Metering mechanism of automatic packaging machine

The utility model discloses an automatic packaging machinery metering mechanism which comprises a bottom plate, the left front end of the top of the bottom plate is fixedly connected with a weighing device, the top of the weighing device is provided with a placing plate, the left side of the bottom plate is fixedly connected with an air outlet spray head through a support, and the left rear end of the top of the bottom plate is fixedly connected with a heating box. A heating groove is formed in an inner cavity of the heating box, an electric heating wire is fixedly connected to an inner cavity of the heating groove, a mounting groove is formed in the upper portion of the inner cavity of the heating box, a fan is fixedly connected to an inner cavity of the mounting groove, and a groove is formed in the top of the bottom plate. Through mutual cooperation of the water tank, the water outlet nozzle, the electric telescopic rod, the cleaning sponge, the air outlet nozzle, the motor, the threaded sleeve, the guide