Complete cutting type belt coil pipe stepped mould for hinger
A technology of progressive die and sheet, which is applied in the direction of feeding device, forming tool, positioning device, etc., can solve the problem that progressive die cannot be formed at one time, and achieves the goal of ensuring material utilization rate, improving production efficiency and reducing cost. Effect
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[0021] The hinged sheet nesting type progressive die with rolled tube provided in this embodiment includes the following main components:
[0022] 1. Cutting the progressive die part, such as figure 1 , figure 2 As shown, it consists of an upper mold and a lower mold. The upper mold includes an upper template 9, and the lower part of the upper template 9 is connected with the upper backing plate 8, the fixing plate 7 and the discharge plate 6 with screws in turn. The front part of the upper mold is provided with a A set of stirrup hole punches 10, a set of guide nails 11; a three-claw pre-punch 12 for a three-claw sheet, a three-claw punch 13, and a two-claw trimming punch for a two-claw sheet are arranged in sequence at the rear of the upper die 14 and two claw punches 15. The lower mold includes a lower template 2 and a connected mold base 1. The lower template 2 is connected with the lower backing plates 3, 4 and the concave template 5 in sequence, corresponding to each ...
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