Punch and die set having improved slug management system

Details Punch and die set having improved slug management system Punch and die set having improved slug management system

1989-10-20

1990-12-04

Yost, Frank T.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83149, 83 93, B26D 520, B26D 718

Patent

active

049744798

ABSTRACT:
System for controlling slugs (10, 10') in a stamping and forming machine has a slug stripper (32) for stripping slugs from the end (13) of the punch (11) and slug supporting bars (78, 80) which support slugs at their edges as they move through a passageway (82). The slug stripper (32) is mounted in the facial surface (18) of the die plate (14) and has an end portion (56) which extends partially over the die opening (44). When the punch (11) descends and punches a notch (8) in the strip material (2), the slug (10, 10') which is produced moves the stripper (32) to a retracted position. When the slug (10, 10') is moved past the end of the slug stripper (32), the slug stripper returns to its normal position so that on the return stroke of the punch the slug will be removed by the end portion (58) of the stripper. The slugs are maintained in a stack in the slug passageway (82) by opposed supporting bars (78, 80) which are resiliently biased against opposite edges of the slugs.

REFERENCES:
patent: 382911 (1888-05-01), Shipley
patent: 3195386 (1965-07-01), Daniels
patent: 3938413 (1976-02-01), Goettel et al.
patent: 4327571 (1982-05-01), Cavanaugh
patent: 4821615 (1989-04-01), Bakermans et al.

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