Die stamping and punching tool

Details Die stamping and punching tool Die stamping and punching tool

1988-03-08

1989-08-01

Larson, Lowell A.

Metal deforming

With means to effect compound motion of tool

72451, 100286, B21J 918

Patent

active

048523828

ABSTRACT:
The die stamping and punching tool has a press upper part (18) and a tool plate (16) and a press lower part (13) with a stamping or pressing table (14) and counterpressure plate (15), the lower part being carried by toggle levers (11, 11') which are moved by a cam mechanism. The controlled rollable stamping or pressing table (14) with the counterpressure plate (15) and rolling profile has a device for controlling the stamping table movement comprising toggle levers (11, 11') and cam disks (12, 12') driving the same, the cam disks (12, 12') having a shape (A,B) related to the rolling profile. The stamping table can be guided by a further cam disk (29). This controllable stamping table guide preferably comprises a table guide lever (28) pivotable about a fulcrum. One end carries a slider (27) sliding in the stamping table and the other end is driven by the cam disk (29), which also has a shape (C,C') related to the rolling profile.

REFERENCES:
patent: 320006 (1885-06-01), Shearer
patent: 1640582 (1927-08-01), Smith
patent: 3182588 (1965-05-01), Bolliger
patent: 3703823 (1972-11-01), Wilson

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