Device suitable for feeding various mixed powder into mixing plant to mix concrete

The utility model discloses a device suitable for feeding various mixed powder into a mixing plant to mix concrete, relates to the technical field of concrete production equipment, solves the problem that the accuracy of a weighing result is affected due to the fact that the powder is easily adhered to the inner wall of a weighing hopper, and comprises the weighing hopper and a supporting frame used for supporting the weighing hopper, a supporting plate is fixedly installed on the portion, located below the weighing hopper, of the supporting frame, shells are fixedly installed on the two sides of the top of the supporting plate, movable rods slidably penetrate through the tops of the shells, impact balls are fixedly connected to the upper ends of the movable rods, limiting blocks are fixedly connected to the lower ends of the movable rods, and springs are connected to the movable rods in a sleeving mode; a motor is fixedly installed in the shell, and the output end of the motor is fixedly connected with a cam