Flange expanding die
A bulging and flange technology, applied in the direction of forming tools, metal processing equipment, manufacturing tools, etc., can solve the problems of reducing production efficiency, increasing labor intensity, and difficult operation, so as to reduce labor intensity, improve production efficiency, and structural assembly simple effect
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[0011] Such as figure 1 with figure 2 As shown, the flange expansion mold includes an upper template 1, an expansion die 3, a flanging die 4, a guide post 5, a lower template 6, a fixing plate 7 and an expansion punch 8, and the guide post 5 is installed on the upper Between the template 1 and the lower template 6, the fixed plate 7 and the expansion punch 8 are installed on the lower template 6, the expansion punch 8 is installed between the fixed plates 7, and the flanging dies 4 are respectively installed on the fixed plate 7, The expansion die 3 is installed on the lower end of the upper template 1, the guide sleeve 2 is installed on the guide post 5, and the blank holder 9 is arranged between the expansion die 3 and the fixed plate 7. The flange expansion die of the present invention is structurally assembled Simple, accurate, long service life, convenient operation and accurate positioning during use, thus reducing labor intensity and improving production efficiency.
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