Straw smashing and dust removing device

The utility model discloses a straw smashing and dust removing device which comprises a straw smashing machine, a second transmission belt wheel is arranged on one side of the straw smashing machine, a discharging port is formed in the other side of the straw smashing machine, and a feeding port is formed in the front end of the straw smashing machine. A dust collection structure is arranged at the front end of the straw pulverizer and located at the feed port, and a material guide structure is arranged at the joint of the dust collection structure and the straw pulverizer; according to the straw smashing and dust removing device, dust in the straw smashing machine and the dust collecting pipe can be extracted through the draught fan, dust is prevented from overflowing from the feeding port through the top end of the material guiding plate, the feeding port can be blocked through the top end of the material guiding plate, and foreign matter is prevented from falling into the straw smashing machine; the materi