Crushing and feeding device for extraction tank

The utility model discloses a crushing and feeding device for an extraction tank. The crushing and feeding device comprises a crushing box, a crushing mechanism and a fine grinding mechanism, supports are arranged on the lower surface of the smashing box, a first platform and a second platform are fixedly connected to the lower ends among the four supports, the first platform is located at the upper end of the second platform, and a discharging pipe is arranged at a discharging port in the lower end of the smashing box; the crushing mechanism is arranged at the upper end of the crushing box; the fine grinding mechanism is arranged between the lower end of the interior of the smashing box and the second platform, a control switch set is arranged at the upper end of the front side face of the smashing box, and the input end of the control switch set is electrically connected with an external power source. The two reels installed in a matched mode also guarantee that various materials can be fully smashed, full