Trace fine preparation weighing device for fertilizer production

The utility model discloses a trace fine preparation weighing device for fertilizer production, which comprises a material receiving bin, a discharge port for discharging is arranged on the side surface of the bottom end of the material receiving bin, the bottom end of the material receiving bin is fixedly connected with a weight sensor for weighing materials in the material receiving bin and thematerial receiving bin, and the bottom end of the weight sensor is fixedly connected with a fixed bracket. A plurality of feeders are fixedly connected to the fixed support, and discharging ports of the feeders are communicated with the material receiving bin. The feeder comprises a feeding hopper, the feeding hopper is fixedly connected to the fixing support, a conveying auger is arranged at thebottom end of the feeding hopper, the two ends of the conveying auger transversely penetrate through the side walls of the two sides of the bottom end of the feeding hopper, and one end of the conveying auger is in transmissio