Patent ID: 8079844
Filing Date: 2011-12-20
Classification: B29C

Abstract:
1. A molding machine comprising: a base unit; left and right molds disposed on said base unit; left and right holding arms mounted on said base unit in a spaced-apart relationship and connected respectively to said left and right molds; wherein said left and right holding arms are operable to move said left and right molds between a mold closing state, where said left and right molds move couple with each other, and a mold opened state, where said left and right molds are far away from each other; a power supply mounted to said base unit; a threaded shaft rotated by said power supply; an adjusting seat mounted on said base unit, connected drivenly to said threaded shaft to move in a left-right direction relative to said threaded shaft, and having a pivot part; a pivot plate having a first end portion that is connected pivotally to said pivot part of said adjusting seat, and a second end portion that is opposite to said first end portion; a swing arm having a first pivot portion that is connected pivotally to said second end portion of said pivot plate, and a second pivot portion that is opposite to said first pivot portion; a left linkage unit having opposite end parts that are connected pivotally and respectively to said first pivot portion of said swing arm and said left holding arm; and a right linkage unit having opposite end parts that are connected pivotally and respectively to said second pivot portion of said swing arm and said right holding arm; wherein said swing arm is swingable through the movement of said adjusting seat so as to swing said left and right holding arms by virtue of said left and right linkage units.