Inner cambered surface grinding machine for drum brake pad

The utility model discloses a drum type brake pad inner cambered surface grinding machine which comprises a machine tool, a conveying mechanism fixedly arranged at the top of the machine tool, a feeding mechanism and an inner cambered surface grinding mechanism, wherein the feeding mechanism and the inner cambered surface grinding mechanism are fixedly arranged at the two ends of the machine tool respectively. The conveying mechanism comprises two guide rails, two pressing plates in one-to-one correspondence with the guide rails and two lifting adjusting assemblies in one-to-one correspondence with the pressing plates, and the guide rails are fixedly arranged on the two sides of the top of the machine tool correspondingly; the pressing plates are movably arranged above the corresponding guide rails, and conveying channels for conveying brake pads are formed between the pressing plates and the guide rails; the lifting adjusting assembly is used for adjusting the height of the pressing plate, so that the height