Pneumatic fast cutting machine for PVC pipe

The utility model discloses a pneumatic fast cutting machine for a PVC pipe, and relates to the field of plastic pipe cutting machines. The pneumatic fast cutting machine comprises a rack, an air cylinder, a cutting blade and pressing plates, the air cylinder is vertically arranged at the top of the rack, a connecting plate is arranged below the air cylinder, the air cylinder is connected with the connecting plate through a guide rod, and the connecting plate is connected with the cutting blade through a supporting rod. The pressing plates are fixedly arranged on a rack table board under the cutting blade, a clearance allowing the cutting blade to pass is formed between the two pressing plates, and channels allowing the PVC pipe to penetrate are formed in the bottoms of the pressing plates. The pneumatic fast cutting machine has the advantages of being simple in structure, reasonable in design, convenient to operate and high in cutting speed, a notch of the cut PVC pipe is smooth and flat and does not need to be manually sleeked, cost is saved, and product quality is improved.