Mold opening mechanism

The utility model is applicable to the technical field of mold processing, and provides a mold opening mechanism which comprises a panel, a shovel base plate, a fixed mold plate and a movable mold plate which are sequentially stacked along a first direction, and the panel, the shovel base plate, the fixed mold plate and the movable mold plate all have degrees of freedom of moving along the first direction in a mold opening state; the mold opening mechanism further comprises a first buckling machine assembly. The first buckling machine assembly comprises a first buckling machine rod fixedly installed on the panel, a first elastic locking piece fixedly installed on the shovel base plate, a second elastic locking piece fixedly installed on the fixed mold plate and a first buckling machine base fixedly installed on the movable mold plate. The first buckling machine base is provided with an inserting part used for being matched with the first buckling machine rod in an inserting mode, a first clamping part and a s