Feeding device for machining

The utility model relates to the technical field of machining, in particular to a feeding device for machining, which comprises a base, a supporting vertical plate is fixedly mounted at the top of the base, a bearing mechanism is mounted on the front surface of the supporting vertical plate, a rolled plate sample is arranged on the bearing mechanism, and an arc-shaped frame is fixedly mounted on the left side of the top of the supporting vertical plate. A plurality of guide rollers are rotationally mounted on the inner wall of the arc-shaped frame, and a leveling assembly is fixedly mounted on the right side of the top of the supporting vertical plate. According to the device, the defects in the prior art are overcome, the movable disc can be pushed to stretch along the rotating shaft through the electric push rod, the movable disc can push the connecting arm to drive the supporting arm to stretch in the process of moving along the rotating shaft, and therefore the stretching radius of the attaching plate can