Protective shell of laser optical fiber cutting machine

The utility model relates to the technical field of protective devices, in particular to a protective shell of a laser optical fiber cutting machine. According to the technical scheme, the cutting machine comprises a bottom plate, a mounting groove and a cutting machine body, a groove is formed in the middle of the upper end face of the bottom plate, a conveying belt is arranged in the groove, side plates are fixed to the two sides of the groove in the upper end face of the bottom plate, the upper ends of the two side plates are connected through a connecting sleeve, and the mounting groove is formed in the middle of the upper end face of the connecting sleeve; a mounting groove is formed in the upper end of the cutting machine body, clamping sleeves are fixed to the two sides of the mounting groove, the cutting machine body is fixedly inserted into the mounting groove, a side groove is formed in the lower end of the side plate, movable plates are rotationally mounted on the two sides, away from the side plat