Multi-layer pneumatic linear cutting device for building blocks

The utility model discloses a building block multilayer pneumatic wire cutting device which comprises a base, linear guide rails are fixedly arranged on the two sides of the top end of the base, sliding seats are connected to the surfaces of the two linear guide rails in a sliding mode, and the top ends of the two sliding seats are fixedly connected through a supporting frame. One side of the top end of the base is fixedly connected with a forward and reverse rotation motor through a connecting frame, a transmission shaft of the forward and reverse rotation motor is fixedly provided with a connecting lead screw, and a fixing plate is fixedly arranged in the middle of the bottom end of the supporting frame. The cutting device has the advantages that the piston rod of the arranged adjusting air cylinder extends to drive the cutting line to be tightened, the positive and negative rotation motor drives the connecting lead screw to rotate, and the cutting line is driven to move to cut a green body under the slidin