Forge roller gear cold extrusion shaping device

The utility model discloses a forge roller gear cold extrusion shaping device, including the lower bolster, ball bush direction subassembly, the locating piece, the supporting seat, the backing plate, the blanking hole, plastic tooth mould, locking screw, the briquetting, upper connecting plate, the extrusion gear mould, this forge roller gear cold extrusion shaping device, at first install the device and fix on the hydraulic press through lower bolster and upper connecting plate, the gear of postcooling will be forged and plastic tooth mould will be put into, an oil hydraulic press is started, the hydraulic press promotes upper connecting plate and the extrusion gear mould down moves, at first clearance hole cover in extrusion gear mould bottom is on the boss of gear, thereby reach the counter gear location, and each other laminates the profile of tooth of extrusion gear mould and gear teeth outward appearance, it down moves to promote the gear by the extrusion gear mould again, consequently thereby make the