Punching head
A punch and necking technology, which is applied in the field of pipe end forming and processing molds, can solve the problems of flanging, low production efficiency, complicated procedures, etc., and achieve the effects of ensuring the inner diameter size, improving production efficiency, and simple production procedures.
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[0019] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.
[0020] figure 1 A schematic cross-sectional view of an embodiment of the punch according to the present invention is shown. Such as figure 1 As shown, it can be seen from the figure that the punch of this embodiment includes: a flaring core 10 and a necking jacket 30. The first end of the flaring core 10 is the flaring end 11, and the second end of the flaring core 10 is the connecting end; the flaring core 10 is installed in the inner hole of the necking jacket 30, and the first end of the necking jacket 30 is One end is a necked end 31, and there is a gap between the necked end 31 and the flared end 11.
[0021] The punch of this embodiment is especially used for the deburring process of...
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