Fragile container handling system for retort/sterilization processes

Abstract

A system for loading retorts, sterilization systems, and the like. The preferred embodiment of the present system provides both loading and unloading modules, the loading module designed to automatically load fragile containers, in mass and layer by layer into a self-supporting cube array of stacked trays nested in a basket frame. The unloader module automatically unloads the cube array layer by layer after the contents of the cube array are processed in mass. The stack of trays, or batch cube remain as an intact, stacked unit throughout the entire retort process. A hydraulic ram which is associated with each the loader and unloader, lifting the batch cube from the basket frame and indexing the batch cube vertically during the loading/unloading process, respectfully. Each layer in the stack is either loaded or unloaded as that layer is positioned in the home position. Both the loader and unloader includes home position locating devices or tray supports that accurately position the batch cube so that product can be transferred onto or off of the conveyor. In the loader module, a multi-position container break is used to collate each layer prior to transfer into the batch cube system. There are a total of three break locations. A clearing assembly is provided to assure that no containers are left on the dead plate. Also taught is a tip indicator which detects when a container has been knocked over or otherwise improperly oriented during the loading process.