A blanking stretch punching die
A blanking die and punch punch technology, which is applied to forming tools, manufacturing tools, feeding devices, etc., can solve the problems affecting the service life of the fan wind ring of the hemming process, uneven force on the punching edge, punching cracking, etc. problem, to achieve the effect of short punching time, less cracks, and reducing the occurrence of punching cracks
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[0054] The present invention will be further described in detail below with reference to the examples and figures, but the embodiments of the present invention are not limited thereto.
[0055] A blanking stretch punching die, combined with figure 1 and figure 2 As shown, it mainly includes an upper template 1, a lower template 2 and a stretch punching assembly 3.
[0056] Wherein, the stretch punching assembly 3 includes: a stretching die set 4, a pressing die set 8, a punching die set, and a driving part.
[0057] The driving member includes a driving device and a transmission module 15 arranged between the driving device and the upper template 1 . The driving device drives the transmission module 15 to push the upper template 1 to move up and down.
[0058] The stretching die set 4 includes a stretching punch 5 fixedly connected to the upper end surface of the lower template 2 and a stretching die 6 fixedly connected to the upper template 1 . The stretching punch 5 is ...
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