Chemical raw material feeding and crushing integrated device

The utility model relates to a crushing device. The utility model relates to a device, in particular to a chemical raw material feeding and crushing integrated device. The pulverizer comprises a pulverizer body extending mechanism, a material throwing disc mechanism, a pre-tightening force adjusting mechanism, a pulverizing lining plate mechanism, a shell, a feeding box mechanism, a belt, a belt wheel and a motor. Smooth feeding can be performed by the device; device capable of crushing, the equipment can change the pre-tightening force of the spring to improve the crushing efficiency; the crushing machine body mechanism is connected with the material throwing disc mechanism; the pre-tightening force adjusting mechanism is connected with the smashing machine body mechanism, the smashing lining plate mechanism is matched with the pre-tightening force adjusting mechanism, the shell is connected with the smashing machine body mechanism, the shell is connected with the feeding box mechanism, the feeding box mecha