Patent ID: 9073110
Filing Date: 2015-07-07
Classification: B21D,B23P

Abstract:
1. A fin processing apparatus comprising: an upper pressing die and a lower pressing die placed apart from each other and capable of coming close to and away from each other; a corrugating mechanism disposed between the upper pressing die and the lower pressing die, the corrugating mechanism being configured to continuously form a corrugated member in a corrugation step from a flat plate which is a workpiece material, the corrugated member having a first plurality of crest and trough portions in a predetermined number; and a restriking mechanism disposed between the upper pressing die and the lower pressing die, the restriking mechanism being configured to simultaneously restrike-form a second plurality of crest and trough portions of a rectangle member in a restrike step from the corrugated member, wherein the corrugating mechanism and the restriking mechanism are provided integrally, the corrugating mechanism includes a pair of forming gears carrying out corrugation with the flat plate placed between the forming gears, and a vibration absorber formed of an elastic member is provided below a support frame which accommodates the pair of forming gears.