semicircular supporting frame is driven to rotate in the positive direction and the negative direction, and the first anti-skid teeth make direct contact with the second anti-skid teeth; the limiting effect on first anti-skid teeth is achieved, meanwhile, the limiting effect on a second transmission gear is achieved, a clamping plate moves, a patient is