Raw coal crushing device capable of avoiding waste of raw coal

The utility model provides a raw coal crushing device capable of avoiding waste of raw coal. Comprising a crushing cylinder, supporting legs, two crushing rollers, a feeding hopper, a discharging hopper, a discharging guide hopper, a mounting plate arranged on the inner wall of the lower end of the discharging hopper, a stirring motor arranged at the bottom of the mounting plate and provided with an output shaft upwards penetrating through the mounting plate, and a stirring shaft connected with the output shaft of the stirring motor, upwards penetrating through the discharging hopper and extending into the crushing cylinder. The stirring blades are arranged on the stirring shaft; and the scraping plates are arranged at the end parts of the stirring blades and are used for cleaning materials adhered to the inner wall of the crushing cylinder and the inner wall of the discharging guide hopper. By means of the raw coal smashing device capable of avoiding raw coal waste, raw coal can be smashed, smashed materials