Robotic Conveyor Pick-and-Place Design

I need a complete design concept for a pair of robotic arms that ride on a belt-conveyor carriage and repeatedly pick up and place boxes or other packaged products. The system should track each package... (Budget: $30 - $250 USD, Jobs: 3D CAD, Automation, Manufacturing Design, Mechanical Engineering, Product Design, Robotic Process Automation, Robotics, Solidworks)