Movable mining machine for gravel treatment

The movable mining machine comprises a shell and a reinforcing plate, one side of the reinforcing plate is fixedly connected with a motor, one end of an output shaft of the motor penetrates through a first rotating shaft of the reinforcing plate, the circumferential outer wall of the first rotating shaft is movably connected with a first gear, mounting holes are formed in the two sides of the shell, and the first gear is movably connected with a second gear through the mounting holes. A second rotating shaft is movably connected into the mounting hole, one end of the second rotating shaft is movably connected with a second gear, the first gear is meshed with the second gear, a third sliding groove is formed in one side of the reinforcing plate, a rack is movably connected into the third sliding groove, the rack is movably connected with the shell, and a first sliding groove is formed in one side of the rack. And a material receiving box is movably connected into the first sliding groove. According to the util