Patent ID: 8740601
Filing Date: 2014-06-03
Classification: B29C

Abstract:
1. A 3-plate mold assembly with a common mold base comprising: a stationary mold mounted on a fixed side of an injection molding machine and comprising a stationary-side fixed plate on which being disposed four pillars to be inserted through a stripper and into a female insert assembly; a movable-side fixed plate mounted on a movable side of the injection molding machine and comprising a movable-side fixed plate, two space plates, a plurality of clamping blocks and a male insert; the movable-side fixed plate being mounted on a movable side of the injection molding machine; the space plates being oppositely disposed on the movable-side fixed plate and each being formed with two holes for insertion of the pillars of the stationary-side fixed plate; the clamping blocks being L-shaped and each including an assembling portion and a pressing portion, a screw being inserted through the assembling portion and screwed into the space plates, thus fixing the clamping blocks to the space plates; and the male insert being combined with the female insert assembly, in each of two opposite lateral surfaces of the male insert being formed a slide groove, the male insert being positioned between the clamping blocks fixed to the space plates, and the pressing portions of the clamping blocks being engaged in slide groove.