Machine tool loading apparatus

摘要

A machine tool loading apparatus is adapted to register the sheets being loaded directly in the workclamps of the machine tool. A four bar linkage is utilized to control the position of the sheet as the loader removes it from the supply stack and brings it into the workclamps. The four bar linkage is provided with a controlled amount of compliance which is released as the sheet is brought into the workclamps. The sheet is thus allowed a limited ability to be repositioned as the loading mechanism guides it into the workclamps, so that a registered position is achieved before the workclamps are closed. The preferred loader apparatus can be used to unload large parts from the machine tool. The loader apparatus may be adapted to the machine tool in conjunction with a material storage tower.