Abstract: Cleaning, washing and drying device for weighing machines, in particular combination weighing machines, and weighing machine product feeding means and packaging machines.The invention relates to a weighing machine which is monitored and controlled by a process control and with which a product feeding means to and/or a packaging machine can be arranged.In the cleaning of such weighing machines, in particular combination weighing machines which comprise of a number of individual weighing machines arranged about a mostly circular hopper, the weighing machine must be extensively dismantled and then cleaned by hand, which is very time-consuming and work intensive. In the new weighing machine device the cleaning of the same is to be carried out with thoroughness and as little time consumption and work intensity as possible.