Patent attributes
A fixed-side connecting portion 151 is provided on an end of the fixed bar 141 while a movable-side connecting portion 152 is provided on an end of the movable bar 142. An air clamp 16 is housed within the fixed bar 141. By pneumatically driving the air clamp 16 while the movable-side connecting portion 152 is superimposed on an upper side of the fixed-side connecting portion 151, a clamp member 165 protrudes from a case 161 to be downwardly rotated and holds the movable-side connecting portion 152 against the fixed-side connecting portion 151. Since the clamp member 165 is pneumatically driven, a die replacement time can be shortened. In addition, since the air clamp 16 is housed within the fixed bar 141, the size of a transfer feeder 41 can be reduced.
