DOUBLE-HIT AUTOMATIC ROTOR-TYPE MACHINE FOR PRODUCTION OF SPECIAL NAILS Russian patent published in 1997 - IPC

FIELD: plastic working of metals. SUBSTANCE: automatic machine has feeding rollers, bending device, sharpening and cutting device, billet feeding units, rotor, dies positioned circumferentially of rotor and stamping punches. Dies have openings for receiving and fastening of billets. Knurled rolls are mounted on automatic machine. Cam with rotary heads, coarse and final punches for producing two hits are mounted within rotor. Feeding unit has prism, comb and slides with pushers. Slides retain billets on clamping station of rotor. EFFECT: wider operational capabilities, increased efficiency and enhanced reliability in operation. 3 cl, 5 dwg