Cable cutting device for cable installation

The invention belongs to the field of cable installation, and particularly relates to a cable cutting device for cable installation, which comprises a fixed bottom plate, a protective side plate is fixedly connected to the fixed bottom plate, a fixed top plate is fixedly connected to the top of the protective side plate, and a cutting assembly is installed on the fixed top plate. The fixed bottom plate and the fixed top plate are each provided with a guide conveying assembly, the fixed bottom plate is provided with an automatic rubbing assembly, a waste collecting assembly and a movable placing assembly, the interior of the fixed bottom plate is fixedly connected with a third spring, and the other end of the third spring is fixedly connected with a sliding seat; the problems that an existing cutting-off device can only simply cut off the end of a cable, stripping of a protective layer and connection of two sections of cables can not be carried out on the end of the cable at the same time, functionality is poo