Iron ore boundary detection device

The invention discloses an iron ore boundary detection device, and belongs to the field of mineral exploration. The device comprises a detector, the detector comprises a connecting rod, a search coil and a console, the search coil comprises a shell, the device further comprises two cleaning devices, and each cleaning device comprises a driving device which comprises a driving motor, a driving rod, a sliding handle, an adjusting gear and a retainer; the driving motor is fixedly arranged on the shell and is used for driving the driving rod to rotate; one end of the sliding handle is hinged to the driving rod, an adjusting rack matched with the adjusting gear is arranged on the sliding handle, the adjusting gear is rotatably arranged on the shell, and the holder is used for keeping the meshing state of the adjusting gear and the adjusting rack; and the shifting block is fixedly arranged at one end, far away from the driving rod, of the sliding handle. The whole movement process of the device simulates the action