Hi,
that is not a problem you don't have robotic knowledge . There is a big evolution in robotic world to permit anyone to use a robot.
This may imply avoiding complex robots and have a look at robots solution like universal robots, where programming is very easy (you can teach using it on their website) . But that really depends on your needs.
From my opinion, RoboDk is the tool you need for your application, you can first evaluate your project with it and then buy required hardware.
Steph