Extruding-punching forging die for hub unit
A wheel hub unit and punching technology, which is applied in the direction of manufacturing tools, wheels, forging/pressing/hammer devices, etc., can solve the problems of long processing hours, high production costs, and low utilization rate of forging materials, so as to reduce the use of molds, Scientific structure and the effect of improving production efficiency
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[0025] The following describes the present invention in further detail with reference to the drawings and specific embodiments, without limiting the scope of implementation of the present invention to this.
[0026] Such as figure 1 , Figure 4 , Figure 5 As shown, the hub unit extrusion and punching forging die of this embodiment includes an upper die and a lower die. The upper die includes an upper die base 1, a punch base 2, a punch 3, and the punch base 2 is fixed to the upper die. Seat 1, the upper end of the punch 3 is screwed into the punch seat 2. The lower mold includes a punch 4 and a discharge plate 5 (the lower mold may also include a lower mold seat. In this embodiment, the punch 4 and The lower mold base is integrated), the male mold 4 is provided with a mold cavity 41 for accommodating the cylindrical end of the hub unit, the bottom of the mold cavity 41 is provided with a downwardly penetrating material withdrawal hole 42, the mold cavity 41 The diameter of the ...
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