Using the mold opening force of the injection molding machine, the moving direction is changed through the transmission mechanism, and the lateral movable core is pulled out.

Advantages and disadvantages:

Complex structure, large tension, flexibility and convenience, high production efficiency, easy to realize full-automatic operation, and no need to add additional equipment. Structural forms include: inclined pin, spring, bent pin, inclined guide groove, inclined slider, wedge, rack and gear, etc.