Heat shrinkable tube cutter

The utility model relates to a heat shrinkable tube cutter, a pair of first gib block (3) of connection in frame (1), go up compression roller (4), a pair of second gib block (9) and cutter (6), second direction passageway (10) aligns with first direction passageway (7), be equipped with one perpendicular groove (14) on fixing base (13), be equipped with in perpendicular groove (14) bearing frame (16), bearing frame (16) slidable ground lies in vertical guide way (15), bearing frame (16) upper end is connected with guide arm (17), is erecting between groove (14) and bearing frame (16) on spring (19) top, it connects on bearing frame (16) to go up compression roller (4) both ends. The utility model has the advantages that: not only the pyrocondensation pipeline can not the off tracking, makes the pyrocondensation pipe that cuts not have the bevel connection, can avoid in addition the compression roller with appear pressing between the compression roller down the tension unable problem that contact maybe, assur