Farmland residual mulching film screening equipment capable of being folded and disassembled

The foldable and detachable farmland residual mulching film screening equipment comprises a screening box, a supporting mechanism is arranged at the bottom of the screening box, sliding grooves are formed in the front side and the rear side of the bottom of the screening box, supporting rods are arranged at the bottom of the screening box, and a screening mechanism is arranged in an inner cavity of the screening box. By adopting the supporting rod, the dismounting rod, the first screw rod, the first positioning cap, the supporting wheel, the reinforcing rod, the second screw rod and the second positioning cap, the device can be conveniently moved; through the supporting frame, the fixing handle, the first supporting column, the pressing frame, the second supporting column, a hasp, a first screen, a first connecting sleeve, a movable wheel, a second screen, a first connecting column, a second connecting sleeve, a second connecting column and a third screen, the monitoring tool box, the supporting rod, the dism