Feeding frame of cutting machine

The feeding frame of the cutting machine comprises a supporting frame, a conveying mechanism, a limiting mechanism and a positioning ruler, the conveying mechanism, the limiting mechanism and the positioning ruler are arranged on the supporting frame, the conveying mechanism comprises a plurality of evenly-arranged conveying rollers, the conveying rollers are rotatably arranged on the supporting frame, and the limiting mechanism comprises a sliding rail, a sliding block and a limiting device. The two sliding rails are arranged on the left side and the right side of the top of the supporting frame correspondingly. The sliding block is arranged on the sliding rail in a sliding mode, the limiting device is fixedly arranged at the top of the sliding block, the positioning ruler is arranged onone side of the top of the supporting frame, and the positioning ruler is arranged on the outer side of the sliding rail. The feeding frame of the cutting machine is arranged at the feeding end of thecutting machine and provi