Automatic powder sprinkling machine for pastry production

The invention provides an automatic powder sprinkling machine for pastry production. The automatic powder sprinkling machine comprises a support frame, a controller, hoppers and protective guards; an upper cover plate is fixedly installed on the protective guards, the hoppers are installed on the upper cover plate, each hopper is composed of a cavity and an electric opening and closing door, the inner sides of the protective guards are provided with ultrasonic sensors and a conveying mechanism, and the interior of the controller is provided with a single chip microcomputer, a mini-type storage unit and a relay. Compared with the prior art, the automatic powder sprinkling machine has the advantages that when the machine is actually used, the ultrasonic sensors can sense the positions of pastries on the conveying mechanism, if the positions correspond to those of the hoppers, the electric opening and closing doors can be automatically opened, power materials such as sesame, sea sedge and chocolate can drop to the pastries from the electric opening and closing doors, and the powder sprinkling process is completed; the whole automatic powder sprinkling machine is convenient to use and operate, good in stability and high in reliability.