Patent ID: 8935947
Filing Date: 2015-01-20
Classification: B21D

Abstract:
1. An apparatus for manufacturing necking cans, which processes the entrance of each can for which a drawing process is completed, the apparatus comprising: a lower press plate; an upper press plate provided to move linearly up and down with respect to the lower press plate; a molding unit including a guide formed on the lower press plate, a plurality of holders provided on the guide to be transferred, and a plurality of molds provided on the upper press plate; a transfer means for transferring the holders along the guide; a drive means for driving the upper press plate; and a holder supporting means for supporting the holders, wherein the holder supporting means comprises a support plate connected to the lower press plate by a horizontal support and moved horizontally toward the holders, a holder driven body provided on the support plate and including a bearing, and a holder transfer cam fixed on the upper press plate and including a taper groove, through which the bearing is inserted, and a straight groove.