Impurity detection device for pastries

The utility model relates to the technical field of pastry production, and discloses a pastry impurity detection device which comprises a base, a side plate is fixedly installed on the end face of the base, a transparent groove plate is arranged on one side of the side plate, a transparent cover is arranged above the transparent groove plate, the transparent groove plate is obliquely arranged, and the transparent cover is arranged above the transparent groove plate. Mounting blocks are integrally formed at corners of two opposite sides of the transparent trough plate, a rotating shaft is fixedly mounted at the end of one of the mounting blocks, the shaft wall of the rotating shaft is rotatably connected with the side wall of the side plate, the side plate and the rotating shaft are jointly provided with a driving mechanism, a visual inspection camera is arranged above the transparent trough plate, and the visual inspection camera is arranged above the transparent trough plate. And the side plate and the visua