Material processing device and method for adjusting a conveyor device of a material processing device

The invention relates to a material processing device (1), in particular a mobile material processing device (1), having a conveyor device (10), in particular a conveyor belt, for conveying processed material and/or material to be processed in a direction of conveyance (FR) between a pick-up area (13) and a discharge area (16) of the conveyor device (10), wherein the conveyor device (10) has a first and a second conveying area (11, 12), wherein the first conveying area (11) is coupled to the material processing device (1) in the area of a first connection (15) such that it can swivel about a first joint having a first swivel axis (15.1), wherein the first conveying area (11) and the second conveying area (12) are interconnected by means of a second joint having a second swivel axis (25), wherein the second conveying area (12) is connected to a tension means (30) by means of a third joint in the area of a second connection (17), and wherein the first, the second and the third joint form parts of a joint mechanism. The invention also relates to a method for adjusting a conveyor device (10) of a material processing device (1).