Knife rest positioning mechanism for hydraulic gate type plate shearing machine

The utility model relates to the technical field of knife rest positioning. Especially comprising a mounting plate, the top end of the mounting plate is fixedly connected with a bracket; the inner side of the bracket is fixedly connected with a hydraulic rod; the inner side of the hydraulic rod is fixedly connected with a knife rest; the inner side of the knife rest is slidably connected with a worm wheel; the rear end surface of the worm wheel is engaged with a worm; the right side of the worm is fixedly connected with an extension rod; the right side of the extension rod is fixedly connectedwith a handle; the top end of the worm wheel is fixedly connected with a connecting block; the top end of the connecting block is fixedly connected with a gear; the rear end surface of the gear is engaged with a rack; according to the knife rest positioning mechanism for the hydraulic gate type plate shearing machine, the arranged worm wheel, worm, gear and rack drive the knife to move left and right for adjustment, oper