Mold closing device of vertical injection machine

The utility model discloses a mold closing device of a vertical injection machine, which comprises a seat frame and a fixing plate on the seat frame; a die is arranged on the fixing plate, and is guaranteed to not swing during injection molding under the fixation of the fixing plate; a plurality of guide pillars are arranged at the periphery of the die; a cross, a crank axle, a guide plate, and a hydraulic cylinder below the guide plate are arranged below the fixing plate; an upper movable plate and a lower movable plate capable of moving up and down on the guide pillars are respectively arranged above the die and below the guide plate; the cross and the crank axle, and the upper movable plate and the lower movable plate are connected by a gear device or a chain cable device to realize interlocking; and the cross and the crank axle are pushed by the hydraulic cylinder to draw the upper movable plate and the lower movable plate to implement mold closing motions on the die. The mold closing device of the vertic