Stepping type automatic overturning heating furnace

The invention provides a stepping type automatic overturning heating furnace, which is provided with a furnace body, wherein a hearth is arranged at the upper part of the furnace body and the upper part of the hearth is provided with a combustion nozzle; fixed beams are horizontally arranged at the bottom of the hearth along the transverse direction; a movable beam is arranged between the fixed beams; one row of cantilever rollers are horizontally arranged at the left side of the hearth in the vertical direction; the cantilever rollers are located between the furnace wall of the furnace body and the left end faces of the fixed beams and the movable beam; a hoisting mechanism is arranged at the bottom of the furnace body; the hoisting mechanism is provided with a translation mechanism; the movable beam is fixedly arranged above the translation mechanism; heat-resisting cushion blocks I are arranged on the fixed beams; and the upper end face of each heat-resisting cushion block I is a V-shaped inclined plane. A