Wire rod-forming machine

Details Wire rod-forming machine Wire rod-forming machine

2006-05-16

2006-05-16

Banks, Derris H. (Department: 3725)

Metal deforming

By deflecting successively-presented portions of work during...

With cutting of work or product

C072S132000, C072S134000, C140S088000

Reexamination Certificate

active

07043951

ABSTRACT:
To provide a wire rod forming machine for which it is possible to increase the production speed above that of the prior art. In the ring-forming machine10of the present configuration, between the respective edges42and51of the moving die40and the fixed punch50, a prescribed location of the belt-shaped wire rod90is sheared and the ring91is cut off from the belt-shaped wire rod90. Then, by pushing the ring91that was cut off with the moving die40, the ring is forcibly removed from the forming tools31, 32and33. Therefore, the speed of removal of the ring91can be coupled to the acceleration of the manufacturing speed and increased, allowing the production speed to be improved compared to that of the prior art. In addition, since the ring91that is cut off from the belt-shaped wire rod90, pushed by the moving die40, moves to the end side of the shaft shaped chute34to be collected, transport to the next process becomes easy.

REFERENCES:
patent: 4090383 (1978-05-01), Properzi
patent: 4173235 (1979-11-01), Tipper
patent: 4335758 (1982-06-01), Williams
patent: 4823576 (1989-04-01), Yoshioka
patent: 6565031 (2003-05-01), Haak
patent: 6568056 (2003-05-01), Sclippa
patent: 6748781 (2004-06-01), Felgen

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