The invention discloses a single-molding
ring type automatic V-method
production line. The
production line comprises a molding ring, a lower box lower core wire, an upper box wire, an end transfer trolley, a box closing
manipulator, a pouring line, a middle transfer trolley, a cooling line, a box opening transfer trolley, an empty box returning roller way, a box opening and
casting taking
manipulator, a sand
treatment system, a vacuum
system and a dust removal
system. The modeling ring comprises a lower
line model roller way, an upper
line model roller way, a second model transfer trolley, an empty box
manipulator, a raining sand adding device, a compaction table, a back
film coating device and a drawing manipulator; the offline model roller way comprises a sand adding section, a vacuum switching device and a
molding sand hopper; the on-
line model roller way comprises a first model transfer trolley, a film covering mechanism, a film covering section, a vacuum switching device, a spraying device and a
coating drying device. According to the invention, the problem of low
automation level of a V-method modeling
production line in the prior art is solved.