Engineering machinery tensioning spring end face processing device

The utility model discloses an engineering machinery tension spring end face processing device which comprises an installation box and a cleaning mechanism, two rocking bars are symmetrically arranged on the outer walls of the two sides of the installation box, and the opposite ends of the rocking bars penetrate through the installation box and are fixedly connected with first bevel gears. A second threaded rod is fixedly connected to the other end of each first bevel gear, a second threaded sleeve is connected to each second threaded rod in a meshed mode, a second connecting rod is fixedly connected to the outer side wall of each second threaded sleeve, and a plug pin is fixedly connected to the center of each second connecting rod; and a mounting cylinder is fixedly connected into the mounting box, and a mounting block is slidably connected into the mounting cylinder. According to the tensioning spring device, through the matching device of the second threaded rod, the rocker and the plug pin, the tensionin