Comprehensive crusher

The utility model relates to a comprehensive crusher which comprises a machine frame, a feeding conveying belt, a feeder assembly, a crushing rotor assembly, a middle feeding belt conveyor and a discharging belt conveyor are sequentially arranged on the machine frame from front to back, and the feeder assembly is used for conveying materials on the feeding conveying belt to the crushing rotor assembly. The crushing rotor assembly comprises a crushing chamber, a first rotor and a second rotor, the first rotor and the second rotor are located in the crushing chamber and coaxially rotate, a hammer or crushing teeth are arranged on the first rotor, meshed blades are arranged on the second rotor, sieve plates are arranged on the peripheries of the first rotor and the second rotor, and the middle feeding belt conveyor is located below the sieve plates. The rear end of the middle feeding belt conveyor is located above the front end of the discharging belt conveyor. Two sets of rotors and tool bits are adopted, the a