Automatic conveying device applied to range hood

The utility model provides an automatic transmission device applied to a range hood. The automatic transmission device comprises a protection plate translation assembly, a transmission assembly and a transmission assembly, wherein the protection plate translation assembly is used for driving a transparent protection plate arranged in the range hood to translate; the vacuum chuck assembly is used for adsorbing the transparent protection plate; the suction cup lifting assembly is used for driving the vacuum suction cup assembly to lift; the suction cup translation assembly is used for driving the suction cup lifting assembly to translate; and the controller is electrically connected with the protection plate translation assembly, the vacuum suction cup assembly, the suction cup lifting assembly and the suction cup translation assembly. According to the utility model, the camera transparent protection plate in the range hood can be automatically replaced, and time and labor are saved. 本实用新型提供一种应用于烟机内的自动传输装置，所述自动