Leftover material crushing and recycling device

The utility model relates to the field of automobile carpet material recovery, in particular to a leftover material crushing and recovering device which comprises a material conveying bin, a conveying motor is arranged on one side of the material conveying bin, leftover materials can be conveniently conveyed, and the leftover materials can be ground and crushed through an installed licker-in. Smashed leftover materials enter a sliding box through particle recovery, are sucked into a long pipe by a started pumping motor and are conveyed to the top of a temporary storage bin, leftover material chemical fibers can fall into a cotton bin to be recycled uniformly after passing through the interior of the temporary storage bin, at the moment, suction force can be generated in a dust collection bin, and the dust is sucked into the dust collection bin. When chemical fibers pass through the buffer bin, dust in the chemical fibers can be sucked and slide into the dust falling pipe, the dust falling pipe can fall into t