Patent ID: 8959976
Filing Date: 2015-02-24
Classification: B21D,F24F

Abstract:
1. An apparatus for manufacturing a metal plate having mesh-type shape beads for a duct, the apparatus comprising: a frame constituted by connecting metal pieces in a form of a box; roll stands vertically installed on a top surface of the frame while being spaced apart from each other by a predetermined interval; upper and lower bead processing rolls provided at both ends thereof with shafts coupled to the roll stands and formed on outer surfaces thereof with embossments and intaglios having shapes corresponding to shapes of the mesh shape beads; a feeding part including a plurality of idle rollers to stably feed metal plates from a rear of the upper and lower bead processing rolls; first and second gears coupled to the shafts of the upper and lower bead processing rolls; a pulley coupled to the second gear; a driving unit including a driving motor connected to the pulley through a chain; and an auxiliary roller device circumscribed to upper and lower portions of the upper and lower bead processing rolls to prevent the upper and lower bead processing rolls from being sagged.