Optical lens piece die -casting device

The utility model discloses an optical lens piece die -casting device, it includes press, die casting die and multistation auto -change over device, and die casting die comprises last mould and a plurality of lower mould, goes up the mould and connects in the ram lower extreme, and the lower mould is installed respectively on each station of multistation auto -change over device. Multistation auto -change over device includes base and mould bracket, and the mould bracket passes through the center pin to be connected with the base rotating, sets up die -casting station, cooling station and stripper station that a plurality of can switch on it, and die -casting station, cooling station and stripper station are connected through the pivot respectively the lower mould, the center pin passes through transmission parts connection servo motor. The device carries out the die -casting of optical lens piece, and hot briquetting's lens in time changes tripping foundry work position and changes to cooling station and car