Patent ID: 8651852
Filing Date: 2014-02-18
Classification: B29C,B29L,F16C

Abstract:
1. A ball joint manufacturing apparatus comprising: an upper mold having a cavity configured to injection-mold a ball seat formed of a synthetic resin material to surround the outside of a spherical head part of a ball stud; a lower mold coupled to a lower part of the upper mold and having a molding surface for molding the ball seat, wherein the lower mold has an inclined slide groove; a fixing jig configured to fix the ball stud to a molding position of the upper mold and the lower mold; a rotary member configured to rotate the fixing jig; a cylinder coupled to a connecting member and having a slide part which is inserted into the slide groove of the lower mold and projecting in an inclined direction, wherein said apparatus configured such that when the cylinder is actuated, the connecting member is moved in a horizontal direction causing the slide part to force the lower mold to move in an inclined downward direction, which causes the lower mold to be spaced from the ball stud a predetermined distance.