Loose lamination die with rotating blanking station

Details Loose lamination die with rotating blanking station Loose lamination die with rotating blanking station

B - Operations, Transporting

30

B

B30B 15/02 (2006.01) B21D 28/22 (2006.01) H02K 15/02 (2006.01)

Patent

CA 2325307

In a method and apparatus for rotating loose laminations in a die, a strip is fed to a rotatable blanking chamber of a blanking station. A punch punches a lamination free from the strip. The rotatable blanking chamber is biased in an upwardly direction. When the punch is not engaging, the rotatable chamber is in an upward position wherein a gap develops between laminations retained at a bottom of the rotatable chamber, and those laminations lying directly below the rotatable chamber. The rotatable chamber can then be rotated without damage to the laminations at the gap because of the gap. Thereafter, a succeeding lamination can be punched after the rotation has occurred. As the punch engages the strip, the rotatable chamber is pushed downwardly so that the gap at the bottom of the rotatable chamber disappears.

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