The invention discloses a feeding mechanism of an automatic cold header for
machining piston pins. The feeding mechanism comprises a main
machine (1), a feeding mechanism body (20) is arranged on the front portion of the main
machine (1), the feeding mechanism is connected with an iron
wire frame (2) through an iron wire, and a discharging mechanism (3) is arranged on one side of the main
machine (1). The feeding mechanism body comprises a base (4), fixed wheels (5) are arranged on one side of the base (4), and moving wheels (6) are arranged on the other side of the base (4). Side bases (7) are arranged on two sides of the base (4), sliding bases (8) are arranged on the inner sides of the side bases (7), and the contact surfaces of the sliding bases (8) and the side bases (7) are in sliding fit. The moving wheels (6) are arranged on the upper sides of the sliding bases (8), a threaded
barrel (9) is fixed below the sliding bases (8), a threaded column (10) is arranged in the threaded
barrel (9), a bearing pedestal (11) is arranged at one end of the threaded column (10), a rotating ring (12) is fixed to the other end of the threaded column (10), the rotating ring (12) is provided with a circle of small holes (13), and a rotating
handle (14) is arranged in one
small hole (13) in an embedded mode.