Guide structure of three-color printing grooving machine

The utility model discloses a guide structure of a three-color printing grooving machine, which comprises a casing, a guide roller, a printing roller and a press roller, the printing roller is arranged on one side in a frame of the casing, the press roller is arranged on one side in the frame of the casing, the guide roller is arranged in the frame of the casing, and the other end of a rod body of the guide roller is sleeved with a second guide limiting structure. And one end of a rod body of the guide roller is sleeved with a first guide limiting structure. The guide structure of the three-color printing grooving machine belongs to the field of printing grooving machines, a guide limiting structure is installed on a guide roller rod body, a rubber ring arranged on the guide limiting structure can prevent a fixing ring from sliding on the guide roller rod body, and the fixing ring is fixedly connected through an arc-shaped inserting block and an arc-shaped inserting groove. And the end face of the circular-tr