Pick and place mechanism of barrel cams 1

Input: orange crank rotating continuously. The vacuum tool at the blue bar end picks and places workpieces. Yellow gear and green rack make yellow barrel cam turn forth and back. Thus motion makes blue barrel cam, to which the blue bar is fixed, have pick and place motion thanks to the interaction between the square end of pink screw and U-shaped groove of the blue cam. STEP files of this video: Inventor files: