Grinding machine feed amount control device

The utility model discloses a mill feed amount control device in the field of chemical cellulose production, which comprises a rotating mill knife, a movable mill knife, a worm and gear transmission device, a screw rod, a metal induction block, a proximity switch and a mill base, the rotating mill knife is connected with a rotating shaft at the right end of a mill in a matched manner, and the movable mill knife is positioned on the left side of the rotating mill knife. The grinding face of the movable grinding knife is opposite to the grinding face of the rotary grinding knife, the lead screw is meshed with the worm and gear transmission device and fixedly connected with the movable grinding knife, the metal induction block is arranged on the lead screw and arranged between the proximity switches, the connecting rod is vertically arranged, the first end of the connecting rod is connected with the lead screw, and the second end of the connecting rod is connected with the magnetic induction block. The magnetost