Vacuum feeding machine for chemical material production

The utility model relates to the technical field of chemical material production, and discloses a vacuum feeding machine for chemical material production, which comprises a feeding machine body, the feeding end of the feeding machine body is connected with a feeding pipe, the feeding end of the feeding pipe is fixedly connected with a feeding hopper, and the outer side wall of the feeding hopper is fixedly connected with a storage box; a supporting plate is fixedly arranged on the side, close to the feeding hopper, in the storage box, the end of the supporting plate is rotationally connected with a rotating rod, the end, away from the supporting plate, of the rotating rod extends to the discharging end of the feeding hopper, the rod wall of the rotating rod is fixedly sleeved with a spiral pushing blade, and the top face of the supporting plate is fixedly connected with a driving motor. The feeding speed can be controlled, the feeding speed is kept basically constant, too much or too little feeding at a time