A mold locking assembly includes a mold set with a first mold and a second mold adjacent the first mold, a catch plate rigidly attached to the first mold, and a base plate rigidly attached to the second mold. The base plate includes a pair of posts spaced apart from each other and extending from a base portion of the base plate in a normal direction. An L-shaped latch arm pivotally attached to the pair of posts is included and the L-shaped latch arm is configured to engage the catch plate and hold the first mold adjacent to the second mold.