Product reamer

The utility model provides a product reamer, including support frame, toolbox, chamber door, horizontal separators, the adjustable underframe structure, the hog frame, the installing frame, the fixedplate, the cylinder, the three -way switch, the telescopic link, left side U shaped frame, the connecting plate, reaming station frame structure, right side U shaped frame and workstation, support frame welding in the lower part four corners of workstation department. The utility model discloses the internal diameter is adjusted the screw hole and is seted up the anterior intermediate position atthe slim slide block from left to right in proper order, is favorable to the basis the reaming demand is adjusted adjusting bolt and is run through regulating plate threaded connection adjusted threaded hole at the internal diameter position to conveniently adjust the interval between expansion round pin and the expansion round pin, adjust the underreamed size of required article so that can realize, driving plate one end