Printing machine

The printing machine comprises a printing machine body used for printing bottle bodies, a conveying belt is arranged at the position, at a bottle body outlet, of the printing machine body, the conveying direction of the conveying belt is arranged in the horizontal direction, a baffle is vertically arranged on a supporting frame, and a channel allowing the bottle bodies to vertically fall off is reserved between the baffle and the output end of the conveying belt. A support is arranged on the ground and located at the output end of the conveying belt, an object placing plate is horizontally arranged on the support, a collecting box used for collecting bottle bodies is placed on the object placing plate, a channel allowing the bottle bodies to horizontally pass through is reserved between the object placing plate and the collecting box, and the object placing plate is in sliding connection with the support in the conveying direction of the conveying belt and in sliding connection with the support in the width d