Novel pipe cutting device for rubber sealing belt of floating-roof oil tank

The utility model relates to the technical field of floating-roof oil tank rubber sealing tape processing, and discloses a novel pipe cutting device for a floating-roof oil tank rubber sealing tape, which comprises a processing box, a pipe cutting mechanism is arranged in the processing box, a dust collection mechanism is arranged at the top end of the processing box, and a support column is arranged at the bottom end of the processing box; the pipe cutting mechanism comprises a plurality of mounting seats, first motors are arranged at the bottom ends of the mounting seats, and cutting knives are arranged at the output ends of the first motors; the dust collection mechanism comprises a dust collector, the dust collector is arranged at the top end of the machining box, a dust inlet hose is arranged at the dust inlet end of the dust collector, a connecting pipe is arranged at one end of the dust inlet hose, and a dust collection hopper is arranged at one end of the connecting pipe. And a second motor can drive