The utility model relates to a plastics ampoule sectional type slot mechanism mainly is applied to blowing the technical field that process that embedment equipment the produced veneer plastics ampoule after die -cut carries out the product slot. Including cutting knife subassembly, push -down subassembly and the flat push subassembly that sets gradually, cutting knife subassembly lower part is equipped with holds in the palm the bottle subassembly, the cutting knife subassembly includes cutting knife group and is used for the cutting knife fixed plate of fixed cutting knife group that the cutting knife fixed plate outside still includes die -cut matrix plate on fixing the push -down subassembly, die -cut matrix plate and the relative setting of cutting knife group. The utility model discloses can segment the slot simultaneously, the slot is efficient.