Ore conveying device with buffering function

The ore conveying device with the buffering function comprises a first conveying mechanism, a second conveying mechanism and a buffering mechanism, the buffering mechanism comprises a feeding port and a discharging port, the feeding port is connected to the tail end of the first conveying mechanism in a bearing mode, and the discharging port is connected to the inlet end of the second conveying mechanism in a bearing mode; the buffering mechanism comprises a buffering block, a base and a piston rod, a containing cavity is formed in the bottom of the buffering block, a piston cavity is formed in the base, one end of the piston rod is contained and fixed in the containing cavity, a piston is arranged at the other end of the piston rod and extends into the piston cavity to form a closed space with the piston cavity, and the closed space is filled with inert gas. A moving gap is formed between the buffer block and the base. Inert gas is adopted as a buffer medium, fatigue damage caused by buffering of an existing