Metal working – Plural diverse manufacturing apparatus including means for... – Separate tool stations for selective or successive operation...
Patent
1994-11-30
1997-06-10
Briggs, William R.
Metal working
Plural diverse manufacturing apparatus including means for...
Separate tool stations for selective or successive operation...
29740, 29827, B23P 2300, H01L 2158
Patent
active
056364300
ABSTRACT:
An improved lead working machine has a mechanism portion that supplies a leadframe 100, a working and handling portion that performs the necessary working processes on the work as it is fed consecutively, and a receiving mechanism portion that receives the worked products. A plurality of dies 40 and 42 for performing working processes including resin removal, dam bar cutting and lead forming, etc. are provided in tandem in the working and handling portion such that the direction of the working line of the first die 40 aligns with that of the subsequent die 42. A rail mechanism for guiding the lateral edge portions of the leadframe to be transported from the first die 40 to the subsequent die 42, as well as a pickup mechanism, by which a piece part that has been obtained by separating the product portion of the leadframe 100 in the first die 40 is picked up and transported to the subsequent die 42, are provided in positions intermediate between the dies 40 and 42.
REFERENCES:
patent: 4624358 (1986-11-01), Satou
patent: 4683644 (1987-08-01), Tange et al.
patent: 5070916 (1991-12-01), Biesecker
patent: 5134034 (1992-07-01), Miyamoto
patent: 5307555 (1994-05-01), Eder et al.
patent: 5361486 (1994-11-01), Harmsen et al.
Ando Shin
Harayama Minoru
Todoroki Yoshinao
Uchiyama Shigeyuki
APIC Yamada Corporation
Briggs William R.
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