The invention relates to a material conveying device with an automatic unloading function. The material conveying device comprises a driving module, a hanging basket module and a control module; the control module is used for controlling ascending, descending or stopping of the hanging basket module; the driving module comprises a frame, a motor, a synchronizing shaft, a first rolling wheel, a second rolling wheel, a first pull rope, a second pull rope, a spring and a rocker arm; the hanging basket module comprises a hanging basket shell, a left first spring, a left second spring, a left first rocker arm, a left second rocker arm, a first bottom plate, a second bottom plate, a right first spring, a right second spring, a right first rocker arm and a right second rocker arm; and the control module comprises a power supply, a control button module, a motor driving circuit, an upper limit travel switch and a lower limit travel switch. The material conveying device is simple in structure, low in manufacturing cost, simple in control logic, simple in use process, convenient to reduce equipment operation time and capable of improving production efficiency; and the gravity center of the vehicle is reduced, the vehicle overturning risk is reduced, the safety coefficient is improved, and the production efficiency is improved.