The utility model provides a
fertilizer proportioning and mixing device which comprises a
mixing tank and a mixing mechanism arranged in the
mixing tank, the mixing mechanism comprises an isolation plate, a fixed cylinder, a rotating rod and a lifting mechanism, and the isolation plate is fixedly arranged in the upper end of the
mixing tank. The screw rod can be rotationally adjusted through the hand wheel, the adjusting rod, the worm gear and the worm, the distance between the adjusting block and the inner wall of the discharging
barrel can be conveniently adjusted, the adjusting block can be fixed through the self-locking capacity between the worm gear and the worm, and therefore discharging of various
fertilizer raw materials and the discharging speed can be conveniently controlled; various
fertilizer raw materials can be conveniently discharged at the same time; through a
servo motor, a rotating rod and a stirring rod, multiple fertilizer raw materials can be conveniently and preliminarily mixed on the inner side of the fixed cylinder, and through cooperation of a lower
discharge port, a stop block, a fixed cover and a lifting mechanism, the multiple fertilizer raw materials can be conveniently and fully mixed, so that the uniformity of the proportioned fertilizer is ensured, and the practicability of the device is conveniently improved.