Patent ID: 7549856

Claim:
A side core-pulling mechanism of mold, comprising: a slide block having a base part, the base part having a level first bottom surface, an upright first front surface, a first back surface parallel to the first front surface, and an inclined right surface, a columnar pin projecting outwards from the first back surface; a slide block base, the slide block locating on the slide block base and can slide left and right on the slide block base; an impacted block having an upright second front surface, the second front surface defining a receiving cavity, a first slot and a second slot, the first slot upright extending downwards to pass through the bottom of the impacted block from the over place of the right end of the receiving cavity and communicating with the right end of the receiving cavity, the second slot extending rightwards and downwards to pass through the bottom of the impacted block from the a start end of the first slot, the first and second slots communicating with each other, the columnar pin being movable in the first and second slots; a lock block leaning against the second front surface of the impacted block and moving together with the impacted block, the lock block located at the right side of the second slot, the lock block including a base, the base having an inclined left surface, the left surface matching with the inclined right surface of the slide block for firmly locking the slide block; and a slide block return mechanism including a wobbly block received in the receiving cavity of the impacted block, the wobbly block being against the lower side wall of the receiving cavity to cut off the first slot at a nature status and can rotate upwards in the receiving cavity for making the first slot be at a through status.