Reinforcement cutting shear convenient to use

The utility model relates to a mechanical equipment technical field, and disclose a reinforcement cutting shear convenient to use, including the base, two symmetrical support frames of top fixedly connected with of base, two support frames correspond a face fixedly connected with slide bar, two support frames correspond a face swing joint spiral shell rasp bar, and spiral shell rasp bar lies in the below of slide bar, the cavity has been offered to spiral shell rasp bar's bottom, two symmetrical spouts are offered to the medial surface of cavity. This reinforcement cutting shear convenient touse can through the sleeve pipe that sets up, under the effect of bearing, rotate the regulating block with the slide adjusting of connecting block about going on, makes the screw on the spiral shellrasp bar coordinate with the intraductal screw of cover, and removal about effectual messenger's sleeve pipe goes on can move down the cutting wheel to work piece cutting, can make the cutting wheel when the contact work piece