Patent ID: 8302521
Filing Date: 2012-11-06
Classification: B21D,Y10T

Abstract:
1. A punch module comprising: a fixing plate defining an assembly space in a first side of the fixing plate, and a bottom wall of the assembly space defining a first through hole through a center of the bottom wall and a second side of the fixing plate opposite to the first side; a clamping member detachably fixed to the fixing plate and received in the assembly space of the fixing plate, and the clamping member comprising a first side facing the bottom wall of the assembly space and a second side opposite to the first side, the first side of the clamping member defining a first receiving space, a bottom wall of the first receiving space defining a second through hole through a center of the bottom wall of the first receiving space and the second side of the clamping member; an engaging member received in the first receiving space of the clamping member, with a first side of the engaging member facing the bottom wall of the assembly space and a second side of the engaging member facing the bottom wall of the clamping member, the second side of the engaging member defining a second receiving space, and a bottom wall of the second receiving space defining a third through hole through a center of the bottom wall of the second receiving space and the first side of the engaging member; a plurality of latching members movably received in the first receiving space of the clamping member and the second receiving space of the engaging member; and a punch comprising an end extending through the second through hole of the clamping member, the third through hole of the engaging member, and the first through hole of the fixing plate, and defining a latching slot engaged with the plurality of latching members.