Metal working – Means to assemble or disassemble – Overedge assembling means
Patent
1986-01-22
1987-09-29
Watson, Robert C.
Metal working
Means to assemble or disassemble
Overedge assembling means
B23P 1100
Patent
active
046960864
ABSTRACT:
A die set for assembling badges and buttons includes a punch and two dies. The badge shell and artwork are loaded onto the first die. The punch descends during a loading stroke to load the shell and artwork therein by friction. The second die is positioned under the punch, and the punch descends during an assembly stroke. The punch includes a block attached to the assembly machine ram and a spring loaded punch ring. The second die has a base a spring loaded crimp ring. The punch ring abuts the crimp ring during the assembly stroke. The punch block descends further, but the punch ring remains stationary against the crimp ring springs. The shell and artwork are thus partially pushed out of the punch and into the second die. Continued downward punch block motion overcomes the crimp ring springs and causes both the punch ring and crimp ring to move downwardly together, thereby pushing the shell and artwork over the badge back. The invention includes a manually operated press having a variable mechanical advantage with the maximum mechanical advantage occurring at the conclusion of the assembly stroke. The invention further includes a pneumatic circuit for automatically ejecting the assembled badges from the second die at the completion of the assembly stroke.
REFERENCES:
patent: 3571891 (1971-03-01), Roberts
patent: 3600783 (1971-08-01), Krinsky
patent: 3795036 (1974-03-01), Roebuck
patent: 4077284 (1978-03-01), Twichell
patent: 4346507 (1982-08-01), Heuck
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