FLASKLESS MOLDING MACHINE

A flaskless molding machine includes: an upper flask and a lower flask that can clamp a match plate; an upper sand tank that is disposed above the upper flask, is open at a lower end, and internally stores mold sand; an upper plate that is attached to a lower end of the upper sand tank, with a supply port being formed in the upper plate, and can enter and be retracted from the inside of the upper flask; a first lower sand tank that internally stores the mold sand, and has a first communication port for discharging the mold sand; a second lower sand tank that is disposed below the lower flask, is open at an upper end thereof, has a second communication port capable of communicating with the first communication port of the first lower sand tank, and stores the mold sand; a lower plate that is attached to an upper end of the second lower sand tank, with a supply port being formed in the lower plate, and can enter and be retracted from the inside of the lower flask; a drive unit that moves the second lower sand tank in a vertical direction; and an adjustment drive unit that moves the first lower sand tank in the vertical direction.