A LOWER KNOCKOUT PIN OF A HOT STAMPING PRESS Russian patent published in 2004 - IPC

FIELD: metal- working industry; press-forging equipment. SUBSTANCE: the invention is dealt with a field of a forge-pressure equipment, in particular it presents an auxiliary device providing removal of forged pieces from a stamp of a crank hot stamping press. The lower knockout pin of the hot stamping press contains a placed in the press table knockout pin, an arm, forged pieces knockout cylinder, a lifting cylinder and a compressed air feeding system controlled by electric valves. The lifting cylinder and the forging pieces knockout pin cylinder are placed separately. The lifting cylinder rod is coupled with the arm through a link-hinged mechanism. One end of the arm rests on a fixed anvil, to which it is not rigidly tied. EFFECT: simplification of the design and increase of reliability of action. 1 dwg